EP2004295B1 - Composition pour lutter contre le feu et formulation de ladite composition - Google Patents

Composition pour lutter contre le feu et formulation de ladite composition Download PDF

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Publication number
EP2004295B1
EP2004295B1 EP07788949A EP07788949A EP2004295B1 EP 2004295 B1 EP2004295 B1 EP 2004295B1 EP 07788949 A EP07788949 A EP 07788949A EP 07788949 A EP07788949 A EP 07788949A EP 2004295 B1 EP2004295 B1 EP 2004295B1
Authority
EP
European Patent Office
Prior art keywords
compound
composition
fire fighting
water
powder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP07788949A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2004295A2 (fr
Inventor
Marc Lanciaux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BIO CREATION
Original Assignee
BIO CREATION
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BIO CREATION filed Critical BIO CREATION
Priority to PL07788949T priority Critical patent/PL2004295T3/pl
Publication of EP2004295A2 publication Critical patent/EP2004295A2/fr
Application granted granted Critical
Publication of EP2004295B1 publication Critical patent/EP2004295B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A62D1/005—Dispersions; Emulsions
    • 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
    • A62D1/0007—Solid extinguishing substances
    • A62D1/0014—Powders; Granules

Definitions

  • the present invention relates to a fire-fighting composition and formulations of this composition.
  • Runoff linked to a low coefficient of wettability, leads the water to the ground and it infiltrates rapidly, especially in the case of forest fires whose soils are not very watertight.
  • water additives including so-called retardant additives and dyes to determine areas already treated.
  • Such additives are intended to improve the wettability by modifying the surface tension, to limit the evaporation, to increase the viscosity.
  • additives may be accompanied by oxygen scavengers, foaming agents. These additives do little to alter the losses by runoff and it has been found that the evaporation, delayed initially, can develop abruptly with sudden steam releases.
  • the foaming agents must also be used in small amounts so that the protective layer is not strong in the long term because the gas contained in the bubbles, expanding with heat, destructure the foam. As for the amount of water resulting after destructuring, it is necessarily very limited in the case of a foam.
  • Very low solids gelling agents 0.01% by weight, have also been added to increase the viscosity, which has an effect on the runoff but they do not change the rate of evaporation.
  • the currently used gelling agents are fluidized in contact with fire and the dry matter content is too low to have an effect.
  • Gelling agents are not very compatible with saline water such as seawater, which is also a disadvantage.
  • the mode of application is also important because the water additive as used does not allow the use of the projection under medium pressure, that is to say in the range 30 to 200 bar, the yields being considered as insufficient. In fact, fine spraying increases evaporation in the aerial phase.
  • the medium pressure leads to improve the precision of application, limits the amount of water used and increases the power and current enrobant, always provided they can be removed from the home, which is currently difficult for the reasons indicated below. before.
  • the present invention aims to overcome these drawbacks and in particular avoids any impact on the natural environment, increases the extinguishing capacity even after evaporation and contains the ability to flame back the home, ballast the incandescent particles in post combustion, gives a visual contrast on the treated areas without adding dyes, allows a vertical grip, promotes the application capacity.
  • composition according to the present invention can also be formulated in different ways depending on the applications either for spraying, in particular at medium pressure or for the production of barriers.
  • the first compound in the form of a powder, is more particularly chosen from: guar flour, carob flour, modified starches, alginates.
  • This first compound must be free of oils and / or essences.
  • This first thickening compound is intended to maintain, in the composition, the insoluble particles in suspension to obtain a homogeneity of the medium.
  • the amount of the first compound is adapted according to the size of the particles to be kept in suspension, thus able to avoid settling.
  • such a first compound is non-foaming and soluble including in salt water.
  • the second compound in the form of a powder, is more particularly chosen from native starches and more particularly from native starches rich in phosphates and more particularly among potato starches.
  • the native starch consists of at least two polymers: amylose and amylopectin, and the structure is in the form of grains with grain sizes of a few microns to a few tens of microns.
  • the organization of the network in crystalline form renders the native starch insoluble.
  • the interest is to retain native starch which has large grains, which is the case of native starch potatoes, potato starch.
  • the dimensions in the high range help to limit the evaporation during the different stages by decreasing the surface area for the same quantity and also increases the projection distance by increasing the kinetic energy.
  • Native starch has especially the ability to be soluble in a fluid temperature from 65 ° C, hot water or steam for example. In addition, this starch simultaneously becomes thickening and swelling under these conditions.
  • the third compound comprises at least one agent promoting the Maillard reaction of the at least first and second compounds: this third compound is sodium chloride.
  • Sodium chloride promotes the transformation of sugars and carbonization. Sodium chloride is added or at least partly naturally present if the water used is seawater.
