CN104474659A - Liquid extinguishing agent and water-based expendable fire extinguisher - Google Patents
Liquid extinguishing agent and water-based expendable fire extinguisher Download PDFInfo
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- CN104474659A CN104474659A CN201410788302.XA CN201410788302A CN104474659A CN 104474659 A CN104474659 A CN 104474659A CN 201410788302 A CN201410788302 A CN 201410788302A CN 104474659 A CN104474659 A CN 104474659A
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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
- A62D1/06—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires containing gas-producing, chemically-reactive components
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The invention discloses a liquid extinguishing agent and a water-based expendable fire extinguisher. The liquid extinguishing agent is prepared from the following components in parts by weight: 20-30 parts of carbamide, 15-30 parts of ammonium hydrogen carbonate, 5-10 parts of inorganic salt, 15-30 parts of anti-solving foam concentrate, 2-4 parts of a surfactant, 7-15 parts of sodium hydrogen carbonate, 546-491 parts of purified water. The water-based expendable fire extinguisher prepared by the liquid extinguishing agent comprises a fragile plastic container and the liquid extinguishing agent which is filled in the container. The fire extinguisher disclosed by the invention is simple to operate, good in fire-distinguishing effect and suitable for being used on public transport vehicles.
Description
Technical field
The invention belongs to fire-fighting equipment technical field, particularly a kind of good extinguishing effect liquid extinguisher and hang easily, take conveniently, aqua type throwing type fire annihilator fast of putting out a fire, be specially adapted to mass transportation facilities.
Background technology
Existing mass transportation facilities (comprising bus and subway) is all configured with fire extinguisher, and mostly is portable dry powder fire extinguisher.This fire extinguisher is primarily of compositions such as cylindrical shell, bottle valve, jet hose (nozzle) and powder extinguishing agents.Powder extinguishing agent is generally divided into BC powder extinguishing agent and the large class of ABC powder extinguishing agent two.BC powder extinguishing agent is sodium bicarbonate, and ABC powder extinguishing agent is ammonium phosphate salt.Driving gas is nitrogen, and under normal temperature, its operating pressure is 1.5MPa.
Powder extinguishing agent mainly through the dust cloud that sprays under gas-pressurized effect and flame contact, mix time there is physics, chemical action is put out a fire, its operation principle is:
One is the volatile decomposition thing of inorganic salts in dry powder, and the free radical produced with fuel in combustion process or active group generation Chemical Inhibition and secondary catalytic action, make the chain reaction of burning interrupt and put out a fire;
Two is that the powder of dry powder drops on outside combustible surface, chemical reaction occurs, and under high temperature action, forms the glassy cover layer of one deck, thus isolating oxygen, and then fire smothering.In addition, part of dilution oxygen and cooling effect is also had.
The using method of portable dry powder fire extinguisher is such:
1, when using dry powder extinguisher, in order to prevent plugging, first fire extinguisher should be turned upside down for several times, medicinal powder being loosened, and then slowly starts bomb switch, with pipe-blocking-proof.
2, remove lead sealing, first unlatching is pulled up by upper safety plug, then hold jet hose front end spray nozzle part, another hand will open pressure handle pressure, open fire extinguisher and put out a fire.In use, pressure handle should be depressed all the time on the other hand, can not decontrol, otherwise can interrupt spraying.
3, dry powder extinguisher put out a fire to save life and property flammable, flammable liquid fire time, flame root should be aimed at and strafe, if by the liquid fire of putting out a fire to save life and property in trickling burning time, flame root should be aimed near and far, and left and right is strafed, until flame is all put out.
But, be provided in that portable dry powder fire extinguisher on mass transportation facilities cannot implement when there is the condition of a fire to put out a fire often now.Its reason is: one, long-pending large, the quality weight of dry powder extinguisher body, can not hang on car body, can only be positioned on the other floor of car door.Car is inner, and once there is the condition of a fire, passengers inside the car can pour into car door in terror confusedly, and fire extinguisher of wanting in this case to take fast is very difficult; Even if two can take fire extinguisher, its loaded down with trivial details method of operating will affect best fire extinguishing opportunity adversely; Three, when for implementing fire extinguishing, burning things which may cause a fire disaster cannot be aimed at when terrified crowd falls over each other escape probably at all and spraying dry-chemical fire extinguishing; Four, be difficult to put out flammable liquid fire, the fire that polar liquid alcohol as inflammable in category-B, ether, aldehyde, ketone etc. cause.Find out from above reason, in fact, portable dry powder fire extinguisher is not suitable for being provided on mass transportation facilities and uses.China's city bus is all equipped with portable dry powder fire extinguisher, but public transit vehicle is still fire incident takes place frequently, institute joins fire extinguisher and cannot play a role, and causes the major accident of car crash, then further demonstrates this problem.
