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:
Feb. 27, 1979
Filed:
Dec. 09, 1977
Applicant:
Inventor:
Heinrich Buchner, Bochum, DE;
Assignee:
Klockner-Humboldt-Deutz, , DE;
Primary Examiner:
Int. Cl.
CPC ...
F26B / ; F27B / ;
U.S. Cl.
CPC ...
34 20 ; 432 26 ; 432 77 ; 432106 ;
Abstract
A method and apparatus is disclosed for the cooling of a lime shaft furnace for the calcining of limestone and which is operable with a combustible fuel. In shaft chambers of the shaft furnace, a hollow beam is provided to convey combustible fuel into the shaft chamber. Associated with the hollow beam is a cooling unit for cooling walls of the beam. A closed circuit cooling liquid system connects with the cooling unit so as to maintain a flow of a cooling liquid through the cooling unit. The cooling liquid has a boiling point of greater than 100.degree. C. This cooling liquid is continuously recooled by a heat exchanger.