WO2015051917A1 - Agent d'extinction d'incendie liquide et procédé de production dudit agent d'extinction - Google Patents

Agent d'extinction d'incendie liquide et procédé de production dudit agent d'extinction Download PDF

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Publication number
WO2015051917A1
WO2015051917A1 PCT/EP2014/002742 EP2014002742W WO2015051917A1 WO 2015051917 A1 WO2015051917 A1 WO 2015051917A1 EP 2014002742 W EP2014002742 W EP 2014002742W WO 2015051917 A1 WO2015051917 A1 WO 2015051917A1
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WO
WIPO (PCT)
Prior art keywords
fire
solution
water
urea
salt
Prior art date
Application number
PCT/EP2014/002742
Other languages
German (de)
English (en)
Inventor
Jens V. HABERMANN
Dmitri N MITJUSCHOW
Anatoly T KOPANEV
Original Assignee
Habermann Jens V
Mitjuschow Dmitri N
Kopanev Anatoly T
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 Habermann Jens V, Mitjuschow Dmitri N, Kopanev Anatoly T filed Critical Habermann Jens V
Publication of WO2015051917A1 publication Critical patent/WO2015051917A1/fr

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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
    • A62D1/0035—Aqueous solutions

Definitions

  • the invention relates to a liquid fire-extinguishing agent and a method for the production thereof.
  • the invention belongs to the flame retardant (impregnation) and fire extinguishing water solutions for the extinguishment of class A and B fires.
  • water is the fire extinguishing agent used most as a fire extinguishing agent.
  • the advantages of water as a fire extinguishing agent are considerable heat capacity, high latent heat of vaporization, fluidity, chemical neutrality and non-toxicity. At very high temperatures, however, water vapor can decompose with a hydrogen splitting.
  • the fire-extinguishing power of water is caused by the following effects: cooling effect, dilution of the combustible medium, accumulation of vapors during evaporation of water and mechanical action on the burning material, ie flame-rupture.
  • the fire extinguishing agent is supplemented with smoldering fire with various additives in order to increase the fire extinguishing effect.
  • additives include, in particular, surface-active substances and foaming agents as well as numerous wetting agents.
  • sulfamic acid is, among many other uses also the use in (powdered) fire extinguishing agents (for freeing carbon dioxide from carbonates) or Production of flame retardants pointed out.
  • mixtures of the surfactants must be prepared (Solutions B, C, D) since the fatty acid ethers do not mix with the water. Immediately before use, the solutions A + B, A + C, A + D are then mixed.
  • US 2212152 also describes a fire-extinguishing aqueous solution containing urea and sulfamic acid.
  • a disadvantage is the complex treatment process with control of the temperature parameters during the process.
  • toxic gases and water-insoluble substances (melamine and cyanuric acid) are formed during reprocessing, which necessitates filtration during the treatment of the solutions.
  • JP 2013104058 a fire-extinguishing agent in powder form is known, which in addition to sulfamic acid salt also contains an alkali metal salt. Since there are fundamentally other problems with extinguishing powders compared to extinguishing liquids, however, no transferability can be derived from this and no usable information for the Suitability of one or more specific salts or esters of this acid for use in an aqueous fire-retardant.
  • the closest prior art (RU 2 418 61 1 C1) to the invention is a fire extinguishing composition containing urea, ammonium sulfate and sodium bicarbonate surfactant (s), ammonium silicate, ammonium chloride, sodium sulfate, alunite and fatty acids.
  • the composition is a powder which is dissolved in water. It contains a propellant and is used as a foam.
  • This combined fire extinguishing composition is capable of stopping the burning of various materials thanks to the combined action of certain fire stopping mechanisms. It involves three out of four extinguishing mechanisms known in practice: cooling, thinning and asphyxiation of the firing range.
  • the cited prior art has an inadequate efficiency in firefighting, because it does not cover the main fire-stopping process, namely inhibition.
  • the object underlying the invention was a fire extinguishing agent with an improved fire-extinguishing effect and a fire-retardant effect.
  • the process for producing the fire-extinguishing agent should be less complicated than the processes known in the prior art.
  • the invention relates to water-based fire-retardant and fire-extinguishing agents to extinguish the burning of substances, especially with a porous structure.
  • the main ingredients of the multi-effect fire-extinguishing liquid are sulphamic acid salt, Urea, and alkali salt, such as or carbonate and bicarbonate, phosphate of potassium and sodium.
  • the combination of alkali salts with sulfamic acid salt and urea has the surprising technical effect that the salts penetrating into the pores of the burning material create conditions to displace oxygen from the pores of the burning material, thus improving the efficiency of the fire-retardant (condensed) effluent Phase and in the flame phase) as well as to achieve an improved fire extinguishing effect.
