七氟丙烷的特点具有良好的清洁性（在大气中完全汽化不留残渣），良好的气相电绝缘性及良好的适用于灭火系统使用的物理性能。

Heptafluoropropane is characterized by good cleanliness (completely vaporized in the atmosphere without residue), good gas-phase electrical insulation and good physical performance suitable for fire extinguishing system.

七氟丙烷在常温下气态，无色无味、不导电、无腐蚀，无限制，大气存留期较短。灭火机理主要是中断燃烧链，灭火速度极快，这对抢救性保护精密电子设备及贵重物品是有利的。像图书馆、档案馆、贵重物品库、电站（变压器室）、电讯中心、洁净厂房、计算机房、通讯机房、配电房、自备发电机房博物馆及票据、文物资料库等场所，等部位的消防保护应用。

Heptafluoropropane is gaseous at room temperature, colorless, odorless, non-conductive, non corrosive, without environmental restrictions, and has a short atmospheric retention period. The fire extinguishing mechanism is mainly to interrupt the combustion chain. The fire extinguishing speed is very fast, which is beneficial to the rescue protection of precision electronic equipment and valuables. The application of fire protection in key areas such as libraries, archives, valuables warehouses, power stations (transformer rooms), telecommunication centers, clean workshops, computer rooms, communication rooms, power distribution rooms, self provided generator rooms, museums, bills, cultural relics databases, etc.

那么七氟丙烷灭火装置分为有管网七氟丙烷灭火装置和无管网七氟丙烷灭火装置（柜式七氟丙烷灭火装置、悬挂式七氟丙烷灭火装置）两种。七氟丙烷安装调试时，管网式七氟丙烷灭火系统和柜式七氟丙烷灭火装置是有很大不同的，有管网系统又分为内贮压系统和外贮压系统，其主要区别为灭火药剂的传送距离不同。内贮压系统的传送距离一般不超过30米，外贮压系统的传送距离可达150米。

Heptafluoropropane fire extinguishing devices are divided into heptafluoropropane fire extinguishing devices with pipe network and heptafluoropropane fire extinguishing devices without pipe network (cabinet heptafluoropropane fire extinguishing device and hanging heptafluoropropane fire extinguishing device). During the installation and commissioning of heptafluoropropane, the pipe network heptafluoropropane fire extinguishing system is very different from the cabinet heptafluoropropane fire extinguishing device. The pipe network system is divided into internal pressure storage system and external pressure storage system. The main difference is that the transmission distance of fire extinguishing agent is different. The transmission distance of the internal pressure storage system is generally not more than 30 meters, and the transmission distance of the external pressure storage system can reach 150 meters.

1、调试前应按设计要求查验设备的规格、型号、数量、备品备件等；

1. Before commissioning, the specification, model, quantity and spare parts of the equipment shall be checked according to the design requirements;

2、火灾报警系统调试，应先分别对探测器、集中报警控制器、火灾报警装置和联动控制设备等逐个进行单机通电检查，各单机设备正常后，方可进行系统调试。

2. For the commissioning of fire alarm system, the detector, centralized alarm controller, fire alarm device and linkage control equipment shall be powered on and checked one by one. The system commissioning can be carried out only after each single equipment is normal.

3、火灾报警系统调试合格后，可进体灭火系统的调试，应对每个防护区进行模拟喷气试验和备用灭火剂贮存容器切换操作试验。

3. After the fire alarm system passes the commissioning, the gas fire extinguishing system can be commissioned. Each protection area shall be subject to simulated air jet test and standby extinguishing agent storage container switching operation test.

4、川消认为在进行调试试验时，应采取可靠的措施，确保人员和避免灭火剂的误喷射。

4. Chuanxiao believes that reliable safety measures should be taken during commissioning test to ensure personnel safety and avoid accidental injection of extinguishing agent.

5、模拟喷气试验的结果，应符合规定：试验气体能喷入被试防护区内，且应能从被试防护区的每个喷嘴喷出；有关控制阀门工作正常；有关声、光报警信号正确；贮瓶间内的设备和对应防护区内的灭火剂输出管道无明显晃动和机械性损坏。

5. The results of the simulated air jet test shall comply with the regulations: the test gas can be injected into the tested protection area and can be ejected from each nozzle of the tested protection area; Relevant control valves work normally; Relevant sound and light alarm signals are correct; The equipment in the bottle storage room and the fire extinguishing agent output pipeline in the corresponding protection area shall be free from obvious shaking and mechanical damage.

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