干粉灭火器是灭火器的一种，按照充装干粉灭火剂的种类可以分为：①普通干粉灭火器；②超细干粉灭火器。
Dry powder fire extinguisher is a kind of fire extinguisher. According to the types of filling dry powder fire extinguisher, it can be divided into: (1) ordinary dry powder fire extinguisher; and (2) superfine dry powder fire extinguisher.
干粉灭火器内部装有磷酸铵盐等干粉灭火剂，这种干粉灭火剂具有易流动性、干燥性，由无机盐和粉碎干燥的添加剂组成，可有效扑救初起火灾。
Dry powder extinguisher is equipped with ammonium phosphate and other dry powder extinguishers. This qinhuangd.37ix.com.cncangzhou.37ix.com.cn xiongan.37ix.com.cnshijiazh.37ix.com.cnbaoding.37ix.com.cnzhengding.37ix.com.cndry powder extinguisher is easy to fluidity and dryness. It is composed of inorganic salts and crushing and drying additives. It can effectively extinguish the initial fire.