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. 19, 2024
Filed:
Mar. 07, 2022
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Oskar Stephan, Ludwigshafen, DE;
Karl-Friedrich Schneider, Altrip, DE;
Matthias Weismantel, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 19/06 (2006.01); C23C 2/06 (2006.01); C23C 2/28 (2006.01); F26B 3/04 (2006.01); F26B 17/04 (2006.01); F26B 21/02 (2006.01);
U.S. Cl.
CPC ...
F28F 19/06 (2013.01); C23C 2/06 (2013.01); C23C 2/28 (2013.01); F26B 3/04 (2013.01); F26B 17/04 (2013.01); F26B 21/02 (2013.01);
Abstract
The invention relates to a heat exchanger for heating gas to a temperature in the range from 150 to 400° C., wherein the gas is heated by indirect heat transfer and all the surfaces of the walls of the heat exchanger which come into contact with the gas have been hot dip galvanized and the surfaces which come into contact with the gas, after the hot dip galvanization, have been heat treated at a temperature in the range from 400 to 750° C. The invention further relates to the use of the heat exchanger.