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:
Dec. 24, 1985
Filed:
Dec. 14, 1983
Donald R Cutler, Bolingbrook, IL (US);
Chicago Bridge & Iron Company, Oak Brook, IL (US);
Abstract
A falling film freeze exchanger, heat exchanger or crystallizer having a plurality of spaced apart vertical tubes secured in, and penetrating, an upper circular tube sheet and a lower circular tube sheet; each tube having a top end and a bottom end; a circular cylindrical shell around the tube sheets and connected thereto; the shell having a heat exchange fluid inlet and a heat exchange fluid outlet for circulating heat exchange fluid around the tubes between the tube sheets; a header surrounding and joined to the upper part of the shell and extending above the top tube sheet and above the top end of the tubes; means to deliver a liquid process feed stream into the header; and wiper means, adapted to rotate about a vertical axis, in contact with the top ends of the tubes.