The water temperature of the water ring vacuum pump has a great influence on its performance, and the performance curves of the water ring vacuum pump are all measured under the water temperature of 15 ℃. Therefore, the pumping rate of the water ring vacuum pump should be modified when the water ring vacuum pump is actually selected.
The actual pumping speed of water ring pump can be calculated according to QT = q15k, k = (P1 PT) / (p1-p15), where:
1. QT - air volume at t ℃ (m3 / min) Q15 - air volume at 15 ℃ (m3 / min).
2. P1 - suction pressure of water ring pump mmHg Pt - saturated steam pressure mmHg at t ℃.
3. P15 - saturated steam pressure mmHg K at water temperature of 15 ℃ - gas volume correction coefficient.
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