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1. Since the pneumatic diaphragm pump is powered by air, the flow rate is automatically adjusted with the change of back pressure (outlet resistance), which is suitable for medium and high viscosity fluids. The working point of the centrifugal pump is set based on water, if it is used for a slightly higher viscosity fluid, it needs to be equipped with a reducer or frequency conversion governor, and the cost is greatly increased, and the same is true for gear pumps. 2. Pneumatic pumps are reliable and low cost in flammable and explosive environments, such as the transportation of fuel, gunpowder and explosives
Clause. 1. It is impossible to produce sparks after grounding; Clause.
2. There is no heat generation in the work, and the machine will not overheat; Clause.
3. The fluid will not overheat because the diaphragm pump stirs the fluid very little. 3. In the harsh places of the construction site, such as the construction site, the wastewater discharge of industrial and mining facilities, due to the many impurities in the sewage and the complex composition, the pipeline is easy
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Chemical industry: acids, alkalis, solvents, suspended solids, dispersion systems.
Petrochemical industry: heavy oil, grease, slurry, sludge, etc.
Coatings: resins, solvents, colorants, paints, etc.
Daily chemical industry: detergents, shampoos, lotions, emulsions, hand creams, surface activators.
Ceramics: mud, porcelain, lime, clay pulp.
Mining: coal slurry, magma, mud, mortar, lubricating oil, etc.
Water treatment: lime slurry, soft sediment, sewage, chemicals, wastewater.
Food industry: liquid semi-solids, chocolate, brine, vinegar, syrup, vegetable oil, soybean oil, honey.
Beverage industry: yeast, syrups, concentrates, gas-liquid mixtures, wine, fruit juices, corn syrup, etc.
Pharmaceutical industry: solvents, acids, alkalis, plant extracts, ointments and other pharmaceutical liquids.
Paper industry: binders, resins, paints, inks, pigments, hydrogen peroxide, etc.
Electronics: solvents, electroplating solutions, cleaning solutions, nitric acid, waste acids, corrosive acids, polishing liquids.
Textile industry: dye chemicals, resins, glues, etc.
Construction industry: cement slurry, ceramic tile binder, rock slurry, ceiling topcoat, etc.
Automotive: polishing emulsions, oils, coolants, automotive primers, oil latex, varnishes, varnish additives, degreasers, paints, etc.
Furniture: binders, varnishes, dispersions, solvents, colorants, white wood glue, epoxy resins, starch binders.
Metallurgy, foundry and dyeing industry: metal paste, hydroxide and carbide slurry, dust washing slurry, etc.
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The selection of engineering plastic air-operated diaphragm pump needs to consider the following aspects:
1.Flow rate: Calculate the flow rate of the required pump based on the flow requirements of the liquid to be processed.
2.Head: According to the discharge height of the work site, calculate the head of the required pump.
3.Operation status: It mainly refers to the use of ambient temperature, liquid viscosity and other factors such as fuel difference, and the selection of a suitable pump.
4.Pump body material: The pump body of engineering plastic pneumatic diaphragm pump is generally made of PP, PVDF, POM, PTFE and other materials. The choice of aged material should be based on the chemical properties and temperature of the liquid to be processed.
5.Size: Choose the right size of the pump according to the size of the site space and installation conditions.
6.Use requirements: such as explosion-proof, anti-corrosion and other special use requirements, you need to choose a model that meets the specifications.
To sum up, choosing the right engineering plastic air-operated diaphragm pump model needs to consider a number of factors, and it is recommended that you consult a professional leather pump factory or pumping station according to the requirements of specific use scenarios to ensure that the selection is correct.
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Pneumatic diaphragm pump is a new type of conveying machinery, which is the most novel type of pump in China. Compressed air is used as the power source, and it can be used for all kinds of corrosive liquids.
The air-operated diaphragm pump is available in four materials: engineering plastic, aluminum alloy, stainless steel, and cast iron. The air-operated diaphragm pump adopts nitrile rubber, neoprene, fluorine rubber, PTFE, polytetrahexaeethylene, etc. according to different liquid media to meet the needs of different users.
It is placed in various special occasions and used to pump various media that cannot be pumped by conventional pumps, and satisfactory results have been achieved.
1. Because gas is used as power, the flow rate is actively adjusted with the change of back pressure (outlet resistance), which is suitable for medium and high viscosity fluids. The working point of the centrifugal pump is set based on water, and if it is used for a slightly higher viscosity fluid, it must be equipped with a reducer or a frequency conversion governor, and the cost is greatly increased, and the same is true for gear pumps.
2. Pneumatic pumps are reliable and low cost in flammable and explosive environments, such as the transportation of fuel, gunpowder and explosives.
