Agitating – Having interrelated feed and discharge means – Plural feed or discharge means
Patent
1982-12-20
1985-03-19
Jenkins, Robert W.
Agitating
Having interrelated feed and discharge means
Plural feed or discharge means
366136, 366162, 366183, 366184, B01F 1504
Patent
active
045055912
ABSTRACT:
Solids mixing well structure and methods are disclosed for mixing a solid having a first specific gravity with a fluid having a second specific gravity to produce a slurry having an intermediate specific gravity and a resultant pressure greater than atmospheric pressure. The solids can then be transported in the form of a slurry using the resultant pressure. At no time do the solids come in contact with a pump member. The apparatus and methods are particularly suited for transporting coal and solid waste material. No moving parts are required other than a pump to supply fluid pressure. A first cylindrical member receives at its inlet fluid at a pressure greater than atmospheric pressure and delivers the fluid at a first pre-determined pressure to a mixing region. A second structure receives at its inlet solids at atmospheric pressure and delivers the solids at the first pre-determined pressure to the mixing region down stream of the fluid. The fluid and solids, having substantially the same pressure in the mixing region, readily mix. The resulting slurry exits the mixing region and flows through a third structure to a discharge port. The slurry exits the discharge port at a second pre-determined pressure greater than atmospheric pressure, and equal to the pressure the slurry would have had if directly pumped at the horsepower of the pump supplying fluid pressure.
REFERENCES:
patent: 2685499 (1954-08-01), Hood
"Hydrofeeding of Solids for Pipelines and Processes", Kamyr, Inc., Glen Falls, New York, Oct. 1980.
Bonin et al., "The Development and Experimetal Evaluation of the Kinetic Extruder--A Novel Coal Feeder", Lockheed Palo Alto Research Laboratory, Jun. 1, 1982.
"Twin-Screw Feed Systems for Coal Reactions", Werner & Pfleiderer Corp. (Undated).
Day Roger W.
Grichar Charles N.
Dahlberg Arthur D.
Geosource Inc.
Jenkins Robert W.
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