OIL PUMPS

What is a pump? How are pumps classified?

Source:未知 Time:2021-06-29 16:09
1.
Pump is the transport of liquid or liquid pressurization machinery.
It transmits the mechanical energy of the prime mover or other external energy to the liquid, so that the liquid energy increases.
2.
The pump is mainly used to transport liquid such as water, oil, acid, alkali, emulsion, suspended emulsion and liquid metal, and can also transport liquid, gas mixture and liquid containing suspended solids.
3.
Pumps can usually be divided into positive displacement pump, power pump and other types of three types of pump according to the working principle.
4. Positive displacement pump.
Relying on the periodic change of the volume of the sealed working space containing the liquid, the energy is periodically transferred to the liquid, so that the pressure of the liquid increases to the liquid is forcibly discharged.
According to the movement form of working components can be divided into reciprocating pump and rotary pump.
5.
Power also called impeller pump or pump, vane pump, rely on the dynamic function of rotating impeller for liquid, convey energy continuously to liquid, can make the liquid kinetic energy (mainly) and pressure increase, then through the pressure out of the room can converts kinetic energy into pressure, can divide again for centrifugal pump, axial flow pump, partial emission pump and vortex pump, etc.
6.
Other types of pumps.
Transmits energy in other forms.
For example, the jet pump relies on the high-speed jet working fluid to mix the fluid that needs to be transported into the pump and carry out momentum exchange to transfer energy;
Water hammer pump uses part of the water in the flow when braking to be raised to a certain height to transfer energy;
Electromagnetic pump is to make the liquid metal electrified flow under the action of the electromagnetic force to achieve transportation.
What is a pump?
How are pumps classified?
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