JP2017070509A - Throwing extinguishing bullet - Google Patents
Throwing extinguishing bullet Download PDFInfo
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- JP2017070509A JP2017070509A JP2015199414A JP2015199414A JP2017070509A JP 2017070509 A JP2017070509 A JP 2017070509A JP 2015199414 A JP2015199414 A JP 2015199414A JP 2015199414 A JP2015199414 A JP 2015199414A JP 2017070509 A JP2017070509 A JP 2017070509A
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Abstract
Description
本発明は、火災発生時に消火剤を充填した容器を火元に投てきすることにより消火を行う投てき型消火用具に用いる消火剤に関する。 The present invention relates to a fire extinguisher used for a throwing-out type fire extinguishing tool that performs fire extinguishing by throwing a container filled with a fire extinguisher to a fire source when a fire occurs.
火災は燃焼の初期段階で消火することが被害拡大を防ぐうえで重要であり、消火器はその役割を担う消火用具であるが、一般的に消火器の取り扱いはさほど簡単ではなく訓練を要する。 これに対して投てき消火弾は手ごろな大きさで持ち易く投げ易いので、火元めがけて投げ込むだけの簡単な操作で消火活動を行える、という点で初期消火には効果的な手法といえる。 Extinguishing fires at the initial stage of combustion is important for preventing damage expansion, and fire extinguishers are a fire extinguishing tool that plays a role, but handling of fire extinguishers is generally not so easy and requires training. On the other hand, throwing fire bombs are handy and easy to hold and throw, so they can be said to be an effective technique for initial fire extinguishment in that fire extinguishing activities can be performed with a simple operation just by throwing them at the fire.
この投てき消火弾に類する消火用具としては様々なものが商品化されており、これらに用いられる消火剤としては、消火性能はもとより価格、長期安定性、人や環境に対する毒性などを総合的に満足すべく改良されつつある。 これらの商品は消火性能に関してはどれも同等レベルにあるといえるが、長期安定性や人・環境に対する毒性に関してはさまざまで、両方を満足させるものがないのが現状である。 Various fire extinguishing tools similar to this throw-out fire bomb have been commercialized, and the fire extinguishing agents used for these are comprehensively satisfying not only fire extinguishing performance but also price, long-term stability, toxicity to people and the environment, etc. It is improving as much as possible. All of these products can be said to be at the same level in terms of fire extinguishing performance, but there are a variety of long-term stability and toxicity to humans and the environment, and there is nothing that satisfies both.
このような現状に鑑み、十分な消火性能を有し、廉価で長期安定性にも優れ人や環境に対する毒性の低い消火剤を用いた商品が望まれている。 In view of such a current situation, a product using a fire extinguisher that has sufficient fire extinguishing performance, is inexpensive, has excellent long-term stability, and has low toxicity to humans and the environment is desired.
投てき消火弾用の消火剤としてはアンモニア系、硫酸アルミニウム系、炭酸カリウム系などの消火剤がよく使用されている。 これらは消火性能や化学的安定性については優れているが、刺激臭や毒性を有するなどの点で必ずしも消火剤として十分な適性を有するものとはいえない。 As fire extinguishing agents for throwing fire extinguishers, ammonia-based, aluminum sulfate-based, potassium carbonate-based extinguishing agents are often used. These are excellent in fire extinguishing performance and chemical stability, but are not necessarily suitable as fire extinguishing agents in terms of irritating odor and toxicity.
これらに対して、0.2モル程度の塩化第一鉄の水溶液を消火剤として用いたものについて消火実験を含めて評価した際には、消火性能はありコストは安く人や環境に対する毒性も非常に低いものの、保管時に酸化鉄と考えられる析出物が析出してしまうために長期備蓄には向かない、という問題点が認識された。 On the other hand, when using an aqueous solution of about 0.2 mol of ferrous chloride as a fire extinguisher, including fire extinguishing experiments, it has fire extinguishing performance, low cost, and extremely low toxicity to people and the environment However, the problem that it was not suitable for long-term stockpiling was recognized because a deposit considered to be iron oxide was deposited during storage.
そこで、保管中の酸化鉄の析出量を減らすことができれば、塩化第一鉄の水溶液は好適な消火剤となり得る、と考える。 Therefore, it is considered that an aqueous solution of ferrous chloride can be a suitable fire extinguisher if the amount of deposited iron oxide during storage can be reduced.
