Numerical Study on NOx Emissions of Methane Re-Combustion in a 600 MWe Coal-Fired Boiler
In order to reduce NOx emissions, the burners of a 600 MWe coal-fired boiler are retrofitted in which methane gas is selected as a secondary fuel for re-combustion. The CFD models of combustion process are built to investigate effects of the methane gasratio on combustion process and NOx emissions. A total of 4 cases are numerically studied Get Price
Reducing NOx Emissions for a 600 MWe Down-Fired Pulverized …
2015/12/1 · A novel combustion system was applied to a 600 MWe Foster Wheeler (FW) down-fired pulverized-coal utility boiler to solve high NOx emissions, without causing an obvious increase in the carbon content of fly ash. The unit included moving fuel-lean nozzles from Get Price
Regulating low-NOx and high-burnout deep-air-staging combustion under real-furnace conditions in a 600 MWe down-fired supercritical boiler …
2014/10/21 · A 600 MW(e) down-fired pulverized-coal supercritical boiler, which was equipped with a deep-air-staging combustion system for reducing the particularly high NOx emissions, suffered from the well-accepted contradiction between low NOx emissions and high in Get Price
Combustion and NOx emission characteristics of a retrofitted down-fired 660 MWe utility boiler …
2011/7/1 · Improved NO x emissions and combustion characteristics for a retrofitted down-fired 300-MWe utility boiler Environ Sci Technol, 44 ( 2010 ), pp. 3926 - 3931 CrossRef View Record in Scopus Google ScholarGet Price
CN105605606A - Surrounding air method for reducing NOx emission concentration of power station pulverized coal powder plant boiler …
The invention provides a surrounding air method for reducing the NOx emission concentration of a power station pulverized coal powder plant boiler. The method includes the specific step of replacing existing secondary air with primary air high in wind pressure under Get Price
Improving the Performance of a 300 MW Down-Fired Pulverized …
Reducing NOx Emissions for a 600 MWe Down-Fired Pulverized-Coal Utility Boiler by Applying a Novel Combustion System. Environmental Science & Technology 2015, 49 (21), 13040-13049. DOI: 10.1021/acs.est.5b02827.Get Price
Influence of outer secondary-air vane angle on combustion characteristics and NOx emissions of a down-fired pulverized-coal 300 MWe utility boiler
2010/7/1 · Industrial experiments were performed on a down-fired pulverized-coal 300 MWe utility boiler with swirl burners.Gas temperature, concentrations of gas components (O 2, CO, CO 2 and NO x) in the burning region and carbon content in the fly ash were measured with outer secondary-air vane angles of 25, 32.5 and 50 . Get Price
Investigations on combustion optimization and NOX reduction of a 600-MWe down-fired boiler…
2020/12/20 · Low-NO X combustion is the main technology for reducing NO X emission in coal-fired plants. In this work, numerical simulation was conducted on a 600-MWe down-fired lean coal boiler to study the effects of important factors on NO X reduction, namely, the arrangements of tertiary air (TA), the jet angle of secondary air (SA), the separated over-fire air (SOFA) ratio, …Get Price
Asymmetric combustion characteristics and NOx emissions of a down-fired 300 MWe utility boiler at different boiler …
2012/1/1 · Highlights Asymmetric combustion and particularly high NO x emissions are universal in MBEL down-fired boilers. The boiler load affects strongly the asymmetric combustion extent and levels of NO x emissions. Small-scale airflow and industrial-sized experiments were conducted to determine the impact of boiler load. Methods for reduction in asymmetric …Get Price
Reducing NOx Emissions for a 600 MWe Down-Fired Pulverized …
A novel combustion system was applied to a 600 MWe Foster Wheeler (FW) down-fired pulverized-coal utility boiler to solve high NOx emissions, without causing an obvious increase in the carbon content of fly ash. The unit included moving fuel-lean nozzles from the arches to the front/rear walls and rearranging staged air as well as introducing separated overfire air (SOFA). …Get Price
Improved NOx Emissions and Combustion Characteristics for a …
2010/4/29 · Reducing NOx Emissions for a 600 MWe Down-Fired Pulverized-Coal Utility Boiler by Applying a Novel Combustion System. Environmental Science & Technology 2015, 49 (21), …Get Price
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Reducing NOx Emissions for a 600 MWe Down-Fired Pulverized-Coal Utility Boiler by Applying a Novel Combustion System. 2015. Environmental Science & Technology. Lun Ma · Qingyan Fang · Dangzhen Lv · Cheng Zhang · Yiping Chen · …Get Price
