Vane pumps according to the working principle of the impeller is divided into: centrifugal pumps, axial flow pumps and mixed flow pumps three basic types. Centrifugal is commonly used in horizontal pumps, axial flow pumps and mixed flow pumps are commonly used in vertical pumps. Centrifugal pump due to the impeller in the pump casing filled with water constantly rotating, the impeller on the blades between the water by the role of centrifugal force to do centrifugal movement, with a certain speed and pressure rushed to the casing, through the casing in the flow channel into the water pump outlet pipeline.
At the same time, the center part of the impeller to form a vacuum, suction pipeline water under atmospheric pressure, flow into the center part of the impeller to fill the vacuum area; flow into the center part of the impeller and the centrifugal force of the water, and then flow into the water pump through the casing of the outlet pipe. In this way, as long as the suction line can keep the water supplement and the impeller rotates constantly, it completes the pump's continuous water transfer process.
Expanded Information:
Note on the use of water pumps:
1, the water pump has any small failure to remember not to let it work. If the pump shaft packing finish wear and tear to be added in time, if you continue to use the pump will leak.
2, the pump in the use of the process of strong vibration this time must stop and check, otherwise the same will cause damage to the pump.
3, the pump bottom valve leakage, must be taken to the maintenance, if very serious then you need to replace the new.
4, the pump must pay attention to maintenance after use, for example, when the pump is used up to put the water in the pump clean, it is best to remove the water pipe and then rinse with water.
5, the water pump on the tape should also be removed, and then rinsed with water in the light after drying, do not put the tape in a dark and damp place. The tape of the water pump must not be stained with oil, not to mention the tape coated with something sticky.
Baidu Encyclopedia - Water Pump
Answered on 2022-12-01
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Working Principle of Water Pump
The purpose of water pump work is to transport water from one place to another, or to increase the pressure to convert the mechanical energy of the prime mover into liquid energy. Water pump working principle: after opening the pump, the impeller in the pump body to do high-speed rotary movement (open the pump before the pump to make the pump body is full of liquid), the liquid in the pump body with a piece of the impeller rotation, under the action of the centrifugal force of the liquid in the product was thrown out by the impeller, thrown out of the liquid in the pump diffusion chamber speed gradually slows down, the liquid was thrown out of the center of the impeller to form a vacuum low-pressure area, the liquid pool of the liquid in the outside world under the action of atmospheric pressure, through the suction pipe, the pump will be able to pump water from one place to another. The liquid in the liquid pool flows into the pump through the suction pipe under the action of external atmospheric pressure. The volume of the pump diffusion chamber is certain, with the increase of the liquid being thrown out, the pressure also increases gradually, and finally discharged from the outlet of the pump. Liquid is thus continuously sucked up from the liquid pool and then continuously discharged from the pump outlet.1 Company strength.2 Service quality.3 Price. If the above content is not comprehensive enough, you can also communicate with Duco Industrial Technology (Shanghai) Co. Ltd. is the production of syringe pump technology research and development-oriented enterprises, set the syringe pump research and development, production and sales in one. Our products are used in research laboratories, biopharmaceuticals, food and beverage, fine chemicals, environmental protection and many other fields. Welcome to inquire!
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The working principle of the pump
(A) the working principle and characteristics of the centrifugal pump 1, centrifugal pump working principle Before starting the water pump, the first pump and the inlet pipe is filled with water, the pump is running, in the high speed of the impeller rotating and the centrifugal force generated by the impeller under the action of the impeller channel of the water is thrown around the phase, pressed into the worm shell, impeller inlet to form a vacuum, the pool of water in the outside world under atmospheric pressure along the suction pipe is sucked in to replenish the pump. The water in the pool is sucked in along the suction pipe under the external atmospheric pressure to replenish the space. Following the inhalation of water is thrown out by the impeller through the worm case and into the outlet pipe. It can be seen that if the impeller of centrifugal pump rotates continuously, the water can be sucked and pressed continuously, and the water can be lifted continuously from the low place to the high place or far away. In summary, centrifugal pump is due to the impeller's high-speed rotation of the centrifugal force generated by the action of the water lift phase of the high place, so called centrifugal pump. 2, the general characteristics of the centrifugal pump (1) water along the centrifugal pump flow through the direction of the impeller along the axial suction, perpendicular to the axial outflow, that is, in and out of the direction of the water flow into each other at 90°. (2) Because the centrifugal pump impeller inlet to form a vacuum suction, so before starting must be phase pump and suction pipe filled with water, or vacuum pump pumping to discharge the air to form a vacuum, and the pump casing and suction piping must be strictly sealed, no air leakage, otherwise the shape of a vacuum, but also sucked no water. (3) due to the impeller inlet is not possible to form an absolute vacuum, so the centrifugal pump suction height can not exceed 10 meters, coupled with the flow of water through the suction piping to bring along the loss, the actual allowable installation height (pump axis from the height of the suction surface) is much less than 10 meters. If the installation is too high, it is not suction; in addition, due to the mountainous areas than the plains of low atmospheric pressure, so the same pump in the mountainous areas, especially in the high mountainous areas when the installation, the installation height should be reduced, otherwise it can not be sucked on the water. (B) the working principle and characteristics of axial flow pump 1, the working principle of axial flow pump axial pump and centrifugal pumps work differently, it is mainly the use of high-speed rotation of the impeller produced by the thrust of water. Axial pump blades rotate on the water generated by the lift, the water can be pushed from below to above. The vane of the axial flow pump is generally submerged in the pool of the sucked water source. Due to the high-speed rotation of the impeller, under the action of the lift force generated by the vanes, the water is continuously pushed upward, so that the water flows out along the outlet pipe. The impeller rotates continuously, and the water is continuously pressed to the high place. 2, the general characteristics of the axial pump (1) water in the direction of flow in the axial pump is along the axis of the impeller phase inhaled, the axis of the phase outflow, so called axial pump. (2) Low head (1 to 13 meters), large flow, high efficiency, suitable for plains, lakes, river network area drainage and irrigation. (3) start without irrigation, simple operation. (C) the working principle and characteristics of mixed-flow pump 1, the working principle of mixed-flow pump Due to the mixed-flow pump impeller shape between the centrifugal pump impeller and axial pump impeller, therefore, the working principle of mixed-flow pump both centrifugal force and uplift, relying on a combination of both the role of the water with the shaft to form a certain angle out of the impeller, the water through the worm chamber and piping to the high places. 2, the general characteristics of mixed-flow bungee (1) mixed-flow pumps and centrifugal pumps, compared with the lower head, flow rate is larger, compared with the axial pump, the head is higher, the flow rate is lower. Suitable for plains, lake drainage and irrigation. (2) water along the mixed-flow pump flow through the direction and impeller shaft into a certain angle and suction and outflow, so also known as swash flow pump. Article Link: China Pumps and Valves Business Network/Company_news/Detail/7833.html
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