China 4.2 * 14.5m Ball Mill for Cement Mining

4.2 * 14.5M ball mill for cement and mining
1.1 Specification: 4.2*14.5m
Internal diameter of mill shell: 4200mm
Effective internal diameter of mill shell: 1st chamber 4042mm
2ND chamber 4065mm:
Effective Length of mill shell: 1st chamber 4670mm
2ND chamber 9330mm
1.2 target products: Grinding different kinds of Portland cement
1.3 Grinding method: Closed circuit current
1.4 Production capacity: : 120 t/h(feeding size<20, fineness: 320m2/kg)
1.5 Loading capacity of grinding medium: 253 t
1.6 Mill speed: 15.6 r/min
1.7 Driving method: Center driving
1.8 main motor power: 4000 kW
1.9 Sliding bearing(2sets)
1.10 thin oil lubrication station for sliding shoe bearing(2sets)
Model: GXYZ-63GII
Lubrication oil: N320 GB5903-86 or ISO VG320mineral oil
Oil supply temperature: 40° C
Low pressure oil supply: 63 l/min
Pressure: 0.4MPa
High pressure oil supply: 2x 2.5 l/min
Pressure: 31.5 Mpa
Oil-in temperature: 40± 2° C
Cooling water temperature: ≤ 28° C
Cooling water: 6 m3/h
Cooling water pressure: ≤ 0.3 MPa
Filtering precision: 0.08 mm
Filtering are: 0.4 m2
Cooling area: 5 m2
Low pressure motor power: 3Kwx 2
High pressure motor power: 2.2Kwx 2
Power of heater: 5Kwx 3
1.11 transmission device & lubrication oil station: Refer to order contract & technical document
1.12 Cooling water consumption:
Sliding shoe bearing: 3.5x 2 =7m3/h
Lubricating device of sliding shoe: 6x 2=12 m3/h
1.13 Total weight of equipment: 274847 kg( exclude grinding medium, transmission device & oil station)