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. 26, 2000
Filed:
May. 12, 1997
Joseph M Klobucar, Detroit, MI (US);
Durr Environmental, Inc., Plymouth, MI (US);
Abstract
A method of cooling a regenerative thermal oxidizer down rapidly includes the steps of increasing the cycle time of the heat exchangers once a decision has been made to shut the regenerative thermal oxidizer down. By increasing the cycle time, the regenerative thermal oxidizer rejects more heat from the system. That is, the efficiency of the system goes down, and more heat is lost. In this way, the system approaches an ambient temperature much more quickly then in known systems. In one method of performing this invention, the cycle time is increased as much as possible, and as rapidly as possible while monitoring the outlet temperature on the outlet gas. The cycles are reversed only when the outlet temperature approaches a maximum safe operating temperature. In a second method, the cycle times are increased in pre-programmed steps. By utilizing the present invention, one is able to cool a regenerative thermal oxidizer to ambient temperatures in less than half the time of the prior art systems.