SKS separator Reject Modifications:Before Modification: SKS Reject fine material feeding was in Roller Press pre bin 40 to 50 % as per design. (Due to Mill size small unable to feed 100 % material towards mill side) 50% to 60% SKS reject material feeding in cement millProblems were: Higher fine in Roller Press pre bin because SKS reject fine material was feeding directly in RP pre bin. Higher Skew (gap difference) in roller (9 – 15 mm). No equal load at both rollers. Both rollers Current differences higher. Higher Vibration in Roller press. Higher SKS RPM for maintain Blaine. Frequent operation of shut off gate & Control gate due to higher skew.Parameters before modification were: Current variation both Roller -1000 to 1550 KW Pressure variation on both roller- 60-120 bar Skew(Gap difference) - 9 to 15 MM SKS RPM – 1150-1200 Pneumatic Gate Operation – 4-5 time/Hr. Production – 195-200 TPH
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