By Alan | 04 November 2018 | 0 Comments

Piston pump by Langfang Huilu Filtration And Equipment

The piston pump is also called the electric reciprocating pump, which is divided into single cylinder and multiple cylinders from the structure.Suitable for conveying oil emulsion at room temperature without solid particles.Used in oil field and coal seam water injection, oil injection and oil production;Hydrodynamic pump of hydraulic press, hydraulic sand cleaning, ammonia liquid transport in chemical fertilizer plant, etc.If the flow components are stainless steel, corrosive liquid can be transported.In addition, high temperature tar, slurry, high viscosity liquid and so on can be transported according to different structural materials.
The principle of structure
Piston pump by the reciprocating movement of the piston, so that the working volume of pump chamber periodic changes, the realization of the intake and discharge of liquid.It is composed of pump cylinder, piston, inlet and outlet water valve, inlet and outlet water pipe, connecting rod and transmission device.The piston is driven by power to reciprocate in the pump cylinder.When the piston moves upward, the inlet valve opens and the water enters the pump cylinder. At the same time, the water valve on the piston closes.When the piston moves down, the inlet valve is closed and the valve on the piston is opened. At the same time, the water from the lower chamber of the pump cylinder is pressed into the upper chamber and lifted into the outlet pipe. In this way, the water is repeatedly fed and lifted so that the water is constantly discharged from the outlet pipe.The piston pump is divided into single and double acting types.Single, double, multi-cylinder;Lying, upright and inclined;Motor, manual, pedal, animal power type.The flow rate of the piston pump is 0.71~ 6000m 3/ h, and the discharge pressure P2 is no more than 39.2 mpa. In most cases, P2 is no more than 24.5 mpa.
The flow rate of the piston pump is determined by the diameter of the pump cylinder, the stroke of the piston and the number of reciprocations per minute of the piston.The head depends on the pipeline characteristics of the device. The flow rate of the same piston pump remains unchanged, while the head can change with the pipeline characteristics of the device.That is, the head is increased, while the flow rate remains unchanged, only in the high pressure area, the flow rate is slightly reduced.
Characteristics of the application
The piston pump is suitable for high pressure and low flow situations, especially when the flow is less than 3/ h of 100 meters and the discharge pressure is greater than 9.8 mpa, showing its high efficiency and good operation performance.It has good absorbability and can suck the liquid of different medium and different viscosity.Therefore, it is widely used in petrochemical industry, machinery manufacturing industry, paper making, food processing and pharmaceutical production.Low medium speed piston pump speed, can be operated by human and animal, suitable for rural water supply and small-scale irrigation.

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