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Ferro silicon slag is the waste generated during the production of silicon iron alloys, mainly composed of silicon and iron oxides. The particle size and chemical composition of ferro silicon slag may vary depending on different production processes and uses.
|
Grade |
Chemical Composition (%) |
||||
|
Si |
Al |
S |
P |
C |
|
|
≥ |
≤ |
||||
|
Silicon slag 45% |
45 |
5 |
0.1 |
0.05 |
5 |
|
Silicon slag 50% |
50 |
5 |
0.1 |
0.05 |
5 |
|
Silicon slag 55% |
55 |
5 |
0.1 |
0.05 |
5 |
|
Silicon slag 60% |
60 |
5 |
0.1 |
0.05 |
5 |
|
Silicon slag 65% |
65 |
5 |
0.1 |
0.05 |
5 |
|
0-3mm, 3-10mm, 10-50mm or as your requirement |
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Ferro silicon slag has been applied in various fields, and its advantages are mainly reflected in the following aspects:
â— Metallurgical Raw Materials: Silicon iron slag can be utilized as a metallurgical raw material, primarily serving as a flux and reducing agent during the steelmaking and ironmaking procedures. Its high-temperature melting and reducing properties can effectively remove impurities from the metal and enhance its purity. Meanwhile, ferrosilicon slag can also be used to regulate the composition and properties of metals, thereby improving their strength and hardness.
â— Building materials: Due to the high hardness and wear resistance of silicon iron slag, it can be used to manufacture refractory materials such as refractory bricks, refractory concrete, and refractory coatings. These refractory materials have good stability and durability in high-temperature environments, and are widely used in industries such as metallurgy, chemical engineering, and power.
â— Production of pig iron for casting: By increasing silicon outside the furnace, the production of pig iron for casting can reduce the burden on the blast furnace, achieve high production and low consumption, reduce the sulfur content of molten iron, and improve the quality of cast iron. In this process, the application of silicon iron slag can reduce costs and improve production efficiency.
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In summary, the application advantages of ferrosilicon slag are mainly reflected in metallurgical raw materials, building materials, and pig iron used in production casting. Its characteristics make it widely used in various fields. It should be noted that ferrosilicon slag has a certain degree of moisture absorption. Therefore, it is necessary to take precautions to prevent moisture when storing and using it. In addition, silicon iron slag contains a certain amount of free silica, which may have a certain impact on health if exposed or inhaled for a long time. Therefore, safety should be taken when using it.
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