CN107462073A - 一种十字棒式水泥窑立墙用预制砖 - Google Patents

一种十字棒式水泥窑立墙用预制砖 Download PDF

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CN107462073A
CN107462073A CN201710739406.5A CN201710739406A CN107462073A CN 107462073 A CN107462073 A CN 107462073A CN 201710739406 A CN201710739406 A CN 201710739406A CN 107462073 A CN107462073 A CN 107462073A
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clamping
preformed bricks
drill rod
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许高
山国强
王强
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CHANGXING XING YING BUILDING MATERIAL Co Ltd OF NEW FIRE-RESISTANT
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Abstract

本发明公开了一种十字棒式水泥窑立墙用预制砖，属于耐火材料技术领域，其为立方体结构的本体，所述本体的一面设置有十字形的卡接凸起，所述卡接凸起所在面的对立面设置有同样十字形的卡接凹槽，所述卡接凸起与所述卡接凹槽的轮廓相适配，所述本体的另一面设置有钢钎插槽，所述钢钎插槽上设置有钢钎插孔。该预制砖相互之间的定位方便准确、制成的保温层结构牢固并可安装钢钎，用于与钢制层相焊接。

Description

一种十字棒式水泥窑立墙用预制砖
技术领域
本发明涉及耐火材料技术领域，具体地指一种十字棒式水泥窑立墙用预制砖。
背景技术
目前，水泥窑内衬墙体很多部位都是由浇注料在施工现场浇注成型，作业工序比较多，需要完成清理筒体、锚固钉焊接、支模、浇注、养护、脱模等工序，浇筑完毕后还需要养护、烘烤后才能够投入使用，整体而言，现场浇注加水量随意性大，浇注质量缺陷大，导致浇注料强度低、耐磨性差、热震稳定性差、导热系数大等缺陷，窑炉筒体外壁温度高、热损耗大、使用寿命较短，耐火衬体更换较为频繁，费时费力又影响生产。
现有技术中有考虑到采用预制的耐火砖经堆砌后代替无定型浇注料制成隔热层，需要解决预制砖之间的定位和连接强度问题，以及如何与钢制层相连接的问题。
发明内容
申请本发明的目的就是要提供一种十字棒式水泥窑立墙用预制砖，用于制造水泥窑立墙的保温层，该预制砖定位方便准确、连接牢固且可插入钢钎与钢制层进行焊接。
为实现上述目的，本发明所设计的一种十字棒式水泥窑立墙用预制砖，为立方体结构的本体；
所述本体的一面设置有十字形的卡接凸起，所述卡接凸起所在面的对立面设置有同样十字形的卡接凹槽，所述卡接凸起与所述卡接凹槽的轮廓相适配；
所述本体的一面设置有钢钎插槽，所述钢钎插槽上设置有钢钎插孔。
作为上述技术方案的优选，所述卡接凸起的横截面轮廓为圆弧状，同样的，所述卡接凹槽的截面轮廓也为圆弧状。
作为上述技术方案的优选，所述卡接凸起包括两条交错的凸棱，分别与所在矩形面上的两条边相平行。
作为上述技术方案的优选，所述卡接凹槽包括有两条交错的凹槽，分别贯通其所在的矩形面。
作为上述技术方案的优选，所述钢钎插槽所在面与所述卡接凸起所在面或所述卡接凹槽所在面相垂直。
作为上述技术方案的优选，所述钢钎插槽的一端贯通所在矩形面的长边，另一端终止于所在矩形面的一点上。
作为上述技术方案的优选，所述钢钎插孔位于所述钢钎插槽另一端的端点上。
作为上述技术方案的优选，所述预制砖的一面设置有台阶状的卡台，其向对面设置有轮廓与之相适配的卡台。
上述预制砖按质量分数计，由下列组分构成：
主料，包括：
莫来石15~35份；
棕刚玉10~25份；
金红石粉5~15份；
高铝矾土粉5~15份；
微硅粉3~8份；
氧化镁粉3~8份；
高铝水泥3~10份；
碳化硅5~10份；
外加料，包括：
三聚磷酸钠0.15~0.18份；
防爆纤维0.13~0.16份。
作为上述技术方案的优选，按质量分数计，由下列组分构成：
主料，包括：
莫来石30~35份；
棕刚玉10~15份；
金红石粉10~15份；
高铝矾土粉10~15份；
微硅粉5份；
氧化镁粉5份；
高铝水泥3份；
碳化硅10份；
外加料，包括：
三聚磷酸钠0.16份；
防爆纤维0.15份。
作为上述技术方案的优选，所述防爆纤维为以聚丙烯为原料经烘烤后得到的纤维材料。
作为上述技术方案的优选，所述莫来石为烧结莫来石骨料或烧结莫来石细粉。
一种十字棒式水泥窑立墙用预制砖的制备方法，包括如下步骤：
①混料：将主料按照配方配好，放在搅拌机中进行搅拌，然后加入外加料和水；
②成形：将搅拌好的混合料加入到模具中，靠混合料的自重和表面张力摊平，抹去表面多余的混合料；
③养护：将装有混合料的模具放入25℃的恒温环境中，硬化后脱模，脱模后再放置至少48小时；
④干燥：将养护好的砖坯放置在电窑内进行烘干，烘干后自然冷却到室温；
⑤烧制：干燥后的砖坯放入加热炉中，按照5℃/min的升温速率升温到300℃，再以10℃/min的升温速率升温到1000℃，并保温3小时，然后自然冷却到室温，既得窑口预制砖。
作为上述技术方案的优选，步骤④中电窑的温度设置为110℃，烘干时间至少为24小时。
本发明与现有技术相比，具有以下优点及有益效果：
（1）该预制砖相互之间的定位方便准确；
（2）该预制砖制成的保温层结构牢固；
（3）该预制砖采用陶瓷结合方式结合，提高了预制砖的高温性能；金红石粉可以与氧化镁粉反应生成性能良好的钛酸镁，具有良好的抗碱侵蚀性；氧化镁粉还能与材料中的骨料，硅微粉等生成堇青石等物质并可吸收材料里面的杂质，大大提高了浇注料的抗热震抗侵蚀低热导热性能。
附图说明
图1为一种十字棒式水泥窑立墙用预制砖的主视图。
图2为一种十字棒式水泥窑立墙用预制砖的俯视图。
图3为一种十字棒式水泥窑立墙用预制砖的左视图。
图4为一种十字棒式水泥窑立墙用预制砖的右视图。
图5为带有卡台的预制砖主视图。
图中：卡接凸起a1、卡接凹槽a2、钢钎插槽a3、钢钎插孔a31。
具体实施方式
下面结合附图和具体实施例对本发明作进一步的详细描述：
实施例1：参考图1~图4，一种十字棒式水泥窑立墙用预制砖，为立方体结构的本体，本体的一面设置有十字形的卡接凸起a1，所述卡接凸起a1所在面的对立面设置有同样十字形的卡接凹槽a2，所述卡接凸起a1与所述卡接凹槽a2的轮廓均为圆弧状且相适配；
其中卡接凸起a1包括两条交错的凸棱，分别与所在矩形面上的两条边相平行，卡接凹槽a2包括有两条交错的凹槽，分别贯通其所在的矩形面。
所述本体的一面设置有钢钎插槽a3，所述钢钎插槽a3所在面与所述卡接凸起a1所在面或所述卡接凹槽a2所在面相垂直，所述钢钎插槽a3上设置有钢钎插孔a31，所述钢钎插槽a3的一端贯通所在矩形面的长边，另一端终止于所在矩形面的一点上，同时钢钎插孔a31即位于所述钢钎插槽a3另一端的端点上。
实施例2：参考图5，一种十字棒式水泥窑立墙用预制砖，与实施例1的不同之处在于：所述预制砖的一面设置有台阶状的卡台，其向对面设置有轮廓与之相适配的卡台。
实施例3~实施例6的预制砖制备流程如下所述：
①混料：将主料按照配方配好，放在搅拌机中进行搅拌，然后加入外加料和水，继续进行搅拌。②成形：将搅拌好的混合料加入到模具中，靠混合料的自重和表面张力摊平，抹去表面多余的混合料；
③养护：将装有混合料的模具放入25℃的恒温环境中，硬化后脱模，脱模后再放置48小时；
④干燥：将养护好的砖坯放置在电窑内以110℃进行烘干24小时，烘干后自然冷却到室温；
⑤烧制：干燥后的砖坯放入加热炉中，按照5℃/min的升温速率升温到300℃，再以10℃/min的升温速率升温到1000℃，并保温3小时，然后自然冷却到室温，既得窑口预制砖。
实施例3~实施例6的预制砖配方见表一：
表一 实施例2~实施例5的预制砖配方
表二为实施例3~实施例6所制备的预制砖性能参数
表二 实施例3~实施例6所制备的预制砖性能参数

