Relevant bibliographies by topics / Belt conveyor

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Belt conveyor'

Author: Grafiati
Published: 4 June 2021
Last updated: 24 January 2023

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Journal articles on the topic "Belt conveyor"

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Andrejiová, Miriam, Anna Grinčová, and Anna Pavlisková. "Mathematical Model for Determining the Lifetime of Conveyor Belts Depending on some Selected Parameters." Applied Mechanics and Materials 683 (October 2014): 147–52. http://dx.doi.org/10.4028/www.scientific.net/amm.683.147.

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In the last years, belt conveyors belong to the most frequently used means of transport in various industries. The most important component of the belt conveyor is the conveyor belt. Therefore, it is necessary to pay more attention also to optimal lifetime of conveyor belts. Conveyor belt lifetime is a very complicated issue. It is affected by plenty of factors, including above all the quality structure of the belt conveyor, optimal construction, production, and properties of the conveyor belt as such, adequate solution of conveyance route shifting, reasonable maintenance, and quality repairs of conveyor belts. The paper deals with the exploring the lifetime of conveyor belts depending from on some selected parameters obtained from the operating records of practice (thickness of paint layer, width and length of the belt, conveyor speed and quantity of transported material) with using appropriate mathematical - statistical methods.
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Grinčová, Anna, Miriam Andrejiová, and Peter Grendel. "Application the Renewal Theory to Determining the Models of the Optimal Lifetime for Conveyor Belts." Applied Mechanics and Materials 683 (October 2014): 97–101. http://dx.doi.org/10.4028/www.scientific.net/amm.683.97.

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Belt conveyance belongs to the continual transport systems characteristic with high-level conveying performances. Belt conveyors are of significant importance in the transportation of various types of materials in the industries like engineering, metallurgy and construction. The fundamental and the most expensive component of belt conveyors is the conveyor belt which is, during the operation on the belt conveyor, exposed to number of various loads that evoke the process of conveyor belt wear and damage. Lifetime of conveyor belts, which is the determining parameter for the belt conveyance economy and efficiency, is very important for the practice.Issues regarding the conveyor belt lifetime should be solved applying also the methods of operation analysis, especially the linear programming and the renewal theory that uses the theory of probability and mathematic statistics. The objective of our research was to determine the optimal lifetime (optimal performance duration) of a belt conveyor, applying the renewal theory, whereas the research was based on the cost approach of the renewal process.
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Kiriia, R. V., V. F. Monastyrskyi, A. M. Smirnov, and B. I. Mostovyi. "Determination of critical inclination angle for the conveyer with pressure belt." Geo-Technical mechanics, no. 152 (2020): 275–84. http://dx.doi.org/10.15407/geotm2020.152.275.

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Today , steeply inclined belt conveyors with pressure belt are widely used in the world for transporting bulks. According to the literature, critical angle of these conveyors inclination varies from 35º to 90º. However, there is no sufficiently justified value of critical conveyor inclination angle. In this work, critical inclination angle of conveyor with pressure belt was determined for different states of the bulk on the conveyor depending on linear load of the bulk on the conveyor belt and the bulk properties. It was assumed that tangential stresses at each point of the bulk were balanced by the bulk gravity force projected towards the direction of conveyor belt movement and did not exceed critical tangential stresses in the bulk medium. In addition, the Coulomb's law of friction was applied for the forces of the bulk friction against the conveyor carrying and pressure belts. In this article, the authors consider cases when coefficient of the bulk internal friction is greater than coefficients of the bulk friction against conveyor carrying and pressure belts, and when coefficient of the bulk internal friction is less than coefficient of the bulk friction against the conveyor carrying belt. As a result of solving the obtained systems of the equilibrium equations for each of the above cases, the dependences of critical inclination angle of conveyor with pressure belt on the linear load of the bulk and linear weight of the pressure belt, as well as on coefficients of the bulk friction against the carrying and pressure conveyor belts and coefficient of the bulk internal friction load were determined. Analysis of the obtained dependencies showed that critical inclination angle of conveyor with pressure belt decreases with increase of linear load of the transported bulk. With an increase of coefficients of bulk friction against the conveyor carrying and pressure belts and coefficient of the bulk internal friction, critical inclination angle of conveyor with pressure belt increases. Besides, with increase of ratio between the pressure belt linear load and the bulk linear load, critical inclination angle of conveyor with pressure belt increases and tends to 90° when increase of this ratio is unlimited.
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Bajda, Mirosław, and Monika Hardygóra. "Analysis of Reasons for Reduced Strength of Multiply Conveyor Belt Splices." Energies 14, no. 5 (March 9, 2021): 1512. http://dx.doi.org/10.3390/en14051512.

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Belt conveyors are used for the transportation of bulk materials in a number of different branches of industry, especially in mining and power industries or in shipping ports. The main component of a belt conveyor is its belt, which serves both as a support for the transported material along the conveyor route and as an element in the drive transmission system. Being crucial to the effective and reliable operation of the conveyor, the belt is also its most expensive and the least durable element. A conveyor belt comprises a core, covers and edges. A multiply textile belt, in which the core is constructed of synthetic fibers such as polyamide, polyester or aramid, is the oldest and still the most commonly used conveyor belt type. The plies are joined with a thin layer of rubber or another material (usually the material is the same as the material used in the covers), which provides the required delamination strength to the belt and allows the plies to move relative to each other as the belt is bent. Belts are installed on the conveyors in a closed loop in order to join belt sections, whose number and length depend on the length and type of the belt conveyor. Belts are joined with each other in a splicing procedure. The cutting of the belt core causes belt splices to be prone to concentrated stresses. The discontinued core also causes the belt to be the weakest element in a conveyor belt loop. The article presents the results of strength parameter tests that were performed on laboratory and industrial splices and indicated the reasons for the reduced strength of conveyor belt splices. Splice strength is reduced mainly due to incorrect preparation of the spliced surfaces and to different mechanical parameters of the spliced belts.
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Xu, Zhi Qiang. "Research of Particle Mechanics Application Based on Conveying Machinery." Advanced Materials Research 1021 (August 2014): 218–21. http://dx.doi.org/10.4028/www.scientific.net/amr.1021.218.

