干粉灭火系统组件设置以及要求
来源：http://www.cx-fire.com/ 日期：2023-04-26
干粉灭火系统，由干粉供应源通过输送管道连接到固定的喷嘴上，通过喷嘴喷放干粉的灭火系统。下面
川消小编为您讲解下干粉灭火系统组件设置以及要求事项吧。
The powder extinguishing system is a fire extinguishing system that connects a dry powder supply source to a fixed nozzle through a conveying pipeline, and sprays dry powder through the nozzle. Below, the editor of Chuanxiao will explain to you the component settings and safety requirements of the dry powder fire extinguishing system.
干粉灭火系统组件的设置要求
Requirements for setting up components of dry powder fire extinguishing systems
（一）储存装置
（1） Storage device
（1）干粉储存容器应符合现行标准《压力容器技术监察规程》的规定；驱动气体储瓶及其充装系数应符合现行标准《气瓶监察规程》的规定。
(1) Dry powder storage containers should comply with the current national standard "Supervision Regulations on Safety Technology of Pressure Vessels"; The driving gas storage cylinder and its filling coefficient should comply with the current national standard "Gas Cylinder Safety Supervision Regulations".
（2）干粉储存容器设计压力可取1.6MPa或2.5MPa压力级；其干粉灭火剂的装量系数不应大于0.85；其增压时间不应大于30s。
(2) The design pressure of the dry powder storage container can be 1.6 MPa or 2.5 MPa pressure level; The loading coefficient of its dry powder extinguishing agent should not exceed 0.85; The pressurization time should not exceed 30 seconds.
（3）驱动气体应选用惰性气体，宜选用氮气；二氧化碳含水率不应大于0.015%(m/m)，其他气体含水率不得大于0.006%(m/m)；驱动压力不得大于干粉储存容器的高工作压力。
(3) The driving gas should be inert gas, preferably nitrogen; The moisture content of carbon dioxide should not exceed 0.015% (m/m), and the moisture content of other gases should not exceed 0.006% (m/m); The driving pressure shall not exceed the high working pressure of the dry powder storage container.
（4）储存装置的环境温度应为-20~50℃。
(4) The ambient temperature of the storage device should be -20~50 ℃.
（二）选择阀和喷头
（2） Selection valve and nozzle
（1）系统启动时，选择阀应在输出容器阀动作之前打开。
(1) When the system starts, the selector valve should be opened before the output container valve acts.
（2）喷头的单孔直径应大于或等于6mm。
(2) The single hole diameter of the nozzle should be greater than or equal to 6mm.
干粉灭火系统使用要求
Safety requirements for the use of dry powder fire extinguishing systems
1.防护区内及入口处应设火灾声光警报器，防护区入口处应设置干粉灭火剂喷放指示门灯及干粉灭火系统性标志牌。
1. Fire sound and light alarms should be installed inside and at the entrance of the protection zone, and dry powder fire extinguishing agent spraying indicator door lights and permanent signs of the dry powder fire extinguishing system should be installed at the entrance of the protection zone.
2.防护区的走道和出口，必须保证人员能在30s内疏散。
2. The walkways and exits of the protective zone must ensure that personnel can safely evacuate within 30 seconds.
3.防护区的门应向疏散方向开启，并应自行关闭的功能。
3. The door of the protective zone should open in the direction of evacuation and have the function of self closing.
4.防护区入口处应装设自动、手动转换开关。转换开关安装高度宜使中心位置距地面1.5m。
4. Automatic and manual transfer switches should be installed at the entrance of the protection zone. The installation height of the transfer switch should be such that the center position is 1.5m above the ground.
5.地下防护区和无窗或设固定窗扇的地上防护区，应设置独立的机械排风装置，排风口应通向室外。
5. Underground protection areas and above ground protection areas without windows or with fixed window sashes should be equipped with independent mechanical exhaust devices, and the exhaust outlets should lead to the outdoors.
6.局部应用灭火系统，应设置火灾声光警报器。
6. Local fire extinguishing systems should be equipped with sound and light fire alarms.
7.当系统管道设置在有炸危险的场所时，管网等金属件应设防静电接地，防静电接地设计应符合现行有关标准规定。
When the system pipeline is installed in a place with explosion risk, metal parts such as the pipeline network should be equipped with anti-static grounding, and the anti-static grounding design should comply with the current national standards and regulations.
That's all for the component settings and safety requirements of the dry powder fire extinguishing system. If you have any doubts or needs about this, please come to our website http://www.cx-fire.com Understand!
