partial report - rawan

8/11/2019 Partial Report - Rawan

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Grasim Cement, Raipu r

India

Pro ject No: 10-31017

Case No : 20100035

2010-05-14

Partial Report

FLSmidth A/S

R&D Centre DaniaDaniavej 49DK-9550 Mariager, DenmarkTel + 45 3618 1000Fax + 45 3618 [email protected]

FLSmidth Private Limited

R&D Centre Chennai34 Egattur, KelambakkamTamil Nadu 603103, IndiaTel +91 44 4748 1000Fax +91 44 2747 0301R&[email protected]

LABORATORY REPORT
mailto:[email protected]:[email protected]


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Grasim Cement, RaipurIndia

Case No: 20100035 2010-05-14 Page 1 of 1

LABORATORY REPORTOrdered by: DKS-INCopies to : BLO-IN, SNE-IN, SSA-IN

SAMPLE DESCRIPTION

SAMPLE NAME SAMPLE NUMBER WEIGHT, KG DATE RECEIVED

Limestone 01 1500 2010-01-29

Clay 02 500 2010-01-29

Shale 03 425 2010-01-29

Iron Ore 04 150 2010-01-29

Coal Grade B 05 25 2010-01-29

Coal Grade C 06 25 2010-01-29

Pet Coke 07 25 2010-02-09

Fly Ash 10 60 2010-03-09

Clinker 11 600 2010-03-09

Gypsum 12 35 2010-03-09

Slag 13 150 2010-03-09

CONTENTS OF REPORT (ANALYSES / TESTS)

ENCL. NO. ITEM

1. Material Description2. Characterization of Materials

3. Analysis of Solid Fuel

4. Raw Mix Calculation

5. Burnability

6. Heat of Reaction

7. ATOX Vertical Roller Mill Test


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Grasim Cement, Raipur

IndiaEncl.: 1.1

Material Description - Sample as received

SAMPLE DESCRIPTION

ID SAMPLE NAME MATERIAL TYPE SAMPLE NUMBER

01 Limestone Limestone 20100035-01

INSPECTION

Received: 2010-02-12

Container: 5 Drum, steel

Weight, kg: 1500

COLOR

Munsell Color: Gray

Color Code: Gley1 6/N

BULK MATERIAL PROPERTIES

PROPERTY OF SAMPLE

MATERIAL CRUSHAB ILITY

PROPORTION OF FINES GRAIN-SIZE SCA LE (m m)

Boulders

Cobbles Top size (mm)

Pebbles 100x50x40

Granules

Sand Average size (mm)

Silt 60x30x30

Clay

MINOR COMPONENTS ADDITIONAL INFORMATION

LABORATORY SUGGESTIONS (MATERIAL CONSIDERATIONS)

Doubleclick here to insert picture

The material smells

Moist

Caking

Dry

Only Plastic/Soft materials

Both fines materials and hard specimen

Only hard specimen

Very Weak - The material can be scratched by thumbnail

Weak - Knife cuts material

Very Strong - Requires many blows by hammer to break into specimens

Strong - Hand held specimens broken by single blow of hammer

None

Low

Medium

High

> 256

64 - 256

4 - 64

2 - 4

0.1 - 2

0.004 - 0.1

< 0.004

Yes No

Flowability Max moisture Load strength Sample contains 10 or more specimens larger that 35 mm

