Heat exchangers molded from refractory material

Details Heat exchangers molded from refractory material Heat exchangers molded from refractory material

1987-04-17

1988-09-13

Cintins, Ivars

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By mechanically introducing gas into material

264 59, 264317, C04B 3332

Patent

active

047708280

ABSTRACT:
A process for making a monolithic heat-exchanger body includes the steps of arranging a plurality of rigid plastic tubular members in a mold, casting a composition comprising a refractory material and water into the mold and around the tubular member to form molded body, drying the molded body, and passing a hot gas through the tubular members in the molded body to remove them.

REFERENCES:
patent: 3923940 (1975-12-01), Hujii et al.
patent: 4308067 (1981-12-01), Guigonis et al.

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