The non-clogging submersible sewage pump belongs to a kind of non-clogging pump and has many forms: such as submersible and dry type. The current common submersible is the non-clogging submersible sewage pump. Mainly used to transport urban sewage, manure or liquid containing fiber. For the medium of solid particles such as paper scraps, the temperature of the conveyed medium is usually not greater than 80 °C. Because the conveyed medium contains fibers that are easily entangled or bunched. Therefore, the flow channel of the non-clogging submersible sewage pump is easy to be blocked. Once the pump is blocked, the pump will not work normally, and even the motor will be burned, resulting in poor sewage discharge. It has a serious impact on urban life and environmental protection. Therefore, blocking resistance and reliability are important factors for the pros and cons of non-clogging submersible sewage pumps.
With the progress of society, the continuous improvement of people's living standards and the strengthening of environmental protection awareness, non-clogging submersible sewage pumps have been familiar to people, and their application scope has become more and more broad.
In the long-term use, we can not ignore the maintenance and maintenance of the non-clogging submersible sewage pump:
1. The non-clogging submersible sewage pump should be managed and used by a special person, and the insulation resistance between the electric pump winding and the casing should be checked regularly.
2. After each use, especially for thicker and more viscous slurry, the electric pump should be put into clean water to run for several minutes to prevent deposits left in the non-clogging submersible sewage pump and ensure the cleanliness of the electric pump.
3. If the non-clogging submersible sewage pump is not used for a long time, the electric pump should be taken out of the water, and do not soak in the water for a long time to reduce the chance of the motor stator winding being damp and increase the service life of the non-clogging submersible sewage pump.
4. After the non-clogging submersible sewage pump is disassembled and repaired, the casing components must be checked by 0.2MPa air tightness test to ensure the reliable sealing of the motor.
5. The sealing ring between the impeller and the pump body has a sealing function. If the seal is damaged, it will directly affect the performance of the pump and should be replaced if necessary.
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