CN101874917A - Fire-extinguishing mixture - Google Patents
Fire-extinguishing mixture Download PDFInfo
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- CN101874917A CN101874917A CN 200910136124 CN200910136124A CN101874917A CN 101874917 A CN101874917 A CN 101874917A CN 200910136124 CN200910136124 CN 200910136124 CN 200910136124 A CN200910136124 A CN 200910136124A CN 101874917 A CN101874917 A CN 101874917A
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Abstract
The invention relates to a fire-extinguishing mixture used for retarding fire spreading, in particular to a fire-extinguishing mixture which can form the gel barrier layer and have high viscosity. The fire-extinguishing mixture is prepared by mixing super absorbent polymer (SAP) with water-soluble thickener and water-soluble foaming agent in specific proportions so that when mixed in water, SPA absorbs moisture to form gel to be covered on the surface of a blazer and cut off oxygen supply needed by the fire source; the water-soluble thickener is used to increase the adhesion of gel and reduce cracks generated in the gel barrier layer on the surface of the blazer; and water-soluble foaming agent is used to generate foam to increase the vertical adhesion of the gel barrier layer, further prolong the time that the gel barrier layer adheres to the surface of the blazer, overcome the problem that the traditional fire-extinguishing method using water or foam has poor adhesion or retarding property, and greatly improving the extinguishing effect.
Description
Technical field
The present invention relates to the fire-fighting technique field, particularly be meant a kind of high viscosity and high fire extinguishing composition that stagnates and spend of having concurrently,, can effectively reach the effect of fire extinguishing so as to producing the splendid gel barrier layer of tack in the combustion surface.
Background technology
When fire takes place, be subjected to the influence of high temperature, roaring flame and dense smoke, very easily allow stranded people can't pass through the scene of a fire, therefore often cause very serious life and property loss.And how to put out, intercept burning things which may cause a fire disaster rapidly, be the only effective means that reduces casualties and economic loss.Existing fire hazard classification mainly is included as category-A fire (common fire, as combustible materials such as timber, paper, continuous yarn, cloth, plastics), category-B fire (oil fire, as petroleum series materials such as solvent, oil plant class, compressed petroleum gas) and C class fire (appliance fire is as the equipment or the fire of not cutting off the electricity supply as yet in the energising) etc.And the present invention inquired into mainly is to be used to hinder the fire extinguishing composition of category-A fire and category-B fire of going out.
And mainly be that to utilize water to dash be main at the existing fire-fighting mode of aforementioned category-A fire and material, again or use chemical foam or air etc., but dashing with water wherein is example, the downward flowing velocity of water is exceedingly fast and easily evaporation, therefore it can't be overlying on the surface of combustion body for a long time, also can't effectively put out flare, allows fire extinguishing procedure is consuming time takes a lot of work, and meeting heavy damage surrounding environment after water dashes, invisible has enlarged economic loss.Part as for chemical foam or air, though producing the foam that is attached to the combustion surface through special nozzle, for hindering contacting of oxygen in combustion body and the air, produce the blocking effect, it also is applicable in the category-B fire, but easy Yin Gaowen of foam or water-soluble solvent absorb, and cause the phenomenon of bubble burst, and then have influence on whole fire extinguishing effect.
Then except utilizing aforesaid foam fire-fighting, use dry powder in addition, but its screening effect is not good as for the category-B fire, and these extinguishing materials also have unpredictability, may make other device damage in the scene of a fire, moreover cause the possibility of environmental pollution in addition.
Though and industry provides in addition as No. the 589357th, TaiWan, China patent announcement, bulletin I267395 number, bulletin No. 280887 and United States Patent (USP) and announces US 5,849, No. 210 and US 6,251, No. 961 different extinguish materials, but itself or because of retentiveness not good or because of barrier not good or because of vertical degree of sticking together not enough and factor such as degree of adhering to is not remarkable mutually, and the tangible or invisible effect that has influence on fire extinguishing.
