ZJ Series Mine Mud Pump

The ZJ Series Mine Mud Pump is the specific name for the ZJ series horizontal single-stage single-suction centrifugal slurry pump used in the mining mud transportation process.
The pump is of a horizontal, single-stage, single-suction, centrifugal structure. The motor drives the pump shaft and the impeller to rotate through a coupling or belt, discharging the slurry containing solid particles in the direction of centrifugal force.
Its core structure is an inner and outer dual-metal dual pump casing: the outer metal casing (HT200 or QT500-7 cast iron/spheroidal graphite iron) withstands pressure, while the inner layer is a replaceable high-chromium wear-resistant alloy inner liner (Cr27/Cr30 etc. high-hardness alloy cast iron) or rubber liner. The inner liner can be used until it wears through, extending the maintenance period and reducing operating costs.
The pump casing is vertically split in the middle, and the outlet can be installed at eight different positions at 45° intervals, suitable for complex on-site pipeline layouts.

Double-metal dual pump housing: The outer metal pump housing withstands pressure, while the inner layer is a high-chromium wear-resistant alloy or rubber replaceable inner liner; after wear, only the inner liner needs to be replaced, without the need to scrap the pump body, extending the maintenance period and reducing operating costs.
Vertical mid-open eight-angle outlet: The pump housing is vertically split, and the outlet can be installed at eight different positions by rotating at 45° intervals. It is flexible for on-site piping.
Impeller structure: The impeller is composed of a front cover plate, a rear cover plate, 3-6 twisted blades, and 8 back blades. The material is high-chromium alloy cast iron, and it is connected to the shaft by a threaded connection; the wide flow channel design is resistant to blockage and can handle large solid particles.
Heavy-duty bearing bracket: Cylindrical or horizontally split mid-open heavy-duty bearing assembly, facilitating adjustment of the gap between the impeller and the front guard plate during maintenance; the bearings are lubricated with thin oil or grease; pumps of ZJ and above types have water cooling devices, providing sufficient cooling for the bearings.

The ZJ Series Mine Mud Pump demonstrates outstanding performance in the mining and related heavy industries due to its features such as "replaceable liners in dual pump housings, heavy-duty bearings, a wide range of models, and multi-level parallel connection":
Mining beneficiation plants: Feedstock for the grinding and classification circuit (withstanding high pressure and severe wear), long-distance pipeline transportation of concentrate slurry, transportation of tailings slurry to tailings ponds or dry discharge (concentration 30%–50%)
Black/ferrous metal ores: Concentrate slurry and tailings slurry transportation of iron, copper, gold, lead-zinc, etc.
Coal washing plants: Transportation of heavy medium suspension (magnetite powder), coal slurry pumping
Metallurgical steel: Slag slurry from smelting furnaces, red mud (highly alkaline + highly abrasive, requires duplex stainless steel or high-chromium cast iron + liner coating), transportation of bauxite slurry
Electric power industry: Water removal from coal-fired power plants, transportation of ash and slag slurry
Building materials industry: Transportation of sand-water mixtures on wet sand-making lines, cement raw slurry
Tailings filling: Pumping of coarse tailings into underground voids for filling (with a lift height of up to 80 meters)
Sand mining dredging: Sand mining in rivers and ports, transportation of highly abrasive sediment containing gravel and shells, etc.

Mine Operating Condition Selection Guide:
Feed for the grinding and classification circuit → Heavy-duty bracket + High-chromium cast iron (Cr27/Cr30) + Auxiliary impeller packing seal
Long-distance transportation of concentrate → Large-diameter 300ZJ/350ZJ/400ZJ + Multi-stage series connection + High-chromium alloy
Tailings transportation/dry discharge → 250ZJ/300ZJ + High-chromium alloy lining, with 2-4 stages of series connection when insufficient head
Coal washing heavy media transportation → High-chromium alloy + Auxiliary impeller packing seal (Sealing tight, wear-resistant)
Slag/strong alkaline slurry → Duplex stainless steel or high-chromium cast iron + Rubber lining
Underground filling → 200ZJ/250ZJ high-pressure model, head ranging from 80 to 130 meters
Custom services: Customization based on drawings/samples, OEM brand logo, special flange standards (ANSI/DIN/GB), explosion-proof motor, special materials (duplex steel/polyurethane/ceramics), multi-stage series connection design, complete packaged unit (pump + motor + base + control cabinet + valves and pipelines), wireless vibration temperature sensor predictive maintenance system.

Full-process modern production base: The company has built an intelligent complete production area by itself, equipped with 126 main production equipment and 34 sets of specialized precision processing devices, covering all production processes of the entire industrial chain: model design and mold making, pump body casting, heat treatment, precision machining, complete machine assembly, and complete machine performance testing, all completed in one step. The production end adopts CAD computer-aided design and CAE engineering simulation technology, which can achieve three-dimensional modeling, assembly interference verification, stress analysis, and CFD fluid dynamics simulation, precisely optimizing the pump body operating performance; self-developed optimized impeller structure significantly extends the equipment service life and effectively reduces the customer's later operation and maintenance costs. The annual casting capacity of the factory can reach several thousand tons, and all raw materials are selected from high-grade wear-resistant materials from domestic first-line manufacturers; the self-developed slurry pump has a service life 2-5 times longer than similar conventional products in the domestic market, with outstanding wear resistance and durability advantages. The factory is equipped with two sets of high-pressure and low-pressure pump testing workstations, and all finished products undergo full inspection before leaving the factory, achieving a 100% qualified rate for factory output.

Question. What is the range of your products?
Centrifugal pumps, slurry pumps, sand and gravel pumps, dredging pumps, water pumps, sewage pumps, chemical pumps, etc.
Question. How to select the appropriate pump?
To select the right pump, first determine the medium: clean water or slurry. Secondly, confirm the pumping parameters: flow rate, head pressure, specific gravity, density, etc.
Question. What types of power are available for slurry pumps?
According to the customer's requirements, it can be an electric motor or a diesel engine. If it is an electric motor, please confirm the local industry voltage/hertz/phases.
Question. If you want to get the quotation, what should we know?
Pump capacity, pump head, medium type, pump material, quantity.
If possible, please also provide the model of the pump you are currently using. This will help us select the most suitable pump model for you.
If not, we will recommend related products for your reference.
Question. What are the advantages of your pumps?
Through CE & ISO, international standard design, easy maintenance, perfect appearance, and high performance have been accepted by current customers;
Question. What is your minimum order quantity and payment terms?
The minimum order quantity is 1 set. We can start doing business with you from tracking the order.
Payment methods: wire transfer, letter of credit, Western Union, PayPal.

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