Under what circumstances can roots blower not be used:

1、機器故障

1. Machine fault

這一點其實不用說，因為你知道，設(shè)備是存在故障確實不能使用，但會有人感覺有輕微的故障，但可以繼續(xù)運轉(zhuǎn)，不能那樣想。這樣會損壞設(shè)備，得不償失。所以要知道故障的時候要盡快修理以減少開支。

In fact, there is no need to say this, because you know that the equipment is faulty and can not be used. However, some people will feel that there is a slight fault, but they can continue to operate. They can't think that way. This will damage the equipment and will not pay off. Therefore, we should know that when the fault occurs, we should repair it as soon as possible to reduce expenses.

2.進(jìn)氣溫度超過40度。

2. the air inlet temperature exceeds 40 ℃.

一般來說，鑄鐵羅茨風(fēng)機入口溫度超過40。就會出現(xiàn)問題，所以入口溫度超過40時，運行時，設(shè)備停止工作。

Generally speaking, the inlet temperature of cast iron roots blower exceeds 40. There will be problems, so when the inlet temperature exceeds 40, the equipment will stop working during operation.

3.運輸?shù)臍怏w是有毒的。

3. the gas transported is toxic.

有毒氣體一般不用羅茨風(fēng)機運輸，即使用特殊材料密封，風(fēng)險也比較大，不要運輸毒氣。

Toxic gas is generally not transported by roots blower, that is, it is sealed with special materials, and the risk is relatively high. Do not transport toxic gas.

4.運輸氣體具有可燃性和爆炸性。

4. the gas transported is flammable and explosive.

運輸氣體易燃易爆，需要對鼓風(fēng)機進(jìn)行特殊處理。沒有經(jīng)過特別處理的風(fēng)機禁止運輸這種氣體。

The gas transported is flammable and explosive, so the blower needs special treatment. It is forbidden to transport this kind of gas by fans without special treatment.

5.環(huán)境中有很多灰塵

5. there is a lot of dust in the environment

如果設(shè)備在灰塵多的環(huán)境中使用，會有很大容量的微?；覊m進(jìn)入風(fēng)扇，間隔太小，引起風(fēng)風(fēng)機損壞。羅茨風(fēng)機的使用條件需要根據(jù)實際情況，不允許使用非標(biāo)準(zhǔn)鼓風(fēng)機，防止鼓風(fēng)機故障。

If the equipment is used in a dusty environment, a large amount of particulate dust will enter the fan at a too small interval, causing damage to the fan. The use conditions of Roots blower shall be based on the actual situation. Non standard blower is not allowed to be used to prevent blower failure.

如何正確關(guān)閉羅茨風(fēng)機：

How to shut down roots blower correctly:

羅茨風(fēng)機要嚴(yán)加注意，以便充分利用特性了解應(yīng)用，實際操作方法，立即填滿離心風(fēng)機潤滑脂，及時清潔管道和過濾器，顯示器儀表板的主要參數(shù)，及時異常處理，請檢查羅茨鼓風(fēng)機系統(tǒng)預(yù)備器，然后做好準(zhǔn)備工作。

Pay close attention to roots blower, so as to make full use of the characteristics to understand the application and the actual operation methods, fill the centrifugal blower grease immediately, clean the pipes and remove the filter in time, display the main parameters of the instrument panel, and handle the abnormalities in time. Please check the roots blower system preparer, and then make preparations.

檢查器預(yù)備器的各閥門開關(guān)是否到位，確保羅茨風(fēng)機出口閥門完全關(guān)閉，入口閥門完全打開。正常檢查后，根據(jù)操作規(guī)定打開羅茨風(fēng)機預(yù)備器。同時，羅茨風(fēng)機的備用風(fēng)機打開和正在用鼓風(fēng)機停下來。如果備用風(fēng)機正常工作。慢慢關(guān)掉機器出口，打開備用風(fēng)機電路。同時逐漸關(guān)閉風(fēng)機出口閥，使出口壓力比原出口壓力稍大。停止鼓風(fēng)機出口工作壓力。在執(zhí)行上述任務(wù)的同時，在使用風(fēng)機出口閥時逐漸關(guān)閉，用鼓風(fēng)機出口閥門，使其出口壓力略大于原來的出口孔施加壓力。在這整個過程中，要保持風(fēng)及壓力出口，確保壓力平衡，可能的系統(tǒng)壓力穩(wěn)定性。逐漸使用羅茨風(fēng)機副線閥門和出口閥門。完全關(guān)閉，備用羅茨風(fēng)機的副線閥門和出口閥門完全打開，到這時為止，機器停止運行，完成羅茨風(fēng)機切換。

Check whether the valve switches of the preparer are in place, and ensure that the outlet valve of Roots blower is fully closed and the inlet valve is fully opened. After the normal inspection, open the roots blower preparator according to the operating regulations. At the same time, the standby blower of Roots blower is on and the blower is stopping. If the standby fan works normally. Slowly turn off the machine outlet and turn on the standby fan circuit. At the same time, gradually close the fan outlet valve to make the outlet pressure slightly higher than the original outlet pressure. Stop the blower outlet working pressure. While performing the above tasks, gradually close the fan outlet valve when using it, and use the blower outlet valve to make its outlet pressure slightly greater than the pressure applied by the original outlet hole. During the whole process, the air and pressure outlet shall be maintained to ensure pressure balance and possible system pressure stability. Gradually use the auxiliary line valve and outlet valve of Roots blower. Fully close, and the auxiliary line valve and outlet valve of the standby roots blower are fully opened. Until then, the machine stops running and the switching of Roots blower is completed.

1、手動齒輪上的羅茨鼓風(fēng)機控制柜控制手柄，關(guān)閉羅茨鼓風(fēng)機吸入口閥門和真空系統(tǒng)隔板。

1. The control handle of Roots blower control cabinet on the manual gear closes the valve at the suction inlet of Roots blower and the diaphragm of vacuum system.

2、主機、中間泵前置水沖洗泵順序，階段性停止泵，不要誤以為停機順序，以免損壞機器。

2. The main engine and intermediate pump shall be flushed with pre water, and the pump shall be stopped periodically. Do not mistake the shutdown sequence to avoid damaging the machine.

3、停止前水沖洗泵時，先打開水沖洗泵緩沖槽排放臟閥門，后泵關(guān)閉。

3. When stopping the front water flushing pump, open the dirty discharge valve in the buffer tank of the water flushing pump first, and then close the pump.

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