Ceramic ferrule and ceramic ferrule refractory wall for shieldin

Details Ceramic ferrule and ceramic ferrule refractory wall for shieldin Ceramic ferrule and ceramic ferrule refractory wall for shieldin

1996-04-10

1997-07-15

Leo, Leonard R.

Heat exchange

With protector or protective agent

165 82, 165135, 165158, 165178, F28F 1900, F28F 902

Patent

active

056474326

ABSTRACT:
A ceramic ferrule, an array of ceramic ferrules, and a ceramic ferrule refractory wall, all for shielding a tube sheet/boiler tube assembly of a heat exchanger connected to an industrial heat source. The head portion of each ferrule replaces conventional cast refractory walls, and has an outer-peripheral shape that allows the ferrules to mate at the operating temperature of the industrial heat source. The mated ferrules expand and contract substantially independently of one another, but form a substantially gas-tight barrier for shielding the tube sheet/boiler tube assembly from the waste gas of the industrial heat source.

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Industrial Ceramics Limited catalog, Ceramic Boiler Protection Tubes, Date Unknown.
Drawing of Blasch Precision Ceramics' Hex Head Ferrule, Drawing No. 3090411, Apr., 1994.

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