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Foam extinguishing agent

A foam fire extinguishing agent, perfluorobetaine technology, applied in the field of foam fire extinguishing agent, can solve the problems of lack of coverage, easy recombustion, thickness and stability, etc.

Inactive Publication Date: 2015-08-26
厦门安港消防科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the thickness and stability of the film produced by the foam fire extinguishing agent are not strong, and it will decompose at 300°C-400°C, and the covering ability cannot be achieved. Moreover, the cooling speed is too slow, which makes the fire extinguishing speed slow and the fire extinguishing effect is low. Poor, easy to reignite

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Take by weighing 5 grams of perfluorobetaines, 17 grams of fluorinated alkyl betaines, 32 grams of urea, 51 grams of modified succinates, 100 grams of n-octanol ether sulfonate, 100 grams of alkyl glycosides (0810), 100 grams of ethylene glycol and 2.5 grams of xanthan gum are dissolved in 592.5 grams of tap water and stirred at a high speed to make it evenly mixed to obtain a 3% foam fire extinguishing agent with a freezing point of AFFF of -32°C.

[0013] The foam fire extinguishing agent was formulated into a tap water solution with a mass fraction of 3%, filled into a MSJ950 water-based fire extinguisher, and extinguished a 13B gasoline fire. The fire extinguishing agent is sprayed onto the oil surface by the fire extinguisher, and the dense smoke turns into white water vapor at once, and the fire is controlled within 6 seconds, has only a small flame within 8 seconds, and is completely extinguished within 14 seconds.

Embodiment 2

[0015] Take by weighing 25 grams of perfluorobetaines, 23 grams of fluorinated alkyl betaines, 59 grams of urea, 155 grams of modified succinates, 150 grams of n-octanol ether sulfonate, 160 grams of alkyl glycosides (0810), 200 grams of ethylene glycol and 4.5 grams of xanthan gum were dissolved in 223.5 grams of tap water and stirred at a high speed to make it evenly mixed to obtain a 3% foam fire extinguishing agent with a freezing point of AFFF of -32°C.

[0016] The foam fire extinguishing agent was formulated into a tap water solution with a mass fraction of 3%, filled into a MSJ950 water-based fire extinguisher, and extinguished a 13B gasoline fire. The fire extinguishing agent is sprayed onto the oil surface by the fire extinguisher, and the thick smoke turns into white water vapor immediately, and the fire is controlled within 5 seconds, has only a small flame within 9 seconds, and is completely extinguished within 13 seconds.

Embodiment 3

[0018] Take by weighing 15 grams of perfluorobetaines, 20 grams of fluorinated alkyl betaines, 44 grams of urea, 105 grams of modified succinates, 120 grams of n-octanol ether sulfonate, 130 grams of alkyl glycosides (0810), 140 grams of ethylene glycol and 3.5 grams of xanthan gum are dissolved in 422.5 grams of tap water and stirred at a high speed to make it evenly mixed to obtain a 3% foam fire extinguishing agent with a freezing point of AFFF of -32°C.

[0019] The foam fire extinguishing agent was formulated into a tap water solution with a mass fraction of 3%, filled into MSJ950 water-based fire extinguisher, and put out 8B gasoline fire. The fire extinguishing agent is sprayed onto the oil surface by the fire extinguisher, and the dense smoke turns into white water vapor immediately, and the fire is controlled within 4 seconds, has only a small flame within 8 seconds, and is completely extinguished within 10 seconds.

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Abstract

The invention discloses a foam extinguishing agent. The foam extinguishing agent is composed of the following components in percentage by mass: 0.5-2.5 percent of perfluoro betaine, 1.7-2.3 percent of fluoroalkyl betaine, 3.2-5.9 percent of urea, 5.1-15.5 percent of modified succinate, 10-15 percent of n-octyl alcohol ether sulfonate, 10-16 percent of alkyl glycoside (0810), 10-20 percent of ethylene glycol, 0.25-0.45 percent of xanthan gum and the balance of water. The invention further discloses application of the foam extinguishing agent. A film generated by the foam extinguishing agent is larger in thickness and higher in stability, the fire extinguishing speed is high, and the fire extinguishing effect is better.

Description

technical field [0001] The invention relates to a foam fire extinguishing agent. Background technique [0002] Foam fire extinguishing agent can be divided into protein foam fire extinguishing agent and synthetic foam fire extinguishing agent according to the matrix of synthetic foam. Protein foam fire extinguishing agents mainly include ordinary protein foam fire extinguishing agents, fluoroprotein foam fire extinguishing agents, film-forming fluoroprotein foam fire extinguishing agents, anti-solvent and film-forming protein anti-solvent foam fire extinguishing agents; synthetic foam fire extinguishing agents mainly include high-expansion foam fire extinguishing agents , High, medium and low power general-purpose fire extinguishing foam, water film-forming foam fire extinguishing agent, water-resistant water film-forming fire extinguishing agent, Class A fire foam. [0003] In the prior art, the thickness and stability of the film produced by the foam fire extinguishing ag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62D1/02
CPCA62D1/0085
Inventor 杨松彭旻薛学安
Owner 厦门安港消防科技有限公司
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