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A platform for research: civil engineering, architecture and urbanism
Plastic high-temperature ceramic sealing gasket for steel-making long nozzle and preparation method of plastic high-temperature ceramic sealing gasket
The invention discloses a plastic high-temperature ceramic sealing gasket for a steel-making long nozzle. The raw material formula of the ceramic sealing gasket consists of an outer-layer raw material and an inner-layer raw material, wherein the inner-layer raw material comprises the following components in parts by weight: 90-98 parts of electric smelting aluminum oxide powder, 10-20 parts of activated aluminum oxide powder, 10-20 parts of aluminum oxide micro powder, 1-5 parts of silicon micro powder, 0.5-2 parts of a plasticizing additive, 0.2-1 part of a plastic retaining additive and 15-25 parts of modified aluminum sol; and the outer-layer raw material is a graphite material. The ceramic sealing gasket has excellent high-temperature use performance, plastic deformation performance, tear resistance, processibility and high-temperature sealing performance.
本发明公开了一种炼钢长水口用塑性高温陶瓷密封垫，陶瓷密封垫的原料配方由外层原料和内层原料组成；其中，所述内层原料包括如下重量份的组分：90‑98份电熔氧化铝粉、10‑20份活性氧化铝粉、10‑20份氧化铝微粉、1‑5份硅微粉、0.5‑2份增塑添加剂、0.2‑1份保塑添加剂、15‑25份改性铝溶胶；所述外层原料为石墨材料。其具有优异的高温使用性能、塑性变形性能、抗撕裂性能、可加工性能和高温密封性。
Plastic high-temperature ceramic sealing gasket for steel-making long nozzle and preparation method of plastic high-temperature ceramic sealing gasket
The invention discloses a plastic high-temperature ceramic sealing gasket for a steel-making long nozzle. The raw material formula of the ceramic sealing gasket consists of an outer-layer raw material and an inner-layer raw material, wherein the inner-layer raw material comprises the following components in parts by weight: 90-98 parts of electric smelting aluminum oxide powder, 10-20 parts of activated aluminum oxide powder, 10-20 parts of aluminum oxide micro powder, 1-5 parts of silicon micro powder, 0.5-2 parts of a plasticizing additive, 0.2-1 part of a plastic retaining additive and 15-25 parts of modified aluminum sol; and the outer-layer raw material is a graphite material. The ceramic sealing gasket has excellent high-temperature use performance, plastic deformation performance, tear resistance, processibility and high-temperature sealing performance.
本发明公开了一种炼钢长水口用塑性高温陶瓷密封垫，陶瓷密封垫的原料配方由外层原料和内层原料组成；其中，所述内层原料包括如下重量份的组分：90‑98份电熔氧化铝粉、10‑20份活性氧化铝粉、10‑20份氧化铝微粉、1‑5份硅微粉、0.5‑2份增塑添加剂、0.2‑1份保塑添加剂、15‑25份改性铝溶胶；所述外层原料为石墨材料。其具有优异的高温使用性能、塑性变形性能、抗撕裂性能、可加工性能和高温密封性。
Plastic high-temperature ceramic sealing gasket for steel-making long nozzle and preparation method of plastic high-temperature ceramic sealing gasket
一种炼钢长水口用塑性高温陶瓷密封垫及其制备方法
HU ZHIWEI (author) / FAN ZHIHUI (author) / LI XUEWEI (author)
2022-02-22
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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