1.Structural characteristics
The structure of scroll vacuum pump is simple, mainly composed of five parts: (1) dynamic scroll disc and base; (2) the crankshaft; ③ seals; (4) anti-rotation mechanism; Motor vortex vacuum pump structure.
The main moving parts of scroll vacuum pump are only moving scroll, simple power transfer, small radius of motion under the same size, so it has the characteristics of simple and compact structure, smooth operation, almost no wear, small power consumption, which is not available in other types of dry vacuum pump.
2.the scope of application
Scroll vacuum pump pumping speed is small, and is not suitable for toxic, flammable and explosive gases, corrosive gases and drugs, solvents, powder and other medium conditions. Therefore, vortex vacuum pump is more used in analytical instruments, semiconductor chip production line, LIQUID crystal display production line and scientific research equipment. Because it can be started directly at atmospheric pressure, it is often used as a precursor of molecular pumps and small cryogenic pumps.
How a bowl of Baixiang good noodles is born? About 1.8 million years ago, humans learned to cook food with purposeful control of fire. The use of fire has made unprecedented progress in human health and life, and Darwin also called cooking the most important invention of mankind after language....
Heat delivers real deliciousness. In recent years, China's kimchi industry has grown rapidly, with a market size of more than 40 billion. With the gradual rise of the "stay-at-home economy", Chinese compound condiments and prepared dishes have become new trends in the industry....