  • the fire-extinguishing solution according to the invention is thus particularly suitable for combustible substances with a porous structure.
  • the sulfamic acid salt should preferably be ammonium sulfamate formed from amidosulfonic acid and ammonia.
  • Ammonium sulfamate belongs to the category of fire-retardant preparations and contributes to the effective penetration of ammonium salts into the pores of burning, smoldering substances. However, it has no gas phase inhibitory power.
  • the invention solves the problem of fire retardation in the condensed phase and inhibition in the flame phase. This requires a high efficiency of both the fire-protecting and the fire-extinguishing properties of this liquid.
  • ammonium salts are readily soluble in water. In the water solutions they are exposed to hydrolysis. Therefore, the ammonium salt solutions of strong acids have a pronounced acid reaction:
  • the inhibiting effect of the alkaline additives is due to the fact that the most important chain carrier in the development of the chain reaction during combustion is the OH radical.
  • the alkaline medium (for example, water with the additives soluble in it at pH values of the medium of 8 to 9) is most similar to this OH radical and thus is able to inhibit the reaction in the flame by removing the OH radicals be destroyed.
  • the urea trimerization temperature is above 250 ° C.
  • the melting temperature of cyanuric acid is 360 ° C. This causes a simultaneous charring.
  • Sulfamic acid M 97.09 g / mol
  • P 28% ammonia solution 0.8980 g / ml.
  • the solution contains about 0.25 g of ammonia in 1 ml.
  • a sulfamic acid urea salt is formed. Thereafter, a mixture of ammonium sulfamate, urea sulfamate and urea is formed. At this pH should be checked.
  • Elemental analysis of the fire extinguishing agent During the atomization of the extinguishing aerosol in the flame, the solution is dehydrated in the hot fire area or on the heated surfaces, so that salt crystals are formed. Thereafter, an elemental analysis of the residue was made. The fire-extinguishing solution was filled in a dish. After evaporation of water, the residue was analyzed by scanning electron microscope.
  • Thermoanalytical measurements During spectral processing, the peaks of 0, 143, 0.940, 8.048 keV were omitted.
  • the last two lines refer to the atomic lines of copper, the thin film of which has been deposited like a film on the sample to allow scanning in the EM.
  • the first peak (refers to) small amounts of atoms of an alkali metal or boron. In terms of the peak ratio, ammonium sulfate is the most likely raw material. Thermoanalytical measurements
  • DTA-MS differential thermal analysis mass spectrometry
  • Ammonium sulfamate NH 4 (S0 3 NH 2 ) Melting point 125 ° C; Removal start at 160 ° C.
  • the identified ingredients are ammonium amidosulfate and possibly a mixture of potassium and sodium carbonates or hydrocarbonates, and possibly a sulfate admixture.
  • FIGS. 7 and 8 show the burning rate of the methane-air mixture. This can be seen in FIGS. 7 and 8. These figures contain test results for flames that are close to stoichiometry. From the figures it can be seen that the flame propagation Speed is further reduced after salt addition to the water. Since the salt is a solid aerosol, the rate is given in mg / m 3 . The water is completely evaporated and is given in volume percent. Fig. 7 shows the dependence of the burning rate of water vapor.
  • the fat flame spreads with predominant heat mechanism. Therefore, the influence of salts is less significant than the influence of water vapor. After all, the burning rate is just as intense with an increase in the concentration of additives.
  • the 8% concentration of the liquid solution at the phlegmatizing tip is 240 g / m 3 .
  • the fire-extinguishing mass concentration of the solution with a 30% active ingredient content is about 40 g / m 3 . That's six times more effective than water.
  • compositions in the form of multi-component water solutions comprising nitrogen-containing compounds are known in the art: ammonium phosphate and bisphosphate salts, ammonium sulfate, urea, and some other components (UK Patent 2301,122, A62D 1/00, D06M 1 1 / 79, publication date 27.1 1.1996); Tris-aziridinil-phosphine oxide, cyanamide, ammonium salts of phosphoric, amidosulfonic, sulfuric or hydrochloric acid (Patent Application DE 2028999, D06M 13/00, 16.12.1971).
  • the multicomponent composition of the preparations causes their increase in cost and a difficulty in the production process.
  • the ammonium sulfamate is used as a combustion retarder in paper treatment compositions. It is usually added with the addition of used to remove such deficiencies of products treated with ammonium sulphamate solution, such as loss of strength, insufficient penetration of the solution into the products, discolouration of the products, simple leaching of the preparations from capillaries and a lack of gas shielding of the products.
  • the invention solves the problem of fire retardation in the condensed phase and inhibition in the flame phase. This requires a high efficiency of both the fire-protecting and the fire-extinguishing properties of this liquid.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fireproofing Substances (AREA)

