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Journal articles on the topic 'Medium pressure boilers'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Bezhan, V. A., V. M. Zhytarenko, and P. Dalakov. "Energy Characteristics of Medium Pressure Steam Boilers." Journal of Engineering Sciences 7, no. 2 (2020): F8—`F14. http://dx.doi.org/10.21272/jes.2020.7(2).f2.

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The object of this study is the thermal and energy characteristics of medium pressure boilers of СНPP-1, four boilers CKTI-75/39F-2-4 and two boilers TP-150-2. All boilers operate on a common steam collector of 32 atm, at 420 °С. Fuel is a mixture of blast furnace gas and natural gas in the ratio of 0.7-0.9 volume particles. The characteristics of the blast furnace gas are not constant: the elemental composition, humidity, and dustiness of blast furnace gas change significantly. Analysis of operation of CHPP-1 medium pressure boilers of OJSC “Mariupol Metallurgical Combinat named after P. G. I

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2

Hendrawan, Andi, and Lusiani. "Pengujian Boiler untuk Pembangkit Listrik Tenaga Panas Laut." Saintara : Jurnal Ilmiah Ilmu-Ilmu Maritim 6, no. 1 (2022): 1–5. http://dx.doi.org/10.52475/saintara.v6i1.137.

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Energy needs are one of the reasons why research on renewable energy is the choice. One of the renewable energies is OTEC (ocean thermal energy conversion) with sea surface heat being an energy source and boilers being a medium for converting heat energy into motion energy so that in the end it becomes electrical energy. Boilers are a vital part of a generator, so boiler testing is a requirement for a generator. The research was carried out by experiment by testing the boiler with various temperatures and pressures so as to produce output power. The results show that temperature and pressure a

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3

Volodymyr, Zhitarenko, Bejan Volodymyr, and Оstapenko Oleksij. "ADAPTATION OF MATHEMATICAL MODEL OF HEAT AND ENERGY CHARACTERISTICS OF MEDIUM PRESSURE BOILERS TO REAL OPERATING CONDITIONS." TECHNOLOGY AUDIT AND PRODUCTION RESERVES 4, no. 1 (54) (2020): 23–30. https://doi.org/10.15587/2706-5448.2020.210540.

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The object of this research is the thermal and energy characteristics of medium-pressure boilers at the thermal power plant of a metallurgical plant operating on a common steam header. The fuel used is a mixture of blast fur-nace and natural gases. The vo lume fraction of blast furnace gas is 80–95 %. The characteristics of blast-furnace gas are not constant: the elementary composition, humidity and dust content change significantly. The mathematical model developed for the purpose of comprehensive optimization of the modes of joint operation of boilers requires adaptation of the energy

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4

Yegoshina, O. V., S. K. Lukutina, M. D. Grigoriev, and A. O. Ivanova. "Modeling of saturated steam selection methods at various medium pressures." E3S Web of Conferences 389 (2023): 01057. http://dx.doi.org/10.1051/e3sconf/202338901057.

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The article presents the results of modeling methods for selecting saturated steam at different pressures in low, medium, and high-pressure boilers. The aim of the research is to identify the cause of a violation of the representativeness of the sample by modeling the selection of saturated steam by three selection structures at different pressures. The main requirements for sampling devices are considered, including: optimization of the design of the device for sampling saturated steam, observance of isokinetic sampling, and minimization of abrupt changes in pressure and temperature of the sa

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5

Ukpaka, Chukwuemeka Peter, Kenneth Eze Orie, Blessing Dike, and Onyebuchi Nelson Igbogidi. "Development of Mathematical Model to Predict a Cascade Control of temperature in a boiler." Journal of Scientific and Engineering Research 8, no. 2 (2021): 140–52. https://doi.org/10.5281/zenodo.10575924.

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<strong>Abstract </strong>Boilers are an integral part of process plants as they are used to produce steam of different grades (Low pressure, medium pressure and high pressure steam) which are used for a variety of heating purposes or for reactions such as steam reforming. However, to obtain steam of these grades, the use of cascade controller: where the output variable (temperature) adopting a slave master approach. In this work, we have been able to derive a mathematical model to predict the effect of a cascade controller on the process variable (temperature of a boiler system). The result o

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6

Hariana, A. Prismantoko, H. P. Putra, et al. "Characteristics of low-rank and medium-rank Indonesian coal using the TG-DSC method." IOP Conference Series: Earth and Environmental Science 882, no. 1 (2021): 012031. http://dx.doi.org/10.1088/1755-1315/882/1/012031.

