| 摘要 |
The present invention discloses the double flow circuit heat exchange operating function for periodic positive and reverse directional pumping, wherein the fluid ports at the two sides of double flow circuit type heat exchanger are equipped with the bidirectional fluid pumping device capable of producing positive or negative pressures for periodically positive or reverse pumping the two circuits of fluids in different flow directions, while maintaining the relationship of different flow directions between the two circuits of fluids during the periodic positive or reverse pumping operations.
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