Relevant bibliographies by topics / Medium pressure boilers

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Medium pressure boilers'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Medium pressure boilers"

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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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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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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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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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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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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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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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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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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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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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Dissertations / Theses on the topic "Medium pressure boilers"

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Lee, Chen-Li, and 李建利. "Reduction of Nitrogen Oxides Emissions of a Medium-pressure Boiler through hydrogen-rich Fuel Control." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/34120455828592370230.

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碩士<br>國立高雄第一科技大學<br>環境與安全衛生工程所<br>93<br>A study through different fuel oil(F.O)/ hydrogen-rich refinery gaseous(R.G) feeding ratio as operation variables via a 130 ton/hr medium-pressure boiler in a full-scale plant was carried out to probe into their influence on nitrogen oxides, boiler outlet temperature, flue outlet temperature, O2 volume in excess air and flow rate of flue gas. The mission was to find the best operation conditions for establishing a system that saves energy and with less nitrogen oxides emission, and also to provide a highly efficient as well as environmental friendly co
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Conference papers on the topic "Medium pressure boilers"

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Dominguez, Veronica A., Roberto Tedesco, and Pablo G. Peña. "Analysis of Steam Superheater Tubes Failures of Medium-Pressure Boilers." In CORROSION 2008. NACE International, 2008. https://doi.org/10.5006/c2008-08433.

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Abstract This paper describes the analysis of recurrent failures experienced on 1%Cr – ½%Mo steam superheater tubes of two boilers at an oil refinery. In all cases, metallurgical analysis of failed tubes has shown overheating of material, high temperature oxidation, bulging, cracks and creep degradation as a result of internal deposits on tube wall. Chemical analysis of deposits samples has determined the presence of sodium sulfate attributable to boiler water carryover to the superheater. To determine the root cause, a comprehensive assessment of actual boiler conditions was carried out, cons
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Shimura, Y., K. Uchida, T. Sato, and S. Taya. "The Performance of New Volatile Oxygen Scavenger and Its Field Application in Boiler Systems." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00327.

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Abstract Dissolved oxygen in feedwater contributes to corrosion in boiler systems. Corrosion products in feedwater, which are carried from the feedwater and condensate lines, cause scale problems, especially in high/medium pressure boilers. 1-Aminopyrrolidine has been developed as a new oxygen scavenger, in place of hydrazine, for the removal of dissolved oxygen in feedwater and to inhibit corrosion in boiler systems. Its dosage required for oxygen scavenging is much smaller than those of existing non-hydrazine oxygen scavengers. The corrosion inhibition effect of the new oxygen scavenger is c
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Rumpf, Regis R. "Update on the Application of Methyl Ethyl Ketoxime for Corrosion Control in High Pressure Steam Generating Systems." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92147.

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Abstract The minimization of dissolved oxygen in an industrial steam generating system is critical to the continued operation of the facility. Even trace levels of oxygen in the boiler feedwater can promote rapid pitting failures of ferrous metals. The subsequent transport and deposition of such corrosion products to the boiler can ultimately lead to a reduction in heat transfer efficiency, underdeposit corrosion, overheating of tubes, and possible failure. While mechanical deaeration of the boiler feedwater will remove the majority of the dissolved oxygen present, there is still a readily app
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Feng, Weizhong. "Generalized Regeneration Theory and its Energy Saving and Emission Reduction Effects on Coal-Fired Power Generation." In ASME 2016 Power Conference collocated with the ASME 2016 10th International Conference on Energy Sustainability and the ASME 2016 14th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/power2016-59166.

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Concerns related to global warming and environmental pollution concerns have pressured coal-fired power plants to improve efficiency and reduce emissions. However, the conventional efficiency improvement methods — increasing steam pressure and temperature and reducing condenser pressure are limited by material technology and the temperature of the available cooling medium. The next step for increasing efficiency would be to add additional reheat or regenerative cycles, but this is not feasible for existing plants. In addition, as the share of renewable energy and the grid’s demands on the coal
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Tuurna, Satu, Rami Pohja, Sanni Yli-Olli, and Sami Penttilä. "Supercritical Water Oxidation and Creep Behaviour of Boiler Tube Materials." In AM-EPRI 2016, edited by J. Parker, J. Shingledecker, and J. Siefert. ASM International, 2016. http://dx.doi.org/10.31399/asm.cp.am-epri-2016p0924.