In other words, if can provide a kind of high barrier and the vertical high extinguish material of degree of adhering to, then can effectively hinder oxygen combustion-supporting in combustion body and the air and contact, and retardation its be attached to the time of firing the surface, can improve the effect of putting out a fire.
Summary of the invention
Main purpose of the present invention provides a kind of fire extinguishing composition, so as to having the characteristic of high barrier, high vertically degree of adhering to and high-level viscosity concurrently, and can effectively improve the fire extinguishing effect.
Based on this, the present invention mainly is by following technological means, specifically reach aforesaid purpose and effect, its mixing comprises and can absorb water rapidly and the good super absorbent resin of water storage in water, the water-soluble foam generation agent that accounts for the water-soluble thickener of gross weight 1%～10% at least and account for gross weight 1%～8%.
And the realization by the aforementioned techniques means, the present invention further includes following beneficial effect at least, such as:
(1) fire extinguishing composition of the present invention has high barrier, and it can be coated with the gel barrier layer that stays water-based good in the combustion surface, and decapacitation hinders outside the combustion body contact oxygen, and can avoid its rapid evaporation, prevents influence fire extinguishing effect.
(2) fire extinguishing composition of the present invention has high-level viscosity, so as to the time of its coating combustion surface of retardation, and can increase the area that covers the combustion surface, and can promote its fire extinguishing effect.
(3) fire extinguishing composition of the present invention has vertically degree of adhering to of height, and it can avoid the gel barrier layer to produce the crack, prevents to have influence on the screening effect of combustion surface, for further improving its fire extinguishing effect.
(4) fire extinguishing composition of the present invention has the splendid water-based of staying, and can reduce the temperature of combustion body surrounding enviroment rapidly, and the combustion body is produced the effect of suffocating, so its fire extinguishing effect is splendid.
The specific embodiment
The preferred embodiment that below develops simultaneously cooperates different graphic and figure numbers simultaneously, and the present invention is described further, allows be familiar with present technique field person and can more detailed understanding be arranged to the present invention.
The present invention is a kind of fire extinguishing composition of supplying usefulness, this fire extinguishing composition mainly be by super absorbent resin (Super Absorbent Polymers, SAP) as core material, it also contains the water-soluble thickener of special ratios and water-soluble foam generates agent;
Wherein the super absorbent resin of core material has excellent water storage, high-moisture-retention, weatherability, but characteristics such as no side effects and natural decomposition, this super absorbent resin has splendid water storage effect in water, and behind water storage, form granular gel, can form the gel barrier layer and be coated in when firing the surface, with hinder can be combustion-supporting in the air oxygen with fire the surface burning things which may cause a fire disaster and contact, and the effect of generation blocking-up oxygen, and then reaching the fire extinguishing effect, this super absorbent resin also can be selected from polyacrylate, polyvinyl alcohol, the acetate ethylene copolymer class, polyurethanes, the PEO class, starch connects the mixing of juice copolymer analog or aforementioned two or more polymer;
And after the water-soluble thickener of fire extinguishing composition is dissolved in the water, can change the rheological characteristic of water and gel, make and set up viscosity between adjacent gel, to promote its coating effect, and increase gel the dead time of horizontal plane and vertical plane, this water-soluble thickener can be selected from farina, edible seaweed powder or polyacrylic acid, poly-first acrylic acid, acrylic acid and the acrylic acid copolymer of first etc. of starch based, its ratio accounts for 1%～10% of fire extinguishing composition gross weight ratio, and optimum mixture ratio example of the present invention is 2%～5%;
The water-soluble foam of fire extinguishing composition generates the caustic alkali that agent can be selected from the solid shape again, sodium carbonate or borax etc., its ratio accounts for 1%～8% of fire extinguishing composition gross weight ratio, optimum mixture ratio example of the present invention is 2%～5%, and after fire extinguishing composition is dissolved in the water, foam be can add and the aluminum sulfate of agent and sodium bicarbonate etc. generated, make its can with the caustic alkali in the fire extinguishing composition, sodium carbonate, borax or boric acid produce chemical change, make it after using nozzle pressurization ejection, form foam, and can increase the area of gel coating, also can improve simultaneously degree of sticking together and degree of adhering between gel, and increase the gel barrier layer the dead time of firing the surface.And this foam generates agent further can be mixed with urea or urea derivative, makes it after being heated, and can produce carbon dioxide, further promotes its fire extinguishing effect.
