Coal pyrolysis gasification polygeneration device and process based on circulating fluidized bed
A circulating fluidized bed and polygeneration technology, which is used in the combined production of tar, coal gas and activated coke, in the fields of electricity and heat, can solve the problem of high dust content in pyrolysis gas, difficult utilization of dusty tar, and difficulty in purification and treatment. and other problems, to achieve the effect of realizing economic benefits, avoiding the secondary separation process, and outstanding purification effect
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[0030] The present invention organically couples the circulating fluidized bed boiler, the moving bed pyrolysis reactor and the moving bed gasifier. As a purification device for pyrolysis gas, bed gasifier plays the role of online dust removal for pyrolysis gas. The gasified active coke is discharged from the reaction system as a by-product. In this way, through the organic combination of the three stages of pyrolysis-gasification-combustion, the hierarchical and optimal utilization of coal resources can be realized, and the joint production of heat, electricity, tar, gas, and active coke can be carried out, and at the same time, the problems of gasification gas, heat To solve the purpose of efficient purification of gas.
[0031] Below in conjunction with accompanying drawing and specific embodiment the present invention will be further described:
[0032] A coal pyrolysis gasification polygeneration device based on a circulating fluidized bed, comprising a circulating flui...
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