Sieving Machine
Open Riffle Splitter Laboratory Dry Sample Divider
Item Number : KT-CK
Price varies based on specs and customizations
- Feed Particle Size Range
- ≤1 mm to ≤13 mm
- Chute Slot Width
- 5.0 mm to 32.0 mm
- Material Construction
- Galvanized Steel / Stainless Steel
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Product Overview
This open riffle splitter is an essential sample preparation instrument engineered for the rapid, uniform division and reduction of dry bulk particulate materials in analytical laboratories. Operating on gravity-driven mechanical splitting principles, the equipment divides granular mixtures into two equal, representative sub-samples in a single pass. By eliminating operator bias and manual scooping errors, this instrument delivers high-integrity sample dividing that guarantees consistent chemical, physical, and metallurgical analysis results.
Designed primarily for coal chemistry, geology, mineral processing, metallurgy, and construction material quality control, this sample divider accommodates varying feed granularities ranging from fine powders to coarse aggregates. The open architecture provides immediate visual inspection of material flow, ensuring smooth transit through opposing chutes without holdup. It serves as an indispensable tool for research laboratories, industrial testing centers, and inspection agencies that demand rapid turnaround without compromising sampling accuracy.
Constructed with industrial-grade rigidity and precision-machined dividing channels, this dividing apparatus withstands abrasive wear and continuous heavy-duty use. Whether processing abrasive mineral ores, friable coal, or corrosive chemical granules, the unit maintains strict dimensional chute tolerances to protect test reproducibility. Available in multiple metallurgical configurations and channel geometries, the system ensures seamless integration into standardized laboratory workflows.
Key Features
- Precision Alternating Chute Geometry: Engineered with precisely parallel, opposing chutes that discharge alternately to opposite receiving pans, ensuring strict 50:50 multi-point sample reduction that maintains representative particle size distribution.
- Dual Metallurgical Construction Options: Available in heavy-duty galvanized sheet steel for standard non-corrosive laboratory duties and premium polished stainless steel for corrosive, abrasive, or contamination-sensitive analytical environments.
- Full Spectrum Particle Size Handling: Accommodates nominal maximum particle feed sizes from ultra-fine grades under 1 mm up to coarse bulk particulates of 13 mm, matching standard laboratory crushing outputs.
- Non-Bridging Gravity Discharge: Slanted chute channels promote smooth, rapid material flow by gravity alone, eliminating bridging, stagnation, and particle segregation during the dividing sequence.
- Multi-Standard Compliance: Fully aligned with both conventional and revised coal chemistry standards, offering exact slot widths and chute counts tailored to regulatory testing protocols.
- Modular Ergonomic Pan System: Equipped with three closely matched receiving pans designed for smooth feeding, zero-spill material transfer, and efficient split-sample collection.
- Rapid Decontamination Architecture: The open-frame assembly allows effortless brush-cleaning and air-jet purging between batches, eliminating cross-sample contamination in multi-specimen testing regimes.
- Structural Rigidity and Wear Resistance: Reinforced framework prevents chute deflection or structural warping over thousands of operating cycles, ensuring consistent analytical splitting ratios.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Coal & Coke Quality Assaying | Splitting raw coal, pulverized fuel, and metallurgical coke before proximate, ultimate, and calorific value testing. | Strictly complies with coal chemistry test standards, preserving moisture and ash distribution across sub-samples. |
| Mineral Ore & Geochemical Exploration | Sub-sampling crushed core samples, crushed drill cuttings, and flotation concentrates prior to XRF or ICP-OES assay. | Minimizes segregation of dense metallic minerals from lighter matrix rock, avoiding analytical sampling bias. |
| Aggregates & Construction Materials | Dividing sand, crushed gravel, cement clinker, and fine asphalt fillers for sieve grading and material compliance testing. | Resists high-abrasion wear while preventing jamming of irregular crushed stone particles. |
| Metallurgical Slag & Pellet Testing | Handling iron ore pellets, sinter mixes, and smelting slag during blast furnace and electric arc furnace QA/QC procedures. | Delivers durable handling of hard, abrasive fragments without chute channel deformation. |
| Chemical Granules & Fertilizer Testing | Splitting prilled fertilizers, synthetic resins, industrial salts, and catalyst pellets into representative testing fractions. | Stainless steel option avoids chemical attack and eliminates iron contamination in sensitive analytical workflows. |
| Agricultural Grain & Seed Sampling | Dividing bulk cereal grains, oilseeds, and processed feedstocks for moisture, protein, and contaminant determination. | Non-destructive gravity feed preserves grain integrity and prevents premature cracking or dust generation. |
| Soil & Environmental Sediment Analysis | Sub-sampling dried soils, environmental silt, and riverbed sediments for toxic heavy metal and organic pollutant screening. | Eliminates cross-contamination between successive field batches due to rapid and complete chute cleanability. |
Technical Specifications
To meet diverse sample reduction protocols, this equipment line includes both traditional standard configurations and revised modern coal chemistry standard layouts. Built with options for galvanized steel or stainless steel fabrication, each variant matches specific feed sizes, slot widths, and chute counts.
