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Detailed description of three network skeleton of Built-In oil separator for air compressor
- Sep 28, 2018 -

There are many reasons for compressor running oil, if the quality of oil and gas separator is not good, easy to lead machine to fly oil slowly, or high direct fuel consumption, oil will run out in a day or two. The hardware structure of the oil separator also affects the product quality of the oil separator.


The core of oil-gas separator has three nets: inner net, middle net and outer net. They are all made of steel plate punching and processed by mechanical forming. Of course, there are still a lot of enterprises which have not formed a scale, but still rely on the original manual production process.


The function of the inner net is to support the lubricating oil after forming oil droplets to intercept the filter media, and the force is small when working.


The role of the middle net is: the core glass fiber material of the oil-gas separator core is flat entangled in the middle net, so the work force is the largest. Especially when the material runs for a long time, it produces internal pressure after being polluted, and the resistance increases, so the compressive capacity of the medium grid is particularly demanding.

Because many compressors are not equipped with pressure differential alarm device, high internal pressure will cause the oil-gas separator to burst, the pressure test of the oil-gas separator produced by traditional technology is generally 0.2-0.25 MPa deformation. Because the new technology has internal reinforcement, the withstand voltage test can reach 0.4-0.5MPa and the strength is more than doubled. Generally, the equipment whose internal pressure is above 0.3 MPa will overcurrent shutdown, which will not lead to the risk of oil running out after the oil-gas separator burst.



The main function of the outer net is: usually the outer net is welded on the top cover. After the oil-gas separator is bonded and formed, the lower end of the outer net flanges and holds down the bottom cover. The main purpose of the outer net is to make the oil-gas separator an integral whole. It is not easy to take off the inner protective layer. The quality of the external network can affect the performance of the oil separator.

Believe that many friends in the maintenance of air compressors, open the oil and gas separator barrel cover plate, found that oil and gas separator barrel cover plate and oil and gas separator top cover rust phenomenon, especially in the southern region of the air humidity, this phenomenon is more serious, sometimes the culprit of running oil is it - "rust".

Oil in the oil-gas separator is pumped back by the return tubing. The diameter of the return tubing is usually very small. If these rust residues are sucked into the return tubing, there will be two situations: first, the return tubing will be blocked directly, and the return tubing will lose its function; second, the inner wall of the return tubing will be blocked, and the amount of return oil will be insufficient. These two phenomena will cause the machine to run away. Especially the second phenomenon, sometimes blowing with the mouth, can also ventilate, feel that it can be used properly, but the impurities are not completely cleaned out.

Because rust residue can stay in one place for a long time, it will have adhesion. It is suggested that when you remove the tubing in the future, you will first knock the pipe down. The purpose is to vibrate the rust residue inside, and then it is best to use compressed air to blow through the return pipe, it is best not to use the mouth to blow, because the pressure is not enough. The rust residue will also jam the return oil one-way valve. While cleaning the return oil pipe, the return oil one-way valve should also be removed for inspection. There is a small arrow on the return oil one-way valve, which is blown with compressed air along the direction of the small arrow to clean out the foreign bodies. The valve is then blown in the opposite direction and replaced if the gas passes, proving that the one-way valve is stuck or broken. 


With the continuous exploration of materials and processing technology, the factory has developed a kind of corrosion-resistant material which is tens of times as good as ordinary material. Because the outer net used to be formed by cold plate welding and then cold plating. Zinc antirust. Because the surface of the new material is hot-dip galvanized directly after forming in the steel plant, the thickness of the galvanized steel sheet can reach 65-85 microns, and the thickness of the cold-dip galvanized steel sheet is only 10 microns. The quality of the two forms of comparison is self-evident. However, hot-dip galvanized sheet processing to molding, the production process requirements and high, or easy to scratch the zinc layer, and with zinc layer of sheet steel, poor electrical conductivity, can not be welded, so can only rely on equipment fine processing molding. How do we usually distinguish these two kinds of craft products? Mainly look at its appearance, the appearance of ordinary cold galvanized sheet has a blue luster. The appearance of hot-dip galvanized steel is generally matte white.