可燃性粉尘环境用高压细水雾自动灭火系统

孟祥豹, 王俊峰, 张延松, 刘博

孟祥豹，王俊峰，张延松，等.可燃性粉尘环境用高压细水雾自动灭火系统［J］.工矿自动化，2019,45（10）：86-90.. DOI: 10.13272/j.issn.1671-251x.2019010059
引用本文: 孟祥豹，王俊峰，张延松，等.可燃性粉尘环境用高压细水雾自动灭火系统［J］.工矿自动化，2019,45（10）：86-90.. DOI: 10.13272/j.issn.1671-251x.2019010059
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MENG Xiangbao, WANG Junfeng, ZHANG Yansong, LIU Bo. High-pressure water mist automatic fire extinguishing system for flammable dust environment[J]. Journal of Mine Automation, 2019, 45(10): 86-90. DOI: 10.13272/j.issn.1671-251x.2019010059
Citation: MENG Xiangbao, WANG Junfeng, ZHANG Yansong, LIU Bo. High-pressure water mist automatic fire extinguishing system for flammable dust environment[J]. Journal of Mine Automation, 2019, 45(10): 86-90. DOI: 10.13272/j.issn.1671-251x.2019010059
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可燃性粉尘环境用高压细水雾自动灭火系统

  • 1.

    山东科技大学 矿业与安全工程学院， 山东 青岛266590

  • 2.

    山东科技大学 矿山灾害预防控制省部共建国家重点实验室培育基地，山东 青岛266590

基金项目: 

“十三五”国家重点研发计划项目（2016YFC0801700,2017YFC0805200）

详细信息

  • 中图分类号: TD753.2

High-pressure water mist automatic fire extinguishing system for flammable dust environment

  • 1.

    College of Mining and Safety Engineering, Shandong University of Science and Technology, Qingdao 266590, China

  • 2.

    State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology,Shandong University of Science and Technology, Qingdao 266590, China

摘要

    摘要
  • 摘要: 针对干粉灭火剂会造成污染、清洗困难、可能造成设备损坏等问题，设计了一种可燃性粉尘环境用高压细水雾自动灭火系统。火焰传感器检测到可燃性粉尘燃烧火焰信号后，高压蓄能系统第一时间产生高压水并迅速形成高压细水雾，然后供水系统快速增压到工作压力，接替高压蓄能系统继续提供高压水并持续生成高压细水雾。测试结果表明，可燃性粉尘环境用高压细水雾自动灭火系统响应速度快，火焰传感器和控制器的平均响应时间分别为4 ms和12 ms；高压细水雾生成速度快，平均生成时间为96 ms，最长生成时间为100 ms；灭火及时有效，在高压细水雾作用于燃烧火焰1 s后，燃烧火焰基本被扑灭，燃烧火焰传播至距中心点火位置0.2 m左右停止了传播扩散，验证了该系统能够有效避免可燃性粉尘燃烧火焰的蔓延，防止可燃性粉尘火灾事故。
    Abstract: In view of problems that dry powder fire extinguishing agent will cause pollution, difficult cleaning and equipment damage, a high-pressure water mist automatic fire extinguishing system for flammable dust environment was designed. High-pressure energy storage system generates high-pressure water immediately and rapidly forms high-pressure water mist after flame sensor detects flame signal of flammable dust combustion, and then water supply system is quickly pressurized to working pressure, replaces high-pressure energy storage system to provide high-pressure water and continue to generate high-pressure water mist. The test results show that the high-pressure water mist automatic fire extinguishing system for flammable dust environment has fast response speed, average response time of flame sensor and controller is 4 ms and 12 ms respectively; high-pressure water mist generation is fast and average generation time is 96 ms, the longest generation time is 100 ms; the fire extinguishing is effective and timely, after the high-pressure water mist acts on combustion flame for 1 s, the combustion flame is basically extinguished, and the propagation and diffusion of combustion flame stops when propagates to about 0.2 m from the center ignition position. It is verified that the system can effectively avoid spread of flammable dust combustion flame and prevent flammable dust fire accidents.
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  • 刊出日期:  2019-10-19

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