Development of a NO x emission model with seven optimized input parameters for a coal-fired boiler …
2018/4/17 · Kuang M, Li ZQ, Wang ZH, et al., 2014. Combustion and NOx emission characteristics with respect to staged-air damper opening in a 600 MWe down-fired pulverized coal furnace under deep-air-staging conditions. Environmental Science & Technology, 48(1Get Price
System approach to reducing NO{sub x} emissions on a three cell high burner, heavy oil-fired boiler …
1996/11/1 · This paper documents the installation of plug-in low NO{sub x} burners on a utility boiler with cell burners. The original rapid mix burners and typical close burner centerline spacing produced a very hot furnace environment resulting in extremely high NO{sub x} emissions, in this case as high as 1 Get Price
Reducing Nox Emissions From The San Juan Generating Station - Power Engineering
2014/8/21 · The San Juan Generating Station is located in Waterflow, New Mexico and is comprised of four, pulverized coal boilers that are each firing New Mexico bituminous coal. San Juan Units 1 and 2 are Get Price
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Reducing NOx emissions for a 600 MWe down-fired pulverized-coal utility boiler by applying a novel combustion system. Environmental Science & Technology, 2015, 49(21): 13040-13049. [36] Ma Lun, Fang Qingyan, Lv Dangzhen, Zhang …Get Price
Low-NO x and High-Burnout Combustion Characteristics of a …
2019/9/10 · Reducing NOx Emissions for a 600 MWe Down-Fired Pulverized-Coal Utility Boiler by Applying a Novel Combustion System. Ma L, Fang Q, Lv D, Zhang C, Chen Y, Chen G, Duan X, Wang X Environ Sci Technol, 49(21):13040-13049,Get Price
Experimental combustion characteristics and NOx emissions at 50% of the full load for a 600-MWe utility boiler…
2020/4/1 · For realizing higher boiler efficiency and lower NO x emissions at a half load of a 600-MWe utility boiler, a novel approach is proposed for various coal feed rates. In this study, at 50% of the full load, industrial-size experiments were conducted at various coal feed Get Price
Numerical Study on NOx Emissions of Methane Re-Combustion in a 600 MWe Coal-Fired Boiler
In order to reduce NOx emissions, the burners of a 600 MWe coal-fired boiler are retrofitted in which methane gas is selected as a secondary fuel for re-combustion. The CFD models of combustion process are built to investigate effects of the methane gasratio on combustion process and NOx emissions. A total of 4 cases are numerically studied Get Price
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Reducing NOx emissions for a 600 MWe down-fired pulverized-coal utility boiler by applying a novel combustion system. Environmental Science & Technology, 2015, 49(21): 13040-13049. [36] Ma Lun, Fang Qingyan, Lv Dangzhen, Zhang …Get Price
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Reducing NOx emissions for a 600 MWe down-fired pulverized-coal utility boiler by applying a novel combustion system. Environmental Science & Technology, 2015, 49(21): 13040-13049. [27] Ma Lun, Fang Qingyan, Lv Dangzhen, Zhang …Get Price
Alternative Control Techniques Document NOx Emissions From Industrial-commercial-institutional (ici) Boilers …
Also, costs increase much more rapidly for boilers below 50 MMBtu/hr in size. 2J5 ENERGY AND ENVIRONMENTAL IMPACTS OF NOX CONTROL TECHNIQUES Combustion modification controls to reduce NOX emissions from ICI boilers can result inGet Price
A novel corner-fired boiler system of improved efficiency and coal flexibility and reduced NOx emissions …
Numerical simulation, boiler retrofit and full-scale performance test are conducted. After successful demonstration in a 330 MWe semianthracite corner-fired utility boiler, the novel combustion scheme is implemented in retrofit of two other similar boilers.Get Price
Reducing NOx Emissions for a 600 MWe Down-Fired Pulverized …
A novel combustion system was applied to a 600 MWe Foster Wheeler (FW) down-fired pulverized-coal utility boiler to solve high NOx emissions, without causing an obvious increase in the carbon content of fly ash. The unit included moving fuel-lean nozzles fromGet Price
Analysis Of Low NOx Operation Of Two Pulverized-coal-fired Utility Boilers …
United States Environmental Protection Agency Industrial Environmental Research Laboratory Research Triangle Park NC 27711 Research and Development EPA-600/SLiming6 Feb. 1984 Project Summary Analysis of Low NOX Operation of Two Pulverized- Coal-Fired Get Price
