Liquid heaters and vaporizers – Tubes and connections
Patent
1996-07-12
1998-07-07
Bennett, Henry A.
Liquid heaters and vaporizers
Tubes and connections
122512, 1651341, F22B 3706
Patent
active
057752699
ABSTRACT:
A boiler protection tube assembly having an inner ceramic sleeve, a ceramic block and an outer ceramic sleeve. The inner ceramic sleeve is of a high-strength, heat resistant ceramic material with at least moderate thermal shock resistance. The outer ceramic sleeve is of a heat resistant, insulating ceramic fiber and extends around the outer sleeve along its length. The inner and outer sleeve are insertable through a hole which extends through the ceramic block into an end of a condenser tube of a tube sheet boiler. The outer ceramic sleeve reduces heat flow between the inner ceramic sleeve and both of the ceramic block and the condenser tube. The ceramic block has a plurality of side faces generally perpendicular to the inner and outer faces to enable the blocks to be installed with side faces adjacent to corresponding side faces of adjacent blocks.
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Bennett Henry A.
Industrial Ceramics Limited
Wilson Gregory
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