Coal Washing Machine Chains
Designed specifically for coal washing conditions, coal washing machine chains are manufactured from high-strength alloy steel with specialized anti-corrosion treatment. Key components, such as chain plates and pins, are precision-machined and heat-treated for enhanced strength. As a result, these chains offer excellent resistance to wear, corrosion, and impact, making them ideal for slurry environments and heavy-duty conveying applications.
Product Overview
Manufactured from high-strength alloy steel with specialized anti-corrosion treatment, these chains are specifically engineered for slurry environments. Key components, including chain plates and pins, are precision-machined and heat-treated to deliver excellent resistance to wear, corrosion, and impact.
The chain surface is treated with advanced anti-corrosion technology, effectively resisting corrosive media such as sulfides and chloride ions commonly found in coal slurry. This significantly extends service life in humid and acidic environments.
Critical components are strengthened through heat treatment, providing outstanding load-bearing capacity. The chains can reliably withstand high impact and torque during coal washing operations, reducing the risk of chain breakage.
Optimized fit and precision between chain plates and pins ensure even load distribution across attachments. This effectively minimizes chain wandering and uneven loading, ensuring stable long-term operation while reducing vibration and noise.
From raw materials to finished products, the entire production process is fully traceable under the ISO 9001 quality management system. Test reports are provided for each batch. Customization options are available, including material selection, hole diameter, plate thickness, and surface treatment, to meet various coal washing process requirements.
Application Scenarios
Suitable for use in jigs and heavy-medium shallow bath separators. The chains are used for material scraping, discharge, and conveying. They are designed to operate under coal gangue impact and slurry conditions, helping maintain the continuity of the separation process.
Applicable to scraper conveyors and en-masse conveyors for transporting raw coal, coal slurry, or middlings. The chains are strengthened through heat treatment, providing reliable impact resistance and load-bearing capacity. Under appropriate operating conditions, they can help reduce the risk of chain breakage and jamming.
Suitable for flotation machines and magnetic separators used in fine coal processing. Operating in slurry environments, the chains offer corrosion resistance and wear performance, supporting stable and smooth material discharge.
Applicable to vibrating screens, centrifuges, and related systems for material conveying and discharge. The chains operate in a stable manner and can help reduce material blockage and uneven loading, contributing to consistent system operation.
Suitable for conveying coal slurry, coal-water mixtures, and tailings with high moisture and abrasive characteristics. With anti-corrosion treatment and wear-resistant materials, the chains can maintain stable performance in the presence of fine particles and certain corrosive media, helping extend service life and reduce maintenance requirements.
Full Series Specifications
Common specifications for coal washing machine chains are listed below. Custom sizes and non-standard options are available upon request. Please contact us for more details.
| Matech Chain No. | Pitch | Bush diameter | Width between inner plates | Pin diameter | Pin length | Plate depth | Plate thickness | Average tensile strength | Weight per meter | |
| p | d1 max | b1 min | d2 max | L1 max | L2 max | h2 max | t/T max | Q0 min | q | |
| mm | mm | mm | mm | mm | mm | mm | mm | kN | kg/m | |
| CW *78×44×9 | 78.1 | 31.75 | 34.5 | 19.05 | 128.5 | 90.5 | 44.5 | 9.6 | 166.88 | 14.09 |
| CW 78×44×12 | 78.1 | 31.75 | 31.75 | 19.05 | 122 | 90.5 | 44.5 | 12.7/8.0 | 166.88 | 14.22 |
| CW *78×44×12-1 | 78.1 | 31.75 | 31.75 | 19.05 | 129 | 90.5 | 44.5 | 12.7/8.0 | 166.88 | 14.59 |
| CW *78×44×12-2 | 78.1 | 31.75 | 31.25 | 19.05 | 124 | 90.5 | 44.5 | 12.7/8.0 | 166.88 | 14.6 |
| CW #78×44×9 | 78.1 | 31.75 | 34.5 | 19.05 | 124 | 91 | 44.5 | 9.7 | 166.88 | 14.75 |
| CW #78×46×10 | 78.1 | 31.75 | 32 | 20.7 | 127 | 93 | 46 | 10 | 166.88 | 15.4 |
Customized Services
Need something beyond standard models? We offer complete custom solutions—from bore diameter and materials to attachments and pitch—designed for your application. All dimensions can be customized. Contact us for special requirements.
| Customization Item | Options | Description |
| Material | Carbon Steel, Alloy Steel | Selected based on corrosion resistance and strength requirements |
| Surface Treatment | Galvanized, Nickel Plated, Dacromet, Black Oxide | Improves corrosion resistance and extends service life |
| Chain Pitch, Inner Width, Outer Width, Plate Thickness | Customizable | Designed to match different attachment sizes |
| Length | Any length (minimum order negotiable) | Fixed-length cutting available |
| Attachment Type | Standard attachments or custom per drawings | Meets various conveying requirements |
| Temperature Resistance | Standard: -10°C to 120°C (High-temp ≤ 180°C) | Special heat treatment or material selection available |
| Matching Sprockets | Various tooth counts and materials available; teeth can be induction hardened | Ensures accurate sprocket tooth profile and center distance for optimal transmission performance |
Quality Inspection Production Equipment
At Matech, we manufacture heavy-duty industrial chains in a fully equipped production facility. From CNC machining and stamping to heat treatment and assembly, each step is carefully controlled to meet the demands of impact, abrasion, and corrosive environments.
A complete quality control system is applied throughout production, including hardness, tensile, and dimensional testing. This ensures consistent strength, wear performance, and dimensional accuracy across each batch.
Frequently Asked Questions
1
What equipment uses these chains?
These chains are used in coal washing equipment including jigs, heavy-medium bath separators, scraper conveyors, flotation machines, and magnetic separators. They are suitable for material scraping, discharge, and conveying under slurry conditions.
2
How do they handle slurry and corrosive environments?
The chains are manufactured using selected materials and surface treatments to provide good corrosion resistance. They can operate reliably in wet environments containing fine particles and typical corrosive media found in coal washing applications.
3
Are they suitable for heavy-duty and abrasive applications?
These chains are designed for heavy-duty and high-wear conditions. Through optimized material selection and heat treatment, they offer reliable load-bearing capacity and wear performance, supporting continuous operation under appropriate working conditions.
4
Do you offer customization and production based on drawings or samples?
Yes, customization is available based on equipment design and operating requirements. Options include pitch, plate thickness, pin structure, and various attachments. Production based on drawings or samples is also supported.
5
How is product quality controlled?
Quality is controlled throughout the manufacturing process, from material selection and heat treatment to final inspection. Key parameters, including hardness, strength, and critical dimensions, are tested during production.
6
What factors affect chain service life?
Service life is influenced by factors such as load, impact intensity, abrasion conditions, and maintenance practices. It may vary across different applications. Selection can be optimized based on specific operating conditions.
Contact Us
To purchase or customize a Coal Washing Machine Chains, please fill out the form below. Our team will get back to you within 24 hours.
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