Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Magnesium zirconium calcium brick for stainless steel smelting kiln
The invention discloses a magnesium zirconium calcium brick for a stainless steel smelting kiln. The brick is prepared from the raw materials in parts by weight: 75-85 parts of fused magnesite, 8-16 parts of desilicated zirconium powder, 10-16 parts of lime paste and 0.2-1.0 part of industrial dextrin. The brick is prepared by the steps: firstly weighing the raw materials in proportion, uniformly mixing granules of the fused magnesite, then adding the lime paste and the industrial dextrin to be uniformly mixed with the granules of the fused magnesite, and finally adding the fused magnesite powder and the desilicated zirconium powder to be stirred and mixed; pressing the mixed material to molded green bricks with the volume density of 3.20+/-0.1 g/cm3; feeding the molded green bricks into a tunnel kiln to be dried; firing the dried green bricks in the kiln, and when the firing temperature reaches 1600-1680 DEG C, insulating the green bricks for 8-16 hours, cooling the green bricks and discharging the bricks to obtain a magnesium zirconium calcium brick finished product for the stainless steel smelting kiln. The magnesium zirconium calcium brick for the stainless steel smelting kiln disclosed by the invention has the advantage that by adding the desilicated zirconium, calcium oxide can be stabilized to the brick bodies, so that the magnesium zirconium calcium brick has an extremely good hydration-resisting capacity; as the magnesium zirconium calcium brick is free of chromium element, the environment is not polluted, and the brick is suitable for being maintained by spray repair.
Magnesium zirconium calcium brick for stainless steel smelting kiln
The invention discloses a magnesium zirconium calcium brick for a stainless steel smelting kiln. The brick is prepared from the raw materials in parts by weight: 75-85 parts of fused magnesite, 8-16 parts of desilicated zirconium powder, 10-16 parts of lime paste and 0.2-1.0 part of industrial dextrin. The brick is prepared by the steps: firstly weighing the raw materials in proportion, uniformly mixing granules of the fused magnesite, then adding the lime paste and the industrial dextrin to be uniformly mixed with the granules of the fused magnesite, and finally adding the fused magnesite powder and the desilicated zirconium powder to be stirred and mixed; pressing the mixed material to molded green bricks with the volume density of 3.20+/-0.1 g/cm3; feeding the molded green bricks into a tunnel kiln to be dried; firing the dried green bricks in the kiln, and when the firing temperature reaches 1600-1680 DEG C, insulating the green bricks for 8-16 hours, cooling the green bricks and discharging the bricks to obtain a magnesium zirconium calcium brick finished product for the stainless steel smelting kiln. The magnesium zirconium calcium brick for the stainless steel smelting kiln disclosed by the invention has the advantage that by adding the desilicated zirconium, calcium oxide can be stabilized to the brick bodies, so that the magnesium zirconium calcium brick has an extremely good hydration-resisting capacity; as the magnesium zirconium calcium brick is free of chromium element, the environment is not polluted, and the brick is suitable for being maintained by spray repair.
Magnesium zirconium calcium brick for stainless steel smelting kiln
WANG GUOXUAN (Autor:in) / KANG HUARONG (Autor:in) / DONG SHENGYING (Autor:in) / SUN FU AN (Autor:in) / NIU WEIHAI (Autor:in) / WANG YOUQUAN (Autor:in) / SUN YANGYANG (Autor:in) / WANG CHUNBO (Autor:in) / NIU QUANYI (Autor:in)
18.11.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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