Most mechanical vacuum pumps used in the vacuum industry use water, oil or other polymer fluids as the working medium of the pump. With the development of science and technology and the expansion of vacuum pump application, there are two urgent problems to be solved in the original mechanical vacuum pump and its pumping system. One is that the working medium of the pump is polluted by the backflow of the pumping vessel, which in many cases affects the quality and quantity of the product and increases the cost of equipment maintenance. . Secondly, it is difficult to recover the gas pumped into the vacuum pump during some process, and the medium in the pump is deteriorated.
Dry screw oil-free vacuum pump with its compact and simple structure, non-friction of the original pump chamber, long life, low energy consumption, no oil pollution and other advantages, more and more manufacturers favor. It has an incomparable advantage in the chemical industry, and gradually replaced the traditional mechanical vacuum pump. The easy recovery of chemical gas has greatly saved production costs and reduced the environmental pressure of enterprises.
Shanghai EVP company’s main products: dry screw vacuum pump, ZJ, ZJP Roots vacuum pump, water ring vacuum pump, large complex vacuum unit. Using patented technology to produce dry screw vacuum pump makes China become the sixth country after the United States, Japan, Germany, Britain and South Korea to develop and produce dry screw vacuum pump independently.
Dry screw vacuum pump is a high-tech product, mainly used in high-purity vacuum process, high vacuum, can adapt to harsh working conditions, with the ability to extract condensable, particulate gas, especially suitable for electronics, chemical and biomedical fields.
The screw rotor, the core part of the screw vacuum pump, is designed and solved by three-dimensional curved surface mathematical model. The model entity is processed on five-coordinate equipment. It has high precision, reliable quality and stable performance, and ensures the long-term trouble-free operation of the product.
This product is self-innovative, product quality and price are very strong market competitiveness, can replace imported products in a wide range, market demand is large, will be in the chemical industry, metallurgy, electronics, petroleum, aerospace, tools, paper, packaging, food, medicine, medical equipment, as well as information engineering, bioengineering, micro More than 100 fields, such as electronics, completely replace the vacuum equipment with low technology content.
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