CN111408095A - Lithium battery foam extinguishing agent - Google Patents
Lithium battery foam extinguishing agent Download PDFInfo
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- CN111408095A CN111408095A CN202010229011.2A CN202010229011A CN111408095A CN 111408095 A CN111408095 A CN 111408095A CN 202010229011 A CN202010229011 A CN 202010229011A CN 111408095 A CN111408095 A CN 111408095A
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- parts
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- lithium battery
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- fire extinguishing
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0028—Liquid extinguishing substances
- A62D1/0035—Aqueous solutions
- A62D1/0042—"Wet" water, i.e. containing surfactant
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0071—Foams
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The invention discloses a lithium battery foam extinguishing agent, which comprises a mixed component of an additive and water, wherein the additive comprises the following components: 85-90 parts of distilled water; 1-6 parts of an antifreeze agent; 0-0.5 part of water-retaining agent; 1-3 parts of a preservative; 0.2-2 parts of a metal corrosion inhibitor; 1-3 parts of performance additives; 1-2 parts of hydrocarbon surfactant. The fluorocarbon surfactant greatly improves the performance of the foam extinguishing agent in terms of spreading and fire extinguishing; the fire extinguishing agent can generate a large amount of foam rapidly after being sprayed and heated, and a compact foam covering layer is formed on the surface of a combustion object; the preparation process of the fire extinguishing agent is simple and convenient; the invention can form the fire extinguishing capability in a short time after the additive is prepared and mixed with water; basically has no toxicity and pollution. The overall fire extinguishing agent is basically harmless to the environment; the invention can be widely applied to various industrial fields.
Description
Technical Field
The invention relates to the technical field of fire extinguishing materials, in particular to a lithium battery foam extinguishing agent.
Background
At present, the common fire extinguishing agents in the market comprise a dry powder fire extinguishing agent, a foaming fire extinguishing agent and an aqueous agent fire extinguishing agent, the main points of the fire extinguishing agents are heat absorption, temperature reduction, fire source sealing and oxygen isolation, a physical fire extinguishing method is used, and the fire extinguishing agents have the defects that the fire extinguishing rate is low, and the aqueous agent fire extinguishing process is easy to generate water gas explosion at high temperature, so that major accidents are easy to cause. In addition, the resin with flame retardant property or the added flame retardant is used, and the toxic and harmful gas and smoke dust generated during the combustion of the material matched with the flame retardant greatly influence the measures of people such as escape, rescue, fire fighting and the like.
Since the 21 st century, especially in the past decade, lithium ion batteries have been widely used in the fields of traffic power supplies, power energy storage supplies, mobile communication power supplies, new energy storage power supplies, aerospace military power supplies and the like by virtue of their excellent properties of high energy density, large output power, high open circuit voltage, no memory effect, wide working temperature range, low self-discharge, high charging and discharging speed and the like, and have gradually become an important component of energy consumption in China.
The lithium ion battery is popularized in a large area and used at high frequency, so that a lithium ion battery fire accident happens occasionally, the lithium ion battery is used as an energy-containing substance and has the risk characteristic of fire and explosion, the lithium ion battery does not achieve essential safety at present, and particularly, under the conditions that the lithium ion battery is overheated, short-circuited, extruded and the like, the lithium ion battery can generate a large amount of heat to trigger the chain reaction of an electrode material and electrolyte in the lithium ion battery, and then thermal runaway occurs and is developed into a large-scale fire and explosion accident. Once a fire or explosion accident happens, the fire or explosion accident is difficult to extinguish due to high temperature, easy quick linkage with adjacent lithium ion groups and generation of a large amount of toxic and harmful gases. Therefore, the safety problem of using lithium ion battery as power source is more and more concerned about in various social circles. Especially, in recent years, the lithium ion battery safety problem of korea has increased more in the event of the lithium ion battery explosion of the korean samsung Note7 mobile phone and the lithium ion fire of the us tesla electric vehicle.
