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:
Mar. 21, 1989
Filed:
Jan. 20, 1987
Applicant:
Inventors:
Andrew M Huey, Lake Jackson, TX (US);
Arthur R Shirley, Jr, Florence, AL (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 80 ; 55269 ; 165 61 ; 165111 ;
Abstract
A process of removing dust collected on the internal surfaces of a shell and tube type heat exchanger after passing a dust containing gas stream through the shell-side of a heat exchanger, by passing a heating fluid through the tube-side of the heat exchanger at a temperature sufficient to melt the dust particles, and collecting the melt at the bottom most portion of the heat exchanger in a melt collection device such as a pan or container.