手提式灭火器,以使用轻便和扑救初起火灾最为有效的特点,受到欢迎,被广泛采用。充分发挥这种灭火器的灭火效能,不仅取决于对灭火器的正确使用和经常性的维护保养,更重要的是对灭火器的设计必须符合安全标准。目前,我们常见的泡沫、酸碱、二氧化碳、四氯化碳、1211等种类的灭火器,都属受压容器,而且灭火药剂多是腐蚀介质,这 Portable fire extinguishers, the use of light and fire fighting the most effective initial features, are welcome, is widely used. Taking full advantage of the fire extinguishing effectiveness of such fire extinguishers depends not only on the proper use and regular maintenance of fire extinguishers, but more importantly, the design of fire extinguishers must comply with safety standards. At present, our common foam, acid and alkali, carbon dioxide, carbon tetrachloride, 1211 and other types of fire extinguishers, are pressure vessels, and fire extinguishing agents are mostly corrosive media, which