Material wrapped up in Plastic

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SAMPLE DESCRIPTION


02 Clay Clay 20100035-02

INSPECTION



Weight, kg: 500

COLOR

Munsell Color: Yellow

Color Code: 10 YR 7/8


PROPERTY OF SAMPLE



Boulders


Pebbles 95x80x45

Granules


Silt 50x30x25

Clay




The material smells

Moist

Caking

Dry



Only hard specimen





None

Low

Medium

High

> 256

64 - 256

4 - 64

2 - 4

0.1 - 2

0.004 - 0.1

< 0.004

Yes No



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SAMPLE DESCRIPTION


03 Shale Shale 20100035-03

INSPECTION



Weight, kg: 425

COLOR

Munsell Color: Pink

Color Code: 5YR 7/4


PROPERTY OF SAMPLE



Boulders


Pebbles 110x60x25

Granules


Silt 60x30x15

Clay



We Observed 3 Types of color Material Pink ,Yellow &White


The material smells

Moist

Caking

Dry



Only hard specimen





None

Low

Medium

High

> 256

64 - 256

4 - 64

2 - 4

0.1 - 2

0.004 - 0.1

< 0.004

Yes No



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SAMPLE DESCRIPTION


04 Iron Ore Iron Ore 20100035-04

INSPECTION


Container: 4 Bag, plastic

Weight, kg: 150

COLOR

Munsell Color: Brown

Color Code: 7.5YR 4/3


PROPERTY OF SAMPLE



Boulders


Pebbles 50x25x15

Granules


Silt 20x15x10

Clay




The material smells

Moist

Caking

Dry



Only hard specimen





None

Low

Medium

High

> 256

64 - 256

4 - 64

2 - 4

0.1 - 2

0.004 - 0.1

< 0.004

Yes No



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SAMPLE DESCRIPTION


05 Coal Grade B Coal 20100035-05

INSPECTION



Weight, kg: 25

COLOR

Munsell Color: Black

Color Code: 7.5YR 2.5/1


PROPERTY OF SAMPLE



Boulders


Pebbles 60x50x30

Granules


Silt 30x15x10

Clay




The material smells

Moist

Caking

Dry



Only hard specimen





None

Low

Medium

High

> 256

64 - 256

4 - 64

2 - 4

0.1 - 2

0.004 - 0.1

< 0.004

Yes No



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SAMPLE DESCRIPTION


06 Coal Grade C Coal 20100035-06

INSPECTION



Weight, kg: 25

COLOR




PROPERTY OF SAMPLE



Boulders


Pebbles 70x50x25

Granules


Silt 30x25x15

Clay




The material smells

Moist

Caking

Dry



Only hard specimen





None

Low

Medium

High

> 256

64 - 256

4 - 64

2 - 4

0.1 - 2

0.004 - 0.1

< 0.004

Yes No



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IndiaEncl.: 1.7


SAMPLE DESCRIPTION


07 Pet Coke Petcoke 20100035-07

INSPECTION


Container:

