portable foam fire extinguisher  

Portable foam fire extinguisher is an emergency fire extinguishing equipment suitable for various fire scenarios. It usually consists of a pressure tank filled with fire extinguishing agent and a nozzle that can quickly spray foam to extinguish the fire. The working principle of portable foam fire extinguishers is to spray out the fire extinguishing agent through compressed gas to form a layer of foam covering the fire source. This layer of foam can effectively isolate the fire source from contact with the air, block the oxygen supply to the flame, and also reduce the temperature of the fire source to achieve the effect of extinguishing the fire. Foam fire extinguishers are suitable for all types of fires, including flammable liquid, solid and gas fires. It has the advantages of rapid fire extinguishing, good fire extinguishing effect, and easy use. In addition, the foam of foam fire extinguishers also has a certain degree of adhesion and can adhere to the surface of objects to prevent…