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《中国化学工程学报(英文版)》 2008-02
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Optimization of Nozzle Design for Pulse Cleaning of Ceramic Filter

CHI Huachang 1,2 ,YU Liang 2 ,CHOI Joo-Hong 2 and JI Zhongli 1,1Department of Mechanical and Electrical Engineering,China University of Petroleum,Beijing 102249,China 2 Department of Chemical and Biological Engineering,Gyeongsang National University,Jinju 660-701,South Korea  
The experimental study was carried out to optimize the nozzle shape and dimension for the pulse clean- ing of a ceramic filter candle.A bench scale unit of ceramic filter consisting of four commercial filter elements was used to measure the traces of the transient pressure around the nozzle and the overpressure in the filter cavity during the pulse-jet injection of pulse gas.Overpressure in the filter cavity is related to the pulse cleaning force.Nozzle design is concerned to increase the overpressure at the open end of filter element of pulse cleaning inlet,as well as to minimize the consumption of pulse gas.Convergent nozzle induces more secondary flow and generates higher pulse cleaning effect than straight nozzle.Nozzles of different convergent ratio(ratio of outlet to inlet diameter of nozzle)by changing the convergent angle and height were tested.The outlet diameter of convergent nozzle seri- ously influences the cleaning effect.The optimum convergent ratio increases with the increase of pulse gas pressure. The nozzle position(distance of nozzle tip from the open end of filter inlet)is also important to decide the nozzle dimension.Nozzle of large outlet diameter accepts high pressure of pulse gas to provide large overpressure in the filter cavity of top position by applying long distance.
【Fund】: the National Natural Science Foundation of China(50411140527);; Korea Science and Engineering Foundation
【CateGory Index】: TQ051.8
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【References】
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1 YU Liang (Environmental Monitoring Center Station of Anshan,Anshan 114004,China);Optimization of nozzle design for pulse cleaning of ceramic filter[J];Energy Conservation;2010-04
【Citations】
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1 CUI Xiao\|lan, et al. (College of Mechanical and Electrical Engineering in the University of Petroleum, Beijing 102200);EFFECT OF NOZZLE STRUCTURE ON THE TRANSIENT PRESSURE IN CERAMIC FILTER CANDLE[J];Journal of The University of Petroleum,china;2001-03
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【Co-citations】
Chinese Journal Full-text Database 8 Hits
1 Xi Zhengping, Tang Huiping, Zhu Jilei, Zhang Jian (Northwest Institute for Nonferrous Metal Research, Xi'an 710016, China);Application of Porous Metal in Fields of Energy Source and Environment Protection[J];Rare Metal Materials and Engineering;2006-S2
2 Wang Qiangbing, Tang Huiping, Xi Zhengping, Zhang Jian, Li Zengfeng (Northwest Institute for Nonferrous Metal Research, Xi'an 710016, China);The Studies Progress of the Metal Porous Material Using in the Gasification Technology[J];Rare Metal Materials and Engineering;2006-S2
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6 Du Liuliu, Shen Henggen and Lou Kebin (College of Environmental Science & Engineering, Donghua University);Research Progress on the Dust Cleaning of Bag Filter[J];Building Energy & Environment;2007-05
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8 CHI Huachang1,2,JI Zhongli1,SUN Dongmei1 and CUI Lishan1 1 Department of Mechanical and Electrical Engineering,China University of Petroleum,Beijing 102249,China 2 Department of Engineering and Construction,China National Oil & Gas Exploration and Development Corpora-tion,Beijing 100034,China;Experimental Investigation of Dust Deposit within Ceramic Filter Medium during Filtration-Cleaning Cycles[J];中国化学工程学报(英文版);2009-02
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1 Yang Junjun Kuang Chunjiang Gao Chunyang Li Donghuai (Advanced Technology & Materials Co. , Ltd, Beijing 100081);Research on Corrosion Resistance of Several Porous Metal Materials in The Gas Mixture of SO_2/O_2/N_2 & H_2S/CO_2/N_2[A];[C];2006
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1 Meng Xiangbo and Ji Zhongli //1999,23(5);MEASUREMENT AND ANALYSIS OF FLOW PARAMETERS DURING PULSE\|BACK CLEANING PROCESS OF CERAMIC FILTERS[J];JOURNAL OF THE UNIVERSITY OF PETROLEUM,CHINA;1999-05
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