FIELD: heating.
SUBSTANCE: invention is referred to engineering physics and particularly to heat engineering. It may be used for example for make-up water de-gassing in cooling systems of water-cooled reactor at nuclear power plants. Liquid de-gassing method includes distilling and further disposition in sealed chamber by forming free volume. In addition vacuuming processes interchange to 0.13 Pa pressure, liquid is exposed under vacuum and free volume is filled with helium under pressure of 5•105 - 106 Pa. Liquid is exposed under the set pressure. Besides the process is terminated when gas bubbles disappear in liquid after preceding filling of free chamber volume with helium.
EFFECT: improvement of de-gassing method and optimisation of liquid de-gassing.
3 cl, 12 ex
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