Weight, kg: 25

COLOR




PROPERTY OF SAMPLE



Boulders


Pebbles 45x40x20

Granules


Silt 4mm

Clay




1 Drum, steel small

The material smells

Moist

Caking

Dry



Only hard specimen





None

Low

Medium

High

> 256

64 - 256

4 - 64

2 - 4

0.1 - 2

0.004 - 0.1

< 0.004

Yes No



Case No: 20100035 2010-05-14 Page 1 of 1


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Encl.: 2.1


01 Limestone Limestone 20100035-01

02 Clay Clay 20100035-02

03 Shale Shale 20100035-03

04 Iron Ore Iron Ore 20100035-04

PARAMETER METHOD UNIT 01 02 03 04

Moisture Content (105C) FLS-B21 % 0.1 5.1 1.0 1.8

SiO2 FLS-D03 % 11.47 40.76 61.85 5.07

Al2O3 FLS-D03 % 2.68 15.17 14.43 5.74

Fe2O3 FLS-D03 % 1.25 28.47 7.02 82.66

CaO FLS-D03 % 45.24 4.12 2.98 0.55

MgO FLS-D03 % 1.13 0.79 2.42 0.17

Mn2O3 FLS-D03 % 0.03 0.23 0.02 0.06

TiO2 FLS-D03 % 0.17 0.82 0.90 0.36

P2O5 FLS-D03 % 0.04 0.05 0.11 0.20

K2O FLS-D03 % 0.67 1.57 3.79 0.10

Na2O FLS-D03 % 0.16 0.63

SrO FLS-D03 % 0.01 0.01

LOI, 975 C FLS-D00 % 36.72 10.30 5.28 6.10

TOTAL FLS-D03 % 99.57 102.28 99.44 101.01

Sulphur, total FLS-D08 % 0.02 0.01 0.26 0.04

Organic Carbon FLS-D27 % 0.05 0.23 0.08 0.10

Chloride FLS-D07 % 0.006 0.001 0.002 0.002

Lime saturation factor (LSF) FLS-D03 % 125 3 2 1

Silica modulus (MS) FLS-D03 - 2.9 0.9 2.9 0.1

Iron modulus (MA) FLS-D03 - 2.1 0.5 2.1 0.1

Characterization of Materials

SAMPLE DESCRIPTION

Moisture

Chemical analyses

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05 Coal Grade B Coal 20100035-0505.01 Coal Ash Coal Ash 20100035-05.01

PARAMETER METHOD UNITAs analysed

(air dried)As received Dry

Dry,

ash free

Dry, mineral

matter free

Analys is

Free moisture FLS-B21BS % 0.3Moisture in air-dried sample FLS-E03BS % 6.6Total moisture CALC-BS % 6.9Volatile matter FLS-E03BS % 30.2 30.1 32.3 46.5 42.8Ash FLS-E03BS % 28.5 28.4 30.5Fixed Carbon CALC-BS % 34.7 34.6 37.2 53.5 57.2Carbon FLS-E10 % 51.5 51.3 55.1 79.4 82.6Hydrogen FLS-E10 % 3.11 3.10 3.33 4.79 4.36

SulphurFLS-E09BS

% 0.48 0.48 0.51 0.74 0.86Nitrogen FLS-E10 % 1.14Oxygen CALC % 8.67CO2 FLS-D27 %

Mineral matter CALC-BS % 31.0 31.0Gross calorific value FLS-E08ISO kJ/kg 20559 20497 22012 31678 32994

FLS-E08ISO kcal/kg 4910 4896 5257 7566 7881Net calorific value FLS-E08ISO kJ/kg 19731 19665 21298 30651

FLS-E08ISO kcal/kg 4713 4697 5087 7321K2O FLS-D13 % 0.31

Na2O FLS-D13 % 0.02

Chloride FLS-D07BS % 0.007Hardgrove grindability index FLS-I08ISO

Wear Index FLS-I12BS mg/kg

(total hydrogen - hidden) % 3.85Safety index CALC 1

PARAMETER METHOD UNIT PARAMETER METHOD UNIT

Fineness (s ieve open ings) nalyses of ash

Residue on 40 mm Machine % SiO2 XRF % 65.06

Residue on 25 mm Machine % Al2O3 XRF % 23.09

Residue on 16 mm Machine % Fe2O3 XRF % 4.84

Residue on 8 mm Machine % CaO XRF % 1.54

Residue on 4 mm Machine % MgO XRF % 0.68

Residue on 2 mm Machine % Mn2O3 XRF % 0.07

Residue on 1 mm Machine % TiO2 XRF % 1.65

Residue on 500 m Machine %P

2O

5 XRF % 0.16Residue on 250 m Alpine % SrO XRF % 0.02

Residue on 200 m Alpine % LOI, 975 C % 0.74

Residue on 90 m Alpine % TOTAL % 99.06

Residue on 45 m Alpine %

1.07

1

1.54

1.6

Analysis of solid fuel

SAMPLE DESCRIPTION

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06 Coal Grade C Coal 20100035-0606.01 Coal Ash Coal Ash 20100035-06.01



Dry,

ash free

Dry, mineral

matter free

Analys is

Free moisture FLS-B21BS % 0.3Moisture in air-dried sample FLS-E03BS % 6.1Total moisture CALC-BS % 6.4Volatile matter FLS-E03BS % 29.2 29.1 31.1 45.7 41.7Ash FLS-E03BS % 30.0 29.9 31.9Fixed Carbon CALC-BS % 34.7 34.6 37.0 54.3 58.3Carbon FLS-E10 % 52.5 52.3 55.9 82.2 85.7Hydrogen FLS-E10 % 3.19 3.18 3.39 4.99 4.53

