Order Code	Product Name
L-01-13-M09	Intelligent Laser Particle Size Analyzer for Mining Laboratory & Hydrometallurgy

Intelligent Laser Particle Size Analyzer for Mining Laboratory & Hydrometallurgy

Brief Introduction

The Intelligent Laser Particle Size Analyzer is designed for advanced particle-size measurement in mining laboratories, metallurgical test facilities and mineral-processing applications. Based on a patented combined forward-reverse Fourier optical path system, the analyzer captures full-angle scattered light signals from forward, side and backward directions using a single laser beam, providing reliable particle-size distribution analysis for complex mineral samples.

Compared with conventional multi-beam and multi-wavelength measurement solutions, this optical design helps avoid signal discontinuity deviation and refractive-index errors caused by multiple light sources. The instrument supports particle characterization from nano-scale and micron-scale materials to millimeter-scale particulate samples, meeting diverse mineral laboratory testing requirements.

Equipped with 92 multi-position photodetectors, automatic optical alignment, built-in sample refractive-index measurement, anti-dry-burn ultrasonic dispersion and one-click SOP operation, the analyzer improves measurement repeatability, accuracy and laboratory efficiency. It is suitable for ore powders, concentrates, tailings, leaching residues and other mining-derived particulate materials used in mineral analysis and hydrometallurgical workflows.

With up to five optional dispersion systems and automated testing processes including water feeding, draining, bubble elimination and cleaning, this intelligent laser particle size analyzer supports consistent batch testing performance for mining laboratories, metallurgical research teams and mineral-processing enterprises.

Application Scope

Sample Preparation Laboratory

Used for particle-size distribution testing of crushed and ground mineral powders after comminution processes. Laboratory technicians can evaluate grinding product granularity and obtain supporting data for crushing and grinding parameter optimization in mineral-processing plants.

Mineral Analysis

Suitable for particle-size characterization of ore concentrates, tailings, mineral-processing intermediate products and non-metallic mineral powders including talc, kaolin, graphite, barite, bentonite, zirconium silicate and magnesium oxide. The measured data supports mineral property research and quality inspection.

Metallurgical Testing

Applied in metallurgical laboratories to measure particle characteristics of calcined solids, precipitates and reaction residues generated during metallurgical experiments. Particle-size results assist technicians in evaluating reaction performance and product quality characteristics.

Hydrometallurgy Application

Used for testing feed ore powder entering leaching tanks, solid residues after leaching and precipitated solid products. Particle-size distribution data provides reference information for evaluating leaching behavior, reaction kinetics and solid-liquid separation performance in hydrometallurgical processes.

Industrial Research Laboratory & Distributor Applications

Applicable for powder-related testing in lithium-ion battery raw materials, catalysts, abrasives, ceramic materials and other industrial research fields. It also supports inspection requirements of trading companies and distributors handling mineral and chemical powder commodities.

Features

• Superior Testing Accuracy: The patented combined forward-reverse Fourier optical system reduces measurement deviation associated with conventional multi-beam solutions. Together with built-in refractive-index measurement technology, it improves repeatability for complex mineral particulate samples. Accuracy and repeatability error is ≤0.5% on D50 of certified reference materials.

• Excellent Operational Reliability: Equipped with a high-power polarized fiber laser, 92 multi-angle photodetectors, anti-dry-burn ultrasonic dispersion module and negative-pressure lens protection structure, the analyzer supports stable operation during continuous batch testing in mining laboratories.

• Enhanced Laboratory Efficiency: One-click SOP automatic testing integrates automatic water feeding, draining, de-bubbling and cleaning functions. The fastest single test time is ≤1 second, helping reduce manual operation requirements for high-volume mineral sample analysis.

• High Compatibility with Mining Workflows: Up to five optional dispersion systems support wet and dry measurement applications, covering water-soluble minerals, fragile magnetic mineral samples, high-value trace ore specimens and conventional ground mineral powders.

