φ3.5×13m high fineness mill
(Edge drive)
  One,techncial parameter and performance for cement mill
    1,Specification:φ3.5×13m
2,No. Of chambers:2
3,Feeding size≤25mm closed circuit
4,Feeding moisture≤0.5%
    5,Finished fineness, blaine 350m²/kg
    6,Capacity:55t/h
    7,Mill speed:17.5r/min
    8,Main motor (supplied by customer)
         Model:YR2000-8/1730(Jiangxi Motor)
         Power:2000kW
         Speed:740r/min
         Voltage:11000V
9,Reducer:MBYX1000 (NGC)
     Transmission power:2000kW
     Input speed:740r/min
     Speed ratio:I=6.3
10,Auxiliary motor
         Model:YEJ225M-6
         Motor power:30kW
         Motor speed:970r/min
11,Auxiliary reducer:
         Model:ZSY315
         Input speed:970r/min
         Speed ratio:I=100
12,Oil station(supplied by reducer company)
13,Lubrication type:Thin oil station(XGD-A2.5/63)
With main bearing
    (1)Low pressure system
    Flow rate:63L/min  Oil supply pressure:0.4MPa
    Oil supply temperature:40±3ºC
    Motor:Y112M-4   4.0kW
    (2)High pressure system
    Model of pump:2.5MCY14-1B
    Flow rate:2.5L/min
    Oil supply pressure:32MPa
    Motor:Y112M-6  2.2kW
    (3)Cooling water consumption:3-6m³/h
    Heater power:3kW×3
    Working media:N220-N320
14,Total weight of mill:260t(Not include grinding media)
 Two, main spare parts and material
    1,Shell Q235-B δ=40mm  End plate Q235-B,wholely annealing after welding
    2,Hollow shaft  Material:ZG230-450
    3,Main bearing bush:Material of bush:HT250
       Material of bush liner:Babbit   ZchSnSb11-6
Material of bearing bottom base: HT250
4,Girth gear:helical tooth ZG310-570 Normalizing treatment,Module:30,number of tooth:200,width of tooth:685
5,Pinion:Helical toot 40Cr tempering and hardening,module:30,number of tooth:200,width of tooth:690
    6,Liner:Middle chrome alloy(lifetime more than half and one year)
7,Thin oil station:XGD-A2.5/63
8,Diaphragm device :Combined screen diaphragm device
9,Drive system:
   1330 diaphragm coupling between pinion and main reducer
10,Control cabinet and start cabinet



Technical parameter of cement tube mill Pengfei's workshop