A:
All Dongding dryers come with a 12-month warranty covering parts and workmanship from the date of commissioning. Lifetime technical support and spare parts supply are provided.
Introduction of Belt Filter Press Dewatering Machine
The belt filter press dewatering machine is a high-efficiency industrial separator designed for the continuous removal of water from organic and inorganic sludge. By applying mechanical pressure to a chemically conditioned slurry sandwiched between two tensioned, porous belts, the machine produces a solid “filter cake” with significantly reduced volume.
It is widely utilized in municipal wastewater treatment plants, paper mills, chemical processing, and mining tailings, the belt filter press is the industry standard for high-volume, cost-effective liquid-solid separation. Its ability to operate continuously, without the downtime associated with batch filter presses, makes it an essential asset for large-scale production lines.
Advantages of Belt Filter Press Dewatering Machine
01
High Separation Efficiency
High separation efficiency with low energy consumption and noise-free operation.
02
Flexible Operation
Adjustable operating intervals for periodic or cyclic running, supporting fully automatic and manual control.
03
Long Service Life
Specialized corrosion-resistant treatment and automatic filter-belt alignment correction ensure stable, reliable performance.
04
24/7 Automated Operation
Supports 24/7 automated operation with a single operator and a user-friendly design for simple operation and maintenance.
05
Self-Cleaning Design
A rationally designed structure with self-cleaning capabilities significantly reduces routine maintenance and repair workload.
06
Wide Application Range
Suitable for municipal sludge, industrial wastewater sludge, food processing waste, and other high-moisture materials.
Working Principle of Belt Filter Press Dewatering Machine
The Four Stages of Dewatering:
Flocculation Zone (Pre-treatment): Before entering the press, the slurry is mixed with polymer (flocculant) in a conditioning tank. This causes fine particles to clump together into "flocs," making the water easier to separate.
Gravity Drainage Zone: The conditioned slurry is distributed onto the moving upper belt. Gravity removes the vast majority of "free water" as the sludge travels across a horizontal drainage section.
Wedge Zone: The sludge is sandwiched between the upper and lower belts. The gap between the belts gradually narrows, applying gentle pressure to stabilize the sludge and prepare it for high-pressure extraction.
High-Pressure "S" Zone: The belts travel through rollers in "S" pattern. The alternating curvature creates powerful shear forces and high pressure, squeezing the remaining moisture out through the belt pores.
Specifications of Belt Filter Press Dewatering Machine
| Model | DYLT1000 | DYLT1500 | DYLT2000 | DYLT2500 | DYLT3000 |
| Belt Width (mm) | 1000 | 1500 | 2000 | 2500 | 3000 |
| Power (kw) | 2.2 | 3.0 | 4.0 | 5.5 | 7.5 |
| Water pressure for screen flushing | ≥0.5 | ≥0.5 | ≥0.5 | ≥0.5 | ≥0.5 |
| Compressed Air Consumption (㎡/min) | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 |
| Compressed Air Pressure (Bar) | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
| Dimension: L*W*H (mm) | 5180*1640*2280 | 5180*2240*2280 | 5180*2640*2280 | 5180*3140*2280 | 5180*3640*2280 |
| Feeding Moisture (%) | 76-90% | 76-90% | 76-90% | 76-90% | 76-90% |
| Dregs Moisture(%) | 50-70 | 50-70 | 50-70 | 50-70 | 50-70 |
| Feeding Capacity (T/D) | 30-40 | 40-50 | 50-70 | 70-90 | 90-120 |
Notice:
1. Any change of technical data shall not be advised additionally.
2. Parameters above are for reference; final configuration is tailored to your material and capacity.
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With drying projects running across the globe, Dongding has earned long-term trust through reliable quality and responsive after-sales service.
Frequently Asked Questions
Common questions about our rotary dryers — pricing, customization, installation and after-sales.
A:
Please share your raw material, initial and target moisture content, required capacity (t/h), available fuel or heat source, and your target market. With these details our engineers can recommend the right model and send an accurate quotation.
A:
As a manufacturer, we accept orders starting from a single machine. We can also deliver complete drying production lines with auxiliary equipment such as hot air furnaces and dust collectors. Contact us for tailored pricing.
A:
Standard models are usually delivered within 25-40 days after the deposit. Customized machines or larger production lines may take longer depending on the configuration. The exact schedule is confirmed in your contract.
A:
Yes. Every dryer is engineered around your material, capacity, moisture and site layout. Heat source, material of construction, dust collection and automation level can all be customized to your process.
A:
Yes. We provide installation guidance, commissioning, operator training and lifetime after-sales support. Our engineers can also travel to your site, and all equipment comes with a warranty.
