Who knows the principle and production of the water pump, and what is the working principle of the w

1. The working principle of the piston pump.

The piston pump, also known as the absorption pump, uses the movement of the piston to discharge the air, causing the difference between the internal and external air pressure and making the water rise and pump out under the action of air pressure, when the piston is pressed, the water inlet valve is closed and the exhaust valve is opened; When the piston is lifted, the exhaust valve is closed, the water inlet valve is opened, and under the action of the outside atmospheric pressure, the water flows out from the water inlet pipe through the water inlet valve from the upper water outlet In this way, the piston moves up and down in the cylinder, constantly pumping the water out

2. The working principle of centrifugal water pump.

Before the pump starts, fill the pump casing with water, discharge the air in the pump casing, make the pressure of the central part of the pump less than the outside atmospheric pressure, when starting, the impeller rotates at high speed under the drive of the motor, and the water in the pump casing also rotates with the impeller at high speed, and is thrown into the outlet pipe at the same time, at this time, the pressure near the impeller decreases, and the atmospheric pressure makes the water at the low place push open the bottom valve, along the pump casing of the inlet pipe, and the water coming in is thrown into the outlet pipe by the impeller, so that the circulation continues, and the water is continuously pumped to a high place

Note: Piston pumps and centrifugal pumps use atmospheric pressure to pump water up, because the atmospheric pressure has a certain limit, so the height of the pumping machine also has a certain limit, not exceeding.

M: I don't know which one you're talking about?

The American Darley KSP1000 water pump is a high-speed single-stage centrifugal pump, which is composed of a water pump and a gearbox, and is driven by a power take-off.

Its working principle is: the prime mover drives the impeller to rotate, sucks water into the pump from place A, and discharges it to place B. The dominant role in the pump is the impeller, in which the blades force the liquid to rotate, and the liquid is thrown out in all directions by centrifugal force.

This situation is like a rotating umbrella, and the water droplets on the umbrella are thrown out in all directions. After the liquid in the pump is thrown out, the new liquid enters the pump at atmospheric pressure. And so on and so on from A to B with a continuous supply of water.

The pump should be filled with water before starting. If it is not filled with water, the impeller can only drive the air to rotate, because the mass of the unit volume of the air is very small, the centrifugal force generated is very small, and it is unable to discharge the air in the pump and the drain pipe, causing a vacuum in the pump, and the water cannot be sucked up. The foot valve of the pump is used for irrigation, and the regulating valve on the outlet side of the pump is used to regulate the flow rate.

Before the vehicle fire pump starts, it can be filled with water, and when it is necessary to absorb water from a natural water source, it is necessary to start the water diversion device to discharge the air in the pump room and the suction pipe, and the liquid enters the pump under atmospheric pressure, so that the pump can also continuously absorb water.

1. The working principle of centrifugal pump The centrifugal pump relies on the action of the rotating impeller on the liquid to transfer the mechanical energy of the prime mover to the liquid. Because the liquid flows from the inlet of the impeller to the outlet in the process, its velocity energy and pressure energy are increased, the liquid discharged by the impeller passes through the pressure chamber, most of the speed can be converted into pressure energy, and then transported along the discharge pipeline, at this time, the impeller inlet is formed by the discharge of the liquid and forms a vacuum or low pressure, and the liquid in the liquid pool is sucked into the inlet of the impeller under the action of liquid surface pressure (atmospheric pressure), so that the rotating impeller continuously sucks in and discharges the liquid. 2. The working principle of the positive displacement pump (rotary type) The power is transmitted to the gear through the shaft, and a pair of synchronous gears drive the pump blade to make a synchronous reverse rotation movement, so that the inlet area produces a true mouth, and the medium is sucked in, and the medium is sent to the outlet with the rotation of the pump blade, and the medium is sent to the outlet, and the volume of the outlet mouth becomes smaller, and the pressure (outlet high-pressure area) is generated to output the medium.

This type of pump is suitable for highly viscous media due to the high viscous medium with low rotation speed, strong self-priming ability and poor flow performance, and sufficient time and speed to fill holes. Sealing surface inside the pump. The internal diarrhea is small, so the efficiency of the pump is higher, up to more than 70, and at the same time, it can reach high pressure to convey the medium, and it also has good adaptability to the medium with less viscosity.