• Cost-Effective Deployment: One analyzer supports multiple measurement modes and sample types, reducing the need for multiple dedicated instruments. It provides favorable total cost performance for mine laboratories, research institutions and distributor procurement projects.

• Multi-Mode Measurement Capability: Supports Mie scattering theory as the default method, optional Fraunhofer diffraction theory and optional dynamic image module to meet different material-analysis requirements.

Specification

Item	Specification
Measuring Principle	Mie scattering theory (default), Fraunhofer diffraction theory (optional), dynamic image (optional)
Measuring Range	Wet mode: 0.02-2600 μm; extended to 3500 μm with optional image module (D100 measurable). Dry mode: 0.1-2600 μm
Accuracy & Repeatability Error	≤0.5% (D50 deviation against national / international certified reference material)
Accuracy Calibration	Built-in accuracy calibration function
Bimodal Resolution	Grade A compliant with JJF1211-2008 and JJG167-2020, supporting multi-peak distribution identification
Laser Source	High-power fiber polarized laser
Photodetectors	92 units covering forward, lateral and backward directions
Optical System	Patented combined forward-reverse Fourier optical path with tilted sample cell design
Refractive Index Measurement	Built-in patented sample refractive-index measuring function
Dispersion Systems	Up to 5 optional systems including water-medium automatic circulation dispersion, solvent micro-system, solvent circulation dispersion, standard dry-mode feeding and micro dry-mode feeding system
Gas Source	Compressed air or inert gas; pressure 0.1-0.8 MPa (typical working range 0.1-0.4 MPa)
Measurement Modes	Wet: One-click SOP / manual / continuous mode. Dry: Standard dry feeding / micro dry feeding mode
Fastest Single Test Time	≤1 second
Data Security	FDA 21 CFR PART 11 compliant
Compliance Reference	USP429 / EP2.9.38 / ChP 0982; ISO 13320-2020; GB/T 19077-2024; GB/T 41949-2022
Power Supply	100-240VAC, 50/60Hz, 2.5A

Other Specification for Option

• Water-medium automatic circulation dispersion system with built-in anti-dry-burn ultrasonic disperser (0-50W continuously adjustable), automatic water inlet, automatic drain and automatic cleaning.

• Solvent micro-system with 8mL capacity.

• Solvent automatic/manual circulation dispersion system.

• Standard dry-mode auto-feeding system supporting 5-20g samples.

• Micro dry-mode feeding system for milligram-level samples.

• Optional dynamic image module extending wet-mode measurement range to 3500μm.

Why Choose FKN PANDA

FKN PANDA supplies laboratory instruments for global mining companies, hydrometallurgy laboratories, mineral-processing enterprises, research institutions and regional distributors. This intelligent laser particle size analyzer is selected for practical mineral testing conditions involving complex particle morphology, multi-peak distributions and diverse chemical properties of ore-derived powders.

Mining laboratories often face challenges including mixed mineral composition, large-volume batch testing requirements and different sample dispersion characteristics. The analyzer provides multiple dispersion system options to support measurement requirements for water-soluble minerals, magnetic mineral samples, high-value micro-quantity specimens and conventional ground ore powders.

Beyond equipment supply, FKN PANDA provides application-oriented communication support for mineral particle measurement workflows. Our technical team can discuss sample pre-treatment considerations according to ore characteristics and laboratory operating procedures.

We support flexible cooperation models for mine operators, laboratory construction projects and regional distributors. From single-unit laboratory equipment procurement to multi-site laboratory deployment, FKN PANDA provides workflow-compatible particle-size testing solutions with cost-effective total ownership performance.

Laser Particle Size Analyzer – FAQ

Q1. How can a laser particle size analyzer support grinding circuit control in a mineral processing laboratory?

A laser particle size analyzer supports grinding circuit evaluation by providing particle size distribution data from laboratory grinding tests. This information helps mineral processing engineers assess whether grinding conditions achieve the required liberation size before flotation, gravity separation, or other beneficiation processes. By monitoring changes in particle size distribution during grinding experiments, laboratories can evaluate mill performance, compare test conditions, and support process optimization decisions during mineral testing programs.

