灭火器筒体壁厚、放射时间和残剩率(国外英文资料).docVIP

灭火器筒体壁厚、喷射时间和剩余率(国外英文资料) The wall thickness, spray time and residual rate of fire extinguishers A fire extinguisher is the main tool of the initial fire fighting. It is portable, flexible and easy to operate. High quality fire extinguishers in addition to appearance, the internal quality of fire extinguishers - that is, safety performance and performance is the key. The wall thickness of a fire extinguisher Open fire extinguisher valve, fire extinguishing agent and reaches a certain range, the ejecting requires a fire extinguisher bottle filling with enough pressure drive gas (except the evaporating pressure carbon dioxide itself, the rest of the fire extinguisher is compressed nitrogen). As a result, a fire extinguisher cylinder must be in strict accordance with the requirements of the pressure vessel design, manufacture, test. Before the explosion of the fire extinguisher the attack because of ignoring it. In order to ensure safety, generally is by measuring the wall thickness of the safety performance, barrel values of blasting, blasting the position, shape, and the residual deformation rate of the barrel into the water evaluation parameters. The minimum wall thickness is the most important parameter value of its safety performance. In accordance with the principle of pressure vessel design, fire extinguisher cylinder belongs to the thin wall container, the minimum wall thickness calculation is selected according to the maximum working pressure of 60 ℃, the strength of the material, the diameter of the fire extinguisher, weld quality factors to decide, you also need to consider the long-term use of fire extinguishing agent corrosion capacity of the influence of corrosion on the cylinder to increase the f; Deviation in raw material thickness; The production process creates the thickness of the thickness, and then determines the thickness of the selected material. The spray time of the fire extinguisher Fire extinguishers fire fighting and rescue work was successf