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Eliminate overheating of the stuffing box of the submersible sewage pump. Analyze the heat of the high lift submersible sewage pump

Eliminate overheating of the stuffing box of the submersible sewage pump. Analyze the heat of the high lift submersible sewage pump


Submersible sewage pump is a necessary equipment in our daily life. Today, Xiaobian wants to introduce the overheating reason and elimination measures of the stuffing box of the submersible sewage pump. I hope to help everyone. a bit:

1. The packing or seal in the stuffing box is worn out, causing air to leak into the pump casing.Elimination measures: Check the packing or seal and replace as needed. Check that the lubrication is normal.

2. the stuffing box does not have the correct filler Elimination measures: Check the packing and refill the stuffing box.

3. the packing is too tight or the mechanical seal is not properly adjusted Elimination measures: Check and adjust the packing and replace as required. Adjust the mechanical seal.

4. sleeve scratches Elimination measures: repair, rework or replace as required.

5. mechanical seal damage Elimination measures: check and replace as required. Consult the manufacturer.

6. packing or mechanical seals have design problems Elimination measures: Consult the manufacturer.

High-lift submersible sewage pumps will have such problems after long-term use. What is the cause? What should we do when the high-lift submersible sewage pump has a fever? Let's take a look at Xiaobian to learn about it!

The main cause of heat is the blockage of the balance hole on the impeller, the gap between the rolling bearing or the bracket cover is too small, the bearing is damaged, the pump shaft is bent or the two shafts are not concentric, the tape is too tight, the oil is not good or the oil is not good, the impeller is out of balance, and the impeller is unbalanced. Big thrust to one side. The solution to the heat of the high lift submersible pump is to remove the back cover, remove the heat from the high lift submersible pump, investigate the pump shaft or adjust the concentricity of the two shafts, replace the bearing, and install a gasket between the bracket and the bearing housing. Adjust the tightness of the tape properly, add clean butter, butter to about 60% of the gap in the bearing, and remove the blockage in the balance hole.

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