In China, there are a large number of pulverized coal-fired industrial boilers, whose steam capacities are usually relatively small. These boilers can burn only high-grade coal and have low combustion efficiency. Furthermore, the combustion emissions, such as SO2 and NOx, pollute the environment severely. Therefore it is very important and urgent to adopt economically efficient and environmentally friendly technologies to retrofit these boilers. At the same time, there are many industrial wastes, such as bagasse, wood waste, rubbish, petroleum coke and so on, need burning disposal in China. Fluidized bed combustion technology is a kind of clear combustion technology, which has many advantages, such as excellence fuel flexibility, high combustion efficiency, low pollutant emission and good turndown capability etc. So, adopting fluidized bed combustion technology, retrofitting pulverized coal-fired boiler into fluidized bed boiler can realize pure burning various wastes or co-firing with coal, which should have great economic benefits and social benefits. And the application prospect of the method is also extensive. The State Key Laboratory of Coal Combustion has successfully retrofitted a 25t/h pulverized coal-fired boiler into circulating fluidized bed boiler with in-bed tubes and downward exhaust cyclone. The retrofitted boiler can burn mixture of coal and bagasse and the steam capacity reaches 35t/h. This paper presents the retrofitting measures and the operation status of the boiler after retrofitting.
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18th International Conference on Fluidized Bed Combustion
May 22–25, 2005
Toronto, Ontario, Canada
Conference Sponsors:
- Advanced Energy Systems
ISBN:
0-7918-4183-9
PROCEEDINGS PAPER
Retrofitting 25T/h Pulverized Coal-Fired Boiler Into 35T/h Circulating Fluidized Bed Boiler for Burning Mixture of Coal and Bagasse Available to Purchase
Han-Ping Chen,
Han-Ping Chen
Huazhong University of Science and Technology, Wuhan, Hubei, P. R. China
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Xian-Hua Wang,
Xian-Hua Wang
Huazhong University of Science and Technology, Wuhan, Hubei, P. R. China
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Shi-Hong Zhang,
Shi-Hong Zhang
Huazhong University of Science and Technology, Wuhan, Hubei, P. R. China
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De-Chang Liu,
De-Chang Liu
Huazhong University of Science and Technology, Wuhan, Hubei, P. R. China
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Yu-Hua Lai,
Yu-Hua Lai
Design and Research Institute of Guangxi Energy-Saving Technology, Nanning, Guangxi, P. R. China
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Jian-Xin Tian,
Jian-Xin Tian
Design and Research Institute of Guangxi Energy-Saving Technology, Nanning, Guangxi, P. R. China
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Shao-You Jiang,
Shao-You Jiang
GuangXi Lutang Sugar Refinery, Lutang, GuangXi, P. R. China
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Shao-Peng Wei,
Shao-Peng Wei
GuangXi Lutang Sugar Refinery, Lutang, GuangXi, P. R. China
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Jian-Hui Liu,
Jian-Hui Liu
GuangXi Lutang Sugar Refinery, Lutang, GuangXi, P. R. China
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Ming-Ge Huang
Ming-Ge Huang
GuangXi Lutang Sugar Refinery, Lutang, GuangXi, P. R. China
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Han-Ping Chen
Huazhong University of Science and Technology, Wuhan, Hubei, P. R. China
Xian-Hua Wang
Huazhong University of Science and Technology, Wuhan, Hubei, P. R. China
Shi-Hong Zhang
Huazhong University of Science and Technology, Wuhan, Hubei, P. R. China
De-Chang Liu
Huazhong University of Science and Technology, Wuhan, Hubei, P. R. China
Yu-Hua Lai
Design and Research Institute of Guangxi Energy-Saving Technology, Nanning, Guangxi, P. R. China
Jian-Xin Tian
Design and Research Institute of Guangxi Energy-Saving Technology, Nanning, Guangxi, P. R. China
Shao-You Jiang
GuangXi Lutang Sugar Refinery, Lutang, GuangXi, P. R. China
Shao-Peng Wei
GuangXi Lutang Sugar Refinery, Lutang, GuangXi, P. R. China
Jian-Hui Liu
GuangXi Lutang Sugar Refinery, Lutang, GuangXi, P. R. China
Ming-Ge Huang
GuangXi Lutang Sugar Refinery, Lutang, GuangXi, P. R. China
Paper No:
FBC2005-78041, pp. 611-615; 5 pages
Published Online:
October 7, 2008
Citation
Chen, H, Wang, X, Zhang, S, Liu, D, Lai, Y, Tian, J, Jiang, S, Wei, S, Liu, J, & Huang, M. "Retrofitting 25T/h Pulverized Coal-Fired Boiler Into 35T/h Circulating Fluidized Bed Boiler for Burning Mixture of Coal and Bagasse." Proceedings of the 18th International Conference on Fluidized Bed Combustion. 18th International Conference on Fluidized Bed Combustion. Toronto, Ontario, Canada. May 22–25, 2005. pp. 611-615. ASME. https://doi.org/10.1115/FBC2005-78041
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