Category
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Order Code |
Product Name |
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L-01-11-M06 |
Laboratory Fiberglass Spiral Chute for Fine Mineral Gravity Separation Testing |
The Laboratory Fiberglass Spiral Chute is a high-efficiency gravity separation device designed for fine and ultra-fine mineral particle beneficiation tests. Based on mature industrial spiral separation principles, this static separation equipment uses a variable-slope curved cross-section structure to process mineral particles ranging from 0.02 mm to 0.3 mm.
Constructed with durable fiberglass and integrated wear-resistant separation layers, the spiral chute provides stable classification performance and long service life. With no moving mechanical components, it delivers reliable density-based mineral sorting for metallic and non-metallic materials while providing repeatable experimental data for mineral processing research and gravity separation validation.
The Laboratory Fiberglass Spiral Chute is applied in mineral processing laboratories, metallurgical research institutions, universities, and mining research departments for fine mineral separation testing and beneficiation evaluation.
The equipment performs gravity separation and purification tests for fine-grained minerals including iron, tin, tungsten, tantalum, niobium, gold, coal, monazite, rutile, and zircon. It separates valuable minerals from gangue materials according to density differences, producing test samples for elemental analysis and grade evaluation.
The spiral chute supports evaluation of fine and ultra-fine ore separation characteristics by testing operating conditions such as pulp density and feeding conditions. It provides experimental data for beneficiation process research and gravity separation workflow design.
Suitable for university teaching laboratories, institutional mineral research, and pre-production testing, the equipment provides laboratory results that can be referenced for industrial spiral chute process evaluation.
The variable-slope curved cross-section design is developed for fine and ultra-fine particle separation, improving mineral stratification performance and supporting stable density-based sorting.
High-strength fiberglass material combined with integrated wear-resistant separation layers provides structural stability and supports repeated laboratory testing under continuous slurry contact conditions.
The multi-pipe ore distributor ensures consistent pulp feeding and stable material distribution, reducing feeding deviation and maintaining repeatable separation conditions during each test.
Tail-end valve blocks allow flexible adjustment of product sorting width, enabling classification into multiple qualified products according to different experimental requirements.
The fully static structure contains no moving mechanical parts, resulting in quiet operation, simplified maintenance procedures, and improved laboratory management efficiency.
Multiple diameter and pitch specifications are available to match different mineral characteristics, testing capacities, and laboratory experimental scales.
| Parameter | Standard 600mm Model | Optional 400mm Model |
|---|---|---|
| Outer Diameter | 600 mm | 400 mm |
| Pitch Options | 450 mm, 360 mm, 270 mm | 240 mm, 180 mm |
| Pitch-Diameter Ratio | 0.75, 0.6, 0.45 | 0.6, 0.45 |
| Transverse Inclination Angle | 9° | 9° |
| Maximum Spiral Heads | 3 | 2 |
| Feed Particle Size | 0.02–0.2 mm | 0.02–0.2 mm |
| Feed Pulp Density | 25–55% | 25–55% |
| Production Capacity | 0.8–1.2 t/h | 0.15–0.2 t/h |
| Overall Dimensions (L×W×H) | 700×700×2600 mm | 460×460×1500 mm |
| Net Weight | 150 kg | 50 kg |
FKN PANDA Laboratory Fiberglass Spiral Chute combines a variable-slope curved structure with uniform pulp distribution technology to maintain stable mineral stratification and repeatable fine particle separation results for laboratory evaluation.
The fiberglass body and wear-resistant separation surface provide durability during repeated slurry testing. The static structure without moving components reduces mechanical failure risks and simplifies maintenance requirements.
Simple operation, low maintenance requirements, and flexible pitch configurations help reduce experimental adjustment time while supporting diverse fine mineral separation research tasks.
Designed according to industrial gravity separation principles, the equipment integrates into mineral sample preparation, beneficiation condition evaluation, and pilot process research workflows for fine mineral resources.
The corrosion-resistant fiberglass structure reduces replacement requirements, while static operation lowers operational consumption. Multiple specifications allow laboratories to select suitable configurations according to testing scale without unnecessary investment.
Q1. How does spiral trough profile design affect heavy mineral separation efficiency in laboratory-scale testing?
The spiral trough profile plays an important role in controlling slurry flow behavior, mineral stratification, and separation performance during laboratory gravity concentration tests. The design influences how heavy and light mineral particles move along the spiral surface under combined gravity, centrifugal force, and water flow effects. For mineral processing laboratories, selecting a suitable spiral configuration helps obtain representative results during evaluation of ores such as chrome, tungsten, tin, zircon, and other heavy mineral deposits. Proper testing conditions should consider feed characteristics, particle size distribution, pulp density, and target separation objectives to support reliable metallurgical evaluation.
Q2. What factors should be considered when selecting a laboratory spiral concentrator for mineral processing studies?