Whereby, composition one has the fire extinguishing composition of high barrier, high vertically degree of adhering to and high-level viscosity concurrently.
It is on reality is used, the present invention utilizes the super absorbent resin of core material can form granular gel behind water storage in water, when it uses the nozzle pressurized jet on the combustion body, can form the gel barrier layer in the combustion surface, effectively oxygen that can be combustion-supporting in the obstruction air contacts with combustion surface burning things which may cause a fire disaster, and then produces the effect of blocking-up oxygen.The present invention also can utilize water-soluble thickener to change its rheological characteristic, makes between adjacent gel and can set up viscosity, promotes the effect of its coating combustion body effectively, and then increases the gel barrier layer the dead time of horizontal plane and vertical plane.Moreover water-soluble foam of the present invention generates agent and can form foam in nozzle pressurization back, for the area that increases the gel coating, can further improve degree of sticking together and degree of adhering between gel simultaneously, effectively increases the dead time of gel barrier layer in the combustion surface.
To sum up, because high water absorbent resin gel has splendid water-retaining property and weatherability, so can reduce the transmission of thermal source, so when the gel of super absorbent resin is coated in burning things which may cause a fire disaster, can block air and enter, make burning things which may cause a fire disaster can't obtain burning condition, the heat energy of burning things which may cause a fire disaster is absorbed by high water absorbent resin gel simultaneously, can cause the burning things which may cause a fire disaster temperature to be reduced to below the ignition point, and reach the fire extinguishing purpose.Moreover, when it is coated on the combustion surface, can further intercept burning things which may cause a fire disaster and temperature, utilize the water storage and a large amount of heat of weatherability consumption of high water absorbent resin gel, the temperature that can avoid firing body rises to ignition point, prevent burning things which may cause a fire disaster to external diffusion, can reduce fire-fighting equipment and fire consumption in a large number simultaneously.
Moreover the present invention not only can be used for the category-A fire, and super absorbent resin maintains particular space having behind the water storage between certain weight and adjacent gel, and it is poor because of rheological characteristic simultaneously, is difficult for flowing, so that it is used in the oiliness fire of category-B effect is better.
Though the present invention has utilized above-mentioned preferred embodiment to disclose; right its is not in order to limit the present invention; any those skilled in the art are not breaking away within the spirit and scope of the present invention; relatively the foregoing description carries out various changes and revises the technical scope that still belongs to the present invention and protected, so protection scope of the present invention is as the criterion with claims.
Claims (7)
1. fire extinguishing composition, it comprises the water-soluble thickener that accounts for gross weight 1%～10%, and the water-soluble foam that accounts for gross weight 1%～8% generates agent, and surplus be to absorb water rapidly and the good super absorbent resin of water storage in water.
2. fire extinguishing composition according to claim 1, it is characterized in that, this super absorbent resin is selected from polyacrylate, polyvinyl alcohol, acetate ethylene copolymer class, polyurethanes, PEO class or starch and connects the school copolymer analog, perhaps the mixing of aforementioned two or more polymer.
3. fire extinguishing composition according to claim 1 is characterized in that, this water-soluble thickener is selected from the farina or the edible seaweed powder of starch based; Or be selected from polyacrylic acid, poly-first acrylic acid, acrylic acid or the acrylic acid copolymer of first.
