2026-04-10Views：
Shanghai granklin (group) co., ltd. is a domestic professional compressed air system manufacturer. our products include screw air compressor, permanent magnet frequency conversion air compressor, oil-free air compressor, medium pressure air compressor, two-stage compressed air compressor, water lubricated air compressor and complete sets of compressed air post-treatment equipment production, sales and service.
Granklin water-lubricated air compressors are widely used in laboratories, water treatment, biopharmaceuticals, environmental protection, printing, ships, machinery, textiles, petrochemicals, precision electronics, instrumentation, spraying, tobacco, nitrogen production, food processing, optics, Any field that requires clean compressed air, such as national defense scientific research.
Then choose the pressure of the air compressor. Of course, the size of the pipeline diameter and the number of turning points are also factors that affect the pressure loss. The larger the pipeline diameter and the fewer turning points, the smaller the pressure loss; on the contrary, the pressure loss The greater the loss.
Therefore, when the distance between the air compressor and each gas end pipeline is too far, the main pipe diameter should be appropriately enlarged. If the environmental conditions meet the installation requirements of the air compressor and the working conditions permit, it can be installed nearby at the gas end.
The second step of air compressor selection: determine the corresponding volume flow;
when selecting the air compressor, the volume flow rate of all gas-using equipment should be understood first, and the total flow rate should be multiplied by 1.2; Learn the volume flow parameters of gas-using equipment from gas-using equipment suppliers for air compressor selection; The transformation of air compressor station can refer to the original parameter values and the actual gas consumption situation for selection;
the third step of air compressor selection: determine the power supply capacity. Under the condition of constant power, when the speed changes, the volume flow and working pressure also change accordingly, the speed decreases, and the exhaust gas decreases accordingly, and so on.
Cooling effect: The temperature of the gas will increase during the compression process, and the temperature of the air compressor rotor and the casing will also increase accordingly. Therefore, during the suction process, the gas will be heated by the rotor and the casing and expand, so it will be reduced accordingly. Inhalation volume.
How to improve the traditional air compressor displacement is to improve the output coefficient, usually using the following methods:
1. When necessary, clean the cylinder and other parts.
2. The correct choice of the size of the clearance volume;
3. Adopt advanced cooling system;
4. Keep the tightness of the piston ring;
5. Reduce the resistance of gas inhalation;
6. Keep the air valve and stuffing box tight;
7. Maintain the sensitivity of the suction valve and exhaust valve;
dryer and cooler gases should be inhaled;
9. Appropriately increase the speed of the air compressor;
10. Maintain the tightness of the output pipeline, air valve, air storage tank and cooler;
selection of standard pressure parameters to match the working pressure control: that is, how much air pressure is required at work. Most air compressors for laboratory use are adjustable at 0-8BAR (about 0-8kg), which meets the air pressure requirements of experimental equipment.
Old irons who need to purchase water-lubricated air compressors may as well come to granklin group to ask for a price. the water-lubricated air compressor head produced by the factory's own brand is also the product with the highest sales volume in the field of oil-free air compressors.
There are not many brands to choose from for medical-grade air compressors. The water-lubricated air compressors produced by Shanghai Granklin Group are oil-free screw air compressors that meet medical conditions. In the medical and pharmaceutical fields, the gas compressed by the air compressor cannot contain oil and gas. The traditional oil injection screw air compressor cannot meet this requirement in any case. The traditional oil injection screw air compressor uses lubricating oil to lubricate the air compressor head from the structure of the air compressor head. It is impossible to do this step from congenital conditions, and the gas does not contain oil.
Purchase oil-free air compressor to choose the brand, we are as far as possible to choose the best brand in China, the product quality and after-sales service ability of large factories are impeccable. In the domestic procurement of oil-free air compressor can consult the "Shanghai granklin group", water lubricated oil-free air compressor is currently the mainstream oil-free air compressor in China, as a brand
View detailsWhat are the forms of oil-free air compressors? At present, oil-free air compressors are widely used. What are the forms of oil-free air compressors? First: Water-lubricated screw Water-lubricated oil-free air compressors use pure water. Therefore, their equipment is sealed during operation,
High efficiency and energy saving: because of the reuse of water, the compression process is close to the ideal isothermal compression, and the water lubricated oil-free single screw air compressor increases the output by 15% compared with the general dry oil-free compressor. The use of a pressure device, the output air constant current voltage, so that atomic absorption and other laboratory instruments in the test reproducibility.
The water-lubricated compressor produced by Shanghai Granklin Group generally uses air as the compression medium. This is because it is compressible, clear and transparent, and it is convenient to transport (non-condensing), harmless, safe, and inexhaustible. An inert gas is a gas that has no chemical effect on the environment, and a standard compressor can compress an inert gas as well.
View detailsAir compressors that can be used in medical systems need to be oil-free, and the air cannot contain any grease. In the production process of medicines and medical devices, air products containing oil and gas are unqualified.
View detailsThe water lubricated oil-free air compressor uses pure water lubrication that meets the drinking water standard, and the entire compression process is completely free of oil. Thus, 100% oil-free clean compressed air is provided. Product features: 1. High efficiency, high reliability, 100% pure oil-free
The disadvantage of water lubrication is that the requirements for lubricating water are relatively high. For example, the advantages of pharmaceutical factories to meet the standard of production water are energy saving, low follow-up maintenance cost and less consumables. Only air filter and water filter without oil, as the name implies, are air compressors that do not use oil lubrication to produce
Air compressor pressure is commonly used in kilograms or Mpa, 16kg is 1.6Mpa, this pressure is commonly used in laser cutting. The traditional piston air compressor can easily reach this pressure, and the oil screw air compressor can also reach this pressure. The water lubricated air compressor Shanghai granklin Group can reach 0.2-4Mpa.
View detailsIn the past water plant construction, we generally choose the piston screw air compressor. Piston screw air compressor has the advantages of low investment cost and large compression ratio, but at the same time, screw air compressor also has many moving parts, easy to wear and tear, and large maintenance workload. In the past water plant construction, we generally choose the piston screw air compressor. Piston screw air compressor has the advantages of low investment cost and large compression ratio, but at the same time, piston air compressor also has many moving parts, easy to wear, maintenance and repair workload is large and so on.
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