Innovative Solution for the Kaili Shield Forest Fire Suppression Wetting Unit


[Innovation Background]

Following forest fire suppression, residual combustible materials on the ground are highly susceptible to reignition under conditions of high temperature and low humidity. Such reignition not only re‑ignites the fire but also demands substantial human resources, equipment, and time for a second firefighting effort. To effectively prevent reignition and contain the spread of flames, Kaili Dun has introduced an innovative solution: deploying wetting units along the fire’s path. These units maintain sustained surface moisture and lower surface temperatures, thereby reducing the risk of reignition and providing firefighters with additional response time.

[Performance Overview]

1. Trunk Line Design:

The core of the humidification unit is to utilize the water‑hose main line laid during firefighting as the primary pipeline. This main line is typically constructed from high‑pressure‑ and abrasion‑resistant materials, capable of withstanding prolonged water‑flow impact. Spray nozzles are added at the hose connections to facilitate quick attachment and detachment of sprinkler devices, thereby enhancing the system’s flexibility and adaptability.

2. Sprinkler system:

The sprinkler system is installed using 4‑mm flexible hoses, offering lightweight construction and easy mobility, allowing for flexible adjustment of the wetting position to suit the specific conditions at the fire scene. The sprinkler heads are designed with a 360‑degree rotating spray pattern, ensuring uniform mist coverage of the target area. By adjusting water pressure and spray angle, it is possible to control water volume while achieving broad‑area wetting, thereby maximizing water‑resource efficiency.

Satellite real-time monitoring of fire conditions

[Application Results]

1. Preventing the spread of fire:     

The humidification unit can create a moist barrier along the fire’s path, effectively inhibiting flame spread and buying valuable time for firefighting operations.

2. Prevent re-ignition:

By continuously maintaining surface moisture, the wetting unit significantly reduces the risk of reignition and lowers the costs and resource consumption associated with secondary firefighting efforts.

3. Environmental Protection and Resource Conservation:  

The humidification unit features a highly efficient, water-saving design that minimizes water waste while ensuring optimal humidification performance, thereby meeting environmental protection standards.

[Future Outlook]

The successful development and application of the humidification unit will provide an efficient and flexible technological solution for forest fire prevention and control. In the future, this technology can also be extended to urban firefighting, grassland fire prevention, and other fields, offering new solutions for global fire‑prevention efforts.

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