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[".신심부식 풄풍기 시험시 발생한 출구 압력과 설계 압력의 차이 문제"

2017-06-17View Original

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",저희 회사에 새로 들어온 두 대의 식부식 풍기, 설계 유량 45m3/min, 입구 압력 1.3Kpa,,출구 압력 16K.3Kpa. 시험시 입구 밸 DNK2 완开着,出口全, 압 0..55mpa.,풍기 작동 중 퓸기 시작하여 진동 발생, 적당히 입구碟阀开度egree를 5度5 度度度至5度5度度度度,,不再振。出口气压 0..3papa。为了测试风机的增压能力,在现场手动关小离口阀,风机的出口气压最高升高至 0..3Mpa。无法达到风机设计出口气压 0.6Mpa。且差距较大。这台风机性能与设计正常不。适当开大入口阀风机出口气压也不涨,开大会振。高手指点风机是否正常。"
Reply #22017-06-17
"풍기 시험시 방출 밴开着一直开着了?如果这样肯定是超负荷负荷,试不出来。我怀疑是这样。因为放出口阀开着,所以压�力一直开不來,而不断增大入口气,导致设备超负荷,风量超了,造成振,你可以查下当时的电流,如果是超电流开着,可以确定是试机操作有问题。试机时注意这几个操作:开机时,关闭入口阀,开开放出阀,阀根据工艺条件而开一般关,开机时,逐步把入口气阀开大,直到达到额定电流,然后慢慢开出口气阀同时慢慢关闭放空阀,在不引起振的情况下,将压劒调整到你要试验的的压劒。如果能没有问题。如果出现振就开大出口气或者放空阀。"

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