JP2005027858A - Inactive fire extinguishing gas and extinguisher using inactive fire extinguishing gas - Google Patents

Inactive fire extinguishing gas and extinguisher using inactive fire extinguishing gas Download PDF

Info

Publication number
JP2005027858A
JP2005027858A JP2003196117A JP2003196117A JP2005027858A JP 2005027858 A JP2005027858 A JP 2005027858A JP 2003196117 A JP2003196117 A JP 2003196117A JP 2003196117 A JP2003196117 A JP 2003196117A JP 2005027858 A JP2005027858 A JP 2005027858A
Authority
JP
Japan
Prior art keywords
fire extinguishing
gas
fire
extinguishing gas
inert
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
JP2003196117A
Other languages
Japanese (ja)
Other versions
JP4871489B2 (en
Inventor
Tadahiro Omi
忠弘 大見
Yasuyuki Shirai
泰雪 白井
Shogo Chiba
省吾 千葉
Muneharu Fukuda
宗治 福田
Kenji Saito
賢司 斉藤
Hideo Hanaoka
秀夫 花岡
Koji Yukita
浩二 雪田
Yasuhiro Takigawa
裕弘 滝川
Yoshiharu Kishida
好晴 岸田
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.)
SHINKO TECHNOS KK
Hitachi Plant Technologies Ltd
Japan Air Gases Ltd
Original Assignee
SHINKO TECHNOS KK
Hitachi Plant Technologies Ltd
Japan Air Gases 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 SHINKO TECHNOS KK, Hitachi Plant Technologies Ltd, Japan Air Gases Ltd filed Critical SHINKO TECHNOS KK
Priority to JP2003196117A priority Critical patent/JP4871489B2/en
Publication of JP2005027858A publication Critical patent/JP2005027858A/en
Application granted granted Critical
Publication of JP4871489B2 publication Critical patent/JP4871489B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Fire-Extinguishing Compositions (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To quickly clean a clean room after having extinguished a fire, by using an inactive fire extinguishing gas having high fire extinguishing ability, and by making the inactive fire extinguishing gas clean. <P>SOLUTION: The inactive fire extinguishing gas for extinguishing a fire is the mixture of two kind of gases including 80 vol% or more and 92 vol% or less of argon and the balance of carbon dioxide. Further, a fire extinguishing gas cylinder for filling the above inactive fire extinguishing gas is made of aluminium and its inner portion is cleaned by electrolytic polishing, the gas cylinder is filled with the cleaned fire extinguishing gas. The above fire extinguishing gas cylinder is a shouldering type having a fire extinguishing nozzle, and can be quickly carried to a fire break-out site in the clean room. Therefore, a fire can be quickly extinguished by releasing the above inactive fire extinguishing gas to the fire break-out site, and the clean room can be restored in a short time after having extinguished the fire. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、清浄度の高いクリーンルーム等で使用可能であり、クリーンルームや精密機器の機能を損なわないように消火可能な不活性消火ガスおよび不活性消火ガスを用いた消火具に関する。
【0002】
【従来の技術】
クリーンルーム内で発生する火災に用いられる消火剤はこれまで、炭酸ガス、ハロゲンガス、不活性ガスといったガス系消火剤が多用されている。このガス系消火剤は、ガスで消火を行っているため、消化剤によるクリーンルーム内の汚染がほとんどなく、また電気の絶縁性を損なわないことなどの利点がある。したがってクリーンルーム以外の電算機室や通信機械室などの付加価値の高い設備でも幅広く使用されている。
【0003】
この使用されているガス系消火剤に、炭酸ガス、窒素、アルゴンの不活性ガスの単体または混合体で構成した不活性ガス系消火剤が知られている。炭酸ガスと不活性ガスの混合ガスからなる不活性ガス系消火剤について、窒素ガス、アルゴンガス、炭酸ガスの混合比が窒素ガス:50〜94vol%、アルゴンガス:40〜0vol%、炭酸ガス:10〜6vol%とし、消火効果を表す消炎濃度を低くする(消火効果が高いことを示す)ことを見出したということが、特許文献1に開示されている。
【0004】
【特許文献1】特開2002−28258号公報
【0005】
【発明が解決しようとする課題】
しかしながら、上記のようなガス系消火ガスをガスボンベに充填して消火に用いる場合、消火に用いる消火ガスの組成中の窒素ガスは空気の比重と比べると軽いので、火災箇所に向けて放出した場合、火災箇所の上方向に拡散してしまい消火に時間がかかってしまう。
【0006】
また、消火器に含まれる成分に水を用いた場合には、クリーンルーム内に配置する精密製造装置または電算機等の機械設備には適用できない。また、消火後の室内の復旧に多大な時間を要してしまう。
【0007】
このような問題点を解決するため、本発明では機械装置類の機能を損なわず消火可能な不活性消火ガスおよび不活性消火ガスを用いた消火具を提供することを目的としている。また本発明は、クリーンルームの汚染を抑え、消火後のクリーンルームの復旧が容易な不活性消火ガスを提供することを目的とする。
【0008】
【課題を解決するための手段】
本発明は、消火に用いる不活性消火ガスであって、当該不活性消火ガスは、80vol%以上92vol%以下のアルゴンと残部を炭酸ガスとした2種の混合物からなることを特徴としている。
【0009】
また、本発明に係る消火に用いる不活性消火ガスは、空気よりも比重の重い不活性ガスと8vol%以上20vol%以下の炭酸ガスとの混合物からなることを特徴としている。
【0010】
本発明に係る不活性消火ガスを用いた消火具によれば、ボンベ内部を電解研磨して清浄化処理した消火ガスボンベに、80vol%以上92vol%以下のアルゴンと残部を炭酸ガスとした2種の混合物からなる不活性消火ガスを清浄化して充填することを特徴としている。
【0011】
また、前記消火ガスボンベは、前記不活性消火ガスを収納するとともに消火の際に該ガスを吐出する消火ガス吐出ノズルと背負いベルトを有し、搬送移動が可能であることを特徴としている。
【0012】
【作用】
このようになっている本発明は、不活性消火ガスに空気よりも比重の重い不活性ガスを用いているので、放出された消火ガスが燃焼物を包み込むように消火し、消火時間を早くすることができる。また、ボンベ内部を清浄化処理した消火ガスボンベに前記不活性消火ガスを清浄化して充填している。したがって、清浄度の高い消火ガスを放出してクリーンルームの出火箇所を速やかに消火でき、消火ガスの消費量を少なくできる。したがってクリーンルームやクリーンルーム内等に設置する製造装置を汚染することなく、消火後のクリーンルームの清浄化を早くすることができる。
【0013】
【発明の実施の形態】
本発明に係る不活性消火ガスおよび不活性消火ガスを用いた消火具の実施形態を詳細に説明する。
出火箇所に向けて不活性消火ガスを充填したガスボンベから消火ガスを放出する場合、消火ガスの組成に窒素ガスを含んでいると、空気よりも比重が軽いため上方に拡散してしまい、消火するのに時間がかかってしまう。そこで、本実施形態では、空気よりも比重の重い不活性ガスであるアルゴンを主成分とし、これに炭酸ガスを混合させて不活性消火ガスとした。
なお、混合ガス中に含まれる炭酸ガスは、脳の中枢を刺激して呼吸量を増加して、脳への酸素供給量を確保する働きがある。
【0014】
ここで、コンピュータルーム等の消火に用いられている既存のイナージェンガスと、アルゴンガスを主成分とし炭酸ガスを含む不活性消火ガスとの消火実験について説明する。
【表1】

