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:
Jul. 21, 1998
Filed:
Sep. 17, 1996
Sinji Tanaka, Juo-machi, JP;
Shuntaro Koyama, Hitachinaka, JP;
Atsushi Morihara, Hitachinaka, JP;
Takanori Kudo, Kodaira, JP;
Sadao Takahashi, Hitachi, JP;
Masato Iwahara, Hiroshima, JP;
Hitachi, Ltd., Tokyo, JP;
Babcock-Hitachi Kabushiki Kaisha, Tokyo, JP;
Abstract
A coal gasification furnace includes a gasification chamber for producing therein a burnable gas from coal, a burner arranged on a side wall of the gasification chamber so as to inject coal and an oxidizing agent along a peripheral direction of the gasification chamber, a slag cooling chamber provided below the gasification chamber, and a slag tap partitioning the gasification chamber and the slag cooling chamber. The slag tap has a hole formed in a shape whereby the central portion of the hole is generally circular and oppositely directed slits extend outwardly from the central portion of the hole.