3. Classification of centrifugal pumps and their respective characteristics Centrifugal pumps are divided into vertical pumps and horizontal pumps according to their structural forms

The center of gravity is high, and it is not suitable for operation without fixed feet. Horizontal pump features: wide range of applications, low center of gravity, good stability, disadvantages:

It covers a large area, has a large construction investment, is large in volume and heavy in weight. 4. Classification and characteristics of positive displacement pumps Positive displacement pumps are divided into two categories: reciprocating and rotary pumps.

Not centrifugal force. The core working part of the pump is a rotating shaft with spiral blades, which is driven by a motor and transmitted to the outside of the nozzle through the pump pipe through the pumping and squeezing of water. Ever seen a hand-cranked meat grinder? The transfer principle of the water pump is the same as it.

Centrifugal force. What happens when an object rotates around a point? It will be thrown out of all directions by centrifugal force, and if you give it an exit, of course it will run out of that exit

The air pressure difference makes the air pressure in the pump lower than the standard pressure, so that the water pressure is transferred to the pump.

5 Haier brothers, what is the working principle of the water purifier?

【Working principle of water pump】The technical parameters to measure the performance of the pump include flow, suction lift, head, shaft power, water power, efficiency, etc.; According to different working principles, it can be divided into volumetric water pumps, vane pumps and other types.

1. The positive displacement pump uses the periodic changes of its studio volume to transfer energy and liquid;

2. Vane pumps use the interaction between rotary blades and water to transfer energy and liquid, and are divided into centrifugal pumps, axial flow pumps and mixed-flow pumps.

1) The working principle of the centrifugal pump: before the pump starts, the pump and the inlet pipe are filled with water, after the pump is running, under the action of the centrifugal force generated by the high-speed rotation of the impeller, the water in the impeller flow channel is thrown around, pressed into the volute, the impeller inlet forms a vacuum, and the water of the pool is sucked along the suction pipe under the external atmospheric pressure to supplement this space. The inhaled water is then thrown out by the impeller and enters the outlet pipe through the volute.

It can be seen that if the impeller of the centrifugal pump rotates continuously, it can continuously absorb and press water, and the water can be continuously lifted from low to high or far away.

2) The working principle of the axial flow pump: The working principle of the axial flow pump is different from that of the centrifugal pump, which mainly uses the thrust generated by the high-speed rotation of the impeller to lift water. The lift on the water as the axial pump blades rotate pushes the water from below to above.

The blades of axial flow pumps are generally submerged in a pool of water from which the source is sucked. Due to the high-speed rotation of the impeller, under the action of the lifting force generated by the blades, the water is continuously pushed upward, so that the water flows out along the outlet pipe. As the impeller rotates, the water is continuously pressed to a higher place.

3) The working principle of the mixed-flow pump: because the shape of the impeller of the mixed-flow pump is between the impeller of the centrifugal pump and the impeller of the axial flow pump, the working principle of the mixed-flow pump has both centrifugal force and lift, relying on the comprehensive effect of the two, the water flows out of the impeller at a certain angle with the shaft, and the water is lifted to a high place through the volute chamber and the pipeline.

A water pump is a machine that transports or pressurizes a liquid. It transmits the mechanical energy or other external energy of the prime mover to the liquid, so that the liquid energy increases, and is mainly used to transport liquids including water, oil, acid and alkali, emulsion, suspension emulsion and liquid metal, etc., and can also transport liquids, gas mixtures and liquids containing suspended solids.

When the impeller rotates, it drives the blades in the impeller to drive the fluid to rotate together, generating centrifugal force, and the fluid is thrown along the blades to the impeller outlet under the action of force, and is fed into the outlet pipe.

As the impeller rotates repeatedly, the fluid is continuously sucked in and discharged, and the centrifugal pump is always in working condition.

Therefore, the outer diameter of the impeller, the height and angle of the impeller blades, and the gap between the impeller blade and the water pump casing are generally driven by the crankshaft of the engine through the V-belt. The transmission belt is surrounded between the crankshaft pulley and the water pump pulley, and the water pump shaft will follow the operation of the crankshaft as soon as it rotates, and the water pump shaft will drive the impeller to rotate, so as to realize the conversion of mechanical energy into hydraulic energy.

