This paper summarizes the scroll oil-free vacuum pump Technology Development and status, which includes the development of technology from the scroll to scroll the application of technology in all sectors; from the scroll oil-free scroll vacuum pump to the principle of oil-free vacuum pump manufacturing technology and technical indicators; from the vortex around the world the development of vacuum pump scroll vacuum pump to the current development of China, oil-free vacuum pump on the status of the vortex has a systematic introduction.
1, Introduction The concept of very long scroll, early 20th century, the world already have patented vortex technology. But then the technical limitations, the vortex organization to produce not come out, the concept of the vortex also been forgotten. Vortex organization in 1973, was re-instituted and built the first model agencies, so that the practical application of this technology possible. Scroll institutions and high reliability, smooth running, low noise, energy saving potential and the great advantages of the refrigerator immediately attracted attention and urgent needs of the industry, greatly favored by industry leaders, was quickly put into industrial application. Trance, Hitachi, Copland's famous scroll compressor technology and product leader of the world bow scroll wave of technology for practical, driven, such as refrigerators, air conditioners and many other sectors of technological progress and product upgrading.
Today by the initial vortex technology has applications in the compressor to pump manufacturing industry to promote and achieve a no oil, runs smoother and quieter, more energy-efficient scroll vacuum cleaner access to technology in practical use. It applied the concept and principles of creating the vortex on the vacuum application equipment and the environment is not polluted, and pumping speed, life, energy consumption and other indicators are better than ordinary single-stage oil pump, dual-stage oil-free scroll vacuum products.
The early 90s of last century, the world's first to market scroll vacuum pump, vortex technology thus began a new vacuum as access to technology have been used widely in the world. So far, the world's scroll vacuum pump manufacturer concentrated in the United States, Japan and Europe to Japan Anest1wata, the United States, Varian, Germany, represented by Bush and so on. Products include self 0.25L/S-1OL/S products, some of 15L / S or greater amount of exhaust products are also testing stage.
2, oil-free scroll vacuum pump (0-Ifreescrollvacuumpump) features and applications
Clean vacuum environment has been a scientist and business ideals vacuum. Since the start to create the vacuum environment, people try to use different means to achieve clean vacuum effect. Today, the vacuum cleaning equipment has been developed to obtain condensate pump, pump column game, claw-type pumps, scroll pumps and diaphragm pumps and other products. The existing oil-free vacuum pump which, oil-free scroll vacuum pump and other types of non-oil vacuum pump compared to the smooth running, low noise, energy saving, light weight, small size and characteristics and has been widely applied to the following research and production areas: the semiconductor industry?? film preparation equipment, semiconductor device packaging equipment; vacuum metallurgy industry?? vacuum furnace, nanometer material preparation equipment, vacuum testing equipment; scientific equipment?? synchrotron radiation beam line, E Microscope Analysis Tester Devices; medical equipment?? Dental equipment, dialysis machines; biological products industry?? Material purification, drug preparation; packaging industry?? Food, medicines, biological products and other packaging equipment.
3, oil-free scroll vacuum pump working principle, technical indicators and compared with the normal pump
Scroll oil-free scroll vacuum pump is a side dish with a flat phase of one or involute spiral into a vortex-type discoid structure. A static and an orbiter orbiter orbiter composed of a pair of paying constitute the basic scroll oil-free vacuum pumping body. For example, in two-stage oil-free scroll vacuum pump, there are two directions corresponding to the fixed scroll plate, a plate located between the two vortices rotating vortex plate. Static and dynamic vortex plate relative motion of the changing volume of crescent formation of the vacuum chamber so that gas from the exhaust inhalation, exhaust emissions, exhaust cycle to complete. I am an expert from China Manufacturers, usually analyzes all kind of industries situation, such as electronic games hand held , light through a prism.
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