Order Code	Product Name
L-02-02-M04	Laboratory Electric Stirrer for High Viscosity Mineral Slurry Mixing

Laboratory Electric Stirrer for High Viscosity Mineral Slurry Mixing

Brief Introduction

FKN PANDA Laboratory Electric Stirrer is a high-torque mixing device designed for mineral slurry blending, wet chemical testing and hydrometallurgical laboratory applications. Controlled by a microcomputer system and driven by a maintenance-free DC brushless motor, it provides stable stirring performance for high-viscosity liquids and long-duration laboratory operations.

With adjustable speed control, digital display, countdown timing and automatic power compensation functions, the stirrer maintains consistent mixing conditions under high-load working environments. Supporting maximum stirring volumes up to 30L and viscosity up to 30000Ps, it is suitable for mineral sample preparation, reagent mixing, slurry conditioning and laboratory quality control procedures.

Application Scope

This laboratory electric stirrer integrates with standard mining laboratory workflows including mineral sample preparation, metallurgical testing, mineral analysis and hydrometallurgical experimental procedures.

Mineral Sample Preparation

The equipment homogenizes high-viscosity mineral slurries, ground ore suspensions and mixed reagent solutions. Strong torque output reduces particle sedimentation during extended stirring periods, maintaining uniform sample conditions before subsequent elemental analysis and laboratory testing.

Metallurgical Testing and Mineral Analysis

The stirrer provides stable mixing for standard reagent solutions, ore leachates and experimental suspensions. Adjustable speed and programmable timing help maintain consistent operating conditions across parallel test groups, improving repeatability during mineral testing and comparative experiments.

Hydrometallurgical Laboratory Applications

The unit supports continuous stirring during leaching experiments, precipitation reaction studies and slurry conditioning of mineral concentrates and tailings materials. Its high-viscosity processing capability enables stable mixing conditions for laboratory wet metallurgy evaluation.

Features

• High torque stirring performance: The powerful motor system supports mixing of viscous mineral media and dense slurries that require stronger stirring capability than conventional laboratory stirrers.

• Microcomputer control system: Touch-key operation and digital display provide real-time speed monitoring and countdown timing for convenient parameter control and laboratory traceability.

• Maintenance-free DC brushless motor: The motor design enables low-noise continuous operation with automatic power compensation to maintain stable torque under high-load stirring conditions.

• Flexible container compatibility: The penetrating stirring impeller structure allows convenient container replacement during experiments, improving workflow flexibility for different batch testing requirements.

• Safety protection functions: Built-in overload protection prevents equipment damage during demanding operations, while automatic power-off after timed operation improves laboratory safety and energy efficiency.

• Wide application adaptability: Multiple power and speed configurations, together with different stirring rod options, support various container sizes, liquid volumes and experimental requirements.

Specification

Parameter Item	Standard Model Technical Data
Stirring Speed Range	50–2000 rpm
Rated Power	200 W
Maximum Torque	150 Nm
Timing Range	0–999 min
Maximum Stirring Viscosity	30000 Ps
Maximum Stirring Volume	30 L
Clamping Stirring Rod Diameter	0.5–10 mm
Input Voltage	110V 60Hz / 220V 50Hz
Overall Dimension	300 × 220 × 700 mm
Net Weight	12 kg

Optional Custom Specifications

Optional Power Grade	Corresponding Speed Range
60 W	Start up – 3000 rpm
100 W	Start up – 3000 rpm
120 W	60–500 rpm / 240–2000 rpm
160 W	50–2000 rpm

Other Specification for Option

Various stirring rod sizes and stirring paddle types are available to accommodate different mineral slurry viscosities, container capacities and laboratory mixing requirements.

Why Choose FKN PANDA

FKN PANDA Laboratory Electric Stirrer provides reliable testing consistency through precise speed control and stable torque output. Uniform mixing performance reduces component separation in mineral slurries and reagent solutions, supporting repeatable laboratory analysis results.

The equipment delivers excellent operational reliability with a maintenance-free DC brushless motor, overload protection and automatic power compensation functions. These features support continuous operation under high-viscosity and high-load laboratory conditions while reducing maintenance requirements.

It improves laboratory workflow efficiency by combining wide speed adjustment, programmable timing and flexible stirring rod compatibility. The penetrating impeller structure allows container replacement without stopping operation, helping reduce preparation time during batch testing.

Designed for mining and hydrometallurgical laboratories, this stirrer matches mineral slurry mixing, reagent preparation, leaching experiment agitation and wet chemical testing procedures. Its high torque capability supports laboratory processes requiring stable mixing of challenging materials.

The maintenance-friendly motor design reduces long-term operating costs, while multiple power and speed configurations allow laboratories to select suitable equipment specifications according to actual testing requirements.

Electric Stirrer – FAQ

Q1. How to select an overhead electric stirrer for high-viscosity slurry mixing in hydrometallurgical laboratory workflows?

Selecting an overhead electric stirrer for mining laboratory applications requires consideration of slurry characteristics, viscosity, vessel size, mixing objectives, and experimental conditions. In hydrometallurgical workflows, electric stirrers are commonly used for slurry agitation, leaching tests, dissolution studies, and process simulation experiments where stable mechanical mixing is required. Key selection factors include motor performance, torque capability, impeller configuration, and chemical compatibility. For new laboratory setups, expansion projects, or equipment replacement, the stirrer should be matched with the complete workflow from sample preparation and mineral testing to metallurgical evaluation.

