Coal-water slurry producing system

Details Coal-water slurry producing system Coal-water slurry producing system

1987-04-17

1988-09-13

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With separation or classification of material

44 51, 241 80, 241171, B02C 1706

Patent

active

047703520

ABSTRACT:
A coal-water slurry producing system comprises: a continuous wet-type ball mill for grinding the coal with the addition of water and additives thereto to obtain coal-water slurry, supplying device for supplying the coal-water slurry discharged from the ball mill to a filtering apparatus, for filtering the supplied coal-water slurry to remove coal particles of a predetermined particle size or above, delivery device for delivering the filtered coal-water slurry containing coal particles of the predetermined particle size or below to a slurry storage tank, and a combustion apparatus. The coal-water slurry producing system further comprises a screen apparatus disposed at an exit of the ball mill to remove coarse coal particles contained in the coal-water slurry, and recovery device for recovering the removed coarse coal particles at an entrance of the ball mill.

REFERENCES:
patent: 1670005 (1928-05-01), Pratt
patent: 1787897 (1931-01-01), Durnin
patent: 2160169 (1939-05-01), Pontoppidan
patent: 3078050 (1963-02-01), Hardinge
patent: 3459380 (1969-08-01), Kartman
patent: 4500041 (1985-02-01), Nakaoji et al.
Mineral Processing Plant Design, Mular et al., 12-1978.
Process Engineering of Size Reduction: Ball Milling, Austin et al., 12-1984.
Cold Water Slurry as Utility Boiler Fuel, Scheffee et al., 3-1982.

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