JPH0446154B2 - - Google Patents
Info
- Publication number
- JPH0446154B2 JPH0446154B2 JP19557485A JP19557485A JPH0446154B2 JP H0446154 B2 JPH0446154 B2 JP H0446154B2 JP 19557485 A JP19557485 A JP 19557485A JP 19557485 A JP19557485 A JP 19557485A JP H0446154 B2 JPH0446154 B2 JP H0446154B2
- Authority
- JP
- Japan
- Prior art keywords
- extinguishing agent
- fire
- extinguishing
- gas
- water
- 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.)
- Expired
Links
- 239000003795 chemical substances by application Substances 0.000 claims description 68
- 239000000843 powder Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 150000004820 halides Chemical class 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は火災の状況に応じてガス又は粉末系消
火剤と水系消火剤のいずれかを選択的に放出する
ことができる固定式消火装置に関するものであ
る。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a fixed fire extinguishing system that can selectively release either a gas or dry extinguishing agent or a water extinguishing agent depending on the fire situation. It is something.
（従来の技術）
従来、消防法やその他の関連規準等に基いて各
防護対象物にはその種類に応じた固定式消火装置
が設置されている。固定式消火装置はCO2ガスや
ハロゲン化物ガスのような高圧のガス又は消火用
の粉末を放出する形式のものと水系消火剤を放出
する形式のものとに大別されるが、ガス式や粉末
式の消火装置は防護対象物を損傷することがない
利点を有する反面、冷却効果が不十分で消火後に
も高温部分が残り再着火を起こし易いこと、貯蔵
量の消火剤を放出しても消火できない場合には消
火を継続することができないこと等の欠点を有す
る。そこで重要な防護対象物が置かれている防護
対象区域にはガス又は粉末系消火剤と水系消火剤
式の２系統の消火装置を並列的に設置している
が、経済的ではないうえに消火配管が錯綜し、ま
た一方の消火装置の消火配管やノズル自体が障害
物となり他方の消火装置の性能が十分に発揮でき
なくなる等の問題点があつた。(Prior Art) Conventionally, in accordance with the Fire Service Act and other related standards, fixed fire extinguishing devices have been installed in each protected object according to its type. Fixed fire extinguishing systems are broadly divided into those that emit high-pressure gas such as CO 2 gas or halide gas or extinguishing powder, and those that emit water-based extinguishing agents. Dry powder fire extinguishing systems have the advantage of not damaging the protected object, but they do not have an adequate cooling effect, leaving hot parts even after extinguishing the fire and can easily cause re-ignition, and even if the stored amount of extinguishing agent is released, It has drawbacks such as the inability to continue extinguishing a fire if it cannot be extinguished. Therefore, two systems of fire extinguishing systems, one using a gas or dry extinguishing agent and the other using a water-based extinguishing agent, are installed in parallel in the protected area where important objects to be protected are located, but this is not economical and is difficult to extinguish. There were problems such as the piping was complicated, and the fire extinguishing piping and nozzle of one fire extinguishing system itself became an obstruction, making it impossible for the other fire extinguishing system to perform adequately.
（発明が解決しようとする問題点）
本発明は上記のような従来の問題点を解決し
て、共通の消火配管を利用して水系消火剤とガス
又は粉末系消火剤とを選択的に放出することがで
きる固定式消火装置を目的として完成されたもの
である。(Problems to be Solved by the Invention) The present invention solves the above-mentioned conventional problems and selectively discharges a water-based extinguishing agent and a gas or powder-based extinguishing agent using a common fire extinguishing pipe. It was completed with the aim of being a fixed fire extinguishing system that can
（問題点を解決するための手段）
本発明は、防護対象区域に基部が水系消火剤供
給源及びこれよりも高圧のガス又は粉末系消火剤
供給源に選択的に連通される消火配管を設置する
とともに、該消火配管には供給される消火剤の圧
力により自動的に切り換わる切換弁を設け、この
切換弁の先端に水系消火剤用のノズルとガス又は
粉末系消火剤用のノズルとを二股状に連設してな
るノズル装置を配設したことを特徴とするもので
ある。(Means for Solving the Problems) The present invention installs fire extinguishing piping whose base selectively communicates with a water-based extinguishing agent supply source and a higher pressure gas or dry powder extinguishing agent supply source in a protected area. At the same time, the fire extinguishing piping is equipped with a switching valve that automatically switches depending on the pressure of the extinguishing agent supplied, and a nozzle for water-based extinguishing agent and a nozzle for gas or powder-based extinguishing agent are installed at the tip of this switching valve. This device is characterized by having a nozzle device arranged in a bifurcated manner.
