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U.S. Department of Energy
Office of Scientific and Technical Information

Coal gasification plant

Patent ·
OSTI ID:5539911
A removable annular hearth member, shaped to fit over the slag outlet member of a slagging gasifier, comprises a cast body of high thermal conductivity having integral liquid coolant passageways, the central openings of the annular hearth member and slag outlet member being arranged in vertical alignment for the discharge of slag, and the lower portion of the hearth member opening having a lip or beak extending downwardly so as to form a sealed joint with the slag outlet opening whereby in operation of the gasifier to prevent preparation of molten slag therebetween.
Assignee:
British Gas Corp (United Kingdom)
Patent Number(s):
US 4192654
OSTI ID:
5539911
Country of Publication:
United States
Language:
English