WO2020254869A1 - Mélange d'extinction d'incendie amélioré - Google Patents

Mélange d'extinction d'incendie amélioré Download PDF

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Publication number
WO2020254869A1
WO2020254869A1 PCT/IB2019/057902 IB2019057902W WO2020254869A1 WO 2020254869 A1 WO2020254869 A1 WO 2020254869A1 IB 2019057902 W IB2019057902 W IB 2019057902W WO 2020254869 A1 WO2020254869 A1 WO 2020254869A1
Authority
WO
WIPO (PCT)
Prior art keywords
fire
solution
extinguishing
extinguishing mixture
until
Prior art date
Application number
PCT/IB2019/057902
Other languages
English (en)
Inventor
Huan Nguyen
Original Assignee
Kha Luan Trading Production Company Limited
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 Kha Luan Trading Production Company Limited filed Critical Kha Luan Trading Production Company Limited
Priority to EP19933338.6A priority Critical patent/EP3986574A4/fr
Publication of WO2020254869A1 publication Critical patent/WO2020254869A1/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
    • A62D1/0071—Foams
    • 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

Definitions

  • the utility solution relates to an improved fire-extinguishing mixture for throwable fire extinguishers, as well as to a fire extinguisher containing thereof.
  • the fire-extinguishing mixture can extinguish fires of various classes by throwing directly the fire extinguisher containing fire-extinguishing mixture into the fire.
  • fire extinguishers there is a variety of products referred to as fire extinguishers.
  • C02 powder fire extinguishers are difficult to use and heavy. Therefore, it is not convenient to use them in case of a fire.
  • conventional aerosol fire extinguishers can be easily used by anyone, but it is very difficult to use them for dealing with the expanded fire situation.
  • throwable fire extinguishers are those that are too easy to use, which contain inorganic foaming fire-extinguishing mixtures with a good extinguishing ability for high temperature fires (175°C and higher).
  • the shell of a fire extinguisher is easy to shatter and distribute the fire extinguishing mixture, which facilitates the extinguishment of expanded fires.
  • the composition of a fire extinguisher used in the fire extinguisher comprises various agents.
  • throwable fire extinguishers available on the market, which have been developed and sold for many years.
  • these comprise: BONEX fire extinguishers, the throwable fire extinguishers from JAPAN FIRE PROTECT CO.LTD, the fire extinguishers from QINGDAO HUOSHEN EQUIPMENT. CO, the fire extinguishers from FRUNE ZONE CO.LTD, and some other throwable fire extinguishers: FIRE FIGHTER THROWING, TG FIREFIGHTER etc.
  • An advantage of the prior-art throwable fire extinguishers is their environmental and user friendliness.
  • the pH of the fire extinguishing solution is about 8, that is, slightly alkaline, thus not causing harm to one's health if swallowed.
  • the prior-art throwable fire extinguishers have a not-so-large volume, about 500-650 mL, which have limitation for extinguishment of larger fires.
  • the prior-art throwable fire extinguishers on the market contain a fire extinguishing solution that usually has a plurality of ammonium radicals. These ammonium radicals will cause urine odor (smell of urine) for accidental leakage, and breakage into environment during the transport and storage. Such smell is very unpleasant to the users, which makes the deodorization highly time-consuming.
  • the prior-art throwable fire extinguishers may be able to extinguish Class A, Class B, and Class C fires only.
  • an objective of the utility solution is to develop a safe improved fire-extinguishing mixture that does not have affect to human body and that is an effective fire-extinguishing mixture with extinguishing ability for maximizing the effects of the fire-extinguishing agents, increasing the extinguishing ability, improving user experience during the transport and storage of throwable fire extinguishers.
  • the utility solution provides an improved fire-extinguishing mixture for throwable fire extinguishers as well as a fire extinguisher containing the same.
  • the fire-extinguishing mixture is able to extinguish Class A, Class B, and Class C (or class F) fires, by throwing directly the fire extinguisher containing fire extinguishing mixture into to the fire.
  • a fire extinguishing mixture comprising: a. 40% to 55% by weight of potassium carbonate (K 2 C0 ), b. 5 to 10% by weight of sodium bicarbonate (NaHC0 3 ),
  • ammonium bicarbonate (NH 4 HC0 3 )
  • citric acid C 6 H 8 0 7
  • a fire extinguisher containing the aforementioned fire-extinguishing mixture.
  • the utility solution provides a fire extinguisher, having a brittle and fragile plastic shell, that contains the aforementioned fire-extinguishing mixture.
  • the previous fire extinguisher contains the aforementioned fire-extinguishing mixture of a 710 mL volume.
  • a method of producing a fire-extinguishing mixture comprises:
  • numeric ranges with endpoints will include all values and fractions within the corresponding ranges, as well as the said endpoints.
  • the term“approximately” when used for the numeric values indicates that an approximation to certain degree in calculation and measurement thereof (which is precisely, adjacently, approximately or substantially the same numeric value). If for any reason the inaccuracy resulted from the term“approximately” is not understood by common knowledge in the art, the term“approximately” used herein indicates at least variations from conventional methods of measurement or using of these parameters. For example, the term“generally”,“approximately” and“substantially” can be used herein as being within the manufacturing errors.
