Coal gasification apparatus

Details Coal gasification apparatus Coal gasification apparatus

C - Chemistry, Metallurgy

10

J

48/11

C10J 3/20 (2006.01)

Patent

CA 1075903

Abstract of the Disclosure Coal gasification apparatus having a hydrogenation gasifier chamber for gasifying a portion of coal charge and a steam gasifier vessel for gasify ing unconverted coal from the hydrogenation chamber with the chamber disposed above the vessel and a pressure lock interposed between the outlet of the chamber and the inlet of the vessel to permit unconverted coal to flow into the vessel and prevent gas generated therein from passing into the chamber. An oxygen inlet is provided at the lower end of the vessel for residual- oxidation of remaining coal. A heat exchanger is provided for heat exchange between hot gas leaving vessel and incoming steam. The chamber may be preceded by a steam-heated heating tank for preheating the coal under pressure and then suddenly decompressing the coal.

273215

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