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Heavy Duty Slurry Pump For Coal Mining

The MZJ series Heavy Duty Slurry Pump for Coal Mining is newly developed anti-wear, corrosion resistant design. Mainly used for coal, power, metallurgy etc.

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This Heavy Duty Slurry Pump For Coal Mining is a newly designed anti-wear, corrosion resistant slurry pump. Based on advanced international technology, it adopts excellent hydraulic model, structure design and good anti-wear materials, forms many distinctive features as high effective, energy conservation low vibration and noise, dependable operation, long service life, which is mainly used for coal, power, metallurgy, construction etc industries. This series of pumps provide trouble-free operation and a minimum downtime improving the effectiveness of the operation.


1. Excellent performance

High efficiency and low noise with powerful motor and reasonable airframe design.

2. Economical and practical

Energy-saving design and reasonable price help you improve the quality of life.

3. Simple and convenient setup and assembly

The new process design makes assembly easy and maintenance convenient.

4. Good seal performance

Double seal arrangement provides positive seal of bearings against contamination.

5. Low maintenance

The motor has long practical life, simple operation and convenient maintenance.


It is an energy saving and special structure type equipment, mainly used for filtering and screening of various slurry and concentrated slurry, also widely used in food, pharmaceutical, chemical, paper, environmental protection, ceramics, electric porcelain and other industries.

Operation Conditions

  • Speed: Motor directly driven 2900/1450/980/730/590 r/min; Or Diesel engine by coupling or belt.

  • Medium Temperature: normal<80℃.

  • Solid liquid mixture weight density: mortar density<45%

Ore pulp density<60%

  • Capacity range: 30~2000m3/h

  • Head range: 15~130m

Shaft Seal

  • Packing seal: High pressure sealing water, suitable for single operating pump or secondary pump with discharge pressure be lower than 10 times of suction pressure.

  • Supplementary impeller+composite packing seal: add fresh water or grease in packing section.

  • Mechanical seal: suitable for customers having strict requirements on leakage.

Bearing and lubrication systems

Bearing temperature is no more than 75℃, temperature change can’t be 40℃ of ambient temperature bearing adopts oil lubrication.

Note: Special bearing and lubrication oil can be used for special requirements.


Pump Parts


Volute Casing


Front Plate Liner


Back Plate Liner




Shaft Sleeve




Pump Casing




Mine: Transferring black and coloured ore pulp.

Metallurgy: slurries transferring for aluminum and steel plant.

Coal: Transferring of coal slurry

Power: Mortar transferring in power plant

Construction: Transferring of silt slurry (Concrete plant)

Chemical: Transferring for corrosive slurry in phosphorus fertilizer plant, etc.

Water Conservancy: Suction, draining, and delivery of river, lake that containing silt, grit etc.

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