Sealed Double Roll Crusher with Rotary Sample Divider Heavy Duty Enclosed Mineral Sample Preparation Roller Crusher

Product Overview

This equipment combines high-efficiency roll crushing with an integrated rotary sample divider into a single, fully enclosed processing system. Designed to handle medium-hard, hard, and brittle minerals, ores, coal, sinter, and ceramic materials, this unit reduces coarse feed material to a uniform fine powder while simultaneously extracting highly representative sub-samples. By performing crushing and division in a continuous, dust-free process, the system minimizes labor, eliminates manual sampling bias, and prevents moisture loss or particulate contamination during sample preparation.

Built for demanding laboratory and pilot-plant environments, the processing system is widely utilized across geological exploration, mining, metallurgical testing, power generation, environmental monitoring, and advanced material research facilities. The heavy-duty structural frame, combined with precision-machined rollers and high-torque motor drives, ensures stable mechanical operation even under heavy, continuous sample feeds. The enclosed housing safeguards operators from hazardous dust exposure and high-noise emissions.

With intuitive gap adjustment mechanisms, wear-resistant alloy crushing surfaces, and an integrated environmental dust extraction interface, this machine delivers reproducible grinding efficiency and accurate division ratios. Industry professionals rely on this unit for consistent particle size distribution and dependable sample integrity required for XRF, ICP, and classical wet chemical analysis protocols.

Key Features

• Fully Sealed Dust-Free Chamber Structure: The entire crushing and dividing mechanism is completely housed within an airtight steel casing, preventing airborne particulate leakage, protecting operators from harmful dust, and maintaining sample purity throughout processing.
• Integrated High-Precision Rotary Sample Divider: Features an integrated mechanical rotary splitter that automatically divides crushed material into equal, representative samples according to customizable division ratios (1/2, 1/4, or 1/8) without manual intervention.
• High-Manganese Wear-Resistant Alloy Rollers: Precision-ground crushing rolls manufactured from high-manganese or chrome alloy steel offer exceptional hardness and impact toughness, extending service life when processing abrasive ores and minerals.
• Micrometric Gap Adjustment System: Outfitted with a heavy-duty mechanical screw thread or shim adjustment system that enables quick, precise control of the roller gap, allowing users to fine-tune final product discharge size down to millimetric tolerances.
• Dedicated Environmental Dust Extraction Interface: Built-in auxiliary dust collector connection port allows direct coupling to laboratory exhaust systems, actively maintaining negative pressure inside the unit during high-throughput operation.
• Dual Heavy-Duty Motor Drive & Overload Protection: Driven by an industrial-grade electric motor coupled with heavy-duty gear reducers to provide uniform torque, smooth roller rotation, and automatic thermal overload protection during continuous crushing tasks.
• Quick-Release Maintenance Access & Contamination Control: Designed with hinged inspection doors and smooth internal polished walls that facilitate fast thorough clean-down between batches, effectively eliminating cross-contamination between different sample runs.
• Vibration-Dampened Structural Chassis: Ground-anchored heavy steel base plate absorbs mechanical vibrations and operational shock loads, ensuring low acoustic output and long-term structural integrity in rugged laboratory settings.

Applications

Technical Specifications

Why Choose This Product

• Uncompromising Sample Integrity: Combines precise roll reduction with true rotary division in a dust-tight environment, eliminating operator error, cross-contamination, and material loss.
• Robust Heavy-Duty Construction: Engineered with thick steel plate housings, heavy-duty bearings, and wear-resistant alloy crushing rolls designed for thousands of hours of reliable operation.
• Enhanced Operator Safety: The completely enclosed design and integrated environmental dust port comply with modern occupational health standards by containing hazardous fine dust and reducing noise pollution.
• Versatile Granularity Control: Simple mechanical gap adjustment allows operators to rapidly switch between different material feeds and required target output particle sizes without specialized tooling.
• Full Engineering Support & Customization: Backed by comprehensive technical assistance, custom roll material selection, variable voltage configurations, and ready-to-ship replacement wear components.

Contact our technical sales team today to request a detailed quote or to discuss custom sample preparation equipment tailored to your laboratory workflow.