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:
May. 20, 1986
Filed:
Feb. 19, 1985
Hans van der Wal, Amsterdam, NL;
Hendrik J Scheffer, Amsterdam, NL;
Shell Oil Company, Houston, TX (US);
Abstract
The present invention relates to a movable catalyst bed reactor provided with catalyst bed supporting and guiding means in the shape of one or more downwardly converging conical surfaces with one or more vertical outlet channels connected to the lower end(s) of the conical surface(s), the supporting and guiding means comprising one or more screen sections for withdrawal of reactor effluent from the catalyst, and separate outlet means for reactor effluent and catalyst, wherein the vessel is further provided with conduit means for forming a protecting layer of substantially spherical particles along the surface(s) of the screen section(s) facing catalyst, which layer is movable along the screen section(s).