选择性催化还原蜂窝状催化剂内流动特性的多尺度模拟

删除或更新信息，请邮件至freekaoyan#163.com(#换成@)

本站小编 Free考研考试/2022-01-01

王来勇¹，钱付平^1*，朱景晶¹，黄乃金²，徐兵²，吴昊²

1. 安徽工业大学建筑工程学院, 安徽马鞍山 2430022. 安徽威达环保科技股份有限公司, 安徽合肥 230041

收稿日期:2019-04-02修回日期:2019-05-24出版日期:2020-02-22发布日期:2020-02-19
通讯作者:钱付平

Multi-scale simulation of flow characteristics in selective catalytic reduction honeycomb catalyst

Laiyong WANG¹, Fuping QIAN^1*, Jingjing ZHU¹, Naijin HUANG², Bing XU², Hao WU²

1. School of Civil Engineering and Architecture, Anhui University of Technology, Ma'anshan, Anhui 243002, China2. Anhui Weida Environment Protection Science &Technology Co., Ltd., Hefei, Anhui 230041, China

Received:2019-04-02Revised:2019-05-24Online:2020-02-22Published:2020-02-19
Contact:QIAN Fu-Ping

摘要/Abstract

摘要： 为提高选择性催化还原(SCR)脱硝反应器内催化剂的脱硝效率和使用寿命，从细观和宏观两个角度对SCR脱硝反应器的流动特性多尺度数值进行研究。在细观层面研究了不同高度的催化剂层产生的阻力随进口速度的变化，并计算得到阻力关系式。宏观层面，基于阻力关系式，计算出催化剂宏观结构数值模拟所需的粘性阻力系数和惯性阻力系数，对反应器内的流动特性进行数值模拟，并将其结果与实验数据对比，最大误差为8.6%。将关系式应用于具有不同结构(蜂窝状和斜板状)催化剂的脱硝反应器中，计算结果与文献值趋势基本一致，最大误差为12.9%。

引用本文

王来勇钱付平朱景晶黄乃金徐兵吴昊. 选择性催化还原蜂窝状催化剂内流动特性的多尺度模拟[J]. 过程工程学报, 2020, 20(2): 133-140.
Laiyong WANG Fuping QIAN Jingjing ZHU Naijin HUANG Bing XU Hao WU. Multi-scale simulation of flow characteristics in selective catalytic reduction honeycomb catalyst[J]. Chin. J. Process Eng., 2020, 20(2): 133-140.

使用本文

0
/ / 推荐
导出引用管理器 EndNote|Ris|BibTeX
链接本文:http://www.jproeng.com/CN/10.12034/j.issn.1009-606X.219172
http://www.jproeng.com/CN/Y2020/V20/I2/133

参考文献

[1] 刘涛. 2006. SCR多元催化剂脱硝性能实验研究及数值模拟[D]. 东南大学: 34–41.
Liu T. 2006. Experimental study and numerical simulation of denitration performance of SCR multi-catalyst [D]. Southeast University: 34–41.
[2] Lei Z G, Wen C P, Zhang J, et al. 2011. Selective catalytic reduction for NO removal: comparison of transfer and reaction performances among monolith catalysts [J]. Industrial & Engineering Chemistry Research, 50(10): 5942–5951.
[3] Ergun S. 1952. Fluid flow through packed columns [J]. Chemical Engineering Progress, 48(2): 89–94.
[4] 张新铭, 凌娅, 谷沁洋, 等. 2012. 多孔石墨泡沫材料内流动组里的扩展Ergun方程[J]. 材料导报B, 26(2): 118–121.
Zhang X M, Ling Y, Gu Q Y, et al. 2012. Extended Ergun equation in a flow group in a porous graphite foam [J]. Journal of Material and Guide B, 26(2): 118–121.
[5] 吴国忠, 邢永强, 吕研, 等. 2016. 多孔介质内油水流动阻力系数实验分析[J]. 实验技术与管理, 33(10): 34–37.
Wu G Z, Xing Y Q, Lv Y, et al. 2016. Experimental analysis of oil-water flow resistance coefficient in porous media [J]. Journal of Experimental Techniques and Methods, 33(10): 34–37.
[6] Albusairi B, Hsu J T. 2002. Application of shape factor to determine the permeability particles [J]. Chemical Engineering Journal, 89(11): 173–183.
[7] Teng H, Zhao T S. 2000. An extension of Darcy law to non-stokes flow in porous media [J]. Chemical Engineering Science, 55(12): 2727–2735.
[8] Ergun S, Orning A A. 1949. Fluid flow through randomly packed columns and fluidized beds [J]. Industrial and Engineering Chemistry, 41(6): 1179–1184.
[9] 逯彦红, 段国林. 2018. 多孔介质平板通道与空通道的速度分布和温度分布的解析解[J]. 工程热物理学报, 39(3): 634–639.
Lu Y H, Duan G L. 2018. Analytical solution of velocity distribution and temperature distribution of plate channels and empty channels in porous media [J]. Journal of Engineering and Thermophysics, 39(3): 634–639.
[10] 陈凯, 潘阳, 钱维扬, 等. 2018. 多孔介质金属泡沫的渗透率研究[J]. 热能动力工程, 33(1): 90–95.
Chen K, Pan Y, Qian W Y, et al. 2018. Study on permeability of porous metal foam [J]. Journal of Thermal Power and Engineering, 33(1): 90–95.
[11] 刘学强, 闫晓, 肖泽军, 等. 2009. 多孔介质内单向流流动特性[J]. 核动力工程, 30(5): 40–43.
Liu X Q, Yan X, Xiao Z J, et al. 2009. Unidirectional flow characteristics in porous media [J]. Journal of Nuclear Power and Engineering, 30(5): 40–43.
[12] 陈军强, 孙三祥, 张占东, 等. 2018. 多孔介质孔隙率对气液两相流场的影响[J]. 工业用水与废水, 49(1): 49–54.
Chen J Q, Sun S X, Zhang Z D, et al. 2018. Effect of porosity of porous media on gas-liquid two-phase flow field [J]. Journal of Industrial Water and Wastewater, 49(1): 49–54.
[13] 邢志祥, 张淑淑, 钱辉, 等. 2018. 多孔材料填充方式和孔隙率对储罐内LNG流动的影响[J]. 安全与环境学报, 18(3): 946–951.
Xing Z X, Zhang S S, Qian H, et al. 2018. Effect of porous material filling method and porosity on LNG flow in storage tank [J]. Journal of Safety and Environment, 18(3): 946–951.
[14] Dukhan N, Bagci O, Ozdemir M, et al. 2014. Experimental flow in various porous media and reconciliation of Forchheimer and Ergun relation [J]. Experimental Thermal and Fluid Science, 57(1): 425–433.
[15] Wang J Q, Zhang L X, Zhao J F, et al. 2018. Variations in permeability along with interfacial tension in hydrate bearing porous media [J]. Journal of Natural Gas Science and Engineering, 51(5): 141–146.
[16] Kundu P, Kumar V, Misshra I M, et al. 2016. Experimental and numerical investigation of fluid flow hydrodynamics in porous media: Characterization of pre-Darcy, Darcy and non-Darcy flow regimes [J]. Powder Technology, 303(10): 278–291.
[17] 李琪, 李勇, 曹丽华, 等. 2015. 流体横掠多孔介质流动稳定特性研究[J]. 化工机械, 42(5): 653–657.
Li Q, Li Y, Cao L H, et al. 2015. Study on flow stability characteristics of fluid crossing porous media [J]. Journal of Chemicals and Machinery, 42(5): 653–657.
[18] Mariola M B, Jerzy P S, Lukasz P, et al. 2017. Modeling of flow resistance and concentration change during the pressure transport of emulsion through porous media [J]. Chemical Engineering Research and Design, 27(1): 13–21.

