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EP2533864A1 - Agent d'extinction - Google Patents

Agent d'extinction

Info

Publication number
EP2533864A1
EP2533864A1 EP10799020A EP10799020A EP2533864A1 EP 2533864 A1 EP2533864 A1 EP 2533864A1 EP 10799020 A EP10799020 A EP 10799020A EP 10799020 A EP10799020 A EP 10799020A EP 2533864 A1 EP2533864 A1 EP 2533864A1
Authority
EP
European Patent Office
Prior art keywords
extinguishing agent
water
soluble salt
extinguishing
fire
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.)
Granted
Application number
EP10799020A
Other languages
German (de)
English (en)
Other versions
EP2533864B1 (fr
Inventor
Thomas Woehrle
Stephan Leuthner
Rainer Kern
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.)
Robert Bosch GmbH
Samsung SDI Co Ltd
Original Assignee
SB LiMotive Germany GmbH
SB LiMotive Co Ltd
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 SB LiMotive Germany GmbH, SB LiMotive Co Ltd filed Critical SB LiMotive Germany GmbH
Publication of EP2533864A1 publication Critical patent/EP2533864A1/fr
Application granted granted Critical
Publication of EP2533864B1 publication Critical patent/EP2533864B1/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
    • A62D1/0064—Gels; Film-forming compositions
    • 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
    • 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

Definitions

  • the present invention relates to an extinguishing agent, a process for the production, a fire-fighting system with this extinguishing agent and a use of this extinguishing agent for fire fighting and fire prevention, especially in lithium-ion batteries.
  • DE 40 12 549 A1 discloses a method for controlling and extinguishing fires and a device for its implementation, with the help of which, based on the wet quenching an improved extinguishing effect in reducing the caused by the deletion
  • calcium precipitation products and / or particularly activated calcium carbonate that is, especially finely ground or finely divided, umweit- and health-compatible
  • lithium-ion cell battery, system, battery systems are used synonymously below. It is a galvanic with a lithium-ion cell
  • Meant element which contains at least one electrode which can reversibly take out or store lithium ions.
  • a leak or a fire causes a lithium-ion systems
  • an extinguishing agent is provided from a suspension which comprises at least water, a sparingly water-soluble salt with an alkaline earth metal cation and a water thickener.
  • the sparingly soluble salt with an alkaline earth metal cation also binds phosphorus trifluoride, phosphoric acid and hydrogen fluoride.
  • the finely divided in the water, suspended powder also exerts beneficial in Unlike dissolved salts, such as calcium chloride CaCl 2 no competitive interaction with the gelling agent, which would be a cooling effect of the extinguishing agent would be reduced.
  • the water thickener causes an increase in viscosity and a
  • the extinguishing agent according to the invention therefore has a gel-like consistency. This is advantageous an ineffective
  • the gelling agent itself and the sparingly soluble suspended powder are stably and evenly distributed in this gel-type extinguishing agent.
  • the extinguishing agent according to the invention can be advantageously adapted to a particular application.
  • An example of this prior art is the
  • extinguishing agent according to the invention can also be used in a wide variety of extinguishing systems, for example in stationary high-pressure mist systems for lithium-ion test rigs, portable fire extinguishers or transport containers from which extinguishing agents are dispensed in a hazardous situation.
  • the calcium carbonate (CaC0 3 ) is the sparingly soluble salt with an alkaline earth metal cation.
  • calcium carbonate or lime is advantageously used a comparatively inexpensive and environmentally friendly substance.
  • calcium carbonate binds hydrogen fluoride (HF) to form calcium sparingly soluble in water (CaF 2 ).
  • the extinguishing agent with a proportion of between 5 wt.% And 30 wt.%
  • Fire fighting or fire prevention advantageously provides a lot of reactive, poorly soluble salt, with almost all pollutants, such as
  • the sparingly soluble salt has an average particle size between 0.2 ⁇ m and 10 ⁇ m. This advantageously provides a grain size of the sparingly soluble salt with which the sparingly soluble salt has an optimally large surface in order to rapidly bind the harmful species by chemical reaction.
  • the extinguishing agent according to the invention is preferably implemented in all its embodiments in a firefighting system.
  • a firefighting system is likewise provided, with an extinguishing agent of the type described above.
  • This advantageously provides a system by means of which lithium-ion systems can also be extinguished effectively and in an environmentally sound manner.
  • a method for producing the extinguishing agent and a use of an extinguishing agent of the type mentioned above are also provided. This is advantageous for use in firefighting and
  • a lithium-ion battery is extinguished. This advantageously prevents hazardous substances such as phosphorus trifluoride (POF 3 ), phosphoric acid (H 3 P0 4 ) or hydrogen fluoride (HF) from entering the environment. Due to the use of sparingly soluble salt with alkaline earth metal cation is after a deletion process, no free fluoride anion in
  • the extinguishing agent according to the invention is based on water, as a base, a sparingly water-soluble salt with an alkaline earth metal cation, such as a carbonate, for example, resulting hydrogen fluoride or else
  • Phosphorus trifluoride (POF 3 ) by a chemical reaction, and on a thickener, whereby the extinguishing agent receives a higher viscosity and thus a gel-like consistency.
  • a water-based gel has an increased cooling effect. This results from the fact that the water molecules are held in some degree by interaction with the gelling agent and can be separated only by additional energy supply.
  • the thickener can be used as the thickener.
  • the viscosity of the extinguishing agent according to the invention can be adapted to the respective application.
  • protective layers of the extinguishing agent which are arranged as a precaution in containers for safety, have a greater viscosity in order to facilitate the handling of such containers, and sprayed extinguishing agent can be compared to obtain a lower viscosity in order to ensure good sprayability.
  • the average particle diameter of the salt is between 0.2 ⁇ m and 10 ⁇ m, preferably 1 to 2 ⁇ m, and is added to the extinguishing agent in a proportion of between 5% by weight and 30% by weight, preferably 15% by weight.
  • Other salts with the cations are also according to the invention Magnesium (Mg), Calcium (Ca), Strontium (Sr) of the 2nd main group of the
  • the grain size By reducing the grain size, the surface area available for reactions and thus the reactivity can be increased. With a particle size between 0.2 ⁇ and 10 ⁇ an optimal size is achieved to quickly bind resulting hydrogen fluoride and other hazardous substances.