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The conveyer belt is a major component of the conveyor , whose cost accounted for half of the of the entire cost of the conveyor. The loss of the conveyor is mainly due to the use of friction and wear generated in the process, so study on the friction characteristics is very meaningful. The friction and wear of the conveyor is one of the factors affecting their life. Therefore, conducting applied research on belt conveyors and mechanical analysis becomes increasingly important. In this paper, some qualitative research on the mechanical properties is carried out, starting from the application of the conveyor belt.
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Marasova, Daniela, Michal Cehlar, Lubomir Ambrisko, Vladimir Taraba, and Nikola Staricna. "Innovations in Monitoring Conveyor Belts with Implemented RFID Technology." E3S Web of Conferences 105 (2019): 03002. http://dx.doi.org/10.1051/e3sconf/201910503002.

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Belt conveyors are used as efficient conveyance systems for the continuous transportation of materials. However, they are also used for a wide range of applications in the transport of ores and non-metallic materials. The Radio Frequency Identification (RFID) system represents a key technology in many industries due to its ability of automatic data processing. The purpose of the present article is to discuss the implementation of RFID tags into fabric conveyor belts as carriers of the information on conveyor belts (ozone-induced ageing or accelerated thermal ageing, damage to cover layers and the carcass, and ignition). During the monitoring, it is important to record conveyor belt failures and damage causes, as well as other problems arising during the use of belt conveyors. The article presents the results of the experimental research on RFID tags and the analysis of their behaviour in accelerated thermal ageing. This facilitates simulating the conditions of hot vulcanisation of conveyor belts, especially when splicing (as well as producing) them, and of ozone-induced ageing of conveyor belts. The output of the article is the verification of the possibility to implement the RFID technology in the transport of mineral materials by belt conveyance systems in real operations.
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Molnár, Vieroslav, Gabriel Fedorko, Nikoleta Husáková, Ján Král' Jr., and Mirosław Ferdynus. "Energy calculation model of an outgoing conveyor with application of a transfer chute with the damping plate." Mechanical Sciences 7, no. 2 (August 17, 2016): 167–77. http://dx.doi.org/10.5194/ms-7-167-2016.

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Abstract. The energy efficiency of transport systems consisting of several belt conveyors is significantly affected by re-direction. The proper sizing of several conveyor belts using deflector plates can significantly affect their efficiency. At present, there are no uniform rules (models) which specify the methodology and procedures for their design. This paper brings proposals of design of optimal parameters for energy-efficient operation of the transport system consisting of belt conveyors based on the new analytical simulation models. Recommendations for the practical application of transport systems at the transfer point have been designed according to optimization. The results are analysed in detail in three phases of shifting by means of a physical approach with the support of computing methods and simulation experiments with the transfer model. We can state that the direction and orientation of material impact have a direct influence on the conveyor's energy intensity. Thus, the inevitable condition for operation of arbitrary type of belt conveyor is to pay greater attention to the construction of the transfer model, particularly the intensity of the energy of the outgoing conveyor.
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Romanovich, A. A., A. V. Grishin, and I. A. Denisov. "Simulation of unloading processes of short dump belt conveyors with speed control belt movement." Nauchno-tekhnicheskiy vestnik Bryanskogo gosudarstvennogo universiteta 7, no. 4 (December 25, 2021): 348–55. http://dx.doi.org/10.22281/2413-9920-2021-07-04-348-355.

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Short dump belt conveyors are used to create bulk cargo both as an integral part of technological machines in the processing of building materials, and as vehicles in a chain of conveyors for transporting bulk cargo in accordance with the logistics of open warehouses. When implementing mechanization schemes for open warehouses, depending on the degree of variability of the cargo flow in the structures of such conveyors, drives can be used that allow regulating the speed of the belts, thereby controlling the productivity of the entire line. Often, short belt conveyors are not equipped with specialized unloading devices, which requires elaboration of the issues of movement of cargo particles during unloading, especially if the conveyor is operating in a production line. The article simulates the processes of unloading short dump belt conveyors when controlling the speed of the belt. Trajectories of movement of cargo particles for various parameters of conveyors are obtained: belt speed, conveyor tilt angle to the horizon, diameter of the unloading drum. It is shown that it is necessary to simulate unloading processes in all cases with belt speed control and conveyor operation without specialized unloading devices.
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Talaśka, Krzysztof, and Dominik Wojtkowiak. "Modelling mechanical properties of the multilayer composite materials with the polyamide core." MATEC Web of Conferences 157 (2018): 02052. http://dx.doi.org/10.1051/matecconf/201815702052.

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Due to the wide range of application for belt conveyors, engineers look for many different combinations of mechanical properties of conveyor and transmission belts. It can be made by creating multilayer or fibre reinforced composite materials from base thermoplastic or thermosetting polymers. In order to gain high strength with proper elasticity and friction coefficient, the core of the composite conveyor belt is made of polyamide film core, which can be combined with various types of polymer fabrics, films or even rubbers. In this paper authors show the complex model of multilayer composite belt with the polyamide core, which can be used in simulation analyses. The following model was derived based on the experimental research, which consisted of tensile, compression and shearing tests. In order to achieve the most accurate model, proper simulations in ABAQUS were made and then the results were compared with empirical mechanical characteristics of a conveyor belt. The main goal of this research is to fully describe the perforation process of conveyor and transmission belts for vacuum belt conveyors. The following model will help to develop design briefs for machines used for mechanical perforation.
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Goncharov, K. A. "Conceptual solutions for control systems of differential tensioners for belt conveyors." Nauchno-tekhnicheskiy vestnik Bryanskogo gosudarstvennogo universiteta 7, no. 4 (December 25, 2021): 316–27. http://dx.doi.org/10.22281/2413-9920-2021-07-04-316-327.

