IGFC system and method for producing oxygen by using cathode tail gas of high-temperature fuel cell
A high-temperature fuel cell and cathode technology, applied in the field of IGFC system, can solve the problems of high energy consumption and complex system, and achieve the effects of reduced equipment investment, simplified system process, and low energy consumption for oxygen production
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[0024] The present invention is described in further detail below in conjunction with accompanying drawing:
[0025] Such as figure 1 As shown, it is the IGFC system of the present invention using high-temperature fuel cell cathode tail gas to produce oxygen, including a coal preparation unit 1, a gasifier 2, a waste heat boiler 3, a dust removal unit 4, and a first gas heater 5 connected in sequence , high temperature fuel cell 15, catalytic burner 18, gas turbine 19 and waste heat boiler 20.
[0026] The inlet of the gasification furnace 2 is connected to the outlet of the high-temperature ion transport membrane technology oxygen production unit 22, and an oxygen compressor 23 is arranged between the gasification furnace 2 and the high temperature ion transport membrane technology oxygen production unit 22.
[0027] The outlet of the high-temperature ion transport membrane technology oxygen production unit 22 is connected to the entrance of the catalytic burner 18 , and a n...
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