Bed temperature modeling and forecasting of Circulating Fluidized Bed boiler based on SMO algorithm

2010 ◽  
Author(s):  
Liao Wei ◽  
Chen Jianhua ◽  
Gu Yan
Keyword(s):  
Fluidized Bed ◽  
Circulating Fluidized Bed ◽  
Circulating Fluidized Bed Boiler ◽  
Temperature Modeling ◽  
Bed Temperature ◽  
Modeling And Forecasting ◽  
Smo Algorithm

Lignite-Fired CFB Boiler SO2, NO Emission Control Technology Research

2014 ◽  
Vol 989-994 ◽  
pp. 256-259
Author(s):  
Jian Meng Yang ◽  
Bi Zheng Wang ◽  
Wei Wang
Keyword(s):  
Fluidized Bed ◽  
Circulating Fluidized Bed ◽  
Emission Control ◽  
Emission Characteristics ◽  
Control Technology ◽  
Technology Research ◽  
Circulating Fluidized Bed Boiler ◽  
No Emission ◽  
Cfb Boiler ◽  
Bed Temperature

For study on SO2 and NO emission characteristics of circulating fluidized bed boiler experiments were carried out in a 300MW circulating fluidized bed boiler. In these experiments, the variables were the amount of limestone and bed temperature. While conducting the test, the reasons for the changes in emission were analyzed, and some advices about combustion adjustment were proposed.

Experimental Study on Technical Difficulties of Botswana First Circulating Fluidized Bed Boiler during Loading Process

2013 ◽  
Vol 721 ◽  
pp. 357-362
Author(s):  
Guang Zeng ◽  
Sen Lin Zhao ◽  
Lai Wei ◽  
Run Ze Huang ◽  
Modiri Badirwang
Keyword(s):  
Fluidized Bed ◽  
Influencing Factors ◽  
Circulating Fluidized Bed ◽  
Stable Operation ◽  
Circulating Fluidized Bed Boiler ◽  
Cfb Boiler ◽  
Full Load ◽  
Loading Process ◽  
Bed Temperature ◽  
Boiler Operation

For study of technical difficulties that make Botswana first CFB (Circulating Fluidized Bed) boiler can’t reach full load at beginning of loading process, first experiments were carried out as awful experimental cases to analyze influencing factors; Second experiments were carried out as tentative experimental cases to select useful solutions; Third experiments were carried out as targeted experimental cases to execute chose solutions. Results indicate that one prominent difficulty during CFB boiler reaching full load is that boiler operation bed temperature was too high which was a comprehensive effect with some other influencing factors. CFB boiler bed temperature MFT (Main Fuel Trip) set point slight increasing, grain size changing of both start-up material and feeding coal, limestone injecting, fluidizing air of seal pot and FBHE appropriate controlling and FBHE (Fluid Bed Heat Exchanger) gradually start working are taken simultaneously, all these effective solutions solve the technical difficulties and accelerate the boiler reach full load, but attentions still need to be paid for the boiler stable operation permanently in future.

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