Jaw Crushers
Sealed Jaw Crusher and Sample Divider Combined Sample Preparation Unit for Industrial Coal and Mineral Processing
Item Number: PP-JA25
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Product Overview
This continuous sample preparation system integrates heavy-duty jaw crushing, automated screening, and precision sample division into a single, fully enclosed operational architecture. Designed to replace labor-intensive, multi-step manual procedures, the unit processes bulk materials seamlessly from coarse feed down to reduced, representatively divided fractions. By consolidating primary size reduction, particle classification, and mass division into one automated cycle, the equipment eliminates human handling errors, guarantees sampling accuracy, and substantially increases sample processing throughput in quality verification workflows.
Engineered specifically for processing medium-hard, hard, and brittle materials, the equipment is widely utilized across coal mining, thermal power generation, metallurgy, chemical engineering, geological exploration, and scientific research institutes. It easily handles challenging feedstocks such as run-of-mine coal, commercial coal, iron ore, sinter, clinker, limestone, and geological core samples. The system reduces feed materials to fine output sizes of 13 mm, 6 mm, or 3 mm while concurrently extracting unbiased sub-samples representing 1/2 to 1/8 of the original batch mass.
Built to rigorous manufacturing and testing criteria, the machinery complies fully with standard requirements such as GB474 (Method for Preparation of Coal Samples) and GB/T18666 (Requirements for Quality Inspection and Acceptance of Commercial Coal). Stringent validation confirms that sample preparation precision meets international quality mandates without systematic bias. Featuring robust structural fabrication, an airtight dust containment housing, and low-vibration mechanics, this unit offers dependable continuous operation in demanding industrial laboratories and production environments.
Key Features
- Integrated Multi-Stage Sample Preparation Architecture: Combines jaw crushing, sizing/screening, and sample division into a unified automated workflow, eliminating intermediate manual handling and eliminating human operational bias.
- Strict Standard Compliance and Bias-Free Sampling: Fully validated under GB474 and GB/T18666 guidelines, guaranteeing that divided samples accurately retain the chemical and physical characteristics of the bulk feedstock.
- Fully Sealed Dust-Free Housing: Features a complete dust-containment enclosure that prevents airborne particulate emissions, keeping working environments clean while safeguarding technician health.
- Adjustable Representative Division Ratios: Employs an adjustable division mechanism capable of setting extraction ratios from 1/2 down to 1/8, providing flexibility for diverse sample mass requirements.
- Heavy-Duty Wear-Resistant Crushing Elements: Outfitted with premium alloy steel jaw plates engineered for crushing medium-hard to brittle materials with high efficiency and minimal wear.
- Comprehensive Mechanical Safety Guarding: All rotating drives, belts, and moving mechanical linkages are protected by heavy-gauge safety covers to meet strict occupational safety regulations.
- Foundation-Free Floor Installation: Rigid, dynamically balanced structural chassis allows stable operation on any standard level floor without requiring specialized concrete foundation anchor bolts.
- High-Capacity Dual Drive System: Powered by dedicated heavy-duty motors for the crushing mechanism and division drive, delivering consistent continuous throughput up to 2000 kg/h.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Thermal Power Generation | Rapid preparation of run-of-mine and commercial coal samples for calorific, ash, and moisture testing. | Eliminates sampling bias for precise fuel valuation and compliance with commercial acceptance standards. |
| Metallurgical Mining & Ore Processing | Crushing and dividing iron ore, sinter, pellets, and slag for elemental and mineralogical analysis. | High crushing force handles tough mineral matrices while delivering representatively divided sub-samples. |
| Chemical & Petrochemical Refineries | Size reduction and sub-sampling of raw solid catalysts, inorganic salts, and bulk chemical feedstocks. | Sealed design prevents fugitive dust generation and cross-contamination during chemical laboratory testing. |
| Geological Survey & Mineral Exploration | Processing rock cores, drill cuttings, and mineralized field samples for analytical assaying. | Provides uniform size reduction and repeatable fraction division across variable rock hardness profiles. |
| Cement & Building Materials | Sample preparation of limestone, clinker, gypsum, and aggregates for continuous process quality control. | Durable crushing components withstand abrasive materials to ensure long operating lifespans with low downtime. |
| Commercial Inspection & Testing | High-throughput sample preparation in accredited third-party contract laboratories. | Multi-stage continuous operation speeds up sample turnaround times while ensuring audit-compliant results. |
Technical Specifications
| Specification Parameter | Variant Identifier: PP-JA25-60 | Variant Identifier: PP-JA25-100 |
|---|---|---|
| Base Model Code | PP-JA25-60 | PP-JA25-100 |
| Maximum Feed Granulation | ≤ 60 mm | ≤ 100 mm |
| Output Discharge Granulation | ≤ 13 mm to 3 mm | ≤ 13 mm to 38 mm |
| Sample Division Ratio | 1/2 to 1/8 (Adjustable) | 1/2 to 1/8 (Adjustable) |
| Processing Throughput Capacity | 200 – 500 kg/h | 500 – 2000 kg/h |
| Drive Motor Models | Y90L-4 / Y90S-6 | Y112M-4 / Y90S-6 |
| Combined Motor Power | 1.5 kW + 0.75 kW (2.25 kW Total) | 4.0 kW + 0.75 kW (4.75 kW Total) |
| Overall Dimensions (L × W × H) | 950 mm × 550 mm × 1100 mm | 1000 mm × 800 mm × 1400 mm |
| Equipment Total Mass | 300 kg | 450 kg |
| Compliance Standards | GB474, GB/T18666 | GB474, GB/T18666 |
| Operational Enclosure | Fully Sealed Dust-Proof Enclosure | Fully Sealed Dust-Proof Enclosure |
| Installation Requirement | Horizontal Flat Ground (No Anchoring Required) | Horizontal Flat Ground (No Anchoring Required) |
Why Choose This Product
- Uncompromising Engineering Quality: Manufactured using heavy-gauge structural steel and high-tensile alloy components to withstand intensive daily industrial operation.
- Verified Analytical Accuracy: Precision-machined mechanical division components eliminate operator dependency, yielding sub-samples that strictly reflect total batch composition.
- Clean and Safe Work Environment: The fully enclosed design effectively traps fine dust, reducing environmental maintenance and supporting compliance with modern lab hygiene standards.
- Cost-Effective Turnkey Deployment: Self-contained design and foundation-free setup minimize facility preparation costs and simplify installation across diverse plant sites.
- Comprehensive Technical Support: Backed by our specialized material preparation engineering team, offering equipment customization, spare parts support, and expert application assistance.
Contact our sales engineering team today to request a formal quote, discuss custom feed configurations, or evaluate how this system can streamline your laboratory sample preparation workflow.
REQUEST A QUOTE
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