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NOx and H2S formation in the reductive zone of air-staged combustion of

Jinzhi CAI, Dan LI, Denggao CHEN, Zhenshan LI

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 4-13 doi: 10.1007/s11708-020-0804-y

Abstract: Low NO combustion of blended coals is widely used in coal-fired boilers in China to control NO emission; thus, it is necessary to understand the formation mechanism of NO and H S during the combustion ofwith different mixing ratios were conducted in a drop tube furnace at 1200°C–1400°C with an excessive airBoth the CO and H S concentrations inblended coal combustion increase with an increase in the combustiontemperature and a decrease in the excessive air ratio.

Keywords： blended coal combustion     NOx formation     H2S formation     air staged combustion    

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Effect of Fe on NO release during char combustion in air and O

Ying GU, Xiaowei LIU, Bo ZHAO, Minghou XU

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 200-206 doi: 10.1007/s11708-012-0181-2

Abstract: The chemistry of char was probed by studying nitrogen release under the reactions with air and oxy-fuelcombustion.

Keywords： NO     Fe     char     combustion     CO2    

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Experimental study of humid air reverse diffusion combustion in a turbulent flow field

GE Bing, ZANG Shusheng, GU Xin

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 428-434 doi: 10.1007/s11708-007-0062-6

Abstract: Experiments were performed to investigate the differences between the propane/air turbulent diffusionreactive flows past bluff-body and the propane/humid air turbulent diffusion reactive flows in the same

Keywords： propane/humid     propane/air turbulent     bluff-body     turbulent diffusion    

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Experimental study on premixed combustion of spherically propagating methanol-air-nitrogen flames

Xiangang WANG, Zhiyuan ZHANG, Zuohua HUANG, Xibin WANG, Haiyan MIAO,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 223-233 doi: 10.1007/s11708-010-0016-y

Abstract: and development of surface instability of the spark-ignited spherical premixed flames for methanol-air-nitrogenmixtures were experimentally studied by using a constant volume combustion chamber and a high-speedFor very lean mixture combustion, the buoyancy effect and cooling effect from the spark electrodes have

Keywords： methanol     spherical flame     propagation characteristics     flame instabilities    

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Modeling and simulation analysis on parallel hybrid air-fuel vehicle

Pinglu CHEN, Xiaoli YU, Xianghong NIE, Yidong FANG

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 553-559 doi: 10.1007/s11708-010-0008-y

Abstract: Based on the vehicle simulation software ADVISOR, the model of a parallel air-fuel hybrid vehicle wasestablished, and the modeling of an air powered engine (APE), heat exchanger, braking air tank and controlemissions could be decreased greatly compared with the traditional diesel car, while the compressed airtheoretical basis and research platform in optimizing the key components and control strategy of hybrid air-fuel

Keywords： air powered engine     hybrid vehicle     internal combustion engine     simulation    

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Numerical simulation of bituminous coal combustion in a full-scale tiny-oil ignition burner: influenceof excess air ratio

Zhengqi LI, Chunlong LIU, Xiang ZHANG, Lingyan ZENG, Zhichao CHEN

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 296-303 doi: 10.1007/s11708-012-0191-0

Abstract: to primary air velocities of 17, 23, 30 and 35 m/s, respectively), which were chosen because they hadThe gas temperatures were high along the center line of the burner for the four excess air ratios.The O concentrations for the four excess air ratios were 0.5%, 1.1%, 0.9% and 3.0% at the exit of thesecond combustion chamber.ratios at the exit of the second combustion chamber.

Keywords： numerical simulation     tiny-oil ignition burner     pulverized coal     temperature field    

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Industrial-scale investigations on effects of tertiary-air declination angle on combustion and steam

Xiaoguang LI, Lingyan ZENG, Hongye LIU, Yao LI, Yifu LI, Yunlong ZHAO, Bo JIAO, Minhang SONG, Shaofeng ZHANG, Zhichao CHEN, Zhengqi LI

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 132-142 doi: 10.1007/s11708-020-0803-z

Abstract: Industrial-scale experiments were conducted to study the effects of tertiary air declination angle (TDA) on the coal combustion and steam temperature characteristics in the first 350-MW supercritical down-firedboiler in China with the multiple-injection and multiple-staging combustion (MIMSC) technology at mediumThe ignition distance of the fuel-rich coal/air flow decreased.The concentration of NO decreased in near-tertiary-air region.