  • sodium chloride has natural fireproofing qualities that are also used.
  • This third compound also contributes, by a synergistic effect, to increase the water retention capacity of the at least first and second compounds.
  • composition according to the invention can be improved by adding certain other compounds.
  • the composition is supplemented with a fourth compound, which is soluble in water and film-forming.
  • This fourth compound is a natural film-forming agent.
  • This fourth compound consists of a protein powder, for example egg white powder or alginates with a thermo-gelation range of about 65 ° C.
  • This fourth compound thus provides some encapsulation and binds the grains of the second compound during swelling under the effect of heat, leading to the production of a foam generated by the steam at the beginning of the thermal exposure.
  • This fourth compound can also be carbonized from the Maillard reaction, further improving the previously described effects.
  • the composition includes a fifth compound which is a ballast compound, which is insoluble and dissolvable.
  • This fifth compound is chosen from mineral powders and more particularly clay powders, especially white clay powders.
  • This fifth compound is optional and is of interest only in the case of fire-generating fireplaces, for example forest fires.
  • the clay powders are the least mechanically aggressive. If these powders are white clay powders, the zones treated with the composition according to the invention are visually identifiable.
  • the ballast avoids the propagation by the sparks from the combustion of parts of the support.
  • a composition is thus obtained, the respective amounts of a particular embodiment of which can be specified, amounts given for 1 liter for medium-pressure spraying, 30 to 120 bar. It is noted that this spraying is possible since there is no foaming agent, also avoiding any cavitation or defusing pumps.
  • composition can be used both in direct attack of the home, in prevention or by delaying.
  • the first compound retained is guar flour at a rate of 3 to 14 grams.
  • the second compound selected is potato starch at a rate of 20 to 30 grams.
  • the third compound retained is sodium chloride in a proportion of 10 to 14 grams.
  • the fourth compound retained is egg white powder at 0.2 to 2 grams.
  • the fifth compound retained is clay powder at 5 to 40 grams.
  • the composition according to the invention carbonizes and swells to a thickness of several millimeters, eight to nine millimeters to further specify the thicknesses achieved.
  • This composition is scraped after removing the exposure of the support to the flame to reveal the wood support intact, free of any trace of carbonization.
  • composition can be used to attack a fire directly on the fire to ensure its extinction but also prevention or delay.
  • This composition can be formulated in liquid form as indicated and be applied by spraying using known means of firefighting.
  • composition can also be formulated in solid form, more particularly in gel form.
  • composition according to the invention makes it possible to produce gel ribbons, gel balls or even gel blocks.
  • an armature may be added to provide better mechanical performance, in particular for making web rolls and for easy handling.
  • One side may also be coated with a reflector, better still light in color, on the one hand to limit evaporation and on the other hand to reflect the heat.
  • a reflector better still light in color
  • Such tape can be unwound and placed as a retarder to limit the spread of a fire. As soon as the fire approaches and the temperature rises, the composition reacts as in the case of the liquid composition and forms a total barrier to propagation.
  • the gel balls can be projected at long distances mechanically, with great precision, by any suitable means.
  • Another formulation may be a granulation of this gel and a distribution by means such as road salting machines thus ensuring the formation of cords.
  • a gelling agent which has thermo-liquefaction properties such as gelatin of animal origin.
  • gelatin with a bloom degree of 200 to 300 blooms is used to achieve the appropriate viscosity and the suitable melting temperature.
  • composition according to the present invention leads to extremely high performances.
  • the composition according to the invention comprises from 44 to 150 grams of dry matter per liter of composition.
  • aqueous composition according to the present invention it would be 20 m3 of water or 20 000 kg of water.
  • the load to be transported is therefore extremely reduced, as is the volume.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Dispersion Chemistry (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Fireproofing Substances (AREA)
  • Paints Or Removers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Medicinal Preparation (AREA)
EP07788949A 2006-04-13 2007-04-13 Composition pour lutter contre le feu et formulation de ladite composition Not-in-force EP2004295B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07788949T PL2004295T3 (pl) 2006-04-13 2007-04-13 Kompozycja do walki z ogniem i formulacja tej kompozycji

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0603275A FR2899818B1 (fr) 2006-04-13 2006-04-13 Solution aqueuse a forte teneur en matieres seches pour la lutte contre des incendies
PCT/FR2007/051113 WO2007122342A2 (fr) 2006-04-13 2007-04-13 Composition pour lutter contre le feu et formulations de ladite composition

Publications (2)

Publication Number Publication Date
EP2004295A2 EP2004295A2 (fr) 2008-12-24
EP2004295B1 true EP2004295B1 (fr) 2011-03-23

Family

ID=36437024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07788949A Not-in-force EP2004295B1 (fr) 2006-04-13 2007-04-13 Composition pour lutter contre le feu et formulation de ladite composition

Country Status (17)

