How to reduce the generation of high alumina brick
Jul 25,2017
In the production of high alumina bricks often due to the existence of stalks caused by scrap, waste of raw materials, increased economic losses, how to reduce the generation of its bubbles?
1, the use of aluminum particles with the composition of multi-clinker clay brick similar to the use of coarse, medium and fine with three. Particle range is generally 3.0 ~ 0.5 mm (coarse), 0.5 ~ 0.088 mm (middle), less than 0.088 mm (fine).
2, with the level should be consistent with the "two big, small in the middle" principle, to reduce the middle of high alumina brick particles, increase the fine powder.
3, when increasing the critical particle size, to obtain low porosity, load softening temperature and thermal shock stability and high structural strength of high alumina brick.
4, high molding pressure is an important factor in reducing porosity.
Another way to reduce the porosity is in the high-alumina brick molding brick with a suitable footage, the size of the size of the size of the material with the mud material, molding methods and installed kiln direction.
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