Chemistry: physical processes – Physical processes – Crystallization
Patent
1975-02-03
1977-11-29
Tayman, Jr., James H.
Chemistry: physical processes
Physical processes
Crystallization
23284, 23262, 232595, 23288S, 201 36, 201 34, 201 31, 48196R, 48213, 48214R, 34 57A, 432 15, 432 58, 252421, B01J 100
Patent
active
040603938
ABSTRACT:
An apparatus for treating raw material comprises a mixing chamber having fuel and air inlets for admitting therein fuel and air which are mixed to produce a combustible mixture. A combustion chamber receives the combustible mixture and burns the same to evolve hot products of combustion which are fed directly into an adjoining conditioning chamber. Additional gas is supplied to the conditioning chamber and mixed with the products of combustion to form a conditioned treating gas having a prescribed temperature and composition. To promote rapid and uniform mixing of the gases and hence form a uniform treating gas, the conditioning chamber is connected directly to and has a volume one and one-half to six times greater than that of the combustion chamber. A treating chamber disposed downstream from the conditioning chamber receives both the preconditioned treating gas and the raw material to be treated and the raw material is acted thereon by the treating gas while temporarily stored in the treating chamber.
REFERENCES:
patent: 2662813 (1953-12-01), Packie
patent: 2698171 (1954-12-01), Schoenmakers et al.
patent: 2767233 (1956-10-01), Mullen et al.
patent: 3116344 (1963-12-01), Deisler, Jr.
patent: 3567395 (1971-03-01), Henderson et al.
Adams Bruce L.
Burns Robert E.
Lobato Emmanual J.
Mifuji Iron Works Co., Ltd.
Tayman, Jr. James H.
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