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Differential tensioning devices for belt conveyors in general and intermediate drives of extended conveyors in the form of closed traction loops are a new type of automatic tensioning devices that differ from other known designs by the presence of a stepwise discrete belt tension control system with separation of compensation functions for belt stretching under load and control of its tension during the operation of the conveyor in order to create optimal modes of belt loading. The article analyzes the well-known and practical concepts of belt conveyor control systems in general. The possibility of controlling the traction force realized by the intermediate belt drive by controlling the tension of the traction and load-carrying belts is shown. On the basis of the analysis, conceptual solutions for control systems for differential tensioning devices of belt conveyors are proposed with the possibility of both autonomous use and application in the structure of an integrated conveyor control system. Possible structures of linear parts of differential tensioning devices are presented, as well as options for the implementation of executive parts that directly move tensioning elements.
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Dissertations / Theses on the topic "Belt conveyor"

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Borile, Federica. "On the Mediterranean conveyor belt system." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/11163/.

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The Mediterranean Sea is a semi-enclosed sea, connected to the Atlantic Ocean through the Gibraltar Strait and subdivided in two different regions by the Sicily Strait. The geographical extension of the basin, the surface heat flux, and the water inflow from the Gibraltar Strait are some of the basic factors determining its horizontal and vertical circulation. In the Mediterranean strong salinity and temperature zonal gradients contribute to maintain the zonal-vertical circulation, while meridional-vertical cells are equally forced by winds and deep water mass formation in three regions, the Gulf of Lyon, the southern Adriatic and the Cretan Sea areas. The objective of this thesis is to study how these cells combine together to form the Mediterranean conveyor belt system. This has never been attempted before so the conclusions are necessarily preliminary. In the first part we discuss the vertical zonal and meridional circulation by reconstructing the Wust Mediterranean vertical salinity and temperature structures in an attempt to evaluate the water mass structure consistent with modern data. Our results confirm that Wust depicted vertical circulation from scarce data is reproduced by the past 27 years observations. The structure of both meridional and zonal circulations was discussed using velocity vertical streamfunctions with two different methods. The first one, eulerian, allowed us to observe vertical structures that were already reported in the literature. Recent studies in the Atlantic Ocean have shown that gyres and eddies have an important influence in the isopycnal vertical circulation. This is called the residual circulation which was computed in this study for the first time. A possible interpretation of horizontal connection between the meridional and zonal cells was discussed using horizontal streamfunction. In the last part of the thesis we have been developing an idealized numerical model to study the vertical circulation in the Mediterranean.
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Wright, M. J. "Design of a conveyor belt washer." Thesis, University of Canterbury. Mechanical Engineering, 2003. http://hdl.handle.net/10092/6629.

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The purpose of this project is to design a device to clean fish solids and plaque from plastic conveyor belts after they have been taken off fishing ships. This project involved a systematic design study along with an experimental investigation into the effectiveness of cleaning methods. While fishing factory ships are at sea, the plastic conveyor belts that are used to transport fish become tainted with a biological plaque that some bacteria create to protect themselves, and fish residue. A brief was evolved that required the development of a land based cleaning device to reduce the non-productive cleaning time at sea. A systematic design procedure was adopted for the design of the belt-cleaning device. Research showed that strongly alkaline solutions were the best method of cleaning protein-based biofilms. This research led to the most promising cleaning mechanism concepts being tested to quantitatively evaluate their cleaning effectiveness. The development of the final concept considered the requirements of New Zealand legislation and a professional code of ethics, materials issues due to the aggressive environment, structural design using finite element methods, and a heat and mass transfer analysis. The final design solution consisted of two units. Firstly, a tank to receive the coiled belt, another insulated tank to store the sodium hydroxide cleaning solution, an overhead crane to load/unload the belt, and a transfer pump and control system to control the flow of fluids. The second unit was a separate rinser to perform the water blasting. This study resulted in the final manufacturing information for the belt washer. This includes detailed drawings and a costing for all parts and construction.
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Sari, Lilia. "In pit crushing and belt conveyor systems." Thesis, University of Nottingham, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278348.

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Mathaba, Tebello Ntsiki Don. "Energy and cost optimal scheduling of belt conveyor systems." Thesis, University of Pretoria, 2016. http://hdl.handle.net/2263/61311.

