Double-roller Crusher Provides Substantial Return On Investment

Since patenting the double-roller crusher, Hongxing has become an expert in the design and manufacture of all styles of roll crushers. All Hongxing Roll Crushers provide substantial return on investment by operating at low cost and maximizing yield by generating minimal fines. The rugged designs stand up to the toughest mineral processing applications while providing safe, simple operation. These crushers are also versatile, allowing for adjustments in roll speeds and gap settings to meet most any application requirement.

Designed for safety and many years of operation, effective tramp protection against non-crushable materials is provided by an automatic spring-and-toggle system. This allows a movable roll to open, pass the material and return to its original setting for continued operation. Hydraulic product size adjustment allows producers to adjust for changes in product size requirements or to compensate for roll wear. Roll crushers have a theoretical reduction ratio of 4:1. If a 2 inch particle is fed to the roll crusher the absolute smallest size one could expect from the crusher is 1/2 inch. Due to the low crushing ration, the ThyssenKrupp Double-Roll-Crusher is producing a product size ditribution with less content of fines and therefore it is the most suitable machine for the lime-industrie.

Operation of Double Roll Crushers is simple without timing gears. Dual drive arrangements use a separate electric motor and V-belt drive for each roll, resulting in quiet operation and minimal vibration, while for single drive arrangements power is transferred to opposing rolls by an inter-stage V-belt drive. Roll crushers will only crush material down to a minimum particle size of about 10 Mesh (2 mm). A roll crusher crushes using compression, with two rolls rotating about a shaft, towards the gap between the rolls. The gap between the rolls is set to the size of product desired, with the realization that the largest feed particle can only be 4 times the gap dimension.

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