自吸式文丘里洗涤器引射特性实验研究

doi:10.16085/j.issn.1000-6613.2017-1589

化工进展 ›› 2018, Vol. 37 ›› Issue (03): 920-927.DOI: 10.16085/j.issn.1000-6613.2017-1589

自吸式文丘里洗涤器引射特性实验研究

赵祥迪¹, 徐银谋^1,2, 王正¹, 孙万付¹, 袁纪武¹, 杨帅¹

1 中国石油化工股份有限公司青岛安全工程研究院, 化学品安全控制国家重点实验室, 山东青岛, 266071;
2 青岛科技大学机电工程学院, 山东青岛 266061

收稿日期:2017-07-31 修回日期:2017-10-13 出版日期:2018-03-05 发布日期:2018-03-05
通讯作者: 孙万付,博士,教授,主要从事化工安全、装备研制等方面研究。
作者简介:赵祥迪(1983-),男,硕士,高级工程师,主要从事化事故应急装备研究开发等方面研究。
基金资助:
国家科技支撑计划项目（2015BAK37B03）。

Experimental investigation on the injection performance in Venturi scrubber working in self-priming mode

ZHAO Xiangdi¹, XU Yinmou^1,2, WANG Zheng¹, SUN Wanfu¹, YUAN Jiwu¹, YANG Shuai¹

1 SINOPEC Research Institute of Safety Engineering, State Key Laboratory of Safety and Control for Chemicals, Qingdao 266071, Shandong, China,;
2 College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, Shandong, China

Received:2017-07-31 Revised:2017-10-13 Online:2018-03-05 Published:2018-03-05

摘要/Abstract

摘要： 为了优化自吸式文丘里洗涤器引射特性、改善气液分散效果，本文采用空气-水为工作介质，通过改变操作气速、液面高度及引入导流挡板等方式研究自吸式文丘里洗涤器引射特性变化规律。实验结果表明，自吸式文丘里洗涤器引射量、分散特征主要取决于喉部气相静压差、液面提升高度等操作因素以及导流挡板等文丘里管结构因素。喉部气相静压需大于洗消液液面提升所需压力才能实现对液相的引射功能，不引射流体时，喉部负压接近纯气相流动，一旦开始引射流体，喉管处有效吸液压差明显降低，引射量大小与文丘里环隙通道液体两侧静压差线性相关。增加导流挡板后文丘里出口处气液分散效果增强，平均雾滴粒径降低，相同能耗下引射量降低，约为无挡板时的15%。

关键词: 自吸式文丘里, 引射特征, 液相分散, 导流挡板

Abstract: The present investigation was focused on the injection behavior and liquid jet atomization of self-priming Venturi scrubber. The influence of liquid flow rate and jet atomization variation with average gas velocity,liquid filling levels were experimentally evaluated for different baffle configurations. Injection flow rate of self-priming Venturi depended mainly on operation factors of static pressure differential,height difference and structure factor. In order to injecting liquid,static pressure at throat should be higher than static pressure of liquid height difference. The static pressure differential at throat was close to the pure gas phase flow in case of none liquid injection,on the contrary reduced significantly. The injection flow rate was linearly related to the static pressure differential on both sides of suction annular port. In general,baffle in the scrubber favored the jet atomization process by reducing the size of the droplets and inhibited the injection behavior by the decrease of the injection flow rate,about 15% of unbaffled scrubber,with the constant energy consumption.

Key words: self-priming Venturi, injection flow rate, liquid atomization, baffle

中图分类号:

TL334

赵祥迪, 徐银谋, 王正, 孙万付, 袁纪武, 杨帅. 自吸式文丘里洗涤器引射特性实验研究[J]. 化工进展, 2018, 37(03): 920-927.

ZHAO Xiangdi, XU Yinmou, WANG Zheng, SUN Wanfu, YUAN Jiwu, YANG Shuai. Experimental investigation on the injection performance in Venturi scrubber working in self-priming mode[J]. Chemical Industry and Engineering Progress, 2018, 37(03): 920-927.

参考文献

[1] 张宇,杨林军,张霞,等.文丘里洗涤器脱除燃烧源PM_2.5的实验研究[J]. 动力工程学报,2008,28(2):297-301. ZHANG Yu,YANG Linjun,ZHANG Xia,et al. Removal of combustion originated PM_2.5 with Venturi scrubbers[J].Journal of Power Engineering,2008,28(2):297-301.
[2] 常加富.文丘里洗涤器净化生物质燃气焦油特性的研究[D].济南:山东大学,2013. CHANG Jiafu. Research on the characteristics of Venturi scrubber purifying biomass gas[D].Jinan:Shandong University,2013.
[3] 赵祥迪,徐银谋,王正,等. 基于ASPEN的酸性水泄漏应急处置装置设计与优化[J]. 安全与环境工程,2017,24(4):139-143. ZHAO Xiangdi,XU Yinmou,WANG Zheng,et al.Design and optimization of emergency disposal device for acid water leakage based on ASPEN[J].Safety and Environmental Engineering,2017,24(4):139-143.
[4] LEHNER M. Aerosol separation efficiency of a Venturi scrubber working in self-priming mode[J]. Aerosol Science & Technology,1998,28(5):389-402.
[5] ZHOU Y,SUN Z,GU H,et al.Performance of iodide vapour absorption in the Venturi scrubber working in self-priming mode[J].Annals of Nuclear Energy,2016,87:426-434.
[6] ALI M,YAN C,SUN Z,et al.CFD simulation of dust particle removal efficiency of a Venturi scrubber in CFX[J].Nuclear Engineering & Design,2013,256:169-177.
[7] MOHARANA A,GOEL P,NAYAK A K. Performance estimation of a Venturi scrubber and its application to self-priming operation in decontaminating aerosol particulates[J].Nuclear Engineering & Design,2017,320:165-182.
[8] GULHANE N P,LANDGE A D,SHUKLA D S,et al.Experimental study of iodine removal efficiency in self-priming Venturi scrubber[J]. Annals of Nuclear Energy,2015,78:152-159.
[9] 周艳民,孙中宁,谷海峰,等.自吸式文丘里洗涤器引射特性及其影响因素[J].化工学报,2015,66(1):99-104. ZHOU Yanmin,SUN Zhongning,GU Haifeng,et al. Injection performance and influencing factors in self-priming Venturi scrubber[J].CIESC Journal,2015,66(1):99-104.
[10] 周艳民,孙中宁,谷海峰,等.自吸式文丘里水洗器引射特性研究[J]. 原子能科学技术,2015(6):1075-1079. ZHOU Yanmin,SUN Zhongning,GU Haifeng,et al. Research on injection characteristics of Venturi scrubber worked in self-priming mode[J].Atomic Energy Science and Technology,2015(6):1075-1079.
[11] GUERRA V G,GONCALVES J A,COURY J R. Experimental investigation on the effect of liquid injection by multiple orifices in the formation of droplets in a Venturi scrubber[J].Journal of Hazardous Materials,2009,161(1):351-359.
[12] 周亨达.工程流体力学[M].北京:冶金工业出版社,2001. ZHOU Hengda. Engineering fluid mechanics[M]. Beijing:Metallurgical Industry Press,2001.
[13] 刘相臣,王军义.旋涡气泵的性能测试及分析[J]. 化工装备技术,1991(5):13-17. LIU Xiangchen,WANG Junyi. Performance test and analysis of whirlpool gas pump[J].Chemical Equipment Technology,1991(5):13-17.

自吸式文丘里洗涤器引射特性实验研究

Experimental investigation on the injection performance in Venturi scrubber working in self-priming mode

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 0

编辑推荐

Metrics

本文评价