（実施例）
次に本発明を図示の実施例について詳細に説明
する。(Embodiments) Next, the present invention will be described in detail with reference to illustrated embodiments.
第１図において、１は防護対象区域、２は該防
護対象区域１に配設された消火配管、３は該消火
配管２の適当箇所に多数配設されたノズル装置で
ある。４は送水ポンプのような水系消火剤供給
源、５はハロゲン化物ガスボンベのような高圧の
ガス又は高圧の粉末系消火剤供給源であつて、消
火配管２の基部は火災発生時には弁６及び消火剤
選択弁７，８を介して水系消火剤供給源４とガス
又は粉末系消火剤供給源５のいずれかに選択的に
連通されるよう構成されている。またノズル装置
３は切換弁９の先端に水系消火剤用のノズル１０
とガス又は粉末系消火剤用のノズル１１とを二股
状に連設したものである。 In FIG. 1, 1 is a protected area, 2 is a fire extinguishing pipe installed in the protected area 1, and 3 is a large number of nozzle devices installed at appropriate locations on the fire extinguishing pipe 2. 4 is a water-based extinguishing agent supply source such as a water pump; 5 is a high-pressure gas or high-pressure powder extinguishing agent source such as a halide gas cylinder; It is configured to selectively communicate with either the aqueous extinguishing agent supply source 4 or the gas or powder extinguishing agent supply source 5 via agent selection valves 7 and 8. Further, the nozzle device 3 has a nozzle 10 for water-based extinguishing agent at the tip of the switching valve 9.
and a nozzle 11 for gas or powder extinguishing agent are arranged in a bifurcated manner.
切換弁９は例えば第２図に示すように弁本体１
２の内部にスプリング１３とＬ字状等の孔１８が
透設された可動弁体１４とを収納したものであ
り、弁本体１２のスプリング１３とは反対側の端
面には消火配管２との接続口１５が設けられ、ま
た側壁には水系消火剤用のノズル１０との接続口
１６とガス又は粉末系消火剤用のノズル１１との
接続口１７とが設けられている。一般に水系消火
剤の圧力は3.5Kg／cm2前後であるに対してガス又
は粉末系消火剤の圧力は９〜10Kg／cm2と比較的高
圧であるので、消火配管２に水系消火剤が供給さ
れたときには切換弁９の可動弁体１４は第２図の
位置でバランスして水系消火剤は孔１８及び接続
口１６を介して水系消火剤用のノズル１０から放
出されることとなるが、消火配管２にガス又は粉
末系消火剤が供給されると可動弁体１４は供給さ
れる消火剤の圧力によりスプリング１３を圧縮し
つつ下降してその孔１８が接続口１７に連通する
こととなり、ガス又は粉末系消火剤がガス又は粉
末系消火剤用のノズル１１から放出されることと
なる。 For example, the switching valve 9 is connected to the valve body 1 as shown in FIG.
A spring 13 and a movable valve body 14 with an L-shaped hole 18 are housed inside the valve body 2, and the end face of the valve body 12 opposite to the spring 13 is connected to the fire extinguishing pipe 2. A connection port 15 is provided, and a connection port 16 for a nozzle 10 for aqueous extinguishing agent and a connection port 17 for a nozzle 11 for a gas or powder extinguishing agent are provided on the side wall. In general, the pressure of water-based extinguishing agents is around 3.5 Kg/ cm2 , while the pressure of gas or powder-based extinguishing agents is relatively high at 9 to 10 Kg/ cm2 , so water-based extinguishing agents are supplied to the fire extinguishing pipe 2. When the movable valve body 14 of the switching valve 9 is balanced in the position shown in FIG. When a gas or powder extinguishing agent is supplied to the fire extinguishing pipe 2, the movable valve body 14 moves downward while compressing the spring 13 due to the pressure of the supplied extinguishing agent, and the hole 18 thereof communicates with the connection port 17. A gas or powder extinguishing agent will be ejected from the nozzle 11 for gas or powder extinguishing agent.