1. It is impossible to produce sparks after grounding; Clause.
2. There is no heat generation in the work, and the machine will not overheat; Clause.
3. The fluid will not overheat, because the pneumatic diaphragm pump has minimal agitation of the fluid.
3. In the construction site, such as the construction site, industrial and mining wastewater discharge, due to the impurities in the sewage and the complex composition, the pipeline is easy to infarct, so that the electric pump will form an overload environment, and the motor is vulnerable to heat and loss. The air-operated diaphragm pump can pass through particles and the flow rate is adjustable, and it actively stops when the pipe is infarcted.
4. In addition, the pneumatic diaphragm pump is small in size and easy to move, does not need a foundation, occupies a small area, and is simple and economical to place. It can be used as a mobile material transfer pump.
5. In the handling of hazardous and corrosive materials, the diaphragm pump can completely isolate the materials from the outside world.
6. Or in some experiments, it is guaranteed that there are no impurities to pollute the raw materials.
7. It can be used to transport fluids with relatively unstable chemical properties, such as photosensitive materials, flocculants, etc. This is because the diaphragm pump has a low shear force and has little physical impact on the material.
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An air-operated diaphragm pump is a type of pump that uses air pressure to drive diaphragm vibration to achieve suction and discharge of media. It is composed of parts such as air motor, pneumatic control valve, diaphragm and inlet and outlet. When the pneumatic control valve is opened, the air motor generates air pressure to vibrate the diaphragm, so as to achieve inhalation of the medium; When the pneumatic control valve is closed, the diaphragm returns to its original state and the medium is discharged.
Pneumatic diaphragm pumps have the advantages of self-priming ability, corrosion resistance, wear resistance, no leakage, etc., and are widely used in chemical, pharmaceutical, food, papermaking and other industries.
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Pneumatic diaphragm pump: Pneumatic diaphragm pump is a new type of conveying machinery, which is the most novel type of pump in China. Using compressed air as the power source, it can be used to absorb all kinds of corrosive liquids, liquids with particles, and high-viscosity, volatile, flammable and highly toxic liquids.
The air-operated diaphragm pump is available in four materials: plastic, aluminum alloy, cast iron and stainless steel. The diaphragm pump is made of nitrile rubber, neoprene, fluoroelastomer, PTFE and PTFE according to different liquid media.
to meet the needs of different users. It is placed in various special occasions and used to pump a kind of medium that cannot be pumped by conventional pumps, and satisfactory results have been obtained.
Due to the above characteristics of air-operated diaphragm pumps, air-operated diaphragm pumps are gradually invading the market of other pumps in the world since their birth and occupy a part of them. For example, diaphragm pumps in the painting and ceramic industries have occupied an absolute dominant position, while in some other industries, such as environmental protection, wastewater treatment, construction, sewage discharge, and fine chemicals, it is expanding its market share, and has an irreplaceable position for other pumps.
Rongpeng Pneumatic has been focusing on the production of diaphragm pumps for 26 years, and the quality and after-sales are guaranteed.
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The diaphragm pump uses a membrane to separate the liquid from the column and the cylinder, so as to protect the column and the cylinder. The part on the left side of the diaphragm that comes into contact with the liquid is made of corrosion-resistant materials or coated with a layer of corrosion-resistant substances; The right side of the diaphragm is filled with water or oil.
There are five commonly used materials for air-operated diaphragm pumps: plastic, aluminum alloy, cast iron, stainless steel, and Teflon. Electric diaphragm pumps are available in four of these materials:
Plastic, aluminum alloy, cast iron, stainless steel. The diaphragm pump diaphragm is placed on various special occasions according to different liquid media, such as nitrile rubber, neoprene, fluoroelastomer, PTFE, polytetrahexaeethylene, etc., to pump various media to meet the needs.
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The air-operated diaphragm pump is a centrifugal pump that works on the pneumatic principle. It has the following features:
Good self-priming performance: The pneumatic diaphragm pump can start to suck the medium in a dry state, and can discharge it by itself even if the inhaled liquid contains impurities such as gas, sediment, and solid particles.
Leak-free: The air-operated diaphragm pump uses two diaphragms to separate the liquid and compressed air, so there is no leakage and the medium is not contaminated.
Suitable for all kinds of media: The air-operated diaphragm pump can convey all kinds of chemically corrosive media, high-viscosity liquids, particle-containing media, volatile and flammable liquids, etc.
Low energy consumption: The air-operated diaphragm pump only needs compressed air when working, and does not need additional energy such as electricity or fuel, which has low energy consumption and is environmentally friendly and energy-saving.
Easy maintenance: The air-operated diaphragm pump has a simple structure and easy maintenance, and can quickly replace the diaphragm and liquid contact parts, with low maintenance costs.
High reliability: The air-operated diaphragm pump has no mechanical seals and bearings, which has a long service life and high operational reliability.
