φ3.8×13m Cement Mill
(Central driving)
一、Technical parameters and performances of cement mill
1、Specification:φ3.8×13m
2、Capacity: 65-70t/h (closed circuit, 42.5 normal Portland cement, inlet grain size ≤25mm,inlet moisture content≤0.5%,inlet temperature≤50℃, air speed inside of mill≥0.5m/s,Blaine≥350m2/kg,Configures O-Sepa separator)
3、Rotating speed of mill:17r/min
4、Grinder load:186t(max)
5、Main motor:(Jiangxi Motor Factory)
Type:YR2500-8/1730 Power:2500kW Rotating speed:740r/min
Voltage:10KV
6、Main reducer:
(1) Type:JS130-C-F1
(2) Transmission power:2500KW
(3)Output rotating speed:17r/min
7、Slow speed driving device
(1) Type:JMS660
(2) Motor power:37kW
(3) Motor rating speed 970r/min
(4) Transmission ratio:98.58:1
8、Diaphram coupling
Type:JL130-C
9、Oil station (configures reducer)
(1) Nominal flow rate:350L/min
(2) Oil pump type:XBZ-350
(3) Motor power:11kW
(4) Motor rotating speed:1460r/min
(5) Cooling area:20m2
(6) Cooling water volume:32t/h
(7)Heater power:4×6=24
10 Cooling types: water cooling
11、Lubrication station(GYXZ-63A)
(1)Low pressure system
Flow rate:63L/min Oil supply pressure:0.4MPa
Oil supply temperature:40±3℃
Motor:Y112M-6 B35 2.2kW
(2) High pressure system
Pump type:2.5MCY14-1B
Flow rate:2.5L/min
Oil supply pressure:32MPa
Motor:Y112M-6 2.2kW
(3) Other performances
Cooling water consumption:5.7m3/h
Heater power:3kW×4
Working media:N22-N320
12、 Equipment weight:320t
二、 Main spare parts and material quality
1、 Main motor YR2500-8/1730 2500kW 10KV
2、 Main reducer JS130-C
3、 Shell Q235-B δ=40mm
4、 Hollow shaft ZG230-450(ZG25)
5、 Main bush: Lower part HT250
Bush body HT250
Bush liner( Babbitt Metal ZchSnSb11-6)
6、 Liner:ZGMn13Cr2( 1st chamber)
ZGMn13-A( 2nd, 3rd chamber & diaphragm, etc. )
7、 Thin oil station GYXZ-63A
8、 Control cabinet & start cabinet
三、 Supply range
1、 Rotary section |
1 set |
2、 Feeding device |
1set |
3、 Main bearing device |
2sets |
4、 Discharge device |
1set |
5、 Liner & diaphragm |
1set |
7、 Main motor |
1pc |
8、 Main reducer |
1pc |
9、 Thin oil station |
2 cs |
10、 Control cabinet & start cabinet |
1pc |
11、 Coupling |
1 set per pc |
12、 Base of motor & reducer |
1 set per pc | |