Vacuum Filter
A disc vacuum filter is a solid-liquid separation device. The filter disc is driven by a speed regulator through a reducer and open gear transmission. It rotates at a constant speed within a tank filled with slurry. When one of the filter disc's fan blades is in the filter adsorption zone, a vacuum pump creates a pressure differential across the filter medium. This causes solids to adhere to the filter medium (filter cloth), forming a filter cake. The filtrate is discharged through the filtrate pipe and distributor. When this fan blade is removed from the slurry level and enters the dewatering zone, the filter cake is dried. Once in the discharge zone, the filter cake is removed from the disc by backwash and scrapers, falling into a discharge chute and then transported away by a collection belt conveyor. The entire process proceeds contin-uously.
Main features of the technique:
1. Addressing some shortcomings of existing filter fans, our newly designed filter fan features uniformly distributed dewatering holes, a reasonable porosity, high strength (the filter fan material is high-strength engineering plastic), and a long service life, with an average lifespan increased by 1-1.5 times. Simultaneously, the filter fan has a larger effective area, improving the filtration capacity of the filter.
2. Large filtration area and large abdominal cavity capacity of the distribution head improve the pumping rate and filtrate discharge effect.
3. The mixing shaft adopts a horizontal forced speed mixing, and the shaft end adopts a triple combination of "rubber, packing and water seal" to effectively prevent slurry leakage and has a service life of more than 8 years.
Product Parameters
A detailed specification table is crucial for engineers to evaluate the equipment's suitability.
| Filter disc diameter(mm) | 2100 | |||||||
| Filter area(m²) | 10 | 20 | 30 | 40 | 60 | 80 | 100 | |
| Number of filter discs | 2 | 4 | 6 | 8 | 12 | 16 | 20 | |
| Number of filters per plate | 20 | |||||||
| Spindle motor power | 2.2 | 3 | 4 | 5.5 | 5.5 | 7.5 | 7.5 | |
| Stirring motor power | 3 | 4 | 5.5 | 7.5 | 7.5 | 11 | 11 | |
| Vacuum pump power | 22 | 37 | 55 | 75 | 75 | 132 | 165 | |
| Dimensions | L(mm) | 2535 | 3315 | 4095 | 4875 | 5990 | 7550 | 9570 |
| W(mm) | 2450 | |||||||
| H(mm) | 2690 | |||||||
| Processing power(t/h) | 6-10 | 12-17 | 15-30 | 20-40 | 30-60 | 40-80 | 50-100 | |
| Filter disc diameter(mm) | 3100 | 4100 | |||||
| Filter area(m²) | 60 | 72 | 84 | 96 | 200 | 260 | |
| Number of filter discs | 5 | 6 | 7 | 8 | 10 | 13 | |
| Number of filters per plate | 20 | ||||||
| Spindle motor power | 5.5 | 7.5 | 15 | 18.5 | |||
| Stirring motor power | 7.5 | 11 | 18.5 | 22 | |||
| Vacuum pump power | 90 | 110 | 132 | 132 | 250 | 280 | |
| Dimensions | L(mm) | 4735 | 5235 | 5735 | 6235 | 7210 | 8710 |
| W(mm) | 4205 | 5090 | |||||
| H(mm) | 3700 | 4480 | |||||
| Processing power(t/h) | 36-50 | 43-60 | 50-70 | 48-96 | 100-200 | 130-260 | |
Product Features
High Efficiency
This disc-type vacuum filter features a multi-disc structure with an exceptionally large filtration area; consequently, it is capable of continuous operation and high-volume processing, making it particularly well-suited for use in large-scale production lines.
Automatic Operation And Low Energy Consumption
This system is equipped with PLC automatic controls, allowing it to operate autonomously with virtually no need for human supervision. Furthermore, by utilizing energy-efficient motors and high-efficiency vacuum pumps, electricity consumption is minimized, thereby naturally lowering operating costs.
Excellent Filtration Results
It is equipped with a highly robust vacuum system, coupled with specially selected filter cloth; as a result, the filtered liquid is exceptionally clear, and the filter cake exhibits low moisture content. This effectively enhances product recovery rates and boosts overall value.
Durable And Corrosion-Resistant
The critical components are constructed from stainless steel or treated with an anti-corrosion coating; consequently, even in the harshest environments, they offer exceptional longevity and are highly resistant to failure.
Application Fields
The Disc Vacuum Filter is widely deployed for dewatering various slurries, including:
Mining
Concentration of iron ore, copper, zinc, lead, gold, sulfur concentrate, and tailings.
01
Chemical Industry
Separation of chemical products like PVC, sodium salt, and potassium fertilizer.
02
Metallurgy
Processing of alumina and metal concentrates.
03
Environmental Protection
Dewatering of municipal and industrial sludge from wastewater treatment plants.
04
Quality Assurance
The Rotary Drum Vacuum Filter serves as a fundamental piece of solid‑liquid separation equipment. Utilizing cyclic rotary vacuum suction technology, it attains reliable dewatering and solid‑liquid partitioning performance. Manufactured for rugged field deployment, our drum filters find extensive use in mineral processing, chemical synthesis and waste‑water sludge disposal, delivering dependable separation performance across varied industrial scenarios.
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