Country Link
US (1) US7922928B2 (ja)
EP (1) EP2004295B1 (ja)
JP (1) JP2009533118A (ja)
AR (1) AR060452A1 (ja)
AT (1) ATE502682T1 (ja)
AU (1) AU2007242620A1 (ja)
BR (1) BRPI0709509A2 (ja)
CA (1) CA2649236A1 (ja)
DE (1) DE602007013374D1 (ja)
DK (1) DK2004295T3 (ja)
ES (1) ES2363257T3 (ja)
FR (1) FR2899818B1 (ja)
PL (1) PL2004295T3 (ja)
PT (1) PT2004295E (ja)
RU (1) RU2438741C2 (ja)
WO (1) WO2007122342A2 (ja)
ZA (1) ZA200809640B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109701198A (zh) * 2019-01-10 2019-05-03 北京理工大学 一种即配型可自然降解海藻酸钠水凝胶灭火剂及其使用方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8192653B2 (en) 2009-09-30 2012-06-05 EarthCleanCorporation Fire suppression biodegradable suspension forming compositions
WO2011127037A1 (en) 2010-04-05 2011-10-13 Earthclean Corporation Non-aqueous fire suppressing liquid concentrate
WO2013025954A2 (en) * 2011-08-16 2013-02-21 Sinclair Dan Dwight Fire, dust and erosion suppression product and method
DE102013112062A1 (de) * 2013-11-01 2015-05-07 Viktor Bauf Brandmindernde oder brandlöschende Zusammensetzung und deren Verwendung
DE102013112063A1 (de) * 2013-11-01 2015-05-07 Viktor Bauf Brandschutz- oder brandhemmende Zusammensetzung und deren Verwendung
RU2605056C1 (ru) * 2015-06-29 2016-12-20 Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Ивановская Пожарно-Спасательная Академия Государственной Противопожарной Службы Министерства Российской Федерации По Делам Гражданской Обороны, Чрезвычайным Ситуациям И Ликвидации Последствий Стихийных Бедствий" (Ф Огнетушащий порошок многоцелевого назначения
CA3120661A1 (en) * 2018-11-21 2020-05-28 Firerein Inc. Fire suppressing pellets

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FR1485729A (fr) * 1966-05-13 1967-06-23 Carbonisation Charbons Actifs Procédé de mise en solution des colloïdes organiques hydrophiles
JPS5846968A (ja) * 1981-09-14 1983-03-18 株式会社初田製作所 消火用濃厚液
US4459213A (en) * 1982-12-30 1984-07-10 Secom Co., Ltd. Fire-extinguisher composition
US4610311A (en) * 1983-02-15 1986-09-09 Sanitek Products, Inc. Method for reducing the aerial drift of aqueous preparations
US4950410A (en) * 1988-12-30 1990-08-21 United American, Inc. Fire extinguishing compositions and methods
AU1184392A (en) * 1991-02-05 1992-09-07 Jurgen Buil Fire extinguishing and protection agent
FR2690627A1 (fr) * 1992-04-30 1993-11-05 Lafarge Nouveaux Materiaux Compositions utiles à la prévention et/ou à la lutte contre le feu.
DE4343728C2 (de) * 1993-12-21 1997-04-24 Gernot Dr Loehnert Verfahren zur Herstellung von verdicktem Wasser und seine Verwendung
US6780991B2 (en) * 2000-11-28 2004-08-24 Astaris Llc Biopolymer thickened fire retardant compositions
US7569155B2 (en) * 2001-12-07 2009-08-04 Solberg Scandinavian A/S Aqueous foaming composition
WO2006042064A2 (en) * 2004-10-11 2006-04-20 Hagquist James Alroy E Composition inhibiting the expansion of fire, suppressing existing fire, and methods of manufacture and use thereof
DE102004056830A1 (de) * 2004-11-24 2006-06-08 Basf Ag Brandlöschende und/oder brandhemmende Zusammensetzungen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109701198A (zh) * 2019-01-10 2019-05-03 北京理工大学 一种即配型可自然降解海藻酸钠水凝胶灭火剂及其使用方法

Also Published As

Publication number Publication date
US7922928B2 (en) 2011-04-12
US20090146097A1 (en) 2009-06-11
EP2004295A2 (fr) 2008-12-24
FR2899818B1 (fr) 2009-05-15
RU2008144354A (ru) 2010-05-20
ZA200809640B (en) 2009-11-25
BRPI0709509A2 (pt) 2011-07-19
PL2004295T3 (pl) 2011-08-31
DK2004295T3 (da) 2011-07-18
RU2438741C2 (ru) 2012-01-10
AR060452A1 (es) 2008-06-18
CA2649236A1 (fr) 2007-11-01
FR2899818A1 (fr) 2007-10-19
WO2007122342A2 (fr) 2007-11-01
DE602007013374D1 (de) 2011-05-05
ATE502682T1 (de) 2011-04-15
ES2363257T3 (es) 2011-07-28
JP2009533118A (ja) 2009-09-17
PT2004295E (pt) 2011-07-01
WO2007122342A3 (fr) 2008-09-12
AU2007242620A1 (en) 2007-11-01

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