Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Microporous low-thermal-conductivity composite mullite brick and preparation method thereof
The invention discloses a microporous low-thermal-conductivity composite mullite brick and a preparation method thereof, and belongs to the technical field of mullite bricks, the prepared composite mullite brick is formed by compounding a plurality of layers of structures, and has high strength and good thermal insulation performance. Wherein the working layer is prepared from high-quality aluminum-silicon raw materials, and has the advantages of low heat conductivity coefficient, high heat stability, high refractoriness under load, high normal-temperature compression strength, stable chemical property, higher high-temperature wear resistance and certain alkali corrosion resistance; according to the thermal insulation layer, 50%-60% of independently researched and developed polylight mullite microporous homogenized material is adopted as a low-heat-conduction main component, 5%-10% of calcium aluminate cement and 3%-11% of silica powder are adopted as binding agents, 2%-10% of natural aluminum-silicon refractory raw material, 20%-30% of high-aluminum fine powder is adopted as an expansion regulator, and 1%-2% of a water reducing agent is adopted to improve the dispersion effect of the fine powder. And the prepared insulating layer has the characteristics of high bonding strength and low heat conductivity coefficient.
本发明公开了一种微孔低导热复合莫来石砖及其制备方法，属于莫来石砖技术领域，本发明制备的复合莫来石砖由多层结构复合而成，既有较高强度又具有良好隔热保温性能。其中，工作层由优质的铝硅质原料制备而成，具有导热系数低、热稳定性高、荷重软化温度高、常温耐压强度高、化学性质稳定、较高的高温耐磨性及一定的抗碱侵蚀能力；保温层采用自主研发的聚轻莫来石微孔均化料50％～60％为低导热主要组分，5％～10％铝酸钙水泥、硅微粉3％～11％为结合剂，天然铝硅质耐火原料2％～10％、高铝细粉20％～30％为膨胀调节剂，减水剂1％～2％提高微、细粉分散效果，制备的保温层兼具结合强度高和导热系数低的特点。
Microporous low-thermal-conductivity composite mullite brick and preparation method thereof
The invention discloses a microporous low-thermal-conductivity composite mullite brick and a preparation method thereof, and belongs to the technical field of mullite bricks, the prepared composite mullite brick is formed by compounding a plurality of layers of structures, and has high strength and good thermal insulation performance. Wherein the working layer is prepared from high-quality aluminum-silicon raw materials, and has the advantages of low heat conductivity coefficient, high heat stability, high refractoriness under load, high normal-temperature compression strength, stable chemical property, higher high-temperature wear resistance and certain alkali corrosion resistance; according to the thermal insulation layer, 50%-60% of independently researched and developed polylight mullite microporous homogenized material is adopted as a low-heat-conduction main component, 5%-10% of calcium aluminate cement and 3%-11% of silica powder are adopted as binding agents, 2%-10% of natural aluminum-silicon refractory raw material, 20%-30% of high-aluminum fine powder is adopted as an expansion regulator, and 1%-2% of a water reducing agent is adopted to improve the dispersion effect of the fine powder. And the prepared insulating layer has the characteristics of high bonding strength and low heat conductivity coefficient.
本发明公开了一种微孔低导热复合莫来石砖及其制备方法，属于莫来石砖技术领域，本发明制备的复合莫来石砖由多层结构复合而成，既有较高强度又具有良好隔热保温性能。其中，工作层由优质的铝硅质原料制备而成，具有导热系数低、热稳定性高、荷重软化温度高、常温耐压强度高、化学性质稳定、较高的高温耐磨性及一定的抗碱侵蚀能力；保温层采用自主研发的聚轻莫来石微孔均化料50％～60％为低导热主要组分，5％～10％铝酸钙水泥、硅微粉3％～11％为结合剂，天然铝硅质耐火原料2％～10％、高铝细粉20％～30％为膨胀调节剂，减水剂1％～2％提高微、细粉分散效果，制备的保温层兼具结合强度高和导热系数低的特点。
Microporous low-thermal-conductivity composite mullite brick and preparation method thereof
一种微孔低导热复合莫来石砖及其制备方法
XIA ZHONGFENG (Autor:in) / YIN YUCHENG (Autor:in) / LI YIWEI (Autor:in) / ZHU QINGYOU (Autor:in) / LIU ZHIQIANG (Autor:in) / FAN HAIQIANG (Autor:in) / ZHANG WEIMIN (Autor:in)
22.11.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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