The centrifugal pump is designed according to the principle of centrifugal force. The impeller blades rotating at high speed drive the water to rotate, and the water is pumped out to achieve the purpose of transportation. There are many kinds of centrifugal pumps, which can be divided into civilian and industrial pumps from the use; from the transport medium can be divided into clean water pumps, impurity pumps, corrosion-resistant pumps.
The structure and working principle of the reciprocating pump Main components: pump cylinder, piston, piston rod and suction valve, discharge valve working principle: when the piston moves from left to right, a negative pressure is formed in the pump cylinder, and the liquid in the storage tank passes through the suction valve. Enter the pump cylinder. When the piston moves from right to left, the liquid in the cylinder is squeezed, the pressure is increased, and it is discharged by the discharge valve. The piston reciprocates once, each inhaling and discharging a liquid, called a working cycle; this pump is called a single-action pump. If the piston is reciprocated once, each of the liquid is sucked in and discharged twice, which is called a double action pump.
Reciprocating pump flow and head The flow of the reciprocating pump is independent of the head and is related to the cylinder size, piston stroke and number of reciprocations.
