Specifications

PMG series high efficient ball mill has been designed with the merits of open circuit grinding system & important renovations.

 

φ3.8×13m Cement Mill

Center Drive, slide shoe device

    Relevant Technical Parameter & Functions

    1Specificationφ3.8×13m

    2Production capacity:65-75t/h42.5 OPC , Feed size≤25mm,Feed moisture≤0.5%,Feed temperature≤50,Wind speed in mill≥0.5m/s,Specific surface area≥350m²/kg

    3Rotate speed of mill17r/min

    4Main motor(Jiangxi TECO )

TypeYR2500-8/1730  Power2500kW 

Rotate speed740r/min

Voltage10KV

    5Main ReducerChongqi Gear Box factory

    (1)TypeJS130-C-F₁

    (2)Transfer power2500KW

    (3)Output rotate speed17r/min

   6Slow-speed drive unit

    (1)TypeJMS660

    (2)Motor power37kW

    (3)Motor rotate speed: 970r/min

    (4)Gear ratio98.58:1

    7Film coupling

    TypeJL130-C

    8Oil stationfor main reducer

    (1)Nominal Flux350L/min

    (2)Oil pump typeXBZ-350

    (3)Motor power11kW

    (4)Motor rotate speed1460r/min

    (5)Cooling area20m²

    (6)Cooling water consumption32t/h

    (7)Heater power4×6=24KW

    9Cooling methodWater cooling

    10Lubrication method(Thin-oil station GYXZ-63A

    1Low-pressure system

Flux63L/min 

Oil supply pressure0.4MPa

    Oil supply temperature40±3

    MotorY112M-6  B35  2.2kW

    2High-pressure system

    Pump model2.5MCY14-1B

    Flux2.5L/min

    Oil supply pressure32MPa

    MotorY112M-6  2.2kW

    3Other functions

    Cooling water consumption5.7m³/h

    Heater power3kW×4

    Working mediumN22-N320

    Main Parts and material

    1Shell Q235-B  δ=40mm

    2Slide shoe bearing:  Basic seat : HT250

                        Bushing body: HT250

                        White metal :Babbit alloy ZchSnSb11-6

                        Roller: 40Cr

                        Concavex spherical body: 40Cr

                      Spherical SEAT: ZG35SiMn

                      Basic plate: Q235-B

    4LinerMid-Cr alloy(the first chamber)

         Mid-Cr alloy(the second & third chamber and diaphragm etc. )

    5Thin-oil station  GYXZ-63A

    6Control cabinet & starting cabinet

   Scope of supply

1Rotary section	1set
2Inlet device	1set
3Slide shoe main bearing device(incl. bushing)	2sets
4Outlet device	1set
5Liner & double diaphragm device	1set
6Main motor  YR2500-8/1730 2500KW/10KV	1 unit
7Main reducer(incl. oil station) JS130-C-F1	1 unit
8Inching drive unit JMS660	1set
9Film coupling  JL130-C	1set
10Thin-oil station  GYXZ-63A	2pcs.
11Control cabinet(incl. HV control & LV starting & thin oil station control	1 unit
12Coupling	1set
13Foundation bolt	1set