SulphurFLS-E09BS

% 0.47 0.47 0.50 0.74 0.86Nitrogen FLS-E10 % 1.16Oxygen CALC % 6.58CO2 FLS-D27 %



FLS-E08ISO kcal/kg 4703 4687 5046 7415K2O FLS-D13 % 0.39

Na2O FLS-D13 % 0.03





Fineness (s ieve open ings) nalyses of ash

Residue on 40 mm Machine % SiO2 XRF % 65.26

Residue on 25 mm Machine % Al2O3 XRF % 22.93

Residue on 16 mm Machine % Fe2O3 XRF % 4.92

Residue on 8 mm Machine % CaO XRF % 1.29

Residue on 4 mm Machine % MgO XRF % 0.69

Residue on 2 mm Machine % Mn2O3 XRF % 0.07

Residue on 1 mm Machine % TiO2 XRF % 1.51

Residue on 500 m Machine %P

2O

5 XRF % 0.16Residue on 250 m Alpine % SrO XRF % 0.03

Residue on 200 m Alpine % LOI, 975 C % 0.74

Residue on 90 m Alpine % TOTAL % 99.05


1.06

1

1.56

1.63


SAMPLE DESCRIPTION

Case No: 20100035 2010-05-14 Page 1 of 1


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IndiaEncl.: 3.3


07 Pet Coke Petcoke 20100035-07



Dry,

ash free

Dry, mineral

matter free

AnalysisFree moisture FLS-B21BS % 0.6Moisture in air-dried sample FLS-E03BS % 0.9Total moisture CALC-BS % 1.5Volatile matter FLS-E03BS % 10.7 10.6 10.8 10.8 10.4Ash FLS-E03BS % 0.2 0.2 0.2Fixed Carbon CALC-BS % 88.2 87.7 89.0 89.2 89.6Carbon FLS-E10 % 87.2 86.7 88.0 88.2 90.6Hydrogen FLS-E10 % 3.65 3.63 3.68 3.69 3.86

Sulphur FLS-E09BS % 4.87 4.84 4.91 4.92 1.43Nitrogen FLS-E10 % 1.79Oxygen CALC % 1.39CO2 FLS-D27 %



FLS-E08ISO kcal/kg 8285 8231 8365 8382K2O FLS-D13 %

Na2O FLS-D13 %





Fineness (sieve openings) Analyses of ash

Residue on 40 mm Machine % SiO2 XRF %

Residue on 25 mm Machine % Al2O3 XRF %

Residue on 16 mm Machine % Fe2O3 XRF %

Residue on 8 mm Machine % CaO XRF %

Residue on 4 mm Machine % MgO XRF %

Residue on 2 mm Machine % Mn2O3 XRF %

Residue on 1 mm Machine % TiO2 XRF %Residue on 500 m Machine % P2O5 XRF %

Residue on 250 m Alpine % SrO XRF %

Residue on 200 m Alpine % LOI, 975 C %

Residue on 90 m Alpine % TOTAL %


1.01

0.99

1.01

1.04


SAMPLE DESCRIPTION

Case No: 20100035 2010-05-14 Page 1 of 1


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RAW MIX CALCULATION

PLANT: Grasim Cement, Raipur Encl.: 4.1

CASE.NO.: Date:

Raw Mix Calculation Mix 1

Ed. 1, 29-03-2010 by DKS Clinker Mix M01 M02 M03 M04 F01 A01 F02 A02

Mix [% dry] 100.00 96.29 1.00 1.61 1.10 100.00 0.00 100.00

Mix [as analysed % wet] 100.00 96.29 1.00 1.61 1.10 100.00 0.00 100.00

Mix [as fired % wet] 100.00 0.00 100.00H2O (analysed) [% (wb)] 0.00 0.00 0.00 0.00 0.00 6.10 6.60 6.10

