Аэрозольные системы: Страж безопасности систем промышленного электроснабжения

Основное описание

With the rapid development of industrial production, Система электроснабжения играет все большую роль в промышленном производстве, so the fire safety prevention work of this system is becoming more and more prominent.
>Вся система электропитания состоит из кабелей для соединения частей в единое целое., So when a fire breaks out in one part of the system, The fire can quickly spread to other sites along transmission cables and cause huge economic losses finally.

К тому же, most of the insulation materials of the electric cable are organic polymer materials, when burning can produce a large amount of toxic smoke, Endangering people’s lives at the site.

So It is particularly important to do a good job in fire safety of the industrial power supply system, in case of fire, we can quickly and effectively put out the fire, It is of great significance for the protection of personal and property safety, Aerosol extinguishing systems are products that can quickly and effectively extinguish Class B fires and electrical fires.

Features and Characteristics of Aerosol Systems

Aerosol extinguisher is a kind of product different from other kinds of gas fire extinguishing devices, it has many features that many other products do not have: easy to operate and install, does not require a complex piping network system to work, экономически эффективный, long life span, simple to transport, non-toxicity, non-corrosion, lightweight and compact, высокая эффективность в тушении пожаров, самое главное, it can be designed as per actual space dimensions, so Very suitable for use in various complex places of industrial power supply system.

So what are the fire characteristics of industrial power supply system, we conclude with the following three key points:

1. Fires spread rapidly.
   >Industrial power supply systems are used to distribute and transmit high-power electric energy, and the power cables are mostly oil-impregnated paper insulation, rubber insulation, and plastic insulation, These materials and the insulating oil of the cables are combustibles, once on fire, The fire will spread quickly to various places along the cable.
2. Large smoke, high toxicity.
   >The fire combustibles of industrial power supply systems are generally cable insulation layer, insulating oil, power generation oil, and other combustibles, All of these substances are subject to incomplete combustion, Produce a lot of black smoke, And can decompose a variety of toxic substances such as CO, aromatic compounds, alkane, и т.д.
3. Firefighting is difficult.
   >When a fire occurs in a place of industrial power supply system, it will be very difficult to extinguish the fire, Such as cable tunnels, кабельные траншеи, cable inter-layers, кабельные валы, и т.д. Due to the small space and dense arrangement of brackets, it was difficult for firefighters to get close to the source of the fire, which delayed the extinguishing work.

Analysis of Fire Causes in Industrial Power Supply Systems and Application of aerosol extinguishing systems

1. Applications in cable tunnels, кабельные траншеи, cable inter-layers, кабельные валы.

Кабельные туннели, кабельные траншеи, cable inter-layers, and cable shafts are all places where cables are laid, Однако, the insulation layer of the cable may be destroyed or the insulation strength may be reduced during the period of the cable laying or long-term use, resulting in a short circuit, An electric arc is created which causes combustion; And when laying oil-filled cables, Increase the drop not following requirement, cause the phenomenon of oil leakage, there is also a risk of fire; other factors also will cause the fire: long-term overload use, poor joint contact, the outside fire jumped in and so on.

The internal environment of cable tunnels, cable interlayers, and cable shafts is generally narrow, low, long in length, and high in height, with dense internal scaffolds, fewer exports, and a complex environment. Such sites make it difficult for many piping network fire extinguishing systems to function, but aerosol fire extinguishing devices are especially suitable for this complex place. принимать China Baowu Steel Group Corporation Limited as an example, its cable tunnels of 2 power supply plants, cable tunnels of 3 steel-making plants, 4 cable trenches of cold rolling mills all have been used our wall-mounted aerosol fire extinguishing devices and Minisol aerosol generators, with a total quantity of 202 sets, these cable trenches with length over several hundreds of meters and height over 2 метры, width over 2 метры, the cable is laid on the side wall.

According to site conditions, the fire extinguishing system is installed on the top of the cable trench, in cable inter-layers, we also installed 20 sets of minisol aerosol devices.

All the above projects have passed the acceptance of the fire supervision department, operating normally.

2. Application in power distribution rooms, диспетчерские, and electromagnetic stations.

Диспетчерские, распределительные помещения, electromagnetic stations and other fields are areas where equipment is concentrated. The main cause of fires in these areas is caused by various switches, кабели, и т.д. К тому же, there are other combustible materials in the room that can also cause fires.

Since electrical equipment is generally not allowed to use water systems, only can use gaseous fire suppression systems like FM200, IG541, and Carbon Dioxide, Particularly, aerosol suppression system also belongs to the gaseous fire suppression system, so also can apply in these places.

3. Application in transformer room.

Fire in the transformer room is generally due to some of the following circumstances:

• Aging of the coil insulation inside the transformer.
• Poor oil quality.
  Poor contact.
• power overload.
• short circuit.
• poor grounding etc.

All of the above situations may make the internal combustible materials of the transformer to be decomposed by high temperature, and then cause a fire.

Transformers generally require good heat dissipation and therefore transformer rooms are not usually completely sealed.

Аэрозольные огнетушители, as products that can be used for localised fire extinguishing, are suitable for such transformer rooms.

4. Application in diesel generator room.

Internal component failure or external fire spread will cause diesel generator fire. Such fires are typical category B fires caused by diesel combustion.

В настоящий момент, many industrial and mining enterprises have standby diesel generator rooms, and many generator rooms are located in the basement or semi-basement closed space.

In such a space, an aerosol fire extinguishing device can suppress the typical Class B fire.

5. Application in electrical cabinet and control panel cabinet.

Short circuits and system failures can cause electrical cabinets and control panels to catch fire.

Electrical cabinets and control panels are small and closed.

For fires in this situation, we can use minisol aerosol devices between 20 а также 250 граммов.

Matters needing attention during construction and operating

Aerosol products are typically activated by the use of electrically triggered extinguishing agents. The extinguishing agent receives the trigger command and begins to extinguish the fire.

Electric triggers are sensitive to electromagnetic interference.The industrial power supply system transmits and runs all strong electricity. The electromagnetic interference in these occasions is very strong.

Следовательно, when installing aerosol products in these places, the shielding requirements for electric starter wires will be very strict. Installers must work in strict accordance with the relevant norms, otherwise it will cause accidental injection accidents.

Аэрозольные системы: Страж безопасности систем промышленного электроснабжения (Заключение)

Aerosol systems are the safety guardians of industrial power supply systems. especially in the following situations or fields:

• кабельные тоннели.
• кабельные траншеи.
• able jackets.
• кабельные валы.
• электрические шкафы.
• electric control panels.

Its unique advantages are incomparable to other fire extinguishing devices.

Aerosol fire extinguishing system fully meets the requirements of safety, high efficiency and environmental protection. Its application in industrial power supply system will be more and more promising.