Order Code	Product Name
L-01-05-M03	Two-Stage Sealed Sample Divider for Mining Laboratory Sample Preparation

Two-Stage Sealed Sample Divider for Mining Laboratory Sample Preparation

Brief Introduction

The FKN PANDA Two-Stage Sealed Sample Divider is a professional automatic sample splitting equipment designed for mining, metallurgical, geological, and coal laboratory applications. Based on multi-point riffle splitting principles and a two-stage sequential separation structure, it enables direct sample division without pre-mixing, simplifying traditional sample preparation procedures.

Driven by an electric motor transmission system with stable deceleration operation, the equipment performs continuous horizontal reciprocating cutting to collect samples from different material layers. This design improves sample representativeness and supports consistent test results for mineral analysis, metallurgical evaluation, and laboratory quality control workflows.

With integrated vibratory feeding, electric mixing, and screening functions, the sealed sample divider provides adjustable splitting ratios while maintaining stable operation. The fully enclosed structure reduces dust diffusion and supports optional external dust discharge connections for cleaner laboratory environments.

Application Scope

The Two-Stage Sealed Sample Divider is widely used in professional sample preparation workflows for mining laboratories, metallurgical laboratories, coal testing laboratories, and geological research facilities. It is suitable for splitting and homogenizing granular materials including iron ore, sintered ore, pellet ore, coal, and coke.

The equipment provides representative subsamples for mineral composition analysis, metallurgical performance evaluation, and beneficiation parameter verification. Through controlled multi-stage splitting, it helps reduce manual sampling variation and improves repeatability during laboratory testing procedures.

With adjustable splitting ratios and uniform electric mixing performance, the equipment adapts to different laboratory testing requirements for mining enterprises, inspection institutions, and research laboratories. It can also support hydrometallurgical sample pretreatment by improving initial particle consistency before further laboratory analysis.

Features

Two-Stage Multi-Point Sample Splitting Structure

The professional two-stage splitting mechanism enables uniform material cutting without pre-mixing. Continuous reciprocating riffle splitting collects samples from multiple material layers, helping maintain representative subsamples for mineral testing and metallurgical analysis.

Adjustable Splitting Ratios for Flexible Laboratory Applications

The sample divider supports stepless adjustable splitting ratios including 1/2, 1/4, 1/8, and 1/16. This flexibility allows laboratories to match different sample preparation requirements and testing workflows.

Integrated Feeding, Mixing and Screening Functions

The built-in vibratory feeding and electric screening modules provide uniform material feeding and improved particle distribution consistency, supporting stable sample preparation performance for different mineral sample batches.

Sealed Structure for Cleaner Laboratory Operation

The fully sealed body design helps reduce dust diffusion during operation and minimizes sample cross-contamination. Optional external dust discharge ports are available for laboratories requiring enhanced dust control.

Stable Transmission and Low Maintenance Operation

Equipped with a stable V-belt and reducer transmission system, the equipment delivers consistent power output and reliable long-term operation. The simplified structure reduces maintenance workload while supporting continuous laboratory batch processing.

Specification

Parameter	Specification
Splitting Particle Size	≤13mm
Splitting Ratio	1/2, 1/4, 1/8, 1/16 (Steplessly Adjustable)
Motor Power	0.75kW (Y90S-6)
Power Supply	Three-phase 380V
Type 6 Model Productivity	400–800 kg/h
Type 6 Model Weight	85kg
Type 6 Model Dimensions (L×W×H)	700 × 500 × 1000 mm
Type 8 Model Productivity	800–1200 kg/h
Type 8 Model Weight	100kg
Type 8 Model Dimensions (L×W×H)	800 × 600 × 1150 mm

Other Specification for Option

The Two-Stage Sealed Sample Divider can be equipped with optional environmental protection dust discharge ports for external dust exhaust. This option supports laboratories with higher requirements for dust control and cleaner sample preparation environments.

Why Choose FKN PANDA

FKN PANDA Two-Stage Sealed Sample Divider is developed for standardized sample preparation processes in global mining, metallurgical, geological, and coal testing laboratories. The two-stage multi-point riffle splitting structure improves sample representativeness without requiring pre-mixing, supporting reliable laboratory testing results.

With adjustable splitting ratios, integrated mixing and screening functions, and two productivity configurations, the equipment provides flexible compatibility with different mineral sample preparation requirements. Its sealed structure helps reduce dust exposure and supports cleaner laboratory operation during continuous batch processing.

The stable electric transmission system, durable construction, and simplified maintenance design provide reliable long-term performance for mining companies, metallurgical research institutions, inspection laboratories, and laboratory equipment distributors.

Dual-Stage Sealed Sample Divider – FAQ

Q1. How to select a dual-stage sealed sample divider for contamination-sensitive laboratories?

