A Derrick Linear Motion vibratory screen is equipped with two vibrating motors rotating in opposite directions. This dual motor configuration causes the screen frame to vibrate in a linear or straight-line motion perpendicular to the plane of the vibrating motors. Normally, the vibrating motors are positioned at an angle of 50 degrees with respect to the screen surface. This results in excellent forward conveyance of oversize particles, even when the screen frame is in an uphill position.
Depending upon the application, the screen frame can be positioned from 10 degrees uphill to 15 degrees downhill. Maximum fluid capacity is achieved in the uphill position, causing the formation of a pool at the feed end of the machine The head or pressure from the pool increases fluid throughput. The linear motion of the screen frame efficiently conveys the oversize particles out of the pool area where they are then dewatered and discharged.
Features & Benefits:
High fluid capacity.
Ideal for dilute slurries and/or low amounts of oversize such as scalping or trash screen applications.
Appropriate for the removal of grit or other contaminants from viscous slurries.
Screen openings can range from 3/8 inch (10 mm) to 400 mesh (38 microns).
Low headroom requirements.
Uniform straight-line conveying action.
High open area polyurethane screen surfaces or various woven wire designs minimize or eliminate screen blinding.
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