Traditional Coal Chemistry Standard Specifications
| Model Identifier | Specification Grade | Material Construction | Maximum Feed Particle Size (mm) | Chute Slot Width (mm) | Number of Chute Slots |
|---|---|---|---|---|---|
| KT-CK-1A-L | Large (大号) | Galvanized Steel | ≤ 13 | 20.7 | 16 |
| KT-CK-1A-M | Medium (中号) | Galvanized Steel | ≤ 6 | 8.0 | 24 |
| KT-CK-1A-S | Small (小号) | Galvanized Steel | ≤ 3 | 5.0 | 32 |
| KT-CK-2B-L | Large (大号) | Stainless Steel | ≤ 13 | 20.7 | 16 |
| KT-CK-2B-M | Medium (中号) | Stainless Steel | ≤ 6 | 8.0 | 24 |
| KT-CK-2B-S | Small (小号) | Stainless Steel | ≤ 3 | 5.0 | 32 |
Modern Coal Chemistry Standard Specifications
| Model Identifier | Standard Designation | Material Construction | Maximum Feed Particle Size (mm) | Chute Slot Width (mm) | Number of Chute Slots |
|---|---|---|---|---|---|
| KT-CK-1A-4# | 4# Standard | Galvanized Steel | ≤ 13 | 32.0 | 12 |
| KT-CK-1A-3# | 3# Standard | Galvanized Steel | ≤ 6 | 15.0 | 16 |
| KT-CK-1A-2# | 2# Standard | Galvanized Steel | ≤ 3 | 8.0 | 24 |
| KT-CK-1A-1# | 1# Standard | Galvanized Steel | ≤ 1 | 5.0 | 32 |
| KT-CK-2B-4# | 4# Standard | Stainless Steel | ≤ 13 | 32.0 | 12 |
| KT-CK-2B-3# | 3# Standard | Galvanized Steel / SS | ≤ 6 | 15.0 | 16 |
| KT-CK-2B-2# | 2# Standard | Stainless Steel | ≤ 3 | 8.0 | 24 |
| KT-CK-2B-1# | 1# Standard | Stainless Steel | ≤ 1 | 5.0 | 32 |
General Physical & Operational Parameters
| Parameter | Technical Detail |
|---|---|
| Item Series | KT-CK Series |
| Enclosure Format | Open Frame Architecture (敞开式) |
| Alternative Enclosure Availability | Compatible sealed execution available upon request (KT-CK-1AM / KT-CK-2BM) |
| Splitting Ratio | Strict 1:2 Binary Reduction (50% / 50% split per cycle) |
| Chute Incline Angle | Standard gravity-feed discharge angle to facilitate smooth descent |
| Included Accessories | 3 Matching Receiving/Feed Material Pans |
| Corrosion Resistance | Moderate (Galvanized Grade); Superior / Chemical Resistant (Stainless Steel Grade) |
| Cleanability | Direct brush access, compressed air purge, or solvent wash (Stainless models) |
Why Choose This Product
- Guaranteed Analytical Representativeness: Each unit features strict dimensional consistency across all alternating chutes, ensuring multi-point division that prevents segregation errors and maintains sample integrity.
- Industrial Durability Across Demanding Environments: Crafted with heavy-gauge sheet metal and robust structural welding, this divider maintains channel alignment and resists abrasive wear across hundreds of sample runs.
- Full Standards Alignment: By supporting both traditional and revised testing specifications, laboratories can easily choose chute widths and counts that directly align with certified coal and mineral analysis methods.
- Versatile Material Selection: Buyers can select cost-effective galvanized steel for general benchtop sample handling or high-grade stainless steel for acidic, corrosive, or high-purity laboratory applications.
- Comprehensive Process Customization: Supported by KINTEK's vast portfolio of laboratory preparation tools, from crushing and milling to automated sieving, ensuring a fully integrated analytical sample preparation workflow.
Contact the KINTEK technical sales team today to request a quote, determine the optimal chute size for your particle distribution, or discuss customized laboratory sample preparation solutions.
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