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Talking about the Classification and Matters of Smoothing Oil of Brick Machine Bearings
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In the application of lithium molybdenum oxide based smooth oil should pay attention to:
1. Molybdenum disulfide has good water resistance, good mechanical stability and pressure resistance; it is mainly used for the smoothing of heavy load machinery.
2. Molybdenum disulfide has a certain corrosive effect on copper and its alloys; it is not suitable for transportation with copper pipes; it will cause pipeline blockage and lead to lack of oil.
3. It is not suitable for the worm gear set made of copper alloy; it will cause broken teeth due to corrosion.
4. It is not suitable for the rolling bearing of copper alloy as the cage; it will cause the cage to crack due to corrosion.
5. When the parts made of copper and its alloys are in need of smoothness; the best is not to use smooth products rich in molybdenum disulfide. This is the experience of many equipments.
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Mine gas boosting is the process of boosting low-pressure gas to high-pressure gas in high pressure pipeline. When the gas pressure is lower than atmospheric pressure, or is relatively low positive pressure. You can use Zhaohan vacuum pump or Zhaohan low pressure compressor to pump gas and increase its pressure to 15-30 psi higher than atmospheric pressure.
This application is very common in coal mines. There are two kinds of gases. One is from microorganisms; the other is deposited gas in coal mines. The liquid ring vacuum pump can be used to recover the gas by drilling holes in coal mines, which depends on the inlet pressure and discharge pressure. After gas is collected by low-pressure vacuum pump, it is compressed by high-pressure compressor into pipeline for treatment, or used for combined power generation, etc.
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