H2O (as fired) [% (wb)] 1.00 1.00 1.00

SiO 2[%] 21.44 12.51 11.47 40.76 61.85 5.07 65.26 65.06 65.26

Al2O 3 [%] 5.51 3.03 2.68 15.17 14.43 5.74 22.93 23.09 22.93

Fe 2O 3 [%] 3.94 2.51 1.25 28.47 7.02 82.66 4.92 4.84 4.92

CaO [%] 64.77 43.65 45.24 4.12 2.98 0.55 1.29 1.54 1.29

MgO [%] 1.72 1.14 1.13 0.79 2.42 0.17 0.69 0.68 0.69

Mn 2O 3 [%] 0.05 0.03 0.03 0.23 0.02 0.06 0.07 0.07 0.07

TiO 2[%] 0.35 0.19 0.17 0.82 0.90 0.36 1.51 1.65 1.51

P2O 5[%] 0.07 0.04 0.04 0.05 0.11 0.20 0.16 0.16 0.16

K2O [%] 1.13 0.72 0.67 1.57 3.79 0.10 0.39 0.31 0.39

Na 2O [%] 0.25 0.16 0.16 0.63 0.03 0.02 0.03

SrO [%] 0.02 0.01 0.01 0.01 0.03 0.02 0.03

SO 3 [%] 0.26 0.00

LOI [%] 35.61 36.72 10.30 5.28 6.10 0.74 0.74 0.74Total [%] 99.51 99.61 99.57 102.28 99.44 101.01 97.60 97.85 97.60

