With the continuous development of energy storage technology, energy storage systems are more and more widely used in the energy field. However, there are certain safety hazards in the operation of the energy storage system, such as battery thermal runaway, electrical failure and other problems, so fire protection design plays an important role in the safety of the energy storage system. Fudge TechnologyThe ideas and methods of fire protection design of energy storage systems will be introduced, including pack-level, cluster-level and cabin-level fire protection design.
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1. Pack-level fire protection design
The pack-level fire protection design is mainly aimed at fire safety at the battery module level. At this level, the focus of fire protection design is on controlling and extinguishing battery thermal runaway. Here are a few aspects of pack-level fire protection design:
1.Battery selection and safety design.
In pack-level fire protection design, the first step is to select a suitable battery type and design it safely. For example, batteries with high safety should be selected, such as lithium iron phosphate batteries in lithium-ion batteries. In addition, the installation location of the battery, heat dissipation design, etc., should also be considered to ensure the safety of the battery during operation.
2.Fire isolation and fire extinguishing medium selection.
In pack-level fire protection design, fire isolation of battery modules should be considered to prevent the spread of fire. In addition, a suitable fire extinguishing medium, such as a dry powder fire extinguisher, should be selected to extinguish the fire source in time when the battery is thermally out of control.
3.Early warning system and monitoring platform.
In order to detect abnormal conditions such as battery thermal runaway in time, an early warning system and monitoring platform should be considered in the pack-level fire protection design. These systems can monitor the temperature, voltage and other parameters of the battery in real time, and send out alarms and trigger fire extinguishing devices in time in abnormal situations.
2. Cluster-level fire protection design
The cluster-level fire protection design is mainly aimed at fire safety at the battery module level. At this level, the focus of fire protection design is to prevent the spread of fire between battery modules, while also considering extinguishing the entire battery cluster. Here are a few aspects of cluster-level fire protection design:
1.Fire isolation and fire extinguishing medium selection.
In the design of cluster-level fire protection, fire isolation of battery modules should be considered to prevent the spread of fire. In addition, a suitable fire extinguishing medium, such as a perfluorohexanone gas fire extinguisher, should be selected to extinguish the fire source in time when the battery is thermally out of control.
2.Early warning system and monitoring platform.
In order to detect abnormal conditions such as battery thermal runaway in time, early warning systems and monitoring platforms should also be considered in the design of cluster-level fire protection. These systems can monitor the temperature, voltage and other parameters of the battery in real time, and send out alarms and trigger fire extinguishing devices in time in abnormal situations.
3. Cabin-level fire protection design
The cabin-level fire protection design is mainly aimed at the fire safety of the entire energy storage cabin level. At this level, the focus of fire protection design is to prevent the fire from spreading throughout the chamber, while also considering extinguishing the entire chamber. Here are a few aspects of cabin-level fire protection design:
1.Fire isolation and fire extinguishing medium selection.
In the design of cabin-level fire protection, fire isolation of the entire energy storage compartment should be considered to prevent the spread of fire. In addition, a suitable fire extinguishing medium, such as a gas fire extinguisher, should be selected to extinguish the fire source in time when the battery is thermally out of control. At the same time, the design of smoke exhaust and ventilation in the cabin should be considered, so that smoke and toxic gases can be removed in time in the event of a fire.
2.Early warning system and monitoring platform.
In order to detect abnormal conditions such as battery thermal runaway in time, early warning systems and monitoring platforms should also be considered in the cabin-level fire protection design. These systems can monitor parameters such as temperature and smoke concentration in the energy storage chamber in real time, and send out alarms and trigger fire extinguishing devices in time in case of abnormal conditions. At the same time, it is necessary to consider setting up emergency escape routes and indication signs to evacuate people in time in the event of a fire.
Fourth, summary
Fuge Technology introduced the ideas and methods of fire protection design of energy storage systems, including pack-level, cluster-level and cabin-level fire protection design. At each level, aspects such as battery selection and safety design, fire isolation and fire extinguishing media selection, early warning system and monitoring platform should be considered. Reasonable fire protection design can effectively reduce the potential safety hazards in the operation of the energy storage system and ensure energy security and sustainable development.