GLW-V 355*1250N Variable Frequency Drive Centrifuge

Nov. 4, 2010 - PRLog -- Model GLW-V 355×1250N centrifuge is a variable frequency drive centrifuge designed by GN Solids Control. This VFD centrifuge has the ultimate flexible control system, allowing it to process a wide range of feed slurries. The treating capacity upto 40m3/h 176GPM. The rugged drive system consists of two explosionproof motors. A 40 HP motor drives the bowl and a 10 HP operates the conveyor.

The mechanical scroll drive system consists of an electric main drive motor and an electric scroll drive motor, both controlled by independent variable frequency drives (VFD). This drive package uses a sophisticated energy recovery system that minimizes overall power requirements and operating costs.

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By adding swinging elements that can lock a hydrodynamic coupling, it has been found possible to reduce energy and/or increase output by about 3 per cent in a coal mill and up to 10 per cent for fans.

The scroll drive controls the differential speed between the scroll and the bowl and is critical to centrifuge performance. This differential dictates the residence time of the solids in the centrifuge, which has a direct correlation to cake solids concentration and capture efficiency. Obtaining and sustaining a consistent cake solids and capture efficiency requires a very sensitive scroll drive that responds rapidly to changes in sludge characteristics by making smooth, subtle changes in the scroll speed. Two highly effective scroll drive systems are available for the Centramax™ centrifuge. Hydraulic Scroll Drive The hydraulic scroll drive system consists of an electric main drive motor and hydraulic scroll drive motor, which turn the bowl and scroll independently. The fully independent hydraulic scroll drive has the ability to generate and sustain an extremely high degree of torque. This high torque capability, combined with a very rapid response time, allows the centrifuge to consistently produce the highest cake solids

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