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Development and technical progress in large-scale circulating fluidized bed boiler in China

Zhong HUANG, Lei DENG, Defu CHE

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 699-714 doi: 10.1007/s11708-020-0666-3

Abstract: Circulating fluidized bed (CFB) boilers has realized the clean and efficient utilization of inferiorAs a country with the largest amount of CFB boilers and the largest installed capacity in the world,China has 440 100–600 MW CFB boilers with a total capacity of 82.29 GW , including 227 units of 135The statistics of typical 100–300 MW CFB boilers showed that the average number of unplanned shut-downThis paper summarizes the development process and application status of China’s large-scale CFB boilers

Keywords： CFB boiler     installed capacity     reliability     economics     ultra-low emission     China    

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Effect of circulating ash from CFB boilers on NO and N

Xiangsong HOU, Shi YANG, Junfu LU, Hai ZHANG, Guangxi YUE

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 241-246 doi: 10.1007/s11708-009-0006-0

Abstract: NO and N O emissions from circulating fluidized bed (CFB) boilers are determined by their formation andThe effect of circulating ash from a CFB boiler on NO and N O emissions were investigated in a laboratory-scaleExperiment was also conducted on a 75 t/h CFB boiler fueled with the mixture of anthracite and biomass

Keywords： CFB boiler     circulating ash     NO reduction     N2O thermal decomposition     biomass    

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Design and application of a novel coal-fired drum boiler using saline water in heavy oil recovery

Junping GU, Yuxin WU, Liping WU, Man ZHANG, Hairui YANG, Junfu LYU

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 715-725 doi: 10.1007/s11708-020-0690-3

Abstract: In this paper, the design and operation of a novel coal-fired circulating fluidized bed (CFB) drum boilerThe evaporating pipes of the salted water section were rearranged in the back pass of the boiler, whereA CFB combustion technology was used for coal firing to achieve a uniform heat transfer condition withBased on the field test, the recommended water standard for the coal-fired CFB drum boilers was determinedThe engineering applications show that the boiler efficiency is higher than 90%, the blowdown rate is

Keywords： drum steam injection boiler     natural circulation     recovery wastewater     staged evaporation     circulating fluidizedbed (CFB)    

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Fault simulation of boiler heating surface ash deposition in a power plant system

Weiwei ZHANG, Huisheng ZHANG, Ming SU

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 435-443 doi: 10.1007/s11708-011-0162-x

Abstract: plant under the conditions of the furnace slagging and ash deposition of the heating surfaces in the boiler

Keywords： boiler     slagging     ash deposition     fault simulation    

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Heating energy performance and part load ratio characteristics of boiler staging in an office building

Da Young LEE, Byeong Mo SEO, Yeo Beom YOON, Sung Hyup HONG, Jong Min CHOI, Kwang Ho LEE

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 339-353 doi: 10.1007/s11708-018-0596-5

Abstract: significant portions of the total building energy in South Korea and thus a variety of research on the boilerIn this study, the part load ratio and the operating characteristics of gas boiler have been analyzedIn addition, the gas consumption among different boiler staging schemes has been comparatively analyzedThis suggests that boiler operation at the part load is an important factor in commercial buildings.In addition, utilizing sequential boiler staging scheme can save a gas usage of about 7%.

Keywords： EnergyPlus     boiler     part load ratio     gas consumption     office building     boiler staging    

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Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 69-74 doi: 10.1007/s11708-010-0117-7

Abstract: scientific energy analysis of the unit, thermodynamic analysis of a single-phase heated surface in a boilerTaking the low-temperature superheater of a 610 t/h-boiler as an example, the distribution of energy,

Keywords： thermodynamic model     energy distribution     boiler     unsteady conditions    

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Heat flux distribution on circulating fluidized bed boiler water wall

LU Junfu, YUE Guangxi, YANG Hairui, ZHANG Jiansheng, YU Long, ZHANG Man, YANG Zhongming

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 134-139 doi: 10.1007/s11708-008-0027-0

Abstract: The future of circulating fluidized bed (CFB) combustion technology is in raising the steam parameterswater wall is one of the most important issues in the design and operation of supercritical pressure CFBStudies on the horizontal heat flux distribution were conducted in three CFB boilers with different furnaceThe results are useful in supercritical pressure CFB boiler design.

