Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-temperature fired alumina-magnesia-carbon sliding plate brick and production method thereof
The invention relates to a high-temperature sintered alumina-magnesia-carbon sliding plate brick and a production method thereof, the high-temperature sintered alumina-magnesia-carbon sliding plate brick comprises the following raw materials: 65-73% of tabular corundum, 10-15% of defective spinel micro powder, 1-3% of light-burned magnesia fine powder, 3-6% of metal silicon powder, 1-3% of expanded graphite, 2-4% of carbon black, 1-2% of high-temperature asphalt powder, 1-2% of boron carbide and 1-3% of borax. The weight of the thermosetting phenolic resin binding agent is 3-5% of the total weight of the raw materials. The sliding plate brick disclosed by the invention has the advantages of high strength, good thermal shock resistance, strong adaptability, long service life and the like; the apparent porosity of the product is 6-8%, the volume density is 3.00-3.15 g/cm < 3 >, the normal-temperature compressive strength is 130-180 MPa, the normal-temperature breaking strength is 15-30 MPa, the high-temperature breaking strength is 15-20 MPa, the residual breaking strength retention rate (1100 DEG C water cooling for 3 times) is 65-75%, and the oxide layer thickness (1500 DEG C * 3h) is 0.5-2 mm.
本发明涉及一种高温烧成铝镁碳滑板砖及其生产方法，原料为65～73％的板状刚玉、10～15％的缺陷尖晶石微粉、1～3％的轻烧镁砂细粉、3～6％的金属硅粉、1～3％的膨胀石墨、2～4％的碳黑、1～2％的高温沥青粉、1～2％的碳化硼、1～3％的硼砂，外加上述原料总重量3～5％的热固性酚醛树脂结合剂。本发明的滑板砖具有强度高、热震稳定性好、适应性强、使用寿命长等优点；产品显气孔率6‑8％、体积密度3.00‑3.15g/cm3、常温耐压强度130‑180MPa、常温抗折强度15‑30MPa，高温抗折强度15‑20MPa、残余抗折强度保持率(1100℃水冷3次)65‑75％、氧化层厚度(1500℃×3h)0.5‑2mm。
High-temperature fired alumina-magnesia-carbon sliding plate brick and production method thereof
The invention relates to a high-temperature sintered alumina-magnesia-carbon sliding plate brick and a production method thereof, the high-temperature sintered alumina-magnesia-carbon sliding plate brick comprises the following raw materials: 65-73% of tabular corundum, 10-15% of defective spinel micro powder, 1-3% of light-burned magnesia fine powder, 3-6% of metal silicon powder, 1-3% of expanded graphite, 2-4% of carbon black, 1-2% of high-temperature asphalt powder, 1-2% of boron carbide and 1-3% of borax. The weight of the thermosetting phenolic resin binding agent is 3-5% of the total weight of the raw materials. The sliding plate brick disclosed by the invention has the advantages of high strength, good thermal shock resistance, strong adaptability, long service life and the like; the apparent porosity of the product is 6-8%, the volume density is 3.00-3.15 g/cm < 3 >, the normal-temperature compressive strength is 130-180 MPa, the normal-temperature breaking strength is 15-30 MPa, the high-temperature breaking strength is 15-20 MPa, the residual breaking strength retention rate (1100 DEG C water cooling for 3 times) is 65-75%, and the oxide layer thickness (1500 DEG C * 3h) is 0.5-2 mm.
本发明涉及一种高温烧成铝镁碳滑板砖及其生产方法，原料为65～73％的板状刚玉、10～15％的缺陷尖晶石微粉、1～3％的轻烧镁砂细粉、3～6％的金属硅粉、1～3％的膨胀石墨、2～4％的碳黑、1～2％的高温沥青粉、1～2％的碳化硼、1～3％的硼砂，外加上述原料总重量3～5％的热固性酚醛树脂结合剂。本发明的滑板砖具有强度高、热震稳定性好、适应性强、使用寿命长等优点；产品显气孔率6‑8％、体积密度3.00‑3.15g/cm3、常温耐压强度130‑180MPa、常温抗折强度15‑30MPa，高温抗折强度15‑20MPa、残余抗折强度保持率(1100℃水冷3次)65‑75％、氧化层厚度(1500℃×3h)0.5‑2mm。
High-temperature fired alumina-magnesia-carbon sliding plate brick and production method thereof
一种高温烧成铝镁碳滑板砖及其生产方法
HAN YANFENG (Autor:in) / ZHAO CHENRUI (Autor:in) / LIANG BAOQING (Autor:in) / XU YUEQING (Autor:in) / LI HONGYU (Autor:in) / NIU ZHIWANG (Autor:in) / SHANG JUNLI (Autor:in) / WANG HAIXIA (Autor:in)
07.06.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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