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)

Abstract

La présente invention concerne un agent d'extinction, un procédé de fabrication, une installation de lutte contre l'incendie pourvue de cet agent d'extinction et une utilisation de cet agent d'extinction aux fins de prévention et de lutte contre l'incendie, en particulier dans le cas de batteries lithium-ion. A cet effet, un agent d'extinction est obtenu à partir d'une suspension contenant au moins de l'eau, un sel difficilement soluble dans l'eau et contenant un cation des éléments calcium, magnésium, strontium, et un agent épaississant l'eau. L'invention concerne également une installation de lutte contre l'incendie pourvue dudit agent d'extinction et une utilisation du type d'agent d'extinction susmentionné.
EP10799020.2A 2010-02-10 2010-12-21 Agent d'extinction Not-in-force EP2533864B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010001741A DE102010001741A1 (de) 2010-02-10 2010-02-10 Löschmittel
PCT/EP2010/070363 WO2011098188A1 (fr) 2010-02-10 2010-12-21 Agent d'extinction

Publications (2)

Publication Number Publication Date
EP2533864A1 true EP2533864A1 (fr) 2012-12-19
EP2533864B1 EP2533864B1 (fr) 2016-03-16

Family

ID=43896814

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10799020.2A Not-in-force EP2533864B1 (fr) 2010-02-10 2010-12-21 Agent d'extinction

Country Status (4)

