applied technology capacity index
crushing rate ：0.1-0.6%
abrasion： cement clinker 30-50g/t cement。(without grinding bin)
coal mill in thermal power station 60-160g/t coal powder 。(confirmed by coal quality and other work conditions)
out-of-round rate：
crushing rate ：0.1-0.6%
abrasion： cement clinker 30-50g/t cement。(without grinding bin)
coal mill in thermal power station 60-160g/t coal powder 。(confirmed by coal quality and other work conditions)
out-of-round rate：
the out-of-round rate is lower than 4% after 3000 hours operating；
the out-of-round rate is lower than 8% after 6000 hours operating。(calculated by cyclic method)
the out-of-round rate is lower than 8% after 6000 hours operating。(calculated by cyclic method)
.jpg)
specification and weight
|
ball diameter（mm）
|
individual weight（kg）
|
ball quantity/t
|
|
Φ10
|
0.0135
|
74073
|
|
Φ12
|
0.0181
|
55248
|
|
Φ15
|
0.0242
|
41322
|
|
Φ20
|
0.0322
|
31056
|
|
Φ25
|
0.063
|
15873
|
|
Φ30
|
0.11
|
9091
|
|
Φ40
|
0.257
|
3891
|
|
Φ50
|
0.50
|
2000
|
|
Φ60
|
0.867
|
1153
|
|
Φ70
|
1.37
|
729
|
|
Φ80
|
2.05
|
487
|
|
Φ90
|
2.90
|
345
|
|
Φ100
|
4.00
|
250
|
|
Φ110
|
5.30
|
188
|
|
Φ120
|
6.80
|
147
|
|
Φ125
|
7.75
|
129
|
|
Φ130
|
8.74
|
114
|
machine capacity and metallographic structure
|
type
|
machine capacity
|
metallographic structure
|
|
|
HRC
|
falling times
|
||
|
low including chromium casting ball
|
≥45
|
≥8000
|
P+C
|
|
middle including chromium casting ball
|
≥50
|
≥12000
|
P+C
|
|
high including chromium casting ball
|
≥55
|
≥15000
|
P+C
|
|
extra-high including chromium casting ball
|
≥60
|
≥22000
|
P+C
|
|
type
|
chemical composition
|
|||||||
|
C
|
Si
|
Mn
|
Cr
|
Mo
|
Cu
|
P
|
S
|
|
|
low including chromium casting ball
|
2.2-3.5
|
≤1.0
|
≤1.5
|
0.8－3.5
|
≤1.0
|
≤0.5
|
≤0.15
|
≤0.15
|
|
middle including chromium casting ball
|
2.0-3.3
|
≤1.2
|
≤1.8
|
4.0－9.0
|
≤1.5
|
≤1.0
|
≤0.15
|
≤0.15
|
|
high including chromium casting ball
|
1.6-3.3
|
≤1.0
|
≤2.5
|
10－18
|
≤1.0
|
≤1.5
|
≤0.10
|
≤0.10
|
|
extra-high including chromium casting ball
|
2.0-3.3
|
≤1.0
|
≤2.5
|
22－25
|
|
≤1.5
|
≤0.10
|
≤0.10
|