How to improve the working efficiency of high pressure pump

High pressure pump is mainly a kind of equipment to provide high pressure power, in our life is very widely used, especially in some high floors, long pipeline transportation, groundwater collection and so on. However, high pressure pump in a long time after use, easy to appear pressure shortage, low work efficiency and other problems, seriously affect the efficiency of use. So, what method can solve the problem of low working efficiency of high pressure pump? Let's take a look.

1. Improve the finish of the high-pressure pipe
The realization of this phenomenon requires us to clean the pipe wall, make the high-pressure pipe smoother, effectively reduce the friction between the pressure and the pipe wall, and increase the amount of pressure entering.
2. Transformation of high-pressure pipes
It may be that the high pressure pipe before is too thin, resulting in pressure can not be completely into the high pressure pump, resulting in the material conversion failed to achieve the desired effect. We thicken the high-pressure pipe to expand the pressure entry area.
3. Improvement of high-pressure pump nozzle
In the high pressure pump nozzle exit to reduce the chamfering radian, to avoid should flow too fast influence pressure injection quality, after reasonable improvement, for the high pressure pump efficiency to improve greatly.
4. Shorten the length of pipe wall
For the unnecessary pipe wall in production, we can properly reduce, too long pipe will affect the air circulation, remove the excess pipe wall can improve the work efficiency of high pressure pump.
5. Do good maintenance
If you want to improve your work efficiency, maintenance is essential. Good maintenance, not only can prolong the service life, reduce economic costs, but also can solve the problem of low efficiency.
Although, high work efficiency can bring good economic benefits, but, if there is no reasonable transformation of the high-pressure pump will bring the opposite effect. So, it has to be done in a certain way.

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Daily maintenance technology of high pressure water pump

1： Vibration during operation
1. Unstable pipeline support and loose foundation bolts of high-pressure water pump are the common causes of vibration. It is necessary to tighten all bolts to prevent loosening.
2. If there is gas in the liquid, carefully check whether the connecting bolts on the sealing surfaces of the high-pressure water pump and water inlet pipeline are loose, whether the sealing gasket is damaged, and whether the pump body and pipeline system parts are damaged.
3. If the high-pressure water pump is not concentric with the motor shaft, it should be adjusted. If the rotating belt is too loose or the joint is not in good contact, it will also cause vibration. When the impeller of high-pressure pump is running unevenly, it is easy to form vibration due to wear of impeller or blockage of individual impeller channel, and sometimes vibration is caused by poor balance of impeller due to shaft bending.
2： Noise increases during operation
Bearing noise: the sound source of the bearing device, the iron bar or screw driver is used to support the bearing device part, and the ear is used to listen, which is a clattering sound.
Motor noise: it's a howling noise. You can only change the motor.
Cavitation noise: sound source in the pump cavity, crackling sound.
3. Hot motor
If the outer wall of the motor is hot, it may run over current. You can close the outlet valve and adjust it to run within the rated current. It may also be the quality problem of the motor coil, so the motor can only be replaced.
The rotating parts show friction, friction resistance increases, and the motor may be hot due to over current. Therefore, stop the machine to check whether the rotor is sensitive.
The bearing of the motor is heated, and the bearing may be short of oil or damaged. It needs to be repaired or replaced.
The working voltage is too low. Check the circuit and adjust the voltage.
No water flow after start-up: there is air in the pump or air accumulated in the inlet pipe, or the bottom valve is not closed tightly, the water supply is insufficient, the packing of vacuum pump leaks seriously, and the gate valve or flap valve is not closed tightly.

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Axial piston pump

Analysis of several common faults and causes in the use of axial piston pump

After working for a long time, or improper operation and maintenance, the axial piston pump often fails. Now Hengyu hydraulic briefly introduces several common failures and causes analysis of the axial piston pump.

