截面3.6m宽隧道窑拱平顶结构分析及加固

Analysis and reinforcement of arch ceiling of 3.6m wide cross-section tunnel kiln

烧结砖企业技术改造中,不仅需要对市场需求、资源条件、产品结构及规模、产业政策、技术方案进行全面的分析,还需要对关键设备,特别是烧成隧道窑结构形式进行全面技术评估,如对采用异形重质耐火砖砌筑拱平顶的隧道窑结构形式,虽然所砌筑平顶有利砖垛截面温度的均匀性,然而,却增加了拱顶荷载的水平推力,耐火砖用量较高,造成高温条件下窑运行中结构存在较大安全风险。因此,需要对窑结构选择进行充分评估,才能为企业的持续发展创造坚实的工艺条件,在此基础上,才能实现技改的预定目标。

During the technological transformation of fired brick enterprises,not only need a comprehensive analysis to the market demand,resource conditions,product structure and scale,industrial policy and technical solutions,but also need a comprehensive technical assessment for the key equipment,especially the tunnel kiln structure.Therefore,the need to fully evaluate the choice of the kiln structure in order to sustainable development of enterprises to create solid process conditions,on this basis,in order to achieve the proposed technical objectives.