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Author : Corey L. Cantrell
Publisher :
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.:/5 (228 download)
Download or read book Performance Modeling of a Pulverized Coal Boiler written by Corey L. Cantrell and published by . This book was released on 2007 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vivek V. Ranade
Publisher : CRC Press
ISBN 13 : 1482215357
Total Pages : 282 pages
Book Rating : 4.4/5 (822 download)
Download or read book Computational Modeling of Pulverized Coal Fired Boilers written by Vivek V. Ranade and published by CRC Press. This book was released on 2014-12-02 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Harness State-of-the-Art Computational Modeling Tools Computational Modeling of Pulverized Coal Fired Boilers successfully establishes the use of computational modeling as an effective means to simulate and enhance boiler performance. This text factors in how computational flow models can provide a framework for developing a greater understanding o
Author : N. Spitz
Publisher :
ISBN 13 : 9781607411840
Total Pages : 0 pages
Book Rating : 4.4/5 (118 download)
Download or read book Prediction of Performance and Pollutant Emission from Pulverized Coal Utility Boilers written by N. Spitz and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A three-step methodology was developed to provide reliable prediction of a coal's behaviour in a utility boiler: (1) Extracting the combustion kinetic model parameters by combining experimental data from a pilot-scale test facility, Computational Fluid Dynamic (CFD) codes and an artificial neural network. While the combustion kinetic parameters used in the model code will not correspond to the combustion rate of a single particle of coal, these parameters do describe the combustion behaviour of a "macroscopic" sample of tested coal.(2) Validation of the combustion kinetic model parameters by comparing diverse experimental data with simulation results calculated with the same set of model parameters. (3) The model parameters are then used for simulations of full-scale boilers using the same CFD code. For operational engineering information needed by the utility operator, the authors apply the predicted results to EXPERT SYSTEM, a boiler supervision system developed by Israel Electric Corporation (IEC). Four different bituminous and sub-bituminous coals with known behaviour in IEC 550MW opposite-wall and 575MW tangential-fired boilers were used to show the adequacy of the methodology. The predictions are done with the CFD code, GLACIER, propriety of Reaction Engineering International (REI). Preconfigured GLACIER models of the test and full-scale furnaces were purchased from REI and validated by our group. This book includes a detailed description of the methodology, test furnace facility and an example of the experimental and predictive combustion results from the four coals used to test the methodology. In addition, two previously unknown coals are examined prior to their firing in the utility boilers and prediction of their behaviour and operational parameters in the two boilers carried out.
Download or read book Source assessment written by and published by . This book was released on 1981 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Achim Wechsung
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128085525
Total Pages : 16 pages
Book Rating : 4.1/5 (28 download)
Download or read book 23 European Symposium on Computer Aided Process Engineering written by Achim Wechsung and published by Elsevier Inc. Chapters. This book was released on 2013-06-10 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: A dynamic model of a coal fired boiler is proposed to predict the formation of NOx during plant operation. Since evaluation of the model at hand should only take few minutes, computationally expensive CFD simulations are not feasible. Instead, it is proposed to represent the boiler as a network of ideal reactors. Gas phase reactions are modeled using a detailed kinetic mechanism; additional consideration is necessary for the heterogeneous reactions on char particles. In the reported preliminary case studies, radiative heat transfer is not considered.
Author : Henry Kreisinger
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.:/5 (31 download)
Download or read book An Investigation of Powdered Coal as Fuel for Power-plant Boilers written by Henry Kreisinger and published by . This book was released on 1923 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (683 download)
Download or read book Improving Pulverized Coal Plant Performance written by and published by . This book was released on 1995 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: A major deliverable of the U.S. Department of Energy (DOE) project ''Engineering Development of Advanced Coal-Fired Low-Emissions Boiler Systems'' (LEBS) is the design of a large, in this case 400 MWe, commercial generating unit (CGU) which will meet the Project objectives. The overall objective of the LEBS Project is to dramatically improve environmental performance of future pulverized coal fired power plants without adversely impacting efficiency or the cost of electricity. The DOE specified the use of near-term technologies, i.e., advanced technologies that partially developed, to reduce NO(subscript x), SO2 and particulate emissions to be substantially less than current NSPS limits. In addition, air toxics must be in compliance and waste must be reduced and made more disposable. The design being developed by the ABB Team is projected to meet all the contract objectives and to reduce emission of NO(subscript x), SO2 and particulates to one-fifth to one-tenth NSPS limits while increasing net station efficiency significantly and reducing the cost of electricity. This design and future work are described in the paper.
Author : United States. Environmental Protection Agency. Office of Energy, Minerals, and Industry
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.3/5 (91 download)
Download or read book Review of New Source Performance Standards for Coal-fired Utility Boilers: Economic and financial impacts written by United States. Environmental Protection Agency. Office of Energy, Minerals, and Industry and published by . This book was released on 1978 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.0/5 ( download)
Download or read book Slagging and Fouling in Pulverized-coal-fired Utility Boilers: A survey of boiler design practices for avoiding slagging and fouling written by and published by . This book was released on 1987 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Assessment of Pulverized Coal-fired Combustor Performance. First Quarterly Technical Progress Report written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this program is to provide the engineering tools necessary for an authoritative assessment of the performance of industrial furnaces firing pulverized coal. The program incorporates two experimental tasks and is constructed around an analytical task which will identify and upgrade the family of computer programs required to undertake the performance analysis studies. These analytical tools will be used to predict the effect of parameters such as fuel type and furnace variables on combustor performance, and to identify those properties which have a major impact on thermal performance. The second task uses a combustion reactor to screen the key variables identified and to provide data on the properties of coal particulate matter which affect heat transfer performance. Verification of the engineering analytical approach will be provided by measurements made in a pilot-scale furnace. This present report discusses technical progress during the first three months of the program, and considers the selection of the appropriate analytical tools and preliminary details of the experimental system.
