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Molten steel transport package

[Product Specifications]:

[Production capacity]:

[Application range]:

【product description】:

1. Ladle permanent layer castable:

With the development of converters and electric furnaces, the increase of continuous casting ratios and the popularization and expansion of refining outside the furnace, the ladle is under increasingly severe conditions of use such as large capacity, multiple steel types, high temperature, and long time. Therefore, it is urgent to select improved steel The self-flow castables for the permanent layer of the cladding, on the basis of full market research, Henan Ruishi Refractories Co., Ltd., mass produced this series of castables in 2001 to meet the requirements of steel mills to further reduce production costs and increase service life. Its physical and chemical properties are as follows: compressive strength at room temperature ≥ 50Mpa, thermal conductivity number ≤ 1.06w / mk high temperature (1400 ° Cx3h) compressive strength 46Mpa, porosity 18%, bulk density 2.70g / cm3 service life increased 3 times, refractory The unit consumption is reduced by 40%, the cost is reduced by 30%, the labor intensity is reduced, the working environment is improved, and the promotion prospect is very broad.


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1. Ladle permanent layer castable:

With the development of converters and electric furnaces, the increase of continuous casting ratios and the popularization and expansion of refining outside the furnace, the ladle is under increasingly severe conditions of use such as large capacity, multiple steel types, high temperature, and long time. Therefore, it is urgent to select improved steel The self-flow castables for the permanent layer of the cladding, on the basis of full market research, Henan Ruishi Refractories Co., Ltd., mass produced this series of castables in 2001 to meet the requirements of steel mills to further reduce production costs and increase service life. Its physical and chemical properties are as follows: compressive strength at room temperature ≥ 50Mpa, thermal conductivity number ≤ 1.06w / mk high temperature (1400 ° Cx3h) compressive strength 46Mpa, porosity 18%, bulk density 2.70g / cm3 service life increased 3 times, refractory The unit consumption is reduced by 40%, the cost is reduced by 30%, the labor intensity is reduced, the working environment is improved, and the promotion prospect is very broad.


Application range

Production Process

Technical Parameters

Ladle castable: The physical and chemical properties of the product are as follows

Ladle castables are based on low cement castables, using ultra-fine powder technology, excellent binders and high-efficiency admixtures. Under the guidance of basic material theory, scientifically formulate formulas and precision according to the use and operating conditions of various ladles. The particle size composition is adjusted, and the binder and the admixture are reasonably selected and configured.
Grade
Performance
Corundum tip
Spar
High purity aluminum
Magnesium
Bauxite tip
Spar
Al-Mg
jk-G1
jk-G2
jk-G3
jk-G5
chemical composition
(%) ≥
Al 2 O 3
90
90
70
75
MgO
5
5
12
8
Flexural strength
(MPa)
110 ℃ × 24h
5
5
5
5
1100 ℃ × 3h
7
7
6
6
1500 ℃ × 3h
12
12
9
10
Compressive strength
(MPa)
110 ℃ × 24h
40
40
40
40
1100 ℃ × 3h
55
55
50
50
1500 ℃ × 3h
95
95
80
80
Line change
(%)
1500 ℃ × 3h
0 ~ 1.2
0 ~ 1.0
0 ~ 1.1
0 ~ 1.0
110 ℃ bulk density (g / cm 3 ), ≥
3.00
3.05
2.85
2.70
Use
Large ladle pouring
Materials and prefabricated parts
Small and medium ladle castables

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