F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
257/15
F28D 7/00 (2006.01) C10J 3/86 (2006.01) F28F 9/02 (2006.01) F28F 19/00 (2006.01)
Patent
CA 1196909
14 ABSTRACT OF THE DISCLOSURE This invention provides a heat exchanger con- taining a pressure equalized, fluid cooled tube sheet. The invention comprises a heat exchanger with a cooling subsystem and a pressure equalizing system and is used in cooling raw gas from a carbonaceous material gasification system. This raw gas contains entrained particles from gasified material which acts as a severe abrasive. The tube sheet on which this raw gas directly impinges is cooled by a liquid cooling system at the same pressure as the raw gas, using a pressure equalizing system comprising a surge tank with a gas/liquid interface to allow pressure transmittal without movement of one fluid into the system of the other fluid. In a preferred form, the cooled, pressure equalized tube sheet can be removable.
426401
Krw Energy Systems Inc.
Mcconnell And Fox
LandOfFree
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