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Abstract Low-rank and medium-rank coal are dominant coal resources in Indonesia. Considering the decisive role of coal in coal-fired power plants, it is crucial to examine the combustion characteristics before burning coal in the boiler. This paper presents the effect of moisture content, heating value, and volatile matter on ignition temperature and burn out of five samples of low-rank coal and five samples of medium-rank coal using TG-DSC analysis which was carried out using LINSEIS High-Pressure STA at atmospheric pressure with an air rate of 25 ml/min and heating rate of 10 °C/min. The inv

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7

Mazurenko, A., A. Klymchuk, G. Pozdniakova, A. Pustovit, and V. Shavrov. "PROBLEMS OF RELIABLE HEAT SUPPLY PROVIDING IN THE CONDITIONS OF NON-GUARANTEED ELECTRICITY SUPPLY TO HEAT-GENERATING ENTERPRISES." Odes’kyi Politechnichnyi Universytet Pratsi 1, no. 69 (2024): 23–31. http://dx.doi.org/10.15276/opu.1.69.2024.03.

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The paper analyzes the current state of centralized heat supply systems. Considered problems that arise when the power supply is turned off for a longer period of time. For example, due to natural disasters or the destruction of power stations, substations and networks. An analysis of the consequences of long-term shutdowns of centralized heat supply sources in the winter period at extremely low temperatures, which leads to the failure of the main and auxiliary equipment, heat networks and domestic heating systems, was carried out. Considered several real options for reservation or full self-s

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8

Yan, Wuwu, and Xiaoling Hao. "CFD simulation study of a biomass pellet-fuelled boiler." Journal of Physics: Conference Series 2584, no. 1 (2023): 012023. http://dx.doi.org/10.1088/1742-6596/2584/1/012023.

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Abstract Biomass energy is an important substitute for fossil energy. Direct combustion of biomass in the boiler has the problem of high emissions. In this paper, a 0.1 t/h biomass atmospheric pressure hot water boiler is used for CFD modeling, aiming at providing a low-cost and high-efficiency way for the study of biomass boilers. In this paper, the biomass pyrolysis process is divided into three processes: water evaporation, devolatilization, and coke combustion. Using the UDF function combined with a porous medium model to write code, the gas-solid combustion process in the boiler is realiz

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9

Phillips, A. L., and A. Pearson. "Co-Generation Energy Centres in Diverse Production Facilities." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power Engineering 203, no. 1 (1989): 43–57. http://dx.doi.org/10.1243/pime_proc_1989_203_006_02.

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This paper gives a review of applications within the Unilever Group, including plants in operation and studies that did not result in implementation, discusses the development of Unilever's Mersey side site and gives a review of Unilever's recently completed remodelling of the Merseyside Power Station, Port Sunlight, including the financial case, how it is put into practice and operating experience. The oil-fired high-pressure boilers/backpressure steam turbines station now incorporates a 105 tonne/h, 103 bar, 510°C, spreader stoker coal-fired boiler and a 9.5 MWe heavy fuel oil-burning medium

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10

Yegoshina, O. V., and S. K. Zvonareva. "Investigation of the saturated steam sampling method influence on the sample representativeness in chemical control systems at thermal power plants." Journal of Physics: Conference Series 2088, no. 1 (2021): 012052. http://dx.doi.org/10.1088/1742-6596/2088/1/012052.

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Abstract The most important requirement for sampling is the sample representativeness, which is achieved by the design and location choice of sample nozzle, as well as the speed mode and the presence of sharp pressure drops in the saturated steam flow. The Ansys CFX software package simulates the sampling processes saturated steam in power units with low, medium and high pressure boilers which are used on operating thermal power plants. The saturated steam was sampled from low-pressure boiler by a single-strip probe with a Venturi nozzle, from the medium-pressure boiler was sampled by tapping

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11

Lošák, Pavel, Tomáš Létal, Jiří Buzík, and Martin Naď. "Evaluation of the technical condition of medium-sized boilers." MATEC Web of Conferences 157 (2018): 02026. http://dx.doi.org/10.1051/matecconf/201815702026.

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The recent trend in the steam and electricity production has been both to increase the efficiency of the facility and to keep tightening legislation concerning emission limits. The lifetime of energy equipment is greatly influenced by the operating temperature, pressure and operating characteristics. The new conditions lead the operator to more often changes of these parameters, which has negative influence to the facility in terms of service life. Precise knowledge of the facility being operated and the ability to predict the residual life of its key parts in time is therefore necessary. A ne

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12

Setiyawan, Muhammad Fathorros. "ANALISA RISIKO KESELAMATAN DAN KESEHATAN KERJA PADA DIVISI BOILER DI PT.DAP." JISO : Journal of Industrial and Systems Optimization 4, no. 1 (2021): 48. http://dx.doi.org/10.51804/jiso.v4i1.48-54.