Therefore, a fire extinguishing material appliance which can extinguish fire more efficiently and is safe and reliable simultaneously is forced to meet the requirements in the field of lithium battery fire extinguishing.
Disclosure of Invention
The invention aims to provide a lithium battery foam extinguishing agent, which effectively improves the safety and the high efficiency of a fire extinguisher in the using process, effectively inhibits heat radiation in the fire extinguishing process, and reduces the surface temperature and the ambient temperature of a lithium ion battery.
In order to solve the technical problems, the invention adopts the technical scheme that: a lithium battery foam extinguishing agent comprises mixed components of an additive and water, and is characterized in that: the additive comprises:
85-90 parts of distilled water;
1-6 parts of an antifreeze agent;
0-0.5 part of water-retaining agent;
1-3 parts of a preservative;
0.2-2 parts of a metal corrosion inhibitor;
1-3 parts of performance additives;
1-2 parts of hydrocarbon surfactant.
As an improvement, the additive comprises:
88 parts of distilled water;
4 parts of an antifreeze agent;
0.5 part of water-retaining agent;
1.5 parts of a preservative;
1 part of metal corrosion inhibitor;
2 parts of performance additives;
1.5 parts of hydrocarbon surfactant.
As an improvement, the antifreeze is any one or more of ethylene glycol, propylene glycol or glycerol.
As an improvement, the water-retaining agent is sorbitol.
As an improvement, the preservative is any one or more of sodium benzoate and potassium sorbate.
As an improvement, the metal corrosion inhibitor is one or more of triethanolamine, benzotriazole and sodium tripolyphosphate.
As an improvement, the performance additive is one or more of ammonium dihydrogen phosphate, ammonium polyphosphate, arginine or glycine.
As an improvement, the fluorocarbon surfactant is a nonionic fluorocarbon surfactant.
As an improvement, the foaming agent is one or more of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, decyl glucoside or sodium fatty alcohol polyoxyethylene ether sulfate.
The preparation method of the foam extinguishing agent comprises the following steps:
(1) adding distilled water into a dispersion tank according to the weight part, then respectively adding an antifreeze agent, a water-retaining agent, a preservative, a metal antirust agent and a performance additive, and stirring at a constant speed until the materials are completely dissolved and no obvious particles exist;
(2) adding a fluorocarbon surfactant and a foaming agent into the component solution obtained in the step (1), and stirring at a low speed for 15-20 minutes to obtain a semitransparent feed liquid; and (5) obtaining a finished product after the inspection is qualified.
Compared with the prior art, the invention has the following remarkable advantages:
(1) the fluorocarbon surfactant in the invention greatly improves the performance of the foam extinguishing agent in spreading and fire extinguishing.
(2) After the fire extinguishing agent is sprayed and heated, a large amount of foam is quickly generated, and a compact foam covering layer is formed on the surface of a combustion object.
(3) The preparation process of the fire extinguishing agent is simple and convenient: the invention can form the fire extinguishing capability in a short time by mixing with water after the additive is prepared.
(4) Basically has no toxicity and pollution: the preparation process has no discharge of waste gas, waste water and waste residue, and only the additive is mixed with proper amount of water, and the additive is non-toxic. Thus, the overall fire suppressant is substantially environmentally friendly.
(5) The invention can be widely applied to water system fire extinguishing systems, water spray fire preventing systems and Halon substitute fire extinguishing systems, in particular to lithium battery energy storage cabinets, lithium battery power systems, important public places, densely populated places, mines, forests, meadows, ships and the like.
Description of the drawings:
FIG. 1 is an electrochemical impedance test plot;
FIG. 2 is a graph comparing limiting oxygen indexes.
Detailed Description
A lithium battery foam extinguishing agent comprises mixed components of an additive and water, and is characterized in that: the additive comprises:
88 parts of distilled water;
4 parts of an antifreeze agent;
0.5 part of water-retaining agent;
1.5 parts of a preservative;
1 part of metal corrosion inhibitor;
2 parts of performance additives;
1.5 parts of hydrocarbon surfactant.
