By combining pressure-driven dewatering with through-flow dewatering, the hyperbaric disc filter provides superior filtration efficiency. Compared with conventional filter presses and ceramic filters, it offers significantly higher processing capacity at the same final moisture content, while enabling a higher degree of automation and fully unattended operation.
This system utilizes a fully enclosed pressure vessel design for high‑efficiency solid‑liquid separation. The filter unit is housed within a sealed pressure chamber, with a belt conveyor positioned beneath the filter discharge chute and a discharge device installed at the head end for automated cake removal.
During operation, the feed slurry is continuously pumped into the filter tank. Simultaneously, compressed air is introduced into the pressure chamber to establish a controlled pressurized environment. As the filter discs rotate, a pressure differential is created between the filter disc and the atmospheric‑vented filtrate separator via the distribution valve. This differential pressure forces the liquid phase through the filter media immersed in the slurry, while the solid particles are retained on the media surface, progressively forming a filter cake.
As the discs continue to rotate, the cake passes through a drying zone to reduce residual moisture before reaching the discharge zone, where it is efficiently stripped from the media. The discharged cake drops onto the conveyor and is transferred to the lower hopper of the discharge device. The system runs continuously; once a predetermined volume of cake has accumulated, the discharge device cycles intermittently to discharge the cake from the system.
The entire sequence—filtration, drying, cake discharge, and material handling—is fully automated, requiring no manual intervention. This ensures reliable, continuous operation with minimal labor and reduced operational risk.
Throughput and Cake Moisture
| Flotation Clean Coal | Raw Coal | Iron Concentrate | Copper Concentrate | Calcium Silicate Slag (Aluminum Industry) |
|---|---|---|---|---|
| Cake moisture≤18% | Cake moisture≤20% | Cake moisture≤8% | Cake moisture≤8% | Cake moisture≤15% |
|
Throughput 0.6-0.8t/m² ·h |
Throughput 0.4-0.6t/m² ·h |
Throughput 0.8-1.2t/m² ·h |
Throughput 0.8-1.0t/m² ·h |
Throughput 0.7-0.9t/m² ·h |
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Flotation tailings
Efficient dewatering of fine tailings and slurriesto reduce moisture and lower disposal costs
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Raw coal slurry
High-capacity dewatering of raw coal slurry for lower moisture and more efficient downstream handling
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Ferrous and non-ferrous metals
High-capacity solid-liquid separation for concentrates, sludges and process residues
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Chemical and environmental industries
Reliable filtration of process sludges, induaner production and compliance
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Intelligent Energy Saving
– A dedicated energy-saving mathematical model analyzes real-time data, including cake thickness, filtrate concentration, feed concentration, and high-pressure air consumption.
– Automatically adjusts key operating parameters such as main unit speed, air supply pressure, and drying-zone differential pressure to optimize operating conditions dynamically.
– Reduces overall energy consumption by more than 30% while maintaining effective dewatering performance.
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Early Fault Detection & Warning
– High-precision cameras, audio sensors, and multiple other sensors are installed inside the pressurized chamber to provide comprehensive real-time equipment monitoring.
– Intelligently identifies and alerts operators to abnormalities such as excessive clearance between moving and stationary discs, air leakage at the chamber door, damaged filter cloth, seal leakage, and discharge failures.
– Shifts equipment management from post-failure response to early anomaly detection, improving operational reliability.
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Predictive Maintenance
– Automatically records equipment and consumable-related alarms and analyzes their frequency and occurrence patterns.
– Identifies potential fault trends based on historical operating data, enabling timely intervention before minor issues develop into major failures.
– Predictive maintenance helps reduce unexpected breakdowns and unplanned downtime while extending stable equipment operating periods.
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Remote Operation & Maintenance
– Enables remote access to the equipment’s on-site PLC for real-time monitoring of operating status.
– In the event of an abnormality, engineers can remotely diagnose and optimize PLC programs, enabling rapid resolution of temporary faults.
– Reduces response time, improves troubleshooting efficiency, and increases equipment availability.
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LLM & Full Lifecycle Knowledge Management
– A dedicated AI large model for the filter press assists users in resolving technical issues encountered during production and operation.
– A centralized knowledge base provides convenient access to operating manuals, maintenance guides, equipment upgrade documentation, and other technical resources.
– Mechanical and electrical components are assigned standardized material codes and managed throughout their lifecycle, with automatic reminders when replacement is due.
– Integrates equipment, consumables, knowledge, and maintenance data into a unified management system, continuously enhancing full lifecycle equipment management.
| Series | Model | Filtration Area (m²) |
Filter Disc Diameter (m) |
Number of Filter Discs (m) |
Filter Disc Speed (r/min) |
|---|---|---|---|---|---|
|
GPJ serires For Coal |
GPJ-60A | 60 | 3 | 5 | 0.4-1.5 |
| GPJ-72 | 72 | 3 | 6 | ||
| GPJ-96 | 96 | 3 | 8 | ||
| GPJ-120 | 120 | 3 | 10 | ||
| GPJ-144 | 144 | 3.6 | 8 | ||
| GPJ-180 | 180 | 3.6 | 10 |
Note:All data is provided for reference only.
| Series | Model | Filtration Area (m²) | Filter Disc Diameter (m) | Number of Filter Discs(m) |
Filter Disc Speed (r/min) |
Pressure Chamber Diameter (mm) |
Maximum Tank Capacity (m³) |
Maximum Operating Pressure (MPa) |
|---|---|---|---|---|---|---|---|---|
|
PY Series for Non-coal |
PY4/1.5-N | 4 | 1.5 | 2 | 0.5-1.6 | 3,136 | 1.01 | 0.5 |
| PY6/1.5-N | 6 | 1.5 | 3 | 0.5-1.6 | 3,136 | 1.48 | 0.5 | |
| PY8/1.5-N | 8 | 1.5 | 4 | 0.5-1.6 | 3,136 | 1.6 | 0.5 | |
| PYH-12 | 12 | 3 | 1 | 0.8-1.6 | 4,656 | 2.2 | 0.6 | |
| PYN-16 | 16 | 2 | 4 | 0.5-2.7 | 3,000 | 3 | 0.5 | |
| PY-20 | 20 | 2 | 4 | 0.5-2.5 | 3,136 | 2.6 | 0.5 | |
| PYNTK-20 | 20 | 2 | 4 | 0.4-1.5 | 3,628 | 4.6 | 0.5 | |
| PY-40 | 40 | 2 | 8 | 0.5-2.5 | 3,136 | 5 | 0.6 | |
| PYNH-40 | 40 | 2 | 8 | 0.5-2.5 | 3,136 | 5.3 | 0.5 | |
| PYNXH-120 | 120 | 3 | 10 | 0.4-1.5 | 4,500 | 18.2 | 0.5 | |
| PYNTK-120A | 120 | 3 | 10 | 0.4-1.5 | 4,900 | 19 | 0.5 | |
| PYNTK-120B | 120 | 3 | 10 | 0.4-1.5 | 4,500 | 17 | 0.5 |
Note:All data is provided for reference only.
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