Figure 2005027858
【0015】
表1はガス成分による消火性能を示している。性能試験に用いるガス成分のそれぞれの混合割合を以下に示す。従来消火ガスに用いられているイナージェンガスはアルゴン40vol%、炭酸ガス8vol%、窒素52vol%の混合ガスとし、不活性ガス組成Aは空気よりも比重の重いアルゴン80vol%、炭酸ガス20vol%とし、窒素を含まない成分としている。また、不活性ガス組成Bは組成Aと同様、窒素を含まない構成としているが、組成Aよりもアルゴンの含有量を多くし、アルゴン92vol%、炭酸ガス8vol%としている。
【0016】
消火実験は図2に示すように、消火ガスが充填された実験ガスボンベ20の3本の放出口に減圧弁22を取付けて、高圧ホース24に接続する。この高圧ホース24の端部には消火ノズル26を設置し、この消火ノズル26の根元部分には消火ガスの放出を制御する開閉レバー28を取付けている。
【0017】
消火対象となるのはA;ヘプタン溶剤と、B;電線を燃焼させたものである。上記構成による消火実験方法は、まず消火実験用パレット30に燃焼物を設置し着火する。消火対象を約2分間燃焼させる。その後、燃焼中の消火対象に対し、前記実験ガスを放射する。この消火ガスの放射により燃焼物の鎮火に要する時間を測定する。
【0018】
前記各消火ガスの消火時間を表1に示す。表1に示すように、従来クリーンルームの消火ガスに用いられているイナージェンガスの場合、ヘプタン溶剤の消火時間は10秒、電線の消火時間に30秒を要している。これは、イナージェンガス中に含まれる混合ガスの主成分となる窒素ガスが、空気よりも比重が軽いためである。すなわち、消火対象に向けて消火ガスを放出しても、燃焼物の上方に拡散してしまい、燃焼物周辺の酸素供給を止めることができず消火時間が遅れるためである。
【0019】
不活性ガス組成Aを消火ガスとした場合、ヘプタン溶剤の消火時間は5〜10秒、電線の消火時間は5〜6秒と前述のイナージェンガスよりも消火時間を短縮することができた。これは、空気よりも比重の軽い窒素ガスを含まず、不活性ガスの主成分を空気より比重の重いアルゴンガスとしたためである。すなわちこの消火ガスは消火対象に対して、覆い被さるようにして炎を押さえつける作用があり、燃焼物のまわりの酸素を除去するため消火が早くなるからである。
【0020】
不活性ガス組成Bを消火ガスとした場合、ヘプタン溶剤の消火時間は2〜7秒、電線の消火時間は5〜6秒と前述の不活性ガス組成Aよりも電線の消火時間を短縮することができた。これにより、アルゴンの組成を多くすると消火時間が短くなり、消火効果が大となる傾向が見られるが、混合ガスに含まれる炭酸ガスをこれ以上少なくすると人体の呼吸促進作用がなくなり、作業者の消火活動に危険が生じる。したがって不活性消火ガス中の炭酸ガスの組成は8vol%〜20vol%が消火効果のある組成量といえる。また、消化に用いる不活性消火ガスは、空気よりも比重の重い不活性ガス、すなわち窒素ガスを含まない不活性ガスと、少なくとも8vol%〜20vol%の炭酸ガスとの混合物としてもよい。
【0021】
したがって、当該不活性ガスを消火ガスとした場合、従来クリーンルームで利用されているイナージェンガスよりも消火時間を短縮することができるので、消火ガスの消費量を少なくすることができ、低コスト化となる。また、消火の際の汚染度が少なくなり、消火作業後のクリーンルームの清浄化を早くすることが可能となる。
【0022】
次に、前記不活性消火ガスを用いた消火具について説明する。図1(a),(b)は本実施形態に係る不活性消火ガスを用いた消火具の概略図を示す。不活性消火ガスを用いた消火具10は、図1(a)に示すように、前記不活性消火ガスを充填した消火ガスボンベ11と、この消火ガスボンベ11の側面に取付けた背負いベルト12と、前記消火ガスボンベ11のボンベ接続部14に接続した高圧ホース16と、この高圧ホース16端部に接続した消火ガス吐出ノズル18によって構成されている。
【0023】
消火ガスボンベ11は、アルミ製で内部を電解研磨して、耐食性を向上させ、清浄化した構成としている。この清浄化された消化ガスボンベ11に、前記不活性消火ガスをフィルターを通して充填している。これにより、クリーン度の高い不活性消火ガスを充填できるので、清浄化されたクリーンルームにおいて、不活性消火ガスを放出した場合でも、室内を汚染することなく短時間のうちに消化することができる。また、本実施形態に用いる不活性ガスは、例えば既存の溶接用アルゴンガスを用いているので低コスト化が図れる。
【0024】
また前記消火ガス吐出ノズル18は消火ガスの吐出を制御する開閉レバー19があり、ノズル部分は、図1(b)に示すようにホーン型である。ノズルの形状によっては消火ガスの吐出に圧力がかかり、燃焼物の炎を煽ってしまい消火に時間がかかってしまう。前記ホーン型であれば、消火ガスは矢印に示すように放出され、炎を煽ることなく、燃焼物を覆うように消火ガスが吐出できるため、初期消火には効果的である。
【0025】
上記構成の不活性消火ガスを用いた消火具10によれば、作業員は火災が発生した場合、前記消火ガスボンベ11を背負い、クリーンルーム内の出火箇所まで移動する。燃焼物に対して消火ガス吐出ノズル18を向けて、開閉弁を開き不活性消火ガスを吐出して消火する。消火後は開閉弁を閉じ不活性ガスの放出を停止する。使用後の消火ガスボンベ11は不活性ガスを充填することにより再利用することができる。
【0026】
この背負式消火ガスボンベ11は、成人であれば容易に背負うことができ、クリーンルーム内への搬送を容易としていることを特徴としている。また、前記消火ガスボンベ11を2輪台車に設置して、クリーンルーム内を移動することができる。さらに、消火ガスボンベ11は、クリーンルームの防護区域の全域を消火する備付けの消火設備に配置する不活性ガスの供給源としても利用できる。
【0027】
【発明の効果】
以上説明したように、本発明によれば、消火に用いる不活性消火ガスを80vol%以上92vol%以下のアルゴンと残部を炭酸ガスとした2種の混合物から構成しているので、消火時間を短くして消火効果を高めることができる。また、ボンベ内部を電解研磨して清浄化処理した消火ガスボンベに前記不活性消化ガスを清浄化して充填している。したがって、消火ガスの消費量が少なくなり消火ガスの低コスト化が図れ、クリーンルームの清浄化を早くすることができ消火後のクリーンルームの復旧が容易となる効果が得られる。
【図面の簡単な説明】
【図1】不活性消火ガスを用いた消火具の概略を示す図である。
【図2】実施形態に係る消火ガスの消火実験を示す構成図である。
【符号の説明】
10………不活性消火ガスを用いた消火具、11………消火ガスボンベ、12………背負いベルト、14………ボンベ接続部、16………高圧ホース、18………消火ガス吐出ノズル、19………開閉レバー、20………実験ガスボンベ、22………減圧弁、24………高圧ホース、26………消火ノズル、28………開閉レバー。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an inert fire extinguishing gas that can be used in a clean room or the like having a high degree of cleanliness and can be extinguished so as not to impair the functions of the clean room and precision equipment, and a fire extinguishing tool using the inert fire extinguishing gas.
[0002]
[Prior art]
Gas extinguishing agents such as carbon dioxide, halogen gas, and inert gas have been widely used as extinguishing agents used in fires generated in clean rooms. Since this gas-based fire extinguisher is extinguished with gas, there is an advantage that there is almost no contamination of the clean room by the digestive agent and that the electrical insulation is not impaired. Therefore, it is widely used in high value-added facilities such as computer rooms and communication machine rooms other than clean rooms.
