Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Chromate-free long-life RH refractory material
The invention relates to a chromate-free long-life RH refractory material, and mainly relates to a chromate-free brick for an RH lining, and the brick is mainly composed of the following components inparts by mass: 40-55 parts of fused magnesite particles, 15-20 parts of fused magnesite fine powder, 5-15 parts of hercynite micro powder, 0.6-1.5% of modified graphite, 2-4 parts of alumina micro powder, 2-4 parts of zirconia fine powder and 1-3 parts of organic binder. The novel chromium-free brick is used for replacing a traditional magnesium-chromium brick, the adverse effect of RH furnace refractory materials on the environment is greatly reduced, and meanwhile it is guaranteed that the technical indexes such as the fire resistance and the service life of the product are not reduced.
本发明涉及一种无铬化长寿命RH耐材，主要是一种RH内衬用无铬砖，主要由以质量份数计的以下成分组成：电熔镁砂颗粒40‑55份、电熔镁砂细粉15‑20份、铁铝尖晶石微粉5‑15份、改性石墨0.6‑1.5％、氧化铝微粉2‑4份、氧化锆细粉2‑4份、有机结合剂1‑3份。本发明用新型的无铬砖取代传统的镁铬砖，大大降低了RH炉耐材对环境的不利影响，同时，也保证了产品的耐火性能和使用寿命等技术指标不降低。
Chromate-free long-life RH refractory material
The invention relates to a chromate-free long-life RH refractory material, and mainly relates to a chromate-free brick for an RH lining, and the brick is mainly composed of the following components inparts by mass: 40-55 parts of fused magnesite particles, 15-20 parts of fused magnesite fine powder, 5-15 parts of hercynite micro powder, 0.6-1.5% of modified graphite, 2-4 parts of alumina micro powder, 2-4 parts of zirconia fine powder and 1-3 parts of organic binder. The novel chromium-free brick is used for replacing a traditional magnesium-chromium brick, the adverse effect of RH furnace refractory materials on the environment is greatly reduced, and meanwhile it is guaranteed that the technical indexes such as the fire resistance and the service life of the product are not reduced.
本发明涉及一种无铬化长寿命RH耐材，主要是一种RH内衬用无铬砖，主要由以质量份数计的以下成分组成：电熔镁砂颗粒40‑55份、电熔镁砂细粉15‑20份、铁铝尖晶石微粉5‑15份、改性石墨0.6‑1.5％、氧化铝微粉2‑4份、氧化锆细粉2‑4份、有机结合剂1‑3份。本发明用新型的无铬砖取代传统的镁铬砖，大大降低了RH炉耐材对环境的不利影响，同时，也保证了产品的耐火性能和使用寿命等技术指标不降低。
Chromate-free long-life RH refractory material
一种无铬化长寿命RH耐材
CHEN JIANPING (Autor:in) / XU LIGONG (Autor:in) / CAO BOJUN (Autor:in)
10.11.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME