Progressive cavity pump structure and its application Progressive cavity pump is a common type of centrifugal pump, which is widely used in the industrial field due to its unique structure and working principle.
Next, we will have an in-depth analysis of the structure of the progressive cavity pump and its various application scenarios.
1. The structure of the screw pump is mainly composed of the following parts: feed port, screw, rotor, stator, discharge port and sealing structure.
Among them, the screw is the core component of the screw pump, which plays the role of transporting liquid.
1.Feed port: The liquid is usually fed into the progressive cavity pump through the feed port and into the pump body.
2.Screw: The screw is one of the most important parts of a screw pump.
It consists of threads and threaded grooves that convey liquids from the inlet to the outlet.
The screw is usually made of wear-resistant materials to guarantee its long-term stable work.
3.Rotor: The rotor is another core component that mates with the screw.
Its main function is to interact with the screw to form a sealed isolation channel, ensuring that the liquid can only flow from the inlet to the outlet.
4.Stator: The stator is a static part in a progressive cavity pump and is usually made of a metal material.
It works closely with the rotor so that the gap between the screw and the rotor is as small as possible to prevent liquid leakage.
5.Outlet: The liquid will be discharged from the outfeed after the combined action of the screw and the rotor.
6.Sealing structure: Progressive cavity pumps usually need a good sealing structure to prevent liquid leakage.
There are two common sealing structures: mechanical seals and packing seals.
Mechanical seals are usually made of highly wear-resistant materials, which are able to maintain good sealing performance at high speed rotation and high pressure;
Packing seals use packing material to fill the sealing cavity and provide a good seal at low speed or pressure.
Second, the application of screw pump, screw pump because of its unique structure and performance characteristics, screw pump has been widely used in various industries.
The following describes several typical application scenarios.
1.Petroleum industry: Progressive cavity pumps play an important role in the oil production process.
It can be used in the process of lifting, conveying and handling, and can effectively solve the transportation problem under high viscosity, high temperature and other conditions.
2.Chemical industry: Progressive cavity pumps are widely used in the chemical industry because they are able to convey various corrosive media and high-viscosity liquids.
It can be used for stirring and mixing, conveying paste-like substances, dosing and conveying, etc.
3.Food industry: Progressive cavity pumps are also widely used in food production processes.
It can convey high-viscosity liquids such as paste food, jam, salad dressing, etc., and has good conveying effect and hygienic performance.
4.Pharmaceutical industry: screw pumps also have certain applications in the pharmaceutical field.
It can be used to convey a variety of pharmaceutical slurries, powders and high-viscosity liquids, which can meet the needs of pharmaceutical production processes.
To sum up, as a common type of centrifugal pump, progressive cavity pump has its unique structure and working principle that make it widely used in various industries.
Whether in the petroleum industry, chemical industry, food industry or pharmaceutical industry, progressive cavity pumps play an important role.
It is believed that with the continuous development of technology, there will be greater breakthroughs and progress in the application of progressive cavity pumps in the industrial field.