相关文章 15

[1]	王丽丽张玉柱龙跃王子兵客海滨. 气淬粒化高炉熔渣液膜流动特性数值模拟[J]. 过程工程学报, 2020, 20(8): 887-895.
[2]	李雅侠张元张静寇丽萍龚斌吴剑华. 射流强化螺旋通道内流体流动与换热的数值模拟[J]. 过程工程学报, 2020, 20(8): 896-903.
[3]	傅梦倩姚秀颖范怡平卢春喜. 双层喷嘴提升管进料区内气固流动特性的数值模拟[J]. 过程工程学报, 2020, 20(7): 757-769.
[4]	朱景晶钱付平魏民韩云龙鲁进利. 褶型纤维过滤介质压力损失的多尺寸模拟[J]. 过程工程学报, 2020, 20(2): 167-173.
[5]	武文粉李会泉孟子衡王晨晔王兴瑞赵晨. 碱溶法回收废SCR脱硝催化剂中的二氧化钛[J]. 过程工程学报, 2019, 19(S1): 72-80.
[6]	时瑶王德武赵斌张少峰梁凯光马树辉. 旋流筛板式气固挡板流化床内压力脉动特性[J]. 过程工程学报, 2019, 19(1): 91-101.
[7]	张珺刘有智焦纬洲祁贵生. 三股对撞式撞击流反应器的流动特性[J]. , 2015, 15(2): 218-223.
[8]	沈志远杨利军刘梦溪卢春喜. 中心气升式气-固环流反应器与自由流化床流动特性对比[J]. , 2014, 14(4): 541-548.
[9]	崔刚刘梦溪卢春喜. 流化床-提升管耦合反应器内固含率的轴向分布及流动发展[J]. , 2014, 14(4): 556-561.
[10]	秦小刚闫子涵张广杰范怡平卢春喜. 流化床-提升管耦合反应器内沥青颗粒的流动特性[J]. , 2013, 13(4): 562-567.
[11]	王翠华唐密吴剑华寇丽萍. 等腰直角三角形截面螺旋流道内层流流体的流动特性[J]. , 2012, 12(5): 754-759.
[12]	孙治谦王振波吴存仙金有海. 油水重力分离过程油滴浮升规律的实验研究[J]. , 2009, 9(1): 23-27.
[13]	贾卫东杨敏官高波李辉顾海飞. 水平圆管内盐析湍流流动特性的实验研究[J]. , 2008, 8(6): 1075-1079.
[14]	郑淑国;朱苗勇. 多流连铸中间包各流流动特性一致性的判别[J]. , 2006, 6(4): 522-526.
[15]	罗保林;宗祥荣;王中礼;杨启业. 垂直立管中催化剂流动特性的实验研究[J]. , 2005, 5(2): 119-124.

PDF全文下载地址:

http://www.jproeng.com/CN/article/downloadArticleFile.do?attachType=PDF&id=3398