Abstract

L'invention concerne un procédé permettant d'augmenter l'efficacité utile d'un liquide d'extinction d'incendie d'une solution aqueuse avec du sulfamate d'ammonium, de l'acide sulfamique, de l'urée, de l'ammoniac, des sels alcalins tels que carbonates, bicarbonates et phosphates de kalium et de sodium. Cet objectif est atteint en ce que les sels pénétrant dans les pores de la substance en feu créent des conditions permettant le refoulement de l'oxygène hors des pores de la substance en feu.
PCT/EP2014/002742 2013-10-09 2014-10-09 Agent d'extinction d'incendie liquide et procédé de production dudit agent d'extinction WO2015051917A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013111142.4A DE102013111142A1 (de) 2013-10-09 2013-10-09 Verfahren zur Nutzeffektsteigerung einer feuerlöschenden Flüssigkeit
DE102013111142.4 2013-10-09

Publications (1)

Publication Number Publication Date
WO2015051917A1 true WO2015051917A1 (fr) 2015-04-16

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PCT/EP2014/002742 WO2015051917A1 (fr) 2013-10-09 2014-10-09 Agent d'extinction d'incendie liquide et procédé de production dudit agent d'extinction

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DE (1) DE102013111142A1 (fr)
WO (1) WO2015051917A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10260232B1 (en) 2017-12-02 2019-04-16 M-Fire Supression, Inc. Methods of designing and constructing Class-A fire-protected multi-story wood-framed buildings
US10290004B1 (en) 2017-12-02 2019-05-14 M-Fire Suppression, Inc. Supply chain management system for supplying clean fire inhibiting chemical (CFIC) totes to a network of wood-treating lumber and prefabrication panel factories and wood-framed building construction job sites
US10311444B1 (en) 2017-12-02 2019-06-04 M-Fire Suppression, Inc. Method of providing class-A fire-protection to wood-framed buildings using on-site spraying of clean fire inhibiting chemical liquid on exposed interior wood surfaces of the wood-framed buildings, and mobile computing systems for uploading fire-protection certifications and status information to a central database and remote access thereof by firefighters on job site locations during fire outbreaks on construction sites
US10332222B1 (en) 2017-12-02 2019-06-25 M-Fire Supression, Inc. Just-in-time factory methods, system and network for prefabricating class-A fire-protected wood-framed buildings and components used to construct the same
US10430757B2 (en) 2017-12-02 2019-10-01 N-Fire Suppression, Inc. Mass timber building factory system for producing prefabricated class-A fire-protected mass timber building components for use in constructing prefabricated class-A fire-protected mass timber buildings
US10653904B2 (en) 2017-12-02 2020-05-19 M-Fire Holdings, Llc Methods of suppressing wild fires raging across regions of land in the direction of prevailing winds by forming anti-fire (AF) chemical fire-breaking systems using environmentally clean anti-fire (AF) liquid spray applied using GPS-tracking techniques
US10695597B2 (en) 2017-12-02 2020-06-30 M-Fire Holdings Llc Method of and apparatus for applying fire and smoke inhibiting compositions on ground surfaces before the incidence of wild-fires, and also thereafter, upon smoldering ambers and ashes to reduce smoke and suppress fire re-ignition
US10814150B2 (en) 2017-12-02 2020-10-27 M-Fire Holdings Llc Methods of and system networks for wireless management of GPS-tracked spraying systems deployed to spray property and ground surfaces with environmentally-clean wildfire inhibitor to protect and defend against wildfires
WO2022034580A1 (fr) * 2020-08-09 2022-02-17 Bioma Ltd Compositions de lutte contre l'incendie
US11395931B2 (en) 2017-12-02 2022-07-26 Mighty Fire Breaker Llc Method of and system network for managing the application of fire and smoke inhibiting compositions on ground surfaces before the incidence of wild-fires, and also thereafter, upon smoldering ambers and ashes to reduce smoke and suppress fire re-ignition
US11826592B2 (en) 2018-01-09 2023-11-28 Mighty Fire Breaker Llc Process of forming strategic chemical-type wildfire breaks on ground surfaces to proactively prevent fire ignition and flame spread, and reduce the production of smoke in the presence of a wild fire
US11836807B2 (en) 2017-12-02 2023-12-05 Mighty Fire Breaker Llc System, network and methods for estimating and recording quantities of carbon securely stored in class-A fire-protected wood-framed and mass-timber buildings on construction job-sites, and class-A fire-protected wood-framed and mass timber components in factory environments
US11865394B2 (en) 2017-12-03 2024-01-09 Mighty Fire Breaker Llc Environmentally-clean biodegradable water-based concentrates for producing fire inhibiting and fire extinguishing liquids for fighting class A and class B fires
US11865390B2 (en) 2017-12-03 2024-01-09 Mighty Fire Breaker Llc Environmentally-clean water-based fire inhibiting biochemical compositions, and methods of and apparatus for applying the same to protect property against wildfire
US11911643B2 (en) 2021-02-04 2024-02-27 Mighty Fire Breaker Llc Environmentally-clean fire inhibiting and extinguishing compositions and products for sorbing flammable liquids while inhibiting ignition and extinguishing fire

