Five advantages of submersible sewage pump

Submersible sewage pump is a kind of pump and motor connected, and at the same time submerged under the liquid pump products, compared with the general horizontal pump or vertical sewage pump, submersible sewage pump has obvious advantages in the following aspects:

1. Compact structure and small footprint. The submersible sewage pump can be directly installed in the sewage pool because it is submerged under the liquid. There is no need to build a special pump room to install the pump and the machine, which can save a lot of land and infrastructure costs.

2. Easy to install and maintain. Small submersible sewage pumps can be installed freely. Large submersible sewage pumps are generally equipped with automatic coupling devices for automatic installation and installation and maintenance are very convenient.

3. Long running time. Submersible sewage pump Because the pump and the motor are coaxial, the shaft is short and the rotating parts are light. Therefore, the load (radial) on the bearing is relatively small, and the service life is much longer than that of a general pump.

4. There are no problems such as cavitation damage and flooding. In particular, the latter point brings great convenience to the operators.

5. Small vibration and noise, low motor temperature rise, no pollution to the environment.

Due to the above advantages, submersible sewage pumps have attracted more and more attention from people, and the scope of use has also become wider and wider. From the original purely used to transport clean water to the present, various submersible sewage, industrial wastewater, and construction can be transported. Site drainage, liquid feed, etc. It plays a very important role in various industries such as municipal engineering, industry, hospitals, architecture, restaurants, and water conservancy construction.

But everything is divided into two, the most critical issue for submersible sewage pump is the reliability problem, because the submerged sewage pump is used under the liquid; the medium is a mixed liquid containing some solid materials; The pump and the motor are in close proximity; the pump is in a vertical arrangement, and the weight of the rotating part is in the same direction as the impeller is subjected to the water pressure. These problems make the requirements of the submersible sewage pump in terms of sealing, motor bearing capacity, bearing arrangement and selection, etc. higher than that of a general sewage pump.

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