The transformation process from ore to wear-resistant alumina lining brick
As we all know, wear-resistant alumina lining bricks are used as ball mill linings, which have the characteristics of high hardness, high density, low wear, high regularity and corrosion resistance. They are widely used in ceramics, cement, paint, pigment, chemical industry, medicine, coating, inorganic Mineral powder processing and other industries, how is the wear-resistant oxide lining brick produced from ore?
After the ore containing alumina is mined, it will be roughly processed into industrial alumina (γ-AL2O3), the alumina content at this time is about 65%, and then further processed into alumina powder (α-AL2O3), the alumina content If it reaches 99.5%, it can be purchased by various ceramic enterprises as the raw material of fine ceramics.
After the alumina powder enters the factory, it is generally pulverized first to ensure that the fineness of the alumina powder meets the production requirements. A small amount of binder, coarser particles and fine powder are mixed to form a billet, and the billet is placed in the metal model. , is pressed and formed on the press.
The formed wear-resistant alumina lining bricks are put into the kiln car and sent to the high-temperature tunnel kiln. After high temperature calcination of about 1700 ℃, the finished lining bricks are completed. After that, the workshop master will go through screening, grinding, and repacking. It does not need to be loaded and sent to various places according to the needs of customers, and play the role of wear-resistant lining bricks.
