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Foam fire extinguishing material containing closed-cell foam ceramic spheres, and preparation method thereof

A closed-cell foam ceramic and foam fire extinguishing technology, applied in fire protection equipment and other directions, can solve the problems of difficult spraying of foam fire extinguishing materials, poor damage resistance of foam covering layers, and short oil surface coverage time, etc., and achieve the best thermal insulation performance. , Long fire resistance time, reducing the effect of tearing damage

Active Publication Date: 2019-09-03
YANTAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, although the stability, burning resistance and re-ignition resistance of the three-phase foam have been improved during the performance test, the three-phase foam will also have conventional foam fire extinguishing properties when actually fighting a super large sea oil spill fire. The injection of materials is difficult, the waste is serious, the foam covering layer has poor damage resistance, and the covering time on the oil surface is short, etc.

Method used

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  • Foam fire extinguishing material containing closed-cell foam ceramic spheres, and preparation method thereof
  • Foam fire extinguishing material containing closed-cell foam ceramic spheres, and preparation method thereof
  • Foam fire extinguishing material containing closed-cell foam ceramic spheres, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A kind of foam fire extinguishing material that contains closed-cell foam ceramic balls, its component comprises by weight parts: 100g fluoroprotein foam fire extinguishing agent, 100g closed-cell foam ceramic balls and 1000g water.

[0026] The preparation method of the above-mentioned foam fire extinguishing material containing closed-cell foam ceramic balls, the steps are as follows:

[0027] (1) Acid treatment: pour 1000mL concentrated sulfuric acid and 400mL, 30wt% hydrogen peroxide into 300g of closed-cell foam ceramic balls, stir the mixture for 20min at a speed of 100-150 rpm, and rinse the closed-cell foam ceramic balls with water ,dry;

[0028] (2) Alkali treatment: Pour 200mL, 25wt% ammonia water, 200mL, 30wt% hydrogen peroxide and 1000mL water into the acid-treated closed-cell foam ceramic ball, heat the mixed solution to 65°C, and use ultrasonic vibration with 100 rpm Stir at a rotating speed of 50 minutes, then filter and dry the closed-cell foam ceramic ...

Embodiment 2

[0033] A kind of foam fire extinguishing material that contains closed-cell foam ceramic balls, its component comprises by weight: 200g fluoroprotein foam fire extinguishing agent, 150g closed-cell foam ceramic balls and 1000g water.

[0034] The preparation method of the above-mentioned foam fire extinguishing material containing closed-cell foam ceramic balls, the steps are as follows:

[0035] (1) Acid treatment: pour 1500mL concentrated sulfuric acid and 600mL, 30wt% hydrogen peroxide into 300g of closed-cell foam ceramic balls, stir the mixture for 30min at a speed of 100-150 rpm, and rinse the closed-cell foam ceramic balls with water ,dry;

[0036] (2) Alkali treatment: Pour 300mL, 25wt% ammonia water, 300mL, 30wt% hydrogen peroxide and 1500mL water into the acid-treated closed-cell foam ceramic ball, heat the mixed solution to 75°C, and use ultrasonic vibration with 150 rpm Stir for 60 minutes at a rotating speed of 10 minutes, then filter and dry the closed-cell foam c...

Embodiment 3

[0041] A kind of foam fire extinguishing material that contains closed-cell foam ceramic balls, its component comprises in parts by weight: 150g fluoroprotein foam fire extinguishing agent, 125g closed-cell foam ceramic balls and 1000g water.

[0042] The preparation method of the above-mentioned foam fire extinguishing material containing closed-cell foam ceramic balls, the steps are as follows:

[0043] (1) Acid treatment: pour 1250mL concentrated sulfuric acid and 500mL, 30wt% hydrogen peroxide into 300g closed-cell foam ceramic balls, and stir the mixture for 25min at a speed of 120 rpm, rinse the closed-cell foam ceramic balls with water, and dry ;

[0044] (2) Alkali treatment: Pour 250mL, 25wt% ammonia water, 250mL, 30wt% hydrogen peroxide and 1250mL water into the acid-treated closed-cell foam ceramic ball, heat the mixed solution to 70°C, use ultrasonic vibration and cooperate with 100-150 Stir at a speed of rev / min for 55min, then filter and dry the closed-cell foam...

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Abstract

The invention belongs to the technical field of fire extinguishing materials, and particularly relates to a foam fire extinguishing material containing closed-cell foam ceramic spheres, and a preparation method thereof. According to the present invention, the used closed-cell foam ceramic spheres have relatively large specific gravity and hydrophilic oleophobic property, such that the closed-cellfoam ceramic spheres and the fluoroprotein foam fire extinguishing agent form the layered structure when the closed-cell foam ceramic sphere and fluoroprotein foam fire extinguishing agent mixture asthe extinguishing material is sprayed to the sea surface, such that the closed-cell foam ceramic sphere layer can move along with the sea surface so as to buffer the foam protein on the upper layer, reduce the tearing damage of the up and down sea surface disturbance to the foam protein layer, ensure the continuity of the foam protein layer and improve the sealing effect of the foam protein layerto the oil surface; and the closed-cell foam ceramic spheres of the closed-cell foam ceramic sphere layer are sandwiched with the foam protein, wherein the foam protein can be well protected, and hascharacteristics of good stability and long fireproof time, such that the foam fire extinguishing material has advantages of excellent stability, excellent burn resistance and excellent re-ignition resistance.

Description

technical field [0001] The invention belongs to the technical field of fire extinguishing materials, in particular to a foam fire extinguishing material containing closed-cell foam ceramic balls and a preparation method thereof. Background technique [0002] Oil chemical raw materials are generally flammable and explosive. Once a fire or explosion accident occurs, it will often cause huge economic losses. Therefore, there are strict operating specifications during storage and transportation. Even so, there are often oil fire accidents caused by various reasons in the world. Generally speaking, these oil product fire accidents can be divided into three types: static storage, land transportation, and dynamic floating. The floating type generally occurs during the ocean transportation of oil products. Compared with the static storage type and land transportation type oil fire, the dynamic floating type oil fire will quickly spread and spread on the sea surface due to the acti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62D1/02
CPCA62D1/0071A62D1/0078
Inventor 李向明周光友朱小涛任桂娜杨晴
Owner YANTAI UNIV
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