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Heat storage ceramic based on blast furnace slag and preparation method thereof
The invention relates to heat storage ceramic based on blast furnace slag and a preparation method of the heat storage ceramic. The heat storage ceramic comprises the following components in parts by weight: 11%-25.3% of aluminum oxide, 1.3%-5.6% of silicon carbide, 3%-16.5% of magnesium oxide, 0%-3.5% of quartz, 1%-5.4% of calcium oxide, 1.1%-3.5% of titanium dioxide, 1.5%-3.1% of nylon fiber, 0.5%-1.3% of talc, 0%-1.5% of bentonite, 0-10% of mullite, 0-13.1% of kaolin, 0-5.5% of an auxiliary additive and the balance of blast furnace slag. The preparation method comprises two steps of mixing and kneading, and sintering and molding. Compared with the heat storage ceramic prepared by the traditional process, the porous honeycomb heat storage ceramic based on the blast furnace slag composite phase change material has the advantages of low production raw material cost, wide sources, simple production process, high production efficiency, high energy storage density, good thermal conductivity, high mechanical strength, corrosion and wear resistance and the like; the heat generated by combustion of VOCs can be efficiently absorbed/released, the heat storage and release rate is increased by 30%, the energy storage density is increased by more than one time, and the technical problems that a ceramic material is slow in heat storage and release and low in energy storage density are solved.
本发明涉及一种基于高炉渣的蓄热陶瓷及其制备方法，由以下重量份数组分构成：氧化铝11%—25.3%、碳化硅1.3%—5.6%、氧化镁3%—16.5%、石英0%—3.5%、氧化钙1%—5.4%、钛白粉1.1%—3.5%、尼龙纤维1.5%—3.1%、滑石0.5%—1.3%、膨润土0%—1.5%、莫来石0—10%、高岭土0‑13.1%、辅助添加剂0—5.5%，余量为高炉渣。其制备方法包括混合捏炼及烧结成型两个步骤。本发明较传统工艺生产制备的蓄热陶瓷，基于高炉渣复合相变材料的多孔蜂窝蓄热陶瓷，生产原料成本低廉，来源广泛，生产工艺简单、生产效率高，同时具有储能密度高、导热性好、机械强度高、耐腐蚀磨损等优点，可高效吸收/释放VOCs燃烧产生的热量，蓄放热速率提高了30%，储能密度提高1倍以上，解决了陶瓷材料蓄放热缓慢，储能密度低的技术难题。
Heat storage ceramic based on blast furnace slag and preparation method thereof
The invention relates to heat storage ceramic based on blast furnace slag and a preparation method of the heat storage ceramic. The heat storage ceramic comprises the following components in parts by weight: 11%-25.3% of aluminum oxide, 1.3%-5.6% of silicon carbide, 3%-16.5% of magnesium oxide, 0%-3.5% of quartz, 1%-5.4% of calcium oxide, 1.1%-3.5% of titanium dioxide, 1.5%-3.1% of nylon fiber, 0.5%-1.3% of talc, 0%-1.5% of bentonite, 0-10% of mullite, 0-13.1% of kaolin, 0-5.5% of an auxiliary additive and the balance of blast furnace slag. The preparation method comprises two steps of mixing and kneading, and sintering and molding. Compared with the heat storage ceramic prepared by the traditional process, the porous honeycomb heat storage ceramic based on the blast furnace slag composite phase change material has the advantages of low production raw material cost, wide sources, simple production process, high production efficiency, high energy storage density, good thermal conductivity, high mechanical strength, corrosion and wear resistance and the like; the heat generated by combustion of VOCs can be efficiently absorbed/released, the heat storage and release rate is increased by 30%, the energy storage density is increased by more than one time, and the technical problems that a ceramic material is slow in heat storage and release and low in energy storage density are solved.
本发明涉及一种基于高炉渣的蓄热陶瓷及其制备方法，由以下重量份数组分构成：氧化铝11%—25.3%、碳化硅1.3%—5.6%、氧化镁3%—16.5%、石英0%—3.5%、氧化钙1%—5.4%、钛白粉1.1%—3.5%、尼龙纤维1.5%—3.1%、滑石0.5%—1.3%、膨润土0%—1.5%、莫来石0—10%、高岭土0‑13.1%、辅助添加剂0—5.5%，余量为高炉渣。其制备方法包括混合捏炼及烧结成型两个步骤。本发明较传统工艺生产制备的蓄热陶瓷，基于高炉渣复合相变材料的多孔蜂窝蓄热陶瓷，生产原料成本低廉，来源广泛，生产工艺简单、生产效率高，同时具有储能密度高、导热性好、机械强度高、耐腐蚀磨损等优点，可高效吸收/释放VOCs燃烧产生的热量，蓄放热速率提高了30%，储能密度提高1倍以上，解决了陶瓷材料蓄放热缓慢，储能密度低的技术难题。
Heat storage ceramic based on blast furnace slag and preparation method thereof
一种基于高炉渣的蓄热陶瓷及其制备方法
HONG XI (author) / PENG HAO (author) / CHEN LEI (author) / MA JIE (author) / LIU ANKANG (author) / WANG MINGXIU (author)
2022-05-13
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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