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Novel high-aluminum silicon carbide carbonaceous castable
The invention discloses a novel high-aluminum silicon carbide carbonaceous castable which comprises the components in percentage by mass: 70-72% of high-aluminum aggregate, 2-3% of ball pitch, 4-8% of alumina micro powder, 4-5% of submicron SiO2 micro powder, 10-12% of silicon carbide powder, 2-6% of white corundum powder, 0.6-0.8% of metal silicon powder, 0.5-0.7% of metal aluminum powder, 0.08-0.1% of explosion-proof fibers, 0.1-0.16% of a dispersing agent, and 4.3% of additionally added water; and the components are uniformly stirred, and vibration molding is carried out. Through multiple technical measures, the compact degree of the high-aluminum silicon carbide carbonaceous castable is improved to the maximum extent, and meanwhile, a low melting phase generated by a castable matrix at high temperature due to introduction of cement is thoroughly avoided; and the defect of the high-temperature performance of high-aluminum aggregate is counteracted through breakthrough enhancement of the performance of the powder matrix, the problem that the thermal strength of the high-aluminum silicon carbide carbonaceous castable is obviously reduced compared with that of a corundum high-aluminum silicon carbide carbonaceous castable for a long time is solved, and the aim of completely replacing corundum aggregate with high-aluminum aggregate in a common high-aluminum silicon carbide carbonaceous castable is achieved.
本发明公开了一种新型高铝碳化硅碳质浇注料，各组分按质量百分比计为：高铝骨料70‑72％；球沥青2‑3％；氧化铝微粉4‑8％；亚微米SiO2微粉4‑5％；碳化硅粉10‑12％；白刚玉粉2‑6％；金属硅粉0.6‑0.8％；金属铝粉0.5‑0.7％；防爆纤维0.08‑0.1％；分散剂0.1‑0.16％；外加4.3％的水搅拌均匀后振动成型。本发明利用通过多项技术措施，最大程度的提高了高铝碳化硅碳质浇注料的致密程度，同时彻底避免了浇注料基质因水泥引入在高温下产生的低熔相，通过粉料基质性能的突破性增强，抵消了高铝骨料本身高温性能的不足，解决了长期以来高铝碳化硅碳质浇注料相比刚玉质高铝碳化硅碳质浇注料热态强度显著降低的问题，实现了普通高铝碳化硅碳质浇注料中以高铝骨料完全替换刚玉骨料的目标。
Novel high-aluminum silicon carbide carbonaceous castable
The invention discloses a novel high-aluminum silicon carbide carbonaceous castable which comprises the components in percentage by mass: 70-72% of high-aluminum aggregate, 2-3% of ball pitch, 4-8% of alumina micro powder, 4-5% of submicron SiO2 micro powder, 10-12% of silicon carbide powder, 2-6% of white corundum powder, 0.6-0.8% of metal silicon powder, 0.5-0.7% of metal aluminum powder, 0.08-0.1% of explosion-proof fibers, 0.1-0.16% of a dispersing agent, and 4.3% of additionally added water; and the components are uniformly stirred, and vibration molding is carried out. Through multiple technical measures, the compact degree of the high-aluminum silicon carbide carbonaceous castable is improved to the maximum extent, and meanwhile, a low melting phase generated by a castable matrix at high temperature due to introduction of cement is thoroughly avoided; and the defect of the high-temperature performance of high-aluminum aggregate is counteracted through breakthrough enhancement of the performance of the powder matrix, the problem that the thermal strength of the high-aluminum silicon carbide carbonaceous castable is obviously reduced compared with that of a corundum high-aluminum silicon carbide carbonaceous castable for a long time is solved, and the aim of completely replacing corundum aggregate with high-aluminum aggregate in a common high-aluminum silicon carbide carbonaceous castable is achieved.
本发明公开了一种新型高铝碳化硅碳质浇注料，各组分按质量百分比计为：高铝骨料70‑72％；球沥青2‑3％；氧化铝微粉4‑8％；亚微米SiO2微粉4‑5％；碳化硅粉10‑12％；白刚玉粉2‑6％；金属硅粉0.6‑0.8％；金属铝粉0.5‑0.7％；防爆纤维0.08‑0.1％；分散剂0.1‑0.16％；外加4.3％的水搅拌均匀后振动成型。本发明利用通过多项技术措施，最大程度的提高了高铝碳化硅碳质浇注料的致密程度，同时彻底避免了浇注料基质因水泥引入在高温下产生的低熔相，通过粉料基质性能的突破性增强，抵消了高铝骨料本身高温性能的不足，解决了长期以来高铝碳化硅碳质浇注料相比刚玉质高铝碳化硅碳质浇注料热态强度显著降低的问题，实现了普通高铝碳化硅碳质浇注料中以高铝骨料完全替换刚玉骨料的目标。
Novel high-aluminum silicon carbide carbonaceous castable
一种新型高铝碳化硅碳质浇注料
WEI JIANXIU (author) / CHENG SHUIMING (author) / CONG PEIYUAN (author) / ZHOU ZICHEN (author)
2021-09-21
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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