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High-concentration cold-resistant sea-water type water-to-film foam fire extinguishant

A foam fire extinguishing agent and water film-forming technology, which is applied in the field of foam fire extinguishing agent, can solve problems such as unreported, and achieve the effect of being less prone to corruption and deterioration.

Inactive Publication Date: 2006-03-08
李汉明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As an aqueous film-forming foam fire extinguishing agent that can be used for marine firefighting, has a high concentration (AFFF1), and can be used under low temperature (-17°C) conditions, there have been no reports at home and abroad so far.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Weigh FN1157 3kg, DF614 5kg, BS-12 25kg, C8-12 fatty alcohol polyoxyethylene ether 18kg to form mixture A, weigh ethylene glycol 2.5kg, polyethylene glycol 4kg, n-octanol 0.5kg, diethylene glycol Diol butyl ether 5kg to form mixture B, weigh Si204 3kg, isobutanol 15kg, n-nonanol 3kg, toluene 1.5kg to form mixture C, add B to A, after stirring evenly, add mixture C, then add formaldehyde 0.5 kg, disodium EDTA 0.5kg and water to 100L, then stir evenly, that is the product of the present invention.

Embodiment 2

[0029] Weigh DF134 2kg, DF614 5kg, foaming agent TML 30kg, K12 18kg, urea 3kg, water 10kg to form mixture A, weigh dodecyl alcohol 0.5kg, diethylene glycol butyl ether 5kg, ethylene glycol 2.5kg, composition Mixture B, weigh Si570 2kg, toluene 0.5kg, isobutanol 15kg, decanol 0.5kg to form mixture C, add B to A, stir well, add mixture C, then add modified xanthan gum 0.3kg, GMB Compound preservative 0.4kg, hydroxyethylidene diphosphate 1kg and water to 100L, and finally stir evenly.

Embodiment 3

[0031] Weigh FN1157 5kg, DF134 3kg, C8-12 fatty alcohol ether 30kg, AOS 18kg to form mixture A, weigh polyethylene oxide 0.5kg, dodecanol 0.5kg, ethylene glycol 2.5kg, diethylene glycol butyl ether 3kg , n-nonanol 3kg to form mixture B, then weigh Si204 3kg, toluene 1.5kg, isobutanol 18kg to form mixture C, add B to A, stir evenly, then add mixture C, finally add formaldehyde 0.5kg, ED3A 1kg and Water to 100L, stir well, it is the product of the present invention.

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Abstract

The raw material composition of the invented high-concentration aqueous film-forming foam extinguishing agent includes fluorocarbon surfactant, hydrocarbon surfactant, organo-silicon surfactant, stabilizing coupler, chelating agent, spreading burn-resisting agent, bacteriostatic agent and water. It can be used for quickly extinguishing oil fire.

Description

Technical field: [0001] The invention relates to a foam fire extinguishing agent, in particular to a foam fire extinguishing agent with high concentration, which can mix and foam with seawater or fresh water at a ratio of 1:99 at a low temperature of -17°C, and efficiently extinguish oil fires. Background technique: [0002] The fire extinguishing agent used to extinguish oil fires at home and abroad is mainly foam fire extinguishing agent, and the aqueous film-forming foam fire extinguishing agent (AFFF for short), because the foam layer produced by it can spread and form a film on the oil surface, it can quickly burn the burning oil. The surface is extended to cover and isolate the air, so as to quickly extinguish the fire. And because the main components of the aqueous film-forming fire extinguishing agent and the auxiliary agent added are non-toxic and non-polluting, it is an environmentally friendly product. Therefore, the aqueous film-forming foam fire extinguishing a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62D1/02
Inventor 李汉明蔡雪玲
Owner 李汉明
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