4. according to claim 1 or 3 described fire extinguishing compositions, it is characterized in that this water-soluble thickener accounts for 2%～5% of gross weight.
5. fire extinguishing composition according to claim 1 is characterized in that, this water-soluble foam generates caustic alkali, sodium carbonate, borax or the boric acid that agent is selected from the solid shape.
6. fire extinguishing composition according to claim 1 is characterized in that, this water-soluble foam generates agent and accounts for 2%～5% of gross weight.
7. according to claim 1,5 or 6 described fire extinguishing compositions, it is characterized in that, can produce the urea or the urea derivative of carbon dioxide after this water-soluble foam generation agent is mixed with and is heated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910136124 CN101874917B (en) | 2009-04-30 | 2009-04-30 | Fire-extinguishing mixture |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910136124 CN101874917B (en) | 2009-04-30 | 2009-04-30 | Fire-extinguishing mixture |
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| CN101874917A true CN101874917A (en) | 2010-11-03 |
| CN101874917B CN101874917B (en) | 2013-03-20 |
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| CN 200910136124 Expired - Fee Related CN101874917B (en) | 2009-04-30 | 2009-04-30 | Fire-extinguishing mixture |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103740212A (en) * | 2013-12-31 | 2014-04-23 | 华电电力科学研究院 | Chemical fire retardant for controlling spontaneous combustion of lignite of power plant |
| CN106039625A (en) * | 2016-06-21 | 2016-10-26 | 山东创能机械科技有限公司 | Water extinguishing agent and extinguishing method combing water extinguishing agent and fire-fighting unmanned aerial vehicle |
| CN106111027A (en) * | 2016-06-21 | 2016-11-16 | 山东创能机械科技有限公司 | Naval vessel water cannon sea water additive and charging system |
| CN106621160A (en) * | 2016-11-22 | 2017-05-10 | 闫博文 | Preparation method of film-forming compact fire-extinguishing material |
| CN106730566A (en) * | 2016-12-21 | 2017-05-31 | 蚌埠市龙泰消防有限公司 | A kind of protein foam fire-fighting medicament and preparation method thereof |
| CN106823228A (en) * | 2015-12-03 | 2017-06-13 | 泰玛兴业有限公司 | Fire retardant chemical composition |
| CN106853281A (en) * | 2016-11-25 | 2017-06-16 | 南阳师范学院 | Carbon dioxide colloidal foam extinguishing chemical and its compound method |
| CN107050699A (en) * | 2016-12-30 | 2017-08-18 | 李小波 | A kind of application of alkali swollen thickener and its application apparatus |
| CN109422854A (en) * | 2017-08-24 | 2019-03-05 | 南京理工大学 | High-molecular gel suitable for A class and B class fire extinguishing chemical |
| CN110478843A (en) * | 2019-08-19 | 2019-11-22 | 江西科技师范大学 | A kind of efficient expansion type cellulose family hydrogel extinguishing chemical |
| CN110935128A (en) * | 2019-12-04 | 2020-03-31 | 中国民用航空总局第二研究所 | Fireproof cooling hydrogel and preparation method thereof |
| CN113388299A (en) * | 2020-03-11 | 2021-09-14 | 中国石油化工股份有限公司 | Cooling and heat insulating material composition, cooling and heat insulating material and application thereof |
| CN113388300A (en) * | 2020-03-11 | 2021-09-14 | 中国石油化工股份有限公司 | Cooling and heat insulating material composition, cooling and heat insulating material and application thereof |
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| CN110124245B (en) * | 2019-06-04 | 2021-01-22 | 北京理工大学 | Foaming alginate hydrogel fire extinguishing agent, preparation method thereof and fire extinguishing device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316281A (en) * | 2001-04-18 | 2001-10-10 | 丛德伟 | Fire-extinguishing agent |
