Arrangement for facilitating the start-up of not self-priming ce

Pumps – One fluid pumped by contact or entrainment with another – Diverse pumps

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417199A, 417203, F04D 906

Patent

active

046233024

ABSTRACT:
Arrangement for facilitating the start-up of not self-priming centrifugal mps for the pumping of radioactive liquids in a nuclear fuel reprocessing plant wherein radioactive liquid is pumped from a first to a second container through the container's top by means of transfer piping which includes a centrifugal pump having its suction side in communication with one container and its discharge side connected to a supply pipe leading to the other container. The supply pipe includes a pressurized air operated jet pump adapted to lift, during start-up, liquid from the container into the centrifugal pump which is then operated to pump the liquid from the one container to the other through the jet pump.

REFERENCES:
patent: 869387 (1907-10-01), Papillon
patent: 1466413 (1923-08-01), Schaanning
patent: 4067663 (1978-01-01), Brooks et al.

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