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Composite vermiculite insulating brick for electrolytic cell and preparation method of composite vermiculite insulating brick
The invention belongs to the technical field of refractory materials, and particularly relates to a composite vermiculite insulating brick for an electrolytic cell and a preparation method thereof. The thermal insulation brick is prepared from kaolin, light refractory clay, clay brick powder, vermiculite powder, Al2O3/porous glass balls, modified polystyrene and porous ceramic fibers as raw materials, and the prepared thermal insulation brick is relatively small in volume density, relatively large in normal-temperature compressive strength, relatively small in heating permanent linear change, relatively small in heat conductivity coefficient and relatively good in thermal insulation effect; and meanwhile, the high cryolite corrosion resistance is achieved.
本发明属于耐火材料技术领域，具体为一种电解槽用复合蛭石保温砖及其制备方法。以高岭土、轻质耐火粘土、粘土砖粉、蛭石粉、Al2O3/多孔玻璃球、改性聚苯乙烯和多孔陶瓷纤维为原料制备而成，制备所得保温砖的体积密度相对较小，常温耐压强度较大，加热永久线变化较小，导热系数相对较小，保温效果相对较好，同时具有较强的抗冰晶石的侵蚀性能。
Composite vermiculite insulating brick for electrolytic cell and preparation method of composite vermiculite insulating brick
The invention belongs to the technical field of refractory materials, and particularly relates to a composite vermiculite insulating brick for an electrolytic cell and a preparation method thereof. The thermal insulation brick is prepared from kaolin, light refractory clay, clay brick powder, vermiculite powder, Al2O3/porous glass balls, modified polystyrene and porous ceramic fibers as raw materials, and the prepared thermal insulation brick is relatively small in volume density, relatively large in normal-temperature compressive strength, relatively small in heating permanent linear change, relatively small in heat conductivity coefficient and relatively good in thermal insulation effect; and meanwhile, the high cryolite corrosion resistance is achieved.
本发明属于耐火材料技术领域，具体为一种电解槽用复合蛭石保温砖及其制备方法。以高岭土、轻质耐火粘土、粘土砖粉、蛭石粉、Al2O3/多孔玻璃球、改性聚苯乙烯和多孔陶瓷纤维为原料制备而成，制备所得保温砖的体积密度相对较小，常温耐压强度较大，加热永久线变化较小，导热系数相对较小，保温效果相对较好，同时具有较强的抗冰晶石的侵蚀性能。
Composite vermiculite insulating brick for electrolytic cell and preparation method of composite vermiculite insulating brick
一种电解槽用复合蛭石保温砖及其制备方法
LYU FENGLEI (author) / MIAO YUN (author) / LU AIJUN (author) / LYU KELI (author) / WU JIXIANG (author) / KONG SHASHA (author) / LI CHUANQI (author) / ZHOU FENGBING (author) / KONG HUOJIAN (author) / WANG BEIZHAN (author)
2024-07-30
Patent
Electronic Resource
Chinese
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