In general, the air-operated diaphragm pump has the advantages of wide range of use, simple maintenance, low energy consumption, environmental protection and energy saving, etc., and is a relatively practical pump product.
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Choosing the right diaphragm pump is an important part of ensuring the proper functioning of your system. Here are the general steps and considerations for choosing a diaphragm pump:
Determine traffic demand: Determine the amount of traffic you need based on your application needs. Flow is the amount of liquid that needs to be conveyed per hour, which helps determine the size and capacity of the diaphragm pump chosen.
Determine the head requirements: The head is the height at which the liquid is lifted, which needs to be determined according to the height difference of the conveyed liquid or the conveying destination. Make sure that the diaphragm pump selected is capable of providing the required head.
Determine the working medium: Understand the properties of the liquid to be conveyed, including temperature, viscosity, corrosiveness, etc. According to the nature of the liquid, the appropriate diaphragm material and sealing method are selected to ensure the corrosion resistance and service life of the pump.
Consideration of environmental conditions: Take into account environmental factors such as temperature, humidity, gas corrosion, etc. Choose a diaphragm pump that is suitable for environmental conditions and ensure that it is operating properly.
Choose the right material: Choose the right pump material according to the characteristics of the liquid, such as stainless steel, polypropylene, PTFE, etc. Make sure the pump material is resistant to the corrosion and abrasion of the liquid.
Consider energy-saving performance: Choose a diaphragm pump with energy-saving characteristics to reduce energy consumption and operating costs.
Consider ease of maintenance and repair: Choose a diaphragm pump that is easy to maintain and repair to reduce downtime and maintenance costs.
Consider ** and brand: Choose a brand with a good reputation according to your budget and needs, and take into account **, performance and after-sales service.
To sum up, choosing the right diaphragm pump needs to comprehensively consider factors such as flow, head, working medium, environmental conditions, material, energy-saving performance, maintenance convenience, and brand quality. It is recommended to consult a professional pump dealer or engineer for more detailed advice and to select the most suitable diaphragm pump.
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The following factors need to be considered when purchasing an air-operated diaphragm pump:
Conveying medium: Pneumatic diaphragm pump is suitable for conveying all kinds of corrosive, highly viscous liquids containing solid particles or fibrous substances. Depending on the characteristics of the medium, it is necessary to select the appropriate material and structure of the pump.
Flow and head: According to the process requirements, it is necessary to select a pneumatic diaphragm pump with suitable flow rate and head. The selection of flow rate and head should comprehensively consider the flow characteristics of the medium, the conveying distance and the conveying height.
Pump material: According to the nature of the conveying medium, select the material of the pump. Generally, the main materials of air-operated diaphragm pumps include cast iron, stainless steel, aluminum alloy, plastic, etc.
Durability and Maintenance: It is necessary to choose a reliable and durable air-operated diaphragm pump, while paying attention to the design structure that is easy to maintain, clean and replace parts.
Safety and environmental protection: It is necessary to choose an air-operated diaphragm pump that meets safety standards and environmental protection requirements to avoid leakage and environmental pollution.
Cost and quotient: Comprehensively consider the first-class and most reliable business reputation of the pneumatic diaphragm pump, and make a choice after all-weather service.
In short, the purchase of air-operated diaphragm pump needs to comprehensively consider the conveying medium, flow rate and head, material, durability and maintenance, safety and environmental protection, cost and quotient and other factors, and make a choice according to actual needs.
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1) The air-operated diaphragm pump is powered by compressed air, and proper lubrication can make the operation of the pump more stable and prolong the service life of the pump.
2) Ensure the cleanliness of the compressed air, unclean gas is easy to wear the valve, it is recommended to install pneumatic triplets!
3) Turn on and off the machine slowly to reduce the impact on the pipeline and diaphragm, and check whether the pipeline connection is loose before starting.
4) Choose a large manufacturer, rest assured and reliable, such as Shanghai Shenquan.
5) When transporting dangerous liquids, please connect the exhaust of the pump to a safe place to avoid danger when the diaphragm is damaged.
6) Please clean the liquid in time after conveying the liquid that is easy to dry to avoid damaging the diaphragm or failing to start the next start.
7) When the pipeline is long, the pipeline should be fixed, and the pump should not be used to bear the weight and vibration of the pipeline.
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1. Since the pneumatic diaphragm pump is powered by air, the flow rate is automatically adjusted with the change of back pressure (outlet resistance), which is suitable for medium and high viscosity fluids. The working point of the centrifugal pump is set based on water, if it is used for a slightly higher viscosity fluid, it needs to be equipped with a reducer or frequency conversion governor, and the cost is greatly increased, and the same is true for gear pumps. 2. Pneumatic pumps are reliable and low cost in flammable and explosive environments, such as the transportation of fuel, gunpowder and explosives >>>More