4 * 13M ball mill for cement and mining
1.1 Specification
Internal diameter of mill shell: Φ 4000mm
Length of inside wall of mill shell: 13000mm
Effective internal diameter of mill shell: 1st chamber: Φ 3865mm
2ND chamber: Φ 3830mm
Effective internal diameter of mill shell: 1st chamber: Φ 4600mm
2ND chamber: Φ 7665mm
1.2 Use: Grinding Cement Clinker, Close Circuit, Equipping high efficiency separator
1.3 Feeding size: ≤ 25mm, 95% passed
1.4 Fineness of finished products: 3400cm2/g
1.5 Production capacity: 75t/h
1.6 Mill speed: 16.3r/min
1.7 Loading capacity of grinding medium: 180t (max. 190t)
1.8 Driving method: Center driving
1.9 Installed power: 2500-2800KW
1.10 Lubricating device for sliding shoe bearing: XGD-A2 × 2.5/63 (L/min)

High & Low pressure thin oil station, 2units in total, parameters of each unit:
Model of high pressure pump: 2.5MCY14-1B (2units)
Nominal flow of high pressure pump: 2.5L/min
Nominal pressure of high pressure pump: 32MPa
Motor model of high pressure pump: Y112M-6
Motor power of high pressure pump: 2.2KW (1430r/min, 380V, 2units)
Model of low pressure pump: CB-63 (2units, 1 unit for spare)
Nominal flow of low pressure pump: 63L/min
Nominal pressure of low pressure pump: 0.63Mpa
Motor model of low pressure pump: Y112M-6 (2units, 1unit for spare)
Motor power of low pressure pump: 2.2KW (940r/min, 380V)
Low voltage electric contact pressure gauge: YX-150 ( -0.1~1.6Mpa)
High voltage electric contact pressure gauge: YX-150 ( 0~60Mpa, 2 pieces )
Model of oil flow signal indicator: YXQ-25II (220V, 0.2A, 3 pieces)
Model of differential pressure transmitter: CS-III (0.055KW, 220V, 0.25A)
Cooling area of oil cooler: 10m2
Oil-in temperature of oil pump: 20~60° C
Model of electric heater: SRY2-220/3 (3KW, 220V, 4 pieces)
1.11 Cooling water consumption (temperature of all cooling water≤ 28° C)
Sliding shoe bearing: 3.5× 2(pieces) =7m3/h
Lubricating device of sliding shoe: 3.8× 2(pieces) = 7.6m3/h
1.12 Total weight of equipment: 220, 000kg (excluding the driving part)