阅读说明：本技术 一种新型灭火剂 (Novel fire extinguishing agent ) 是由 杨文潇 张凯 于 2021-09-04 设计创作，主要内容包括：本发明公开了一种新型灭火剂,所述新型灭火剂的成分包括表面活性剂、阻燃剂、抗冻剂、水型聚丙烯酰胺乳液、水和氨基羧酸盐。水型聚丙烯酰胺乳液由相互乳化混合的硫酸铵、十二烷基硫醇、去离子水、丙烯酰胺单体、2-丙烯酰胺-2-甲基丙磺酸、十二烷基聚氧乙烯醚乳化混合而成。本发明提高水系灭火剂的抗低温性能,保障水系灭火剂的灭火功能,避免水系灭火剂加入大量的无机盐来获得凝固点较低的灭火剂,避免增加乙二醇的含量,利于保障灭火效率,达不到无毒、无味、无刺激性的环保使用效果,进而达到提高了水系灭火剂的灭火效能和消除灭火后的环境污染,具有良好的灭火、阻燃功能。(The invention discloses a novel fire extinguishing agent, which comprises the components of a surfactant, a fire retardant, an antifreeze, a water-type polyacrylamide emulsion, water and aminocarboxylate. The water type polyacrylamide emulsion is prepared by emulsifying and mixing ammonium sulfate, dodecyl mercaptan, deionized water, acrylamide monomer, 2-acrylamide-2-methylpropanesulfonic acid and dodecyl polyoxyethylene ether which are emulsified and mixed with each other. The invention improves the low-temperature resistance of the water-based fire extinguishing agent, ensures the fire extinguishing function of the water-based fire extinguishing agent, avoids adding a large amount of inorganic salt into the water-based fire extinguishing agent to obtain the fire extinguishing agent with a lower freezing point, avoids increasing the content of ethylene glycol, is beneficial to ensuring the fire extinguishing efficiency, does not achieve the environment-friendly use effect of no toxicity, no odor and no irritation, further achieves the purposes of improving the fire extinguishing efficiency of the water-based fire extinguishing agent and eliminating the environmental pollution after fire extinguishing, and has good fire extinguishing and flame retarding functions.)

1. A novel fire extinguishing agent is characterized in that: the novel fire extinguishing agent comprises the following components in percentage by mass: 2 to 3 percent of surfactant, 20 to 30 percent of flame retardant, 5 to 10 percent of antifreeze, 15 to 20 percent of water-type polyacrylamide emulsion, 40 to 55 percent of water and 0.3 to 0.7 percent of aminocarboxylate.

2. The novel fire extinguishing agent according to claim 1, characterized in that: the antifreeze agent is one or a combination of ethanol, propylene glycol and glycerol.

3. The novel fire extinguishing agent according to claim 1, characterized in that: the novel fire extinguishing agent also comprises 0.5-1.5% of stabilizing agent.

4. A novel fire extinguishing agent according to claim 3, characterized in that: the stabilizer is sodium benzoate or potassium sorbate.

5. The novel fire extinguishing agent according to claim 1, characterized in that: the water type polyacrylamide emulsion is prepared by emulsifying and mixing 300g of ammonium sulfate, 80ml of dodecyl mercaptan, 800ml of deionized water, 90g of acrylamide monomer, 70g of 2-acrylamide-2-methylpropanesulfonic acid and 6g of dodecyl polyoxyethylene ether which are emulsified and mixed with each other.

6. The novel fire extinguishing agent according to claim 6, characterized in that: and after the emulsification and mixing, standing and filtering the emulsified mixture, wherein the supernatant is used as the water type polyacrylamide emulsion.

7. The novel fire extinguishing agent according to claim 1, characterized in that: the surfactant is a hydrocarbon surfactant.

Technical Field

The invention relates to a novel fire extinguishing agent, and belongs to the technical field of fire extinguishing agents.

Background

The water-based fire extinguisher can extinguish initial fire of combustible solids (A), combustible oils (B), combustible gases (C) and electrified equipment below 1000V. The fire extinguishing effect is obviously better than that of fire extinguishers such as dry powder, 1211 and the like. The fire extinguishing agent has the characteristics of high fire extinguishing efficiency, strong re-combustion resistance, no secondary pollution, no toxicity, no stimulation and the like, and can be biodegraded by 100%. Is an ideal fire-fighting product.

Most of the water-based extinguishing agents commonly used at present have the low freezing point of-10 ℃ and poor low-temperature resistance. Under the condition that the winter temperature which is easy to cause fire disaster is lower than minus 10 ℃, the fire extinguishing function of the water-based fire extinguishing agent is greatly lost or even weakened, and in the prior art, a large amount of inorganic salt is added into the water-based fire extinguishing agent to obtain the fire extinguishing agent with a lower freezing point, if the content of ethylene glycol is increased, the fire extinguishing efficiency is poor due to the combustion supporting of the ethylene glycol, and particularly, the environment-friendly use effect of no toxicity, no odor and no irritation can not be achieved. In order to solve the technical problems, a new technical scheme is especially provided.

Disclosure of Invention

The object of the present invention is to provide a novel fire extinguishing agent to solve the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the novel fire extinguishing agent comprises the following components in percentage by mass: 2 to 3 percent of surfactant, 20 to 30 percent of flame retardant, 5 to 10 percent of antifreeze, 15 to 20 percent of water-type polyacrylamide emulsion, 40 to 55 percent of water and 0.3 to 0.7 percent of aminocarboxylate.

Preferably, the antifreeze is one or more of ethanol, propylene glycol and glycerol.

Preferably, the novel fire extinguishing agent also comprises 0.5-1.5% of a stabilizer.

