Order Code	Product Name
L-01-07-M02	Laboratory High-Pressure Membrane Sealed Filter Press for Mining Sample Separation

Laboratory High-Pressure Membrane Sealed Filter Press

Brief Introduction

The Laboratory High-Pressure Membrane Sealed Filter Press is a compact solid-liquid separation device designed for mining laboratories, metallurgical testing centers, scientific research institutions, and pilot-scale process verification. It provides stable filtration performance for mineral slurries, metallurgical samples, and hydrometallurgical residues during laboratory testing workflows.

Adopting membrane sealing and controlled pressure filtration technology, this laboratory filter press delivers consistent separation results while supporting standardized sample pretreatment procedures. Its compact structure, flexible mobility, and multiple specification options make it suitable for laboratories requiring reliable filtration performance within limited working spaces.

Designed for mineral sample preparation, metallurgical experiments, and hydrometallurgical evaluation from laboratory to pilot scale, the equipment helps improve filtration repeatability, sample consistency, and overall laboratory workflow efficiency. It provides a practical filtration solution for mining enterprises, research laboratories, and international laboratory equipment distributors.

Application Scope

The Laboratory High-Pressure Membrane Sealed Filter Press is developed for professional mining and metallurgical laboratory applications, supporting solid-liquid separation requirements throughout sample preparation, testing, and process verification workflows.

Mineral Sample Preparation

Suitable for small-batch filtration and dewatering of crushed ore slurry, washed mineral samples, and tailing pulp. The equipment removes moisture and separates solid materials efficiently, producing standardized samples for subsequent physical property testing and elemental analysis.

Metallurgical Testing

Applied in metallurgical pilot experiments and process verification studies, this filter press provides stable pressure filtration conditions to reduce separation variation caused by manual operation. Consistent filtration performance supports repeatable laboratory test results and reliable process evaluation.

Mineral Analysis

Suitable for pre-treatment and post-test separation of mineral analysis samples. The stable filtration process and 0.8μm filter media help maintain consistent sample processing conditions for qualitative and quantitative mineral analysis workflows.

Hydrometallurgy Application

Widely used for solid-liquid separation of leaching slurry, precipitated suspension, and residual solution in hydrometallurgical research and pilot testing. It supports separation of metallurgical solutions and solid residues for experimental data collection and sample retention.

Laboratory R&D and Pilot Production

Designed for small-batch trial production, formulation testing, and process verification in resource research laboratories and industrial R&D facilities. Multiple filtration configurations allow flexible adaptation to different testing requirements.

Features

Compact Structure with Flexible Laboratory Deployment

The optimized compact design reduces floor occupation and allows convenient relocation between different laboratory workstations. It is suitable for space-limited mining laboratories and pilot testing environments requiring flexible equipment arrangement.

Simplified Operation for Improved Laboratory Efficiency

The equipment adopts an intuitive structural design and simplified operating process, reducing operation complexity during filtration preparation, testing, and routine maintenance. It helps shorten sample treatment cycles and improves daily laboratory productivity.

Stable Filtration Performance for Repeatable Testing

Equipped with 0.8μm precision filter media and stable pressure control ranging from 0.15MPa to 0.3MPa, the filter press provides uniform solid-liquid separation performance. Consistent filtration conditions help reduce experimental deviation and improve repeatability of mineral and metallurgical test data.

Wide Compatibility with Mining Laboratory Workflows

Available with multiple filtration areas, filter plate sizes, and power configurations, the equipment supports different low to medium throughput laboratory requirements. It can be integrated into existing mineral processing, sample preparation, and hydrometallurgical testing workflows.

Cost-Effective Solution for Laboratory Applications

Designed for laboratory-scale and pilot testing applications, the filter press avoids unnecessary investment associated with larger industrial filtration systems. Stable mechanical performance and reduced maintenance requirements provide long-term operational value for laboratories and distributors.

Specification

The Laboratory High-Pressure Membrane Sealed Filter Press supports diversified configurations with different filtration areas, filter plate sizes, filtration pressures, and processing capacities. These options allow flexible selection according to laboratory testing requirements and pilot-scale processing demands.

