Composite refractory mortar for building secondary lead smelting furnace and preparation method of composite refractory mortar

The invention belongs to the technical field of refractory materials, and discloses a composite refractory mortar for building a secondary lead smelting furnace, which is mainly prepared from the following raw materials in percentage by mass: 70-74% of white corundum powder, 8-12% of chromium oxide...

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Main Authors LYU BAOLEI, LIU XIAOLEI, ZHANG GENTING, ZHOU ZHENNI, LIU ZHAO, GUO XUELIANG, FENG JIANMIN, ZHOU SHIDONG, REN XIANGYANG
Format Patent
LanguageChinese
English
Published 02.01.2024
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
FERROUS OR NON-FERROUS ALLOYS
LIME, MAGNESIA
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
REFRACTORIES
SLAG
TREATMENT OF ALLOYS OR NON-FERROUS METALS
TREATMENT OF NATURAL STONE
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Summary:The invention belongs to the technical field of refractory materials, and discloses a composite refractory mortar for building a secondary lead smelting furnace, which is mainly prepared from the following raw materials in percentage by mass: 70-74% of white corundum powder, 8-12% of chromium oxide green powder, 3-6% of a-Al2O3 micro powder, 3-5% of fused zirconia powder, 5-8% of high-purity mullite powder, and a binding agent and a dispersing agent which respectively account for 2% of the total weight of the raw materials. In the composite refractory mortar, Al2O3 is greater than or equal to 78%, Cr2O3 is greater than or equal to 8.0%, ZrO2 + HfO2 is greater than or equal to 2.8%, and SiO2 is less than or equal to 5%. As the raw materials are high in purity and low in impurity content, the obtained aluminum-chromium-zirconium-mullite composite refractory mortar product has excellent thermal shock resistance and erosion resistance, and the service life of a masonry body is effectively prolonged when the alumi
Bibliography:Application Number: CN202211144426