Hammer Crusher
Laboratory Sealed Hammer Crusher for Coal and Mineral Sample Preparation
Item Number: PP-HC03
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Product Overview

This sealed hammer crusher is a purpose-built laboratory instrument designed for the rapid, dust-free size reduction of coal, ores, and other medium-hard materials. Engineered in accordance with GB474 and similar sample preparation standards, this system delivers consistent, representative samples essential for quality control and analytical processes. Its robust construction and precision design make it a cornerstone of modern sample preparation workflows.
Primary applications span coal mining, power generation, metallurgy, geological exploration, and material science research. The equipment excels at crushing materials to uniform, adjustable fineness without losing moisture content or introducing contamination—critical factors in achieving accurate analysis results. Users benefit from a compact footprint, straightforward operation, and minimal maintenance requirements.
Confidence in performance is built into every component. The crushing chamber is fabricated from high-strength alloy steel, and the hammers are forged from high-manganese steel, ensuring resistance to wear and impact. Together with a fully sealed housing, these features guarantee reliable operation even under continuous heavy use, protecting both the operator and the sample integrity.
Key Features
- Sealed Crushing Chamber: The fully enclosed design confines dust and particulate matter, creating a cleaner work environment and reducing the risk of cross-contamination between samples.
- Alloy Steel Construction: The work chamber is made from durable alloy steel, which effectively prevents overheating and material build-up, preserving sample moisture and composition.
- High-Manganese Steel Hammers: Full‑width, high‑manganese steel hammers provide complete cross‑sectional crushing. This design eliminates dead zones, prevents blockages, and ensures no sample retention inside the chamber.
- Adjustable Discharge Size: Output particle size can be precisely set to <6 mm, <3 mm, or <1 mm, meeting diverse analytical requirements without compromising throughput.
- High Reduction Ratio: The crusher achieves a significant particle size reduction in a single pass, producing uniform granules that enhance downstream analysis accuracy.
- Efficient, Cool Operation: Advanced grinding action generates minimal heat, safeguarding the volatile and moisture content of the sample—a crucial advantage for coal and biomass testing.
- Ease of Maintenance: The unit features quick‑release access panels and a tool‑free hammer change mechanism, reducing downtime between batches and simplifying routine cleaning.
- Operator Safety: Transmission components are fully guarded, and the motor is interlocked with the housing to prevent accidental start‑up during maintenance.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Coal Mining & Quality Control | Rapid crushing of raw coal samples for proximate analysis, ash fusion, and calorific value determination. | Preserves sample moisture and ensures representative granulometry per GB474. |
| Thermal Power Plants | On‑site preparation of coal feed samples for immediate quality assessment and blending optimisation. | Fast, dust‑free operation suitable for continuous plant‑floor use. |
| Metallurgical Testing | Size reduction of ores, slags, and ferroalloy samples for chemical assay and mineralogical studies. | Alloy steel chamber prevents iron contamination and maintains sample purity. |
| Geological Surveys | Field‑portable crushing of drill core, rock chips, and mineral specimens for laboratory analysis. | Adjustable discharge size supports versatile sample preparation protocols. |
| Cement & Construction Materials | Grinding of limestone, gypsum, and clinker samples for quality assurance and R&D. | Uniform particle size ensures consistent reactivity and strength tests. |
| Research Institutes & Universities | Sample comminution for material science, environmental studies, and teaching laboratories. | Easy cleaning and zero cross‑contamination support reproducible academic experiments. |
| Environmental Monitoring | Crushing of soil, sediment, and waste samples for pollutant analysis. | Sealed design prevents hazardous dust release during processing. |
Technical Specifications
| Parameter | Value |
|---|---|
| Model | PP-HC03 |
| Feed Size | ≤50 mm |
| Discharge Size | <6 mm, <3 mm, <1 mm (adjustable) |
| Production Rate | <600 kg/h |
| Motor Power | 1.5 kW |
| Chamber Material | Alloy Steel |
| Hammer Material | High‑Manganese Steel |
| Standard Compliance | GB474 (Method for Preparation of Coal Samples) |
Why Choose This Product
- Proven Long‑Term Reliability: The combination of an alloy steel chamber and high‑manganese steel hammers, validated in hundreds of installations, guarantees years of trouble‑free service even in high‑throughput laboratories.
- Precision Manufacturing: Every crusher is assembled and tested to rigorous quality standards, ensuring exacting particle size control and repeatable performance batch after batch.
- Superior Build Quality: From the sealed bearing assembly to the hardened hammer pins, each component is selected for endurance and resistance to abrasive wear, minimising total cost of ownership.
- Customisation Capabilities: Beyond the standard configuration, we offer tailored grinding chamber geometries and discharge screens to perfectly match your specific material and throughput requirements.
- Responsive Support: Our global technical team provides rapid installation assistance, operator training, and lifetime after‑sales service to keep your sample preparation workflow running at peak efficiency.
Contact us today to discuss your specific crushing needs, request a quotation, or arrange a demonstration. Our application specialists are ready to design a custom solution that integrates seamlessly with your laboratory operations.
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