Aerosol Fire Generator Coolant Composition for Heat and Residue Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Condensed aerosol fire suppression generators face issues with high surface temperatures, potential damage from shockwaves, deposition of aerosol particles on sensitive equipment, and respiratory health risks due to fine particles.
Innovation Solution
A fire extinguishing device using a coolant composition comprising Silica (SiO2), Alumina (Al2O3), Iron Oxide (Fe2O3), Titanium Dioxide (TiO2), and Alkali Metal Oxides (K2O or Na2O) to absorb heat and filter harmful residues, reducing temperature and particle impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If condensed aerosol fire suppression generators are used to suppress fires, then fire suppression effectiveness is improved, but generator and aerosol temperatures become excessively high (300°C to 1000°C)
Solution Approach 1:
The patent introduces a coolant composition as an intermediary substance between the pyrotechnic composition and the environment. This coolant composition absorbs excess heat from the generator and aerosol, mediating the thermal interaction and reducing temperatures to safe levels while maintaining fire suppression effectiveness.
Solution Approach 2:
The patent changes the thermal parameters of the system by incorporating a coolant composition that modifies the temperature profile. The coolant composition alters the heat transfer characteristics, reducing the peak temperature and duration of thermal exposure, thereby transforming the thermal parameters from hazardous to safe ranges.
2Reliability
If condensed aerosol fire suppression generators are used, then fire suppression capability is enhanced, but shockwaves may cause damage to equipment
Solution Approach 1:
The patent applies beforehand cushioning by placing a coolant composition in advance within the generator. This coolant composition acts as a cushioning medium that absorbs and dampens the shockwave energy generated during aerosol discharge, protecting surrounding equipment from damage before the shockwave reaches it.
3Reliability
If condensed aerosol fire suppression is used, then fire extinction efficiency is improved, but aerosol particles may deposit on sensitive equipment causing damage
Solution Approach 1:
The patent converts the harmful effect of aerosol particle deposition into a beneficial outcome by using a coolant composition that modifies the aerosol properties. The coolant composition causes the aerosol particles to cool and settle in a controlled manner, transforming the potential harm of deposition into a beneficial cooling effect on the fire while minimizing damage to equipment.
4Productivity
If condensed aerosol fire suppression generators are deployed, then rapid fire suppression is achieved, but respiratory health risks increase due to fine particles
Solution Approach 1:
The patent changes the physical parameters of the aerosol by introducing a coolant composition that reduces particle temperature and modifies particle characteristics. This parameter change makes the aerosol less harmful to respiratory health while maintaining the rapid fire suppression capability, as the cooled particles are less irritating and more easily cleared from the respiratory system.
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
The device effectively suppresses fires while minimizing thermal and mechanical damage to equipment and reducing respiratory risks, allowing safer placement and operation in sensitive environments.
Implementation Method 1
The pyrotechnic compound undergoes rapid combustion, an exothermic process in which the fuel (Dicyandiamide) reacts with the oxidizer (Potassium Nitrate). This reaction produces a significant amount of heat, gaseous byproducts, and solid aerosol particles.
Implementation Method 2
The intense heat generated by the combustion causes the Potassium Nitrate to decompose, releasing potassium ions (K+).
Implementation Method 3
The heat and gas pressure generated by the exothermic reaction force the aerosol particles out of the container through nozzles.
Implementation Method 4
Once dispersed, the fine aerosol particles absorb heat from the flame, reducing the temperature of the combustion zone.
Implementation Method 5
Incorporation of a coolant composition comprising Silicate, Alumina, Iron Oxide-based compound, Titanium Oxide-based compound, and Alkali Metal Oxide to absorb heat from generated aerosols, reducing temperature
Implementation Method 6
The potassium ions in the aerosol act as free radical scavengers, binding with these radicals to form stable molecules, thereby disrupting the chain reaction that keeps the fire going.
Data Source
AI summary
The present invention relates to fire extinguishing devices for suppressing fires, particularly to fire extinguishing devices that generate aerosol from a solid condensed aerosol-forming composition. Furthermore, the present disclosure relates to coolant compositions for absorbing heat from the aerosol generated by the solid condensed aerosol-forming composition. Additionally, the present invention relates to compositions and devices incorporating such coolant compositions, use of said coolant compositions, and the method of manufacturing the coolant composition.