Relevant bibliographies by topics / Knife mill

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Knife mill'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Knife mill"

1

Ghafori, H., S. A. Khodarahmi, and M. Razazi. "Grain Mill Knife Wear Optimization." Metal Science and Heat Treatment 62, no. 5-6 (September 2020): 336–40. http://dx.doi.org/10.1007/s11041-020-00563-8.

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Demian, Mihai, Claudiu Nicolicescu, Gabriela Demian, and Stefan Radu. "Study Regarding the Properties of a Knife from a Grinding Mill Obtained from Metallic Powders." Advanced Engineering Forum 34 (October 2019): 60–65. http://dx.doi.org/10.4028/www.scientific.net/aef.34.60.

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In the paper is presented the analysis of tool steel used for making a knife for a mill for grinding plants. The material used for the knife is about 1% carbon and is symbolized by RWL34. To improve the properties of the material, especially the knife cut, a thermal treatment were made and was measured hardness, wear resistance and microscopic analyzes of the metal. The paper presents the values of the mechanical properties on the initial sample, on the hardening sample and on the sample subjected to a hardening and tempering treatment, as well as the graphs related to them. The next step in finalizing the analysis of the grinder mill knife is to study the behavior in operation and the possible corrections that should be made.
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Winham, Donna, Mariel Camacho-Arriola, Karen Cichy, and Sharon Hooper. "Black Bean Pasta Meals Significantly Reduce Glycemic Response More Than Control in Young Adults." Current Developments in Nutrition 4, Supplement_2 (May 29, 2020): 790. http://dx.doi.org/10.1093/cdn/nzaa052_059.

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Abstract Objectives Determine the effect of three 100% black bean pastas made with standard (Knife Mill) and novel flour milling techniques (sonic wave) on postprandial glycemic response in healthy normoglycemic adults in comparison to whole black beans and a white bread control. Methods Heat treated black beans (Zenith) were milled into flour using a commercial knife mill or a sonic wave mill. The latter generated bean flours with low (cyclone), and medium (combined) protein concentrations from which pastas of 100% black beans were made commercially. Fifteen adults (6 men, 9 women, mean age 23.4 ±2.7 y; nonsmokers; BMI <30) were recruited for a randomized 5 × 5 cross-over trial. The test meals were white bread control (no sauce), whole black beans and 3 black bean pastas served with a standard amount of spaghetti sauce to net 50 grams of available carbohydrate (CHO). The test meals were similar in macronutrient content except for protein and fiber (knife mill protein 19.5, fat 6.3, fiber 22; combined 20.5, 7.5, 22.4; cyclone 13.7, 6.1, 19.5; whole beans 20.9; 5.4, 28.2). Fasted participants consumed a test meal within 7–10 minutes. Venous blood draws were taken at 30, 60, 90, 150, and 180 minutes post meal start. Glucose was analyzed by a professional laboratory (Quest Diagnostics, Chicago, IL). Results Net glucose response based on the incremental area under the curve (iAUC) for 0–180 minutes was significantly different by treatment for all four test meals in comparison to the white bread control (P = 0.002). For the 0–60 iAUC increment, participants showed a lower response to whole black beans than white bread (P = .000), knife mill (P = .024), combination (P = .024), or cyclone (P = .014) pastas. The 0–120 iAUC period showed significantly higher net glucose for the white bread than the 4 bean treatments. Black beans were significantly different from the knife mill (P = .033) and cyclone pasta formulations (P = .049). Conclusions Black bean pastas improve glycemic response regardless of milling type in relation to a control food providing evidence that has promising implications for dietary guidance to reduce postprandial glucose and related health risks through processed food consumption. Funding Sources Research was supported by the USDA Pulse Crop Health Initiative.
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Su, Dongping, and Manlu Yu. "Study of Corn Stover Particle Size Distribution Characteristics for Knife Mill and Hammer Mill." IOP Conference Series: Earth and Environmental Science 358 (December 13, 2019): 052060. http://dx.doi.org/10.1088/1755-1315/358/5/052060.

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Акимов, Александр, Aleksandr Akimov, Юрий Константинов, Yuriy Konstantinov, Борис Туровский, and Boris Turovskiy. "MATHEMATICAL MODEL OF INTERACTION OF MILLING KNIVES WITH SOIL." Vestnik of Kazan State Agrarian University 12, no. 4 (January 18, 2018): 67–71. http://dx.doi.org/10.12737/article_5a5f06808b59a5.62332052.

