论文部分内容阅读
手提式干粉灭火器由于灭火效率高、应用范围广、无毒、无腐蚀性等优点，成为手提式灭火器的主流产品。在手提式干粉灭火器中，BC型干粉灭火器更是因其研制和生产较早，BC干粉来源广、成本低，灭火迅速及具有5万伏以上的电绝缘性能等优点，被广泛用于石油及其制品、可燃液体、可
Portable dry powder fire extinguisher due to high fire efficiency, wide range of applications, non-toxic, non-corrosive, etc., become the mainstream of portable fire extinguishers products. Among the portable dry powder fire extinguishers, the BC dry powder fire extinguisher is widely used in the fields of petroleum and petroleum products due to its advantages of early development and production, wide availability of BC dry powder, low cost, rapid fire extinguishing and electrical insulation performance of more than 50,000 volts. Its products, flammable liquid, can