Page 160 - 《中国电力》2026年第3期

第 59 卷 第 3 期 Vol. 59, No. 3
2026 年 3 月 ELECTRIC POWER Mar. 2026

引用格式：程伟, 张英民, 牛超, 等. 新型冲击水浴与喷雾弦栅复合式水浴除尘器性能分析[J]. 中国电力, 2026, 59(3): 156−164.
Citation: CHENG Wei, ZHANG Yingmin, NIU Chao, et al. Performance analysis of a novel combined water bath dust collector with impingement
water bath and spray string grid[J]. Electric Power, 2026, 59(3): 156−164.

新型冲击水浴与喷雾弦栅复合式水浴除尘器性能分析

程伟 ，张英民 ，牛超 ，叶再贤 ，郑永刚 ，方立军 4
1
2
1
1
3
(1. 天津国能津能热电有限公司，天津 300304；2. 宁波象山光明输送机有限公司，浙江 宁波 315731；3. 北京中
电尚明机电技术有限公司，北京 100080；4. 华北电力大学（保定） 动力工程系，河北 保定 071003)
Performance analysis of a novel combined water bath dust collector with
impingement water bath and spray string grid

1
2
1
3
1
CHENG Wei , ZHANG Yingmin , NIU Chao , YE Zaixian , ZHENG Yonggang , FANG Lijun 4
(1. Tianjin Guoneng Jinneng Thermal Power Co., Ltd., Tianjin 300304, China; 2. Ningbo Xiangshan Guangming Conveyor Co., Ltd.,
Ningbo 315731, China; 3. Beijing Zhongdian Shangming Electromechanical Technology Co., Ltd., Beijing 100080, China; 4. Department of
Power Engineering, North China Electric Power University (Baoding), Baoding 071003, China)

Abstract: Coal-fired power plants' coal handling systems grids, and the high and low wind speed areas of the airflow are
generate substantial dust during operation. Improper alternately distributed, forming a negative pressure zone. With
purification treatment will cause severe environmental the increase of wind speed, the negative pressure range expands
pollution. On the basis of research on water bath dust removal accordingly, which is conducive to the formation of a water
technology and spray string grid dust removal technology, this film on the string grids but also causes an increase in dust
paper proposes a novel combined water bath dust collector removal resistance at the same time. The combined design
integrating impingement water bath and spray string grid. The proposed in this paper integrates multiple purification
factors influencing the dust removal efficiency are analyzed by mechanisms such as impingement water bath and spray string
conducting numerical simulations on each dust removal stage. grid, and features high efficiency, low energy consumption and
The results indicate that for the cross-section of the easy maintenance. It is particularly suitable for the dust
impingement water bath section, the higher the wind speeds and environment with high-concentration and multi-particle size in
the deeper the initial immersion water depth of the air duct, the the coal handling system, solving the problem of low removal
more intense the liquid fluctuation, correspondingly increasing efficiency of micron-sized dust by traditional mechanical dust
dust removal resistance. In terms of spraying, the particle size collectors, and providing a modular solution for dust removal in
of the ejected liquid droplets decreases with the increase of coal handling system.
atomization pressure; however, an excessively high pressure This work is supported by Beijing Natural Science Foundation
leads to droplet agglomeration and an increase in particle size, General Project (Research on the Regulation Method of Pore
resulting in a decline in dust removal efficiency. For the string Structure Based on the Coupling Mechanism and Synergy
grid, a local double-row string grid model is established to Principle of Structure-Transfer-Response, No.3252031), Project
simulate the velocity and pressure field. The resistance loss is of Guoneng Group Tianjin Company (Research and
concentrated in the front and rear areas of the double-row string Application of Intelligent Control Technology for Multi-
收稿日期：2025−07−16； 修回日期：2026−01−26。 Dimensional Coupling of Coal Transportation Dust Suppression
and Coal Slime Water Treatment in Jinneng Thermal Power,
基金项目：北京市自然科学基金面上资助项目（基于结构-
No.E313500019).
传递-反应耦合机理与协同原理的孔隙结构调控方法研究，
Keywords: wet de-dusting; impingement water bath; spray
3252031）；国能集团天津公司项目（津能热电多维度耦合
string grid; numerical simulation; coal handling system
的输煤抑尘与煤泥水处理智能控制技术研究与应用，
E313500019）。 摘 要：燃煤电厂输煤系统工作过程中容易产生大量的

156