Keywords： horizontal     different furnace     temperature     FEA     measurement    

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Large eddy simulation of a 660 MW utility boiler under variable load conditions

Haoshu SHEN, Yuxin WU, Minmin ZHOU, Hai ZHANG, Guangxi YUE, Junfu LYU

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 124-131 doi: 10.1007/s11708-020-0659-2

Abstract: The boiler performance of variable loads should be evaluated in terms of flow, heat transfer, and combustionIn this paper, LES was applied to simulate a 660 MW ultra-supercritical boiler under BMCR (boiler maximumThe simulation results show that the operation load has significant effects on the boiler performance

Keywords： large eddy simulation     ultra-supercritical boiler     operation load    

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Study on the NOx release rule along the boiler during pulverized coal combustion

JIN Jing, ZHANG Zhongxiao, LI Ruiyang

Frontiers in Energy 2007, Volume 1, Issue 1,   Pages 91-95 doi: 10.1007/s11708-007-0009-7

Abstract: Numerical simulation and experimental study on NO release along the boiler during pulverized coal combustion
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Mercury emission and adsorption characteristics of fly ash in PC and CFB boilers

Li JIA, Baoguo FAN, Xianrong ZHENG, Xiaolei QIAO, Yuxing YAO, Rui ZHAO, Jinrong GUO, Yan JIN

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 112-123 doi: 10.1007/s11708-020-0682-3

Abstract: mercury contents in flue gas and solid samples in pulverized coal (PC) and circulating fluidized bed (CFBThe results showed that the majority of mercury released to the atmosphere with the flue gas in PC boiler, while the mercury was enriched in fly ash and captured by the precipitator in CFB boiler.It was also found that the mercury content of fly ash in the CFB boiler was ten times higher than thatin the PC boiler.

Keywords： mercury     combustion modes     coal property     fly ash     particle size    

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Effect of oil shale semi-coke on deposit mineralogy and morphology in the flue path of a CFB burning

Zhuo LIU, Jianbo LI, Mingming ZHU, Xiaofeng LU, Zhezi ZHANG, Dongke ZHANG

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 26-37 doi: 10.1007/s11708-020-0668-1

Abstract: morphology of the ash deposited on probes situated in the flue path of a circulating fluidized bed (CFBlignite (ZD) was investigated. 10 wt% or 20 wt% SC was added to ZD, which were then combusted in the CFBaddition of SC would therefore help alleviate the propensity of ash deposition in the flue path in the CFB

Keywords： ash deposition     circulating fluidized bed (CFB)     mineral transformation     oil shale semi-coke (SC)     Zhundong    

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Application of digital holography to circle flow bed boiler measurement

PU Shiliang, WANG Qinghui, CEN Kefa, Denis Lebrun, REN Kuanfang

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 218-222 doi: 10.1007/s11708-007-0029-3

Abstract: The spatial distribution of particles in the boiler is very important in the study on the circle flowbed boiler (CFB).holography technique was applied to obtain the spatial and diameter distribution of the particles inside the boilerA HE-NE laser was used to illuminate the particles inside the CFB through two glass windows and the in-line

Keywords： HE-NE     function     convolution     two-phase     diffraction    

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and structural study of ash deposits spatially distributed in superheaters of a large biomass-fired CFBboiler

Yishu XU, Xiaowei LIU, Jiuxin QI, Tianpeng ZHANG, Minghou XU, Fangfang FEI, Dingqing LI

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 449-459 doi: 10.1007/s11708-021-0734-3

Abstract: Therefore, the ash deposits in the superheaters of a 220 t/h biomass-fired CFB boiler were studied, including

Keywords： ash deposition     biomass combustion     circulating fluidized bed     initial layer     structure analysis    

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Green and Low-Carbon Development Path of Boiler Equipment in China

Li Jun, Da Yaodong, Liu Xuemin, Yu Jiming, Chang Yongqiang, Hou Nana

Strategic Study of CAE 2022, Volume 24, Issue 4,   Pages 212-221 doi: 10.15302/J-SSCAE-2022.04.021

