DU Horizontal Vacuum Belt Filter

Common Industry Challenges & Our Solutions

Common Industry Challenges in Horizontal Vacuum Belt Filtration:

• Excessive cake moisture significantly raises transportation, landfill, and drying expenses.

• Inconsistent or low filtration efficiency: caused by changeable slurry characteristics, poor cake release, or blinding, resulting in reduced throughput, frequent stoppages, and overloading downstream dryers or presses.

• Environmental compliance for tailings/FGD gypsum requirements: low residual moisture, high water recovery, and little chemical use.

• High energy, maintenance, and downtime costs: conventional filters have belt wear, vacuum leaks, and cloth regeneration concerns, resulting in increased OPEX and productivity losses.

Hesheng DU Series Solutions:

1. Using multi-zone vacuum control and improved cake formation technology, the DU series produces consistently low cake moisture content, effectively lowering transportation, disposal, and downstream drying costs.
2. Our horizontal vacuum belt filter provides continuous, high-throughput operation thanks to robust belt support systems such as support rollers, slide carpet, air cushion, and friction belt design, which greatly boost productivity and reduce downstream bottlenecks.
3. With high washing efficiency, good water recovery rates, and an optional enclosed dust/fume control design, the system meets stringent tailings, FGD gypsum, and wastewater discharge criteria while decreasing environmental impact and chemical use.

4. The DU series, which has automatic high-pressure filter cloth washing (0.6-1.0 MPa), a modular bolted frame for simple movement and maintenance, remote PLC control, and durable wear-resistant materials, eliminates downtime, lowers maintenance costs, and provides long-term stable operation.

HVBF Technical Specifications | Horizontal Vacuum Belt Filter Parameters

The DU Series horizontal vacuum belt filter is engineered for continuous, high-efficiency solid-liquid separation, particularly suited for fine-particle, high-viscosity slurries such as FGD gypsum, mining tailings, chemical residues, and metallurgical slurries. Below are the key technical parameters.

Features of DU Horizontal Vacuum Belt Filter

• Modular design, flexible assembly and convenient transportation are implemented for structure. Also can deliver the whole assembled equipment after installation and commissioning.

• The filter cloth and rubber belt operating synchronously is applied to the filter, which can be finished the process of continuous feeding, filtering, washing, drying and cloth washing.

• The remote control and local control can be exchanged to achieve unmanned operations.

• On the rubber belt support, we can use rollers, air cushion, pallet and multiple friction belts to reduce the friction resistance and prolong the rubber belt life time.

• Use filtrate or clean water for the cake washing, and collect the filtrate by sections.

• Use high pressure water for cloth washing to increase the cloth regenerative effect and the life span.

• Filtrate discharge types include automatic discharge, high level discharge and auxiliary discharge.

• Gas cover or aluminum plastic Windows can be designed partial closed or totally enclosed for partial insulation or the centralized collection for the volatile gas or steam of slurry.

  
  

Applications of DU Horizontal Vacuum Belt Filter & Proven Performance

Case 1: Advanced Filtration Solution for Rare Earth Carbonate Industry

Hesheng Environmental successfully delivered a customized DU horizontal vacuum belt filter to a leading listed company in the rare earth carbonate sector. This solution features a fully enclosed sliding window design, meeting the industry's stringent precision and process safety standards.

Highlights of this project:

Fully enclosed design ensures gas isolation and enhances operational safety.

Achieves high-precision filtration performance, specifically tailored to rare earth production needs.

Integrated with remote central control systems for intelligent, automated operation.

Demonstrates Hesheng's leadership in environmentally friendly and intelligent filtration technology.

Outcome:

Enhanced process safety, improved filtration efficiency, and recognition as a trusted environmental protection partner in the rare earth industry.

Case 2: Breakthrough in High-Efficiency Filtration for Silicon Slag Treatment

Hesheng's DU vacuum belt filter has achieved significant technological breakthroughs in the filtration of silicon slag, a traditionally challenging application for solid-liquid separation.

Key Benefits Delivered:

High automation reduces labor intensity and improves operational efficiency.

Large capacity enhances throughput while minimizing operational costs.

Replaces less efficient traditional filtration methods, lowering investment and maintenance costs.

Marked improvement in solid-liquid separation efficiency in silicon slag applications.

Customer Feedback:

Clients report significant reductions in operational costs, higher processing efficiency, and excellent overall performance satisfaction.