Reducing NO x Emissions for a 600 MW e Down-Fired Pulverized …
Using ANSYS FLUENT, Ma et al. [14] conducted a numerical study on reducing NOx emissions for a 600 MWe down-fired pulverized-coal utility boiler by …Get Price
Overall evaluation of combustion and NO(x) emissions for a down-fired 600 MW(e) supercritical boiler …
2013/4/8 · To achieve significant reductions in NOx emissions and to eliminate strongly asymmetric combustion found in down-fired boilers, a deep-air-staging combustion technology was trialed in a down-fired 600 MWe supercritical utility boiler. By performing industrial-sized Get Price
Asymmetric combustion characteristics and NOx emissions of a down-fired 300 MWe utility boiler at different boiler …
Most related items These are the items that most often cite the same works as this one and are cited by the same works as this one. Kuang, Min & Li, Zhengqi & Zhu, Qunyi & Zhang, Yan, 2013. "Performance assessment of staged-air declination in improving asymmetric gas/particle flow characteristics within a down-fired 600 MWe supercritical utility boiler," Energy, Elsevier, vol. …Get Price
Improving Combustion Characteristics and NOx Emissions of a Down-Fired 350 MWe Utility Boiler …
Within a Mitsui Babcock Energy Limited down-fired pulverized-coal 350 MWe utility boiler, in situ experiments were performed, with measurements taken of gas temperatures in the burner and near the right-wall regions, and of gas concentrations (O2 and NO) from the near-wall region. Large combustion differences between zones near the front and rear walls and particularly high …Get Price
Overall evaluation of combustion and NO(x) emissions for a down-fired 600 MW(e) supercritical boiler …
2013/5/7 · To achieve significant reductions in NOx emissions and to eliminate strongly asymmetric combustion found in down-fired boilers, a deep-air-staging combustion technology was trialed in a down-fired 600 MWe supercritical utility boiler.Get Price
Investigations on combustion optimization and NOX reduction of …
2020/12/20 · Low-NO X combustion is the main technology for reducing NO X emission in coal-fired plants. In this work, numerical simulation was conducted on a 600-MWe down-fired lean coal boiler to study the effects of important factors on NO X reduction, namely, the arrangements of tertiary air (TA), the jet angle of secondary air (SA), the separated over-fire air (SOFA) ratio, …Get Price
Combustion optimization and NOx reduction of a 600 MWe down …
2019/2/10 · Influence of separated overfire air ratio and location on combustion and NOx emission characteristics for a 600 MWe down-fired utility boiler with a novel combustion system Energy Fuel., 29 ( 11 ) ( 2015 ), pp. 7630 - 7640Get Price
2016/3/25 · 48. Subo Fan, Zhengqi Li, and Qunyi Zhu. Influence of Inner Secondary Air Vane Angle on Combustion Characteristics and NOx Emissions of a Down-fired Pulverized-coal 300 MWe Utility Boiler. Combustion Science and Technology, 2013, 185(6): 975-989Get Price
Factors affecting the downward flame depth in a 600 MW down-fired boiler incorporating multiple-injection and multiple …
Kuang, Min & Li, Zhengqi & Zhang, Yan & Chen, Xiachao & Jia, Jinzhao & Zhu, Qunyi, 2012. "Asymmetric combustion characteristics and NOx emissions of a down-fired 300 MWe utility boiler at different boiler loads," Energy, Elsevier, vol. 37(1), pages 580-590.Get Price
Industrial Application of an Improved Multiple Injection and Multiple Staging Combustion Technology in a 600 MWe Supercritical Down-Fired Boiler.
2016/2/2 · 1. Environ Sci Technol. 2016 Feb 2;50(3):1604-10. doi: 10.1021/acs.est.5b03976. Epub 2016 Jan 25. Industrial Application of an Improved Multiple Injection and Multiple Staging Combustion Technology in a 600 MWe Supercritical Down-Fired Boiler. Song M(1), Zeng Get Price
Improved NOx emissions and combustion characteristics for a retrofitted down-fired 300-MWe utility boiler…
2010/5/1 · Improved NOx emissions and combustion characteristics for a retrofitted down-fired 300-MWe utility boiler. Zhengqi Li School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, P.R. China.Get Price
Overall evaluation of combustion and NO(x) emissions for a down-fired 600 MW(e) supercritical boiler …
2013/5/7 · To achieve significant reductions in NOx emissions and to eliminate strongly asymmetric combustion found in down-fired boilers, a deep-air-staging combustion technology was trialed in a down-fired 600 MWe supercritical utility boiler.Get Price
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