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:
Aug. 13, 2024
Filed:
Dec. 19, 2018
Applicants:
L'air Liquide, Societe Anonyme Pour L'etude ET L'exploitation Des Procedes Georges Claude, Paris, FR;
Eric Day, Hangzhou, CN;
Fei Gao, Hangzhou, CN;
Huali Xie, Hangzhou, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J 3/04 (2006.01);
U.S. Cl.
CPC ...
F25J 3/04818 (2013.01); F25J 3/04054 (2013.01); F25J 3/04296 (2013.01); F25J 3/04393 (2013.01); F25J 3/04412 (2013.01); F25J 3/04781 (2013.01); F25J 2230/08 (2013.01); F25J 2230/40 (2013.01); F25J 2240/04 (2013.01); F25J 2240/10 (2013.01); F25J 2245/40 (2013.01);
Abstract
In a process for starting up an air separation unit, which is at a temperature of above 0° C., the air separation unit comprising a main air compressor for compressing the feed air, a booster driven by a turbine and a venting conduit connected downstream of the booster and upstream of the main heat exchanger wherein in order to start up the air separation unit, once the turbine is operating at said given speed, the venting conduit is opened to send at least part of the air compressed in the booster from the booster outlet to the atmosphere.