Fuel and gas-fired boiler oxygen-enriched combustion smoke nearly-zero-emission power generation system
A gas-fired boiler and oxygen-enriched combustion technology, which is applied in the field of gas-fired boiler oxygen-enriched combustion for power generation and fuel oil, can solve problems such as recycling, increased operating costs, and waste of resources to achieve enhanced adaptability, improved boiler efficiency, and better business value effect
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[0022] In order to make the present invention more comprehensible, a preferred embodiment is described in detail below in conjunction with the accompanying drawings.
[0023] figure 1 For example, the fuel and gas boiler oxy-fuel combustion flue gas near-zero emission power generation system. The fuel-fired and gas-fired boiler oxy-fuel combustion flue gas near-zero emission power generation system consists of a boiler (1), a wind box (2), an air separation device (3), Burner (4), flue gas preheater (5), low temperature heat exchanger (6), recirculation fan (8), induced draft fan (9), ultra-low temperature heat exchanger (10), condensation heat exchanger (11) ), dehydration device (12), SO2 separation device (13), CO2 capture device (14), N 2 It consists of separator (16), NOx reaction device (7) and chimney (15).
[0024] The air separation device (3) is connected to the wind box (2), and the separated oxygen is sent to the wind box (2) through the valve control, and the recircul...
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