Layers	Filtration Area (m²)	Filter Plate Size (mm)	Filter Media (μm)	Filtration Pressure (MPa)	Water Flow Rate (t/h)	Motor Power (kW)	External Dimensions (mm)
10	0.078	Φ100	0.8	0.15	0.8	0.55	600×300×600
10	0.17	Φ150	0.8	0.15	1.5	0.75	650×380×650
10	0.34	Φ200	0.8	0.15	2	1.1	650×400×700
10	0.7	Φ300	0.8	0.15	4	1.1	700×500×800
10	1.25	Φ400	0.8	0.15	6	1.1	900×600×1000
16	2	Φ400	0.8	0.15	9	1.5	1000×600×1000
20	2.5	Φ400	0.8	0.2	10	1.5	1100×600×1000
32	4	Φ400	0.8	0.3	13	2.2	1320×600×1000
10	0.4	200×200	0.8	0.15	3	1.1	650×380×650
10	0.9	300×300	0.8	0.15	6	1.1	700×500×800
10	2	400×400	0.8	0.15	10	1.5	900×600×1000
20	3	400×400	0.8	0.15	12	1.2	1100×600×1000
26	4	400×400	0.8	0.2	15	2.2	1150×600×1000
32	5	400×400	0.8	0.2	18	2.2	1200×600×1000
38	6	400×400	0.8	0.3	21	2.2	1300×600×1000
44	7	400×400	0.8	0.3	23	3.0	1350×600×1000

Configuration Options

Item	Available Options
Filtration Area	Multiple filtration areas available to match different laboratory sample processing requirements
Filter Plate Size	Φ100, Φ150, Φ200, Φ300, Φ400, 200×200mm, 300×300mm, 400×400mm configurations
Filter Media	0.8μm precision filter media
Filtration Pressure	0.15MPa, 0.2MPa, and 0.3MPa configurations
Processing Capacity	Suitable for low to medium laboratory filtration and pilot-scale testing requirements

Why Choose FKN PANDA

FKN PANDA specializes in the development and supply of professional mining and metallurgical laboratory equipment, serving global mining enterprises, hydrometallurgical laboratories, scientific research institutions, and industrial distributors. Our laboratory separation equipment is designed around practical testing requirements, focusing on stable operation, workflow adaptability, and long-term laboratory usability.

The Laboratory High-Pressure Membrane Sealed Filter Press combines compact structural design, flexible configuration options, and stable pressure filtration performance to support mineral sample preparation, metallurgical testing, and hydrometallurgical evaluation workflows. With multiple filtration areas, filter plate sizes, and processing capacities available, it can meet different laboratory-scale and pilot testing requirements.

By providing consistent solid-liquid separation conditions, this equipment helps laboratories improve sample processing repeatability, optimize pretreatment procedures, and maintain reliable testing workflows. Its compact footprint, practical operation design, and reduced maintenance requirements provide an economical solution for mining laboratories, research facilities, and global distribution partners.

FKN PANDA provides standardized product supply, technical communication support, and professional service assistance to help customers select suitable laboratory filtration solutions according to their testing requirements and application environments.

Laboratory High Pressure Diaphragm Sealed Filter Press – FAQ

Q1. How to select a high-pressure diaphragm filter press for laboratory applications?

Selecting a high-pressure diaphragm filter press for a mining laboratory requires evaluating slurry characteristics, testing objectives, sample volume, and required dewatering performance. Important factors include mineral type, particle size distribution, solids concentration, filtration pressure requirements, and whether the application involves concentrate dewatering, tailings evaluation, or hydrometallurgical residue testing. The selected equipment should match the laboratory workflow from sample preparation and filtration testing to cake analysis and process evaluation. Proper selection helps engineers obtain representative filtration data for equipment scale-up and metallurgical decision-making.

Q2. What advantages does diaphragm squeezing provide in dewatering efficiency?

Diaphragm squeezing applies additional mechanical pressure after the initial filtration stage, helping improve liquid removal from the filter cake. In mining and metallurgical laboratories, this function is valuable when evaluating concentrates, fine tailings, or residues that retain significant moisture after conventional filtration. Improved dewatering can support more accurate moisture analysis, downstream drying studies, and process optimization. The actual filtration performance depends on slurry properties, filter media selection, operating parameters, and material characteristics, which should be evaluated during laboratory testing.

Q3. How to optimize pressure settings for different mineral slurries?