Selecting a dual-stage sealed sample divider requires consideration of sample characteristics, contamination control requirements, splitting accuracy, and laboratory workflow conditions. For laboratories handling trace element analysis, rare metal samples, or sensitive mineral testing, sealed sample handling can help reduce external contamination and material loss during division. The equipment should be matched with upstream crushing and preparation processes, as well as downstream analytical requirements. Key selection factors include sample particle size, required split ratio, cleaning procedures, and compatibility with the laboratory’s quality control practices.

Q2. What factors influence accuracy in two-stage sample reduction systems?

Accuracy in two-stage sample reduction systems is influenced by sample homogeneity, feed consistency, particle size distribution, splitting mechanism design, and operating procedures. A properly prepared sample helps improve representativeness during each reduction stage. In mining laboratories, accurate sample division is essential because errors introduced before mineral analysis or metallurgical testing may affect final evaluation results. Standardized feeding methods, regular equipment inspection, and controlled operating conditions help maintain consistent performance across multiple sample batches and support reliable QA/QC workflows.

Q3. How does sealing design reduce dust and sample loss during splitting?

Sealing design helps create a more controlled sample handling environment by limiting dust escape and reducing material loss during the splitting process. In mineral laboratories, enclosed sample division is valuable when processing fine powders, concentrates, or materials requiring contamination control. By minimizing exposure to external conditions, sealed systems can support cleaner sample preparation workflows and improve operator protection. This approach is particularly relevant for laboratories conducting precise analytical testing where sample integrity and consistent material recovery are important considerations.

Q4. Which mineral samples require sealed splitting to maintain integrity?

Sealed splitting is especially suitable for mineral samples where contamination prevention, dust control, or material recovery are important requirements. Applications may include fine mineral powders, concentrates, geological samples, and materials prepared for trace element or rare metal analysis. In mining laboratories, maintaining sample integrity between preparation and testing stages is essential for reliable analytical results. Selecting an appropriate sealed splitting system depends on sample properties, testing objectives, and the level of control required throughout the sample preparation workflow.

Q5. How to optimize splitting ratios in dual-stage systems?

Optimizing splitting ratios in dual-stage systems requires consideration of the original sample quantity, required test portion size, material characteristics, and downstream testing requirements. Laboratories should establish splitting procedures based on their analytical workflow, including sample preparation, mineral testing, and metallurgical evaluation needs. Consistent feeding and appropriate equipment configuration help maintain representative portions throughout both reduction stages. Regular verification of split results as part of QA/QC procedures can support reliable sample preparation and improve confidence in analytical data.

Q6. What are the advantages of dual-stage division over single-stage systems?

Dual-stage division provides an additional reduction step that can help laboratories achieve more controlled sample preparation when working with larger or heterogeneous samples. Compared with a single-stage process, a two-stage approach allows sample reduction to be managed progressively, which may support improved representativeness for certain applications. In mining laboratories, this method can be valuable before assay testing, geochemical analysis, or metallurgical studies where consistent test portions are required. Equipment selection should be based on sample characteristics and laboratory workflow requirements.

Q7. How to prevent cross contamination between different ore samples?

Preventing cross contamination requires proper cleaning procedures, suitable material selection, controlled sample handling, and effective equipment design. For laboratories processing multiple ore types, especially samples for trace analysis or sensitive testing, removing residual material between batches is essential. A sealed sample divider can support cleaner operation by reducing exposure during the splitting process. Laboratories should establish standardized cleaning and inspection procedures to maintain sample integrity and ensure reliable results throughout continuous mineral testing and quality control operations.

Q8. Can sealed dividers be used for trace element and rare metal analysis?

Sealed dividers can be used in workflows involving trace element and rare metal analysis when contamination control and representative sample preparation are critical requirements. These applications often require careful handling because small variations in sample composition may influence analytical interpretation. By supporting enclosed splitting and reducing external exposure, sealed systems can help laboratories maintain sample integrity during preparation. The suitability of the equipment should be evaluated according to sample properties, analytical methods, and laboratory quality management procedures.

Q9. How to ensure repeatability in laboratory sampling workflows?

Repeatability in laboratory sampling workflows depends on consistent sample preparation procedures, stable equipment operation, proper cleaning practices, and standardized operating methods. A dual-stage sealed sample divider can support repeatable division by providing a controlled process for reducing prepared samples into representative portions. Laboratories should define procedures for feeding, maintenance, inspection, and quality checks to minimize variation between batches. Reliable sampling practices contribute to improved confidence in analytical results used for mineral evaluation and metallurgical process decisions.

Q10. What maintenance is required to ensure sealing performance?

Maintenance of dual-stage sealed sample dividers focuses on preserving sealing effectiveness, keeping internal components clean, and ensuring stable operation of the splitting mechanism. Laboratories should regularly inspect sealing areas, remove residual sample material, and follow cleaning procedures suitable for the processed materials. Proper maintenance is particularly important when handling fine powders or contamination-sensitive samples. Establishing routine maintenance practices helps extend equipment service life and supports consistent sample preparation performance during long-term laboratory operation.

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