Coke oven gas cracking and coke dry quenching integrated process and device
A coke oven gas and purification device technology, applied in coke ovens, chemical industry, coke cooling, etc., can solve the problems of low heat value of coke oven gas, high impurity content, and a large amount of natural hot gas resources provided by the ironmaking industry
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[0022] like figure 1 As shown, an integrated process of coke oven gas cracking and coke CDQ:
[0023] 1) The ~750°C high-temperature raw coal gas from the coke oven enters the middle part of the cracking CDQ furnace 1, and the high-temperature raw gas coming in from the middle part of the cracking CDQ furnace 1 flows upwards and downwards from the hot high-temperature coke in the middle part of the cracking CDQ furnace 1-7 Heat exchange and heat up to ~1050°C for high-temperature cracking, and the gas after high-temperature cracking is sent out from the upper part of cracking CDQ furnace 1;
[0024] 2) Coal gas at ~750°C is extracted from the middle part of the cracking CDQ furnace 1 as circulating cooling gas, which is recovered by the waste heat boiler 2 and cooled to 160°C, then pressurized by the circulating fan 2 and sent into the furnace from the lower part of the cracking CDQ furnace 1, from bottom to top Gradually cool the cokes 1-7 in the lower part of the cracking C...
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