Apparatus and method for pumping hot, erosive slurry of coal sol

Details Apparatus and method for pumping hot, erosive slurry of coal sol Apparatus and method for pumping hot, erosive slurry of coal sol

1980-09-18

1983-03-29

Look, Edward K.

Conveyors: fluid current

Intake to fluid current conveyor

Combined intake and discharge

406 96, 417 55, 417 92, 417900, B65G 5330

Patent

active

043781837

ABSTRACT:
An apparatus for and method of pumping hot, erosive slurry of coal solids in a coal derived, water immiscible liquid to higher pressure involves the use of a motive fluid which is miscible with the liquid of the slurry. The apparatus includes a pump 12, a remote check valve 14 and a chamber 16 between and in fluid communication with the pump 12 and check valve 14 through conduits 18,20. Pump 12 exerts pressure on the motive fluid and thereby on the slurry through a concentration gradient of coal solids within chamber 16 to alternately discharge slurry under pressure from the outlet port of check valve 14 and draw slurry in through the inlet port of check valve 14.

REFERENCES:
patent: 404030 (1889-05-01), Conklin
patent: 1697682 (1929-01-01), Ferraris
patent: 2644401 (1953-07-01), Ragland
patent: 2902936 (1959-09-01), Bradley
patent: 3080820 (1963-03-01), Browne
patent: 3241496 (1966-03-01), Imai et al.
patent: 3318251 (1967-05-01), Smith
patent: 3740166 (1973-06-01), Seki et al.
patent: 3749522 (1973-07-01), Kazama et al.
patent: 3891352 (1975-06-01), Tsukamoto
patent: 3938912 (1976-02-01), Sakamoto et al.
patent: 4239423 (1980-12-01), Sakamoto et al.

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