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Fire extinguishing agent and preparation method and application thereof

A fire extinguishing agent, ammonium polyphosphate technology, applied in fire protection equipment and other directions, can solve the problems of unstable performance of fluorocarbon surfactants, influence of foam performance and fire extinguishing performance, and fire extinguishing agents are not easy to degrade, so as to save preparation time and extinguish fire. Fast, quick to prepare and use effects

Active Publication Date: 2017-03-15
张书源
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The most commonly used water-based fire extinguishing agent in the prior art is an aqueous film-forming foam fire extinguishing agent, which is a foam liquid based on hydrocarbon surfactants and fluorocarbon surfactants, which can be used on certain hydrocarbon surfaces A layer of water film is formed on it, which has the characteristics of high efficiency, environmental protection, and long shelf life, but it is expensive; and because once the fluorocarbon surfactant is mixed with seawater, the performance of the fluorocarbon surfactant will become extremely unstable, which is harmful to the foam. The performance and fire extinguishing performance have a great impact, which greatly limits the use of this kind of fire extinguishing agent; and the fire extinguishing agent containing fluorine active agent is not easy to degrade, which poses a threat to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of fire extinguishing agent, by weight percentage, ammonium polyphosphate 11%, alkyl glycoside 89%, no water added.

[0022] Prepare materials according to the above formula ratio, add ammonium polyphosphate into the alkyl glucoside under the action of a mixer, make the ammonium polyphosphate fully wet, mix and dissolve in the alkyl glycoside, stop stirring, and obtain the fire extinguishing agent of the present invention.

[0023] When in use, use the above-mentioned fire extinguishing agent directly, use a mud pump with a working pressure of 6 atmospheres, spray it to the fire surface, and conduct a fire extinguishing experiment according to the national standard GB15308-2006 "Foam Fire Extinguishing Agent", and the fire extinguishing time is 6s.

Embodiment 2

[0025] A fire extinguishing agent, the fire extinguishing agent is composed of the following components, by weight percentage, ammonium polyphosphate 4%, alkyl glycoside 88%, dodecyl dimethyl amine oxide 8%, excluding water.

[0026] Prepare materials according to the above formula ratio, add ammonium polyphosphate into the alkyl glycoside under the action of the mixer, make the ammonium polyphosphate fully wet, mix and dissolve in the alkyl glycoside, and then add dodecyl dimethyl amine oxide , stop stirring after fully dissolving, and obtain the fire extinguishing agent of the present invention.

[0027] When in use, use the above-mentioned fire extinguishing agent directly without adding water. Use a mud pump with a working pressure of 5 atmospheres to spray it onto the fire surface, and conduct a fire extinguishing experiment according to the national standard GB15308-2006 "Foam Fire Extinguishing Agent". The fire extinguishing time is 4s.

Embodiment 3

[0029] A fire extinguishing agent, the fire extinguishing agent is composed of the following components, by weight percentage, ammonium polyphosphate 0.5%, alkyl glycoside 99.4%, dodecyl dimethyl amine oxide 0.5%.

[0030] Prepare materials according to the above formula ratio, add ammonium polyphosphate into the alkyl glycoside under the action of the mixer, make the ammonium polyphosphate fully wet, mix and dissolve in the alkyl glycoside, and then add dodecyl dimethyl amine oxide , stop stirring after fully dissolving, and obtain the fire extinguishing agent of the present invention.

[0031] When in use, use the above-mentioned fire extinguishing agent directly without adding water. Use a mud pump with a working pressure of 5 atmospheres to spray it onto the fire surface, and conduct a fire extinguishing experiment according to the national standard GB15308-2006 "Foam Fire Extinguishing Agent". The fire extinguishing time is 4s.

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PUM

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Abstract

The invention relates to the field of fire extinguishing, in particular to a fire extinguishing agent and a preparation method and application thereof. The fire extinguishing agent comprises, by weight, 0.5%-15% of ammonium polyphosphate and 85%-99.5% of alkyl glycoside without adding water. According to the fire extinguishing agent and the preparation method and application thereof, the components of the fire extinguishing agent are reduced, the content of a surface active agent is increased, the fire extinguishing speed can be made higher, and the comprehensive properties of being more efficient, more environmentally friendly and lower in cost are achieved. Moreover, no water is added in the synthetic process, so that the weight of the fire extinguishing agent is lowered, and storage and transportation are made more convenient.

Description

technical field [0001] The invention relates to the field of fire extinguishing, in particular to a fire extinguishing agent, its preparation method and application. Background technique [0002] Water-based fire extinguishing agent refers to a series of fire extinguishing agents that add additives to fire-fighting water to change the performance of water, thereby improving the fire-extinguishing ability of water, reducing the amount of water used, and expanding the fire-extinguishing range of water. Water-based fire extinguishing agents include enhanced water fire extinguishing agents, wet water fire extinguishing agents, antifreeze water fire extinguishing agents, thickened water fire extinguishing agents, and drag-reducing water fire extinguishing agents. [0003] Water-based fire extinguishing agent is the most widely used fire extinguishing agent because of its low production cost and convenient use. The most commonly used water-based fire extinguishing agent in the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62D1/00A62D1/02
CPCA62D1/0028A62D1/0042A62D1/0071
Inventor 张书源李静李纪新李珈慧
Owner 张书源
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