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How Hydraulic System of Filter Press Work

Nov 13,2021

How Hydraulic System of Filter Press Work

The composition of hydraulic compaction organization consists of hydraulic station, cylinder, piston, piston rod and hydraulic station. The hydraulic station consists of motor, oil pump, overflow valve (adjusting pressure) reversing valve, pressure force gauge, oil circuit, fuel tank.

 

During hydraulic pressing, hydraulic station offers high pressure oil, hydraulic cylinders will be full of hydraulic oil. When the pressing pressure is bigger than the frictional resistance, active plate will slowly pressing filter plates, when pressing pressure reaches the value of safety valve, filter plates will be pressed tightly, safety valve will release the pressure, at this time, when the hydraulic compaction machinery is compacting, the hydraulic station supplies high-pressure oil, and the oil cylinder and the piston constitute.

 

The component cavity is filled with oil, when the pressure is greater than the friction resistance of the compression plate. When the pressure plate slowly compresses the filter plate, the pressure reaches the setting value of the overflow valve, the power is blocked, the pressing action is completed.

 

When filter plate returning, the reversing valve changes direction and the pressure oil enters. There is a rod cavity into the oil cylinder. When the oil pressure can overcome the friction resistance of the pressure plate, the tight plate began to retreat.

 

When the hydraulic compression is automatic pressure maintaining, the compression force is connected by the electric point pressure gauge control, set the upper limit pointer and lower limit pointer of the pressure gauge. At the value required by the process, when the pressing force reaches the upper limit of the pressure gauge, the power supply blocking, the oil pump stops power supply, due to the internal leakage and external leakage caused by the oil system when the pressure drops to the lower limit pointer of the pressure gauge, the power supply is connected.

 

The oil pump starts to supply oil. When the filter press machine pressure reaches the upper limit, the power supply is blocked and the oil pump stops the oil supply, to ensure the pressing pressure in the process of circulating during plate press filter filtration.

Hydraulic Filter Press

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