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作 者:郭星[1] 党小庆[1] 劳以诺 黄河 霍小敏[1] 丁磊[1] GUO Xing DANG Xiaoqing LAO Yi' nuo HUANG He HUO Xiaomin DING Lei(School of Environment & Municipal Engineering,Xi'an University of Architecture & Technology,Xi'an 710055 ,China Shanghai Bag Filtration Equipment Co. Ltd. ,Shanghai 200241,China)
机构地区:[1]西安建筑科技大学环境与市政工程学院,西安710055 [2]上海袋式除尘配件有限公司,上海200241
出 处:《环境工程学报》2017年第3期1766-1770,共5页Chinese Journal of Environmental Engineering
摘 要:采用物理模型实验,对回转定位喷吹系统的扁圆形滤袋壁面峰值压力分布进行测试,得出该滤袋同一截面压力分布均匀,且其沿滤袋长度方向的壁面峰值压力分布规律也与圆形滤袋相似。在该规律成立条件下,将扁圆形滤袋运用等效面积法转化为圆形滤袋,通过数值模拟方法,设计正交实验得出:滤袋壁面峰值压力随着喷吹压力和喷嘴直径的增大而增大,而随滤袋长度增加无明显变化;并进行单因素实验得出,当滤袋长度增加至10 m,可满足工程设计清灰需要,为滤袋长度的设计提供了重要依据。The peak pressure distribution on a cross-sectional flat circular bag in a rotary positioner spurt blowing system was studied using physical model tests. The results show that the bag pressure distribution on the same cross section is uniform and that the regularity of the peak pressure distribution is similar to that of a circular filter bag. The flat circular bag was transformed into a circular filter bag using equivalent area under the identified regularity conditions,and an orthogonal test was designed using a numerical simulation experiment. The results demonstrate that the wall peak pressure of the bag surface increases with the increase of the blowing pressure and nozzle diameter,whereas there is no significant change with the increase of the bag length. This single-factor experiment shows that the bag length increases to 10 m,which can satisfy the cleaning ash needs for engineering design and provide an important basis for bag length design.
关 键 词:定位喷吹 扁圆形滤袋 袋式除尘器 壁面峰值压力 滤袋长度
分 类 号:X513[环境科学与工程—环境工程]
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