Active magnesium oxide is a very important chemical raw material, the use is also very wide, in all walks of life may add magnesium oxide this chemical raw material, the same silicon steel sheet in the production of active magnesium oxide is also very much in need of this raw material.In order to improve the reactivity between magnesium oxide and silicon dioxide, magnesium oxide must be active, nanoscale magnesium oxide has the largest reactivity, so in the silicon steel magnesium oxide using nanotechnology to introduce nanoscale magnesium oxide particles, it improves the reactivity of silicon steel magnesium oxide.In order to improve the stacking density between magnesium oxide particles on the surface of the silicon steel sheet, the silicon steel magnesium oxide material structure must tend to approximate the spherical shape, because the sphere has the advantage of the tightest stacking, magnesium oxide particles coated on the surface of the silicon steel sheet can tend to the tightest stacking.

As the role of magnesium oxide on the silicon steel sheet, after drying, it must be rolled into a coil and tube for the second high-temperature annealing, before entering the high-temperature annealing stage must be in the annealing and heating process to gradually drive away the magnesium oxide in the pulping process of magnesium hydroxide water molecules in the process of water molecules in the implementation of the process, it must be required to be coated with magnesium oxide layer has good permeability, even if the magnesium oxide in water molecules in the tightly wound steel rollsThe water molecules in the magnesium oxide can escape in the tightly rolled steel coils, so as not to affect the quality of the original magnesium silicate film generated by water vapor.

Therefore, as a high temperature annealing with magnesium oxide, can not use a single nano-magnesium oxide material, but should make the magnesium oxide is a kind of magnesium oxide with a variety of different particle sizes of the aggregate, that is, should make a variety of different particle sizes of the magnesium oxide material each occupies a certain proportion of allocation.