Tender For Supply Of Overflow Typetrunnionmountedball Mill At Kirandul, Kirandul-Chhattisgarh

Tender For Supply Of Overflow Typetrunnionmountedball Mill At Kirandul 28034660 0001 0001 300900165 SYS,OT,DIAMETERANDLENGTHOFTHEMILL:4.7MX Technical Details Name : Safvan, Mohammed - AM/NS India - GET - B Contact : 9522201520 Email : Mohammed.Safvan@amns.in 1 VAL SYSTEM,ONE TIME DETAILS:DIAMETER AND LENGTH OF THE MILL: 4.7M X 8.23M -- {1.75L/D RATIO} DETAILS-1:TYPE: TRUNNION MOUNTED DISCHARGE DETAILS-2:INSTALLED POWER: 3000KW DETAILS-3:CRITICAL SPEED: 15.11 RPM {76%} DETAILS-4:APPLICATION: IRON ORE, BOND WORK INDEX IS 9.00 KWH/MT DETAILS-5:FEED SIZE -- F80: 4.87MM DETAILS-6:BEARING TYPE: HYDRODYNAMIC SLEEVE BEARINGS-- BRONZE WITH RTD AMNS REF. NO(WBS):C-22-UPSTR-PP3VZ-EQP6 ADDITIONAL INFORMATION:ALL AUXILIARIES INCLUDED Item Details : Detailed Technical Specifications is enclosed as Annexure. AM/NS intends to procure Overflow type Trunnion mounted Ball Mill from M/s Metso Minerals Industries to Kirandul Beneficiation Plant facility. Detailed technical specifications are summarized as below in individual sections. Basic Details • Diameter and Length of the Mill : 4.7m X 8.23m (1.75 L/D Ratio) • Type : Trunnion Mounted Discharge Type • Installed Power : 3000 kW • Critical Speed : 15.11 RPM (76%) • Application : Iron Ore, Bond Work Index is 9.00 kWh/Mt • Feed Size – F80 : 4.87mm • Bearing type : Hydrodynamic Sleeve Bearings – Bronze with RTD Lubrication Details One piped and assembled central lubrication system for the trunnion bearings. The system should consist of: • Integral Oil Reservoir and Base with: o Sight gauge and thermometer. o Oil level switch o Low watt density immersion heater controlled by submerged resistance temperature detector (RTD) mounted on the side of the reservoir. • Water-cooled heat exchanger • High- and low-pressure oil systems • Local Control Panel – IP 55 rated with switches and pilot lights installed and pre-wired to terminal blocks for connection to Buyer’s field wiring. • Instrumentation to monitor the following: § Low oil level in main reservoir § Low oil flow to bearings § Low oil pressure in high pressure oil lines § High oil pressure in high pressure oil lines § High temperature in main reservoir Motor Details • Type : Slip Ring Induction Motor • Power Rating : 3000KW • Synchronous Speed : 750 RPM • Protection Class / Duty : IP55 / Continuous (S1) • Cooling : IC616 • Stator Details : 6600V, 342.5A, 3P, 50Hz • Performance as per Standard : IS/IEC:60034-1 • Rotor Details : Wound Type, 1778V, 1027.5A • Power Factor : 0.80 • Efficiency : 95.8% • Make : BHEL LRSS Details • Type : Liquid Rotor • Voltage : 1778 V • Current : 1028 A • Power : 3000 kW • Frequency : 50 Hz • Duty : S1 / Continuous • Make / Model : Enterprising Engineers / LSHM-9 • Electrolyte : Sodium Carbonate • Starting Torque : 200 Percentage FLT • Material (MOC) : SS316L The overflow point of the LRSS tank to be provided with external SS pipe connected from overflow point till bottom of the ground for overflow

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