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ABSTRAK PT.DAP merupakan perusahaan manufaktur yang memproduksi kertas serta menggunakan boiler dalam proses produksinya, Namun, belum ada penerapan manajemen K3 pada divisi boiler secara optimal. Hal ini menyebabkan terjadinya beberapa kecelakan kerja serta mengganggu kesehatan pekerja terutama pada divisi boiler. Pengolahan data pada penelitian ini menggunakan metode HIRARC kemudian hasilnya akan diterapkan pada metode lembar job safety analysis (JSA). Dari hasil penelitian diperoleh 24 sumber bahaya dan terdapat 103 kasus kecelakaan dari 27 jenis kecelakaan yang berbeda pada boiler, dimana

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13

Lin, Chen-Kuang, Guang-Jer Lai, Yoshiyuki Kobayashi, Masahiro Matsuo, and Min-Chie Chiu. "An Isothermal Steam Expander for an Industrial Steam Supplying System." Mathematical Problems in Engineering 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/794210.

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Steam is an essential medium used in the industrial process. To ensure steam quality, small and middle scale boilers are often adopted. However, because a higher steam pressure (compared to the necessary steam pressure) is generated, the boiler’s steam pressure will be reduced via a pressure regulator before the steam is directed through the process. Unfortunately, pressure is somewhat wasted during the reducing process. Therefore, in order to promote energy efficiency, a pressure regulator is replaced by a steam expander. With this steam expander, the pressure will be transformed into mechani

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14

Agraniotis, Michalis, Sotirios Karellas, Ioannis Violidakis, Aggelos Doukelis, Panagiotis Grammelis, and Emmanuel Kakaras. "Investigation of pre-drying lignite in an existing Greek power plant." Thermal Science 16, no. 1 (2012): 283–96. http://dx.doi.org/10.2298/tsci110509120a.

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The application of lignite pre-drying technologies in next generation of lignite power plants by utilizing low pressure steam as a drying medium instead of hot recirculated flue gas - combined with thermal utilization of the vaporized coal moisture - is expected to bring efficiency increase of 2-4 percentage points in future lignite power plants compared with today?s state of the art. The pre-drying concept is of particular importance in Greek boilers firing lignite with a high water and ash content. The combustion of Greek predried lignite has been investigated experimentally and via numerica

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15

Gao, Jun, Hao Chen, Tianlong Li, Xin Qiao, Xinai Guo, and Shida Shi. "Leakage of water-cooled wall tube in subcritical boiler." Journal of Physics: Conference Series 2760, no. 1 (2024): 012052. http://dx.doi.org/10.1088/1742-6596/2760/1/012052.

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Abstract Usually, heating surfaces used in thermal power plant boilers include economizers, water-cooled walls, superheaters, and reheaters, abbreviated as the “four tubes” of boilers. The leakage of the heating surface is a common form of unplanned shutdown in thermal power plants, accounting for more than 50% of abnormal shutdown accidents of units. Once the heating surface explosion occurs, the thermal power plant needs to shut down for treatment, resulting in huge losses in power generation and fuel consumption during startup and shutdown. This has a huge impact on the safety production an

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16

Zhumalieva, Altynai, Balzhan Bakhtiyar, Maksim Korobkov, Algazy Zhauyt, and Gulzhamal Tursunbayeva. "CLEANING OF WATER SUPPLIED TO THERMAL POWER PLANTS AND BOILERS." Вестник КазАТК 124, no. 1 (2023): 397–403. http://dx.doi.org/10.52167/1609-1817-2023-124-1-397-403.

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Water purification methods are considered. Parallel and block ways of water preparation for low and medium pressure boilers, its advantages and disadvantages are written. Treatment of feed water with an industrial filter is carried out using parallel and systematic cation schemes h, Na. The specific consumption of sulfuric acid was determined using RD 34.10.414 – 88 and RD 34.10.415 – 88. Calculations were made depending on the thickness of the sediment.

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Salsabila Alattas, Syarifah, P. Dwikora Simanjuntak, Capt Suhartini, and Imam Fahcruddin. "Maintenance of Steam Bottle Water to Keep Operational Auxiliary Steam Bottles on The Mv. Ile De Re." International Journal of Advanced Multidisciplinary 2, no. 2 (2023): 595–97. http://dx.doi.org/10.38035/ijam.v2i2.307.