[0003]
As the gas fire extinguisher used, an inert gas fire extinguisher composed of a single substance or a mixture of inert gases of carbon dioxide, nitrogen and argon is known. For an inert gas fire extinguisher composed of a mixed gas of carbon dioxide and inert gas, the mixing ratio of nitrogen gas, argon gas, carbon dioxide is nitrogen gas: 50-94 vol%, argon gas: 40-0 vol%, carbon dioxide: It has been disclosed in Patent Document 1 that it has been found that the flame extinguishing concentration representing the fire extinguishing effect is lowered (indicating that the extinguishing effect is high) with 10 to 6 vol%.
[0004]
[Patent Document 1] Japanese Patent Application Laid-Open No. 2002-28258
[Problems to be solved by the invention]
However, when filling a gas cylinder with a gas fire extinguishing gas as described above and using it for fire extinguishing, the nitrogen gas in the composition of the fire extinguishing gas used for fire extinguishing is light compared to the specific gravity of air, so when released toward the fire location It spreads upward in the fire area and takes time to extinguish.
[0006]
Moreover, when water is used as a component contained in a fire extinguisher, it cannot be applied to a precision manufacturing apparatus or a machine such as a computer placed in a clean room. In addition, it takes a lot of time to restore the room after the fire is extinguished.
[0007]
In order to solve such problems, it is an object of the present invention to provide an inert fire extinguishing gas that can be extinguished without impairing the functions of mechanical devices and a fire extinguishing tool using the inert fire extinguishing gas. Another object of the present invention is to provide an inert fire extinguishing gas that suppresses contamination of a clean room and can be easily restored after the fire is extinguished.
[0008]
[Means for Solving the Problems]
The present invention is an inert fire extinguishing gas used for fire extinguishing, and the inert fire extinguishing gas is characterized in that it is composed of two kinds of mixtures in which 80 vol% or more and 92 vol% or less of argon and the balance are carbon dioxide gas.
[0009]
Moreover, the inert fire extinguishing gas used for fire extinguishing according to the present invention is characterized by comprising a mixture of an inert gas having a heavier specific gravity than air and a carbon dioxide gas of 8 vol% or more and 20 vol% or less.
[0010]
According to a fire extinguisher using an inert fire extinguishing gas according to the present invention, two types of fire extinguishing gas cylinders in which the inside of the cylinder is electrolytically polished and cleaned are argon of 80 vol% or more and 92 vol% or less and the balance is carbon dioxide gas. It is characterized by purifying and filling with an inert fire extinguishing gas composed of a mixture.
[0011]
Further, the fire extinguishing gas cylinder has a fire extinguishing gas discharge nozzle that discharges the inert fire extinguishing gas and discharges the gas during fire extinguishing, and a shoulder belt, and is capable of carrying and moving.
[0012]
[Action]
