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What are the uses of steel slag after chaeng vertical mill grinding?
Steel slag is a by-product of the steelmaking process. It consists of various oxides oxidized during the smelting process by impurities such as silicon, manganese, phosphorus, and sulfur in pig iron, and salts formed by the reaction of these oxides with solvents. The main mineral phases are solid solution formed by tricalcium silicate, dicalcium silicate, forsterite, calcareite, calcium iron aluminate, and oxides of silicon, magnesium, iron, manganese, and phosphorus. Contains a small amount of free calcium oxide as well as metallic iron, fluoroapatite, etc. In some areas, ore contains titanium and vanadium, and steel slag also contains these components. The content of various components in the steel slag varies greatly depending on the steelmaking furnace type, steel type, and steel smelting stage of each furnace.
What are the uses of steel slag powder
Steel slag is an ideal secondary resource. The finished product after grinding by chaeng GRMSS series steel slag vertical mill can be widely used in many fields such as building materials, cement, and roads. Effective recycling of steel slag can bring huge social and economic benefits, and provide strong support for the green development of the steel industry and circular economy.
1) Steel slag powder is used in high-performance concrete
The equivalent amount of steel slag powder is used to replace the cementitious materials in high-strength concrete, and the use value of steel slag powder is increased, making steel slag powder a high value-added product, increasing the economic benefits of enterprises, truly realizing the high value-added application of steel tailing slag, and vigorously developing a circular economy. At the same time, it solves the problem of poor workability of the concrete after single mixing of ultrafine slag powder, and reduces the production cost of high-strength concrete.
2) Steel slag powder applied to artificial concrete reefs for green concrete
Artificial fish reef is to imitate the function of natural coral reefs to nest fish, which not only has the effect of gathering fish, but also has a significant function of purifying seawater and restoring coastal ecosystems.
3) Steel slag powder is used for saline-alkali land transformation
China's 99.13 million hectares of saline-alkali land have been idle for a long time due to lack of transformation technology, which is a great waste of land resources. Use industrial waste slag for comprehensive industrial flue gas treatment and use its final product for the reconstruction of saline-alkali sandy wasteland, solve the three global problems of atmospheric pollution of sulfur dioxide, comprehensive utilization of waste slag, and reconstruction of saline-alkali and sandy land, and realize the resource——product— Recycling mode of renewable resources.
In addition, the steel slag powder can be used as a curing agent ,which are mixed with sand, mud, yellow mud, and even river mud and beach mud in proportion to make it into a flat and hard "bluestone slab" pavement; Steel slag can be used to make colored pavement bricks; as cement mixture and so on.