Country Link
US (1) US20130207018A1 (fr)
EP (1) EP2533864B1 (fr)
DE (1) DE102010001741A1 (fr)
WO (1) WO2011098188A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012003017A1 (de) * 2012-02-15 2013-08-22 Key Safety Systems, Inc. Brandvorbeugung oder Brandbeseitigung in einem elektrochemischen Energiespeicher
DE102013215544A1 (de) 2013-08-07 2015-02-12 Robert Bosch Gmbh Reinigungsmittel und/oder Verpackungsmittel
KR102010012B1 (ko) * 2015-11-26 2019-08-12 주식회사 엘지화학 소화 장치가 포함된 배터리 팩 및 이를 이용한 제어 방법
CN110478842A (zh) * 2019-06-28 2019-11-22 浙江南都电源动力股份有限公司 锂电用复合灭火剂
CN110433419B (zh) * 2019-06-28 2021-09-07 浙江南都电源动力股份有限公司 锂电热失控火灾抑制胶囊及锂离子电池
CN110812765A (zh) * 2019-11-14 2020-02-21 江苏佳泰消防科技有限公司 一种高分子凝胶超浓缩灭火剂及制备方法
CN117717747A (zh) * 2023-12-18 2024-03-19 中国人民警察大学(公安部国际执法合作学院、中国维和警察培训中心) 一种干水灭火剂及其制备方法

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FR85910E (fr) * 1964-01-31 1965-11-05 Soc Etu Chimiques Ind Et Agri Nouveaux agents extincteurs
US3877990A (en) * 1973-07-02 1975-04-15 Occidental Energy Dev Company Method of slowing escape of chlorine from metal-chlorine battery
GB2068725A (en) * 1980-02-06 1981-08-19 Total Foerstner Gmbh & Co Fire-extinguishing powder composition
DE3817859A1 (de) * 1988-05-26 1989-11-30 Kalk Chemische Fabrik Gmbh Brandschutzmittel fuer bau- und grubenholz
DE4012549A1 (de) 1990-04-19 1991-10-24 Aquamot Ag Verfahren zur bekaempfung und loeschung von braende und vorrichtung zu seiner duchfuehrung
IL118088A0 (en) * 1995-06-07 1996-08-04 Anzon Inc Colloidal particles of solid flame retardant and smoke suppressant compounds and methods for making them
GB9828045D0 (en) * 1998-12-18 1999-02-17 Danionics As Hydrofluoric acid scavenger
DE10050181A1 (de) * 2000-10-09 2002-04-25 Peter Lell Vorrichtung zum Bekämpfen von Brandherden
JP4597984B2 (ja) * 2003-07-23 2010-12-15 ビーエーエスエフ ソシエタス・ヨーロピア 火災を制御する組成物および方法
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DE102004056830A1 (de) 2004-11-24 2006-06-08 Basf Ag Brandlöschende und/oder brandhemmende Zusammensetzungen
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NO323306B1 (no) * 2005-09-28 2007-03-05 Thermos As Brannslukningsmiddel, fremgangsmate til dets fremstilling samt fremgangsmate ved slukking av brann
TWI338964B (en) * 2006-12-25 2011-03-11 Ind Tech Res Inst A flame retardant-type polymer electrolyte composition containing maleimides
CN101106185A (zh) * 2007-09-04 2008-01-16 北京中润恒动电池有限公司 高安全性锂离子动力电池及其装配方法
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DE102008040863A1 (de) * 2008-07-30 2010-02-04 Robert Bosch Gmbh Vorrichtung zur Erzeugung oder Speicherung elektrischer oder mechanischer Energie und Verfahren zur Brandvermeidung
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Also Published As

Publication number Publication date
EP2533864B1 (fr) 2016-03-16
US20130207018A1 (en) 2013-08-15
WO2011098188A1 (fr) 2011-08-18
DE102010001741A1 (de) 2011-08-11

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