screw air compressor quality appraisal can be analyzed from the following aspects:
1. Appearance inspection
l. Check whether the appearance of the screw air compressor is intact and whether there is any oil or air leakage.
2. Check whether the installation of steam and gas pipelines has become solid and whether the joints are tight.
3. Check whether the cooling water pipeline is leaking during operation, and remove the dirt accumulated on the water tank.
4. Clean the electrical control cabinet and control panel of the screw air compressor, and check whether the wiring is firm and there is no overlap.
5. Check whether the filter element, oil filter, air filter, etc. inside the compressor are clean and whether they need to be replaced.
6. Check and replace the motor fan blades and fan rollers for damage.
2. Performance inspection
01. Check the normality of starting, running and stopping of the screw air compressor, including inlet pressure, outlet pressure, inlet temperature, lubricating oil pressure, exhaust temperature and other parameters. 12. Check whether the oil, gas and water valve controls of various parts of the compressor work normally and reliably. 23. Check whether there is high heat in the screw air compressor by touching it with your hands or using a thermometer, including the surface temperature of the compressor outer hub and each pipe fitting. 34. Use an ammeter to check whether the motor's current is within the measurement range and whether it is consistent with the original data. 45, use vibration meters, noise meters and other tools to detect the vibration and noise of the screw air compressor to see if it exceeds the specified range and whether it needs to be repaired. 5
