Specifications

ball mill has adopted special interagrat diaphragm and discharge grate to adjust material levels .

 

φ4.2×9m Raw mill

Edge drive

    Relative parameters and functions of raw mill

    1Specificationφ4.2×9m

    2Productive capacity130±10t/hclosed circuit, mid-hard limestone,inlet grain size:≤25mm,inlet water content:≤12%,outlet air temperature:60-80

    3Rotary speed of mill16.3r/min

    4Grinding media load105t(max)

    5Main motorChongqi Motor Factory

       ModelYRKK800-8  power2000kW 

rotary speed740r/min  voltage10KV

    6Main reducerChongqi Gear Box factory

   ModelJDX1000  speed ratio:I=6.333

    7Auxiliary motor

    (1)ModelYEJ225M-6

    (2)Motor power30kW

    (3)Rotary speed of motor: 970r/min

    8Auxiliary reducer

     ModelZSY315-   speed ratio I=100

    9Lubrication typethin oil station: XGD-A2.5/40

    1LP system

    Flow63L/min  Oil supply pressure0.4MPa

    Oil supply temperature40±3

    MotorY112M-6  B35  2.2kW

    2HP system

    Pump model2.5MCY14-1B

    Flow2.5L/min

    Oil supply pressure32MPa

    MotorY112M-6  2.2kW

    3Other functions

    Cooling water consumption5.7m³/h

    Heater power3kW×4

    Working mediaN22-N320

  10 Equipment weight253texcept for main motormain reducer

    Main partsmaterial

    1 Shell  Q235-B 

    2 Trunnion  ZG230-450

    3 Main bushbasic bracket HT250

                  Bush body HT250

                  White metal(babbitt metal ZChSnSb11-6

    4LinerQ235-A welding part(chamber No.1 for drying)

              Wear-resistance alloy steel(Chamber No. 23 and singlelayer diaphragm etc.)

    5Thin oil station  XGD-A2.5/40

    6Control cabinet and starting cabinet

   Scope of supply

1Rotary parts	1 set
2Inlet device	1 set
3Main bearing	2 sets
4Outlet device	1 set
5Liner and diaphragm	1 set
6Main motor  YRKK800-8 2000KW  10KV	1 unit
7Main reducer JDX1000	1 unit
8Auxiliary motor YEJ225M-6	1 set
9Auxiliary reducer ZSY315	1 set
10Thin oil station  XGD-A2.5/40	2 pcs
11Control cabinet incl. LV startingthin oil station control; except for main control	1 unit
12Coupling	1 set
13Anchor bolts	1 set