Electric mode of electric diaphragm pump

In real life, the use of electric diaphragm pump is also relatively common. In many occasions, the diaphragm pump with electric characteristics will be used. It breaks the traditional application mode, has certain electric performance and automation performance, and is very small in volume, especially light in weight, and easy to move and install. It has no complex control system, and there is no computer and fuse wait.

This ensures its safety. The diaphragm pump can be used in various industries, such as chemical industry, petroleum industry, coating industry, daily chemical industry, mining industry, water treatment industry and food industry. And in the modern furniture industry and metallurgical casting industry can also be used, without any negative impact.

And this kind of electric diaphragm pump can always maintain a high efficiency, not because of wear and tear and reduce its use efficiency, do not need lubricating oil for lubrication, its maintenance is very simple and convenient, there will be no dripping pollution of the working environment.

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Centrifugal pump technology

Centrifugal pump is the main production products, it includes stainless steel centrifugal pump, stainless steel chemical centrifugal pump, single-stage centrifugal pump, horizontal multi-stage centrifugal pump and other centrifugal pumps. To really understand the centrifugal pump, we must first understand the principle of centrifugation. Centrifugation is actually a manifestation of the inertia of any object. Centrifugal pump is precisely using this principle to work. When the pump is in operation, the pump body and inlet pipe are filled with water, forming a vacuum state. When the impeller rotates rapidly, the water will be thrown out quickly because of the centrifugal force; when the impeller continues to rotate, the water source will be continuously pressed into the penstock under the action of water pressure, maintaining the circulation state, and finally realizing continuous pumping.

In recent years, the development of domestic centrifugal pump is expected, and the speed of development is also amazing. However, behind the rapid development, there is a natural problem that can not be ignored is that domestic enterprises are busy with the development of enterprise economy, which makes this industry hover in the middle and low level, and has not been able to surpass. In this regard, the development direction of centrifugal pump is very obvious, that is to change the current weak state, so that domestic pump development to a new level.

According to the current development trend, centrifugal pump will continue to be used in many fields and industries in the future, among which the most important are environmental protection industry, water conservancy field, power station, petroleum and petrochemical industry, agricultural water conservancy construction, etc. Environmental protection industry is widely used, sewage treatment plant, industrial wastewater treatment device all use centrifugal pump, make water resources treatment more convenient. In addition, the use of centrifugal pump in petroleum and petrochemical industry is particularly prominent, which has already become an important field. Without centrifugal pump, it is almost impossible to walk.

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Fluorine lined pneumatic diaphragm pump

Fluorine lined pneumatic diaphragm pump is a kind of product with high application rate in real life. It can be used in various environments, and can be applied to any acid-base and organic solvent. It has a wide range of applications. The pump body structure is very beautiful, with certain physical resistance and durability. It can be recycled for various corrosive liquid particles and high viscosity and volatile liquid. For example, slurry glue, oil tank bottom oil and ceramic glaze slurry can be used for photometry, and there will be no dripping phenomenon. It is a relatively new product in China which mainly uses compressed air. This equipment is durable, has good trafficability, and can pass through channels with maximum particle diameter up to 10 mm. In addition, it can be used in pumping mud method When, the wear rate of itself is very small.

It can transport viscous liquid without electricity. It can be used safely in inflammable and explosive places. In addition, its head flow can be adjusted steplessly through the valve opening. It can be adjusted according to our actual situation. It is very convenient to use and reliable. When opening and closing the gas valve, you just need to simply open and close the gas valve, even if the accident will not damage its internal, once the overload of the diaphragm pump will automatically stop running, so it has the performance and advantages of self-protection, when the current is working normally, it will also start automatically, and will not cause any injury to our human body We have a good medium protection, which can protect people from corrosion. It is suitable for all kinds of acid-base medium. It can absorb all kinds of sewage, cement and other substances. It can also absorb all kinds of strong acid and alkali liquid. The usage is very good. The maximum temperature can reach 150 ℃.

Fluorine lined pneumatic diaphragm pump brings more convenience to the contemporary life. It is frequently used in various construction industries, petrochemical industry and chemical industry. The overall application strength is quite high. The overall strength is very good. Before using this kind of equipment, we must check the equipment to ensure that all parts of the connection are relatively intact without any damage To achieve its maximum value.

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Submersible sewage pump with cutting in sewage treatment project

The submersible sewage pump with cutting can be used in harsh environment. It is suitable for pharmaceutical, papermaking, chemical industry, coal processing industry and urban sewage discharge system to transport liquid containing solid particles and long fibers, as well as dirty, sticky and slippery sewage and sewage. It can also be used for pumping clean water and corrosive media. It will not be clogged in operation, and the operation is extremely reliable.

