Fire Protection System with Expansion Chamber for Proactive Ignition Prevention
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Solution Overview
Problem
Existing fire protection systems only operate once a building is already on fire, failing to prevent the building from catching fire in the first place, especially in situations like wildfires or adjacent building fires.
Innovation Solution
A fire protection system comprising a fluid supply and a fluid delivery apparatus that disperses a protectant solution, mixing low-pressure fluid with a flame-resistant substance in an expansion chamber to create a spray that can be distributed across a building to prevent ignition, using a resource line and vent line to ensure effective mixing and pressure-driven delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fire suppression systems are installed in buildings, then fire damage can be reduced once a building is on fire, but the building cannot be prevented from catching fire in the first place
Solution Approach 1:
The system applies flame-resistant solution to the building exterior before a fire event occurs, enabling proactive fire prevention rather than reactive suppression. The expandable reservoir stores the flame-resistant material ready for deployment, and the spray mechanism can be activated preemptively when fire danger is detected, creating a protective barrier before ignition can occur.
Solution Approach 2:
The system changes the physical state of the flame-resistant material from a concentrated stored form to a sprayed liquid form during application. The material is stored in a concentrated state in the reservoir, then sprayed as a liquid solution that dries to form a protective coating, effectively changing parameters from storage density to application form to achieve both compact storage and effective coverage.
2Productivity
If high-pressure fluid delivery is used to spray protectant solution, then delivery speed and coverage are improved, but the system becomes more complex and energy-intensive
Solution Approach 1:
The system uses pneumatic pressure from the expandable reservoir to drive the spray mechanism, eliminating the need for complex electric pumps or high-pressure fluid systems. The expanding gas provides sufficient pressure to spray the flame-resistant material effectively through simple nozzles, achieving good delivery speed with minimal mechanical complexity.
Solution Approach 2:
The expandable reservoir serves dual functions: it stores the flame-resistant material and simultaneously provides the pressure needed for spray delivery. As the gas expands, it both propels the spray and mixes the material, eliminating the need for separate pumping and mixing systems, thereby reducing overall device complexity while maintaining productivity.
3Reliability
If flame-resistant material is stored in large quantities for effective coverage, then fire protection effectiveness is improved, but storage space requirements and system size increase
Solution Approach 1:
The system changes the physical state and concentration of the flame-resistant material to optimize storage efficiency. The material is stored in a concentrated form in the expandable reservoir, requiring minimal storage volume, then transformed during spraying into a diluted coating that provides extensive coverage. This parameter change from concentrated storage to diluted application resolves the contradiction between coverage area and storage size.
Solution Approach 2:
The system uses a composite formulation combining flame-resistant chemicals with a carrier fluid that can be stored in a compact expandable reservoir. The composite material maintains stability in concentrated form during storage, then disperses effectively during spraying to provide broad coverage, allowing high reliability with minimal reservoir volume.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Effectively prevents buildings from catching fire by proactively applying a flame-resistant protectant solution, even in low-pressure conditions, thereby enhancing fire safety and reducing the risk of building damage from wildfires or adjacent fires.
Implementation Method 1
a pressure difference between the vent line and the resource line causes the fluid in the vent line to push the flame resistant substance from the reservoir to the expansion chamber via the resource line
Implementation Method 2
mixing low-pressure fluid with a flame-resistant substance in an expansion chamber to create a spray
Implementation Method 3
delivers a protectant solution to a building to prevent the building from catching fire
Data Source
AI summary
A fire protection system that includes a fluid supply and a fluid delivery apparatus. The fluid delivery apparatus receives fluid from the fluid supply and delivers a protectant solution to a building to prevent the building from catching fire. The fluid delivery apparatus includes an expansion chamber having an inlet for receiving fluid from the fluid supply, and an outlet where the protectant solution exits the expansion chamber. The fluid delivery apparatus also includes a resource line in fluid communication with the expansion chamber to provide a flame resistant substance to the expansion chamber from a reservoir. Further, the fluid delivery apparatus includes a vent line in fluid communication with the reservoir and the expansion chamber, a pressure difference between the vent line and the resource line causes the fluid in the vent line to push the flame resistant substance from the reservoir to the expansion chamber via the resource line. A method of installing the fire protection system on a building. The fluid delivery apparatus of the fire protection system can be provided to receive fluid from the fluid supply and positioned adjacent to desirous parts of the building to deliver a protectant solution from the fluid delivery apparatus to the building.