|本期目录/Table of Contents|

[1]莫金明,王鹏飞.基于响应面法的煤矿井下空气雾化喷嘴结构优化与应用[J].中国安全生产科学技术,2025,21(11):176-183.[doi:10.11731/j.issn.1673-193x.2025.11.021]
　MO Jinming,WANG Pengfei.Structural optimization and application of air atomizing nozzle in underground coal mine based on response surface methodology[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2025,21(11):176-183.[doi:10.11731/j.issn.1673-193x.2025.11.021]
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基于响应面法的煤矿井下空气雾化喷嘴结构优化与应用
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
21
期数:
2025年11期
页码:
176-183
栏目:
职业安全卫生管理与技术
出版日期:
2025-11-30

文章信息/Info

Title:
Structural optimization and application of air atomizing nozzle in underground coal mine based on response surface methodology
文章编号:
1673-193X(2025)-11-0176-08
作者:
莫金明; 王鹏飞
（1.中煤科工集团重庆研究院有限公司，重庆 400037；
2.湖南科技大学 资源环境与安全工程学院，湖南 湘潭 411201）
Author(s):
MO Jinming;  WANG Pengfei
(1.CCTEG Chongqing Research Institute,Chongqing 400037,China;
2.School of Resource,Environment and Safety Engineering,Hunan University of Science and Technology,Xiangtan Hunan 411201,China)
关键词:
响应面法; 空气雾化喷嘴; 喷嘴结构; 雾化性能; 降尘效率
Keywords:
response surface methodology;  air atomizing nozzle;  nozzle structure;  atomization performance;  dust reduction efficiency
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2025.11.021
文献标志码:
A
摘要:
为了掌握空气雾化喷嘴结构对其雾化性能的影响规律，借助自行搭建的喷嘴雾化效果测试实验平台对空气雾化喷嘴气道直径、水道直径、空气帽直径对其喷雾射程、雾化粒径（D43）进行测试分析，基于测试结果采用Box-Behnken实验设计方法构建二阶响应面模型，量化各结构参数对空气雾化喷嘴射程、雾化粒径（D43）的显著性影响，并提出优化喷嘴结构设计。研究结果表明：喷嘴气道直径和水道直径一定时，空气帽直径与射程成正比，与雾化效果成反比；在喷嘴空气帽直径一定时，适当增加喷嘴气道和水道直径，喷雾雾化特性参数明显下降，喷雾雾化效果明显改善；2个回归模型中P值均<0.05，模型显著。其中，对于喷雾射程，影响程度依次为气道直径>水道直径>空气帽直径；对于雾滴粒径，影响程度依次为空气帽直径>气道直径>水道直径。在对喷嘴的结构参数进行响应面法优化后，得到最佳参数为气道直径为4 mm，水道直径为3.4 mm，空气道直径为4 mm，在此优化条件下喷雾射程实际值为7.5 m，雾滴粒径D43的实际值为280 μm。通过现场应用发现，优化的喷嘴降尘效率平均提高6.25%左右。研究结果可为优化空气雾化喷嘴结构，提高其降尘效率提供参考。
Abstract:
In order to understand how the structure of the air atomizing nozzle influences its atomization performance,a self-built experimental platform for testing nozzle atomization performance was used to test and analyze the effects of air channel diameter,water channel diameter,and air cap diameter of the air atomizing nozzle on its spray range and atomized particle size (D43).Based on the test results,the Box-Behnken experimental design method was adopted to construct a second-order response surface model,quantify the significant effects of each structural parameter on the spray range and atomized particle size (D43) of the air atomizing nozzle,and subsequently propose an optimized nozzle structure design.The results indicate that when the air channel diameter and water channel diameter of the nozzle are fixed,the air cap diameter is directly proportional to the spray range and inversely proportional to the atomization performance.When the air cap diameter of the nozzle is fixed,appropriately increasing the air channel diameter and water channel diameter of the nozzle leads to a significant reduction in the characteristic parameters of spray atomization and a marked improvement in the spray atomization performance.In both regression models,the P-values < 0.05 confirm that the models are statistically significant.Among them,for the spray range,the order of influence degree is air channel diameter > water channel diameter > air cap diameter.For the droplet size,the order of influence degree is air cap diameter > air channel diameter > water channel diameter.After optimizing the structural parameters of the nozzle using the response surface method,the optimal parameters were determined as follows: air channel diameter of 4 mm,water channel diameter of 3.4 mm,and air cap diameter of 4 mm.Under these optimized conditions,the measured spray range is 7.5 m,and the measured value of droplet size D43 is 280 μm.Field application demonstrated that the dust reduction efficiency of the optimized nozzle increased by an average of approximately 6.25%.The findings provide a reference for optimizing the structure of air atomizing nozzles and improving their dust reduction efficiency.

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备注/Memo

备注/Memo:
收稿日期： 2025-08-04
作者简介： 莫金明，硕士，助理研究员，主要研究方向为煤矿粉尘防治技术及装备。
更新日期/Last Update: 2025-12-03