S Total [%] 0.11 0.02 0.02 0.01 0.26 0.04 0.47 0.48 0.47

S Pyrite [%] 0.00

Cl-[%] 0.010 0.006 0.006 0.001 0.002 0.002 0.011 0.007 0.011

F-[%] 0.00 0.00 0.00

Cr2O 3 [ppm] 0 0 0

Ash [%] 4.55 30.00 28.50 30.00

Hi (analysed) [kcal/kg] 4703 4713 4703

Exp. kiln heat cons. [kcal/kg] 702.0

LSF [%] 93.7 108.5 125.4 2.7 1.5 0.7

MS 2.27 2.26 2.92 0.93 2.88 0.06

MA 1.40 1.21 2.14 0.53 2.06 0.07

Na 2O eq. [%] 0.99 0.64 0.60 1.03 3.12 0.07

K2O eq. [%] 1.51 0.97 0.91 1.57 4.75 0.10

C3S [%] 52.00 M01: Limestone

C2S [%] 22.24 M02: ClayC3A [%] 7.93 M03: Shale

C4AF [%] 11.99 M04: Iron ore

C2F [%] 0.00 F01: Coal B

Free CaO [%] 1.50 F02: Coal C

Liq. Ph. 1450 C [%] 28.75

Liq. Ph. 1338 C [%] 27.96

M SO 3 0.23

Exc. SO 3 [g/100 kg] 0

Calc. rev. 08-01 / May 29, 2008 / CBMI

20100035

Total fuel+ash

2010-05-14

Case No.20100035 2010-05-14 Page 1 of 1


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Encl.: 5.1


09 Raw Mix for Burnability Raw Mix

06.01 Coal Ash Coal Ash

PARAMETER METHOD UNIT 09

SiO2 FLS-D03 % 13.99

Al2O3 FLS-D03 % 3.61

Fe2O3 FLS-D03 % 2.59

CaO FLS-D03 % 42.42

MgO FLS-D03 % 1.12

Mn2O3 FLS-D03 % 0.03

TiO2 FLS-D03 % 0.23

P2O5 FLS-D03 % 0.05K2O FLS-D03 % 0.73

Na2O FLS-D03 % 0.10

SrO FLS-D03 % 0.01

LOI, 975 C FLS-D00 % 34.81

TOTAL FLS-D03 % 99.69

Fluoride FLS-D34 % 0.03

C3S in Clinker (Free CaO=0) FLS-D03 % 59

Lime saturation factor (LSF) FLS-D03 % 94

Silica modulus (MS) FLS-D03 - 2.3

Iron modulus (MA) FLS-D03 - 1.4

PARAMETER METHOD UNIT Coarse Medium Fine

Residue, 200 m, wet WET % 2.0 0.3 0.1

Residue, 125 m, wet WET % 3.0

Residue, 90 m, wet WET % 19.8 13.8 9.9

Residue, 90 m, alpine ALPINE % 20.2 14.3 10.0

Residue, 45 m, wet WET % 30.7

Free CaO after burning at 1400 C FLS-D23 % 1.1 0.8 0.7



Burnability Index FLS-D23 - 30 27 24Burnability Classification FLS-D23 - EASY EASY EASY

Burnabi l i ty test on Raw Mix with Coal As h

Burnability Test

SAMPLE DESCRIPTION

Character izat ion of Raw Mix w ith Coal As h (Coal Grade C)

Fineness on Raw Mix

20100035-06.01

20100035-09

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SAMPLE DESCRIPTION


09 Raw Mix

06 Coal

06.01 Coal Ash

PARAMETER UNIT * RESULT PARAMETER UNIT RESULT

Raw m ix Fuel: Coal

SiO2 % 12.51 Fuel in percentage of clinker % 14.9

Al2O3 % 3.03 Sulphur, total % 0.47

Fe2O3 % 2.51 Ash in percentage of fuel % 30.0

CaO % 43.65 Net calorific value ( Q net,p ) kJ/kg 19690

MgO % 1.14 kcal/kg 4703

SO3 % * 0.01 Heat consumption, clinker kJ/kg 2939

Loss on ignition (LOI) % 35.61 kcal/kg 702

TOTAL % 98.46 Analys is o f ash

CO2 % * 34.86 SiO2 % 65.26

K2O % 0.72Al2O3 % 22.93

Na2O % 0.16 Fe2O3 % 4.92

Sulphur, total % 0.02 CaO % 1.29

Water of crystallisation % * 0.86 MgO % 0.69

Carbon1) % * 0.05 K2O

2) % 1.30

Na2O2) % 0.10

CaCO3 % 77.93 CaSO4 % 0.02

MgCO3 % 1.09 Silica-combined CaO % 0.00Sulphur in pyrites % 0.02

RAW MIX ADJUSTMENT

PARAMETER UNIT RAW MIX ADJUSTMENT FUEL

SiO2 % 12.51 1.97 14.48

Al2O3 % 3.03 0.69 3.72

Fe2O3 % 2.51 0.15 2.66

CaO % 43.65 0.04 43.69

MgO % 1.14 0.02 1.16

SO3 (total) % 0.05 0.12 0.17

K2O % 0.72 0.04 0.76

Na2O % 0.16 0.00 0.16TOTAL % 63.77 3.03 T = 66.80

SULPHUR BA LANCE AND RAW MIX / CLINKER RATIO

Adjusted raw mix, total : T : 66.80

Volatilised : U = 50 U : 0.02

SO3 in clinker (calculated) : 0.22

Raw mix / clinker ratio F : 1.50

Remarks:

* Analytical results

1) Carbon as CO2is not included. 2) Calculated from analysis of solid fuel.