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US11633636B2 (en) 2017-12-02 2023-04-25 Mighty Fire Breaker Llc Wireless neighborhood wildfire defense system network supporting proactive protection of life and property in a neighborhood through GPS-tracking and mapping of environmentally-clean anti-fire (AF) chemical liquid spray applied to the property before wild fires reach the neighborhood
US10290004B1 (en) 2017-12-02 2019-05-14 M-Fire Suppression, Inc. Supply chain management system for supplying clean fire inhibiting chemical (CFIC) totes to a network of wood-treating lumber and prefabrication panel factories and wood-framed building construction job sites
US11638844B2 (en) 2017-12-02 2023-05-02 Mighty Fire Breaker Llc Method of proactively protecting property from wild fire by spraying environmentally-clean anti-fire chemical liquid on property surfaces prior to wild fire arrival using remote sensing and GPS-tracking and mapping enabled spraying
US10311444B1 (en) 2017-12-02 2019-06-04 M-Fire Suppression, Inc. Method of providing class-A fire-protection to wood-framed buildings using on-site spraying of clean fire inhibiting chemical liquid on exposed interior wood surfaces of the wood-framed buildings, and mobile computing systems for uploading fire-protection certifications and status information to a central database and remote access thereof by firefighters on job site locations during fire outbreaks on construction sites
US10332222B1 (en) 2017-12-02 2019-06-25 M-Fire Supression, Inc. Just-in-time factory methods, system and network for prefabricating class-A fire-protected wood-framed buildings and components used to construct the same
US10430757B2 (en) 2017-12-02 2019-10-01 N-Fire Suppression, Inc. Mass timber building factory system for producing prefabricated class-A fire-protected mass timber building components for use in constructing prefabricated class-A fire-protected mass timber buildings
US10653904B2 (en) 2017-12-02 2020-05-19 M-Fire Holdings, Llc Methods of suppressing wild fires raging across regions of land in the direction of prevailing winds by forming anti-fire (AF) chemical fire-breaking systems using environmentally clean anti-fire (AF) liquid spray applied using GPS-tracking techniques
US10695597B2 (en) 2017-12-02 2020-06-30 M-Fire Holdings Llc Method of and apparatus for applying fire and smoke inhibiting compositions on ground surfaces before the incidence of wild-fires, and also thereafter, upon smoldering ambers and ashes to reduce smoke and suppress fire re-ignition
US10814150B2 (en) 2017-12-02 2020-10-27 M-Fire Holdings Llc Methods of and system networks for wireless management of GPS-tracked spraying systems deployed to spray property and ground surfaces with environmentally-clean wildfire inhibitor to protect and defend against wildfires
US10899038B2 (en) 2017-12-02 2021-01-26 M-Fire Holdings, Llc Class-A fire-protected wood products inhibiting ignition and spread of fire along class-A fire-protected wood surfaces and development of smoke from such fire
US10919178B2 (en) 2017-12-02 2021-02-16 M-Fire Holdings, Llc Class-A fire-protected oriented strand board (OSB) sheathing, and method of and automated factory for producing the same
US10260232B1 (en) 2017-12-02 2019-04-16 M-Fire Supression, Inc. Methods of designing and constructing Class-A fire-protected multi-story wood-framed buildings
US11395931B2 (en) 2017-12-02 2022-07-26 Mighty Fire Breaker Llc Method of and system network for managing the application of fire and smoke inhibiting compositions on ground surfaces before the incidence of wild-fires, and also thereafter, upon smoldering ambers and ashes to reduce smoke and suppress fire re-ignition
US11400324B2 (en) 2017-12-02 2022-08-02 Mighty Fire Breaker Llc Method of protecting life, property, homes and businesses from wild fire by proactively applying environmentally-clean anti-fire (AF) chemical liquid spray in advance of wild fire arrival and managed using a wireless network with GPS-tracking
US11836807B2 (en) 2017-12-02 2023-12-05 Mighty Fire Breaker Llc System, network and methods for estimating and recording quantities of carbon securely stored in class-A fire-protected wood-framed and mass-timber buildings on construction job-sites, and class-A fire-protected wood-framed and mass timber components in factory environments
