News Digest:What are the four damage to sand pump that are not easily found? China Do Pump is a manufacturer of sand pump. dredge pump, electric submersible sand pump and hydraulic submersible dredge pump with relative dredging equipment.Dredging solutions-What are t
What are the four damage to sand pump that are not easily found?
China Do Pump is a manufacturer of sand pump. dredge pump, electric submersible sand pump and hydraulic submersible dredge pump with relative dredging equipment.Dredging solutions-What are the four damage to sand pump that are not easily found?, here comes the answers.
It is also normal for sand pumps to have various faults during use. Some faults are easy to find, but some faults are not easy to find. Our technicians have summarized the sand pumps that are not easily found. I hope that through our introduction today, you can pay more attention to the operation of the sand pump, and hope that these problems can be resolved smoothly.
1. Sand pump body damage
Vibration or collision may cause cracks in the pump body. The inspection can be performed with a hand hammer, that is, lightly hitting various parts of the pump body with a hand hammer. If the sound is relatively crisp, it means that there are no cracks in the pump body. If the noise is relatively turbid, it means that there may be cracks in the pump body, and the kerosene infiltration method can also be used to check the penetrating cracks on the pump body. That is, the pump body is filled with kerosene and left for 30 minutes for observation. If there are traces of leaching of kerosene on the outside of the pump body, it means that there is a penetrating crack on the pump body.
2. Air phenomenon in sand pump
When the sand pump starts, if there is air in the pump casing, because the density of the air is far less than the density of the liquid, the centrifugal force generated by the impeller rotation is very small, and the low pressure generated at the center of the impeller is not enough to cause the required vacuum degree. The pump will not work. This phenomenon is called "air binding". In order to fill the pump with liquid before starting, a check valve is installed at the bottom of the suction pipe. In addition, a regulating valve is also installed on the outlet pipe of the sand pump for opening and stopping and regulating the flow.
3. Pump shaft of sand pump
For sand pump pump shaft maintenance, generally clean the pump shaft with kerosene, check in a bright place, and polish with sand cloth. Check the surface for groove marks and wear, observe the degree of corrosion and erosion of the impeller end, and the degree of wear of the shaft seal portion of the packing. Then check the cylindricalness of the main journal with a micrometer and the straightness with a dial indicator. If necessary, use ultrasonic or magnetic inspection or coloring to check whether there are cracks. If the damage has seriously affected the mechanical strength of the pump shaft or there is a crack, it should be replaced immediately.
4. Wear at the sand pump impeller inlet
The sand pump impeller Baidu is very thick, the inlet edge of the blade is twisted, and the flow around the blade can be regarded as the flow around a cylinder. The larger the particles of the animal in the flow of the mixture to the cylinder, the more the number of particles on the surface. Using the similarity between the relatively thick and twisted blade inlet edge and the flow around the cylinder, and using the blade thickness instead of the cylinder diameter, the proportion of particles of each size contained in the mixture and participating in the wear of the inlet edge can be estimated.
China Do Pump is a manufacturer of sand pump. dredge pump, electric submersible sand pump and hydraulic submersible dredge pump with relative dredging equipment.For more dredging pump solutions related to What are the four damage to sand pump that are not eaily found?, contact Sand Pump Manufacturer China Do Pump at info@dopumpgroup.com or call us at +8615031104888.
