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呼吸保护器是消防队员、防化部队和有关工种的防护用具。消防队员要在高温、浓烟或有毒气体以及严重缺氧的火灾现场进行消防救援作业,必须佩戴呼吸保护器。而呼吸保护器的性能指标和安全可靠性直接关系到消防队员在火场上侦察火源、抢险救人以及疏散贵重物资等任务的完成,以及消防人员自身的安危。本世纪四十年代末,美国Scott公司开始研制空气呼吸器。五十年代末六十年代初,英、美、
Respiratory protectors are firefighters, anti-chemical warfare units and protective equipment for work-related items. Firefighters in the heat, smoke or toxic gases and fire in a serious hypoxia fire rescue operations, must wear a breathing apparatus. The performance indicators and safety and reliability of respiratory protection directly relates to firefighters in the detection of fire sources, rescue and rescue of valuables and other tasks to complete, as well as the safety of firefighters themselves. The late 1940s, the United States Scott company began to develop air breathing apparatus. The late fifties early sixties, Britain, the United States,