What is the reason for the sudden leakage of the three-screw pump during operation? What are the reasons for the sudden leakage of the three-screw pump during normal operation? There are three reasons, one is the leakage of the mechanical seal, the other is the difference of the installation, the third is the wear of the bushing, the pump body and the bushing are integrated (collectively called the pump body), and the shaft seal is a mechanical seal. The three-screw pump has various structural forms, generally a small flow rate of 0.2~6.5m3/h, the pump body and the bushing are integrated (collectively referred to as the pump body), and the shaft seal is a mechanical seal. The liquid to be transported in the pump is axially and uniformly linearly moved, so the pressure pulsation is small, the flow rate is stable, and the noise is low. Since the inertia of the rotating component is small, the starting torque and vibration are small.
The main reasons for the sudden leakage of the three-screw pump during normal operation are as follows:
1. Evacuation, cavitation or rolling for a long time, resulting in seal damage;
2. The actual output of the pump is too small, a large number of medium pumps circulate, heat accumulates, causing gasification of the medium, [industrial electrical network-cnelc] causes seal failure;
3. The return flow is too large, causing the bottom of the suction side container (tower, kettle, tank, pool) to rise and damage the seal;
4. For a longer period of time, there is no manual turning when restarting, and the friction pair tears the sealing surface due to adhesion;
5. Increased corrosive, polymerizable, and gelatinous substances in the medium;
6. The ambient temperature changes drastically;
7. Frequent changes or adjustments in working conditions; sudden power failure or downtime. The three-screw pump suddenly leaks during normal operation. If it cannot be found in time, it will often cause a big accident or loss. It must be taken seriously and effective measures taken.
The main reasons for the sudden leakage of the three-screw pump during normal operation are as follows:
1. Evacuation, cavitation or rolling for a long time, resulting in seal damage;
2. The actual output of the pump is too small, a large number of medium pumps circulate, heat accumulates, causing gasification of the medium, [industrial electrical network-cnelc] causes seal failure;
3. The return flow is too large, causing the bottom of the suction side container (tower, kettle, tank, pool) to rise and damage the seal;
4. For a longer period of time, there is no manual turning when restarting, and the friction pair tears the sealing surface due to adhesion;
5. Increased corrosive, polymerizable, and gelatinous substances in the medium;
6. The ambient temperature changes drastically;
7. Frequent changes or adjustments in working conditions; sudden power failure or downtime. The three-screw pump suddenly leaks during normal operation. If it cannot be found in time, it will often cause a big accident or loss. It must be taken seriously and effective measures taken.
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