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large capacity log washer
1.Product Introduction
The Large Capacity Log Washer is a heavy-duty, high-throughput scrubbing solution engineered specifically for large-scale mining, quarrying, and industrial aggregate operations. Designed to process massive volumes of heavily contaminated materials, this machine specializes in breaking down and dissolving tough, sticky plastic clays, mud balls, and cemented aggregates that standard washing equipment cannot handle. Featuring massive dual counter-rotating steel shafts outfitted with high-strength, wear-resistant alloy paddles, it ensures maximized material cleanliness, optimized ore recovery rates, and reliable 24/7 continuous operation under severe conditions.
2. Applications
Built to handle extreme material conditions and high-tonnage demands, our large capacity log washers are widely used in:
Large-Scale Mining Plants: High-capacity pre-treatment of primary crushed ores, including iron ore, manganese, bauxite, copper, gold, and limestone (capacities ranging from 150 to over 500 TPH).
Mega Quarry & Aggregate Production: Cleaning thousands of tons of heavily silted quarry rock, river gravel, and ballast stone to meet strict international construction and concrete standards.
Mineral Processing Hubs: Acts as a critical washing stage before downstream processing such as crushing, milling, optical sorting, or flotation, preventing downstream equipment from clogging.
3. Working Principle
The large capacity log washer utilizes an extra-reinforced, inclined washing trough (typically angled at 6° to 12°) paired with immense mechanical force to execute rigorous material-on-material scrubbing.
High-Volume Feeding: Massive volumes of clay-bound material enter from the lower end of the inclined trough. Simultaneously, high-pressure water is injected through bottom inlets or top spray bars to saturate the feed.
Aggressive Double-Shaft Attrition: Dual massive steel shafts lined with alternating, overlapping alloy paddles rotate counter-directionally toward each other. The sheer force of these heavy-duty blades cuts, shears, and chops through the thickest clay matrix. The rocks are repeatedly forced against each other, creating extreme material-on-material attrition that strips away tough clay skins.
Counter-Current Separation: The clean, heavy ore/rock is pushed upward along the inclined bed by the pitch of the paddles and discharges continuously at the top end. Concurrently, the dissolved mud, clay, and lightweight contaminants mix into a slurry and flow downward, overflowing via the weir at the lower end.
4. Key Advantages
Massive Production Output: Specifically engineered to handle huge industrial tonnages, matching high-output crushing circuits with capacities ranging from 150 to 500+ TPH (Tons Per Hour).
Ultra-Heavy Duty Engineering: Built with extra-thick steel plates, reinforced tub framing, and oversized, solid forged-steel shafts designed to withstand massive shock loads and continuous impact.
Premium Manganese/Chrome Wear Parts: The replaceable, bolt-on paddles are cast from premium manganese steel or ultra-high chromium alloys, dramatically extending service life and cutting maintenance downtime.
Advanced High-Torque Drive Systems: Equipped with heavy-duty industrial gearboxes, flexible couplings, and high-horsepower electric motors that enable trouble-free starting even under full-load or jammed conditions.
Superior Cleaning Performance: The combination of an elongated tub, adjustable incline, and variable-speed drives allows operators to perfectly optimize retention time for complete clay elimination and zero product waste.
5. Case Studies and Images
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