Fire Extinguishing Composition High-Temperature Decomposition

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Solution Overview

Problem

Existing fire extinguishing systems face challenges such as high-pressure storage risks, environmental pollution, and reduced efficiency due to the need for cooling systems in aerosol agents, which complicate device structures and increase costs.

Innovation Solution

A fire extinguishing composition that generates fire extinguishing substances through high-temperature decomposition, comprising at least 80wt% fire extinguishing material, which can be easily processed and molded, and includes additives for enhanced performance, eliminating the need for pressure storage and cooling systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If high-pressure storage is used for gas fire extinguishing systems, then fire extinguishing efficiency is improved, but safety risks and volume increase

Engineering Contradiction:
Improvefire extinguishing efficiencyVSAvoidphysical explosion risk
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent changes the storage state parameter from high-pressure gas to solid/liquid form at atmospheric pressure. The fire extinguishing agent is stored as a solid or liquid material that decomposes upon heating, eliminating the need for high-pressure containment while maintaining fire suppression capability through chemical decomposition rather than pressurized gas discharge.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent extracts the fire extinguishing function from the pressurized gas system by using a solid/liquid agent that releases fire suppressant gases through thermal decomposition. This separates the storage function (atmospheric pressure solid/liquid) from the fire suppression function (decomposed gas), eliminating the safety risks associated with high-pressure storage.

Inventive Principle:
Principle #2Taking out (Extraction)

2Reliability

If aerosol fire extinguishing agents are used to generate oxidation-reduction reaction, then fire extinguishing effect is improved, but device structure becomes complicated due to cooling system requirements

Engineering Contradiction:
Improvefire extinguishing effectVSAvoidcooling system structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent converts the harmful heat generated during aerosol combustion into a beneficial trigger for decomposition. Instead of requiring an external cooling system to manage heat, the heat from combustion or environmental temperature directly activates the thermal decomposition of the fire extinguishing agent, which then releases fire suppressant gases that extinguish the fire.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent inverts the conventional approach by not trying to cool the system to prevent secondary fires, but rather using the heat as the activation mechanism. The fire extinguishing agent decomposes when heated, releasing gases that suppress fire, turning the heat problem into the solution mechanism.

Inventive Principle:
Principle #13The other way round (Inversion)

3Temperature

If cooling system is added to aerosol fire extinguishing agents, then temperature control is improved, but fire extinguishing performance is reduced due to particle inactivation

Engineering Contradiction:
Improvetemperature controlVSAvoidfire extinguishing performance
Core Design Contradiction:
TemperatureVSReliability

Solution Approach 1:

The patent extracts the cooling system from the fire extinguishing mechanism entirely. Instead of using a cooling system to control temperature, the invention relies on thermal decomposition triggered by heat, eliminating the conflict between temperature control and particle activity. The fire suppressant gases are released through decomposition rather than being generated in a cooled combustion reaction.

Inventive Principle:
Principle #2Taking out (Extraction)

4Reliability

If Halon fire extinguishing agent is used, then fire extinguishing efficiency is improved, but environmental pollution occurs

Engineering Contradiction:
Improvefire extinguishing efficiencyVSAvoidenvironmental pollution
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent changes the chemical composition parameter from Halon compounds to environmentally benign materials such as metal compounds, metal organic compounds, or their mixtures. These alternative substances decompose to release fire suppressant gases that are effective against fire but do not deplete ozone or cause environmental harm, maintaining fire suppression efficiency while eliminating environmental pollution.

Inventive Principle:
Principle #35Parameter changes

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 composition achieves effective fire extinguishing via physical or chemical inhibition, reduces the risk of secondary fires, and is environmentally friendly with stable performance and low toxicity, allowing for long-term storage without complex cooling systems.

Implementation Method 1

a fire extinguishing material which is capable of generating fire extinguishing substance through high-temperature decomposition

Methodology Applied
Scientific EffectHigh-temperature decomposition: Pyrolysis

Implementation Method 2

the fire extinguishing composition can do heat absorption rapidly when decomposing under high-temperature heating, thus can effectively and rapidly reduce the heat released by burning the pyrotechnic agent

Methodology Applied
Scientific EffectThermal absorption: Heat Sink

Implementation Method 3

the fire extinguishing mechanism...is mainly based on physical extinguishing, namely, smothering extinguishing by reducing the oxygen concentration in a fire area...the sprayed powder contacts with the flame under the force of pressurized gas to generate the physical and chemical inhibition effect

Methodology Applied
Scientific EffectChemical inhibition: Catalysis

Data Source

PatentEP2617474B1Fire extinguishing composition generating fire extinguishing substance through high-temperature decomposition
Publication Date: 2020.04.29 XIAN WESTPEACE FIRE TECHNOLOGY CO LTD
  • EP2617474B1 patent drawing
  • EP2617474B1 patent drawing
  • EP2617474B1 patent drawing

AI summary

The present invention relates to a fire extinguishing composition generating fire extinguishing substance through high-temperature decomposition; the fire extinguishing composition includes a fire extinguishing material which can be decomposed to release substance with fire extinguishing properties during the heating process; the content of the fire extinguishing material is at least 80wt%; a pyrotechnic agent is adopted as a heat source and a power source in a process of fire extinguishing; and the purpose of fire extinguishing is achieved by: igniting the pyrotechnic agent, generating a large quantity of fire substance from the fire extinguishing composition in the use of high temperature produced by burning pyrotechnic agent, and the fire substance sprays out together with the pyrotechnic agent. Compared with the traditional aerosol fire extinguishing systems, the gas fire extinguishing systems and the water type extinguishing systems, the present invention provides a more efficient and safer fire extinguishing composition.