Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Gate valve sliding plate brick for converter slag stopping and preparation method of gate valve sliding plate brick
The invention relates to a sluice valve sliding plate brick for converter slag stopping and a preparation method thereof, and belongs to the technical field of refractory materials, the sluice valve sliding plate brick for converter slag stopping comprises the following raw materials: MgO-C, Cr3C2-crystalline flake graphite, an adhesive and an antioxidant; the Cr3C2-crystalline flake graphite is prepared by the following steps: uniformly mixing a molten salt medium, crystalline flake graphite and Cr, putting into an alumina crucible, sintering in a corundum tube furnace, cooling to room temperature, washing and drying to obtain the Cr3C2-crystalline flake graphite. According to the technical scheme, the antioxidant is decomposed at high temperature to generate ZrO2 and SiO2, ZrO2 can react with graphite to generate ZrC, and compared with initial free graphite, the formed ZrC has higher oxidation resistance, so that the free graphite phase is converted into high-oxidation-resistance ZrC, and the oxidation resistance of the sliding plate brick can be greatly improved.
本发明涉及一种转炉挡渣用闸阀滑板砖及其制备方法，属于耐火材料技术领域，该转炉挡渣用闸阀滑板砖，包括以下原料：MgO‑C、Cr3C2‑鳞片石墨、粘合剂和抗氧化剂；Cr3C2‑鳞片石墨包括以下步骤制得：将熔盐介质、鳞片石墨和Cr混合均匀后，放入氧化铝坩埚中，在刚玉管式炉中进行烧结，然后冷却至室温，经洗涤和干燥后，得到Cr3C2‑鳞片石墨。本发明技术方案中，抗氧化剂在高温下分解产生ZrO2和SiO2，ZrO2能够与石墨反应生成ZrC，与初始游离石墨相比，形成的ZrC具有更高的抗氧化性，进而实现将游离石墨相转化为高抗氧化ZrC，能够大大提升滑板砖的抗氧化性能。
Gate valve sliding plate brick for converter slag stopping and preparation method of gate valve sliding plate brick
The invention relates to a sluice valve sliding plate brick for converter slag stopping and a preparation method thereof, and belongs to the technical field of refractory materials, the sluice valve sliding plate brick for converter slag stopping comprises the following raw materials: MgO-C, Cr3C2-crystalline flake graphite, an adhesive and an antioxidant; the Cr3C2-crystalline flake graphite is prepared by the following steps: uniformly mixing a molten salt medium, crystalline flake graphite and Cr, putting into an alumina crucible, sintering in a corundum tube furnace, cooling to room temperature, washing and drying to obtain the Cr3C2-crystalline flake graphite. According to the technical scheme, the antioxidant is decomposed at high temperature to generate ZrO2 and SiO2, ZrO2 can react with graphite to generate ZrC, and compared with initial free graphite, the formed ZrC has higher oxidation resistance, so that the free graphite phase is converted into high-oxidation-resistance ZrC, and the oxidation resistance of the sliding plate brick can be greatly improved.
本发明涉及一种转炉挡渣用闸阀滑板砖及其制备方法，属于耐火材料技术领域，该转炉挡渣用闸阀滑板砖，包括以下原料：MgO‑C、Cr3C2‑鳞片石墨、粘合剂和抗氧化剂；Cr3C2‑鳞片石墨包括以下步骤制得：将熔盐介质、鳞片石墨和Cr混合均匀后，放入氧化铝坩埚中，在刚玉管式炉中进行烧结，然后冷却至室温，经洗涤和干燥后，得到Cr3C2‑鳞片石墨。本发明技术方案中，抗氧化剂在高温下分解产生ZrO2和SiO2，ZrO2能够与石墨反应生成ZrC，与初始游离石墨相比，形成的ZrC具有更高的抗氧化性，进而实现将游离石墨相转化为高抗氧化ZrC，能够大大提升滑板砖的抗氧化性能。
Gate valve sliding plate brick for converter slag stopping and preparation method of gate valve sliding plate brick
一种转炉挡渣用闸阀滑板砖及其制备方法
PENG XUEFENG (Autor:in) / LI YAWEI (Autor:in) / YU SHUZHONG (Autor:in) / CUI RENQU (Autor:in) / CHEN BO (Autor:in)
29.04.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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