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火灾是载人航天器运行过程中最重大的危险之一,目前载人航天器中各种灭火方式均有其弊端。细水雾灭火具有环境友好、灭火效率高等优点。通过分析对比现有国内外细水雾灭火器,针对空间站的特殊环境要求,研究了一种活塞式手提细水雾灭火器,其具有结构和制造工艺简单,喷射剩余率小,寿命长,可靠性高等特点。
Fire is one of the most serious dangers in the operation of manned spacecraft. At present, all kinds of fire-fighting methods in manned spacecraft have their own drawbacks. Water mist fire extinguishing with environmentally friendly, high fire extinguishing efficiency. By analyzing and comparing the existing water mist fire extinguishers at home and abroad, aiming at the special environmental requirements of the space station, a piston type portable water mist fire extinguisher is studied, which has the advantages of simple structure and manufacturing process, small remaining spray rate, long service life and high reliability Features.