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:
May. 27, 1980
Filed:
Nov. 08, 1978
Applicant:
Inventors:
Fritz Schulte, Meerbusch-Buderich, DE;
Wilfried Hurter, Essen, DE;
Assignee:
Hartung, Kuhn & Co. Maschinenfabrik GmbH, Dusseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
C10B / ;
U.S. Cl.
CPC ...
201 29 ; 202255 ; 202263 ; 55 84 ;
Abstract
A method and apparatus is provided for separating tar from gases leaking from the oven door of a coke oven. At least one gas extraction device is located at a point of leakage and is connected through a collection duct to an extractor fan for sucking the gases from the door. A means is provided for spraying hot ammonia liquor into the upstream portion of the collection duct and a means is provided for introducing saturated steam into the duct downstream of the ammonia spraying means.