Present situation and Prospect of dry screw vacuum pump
At present, the development of various vacuum pumps is more and more affected by vacuum applications. The general vacuum system can not meet the requirements of clean and oil-free corrosion resistance. Therefore, in recent years, the market demand for dry vacuum pumps is very large, and the vacuum products have been upgraded. A large number of oil-free vacuum systems have been replaced by oil-free and clean vacuum systems.
Almost every large vacuum company abroad produces various types of dry vacuum pumps. Screw vacuum pump is a kind of non-contact dry pump, which appeared in the early 1990s. It occupies the market with the advantages of wide pumping speed range, simple and compact structure, non friction of pumping cavity components, long service life, low energy consumption and no oil pollution. However, most of its manufacturing technology is mastered by foreign countries, and China is still in its infancy. The market has a strong demand for dry pump
At present, the development of various vacuum pumps is more and more affected by vacuum applications. The general vacuum system can not meet the requirements of clean and oil-free corrosion resistance. Therefore, in recent years, the market demand for dry vacuum pumps is very large, and the vacuum products have been upgraded. A large number of oil-free vacuum systems have been replaced by oil-free and clean vacuum systems.
Almost every large vacuum company abroad produces various types of dry vacuum pumps. Screw vacuum pump is a kind of non-contact dry pump, which appeared in the early 1990s. It occupies the market with the advantages of wide pumping speed range, simple and compact structure, non friction of pumping cavity components, long service life, low energy consumption and no oil pollution. However, most of its manufacturing technology is mastered by foreign countries, and China is still in its infancy. The market has a strong demand for dry pump
Present situation of dry vacuum pump
Due to its superior performance, dry screw vacuum pump has become the preferred vacuum equipment in microelectronics, semiconductor, pharmaceutical, precision processing and other industries in Europe, America and Japan. On the basis of screw compressor, Japan has developed the multi head rotor line of vacuum pump and put it into the market for a long time. Several German vacuum equipment companies have gradually developed equal pitch and variable pitch rotor profiles, and have done a lot of research on rotor and body cooling.
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