Coke oven flue gas waste heat utilization and purification method
A technology for flue exhaust gas and coke oven flue, which is applied in chemical instruments and methods, separation methods, and dispersed particle separation, etc., can solve problems such as high energy consumption, high investment, and large system, so as to achieve sufficient sources and reduce energy consumption Effect
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[0014] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:
[0015] See figure 1 , is a process layout diagram of an embodiment of a coke oven flue exhaust gas waste heat utilization and purification system embodiment of the present invention, including a waste gas waste heat recovery unit 1, a low-temperature SCR desulfurization and denitrification unit 2, a ventilation unit 3, a coke supply unit 5, and a flue gas final purification unit 4 and the coke discharge unit 6, the coke oven flue 7 is connected to the flue gas inlet of the low-temperature SCR desulfurization and denitrification unit 2 through the exhaust gas waste heat recovery unit 1, and the external ammonia gas pipeline is connected to the ammonia inlet of the low-temperature SCR desulfurization and denitrification unit 2; The coke supply unit 5 includes a hoist 51 and a scraper conveyor 52. The outlet of the scraper conveyor 52 is connected to...
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