In the present invention as described above, an inert gas whose specific gravity is heavier than air is used as the inert fire extinguishing gas. Therefore, the fire extinguishing gas is extinguished so as to wrap the combustion product, and the fire extinguishing time is shortened. be able to. In addition, the inert fire extinguishing gas is cleaned and filled in a fire extinguishing gas cylinder whose inside is cleaned. Therefore, fire extinguishing gas with a high degree of cleanness can be discharged to quickly extinguish the fire location in the clean room, and the consumption of fire extinguishing gas can be reduced. Therefore, the clean room after fire extinguishing can be cleaned quickly without contaminating the manufacturing apparatus installed in the clean room or the clean room.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
The embodiment of the fire extinguishing tool using the inert fire-extinguishing gas and inert fire-extinguishing gas which concerns on this invention is described in detail.
When fire extinguishing gas is released from a gas cylinder filled with an inert fire extinguishing gas toward the fire location, if the composition of the fire extinguishing gas contains nitrogen gas, the specific gravity is lighter than air, so it diffuses upward and extinguishes fire. It takes time. Therefore, in the present embodiment, argon, which is an inert gas having a specific gravity heavier than air, is used as a main component, and carbon dioxide is mixed with this to form an inert fire extinguishing gas.
The carbon dioxide gas contained in the mixed gas has a function of stimulating the central part of the brain to increase the respiration rate and to secure the oxygen supply amount to the brain.
[0014]
Here, a fire extinguishing experiment between an existing inert gas used for extinguishing a computer room or the like and an inert fire extinguishing gas containing argon gas as a main component and carbon dioxide gas will be described.
[Table 1]
Figure 2005027858
[0015]
Table 1 shows the fire extinguishing performance by gas components. The mixing ratio of each gas component used in the performance test is shown below. The inert gas conventionally used for fire extinguishing gas is a mixed gas of argon 40 vol%, carbon dioxide gas 8 vol%, nitrogen 52 vol%, and the inert gas composition A is argon 80 vol%, carbon dioxide gas 20 vol%, which is heavier than air. It is a component that does not contain nitrogen. In addition, the inert gas composition B does not contain nitrogen like the composition A, but the argon content is higher than that of the composition A, so that argon is 92 vol% and carbon dioxide gas is 8 vol%.
[0016]
In the fire extinguishing experiment, as shown in FIG. 2, pressure reducing valves 22 are attached to the three discharge ports of the experimental gas cylinder 20 filled with the fire extinguishing gas and connected to the high pressure hose 24. A fire extinguishing nozzle 26 is installed at the end of the high pressure hose 24, and an open / close lever 28 for controlling the discharge of the fire extinguishing gas is attached to the base of the fire extinguishing nozzle 26.
[0017]
The fire extinguishing targets are A: heptane solvent and B: burned electric wire. In the fire extinguishing experiment method having the above-described configuration, first, a combustion product is placed on the fire extinguishing experiment pallet 30 and ignited. Burn the fire extinguisher for about 2 minutes. Thereafter, the experimental gas is emitted to the fire extinguishing target during combustion. The time required for extinguishing the combustion product is measured by the emission of the fire extinguishing gas.
[0018]
