Reactor for the production of short ceramic fibers from gas

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Pigment or carbon black producer

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422150, 422152, 422158, 4234471, 4234473, C09C 144

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056394292

ABSTRACT:
The production of fibers is carried out by allowing a gas mixture containing a gaseous hydrocarbon or an appropriate gas to pass through a substrate (generally a steel sheet) arranged facing the direction of the gas stream and situated in a furnace wherein the gas reaches a temperature of 1.000.degree. C. approximately. The schematized device is comprised of the corresponding gas reservoirs, that is to say the hydrocarbon gas and the carrying and activating gas, a mixing and preheating chamber, the furnace at the outlet of which are collected or burnt the inflammable gases and the grid from the surface of which, duly activated, the carbon fibers may grow. The gist of the invention is that the gas goes through the substrate situated facing the flow, so that said flow of gas is parallel to the direction of the fiber growth. The maximum length of the fibers is set by the distance between the substrate and a substrate or mask situated at the other extremity of the chamber.

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Patent Kokai 1-92421; (Nov. 4, 1989); Application No. 62-246672; (Sep. 30, 1987); Name of the Invention: Manufacturing Method of a Carbon Fibre by Growth 1 a Gaseous Phase; Inventors: Endo and Cols. 5.
Tensile Strength of Carbon Fibres Grown From Gas Hydrocarbons; A. Madronero; Possibilities and Perspectives of Carbon Fibres Produced by a Decomposition of Gas Hydrocarbons, by A Madronero De la Cal. And
Cenium 0790; Preparation of Microscopie Carbon Fibres by the Vapour Phase Method; Jap. Pat. 61-34221 (Feb. 18, 1986).

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