Claims (8)

1.一种十字棒式水泥窑立墙用预制砖，其特征在于：为立方体结构的本体；
所述本体的一面设置有十字形的卡接凸起（a1），所述卡接凸起（a1）所在面的对立面设置有同样十字形的卡接凹槽（a2），所述卡接凸起（a1）与所述卡接凹槽（a2）的轮廓相适配；
所述本体的一面设置有钢钎插槽（a3），所述钢钎插槽（a3）上设置有钢钎插孔（a31）。
2.根据权利要求1所述的一种十字棒式水泥窑立墙用预制砖，其特征在于：所述卡接凸起（a1）的横截面轮廓为圆弧状，同样的，所述卡接凹槽（a2）的截面轮廓也为圆弧状。
3.根据权利要求1所述的一种十字棒式水泥窑立墙用预制砖，其特征在于：所述卡接凸起（a1）包括两条交错的凸棱，分别与所在矩形面上的两条边相平行。
4.根据权利要求3所述的一种十字棒式水泥窑立墙用预制砖，其特征在于：所述卡接凹槽（a2）包括有两条交错的凹槽，分别贯通其所在的矩形面。
5.根据权利要求1所述的一种十字棒式水泥窑立墙用预制砖，其特征在于：所述钢钎插槽（a3）所在面与所述卡接凸起（a1）所在面或所述卡接凹槽（a2）所在面相垂直。
6.根据权利要求5所述的一种十字棒式水泥窑立墙用预制砖，其特征在于：所述钢钎插槽（a3）的一端贯通所在矩形面的长边，另一端终止于所在矩形面的一点上。
7.根据权利要求6所述的一种十字棒式水泥窑立墙用预制砖，其特征在于：所述钢钎插孔（a31）位于所述钢钎插槽（a3）另一端的端点上。
8.根据权利要求1所述的一种十字棒式水泥窑立墙用预制砖，其特征在于：所述预制砖的一面设置有台阶状的卡台，其向对面设置有轮廓与之相适配的卡台。
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