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High-temperature micro-foaming light thermal insulation material and preparation method thereof
The invention discloses a high-temperature micro-foaming light thermal insulation material and a preparation method thereof. The light thermal insulation material is prepared from, by mass, 30%-60% ofgranite waste, 10%-30% of high-temperature fluxing agent, 0%-30% of diatomite, 0%-10% of clay and 0.6%-1.2% of high-temperature foaming agent. The light thermal insulation material with the closed micropore structure is finally obtained through the steps of mixing, granulating, drying, sintering and the like without compression molding. The volume density of the material is 320-840 kg/m < 3 >, the compressive strength is 6-19 MPa, the normal-temperature heat conductivity coefficient is smaller than or equal to 0.09 W/(m.K), and the heat conductivity coefficient at 1000 DEG C is smaller than or equal to 0.5 W/(m.K). The thermal insulation material is low in raw material cost and simple in process, not only meets the performance requirements of a thermal insulation layer of a high-temperature kiln, but also conforms to the sustainable development concept of the current society, and is a light thermal insulation material integrating high performance and environmental protection.
本发明公开了一种高温微发泡的轻质隔热材料及其制备方法。该轻质隔热材料按质量百分比配料，包括：30～60％花岗岩废料，10～30％高温助熔剂，0～30％硅藻土，0～10％黏土，0.6～1.2％高温发泡剂。无需压制成型，经混料、造粒、干燥、烧成等步骤，最终得到具有闭口微孔结构的轻质隔热材料。其体积密度为320～840kg/m3、抗压强度为6～19MPa、常温导热系数≤0.09W/(m·K)，1000℃时的导热系数≤0.5W/(m·K)。本发明原料成本低廉，工艺简单，不仅满足作为高温窑炉保温层的性能要求，还符合当前社会可持续发展理念，是集高性能与绿色环保于一体的轻质隔热材料。
High-temperature micro-foaming light thermal insulation material and preparation method thereof
The invention discloses a high-temperature micro-foaming light thermal insulation material and a preparation method thereof. The light thermal insulation material is prepared from, by mass, 30%-60% ofgranite waste, 10%-30% of high-temperature fluxing agent, 0%-30% of diatomite, 0%-10% of clay and 0.6%-1.2% of high-temperature foaming agent. The light thermal insulation material with the closed micropore structure is finally obtained through the steps of mixing, granulating, drying, sintering and the like without compression molding. The volume density of the material is 320-840 kg/m < 3 >, the compressive strength is 6-19 MPa, the normal-temperature heat conductivity coefficient is smaller than or equal to 0.09 W/(m.K), and the heat conductivity coefficient at 1000 DEG C is smaller than or equal to 0.5 W/(m.K). The thermal insulation material is low in raw material cost and simple in process, not only meets the performance requirements of a thermal insulation layer of a high-temperature kiln, but also conforms to the sustainable development concept of the current society, and is a light thermal insulation material integrating high performance and environmental protection.
本发明公开了一种高温微发泡的轻质隔热材料及其制备方法。该轻质隔热材料按质量百分比配料，包括：30～60％花岗岩废料，10～30％高温助熔剂，0～30％硅藻土，0～10％黏土，0.6～1.2％高温发泡剂。无需压制成型，经混料、造粒、干燥、烧成等步骤，最终得到具有闭口微孔结构的轻质隔热材料。其体积密度为320～840kg/m3、抗压强度为6～19MPa、常温导热系数≤0.09W/(m·K)，1000℃时的导热系数≤0.5W/(m·K)。本发明原料成本低廉，工艺简单，不仅满足作为高温窑炉保温层的性能要求，还符合当前社会可持续发展理念，是集高性能与绿色环保于一体的轻质隔热材料。
High-temperature micro-foaming light thermal insulation material and preparation method thereof
一种高温微发泡的轻质隔热材料及其制备方法
MA CHENGLIANG (author) / PAN MENGBO (author) / QI WENHAO (author) / DU HAORAN (author) / WU XIAOPENG (author) / ZHAN XUEWU (author) / ZHAO FEI (author)
2021-01-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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