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BEFORE OPTIMIZATION (AFTER MAY2009 BRICK LINING WORK)

Cooler heat balance Date- 12-7-2008

Ref.Temp.(deg.C) Flow Flow Cp Temp. H35 kg/kg-cl, kg/kg-cl kcal/kg OC OC kcal

Nm3/kg-cl

Heat in

Clinker 1 1 0.26 1350 34

Cooling air 2.37 3.06 0.24 35 0

Total 3

Heat out

Cooler vent 1.50 1.93 0.24 336 14

Discharged clinker 1 1 0.19 106 1

Radiation loss 2

Total 1

NOTE:

Cooler efficiency on

heat loss basis=

= 54 %

SAVING OF THERMAL ENERGY BY COOLE

= 27.3

Energy cost Rs/m kcal 6

Clinker production Tonne p.a. 90

Heat saving k cal/kg.clk 2

saving p.a.cooler heat Rs.p.a. 160

Cr.p.a. 1.

=

UNDER GRATE PRESSURE IS BETWEEN 450 TO 470 MM WG.

((heat in by clinker + cooling air) -(heat loss by vent air+ clinker + radi

SAVING OF HEAT BY PREHEATER EXHAU

THERMAL ENERGY COST SAVING BY INC

EFFICIENCY

THERMAL ENERGY COST SAVING BY RE

TEMP.

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Clinker production Tonne p.a. 90

Heat saving k cal/kg.clk 1

saving p.a.PH exhaust heat Rs.p.a. 585

Cr.p.a. 0.

ELECTRICAL ENERGY SAVING=

ELECTRICAL ENERGY COST=

CLINKER PRODUCTION = 9

POWER COST SAVING =

TOTAL SAVING BY THERMAL AND ELECT

=

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AFTER OPTIMIZATION (AFTER NOVEEMBER 2009 BRICK LINING

Cooler heat balance Date- 19-12-2008

eat % Ref.Temp.(deg.C) Flow Flow Cp Temp.l/kg-cl 35 kg/kg-cl, kg/kg-cl kcal/kg OC OC k

Nm3/kg-cl

Heat in

3.08 100 Clinker 1 1 0.26 1350

.00 0 Cooling air 2.1 2.72 0.24 35

43 100 Total

Heat out

2.49 90 Cooler vent 1.28 1.65 0.24 325 1

.61 9 Discharged clinker 1 1 0.19 96

.44 2 Radiation loss

59 100 Total

NOTE:

Cooler efficiency on

heat loss basis=

= 62 %

R OPTIMIZATION

8 K Cal/kg clinker

50

0000

.38

14510

601

10 K Cal/kg clinker

tion))/( total heat in)

UNDER GRATE PRESSURE IS BETWEEN 570 TO 5

((heat in by clinker + cooling air) -(heat loss by v

radiation))/( total heat in)

ST GAS TEMP. REDUCTION

EASING COOLER

UCING PH. EXHAUST GAS

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0000

.00

0000

585

1.3 Unit/tonne clk

3.2 Rs/unit

00000 Tonne p.a.

.3744 Cr.p.a.

ICAL ENERGY

.6 Cr.p.a.

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ORK)

Heat %al/kg-cl

43.08 100

0.00 0

343 100

117.06 89

11.66 9

2.44 2

131 100

90 MM WG.

ent air+ clinker +

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