Q2. What factors should be considered when specifying motor power and torque for ore pulp or concentrate mixing?

Motor power and torque requirements depend on slurry viscosity, solid concentration, mixing volume, impeller design, and the required agitation intensity. Mining laboratories may handle different materials including ore pulp, concentrates, tailings samples, and leaching solutions. Higher viscosity systems generally require careful evaluation of torque capability to maintain stable mixing performance. Selecting appropriate motor specifications helps laboratories achieve consistent sample conditioning and metallurgical testing conditions while avoiding unsuitable operating conditions that may affect experimental repeatability.

Q3. How does impeller selection affect mixing efficiency in mining laboratory applications?

Impeller selection has a significant influence on flow pattern, suspension performance, and mixing uniformity during laboratory-scale mineral processing tests. Different impeller designs may be suitable for applications such as slurry mixing, reagent preparation, dissolution testing, or leaching experiments. The selection should consider vessel geometry, solution properties, solid content, and required mixing objectives. Proper impeller matching helps improve consistency between test batches and supports reliable evaluation during hydrometallurgical research and metallurgical process development.

Q4. How to integrate overhead electric stirrers into a complete hydrometallurgical test and pilot plant workflow?

Overhead electric stirrers can support key stages of hydrometallurgical testing, including slurry preparation, reagent mixing, leaching experiments, and process condition evaluation. Within a mining laboratory workflow, prepared ore samples are subjected to controlled testing before metallurgical decisions are made. Effective integration requires matching the stirrer configuration with reactor vessels, experimental procedures, and operating requirements. For laboratory expansion or pilot-scale research, the equipment should be considered as part of an overall testing system rather than as an independent mixing device.

Q5. Can electric stirrers handle continuous operation for extended leaching test campaigns?

Electric stirrers can be applied in extended laboratory testing when their design and operating conditions are suitable for continuous mixing requirements. Long-duration hydrometallurgical experiments may involve sustained agitation for leaching studies, dissolution tests, or process simulation work. Before selecting equipment for continuous operation, laboratories should evaluate factors such as motor stability, mechanical components, chemical resistance, and maintenance requirements. Proper application planning helps maintain reliable performance during extended metallurgical testing programs.

Q6. What impeller material is suitable for aggressive acid or alkaline solution mixing?

Impeller material selection should be based on chemical compatibility, operating temperature, solution characteristics, and the specific laboratory application. Mining laboratories may perform tests involving acidic leaching solutions, alkaline systems, or other chemically active environments. Materials such as stainless steel or coated components may be considered according to the chemical requirements of the process. Choosing suitable materials helps reduce corrosion risks, maintain equipment reliability, and support consistent mixing conditions during mineral processing and hydrometallurgical experiments.

Q7. Which parameters most influence mixing uniformity and power consumption in electric stirrer operations?

Mixing uniformity and power consumption are influenced by multiple factors, including impeller design, rotation speed, slurry viscosity, solid concentration, vessel geometry, and mixing duration. In mining laboratory applications, these parameters directly affect how effectively samples and solutions are homogenized during leaching or mineral processing tests. Laboratories should evaluate operating conditions according to the specific material characteristics and experimental objectives. Proper parameter selection supports repeatable test procedures and more reliable interpretation of metallurgical results.

Q8. What maintenance is required for long-term operation of electric stirrers in mining laboratories?

Routine maintenance of electric stirrers includes inspection of the motor system, shaft components, impellers, seals, and control functions according to manufacturer recommendations. Mining laboratory environments may involve continuous testing, abrasive mineral samples, and chemically active solutions, making regular equipment checks important. Cleaning procedures and component inspections also help reduce contamination risks between different test materials. Proper maintenance supports stable operation during long-term leaching experiments, pilot-scale simulations, and laboratory process evaluation activities.

Q9. What safety considerations are important when operating electric stirrers with corrosive or hazardous solutions?

Safety considerations for electric stirrer operation include proper equipment installation, suitable material selection, secure vessel setup, and compliance with laboratory chemical handling procedures. Hydrometallurgical laboratories may work with corrosive reagents, concentrated solutions, or specialized testing environments requiring careful risk management. Operators should evaluate factors such as chemical compatibility, mechanical stability, and operating conditions before use. Appropriate safety practices help reduce operational risks while supporting reliable mixing performance in mineral testing and metallurgical research workflows.

Q10. How to correlate electric stirrer mixing parameters with leaching kinetics and metal recovery results?

Electric stirrer parameters such as speed, torque, impeller configuration, and mixing duration can influence slurry conditions during leaching experiments. In metallurgical testing, controlled agitation helps maintain consistent contact between mineral particles and process solutions, supporting evaluation of reaction behavior and extraction performance. To establish meaningful correlations, laboratories should maintain consistent test conditions and document operating parameters throughout experiments. Proper stirrer selection and process control contribute to reliable data generation for hydrometallurgical studies and mineral processing decisions.

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