(loss of dust = 0 %) : F = 100 / ( T U ) :

% of sulphur in pyrites as SO3

CALCULATED VALUES

Heat of reaction

ADJUSTED RAW MIX

20100035-09Raw Mix for Burnability

Coal Grade C

Coal Ash

20100035-06

20100035-06.01

Case No: 20100035 2010-05-14 Page 1 of 2


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India

CALCULATIONSContent

%

Conversion factors

kJ / kg / %

RAWMIX

kJ / kg

CLINKER

kJ / kg

RAWMIXCaCO3 77.93 -17.78 -1386

MgCO3 1.09 -15.10 -16

Water of crystallisation 0.86 -42.70 -37

Silica-combined CaO 0.00 -17.00 0

Alkali silicates (K2O + Na2O) 0.88 -14.80 -13

-1452 xF: -2174

Heat of fo rmat ion

Property Component Adj. RAWMIX

C3S CaO 43.69 -0.46 -20

C2S SiO2 14.48 21.43 310

C3A Al2O3 3.72 1.21 5

C4AF Fe2O3 2.66 2.46 7

SO3 from fuel and pyrites 0.14 59.60 8

309 xF: 463

Heat of combus t ion

Carbon 0.05 327.86 16

Sulphur in pyrites 0.02 129.14 2

18 xF: 28

Heat of reactio n

HEAT OF REACTION (A + B + C): -1683

-402

HEAT OF REACTION excl. HEAT OF COMBUSTION (A + B): -1711

-409( kcal / kg clinker )

Heat of combustion (C):

( kJ / kg clinker )

( kJ / kg clinker )

( kcal / kg clinker )

Heat of reaction

Heat of decompos it ion

Heat of decomposition (A):

Heat of formation (B):

Encl.: 6.1

Case No: 20100035 2010-05-14 Page 2 of 2


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Encl.: 7.1 Page 1

PLANT : Grasim Cement, Raipur Case. No.:MATERIAL : Rawmix Date :

PROJECT : VRM No. :

MILL FEED, COMPOSITION

M1 : 96.29%

M2 : 1.00%M3 : 1.61%

M4: 1.10%

SIEVE ANALYSIS - MOISTURE DETERMINATION :

Sample Id. : M1 M2 M3 M4 M5 M6 M7 M8 MIX

AS RECEIVED

Moisture : (%)

Sieve Residues :

: (%)

: (%)

40 mm : (%)

25 mm : (%)

16 mm : (%)

8 mm : (%)

4 mm : (%) 2 mm : (%)

1 mm : (%)

500 m : (%)

250 m : (%)

200 m : (%)

90 m : (%)

45 m : (%)

32 m : (%)

AFTER PRECRUSHING, -25mm

Moisture :

+4 mm : (%)

+4mm, max : (%)

-4 mm : (%)

-4 mm, max : (%)

Sieve Residues :

16 mm : (%)

8 mm : (%)

4 mm : (%)

2 mm : (%)

1 mm : (%)

500 m : (%)

250 m : (%)

200 m : (%)

90 m : (%)

45 m : (%)

32 m : (%)

AFTER PRECRUSHING, -16 mm Mill Feed

Sieve Residues :

8 mm : (%) 8.424 mm : (%) 49.94

2 mm : (%) 73.52

1 mm : (%) 85.42

500 m : (%) 91.91

250 m : (%) 95.16

200 m : (%) 95.54

90 m : (%) 96.97

45 m : (%)

32 m : (%)

et sieving :

90 m : (%)

45 m : (%)

Spec. Surf. (m/kg)

20100035

2010-04-14

ATOXIN10-11

Limestone

ClayShale

Iron ore

LABORATORY REPORT

F.L.Smidth Research Center - Chennai, IndiaVERTICAL MILL

Mill feed composition and Sieve analysis


19/23

Encl.: 7.1 Page 2

PLANT : Grasim Cement, Raipur Case. No. :MATERIAL : Rawmix Date :

PROJECT : RM No. :MILL FEED, COMPOSITION

M1 : 96.29%

M2 : 1.00%

M3 : 1.61%

M4: 1.10%

TEST PARAMETERS

Mill : Moisture :

Revolutions : (rpm) 100 Mill feed : (%) 2.44

Grind. pres. : (bar) 90 Product : (%) 0.17

Grind. force : (kN) 26

(kN/m) 596Gas :

