Choose Automatic Round Filter Press for Efficient Stone Wastewater Treatment

In the stone processing industry (involving materials such as marble and granite), cutting, grinding, and polishing processes rely heavily on large quantities of clean water for cooling and cleaning. This inevitably generates stone processing wastewater containing high concentrations of stone dust particles. To facilitate water recycling, reduce production costs, and comply with increasingly stringent environmental standards, the automatic round filter press—thanks to its exceptional solid-liquid separation capabilities—is emerging as the preferred solution for stone wastewater treatment worldwide.

The Core Challenges of Stone Wastewater Treatment

Stone wastewater is characterized by its high suspended solids content, fine particle size, and abrasive nature. Traditional sedimentation tanks not only occupy a large footprint but also suffer from long cleaning cycles and low efficiency, making it difficult to meet the demands of modern stone processing plants for zero wastewater discharge and high-efficiency output. Minimizing sludge moisture content and enabling the reuse of treated water are key factors in enhancing a plant's competitiveness.

How the Automatic Round Filter Press Works

As an advanced piece of solid-liquid separation machine, the automatic round filter press achieves efficient purification through the following process:

Feeding and Squeezing: Stone wastewater is pumped under high pressure into a filtration chamber composed of high-strength round filter plates.

Precision Filtration: Driven by pressure, the liquid passes through the filter cloth and is discharged, while the solid stone dust particles are retained.

High Pressure Dewatering: A hydraulic or pneumatic boosting system is utilized to apply deep compression to the filter cake.

Automatic Discharge: A PLC control system triggers the opening of the filter plates, allowing the dried filter cake to detach automatically, thereby preparing the unit for the next filtration cycle.

Why Choose the Automatic Round Filter Press

1. Structural Advantages

Compared to traditional square filter plates, the round filter plate structure distributes stress uniformly, effectively preventing leakage issues caused by stress concentration at the edges. Its unique round design maximizes the filtration surface area while significantly reducing the machine's overall footprint.

2. Performance Advantages

The automatic round filter press is specifically engineered for high-pressure filtration applications, capable of reaching a maximum operating pressure of 2 MPa. This enables it to effectively process high-viscosity fluids, fine particles, or materials that are typically difficult to filter. The powerful squeezing force significantly reduces the moisture content of the filter cake; this not only makes the cake easier to load and transport—thereby lowering subsequent disposal costs—but also ensures that the discharged, clarified water can be directly recycled back into the processing line.

3. Operational Advantages

The automatic round filter press integrates an advanced PLC control system, achieving full automation throughout the entire process—from feeding and squeezing to automatic filter cloth cleaning. This ensures production continuity, reduces the need for manual intervention and lowers maintenance costs, while also significantly enhancing machine operational efficiency.

The automatic round filter press is not only an ideal choice for stone industry wastewater treatment but is also widely applied in fields such as ceramic wastewater treatment, mining tailings dewatering, building materials, and chemical processing. It serves as an invaluable asset for enterprises striving to achieve "energy conservation, cost reduction, pollution control, and efficiency enhancement." As a leader in the field of industrial filtration machine, Quanhong Filtration is dedicated to providing professional and reliable solid-liquid separation solutions to stone processing enterprises worldwide.