Preferably, the stabilizer is sodium benzoate or potassium sorbate

Preferably, the water type polyacrylamide emulsion is prepared by emulsifying and mixing 300g of ammonium sulfate, 80ml of dodecyl mercaptan, 800ml of deionized water, 90g of acrylamide monomer, 70g of 2-acrylamide-2-methylpropanesulfonic acid and 6g of dodecyl polyoxyethylene ether which are emulsified and mixed with each other.

Preferably, after the emulsification and mixing, the emulsified mixture is subjected to standing filtration, and the supernatant is used as the water-type polyacrylamide emulsion.

Preferably, the surfactant is a hydrocarbon surfactant.

Compared with the prior art, the invention has the beneficial effects that: the low-temperature-resistant fire extinguishing agent is beneficial to changing the current situation that the low freezing point of most of the conventional water extinguishing agents is-10 ℃, the low-temperature-resistant performance of the water extinguishing agent is improved, the fire extinguishing function of the water extinguishing agent is guaranteed under the condition that the winter temperature which is easy to cause fire is lower than-10 ℃, the fire extinguishing agent with a low freezing point is obtained by adding a large amount of inorganic salt into the water extinguishing agent, the content of ethylene glycol is prevented from being increased, the fire extinguishing efficiency is favorably guaranteed, particularly, the environment-friendly use effect of no toxicity, no odor and no irritation is not achieved, the fire extinguishing efficiency of the water extinguishing agent is improved, the environmental pollution after fire extinguishing is eliminated, and the water extinguishing agent has good fire extinguishing and flame retarding functions.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a technical scheme that: the novel fire extinguishing agent comprises a surfactant, a fire retardant, an antifreeze agent, a water-type polyacrylamide emulsion, water and aminocarboxylate.

Example 1

The novel fire extinguishing agent comprises the following components in percentage by mass: 2% of surfactant, 20% of flame retardant, 5% of antifreeze, 17.7% of water-type polyacrylamide emulsion, 55% of water and 0.3% of aminocarboxylate.

Preferably, the antifreeze is one or more of ethanol, propylene glycol and glycerol.

Preferably, the stabilizer is sodium benzoate or potassium sorbate

Preferably, the water type polyacrylamide emulsion is prepared by emulsifying and mixing 300g of ammonium sulfate, 80ml of dodecyl mercaptan, 800ml of deionized water, 90g of acrylamide monomer, 70g of 2-acrylamide-2-methylpropanesulfonic acid and 6g of dodecyl polyoxyethylene ether which are emulsified and mixed with each other.

Preferably, after the emulsification and mixing, the emulsified mixture is subjected to standing filtration, and the supernatant is used as the water-type polyacrylamide emulsion.

Preferably, the surfactant is a hydrocarbon surfactant.

Example 2

The novel fire extinguishing agent comprises the following components in percentage by mass: 3% of surfactant, 25% of flame retardant, 8% of antifreeze agent, 13.5% of water-type polyacrylamide emulsion, 50% of water and 0.5% of aminocarboxylate.

Preferably, the antifreeze is one or more of ethanol, propylene glycol and glycerol.

Preferably, the stabilizer is sodium benzoate or potassium sorbate

Preferably, after the emulsification and mixing, the emulsified mixture is subjected to standing filtration, and the supernatant is used as the water-type polyacrylamide emulsion.

Preferably, the surfactant is a hydrocarbon surfactant.

Example 3

The novel fire extinguishing agent comprises the following components in percentage by mass: 2.5% of surfactant, 26% of flame retardant, 7% of antifreeze agent, 11% of water-type polyacrylamide emulsion, 52% of water and 0.5% of aminocarboxylate and 1% of stabilizer.

Preferably, the antifreeze is one or more of ethanol, propylene glycol and glycerol.

Preferably, the stabilizer is sodium benzoate or potassium sorbate.

Preferably, after the emulsification and mixing, the emulsified mixture is subjected to standing filtration, and the supernatant is used as the water-type polyacrylamide emulsion.

Preferably, the surfactant is a hydrocarbon surfactant.

Example 4

The novel fire extinguishing agent comprises the following components in percentage by mass: 2.1% of surfactant, 23% of flame retardant, 7.5% of antifreeze agent, 17.84% of water type polyacrylamide emulsion, 48% of water, 0.36% of aminocarboxylate and 1.2% of stabilizer.

Preferably, the antifreeze is one or more of ethanol, propylene glycol and glycerol.

Preferably, the stabilizer is sodium benzoate or potassium sorbate

Preferably, after the emulsification and mixing, the emulsified mixture is subjected to standing filtration, and the supernatant is used as the water-type polyacrylamide emulsion.

Preferably, the surfactant is a hydrocarbon surfactant.

When in use, the invention is beneficial to changing the current situation that the low freezing point of most of the water-based fire extinguishing agents commonly used at present is-10 ℃, improving the low-temperature resistance of the water-based fire extinguishing agent, ensuring the fire extinguishing function of the water-based fire extinguishing agent under the condition that the winter temperature which is easy to cause fire is lower than-10 ℃, avoiding adding a large amount of inorganic salt into the water-based fire extinguishing agent to obtain the fire extinguishing agent with lower freezing point, avoiding increasing the content of ethylene glycol, being beneficial to ensuring the fire extinguishing efficiency, particularly not achieving the environment-friendly use effect of no toxicity, no odor and no irritation, further achieving the purposes of improving the fire extinguishing efficiency of the water-based fire extinguishing agent and eliminating the environmental pollution after fire extinguishing, and having good fire extinguishing and flame retarding functions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.