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 |
