System for preventing excess pressure in a gap between a double-

Details System for preventing excess pressure in a gap between a double- System for preventing excess pressure in a gap between a double-

1983-05-05

1984-07-17

Yuen, Henry C.

Heating

Heating or heat retaining work chamber structure

432217, 432216, 432 30, 432248, 110336, F24B 1408

Patent

active

044603355

ABSTRACT:
A blast heating apparatus includes an inner metal shell and an outer metal shell defining therebetween a gap filled with at least one pourable dry material, for example a mixture of SiC and graphite. To prevent excess pressure in the gap and to prevent condensate from entering the gap and attacking the outer shell, a piping system connects the gap to an area below the grate chamber of the blast heating apparatus.

REFERENCES:
patent: 692678 (1902-02-01), Koelkebeck
patent: 1421256 (1922-06-01), Kling
patent: 1461357 (1923-07-01), Kling
patent: 1771306 (1930-07-01), Nelson
patent: 2187191 (1940-01-01), Younglove
patent: 2272108 (1942-02-01), Bradley
patent: 2478293 (1949-08-01), MacDonald
patent: 3204939 (1965-09-01), Ipsen
patent: 4005982 (1977-02-01), Palz et al.
patent: 4022573 (1977-05-01), Kuntziger
patent: 4290751 (1981-09-01), Malone et al.

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