High-efficiency and clean coal gasification process
A coal gasification and clean technology, applied in the field of coal chemical industry
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[0006] The pretreated raw coal enters the low-temperature gasification furnace or coking furnace 1 from the coal conveyor 2, and the gasification agent containing oxygen is sent to the low-temperature gasification furnace 1 through the gasification agent nozzle 3 for low-temperature gasification or combustion gas passes through the gas nozzle 3 Enter the coking furnace 1 for internal combustion and heating for coking. The crude gas or coke oven gas produced passes through the coal tar and chemical recovery device 4. After recovering coal tar and chemicals, it enters the gas and coal powder mixing conveying device 5. After the crude gas or coke A certain amount of pulverized coal or other carbon-containing substances are added to the furnace gas and enter the high-temperature entrained-bed gasification furnace 8, and the high-temperature gasification reaction is carried out together with the oxygen or the gasification agent containing oxygen added through the gasification agent n...
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