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Home > Product > φ3.4×(6+3)m Coal mill
φ3.4×(6+3)m Coal mill
φ3.4×6+3m Coal mill
(Edge driving)
    一、Technical parameters & performances of cement mill
    1、Sepc. :φ3.4×6+3m
2、Capacity: 30-38t/h (mill inlet raw coal grain size ≤25mm,residue 3-5%, mill outlet coal powder fineness 80μm, mill inlet raw coal moisture content≤12%, mill outlet coal powder moisture content≤1%, mill inlet air temperature <350℃, mill outlet air temperature: 60-80℃)
    3、Mill rotating speed:17.5r/min
    4、Grinder load:70t
    5、Main motor: (Jiangxi Motor Factory)
         Type:YR800-8/1180  Power:800kW   Rotating speed:740r/min
    6、 Main reducer (Sichuan Reducer Factory)
    (1) Type:JDX710
    (2) Transmission power:800KW
    (3) Transmission ratio:I=6.3
    7、 Auxiliary motor
    (1) Type:YEJ200L2-6
    (2) Motor power:22kW
    (3) Motor rotating speed: 970r/min
    (4) Voltage:380V
    8、 Auxiliary reducer
(1)     Type:ZSY280
(2)     Speed ratio:I=100
    9、 Cooling type: water cooling
    10、Lubrication type of main bearing: thin oil station (GYXZ-40A)
    (1)Low pressure system
   Flow rate:40L/min  Oil supply pressure:0.4MPa   
Oil supply temperature:40±3℃
Motor:Y112M-6  2.2kW
    (2)High pressure system
      Pump type:2.5MCY14-1B
      Flow rate:2.5L/min
      Oil supply pressure:32MPa
     Motor:Y112M-6  2.2kW
    (3) Other performances
     Cooling water consumption:3.6m3/h
     Heater power:3kW×3
     Working media:N22-N320
    11、 Equipment weight:-t
    二、 Main spare parts & material quality
    1、 Main motor YR800-8/1180   800kW   6KV
2、 Main reducer JDX710
3、 Bull gear:ZG310-570(ZG45)
4、 Pinion:42CrMo( Hardening & tempering)
    5、 Shell Q235-B 
6、 Hollow shaft  ZG230-450(ZG25)
7、 Liner & diaphragm: Chroinum alloy
    8、 Main bush: Lower base HT250
                 Bush body HT250
                 Bush liner( Barritt ZchSnSb11-6)
    9、 Thin oil station  GYXZ-40A
    10、 Control cabinet & start cabinet
   三、 Supply range

1、  Rotary section
1 set
2、  Feed device
1 set
3、  Main bearing device
2 sets
4、  Discharge device
1 set
5、  Liner & diaphragm
1 set
6、 Bull gear & pinion
1pc for each
7、 Main motor
1 pc
8、 Main reducer
1 pc
9、 Auxiliary motor & auxiliary reducer
1pc for each
10、Thin oil station
2 pcs
11、Control cabinet & start cabinet
1 pc
1 set per pc

                                            Jiangsu Pengfei Group Co., Ltd
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