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Applications of industrial filter cloth and industrial filter mesh: horizontal vacuum belt filter, nickel industry
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Detailed Description
- Industrial filter cloth and industrial filter mesh applications: Horizontal vacuum belt filter, Nickel industry
Filter type: Horizontal vacuum belt filter
Application industry: Nickel industry
Material description: Nickel
The return of nickel under the filter cloth —— Key applications of industrial filter cloth and filter mesh in solid-liquid separation in the nickel industry
Driven by the dual forces of the new energy revolution and green metallurgy, Nickel This key metal is being given new strategic significance. Whether it's high-nickel ternary materials for power batteries or the irreplaceable nickel-chromium alloys in stainless steel production, its value is constantly rising. However, in the extraction and smelting of nickel ore, a large amount of difficult-to-handle solid-liquid mixtures has become a bottleneck restricting the improvement of efficiency and environmental compliance.
In this context, Industrial filter cloth and industrial filter mesh in horizontal vacuum belt filters ( HVBF ) are helping nickel industry enterprises solve problems such as difficult dehydration, difficult recovery, and difficult operation, becoming a key aid in improving quality and efficiency and promoting green development.
I. Solid-liquid separation challenges in the nickel industry
The extraction of nickel mainly includes the following technical paths:
- Sulfide nickel ore ：Using flotation, roasting - Sulfuric acid leaching and other processes
- Lateritic nickel ore ：Using high-pressure acid leaching ( HPAL ), ammonia leaching, RKEF and other processes
In the above processes, a large amount of the following types of slurries or residues will be formed:
Type
|
Characteristics
|
|---|---|
Leaching slurry
|
Viscous, fine particle size, containing a large amount of silicates, iron oxides
|
Neutralization precipitation residue
|
pH Changes drastically, contains aluminum iron hydroxide, easy to colloid
|
Nickel cobalt tailings
|
Contains unrecovered metal particles, has recycling value
|
Secondary washing liquid residue
|
The suspended particles are small in size and inconsistent in concentration, making them difficult to treat
|
The common characteristics of these slurries are: The solid-liquid boundary is blurred, the viscosity is high, the particles are fine, and the distribution is uneven Traditional sedimentation or centrifugation methods are not only inefficient and have high operating costs, but also difficult to achieve effective metal recovery and wastewater standards.
II. Horizontal vacuum belt filter: A high-efficiency and stable solid-liquid separation tool
In the face of the dehydration needs of complex slurries, HVBF The equipment, with its continuous, automatic, and low-energy consumption characteristics, is gradually becoming the mainstream choice in the solid-liquid separation process of the nickel industry.
Core advantages include:
- Continuous operation ：Suitable for large-scale, stable production lines, especially HPAL Solid-liquid separation section in the process
- High filtration efficiency ：Achieve rapid liquid extraction and high-dryness filter cake formation through a multi-zone vacuum system
- Multi-stage washing function ：Countercurrent washing of nickel tailings to improve metal recovery rate
- Compact footprint, easy maintenance ：Facilitates refinery layout and automated access
However, HVBF The performance of the system largely depends on its " Core filtration components " Industrial filter cloth and filter mesh Selection and matching.
III. Industrial filter cloth and filter mesh: The performance core of the nickel industry filtration system
1. The role of industrial filter cloth
Industrial filter cloth is HVBF The filtering medium that directly contacts the material, and its performance determines:
- Filter cake dehydration degree (water content)
- Filtrate clarity (impurity content)
- Filter cloth service life (replacement frequency)
- Washing efficiency and metal recovery rate
Typical problems of nickel industry slurries, such as fine particle clogging, acid corrosion, and difficult mud stripping, place higher demands on filter cloths.
2. Supporting role of industrial filter mesh
Filter mesh (support mesh) is usually located below the filter cloth, playing the role of Dispersing vacuum, protecting filter cloth, assisting drainage And other functions. Whether its structure is reasonable directly affects the flatness and service life of the filter cloth under vacuum suction.
IV. Materials and Structure: High-Performance Filter Cloth Tailor-Made for the Nickel Industry
Xiamen Citius (Xiamen Citius) Filter Materials Technology Co., Ltd., a national high-tech enterprise in the research and development and manufacturing of filter materials, has developed a number of high-performance filter cloth products for the typical application needs of the nickel industry. HVBF Multiple high-performance filter cloth products have been developed to meet the typical application needs of the nickel industry.
The matching industrial filter mesh uses high-strength filter cloth to ensure the stable operation of the entire system.
Conclusion: Unleashing the Green Value of Nickel in Filtration
Nickel is the " metallic driving force ” of the new energy era; while filter cloth is the unseen " system lubricant ” in the smelting process. In the new chapter of green, efficient, and intelligent development of the nickel industry, high-performance industrial filter cloth and filter mesh are the key technological forces supporting this process.
Xiamen Citius (Xiamen Citius) With thirty years of experience in the field of filter materials, we are committed to providing the nickel industry with more reliable, professional, and customized filter cloth solutions, allowing " every drop of nickel ” to be not wasted, and every bit of tailings to be fully utilized.
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