The principle of the pneumatic piston pump and how it is used

Pneumatic plunger pump generally refers to air-operated slurry pump, which is a pump that uses compressed air as the driving air source to work.

Composition of plunger pump:

The electrical part is composed of an electric dynamometer and an electric control box. The power end is composed of power box, crankshaft, connecting rod, bearing, crosshead body and seal. The transmission part consists of large and small pulleys and a set of narrow belts and passports.

How a piston pump works:

Plunger pump is a kind of reciprocating pump, belongs to the volumetric pump, its plunger is driven by the eccentric rotation of the pump shaft, reciprocating movement, and its suction and discharge valves are check valves. When the plunger is pulled out, the pressure in the working chamber decreases, the outlet valve is closed, and when it is lower than the inlet pressure, the inlet valve opens and the liquid enters; When the plunger is pushed inside, the working pressure rises, the inlet valve is closed, and when it is higher than the outlet pressure, the outlet valve opens and the liquid is discharged. Axial piston pump with sliding shoe structure is currently the most widely used axial piston pump, the plunger placed in the cylinder block is in contact with the swash plate through the sliding shoe, when the drive shaft drives the cylinder block to rotate, the swash plate pulls the plunger out of the cylinder block or pushes back, completing the suction and drainage process. The oil in the working chamber composed of the plunger and the cylinder bore communicates with the suction and discharge chambers of the pump through the oil distribution plate. The variable mechanism is used to change the inclination angle of the swash plate, and the displacement of the pump can be changed by adjusting the inclination angle of the swash plate.

How to use pneumatic piston pump:

1.First put the guide pipe correctly into the barrel to be transported. 2. Connect the corrosion-resistant hose to the feeding point. 3. The intake valve is closed, and then connect the air source pipe to the intake valve joint, open the intake valve according to the required slurry flow to adjust the operating frequency of the pneumatic slurry pump, and it can work.

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Post time: Dec-15-2022