Classification and difference of submersible pumps

The hot water submersible pump is used for hot spring bathing, and can also be used for extracting groundwater from deep wells, and can also be used for water lifting projects such as rivers, reservoirs, and canals. It is mainly used for farmland irrigation and human and animal water in high mountain areas. It can also be used for central air conditioning cooling, heat pump units, cold pump units, cities, factories, railways, mines, and construction site drainage. The general flow rate can reach 5~650m³/h, and the head can reach 10-550 meters.

This article contains the following:

• The main classification of submersible pumps

• The main differences between different types of submersible pumps

• Structural characteristics of submersible pumps

The main classification of submersible pumps

In terms of the medium used, submersible pumps can be roughly divided into three categories: clean water submersible pumps, sewage submersible pumps, and seawater submersible pumps (corrosive).

Installation method of submersible pump

1. Vertical and vertical use, such as in a general well;

2. Oblique use, for example, in the inclined roadway of the mine;

3. Horizontal use, such as in the pool.

The main differences between different types of submersible pumps

As a general machine, the pump is widely used. With the development and evolution of water pumps, a variety of water pumps have appeared, and their names are varied. The names and classifications of these pumps in various pump books are different. Therefore, it causes trouble for product application and promotion. Generally speaking, the pump can be divided into:

1. Impeller pumps such as: centrifugal pumps, mixed flow pumps, axial flow pumps, etc., swirl pumps;

2. Volumetric pumps such as: plunger pump, gear pump, screw pump, vane pump, etc.;

3. Other types such as jet pump, water hammer pump, etc.

Among them, the vane pump can be divided into horizontal and vertical types according to the structural form (shaft position); it can be divided into submersible pumps and ground pumps according to the working position.

Slurry pumps, mud pumps, sand (sand) pumps and submersible pumps for sand discharge are all named according to the functional uses of the pumps, and all belong to the impurity pump.

Structural characteristics of submersible pumps

A rubber bearing is installed in the diversion casing of each stage of the submersible pump; the impeller is fixed on the pump shaft with a vertebral sleeve; the diversion casing is integrated with threads or bolts. The high-lift submersible pump is equipped with a check valve at the upper part to avoid the damage caused by the shutdown water hammer. The electric secret is closed, using precision stop bolts, and the cable outlet is sealed with a rubber pad. The motor has a water injection hole on the upper end, a vent hole, and a water drain hole on the lower part. The lower part of the motor is equipped with upper and lower thrust bearings. The thrust bearing has grooves for cooling, and it wears a stainless steel thrust disk that withstands the vertical axial force of the pump.

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