  • the term “approximately” used herein when changing the amount of a component or a reactant of the utility solution, or when used will indicate variation of the shown amount, is presented by a number that can occur during the common operational and measuring processes used, e.g., when producing concentrates or solutions in practice due to neglection in these processes, or differences in the production, the sources or the purity of the agents used in producing the composition or in implementing the methods, and the like.
  • the term“approximately” also includes the varying amounts due to the balancing of different compositions derived from a particular original mixture. Whether there is change caused by the term“approximately”, the claims still include the equivalents to these amounts.
  • a reference to “embodiments” or “an embodiment” means that the particular features, structures or properties are described together with the embodiment will be included at least in one embodiment of the utility solution. As such, the presence of the terms “according to the embodiment” or “according to an embodiment” in various parts of the present specification is not necessary to refer to the same embodiment, but it may be. Furthermore, such features, structures or properties can be combined in any appropriate manner in one or more embodiments, as will be appreciated by a person of ordinary skill in the art when reading the present specification.
  • Class A fires refer to the fires related to combustible materials such as wood, paper, silk, plastic, textile, waste, and the like.
  • Class B fires refer to the fires related to flammable liquids, gases, or materials, also referred to as Group B flames.
  • Class C fires refer to the electrical fires and fires related to electronic devices.
  • Class K fires also referred to as kitchen fires (previously referred to as Class F fires, renamed "K” by NFPA 10 in 1998, in The United States of America), are the fires related to flammable liquids such as lards, oils, fats occurring during cooking.
  • the fire extinguishing solution usually includes ammonium radicals for cooling during the extinguishment.
  • the fire extinguishing solution in high temperature will produce ammonia NH .
  • Ammonia usually is unpleasant due to its urine odor, which normally occurs if the extinguisher containing the solution is dropped or broken during transport and storage (in vehicle, building, workshop, etc.).
  • the ammonium radicals in the ammonium bicarbonate have been reduced to a proper amount as to alleviate the urine odor of the solution (product) upon breakage during transport and storage of the solution in normal environments (non-extinguishment), but it still maintains the extinguishing efficiency .
  • the fire-extinguishing mixture of the utility solution produces a large amount of C0 2 for extinguishment.
  • potassium carbonate, sodium bicarbonate, ammonium bicarbonate, citric acid thermally react with the fire and create a large amount of C0 2 .
  • the fire-extinguishing mixture of the utility solution has a very large ratio of K 2 C0 3 , greatly facilitating the extinguishment of Class F fires (named class "K” by NFPA 10 in 1998, in The United States of America), particularly the fires related to the cooking materials (oils and fats) in cookware.
  • the fire-extinguishing mixture of the utility solution contains an associated combination of sodium lauryl sulfate and aqueous film forming foam for increasing its extinguishing efficiency .
  • sodium lauryl sulfate and the aqueous film forming foam are combined together, thereby creating foams and water films, and thus rapidly quenching the oxygen source and extinguishing the fire.
  • one or more components of ammonium bicarbonate, sodium lauryl sulfate and the aqueous film forming foam can be absent.
  • the extinguishing efficiency of the mixture will be significantly reduced.
  • the fire extinguisher containing the fire-extinguishing mixture is manufactured with a volume of 710 mL, which is much larger than many other products on the market, in order to increase the extinguishing ability of the fire-extinguishing mixture, thus facilitating the extinguishment of larger fires.
  • the method of producing the fire-extinguishing mixture comprises:
  • a fire-extinguishing mixture is produced by a method comprising:
  • the fire-extinguishing mixture which contains: a. approximately 55% by weight of potassium carbonate (K 2 C0 ),
  • the fire-extinguishing mixture of the utility solution helps to alleviate the urine odor of the fire-extinguishing mixture, increase the extinguishing ability and the re ignition prevention ability of the fire-extinguishing mixture, and specifically make the fire-extinguishing mixture to be able to extinguish the Class K (Class F) fires.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing Compositions (AREA)

Abstract

La présente invention concerne une solution d'utilité concernant un mélange d'extinction d'incendie amélioré, comprenant les composants comprenant du carbonate de potassium, du bicarbonate de sodium, du bicarbonate d'ammonium, de l'acide citrique, du laurylsulfate de sodium, du film aqueux formant de la mousse et de l'eau dans des quantités telles que décrites ici. La solution utilitaire aide à atténuer l'odeur d'urine du mélange d'extinction d'incendie, à augmenter la capacité d'extinction et la capacité de prévention de l'inflammation du mélange d'extinction d'incendie, et à rendre plus spécifique le mélange d'extinction d'incendie pour pouvoir éteindre les incendies de classe K (classe F). De plus, la solution utilitaire concerne en outre un extincteur contenant ledit mélange d'extinction d'incendie et un procédé de production du mélange d'extinction d'incendie.
PCT/IB2019/057902 2019-06-21 2019-09-19 Mélange d'extinction d'incendie amélioré WO2020254869A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19933338.6A EP3986574A4 (fr) 2019-06-21 2019-09-19 Mélange d'extinction d'incendie amélioré

