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風機安裝後，試車的步驟是什麽?

來源： | 發布日期：2022-11-29

答:試車分爲無負荷試車和負荷試車兩個步驟進行:
1.無負荷試車
風機出口的氣體，在無任何阻力的條件下進行空運轉。一般是將出風管道拆開，無負荷試車，一般爲4h。
2. 负荷试车
风机出口的气体，在有阻力的条件下运转。根据风机出厂技术说明书，逐渐达到规定的技术性能规定，负荷试车时间一般为8h。若为高压高速的透平压缩机和鼓风机，还要延长时间，应在 24h 以上。
1) 離心風機在試車中要進行下列項目的檢查:
①傾聽轉子運轉聲音是否正常，有無摩擦現象。
②檢查聯接螺栓有無松動。
③ 轴承温度是否符合技术规定。
④ 冷却水是否畅通。
⑤ 轴封装置部位有无漏气现象。
⑥傳動齒輪或齒輪變速器運轉聲音是否良好。

⑦停車後，應檢查轉子有無轉向位移，兩轉子之間(羅茨鼓風機)或轉子與機殼之間的間隙、葉輪與進風口的間隙等，與試車前比較有無變化。

⑧ 检查电气与仪表装置，有无损坏或失灵现象。

2)風機安裝後的試車操作程序如下:

①用手或工具扳動聯軸器或帶輪2~3轉，檢查風機轉子轉動是否靈活，有無“蹩勁”或“卡住”現象。

②打開進、出口閥門(離心風機先關閉閥門，風機起動後，逐漸打開)。
③合上電源開關，電動機起動後，扳動電阻箱手輪，使風機逐漸達到正常轉速，同時，將電動機滑環扳手扳到運行位置。
④ 根据风机技术性能规定，进行负荷试验，测量风量和风压。
可瑞斯 離心風機深耕十年設計與制造，更多産品和問題可咨詢客服：18248427212.

【本文標簽】離心風機高壓風機防爆風機玻璃鋼風機高溫風機

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