[1]朱冬雪,谷朋阳,褚红燕,等.污水泵站格栅间排风口布局及气流组织优化数值研究[J].南京师范大学学报(工程技术版),2019,19(02):043.[doi:10.3969/j.issn.1672-1292.2019.02.006]
　Zhu Dongxue,Gu Pengyang,Chu Hongyan,et al.Numerical Study on the Layout of Air Exhaust Vents and AirflowOrganization Optimization in the Sewage Pumping Station[J].Journal of Nanjing Normal University(Engineering and Technology),2019,19(02):043.[doi:10.3969/j.issn.1672-1292.2019.02.006]
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污水泵站格栅间排风口布局及气流组织优化数值研究
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南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
19卷
期数:
2019年02期
页码:
043
栏目:
能源与机械工程
出版日期:
2019-06-30

文章信息/Info

Title:
Numerical Study on the Layout of Air Exhaust Vents and AirflowOrganization Optimization in the Sewage Pumping Station
文章编号:
1672-1292(2019)02-0043-07
作者:
朱冬雪; 谷朋阳; 褚红燕; 林福建; 鹿世化
南京师范大学能源与机械工程学院,江苏 南京 210042
Author(s):
Zhu Dongxue; Gu Pengyang; Chu Hongyan; Lin Fujian; Lu Shihua
School of Energy and Mechanical Engineering,Nanjing Normal University,Nanjing 210042,China
关键词:
污水泵站; 排风口布局; 气流组织; 数值模拟
Keywords:
sewage pumping station; exhaust vent layout; airflow organization; numerical simulation
分类号:
TU834
DOI:
10.3969/j.issn.1672-1292.2019.02.006
文献标志码:
A
摘要:
污水泵站格栅间恶臭气体的扩散严重影响周围居民的身体健康和人居环境. 运用Fluent软件对格栅间不同送风口送风状态下室内的气流组织进行数值模拟,并考虑在格栅开口有污染物不断释放的条件下,分析送风系统对污染物扩散的影响,找寻一种用于格栅间排风系统的最优通风方式. 研究表明,现有的送风方式均会引起格栅内气流组织的剧烈扰动,造成格栅内二次污染. 在所有送风口共同作用下,室内污染物NH3的扩散强度大于H2S,送风系统对室内污染物的扩散产生更大的负面影响. 与自由流出口相对的送风口送风方式对室内气流组织的干扰小,送风路径中污染物较少,对保持室内新风非常有利.
Abstract:
The spread of malodorous gas in the grid of the sewage pumping station has a serious effect on the health and living environment of the surrounding residents. The Fluent software is used to simulate the airflow in the air supply state of the air supply port between the grilles and consider the opening in the grille. Under the condition of continuous release of pollutants, the influence of the air supply system on the diffusion of pollutants is analyzed, and an optimal ventilation method for the exhaust system in the grille is found. The research shows that the existing air supply method causes the disturbance of the airflow in the grille, causing secondary pollution in the grille. Under the joint action of all air outlets, the diffusion intensity of indoor pollutant NH3 is greater than H2S. The air supply system has a greater negative impact on the diffusion of indoor pollutants. The air supply mode of the air outlet opposite to the free air outlet has less interference to the indoor airflow organization, and the less pollutants in the air supply path are very beneficial to keep the indoor fresh air.

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备注/Memo

备注/Memo:
收稿日期:2018-05-24.
基金项目:江苏省高校自然科学基金(16KJB120002)、国家自然科学基金青年基金(61603194).
通讯联系人:鹿世化,博士,副教授,研究方向:工业通风及空调工程. E-mail:lushihua@njnu.edu.cn
更新日期/Last Update: 2019-06-30