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
VN2201900236 2019-06-21
VN2-2019-00236 2019-06-21

Publications (1)

Publication Number Publication Date
WO2020254869A1 true WO2020254869A1 (fr) 2020-12-24

Family

ID=80786099

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2019/057902 WO2020254869A1 (fr) 2019-06-21 2019-09-19 Mélange d'extinction d'incendie amélioré

Country Status (2)

Country Link
EP (1) EP3986574A4 (fr)
WO (1) WO2020254869A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2595589A (en) * 2020-05-27 2021-12-01 Firexo Group Ltd Fire extinguishing composition for large fires
US11819722B1 (en) 2019-06-07 2023-11-21 Frs Group, Llc Long-term fire retardant with corrosion inhibitors and methods for making and using same
US11865392B2 (en) 2020-12-15 2024-01-09 Frs Group, Llc Long-term fire retardant with corrosion inhibitors and methods for making and using same
US11975231B2 (en) 2022-03-31 2024-05-07 Frs Group, Llc Long-term fire retardant with corrosion inhibitors and methods for making and using same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103007479A (zh) * 2012-12-31 2013-04-03 西安科技大学 一种灭火剂
WO2013145207A1 (fr) * 2012-03-29 2013-10-03 株式会社メディプラン Agent d'extinction d'incendie pour un extincteur d'incendie de lancement
CN103706062A (zh) * 2013-12-31 2014-04-09 青岛火神消防设备有限公司 便携投掷式灭火器
WO2015020388A1 (fr) * 2013-08-06 2015-02-12 Han Seungwoo Composition pour agent extincteur d'incendie renforcé neutre et écologique
CN104474659A (zh) * 2014-12-17 2015-04-01 刘树民 液体灭火剂及水基型投掷式灭火器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104258529B (zh) * 2014-09-16 2017-02-22 温州安顺消防设备有限公司 便携式灭火消防瓶
CN106267635A (zh) * 2016-08-08 2017-01-04 刘树民 一种水基型多功能阻燃灭火器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013145207A1 (fr) * 2012-03-29 2013-10-03 株式会社メディプラン Agent d'extinction d'incendie pour un extincteur d'incendie de lancement
CN103007479A (zh) * 2012-12-31 2013-04-03 西安科技大学 一种灭火剂
WO2015020388A1 (fr) * 2013-08-06 2015-02-12 Han Seungwoo Composition pour agent extincteur d'incendie renforcé neutre et écologique
CN103706062A (zh) * 2013-12-31 2014-04-09 青岛火神消防设备有限公司 便携投掷式灭火器
CN104474659A (zh) * 2014-12-17 2015-04-01 刘树民 液体灭火剂及水基型投掷式灭火器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3986574A4 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11819722B1 (en) 2019-06-07 2023-11-21 Frs Group, Llc Long-term fire retardant with corrosion inhibitors and methods for making and using same
US11819723B2 (en) 2019-06-07 2023-11-21 Frs Group, Llc Long-term fire retardant with corrosion inhibitors and methods for making and using same
GB2595589A (en) * 2020-05-27 2021-12-01 Firexo Group Ltd Fire extinguishing composition for large fires
GB2595589B (en) * 2020-05-27 2022-12-21 Firexo Cotm Ltd Fire extinguishing composition for large fires
US11865392B2 (en) 2020-12-15 2024-01-09 Frs Group, Llc Long-term fire retardant with corrosion inhibitors and methods for making and using same
US11865391B2 (en) 2020-12-15 2024-01-09 Frs Group, Llc Long-term fire retardant with corrosion inhibitors and methods for making and using same
US11883703B2 (en) 2020-12-15 2024-01-30 Frs Group, Llc Long-term fire retardant with magnesium sulfate and corrosion inhibitors and methods for making and using same
US11975231B2 (en) 2022-03-31 2024-05-07 Frs Group, Llc Long-term fire retardant with corrosion inhibitors and methods for making and using same
US12053658B2 (en) 2022-03-31 2024-08-06 Frs Group, Llc Long-term fire retardant with corrosion inhibitors and methods for making and using same
US12109446B2 (en) 2022-03-31 2024-10-08 Frs Group, Llc Long-term fire retardant with corrosion inhibitors and methods for making and using same

Also Published As

Publication number Publication date
EP3986574A1 (fr) 2022-04-27
EP3986574A4 (fr) 2024-06-05

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