Table 1 shows the fire extinguishing time of each fire extinguishing gas. As shown in Table 1, in the case of the inert gas conventionally used as a fire extinguishing gas in a clean room, the extinguishing time of the heptane solvent requires 10 seconds and the extinguishing time of the electric wires requires 30 seconds. This is because nitrogen gas, which is the main component of the mixed gas contained in the inert gas, has a specific gravity lighter than air. That is, even if the fire extinguishing gas is released toward the fire extinguishing target, it diffuses above the combusted material, and the oxygen supply around the combusted material cannot be stopped and the fire extinguishing time is delayed.
[0019]
When the inert gas composition A was used as a fire extinguishing gas, the fire extinguishing time of the heptane solvent was 5 to 10 seconds, the fire extinguishing time of the electric wires was 5 to 6 seconds, and the fire extinguishing time could be shortened compared to the aforementioned inert gas. This is because nitrogen gas having a specific gravity lower than that of air is not included, and the main component of the inert gas is argon gas having a higher specific gravity than air. That is, this fire extinguishing gas has an action of pressing down the flame so as to cover the fire extinguisher, and the fire extinguishing is quickened because oxygen around the combustion product is removed.
[0020]
When the inert gas composition B is used as a fire extinguishing gas, the fire extinguishing time of the heptane solvent is 2 to 7 seconds, the fire extinguishing time of the electric wire is 5 to 6 seconds, and the fire extinguishing time of the electric wire is shorter than the above-described inert gas composition A. I was able to. As a result, when the argon composition is increased, the fire extinguishing time is shortened and the fire extinguishing effect tends to increase, but if the carbon dioxide contained in the mixed gas is further reduced, the action of promoting the breathing of the human body is lost, and the operator's Risk to fire fighting. Therefore, the composition of carbon dioxide in the inert fire extinguishing gas can be said to be a composition amount having a fire extinguishing effect of 8 vol% to 20 vol%. Moreover, the inert fire extinguishing gas used for digestion is good also as a mixture of the inert gas whose specific gravity is heavier than air, ie, the inert gas which does not contain nitrogen gas, and a carbon dioxide gas of at least 8 vol%-20 vol%.
[0021]
Therefore, when the inert gas is used as a fire extinguishing gas, the fire extinguishing time can be shortened compared to the inert gas conventionally used in clean rooms, so the consumption of the fire extinguishing gas can be reduced and the cost can be reduced. It becomes. In addition, the degree of contamination during fire extinguishing is reduced, and it becomes possible to speed up the cleaning of the clean room after the fire extinguishing work.
[0022]
Next, a fire extinguisher using the inert fire extinguishing gas will be described. Fig.1 (a), (b) shows the schematic of the fire extinguisher using the inert fire extinguishing gas which concerns on this embodiment. As shown in FIG. 1A, a fire extinguishing tool 10 using an inert fire extinguishing gas includes a fire extinguishing gas cylinder 11 filled with the inert fire extinguishing gas, a shoulder belt 12 attached to a side surface of the fire extinguishing gas cylinder 11, The high-pressure hose 16 connected to the cylinder connecting portion 14 of the fire-extinguishing gas cylinder 11 and the fire-extinguishing gas discharge nozzle 18 connected to the end of the high-pressure hose 16 are configured.
[0023]
