Multiphase fluid mass transfer pump

Details Multiphase fluid mass transfer pump Multiphase fluid mass transfer pump

1991-10-22

1992-10-20

Bertsch, Richard A.

Pumps

Expansible chamber type

Plural pumping chambers

F04B 2102, F04B 3910

Patent

active

051565374

ABSTRACT:
A positive displacement piston pump that can pump multiphase fluids by separating the fluid into its different components inside the pump before pumping the fluids. A reciprocating piston mounted inside the pump barrel divides the barrel into two chambers, with each chamber having an opening. Accumulators located above the chambers and below the pump inlet provide a space for the multiphase fluids entering the pump to separate before entering the chamber. As the multiphase enters each accumulator, gravity causes the liquid to sink and the gas to rise separating the different phases, preferably allowing liquid to enter the chambers before the gas. When the piston moves through the chambers forcing the fluid through outlet valves located on the top side of the chamber the gas will exit the chamber, the accumulator, and the pump before the liquids. The piston moves through the pump barrel in one direction causing the chamber in that direction to decrease in volume thereby forcing the multiphase fluid in that chamber out through an outlet valve and into the pipeline. Simultaneously, fluid from the source pipeline is drawn into the other chamber comprised of the part of the pump barrel in a direction opposite the movement of the piston.

REFERENCES:
patent: 205052 (1878-06-01), Carr
patent: 2962975 (1960-12-01), Camp
patent: 3081934 (1963-03-01), Abernathy et al.
patent: 3542493 (1969-01-01), Alderson
patent: 3990816 (1976-11-01), Kohler et al.
patent: 5076769 (1991-12-01), Shao

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