第３図は切換弁９の他の例を示すもので、可動
弁体１４と弁本体１２との間に皿ばね、板ばね等
１９を介在させて可動弁体１４が供給される消火
剤の圧力に応じて２つの位置で安定するようにし
たものである。 FIG. 3 shows another example of the switching valve 9, in which a disc spring, plate spring, etc. 19 is interposed between the movable valve body 14 and the valve body 12, and the movable valve body 14 is used to supply extinguishing agent. It is designed to be stable in two positions depending on the pressure.
また第４図は切換弁９を回転式としたもので円
筒状の可動弁体１４にピニオン２０を設け、これ
にかみ合うラツク２１を消火剤の圧力によつて作
動するシリンダ機構２２を用いて動かすようにし
たものである。消火剤が水系消火剤である場合に
は可動弁体１４は第４図の位置を取るが、高圧の
ガス又は粉末系消火剤が接続口１５に入るとラツ
ク２１が伸び、可動弁体１４は時計方向に90°回
転することとなる。 FIG. 4 shows a rotary switching valve 9, in which a cylindrical movable valve body 14 is provided with a pinion 20, and a rack 21 that engages with the pinion 20 is moved using a cylinder mechanism 22 operated by the pressure of extinguishing agent. This is how it was done. When the extinguishing agent is a water-based extinguishing agent, the movable valve body 14 assumes the position shown in FIG. It will rotate 90° clockwise.
（作用）
このように構成されたものは、火災発生時には
消火配管２の基部が先ずガス又は粉末系消火剤供
給源５に接続されて例えばハロゲン化物ガスのよ
うな高圧のガス又は粉末系消火剤が消火配管２に
供給されると、消火配管２に多数配設されたノズ
ル装置３の切換弁９がガス又は粉末系消火剤の圧
力により作動してガス又は粉末系消火剤をガス又
は粉末系消火剤用のノズル１１から放出し、防護
対象区域１に対してガス又は粉末による消火を行
うものである。ガス又は粉末による消火のみによ
つて鎮火すれば消火装置の作動は終了するが、所
定量のガス又は粉末系消火剤を放出してもなお消
火することができない場合には消火配管２は水系
消火剤供給源５に接続され、水系消火剤は同一の
消火配管２を流れてノズル装置３に達する。水系
消火剤の水圧は一般にガス又は粉末系消火剤より
もかなり低いので、切換弁９はその圧力差により
切換つて水系消火剤は水系消火剤用のノズル１０
から放出され、ガス又は粉末系消火剤のみによつ
ては消火できなかつた火災を完全に鎮火させるこ
ととなる。このように本発明の固定式消火装置は
ガス又は粉末系消火剤と水系消火剤の２種類の消
火剤を放出することができるものであるから火災
発生時には先ずガス又は粉末系消火剤による消火
を行い、この方法では消火できない場合にのみ水
系消火剤による消火を行うことができて両者の利
点を生かした消火を行うことができるうえ、消火
配管２を共通して使用できるので２系統を並列に
設けるよりも経済的である。またガス又は粉末系
消火剤と水系消火剤とはそれぞれの専用のノズル
１０，１１から放出できるとともに、それらは切
換弁９に二股状に連接されたものであるから一方
のノズルが他方のノズルの障害となつて消火機能
を阻害することがなく、しかも切換弁９は供給さ
れる消火剤の圧力に応じて流路の切り換えが行わ
れるようにしたので、火災時においても確実にノ
ズルの切換えを行わせることができるものであ
る。また燻燃火災のようにガス消火で消炎できて
も深部に火種が残る場合に水消火を行うことによ
り完全消火が可能となる。(Function) When a fire occurs, the base of the fire extinguishing pipe 2 is first connected to the gas or powder extinguishing agent supply source 5, and a high-pressure gas such as a halide gas or powder extinguishing agent is supplied. is supplied to the fire extinguishing pipe 2, the switching valve 9 of the nozzle device 3 arranged in large numbers in the fire extinguishing pipe 2 is operated by the pressure of the gas or powder extinguishing agent, and the gas or powder extinguishing agent is switched to the gas or powder extinguishing agent. A fire extinguishing agent is discharged from a nozzle 11 to extinguish the protected area 1 with gas or powder. If the fire is extinguished only with gas or powder, the operation of the fire extinguishing system will end; however, if the fire cannot be extinguished even after releasing a predetermined amount of gas or powder extinguishing agent, the fire extinguishing piping 2 will be used for water-based extinguishing. The water-based extinguishing agent flows through the same extinguishing pipe 2 and reaches the nozzle device 3 . Since the water pressure of a water-based extinguishing agent is generally much lower than that of a gas or dry powder extinguishing agent, the switching valve 9 switches the water-based extinguishing agent to the nozzle 10 for the water-based extinguishing agent based on the pressure difference.