The fire extinguishing gas cylinder 11 is made of aluminum, and has an internal structure that is electrolytically polished to improve corrosion resistance and to be cleaned. The purified digestive gas cylinder 11 is filled with the inert fire extinguishing gas through a filter. Thereby, since the inert fire-extinguishing gas having a high degree of cleanliness can be filled, even when the inert fire-extinguishing gas is released in the cleaned clean room, it can be digested in a short time without contaminating the room. Moreover, since the inert gas used for this embodiment uses the existing argon gas for welding, for example, cost reduction can be achieved.
[0024]
The fire extinguishing gas discharge nozzle 18 has an open / close lever 19 for controlling the discharge of the fire extinguishing gas, and the nozzle portion is a horn type as shown in FIG. Depending on the shape of the nozzle, pressure is applied to the discharge of the fire extinguishing gas, and the flame of the combustion product is burned, and it takes time to extinguish the fire. In the case of the horn type, the fire extinguishing gas is released as shown by an arrow, and the fire extinguishing gas can be discharged so as to cover the combustion product without burning a flame, which is effective for initial fire extinguishing.
[0025]
According to the fire extinguisher 10 using the inert fire extinguishing gas having the above-described configuration, when a fire breaks out, the worker carries the fire extinguishing gas cylinder 11 and moves to a fire-out point in the clean room. The fire extinguishing gas discharge nozzle 18 is directed toward the combustion material, the on-off valve is opened, and an inert fire extinguishing gas is discharged to extinguish the fire. After extinguishing the fire, close the on-off valve to stop the release of inert gas. The fire extinguishing gas cylinder 11 after use can be reused by filling with an inert gas.
[0026]
This back-fighting fire extinguishing gas cylinder 11 can be easily carried by an adult and is characterized in that it can be easily transported into a clean room. Further, the fire extinguishing gas cylinder 11 can be installed in a two-wheeled carriage and moved in a clean room. Furthermore, the fire extinguishing gas cylinder 11 can be used as a supply source of an inert gas disposed in a fire extinguishing facility equipped to extinguish the entire protected area of the clean room.
[0027]
【The invention's effect】
As described above, according to the present invention, the inert fire extinguishing gas used for fire extinguishing is composed of two kinds of mixtures in which 80 vol% or more and 92 vol% or less of argon and the remainder are carbon dioxide gas. And can enhance the fire extinguishing effect. Further, the inert digestion gas is cleaned and filled in a fire extinguishing gas cylinder that has been cleaned by electrolytic polishing inside the cylinder. Therefore, the consumption of the fire extinguishing gas is reduced, the cost of the fire extinguishing gas can be reduced, the clean room can be cleaned quickly, and the clean room can be easily restored after the fire extinguishing.
[Brief description of the drawings]
FIG. 1 is a diagram schematically showing a fire extinguisher using an inert fire extinguishing gas.
FIG. 2 is a configuration diagram showing a fire extinguishing experiment of a fire extinguishing gas according to the embodiment.
[Explanation of symbols]
10 ......... Fire extinguishers using inert fire extinguishing gas, 11 ......... Fire extinguishing gas cylinder, 12 ......... Backpack belt, 14 ......... Cylinder connection, 16 ......... High pressure hose, 18 ......... Fire extinguishing gas discharge Nozzle 19 ... Open / close lever, 20 ... Experimental gas cylinder, 22 ......... Pressure reducing valve, 24 ... High pressure hose, 26 ... Fire extinguishing nozzle, 28 ... Open / close lever.

