When we choose and use the sewage pump before the need to choose according to the actual situation and the corresponding treatment, the general life of our sewage and waste water has its own different characteristics, so we need to choose the appropriate time to choose the sewage pump. There are a lot of sewage and waste water containing a large number of corrosive substances, When the sewage is used to enhance the operation of the sewage pump should choose to choose anti-corrosion materials such as stainless steel. Diving sewage pump is one of them, when we use the submersible sewage pump should be installed when the leakage device, but also need to set Overheating or overloaded devices, which are important for the safety of the operation, as well as the installation of a sealed leak monitoring device so that the corresponding treatment can be made in a timely manner when the submersible pump is leaking