Conveyors: fluid current – Pulsing fluid current
Patent
1989-09-14
1991-09-03
Basinger, Sherman
Conveyors: fluid current
Pulsing fluid current
406128, 406169, B65G 5102
Patent
active
050448374
ABSTRACT:
A method and apparatus for continuously feeding particulate solid material into a pressurized system without pressure loss. The invention includes a rotary feeder for transferring particulate material to a high pressure system. In the feeder, chambers are filled with particulate material, and a rotor turns to empty the particulate material into the high pressure system. A compression cylinder is provided which has an inlet in communication with a high pressure chamber substantially empty of particulate material. The gas emptied from this chamber is forced by a piston in the compression cylinder into another chamber which is intially filled with particulate material at substantially atmospheric pressure. As the chamber which has been emptied of gas is brought into communication with the inlet of the feeder, any gas loss is substantially negligible because the gas is at approximately the same pressure as the inlet. The actuation of the piston and the inlet and outlet valves are controlled in response to the rotation of the rotor within the feeder.
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Coal Feeder Development, Phase I Report, Mar., 1976, Foster-Miller Associates, Incorporated, Waltham, Massachusetts.
Avila Stephen P.
Basinger Sherman
Phillips Petroleum Company
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