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["중심상수압식 압축기의 건🙂가 시트",,"본 게시글 최종 수정者迷途小子 2 20-11-11: handshake) 중심상수압식 압축기의 건🙂가 시트에서,, 隔离气的压力高,润滑油的压力是:0.15MPa,这样的话不怕润滑油进入密封腔么?我认为是不是隔离气的压力要比润滑油的压力稍高一点啊!求各位大神解惑!",,"격리기의 압력이 높고,润滑油压力进入:0.15MPa几乎在密封大气侧几乎没有压力了,",,"중심상수압식 압축기의 격리기는 일반적으로 미고식 격리기이며,润滑油压力向气封侧压力逐渐降低,只要隔离气的压力高于润滑油到气封侧的压力就不会泄露",,"개인적인 이해에 따르면,润滑油的压力是指润滑油泵出口压力但是压缩机每个轴承箱都有接近常压的呼吸帽润滑油泵有压力的目的是保证能够将润滑油从润滑油箱顺利运送到轴承箱对应轴承位置因此只要隔离气保持微正压就能完全防止润滑油泄漏到干气密封当中。"

2018-11-07View Original

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本帖最后由 迷途小子 于 2018-11-10 22:22 编辑 :handshake:)离心式压缩机的干气密封中,隔离气的压力高,还是润滑油的压力高?我们厂现在调整的参数是隔离气压力:0.02MPa,而润滑油的压力是:0.15MPa,这样的话不怕润滑油进入密封腔么?我认为是不是隔离气的压力要比润滑油的压力稍高一点啊!求各位大神解惑!
Reply #22018-11-25
隔离气压力高,润滑油压力住进去0.15实际在密封大气侧几乎没什么压力了,
Reply #32018-12-10
离心机密封一般是迷宫式密封,润滑油压力向气封侧压力是逐渐降低的,密封气的压力只要高于润滑油到气封侧的压力就不会泄露
Reply #42018-12-21
个人理解人员润滑油的压力是指润滑油泵出口压力,但压缩机每个轴承箱是都带呼吸帽的接近于常压的,润滑油泵有压力的目的只是保证能够将润滑油从润滑油箱顺利运送到轴承箱对应轴承位置。因此,只要隔离气保证微正压,就能完全防止润滑油泄漏到干气密封当中。

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