Tail flue built-in loop-shaped circulating fluidized bed boiler and driving power generation system thereof
A circulating fluidized bed and tail flue technology, applied in fluidized bed combustion equipment, machines/engines, indirect carbon dioxide emission reduction, etc. and other problems to achieve the effect of realizing energy, improving uniformity, avoiding heat absorption and serious temperature unevenness
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[0043] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.
[0044] As shown in Figure 1(a), the inventors have found through research that the tail flue 27 of the circulating fluidized bed boiler in the prior art is arranged on the side of the boiler body 26, which is one of the reasons for the asymmetry of the structure of the separator outlet flue. one. At present, almost all circulating fluidized beds use the tail flue located on one side of the furnace body, and the flue gas from the outlets of multiple separators is sequentially collected into one or two upper flues, and then leads to the tail flue. The fluidized bed boiler system of this design occupies a large area as a whole. At the same time, this sequentially converging flue structure fundamentally determines the difference in the dynamic state at the outlet of each separator, resulting in uneven working conditions of the separators. . The ...
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