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The invention relates to a refractory castable prepared from coal gangue. The refractory castable comprises the following components in parts by weight: 15 to 25 parts of 5-3mm coal gangue; 25 to 35 parts of 3 to 1mm coal gangue; 10 to 20 parts of coal gangue of 1 to 0.5 mm; 5 to 10 parts of 180-mesh kyanite; 17 to 27 parts of 200-mesh high-alumina bauxite clinker; 3-7 parts of silica powder; 3-8parts of calcium aluminate cement; 2-5 parts of titanium dioxide; 0.1 to 1.6 parts of iron oxide yellow; and 0.08 to 0.35 part of sodium tripolyphosphate. The refractory castable is high in porosity and small in volume density, has heat insulation performance, and can play a role in shielding heat energy. Heat energy is prevented from flowing out and losing under the condition that the temperatureis higher than the environment temperature, energy consumption of the thermotechnical kiln is reduced, the weight of the kiln body is reduced, and heat preservation performance is improved. The product effectively reduces the cost, and is simple in production process and good in use performance.
本发明涉及一种利用煤矸石制备的耐火浇注料，按重量份组分包括：5‑3mm煤矸石15～25份；3‑1mm煤矸石25～35份；1‑0.5mm煤矸石10～20份；180目蓝晶石5～10份；200目高铝矾土熟料17～27份；硅微粉3～7份；铝酸钙水泥3～8份；钛白粉2～5份；氧化铁黄0.1～1.6份；三聚磷酸钠0.08～0.35份。本产品气孔率高，体积密度小，具有隔热性能，对热能可以起屏蔽作用。用在高于环境温度条件下防止热能的流出损失，降低热工窑炉的能耗，降低炉体重量，增加保温性能。并且该产品有效降低成本，生产工艺简单、使用性能良好。
The invention relates to a refractory castable prepared from coal gangue. The refractory castable comprises the following components in parts by weight: 15 to 25 parts of 5-3mm coal gangue; 25 to 35 parts of 3 to 1mm coal gangue; 10 to 20 parts of coal gangue of 1 to 0.5 mm; 5 to 10 parts of 180-mesh kyanite; 17 to 27 parts of 200-mesh high-alumina bauxite clinker; 3-7 parts of silica powder; 3-8parts of calcium aluminate cement; 2-5 parts of titanium dioxide; 0.1 to 1.6 parts of iron oxide yellow; and 0.08 to 0.35 part of sodium tripolyphosphate. The refractory castable is high in porosity and small in volume density, has heat insulation performance, and can play a role in shielding heat energy. Heat energy is prevented from flowing out and losing under the condition that the temperatureis higher than the environment temperature, energy consumption of the thermotechnical kiln is reduced, the weight of the kiln body is reduced, and heat preservation performance is improved. The product effectively reduces the cost, and is simple in production process and good in use performance.
本发明涉及一种利用煤矸石制备的耐火浇注料，按重量份组分包括：5‑3mm煤矸石15～25份；3‑1mm煤矸石25～35份；1‑0.5mm煤矸石10～20份；180目蓝晶石5～10份；200目高铝矾土熟料17～27份；硅微粉3～7份；铝酸钙水泥3～8份；钛白粉2～5份；氧化铁黄0.1～1.6份；三聚磷酸钠0.08～0.35份。本产品气孔率高，体积密度小，具有隔热性能，对热能可以起屏蔽作用。用在高于环境温度条件下防止热能的流出损失，降低热工窑炉的能耗，降低炉体重量，增加保温性能。并且该产品有效降低成本，生产工艺简单、使用性能良好。
Refractory castable prepared from coal gangue and preparation method of refractory castable
一种利用煤矸石制备的耐火浇注料及其制备方法
QIU WEI (author)
2020-09-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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