The impeller is the core of the pump's work, and the movement of the impeller itself is simple, just rotating with the shaft. But due to the action of the blades, the movement of the liquid in the impeller is complex; On the one hand, it is implicated with the rotation of the impeller, and on the other hand, it is continuously thrown out of the rotating impeller under the drive of the blades, that is, the movement of the relative impeller.

The working principle of a water pump is to convert the power of the motor into the power of the liquid, which creates a flowing force that transports the liquid from the low-pressure area to the high-pressure area.

Specifically, the main working parts of the water pump are the impeller, pump casing, and bearings. When the motor starts, the impeller begins to rotate, which draws the liquid into the pump casing. When the impeller rotates, the liquid is pushed towards the outlet of the pump casing due to the centrifugal force, and a flowing force is created.

In this process, the shape of the pump casing and the design of the impeller can increase the flow rate and pressure of the liquid, thus achieving the effect of liquid transfer.

At the same time, the pump also has some auxiliary parts, such as seals and pump shafts, etc., their role is to ensure that the liquid does not leak in the pump, and make the operation of the pump more stable and reliable.

In short, the water pump uses the power of the motor to transport the liquid from the low-pressure area to the high-pressure area to realize the transportation of the liquid. During the movement of the liquid, centrifugal force and the design of the pump casing are used to increase the flow rate and pressure of the liquid, so as to achieve the conveying effect.

The working principle of water pumps with different driving principles is different, and the driving principles of common water pumps are:

Direct connection, gearing, fluid-coupling, multi-belt and coaxial.

How the centrifugal pump works:

The working principle of ordinary centrifugal pump is through the principle of centrifugal force, the pump and the inlet pipe are filled with water before starting, or the vacuum pump is used to pump air and start after the air is started, the working principle of the automatic water supply device of the ordinary centrifugal pump is to use the artificial well to directly discharge the air in the pump and the pump suction pipe, and through the check valve, gate valve and other facilities, the pump and the pump suction pipe are always filled with water, and can be started at any time.

How the magnetic pump works:

Magnetic transmission is characterized by magnetic force that can attract ferromagnetic substances and magnets or magnetic fields, and non-ferromagnetic substances do not affect or rarely affect the magnitude of magnetic force, and can be transmitted through the isolation sleeve without contact.

Magnetic transmission energy is divided into asynchronous motor and synchronous motor. Most magnetic centrifugal pumps use synchronous motors. The motor is connected to the outer magnet by means of an external coupling, while the impeller is connected to the inner magnet.

It is equipped with a fully sealed isolation sleeve between the inner magnet and the outer magnet, isolating all the internal and external magnets, and all the inner magnets have been in the medium, and the rotating shaft of the motor uses the suction of the magnetic poles between the magnets to directly drive the impeller to run together.

Asynchronous motors are driven by magnetism, also known as torsion ring magnetism. The torque ring of the squirrel cage structure is used to replace the inner magnet, and the torque ring will rotate less than the speed under the attraction of the outer magnet. Because there is no internal magnet, the temperature of use is higher than that of synchronous drive.

The principle of the water pump is to transfer the mechanical energy of the prime mover or other external energy to the liquid, so that the liquid energy increases. A water pump is a machine that transports or pressurizes a liquid. It is mainly used to transport liquids including water, oil, acid and alkali, emulsion, suspension emulsion and liquid metal.

The working principle of the water pump: the pump transmits the mechanical energy of the prime mover or other external energy to the liquid, so that the liquid energy increases.

The purpose of the pump: it is mainly used to transport liquids such as water, oil, acid and alkali, emulsion, suspension emulsion and liquid metal, and can also convey liquid, gas mixture and liquid containing suspended solids.

Classification of pumps: Generally, they can be divided into three categories: positive displacement pumps, power pumps and other types of pumps according to their working principles. In addition to classifying by working principle, it can also be classified and named in other ways.

For example, according to the drive method, it can be divided into electric pump and water wheel pump. According to the structure, it can be divided into single-stage pump and multi-stage pump. According to the use, it can be divided into boiler feed pump and metering pump.

According to the nature of the conveyed liquid, it can be divided into water pump, oil pump and mud pump.

1. Positive displacement pump: use the periodic change of the volume of the working chamber to transport liquid. 2. Vane pump: The interaction between the vane and the liquid is used to transport liquid.