US 4,052,172 AGranted

Process for gasifying coal or other carbon containing material

AssigneeMitsubishi Jukogyo Kabushiki Kaisha

InventorsSeiichi Shirakawa, Koji Iwahashi, Akio Nishi, Keisuke Honda, Kiyomichi Taoda

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Abstract

A process and apparartus for gasifying coal or other carbon containing material in which at least a gas stream communicates which comprises providing a fluidizing bed reaction chamber disposed upstream and a jet-system reaction chamber disposed downstream, providing means for supplying an object of gasification such as coal and a gasifying agent in said jet-system reaction chamber, providing a dust removing device at the exit flue of said jet-system reaction chamber, said fluidizing bed reaction chamber having a system of supplying collected solid of said dust removing device, means for supplying a gasifying agent and means for taking out ashes.

Claims5

Dependent claims

A process for gasifying coal or other carbon containing material in which a gas stream communicates, comprising:

providing a fluidizing bed reactor chamber (1-2) disposed upstream and a jet-system reaction chamber (1-1) disposed downstream with respect to said gas stream,
providing means for supplying coal or other carbon containing material divided to 100-200 mesh (ASTM) and a gasifying agent selected from the group consisting of air and mixtures of air and steam (8,9) in sad jet-system reaction chamber (1-1), and
providing a dust removing device (11) at the exit flue (10) of said jet-system reaction chamber (1-1), said fluidizing bed reaction chamber (1-2) having a pipe means (13) for supplying collected solid of said dust removing device (11), means for supplying said gasifying agent (17), and means for taking out ashes (23).

Dependencies are inferred from the claim text.