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Preparation method of storage stability foam fire extinguishing agent material

A technology of foam fire extinguishing agent and storage stability, which is applied in the field of preparation of storage stable foam fire extinguishing agent materials, which can solve the problems of short storage time, corruption, and environmental pollution of foam fire extinguishing agents, and achieve excellent fire extinguishing effect, increased rheology, The effect of improving structural performance

Inactive Publication Date: 2019-07-12
王陈琼
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Problems solved by technology

[0010] The technical problem to be solved by the present invention is to provide a method for preparing a storage-stable fire extinguishing foam material in view of the problems of short storage time and environmental pollution after corruption of existing foam fire extinguishing agents

Method used

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  • Preparation method of storage stability foam fire extinguishing agent material

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Embodiment Construction

[0030] Take camphor leaves and wash and dry them, pulverize them and place them in a supercritical carbon dioxide extraction device. The extraction pressure is 25-28MPa, the extraction temperature is 45-50°C, the flow rate of carbon dioxide is 1.7-2.0L / min, and the separation temperature After static extraction at 52°C for 45-50 minutes, the extract was collected and filtered, and the filtrate was collected to obtain the modified essential oil; in parts by weight, weigh 40-45 parts of modified essential oil and 25-30 parts of 85% ethanol The solution and 6 to 8 parts of 30% sulfuric acid solution by mass fraction were placed in a beaker, stirred and mixed, and placed at 55 to 60°C for 3 to 5 hours of heat preservation reaction, left to cool to room temperature, and the reaction liquid was obtained and placed in a separatory funnel. Stand to separate layers and collect the upper oil phase, adjust the pH to 7.0 with saturated sodium bicarbonate solution at room temperature, then ...

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Abstract

The invention relates to a preparation method of a storage stability foam fire extinguishing agent material, and belongs to the technical field of fire extinguishing materials. According to the preparation method, the foam fire extinguishing agent is prepared from materials such as a surfactant material, and composite urea; in the fire extinguishing process, inorganic salt is decomposed to absorbheat, so that the temperature of the surface of a combustion material is reduced; carbon dioxide and ammonia are generated by thermal decomposition, so that oxygen is diluted; the flame becomes smaller for out of oxygen supply; and due to the addition of a surfactant, a large amount of foam is generated by the novel foam fire extinguishing agent in the fire extinguishing process, so that the oxygen is isolated, and the fire extinguishing effect is excellent. According to the technical scheme, yeast is used as a microbial desulfurization material to carry out desulfurization treatment on gelatine powder; as the desulfurized gelatine powder material is added into the material to swell, the displacement resistance of the desulfurized gelatine powder particles is increased; and an entangled framework material is formed by the swelling of the desulfurized gelatine powder in the fire extinguishing agent material, so that the structural performance of the material is effectively improved, andthe storage stability of the material is effectively improved.

Description

technical field [0001] The invention relates to a method for preparing a storage-stable foam fire extinguishing agent material, belonging to the technical field of fire extinguishing materials. Background technique [0002] As an important piece of the modern comprehensive transportation system, airports are an important part of air transportation and urban opening. Since the reform and opening up, my country's airports have developed rapidly and gradually become a major driving force for social and economic development and a window for foreign exchanges. With the increase of the number of airports in our country, the amount of foam fire extinguishing agent used in airports is increasing year by year. As the main fire extinguishing agent of civil air transport airports, aqueous film-forming foam fire extinguishing agent occupies a pivotal position in airport fire rescue. [0003] Liquid foam is a dispersion system composed of a large number of air bubbles and liquid. Because...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62D1/04A62D1/06
CPCA62D1/0071A62D1/06
Inventor 王陈琼
Owner 王陈琼
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