Abstract: in the number of gas boiler tests.text-align: justify;">The second objective is to make further breakthroughs in circulating fluidized bed (CFBDuring the 14th Five-Year Plan period, further studies should be conducted on CFB boiler furnace limestonedepth desulfurization and NOx ultra-low emissions mechanisms, large CFB boiler material flow patternsadvance the key technologies in high-efficiency and low-cost power generation by ultra-low emission CFB

Keywords： boiler equipment     low-carbon development     energy conservation and efficiency promotion     fuel structure    

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mass air flow ratio on gas-particle flow characteristics of a swirl burner in a 29 MW pulverized coal boiler

Rong YAN, Zhichao CHEN, Shuo GUAN, Zhengqi LI

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 68-77 doi: 10.1007/s11708-020-0697-9

Abstract: the characteristics of gas/particle two-phase flows in a 29 megawatt (MW) pulverized coal industrial boiler

Keywords： industrial pulverized coal boiler     swirl burner     air/particle flow     particle dynamic analyzer (PDA)    

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Title Author Date Type Operation

Development and technical progress in large-scale circulating fluidized bed boiler in China

Zhong HUANG, Lei DENG, Defu CHE

Journal Article

Effect of circulating ash from CFB boilers on NO and N

Xiangsong HOU, Shi YANG, Junfu LU, Hai ZHANG, Guangxi YUE

Journal Article

Design and application of a novel coal-fired drum boiler using saline water in heavy oil recovery

Junping GU, Yuxin WU, Liping WU, Man ZHANG, Hairui YANG, Junfu LYU

Journal Article

Fault simulation of boiler heating surface ash deposition in a power plant system

Weiwei ZHANG, Huisheng ZHANG, Ming SU

Journal Article

Heating energy performance and part load ratio characteristics of boiler staging in an office building

Da Young LEE, Byeong Mo SEO, Yeo Beom YOON, Sung Hyup HONG, Jong Min CHOI, Kwang Ho LEE

Journal Article

Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Journal Article

Heat flux distribution on circulating fluidized bed boiler water wall

LU Junfu, YUE Guangxi, YANG Hairui, ZHANG Jiansheng, YU Long, ZHANG Man, YANG Zhongming

Journal Article

Large eddy simulation of a 660 MW utility boiler under variable load conditions

Haoshu SHEN, Yuxin WU, Minmin ZHOU, Hai ZHANG, Guangxi YUE, Junfu LYU

Journal Article

Study on the NOx release rule along the boiler during pulverized coal combustion

JIN Jing, ZHANG Zhongxiao, LI Ruiyang

Journal Article

Mercury emission and adsorption characteristics of fly ash in PC and CFB boilers

Li JIA, Baoguo FAN, Xianrong ZHENG, Xiaolei QIAO, Yuxing YAO, Rui ZHAO, Jinrong GUO, Yan JIN

Journal Article

Effect of oil shale semi-coke on deposit mineralogy and morphology in the flue path of a CFB burning

Zhuo LIU, Jianbo LI, Mingming ZHU, Xiaofeng LU, Zhezi ZHANG, Dongke ZHANG

Journal Article

Application of digital holography to circle flow bed boiler measurement

PU Shiliang, WANG Qinghui, CEN Kefa, Denis Lebrun, REN Kuanfang

Journal Article

and structural study of ash deposits spatially distributed in superheaters of a large biomass-fired CFBboiler

Yishu XU, Xiaowei LIU, Jiuxin QI, Tianpeng ZHANG, Minghou XU, Fangfang FEI, Dingqing LI

Journal Article

Green and Low-Carbon Development Path of Boiler Equipment in China

Li Jun, Da Yaodong, Liu Xuemin, Yu Jiming, Chang Yongqiang, Hou Nana

Journal Article

mass air flow ratio on gas-particle flow characteristics of a swirl burner in a 29 MW pulverized coal boiler

Rong YAN, Zhichao CHEN, Shuo GUAN, Zhengqi LI

Journal Article