In this embodiment, the antifreeze agent is any one or more of ethylene glycol, propylene glycol or glycerol.
In this embodiment, the water retaining agent is sorbitol.
In this embodiment, the preservative is any one or more of sodium benzoate and potassium sorbate.
In this embodiment, the metal corrosion inhibitor is any one or more of triethanolamine, benzotriazole, and sodium tripolyphosphate.
In this embodiment, the performance additive is any one or more of ammonium dihydrogen phosphate, ammonium polyphosphate, arginine, or glycine.
In this embodiment, the fluorocarbon surfactant is a nonionic fluorocarbon surfactant.
In this embodiment, the foaming agent is any one or more of sodium dodecylbenzene sulfonate, sodium dodecyl sulfate, decyl glucoside, or sodium fatty alcohol polyoxyethylene ether sulfate.
The preparation method of the foam extinguishing agent comprises the following steps:
(1) adding distilled water into a dispersion tank according to the weight part, then respectively adding an antifreeze agent, a water-retaining agent, a preservative, a metal antirust agent and a performance additive, and stirring at a constant speed until the materials are completely dissolved and no obvious particles exist;
(2) adding a fluorocarbon surfactant and a foaming agent into the component solution obtained in the step (1), and stirring at a low speed for 15-20 minutes to obtain a semitransparent feed liquid; and (5) obtaining a finished product after the inspection is qualified.
Cooling effect test embodiment: the cooling test model is shown in fig. 1, and in fig. 1, each symbol mark represents: 1. storing a fire extinguishing agent steel cylinder; 2. a nozzle; 3. stainless steel plate with K-type thermocouple
H-distance between nozzle and steel plate is 200mm
M1, M2, M3 and M4 which are four K-type thermocouples, and the measuring range of the thermocouples is 0-800 DEG C
L1, L2-square steel plate side length 500mm
L3-thickness of steel plate 2mm
L4, L7-side length 150mm
L5, L6-side length 200mm
As shown in the figure, a stainless steel plate with a K-type thermocouple is placed on an electric furnace and heated to 450-500 ℃, the power supply of the electric furnace is cut off, the stainless steel plate is erected and isolated from the electric furnace, thickened fireproof aluminum foil cloth is filled at the lower part of the stainless steel plate for further heat insulation, a fire extinguishing agent steel cylinder is started, and a paperless recorder is used for recording the temperature change value.
The temperature reduction effect graph is shown in fig. 2, the change condition of the temperature of the steel plate after the power supply is cut off after heating is completed is that the change value of the temperature of the steel plate is in the longitudinal direction, the water and the fire extinguishing agent act on the steel plate after the steel plate stops heating in the transverse direction, the change value of the temperature parameter of the steel plate along with time can be seen from the temperature reduction test graph, the temperature of the steel plate slowly rises under the action of the fire extinguishing agent, and the fire extinguishing agent can absorb the heat of the steel plate more quickly than water, so that the fire extinguishing agent not only has a fire extinguishing effect, but also has an effective temperature reduction effect stronger than that of water, can continuously absorb heat; thereby avoiding the possibility of secondary rebirth of the fire.
Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.
Claims (9)
1. A lithium battery foam extinguishing agent comprises mixed components of an additive and water, and is characterized in that: the additive comprises:
85-90 parts of distilled water;
1-6 parts of an antifreeze agent;
0-0.5 part of water-retaining agent;
1-3 parts of a preservative;
0.2-2 parts of a metal corrosion inhibitor;
1-3 parts of performance additives;
1-2 parts of hydrocarbon surfactant.
2. The foam fire extinguishing agent for lithium batteries according to claim 1, wherein: the additive comprises:
88 parts of distilled water;
4 parts of an antifreeze agent;
0.5 part of water-retaining agent;
1.5 parts of a preservative;
1 part of metal corrosion inhibitor;
2 parts of performance additives;
1.5 parts of hydrocarbon surfactant.
3. A lithium battery foam fire suppressant according to claim 1 or 2, characterized in that: the antifreeze is any one or more of ethylene glycol, propylene glycol or glycerol.