US10267034B1 (en) 2017-12-02 2019-04-23 M-Fire Suppression, Inc. On-job-site method of and system for providing class-A fire-protection to wood-framed buildings during construction
US11642555B2 (en) 2017-12-02 2023-05-09 Mighty Fire Breaker Llc Wireless wildfire defense system network for proactively defending homes and neighborhoods against wild fires by spraying environmentally-clean anti-fire chemical liquid on property and buildings and forming GPS-tracked and mapped chemical fire breaks about the property
US11654313B2 (en) 2017-12-02 2023-05-23 Mighty Fire Breaker Llc Wireless communication network, GPS-tracked ground-based spraying tanker vehicles and command center configured for proactively spraying environmentally-safe anti-fire chemical liquid on property surfaces to inhibit fire ignition and flame spread in the presence of wild fire
US11654314B2 (en) 2017-12-02 2023-05-23 Mighty Fire Breaker Llc Method of managing the proactive spraying of environment ally-clean anti-fire chemical liquid on GPS-specified property surfaces so as to inhibit fire ignition and flame spread in the presence of wild fire
US11697039B2 (en) 2017-12-02 2023-07-11 Mighty Fire Breaker Llc Wireless communication network, GPS-tracked back-pack spraying systems and command center configured for proactively spraying environmentally-safe anti-fire chemical liquid on property surfaces to inhibit fire ignition and flame spread in the presence of wild fire
US11697041B2 (en) 2017-12-02 2023-07-11 Mighty Fire Breaker Llc Method of proactively defending combustible property against fire ignition and flame spread in the presence of wild fire
US11697040B2 (en) 2017-12-02 2023-07-11 Mighty Fire Breaker Llc Wild fire defense system network using a command center, spraying systems and mobile computing systems configured to proactively defend homes and neighborhoods against threat of wild fire by spraying environmentally-safe anti-fire chemical liquid on property surfaces before presence of wild fire
US11707639B2 (en) 2017-12-02 2023-07-25 Mighty Fire Breaker Llc Wireless communication network, GPS-tracked mobile spraying systems, and a command system configured for proactively spraying environmentally-safe anti-fire chemical liquid on combustible property surfaces to protect property against fire ignition and flame spread in the presence of wild fire
US11730987B2 (en) 2017-12-02 2023-08-22 Mighty Fire Breaker Llc GPS tracking and mapping wildfire defense system network for proactively defending homes and neighborhoods against threat of wild fire by spraying environmentally-safe anti-fire chemical liquid on property surfaces to inhibit fire ignition and flame spread in the presence of wild fire
US11794044B2 (en) 2017-12-02 2023-10-24 Mighty Fire Breaker Llc Method of proactively forming and maintaining GPS-tracked and mapped environmentally-clean chemical firebreaks and fire protection zones that inhibit fire ignition and flame spread in the presence of wild fire
US11865394B2 (en) 2017-12-03 2024-01-09 Mighty Fire Breaker Llc Environmentally-clean biodegradable water-based concentrates for producing fire inhibiting and fire extinguishing liquids for fighting class A and class B fires
US11865390B2 (en) 2017-12-03 2024-01-09 Mighty Fire Breaker Llc Environmentally-clean water-based fire inhibiting biochemical compositions, and methods of and apparatus for applying the same to protect property against wildfire
US11826592B2 (en) 2018-01-09 2023-11-28 Mighty Fire Breaker Llc Process of forming strategic chemical-type wildfire breaks on ground surfaces to proactively prevent fire ignition and flame spread, and reduce the production of smoke in the presence of a wild fire
WO2022034580A1 (fr) * 2020-08-09 2022-02-17 Bioma Ltd Compositions de lutte contre l'incendie
US11911643B2 (en) 2021-02-04 2024-02-27 Mighty Fire Breaker Llc Environmentally-clean fire inhibiting and extinguishing compositions and products for sorbing flammable liquids while inhibiting ignition and extinguishing fire

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