2026-04-10Views:
The choice of medical air compressor is one of dry oil-free air compressor and water lubricated oil-free air compressor, which scheme will be better.
I need to talk about the advantages and disadvantages of the two schemes in order to better choose a suitable medical air compressor.
the advantages and disadvantages of dry oil free screw air compressor:
advantages: it has been put into the market for nearly half a century, and most of the imported brands have been relatively mature.
Disadvantages: As the technology has been relatively long, the congenital technical defects existing in itself cannot be changed (the structure of the whole machine is complex, the rotating speed of the main engine is as high as 9000~18000 r/min minutes, the working temperature of the main engine is as high as 200 degrees, the main engine has large leakage, large noise, low efficiency, high energy consumption, complicated operation and high maintenance cost).
the advantages and disadvantages of water lubricated oil free screw machine:
advantages: After summarizing the congenital structural design defects of the dry oil-free screw compressor, the advanced oil-free screw compressor technology developed and put into the market in the past ten years. The host and piping system are made of 304 stainless steel or copper alloy. The main engine speed is 2980 r/min minutes, the main engine working temperature is less than 50 degrees, the water sealing efficiency is high, the operation and maintenance is simple, the maintenance cost is low, and the noise is low.
Disadvantages: some water lubrication host shell using copper alloy material, corrosion resistance is poor. Although advanced water lubrication technology is also the main development direction of oil-free screw compressors, a large amount of capital has poured into this industry, resulting in a large number of low-quality immature products flowing into the market in the past two years, causing unnecessary losses to users.
In the choice of air compressor, to meet the requirements of the project as the first, easy maintenance, low failure, high cleanliness of compressed gas.
The medical industry must not have any sloppy, water lubricated air compressor in the forefront of air cleanliness, for the country's medical, chemical, food and other high gas requirements of the industry to provide oil-free air.

In the process of air compressor maintenance, one of the most common faults is the overload of the motor of the air compressor.
Water-lubricated variable frequency energy-saving air compressor, Granklin Group, from design to manufacturing, everywhere reflects our pursuit of energy saving, cleanliness and environmental protection. From water lubrication to non-corrosive host housings, from stainless steel screws to silicon carbide sliding bearings that never rust, from high-efficiency air filters to precision lubricated water filters, we ensure that all host components are oil-free.
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During the operation of the screw air compressor, the moisture in the compressed air is easy to condense in the oil and gas separator, causing equipment failure. Therefore, it is necessary to regularly discharge the condensed water in the air compressor system, especially when the weather is humid or the temperature is high, the condensed water will produce more.
The oil-free air compressor produced by Shanghai Granklin Group can compress the gas to meet the oil-free standard. Many industries with high requirements for compressed air can purchase water-lubricated air compressors: clean and dry, not allowed to contain water, oil, dust, etc. Therefore, purification of compressed air is an essential means of industrial production. Compressed air dryers and matched compressed air filters are the most effective methods for drying and filtering compressed air.
View detailsDuring the working process of the air compressor, the temperature will be too high. At the same time, when the air compressor is used for a period of time, it will be easily contaminated with dust, so it is necessary to regularly clean the air compressor and dissipate heat.
Those engaged in the installation, transformation and maintenance of pipelines such as gas storage tanks and other pressure vessel equipment must obtain the corresponding qualification license. Units engaged in installation must have installation qualifications, install in accordance with relevant safety specifications and requirements, and be responsible for the safety and quality of pressure vessels, and strictly implement national safety standards and technical standards.
High-end air compressors are basically monopolized by foreign brands, mainly: the price of the whole machine of major international brands is relatively expensive. Domestic products such as: granklin is not bad, the price of the whole machine is relatively cheap
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