砖厂对辊辊筒埋弧堆焊用药芯焊丝的选择及堆焊工艺的确定田大标徐龙江赵艳玲煤炭科学研究院建井所前言在制砖工艺过程中，要求把粘土破碎成３－７ｍｍ以下，目前普遍使用的设备是对辊破碎机，它依靠两个高速旋转的光面对辊来破碎粘土，其工作原理如图１所示。目前辊筒的材... The selection of the flux cored wire and the surfacing process for the submerged arc welding of the roller mill in the brick factory Tian Dabiao, Xu Longjiang, Zhao Yanling Institute of Coal Science and Construction Institute Introduction In the process of brick making, the clay is required to be broken to below 3-7mm. The commonly used equipment is a roll crusher, which relies on two high-speed rotating lights to break the clay, and its working principle is shown in Figure 1. Current roller material...