Chamber having a hot zone and a cold zone and at least one gas i

Details Chamber having a hot zone and a cold zone and at least one gas i Chamber having a hot zone and a cold zone and at least one gas i

1991-09-10

1992-12-29

Yuen, Henry C.

Heating

Having condition responsive control

Of purger, purge period, scavenger or cleaner

432253, 432 64, 432202, F27D 1900, F27D 500

Patent

active

051747480

ABSTRACT:
A reactor (100) is provided which comprises an enclosure (1,2,3) which has along its longitudinal axis (4--4') a hot zone (1), a cold zone (2) and between the hot and the cold zone an intermediate zone (3) and which has at least one gas inlet tube (12,32). The reactor further comprises a heat-insulating plug (30) for being positioned in the intermediate zone (3) to prevent a gas-flow from the hot zone (1) to the cold zone (2) of the enclosure (1,2,3) and coupling means (13,102;33,36) for transmitting gas from the gas inlet tube (12;32) into the hot zone (1). The use of the heat insulating plug (30) prevents deposition of unwanted material on the walls of the cold zone (2) of the reactor.

REFERENCES:
patent: 2688094 (1954-08-01), Dumond
patent: 4955808 (1990-09-01), Miyagawa
patent: 4958363 (1990-09-01), Nelson et al.
patent: 4976612 (1990-12-01), Adams
patent: 4992044 (1991-02-01), Philipossian
patent: 5118286 (1992-06-01), Sarin

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