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:
Jan. 16, 1990
Filed:
Sep. 14, 1988
David Westerman, Amsterdam, NL;
Franciscus J Schrauwen, Amsterdam, NL;
Shell Oil Company, Houston, TX (US);
Abstract
Multitube reactor for carrying out a process for catalytic conversion, comprising a normally substantially vertically extending vessel, a plurality of open-ended reactor tubes (2) arranged in the vessel parallel to its central longitudinal axis of which the upper ends are fixed to an upper tube plate (5) and in fluid communication with a fluid inlet chamber (8) above the upper tube plate (5) and of which the lower ends are fixed to a lower tube plate and in fluid communication with an effluent collecting chamber below the lower tube plate, an inlet (13) for supplying liquid to the fluid inlet chamber (8), inlet for supplying gas to the fluid inlet chamber (8), and an effluent outlet arranged in the effluent collecting chamber, wherein the upper end part of each reactor tube is provided with a cap (25) having a gas inlet opening (27), which defines a liquid inlet (28) and an outlet (30) in fluid communication with the upper end part of the reactor tube (2), and a liquid riser (33) extending between a level in the layer (40) of liquid which is during normal operation present in the fluid inlet chamber (8) and the liquid inlet (28) of the inlet chamber (26).