1. Insufficient output flow or no oil at all: large suction resistance or air intake; poor bearing capacity of shaft; damage of return spring or return plate; dirt between port plate and cylinder block; damage of plunger or plunger plug hole; wrong position of variable mechanism; too high oil temperature; poor assembly.
2. The pressure is not raised or not at all: the above-mentioned insufficient flow may be caused; the variable mechanism is not adjusted properly; other reasons.
3. Large pump noise and pressure fluctuation: air intake; inflexible movement of variable piston; too small angle of triangular groove; small rigidity of variable mechanism; loose fit of sliding shoe and ball head; large leakage of variable mechanism.
4. Pump heating and high oil temperature rise: the piston and plug hole, the junction surface of port plate and cylinder block are worn, with large leakage; the movement pairs in the pump are seriously worn and roughened, with low mechanical efficiency; the pump has small eccentricity or low working pressure; the oil viscosity is large, the oil tank volume is small; the bearing is worn, and the transmission is stifling.
5. Serious oil leakage of leaking oil pipe (internal and external leakage): wear of cylinder block and port plate, plunger and plug hole; wear of variable piston, resulting in leakage; damage of joint seal; oil leakage of oil seal.
6. Pump can not rotate: plunger stuck; slide shoe off; ball head broken; return disk broken; cylinder and port plate sintering;
7. Variable mechanism failure: the arc surface of variable head bearing bush is seriously worn; the control oil channel is blocked; the variable piston is stuck; the control valve spring is damaged; the variable mechanism leaks
8. Wear or burn out of mating surface between port plate and cylinder body: dirty oil; no oil in the pump during startup; insufficient hardness of port plate; poor material of cylinder body; high temperature and high pressure deformation of port plate; poor coaxiality of bearing hole and transmission shaft in pump housing; too large mating clearance between cylinder body and bearing; too small clearance between drive shaft spline mating; the valve plate and rotation center are not vertical; the transmission shaft is bent; matching The high and low pressure transition area of the flow plate is seriously trapped in oil.
9. Wear or burn out of joint surface of slipper and swashplate: oil pollution; plug of damping hole of plunger or slipper; insufficient hardness or machining accuracy of swashplate; inconsistent thickness of slipper shoulder; insufficient accuracy of hydrostatic bearing on slipper surface; small plane of plunger ball head.

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How to control the flow of plunger pump

(1) Improve the system planning of plunger pump. After repeated verification, the leading priority valve and load sensing full plunger steering system are finally selected. Regardless of the size of the load and the uneven speed of the steering wheel, the new system can distribute the flow according to the steering demand. You can use some equipment to supply oil to the operating equipment circuit, then eliminate the power loss caused by too much oil supply to the steering circuit, increase the system power, and reduce the working pressure of the plunger pump.
(2) Optimize the appearance of the boom cylinders and the plunger pumps to reduce the operating pressure of the system. After optimization calculation, select boom cylinder from standard series 80 / 4. The displacement of the plunger pump is increased from 10ml / R to 14ml / R, and the set pressure of the system is 14MPa, which meets the lifting force and speed requirements of the boom cylinder.
(3) During the operation, pay attention to the correct use and protection of the loader, add or replace the hydraulic oil regularly, keep the cleanliness of the oil, and strengthen the regular observation and protection.

Technical parameters:
1. Work positioning 12 stations, two stations synchronous welding;
2. IGBT transistor high frequency power supply 2x25kw, working frequency 25 ± 5KHz;
3. Input voltage 380V, frequency 50 (60) Hz;
4. Water cooling system: water pressure 2-3kgf / cm2, input water temperature < 30 ℃, water flow 30L / min;
5. Automatic switch to two-stage heating mode;
6. Operation mode: automatic program control / manual control;
7. Overall dimension: 1875x1680x1680.

