Tailing Vacuum Dewatering Filter Disc

Tailing vacuum dewatering filter disc

Vacuum ceramic filter machine are widely used in tailings dewatering due to their advantages such as high efficiency, energy conservation and low moisture content. As the core component of vacuum ceramic filter machine, the performance of vacuum ceramic filter disc directly determines the dewatering efficiency, operating cost and maintenance intensity of the entire machine. Compared with traditional filter cloths (such as those used in vacuum disc and belt filters), vacuum ceramic filter disc with their unique materials and structures, have demonstrated significant product advantages in the field of tailings and various mineral dewatering.

Advantage essence: Vacuum ceramic filter disc are composed of uniform micro-porous ceramic materials (such as alumina, silicon carbide), and the micro-pore diameters are controllable (commonly 1.5μm, 2μm, 5μm, etc.).

Specific manifestations
The filter cake is drier: It can form a denser filter cake with a lower porosity, and the moisture content of the filter cake is usually 5% to 15% lower than that of traditional filter cloth filters. For instance, the moisture content of iron ore tailings filter cakes can reach 10% to 15%, and that of copper ore tailings can reach 12% to 18%.
The filtrate is clear: The micropores can effectively intercept ultrafine particles, making the filtrate extremely clear (with low turbidity), and the solid content is usually less than 5 ppm (mg/L). It can be directly reused as process water in the beneficiation plant, significantly reducing the consumption of fresh water and the cost of wastewater treatment.
No penetration and turbidity: Under the appropriate selection of pore size, the phenomenon of fine particles penetrating almost never occurs, ensuring stable filtration quality.

Advantage essence: Utilizing the principle of capillary action, it does not require continuous high vacuum suction.
Specific manifestations
The power consumption of the vacuum pump is extremely low: a high vacuum degree is only required when the initial filter cake layer is formed. Once the filter cake is formed, only a low vacuum degree needs to be maintained (capillary water suction), and the power of the vacuum pump is only 10%-30% of that of traditional vacuum filters.
No compressed air consumption: Unlike some filter presses, it does not require high-pressure air to dry the filter cake.
The comprehensive energy consumption has been significantly reduced: It is recognized as one of the most energy-efficient solid-liquid separation devices.

The essential advantage: Ceramic material has extremely high physical and chemical stability.
Specific manifestations
Extra-long lifespan: Under correct usage and maintenance, the service life of ceramic filter plates can typically reach 12 to 13 months or even longer, which is much longer than that of filter cloths (whose lifespan is usually only a few weeks to a few months).
Wear-resistant and corrosion-resistant: High hardness (Mohs hardness ≥8), resistant to particle erosion and wear; Resistant to strong acids (except hydrofluoric acid and hot concentrated alkali), resistant to corrosion by most chemical agents, and suitable for complex pulp environments.
No consumable replacement cost: It eliminates the huge expenses and downtime caused by frequent filter cloth replacement.
Simple maintenance: The main maintenance work is regular cleaning (backwashing, acid washing, ultrasonic cleaning), without the need for frequent disassembly, replacement or sewing like filter cloth.

Essential advantages: Large microporous flux, not prone to clogging (easy to regenerate), and fast dehydration speed.
Specific manifestations
High processing capacity per unit area: Under the applicable material conditions (as mentioned earlier), the processing volume per unit area is usually better than or equivalent to that of traditional vacuum filters.
Continuous and stable operation: Through effective backwashing and combined cleaning (acid washing + ultrasonic), it can continuously maintain high porosity and flux, avoid a sharp decline in production capacity caused by clogging, and ensure long-term stable operation.
High degree of automation: It is easy to integrate into an automatic control system to achieve unattended operation or remote monitoring.

Essential advantages: Highly efficient water conservation and no secondary solid waste.
Specific manifestations
Significantly increase the return water rate: The clear filtrate is directly reused, significantly reducing the amount of fresh water taken from the concentrator and the discharge of wastewater.
Reduce solid waste disposal: Drier filter cakes reduce the volume/weight of transportation and storage, lowering the pressure on tailings pond capacity and disposal costs.
No filter cloth waste: It eliminates the environmental pollution problem caused by a large amount of waste filter cloth (usually classified as hazardous waste or difficult to degrade).
Reducing carbon emissions: Energy conservation itself means reducing carbon emissions.

Essential advantage: Good sealing performance, reducing leakage.
Specific manifestations
Clean working environment: The equipment operation area is cleaner, with no slurry splashing caused by filter cloth damage, reducing the on-site cleaning workload.
Reduce occupational health risks: Minimize the exposure of operators to damp, muddy environments and potentially harmful agents/dust.

The essential advantage: It can adapt to different materials by choosing ceramic plates with different hole diameters and materials.
Specific manifestations
Optional pore size: Select the optimal pore size (1.5μm, 2μm, 5μm, etc.) based on the particle size of the material to balance the dehydration speed and accuracy.
Material options include: such as alumina, silicon carbide, etc., to meet the requirements of different chemical environments (acid/alkali) and wear resistance.
Capable of handling fine-grained materials: Particularly skilled in processing fine-grained and difficult-to-settle materials that are hard to filter efficiently with traditional filter cloths.

our product

 

this ceramic filter plate special designed for cc filters and Roxia CD filters.

this ceramic filter plate suitable for the many vacuum ceramic filters.

this ceramic filter plate is custom-designed for delivery to Brazil

 

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