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Various types of marine vessels require fuel to drive the main engine and auxiliary engines. The fuel requires hot steam as a heater so that the fuel reaches the appropriate temperature, not only fuel but hot steam is also needed for the accommodation space on the ship. The steam boiler is a closed vessel that can produce hot steam with a pressure greater than one atmosphere, to be able to produce hot steam, a heated medium is needed, namely fresh water. The water used in the steam generation process greatly affects the condition of the boiler. Therefore, the quality of water in the boiler mus

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18

Dong, Yuliang, Songyuan Yu, Chengbing He, Qingbin Yu, and Fang Fang. "Optimal Multi-Mode Flexibility Operation of CHP Units with Electrode Type Electric Boilers: A Case Study." Energies 15, no. 24 (2022): 9337. http://dx.doi.org/10.3390/en15249337.

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With the in-depth development of flexibility retrofit in combined heat and power (CHP) units, the unit commitment mode of energy supply equipment in CHP plants is more flexible. This paper presents a multi-mode flexible operation method for CHP plants with electrode electric boilers. Firstly, a simulation model of the operation characteristics of each unit in different operation modes is established, and the corresponding features of electrical and thermal outputs are obtained. Subsequently, a decision-making model of the unit commitment mode of energy supply equipment is set up, and the selec

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19

Zhitarenko, Volodymyr, Volodymyr Bejan, and Oleksij Оstapenko. "Adaptation of mathematical model of heat and energy characteristics of medium pressure boilers to real operating conditions." Technology audit and production reserves 4, no. 1(54) (2020): 23–30. http://dx.doi.org/10.15587/2706-5448.2020.210540.

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20

Obodovych, O. M., V. V. Sydorenko, B. Y. Tselen, and T. A. Rezakova. "METHOD OF REDUCING WATER HARDNESS SALTS AND HEAT AND MASS EXCHANGE EQUIPMENT FOR ITS IMPLEMENTATION." Thermophysics and Thermal Power Engineering 49, no. 2 (2023): 87–94. http://dx.doi.org/10.31472/ttpe.2.2023.10.

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Thousands of steam and water boilers of medium and low parameters operate in the country's industry, municipal energy, and agriculture. Their reliable work is largely determined by maintaining a rational water-chemical regime. Dissolved impurities that affect the operation of boiler equipment primarily include hardness salts. When using hard water, scale is formed on the surfaces, heat transfer deteriorates, and pipes are overheated from the heating side, which can lead to their destruction. The purpose of the work is to improve the quality of softened water, reduce the consumption of re

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21

Arsirii, V. A., and P. M. Ryabokon. "IMPROVING THE PERFORMANCE OF BOILER PLANTS DUE TO THE USE OF DIRECT AND REVERSE RANKIN CYCLES." Modern construction and architecture, no. 3 (March 30, 2023): 90–97. http://dx.doi.org/10.31650/2786-6696-2023-3-90-97.

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To generate electricity from biofuels at heat and power enterprises of Ukraine, the direct Rankine cycle is used, which ensures the efficiency of energy transformation within  = 0.25-0.55. To improve the efficiency of fuel energy, use in boiler plants, it is also proposed to implement a reverse Rankine cycle scheme. Such a proposal is good to use in enterprises where there is a need for drying biomaterials. Instead of a separate boiler for drying processes, it is proposed to use the energy of water condensation from flue gases. In this case, the cost of electricity for the operation of the co

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22

S.Sathish1, &. P.Rakesh Chowdary2. "THERMAL ANALYSIS OF A HEAT EXCHANGER USING ANSYS." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES 5, no. 6 (2018): 235–41. https://doi.org/10.5281/zenodo.1302259.

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In this paper, an interpreted model for the investigation of thermal analysis of shell and tubes heat exchangers of water and oil type is proposed. Shell and Tube heat exchangers are having uncommon significance in boilers, pre-heaters, condensers, oil coolers. They are broadly utilized as a part of process applications and also the refrigeration and cooling industry. The strength and medium weighted state of Shell and Tube heat exchangers make them appropriate for high pressure operations. In this paper we have demonstrated to done the warm examination by utilizing hypothetical formulae for t

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23

Redko, Ihor, Yurii Burda, Yurii Pivnenko, Hanna Bilovol, Yevgeny Moskalyov, and Vadym Boyko. "NUMERICAL AND EXPERIMENTAL MODELING OF LOW-CALORIE GAS FUELS COMBUSTION PROCESSES." Collection of Scientific Works of the Ukrainian State University of Railway Transport, no. 202 (December 22, 2022): 6–15. http://dx.doi.org/10.18664/1994-7852.202.2022.273496.

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Methane, which is found in coal seams, has long been seen as an alternative to imported natural gas. Capturing that victorious methane can immediately increase the versatility of the production of footwear, increase the safety of the minds of the workforce, and change the negative impact to dovkillya. And yet, there are low technical and technological folds, which galmuyut the development of the type of bottle and utilization of methane.One of the main directions of extraction of coal mine methane is the generation of thermal energy in boiler houses and other heat generators. However, this typ

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24

Castañeda-Escobar, Lizbeth Angelica, María Graciela Hernández-Orduña, Liliana Lara-Capistrán, and Verónica Pulido-Herrera. "Analysis of Disinfection in Greenhouse Soils with Medium-Temperature Steam Produced by Solar Energy." Applied Sciences 13, no. 19 (2023): 11055. http://dx.doi.org/10.3390/app131911055.

