Definition of mechanical seal:
Mechanical seals are one of the basic mechanical components with precision and complex structure. They are key components of various pumps, reaction synthesis kettles, turbo compressors, submersible motors and other equipment. Its sealing performance and service life depend on many factors, such as type selection, machine accuracy, correct installation and use, etc.
Precautions for the operation of mechanical seals and equipment:
1. If there is a slight leakage after the pump is started, it should be observed for a period of time. If the leakage does not decrease after 4 hours of continuous operation, the pump should be stopped for inspection.
2. The operating pressure of the pump should be stable, and the pressure fluctuation should not exceed 1 kg/cm².
3. During the operation of the pump, pumping down should be avoided to avoid dry friction on the sealing surface and damage to the seal.
4. The sealing condition should be checked frequently. During operation, when the leakage exceeds the standard, the heavy oil should be no more than 5 drops/min and the light oil should be no more than 10 drops/min. If there is no improvement trend within 2-3 days, the pump should be stopped to check the sealing device.