Water ring pumps have the following advantages over other types of mechanical vacuum pumps Water ring pump advantages (1) simple structure, manufacturing precision is not demanding, easy processing. This article Keywords: water ring pump Refrigeration equipment is mainly used for food refrigeration, all kinds of cargo refrigeration and summer air conditioning. According to the working principle, it can be divided into compression refrigeration equipment, absorption refrigeration equipment, steam jet refrigeration equipment, heat pump refrigeration equipment and electric heating refrigeration equipment. Refrigeration Equipment,Stainless Steel Mini Fridge,Mini Fridge,Supermarket Refrigerator Equipment ShanDong XiMaiD Commercial electrical appliance Co. LTD , https://www.shandongximaide.com
Water ring pump advantages (2) compact structure, higher pump speed, the general direct connection with the motor, without deceleration device. Therefore, with a small structure size, you can get a large displacement, covers an area is small.
Water ring pump advantages (3) The compressed gas is basically isothermal, that is, small changes in the temperature of the compressed gas process.
Water ring pump advantages (4) As there is no metal friction within the pump cavity surface, no lubrication of the pump, and wear small. The seal between the rotor and the retainer can be made directly from the water seal.
Water ring pump advantages (5) uniform suction, stable and reliable, easy to operate, easy maintenance. Water ring pump shortcomings (1) low efficiency, generally about 30%, preferably up to 50%.
Water ring pump shortcomings (2) low degree of vacuum, not only because of the structural constraints, more importantly, the working fluid saturated vapor pressure limit. Water for the working fluid, the ultimate pressure can only reach 2000 ~ 4000Pa. Oil for the working fluid, up to 130Pa.
In short, due to the water ring pump gas compression isothermal, it can be extracted flammable and explosive gases. Because there is no exhaust valve and friction surface, it can be extracted with dust gas, condensable gas and water-air mixture. With these outstanding features, despite their inefficiencies, they are still widely used.