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The soils of agricultural crops begin to suffer from arvenses and pathogens that are harmful to new crops after going through several production cycles. The chemical control of these pathogens is carried out through fumigants, which are applied at doses necessary to reduce the infectious potential at levels acceptable for crops. However, this may affect the biological, physical and chemical environment of the soil and, at the same time, the crops due to the toxic residues of these fumigants. In this work, the analysis of the pasteurization process of greenhouse soils sown with saladette tomato

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Bezhan, Vladimir, and Vladimir Zhitarenko. "Modeling and Analysis of Energy Efficiency Parameters of Medium Pressure Boilers Using a Mixture of Natural and Blast Furnace Gases Taking into Account Air Intakes." NTU "KhPI" Bulletin: Power and heat engineering processes and equipment, no. 2 (December 30, 2020): 32–39. http://dx.doi.org/10.20998/2078-774x.2020.02.05.

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26

Appaji, Sai Charan. "SIMULATION ANALYSIS OF SHELL AND TUBE HEAT EXCHANGER USING DIFFERENT FLUIDS." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 04 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem31616.

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There are many models to characterize the behavior of the heat exchangers encountered in many industries. There are several correlations available, so that the heat transferred and the thermal stresses can be evaluated. Shell and Tube heat exchangers are having special importance in boilers, oil coolers, condensers, and pre -heaters. They are also widely used in process applications as well as the refrigeration and air conditioning industry. The robustness and medium weighted shape of Shell and Tube heat exchangers make them well suited for high pressure operations. The present work deals with

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27

TRAN, HONGHI, and DANNY TANDRA. "Recovery boiler sootblowers: History and technological advances." January 2015 14, no. 1 (2015): 51–60. http://dx.doi.org/10.32964/tj14.1.51.

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Sootblowing technology used in recovery boilers originated from that used in coal-fired boilers. It started with manual cleaning with hand lancing and hand blowing, and evolved slowly into online sootblowing using retractable sootblowers. Since 1991, intensive research and development has focused on sootblowing jet fundamentals and deposit removal in recovery boilers. The results have provided much insight into sootblower jet hydrodynamics, how a sootblower jet interacts with tubes and deposits, and factors influencing its deposit removal efficiency, and have led to two important innovations:

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Kemény, Dávid Miklós, and Dorina Kovács. "The Effect of Welding Parameters on the Corrosion Resistance of Austenitic Stainless Steel." Periodica Polytechnica Mechanical Engineering 66, no. 2 (2022): 151–57. http://dx.doi.org/10.3311/ppme.19568.

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Electricity produced in power plants is essential in our everyday life. In general, the energy transfer takes place after processing the energy source in boilers or steam generators. Steam is generated through this process, that operates the turbines and they generate electricity through the generators. As such equipment operates in a high pressure, corrosive and high temperature environment, these circumstances may damage the tubes in the heat exchangers. Our research examines the potential of corrosion of heat exchanger tubes after welding. The typical corrosion process is pitting. The corro

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KEISER, JAMES R., W. B. A. SANDY SHARP, DOUGLAS A. SINGBEIL, LAURIE A. FREDERICK, and CURTIS CLEMMONS. "Performance of alternate superheater materials in a potassium-rich recovery boiler environment." TAPPI Journal 12, no. 7 (2013): 45–56. http://dx.doi.org/10.32964/tj12.7.45.

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One method to significantly improve the efficiency of biomass-fired boilers is to increase the temperature and pressure of the steam generated. However, this requires operating the superheater tubes at considerably higher temperatures than can be tolerated by conventional structural materials. The limiting temperature for conventional materials is primarily determined by corrosion of the superheater tubes that is promoted by interaction with the relatively low melting point deposits that accumulate on the tubes. An air-cooled deposit probe was used to collect samples of the deposits that accum

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BELISÁRIO, A. B., A. EDBERG, M. BJÖRK, G. M. ALMEIDA, and E. K. VAKKILAINEN. "On the diagnosis of a fouling condition in a kraft recovery boiler: combining process knowledge and data-based insights." March 2023 22, no. 3 (2023): 162–71. http://dx.doi.org/10.32964/tj22.3.162.

