Novel water-based fire extinguishing agent

A fire extinguishing agent and water system technology, applied in fire prevention equipment, etc., can solve problems such as high freezing point, low fire extinguishing efficiency, and limited use range of water system fire extinguishing agents, and achieve the effects of reducing corrosion, high fire extinguishing efficiency, and improving cooling effect

Active Publication Date: 2019-11-19
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the fire extinguishing efficiency of the water system fire extinguishing agent produced in the prior art is generally on the low side, and the freezing point is relatively high, which is not suitable for use in the cold northern regions, which limits the scope of use of the water system fire extinguishing agent

Method used

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  • Novel water-based fire extinguishing agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037]The compounding of novel water system fire extinguishing agent: with 20g water-in-water type polyacrylamide emulsion (its solid content is 20%); 50g carbonamide; 100g of ammonium dihydrogen phosphate and diammonium hydrogen phosphate mixing (its mass ratio is 2:1); 1g of sodium gluconate; 829g of water-based medium (being a self-made water system fire extinguishing agent, the specific components are as follows: sodium lauryl sulfate is 20g / L, betaine DSB is 20g / L, AF4018-Z is 4ml / L, polyvinyl alcohol 0.25g / L, ammonium oxalate 20g / L, melamine 20g / L, foam glass 0.10g / L, ammonium oxide 0.12g / L, magnesium hydroxide 0.1g / L, tetrahydrofuran 0.15ml / L, the balance being water) and mix well, and stir evenly.

[0038] Among them, the preparation of water-in-water polyacrylamide emulsion: 350g of ammonium sulfate, 100ml of dodecyl mercaptan and 900ml of deionized water were successively added into a three-necked flask as a reaction medium, 100g of acrylamide monomer, 80g of 2 -Acr...

Embodiment 2～6

[0040] The following table is the concrete charging amount of embodiment 1~6:

[0041] Feeding amount / g Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Drag reducer 20 2.5 1 2 4 25 coolant 50 5 5 1 3 50 antifreeze 100 50 50 100 150 150 anti-corrosion agent 1 0.5 1 3 3 5 aqueous medium 829 942 943.5 894 840 770

[0042] The following table is the used material of embodiment 1~6:

[0043]

[0044] Among them, the self-made fire extinguishing agent is a class A water-based fire extinguishing agent made by Nanjing University of Science and Technology. Polyvinyl alcohol is 0.25g / L, ammonium oxalate is 20g / L, melamine is 20g / L, foam glass is 0.10g / L, ammonium oxide is 0.12g / L, magnesium hydroxide is 0.1g / L, tetrahydrofuran is 0.15ml / L, the balance is water; the water-in-water polyacrylamide emulsion is prepared in Example 1, and its solid content is 20%, and the rest of the medicines ar...

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Abstract

The invention discloses a novel water-based fire extinguishing agent, and belongs to the technical field of fire extinguishing agent preparation, wherein the novel water-based fire extinguishing agentcomprises a drag reducer, a coolant, an anti-freezing agent, anticorrosive agent and an aqueous medium, and the components are compounded according to a certain ratio to obtain the novel water-basedfire extinguishing agent. According to the present invention, when the water-based fire extinguishing agent flows in a pipeline, the flowing resistance of the water-based fire extinguishing agent canbe reduced so as to achieve rapid release and fire extinguishing; when the water-based fire extinguishing agent performs fire extinguish, the cooling effect of the water-based fire extinguishing agentcan be improved, the temperature of the fire field can be reduced, and the fire extinguishing agent can extinguish fire efficiently; and the water-based fire extinguishing agent has a certain anti-corrosion performance so as to reduce the corrosion effect of the water-based fire extinguishing agent on the water box, and has a certain anti-freezing performance, such that the novel water-based fireextinguishing agent is suitable for use in northern cold regions.

Description

technical field [0001] The invention belongs to the technical field of fire extinguishing agent preparation, in particular to a novel water-based fire extinguishing agent. Background technique [0002] Water-based fire extinguishing agent is one of the most commonly used fire extinguishing agents in the field of fire protection. It is a kind of liquid fire extinguishing agent made of water and various additives. It is generally used to extinguish fire in the form of liquid water or foam. It can be used to extinguish Class A fires (solid substance fires) and Class B fires (liquid substance fires). With the emergence of various fires, water-based fire extinguishers are also constantly improving. Water-based fire extinguishing agents and supporting equipment that can be used to extinguish various fires have been developed to effectively control fires and reduce losses. [0003] When the water-based fire extinguishing agent is stored in the fire extinguishing water tank for fir...

Claims

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Application Information

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IPC IPC(8): A62D1/00
CPCA62D1/0035A62D1/0042
Inventor 潘仁明蔺向阳颜明强潘葆
Owner NANJING UNIV OF SCI & TECH
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