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:
Mar. 19, 2019
Filed:
Sep. 12, 2014
Mitsubishi Hitachi Power Systems, Ltd., Yokohama-shi, JP;
Yasuyuki Miyata, Tokyo, JP;
Yoshinori Koyama, Tokyo, JP;
Yasuo Soda, Tokyo, JP;
Junichiro Yamamoto, Tokyo, JP;
Koji Nishimura, Tokyo, JP;
Naoto Nakayama, Tokyo, JP;
MITSUBISHI HITACHI POWER SYSTEMS, LTD., Yokohama-Shi, JP;
Abstract
Provided are a char feeding hopper that makes it possible to accurately measure char, a char recovery system, and a coal gasification combined power generation system. The char feeding hopper comprises: a char feeding hopper body that feeds separated char to a coal gasifier side; at least two casing tubes () that are inserted from a side wall of the char feeding hopper body and that are provided so as to be aligned with one another in the vertical axis direction; a radiation source section () that is provided within the casing tube () and that emits γ-rays within the char feeding hopper body; and a γ-ray detector that is provided within the casing tube () and that detects emitted γ-rays. The cross-section of each casing tube () has a shape that is provided with a tapered section () having an apex angle on the upper edge thereof.