Q2. How can laser diffraction data be used to determine the P80 of a copper ore sample?

Laser diffraction data can be used to analyze the complete particle size distribution of a copper ore sample and identify the particle size corresponding to 80% passing, commonly referred to as P80. In a metallurgical laboratory workflow, P80 data helps engineers evaluate grinding efficiency and compare different grinding conditions. This information can support copper ore flotation studies, mineral liberation assessments, and laboratory-scale process development.

Q3. Can this analyzer measure wet ore pulp from laboratory grinding experiments?

Many laser particle size analyzers are designed to measure wet mineral suspensions generated during laboratory grinding experiments. Wet measurement allows laboratories to evaluate particle size distribution in conditions closer to actual mineral processing workflows, especially for flotation feed, regrind products, and slurry samples. Proper sample dispersion and concentration control are important to obtain representative results from ore pulp measurements.

Q4. How does particle size distribution affect flotation performance in a mineral testing laboratory?

Particle size distribution is an important factor in flotation testing because mineral liberation, surface exposure, and particle behavior in slurry are closely related to particle size. Oversized particles may reduce liberation efficiency, while excessive ultrafine particles may influence reagent consumption and flotation conditions. Laser particle size analysis provides quantitative data that helps metallurgical engineers understand these effects during laboratory flotation studies.

Q5. How can particle size analysis help identify overgrinding in a laboratory ball mill?

Particle size analysis helps identify overgrinding by showing whether a grinding test produces an excessive amount of fine or ultrafine particles beyond the target range. In mineral processing laboratories, comparing particle size distributions from different grinding conditions allows engineers to evaluate mill parameters and balance liberation requirements with energy efficiency. This supports more informed decisions during grinding and beneficiation studies.

Q6. How should a mining laboratory prepare mineral samples for laser particle size analysis?

Mineral samples should be prepared according to their characteristics, including mineral type, particle shape, moisture content, and measurement method. Proper sample preparation normally includes representative sampling, suitable dispersion, and prevention of particle aggregation. For ore samples such as copper ore, iron ore, tailings, or concentrates, consistent preparation procedures are important for obtaining reliable particle size distribution data.

Q7. What factors influence repeatability when measuring iron ore, copper ore, or tailings?

Repeatability of laser particle size measurement can be influenced by sample homogeneity, dispersion quality, particle concentration, measurement conditions, and operator procedures. Mineral samples with irregular shapes, fine particles, or strong aggregation tendencies require careful preparation and handling. Establishing consistent laboratory procedures helps mining laboratories generate comparable particle size data for mineral testing and process evaluation.

Q8. How does laser particle size analysis compare with sieve analysis for routine ore characterization?

Laser particle size analysis and sieve analysis are both used for particle size characterization, but they serve different laboratory requirements. Sieve analysis is commonly applied for larger particle ranges, while laser diffraction provides detailed particle size distribution information for fine and ultrafine mineral materials. Mining laboratories may select the appropriate method based on sample characteristics, testing objectives, and the requirements of mineral processing studies.

Q9. How can a new mineral testing facility choose between a benchtop and automated particle size analyzer?

The selection between a benchtop and automated particle size analyzer depends on laboratory workload, sample types, testing frequency, and workflow requirements. New mineral testing facilities should consider the expected volume of ore samples, required measurement methods, operator efficiency, and future laboratory expansion plans. The selected configuration should match the laboratory’s mineral testing workflow and long-term operational needs.

Q10. How can particle size testing support hydrometallurgical leaching studies?

Particle size testing supports hydrometallurgical laboratory studies by helping researchers understand how ore particle size influences surface area, mineral exposure, and reaction behavior during leaching experiments. Consistent particle size characterization allows metallurgical engineers to compare different sample preparation conditions and evaluate relationships between grinding, mineral structure, and leaching performance during process development studies.

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