The role of pumps in various fields

1. What is a pump?

A pump is a machine that transports or pressurizes a liquid. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid.


2. The role of the pump

It is mainly used to transport liquids such as water, oil, acid and alkali liquid, emulsion, suspoemulsion and liquid metal, as well as liquid, gas mixture and liquid containing suspended solids.


3. Classification of the pump

a. The working principle is divided into three categories: positive displacement pump, dynamic pump and other types of pumps.

b. The nature of the conveying liquid can be divided into water pump, oil pump and mud.

c. The structure can be divided into single-stage pumps and multi-stage pumps.

4. Application of pumps in various fields

In the production of the chemical and petroleum sectors, the raw materials, semi-finished products and finished products are mostly liquid, and the raw materials are made into semi-finished products and finished products, which need to go through a complicated process. In addition, pumps are used to adjust the temperature in many devices. In agricultural production, pumps are the main drainage and irrigation machinery. my country’s rural areas are vast, and a large number of pumps are needed in rural areas every year. Generally speaking, agricultural pumps account for more than half of the total output of pumps.

In the mining and metallurgical industry, pumps are also the most used equipment. Mine needs to use pumps to drain water, and in the process of beneficiation, smelting and rolling, pumps are needed to supply water first. In the power sector, nuclear power plants require nuclear main pumps, secondary pumps, and tertiary pumps, and thermal power plants require a large number of boiler-feed water pumps/condensate water pumps, circulating water pumps, and ash pumps. the

In national defence construction, the adjustment of aircraft flaps, tail rudders and landing gear, the rotation of warships and tank turrets, and the ups and downs of submarines all require pumps. High-pressure and radioactive liquids, also require pumps without any leakage. the

In the shipbuilding industry, there are generally more than a hundred pumps used on each ocean-going ship, and their types are also various. Others, such as urban water supply and drainage, water for steam locomotives, lubrication and cooling in machine tools, transportation of bleaching liquid and dyes in the textile industry, transportation of pulp in the paper industry, and transportation of milk and sugar in the food industry, etc., require a large number of pump.

In short, whether it is aircraft, rockets, tanks, submarines, drilling, mining, trains, ships, or daily life, pumps are needed everywhere, and pumps are running everywhere. Just like this, the pump is listed as general machinery, which is a kind of raw product in the machinery industry.


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