Process for the production of finely granulated solid chemical c

Details Process for the production of finely granulated solid chemical c Process for the production of finely granulated solid chemical c

1996-04-30

1997-12-16

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By vibration or agitation

264140, 366303, 366307, 425 6, 425209, B29B 910

Patent

active

056981422

ABSTRACT:
A method for the production of finely particulate solid chemical products from a molten stock comprises the steps of: (a) feeding the product, as molten stock, to an elongated treatment space, sealed from the ambient; (b) causing the product to flow as a flowable mass within space, while leaving a free portion of said space above the surface of said mass; (c) maintaining in said space an atmosphere that is non-reactive with said product; (d) subjecting said product to a stirring and mixing action by rotary means; (e) concurrently cooling said product as it proceeds along said space, whereby to solidify it; (f) concurrently detaching any product that adheres to surfaces within said space; and (g) discharging the solidified product, in the form of solid particles, from said elongated treatment space.

REFERENCES:
patent: 4669966 (1987-06-01), v. Deuren
patent: 4826324 (1989-05-01), Kunz et al.
patent: 4889431 (1989-12-01), Liechti
patent: 5121992 (1992-06-01), List et al.
patent: 5147135 (1992-09-01), List et al.
patent: 5415884 (1995-05-01), Manser et al.
Patent Abstracts of Japan, vol. 5, No. 62 (C-052), Apr. 25, 1981 & JP-A-56 012328 (Ube Ind. Ltd.), Feb. 6, 1981, & Database WPI Derwent Publications Ltd., London GB; AN 81-22480.
Patent Abstracts of Japan, vol. 6, No. 41 (C-211), Feb. 22, 1984 & JP-A-58 199034 (Sumitomo Kinzoku Kogyo KK), Nov. 19, 1983.

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