Pressure optimization for a high-pressure diaphragm filter press depends on slurry composition, particle size, viscosity, and desired cake characteristics. Fine particles, clay minerals, and high-solid-content slurries may require different pressure conditions compared with coarse mineral concentrates. Laboratory engineers typically evaluate filtration pressure together with cycle time, cake structure, moisture content, and filtrate quality to establish suitable operating procedures. Standardized pressure control helps improve repeatability during mineral processing research, hydrometallurgical testing, and tailings dewatering evaluations.

Q4. Which ore types benefit most from high-pressure filtration?

High-pressure diaphragm filtration is commonly considered for mineral applications where efficient solid-liquid separation and reduced cake moisture are important. Typical applications include fine concentrates, flotation products, hydrometallurgical residues, and tailings materials with challenging filtration characteristics. In laboratory studies, this equipment helps evaluate dewatering behavior before selecting suitable process conditions for larger-scale operations. The suitability of high-pressure filtration depends on factors such as mineral composition, slurry properties, and downstream requirements including transportation, drying, storage, or further metallurgical treatment.

Q5. How does sealed design improve safety and environmental compliance?

A sealed filtration design helps contain slurry materials and reduce exposure to process liquids during laboratory operation. This is particularly important when testing mineral samples involving acidic solutions, chemical reagents, or metallurgical residues. By minimizing leakage and improving process control, sealed systems can support cleaner laboratory environments and more consistent sample handling procedures. For mining laboratories conducting hydrometallurgical research or concentrate evaluation, equipment selection should consider both filtration performance and operational requirements related to safety, maintenance, and chemical compatibility.

Q6. How to achieve low moisture content in filter cakes for metallurgical tests?

Achieving lower filter cake moisture requires coordination between filtration pressure, diaphragm squeezing conditions, slurry properties, and filter media selection. In metallurgical laboratories, controlling these parameters helps produce representative samples for drying, chemical analysis, and process evaluation. Engineers should evaluate the relationship between cake formation, filtration time, and moisture reduction rather than relying on a single operating factor. Consistent testing procedures allow laboratories to compare different mineral processing conditions and improve the reliability of dewatering studies.

Q7. What factors influence filtration cycle time in diaphragm presses?

Filtration cycle time is influenced by slurry concentration, particle size distribution, filter cloth permeability, filtration pressure, cake thickness, and material characteristics. Fine or compressible particles may slow liquid drainage, while suitable operating conditions can improve filtration efficiency. In laboratory applications, monitoring cycle stages including filling, filtration, diaphragm squeezing, and cake discharge helps identify optimization opportunities. Understanding these factors supports more efficient testing workflows for mineral processing studies, tailings evaluation, and hydrometallurgical solid-liquid separation research.

Q8. Can this equipment be used for fine tailings or ultrafine concentrates?

High-pressure diaphragm filter presses can be evaluated for fine tailings and ultrafine concentrate applications where conventional filtration methods may have limitations. Fine particles often present challenges due to low permeability and higher moisture retention, making laboratory testing important for determining suitable filtration conditions. By studying slurry behavior, cake formation, and moisture characteristics, engineers can assess whether diaphragm filtration is appropriate for specific materials. The results can support process optimization for tailings management, concentrate handling, and metallurgical recovery studies.

Q9. How to ensure repeatability in high-pressure filtration tests?

Repeatability in high-pressure filtration testing depends on standardized sample preparation, consistent slurry conditions, controlled operating parameters, and proper equipment maintenance. Laboratories should maintain consistent procedures for slurry concentration, filtration pressure, cycle duration, and sample handling. Regular inspection of filter plates, membranes, and sealing components also helps maintain stable performance. Reliable filtration data is important for comparing mineral processing conditions, validating laboratory results, and supporting technical decisions during process development or laboratory expansion projects.

Q10. What maintenance is required for membranes and sealing systems?

Maintenance of diaphragm membranes and sealing systems is essential for safe and stable laboratory operation. Regular inspection should focus on membrane condition, sealing surfaces, filter plates, and connections to identify wear, damage, or leakage risks. Cleaning procedures should be adapted according to the processed slurry and chemical environment to prevent material buildup. Proper maintenance helps extend equipment service life, maintain filtration consistency, and support continuous laboratory testing activities in mineral processing and hydrometallurgical applications.

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