Therefore, prior art Problems existing is: inconvenience taken by the fire extinguisher that mass transportation facilities uses, complicated operation, and extinguishing effect is poor.
Summary of the invention
The object of the present invention is to provide a kind of liquid extinguisher, good extinguishing effect.
Another object of the present invention is to provide a kind of aqua type throwing type fire annihilator, simple to operate, good extinguishing effect, is suitable for using on mass transportation facilities.
The technical solution realizing the object of the invention is: a kind of liquid extinguisher, and its composition and parts by weight are:
Preferably, the content of described phosphoamide is 24 ~ 28 parts.
The optimum content of described phosphoamide is 26 parts.
Preferably, the content of described carbonic hydroammonium is 20 ~ 26 parts.
The optimum content of described carbonic hydroammonium is 23 parts.
Preferably, the content of described water-resistant foam liquid is 15 ~ 30 parts.
The optimum content of described water-resistant foam liquid is 25 parts.
The technical solution realizing another object of the present invention is: a kind of aqua type throwing type fire annihilator, and comprise frangible plastic container and filling liquid extinguisher in this container, described liquid extinguisher is above-mentioned liquid extinguisher.
Preferably, the material of described frangible plastic container is hard polyvinylchloride resin.
As improvement, described fire extinguisher, also comprises support, and described support mates with described container profile, and described container cassette can be installed on described support, described support can be fixedly installed in vertical wall.
The present invention compared with prior art, its remarkable advantage:
1, good extinguishing effect: liquid extinguisher of the present invention, add the constituent of water-resistant foam liquid as extinguishing chemical, not only can put out category-A (general solid kind fire) fire, category-B flammable liquid (as gasoline, kerosene, diesel oil etc.) fire, C class (gas and steam) fire and F class (grease) fire, and the inflammable polar liquid of category-B (as alcohol, ether, aldehyde, ketone etc.) fire can be put out, good extinguishing effect, applied widely; And, extinguishing chemical of the present invention with the addition of hydrochloric acid hydrogen ammonium and sodium acid carbonate, the feature of the carbon dioxide utilizing carbonic hydroammonium and sodium acid carbonate heat (50 DEG C) to produce fast, be used as the propellant of foam, extinguishing chemical is made to produce a large amount of foam coverage in the surface of burning objects, play the effect of starvation, solve the difficult problem that anti-molten row foam solution and these two kinds of compositions of surfactant need special-purpose foaming machine to foam as extinguishing chemical;
2, simple to operate: aqua type throwing type fire annihilator of the present invention, take conveniently, simple to operate, overcome on mass transportation facilities because the problem of difficulty, complicated operation, fire extinguishing difficulty taken by fire extinguisher in narrow space, densely populated place situation.Once there is the condition of a fire in car, passenger can take out fire extinguisher conveniently and directly drop into burning things which may cause a fire disaster enforcement fire extinguishing from cassette support.And, because the present invention can put out the inflammable polar liquid of category-B (as alcohol, ether, aldehyde, ketone etc.) fire, if find to set on fire, offender is splashing flammable liquid, also can take out fire extinguisher directly to throw among flammable liquid, because extinguishing chemical has anti-flaming function, make arsonist light flammable liquid, stop the generation of fire.
3, safety, environmental protection: fire extinguisher of the present invention does not use any priming device and other dangerous material, is perfectly safe, can not causes any harm to human body from processes such as production, transport, storage, uses; Extinguishing chemical composition forms by agrochemical with through the approved qualified water-resistant foam liquid product of national quality test center and beverage surfactant, environmentally friendly.
