Silicon steel grade magnesium oxide, as an important additive in the production process of silicon steel, plays an important role in improving the performance of silicon steel and reducing production costs. This paper introduces the preparation methods of silicon steel grade magnesium oxide, including chemical synthesis method, physical grinding method and molten salt method, and analyzes the advantages and disadvantages of various methods. At the same time, the important role of silicon steel grade magnesium oxide in the production of silicon steel is discussed, including the improvement of magnetic properties of silicon steel, the reduction of iron loss and the improvement of surface quality.
First, Introduction
Silicon steel is a commonly used magnetic material in power electronic equipment, with high magnetic induction strength and low iron loss. In the production process of silicon steel, adding appropriate amount of magnesium oxide can improve the performance of silicon steel and reduce the production cost. Therefore, it is of great significance to study the preparation method of silicon steel grade magnesium oxide and its role in silicon steel production.
Second, the preparation method of silicon steel grade magnesium oxide
- Chemical synthesis method: chemical synthesis method is through the chemical reaction preparation of silicon steel grade magnesium oxide method. This method has the advantages of simple preparation process and low production cost, but the purity and uniformity of the product is relatively low.
- Physical grinding method: physical grinding method is through mechanical grinding to make silicon steel grade magnesium oxide particles to reach the required fineness of the method. The silicon steel grade magnesium oxide prepared by this method has high purity and uniformity, but the production cost is higher.
- Molten Salt Method: Molten salt method is the method of preparing silicon steel grade magnesium oxide by mixing magnesium oxide with molten salt and preparing it through evaporation and crystallization. The silicon steel grade magnesium oxide prepared by this method has better particle dispersion and activity, but the equipment investment is larger.
Third, silicon steel grade magnesium oxide in the production of silicon steel important role
- improve the magnetic properties of silicon steel: the addition of silicon steel grade magnesium oxide can improve the magnetic induction strength and permeability of silicon steel, thus improving the magnetic properties of silicon steel.
- Reduce iron loss: the addition of silicon steel grade magnesium oxide can reduce the iron loss of silicon steel, improve the energy efficiency of silicon steel, and thus reduce the energy consumption of power equipment.
- Improve surface quality: the addition of silicon steel grade magnesium oxide can improve the surface quality of silicon steel sheet, reduce the defects and iron oxide on the surface of silicon steel sheet, and improve the coating performance of silicon steel sheet.
- Improve production efficiency: the addition of silicon steel grade magnesium oxide can improve the production efficiency in the production process of silicon steel, reduce production costs and improve the market competitiveness of silicon steel.
Conclusion
The preparation method of silicon steel grade magnesium oxide and its role in silicon steel production is of great significance to improve the performance of silicon steel and reduce the production cost. By choosing a suitable preparation method, the quality and performance of silicon steel grade magnesium oxide can be improved, the production process of silicon steel can be further optimized, and the competitiveness of silicon steel can be improved.