Gas-Cooling Roots Pump

During decarburization processes the vacuum system must operate very long time in a tough pressure range. An efficient gas-cooling is essential as the extracted sizzling gases would or else overheat the filter and vacuum program.

With the development of technology and the improvement of item quality in aerospace, energy, iron and steel digesting, pharmaceutical and chemical industries, these industries have to obtain a certain vacuum environment. Simultaneously, the vacuum system utilized by these industries can be continuously increasing, and the vacuum degree is continuously increasing. Moreover, the state’s environmental security, energy saving and three wastes discharge to the above-described industries, etc. The requirements are more stringent. At the moment, the prevailing dry vacuum pumps available, such as screw vacuum pumps and claw vacuum pumps, are unable to meet up with the requirements of oil-totally free large pumping swiftness clean vacuum environment proposed by these industries due to the restrictions of pumping acceleration characteristics and structural system.

In view of the Gas-Cooling Roots Pump shortcomings of the prevailing technology, the specialized problem to be solved by the utility model is to provide an all-gas-cooled vacuum system to fulfill the use in a clean vacuum environment with large oil-free pumping speed.

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