Diemme Filter Plate
Diemme filter plates are available in recessed chamber and membrane plate configurations for solid-liquid separation applications. The plates are manufactured in sizes from 500 x 500 mm up to 5,000 x 5,000 mm , with materials including polypropylene, carbon steel, PVDF, and others depending on process temperature and chemical composition requirements. GHT series plates for fast-cycling mining applications operate at up to 15 bar working pressure with plate counts up to 141 and filtration areas up to 2,900 m² . GHT 4×4 series plates operate at 15-30 bar with sizes from 1200 to 2500 mm and filtration areas from 100 to 2,200 m² . Membrane technology enables variable-volume chambers for washing and drying stages. OEM parts ensure guaranteed fit and function. Suitable for mining, mineral processing, chemical, and industrial wastewater applications.
Table of Contents
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PRIMARY USES
1. Solid-Liquid Separation in Industrial and Mining Processes
Primary Use: Filter plates are the core components of Diemme filter presses, used for solid-liquid separation in mining, mineral processing, chemical, and industrial wastewater treatment applications. Essential for dewatering concentrates, tailings, and various slurries to recover valuable solids and produce clean filtrate.
How it helps: For process engineers and plant operators, Diemme filter plates deliver efficient cake formation and filtration performance. The plates are available in various sizes (from 500 x 500 mm up to 5,000 x 5,000 mm). Diemme filter presses feature two main plate technologies: recessed chamber plates (for standard filtration) and membrane plates with variable-volume chambers (for applications requiring washing stages with solvents or drying stages with compressed air) . The plates are customisable to handle a diverse range of products and process conditions, with different material options available depending on the process temperature and chemical composition of the product to be filtered.
2. Membrane Technology for Enhanced Performance
Primary Use: Membrane plates are equipped with flexible membranes on the filtration surface that enable variable-volume chambers for squeezing and dewatering filter cakes.
How it helps: When the application requires washing stages with solvents or drying stages with compressed air, special plates with variable-volume chambers are necessary . The membrane plates allow for additional mechanical pressing of the filter cake after initial filtration, reducing moisture content and improving cake dryness. This technology significantly enhances the efficiency of the filtration process, particularly in mining applications where dewatering is critical for downstream handling and transport of concentrates and tailings.
SECONDARY USES
1. Filter Cake Washing: Membrane plates enable washing stages with solvents to remove impurities from filter cakes.
2. Cake Drying: Compressed air drying stages can be implemented with membrane plates for further moisture reduction.
3. Fast-Cycling Applications: In high-throughput applications such as mining concentrates and tailings, Diemme GHT F filter presses with specialised plate systems are developed for fast cycling operation .
4. Heavy Duty Mining: The GHT series with sizes from 1200 to 2500 mm provides high productivity for demanding mining applications, with plate counts ranging from 38 to 246 and filtration areas from 100 to 2,200 m² .
5. High-Pressure Applications: Diemme plates can operate at working pressures from 0 to 30 bar depending on the plate size, model, and application requirements .
1. BASIC IDENTIFICATION ATTRIBUTES
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Device Type: Filter plate; not a medical device.
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Brand: Diemme Filtration
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Configurations: Recessed chamber plates (standard), membrane plates (variable-volume chamber)
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Sizes: 500 x 500 mm up to 5,000 x 5,000 mm
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Materials: Polypropylene (standard), carbon steel, PVDF, and others depending on application requirements
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Country of Origin: Italy
2. GHT SERIES TECHNICAL DATA (Fast-Cycling Mining Applications)
Model |
Working Pressure |
Plate Count |
Cake Volume |
Filtration Area |
Length |
Empty Weight |
1500 |
0-15 bar |
31-81 |
2000-7700L |
105-208 m² |
12250-22250 mm |
25,000-40,000 kg |
2500 |
0-15 bar |
31-141 |
5600-37550L |
285-1337 m² |
14000-36000 mm |
59,000-154,000 kg |
5000 |
0-15 bar |
51-141 |
25000-71000L |
1000-2900 m² |
19000-37000 mm |
200,000-400,000 kg |
Source: Diemme GHT F specifications
3. GHT 4X4 SERIES TECHNICAL DATA (High-Productivity Mining Applications)
Model |
Working Pressure |
Plate Count |
Cake Volume |
Filtration Area |
Length |
Empty Weight |
1200 |
15-30 bar |
38-187 |
1251-6500L |
100-400 m² |
7000-16000 mm |
15,000-30,700 kg |
1500 |
15-30 bar |
81-182 |
5000-11000L |
300-700 m² |
11500-17500 mm |
31,500-46,000 kg |
2000 |
15-30 bar |
80-246 |
9000-25000L |
600-1650 m² |
11700-24700 mm |
55,000-105,000 kg |
2500 |
15-30 bar |
85-231 |
10000-43000L |
850-2200 m² |
12000-26000 mm |
79,000-200,000 kg |
Source: Diemme GHT specifications
4. PHYSICAL & OPERATIONAL PROPERTIES
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Plate Opening System: Fast cycling filter presses feature accordion-style opening and carousel plate sliding systems for significantly reduced cake discharge time
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Plate Cloth Changing: Rapid cloth changing system enables quick maintenance and reduced downtime
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Plate Alignment Control: Laser alignment system (on GHT 4x4) controls regular plate pack alignment and stops the filter press in case of anomalies
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Automation Levels: Available in semi-automatic, automatic, and fully automatic configurations
5 .SAFETY & COMPLIANCE ATTRIBUTES
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Safety Classification: Industrial filtration equipment; standard industrial safety measures apply.
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Safety Features: Photoelectric barriers for operator protection, integrated service platforms for maintenance access from above
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Compliance: CE certified; designed to meet relevant industry standards.
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OEM Parts: OEM parts from Diemme Filtration ensure correct fit and function, with warranty on spare parts.
1. SAFETY PRECAUTIONS
Personal Protective Equipment (PPE): Always wear appropriate PPE, including safety goggles, hard hats, hearing protection, gloves, and steel-toed boots when handling or installing filter plates.
Lockout/Tagout: Always isolate and lock out the filter press from its hydraulic and pneumatic power sources before beginning any maintenance or installation work.
Lifting: Use appropriate lifting equipment for heavy plate components. Filter plates can be large and heavy; especially in larger presses where individual plates may weigh hundreds of kilograms.
Access: Use integrated maintenance platforms or stairs to access the top of the machine for safe cloth maintenance operations .
Training requirement: Maintenance personnel must be properly trained on the safe and correct procedures for handling and installing filter plates on the specific Diemme filter press model.
2. FIRST AID MEASURES
Eye Exposure: If slurry or chemicals splash into the eyes, flush immediately with plenty of clean water for at least 15 minutes, holding eyelids open. Seek medical attention.
Skin Contact: Remove contaminated clothing. Wash exposed skin with soap and water. If irritation develops or chemical burns occur, seek medical attention.
Inhalation: If chemical fumes or dust are inhaled, move to fresh air. If symptoms persist (coughing, difficulty breathing), seek medical attention.
3. FIRE FIGHTING MEASURES
Flammability: Filter plates (typically polypropylene) are combustible. Use extinguishing media appropriate for plastic fires.
Extinguishing Media: Use water spray, foam, dry chemical powder, or carbon dioxide (CO₂) for fires involving filter plates.
Fire Response: In the event of a fire, evacuate the area and call emergency services. Use appropriate extinguishers.
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