|本期目录/Table of Contents|

[1]姬军,韩钰,刘晓圣,等.面向电力火灾的镍基高温合金喷头优化研究*[J].中国安全生产科学技术,2026,22(5):141-148.[doi:10.11731/j.issn.1673-193x.2026.05.017]
　Ji Jun,Han Yu,Liu Xiaosheng,et al.Optimization of nickel-based superalloy nozzles for electrical fires[J].Journal of Safety Science and Technology,2026,22(5):141-148.[doi:10.11731/j.issn.1673-193x.2026.05.017]
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面向电力火灾的镍基高温合金喷头优化研究*

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
22
期数:
2026年5期
页码:
141-148
栏目:
火灾与爆炸安全
出版日期:
2026-05-30

文章信息/Info

Title:
Optimization of nickel-based superalloy nozzles for electrical fires
文章编号:
1673-193X(2026)-05-0141-08
作者:
姬军; 韩钰; 刘晓圣; 张佳庆; 张劲光
（1.中国电力科学研究院有限公司，北京 102209；
2.国网安徽省电力有限公司电力科学研究院，安徽 合肥 230601；
3.国网河南省电力公司电力科学研究院，河南 郑州 450052）
Author(s):
Ji Jun;  Han Yu;  Liu Xiaosheng;  Zhang Jiaqing;  Zhang Jinguang
(1.China Electric Power Research Institute,Beijing 102209,China;
2.State Grid Anhui Electric Power Research Institute,Hefei Anhui 230601,China;
3.State Grid Henan Electric Power Research Institute,Zhengzhou Henan 450052,China)
关键词:
水雾喷头; 电力火灾; 镍基高温合金; ANSYS仿真; 多目标优化
Keywords:
water mist nozzle;  electrical fire;  nickel-based superalloy;  ANSYS simulation;  multi-objective optimization
分类号:
X932；TU892
DOI:
10.11731/j.issn.1673-193x.2026.05.017
文献标志码:
A
摘要:
为应对电力火灾中1 100℃高温导致现有水雾喷头材料失效的问题，以DD499、DZ4951、JG4010这3种镍基高温合金为研究对象，基于SolidWorks与ANSYS建立热-力耦合有限元模型，确定1 100℃恒温15 min工况下喷头的热力学响应特征，构建以高温屈服强度、最大热变形量、原材料相对成本及热导率为核心的评价体系，采用熵权法与加权求和模型开展多目标优选研究。研究结果表明：传统不锈钢与铜合金在高温下熔化或失效；3种镍基高温合金喷头在仿真工况下最大热变形量均小于0.88 mm，等效弹性应力低于0.33 MPa，结构完整性良好；经综合计算分析，确定JG4010可在性能与成本间实现最佳平衡，为最优材料。研究结果可为解决极端火灾条件下水雾喷头易熔毁失效的问题提供参考。
Abstract:
In order to address the failure of existing water mist nozzle materials caused by high temperatures of 1 100 ℃ in electrical fires,three nickel-based superalloys (DD499,DZ4951,and JG4010) were investigated.A thermo-mechanical coupled finite element model was established using SolidWorks and ANSYS to determine the thermo-mechanical response characteristics of the nozzles under a constant temperature of 1 100 ℃ for 15 minutes.An evaluation system centering on high-temperature yield strength,maximum thermal deformation,relative raw material cost,and thermal conductivity was constructed.Furthermore,the Entropy Weight Method and the Weighted Sum Model were employed to conduct multi-objective optimization.The results indicate that traditional stainless steel and copper alloys suffered melting or structural failure under high temperatures.In contrast,the three nickel-based alloy nozzles exhibited good structural integrity under simulation conditions,with maximum deformation of less than 0.88 mm and equivalent elastic stress of lower than 0.33 MPa.Through comprehensive calculation and analysis,JG4010 alloy was determined to achieve the best balance between performance and cost,and was identified as the optimal material.This conclusion provides insights into solving the melting failure of water mist nozzles under extreme fire conditions.

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备注/Memo

备注/Memo:
收稿日期： 2026-01-22；修回日期：2026-04-02
* 基金项目： 国家电网公司总部科技项目(5500-202320510A-3-2-ZN)
作者简介： 姬军，博士，高级工程师，主要研究方向为电网热防护材料。
更新日期/Last Update: 2026-06-03