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Abstract High efficiency in power generation is not only desirable because of economical reasons but also for enhanced environmental performance meaning reduced quantity of forming ash and emissions. In modern medium to large size plants, improvements require supercritical steam values. Furthermore, in future there will be an increasing share of renewables, such as wind and solar power, which will enhance the fluctuation of supply with the consequence that other power sources will have to compensate by operating in a more demanding cyclic or ramping mode. The next generation plant will need to
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Bunton, Mark A. "Pressure Pulse Technology for Boiler Cleaning." In 17th Annual North American Waste-to-Energy Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/nawtec17-2319.

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Steam or compressed air continue to be the typical cleaning mediums for long retractable (IK) sootblowers used to clean the convection section of the boiler. Advancements in steam/air nozzle technology have lead to improved cleaning in areas such as the secondary superheater, but due to issues with boiler tube erosion, advanced nozzles have not been routinely used in the convection section. Boiler tube erosion and the resulting forced outages due to tube leaks have consistently been an operational issue for many boilers. Sonic cleaning has offered the hope of cleaning without tube erosion, but
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Walker, Adam P., and Andrea L. Mack. "Evaluation of the Simplified Assessment Peak Equivalent Stress Design Limit Probability of Failure." In ASME 2024 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/pvp2024-123465.

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Abstract The ASME Boiler and Pressure Vessel Code Section III Division 5 Subsection HH Subpart A (HHA) outlines requirements and qualification methods for graphite core components in high temperature reactor environments. One such structural qualification method is the Simplified Assessment outlined in HHA-3220, which represents a comparison of service level specific equivalent stresses to allowable stress values derived from target probability of failures (POFs). The target POF is based on the structural reliability class (SRC) for the components and service condition of interest, and is used
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Guo, Cong, Xiaoze Du, Yingyan Zhou, Lijun Yang, and Yongping Yang. "Supercritical CO2 Rankine Cycle Using Low and Medium Temperature Heat Sources." In ASME 2013 7th International Conference on Energy Sustainability collocated with the ASME 2013 Heat Transfer Summer Conference and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/es2013-18398.

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Recovery of industrial waste heat is significant to both energy saving and emission reduction. In the present paper, two types of supercritical CO2 Rankine cycles with and without internal heat exchanger (IHX) are integrated for analyzing the performance of low and medium temperature industrial heat recovery. Cycles were simulated with Aspen software, by which the influences of the initial temperature, initial pressure and temperature of cooling water were observed. The results indicate that cycle efficiency and net output work increase with growth of initial temperature, yet they fell as temp
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Chodkiewicz, Ryszard, Jerzy Porochnicki, and Bazyli Kaczan. "Steam–Gas Condensing Turbine System for Power and Heat Generation." In ASME Turbo Expo 2001: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-gt-0097.

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This study deals with new internal combustion turbine power systems in which a steam-gas mixture is the working medium. Heat is delivered to the system by injecting gaseous fuel and steam into the combustion chamber. Unlike in STIG systems, the fluid expansion in the turbine is much deeper (much below the atmospheric pressure) and the exhaust gas is cooled in a heat exchanger-condenser in such a manner that a significant amount of water can be recovered. The non-condensing gases (CO2 + N2 + rest of O2) from the exhaust fluid are compressed, after additional cooling, and discharged into the atm
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Hofstädter, A., H. U. Frutschi, and H. Haselbacher. "Effects of Steam Reheat in Advanced Steam Injected Gas Turbine Cycles." In ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-584.

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Steam injection is a well-known principle for increasing gas turbine efficiency by taking advantage of the relatively high gas turbine exhaust temperatures. Unfortunately, performance is not sufficiently improved compared with alternative bottoming cycles. However, previously investigated supplements to the STIG-principle — such as sequential combustion and consideration of a back pressure steam turbine — led to a remarkable increase in efficiency. The cycle presented in this paper includes a further improvement: The steam, which exits from the back pressure steam turbine at a rather low tempe
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