Φ3.2×13m Slag mill

( Edge driving )

Ⅰ. Technical parameter & technical performance

1.      Specification: Φ3.2×13m

2.      Production capacity: 20-25t/h ( Open circuit,  Slag feeding size:≤25mm,  Feeding moisture: ≤0.5%,       

      Feeding temperature:≤50℃,  Wind speed in mill,1.1-1.2m/s,  Specific surface area:≥420m²/kg)

3.      Rotary speed of mill: 18.7 r/min

4.      Charging capacity of grinding medium: 126t

5.      Main motor: (Jiangsu Motor Plant)

Model: YR1600-8/1430, Power: 1600kw, Rotary speed: 743 r/min, Voltage: 10 kv

6.      Main reducer:

Model: MBY900, Hardened gear surface ( Nanjing High-speed Gear box plant )

7.      Auxiliary motor

Model: YEJ225M-8,     Power: 22kw,    Rotary speed: 740r/min

8.      Auxiliary reducer

Model: ZSY315-Ⅱ,     Speed ratio: i=100，  

Input rotary speed:740r/min

9.      Cooling method: Water cooling

10.  Lubricating method: Thin oil station ( GYXZ-40A )

(1)    Low pressure system

      Flow: 40L/min,               Oil supply pressure: 0.4Mpa,

      Pump model: CB-B63,    Oil supply temperature: 40±3℃,

      Motor: Y112M-6 B35 2.2kw

(2)    High pressure system

      Pump model: 2.5MCY14-18,       Flow: 2.5L/min,

     Oil supply pressure: 32Mpa,       Motor: Y112M-6  2.2kw

(3)    other performances

volume of oil box: 1m³

Filtering precision: 0.08mm

Filtering area: 0.19m²

                    Cooling area: 5m2

                    Cooling water consumption: 3.6m²/h

                    Heater power: 3kw×3

                    Working medium: N22-n320

11.  Weight of equipment: 223t

Ⅱ. Main parts & components, and their materials

1. Main motor: YR1600-8/1430   1600kw   10kv

2. Main reducer: MBY900

3. Auxiliary motor: YEJ225M-8    22kw

4. Auxiliary reducer: ZSY315-Ⅱ i=100

5. Shell: Q235-B   Plate thickness: 32

6. Hollow Shaft: ZG230-570( ZG45 )

7. Bull gear: ZG310-570 ( zg45)

8. Pinion: 40Cr ( Quenching and tempering )

9. Main bushing: The lower seat: HT250

                           Bushing body: HT250

                          Bushing liner: ( Babbitt alloy ZchSnSb11-6 )

10. Lining board: Medium chrome alloy

11. Single partition: Medium chrome alloy

Ⅲ. Supply scope

      1. Rotary part                                       1set

      2. Feeding device                                 1set

      3. Main bearing device                         2set

      4. Discharging device                           1set

      5. Lining board and partition plant      1set

      6. Driving device ( Bull gear, pinion and housing)    1Unit/set

      7. Main motor                                  1Unit

      8. Main reducer                                1Unit

      9. Auxiliary motor                             1Unit

      10. Auxiliary reducer                         1Unit

      11. Thin oil station                            2Pcs

      12. Shaft coupling                             1Unit/set

      13. Base of motor and reducer         1Unit/set

      14. Control part                                1Unit