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This work deals with the energy management of belt conveyor systems (BCS) under various demandside management (DSM) programmes. The primary objective of this work is to model the energy consumption and energy related cost of operating troughed belt conveyor systems under different electricity pricing tariffs. This research is motivated by the increasing need for energy efficiency and energy cost reduction in the operation of BCS. This is as a result of technological improvements in BCS technology leading to increasingly longer belts being commissioned and as a result of rapidly rising electricity costs. An energy model derived from established industry standards is proposed for long conveyors. The newly proposed model uses a first-order partial differential equation (PDE) in order to capture the state of material on the belt. This new model describes the conveyor's power requirement using an equation with two parameters. A system identification set-up involving a recursive parameter estimating algorithm is simulated for measurements with varying degrees of noise. The results show that the proposed model estimates conveyor power and material delivered by long conveyors more accurately than the existing steady-state models. Downhill conveyors (DHCs) are important potential energy sources that can be tapped to improve the overall energy efficiency of BCSs. A generic optimisation model that is able to optimally schedule three configurations of BCS with DHC is proposed. The economic assessment of implementing dynamic braking and regenerative drives technology on downhill conveyors is undertaken with the help of the model. The assessment shows that combining regenerative drives and optimal operation of BCS with DHC generates energy savings that give attractive payback period of less than 5 years. A chance-constrained model predictive control (cc-MPC) algorithm is proposed for scheduling belt conveyor systems with uncertain material demand on the output storage. The chance-constraints are based on the modelling of material demand by a sum of known mean demand and, zero-mean and normally distributed random component. The cc-MPC algorithm is shown to produce schedules that give a smaller number and smaller magnitude of storage limit violations compared to normal MPC and chance-constrained optimal control algorithms. An equation that gives the amount of effective storage required to meet storage constraints for a given value of standard deviation is established. The optimal scheduling of BCS under the real-time pricing (RTP) tariff is considered. This study develops a methodology for establishing the economic value of price forecasting schemes for loads capable of load-shifting. This methodology is used to show that the economic benefit obtained from a forecast is highly dependent on the volatility of the electricity prices being predicted and not their mean value. The methodology is also used to illustrate why the commonly used indices mean absolute percentage error (MAPE) and root mean square error (RMSE) are poor indicators of economic benefit. The proposed index using Kendall's rank correlation between the actual and predicted prices is shown to be a good indicator of economic benefit, performing far better than RSME and MAPE.
Thesis (PhD)--University of Pretoria, 2016.
Electrical, Electronic and Computer Engineering
PhD
Unrestricted
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Masaki, Mukalu Sandro. "A cost-effective design approach for multiple drive belt conveyor systems." Diss., University of Pretoria, 2005. http://hdl.handle.net/2263/66217.

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Multiple drive belt conveyors are being increasingly incorporated in mining plans worldwide because of their high economic performance and the ease of moving these installations around, especially in underground mines. A typical modern multi-drive conveyor system consists of one or more intermediate drive stations positioned along the upper stretch of the conveyor and a single drive station situated in the lower stretch. Despite the acknowledged cost saving potential of the multiple drive technology, no previous work was reported on the methodology to realize a cost-effective design of multi-drive belt conveyors. This study investigates a design approach for multiple drive belt conveyors with the objective to achieve the lowest life cycle cost of multi-drive belt conveyors for a specified material transport task. For this purpose, an optimization model for the cost-effective design of multi-drive conveyor systems is formulated on the basis of the recommendations of the DIN 22101 and SANS 1313 standards. For a given number of intermediate drive stations, the proposed model optimizes a set of design parameters so that the minimum equivalent annual cost of a conveyor can be attained whilst handling the transport requirements and design conditions. The conveyor parameters optimized in this study are the rated powers of motors, the rated torques of gear reducers, the diameters and wrap angles of drive pulleys, the belt width, the belt speed, the lengths of the belt sections not nestled between drive pulleys, the spacings between idler rolls and the shell diameters and shaft diameters of idler rolls. For benchmark analysis purposes, a similar optimization model is also developed for the single drive technology. Described as mixed integer nonlinear programming (MINLP) problems, the two optimization models are solved using the MIDACO solver embedded in the MATLAB environment. The results of this study show the validity and effectiveness of the design model proposed for multi-drive belt conveyors. The results also indicate that the multiple drive technology is more beneficial for the conveying over long distances. The impact of the possible instability of inflation throughout the project lifetime is also investigated through three hypothetical scenarios, which involve a fixed inflation rate, a higher fluctuating inflation rate and a lower fluctuating inflation rate, respectively. The results of this sensitivity analysis show that the most cost-effective multi-drive belt conveyors obtained under a fixed inflation rate is robust enough against limited fluctuations of this parameter.
Dissertation (MEng)--University of Pretoria, 2017.
Electrical, Electronic and Computer Engineering
MEng
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Lucas, Jason David. "Improving Conveyor Belt Safety Training Through the Use of Virtual Reality." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/36374.

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Working around conveyor belts is the cause of numerous accidents each year that are costly to the mining industry. Current safety training practices generally include the use of slide show presentations, lectures, videos, and paper material before sending each worker onto site with an experienced person for on-the-job task training. These training methods are passive in nature and do not allow for an actual realization of consequences resulting from ignoring safety practices during interaction between the employee and the environment. It is with this in mind that virtual reality (VR) is being proposed as an added effective method of safety training. In order to prove this hypothesis, a working VR prototype application of a mining environment has been developed. The application is designed in two modules. The first consists of an instructional based module, where the user is given all relevant information based on background research dealing with safety issues, hazard awareness, conveyor maintenance, and conveyor components and assemblies. The second module is a task-based training session that then tracks the userâ s performance as they complete assigned tasks. An evaluation scheme was performed on the prototype to determine the usability and usefulness and identify areas in need of improvement. First, industry professionals were presented the application in an informal setting where the types of information and overall concept were examined and perceived usefulness was discussed. Secondly, users, both novice and industry professionals, were asked to go through the prototype training application and rate their agreement with statements based on the user interface and usability of the application. Finally, subjective interviews were performed to record perceived benefits of the virtual reality application over typical training material. This final stage consists of using both industry professionals and novice experience individuals and documenting their perceptions of benefits and challenges of using both typical methods of training and the designed prototype. This document consists of an explanation of the research steps and papers that are published (or in press) detailing certain areas of the research, compiled findings, conclusions, and future research suggestions.
Master of Science
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Joseph, Mathews. "Failure analysis in a paper mill and a coal conveyor system." Thesis, Queensland University of Technology, 1996. https://eprints.qut.edu.au/36003/1/36003_Joseph_1997.pdf.

