水泥生产过程中主要热量损耗在于窑尾预热器出口废气带走热、窑系统表面向环境通过辐射及对流方式传导热量、窑头熟料冷却机余风带走热和出冷却机熟料带走热损失等.研究水泥窑尾预热器表面耗散热和回转窑筒体热回收技术,是提高水泥厂能量利用率的重要措施.为了在预分解窑更高效的使用能源审计分析.本文从能量平衡的角度分析了预分解窑系统的能源利用及损失情况,研究了耐火材料降低预热器筒热损失及利用二级窑壳回收回转窑表面余热的情况,提高水泥窑系统的能源利用率.
The main heat in the cement production process is wasted in the kiln end preheater exit gas to take away the heat, the kiln system surface to the environment through the radiation, the convection way conduction heat, the clinker clinker cooler take away the heat and the cooler clinker away Heat loss and so on.It is an important measure to improve the energy efficiency of cement plant by studying the heat dissipation of the surface of the cement preheater and the heat recovery technology of the rotary kiln.In order to use new energy cement kiln system more efficient energy audit analysis.In this paper, the energy utilization and loss of the precalciner kiln system are analyzed from the view of energy balance.The influence of the refractories on the heat loss of the preheater tube and the recovery of the residual heat of the rotary kiln by the secondary kiln shell is studied.The energy of cement kiln system is improved.
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