流体诱导下洗涤冷却室内部构件的振动特性  

Vibrational Property of Internal Component in Scrubbing-Cooling Chamber with Flow Induced

作　　者：柴雪琴[1] 王亦飞[1] 尹柯[1] 赵晓辉[1] 刘霞[1] 于广锁[1] 

机构地区：[1]华东理工大学洁净煤技术研究所,煤气化教育部重点实验室,上海200237

出　　处：《华东理工大学学报（自然科学版）》2010年第3期346-350,共5页Journal of East China University of Science and Technology

基　　金：国家重点基础研究发展计划项目(2004CB217700);上海市优秀学科带头人资助计划项目(08XD1401300)

摘　　要：洗涤冷却室内分隔板与鼓泡区气液的相互作用,使得分隔板在流体的诱导下产生振动。采用防水型加速度计,在不同工况下测定分隔板的振动信号,通过对振动信号的时域分析,讨论了操作条件(表观气速和静态液位等)对振动强度的影响,得出了分隔板振动强度随表观气速和床层液位的变化规律,且在一定气速下振动最强区域与液位高度关联性很强。The interaction of the break-board in the scrubbing-cooling chamber and the gas-liquid in the bubbling region makes the break-board vibrate under the induction of the flow.Vibration signals of break-boards are measured under different conditions with waterproof accelerometer and studied by time-frequency analysis.The effect of operation conditions（superficial gas velocity and static liquid height） on the vibration intensity is discussed.The regularity of vibration intensity of break-boards changing with the variations of superficial gas velocity and static liquid height is analyzed.The most intensive vibrational region and liquid level have strong correlation under certain gas speed.

关 键 词：分隔板 时域分析 振动 表观气速 静态液位 

分 类 号：TQ021[化学工程]