Selection of a laboratory spiral concentrator should be based on the characteristics of the ore sample and the objectives of the mineral testing program. Important considerations include feed particle size range, mineral density difference, sample volume, slurry properties, and required concentrate quality evaluation. The equipment should support the laboratory workflow from sample preparation and gravity separation testing to metallurgical assessment. For new laboratory setup, expansion projects, or equipment replacement, engineers should evaluate configuration flexibility, operational stability, and compatibility with different mineral processing research requirements.
Q3. Can a laboratory spiral concentrator be used for evaluating different heavy mineral separation applications?
A laboratory spiral concentrator can be applied for gravity separation studies involving various heavy mineral systems where there is sufficient density contrast between valuable minerals and gangue materials. It is commonly used in research and testing programs for minerals such as chrome, tungsten, tin, zircon, and other heavy mineral resources. During testing, operators can evaluate mineral distribution, concentrate quality, and separation behavior under controlled laboratory conditions. The results can provide technical reference for further process development and comparison with other gravity separation methods.
Q4. How does feed pulp density affect separation performance in laboratory spiral concentration tests?
Feed pulp density directly influences slurry flow conditions, particle movement, and mineral band formation on the spiral surface. Excessively high pulp density may reduce particle stratification and increase interference between valuable minerals and gangue, while unsuitable low density may affect separation efficiency and test representativeness. For reliable laboratory results, pulp density should be controlled according to ore characteristics, particle size distribution, and testing objectives. Consistent feed preparation helps improve repeatability during mineral processing evaluation and supports more accurate process decisions.
Q5. How does wash water addition affect concentrate grade during spiral separation tests?
Wash water plays an important role in controlling the separation environment on a laboratory spiral concentrator. Appropriate wash water conditions can assist in improving the removal of lighter gangue particles and refining the separation boundary between concentrate and tailings streams. However, excessive or insufficient water flow may influence concentrate grade and recovery balance. Laboratory technicians should optimize wash water settings according to mineral properties, feed conditions, and the purpose of the test program to achieve meaningful gravity separation evaluation results.
Q6. What factors should be considered when establishing spiral concentration testing capability in a new mineral processing laboratory?
When establishing spiral concentration capability in a new mineral processing laboratory, engineers should consider the types of ores to be evaluated, expected sample volumes, testing procedures, and integration with existing laboratory workflows. The spiral concentrator should support systematic evaluation from prepared ore samples through gravity separation testing and metallurgical analysis. Additional considerations include operator requirements, maintenance accessibility, and compatibility with other laboratory equipment used for mineral processing studies. Proper planning helps laboratories develop reliable testing capability for exploration, process evaluation, and plant optimization projects.
Q7. How does feed particle size distribution affect spiral separation efficiency?
Feed particle size distribution has a significant influence on particle movement and separation behavior within a spiral concentrator. Heavy minerals with suitable size ranges can stratify more effectively, while excessive fine particles or coarse fractions may affect slurry flow and reduce separation selectivity. Before spiral testing, representative sample preparation and particle size analysis are important steps in the mining laboratory workflow. Understanding feed characteristics allows engineers to select appropriate operating conditions and interpret test results more accurately during mineral processing studies.
Q8. What maintenance is required for long-term operation of a laboratory spiral concentrator?
Regular maintenance of a laboratory spiral concentrator focuses on maintaining surface condition, structural integrity, and stable operating performance. Routine inspections should include checking the spiral surface for wear or damage, verifying feed and water distribution components, and ensuring that moving or supporting parts remain in proper condition. Cleaning after testing is also important to prevent mineral residue accumulation and cross-contamination between different ore samples. Effective maintenance practices support continuous laboratory operation and help maintain consistent test conditions during repeated mineral processing experiments.
Q9. How can laboratories improve the repeatability of spiral concentration test results?
Improving repeatability in spiral concentration testing requires consistent control of key operating variables, including feed preparation, particle size distribution, pulp density, feed rate, and water conditions. Operators should follow standardized testing procedures and maintain stable equipment settings throughout comparative studies. Proper sample handling and accurate recording of test parameters also help reduce variation between experiments. These practices allow mineral processing engineers to better evaluate separation performance and make more reliable decisions during metallurgical research and process development.
Q10. When should a mineral processing laboratory incorporate spiral concentration testing into its gravity separation evaluation program?
A mineral processing laboratory should consider incorporating spiral concentration testing when gravity separation evaluation requires continuous-flow assessment of heavy mineral recovery behavior. Spiral testing is particularly useful when investigating ores containing density differences between valuable minerals and gangue, including heavy mineral sands, tungsten, tin, chrome, and similar resources. It can complement other laboratory methods such as shaking table tests by providing additional process information. The decision to add spiral testing capability should be based on research objectives, ore characteristics, and the laboratory’s long-term mineral processing evaluation requirements.
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