Feed production line is the most commonly used production equipment in feed industry. With the coming of mechanization era, in order to improve the production level of feed production line equipment, to meet the needs of social development, the equipment adopts the vacuum principle to improve the...

What is vacuum negative pressure system Vacuum negative pressure unit is necessary equipment for lost foam casting technology. The technical personnel of the EVP vacuum manufacturer combined with domestic and foreign related technologies and actual production experience and characteristics, a new...

Dry varying pitch screw vacuum pump structure and performance varying pitch screw vacuum pump, is the use of a pair of varying pitch screw, in the pump shell for synchronous high-speed reverse rotation and the suction and exhaust effect of the pumping equipment, the two screw by fine dynamic bala...

What is vacuum refining Vacuum refining is a fire refining method to remove impurities from crude metals under or far below atmospheric pressure. Under certain conditions, this method can also recover valuable elements from crude metals. Vacuum refining can not only prevent the reaction of metal ...

What is the demand for liquid ring vacuum pump manufacturers in China Vacuum pumps are widely used around us, and many industries love them. There are many types of vacuum pumps, such as liquid ring pumps, slide valve pumps, direct rotary vane pumps, roots pumps, and so on. The liquid ring vacuum...

What is the working principle of liquid ring vacuum pump? Why must the pump body be inside. What is the principle of the liquid ring vacuum pump? Why the pump body must add a suitable amount of water? To say the vacuum pump thing principle, in the pump body to take a suitable amount of water is a...

Although the filter has been widely used in solid-liquid separation of mining, metallurgy, chemical industry, papermaking, pharmaceutical, coal, food, environmental protection and other industries for its advantages of high vacuum degree, low vacuum loss, significant energy saving, high capacity,...

The appearance of the screw vacuum pump has broken the monopoly of foreign dry screw vacuum pump technology, making China the sixth country to master the oil-free dry screw vacuum pump technology, greatly reducing the production cost of the enterprise, and the design of environmental protection p...

Recently, many users of suction molding machine have asked us which type of vacuum pump is better for suction molding machine, which vacuum pump is more suitable for suction molding machine and so on. Our EVP vacuum pump manufacturer’s reply is to recommend the application of rotary vane va...

The freeze dryer is composed of refrigeration system, vacuum system, heating system and electrical instrument control system. The main components are drying box, condenser, refrigerating unit, vacuum pump, heating / cooling device, etc. Freeze drying, for short, is the method of freezing the wate...