Analysis of the general process of the failure of the mechanical seal of the pump

The general process of analyzing the failure of the mechanical seal of the water pump. The mechanical seal of the pump is composed of a pair of end faces perpendicular to the pump shaft under the effect of the fluid pressure and the spring (corrugated tube) elasticity and the cooperation of the auxiliary seal. Equipment for fluid leakage. Compared with the traditional packing seal, it has the advantages of good sealing performance, low conflict power consumption, and long period of using Grundfos mechanical seal. Of course, after long-term use, the mechanical seal of the water pump may also show a state of seal failure. Then, how do we check the failure of the mechanical seal? The general process of analyzing the failure of the mechanical seal of a water pump: 1. On-site appearance inspection On-site inspection is the primary process for judging the failure of the mechanical seal of the water pump. After measuring the imported mechanical seal temperature gun, check the temperature of the sealing gland, flushing pipeline, and cooling pipe assembly mechanical seal line. Whether it is abnormal, investigate the specific location and amount of leakage of the seal, and investigate whether there is displacement of the shaft sleeve. 2. Collecting equipment and process-related data Data collection is mainly divided into two aspects. On the one hand, it is collecting equipment data, such as equipment displacement, sensational data, and bearing box temperature. On the other hand, process operation data collection, verification of process parameters, media components, and process operation records before failure. 3. Check the mechanical seal of the dismantling machine pump. Dismantling the machine pump is the most useful and direct way to determine the cause of seal damage. Check the rotating parts and stop parts for scratches, check the degree of wear of the sealing surface and the wear track, check the relative displacement of the rotating components, check the buoyancy of the floating parts, and focus on whether there are impurities in the tension spring and the floating ring. Keywords: Grundfos mechanical seal, imported mechanical seal, cartridge mechanical seal