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As working units of tillage mills, both curved (L-shaped) blade knives and straight blade knives are used. The soil reactions to these working units depend on soil properties, geometric parameters of the working parts, parameters determining the modes of their operation and the angle of rotation of the working units. When constructing a mathematical model for the interaction of working parts with soil, all these factors must be taken into account, while striving to simplify the proposed model. Accounting for the dependence of force characteristics of the working units on the angle of their rotation is not an easy task, and in most cases it is solved with the help of specially set experiments. A mathematical model is proposed for the interaction of a direct lamellar milling knife with soil, which makes it possible to determine the components of the resulting soil reactions to such a knife, the total moment of these reactions, and the power consumed for cutting the soil, depending on the knife rotation angle. This model takes into account the geometry of the working unit through the radii of the hub and cutters, the angle of installation of the milling knife and its length. The operating mode of the knife is set by the kinematic coefficient, equal to the ratio of the circumferential velocity of the knife end to the speed of the translational motion of a mill, and the maximum relative depth of the milling knife in the soil. The constructed model makes it possible to determine the dependence of the maximum values of the considered power characteristics of the knife on the indicated geometric parameters and the parameters of the knife operating mode, which makes it possible to simplify experiments to determine the power characteristics of the cutter and significantly reduce its volume. This model can be used to select the optimal knife parameters. In addition, the proposed model can be used to calculate the power characteristics of the rack of a curved blade knife, which consumes a significant amount of energy during milling.
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Bitra, Venkata S. P., Alvin R. Womac, Yuechuan T. Yang, C. Igathinathane, Petre I. Miu, Nehru Chevanan, and Shahab Sokhansanj. "Knife mill operating factors effect on switchgrass particle size distributions." Bioresource Technology 100, no. 21 (November 2009): 5176–88. http://dx.doi.org/10.1016/j.biortech.2009.02.072.

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7

Lee, Hyoung-Woo. "Size Reduction Characteristics of Yellow Poplar in a Laboratory Knife Mill." Journal of the Korean Wood Science and Technology 44, no. 2 (March 25, 2016): 166–71. http://dx.doi.org/10.5658/wood.2016.44.2.166.

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8

Williams, Orla, Edward Lester, Sam Kingman, Donald Giddings, Stephen Lormor, and Carol Eastwick. "Benefits of dry comminution of biomass pellets in a knife mill." Biosystems Engineering 160 (August 2017): 42–54. http://dx.doi.org/10.1016/j.biosystemseng.2017.05.011.

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Suponik, Tomasz, Dawid Franke, Paweł Nuckowski, Piotr Matusiak, Daniel Kowol, and Barbara Tora. "Impact of Grinding of Printed Circuit Boards on the Efficiency of Metal Recovery by Means of Electrostatic Separation." Minerals 11, no. 3 (March 9, 2021): 281. http://dx.doi.org/10.3390/min11030281.

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This paper analyses the impact of the method of grinding printed circuit boards (PCBs) in a knife mill on the efficiency and purity of products obtained during electrostatic separation. The separated metals and plastics and ceramics can be used as secondary raw materials. This is in line with the principle of circular economy. Three different screen perforations were used in the mill to obtain different sizes of ground grains. Moreover, the effect of cooling the feed to cryogenic temperature on the final products of separation was investigated. The level of contamination of the concentrate, intermediate, and waste obtained as a result of the application of fixed, determined electrostatic separation parameters was assessed using ICP-AES, SEM–EDS, XRD, and microscopic analysis as well as specific density. The yields of grain classes obtained from grinding in a knife mill were tested through sieve analysis and by using a particle size analyser. The test results indicate that using a knife mill with a 1 mm screen perforation along with cooling the feed to cryogenic temperature significantly improves the efficiency of the process. The grinding products were characterised by the highest release level of the useful substance—metals in the free state. The purity of the concentrate and waste obtained from electrostatic separation was satisfactory, and the content of the intermediate, in which conglomerates of solid metal–plastic connections were present, was very low. The yield of concentrate and waste amounted to 26.2% and 71.0%, respectively. Their purity, reflected in the content of the identified metals (valuable metals), was at the level of 93.3% and 0.5%, respectively. In order to achieve effective recovery of metals from PCBs by means of electrostatic separation, one should strive to obtain a feed composed of grains <1000 μm and, optimally, <800 μm.
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Marquez, Marcio Eduardo, and Fabrício Celso. "ESTUDO DA VIABILIDADE TÉCNICA DO PROCESSAMENTO DE RESÍDUOS DE ESPUMA FLEXÍVEL DE POLIURETANO POR UM MOINHO DE FACAS." Revista Tecnologia e Tendências 11, no. 1 (September 15, 2020): 72. http://dx.doi.org/10.25112/rtt.v11i1.2292.