Claims (4)

消火に用いる不活性消火ガスであって、
当該不活性消火ガスは、80vol%以上92vol%以下のアルゴンと残部を炭酸ガスとした2種の混合物からなることを特徴とする不活性消火ガス。
An inert fire extinguishing gas used for fire fighting,
The inert fire extinguishing gas is composed of two mixtures of argon of 80 vol% or more and 92 vol% or less and carbon dioxide gas as the balance.
消火に用いる不活性消火ガスであって、
当該不活性消火ガスは、空気よりも比重の重い不活性ガスと8vol%以上20vol%以下の炭酸ガスとの混合物からなることを特徴とする不活性消火ガス。
An inert fire extinguishing gas used for fire fighting,
The inert fire extinguishing gas is composed of a mixture of an inert gas having a higher specific gravity than air and a carbon dioxide gas of 8 vol% or more and 20 vol% or less.
ボンベ内部を電解研磨して清浄化処理した消火ガスボンベに80vol%以上92vol%以下のアルゴンと残部を炭酸ガスとした2種の混合物からなる不活性消火ガスを清浄化して充填したことを特徴とする不活性消火ガスを用いた消火具。A fire extinguishing gas cylinder that has been cleaned by electropolishing the inside of the cylinder is cleaned and filled with an inert fire extinguishing gas composed of two types of mixture of argon of 80 vol% or more and 92 vol% or less and the balance carbon dioxide. Fire extinguishing tool using inert fire extinguishing gas. 前記消火ガスボンベは、前記不活性消火ガスを収納するとともに消火の際に該ガスを吐出する消火ガス吐出ノズルと背負いベルトを有し、搬送移動が可能であることを特徴とする請求項3に記載の不活性消火ガスを用いた消火具。The fire-extinguishing gas cylinder has a fire-extinguishing gas discharge nozzle that discharges the inert fire gas and discharges the gas at the time of fire extinguishing, and a shoulder belt, and is capable of carrying and moving. Fire extinguishing equipment using inert fire extinguishing gas.
JP2003196117A 2003-07-11 2003-07-11 Inert fire extinguishing gas and fire extinguishing equipment using inert fire extinguishing gas Expired - Fee Related JP4871489B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003196117A JP4871489B2 (en) 2003-07-11 2003-07-11 Inert fire extinguishing gas and fire extinguishing equipment using inert fire extinguishing gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003196117A JP4871489B2 (en) 2003-07-11 2003-07-11 Inert fire extinguishing gas and fire extinguishing equipment using inert fire extinguishing gas