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This thesis aims at explaining two different methods by which failure analysis can be conducted . The two methods were used in two totally different circumstances. One was the failure study conducted at the Petrie Mill of Australian Paper and the other was a study of conveyor belt failures based on the author's experience at Neyveli Lignite Corporation Limited. The bottom line is to stress the need for separate strategies depending on the nature of industry or the machinery and the importance of documenting the actual Failure Analysis however it may be done. This will help in further development of the strategies and provide ideas for newcomers in the field. Using the data obtained by applying strategy-1 Reliability Analysis and Planned Replacement cost analysis can be conducted. Two components selected by applying strategy-I were analysed using Relcode and are included in this thesis. Three other major initiatives associated with this research are Failure Recording and Spare Control system (FR&SC) for Petrie Mill, Belt Condition Recording and Monitoring system(BEL TCON) and Conveyor Belt Breakdown Maintenance Management flow chart for users of conveyor belts. All of these concepts, presently in a flow-chart form, can be programmed and further developed into a full-fledged software package. They will definitely be very handy tools for engineers and managers who deal with similar situations. The power of FM-EAsy software is utilized in analysing the failures in conveyor belt systems, which involves the recording of all failure modes, effects and criticality.
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Letestu, Andre-Charles. "Case study analysis of warm conveyor belt and low level jet phenomena." Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239532.

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Strandberg, Filip, and Johan Freij. "Measuring dimensions of goods modules with 2D laser scanners on a conveyor belt." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-138482.

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A company wants to measure and verify the size of goods modules, transported on a conveyor belt, with the help of two 2D laser scanners (LMS100). The resulting measurements will be written to a database whereafter the modules will be moved by an automatic lifting device to a storage. The dimensions and possible any protrusions need to be known to avoid collision. The goal with this project is to write three modular libraries. One library for communicating with the LMS100 scanner, one library for calculating the dimensions of the goods modules and one library for handling the database. A graphical user interface (GUI) was also created which was implemented with an existing graphical library, Simple Directmedia Layer (SDL). A Raspberry Pi 3 has been used as a hardware platform which communicates with two LMS100 via ethernet. All code is written in the programming language C. LMS100 communicates with so called telegrams and the library implements these with TCP sockets. The structure of these can be found in the manufacturer’s datasheet. The calculating library uses trigonometric functions with measurement values from the scanners. The database library uses sqlite3 for a serverless database. The testing of these libraries was first done on a small scale with only one scanner and a small box placed a few decimeters in front of the scanner, to verify the functionality of the libraries. The company later provided a larger test rig with a remote controlled  platform, which drove between the scanners. When measuring objects with this test rig, the system showed an adequate ability to verify the size of the goods module. An inherent measurement error of a few millimeters of the scanners is shown, but this doesn’t affect the functionality in the final product which will measure considerably larger objects. Some functions are prepared for future development but aren’t yet ready for use. The protrusions of the goods modules aren’t yet discovered by the system. The calculating library is prepared to be able to detect these, but the evaluation of them aren’t ready. If the goods module is at an angle, the system measurements will be faulty. For every scanned segment the coordinates are saved and in future development it will be able to detect the angle.
Ett företag vill med hjälp av två stycken 2D-laserskannrar (LMS100) mäta och verifiera storleken på godsmoduler som transporteras på ett transportband. Mätresultatet ska skrivas till en databas varefter modulerna med en automatiskt styrd avlastare förflyttar dem till ett lager. Dimensioner och eventuella utstick på modulen måste vara kända för att undvika kollision. Målet med arbetet är att skriva tre stycken modulära bibliotek. Ett bibliotek för kommunikation med LMS100, ett bibliotek för beräkning av godsmodulens dimensioner och ett bibliotek för databashantering. Till detta skapades även ett grafiskt användargränssnitt (GUI) som implementerades med hjälp av ett färdigt grafikbibliotek, Simple Directmedia Layer (SDL).  En Raspberry Pi 3 har använts som hårdvaruplattform som kommunicerar med två stycken LMS100 via ethernetanslutning. All kod skrivs i programspråket C. LMS100 kommunicerar med s.k. telegram och biblioteket implementerar dessa via TCP sockets. Strukturen på dessa går att läsa i tillverkarens datablad. Beräkningsbiblioteket använder trigonometriska funktioner med mätvärden från skannrarna för beräkning. Databasbiblioteket använder sig av sqlite3 för en serverlös databas. Testning av dessa bibliotek skedde först på en småskalig nivå med endast en skanner och en liten låda placerad några decimeter framför skannern,  för att verifiera funktionaliteten på berörda bibliotek. Företaget bidrog senare med en testrig i större skala med en fjärrstyrd plattform, som körde mellan de två skannrarna. Vid mätning av objekt i denna testrig visade systemet en tillräckligt god förmåga för att kunna verifiera storlek på godsmoduler. Ett medföljt mätfel i millimeterskala finns i skannrarna, men detta påverkar inte funktionaliteten i den slutgiltiga produkten som ska mäta mycket större objekt. Vissa funktioner är förberedda för framtida utveckling men är inte färdiga för användning. Utstick på godsmodulerna upptäcks inte av systemet än. Beräkningsbiblioteket är förberett för att kunna upptäcka dessa, men utvärderingen av dem är inte färdigt. Om godsmodulen är vriden på transportbandet mäter systemet fel. Koordinater finns för varje skannat segment så att man ska kunna upptäcka denna vinkel i framtida utveckling.
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Tenser, Lori Ilene. "Stepping Off The Conveyor Belt: Gap Year Effects on the First Year College Experience." Thesis, Boston College, 2015. http://hdl.handle.net/2345/bc-ir:104364.

