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Patent Searching and Data


Title:
FLOATING AND RECOVERING METHOD OF PULVERIZED COAL
Document Type and Number:
Japanese Patent JPS6125651
Kind Code:
A
Abstract:

PURPOSE: To diminish the usage of binder by stirring the slurry after adding the binder, adding a floatation agent thereto and performing floatation.

CONSTITUTION: The raw coal 1 is pulverized with a pulverizer 2 and the pulverized coal 3 is fed to a mixing vessel 4 and a binder 5 plus water are added and the mixture is mixed to manufacture the pulverized coal slurry. The slurry is fed to an oil spreader 7 and stirred to subject the slurry to deash and oil spreading of the pulverized coal and fed to a conditioner 8 and water 10 pulse a floatation agent 9 are added. The slurry is fed to a floating machine 11 and the oil spread coal 12 is attached to the bubbles to settle the ashes 13 and the oil spread coal 14 is recovered.


Inventors:
Murata, Toshiaki
Nagata, Kenichi
Nagamori, Shigeru
Sato, Katsumi
Application Number:
JP1984000146741
Publication Date:
February 04, 1986
Filing Date:
July 17, 1984
Export Citation:
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Assignee:
MITSUI ENG & SHIPBUILD CO LTD
International Classes:
B03D1/02; (IPC1-7): B03D1/02