怎么判斷螺桿鼓風機磨損程度？

一般螺桿鼓風機都是不允許反轉的（因為進氣口跟排氣口的間隙設置不一樣），所以羅茨風機都需要在排氣端 設置單向閥。也就是允許風從羅茨風機輸入到管道系統(tǒng)，防止羅茨鼓風機突然停機

Generally, reverse rotation is not allowed for roots fans (because the clearance between the air inlet and the exhaust port is not the same), so the roots fans need to set a check valve at the exhaust end. In other words, it allows the wind to be input from roots blower to pipeline system to prevent sudden shutdown of Roots blower

螺桿鼓風機而系統(tǒng)的氣體收 到系統(tǒng)壓力的作用，回流沖擊羅茨風機造成羅茨風機反轉，損壞羅茨鼓風機另外，幾臺羅茨鼓風機并聯(lián)運行的時 候，假設其中一臺不工作，那么單向閥也可以防止排氣端的氣體通過這臺沒有使用的羅茨鼓風機，造成其反轉 損壞。

In addition, when several roots blowers operate in parallel, assuming that one of them does not work, the check valve can also prevent the gas at the exhaust end from passing through the unused roots blower, causing its reverse damage.

總而言之，就是保護螺桿鼓風機不反轉.按結構形式分：立式型 羅茨風機兩轉子中心線在同一垂直水平面 內，氣流水平進，水平出；臥式型 羅茨風機兩轉子中心線在同一水平面內，氣流垂直進，垂直出。

In a word, it is to protect the roots blower from reverse rotation. According to the structure, the two rotor center lines of vertical roots blower are in the same vertical horizontal plane, and the air flow goes in and out horizontally; the two rotor center lines of horizontal roots blower are in the same horizontal plane, and the air flow goes in and out vertically.

所說的風葉 相碰，絕大部分是軸承間隙變大引起的，如果更換同步齒輪不行，建議使用質量較好的軸承，不用進口的起 碼也得用瓦軸或洛軸的高速軸承，羅茨風機齒輪的磨損可以根據(jù)齒輪咬合間隙判斷，如果齒輪磨損超限，可以 將兩個同步齒輪翻面處理，這樣齒輪就可以延長一倍使用壽命，調整兩風葉間隙時一定要用塞尺沿風葉長度測 定4個點以上，羅茨鼓風機保證整個長度上的間隙均勻、一致。

Most of the said wind blade collision is caused by the larger bearing clearance. If it is not feasible to replace the synchronous gear, it is recommended to use better quality bearings instead of imported ones. At least the high-speed bearings of Bush shaft or Luo shaft should be used. The wear of Roots blower gear can be judged according to the gear engagement clearance. If the gear wear exceeds the limit, it can be adjusted Turn over the two synchronous gears so that the service life of the gears can be doubled. When adjusting the clearance between the two blades, it is necessary to measure more than 4 points along the blade length with a feeler gauge. Roots blower ensures that the clearance is uniform and consistent throughout the length.

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