Pump industry suppliers - The lime slurry pump seal common failure analysis

the lime slurry pump seal the analysis of the common faults

the main performance of the common faults mostly leak, leak reason has the following several kinds:

1, ring ring sealing surface leakage, because the key are: inner hole roughness, surface roughness not in excess of the prescribed, or surface scratch; On both sides of the inner hole between particles chemicals, lead to surface can not run; Installation not in time, correctly.

2, compensation ring seal leakage, because the key is: screw cap deformation, torque force is asymmetrical; Installation is wrong; Sealing ring quality is not in conformity with the provisions; Sealing ring type choose wrong.

specific application result shows that the actual position is the maximum number of common faults in dynamic sealing components, static ring of the inner hole, lime slurry water pump mechanical seal, static ring inner hole appear crack is a common common fault condition, the key reason is:

1, the sealing gap is too large when installation, cleaning fluid ihave to caused by the friction pair of calorific value; Cleaning fluid leakage from sealing gap, resulting in kong pays within temperature and destroyed.

2, lime slurry pump sealing fluid orifice plate or screen blocking, lead to water flow is not enough, make the common mechanical seal failure.

3, weak wettability liquid substances, combined with practical work the pressure load, two different seal face tracking rotation step.

4, a liquid substance gasification frame, make both sides face separation by gasification peng rising force, when the two seal face hard to cater to destroy RunHua membrane causing the inner hole surface overtemperature.

in addition, the sealing surface sliding groove surface layer, the inner hole to cause a vacancy arises when a common fault sealing components, the key reason is:

1, the liquid material is not clear, there is a fine quality of hard particles, at high speed sliding sealing surface, the inner hole surface scratch and common faults.

2, poor pump drive a parallelism, turn on the pump per week hole was shaking friction time, ring operation trajectory is not the same as the heart, lead to inner hole gasification, damage of overtemperature.

3, liquid material characteristics of hydroelectric power often produce pumps caused by vibration, the result of the lime slurry water pump dense surface displacement and common faults.

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