Discharge of solids

Details Discharge of solids Discharge of solids

1981-07-13

1983-08-09

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

137 12, 340626, 414217, C10G 104

Patent

active

043977316

ABSTRACT:
Finely divided particulate solids are discharged from a high pressure zone to a low pressure zone, e.g. to atmospheric pressure, by passing a dense bed of this particulate material through a long discharge channel and past a throttle element. The pressure drop across the throttle element is significantly reduced due to the fact that the moving dense bed in the discharge channel dissipates the pressure drop along this channel leaving only a small pressure drop to be achieved across the throttle element.

REFERENCES:
patent: 2931765 (1960-04-01), Glinka
patent: 3173852 (1965-03-01), Smith
patent: 3607716 (1971-09-01), Roach
patent: 3963599 (1976-06-01), Davitt
patent: 3977423 (1976-08-01), Clayton
T. C. Aude, N. T. Couper, T. L. Thomson and E. J. Wasp; "Slurry Piping Systems: Trends, Design Methods, Guidelines", Chemical Eng., vol. 78, pp. 74-90, Jun. 28, 1971.
Brodesell, "Valve Selection", Chem. Eng./Deskbook issue, Oct. 11, 1971, pp. 119-121.

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