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Steel Ladle Tundish Hot metal ladle and torpedo Blast furnace,heating furnace Electrolytic aluminium Pipe heat insulation
lining of steel ladle, the following effects can be achieved:
1. Reduce heat loss of steel ladle, further protect hot metal against crusting.
2. Greatly raise the temperature of inner wall of steel ladle, reduce on-line baking time of steel ladle and save energy.
3. Prolong the argon blowing time and staying time, which is benefit to make inner organization, composition and temperature of molten steel even, to float the impurity and gas, to improve the quality of steel. It can also improve the inner lining structure in ladle and reduce the thickness of heat preservation layer, significantly increase the net containing volume of steel ladle, effectively prevent from slag and steel overflowing. 
4. Sharply reduce the temperature of outer wall of steel ladle, protect the jacketing from transformation, improve the strength and creep resistance of jacketing and operating environment of workers.

Structure

Thickness
(mm)

Temperature(℃)

VS

Structure

Thickness
(mm)

Temperature(℃)

Cold face

Hot face

Cold face

Hot face

1

Ladle wall

30

299

307

1

Ladle wall

30

10%4

10%9

2

Protection brick

30

307

437

2

microporous thermal insulation material

15

10%9

957

3

Backing layer (pouring)

100

437

1381

3

Protection brick

30

818

1005

4

Working lining

210

1381

1584

4

Backing layer (pouring)

85

1005

110%8

 

The temperature of outer wall of steel ladle

299℃

5

Working layer

210

110%8

1594

 

Hot face temperature of working lining

1584℃

 

The temperature of outer wall of steel ladle

10%4℃

 

 

 

 

Hot face temperature of working lining

1594℃


Comparison effect

The temperature of outer wall of steel ladle

Hot face temperature of working lining

Conclusion

Without heat preservation

  299℃

  1584℃

Microporous thermal insulation material in 15mm can reduce outer wall temperature of steel lade by 75℃,raise the inner temperature of molten

Microporous thermal insulation material

  10%4℃

  1594℃

Temperature

  -75℃

  10℃