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How to deal with kitchen waste? What is kitchen waste? Food waste refers to the food waste produced in the production process of restaurant operators and unit canteens, and the kitchen waste produced in the household life of residents. It mainly includes discarded vegetable leaves, leftovers, leftovers, peel, eggshell, tea dregs, broken bones, etc.
In China, the treatment methods of sludge, waste water and sludge are usually incineration, but the kitchen waste contains organic waste such as peel and leftovers, which has high moisture content and high grease content and is not easy to landfill and incineration. In view of this situation, the kitchen delivery pump of Sanyuan environment plays a greater role. What's the function of kitchen delivery pump?
What is the function of kitchen waste pump? Advantages of kitchen waste pump
1. Pump rotor: nano composite wear-resistant rubber rotor, dry operation resistant, idle time more than 60 minutes, the pump body is solid and durable, long life;
2. Anti gas resistance technology: the self-priming height can reach 9 meters, and the horizontal self-priming can reach more than 100 meters, without the need of drainage tank pump. The gas-liquid self-adaptive integrated tank can effectively eliminate the gas resistance and cavitation phenomenon in the process of air extraction (100 m self-priming), so that the pump device has the gas transmission and infusion functions of pump and compressor at the same time.
3. Gas liquid two-phase sealing technology: the special mechanical seal developed by domestic famous mechanical seal experts is adopted. The sealing surface has unique structure, sufficient lubrication, no air resistance and sufficient cooling medium convection, which can effectively prevent dry grinding, high temperature, cracking and failure of the sealing surface and ensure the normal operation of the pump unit. No blocking, strong trafficability: ordinary plastic bags, woven bags, sand, mud, hair and other debris will not affect the use of the pump.

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Disassemble the lower bearing, select and measure it. If there is scratch or discoloration on the roller surface, replace it. When replacing the bearing, the English letters and types of the bearing shall be reserved. Most of the plunger pump bearings are of large load capacity. The original manufacturer and Standard commodities shall be bought. If another brand is replaced, the personnel with experience in bearing shall be consulted to check the table for replacement, so as to adhere to the bearing and load capacity.
Application and repair methods of hydraulic pump plug pump: This paper mainly introduces the application and repair methods of hydraulic pump plug pump. 1 oil supply method of hydraulic pump
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The dispenser of the diaphragm pump is directly connected to the diaphragm pump and does not need to install three or four links. It can provide multiple interfaces, and make the dispensing of the dispensing more uniform. It can also make the atomization of the medicine liquid better, and the structure is simple, which can effectively improve the spray effect of the dispensing machine.
The adopted technical scheme is: a cylindrical tank body is included, a number of convex interface ends are arranged at both ends of the tank body and around the cylindrical tank body, an interface connected to the inside of the tank body is arranged in the interface end, an interface thread is arranged in the interface, and an inlet is arranged at one side of the tank body.
The tank body material is plastic, which can develop the corrosion of liquid medicine.
At least a metal ferrule is arranged at the outer side of the inlet or the interface end, a metal ring can also be arranged at the inner side of the interface or the inlet, and an interface thread is arranged in the metal ring, which is also more firm.
By setting a cylindrical tank, a number of convex interface ends are arranged at both ends of the tank and around the cylindrical tank, an interface connected to the inner part of the tank is arranged in the interface end, an interface thread is arranged in the interface, and an inlet is arranged at one side of the tank body. By directly connecting the cylindrical tank to the diaphragm pump, multiple can be provided without installing another three-way or four-way connection The interface can also make the dispensing of the medicine liquid more uniform, and can also make the atomization of the medicine liquid better, and the structure is simple, which can effectively improve the spray effect of the dispensing machine.

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Product overview

WQ (QW) submersible mud pump is a new generation of pumps developed on the basis of the introduction of foreign advanced technology and the use characteristics of domestic pumps. It has the characteristics of high efficiency, energy saving, unique structure, anti winding, non blocking, automatic installation and automatic control. It has a unique effect in discharging solid particles and long fiber waste. It is applicable to chemical, petroleum, pharmaceutical, mining, paper industry, cement plant, steel plant, power plant, coal processing industry, as well as the sewage and dirties of conveying belt particles in the drainage system of urban sewage treatment plant, municipal engineering, construction site and other industries. It is also used for pumping clean water and corrosive medium.

WQ (QW) submersible mud pump

WQ (QW) submersible mud pump adopts a unique impeller structure and a new type of mechanical seal, which can effectively transport solids and long fibers. Compared with the traditional impeller, the impeller of the pump adopts the form of single channel or double channel, which is similar to a bend with the same cross-section size, and has very good over flow performance. With a reasonable volute chamber, the pump has high efficiency, the impeller has dynamic and static balance test, and the pump has no vibration in operation.

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