Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Lightweight refractory brick and preparation method thereof
The invention discloses a lightweight refractory brick and a preparation method thereof, and belongs to the field of refractory materials, the lightweight refractory brick comprises a brick body and a refractory coating coated on the surface of the brick body, the brick body is prepared from the following raw materials in parts by weight: fly ash, mullite lightweight aggregate, silica powder, diatomite, glass beads, cellosilk and a binder; the refractory coating is prepared from the following raw materials in parts by weight: nano metal oxide and an inorganic silicon flame retardant; the light refractory brick has good mechanical performance, the high-temperature resistance of the refractory brick is remarkably improved, compared with an existing refractory brick, the light refractory brick has the lower high-temperature reheating linear change rate, the high thermal shock resistance is high, and the pressure resistance at the high temperature is also improved.
本发明公开了一种轻质耐火砖及其制备方法，属于耐火材料领域，本发明包括砖体和涂覆在砖体表面的耐火涂层，砖体由以下重量份的原料制成：粉煤灰、莫来石轻质骨料、硅石粉、硅藻土、玻璃微珠、纤维丝以及粘结剂；耐火涂层的制备原料包括重量份：纳米金属氧化物和无机硅阻燃剂；本发明轻质耐火砖不仅具有良好的机械性能，还显著的提高了耐火砖的耐高温性能，本发明与现有的耐火砖相比具有更低的高温重烧线变化率，本发明的耐火砖具有较高的热震稳定性，也提高了高温下的抗压能力。
Lightweight refractory brick and preparation method thereof
The invention discloses a lightweight refractory brick and a preparation method thereof, and belongs to the field of refractory materials, the lightweight refractory brick comprises a brick body and a refractory coating coated on the surface of the brick body, the brick body is prepared from the following raw materials in parts by weight: fly ash, mullite lightweight aggregate, silica powder, diatomite, glass beads, cellosilk and a binder; the refractory coating is prepared from the following raw materials in parts by weight: nano metal oxide and an inorganic silicon flame retardant; the light refractory brick has good mechanical performance, the high-temperature resistance of the refractory brick is remarkably improved, compared with an existing refractory brick, the light refractory brick has the lower high-temperature reheating linear change rate, the high thermal shock resistance is high, and the pressure resistance at the high temperature is also improved.
本发明公开了一种轻质耐火砖及其制备方法，属于耐火材料领域，本发明包括砖体和涂覆在砖体表面的耐火涂层，砖体由以下重量份的原料制成：粉煤灰、莫来石轻质骨料、硅石粉、硅藻土、玻璃微珠、纤维丝以及粘结剂；耐火涂层的制备原料包括重量份：纳米金属氧化物和无机硅阻燃剂；本发明轻质耐火砖不仅具有良好的机械性能，还显著的提高了耐火砖的耐高温性能，本发明与现有的耐火砖相比具有更低的高温重烧线变化率，本发明的耐火砖具有较高的热震稳定性，也提高了高温下的抗压能力。
Lightweight refractory brick and preparation method thereof
轻质耐火砖及其制备方法
ZHOU ZHIYU (Autor:in) / ZHOU JIANGUO (Autor:in) / QIAN XINYI (Autor:in)
03.05.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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