Author : K. Ishii
Publisher : Elsevier
ISBN 13 : 0080546358
Total Pages : 325 pages
Book Rating : 4.0/5 (85 download)
Download or read book Advanced Pulverized Coal Injection Technology and Blast Furnace Operation written by K. Ishii and published by Elsevier. This book was released on 2000-11-10 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to reduce the cost of running blast furnaces (BFs), injected pulverized coal is used rather than coke to fire BFs. As a result of this, unburned fine materials are blown with the gas into the bosh and dead man areas with possible detrimental effects on gas flow and permeability of the coke column. The capacity of the furnace to consume these particles by solution loss is probably one of the limitations to coal injection. It is, therefore, important to understand the physicochemical and aerodynamic behaviour of fines including the change of in-furnace phenomena. The Committee of Pulverized Coal Combustion and In-Furnace Reaction in BF was set up in 1993 as a cooperative research of the Japan Society for the Promotion of Science (JSPS) and the Iron and Steel Institute (ISIJ) to evaluate research initiative into this problem. This book reports on the JSPS/ISIJ Committee's activities and describes the interpretation of findings drawn from combustion experiments and the results of live furnace applications, and furnace performance.
Author : Paweł Madejski
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)
Download or read book A Combustion Process Optimization and Numerical Analysis for the Low Emission Operation of Pulverized Coal-Fired Boiler written by Paweł Madejski and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The paper presents experimental and numerical investigation of pulverized coal combustion process analysis and optimization. The research was conducted on the front-fired pulverized coal boiler with dedicated low-NOx furnace installation. In order to find optimal boiler operating conditions the acoustic gas temperature measurement system and mass flow rate of pulverized coal measurement system was applied. The uniform temperature distribution as a result of uniform coal and air flow provides the optimal combustion process with low level of NOx emission and total organic carbon content in ash. Experimental results confirm that the monitoring and control of fuel and air flow distribution allows to optimize combustion process by increasing thermal efficiency of the boiler. In the numerical part of investigation, the complex CFD model of pulverized coal boiler was made. The calculations of turbulent, reactive, and thermal flow processes were performed at different boiler operating conditions retrieved from power plant on-line monitoring system. The results of numerical simulations enable to identify the optimal boiler operating conditions.
Author : Xiaohai Han
Publisher : Cuvillier Verlag
ISBN 13 : 9783898739382
Total Pages : 162 pages
Book Rating : 4.7/5 (393 download)
Download or read book Modeling and Simulation of SOx and NOx Reduction Processes in Pulverized Coal Furnaces written by Xiaohai Han and published by Cuvillier Verlag. This book was released on 2003 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Assessment of Pulverized-coal-fired Combustor Performance written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this program is to provide the engineering tools necessary for an authoritative assessment of the performance of industrial furnaces firing pulverized coal. The program incorporates two experimental tasks and is constructed around an analytical task (Task 1) which will identify and upgrade the family of computer programs required to undertake the performance analysis studies. These analytical tools will be used on combustor performance, and to identify those properties which have a major impact on thermal performance. The second task uses a combustion reactor to screen the key variables identified in Task 1 and to provide data on the properties of coal particulate matter which affect heat transfer performance. Verification of the engineering analytical approach will be provided by measurements made in a pilot-scale furnace in the third task. Technical progress during the second three months of the program effort (January to April 1981) is reported and considers the selection, documentation, and modification of the appropriate analytical tools and further details of the Task 2 experimental system. Details of the computer programs for the performance of analytical studies have been documented and presented in an interim report.
Download or read book Assessment of Pulverized-coal-fired Combustion Performance written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this program was to evaluate an engineering analysis procedure which could be used to assess the impact on thermal performance of converting gas and oil fired equipment to coal. The program consisted of four major tasks: (1) Engineering Analysis. The objective was to evaluate currently available models which could be used to predict combustor performance and to define a procedure which could be used to assess the impact of a coal firing in a boiler or furnace; (2) Reactor Studies. The purpose was to evaluate, under controlled conditions, the radiative properties of fly ash clouds; (3) Pilot Scale Experiments. This involved a combustion trial with gas and coals which were burned at 0.7 × 106 Btu/hr in a pilot-scale combustor. The purpose was to verify and supplement the results of the small-scale reactor studies on the radiant properties of coal flames at larger scale; (4) Reporting. Engineering analysis procedures were used to identify those fuels related properties which had a major impact on the thermal performance of furnaces. The major result of the study is that thermal performance of coal-fired furnaces is dominated by the formation of fly ash deposits on the heat transfer surfaces. The key parameters which influence thermal performance are: thickness, thermal conductivity, and surface emissivity or absorptivity. 105 refs., 170 figs., 29 tabs.
Author : Allen Lowe
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (896 download)
Download or read book Development of Nitrogen Oxide Emission and Combustion Performance Prediction Models for Pulverised Coal Fired Boilers written by Allen Lowe and published by . This book was released on 1996 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George M. Booth
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (369 download)
Download or read book A Study of the Performance of a Strong-Scott Pulverized Coal Installation at the Iowa State Capitol Heating Plant ... written by George M. Booth and published by . This book was released on 1930 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
