Organic Acid Fire Extinguishing Composition

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Solution Overview

Problem

Existing aerosol fire extinguishing agents face challenges such as high storage volume, physical explosion risks, and reduced performance due to the need for complex cooling systems, which are costly and inefficient in practical applications.

Innovation Solution

A fire-extinguishing composition comprising an organic acid compound with a high content (50% or more) that absorbs heat and decomposes to release fire-extinguishing substances, achieving both physical and chemical inhibition effects, combined with a pyrotechnic agent and optional flame retardants and additives for enhanced performance and stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional aerosol fire extinguishing agents are used, then fire-extinguishing effect is achieved through oxidation-reduction reactions, but the device structure becomes complex and bulky due to the need for cooling systems

Engineering Contradiction:
Improvefire-extinguishing effectVSAvoiddevice structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts and removes the cooling system from the fire extinguishing device, replacing the traditional oxidation-reduction reaction mechanism with a decomposition reaction of organic acid compounds that inherently provides both fire suppression and cooling effects without requiring separate cooling components

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent changes the chemical reaction parameters from oxidation-reduction to decomposition reactions of organic acid compounds, altering the fundamental mechanism to eliminate the need for complex cooling systems while maintaining fire-extinguishing effectiveness

Inventive Principle:
Principle #35Parameter changes

2Reliability

If gas fire extinguishing systems are stored under high pressure, then fire-extinguishing capability is maintained, but the volume occupied increases and physical explosion risk arises

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

Solution Approach 1:

The patent changes the storage parameters from high-pressure gas storage to ambient temperature solid/liquid organic acid compound storage, fundamentally altering the physical state and storage conditions to eliminate explosion risks while maintaining fire suppression capability through controlled decomposition

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent employs organic acid compounds that can be stored stably and activated on-demand through decomposition, replacing the need for continuously pressurized systems with a more stable, on-demand fire suppression approach

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

3Reliability

If aerosol generating agents release fire-extinguishing substances during combustion reactions, then active particles are generated, but a large amount of heat is released requiring cooling systems that inactivate particles

Engineering Contradiction:
Improvefire-extinguishing performanceVSAvoidactive particles inactivation
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The patent extracts and eliminates the cooling system that causes particle inactivation, using organic acid compound decomposition reactions that generate fire-extinguishing substances without the excessive heat release that inactivates active particles in traditional systems

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent creates a simplified version of the fire suppression mechanism that copies the essential function of generating fire-extinguishing substances without replicating the harmful heat release and particle inactivation effects of traditional combustion-based systems

Inventive Principle:
Principle #26Copying

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 effectively shortens fire-extinguishing time, improves efficiency, and ensures safer storage and operation by rapidly absorbing heat and reducing nozzle temperatures, outperforming traditional aerosol agents in tests.

Implementation Method 1

the organic acid compound according the disclosure may absorb heat and be decomposed at a high temperature, and release a fire-extinguishing substance

Methodology Applied
Scientific EffectDecomposition: Pyrolysis

Implementation Method 2

the fire-extinguishing substance may react, by means of free radicals, with one or more of O·, OH·, H·free radicals that are necessary for chemical-looping combustion, thus cutting off the chemical-looping combustion

Methodology Applied
Scientific EffectFree radical reaction: Chemical Bonding

Implementation Method 3

or may reduce the oxygen partial pressure by physical action to inhibit the flame

Methodology Applied
Scientific EffectPhysical absorption: Absorption (physical)

Data Source

PatentEP2742978B1Fire-extinguishing composition comprising organic acid compound
Publication Date: 2016.10.12 XIAN WESTPEACE FIRE TECHNOLOGY CO LTD

AI summary

The disclosure relates to a fire-extinguishing composition comprising an organic acid compound, wherein the fire-extinguishing composition comprises an organic acid compound. The content of the organic acid compound is 50% by mass or more, and preferably 70% to 90% by mass. The organic acid compound according to the disclosure may absorb heat and be decomposed at a high temperature, and release a fire-extinguishing substance. The fire-extinguishing substance may react, by means of free radicals, with one or more of O·, OH·, H· free radicals that are necessary for chemical-looping combustion, thus cutting off the chemical-looping combustion, or may reduce the oxygen partial pressure by physical action to inhibit the flame, or achieve the fire-extinguishing effect by both the physical and chemical inhibition effects. At the same time, the organic acid compound achieves a synergistic effect together with a pyrotechnic agent, thereby further improving the fire-extinguishing performance of the fire-extinguishing agent, and greatly shortening the effective fire-extinguishing time.