Apparatus and method to keep the walls of a free-space reactor f

Details Apparatus and method to keep the walls of a free-space reactor f Apparatus and method to keep the walls of a free-space reactor f

1982-09-08

1985-02-19

Richman, Barry

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

15406, 134 37, 422129, B08B 502, C09C 128

Patent

active

045004927

ABSTRACT:
An apparatus (21) and method is disclosed for keeping interior walls (28) of a reaction vessel (22) free of undesirable deposits of solid materials in gas-to-solid reactions. The apparatus (21) includes a movable cleaning head (36) which is configured to be substantially complementary to the interior contour of the walls (28) of the reaction vessel (22) and which is disposed in close proximity to the walls (28). The head (36) ejects a stream of gas with a relatively high velocity into a narrow space between the head (36) and the walls (28), and in accordance with Bernoulli's principle the head (36) is biased towards the walls (28) by the pressure prevailing in the reaction vessel (22). The gas ejected from the head (36) is of such composition that it does not participate significantly in the chemical reaction conducted in the reaction vessel (22). The head (36) is moved substantially continuously to at least intermittently blow the stream of gas to substantially the entire surface of the walls (28) wherein undesirable solid deposition is likely to occur. The disclosed apparatus and process is particularly useful for keeping the walls (28) of a free-space silane-gas-to-solid-silicon reactor (22) free of undesirable silicon deposits.

REFERENCES:
patent: 1772984 (1930-08-01), Crommett
patent: 2986451 (1961-05-01), Wilson et al.
patent: 3001335 (1961-09-01), Lovely
patent: 3391998 (1968-07-01), Groves et al.
patent: 3522016 (1970-07-01), Groves et al.
patent: 3550177 (1970-12-01), Darr et al.
patent: 3635901 (1972-01-01), Urgesi et al.
patent: 3835910 (1974-09-01), Westphal
patent: 3836434 (1974-09-01), Novy
patent: 3848289 (1974-11-01), Bachmann
patent: 4026701 (1977-05-01), Till et al.
patent: 4210976 (1980-07-01), Apelt et al.
patent: 4242311 (1980-12-01), Middaugh

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