| EP1651315B1 (en) * | 2003-07-23 | 2007-05-02 | Basf Aktiengesellschaft | Fire control composition and method |
| CN100444912C (en) * | 2004-01-14 | 2008-12-24 | 浙江大学 | High water absorption resin water suction gel fire extinguisher and its application |
-
2009
- 2009-04-30 CN CN 200910136124 patent/CN101874917B/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103740212B (en) * | 2013-12-31 | 2016-07-06 | 华电电力科学研究院 | A kind of chemical fire retardant preventing and treating power plant's brown coal spontaneous combustion |
| CN103740212A (en) * | 2013-12-31 | 2014-04-23 | 华电电力科学研究院 | Chemical fire retardant for controlling spontaneous combustion of lignite of power plant |
| CN106823228B (en) * | 2015-12-03 | 2020-08-11 | 泰玛兴业有限公司 | Fire retardant composition |
| CN106823228A (en) * | 2015-12-03 | 2017-06-13 | 泰玛兴业有限公司 | Fire retardant chemical composition |
| CN106039625A (en) * | 2016-06-21 | 2016-10-26 | 山东创能机械科技有限公司 | Water extinguishing agent and extinguishing method combing water extinguishing agent and fire-fighting unmanned aerial vehicle |
| CN106111027A (en) * | 2016-06-21 | 2016-11-16 | 山东创能机械科技有限公司 | Naval vessel water cannon sea water additive and charging system |
| CN106111027B (en) * | 2016-06-21 | 2019-03-19 | 山东创能机械科技有限公司 | Naval vessel water cannon seawater additive and charging system |
| CN106621160A (en) * | 2016-11-22 | 2017-05-10 | 闫博文 | Preparation method of film-forming compact fire-extinguishing material |
| CN106853281A (en) * | 2016-11-25 | 2017-06-16 | 南阳师范学院 | Carbon dioxide colloidal foam extinguishing chemical and its compound method |
| CN106853281B (en) * | 2016-11-25 | 2017-11-14 | 南阳师范学院 | Carbon dioxide colloidal foam extinguishing chemical and its compound method |
| CN106730566A (en) * | 2016-12-21 | 2017-05-31 | 蚌埠市龙泰消防有限公司 | A kind of protein foam fire-fighting medicament and preparation method thereof |
| CN107050699A (en) * | 2016-12-30 | 2017-08-18 | 李小波 | A kind of application of alkali swollen thickener and its application apparatus |
| CN109422854A (en) * | 2017-08-24 | 2019-03-05 | 南京理工大学 | High-molecular gel suitable for A class and B class fire extinguishing chemical |
| CN110478843A (en) * | 2019-08-19 | 2019-11-22 | 江西科技师范大学 | A kind of efficient expansion type cellulose family hydrogel extinguishing chemical |
| CN110935128A (en) * | 2019-12-04 | 2020-03-31 | 中国民用航空总局第二研究所 | Fireproof cooling hydrogel and preparation method thereof |
| CN110935128B (en) * | 2019-12-04 | 2021-09-17 | 中国民用航空总局第二研究所 | Fireproof cooling hydrogel and preparation method thereof |
| CN113388299A (en) * | 2020-03-11 | 2021-09-14 | 中国石油化工股份有限公司 | Cooling and heat insulating material composition, cooling and heat insulating material and application thereof |
| CN113388300A (en) * | 2020-03-11 | 2021-09-14 | 中国石油化工股份有限公司 | Cooling and heat insulating material composition, cooling and heat insulating material and application thereof |
| CN113388300B (en) * | 2020-03-11 | 2022-06-17 | 中国石油化工股份有限公司 | Cooling and heat insulating material composition, cooling and heat insulating material and application thereof |
| CN113388299B (en) * | 2020-03-11 | 2022-06-17 | 中国石油化工股份有限公司 | Cooling and heat insulating material composition, cooling and heat insulating material and application thereof |
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| CN101874917B (en) | 2013-03-20 |
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