Y. Xi, K. Cheng, Xiao Tao, Lou Xitong, Lei Cheng, Yanjuan Hu
{"title":"Parametric Design of Reverse Blowing Pickup Mouth Based on Flow Simulation","authors":"Y. Xi, K. Cheng, Xiao Tao, Lou Xitong, Lei Cheng, Yanjuan Hu","doi":"10.12733/JICS20105653","DOIUrl":null,"url":null,"abstract":"Based on the analysis of structural parameters, the flow field of reverse blowing pickup mouth was calculated with CFD. The dust collection efficiency was validated with gas-solid phrase flow. The results show that the diameter of outlet or the dip angle increases respectively when iD1B ≤ 0:45 or ≤ 110 ◦ . Airflow velocities of four narrow slots (front, rear, left and right) increase; With the sweeper-traveling speed increasing overall removal efficiency and grade efficiency decrease. Especially for grade efficiency, sweeper-traveling speed has great effects on large size particles, while it has slight effects on small size particles under the same operating conditions.","PeriodicalId":213716,"journal":{"name":"The Journal of Information and Computational Science","volume":"63 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Journal of Information and Computational Science","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.12733/JICS20105653","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
Based on the analysis of structural parameters, the flow field of reverse blowing pickup mouth was calculated with CFD. The dust collection efficiency was validated with gas-solid phrase flow. The results show that the diameter of outlet or the dip angle increases respectively when iD1B ≤ 0:45 or ≤ 110 ◦ . Airflow velocities of four narrow slots (front, rear, left and right) increase; With the sweeper-traveling speed increasing overall removal efficiency and grade efficiency decrease. Especially for grade efficiency, sweeper-traveling speed has great effects on large size particles, while it has slight effects on small size particles under the same operating conditions.
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