Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Special corundum mullite brick special for lime kiln and preparation method thereof
The invention discloses a special corundum mullite brick special for a lime kiln and a preparation method of the special corundum mullite brick. The special corundum mullite brick comprises the following raw materials: aggregate, silicon carbide, corundum, bauxite, fused quartz, Guangxi white mud, aluminum dihydrogen phosphate and rare earth elements. The aggregate is formed by crushing mullite blocks; the mullite block is prepared from the following raw materials: aluminum oxide superfine powder, zirconium-containing silicon micropowder, andalusite, kyanite and sillimanite. The preparation method has the beneficial effects that the andalusite, the kyanite, the sillimanite, the aluminum oxide superfine powder and the zirconium-containing silica powder are firstly prepared into the mullite block, and then the mullite block is crushed and is added into the raw materials for preparing the lime kiln brick as the aggregate, so that the andalusite, the kyanite and the sillimanite can be fully gridded to the mullite, and the effect of gridding the mullite is improved; the prepared special corundum mullite brick special for the lime kiln has high refractoriness and thermal shock resistance, has high structural strength and small volume density, and effectively reduces the kiln body cracking phenomenon of the lime kiln.
本发明公开了一种石灰窑专用特种刚玉莫来石砖及其制备方法，其组成原料包括骨料、碳化硅、刚玉、铝矾土、熔融石英、广西白泥、磷酸二氢铝、稀土元素；所述骨料由莫来石块破碎而成；所述莫来石块的组成原料包括氧化铝超微粉、含锆硅微粉、红柱石、蓝晶石、硅线石。本发明的有益效果是：本发明将红柱石，蓝晶石，硅线石，氧化铝超微粉，含锆硅微粉先制成莫来石块，再将莫来石块粉碎破碎，作为骨料添加到制备石灰窑砖的原料中去，使得红柱石，蓝晶石，硅线石能够充分向莫来石网格化，制备得到的石灰窑专用特种刚玉莫来石砖具有较高的耐火度和热震性能，在具有较高的结构强度的同时，体积密度小，有效减少了石灰窑的窑体开裂现象。
Special corundum mullite brick special for lime kiln and preparation method thereof
The invention discloses a special corundum mullite brick special for a lime kiln and a preparation method of the special corundum mullite brick. The special corundum mullite brick comprises the following raw materials: aggregate, silicon carbide, corundum, bauxite, fused quartz, Guangxi white mud, aluminum dihydrogen phosphate and rare earth elements. The aggregate is formed by crushing mullite blocks; the mullite block is prepared from the following raw materials: aluminum oxide superfine powder, zirconium-containing silicon micropowder, andalusite, kyanite and sillimanite. The preparation method has the beneficial effects that the andalusite, the kyanite, the sillimanite, the aluminum oxide superfine powder and the zirconium-containing silica powder are firstly prepared into the mullite block, and then the mullite block is crushed and is added into the raw materials for preparing the lime kiln brick as the aggregate, so that the andalusite, the kyanite and the sillimanite can be fully gridded to the mullite, and the effect of gridding the mullite is improved; the prepared special corundum mullite brick special for the lime kiln has high refractoriness and thermal shock resistance, has high structural strength and small volume density, and effectively reduces the kiln body cracking phenomenon of the lime kiln.
本发明公开了一种石灰窑专用特种刚玉莫来石砖及其制备方法，其组成原料包括骨料、碳化硅、刚玉、铝矾土、熔融石英、广西白泥、磷酸二氢铝、稀土元素；所述骨料由莫来石块破碎而成；所述莫来石块的组成原料包括氧化铝超微粉、含锆硅微粉、红柱石、蓝晶石、硅线石。本发明的有益效果是：本发明将红柱石，蓝晶石，硅线石，氧化铝超微粉，含锆硅微粉先制成莫来石块，再将莫来石块粉碎破碎，作为骨料添加到制备石灰窑砖的原料中去，使得红柱石，蓝晶石，硅线石能够充分向莫来石网格化，制备得到的石灰窑专用特种刚玉莫来石砖具有较高的耐火度和热震性能，在具有较高的结构强度的同时，体积密度小，有效减少了石灰窑的窑体开裂现象。
Special corundum mullite brick special for lime kiln and preparation method thereof
石灰窑专用特种刚玉莫来石砖及其制备方法
GUO XIAOHUI (Autor:in) / HAN MINGJUN (Autor:in) / HAN CHENHUI (Autor:in)
23.01.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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