Keywords： supercritical down-fired boiler     industrial-scale experiment     tertiary air declination angle     coal combustion    

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The Prospect of Power Generation Technology Based on Coal Staged Conversion

Cen Kefa,Ni Mingjiang,Luo Zhongyang,Fang Mengxiang,Wang Qinhui,Wang Zhihua and Cen Jianmeng

Strategic Study of CAE 2015, Volume 17, Issue 9,   Pages 118-122

Abstract: p>In the face of the coal-dominated primary energy structure, increasing energy demand, and serious airThis paper introduces a new technology of coal conversion and utilization based on coal staged conversion

Keywords： staged conversion     staged utilization     energy conservation and emission reduction     coal    

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A logic-based controller for the mitigation of ventilation air methane in a catalytic flow reversal reactor

Zhikai LI, Zhangfeng QIN, Yagang ZHANG, Zhiwei WU, Hui WANG, Shuna LI, Mei DONG, Weibin FAN, Jianguo WANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 347-356 doi: 10.1007/s11705-013-1347-0

Abstract: The control system of a catalytic flow reversal reactor (CFRR) for the mitigation of ventilation airAir dilution and auxiliary methane injection are effective to avoid the catalyst overheating and reactionAir dilution exhibits the effects of two contradictory aspects on the operation of CFRR, i.e., cooling

Keywords： ventilation air methane     reverse flow reactor     lean methane combustion     logic-based controller     mathematical    

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Thermogravimetric kinetic analysis of

SUKARNI,SUDJITO,Nurkholis HAMIDI,Uun YANUHAR,I.N.G. WARDANA

Frontiers in Energy 2015, Volume 9, Issue 2,   Pages 125-133 doi: 10.1007/s11708-015-0346-x

Abstract: The thermal behavior of combustion in air atmosphere were investigated by performing experiments onThe result showed that combustion occurred in five stages.Started with initial devolatilization, the main thermal decomposition and combustion process, transitionstage, the combustion of char and the last stage was the slow burning reaction of residual char.The average activation energy at the main thermal decomposition stage and the stage of char combustion

Keywords： Nannochloropsis oculata     combustion     kinetic parameters     air atmosphere     thermogravimetric    

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Study on Bias Coal Combustion Technologies with Air-surrounding-fuel

Qin Yukun,Li Zhengqi,Sun Rui,Chen Lizhe,Sun Shaozeng,Zhu Qunyi,Li Ruiyang,Gao Jihui,Wu Shaohua

Strategic Study of CAE 2002, Volume 4, Issue 11,   Pages 42-49

Abstract: major findings of research during the last 15 years in Harbin Institute of Technology, on bias coal combustionFive problems in China's coal combustion in boilers of power plant are given.The theory and characteristics of air-surrounding-fuel flow of bias coal combustion technologies are

Keywords： boiler     burner     bias combustion     NOx    

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A Review on Shale Gas Development in Fuling

Zhi-gang Wang

Frontiers of Engineering Management 2015, Volume 2, Issue 1,   Pages 76-81 doi: 10.15302/J-FEM-2015011

Abstract: established a series of the core technologies, including horizontal well drilling with long laterals, staged

Keywords： Fuling     shale gas     drilling and completion     staged fracturing     learning curve     capacity building     commercial    

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Combustion characteristics and kinetics of bio-oil

Ruixia ZHANG, Zhaoping ZHONG, Yaji HUANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 119-124 doi: 10.1007/s11705-009-0068-x

Abstract: The combustion characteristics of bio-oils derived from rice husk and corn were studied by thermogravimetry, differential thermogravimetry (DTG) and differential thermal analysis (DTA) curves of bio-oils in airand nitrogen atmosphere, we analyzed the combustion characteristics of different kinds of bio-oils inThe thermogravimetry indicated that the combustion process of bio-oil was divided into three stages.At the same time, the combustion process can be described by different order reaction models, and with

Keywords： bio-oil     combustion characteristics     combustion kinetics    

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Numerical simulation of laminar premixed combustion in a porous burner

ZHAO Pinghui, CHEN Yiliang, LIU Minghou, DING Min, ZHANG Genxuan

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 233-238 doi: 10.1007/s11708-007-0032-8

Abstract: Premixed combustion in porous media differs substantially from combustion in free space.interphase heat transfer between a gas mixture and a porous medium becomes dominant in the premixed combustionIn this paper, the premixed combustion of CH

Keywords： interphase     mixture     dominant     Premixed combustion     premixed combustion    

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Entropy production analysis of swirling diffusion combustion processes

Deodat MAKHANLALL, Linhua LIU,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 326-332 doi: 10.1007/s11708-009-0058-1

Abstract: A critical factor in the design of combustion systems for optimum fuel economy and emission performanceobjective of this study is to map these irreversibilities in terms of entropy production for methane combustionThe numerical solution of the combustion process is conducted with the help of a Fluent 6.1.22 computerradiative heat transfer, which is an important source of entropy production, cannot be omitted for combustionIntroducing swirling air into the combustion system and operations with the appropriate Boltzmann number

Keywords： entropy-based design     radiation transfer     swirl     magnussen combustion-model    

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Title Author Date Type Operation

NOx and H2S formation in the reductive zone of air-staged combustion of

Jinzhi CAI, Dan LI, Denggao CHEN, Zhenshan LI

Journal Article

Effect of Fe on NO release during char combustion in air and O

Ying GU, Xiaowei LIU, Bo ZHAO, Minghou XU

Journal Article

Experimental study of humid air reverse diffusion combustion in a turbulent flow field

GE Bing, ZANG Shusheng, GU Xin

Journal Article

Experimental study on premixed combustion of spherically propagating methanol-air-nitrogen flames

Xiangang WANG, Zhiyuan ZHANG, Zuohua HUANG, Xibin WANG, Haiyan MIAO,

Journal Article

Modeling and simulation analysis on parallel hybrid air-fuel vehicle

Pinglu CHEN, Xiaoli YU, Xianghong NIE, Yidong FANG

Journal Article

Numerical simulation of bituminous coal combustion in a full-scale tiny-oil ignition burner: influenceof excess air ratio

Zhengqi LI, Chunlong LIU, Xiang ZHANG, Lingyan ZENG, Zhichao CHEN

Journal Article

Industrial-scale investigations on effects of tertiary-air declination angle on combustion and steam

Xiaoguang LI, Lingyan ZENG, Hongye LIU, Yao LI, Yifu LI, Yunlong ZHAO, Bo JIAO, Minhang SONG, Shaofeng ZHANG, Zhichao CHEN, Zhengqi LI

Journal Article

The Prospect of Power Generation Technology Based on Coal Staged Conversion

Cen Kefa,Ni Mingjiang,Luo Zhongyang,Fang Mengxiang,Wang Qinhui,Wang Zhihua and Cen Jianmeng

Journal Article

A logic-based controller for the mitigation of ventilation air methane in a catalytic flow reversal reactor

Zhikai LI, Zhangfeng QIN, Yagang ZHANG, Zhiwei WU, Hui WANG, Shuna LI, Mei DONG, Weibin FAN, Jianguo WANG

Journal Article

Thermogravimetric kinetic analysis of

SUKARNI,SUDJITO,Nurkholis HAMIDI,Uun YANUHAR,I.N.G. WARDANA

Journal Article

Study on Bias Coal Combustion Technologies with Air-surrounding-fuel

Qin Yukun,Li Zhengqi,Sun Rui,Chen Lizhe,Sun Shaozeng,Zhu Qunyi,Li Ruiyang,Gao Jihui,Wu Shaohua

Journal Article

A Review on Shale Gas Development in Fuling

Zhi-gang Wang

Journal Article

Combustion characteristics and kinetics of bio-oil

Ruixia ZHANG, Zhaoping ZHONG, Yaji HUANG

Journal Article

Numerical simulation of laminar premixed combustion in a porous burner

ZHAO Pinghui, CHEN Yiliang, LIU Minghou, DING Min, ZHANG Genxuan

Journal Article

Entropy production analysis of swirling diffusion combustion processes

Deodat MAKHANLALL, Linhua LIU,

Journal Article