Stainless steel sewage pump how to prevent sand?

Most stainless steel submersible sewage pump used in rural pumping groundwater homework, but at the time of users to use diving sewage pump, the groundwater is sucking up at the same time also can be caused by sand stuck submersible sewage pump can't work normal. So, how to prevent the use of submersible sewage pump when the sand is sucked up?

In order to prevent sand in the use of submersible sewage pump was drawn up, we usually put sand in the pump body put gauze net or circumference, so that it can be good when pumping groundwater was sucking up to prevent sand.

In order to solve the problem of sand control of diving sewage pump, we put sand in the diving sewage pump pump body, at the same time in order not to impact on water, sand control net sand control mesh can not be too small. But, in the case of sand control mesh is bigger, diving sewage pump also cannot very good sand control effect, so Shanghai speed can also recommend wai on spinning cloth on pump body, like diving sewage pump not only had the effect of sand control, and at the same time it mesh density is very close, and on the small water pump. In this way, can very good to achieve the objective of the sand control.