塩化第一鉄の水溶液の濃度を減らすことで保管中の酸化鉄の析出量を減らすことができると考えられる。 しかし、これは消火性能を低下させないという前提であり、消火実験を繰り返して解を探る必要が生じた。 消火実験の結果、0.01モル〜0.1モルの濃度範囲の塩化鉄水溶液であれば十分な消火性能を維持しつつ保管中の酸化鉄の析出量を減らすことができ長期保存も可能なことが分かった。 It is considered that the amount of iron oxide deposited during storage can be reduced by reducing the concentration of ferrous chloride aqueous solution. However, this is a premise that the fire extinguishing performance is not lowered, and it is necessary to search for a solution by repeating the fire extinguishing experiment. As a result of the fire extinguishing experiment, it was found that an iron chloride aqueous solution having a concentration range of 0.01 mol to 0.1 mol can reduce the amount of iron oxide deposited during storage while maintaining sufficient fire extinguishing performance and can be stored for a long time. .
同時に、消火性能の向上、保存期間の長期化への対応を可能とする、その他の方策も併せて実施することとした。 At the same time, it was decided to implement other measures that can improve the fire-extinguishing performance and support a longer storage period.
具体的には、消火性能の向上に関しては界面活性剤を追加混合させるものである。 Specifically, a surfactant is additionally mixed for improving the fire extinguishing performance.
保存期間の長期化については、実際に0.01モル〜0.1モルの塩化第一鉄の水溶液の製造後5年経過したものを評価したところ、酸化鉄の析出量は微量に見られたものの消火性能の劣化は見られなかった。 さらに、容器に蓋を設けることで消火剤の充填のみならず消火剤の交換をも容易に行えるようになり、消火剤の交換によって相当長期に亘って投てき消火弾としての有効性が維持される、と考えられる。 Regarding the extension of the storage period, when 5 years have passed since the manufacture of an aqueous solution of 0.01 mol to 0.1 mol of ferrous chloride was actually evaluated, the amount of iron oxide deposited was observed in a trace amount, but the extinguishing performance was There was no deterioration. Furthermore, by providing a lid on the container, not only filling of the extinguishing agent but also replacement of the extinguishing agent can be easily performed, and by replacing the extinguishing agent, the effectiveness as a fire extinguishing bullet can be maintained over a considerably long period of time. ,it is conceivable that.
さらに、塩化第一鉄水溶液の濃度を0.2モルから、0.01モル〜0.1モルの範囲に薄めることにより、製造コストの低減、人や環境への毒性のさらなる低減、に資することもできる。 Furthermore, by diluting the concentration of the ferrous chloride aqueous solution from 0.2 mol to 0.01 mol to 0.1 mol, it is possible to contribute to reduction in production cost and further reduction in toxicity to humans and the environment.
消火用具の消火性能について公的に規定されている消火実験基準に従って行った消火実験において、本発明の投てき消火弾は、水の10倍近くの消火性能を有することが分かった。 In a fire extinguishing experiment conducted in accordance with a fire extinguishing test standard that is officially specified for the fire extinguishing performance of a fire extinguishing tool, it was found that the throwing fire bomb of the present invention has a fire extinguishing performance nearly 10 times that of water.
以下に、本発明の二種類の消火剤について、その調製方法を示す。 なお、いずれの場合も塩化第一鉄四水和物(FeCl2・4H2O)を用いて0.1モル塩化第一鉄(FeCl2)水溶液を1リットル調製する場合の数値を示す。 Below, the preparation method is shown about two types of fire extinguishing agents of this invention. In either case, the numerical values in the case of preparing 1 liter of 0.1 mol ferrous chloride (FeCl 2 ) aqueous solution using ferrous chloride tetrahydrate (FeCl 2 · 4H 2 O) are shown.
以下に、0.1モル塩化第一鉄(FeCl2)水溶液を1リットル調製する場合の調製方法を示す。 まず、電子天秤を用いて塩化第一鉄四水和物(FeCl2・4H2O) 19.881グラムを計量する。 Hereinafter, a process for the preparation of the case of prepare 1 L 0.1 mol ferrous chloride (FeCl 2) aqueous solution. First, we measure 19.881 grams of ferrous chloride tetrahydrate (FeCl 2 · 4H 2 O) using an electronic balance.
計量した塩化第一鉄四水和物(FeCl2・4H2O)を適当なガラス容器に入れ、これに適量の純水を加えて撹拌し完全に溶解させる。 Place the weighed ferrous chloride tetrahydrate (FeCl 2 · 4H 2 O) in a suitable glass container, add an appropriate amount of pure water, stir and dissolve completely.
前記段落0019で溶解させた水溶液を1リットルメスフラスコに移し、メスフラスコの標線まで純水を加え、濃度が均一になるように撹拌する。 The aqueous solution dissolved in paragraph 0019 is transferred to a 1 liter volumetric flask, pure water is added to the marked line of the volumetric flask, and the mixture is stirred so that the concentration becomes uniform.
以下に、0.1モル塩化第一鉄(FeCl2)および2ボリュームパーセントのラウリル硫酸ナトリウム水溶液を1リットル調製する場合の調製方法を示す。 まず、電子天秤を用いて塩化第一鉄四水和物(FeCl2・4H2O) 19.881グラムを計量する。 The preparation method for preparing 1 liter of 0.1 molar ferrous chloride (FeCl 2 ) and 2 volume percent sodium lauryl sulfate aqueous solution is shown below. First, we measure 19.881 grams of ferrous chloride tetrahydrate (FeCl 2 · 4H 2 O) using an electronic balance.
