LINING RULES

CEMENT ROTARY KILNLINING RULES

Summary

1 Reference lines are drawn axially and radially

2 Lining patterns are staggered3 Conicity is respected4 Mortar is used to correct deformed shell/welding5 Key bricks are staggered6 Shims are not installed close

to key bricks12 Brick quality is not changes

under tyres or girth gear

7 Rings are closed using hydraulic jack8 Bricks are cut with a brick cutting machine9 Cut bricks are always in between full bricks10 Last ring is keyed properly11 No brick upside down / Check hot face marking12 Brick quality is not changes

under tyres or girth gear

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LINING RULES

Reference lines are drawn axially and radially1

Axial

1st point2nd point

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LINING RULES

1

Radial

Parallel

Parallel

Base lines

Welding

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Lining patterns are staggered2

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2

Do no hit the bricks with metallic hammers.

Rubber hammer

Use hand scrapper to kiln shell surface

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LINING RULES

Conicity is respected / Mixing Ratio is adjusted

3

Right Wrong

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LINING RULES

Bricks must be aligned towards the center of rotation

3

Right Wrong

3

33

33 66

66

6

6

3

33

3 6 66

6

66

66

6

3

3

3

3

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LINING RULES

Cardboard spaces are placed adequately

3

1 cardboard of 2 mmbetween each ring

Magnesia spinel:

To allow expansion

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Mortar is used to correct deformed shell / welding

4

Right

For deformations of less than 1 cm.

For higher deformations it’s recommended to cut the bricks

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LINING RULES

Wrong

4

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Key Bricks are staggered5

Right

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5

Key bricks face to face

Wrong

Key bricks side to side

Ladrillos principales lado a ladoKey bricks side to sideBriques de voûte côte à côte

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LINING RULES

Shims are not installed close to key bricks6

Shim thickness: 2mm max.

2 shims

Maximum of 2 to 3 shims per ring

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6

Use shim driver

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Rings are closed using hydraulic jack7

1 N/mm2 = 10 bars = 145ps1

Pressure to be applied: 1/2 brick cold crushing strenth

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7

Example : MLS Cold crushing strenth = 70 N/mm2 Pressure to be applied = 350 bar or 5000 PSI

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LINING RULES

Bricks are cut with brick cutting machine.Minimum brick cutting lenght is respected

Do no cut in this direction

Brick cutting machine

Mandatory direction of cut

8

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8Minimum cut 2/3 of original lenght

Brick original length

200 mm

300 mm

Minimum Cut

140 mm

210 mm

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Cut bricks are always in between full bricks

Old bricks

Cut bricks

Full bricks

9

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9

Retaining ring

Cut bricks

Full bricks

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Last ring is keyed properly

1 2

10

Mortar, liquid enought

Piece of woodHammer

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3 4

10

Shims

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11 No brick upside down / Check hot face marking

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LINING RULES

11Nosering

4 mm

No cardboard spaces

Retaining ring

Ceramid fi ber

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Brick quality is not changed under tyres or girth gear12

This weakens the installation:Different thermal conductivity produces different expansion.

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LINING RULES

DIAMETER B620 B320 3,60 48 102 3,80 65 93 4,00 83 85 4,20 100 76 4,40 118 67 4,60 135 58 4,80 153 49 5,00 170 41 5,20 188 32

THICKNESS 200MM THICKNESS 220MM

Shapes Combination13

DIAMETER B622 B322 3,60 21 128 3,80 38 119 4,00 56 111 4,20 73 102 4,40 91 93 4,60 108 84 4,80 126 75 5,00 144 67 5,20 161 58

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LINING RULES

KROSAKI AMR REFRACTARIOS, S.A.UPol. Ibaiondo, 3120120 Hernani | Gipuzkoa | Spain

T. + 34 943 55 75 00F. + 34 943 33 31 00www.krosaki-amr.comwww.krosaki.co.jpinfo@krosaki-amr.com