The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 27, 2021
Filed:
Nov. 16, 2018
Tokuyama Corporation, Yamaguchi, JP;
Kenji Hirota, Yamaguchi, JP;
Katsuya Ogihara, Yamaguchi, JP;
TOKUYAMA CORPORATION, Yamayuchi, JP;
Abstract
To provide a fluidized-bed reaction vessel and a trichlorosilane production method each of which can reduce corrosion and wear of a reaction container inner wall, a fluidized-bed reaction vessel causes metallurgical grade silicon powder and hydrogen chloride gas to react with each other for production of trichlorosilane. The fluidized-bed reaction vessel includes a plurality of ejection nozzles () standing on a distributor plate () as a bottom surface of a container body. The ejection nozzles () each have a gas ejection opening () configured to allow hydrogen chloride gas to be ejected sideways. The plurality of ejection nozzles () include a first ejection nozzle () adjacent to an outer wall () of the container body, the first ejection nozzle () having a gas ejection opening () in such a pattern as to prevent hydrogen chloride gas from being ejected toward the outer wall ().