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Thesis advisor: Karen D. Arnold
Taking a gap year between high school and college has become more common in the United States in recent years, yet little research attempts to describe or analyze the experience of the students who arrive on college campuses after such a year out. This qualitative study followed 12 first-year students attending highly-selective private institutions in the northeastern U.S. as they experienced the transitions from high school to gap year to college. With varying levels of family support and high levels of personal motivation, the students participated in a wide range of gap-year endeavors. The findings indicate that students were heavily influenced by their encounters during the gap year, leading to strong evidence of self-authorship among the participants, which in turn shaped the way students pursued their goals when they arrived at college. Particularly influential were encounters that involved independent problem-solving, participating in multigenerational relationships, and immersion in new cultural settings. The students' transitions to college during the first year were marked by patterns of Sovereign Engagement with regard to learning, relationships, and decision-making. Commonly marked by internalized goals, authenticity in relationships, and greater individual agency, "Sovereign Engagement" captures the self-authored perspective that these students brought to their college experience. Contrary to suggestions in the popular media, not all gap-year students found the transition to be seamless; nor were they uniformly motivated to earn good grades. As a summary of the findings, the Gap Year Impact Model provides an important frame of reference for understanding the experiences, needs, and sovereign decision-making patterns of gap-year students. The results offer students, parents, colleges and universities an introduction to the lived experiences of gap-year students, who are arriving on campus in increasing numbers each year
Thesis (PhD) — Boston College, 2015
Submitted to: Boston College. Lynch School of Education
Discipline: Educational Leadership and Higher Education
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Books on the topic "Belt conveyor"

1

Righting the educational conveyor belt. 2nd ed. Portland, Or: Metamorphous Press, 1991.

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Grinder, Michael. Righting the educational conveyor belt. Portland, Or: Metamorphous Press, 1989.

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Xu, Jinlong, Joyce Zhang, and Ken Kuang. Conveyor Belt Furnace Thermal Processing. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-69730-7.

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Litton, C. D. Fire detection for conveyor belt entries. Washington, D.C: U.S. Dept. of the Interior, Bureau of Mines, 1991.

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Rhoades, C. A. Basic parameters of conveyor belt cleaning. Pittsburgh, PA: U.S. Dept. of the Interior, Bureau of Mines, 1989.

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Rhoades, C. A. Basic parameters of conveyor belt cleaning. Washington, DC: Dept. of the Interior, 1989.

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Company, Gates Rubber. Gates belt preventive maintenance manual. Denver, Colo: Gates Rubber Co., 1996.

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Joint, Power Generation Conference (1987 Miami Fla ). Coal sampling fundamentals and new applications--belt conveyor systems. New York: American Society of Mechanical Engineers, 1987.

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Rhoades, C. A. Development and testing of a pneumatic scraper blade for conveyor belt cleaning. Washington, D.C: U.S. Dept. of the Interior, Bureau of Mines, 1989.

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Jaspal, Jasinder S. Surface testing and evaluation of the conveyor belt service machine. Pittsburgh, Pa: U.S. Dept. of the Interior, Bureau of Mines, 1988.

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Book chapters on the topic "Belt conveyor"

1

Jurdziak, Leszek, Ryszard Blazej, and Miroslaw Bajda. "Conveyor Belt 4.0." In Advances in Intelligent Systems and Computing, 645–54. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97490-3_61.

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Kozhushko, G. G., M. D. Lukashuk, and O. A. Lukashuk. "Conveyor Belt Vibrations." In Lecture Notes in Mechanical Engineering, 837–44. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-54817-9_97.

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Xu, Jinlong, Joyce Zhang, and Ken Kuang. "Ultrasonic Belt Cleaning." In Conveyor Belt Furnace Thermal Processing, 141–43. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-69730-7_18.

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Morton-Jones, David H., and John W. Ellis. "Rubber-Steel Conveyor Belt." In Polymer Products, 226–51. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4101-4_21.

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Drakatos, P., E. Sotiropoulos, and A. Dentsoras. "Modelling a Belt Conveyor." In Computer Integrated Manufacturing, 427–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-83590-2_18.

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Liang, Xie, and Xu Kuangdi. "Belt Conveyor, Classification of." In The ECPH Encyclopedia of Mining and Metallurgy, 1–3. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0740-1_218-1.

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Bück, Andreas. "Control of Conveyor-Belt Drying." In Intelligent Control in Drying, 425–40. Boca Raton : Taylor & Francis, a CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa, plc, 2018. | Series: Advances in drying science & technology: CRC Press, 2018. http://dx.doi.org/10.1201/9780429443183-21.

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Kuang, Andrew. "Introduction." In Conveyor Belt Furnace Thermal Processing, 1–11. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-69730-7_1.

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Li, Lyman. "Introduction to Materials and Firing Parameters in Thick Film Firing." In Conveyor Belt Furnace Thermal Processing, 77–82. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-69730-7_10.

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Song, Sean. "Influence of Belt Furnace on Engine Valve Heat Treatment." In Conveyor Belt Furnace Thermal Processing, 83–85. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-69730-7_11.

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Conference papers on the topic "Belt conveyor"

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Gondek, Horst, Jiri Pokorny Daniel, Bohac Leo, and Leo Luzar. "REDUCTION OF CONVEYOR BELT PIERCING ON CONVEYOR BELTS AT SURFACE MINES." In 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020. STEF92 Technology, 2020. http://dx.doi.org/10.5593/sgem2020/1.2/s03.029.

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Uriu, Daisuke, William Odom, and Hannah Gould. "Understanding Automatic Conveyor-belt Columbaria." In DIS '18: Designing Interactive Systems Conference 2018. New York, NY, USA: ACM, 2018. http://dx.doi.org/10.1145/3196709.3196801.