Publications (2)

Publication Number Publication Date
JP2005027858A true JP2005027858A (en) 2005-02-03
JP4871489B2 JP4871489B2 (en) 2012-02-08

Family

ID=34206746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003196117A Expired - Fee Related JP4871489B2 (en) 2003-07-11 2003-07-11 Inert fire extinguishing gas and fire extinguishing equipment using inert fire extinguishing gas

Country Status (1)

Country Link
JP (1) JP4871489B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015068321A1 (en) * 2013-11-08 2015-05-14 株式会社モリタホールディングス Fire prevention/extinguishing device in which gas is used, and nitrogen-enriched air fire prevention/extinguishing device
JP2016209096A (en) * 2015-04-30 2016-12-15 株式会社コーアツ Fire-extinguishing agent storage container

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015068321A1 (en) * 2013-11-08 2015-05-14 株式会社モリタホールディングス Fire prevention/extinguishing device in which gas is used, and nitrogen-enriched air fire prevention/extinguishing device
JP2015092889A (en) * 2013-11-08 2015-05-18 株式会社モリタホールディングス Fire protection device using gas and nitrogen-enriched air fire protection device
JP2016209096A (en) * 2015-04-30 2016-12-15 株式会社コーアツ Fire-extinguishing agent storage container

Also Published As

Publication number Publication date
JP4871489B2 (en) 2012-02-08

Similar Documents

Publication Publication Date Title
KR100850444B1 (en) Fire extinguishing mixtures, methods, and devices
WO2014192900A1 (en) Fire extinguishing device and fire extinguishing method
WO2006061539A3 (en) Device for increasing the effectiveness of the pressurizing gas in an extinguisher bottle
US6510901B2 (en) Portable fire protection apparatus and method using water mist
MXPA02007878A (en) Method for the suppression of fire.
UA86044C2 (en) Inerting method and fire-extinguishing device
JP4871489B2 (en) Inert fire extinguishing gas and fire extinguishing equipment using inert fire extinguishing gas
JP5389895B2 (en) An improved method for extinguishing flammable liquid fires in industrial storage tanks.
AU2103995A (en) Ozone friendly fire extinguishing methods and compositions
JP5443112B2 (en) Gas-liquid mixing equipment and fire extinguishing control method for gas-liquid mixing equipment
CN107754130A (en) A kind of back belt type explosion-proof light smoke abatement extinguishing device
CN107823818A (en) A kind of brace is portable to communicate extinguishing device
JP2010187965A (en) Smoke extinguishing agent composition
JP2002126114A (en) Pressurizing type mechanical foam extinguisher
JP2005323855A (en) Fire preventive equipment for vehicle, vehicle, and fire preventing method and fire extinguishing method for vehicle
JP2009183660A (en) Fire-fighting method and fire extinguisher
JP2002028258A (en) Inert gas fire extinguishing agent and fire extinguishing method by the same
JP2011078484A (en) Fire extinguishing equipment
JP3056582U (en) Fire extinguisher equipped with carbon dioxide detector and oxygen detector
CN207822326U (en) A kind of back belt type explosion-proof light smoke abatement extinguishing device
JPH09206399A (en) Discharging method of gaseous extinguishant
Lyakhovich DETERMINATION OF THE BEST FIRE EXTINGUISHER FOR LOCALIZING A CAR FIRE
EP1512435A3 (en) Method and apparatus for extinguishing metal fires
ARMY SAFETY CENTER FORT RUCKER AL Hot Tips on Welding Safety: A Safety Support Pamphlet
JP2002224236A (en) Gas fire extinguishing equipment

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20051212

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20071002

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20071002

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20071002

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20080327

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20080327

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20080328

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080529

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20080529

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090115

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090310

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090317

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20090526

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20090826

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110831

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20111121

R150 Certificate of patent (=grant) or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20141125

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313115

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees