φ3.4×13m cement mill

(edge drive)

  Relative technical parameters and performance of cement mill

    1,Specification φ3.4×13m

    2,Productive capacity 50-65t/h(OPC,inlet grain size≤20mm,inlet water content ≤0.5%,inlet temperature ≤50 ,wind speed 0.5-0.7m/s,surface area ≥320m²/kg)

    3,Mill rotating speed 18r/min

    4,Grinding media load 129t(max)

    5,Main motor(Chongqi Motor)

       Model YR2000-8/1730  power 2000kW

 rotating speed 740r/min  10KV

    6,Main gear box(Chongqi motor)

       Model JDX1000 hard teeth      

       Input rotating speed  740r/min  speed ratio  i=6.333

    7,Auxiliary motor

    Model YEJ225M-6  power 30kW  rotating speed 970r/min

    8,Auxiliary reducer

Model ZSY315  speed ratio i=100 

input rotating speed 970r/min

    9,Cooling type  water cooling

    10,Lubrication type thin oil station(XGD-A2.5/40 )

    (1)Low pressure system

    Flow 40L/min  oil supply pressure 0.4MPa 

    Oil supply temperature 40±3

    Motor Y100L-4  3kW

    (2)High pressure system

    Flow 2.5L/min

    oil supply pressure 32MPa

    motor Y112M-6  2.2kW

    (3)Other performances

    Oil box volume 1m³

    Filtering accuracy 0.08mm

    Filtering area 0.19m²

    Cooling area 5m²

    Cooling water consumption 3.6m³/h

    Heater power 3kW×3

Working media N33-N320

Main parts,material,weight

1,Main motor  YR2000-8/1730   2000kW   10KV (Chongqi motor)

2,Main gear box JDX1000   I=6.3

3,Auxiliary motor  YEJ225M-6  30kW

4,Auxiliary reducer ZSY315 I=100

5,Shell Q235-B 

6,Trunion shaft  ZG230-450(ZG25)    

7,Girth gear  ZG310-570(ZG45)    

8,Pinion 40Cr(quenching and tempering treatment)      

9,Main bush lower bracket HT250         

                Bush body HT250           

                White metal(ZchSnSb11-6)

10,Liner middle Cr alloy