Pressure casting is divided into high pressure casting and low pressure casting. What is the difference between high pressure casting and low pressure casting? With the development of die casting industry, vacuum system is used by more and more die-casting manufacturers. At present, many manufact...

In the condensing power plant, most of them will use the rotary vane vacuum pump as the extraction equipment of the condenser. This paper introduces the application of the rotary vane vacuum pump in the condensing power plant. rotary vane vacuum pump structure: Rotary vane pump is mainly composed...

How to remove gas from solution by vacuum pump? The solubility of a gas in a liquid depends on the pressure, and the lower the pressure, the lower the solubility. So by lowering the pressure you can take the gas out of the liquid. Degassing the gas in the liquid by vacuum pump is feasible in theo...

Piston vacuum pump in foundation treatment of application Piston vacuum pump, is one of the basic vacuum equipment to obtain coarse vacuum, is a kind of vacuum equipment familiar with and widely used by the vast number of enterprises, is through the reciprocating movement of the piston in the cyl...

Rotary vane vacuum pump in oxygen production with small film of practical application The invention discloses a rotary plate vacuum pump for small film oxygen production, comprising a cylinder, a piston rod and a piston, an eccentric shaft mechanism and a motor. Features of rotary plate vacuum p...

What is ketene Vinyl ketone is a kind of organic compound. It is the simplest one. Its molecular formula is CH2 = C = O. it is a poisonous gas at room temperature. It is very unstable. It can only be preserved at low temperature. When it is at 0 ℃, it can polymerize to form dimer diethylene keton...

Evaporation concentration is a common chemical operation method and wastewater treatment method. What is the function of evaporation concentration? Which vacuum pumps are suitable for evaporation concentration? I. principle of concentration Evaporation is often used to concentrate the solution to...

In the process of pulp and paper making, it is a common method to use the vacuum pumping capacity of liquid ring vacuum pump. The general technological process of papermaking is as follows: raw material – slicing – Cooking – washing – Screening – bleaching – be...

Salt is still one of the most valuable commodities, but there is a major problem in the production of salt: especially in the process of salt production, sodium chloride, together with sand and other degradation materials, quickly accumulates in the collection tank. Not only do aggressive substan...

Piston vacuum pump in electron beam melting furnace of application General electron beam melting furnace consists of electron gun chamber and melting chamber. The vacuum chamber can be vented by piston vacuum pump and diffusion pump to obtain the vacuum degree of 10-4~10-6 torr. The melting chamb...