Electric Centrifugal Slurry Pump

The electric centrifugal slurry pump is a type of pump equipment that uses a three-phase asynchronous motor as the power source and is driven by a coupling or belt to rotate the centrifugal impeller, thereby transporting abrasive slurries containing solid particles. Unlike submersible slurry pumps, it is installed on the ground or on a foundation, with the motor in a dry environment, making it convenient for maintenance and repair. The pump head adopts a volute or guide vane structure, and the impeller is of closed, semi-open or open type. The flow components are mainly made of high-chromium white cast iron (Cr26, 58–62 HRC), and stainless steel, duplex steel or rubber lining can also be selected according to the corrosiveness of the medium. This pump type is the standard configuration for slurry transportation in industries such as mining, coal preparation, power, and building materials, featuring high efficiency, wide head range, long service life, and ease of maintenance.

Heavy-duty bearing assembly:​ Tubular bearing housing, featuring a combination of cylindrical roller bearings and angular contact ball bearings, capable of withstanding radial forces and residual axial forces. Lubricated with grease. The bearing body is equipped with a cooling water jacket (for high-temperature conditions).
Sealing type:
Packing seal: Low cost, simple maintenance, suitable for conditions with good water quality, with packing ring flushing.
Secondary impeller + packing combined seal: Utilizes the centrifugal force of the secondary impeller to reduce the sealing pressure, extending the life of the packing.
Mechanical seal: Single or double end face, SiC/SiC or WC/WC pair, suitable for valuable media or environments with strict environmental requirements.
Flow component material:
A05 (Cr26, 58–62 HRC): Standard wear-resistant type, suitable for strong abrasive media such as quartz sand and tailings.
A49 (low-carbon high-chromium): Resistant to weak acid corrosion, suitable for phosphate ore and desulfurized gypsum.
A33 (duplex stainless steel CD4MCu): Resistant to alternating chloride ions and acids and bases, suitable for seawater and chemical industries.
Natural rubber/polyurethane: Suitable for fine particles and non-pointy media, such as coal slime.
Replaceable inner liner:​ The impeller liner (sheath) and pump casing are separated for design, only the inner liner needs to be replaced after wear, reducing maintenance costs.

Electric centrifugal slurry pump: It is the main equipment for slurry transportation in the following industrial fields:
Mining and Metallurgy: Tailings transportation, concentrate slurry, grinding circulation, cyclone feed, flotation feed
Coal and Electricity: Heavy media in coal washing plants, coal slurry water, power plant ash removal (bottom ash/fly ash), desulfurization gypsum slurry
Building Materials and Chemicals: Ceramic slurry, kaolin, cement slurry, phosphate fertilizer slurry, titanium dioxide slurry
Water Conservancy and Dredging: River dredging, reservoir sand discharge, pump station forebay dredging
Steel Smelting: High-temperature furnace slag treatment, oxidized iron scale water in rolling, continuous casting turbid circulation
Environmental Protection and Municipal Services: Sludge transportation in sewage treatment plants, landfill leachate, waste residue from chemical plants

Selection Criteria:
① Flow rate (m³/h) and head (m);
② Medium name and density (t/m³);
③ Maximum solid particle diameter and content (%);
④ Medium temperature (℃) and pH value;
⑤ Power supply voltage and frequency;
⑥ Installation method (horizontal/vertical/angled) and space constraints.
Material Selection:
For erosion, choose A05 high chromium; for corrosion, choose stainless steel/dual-phase steel; for fine particles with low abrasion, choose rubber lining; for high temperature, choose cast steel + heat-resistant bearings.
Sealing Selection:
For low-pressure clean water, choose packing; for high-pressure or valuable media, choose mechanical seal; for media with a large amount of particles, choose auxiliary impeller seal.
Drive Method:
Direct connection has the highest efficiency; belt drive is flexible for speed adjustment; variable frequency control is energy-saving and cost-effective.
Customization Range:
Special flanges (ANSI/DIN/GB), explosion-proof motors (ExdⅡBT4/CT4), extended bearing housing, reverse rotation, coating color, high-altitude motor, outdoor rainproof cover.

CZME is a world-class manufacturer of high-performance pumping solutions, serving industries such as mining, construction, environmental protection, and water treatment. We specialize in the production of Slurry pumps, Dredge pumps, Desulfurization pump, Marine dredging pumps, and other industrial pumps designed for handling solid-laden, highly abrasive, and corrosive slurries. Our expertise in slurry and wastewater management makes us a trusted partner for clients worldwide.

Q2: Where did your products used to be exported to?
A2: Our products have been sold to South Asia, Africa, South America, the Middle East, etc.
Q3: How will you assist customers in installing the equipment?
Our senior engineers will provide installation and training services either online or on-site.
We will offer 7*24 service.
Question 4: How about the supply of spare parts?
A4: We will provide the spare parts at the factory price. You can purchase them from our factory in China or from our agents.
Q5: How is the after-sales service?
A5: 12-month warranty for all products.
Q6: How can I obtain free solutions and quotations?
A6: Please send us your inquiry, provide your WhatsApp and email details, and our sales manager will contact you within 1 hour.

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