Centrifugal

1 , the working principle of centrifugal
Before starting the pump , the first pump and inlet pipe filled with water , the pump

operation , under the centrifugal force generated in the high-speed rotation of the

impeller , the impeller hang around with water left behind , pressed into the volute,

impeller inlet to form a vacuum , pool of water under ambient atmospheric pressure along

the suction pipe is sucked complements this space . Then inhale water has been thrown by

the volute and impeller into the outlet .Thus, if the constant rotation of www.dongfeng-motor.com
the centrifugal pump impeller can be continuous absorbent, water pressure , water pouring

from the lower can ascend to a height or distance. In summary , due to the centrifugal

action of the impeller rotating at high speed centrifugal force generated , the higher

ground water extraction , so called centrifugal pump.

2, the general characteristics of centrifugal pumps
( 1 ) along the direction of the power electric motorswater flowing through the centrifugal pump impeller in the axial direction of the suction , the outflow perpendicular to the axial direction , i.e. the

direction of flow out into each other 90 °.

( 2 ) Since the centrifugal pump is formed by the vacuum suction inlet of the impeller ,

and therefore must before starting the pump and the Motor vehicle filling

water in the suction pipe or suction with a vacuum pump to discharge the air to form a

vacuum , and the pump casing and suction line must be tightly sealed , not leak , otherwise

do not form a vacuum , there is no water to absorb .

( 3 ) Since the impeller inlet is impossible to form 24 volt ac motor an absolute vacuum , so the centrifugal pump suction height must not exceed 10 meters, plus the losses along the way water flows through

the suction piping to bring the actual height allows installation (pump suction height from

the axis of the water ) is much smaller than 10 m . If the installation is too high , do

not absorb water ; addition, due to the mountainous plains ac electric

motorlower than the atmospheric pressure , so the same pump in the mountains,

especially in the high mountains installation , the installation height should be reduced,

otherwise it can not be sucked in Sheung Shui .