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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 inferior coal like gangue and coal slime, high sulfur coal, anthracite, petroleum coke, oil shale and other resources. As 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 135 MW , 95 units of 300 MW , and 24 supercritical units. The statistics of typical 100–300 MW CFB boilers showed that the average number of unplanned shut-down was only 0.37 times per year, among which the 135 MW was 0.26 times per year and 300 MW was 0.46 times per year. The auxiliary power ratio of some 300 MW CFB boilers based on flow-pattern reconstruction can be reduced to about 4%, which is closed to the same level of pulverized coal (PC) boilers. This paper summarizes the development process and application status of China’s large-scale CFB boilers, analyzes the characteristics and technical performance of the iconic units, and introduces solutions to the problems such as water wall wear and bottom ash cooling.

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

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Carbon emission impact on the operation of virtual power plant with combined heat and power system

Yu-hang XIA,Jun-yong LIU,Zheng-wen HUANG,Xu ZHANG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5,   Pages 479-488 doi: 10.1631/FITEE.1500467

Abstract: amount of available renewable resources on the operation of VPPs and maintaining an economical supply of electricThis paper proposes the allocation of an electric boiler to realize wind power directly converted forAfter the electric boiler is considered in the VPP operation model of the combined heat and power systemtaken into account, the output of low carbon units is significantly increased, and the allocation of an electricboiler can facilitate the maximum absorption of renewable energy, which also reduces carbon emissions

Keywords： Virtual power plant (VPP)     Carbon emissions     Electric boiler     Wind power     Combined heat and power (CHP    

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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 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: power plants in China are now required to be operated in a wide load range and quickly respond to the electricThe 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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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 boiler

Keywords： HE-NE     function     convolution     two-phase     diffraction    

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Techno-economic analysis of the adoption of electric vehicles

Donald KENNEDY, Simon P. PHILBIN

Frontiers of Engineering Management 2019, Volume 6, Issue 4,   Pages 538-550 doi: 10.1007/s42524-019-0048-x

Abstract: Climate change and concerns over reliable supplies of hydrocarbons are aiding in the focus on electricAlthough sales of electric vehicles are accelerating, it may not be clear that purchasing an electricA techno- economic analysis of electric vehicles comparing them against hybrids, gasoline and dieselcomplexity of electrical power supply, infrastructure requirements and full life cycle concerns show that electric

Keywords： BEV     battery powered electric vehicle     environmental impact of electric vehicles     techno-economic analysis     gasoline versus electric powered cars     diesel versus electric cars     consumer behaviour    

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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 boilerevaporation method was proposed to further decrease the salinity of water in the clean water section of the boilerThe evaporating pipes of the salted water section were rearranged in the back pass of the boiler, whereThe 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 fluidized    

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Stem cell niches and endogenous electric fields in tissue repair

Li LI, Jianxin JIANG

Frontiers of Medicine 2011, Volume 5, Issue 1,   Pages 40-44 doi: 10.1007/s11684-011-0108-z

Abstract: are involved in the stem cell-based repair process, including stem cell niches and endogenous wound electricHere we briefly review the role of stem cell niches and endogenous electric fields in tissue repair,and hypothesize that endogenous electric fields become part of stem cell niche in the wound site.

Keywords： stem cell     stem cell niche     electric field     tissue repair    

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Recent progress in electric-field assisted combustion: a brief review

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 883-899 doi: 10.1007/s11708-021-0770-z

Abstract: Among the combustion technologies, electric-field assisted combustion is an advanced techno-logy thatIn the last two decades, tremendous efforts have been made to understand electric-field assisted combustionThese findings significantly facilitate the application of electric-field assisted combustion.

Keywords： electric field     combustion     flame stabilization     emission reduction     flame propagation    

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Design and characteristics of electric supercharger for diesel engine acceleration by additional rapid

YAO Chun-de, ZHOU Hong-xiu

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 409-412 doi: 10.1007/s11465-006-0048-5

Abstract: The ES (electric supercharger) driven by a high-speed brushless motor was developed to solve the problemThe structural design of the electric supercharger is novel, which makes it easier to set the lubricatingThe velocity distribution at the outlet of the electric supercharger is determined by hot-wire anemometryResearch results indicate that the electric supercharger can respond rapidly with the great flux, and

Keywords： acceleration     velocity distribution     high-speed brushless     turbocharger     electric supercharger    

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Lightweight design of an electric bus body structure with analytical target cascading

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0718-y

Abstract: In this study, a lightweight design of a newly developed multi-material electric bus body structure is

Keywords： electric vehicle     body in white (BIW)     lightweight     analytical target cascading (ATC)    

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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

Carbon emission impact on the operation of virtual power plant with combined heat and power system

Yu-hang XIA,Jun-yong LIU,Zheng-wen HUANG,Xu ZHANG

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

Application of digital holography to circle flow bed boiler measurement

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

Journal Article

Techno-economic analysis of the adoption of electric vehicles

Donald KENNEDY, Simon P. PHILBIN

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

Stem cell niches and endogenous electric fields in tissue repair

Li LI, Jianxin JIANG

Journal Article

Recent progress in electric-field assisted combustion: a brief review

Journal Article

Design and characteristics of electric supercharger for diesel engine acceleration by additional rapid

YAO Chun-de, ZHOU Hong-xiu

Journal Article

Lightweight design of an electric bus body structure with analytical target cascading

Journal Article