Quantity : (m/h) 996

Temp out : (C) 91

TEST RESULTS

Period 1 2 3 4 5 6 7

Separator : Static () 39 30 25 22

Dyn. press. (mmWg) 238 238 239 238

Grinding bed:

Average for rollers: (mm)

Power consumption :

Mean : (kW) 4.46 4.56 4.65 4.77

Total (spec.) : (kWh/t) 10.39 9.27 8.78 8.66

Production :

Total : (kg) 26.7 21.9 34.1 35.5

Rate : (t/h) 0.429 0.492 0.530 0.550

Sieve residue :

90 m : (%) 7.2 14.2 21.0 26.0

200 m : (%) 0.9 1.3 3.3 5.0

Grinding constants :

90 m : (kWh/t) 9.21 11.12 13.20 15.15

200 m : (kWh/t) 5.10 4.94 6.02 6.77

- Factor : 0.116 0.118 0.121 0.124

ABRASION TEST

Wear parts : brasion :

Table : Cromin 15 Table : (g) 0.3Rollers : Cromin 15 Roller 1 : (g) 0.1

Roller 2 : (g) 0.1

Test time (h) 1.37 Roller 3 : (g) 0.2

Average (net) (kW) 4.61 Total : (g) 0.7

Ground mat. (t) 0.662

Fineness, average : Table : (g/t) 0.5

90 m (%) 18.1 Rollers : (g/t) 0.6

TOTAL ABRASION 1.1 (g/t)

.5 (g/h)

.1 (g/kWh)

20100035

2010-04-14

ATOXIN10-11

Limestone

Clay

Shale

Iron ore

LABORATORY REPORT.



20/23

Encl.: 7.1 Page 3

PLANT : Grasim Cement, Raipur Case.No. :MATERIAL : Rawmix VRM No.: Date :

PROJECT :

20100035

2010-04-14ATOXIN10-11

y = 0.0059Ln(x) + 0.1036

R2= 0.9261

0.000

0.010

0.020

0.030

0.040

0.050

0.060

0.070

0.080

0.090

0.100

0.110

0.120

0.130

0.140

0.150

0.0 5.0 10.0 15.0 20.0 25.0

Sieve residue 90 m, Alpine (%)

-Factor

Rawmix Log. (Rawmix)

LABORATORY REPORT


-factor vs. Sieve residue on 90m


21/23


22/23

Encl.: 7.1 Page 5

PLANT : Grasim Cement, Raipur Case.No. :MATERIAL : Rawmix VRM No.: Date :

PROJECT :

20100035

2010-04-14ATOXIN10-11

y = 0.3975e0.0132x

R2= 0.9609

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

1.00

1.10

1.20

1.30

1.40

0.0 5.0 10.0 15.0 20.0 25.0

Sieve residue 90 m, Alpine (%)

Production(t/h)

Rawmix Expon. (Rawmix)

LABORATORY REPORT


Production rate vs. Sieve residue on 90m


23/23


Disclaimer

This report is based on material, samples and information which FLSmidth has received from you, andFLSmidth is only liable and responsible for the accuracy and correctness of this report and the informationset out herein to the extent that such material and/or information is correct, true and representative. Suchliability shall in any event be limited to the direct loss suffered by you as a consequence of FLSmidths erroror negligence. Neither FLSmidth nor any person or company associated with FLSmidth shall be liable forany loss or damage resulting from your or any third party's use of this report or the information providedherein as a result of use of the report and/or any of the information set out herein contrary to the purposefor which it was intended.

FLSmidths liability for this report shall in any event never exceed the liability that FLSmidth has accepted inany contract signed between FLSmidth and yourselves.

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Group: FLSmidth, FLS, .

Other product names mentioned herein may be trademarks of their respective companies and referenceherein to any specific product, process, or service of a third party by trade name, trademark, manufacturer,or otherwise does not necessarily constitute or imply its endorsement by FLSmidth.

partial report - rawan

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