2,circulating pump-the water cycle to take advantage of the pump.Device delivery reaction,absorption,separation,absorption liquid regeneration circulating fluid pump.Commonly used single-stage centrifugal pump.Circulating pump flow medium size,stable operating conditions,the pump flow changes smaller.Its low lift,just to overcome the pressure drop of the circulatory system.Can use low-lift pump.
3,circulating pump is the role of the pump,the centrifugal pump is the pump structure,the two are completely two concepts.
