First, the difference between submersible pumps and deep well pumps
Both submersible pumps and deep well pumps are submersible water pumps, they work the same principle, but there are differences in structure different. The submersible pump is a single-stage impeller with small lift, large pump body and low power. The motor and the impeller are combined into one through a mechanical seal, and the whole works underwater, which is suitable for extraction operations in large spaces. The deep well pump is also called the deep well submersible pump. It is a multi-section pump with a large lift and a small and long pump body. It is suitable for small-diameter deep water wells and has a relatively large power. The quality of deep well pumps is relatively better.
Second, the difference between submersible pumps and centrifugal pumps
1. Different working principles
Submersible The principle of the pump is like an electric fan, the pump and the motor mechanism are immersed in the water as a whole, and the conveying medium is water. Centrifugal pump is designed according to the principle of centrifugal force, and the rapidly rotating impeller blade drives the liquid to rotate, and the liquid is thrown out, so as to achieve the purpose of conveying. There are many media that can be transported, such as: oil, water and chemical materials.
2. Different installation positions
The submersible pump is used submerged in the water, and the centrifugal pump is used in the ground pump room.
3. Different uses
Centrifugal pumps can be widely used in electric power, metallurgy, coal, building materials and other industries to transport slurries containing solid particles. Such as hydraulic ash removal in thermal power plants, slurry transportation in metallurgical dressing plants, coal slurry and heavy medium transportation in coal washing plants, etc. Submersible pumps are mainly used for farmland irrigation and water for people and animals in high mountains, and can also be used for central air-conditioning cooling, heat pump units, cold pump units, cities, factories, railways, mines, and construction site drainage.
4. Different structure
Centrifugal pump consists of impeller, pump body, pump cover, water retaining ring, pump shaft, bearing, sealing ring, stuffing box , Axial force balance device and other components. The complete set of submersible pump consists of control cabinet, submersible cable, lifting pipe, submersible electric pump and submersible motor.
