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Zirconium plate and ring for converter

 
Product description

The main body of the sliding plate at the slag cutoff tapping hole for converter adopts dead burnt aluminum-zirconium-carbon sliding plates, and the mosaic coating employs composite structure of high-purity zirconia materials produced by our company.

In order to meet the requirements of long service life for sliding plates raised by steel enterprises, the inserts of high-purity and high-density zirconia slag cutoff  sliding plates manufactured by our company are of good scouring-erosion resistance and thermal shock resistance, increasing the number of usage times.

Adopt composite sliding plates inserted with our company’s zirconia core of PMO1 material in different types of domestic converters ranging from 120t to 300t, and the service life is 18-23 heats sliding.

Adopt composite sliding plates inserted with our company’s zirconia core of PMD material in different types of domestic converters ranging from 120t to 300t, and the service life can reach 20 heats, or even over 25 heats.

In order to solve the problems such as shift-up zirconium ring inserted in the converter sliding plate and generation of bubbles in molten steel raised by some steel enterprises, our company has improved the zirconium ring and inserts for mosaic coating of sliding plate at tapping hole of converter through practice and improvement. The improved product clearly solves the problem of shift-up zirconium ring and generation of bubbles in molten steel in practical operation, and has won the favor of customers.

The high-performance, high-purity and high-density PMO1 and PMD series products produced by our company have high purity and density, good scouring-erosion resistance and thermal shock resistance, prolonging the service life of sliding plates.

Adoption of high-performance and high-purity zirconia sliding plates and zirconium ring inserts is the follow-up development direction and mainstream of converter steelmaking.

 
Physical and chemical indicators

Raw Material

ZrO2+HfO2(%)

Al2O3(%)

SiO2(%)

MgO(%)

Fe2O3(%)

TiO2(%)

B.D.(g/cm³)

FMPZ-PMO1

≧95

≦0.2

≦0.4

≦2.9

≦0.1

≦0.1

5.35-5.45

FMPZ-PMD

95-96

≦0.2

≦0.4

≦2.9

≦0.1

≦0.1

5.45-5.60

 

 

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