罗茨泵困油现象机理剖析与缓解措施验证

李玉龙,宋安然,宋陆昊,刘天涯

Mechanism analysis and relief measure verification of trapped-oil phenomenon in Roots pumps

Yulong LI,Anran SONG,Luhao SONG,Tianya LIU

表3 罗茨泵的介质压力、输入功率和输出流量对比

Table 3 Comparison of medium pressure, input power and output flow rate of Roots pump

参数 渐开线罗茨泵 圆弧罗茨泵 p/Pa 2 062~2.16×106 1 794~1.71×106 ∆pmax/% 113.3 68.7 ∆pmin/% 98.0 98.2 P/W 3 617~8 529 3 340~8 396 Qₐᵥₑ/(m3/s) 0.010 28 0.010 16