計量した塩化第一鉄四水和物(FeCl2・4H2O)を適当なガラス容器に入れ、これに適量の純水を加えて撹拌し完全に溶解させる。 Place the weighed ferrous chloride tetrahydrate (FeCl 2 · 4H 2 O) in a suitable glass container, add an appropriate amount of pure water, stir and dissolve completely.
電子天秤を用いてラウリル硫酸ナトリウム29.7030グラムを計量する。 Weigh 29.7030 grams of sodium lauryl sulfate using an electronic balance.
計量したラウリル硫酸ナトリウムを適当なガラス容器に入れ、これに適量の純水を加えて撹拌し完全に溶解させる。 ここで、ラウリル硫酸ナトリウムは水にやや溶解しにくいので、必要に応じて昇温しながら撹拌する。 Put the weighed sodium lauryl sulfate in a suitable glass container, add an appropriate amount of pure water, stir and dissolve completely. Here, since sodium lauryl sulfate is slightly difficult to dissolve in water, it is stirred while raising the temperature as necessary.
塩化第一鉄四水和物(FeCl2・4H2O)を、前記段落0022で溶解させた水溶液に、前記段落0024で溶解させた水溶液を加える。 この時点での水溶液の撹拌は泡により液量が判別しにくくなるため避ける。 The aqueous solution in which the ferrous chloride tetrahydrate (FeCl 2 .4H 2 O) is dissolved in the paragraph 0022 is added to the aqueous solution in which the paragraph 0024 is dissolved. The stirring of the aqueous solution at this time is avoided because it is difficult to determine the amount of liquid due to bubbles.
前記段落0025の溶液1リットルをメスフラスコに移し、メスフラスコの標線まで純水を加え、濃度が均一になるように撹拌する。 Transfer 1 liter of the solution in paragraph 0025 to the volumetric flask, add pure water up to the marked line of the volumetric flask, and stir to make the concentration uniform.
水と比較して10倍近くの消火性能を有し、かつ他の投てき消火弾に採用されている消火剤と比較しても同等レベル以上の消火性能等を有する消火剤によって、投てきという容易に行える消火のための操作によって火災の初期消火を図ることのできる投てき消火弾を提供することができる。 Fire extinguishing performance that is nearly 10 times that of water and that is equivalent to or better than other types of fire extinguishing bullets can be easily thrown away. It is possible to provide a throwing fire bomb that can perform an initial fire extinguishing by performing a fire extinguishing operation that can be performed.
さらに、使用する消火剤量はその消火性能を維持できる範囲で減量することができることにより製造コストが低減されるとともに、保存中に生じ得る酸化鉄の析出量も少量に抑えらる点からは保存の長期化に寄与し、さらに容器の蓋を経由して消火剤の交換も行えるために、消火剤のみの交換が可能となり長期的に見た場合のコスト低減に寄与する。 In addition, the amount of fire extinguisher used can be reduced within the range that can maintain its fire extinguishing performance, so that the manufacturing cost is reduced, and the amount of iron oxide that can occur during storage is also kept small. The fire extinguishing agent can be exchanged via the lid of the container, so that only the extinguishing agent can be exchanged, which contributes to cost reduction in the long term.
さらに、人・環境に対する毒性についても、本発明による濃度においては、以前に評価した濃度のものと比較してさらに低くなっているため、商品として有用性が高く使用の促進が期待できる。 Furthermore, since the toxicity according to the present invention is lower than the concentration evaluated previously, the toxicity to humans and the environment is highly useful as a commercial product, and the promotion of use can be expected.
このように商品化の価値は高いもの、と考えられる。 In this way, the value of commercialization is considered high.
1 投てき消火弾
2 容器
3 容器の蓋
4 消火剤(容器内)
1 Throwing fire extinguisher 2
Claims (1)
A fire extinguishing bomb that extinguishes fire by throwing a container filled with a fire extinguisher, and ferrous chloride tetrahydrate having a concentration of 0.01 mol / liter to 0.1 mol / liter as a fire extinguisher filling the container Either an aqueous solution of a hydrate or an aqueous solution in which sodium lauryl sulfate as a surfactant is mixed with an aqueous solution of ferrous chloride tetrahydrate having a concentration of 0.01 mol / liter to 0.1 mol / liter is used. Characteristic throw-out fire bomb.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108905025A (en) * | 2018-09-14 | 2018-11-30 | 山东新来电能源科技有限公司 | A kind of throwing type fire annihilator |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108905025A (en) * | 2018-09-14 | 2018-11-30 | 山东新来电能源科技有限公司 | A kind of throwing type fire annihilator |
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