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Product Overview
This Double Roller Crusher is professionally optimized as secondary crushing equipment matching primary jaw crushers in complete crushing lines. Jaw crushers are usually adopted for coarse primary crushing, producing uneven granularity with excessive flaky materials and large particle residuals. As the secondary fine crushing host, this machine adopts standardized low-speed extrusion and shearing crushing technology to further shape and refine jaw-crushed materials. It features uniform finished particle gradation, controllable powder rate and neat grain shape, effectively solving the problems of coarse discharge and poor finished quality of primary jaw crushing. It perfectly matches various stone crushing and mineral processing production lines for stable secondary fine crushing circulation.
Key Features
Special secondary crushing design for jaw crusher discharging materials: Targeted at the irregular particle size and residual large blocks after jaw coarse crushing, this double roller crusher realizes accurate medium and fine secondary crushing and particle shaping. The low-speed mild extrusion crushing mode effectively improves the defect of uneven discharge of primary jaw crushing, suppresses over-crushing and excessive fine powder, and makes the final finished aggregate grain shape more regular and gradation more reasonable. It perfectly undertakes the secondary crushing process and improves the overall qualification rate of production line finished products.
Equipped with precision adjustable roller gap, the machine can flexibly adjust secondary crushing granularity according to jaw crusher discharging conditions and finished material standards, meeting diversified fine crushing requirements. The whole machine adopts heavy-duty reinforced structure with low vibration, low energy consumption and low comprehensive failure rate. It features stable docking with primary jaw crushing equipment, simple process connection and convenient daily maintenance, effectively improving the overall operating efficiency of the complete crushing line.
Working Principle
Driven by a stable power transmission system, the two rollers rotate synchronously in opposite directions. Bulk materials discharged from the primary jaw crusher are evenly and quantitatively fed into the double roller crushing cavity. Through continuous and uniform extrusion and micro-shearing force, the coarse and uneven jaw-crushed materials are further finely crushed and shaped into standard medium and fine finished particles. The scientific low-speed crushing mode stabilizes secondary crushing particle size, ensures consistent finished quality, and realizes efficient linkage operation with the primary jaw crushing system.
Applicable Materials
Suitable for limestone, river pebble, basalt, granite, bluestone, quartz, coal gangue and other medium-hard brittle ores and aggregates. It is specially used for secondary medium and fine crushing treatment of coarse discharged materials after primary jaw crusher operation.
Application Scope
Widely applied in complete stone crushing production lines, mine mineral processing projects, construction aggregate processing stations and solid waste recycling lines equipped with primary jaw crushers. It serves as the core dedicated secondary fine crushing equipment matched with jaw coarse crushing process.
Product Advantages
This secondary crushing double roller crusher matched with primary jaw crushers solves the industry pain points of single jaw crushing process such as coarse finished granularity, poor grain shape and unstable gradation. It features targeted secondary crushing and shaping function, controllable powder rate, uniform finished particle size, stable linkage operation and low operating cost. It effectively upgrades the overall finished product quality of the crushing line, reduces material waste, and provides reliable and cost-effective two-stage crushing matching solutions for various medium and fine crushing projects.
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