循环流化床多联供试验台调节特性的试验研究  

Experimental study on control characteristics of circulating fluidized bed multi-generation system

作　　者：吕清刚[1] 王斌[1,2] 那永洁[1] 贺军[1] 

机构地区：[1]中国科学院工程热物理研究所 [2]中国科学院研究生院,北京100080

出　　处：《化学工程》2009年第12期75-78,共4页Chemical Engineering(China)

摘　　要：在一个循环流化床与移动床结合的多联供冷态试验台上,循环床与移动床之间用改进的气动分配阀控制循环物料的分配,提升管直径为400mm、高度为6000mm,移动床直径为476mm、高度为1200mm。进行了单回路运行和双回路同时运行的试验,对气动分配阀返料特性和系统压力分布进行了研究。在气动分配阀的返料临界压力范围内,在两侧存在压差的情况下,气动分配阀可以实现对循环物料在回路1和回路2之间分配的调节控制。试验结果为循环流化床多联供热态试验台的设计提供了一些经验。A cold test model of a circulating fluidized bed multi-generation system consists of a circulating fluidized bed of 400 mm in diameter and 6 000 mm in height and a combined moving bed of 476 mm in diameter and 1 200 mm in height. A modified pneumatic distribution valve was used to adjust circulating ash flows between the two beds. The experiments on single-loop run and two-loop run were carried out to test the operation characteristics of the pneumatic distribution valve and the pressure profile of the system. In the working range of pressure distribution the pneumatic distribution valve can adjust circulating ash flows between loop 1 and loop 2. The results can be applied to the design of a hot test rig of circulating fluidized bed multi-generation system.

关 键 词：多联供 循环流化床 气动分配阀 移动床 

分 类 号：TK229.6[动力工程及工程热物理—动力机械及工程]