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ResumoA necessidade de encontrar meios para reciclar materiais que até então eram apenas descartados no meio ambiente traz também a necessidade de conhecermos a viabilidade de alguns processos em meio industrial, avaliando-os não apenas financeira, mas também tecnicamente, por meio do uso de equipamentos de fácil acesso, manuseio e manutenção. Pensando nisso, este trabalho busca aplicar o processo de trituração por moinho de facas a espumas flexíveis de poliuretano, nas quais ainda se percebe carência de estudos em se tratando de sua redução de partículas por meio de processos industriais. Com o uso de um moinho de facas, buscou-se moer aparas da fabricação de assentos sanitários, sendo que a capacidade do processo e a granulometria final do material triturado foram quantitativamente avaliados e o fluxo de material bem como a moagem em si, foram avaliados qualitativamente. Com uma capacidade aproximada de 1 kg/h, uma granulometria apresentando 46,3% das partículas com dimensões de 2,01 a 4,00mm, fluxo e moagem insatisfatórios, este processo, tal como estudado neste trabalho, foi considerado ineficiente na busca de trituração da espuma flexível de poliuretano, mantendo a necessidade de buscar ainda, em meio industrial, solucionar um problema de processo de reciclagem deste material.Palavras-chave: Espuma Flexível de Poliuretano. Moinho de facas. Capacidade. Granulometria. ABSTRACTThe need of to find ways to recycle materials those only were leave on the environment, brings the need in to know the viability of some processes in industrial scale, evaluating them not just financially form but technically to, by the use of commun, and cheaps, and easily maintenece equipements.Therefore, this paper aims to apply the grind process by knife mill to flexible polyurethane foams those don’t has a great variety of studys about their reduction particle size by processes in industrial scale. Using a knife mill, some foam burrs from the toilet seat fabrication were grinded, and the process capability, as much as the material granulometry, were quantitatively measured. The material flow into the knife mill and the grinder process were qualitatively evaluated. With a capability around 1 kg/h and a granulometry with 46,3% of the particules size around 2,01 to 4,00mm, and flow, and grind unsatisfactory, this process, in that way, was considerd inefficient in find a form of to grind flexible polyurethane foam, and it takes necessary, in industrial way, to solve a problem for reciclyng these kind of material.Keywords: Flexible polyurethane foam. Knife mill. Capability. Granulometry.
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Dissertations / Theses on the topic "Knife mill"

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Jafari, Naimi Ladan. "Experiments and modeling of size reduction of switchgrass in laboratory rotary knife mill." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/966.

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Biomass from forestry and agricultural sources has recently drawn a lot of attention as a new source of feedstock for energy and bio products. Size reduction is an important step in preparation of biomass as a feedstock. Each conversion process needs its own specific size or size distribution of particles. Modeling the size reduction process helps to optimize the design and control of the process while ensuring biomass particle sizes for an efficient biofuel conversion process. The objective of this study was to apply the population balance method for modeling the size reduction process. The model was applied to switchgrass size reduction by a grinder. Two population balance parameters, grinding rate (s⁻¹) and breakage distribution function (dimensionless) were estimated using experimental grinding data. The time dependent balance equations were solved using the Euler technique. The accumulation and depletion of the particles belonging to each size category were simulated as a function of time. The simulation predicted the residence time of particles inside the grinder in a way that the ground particles could meet the size and size distribution specifications for the downstream process. The thesis also describes preliminary steps in size reduction. Ground particles were fractionated based on their size by sieving. Weibull distribution was found to be the best probability density function to fit the data.
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Book chapters on the topic "Knife mill"

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Eliot, George. "Chapter V: Tom Applies His Knife to the Oyster." In The Mill on the Floss. Oxford University Press, 2015. http://dx.doi.org/10.1093/owc/9780198707530.003.0029.

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Eliot, George. "CHAPTER VI: Tending to Refute The Popular Prejudice Against the Present of a Pocket-Knife." In The Mill on the Floss. Oxford University Press, 2015. http://dx.doi.org/10.1093/owc/9780198707530.003.0030.

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In That dark time of December, the sale of the household furniture lasted beyond the middle of the second day. Mr Tulliver, who had begun, in his intervals of consciousness, to manifest an irritability which often appeared to have as a direct effect the...
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Conference papers on the topic "Knife mill"

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Venkata Sambasiva Prasad Bitra, Alvin Ray Womac, Igathinathane Cannayen, Petre I Miu, Yuechuan T Yang, and Shahab Sokhansanj. "Comminution Energy Consumption of Biomass in Knife Mill and its Particle Size Characterization." In 2009 Reno, Nevada, June 21 - June 24, 2009. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2009. http://dx.doi.org/10.13031/2013.26987.

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Ladan J.Naimi, Shahab Sokhansaj, Xiaotao Bi, C.Jim Lim, Mohammad Emami, PakSui Lam, and Alvin R Womac. "Development of population balance model and its application to grinding switchgrass in a knife mill." In 2008 Providence, Rhode Island, June 29 - July 2, 2008. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2008. http://dx.doi.org/10.13031/2013.25194.

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