大型循环硫化床锅炉旋风分离器中心筒的研制

Development of Central Tubes in Cyclone Separator of Large CFB Boiler

介绍了研制大型循环流化床锅炉旋风分离器中心筒的熔炼工艺、消失模铸造工艺、后序加工焊接的特点,分析了大型循环流化床锅炉旋风分离器中心筒在使用中存在的问题。实践证明,制造的大型循环流化床锅炉旋风分离器中心筒使用寿命达到并超过设计要求,为大批量生产中心筒提供了技术支持,为以后生产类似产品积累了宝贵经验。

The characteristics of melting process, EPC casting process and sequence processing welding in developing central tube castings in cyclone separator of large CFB boiler were introduced, the problems of the central tube castings in use were analyzed. Practice has proved, the service life of the made central tubes reaches and exceeds the design requirements. It provides technical support for the batch production of center tube.