WANG Bo wen,SUN An ning,ZHANG Guo min,et al.Hydrodynamic Effect of Baffle in a Hybrid Growth Membrane Bioreactor[J].China Water & Wastewater,2018,34(21):80-85.
混合生长式膜生物反应器中导流板的流体力学影响
- Title:
- Hydrodynamic Effect of Baffle in a Hybrid Growth Membrane Bioreactor
- 文章编号:
- 1000-4602(2018)21-0080-06
- 关键词:
- 混合生长式膜生物反应器; 填料; 导流板; 隔离网; 流体力学特性
- Keywords:
- hybrid growth membrane bioreactor; carrier; baffle; separation mesh; hydrodynamic characteristics
- 分类号:
- TU992.3
- 文献标志码:
- C
- 摘要:
- 在中试规模的混合生长式膜生物反应器(HG-MBR)中,采用导流板对膜区和填料区的隔离网进行了优化研究,通过清水试验分析了导流板面积和位置对反应器流体力学特性的影响。结果表明,使用导流板可以改善反应器的流体力学特性,减小隔离网对填料流动的负面效应,降低驱动填料流化所需的曝气量,促进填料在反应器内的循环流动,从而达到节能降耗的目的。优化运行结果表明,膜区和填料区之间的隔离网在上部采用导流板式封闭设计(面积约为0.71 m2),当填料填充率为50%时,驱动填料流动所需的曝气量可减少15%以上,节能效果明显。
- Abstract:
- The study was carried out for optimizing the separation mesh between the membrane area and the carrier area by using a baffle in a hybrid growth membrane bioreactor (HGMBR). The effects of the area and the location of the baffle on the hydrodynamic characteristics of the reactor were investigated by clean water experiment. It was found that the use of a baffle could improve the hydrodynamic characteristics of the reactor, mitigate the negative impact of the separation mesh on the mobility of the carriers, reduce the aeration rate required for driving the carriers, enhance the recirculation of the carriers in the reactor, and therefore reduce the energy consumption. The optimized operation results showed, when the closed design of a baffle (an area of 0.71 m2) on the upper part of the separation mesh between the membrane area and the carrier area was adopted and the filling ratio was 50%, obvious energy saving effects were achieved as aeration rate driving for the moving of the carriers was reduced more than 15%.
参考文献/References:
[1]Yang F,Wang Y,Bick A,et al. Performance of different configurations of hybrid growth membrane bioreactor (HGMBR)for treatment of mixed wastewater[J]. Desalination,2012,284(1):261-268.
[2]Gu Q,Sun T,Wu G,et al. Influence of carrier filling ratio on the performance of moving bed biofilm reactor in treating coking wastewater[J]. Bioresour Technol,2014,166:72-78.
[3]Han S,Yue Q,Yue M,et al. Effect of sludgefly ash ceramic particles (SFCP) on synthetic wastewater treatment in an A/O combined biological aerated filter[J]. Bioresour Technol,2009,100(3):1149-1155.
[4]吴云,杜小磊,宋凯,等. 生物接触氧化池悬浮填料流动特性数值模拟分析[J]. 化工学报,2018,69(7):3242-3248.Wu Yun,Du Xiaolei,Song Kai,et al. Numerical simulation analysis of flow characteristics of suspended packing in biological contact oxidation tank[J]. CIESC Journal,2018,69(7):3242-3248(in Chinese).
[5]周艾文,金腊华. 曝气量对生物陶粒MBBR处理效能的影响[J]. 工业用水与废水,2014,45(1):22-26.Zhou Aiwen,Jin Lahua. Influence of aeration rate on wastewater treatment efficiency of bioceramic MBBR[J]. Industrial Water & Wastewater,2014,45(1):22-26(in Chinese).
[6] Li S R,Cheng W,Wang M,et al. The flow patterns ofbubble plume in an MBBR[J]. Journal of Hydrodynamics,2011,23(4):510-515.
[7]许龙. 关于悬浮填料生物接触氧化池设计的探讨[J]. 中国给水排水,2015,31(24):1-4.Xu Long. Discussion on design of suspended media biological contact oxidation tank[J]. China Water & Wastewater,2015,31(24):1-4(in Chinese).
[8]Gu D Y,Liu Z H,Xie Z M,et al. Numerical simulation of solidliquid suspension in a stirred tank with a dual punched rigidflexible impeller[J]. Adv Powder Technol,2017,28(10):2723-2734.
[9]张新波,宋姿,祁丽,等. 聚氨酯海绵载体填充率对MBBR脱氮的影响[J]. 中国给水排水,2017,33(15):78-81.Zhang Xinbo,Song Zi,Qi Li,et al. Effect of filling fraction on nitrogen removal of polyurethane spongebased moving bed biofilm reactor[J]. China Water & Wastewater,2017,33(15):78-81(in Chinese).
[10]熊水应,李翠红. MBBR工艺在微污染原水预处理中的应用[J]. 给水排水,2010,36(7):25-29.Xiong Shuiying,Li Cuihong. Application of MBBR in micropolluted raw water pretreatment[J]. Water & Wastewater Engineering,2010,36(7):25-29(in Chinese).
相似文献/References:
[1]朱点钰,陈年浩,朱津苇,等.填料类型对MBBR启动及运行效能的影响[J].中国给水排水,2018,34(21):1.
ZHU Dian yu,CHEN Nian hao,ZHU Jin wei,et al.Effect of Carrier Type on Startup and Operating Efficiency of Moving Bed Biofilm Reactor[J].China Water & Wastewater,2018,34(21):1.
[2]苑泉,贺北平,钱亮,等.某污水厂主流Anammox现象产生的原因探讨[J].中国给水排水,2020,36(11):1.
YUAN Quan,HE Bei-ping,QIAN Liang,et al.Discussion on Reasons of Mainstream Anammox Phenomenon in a Wastewater Treatment Plant[J].China Water & Wastewater,2020,36(21):1.
[3]胡少华,许波涛,李相业,等.核电厂海水冷却塔填料安装方式研究[J].中国给水排水,2020,36(21):93.
HU Shao-hua,XU Bo-tao,LI Xiang-ye,et al.Installation Method of Seawater Cooling Tower Packing in Nuclear Power Plant[J].China Water & Wastewater,2020,36(21):93.
[4]马晶伟,林潇,施周,等.生物滤池/生物滞留池组合设施控制CSO污染的效果[J].中国给水排水,2021,37(19):131.
MA Jing-wei,LIN Xiao,SHI Zhou,et al.Control Effect of Combined Process of Biofilter and Bioretention Ponds on CSO Pollution[J].China Water & Wastewater,2021,37(21):131.
备注/Memo
基金项目:国家自然科学基金资助项目(51568018);中西部高校项目(MWECSP-RT08、ZXBJH-XK004、ZXBJH-XK);海南省高校研究生创新科研课题项目(Hys2017-85)
通信作者:杨飞E-mail:Laochy@163.com
作者简介:王博文(1992- ),男,湖北黄冈人,硕士研究生,研究方向为污水处理技术。
E-mail:haowangbowen@163.com
收稿日期:2018-04-08