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Krupenin, Vitaly, George Nerubenko, and Dmytriy Gurevych. "Improved performance of belt conveyor-feeder." In 18th International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, 2019. http://dx.doi.org/10.22616/erdev2019.18.n011.

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Gondek, Horst, Jiri Kolman, and Daniel Bohac. "NOISE REDUCTION OF BELT CONVEYOR TRACKS." In 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020. STEF92 Technology, 2020. http://dx.doi.org/10.5593/sgem2020/1.2/s03.025.

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Wang, Quanwei, Wei Xiong, and Xiaolan Wang. "Modal Analysis of Belt Conveyor Roller." In 2015 International Conference on Intelligent Systems Research and Mechatronics Engineering. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/isrme-15.2015.337.

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Swinderman, R. Todd, Greg Bierie, Andrew D. Marti, and Barbara A. Wheatall. "Conveyor Architecture for the 21st Century." In ASME 2009 Power Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/power2009-81024.

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To address issues associated with the recently updated OSHA Instruction on combustible dust hazards, this presentation will explore an innovative concept of conveyor design. The author will also examine two “leading edge” conveyor technologies and review recent projects that employed these two technologies. This presentation will first address concerns associated with the OSHA Instruction on combustible dust hazards by exploring the architecture concept for conveyor design and the new dust accumulation resistant conveyor structure. This pioneering approach to conveyor design focuses on prevention of fugitive dust accumulation and ease of maintenance. The next of these advanced technologies is “engineered-flow” chutes. Designed from material testing and flow studies, these transfer chute systems provide better material control, continuous flow at higher capacities, and dramatic reductions in material spillage and the release of airborne dust. By regulating the path of material movement, these engineered chutes improve the load placement on the belt, eliminate chute blockages, reduce safety hazards, and minimize maintenance costs. A third leading edge conveying system is air-supported belt conveyors. Rather than using rollers, these leading edge systems use a film of air rising from a troughed pan to support the belt and cargo. These totally enclosed conveyors offer a number of benefits, including improved tracking, improved control of dust and spillage, and reduced friction and power consumption. In this presentation, the author will present “project profiles” of recent installations of these systems. The author will look at the reasons these systems were selected and report on the lessons learned from system engineering, installation, and operation. These projects will include systems handling Powder River Basin (PRB) coal in mines and power plants.
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Khader, Khaled M., Jorge Angeles, Mahmoud A. Moustafa, Sabry A. El-Shakery, and Raafat A. Abou-Elnasr. "The Dynamics of Rigid Objects on Shaking Belt Conveyors for Self-Orientation." In ASME 1994 Design Technical Conferences collocated with the ASME 1994 International Computers in Engineering Conference and Exhibition and the ASME 1994 8th Annual Database Symposium. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/detc1994-0256.

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Abstract Flexible manufacturing systems with belt conveyors that transport workpieces in batches to be picked up by a robot motivated this work. In such systems, workpieces are discharged onto a belt conveyor with arbitrary orientations and then transported to another station where a robot picks them up. In order to enhance the reliability of the robot and simplify its operation, the workpieces should be presented with the same orientation, which is the task of the conveyors studied here.
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Song, Weigang, Bangchun Wen, and Huijuan Liu. "Simulation Research on Dynamics of Belt Conveyor System." In ASME 2006 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/detc2006-99024.

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With the magnification of the belt conveyor, dynamic analysis and dynamic design have become indispensability means in the design of belt conveyor. In this article, we build the finite-element model of the starting and stopping process, which bases on the multi-driving belt conveyor system, and the dynamic calculation method of multi-driving system basing on power tracing. According to the reasonable starting curve, we start the first driving/drive, and then the rest drives trace the first driving in order. We bring forward the starting curve of trapezium acceleration from the existing S-curve. We develop the dynamic analysis software of belt conveyor and test the correctness of its calculation and software by the computer simulation of the actual system. The method had been applied in the system design of 7.6 km belt conveyor in Jincheng city, Shanxi province.
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Cheng, Xiaohan, Xiao He, Xu Zhang, and Guoying Meng. "New-Style Acceleration Curve of Belt Conveyor." In 2010 International Conference on E-Product E-Service and E-Entertainment (ICEEE 2010). IEEE, 2010. http://dx.doi.org/10.1109/iceee.2010.5660990.

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Yan, Chen, and Xue He. "Model and Dynamic Simulation of Belt Conveyor." In 2010 International Conference on Intelligent System Design and Engineering Application (ISDEA). IEEE, 2010. http://dx.doi.org/10.1109/isdea.2010.331.

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Reports on the topic "Belt conveyor"

1

Chris Fromme. Effective Conveyor Belt Inspection for Improved Mining Productivity. Office of Scientific and Technical Information (OSTI), June 2006. http://dx.doi.org/10.2172/885038.

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Chris Fromme. Effective Conveyor Belt Inspection for Improved Mining Productivity. Office of Scientific and Technical Information (OSTI), June 2006. http://dx.doi.org/10.2172/885042.

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Chris Fromme. Effective Conveyor Belt Inspection for Improved Mining Productivity. Office of Scientific and Technical Information (OSTI), June 2006. http://dx.doi.org/10.2172/885043.

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David LaRose. Effective Conveyor Belt Inspection for Improved Mining Productivity. Office of Scientific and Technical Information (OSTI), July 2006. http://dx.doi.org/10.2172/886848.

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David LaRose. Effective Conveyor Belt Inspection for Improved Mining Productivity. Office of Scientific and Technical Information (OSTI), December 2007. http://dx.doi.org/10.2172/926314.

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Szymanski, J. K. A numerical method for the calculation of belt conveyor lengths as a function of the installed power. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/304950.

