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Water-based mixed system fire extinguishing agent for extinguishing burning gasoline and preparation method thereof

A fire-fighting agent, water-based technology, used in fire protection equipment and other directions, can solve problems such as easy formation of precipitation, advantage failure, affecting the stability of the active ingredient system, and achieve the effect of preventing the spread of flames and good adhesion.

Inactive Publication Date: 2020-06-05
四川天地同光科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the difficulty is that after forming a suspension of solid particles larger than 100nm, due to the influence of thermal motion and gravity, the system is very unstable and precipitates are easy to form. At the same time, some active ingredients have good solubility in the medium and will dissolve Break the electrolyte balance and acid-base balance of the system, affect the stability of the active ingredients and the system, and make its advantages invalid

Method used

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  • Water-based mixed system fire extinguishing agent for extinguishing burning gasoline and preparation method thereof
  • Water-based mixed system fire extinguishing agent for extinguishing burning gasoline and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A water-based mixed system firefighting agent for extinguishing burning gasoline, comprising the following components in parts by weight:

[0029] 3 parts of graphite, 0.5 part of attapulgite, 0.4 part of bentonite, 2 parts of dispersant, 0.1 part of dispersing aid, 0.03 part of potassium sorbate, and the remainder is water. The final total is 100 parts. The consistency is 1800mPas, and the specific gravity is about 1.1g / cm3.

[0030] The dispersant (0.2~0.4% (w / w) that the present invention adopts, such as BASF Efka 4009 (modified polyurethane), dispersion aid such as BASF wetting agent CF10 (alkylphenol ethoxylated sodium alkylbenzenesulfonate ). The particle size of the non-metallic mineral particles is 1-300 microns.

[0031] The preparation method of the water-based mixed system fire-fighting agent for extinguishing burning gasoline comprises the following steps:

[0032] Take deionized water, add 2 parts of dispersant, and 0.1 part of dispersing aid, after fully...

Embodiment 2

[0034] A water-based mixed system firefighting agent for extinguishing burning gasoline, comprising the following components in parts by weight:

[0035] 6 parts of graphite, 1.5 parts of attapulgite, 0.6 part of bentonite, 3 parts of dispersant, 0.15 part of dispersing aid, 0.035 part of benzoic acid, and the remainder is water. The final total is 100 parts. 1900mPas, the specific gravity is 1.11g / cm 3 .

[0036] The dispersant (0.2~0.4% (w / w) that the present invention adopts, such as BASF Efka 4009 (modified polyurethane), dispersion aid such as BASF wetting agent CF10 (alkylphenol ethoxylated sodium alkylbenzenesulfonate ). The particle size of the non-metallic mineral particles is 1-300 microns.

[0037] The preparation method of the water-based mixed system fire-fighting agent for extinguishing burning gasoline comprises the following steps:

[0038] Take deionized water, add 3 parts of dispersant, and 0.15 parts of dispersing aid, after fully stirring for 13 minutes,...

Embodiment 3

[0040] A water-based mixed system firefighting agent for extinguishing burning gasoline, comprising the following components in parts by weight:

[0041] 9 parts of graphite, 2.5 parts of attapulgite, 0.8 part of bentonite, 3 parts of dispersant, 0.2 part of dispersing aid, 0.04 part of sodium diacetate, and the remainder is water. The final total is 100 parts. Consistency 2000mPas, specific gravity 1.15g / cm 3 .

[0042] The dispersant (0.2~0.4% (w / w) that the present invention adopts, such as BASF Efka 4009 (modified polyurethane), dispersion aid such as BASF wetting agent CF10 (alkylphenol ethoxylated sodium alkylbenzenesulfonate ). The particle size of the non-metallic mineral particles is 1-300 microns.

[0043] The preparation method of the water-based mixed system fire-fighting agent for extinguishing burning gasoline comprises the following steps:

[0044]Take deionized water, add 3 parts of dispersing agent, and 0.2 parts of dispersing aid, after fully stirring for ...

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Abstract

The invention discloses a water-based mixed system fire extinguishing agent for extinguishing burning gasoline and a preparation method thereof. The water-based mixed system fire extinguishing agent comprises the following components in parts by weight: 3.5-35 parts of nonmetallic mineral particles, 2-6 parts of a dispersing agent, 0.1-0.6 part of a dispersing aid, 0.03-0.08 part of an antibacterial agent and the balance of water, totaling 100 parts. The consistency of the water-based mixed system fire-fighting agent is 1800-2200 mPa*s, and the specific gravity of the water-based mixed systemfire-fighting agent is 0.9-1.3 g / cm3. The water-based mixed system fire extinguishing agent has certain consistency and specific gravity and good penetrability, the penetrability exceeds that of foam,CO2, alkyl halide and other fire extinguishing agents, and effective fire extinguishing components can be more easily conveyed to a fire area.

Description

technical field [0001] The invention relates to the field of fire protection, in particular to a water-based mixed system fire-fighting agent for extinguishing burning gasoline and a preparation method thereof. Background technique [0002] Ordinary combustion is based on four essential elements: combustibles, oxygen, ignition source, and free radicals. Free radicals have high chemical reactivity, which makes the combustion chain continue, and releases a large amount of heat and then feeds back to promote the combustion process. All types of fire extinguishing agents are developed around blocking these four elements. Gasoline is very volatile and flammable. When its vapor concentration in the air exceeds 70 g / m3, it is easy to cause combustion and explosion when it encounters fire or high heat radiation. At present, gasoline fires are generally extinguished with fire extinguishing tools such as foam, carbon dioxide and dry powder fire extinguishers, and water is strictly pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62D1/00A62D1/02
CPCA62D1/005A62D1/0071
Inventor 张平童晶徐晓兰吴琼张涛刘维陈永红李艳檬
Owner 四川天地同光科技有限责任公司
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