KINGBULL 250 psi mini air compressor For Sale

KINGBULL 250 psi mini air compressor For Sale

Working principle of oil-free screw 250 psi mini air compressor There is no direct contact between the rotors of oil-free 250 psi mini air compressor, and there will be a certain gap between the t...

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Working principle of oil-free screw 250 psi mini air compressor

There is no direct contact between the rotors of oil-free 250 psi mini air compressor, and there will be a certain gap between the two. The outer rotor drives the inner rotor to rotate through the synchronous gear, ensuring the gap of the rotor when transmitting power. Therefore, the so-called “oil-free” actually means that the air does not contact the oil at all during the compression process. But compressor bearings and synchronizing gears still need lubricating oil, but only between these lubricating parts and the compression chamber.

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oil-free screw 250 psi mini air compressor

The 250 psi mini oil-injected screw air compressor with effective sealing and isolation is used to inject a large amount of lubricating oil into the compressed air medium for lubrication, sealing, cooling and noise reduction. Oil-filled screw air compressors have no synchronization gear. The anode rotor directly drives the rotation of the cathode rotor. In addition to lowering the exhaust temperature, lubricating oil also provides lubrication for bearings, mechanical seals, slide valves, etc.

Application of oil-free screw 1.7Mpa mini air compressor

Because the rotors of oil-free screw air compressors do not contact each other, the medium air and the lubricating oil are separated by the shaft seal, so they will not be in direct contact. 1.7Mpa mini oil-free screw air compressors have been widely used in exhaust air recovery. Coke oven air recovery, coal bed methane pressurization, pressure swing adsorption and other media contain dust and liquid, and the air composition changes greatly. The oil-free screw air compressor can meet the long-term continuous operation requirements of industrial production, and the continuous uninterrupted operation time is 24,000 hours. The volumetric efficiency of oil-free screw air compressors is lower than that of oil-filled screw air compressors. Generally, the single-stage pressure ratio does not exceed 10.

Application of oil-free screw 250 psi mini air compressor

The lubrication system of the oil-free 250 psi mini air compressor is a separate oil supply circulation unit. The compression chamber and the bearing are tightly separated by a high-performance mechanical seal assembly. Enter the compression chamber. The compression chamber contains pure air. After a little post-treatment to remove water and dust, 100% pure compressed air can be obtained.

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