The dedicated pump for high-pressure plunger filter press is a type of pump equipment used in conjunction with high-pressure plunger filter press. It is mainly used to transport materials with high solid content, high abrasiveness, and corrosiveness, in order to achieve feeding and pressure filtration operations of the filter press. Here is a detailed introduction about it:

　　Working principle: A plunger pump is a type of reciprocating pump and belongs to the category of volumetric pumps. It relies on the reciprocating motion of the plunger in the cylinder body to change the volume of the sealed working chamber to achieve oil suction and pressure. When the plunger is pulled out, the pressure inside the working chamber decreases and the outlet valve closes. When the pressure is lower than the inlet pressure, the inlet valve opens and liquid enters; When the plunger is pushed inward, the working chamber pressure increases, the inlet valve closes, and when it is higher than the outlet pressure, the outlet valve opens and the liquid is discharged.

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　　Wear resistance: Some plunger pumps are made of alumina ceramic fired and finely ground, with high hardness and low surface roughness. The plunger and the conveyed material have no shear motion, making it suitable for conveying materials containing sand and solid particles.

　　Strong self-priming ability: usually using plunger vacuum pumping method, the self-priming ability can reach 4-8 meters, and the specific suction range is determined by the specific gravity of the material.

　　Adjustable constant pressure automatic variable: The working pressure can be adjusted arbitrarily within a certain range, and the adjusted pressure will not change due to changes in the output flow rate of the pump. Even if the outlet of the running pump is closed, the pressure will not change.

　　High pressure and efficiency: The maximum pressure of ordinary models can reach 20 kilograms. When the pressure is ≥ 5 kilograms and the flow rate is the same, the motor power of the plunger mud pump is 1 to 2 smaller than other types of pumps, resulting in high energy efficiency.

　　Easy to operate: Pressure adjustment only requires tightening or loosening the pressure regulating valve. After adjusting the pressure, lock it and there is no need to adjust it again in the future.

　　Low cost of use: The vulnerable parts of the pump are valve plates and plunger seals, with a long replacement cycle, such as ceramic mud every 3-6 months and municipal sludge every 6-12 months.

　　Technical parameters: Taking the YBH200-19 sludge filter press dedicated plunger pump of Huaxing Pump Industry as an example, its flow rate is 19m ³/h, rated pressure is 1.8MPA, stroke is 250MM, motor power is 7.5/11KW, and external dimensions are 1.71.31.9M.

　　Application areas: mainly used in the metallurgical industry, such as various non-ferrous metal smelting, mineral processing, and tailings treatment; In the field of concentrated sludge treatment, such as sedimentation sludge and concentrated sludge treatment; And also in the chemical and other industries, such as dyeing pigments, titanium, quartz sand, carbon black, coal water slurry, kaolin, magnetic materials, flue gas desulfurization and dust removal, electronic pulp, ceramic clay, bentonite, various glazes, salt paste, saponin, food and food residue processing.