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. 09, 1989
Filed:
May. 12, 1987
Kosaku Noguchi, Tokyo, JP;
Honami Tanaka, Osaka, JP;
Heima Yamazaki, Osaka, JP;
Yoshiharu Ohmoto, Iwakuni, JP;
Koa Oil Company, Limited, Tokyo, JP;
Abstract
This invention relates to a coking unit for producing coke articles of good quality from feed material heavy oils with a variety of properties and more specifically relates to a delayed coking unit comprising a heating furnace and coking drums connected in this sequence with piping. This invention is characterized in that an intermediate drum independently equipped with pressure and temperature controlling means is provided, said intermediate drum being small in volume in comparison with that of said coking drum, so that substantially all of the amount of products treated in said intermediate drum is supplied into the coking drum.