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. 13, 1990
Filed:
Feb. 04, 1987
Applicant:
Inventors:
Kazunori Shoji, Kure, JP;
Yoshinori Ohtani, Kure, JP;
Hirofumi Kikkawa, Hiroshima, JP;
Hiroshi Terada, Hiroshima, JP;
Masayasu Murata, Hasuda, JP;
Nobuyasu Meguri, Kure, JP;
Assignee:
Babcock-Hitachi Kabushiki-Baisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10L / ;
U.S. Cl.
CPC ...
44 51 ; 241 21 ; 241 34 ;
Abstract
A process for continuously and automatically producing a high concentration coal-water slurry having a uniform quality is provided, which process comprises always monitoring the viscosity, concentration, pH, particle diameter distribution and the like of the slurry, detecting the variations of the foregoing and adjusting the quantity of coal fed, the quantity of water fed and the quantities of a surfactant and a pH adjustor added to thereby control the specifications of the coal-water slurry to definite ones.