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Mintz, K. J. Fire-retardant conveyor belts: testing and standards. Natural Resources Canada/CMSS/Information Management, 1992. http://dx.doi.org/10.4095/328800.

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David LaRose. Effective Conveyer Belt Inspection for Improved Mining Productivity. US: Carnegie Mellon University, November 2006. http://dx.doi.org/10.2172/898975.

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Lahav, Ori, Albert Heber, and David Broday. Elimination of emissions of ammonia and hydrogen sulfide from confined animal and feeding operations (CAFO) using an adsorption/liquid-redox process with biological regeneration. United States Department of Agriculture, March 2008. http://dx.doi.org/10.32747/2008.7695589.bard.

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The project was originally aimed at investigating and developing new efficient methods for cost effective removal of ammonia (NH₃) and hydrogen sulfide (H₂S) from Concentrated Animal Feeding Operations (CAFO), in particular broiler and laying houses (NH₃) and hog houses (H₂S). In both cases, the principal idea was to design and operate a dedicated air collection system that would be used for the treatment of the gases, and that would work independently from the general ventilation system. The advantages envisaged: (1) if collected at a point close to the source of generation, pollutants would arrive at the treatment system at higher concentrations; (2) the air in the vicinity of the animals would be cleaner, a fact that would promote animal growth rates; and (3) collection efficiency would be improved and adverse environmental impact reduced. For practical reasons, the project was divided in two: one effort concentrated on NH₃₍g₎ removal from chicken houses and another on H₂S₍g₎ removal from hog houses. NH₃₍g₎ removal: a novel approach was developed to reduce ammonia emissions from CAFOs in general, and poultry houses in particular. Air sucked by the dedicated air capturing system from close to the litter was shown to have NH₃₍g₎ concentrations an order of magnitude higher than at the vents of the ventilation system. The NH₃₍g₎ rich waste air was conveyed to an acidic (0<pH<~5) bubble column reactor where NH₃ was converted to NH₄⁺. The reactor operated in batch mode, starting at pH 0 and was switched to a new acidic absorption solution just before NH₃₍g₎ breakthrough occurred, at pH ~5. Experiments with a wide range of NH₃₍g₎ concentrations showed that the absorption efficiency was practically 100% throughout the process as long as the face velocity was below 4 cm/s. The potential advantages of the method include high absorption efficiency, lower NH₃₍g₎ concentrations in the vicinity of the birds, generation of a valuable product and the separation between the ventilation and ammonia treatment systems. A small scale pilot operation conducted for 5 weeks in a broiler house showed the approach to be technically feasible. H₂S₍g₎ removal: The main goal of this part was to develop a specific treatment process for minimizing H₂S₍g₎ emissions from hog houses. The proposed process consists of three units: In the 1ˢᵗ H₂S₍g₎ is absorbed into an acidic (pH<2) ferric iron solution and oxidized by Fe(III) to S⁰ in a bubble column reactor. In parallel, Fe(III) is reduced to Fe(II). In the 2ⁿᵈ unit Fe(II) is bio-oxidized back to Fe(III) by Acidithiobacillus ferrooxidans (AF).In the 3ʳᵈ unit S⁰ is separated from solution in a gravity settler. The work focused on three sub-processes: the kinetics of H₂S absorption into a ferric solution at low pH, the kinetics of Fe²⁺ oxidation by AF and the factors that affect ferric iron precipitation (a main obstacle for a continuous operation of the process) under the operational conditions. H₂S removal efficiency was found higher at a higher Fe(III) concentration and also higher for higher H₂S₍g₎ concentrations and lower flow rates of the treated air. The rate limiting step of the H₂S reactive absorption was found to be the chemical reaction rather than the transition from gas to liquid phase. H₂S₍g₎ removal efficiency of >95% was recorded with Fe(III) concentration of 9 g/L using typical AFO air compositions. The 2ⁿᵈ part of the work focused on kinetics of Fe(II) oxidation by AF. A new lab technique was developed for determining the kinetic equation and kinetic parameters (KS, Kₚ and mₘₐₓ) for the bacteria. The 3ʳᵈ part focused on iron oxide precipitation under the operational conditions. It was found that at lower pH (1.5) jarosite accumulation is slower and that the performance of the AF at this pH was sufficient for successive operation of the proposed process at the H₂S fluxes predicted from AFOs. A laboratory-scale test was carried out at Purdue University on the use of the integrated system for simultaneous hydrogen sulfide removal from a H₂S bubble column filled with ferric sulfate solution and biological regeneration of ferric ions in a packed column immobilized with enriched AFbacteria. Results demonstrated the technical feasibility of the integrated system for H₂S removal and simultaneous biological regeneration of Fe(III) for potential continuous treatment of H₂S released from CAFO. NH₃ and H₂S gradient measurements at egg layer and swine barns were conducted in winter and summer at Purdue. Results showed high potential to concentrate NH₃ and H₂S in hog buildings, and NH₃ in layer houses. H₂S emissions from layer houses were too low for a significant gradient. An NH₃ capturing system was designed and tested in a 100-chicken broiler room. Five bell-type collecting devices were installed over the litter to collect NH₃ emissions. While the air extraction system moved only 10% of the total room ventilation airflow rate, the fraction of total ammonia removed was 18%, because of the higher concentration air taken from near the litter. The system demonstrated the potential to reduce emissions from broiler facilities and to concentrate the NH₃ effluent for use in an emission control system. In summary, the project laid a solid foundation for the implementation of both processes, and also resulted in a significant scientific contribution related to AF kinetic studies and ferrous analytical measurements.
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Factory worker entangled in conveyor belt rollers. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, January 1999. http://dx.doi.org/10.26616/nioshsface98ky044.

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