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Sichuan Roots Blower Factory: What is the reason why the Roots Blower cannot rotate

Category： Industry Information

time：2022-11-28

　　Sichuan Roots BlowerManufacturer: Tell me about what happened when the Roots blower couldn't rotate.

Someone once asked, Roots blower can't turn, what should I do, not clear reason. The failure of the fan to rotate can be divided into these two situations. One is that the Roots blower is idle for a long time and cannot rotate during reuse. The other is that the Roots blower suddenly cannot rotate during use. Stop using the Roots blower for a long time and restart it is prone to problems. Let's first analyze what is going on and what is the good method. When clearing the switching power supply problem first, consider the following four situations.

1. does not have to be idle for a long time Roots blower motor abnormal, if the motor common fault, the fan no doubt does not rotate, if the motor is common fault, to solve the motor to carry out safety inspection, fault detection. The common fault of the motor is usually the motor burned, and there are many phenomena of burning the motor. For example, the pressure is too large or the switching power supply is connected reverses, or the short circuit fault will lead to the destruction of the motor.

2. there is also a situation, because the Roots blower long-term need not cause the inner wall rust. The main material of the fan server behavior is gray cast iron, and the gap between the shell and the centrifugal impeller, the wind wheel and the impeller is not large, so it is not easy to cause pig iron to rust, stick and cannot rotate for a long time. In this case, soaking method can be adopted to prevent rust. The method is as follows: take out the muffler at the inlet and outlet of the fan, plug the inlet and outlet of the fan, pour gasoline (or vehicle gasoline) from the inlet, the remaining oil is about half of the inner wall of the shell, soak the shell and centrifugal impeller for several hours, try to rotate the centrifugal impeller, insert a flat crowbar into the gap of the centrifugal impeller to assist in rotation, and pay attention not to damage the centrifugal impeller, if the centrifugal impeller can rotate, then rotate the centrifugal impeller to the other side to continue soaking in gasoline until all rust is removed, and then restart the fan.

3., if dirt enters the Roots blower and is stuck by dirt (a lot of dust or dirt), it will also lead to the fan not moving. Therefore, it is necessary to do a good job in the maintenance of Roots blower equipment, especially when the fan is idle and not in use, it is necessary to keep the equipment room clean and deal with dirt in time.

4., there is another situation. If the fan is not used for a long time, the shell will slightly deform, causing the centrifugal impeller to rotate. Such things are rare. Occasionally, the shell used by a small number of manufacturers is likely to be thin or not quenched and tempered. If the fan is placed for a long time, the shell will deform. The gap between the shell and the wind wheel is not large, and the shell deformation will cause the fan to jam and not rotate.

If many problems such as switching power supply and common faults of motor are removed, there is no dirt in the fan, or the fan still cannot rotate after passing through the bubble, the fan shall be inspected strictly in the following order. This kind of thing can be analyzed together with the sudden rotation of Roots blower. Next, it is necessary to check whether the coupling is damaged, whether the centrifugal impeller is damaged, whether the transmission gear and needle roller bearing are damaged, etc.

　Sichuan Roots BlowerThe manufacturer thanks everyone for watching. If you have any questions about Roots blower, please contact our Sichuan Roots blower manufacturer.

 

Keywords： Sichuan Roots Blower Factory: What is the reason why the Roots Blower cannot rotate

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