In different links of sewage treatment project, the auxiliary of submersible sewage pump with cutting is needed to promote the sewage flow. Therefore, in view of different treatment environment, the performance indicators such as pump flow and allowable maximum solid diameter are fully considered, and then the cutting submersible sewage pump with appropriate flow and sewage discharge capacity is selected to maximize its performance in the most economical way The process of sewage treatment.

The application of submersible sewage pump with cutting in sewage treatment is mainly used in the areas with more granular and fibrous solids, such as inlet pump house, sludge collection pump room, sludge collecting well, digestion tank, purification tank, clarifier, dust and sand tank, which plays a key role in water flow transportation of sewage treatment plant.

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Installation of self suction magnetic pump

The self suction magnetic pump adopts external mixing axial return water pump body structure. The pump body is composed of suction chamber, liquid storage chamber, volute, reflux hole, gas-liquid separation chamber, etc. After the self-priming magnetic pump is started, under the action of centrifugal force, the remaining liquid in the suction chamber and the air in the liquid inlet pipeline are stirred into a gas-water mixture by the impeller. The mixture enters the gas-liquid separation chamber through the volute. As the speed slows down, the air is discharged from the liquid outlet of the pump, and the liquid returns to the pump through the backwater hole. After several cycles, the air in the liquid inlet pipe is exhausted A certain vacuum degree is formed in the pump to achieve self-priming effect. The self-priming magnetic pump replaces the dynamic seal with the static seal, which makes the flow passage parts of the pump in a completely sealed state. The self-priming magnetic pump thoroughly solves the problems of running, emitting, dripping and leaking which cannot be avoided by other mechanical seals.

Self priming magnetic pump is a new product which has been successfully researched and tested by engineers and technicians of our company on the basis of absorbing foreign new technology according to the requirements of users. The self-priming magnetic pump adopts magnetic transmission principle and hybrid structure. Compared with ordinary centrifugal pump, it can reflect self-priming, facilitate remote centralized control and implement automatic operation. Therefore, it is widely used, especially for those cases where the installation position of the pump is higher than the liquid level, the self-priming magnetic pump is the first choice.

The self suction magnetic pump has the characteristics of full sealing, no leakage and corrosion resistance. The self-priming magnetic pump is self-priming. It does not need bottom valve and irrigation water. The self-priming height is 4 meters. It can be widely used in petroleum, chemical, pharmaceutical, electroplating, printing and dyeing, food, scientific research and other units. It can pump acid, alkali, oil, rare precious liquid, toxic liquid, volatile liquid, as well as circulating water equipment, especially for the pumping of leakage, flammable and explosive liquid.

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Causes and solutions of overheat of screw pump motor

If the screw pump motor is too hot and overloaded, the cause of the pump motor scalding may be that the fluid viscosity is too high (that is, higher than the viscosity value set when selecting and designing the pump). Obviously, the higher the operating pressure, the greater the power required, because all rotary pumps produce the same flow rate per revolution of the shaft (i.e. at a given pump speed, the power consumption is directly related to the differential pressure). The mismatched fluid may cause rubber swelling, increase the interference fit between stator and rotor, and increase the torque and power consumption.

In the transmission process, when the transmission distance is very long and the pipeline friction loss is large, the screw pump must do extra work to overcome the high pressure difference.

More stages are required because the design differential pressure for each stage is 75 psi (lower if the abrasive content is high). Too long screw pump will lead to processing problems. However, even if the processing problem is not considered, a very long rotor will become soft and prone to sagging in the middle, resulting in excessive interference with the rubber bushing, resulting in overheating and failure (falling off). Sometimes several pumps may be used. One pump pumps the fluid to an open storage container in the middle, and the next pump starts pumping from here. This will ensure that the inlet pressure of all pumps is the same and will not increase. The solution of screw pump is to increase the motor speed and reduce the motor power.

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How to select the type of pneumatic diaphragm pump

First of all, the plate filter press is driven by the flow of the pump. The flow is one of the important data for selecting the pump. The selection of the pump should be based on the processing capacity and processing period of the equipment. Secondly, according to the volume of the filter chamber of the plate and frame filter press, the moisture content of the sludge after dewatering, and the sludge concentration before entering the plate and frame, the amount of sludge required for each dewatering operation of the plate and frame is converted. Then, determine a reasonable mud feeding time, such as 2-3 hours. Calculate the flow rate.

Third, pneumatic diaphragm pump material: if it is common biological sludge, ordinary cast iron or aluminum alloy material is selected, which is more economical. Other special sludge, according to the specific sludge composition, choose pneumatic diaphragm pump material, such as engineering plastic, stainless steel 304 or 316L, fully lined fluoroplastic diaphragm pump.

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