消防举动办法与器材(二)(国外英文资料).docVIP

消防设施与器材(二)(国外英文资料) Type of fire extinguisher and its use range The fire extinguisher is made of a tube and head; The part of the nozzle is composed of the nozzle, which can be ejected by the driver pressure to achieve the fire extinguishing purpose. The fire extinguisher is easy to operate because of its simple structure. Light and flexible, with a wide range of surface, is the important fire protection equipment that saves the fire from the beginning. There are many types of fire extinguishers, which are made in a portable, stroller and suspension type. According to the power source of the driver extinguishing agent, it can be divided into the gas storage bottle, the reservoir pressure type and the chemical equation. The agent can be divided into water, foam, acid base, carbon dioxide, halogen, dry powder, 7150 etc. (1) water extinguisher. The water extinguisher is filled with clean water and added the right amount of additives. To use the gas in the carbon dioxide cylinder to power the gas in the cylinder, the extinguishing agent is injected into the fire to achieve the fire extinguishing. It consists mainly of cylinder, tube cover, injection system and carbon dioxide storage cylinders. Water extinguisher can be used to save combustible solid matter fire, or A fire. (2) foam extinguishers. Foam extinguisher including both chemical foam fire extinguisher and air foam fire extinguisher, respectively through the tube in acidic solution and alkaline solution blend to produce chemical reaction or with the aid of gas pressure, spraying a foam cover in the air on the surface, isolate air smothering. Foam extinguisher on lipid, petroleum products, such as class B and class A material such as wood fire fires at the beginning of class B water-soluble fire but not fighting, also cant save electric equipment and class C and D class A fire. Chemical foam fire extinguisher with filling in acidic and alkaline aqueous solution of two kinds of chemical agents, when used, two kind