Principle of the present invention is:
1, in liquid extinguisher containing moisture, moisture flash evapn after preheating and comburant and fire scene temperature are declined rapidly.In addition, containing inorganic salts in liquid extinguisher extinguishing chemical, can burning-point be improved with in the liquid-soaked after water-soluble solution to combustible, prevent the generation of resume combustion.Meanwhile, the anti-freezing property of extinguishing fluid can be improved.
2, liquid extinguisher produces ammonia after heated, and ammonia can absorb heat, decomposites a large amount of inert gas, and the temperature in the scene of a fire and oxygen concentration are minimized, and suppresses combustion chemistry chain reaction.Phosphoamide, carbonic hydroammonium and sodium acid carbonate contained in liquid extinguisher, produce ammonia and carbon dioxide after heated, absorbs heat, the temperature in the scene of a fire and oxygen concentration are minimized, and suppresses combustion chemistry chain reaction;
3, liquid extinguisher produces carbon dioxide after heated, and the effect of carbon dioxide blocks the contact of combustion front with oxygen, thus play the effect suppressing burning.Carbonic hydroammonium and sodium acid carbonate heat (50 DEG C of beginnings) is utilized easily to decompose the feature generating carbon dioxide, the present invention using carbonic hydroammonium and sodium acid carbonate as extinguishing chemical composition, the carbon dioxide that utilization produces is as the blowing agent of water-resistant foam liquid, make it be covered in burning objects surface, play the effect that starvation suppresses burning.
4. contain surfactant in liquid extinguisher, its effect makes formed foam can form layer protecting film at fuel surface, and this diaphragm can protect the foam on upper strata not to be destroyed, and cuts off the contact of oxygen with combustion front, thus play the effect of fire extinguishing.Containing water-resistant foam liquid in liquid extinguisher, therefore polarity flammable liquid fire can be put out.
Detailed description of the invention
For understanding the present invention better, below in conjunction with specific embodiment, the present invention is described in detail.
The present invention's raw material used are commercially available.
The preparation method of each embodiment liquid extinguisher and aqua type throwing type fire annihilator is identical, carries out all in the steps below.
The preparation method of liquid extinguisher of the present invention is as follows:
1, according to composition and ratio of weight and number, each component is taken with electronic scale;
2, pure water is heated to 30 DEG C ~ 40 DEG C;
3, add surfactant, stir 90 minutes with rotating speed 30 revs/min;
4, add phosphoamide, carbonic hydroammonium, inorganic salts, sodium acid carbonate, water-resistant foam liquid, stir 180 minutes with rotating speed 30 revs/min, obtaining can for filling liquid extinguisher.
Aforesaid liquid extinguishing chemical is filled in frangible plastic container with conventional equipment and method, namely obtains aqua type throwing type fire annihilator of the present invention.
Embodiment 1
The weight portion of liquid extinguisher consists of: phosphoamide 20 parts, 15 parts, carbonic hydroammonium, 5 parts, inorganic salts, water-resistant foam liquid 30 parts, 2 parts, surfactant, sodium acid carbonate 7 parts, pure water 546 parts.
The preparation method of the present embodiment liquid extinguisher is as follows: according to composition and ratio of weight and number, take each component with electronic scale; Pure water is heated to 30 DEG C ~ 40 DEG C; Add surfactant, stir 90 minutes with rotating speed 30 revs/min; Add phosphoamide, carbonic hydroammonium, inorganic salts, sodium acid carbonate, water-resistant foam liquid, stir 180 minutes with rotating speed 30 revs/min, obtaining can for filling liquid extinguisher.Aforesaid liquid extinguishing chemical is filled in frangible plastic container with conventional equipment and method, namely obtains aqua type throwing type fire annihilator of the present invention.Formula and fire extinguisher is fed into fire extinguish experiment effect as shown in table 1.
Embodiment 2 ~ 8
Formula and the experiment effect of embodiment 2 ~ 8 are as shown in table 1, and preparation method and experimental technique are with embodiment 1.
Table 1 liquid extinguisher proportioning and fire fighting test result table
As can be seen from Table 1, aqua type throwing type fire annihilator good extinguishing effect of the present invention.
And due to simple to operate, support is made up of engineering plastic materials, support is screwed on compartment by holes, fire extinguisher by cradle hangs in compartment wall.Support Design becomes the object of clamping structure, is when the interior generation condition of a fire, in case of emergency can pull out from front quickly and easily or extract fire extinguisher from above out and implement fire extinguishing.Be particularly suitable for using on mass transportation facilities.
