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U.S. Department of Energy
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Apparatus for the conversion of coal to gas, liquid and solid products

Patent ·
OSTI ID:5704424
This patent describes an apparatus for the conversion of coal to gas, liquid and solid products comprises: a pyrolysis chamber having an inlet for coal and an outlet for gas; a gasification chamber having an inlet for oxygen and steam and an outlet for a solid product; means interconnecting the pyrolysis chamber and the gasification chamber for delivering all solid residue to the gasification chamber and for delivering all hot gases to the pyrolysis chamber, means for transferring heat from the gasification chamber to the pyrolysis chamber by conduction; at least one baffle in the gasification chamber extending inwardly and downwardly from the inner walls of the chamber; means for adding heat to the gasification chamber; means for removing gas leaving the gas outlet of the pyrolysis chamber and delivering the removed gas to a location separated from the pyrolysis chamber, and means for cooling gas delivered to the location to condense some of the gas while leaving some of the gas in gaseous form.
Assignee:
Jack I. Bonasso, Carolina, W.Va., and James T. Harper, Chamblee, GA
Patent Number(s):
US 4704135
OSTI ID:
5704424
Country of Publication:
United States
Language:
English