Oil shale semicoke fluidized combustion circulation gas heating technology
A technology for oil shale semi-coke and circulating gas, which is applied in the petroleum industry, direct heating dry distillation, coke oven and other directions to achieve the effect of solving environmental problems
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[0020] Hereinafter, the present invention will be further explained with the drawings and embodiments.
[0021] Reference figure 1 In the oil shale semi-coke fluidized combustion cycle gas heating process of the present invention, the oil shale semi-coke >0~15mm is fed from the feed port 3 into the fluidized bed furnace 1, and the remaining gas is fed from the remaining gas burner 4 Fluidized bed furnace 1, semi-coke and residual gas enter the fluidized bed furnace 1 and burn at low temperature at 850~950℃; part of the heat released by the combustion of semi-coke and residual gas in the fluidized bed furnace 1 heats the membrane walls around the furnace Part of the circulating gas flowing in the heat exchanger 2 flows through the high-temperature air preheating tube heat exchanger 19, the high-temperature gas heating tube heat exchanger 17, and the medium-temperature gas heating heating tube heat exchanger. 14 and the low-temperature air preheating tube heat exchanger 13, the fl...
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