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Vermiculite insulating brick NG800-1200 DEG C 0.4-1.0, and preparation method and application thereof
The invention relates to a vermiculite insulating brick NG 800-1200 DEG C 0.4-1.0 and a preparation method and application thereof.The vermiculite insulating brick is prepared from kaolin, light refractory clay, clay brick powder, vermiculite mixed powder, Al2O3/porous glass balls, high-alumina cement, aluminum silicate fiber powder, water and a polymer, and the vermiculite insulating brick suitable for the side of an electrolytic cell can be prepared. The volume density is 0.4-0.5, the normal-temperature compressive strength is larger than or equal to 1.3 MPa, the high-temperature compressive strength is larger than or equal to 1.2 MPa, the use temperature is larger than or equal to 900 DEG C, and the heat conductivity coefficient is 200 DEG C and smaller than or equal to < = 0.123 at 300 DEG C; < = 0.142 at 600 DEG C; the temperature of 800 DEG C is less than or equal to 0.155; the volume density is 0.5-1.0, the normal-temperature compressive strength is more than or equal to 2.5 MPa, the high-temperature compressive strength is more than or equal to 2.5 MPa, the use temperature is more than or equal to 900 DEG C, and the heat conductivity coefficient is less than or equal to 0.2 at 500 DEG C; the temperature of 800 DEG C is smaller than or equal to 0.23 DEG C; meanwhile, various special-shaped vermiculite insulation bricks and vermiculite insulation boards which are not limited to standard brick sizes can be manufactured according to the size of the electrolytic cell; the heat insulation material has the advantages of being good in heat insulation effect, good in strength and small in reheating linear change rate.
本发明涉及一种蛭石保温砖NG800℃～1200℃‑0.4～1.0、制备方法及其应用，以高岭土、轻质耐火粘土、粘土砖粉、蛭石混合粉、Al2O3/多孔玻璃球、高铝水泥、硅酸铝纤维粉、水、聚合物为原料制备而成，可制成适用于电解槽侧部蛭石保温砖，体密0.4‑0.5、常温耐压强度≥1.3MPa、高温耐压强度≥1.2MPa、使用温度在≥900℃、导热系数200℃≤0.11；300℃≤0.123；600℃≤0.142；800℃≤0.155的超轻蛭石保温砖；还可制成适用于电解槽底部蛭石保温砖，体密0.5‑1.0、常温耐压强度≥2.5MPa、高温耐压强度≥2.5MPa、使用温度在≥900℃、导热系数500℃≤0.2；800℃≤0.23的蛭石保温砖；同时可根据电解槽尺寸制成不局限于标砖尺寸的各类异型蛭石保温砖、蛭石保温板；本发明具有隔热效果好、强度好、重烧线变化率小的优点。
Vermiculite insulating brick NG800-1200 DEG C 0.4-1.0, and preparation method and application thereof
The invention relates to a vermiculite insulating brick NG 800-1200 DEG C 0.4-1.0 and a preparation method and application thereof.The vermiculite insulating brick is prepared from kaolin, light refractory clay, clay brick powder, vermiculite mixed powder, Al2O3/porous glass balls, high-alumina cement, aluminum silicate fiber powder, water and a polymer, and the vermiculite insulating brick suitable for the side of an electrolytic cell can be prepared. The volume density is 0.4-0.5, the normal-temperature compressive strength is larger than or equal to 1.3 MPa, the high-temperature compressive strength is larger than or equal to 1.2 MPa, the use temperature is larger than or equal to 900 DEG C, and the heat conductivity coefficient is 200 DEG C and smaller than or equal to < = 0.123 at 300 DEG C; < = 0.142 at 600 DEG C; the temperature of 800 DEG C is less than or equal to 0.155; the volume density is 0.5-1.0, the normal-temperature compressive strength is more than or equal to 2.5 MPa, the high-temperature compressive strength is more than or equal to 2.5 MPa, the use temperature is more than or equal to 900 DEG C, and the heat conductivity coefficient is less than or equal to 0.2 at 500 DEG C; the temperature of 800 DEG C is smaller than or equal to 0.23 DEG C; meanwhile, various special-shaped vermiculite insulation bricks and vermiculite insulation boards which are not limited to standard brick sizes can be manufactured according to the size of the electrolytic cell; the heat insulation material has the advantages of being good in heat insulation effect, good in strength and small in reheating linear change rate.
本发明涉及一种蛭石保温砖NG800℃～1200℃‑0.4～1.0、制备方法及其应用，以高岭土、轻质耐火粘土、粘土砖粉、蛭石混合粉、Al2O3/多孔玻璃球、高铝水泥、硅酸铝纤维粉、水、聚合物为原料制备而成，可制成适用于电解槽侧部蛭石保温砖，体密0.4‑0.5、常温耐压强度≥1.3MPa、高温耐压强度≥1.2MPa、使用温度在≥900℃、导热系数200℃≤0.11；300℃≤0.123；600℃≤0.142；800℃≤0.155的超轻蛭石保温砖；还可制成适用于电解槽底部蛭石保温砖，体密0.5‑1.0、常温耐压强度≥2.5MPa、高温耐压强度≥2.5MPa、使用温度在≥900℃、导热系数500℃≤0.2；800℃≤0.23的蛭石保温砖；同时可根据电解槽尺寸制成不局限于标砖尺寸的各类异型蛭石保温砖、蛭石保温板；本发明具有隔热效果好、强度好、重烧线变化率小的优点。
Vermiculite insulating brick NG800-1200 DEG C 0.4-1.0, and preparation method and application thereof
一种蛭石保温砖NG800℃~1200℃-0.4~1.0、制备方法及其应用
LYU FENGLEI (author) / LU AIJUN (author) / KONG SHASHA (author) / MIAO YUN (author) / WU JIXIANG (author) / KONG HONGXIN (author)
2024-10-29
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2024
Vermiculite insulating concrete
| Engineering Index Backfile | 1945