How to optimize cement mill

1. WEL COME TO
CEMENT GRINDING
Avadhesh Varshney

2. CONTENTSCONTENTS
1. Introduction
2. Cascading Effect of Grinding Media Charge
3. Grinding with Cement Mills Over View Internal
Element
4. Over view Internal Element
5. Operation of Cement Mills
6. Chamber Sampling.
7. Seperator
8. Operation of Seperator
a. Seperator Efficiency
b. Circulating load
c. Tromp curve
9. Cement Grinding System.
Avdhesh varshney

3. ENERGYENERGY
Rittinger “First Law of COMMINUTION”
WR = 1
/X2 - 1
/X1
Kick “Third Law of COMMINUTION”
Wk = In [ x1
/X2]
BOND “third Law of comminution”
WB = EB [10/√x80,p – 10/√80,p ]
E B = BOND’S WORKABIILITY INDEX
X 80 = 80 % PASSING (um)
WB = SPECIFIC COMMINU TION ENGG [ KWh
/t]Avdhesh varshney

4. 1. Comminution Engineering Size – Reduction
Comminution – 50% - 70% of Plant Electrical
Engg Consumption
2. Comminution Methods
i. Compression forces
ii. Friction / Shear forces
iii. Inter particles contact forces
iv. Impact Forces
Avdhesh varshney

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