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Fouling is still a major challenge for the operation of kraft recovery boilers. This problem is caused by accumulation of ash deposits on the surfaces of heat exchangers in the upper part of the boiler over time. The first consequence is the reduction of steam production due to loss of heat transfer and, finally, the shutdown of the boiler due to clogging. The present work investigated the operational condition of a modern kraft boiler under a critical fouling condition. This boiler had even faced a manual cleaning due to a clogging event. This analysis combined process knowledge, plant team e

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Temuujin, Jadambaa, Damdinsuren Munkhtuvshin, and Claus H. Ruescher. "The Latest Research in Mongolia on the Utilization of Coal Combustion By-Products." Solid State Phenomena 323 (August 30, 2021): 8–13. http://dx.doi.org/10.4028/www.scientific.net/ssp.323.8.

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With a geological reserve of over 170 billion tons, coal is the most abundant energy source in Mongolia with six operating thermal power stations. Moreover, in Ulaanbaatar city over 210000 families live in the Ger district and use over 800000 tons of coal as a fuel. The three thermal power plants in Ulaanbaatar burn about 5 million tons of coal, resulting in more than 500000 tons of coal combustion by-products per year. Globally, the ashes produced by thermal power plants, boilers, and single ovens pose serious environmental problems. The utilization of various types of waste is one of the fac

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SAARI, JUSSI, JUHA KAIKKO, EKATERINA SERMYAGINA, et al. "Recovery boiler back-end heat recovery." March 2023 22, no. 3 (2023): 174–83. http://dx.doi.org/10.32964/tj22.3.174.

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Sustainability and efficient use of resources are becoming increasingly important aspects in the operation of all industries. Recently, some biomass-fired boilers have been equipped with increasingly complex condensing back-end heat recovery solutions, sometimes also using heat pumps to upgrade the low-grade heat. In kraft recovery boilers, however, scrubbers are still mainly for gas cleaning, with only simple heat recovery solutions. In this paper, we use process simulation software to study the potential to improve the power generation and energy efficiency by applying condensing back-end he

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33

Matsuda, Takao. "The World Largest Soda Recovery Boilers: Generating High Pressure and High Temperature Steam. KAWASAKI KJ type recovery boiler." JAPAN TAPPI JOURNAL 51, no. 1 (1997): 134–39. http://dx.doi.org/10.2524/jtappij.51.134.

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Chen, Xu Feng, Cui Hua Zhao, Jia Ming Zhou, and Hai Jing Shen. "The Application and Evaluation of the Heat Medium Heater in Changqing Oil Field Production." Applied Mechanics and Materials 291-294 (February 2013): 1653–56. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.1653.

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As a new type of heating equipment, the heat medium heater furnace overcomes the shortage of the traditional heating methods such as the boiler, heating furnace. Through the comparison and analysis of the field application between the heat medium heater, YQWP - 4000/1.6/220/180-QT, and steam boiler in a central gathering station of Changqing oil field, results indicated: in the condition of 0.3 MPa pressure and 200 °Ctemperature above, the heat medium heater is higher thermal efficiency, more safety and security than steam boiler, and it do not pollute the environment and significantly save en

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Kaczmarczyk, Tomasz Z., Grzegorz Żywica, and Eugeniusz Ihnatowicz. "The Experimental Investigation of the Biomass-Fired ORC System with a Radial Microturbine." Applied Mechanics and Materials 831 (April 2016): 235–44. http://dx.doi.org/10.4028/www.scientific.net/amm.831.235.

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The paper presents the results of experimental investigation of the ORC system with a droplet separator (which was used to improve the quality of working medium vapour), a radial microturbine and a multi-fuel boiler. The research aimed at verifying the correctness of prototype microturbine performance in the ORC installation, equipped with a heat source in the form of the multi-fuel boiler. During these tests, a detailed assessment of the functioning of the microturbine and the boiler has been devoted more attention. The paper contains the characteristics of the heat exchangers installation th

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Rassoul, G. A., and D. R. Rzaige. "EFFECT OF TEMPERATURE ON CORROSION OF CARBON STEEL BOILER TUBES IN DILUTE SODUIM CHLORIDE SOLUTION." Iraqi Journal of Chemical and Petroleum Engineering 9, no. 3 (2008): 33–35. http://dx.doi.org/10.31699/ijcpe.2008.3.5.

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The corrosion behavior of carbon steel at different Temperatures and in water containing different sodium chlorideconcentrations under 3 bar pressure has been investigated using weight loss method . The carbon steel specimens wereimmersed in water containing (100,400,700,1000PPM) of NaCl solution and under temperature was increased from(90-120ºC) under pressures of 3 bar. The results of this investigation indicated that corrosion rate increased with NaClconcentrations and Temperature.

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Jafar, Saad A., and Mohammed I. Fathi. "Reducing of Corrosion Rate in Boiler Tubes by Using Oxygen Scavengers." Iraqi Journal of Chemical and Petroleum Engineering 16, no. 4 (2015): 21–29. http://dx.doi.org/10.31699/ijcpe.2015.4.3.

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The corrosion behavior of carbon steel at different temperatures 100,120,140 and 160 Cͦ under different pressures 7,10 and 13 bar in pure distilled water and after adding three types of oxygen scavengers Hydroquinone, Ascorbic acid and Monoethanolamine in different concentrations 40,60 and 80 ppm has been investigated using weight loss method. The carbon steel specimens were immersed in water containing 8.2 ppm dissolved oxygen (DO) by using autoclave. It was found that corrosion behavior of carbon steel was greatly influenced by temperature with high pressure. The corrosion rate decreases, wh

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Sun, Yunfei, Hao Chen, and Feng Yun. "Cause analysis of corrosion and burst of water wall of utility boiler." Journal of Physics: Conference Series 2399, no. 1 (2022): 012031. http://dx.doi.org/10.1088/1742-6596/2399/1/012031.

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Abstract During the operation of a boiler in a power plant, the water wall tube burst and leaked. In order to find out the reason of tube rupture, a comprehensive experimental study was made on the sample with macro morphology, chemical composition, metallography, SEM and EDS. The results show that due to the high sulfur content in the combustion medium of the boiler, a large amount of sulfate containing sulfur elements will deposit on the outer wall of the water wall tube during the long-term operation. In the high temperature environment of the boiler, the thermal corrosion of sulfate deposi

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Qin, Zhi Ming, Ji Zhen Liu, Luan Ying Zhang, Jun Jie Gu, and Xiao Gang Xu. "The Analysis and Computing of Heat Storage in Drum Boiler." Applied Mechanics and Materials 278-280 (January 2013): 323–27. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.323.

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The heat storage capacity of the drum boiler plays an important role in the Coordination Control System (CCS) of units. The theoretical calculating method of the heat storage capacity is achieved through the mechanism analysis of the risers, drum and over-heater, which solves the problem of the traditional method effectively. The calculating results based on the units design data and the real running data shows that the heat storage capacity of saturation water and metal increases with the pressure decreasing, and the heat storage capacity of steam is same with pressure changes. The heat stora

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SANTOS, RICARDO B., and PETER W. HART. "Case study: Paper mill power plant optimization—balancing steam venting with mill demand." June 2020 19, no. 6 (2020): 317–21. http://dx.doi.org/10.32964/tj19.6.317.

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Most Power departments are tasked with generating steam to support mill wide operations, gener-ate electricity, and reduce operating costs. To accomplish these tasks, power boilers generate high pressure steam that is reduced to intermediate and low pressures for process utilization in the mill by means of steam turbine generator extraction or pressure reducing valves. The most economical method to reduce steam pressure is the use of steam turbine generators, as electricity is generated from the steam when it is reduced in pressure. Electricity that is produced by these generators provides a s

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Lee, Chien-li, Chih-Ju G. Jou, Huashan Tai, Chen-Hua Wang, Shih-Chieh Hsieh, and H. Paul Wang. "Reduction of Nitrogen Oxide Emission of a Medium-Pressure Boiler by Fuel Control." Aerosol and Air Quality Research 6, no. 2 (2006): 123–33. http://dx.doi.org/10.4209/aaqr.2006.06.0002.

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Ai, Xin. "Design of Medium-Pressure Industrial Natural Circulation Boiler Control System Based on PCS7." OALib 09, no. 03 (2022): 1–17. http://dx.doi.org/10.4236/oalib.1107586.

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Hong, Wen Peng, and Xing Zhao. "Safety Assessment of Boiler Water Circulation." Applied Mechanics and Materials 535 (February 2014): 176–79. http://dx.doi.org/10.4028/www.scientific.net/amm.535.176.

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This research develops a detection system which is aimed at how to find and deal with the water cycle problem of utility boiler. We utilize the distributed data acquisition detection technique which uses configuration software in Windows XP system as the development platform. It is fully used the compatibility and convenience of the configuration software. This system can finish the calculation of many parameters, such as mass velocity, pressure differential, temperature, pressure of working medium in the water wall and temperature of the water wall. These data will be compared with the data o

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AMIRFAKHRI, SEYED JAVAD. "A feasibility study of using the organic Rankine cycle for power generation from the flue gases of recovery boilers." August 2022 21, no. 8 (2022): 405–13. http://dx.doi.org/10.32964/tj21.8.405.

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ABSTRACT: Almost 415 tons/h of flue gases with a temperature of 160°C are released to the atmosphere from the recovery boiler of a pulp mill with capacity of 1000 air dried (a.d.) metric tons of pulp per day. This is a large waste heat stream that can be used to generate power, to decrease the operating costs of a pulp mill, and to save carbon dioxide (CO2) emissions. In this work, the feasibility of using an organic Rankine cycle (ORC) with ammonia as the working fluid to generate power from the flue gases of recovery boilers is studied. CHEMCAD and Taguchi methods are used for simulation of

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Kotowicz, Janusz, and Aleksandra Dryjańska. "Supercritical power plant 600 MW with cryogenic oxygen plant and CCS installation." Archives of Thermodynamics 34, no. 3 (2013): 123–36. http://dx.doi.org/10.2478/aoter-2013-0019.

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Abstract This article describes a thermodynamic analysis of an oxy type power plant. The analyzed power plant consists of: 1) steam turbine for supercritical steam parameters of 600 °C/29 MPa with a capacity of 600 MW; 2) circulating fluidized bed boiler, in which brown coal with high moisture content (42.5%) is burned in the atmosphere enriched in oxygen; 3) air separation unit (ASU); 4) CO2 capture installation, where flue gases obtained in the combustion process are compressed to the pressure of 150 MPa. The circulated fluidized bed (CFB) boiler is integrated with a fuel dryer and a cryogen

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Milovanovic, Zdravko, Svetlana Dumonjic-Milovanovic, Aleksandar Milasinovic, and Darko Knezevic. "Efficiency of operation of 300 MW condensing thermal power blocks with supercritical steam parameters in sliding pressure mode." Thermal Science 22, Suppl. 5 (2018): 1371–82. http://dx.doi.org/10.2298/tsci18s5371m.

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The previous research of the application of sliding pressure has shown certain advantages in the operation of high-power condensing blocks with supercritical steam parameters in sliding pressure mode in comparison to the one with constant pressure. The maintenance of stable temperature regime and thermal expansion of turbine elements, prolongation of service life of materials of steam pipes and heating surfaces of the boiler due to the decrease in pressure of the working medium are only some of those advantages. On the other hand, the operation mode of a condensing block with sliding pressure

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Kh. Haweel, Cecilia, and Janet Lazar. "CORROSION of BOILER TUBES in SOUTH BAGHDAD ELECTRIC STATION." Iraqi Journal of Chemical and Petroleum Engineering 11, no. 3 (2010): 1–7. http://dx.doi.org/10.31699/ijcpe.2010.3.1.

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The corrosion of low carbon steel boiler tubes in demi water had been investigated. The purpose of this investigation was to determine the change produced in corrosion behavior of the carbon steel as a result of the specific presence of chloride and copper ions in the water under different temperatures. For low carbon steel experiments, the temperature was taken in three levels (125, 175, and 215°C) under about 27 bar pressure and 1500 rpm in autoclave. Using weight loss technique, the corrosion rate ranges from (85 to 789 gmd) for low carbon steel boiler tubes.

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Hsieh, Shih-Chieh, and Chih-Ju G. Jou. "Reduction of greenhouse gas emission on a medium-pressure boiler using hydrogen-rich fuel control." Applied Thermal Engineering 27, no. 17-18 (2007): 2924–28. http://dx.doi.org/10.1016/j.applthermaleng.2006.10.003.

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Safitra, Arrad Ghani. "Analisa Pengaruh Bentuk Impingement Plate Terhadap Perpindahan Panas Pada Zona Desuperheating High Pressure Heater." Jurnal Teknik Mesin 14, no. 1 (2021): 11–15. http://dx.doi.org/10.30630/jtm.14.1.420.

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High Pressure Heater (HPH) are tools that used to improve the efficiency of boiler. HPH utilizes hot steam from turbine extraction as heating medium before entering into the economizer in boiler. In the industry, High Pressure Heater is one of the tools that includes a heat exchanger. To prevent from several problems, some of the industries applying a plate that called impingement plate. This plate placed on the shell side Steam inlet of High Pressure Heater with the function to protect the tube facing the directly the shell side input flow. To determine the effect of adding impingement plates

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Wang, Yarong, and Peirong Wang. "Analysis of thermodynamic process of water vapor in boiler." E3S Web of Conferences 252 (2021): 02043. http://dx.doi.org/10.1051/e3sconf/202125202043.

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In steam power plant, the working medium used for energy transformation is water vapor. The generation process of water vapor has experienced three stages: pre-heat, vaporization and superheat stage. There are five states in the process. They are sub-cooled liquid, saturated water, saturated liquid-vapour mixture, saturated vapor and superheated vapor. The thermodynamic properties of each state are usually obtained by using water vapor tables and charts. The constant pressure process of water vapor is very common in engineering application. In general, we first determine the state parameters b

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