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Date 13/4/2013

Variable Variable name Value unit

a1 Datum / Refernce temperature 0 Deg C

a2 Kiln feed rate 208 TPHa3 Kiln feed temp 83 Deg C

a4 NCV of coal** 5500 Kcal/kg coal

a5 Heat of formation 411 Kcal/kg clinker

a6 Moisture in Kiln Feed 0.1 % by wt

a7

Preheater exhaust gas

tempeature 315 Deg C

a8 Efficiecy of Top stage cyclone 91 %

a9 Cooler Exhaust gas volume 0.88 Nm3/kg cl

a10 Cooler Exhaust gas temp 258 Deg C

a11 Cooling air temperature 34.5 Deg Ca12 Clinker temp at cooler inlet 1350 Deg C

a13 Clinker production (a2/a16) 130 TPH

a14 Total Cooling air volume 1.91 Nm3/kg cl

a15 Cooler radiation loss 5.40 Kcal/kg cl

a16 Kiln feed to clinker factor 1.60

a17 Fuel rate 18.40 TPH

a18 Preheater exhaust gas volume 1.4 Nm3/kg cl

a19 Clinker temp at cooler outlet 168 Deg C

a20 Dust concentration In ph gas 0.04 Kg/Nm3

a21 Moisture in coal dust 2.5 %a22 Coal dust temperature 57 Deg C

Notes

Heat Balance input data sheet (With Indonesia+SCCL coal)

These values are to be entered by the user

These values are to be calculated from other cells

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Output sheet I

Kiln heat balance (With Indonesia+SCCL coal)

Heat input (in Kcal /Kg of clinker )

Parameter Name value

From kiln feed b1 28.62From cooling air b2 20.43

From fuel b3 730.76

Coal dust sensible heat b4 2.35

Total heat input b5 782.15

Heat output (in Kcal /Kg of clinker )

Parameter Name value

Heat of formation c1 410.53

Kiln feed moisture evoparation c2 0.86

Coal dust moisture evoparation c3 1.91

Heat through PH exhaust gas c4 158.76

Heat through dust entrained in PH exhaust gas c5 4.50

Heat through Cooler Vent air c6 70.84

Heat through Clinker c7 31.75

Radiation & Convection heat loss c8 103.00

Total heat output c9 782.15

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Formula %

a2 * 0.2155 * (a3 - a1) / a13 3.66a14 * 0.311 * (a11 - a1) 2.61

b5 - (b1+b2+b4) 93.43

a17 * 0.291 * (a22 - a1) 0.30

c10 99.70

Formula %

a5 52.49

a16 * a6 * 540 / 100 0.11

a17 * a21 * 540 / ( 100 * a13) 0.24

a18 * 0.36 * (a7 - a1) 20.30

a18 * a20 * 0.232 * (a7 - a1) 0.58

a9 * 0.317 * (a10- a1) 9.06

(a19 - a1) * 0.189 4.06

kiln radiation + preheater + cooler 13.17

100

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Cooler efficiency SET I

Parameter Name value

Heat input (in Kcal /Kg of clinker )

From clinker d1 368.96

From cooling air d2 20.49

Total heat input d1+d2 389.45

Heat output (in Kcal /Kg of clinker )

Heat through Cooler Vent air e1 70.84

Heat through Clinker e2 31.75

Radiation & Convection heat loss e3 5.40

Cooler Recuperation efficiency e4 72.27

Heat through secondary and tertiary air e5 281.46

Total heat output e1+..+e5 389.45

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Formula %

%

(a12- a1) * 0.2733 94.74

a14 * 0.311 * (a11 - a1) 5.26

100.00

a9 * 0.317 * (a10- a1) 18.19

(a19 - a1) * 0.189 8.15

1.39

72.27

100.00