High Chrom Slurry Pump
High-Wear, High-Efficiency Slurry Transport for Demanding Mining Operations
High Chrom Slurry Pumps are engineered for high-abrasion applications in copper EW plants and other mining operations. Constructed with high-chromium alloy components, these pumps deliver outstanding resistance to corrosion, impact, and particle wear. Ideal for handling aggressive slurries such as those containing sulfuric acid and metal particles, they ensure prolonged operational life and reduced maintenance intervals.
Technical Specifications
| Item | Parameter Range |
|---|---|
| Wetted Material | High-chromium white cast iron (Cr≥26%) |
| Applicable Slurry | Abrasive solid-liquid mixtures |
| pH Range | Neutral to weakly acidic (not for strong acid) |
| Temperature Range | Depends on model and seal type |
| Seal Type | Packing seal / Expeller seal / Mechanical seal |
| Drive Type | Direct drive / Belt drive / Gearbox |
| Typical Applications | Mining, coal, metallurgy, power, dredging |
Material & Wear Resistance
The wetted components (impeller, volute liner, throatbush, etc.) are manufactured from high-chromium white cast iron, typically with chromium content of 26% or higher. This material provides:
- High hardness: Excellent resistance to abrasive wear from solid particles
- Good toughness: Sufficient impact resistance for normal operating conditions
- Proven performance: Widely used and validated in mining and heavy industrial applications
Main Features
- Excellent Wear Resistance
High-chromium alloy wetted parts provide long service life in abrasive slurry applications, significantly outlasting ordinary cast iron or steel pumps. - Heavy-Duty Design
Robust construction designed for continuous heavy-duty operation in demanding industrial environments. - Replaceable Wear Parts
Liners, impellers and other wear components can be replaced individually, reducing maintenance cost and downtime. - Flexible Configuration
Available with various drive arrangements, seal types and material options to match specific application requirements. - Wide Range of Models
Multiple sizes and configurations available to cover different flow rate and head requirements.
Construction
- Pump Casing
Split or solid casing design with high-chromium alloy wear liners. - Impeller
High-chromium alloy impeller designed for efficient slurry handling with minimal wear. - Shaft & Bearing Assembly
Heavy-duty shaft with robust bearing arrangement for reliable operation. - Seal System
Options including packing seal, expeller seal and mechanical seal. - Drive Arrangement
Direct drive, V-belt drive or gearbox drive options available.
Common Use Cases
Slurry circulation in solvent extraction & electrowinning (SX-EW) plants
Sulfuric acid tailings transport
Flotation concentrate transfer
Thickener underflow pumping
Waste slurry and mine water disposal
Please confirm your application scenario (acidity, temperature, slurry density, particle size).
Flow rate and head requirements should be specified.
For customized units (e.g., skid-mounted systems), drawings can be provided in advance.
On-site installation support available upon request.
Packaging & Shipping
Standard export wooden box or steel frame packaging
Rust-proof wrapping and component separation for safety
Shipping via sea freight with optional insurance coverage
Clear labeling and instruction manuals included
FAQ
Q1: How long do high chrom slurry pumps typically last?
A: Service life depends heavily on slurry properties - particle size, concentration, hardness and operating speed. Under typical mining slurry conditions, wetted parts usually last several months to over a year. We can provide more specific estimates based on your actual operating conditions.
Q2: Can high chrom pumps handle acidic slurry?
A: High-chromium alloy has some corrosion resistance but is not designed for strong acid environments. For neutral or weakly acidic slurry with high abrasion, it works well. For strong acid applications, we recommend our ceramic slurry pump.
Q3: Are wear parts easy to replace?
A: Yes. The pump is designed for easy maintenance. Wear components like liners and impellers can be replaced on site without special tools, reducing downtime.
Q4: What drive type should I choose?
A: Direct drive is efficient and compact for fixed speed. Belt drive offers flexibility for speed adjustment and is common in many mining applications. Gearbox drive is used for high-torque, low-speed requirements.
Q5: Do you offer different material grades?
A: Yes. We offer various high-chromium alloy grades with different hardness and toughness characteristics, selected based on your specific slurry conditions.
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