4. A lithium battery foam fire suppressant according to claim 1 or 2, characterized in that: the water-retaining agent is sorbitol.
5. A lithium battery foam fire suppressant according to claim 1 or 2, characterized in that: the preservative is any one or more of sodium benzoate and potassium sorbate.
6. A lithium battery foam fire suppressant according to claim 1 or 2, characterized in that: the metal corrosion inhibitor is any one or more of triethanolamine, benzotriazole and sodium tripolyphosphate.
7. A lithium battery foam fire suppressant according to claim 1 or 2, characterized in that: the performance additive is one or more of ammonium dihydrogen phosphate, ammonium polyphosphate, arginine or glycine.
8. A lithium battery foam fire suppressant according to claim 1 or 2, characterized in that: the fluorocarbon surfactant is a nonionic fluorocarbon surfactant.
9. A lithium battery foam fire suppressant according to claim 1 or 2, characterized in that: the foaming agent is any one or more of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, decyl glucoside or fatty alcohol polyoxyethylene ether sodium sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010229011.2A CN111408095A (en) | 2020-03-27 | 2020-03-27 | Lithium battery foam extinguishing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010229011.2A CN111408095A (en) | 2020-03-27 | 2020-03-27 | Lithium battery foam extinguishing agent |
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| CN111408095A true CN111408095A (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010229011.2A Pending CN111408095A (en) | 2020-03-27 | 2020-03-27 | Lithium battery foam extinguishing agent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191769A (en) * | 2021-11-22 | 2022-03-18 | 浙江蓝盾电工新材料科技有限公司 | Efficient cooling type foam extinguishing agent and preparation method and application thereof |
| WO2024056202A1 (en) * | 2022-09-15 | 2024-03-21 | Lifesafe Technologies Limited | Fire extinguishing liquid |
Citations (4)
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|---|---|---|---|---|
| WO1996005889A1 (en) * | 1994-08-25 | 1996-02-29 | Dynax Corporation | Fluorochemical foam stabilizers and film formers |
| CN103170082A (en) * | 2011-12-20 | 2013-06-26 | 陕西坚瑞消防股份有限公司 | Fire-extinguishing composition containing amino acid compounds |
| CN108066930A (en) * | 2017-12-27 | 2018-05-25 | 广东自由能科技股份有限公司 | A kind of antifreeze extinguishing chemical and preparation method thereof |
| CN110368631A (en) * | 2019-08-02 | 2019-10-25 | 厦门一泰消防科技开发有限公司 | A kind of lithium ion battery extinguishing chemical and preparation method thereof |
-
2020
- 2020-03-27 CN CN202010229011.2A patent/CN111408095A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996005889A1 (en) * | 1994-08-25 | 1996-02-29 | Dynax Corporation | Fluorochemical foam stabilizers and film formers |
| CN103170082A (en) * | 2011-12-20 | 2013-06-26 | 陕西坚瑞消防股份有限公司 | Fire-extinguishing composition containing amino acid compounds |
| CN108066930A (en) * | 2017-12-27 | 2018-05-25 | 广东自由能科技股份有限公司 | A kind of antifreeze extinguishing chemical and preparation method thereof |
| CN110368631A (en) * | 2019-08-02 | 2019-10-25 | 厦门一泰消防科技开发有限公司 | A kind of lithium ion battery extinguishing chemical and preparation method thereof |
Non-Patent Citations (2)
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| 和承尧: "《富含柠檬醛精油植物资源综合利用》", 31 December 2008, 云南科技出版社 * |
| 赵萍: "《粮油食品工艺》", 30 November 2004, 甘肃科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191769A (en) * | 2021-11-22 | 2022-03-18 | 浙江蓝盾电工新材料科技有限公司 | Efficient cooling type foam extinguishing agent and preparation method and application thereof |
| WO2024056202A1 (en) * | 2022-09-15 | 2024-03-21 | Lifesafe Technologies Limited | Fire extinguishing liquid |
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