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What are the cold storage equipment failure
Release time:
2024-06-13
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If the bearing and the yin and yang rotors are removed when repairing the compressor, if the installation is not careful and the installation accuracy does not meet the requirements, the yin and yang rotor axes will not be parallel and the yin and yang rotors will not roll. In addition, the method of repairing the compressor is improper, and the method of incorrect solution is adopted when applying external force to the rotor, which changes the axial and radial gap between the female and male rotors and makes them unable to rotate.
1. Refrigeration equipment failure
If the bearing and the yin and yang rotors are removed when repairing the compressor, if the installation is not careful and the installation accuracy does not meet the requirements, the yin and yang rotor axes will not be parallel and the yin and yang rotors will not roll. In addition, the method of repairing the compressor is improper, and the method of incorrect solution is adopted when applying external force to the rotor, which changes the axial and radial gap between the female and male rotors and makes them unable to rotate. It mainly includes compressor motor failure and rotor lock. If the compressor works under long-term load, the rotor tooth surface and bearing will be stuck due to fatigue damage; the lubricating oil pipeline of the compressor will be blocked and lack of oil, causing the temperature of the female and male rotors and bearings to be too high and damaged and locked.
2. Electrical fault
The start button is not in good contact, which is not very common, because the current screw compressor, unless it is really cheap to buy a very low price machine, otherwise this problem will not occur in general, even if it occurs, it is very simple to solve. First, check whether the power supply wiring of the compressor is correct, whether the power switch is properly closed, whether the power fuse is blown, and whether the power supply voltage reaches 90% or more of the rated voltage. Check whether the components of the pressure relay of the compressor are damaged and whether the given value of the pressure relay is appropriate.
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