Caustic Calcined Magnesia Ball

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Product Description:

The advantage of this new material is its high MgO content as well as burned substances,which can also avoid with in furnace decomposition burning so as to save much energy. By this new means,it will do a lot good for improving the rate of scrap steel and sand melting. It is used for converter steel making,through the splashing cross to protect the furnace,which can raise the furnace life.

Because slag splashing furnace protection requires appropriate viscosity and refractoriness, reasonable slag content is the key for slag splashing furnace protection. Common slag can’t be applied to slag splashing furnace protection directly, a certain amount of caustic calcined magnesia balls need to be added to adjust, meanwhile replacing the usage of dolomite, reducing the quantity of slag, increasing MgO content in slag. Because MgO is a mineral with high melting point of 2800°C, by increasing the MgO content in slag, the viscosity of slag and refractoriness will also be increased, which will make it easier for the slag combine together with the linings and form an effective slag protection layer, thus improving the service life of linings and reducing consumption.

MgO

Moisture(%)

Apparent porosity (%)

Crushingforce (kn/piece)

Bulk density   (g/cm3)

Grain (mm)

65-68

2

20

3.0

1.6-2.0

40-60

55

2

20

3.0

1.6-2.0

40-60

60

2

20

3.0

1.6-2.0

40-60

65

2

20

3.0

1.6-2.0

40-60

70

2

20

3.0

1.6-2.0

40-60



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