Comparison between different types of Coolers

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Comparison between different types of Coolers

S.No Parameter unit 1st
Generation
1. Grate plate type

2. Cooling air input Nm
3. Cooler exhaust
air volume
4. Heat availability
in cooler exhaust
5.

6. Recuperation
efficiency
/kg
clinker
Nm
3
/kg
clinker
3
kcal / kg
clinker
Mkcal /hr for
1 MMTPA
Vertical
aeration
with holes
in the plate
2nd
Generation
Horizontal
aeration
3rd
Generation
Horizontal
aeration
2.0 – 2.5 1.8-2.0 1.4- 1.5
1.0 – 1.5 0.9 – 1.2 0.7 – 0.9
100 -120 80 – 100 70 – 80
12.5 – 15.0 10.0 – 12.5 8.8 – 10.0
% <65 <70 >73

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