Light fired magnesia powder is an important refractory material Light fired magnesia powder is a kind of material with moderate alkalinity and chemical activity, in addition to being used as refractory material and gelling material, but also used in other industrial fields. In addition, the development of converter slag splashing furnace protection skills has further expanded the application scale of light-fired magnesia powder. At present, the slag splashing furnace protection skills are mostly used after the light burned magnesia powder into balls, including light burned magnesia powder balls, light burned magnesia, carbon light burned magnesia pellet and carbon and calcium light burned magnesia powder balls. Light fired magnesia powder, referred to as light fired magnesia powder, is a kind of active magnesia obtained from magnesite, brucite and magnesium hydroxide extracted from seawater or brine by calcination at about 800~1000℃. Light burnt magnesium powder is light yellow, light brown powder, particle size is mostly below 100 mesh, cubic magnesite crystal is very small, density light burnt magnesium ball preparation is 80% light burnt magnesium powder added to 2O water, into the blender for rolling, stirring, mixing 15 ~ 2Omin to form a mixture, through the belt conveyor to press the ball mechanism to prepare the product, and then piled up. The finished product of light burned magnesium ball is dried for 48 hours and formed after strength, ready for sale.
Light burnt powder
1. The necessity of improving the production process of light-fired magnesium balls
Our factory after years of production practice, light fired magnesium ball products according to the above preparation process production, product quality there are the following problems.
1) The sphere is loose. Low density, low strength, easy to break. Especially during loading and unloading, transportation, extrusion and falling, the ball is prone to breakage.
2) Low pellet formation rate. After the material is processed by the ball pressing machine, half is the product and half is the powder, and the powder needs to be returned to the ball pressing machine manually to continue processing.