FIELD: machine building.
SUBSTANCE: cavity is evacuated until the start of water boiling at the temperature of the cavity walls equal to the ambient temperature. The formed water vapours are pumped off by a vacuum pump, meanwhile the temperature in the pump oil system is maintained above the water boiling temperature at ambient pressure, i.e. above 100 °C. The complex contains a vacuum pump fitted with the oil system, the fixture interconnecting the drained cavity with the vacuum pump and environment, devices for measuring the drying parameters, meanwhile the oil system working temperature is higher than the water boiling temperature at normal atmospheric pressure.
EFFECT: improvement of efficiency and reliability.
9 cl, 1 dwg
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