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Industrial filter press cloth, horizontal vacuum belt filter, nickel industry waste residue refining
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Detailed Description
- Industrial filter cloth for filter press, horizontal vacuum belt filter, nickel waste residue refining
Filter type: Horizontal vacuum belt filter
Application industry: Nickel industry
Material description: Waste residue refining
The key role of industrial filter press cloth in nickel waste residue refining —— With horizontal vacuum belt filter as the core
Against the backdrop of increasingly tight nickel resources and increasingly stringent requirements for green mining and metallurgy, how to efficiently and environmentally recover nickel from waste residue has become an important issue in the nickel metallurgy field. In this recovery and refining process, the horizontal vacuum belt filter ( HVBF ) and its core component —— industrial filter press cloth directly affect the separation effect, resource recovery rate, and operational economy.
Nickel waste residue refining background: From “ Solid waste ” to “ Resources ”
Nickel, as an important strategic metal, is widely used in stainless steel, batteries, aerospace, and other industries. With the expansion of smelting capacity, a large amount of high-magnesium, high-silicon, high-iron waste residue produced during nickel smelting not only occupies land for storage but also potentially causes environmental pollution problems. However, research and practice have shown that these wastes still contain considerable valuable metals such as nickel and cobalt, and still have the value of secondary recovery through reasonable processing.
The extraction process usually includes:
- Waste residue crushing and pulping
- Acid leaching or ammonia leaching treatment
- Solid-liquid separation (deslagging)
- Leachate purification and metal recovery
Among them, the solid-liquid separation stage is a key node in the entire process, which not only affects the purity of downstream recovery but also directly affects processing efficiency and economic benefits.
Horizontal vacuum belt filter: Continuous deslagging “ Central equipment ”
Compared with traditional plate and frame filter presses and centrifugal separation equipment, the horizontal vacuum belt filter ( HVBF ) has the following significant advantages:
- Continuous feeding, continuous discharging : Increase production capacity and meet the needs of large processing volumes
- Controllable vacuum system : Zonal suction, high dewatering efficiency
- High degree of automation : Easy to integrate control, reduce manual intervention
- Thorough filter cake washing : Suitable for thorough cleaning of residues after leaching, improving nickel recovery rate
HVBF It is highly dependent on the filter cloth, and its operational stability, dewatering efficiency, and filter cake shedding are all closely related to the performance of the filter cloth.
The role and key performance indicators of industrial filter cloth
As a core medium in the filter residue refining process, the main functions of industrial filter press cloth include:
- Achieve solid-liquid separation : Efficiently intercept fine particles to obtain clear filtrate
- Improve filter cake dewatering rate : Reduce subsequent drying energy consumption or transportation costs
- Withstand acidic leaching solution corrosion : Chemical resistance must be excellent
- Easy filter cake stripping : Avoid filter cloth clogging or operational interruptions
For the characteristics of nickel waste residue deslagging, the filter cloth must meet the following technical indicators:
Project
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Requirements
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|---|---|
Filtration accuracy
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Controllable within 20~100 Microns, ensuring fine particle retention
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Acid and alkali resistance
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Able to resist corrosion from sulfuric acid, hydrochloric acid, ammonia water, etc.
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Mechanical strength
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High tensile strength, wear resistance, suitable for continuous operation and scraper unloading
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Air and liquid permeability
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Achieve rapid suction and high-throughput filtration
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Surface treatment
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Smooth surface, water-repellent or hydrophilic treatment enhances filter cake formability
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Regeneration performance
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Easy to clean, supports high-frequency replacement and reuse
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Xiamen Citius (Xiamen Citius) : Providing customized filter cloth solutions for efficient nickel resource recovery
As a leading brand in the field of industrial filtration in China, Xiamen Citius (Xiamen Citius) Filter Materials Technology Co., Ltd. has been deeply engaged in solid-liquid separation technology for more than 30 years, with a complete industrial filter cloth R&D system, experimental verification platform, and on-site application experience. In particular, mature application solutions have been formed in the non-ferrous metal industry (nickel, copper, lithium, cobalt, etc.).
For HVBF For applications in the recovery of nickel from metallurgical waste, Xiadias (Xiamen Citius) Can provide:
- Multi-layer filter cloth design : Outer layer: high-strength wear-resistant layer + Inner layer: fine filtration layer, ensuring both permeability and enhanced interception
- High acid and temperature resistant fiber materials : Suitable for acidic leaching environments, extending the service life of the filter cloth
- Specialized surface treatment technology : Improves filter cake release and prevents mud cake adhesion
- Modular customization : Can be customized according to the size of different plant equipment and the layout of the negative pressure section, achieving one cloth per machine
Xiadias (Xiamen Citius) Filter cloths have been widely used in many large-scale nickel-cobalt projects in China, such as the high-pressure acid leaching ( HPAL ) project's slurry dewatering and domestic pyrometallurgical nickel smelting plant waste recovery lines, and have been consistently well-received by customers.
Application example: A lateritic nickel mine in Indonesia HPAL Project
In a large-scale HPAL project in Indonesia, the residue after nickel hydrometallurgical leaching needs to undergo HVBF dewatering treatment. Xiadias (Xiamen Citius) provides special composite filter cloths with the following effects:
- Stable filtrate clarity < 50ppm
- Filter cake moisture content controlled at 35% or below
- Filter cloth service life up to 6 months or more, far exceeding ordinary filter cloths
- Smooth filter cake release, improved overall machine operating efficiency 20%
This project effectively recycles nickel and cobalt elements from the waste residue, improving resource utilization while significantly reducing processing costs and environmental pressure.
Conclusion: Small filter cloth, great effect
In the technically intensive and complex system engineering of nickel smelting waste recovery, the industrial filter press filter cloth plays a “ critical role in the final stage. ” From filtration efficiency and filter cake dewatering to equipment stability and operating costs, the choice of filter cloth not only affects the performance of a single piece of equipment, but also the economic viability and sustainability of the entire recovery system.
With the continuous evolution of nickel resource recovery technology, industrial filter cloth companies like Xiadias (Xiamen Citius) with customized R&D capabilities will continue to provide strong support for the green and efficient development of global nickel resources.
📞 For technical support or sample testing services, please contact Xiamen Xiadias (Xiamen Citius) ：
- Email: wyl@citius-filter.com
- WhatsApp: +86-13950107241
- Official Website : www.citius-filter.com
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