Claims (10)
1. a liquid extinguisher, is characterized in that, its composition and parts by weight are:
2. liquid extinguisher according to claim 1, is characterized in that: the content of described phosphoamide is 24 ~ 28 parts.
3. liquid extinguisher according to claim 1, is characterized in that: the content of described phosphoamide is 26 parts.
4. liquid extinguisher according to claim 1, is characterized in that: the content of described carbonic hydroammonium is 20 ~ 26 parts.
5. liquid extinguisher according to claim 1, is characterized in that: the content of described carbonic hydroammonium is 23 parts.
6. liquid extinguisher according to claim 1, is characterized in that: the content of described water-resistant foam liquid is 15 ~ 30 parts.
7. liquid extinguisher according to claim 1, is characterized in that: the content of described water-resistant foam liquid is 25 parts.
8. an aqua type throwing type fire annihilator, comprises frangible plastic container and is contained in the liquid extinguisher in this container, it is characterized in that: described liquid extinguisher is the liquid extinguisher described in one of claim 1 to 5.
9. aqua type throwing type fire annihilator according to claim 8, is characterized in that: the material of described frangible plastic container is hard polyvinylchloride resin.
10. aqua type throwing type fire annihilator according to claim 8 or claim 9, it is characterized in that: also comprise support, described support mates with described container profile, and described container cassette can be installed on described support, described support can be fixedly installed in vertical wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410788302.XA CN104474659A (en) | 2014-12-17 | 2014-12-17 | Liquid extinguishing agent and water-based expendable fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410788302.XA CN104474659A (en) | 2014-12-17 | 2014-12-17 | Liquid extinguishing agent and water-based expendable fire extinguisher |
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| CN104474659A true CN104474659A (en) | 2015-04-01 |
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| CN201410788302.XA Pending CN104474659A (en) | 2014-12-17 | 2014-12-17 | Liquid extinguishing agent and water-based expendable fire extinguisher |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759052A (en) * | 2015-04-09 | 2015-07-08 | 刘树民 | Throwing type dry powder extinguisher |
| CN104910551A (en) * | 2015-05-28 | 2015-09-16 | 陈金城 | PVC resin material, preparation method and application method thereof |
| CN109432644A (en) * | 2018-10-17 | 2019-03-08 | 浙江鑫龙消防科技有限公司 | A kind of Efficient safe water base fire extinguishing device |
| WO2020254869A1 (en) * | 2019-06-21 | 2020-12-24 | Kha Luan Trading Production Company Limited | Improved fire-extinguishing mixture |
| CN112888488A (en) * | 2018-10-22 | 2021-06-01 | 斐然集团有限公司 | Fire extinguishing composition |
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| CN1188678A (en) * | 1997-01-23 | 1998-07-29 | 株式会社Acp | Water sytsem extinguishant |
| CN1275088A (en) * | 1998-08-14 | 2000-11-29 | 株式会社Gtl | Water-based foam fire extinguisher |
| JP2001037901A (en) * | 1999-08-03 | 2001-02-13 | Janekkusu:Kk | Fire extinguisher |
| US20110308821A1 (en) * | 2010-06-16 | 2011-12-22 | Japan Fire Protect Co., Ltd. | Method of manufacturing fire-extinguishing agent and throw-type fire extinguisher |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759052A (en) * | 2015-04-09 | 2015-07-08 | 刘树民 | Throwing type dry powder extinguisher |
| CN104910551A (en) * | 2015-05-28 | 2015-09-16 | 陈金城 | PVC resin material, preparation method and application method thereof |
| CN109432644A (en) * | 2018-10-17 | 2019-03-08 | 浙江鑫龙消防科技有限公司 | A kind of Efficient safe water base fire extinguishing device |
| CN112888488A (en) * | 2018-10-22 | 2021-06-01 | 斐然集团有限公司 | Fire extinguishing composition |
| WO2020254869A1 (en) * | 2019-06-21 | 2020-12-24 | Kha Luan Trading Production Company Limited | Improved fire-extinguishing mixture |
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Application publication date: 20150401 |