CFB oxygen-enriched combustion smoke near zero emission power generation system
An oxygen-enriched combustion and near-zero emission technology, applied in the field of coal-fired boilers in power stations, can solve problems such as waste of resources, recycling, and increased operating costs, and achieve good commercial value, enhance adaptability, and improve boiler efficiency.
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[0023] In order to make the present invention more comprehensible, a preferred embodiment is described in detail below with accompanying drawings.
[0024] figure 1 It is an example of a CFB oxygen-enriched combustion flue gas near-zero emission power generation system. The CFB oxygen-enriched combustion flue gas near-zero emission power generation system consists of a boiler (1), a powder feeding system (2), an air separation device (3), and a chimney (4) , flue gas preheater (5), low temperature heat exchanger (6), dust collector (7), recirculation fan (8), induced draft fan (9), ultra-low temperature heat exchanger (10), condensing heat exchanger ( 11), dehydration device (12), SO2 separation device (13), CO2 capture device (14), filter dust collector (15), N 2 Separator (16), NOx reaction device (17).
[0025] The air separation device (3) is connected with the air supply pipe, and the separated oxygen is sent into the air supply pipe through the valve control, and the r...
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