This will completely extinguish fires that could not be extinguished with gas or powder extinguishing agents alone. As described above, the fixed fire extinguishing system of the present invention is capable of discharging two types of extinguishing media: gas or powder extinguishing agent and water-based extinguishing agent, so when a fire occurs, it is necessary to first extinguish the fire with gas or powder extinguishing agent. If the fire cannot be extinguished using this method, the fire can be extinguished using a water-based extinguishing agent, making it possible to extinguish the fire by taking advantage of the advantages of both methods.In addition, since the fire extinguishing piping 2 can be used in common, the two systems can be used in parallel. It is more economical than installing one. Furthermore, the gas or powder-based extinguishing agent and the water-based extinguishing agent can be discharged from dedicated nozzles 10 and 11, respectively, and since they are connected to the switching valve 9 in a bifurcated manner, one nozzle is connected to the other nozzle. It does not become an obstacle and impede the fire extinguishing function, and the switching valve 9 is designed to switch the flow path according to the pressure of the supplied extinguishing agent, so the nozzle can be switched reliably even in the event of a fire. It is something that can be done. In addition, in cases where the fire can be extinguished with gas extinguishing, such as a smoldering fire, but the source of the fire remains deep inside, it is possible to completely extinguish the fire by extinguishing it with water.
本実施例では水系消火剤として水を用いている
が、泡消火剤や強化液消火剤等水系消火剤であれ
ば何ら特定することがなく、ガス消火を粉末消火
に変更することも可能である。この場合消火ノズ
ル１０，１１はそれぞれの消火剤に適したものに
変更することが必要である。また消火剤によりノ
ズル個数が異なる場合にはノズル１０又は１１の
一部を省略してもよい。 In this example, water is used as the water-based fire extinguishing agent, but there is no specification as long as it is a water-based fire extinguishing agent such as a foam fire extinguishing agent or a reinforced liquid fire extinguishing agent, and it is also possible to change gas fire extinguishing to powder fire extinguishing. . In this case, it is necessary to change the extinguishing nozzles 10 and 11 to ones suitable for each extinguishing agent. Furthermore, if the number of nozzles differs depending on the extinguishing agent, some of the nozzles 10 or 11 may be omitted.
（発明の効果）
本発明は以上の説明からも明らかなように、共
通の消火配管を利用して水系消火剤とガス又は粉
末系消火剤とを選択的に放出することができるも
のであるから、２系統の消火装置を並列的に設け
た場合よりも経済的であるうえ一方が他方の機能
を阻害することがなく、また切換弁は火災時にお
いて確実に作動して適確な消火を行うことができ
るものである。よつて本発明は従来の問題点を解
決した固定式消火装置として、その実用的価値は
極めて大である。(Effects of the Invention) As is clear from the above description, the present invention is capable of selectively discharging a water-based extinguishing agent and a gas or powder-based extinguishing agent using a common fire extinguishing pipe. It is more economical than installing two systems of fire extinguishing systems in parallel, and one does not interfere with the function of the other, and the switching valve operates reliably in the event of a fire to extinguish the fire properly. It is something that can be done. Therefore, the present invention has extremely great practical value as a fixed fire extinguishing system that solves the conventional problems.
第１図は本発明の実施例を示す配管図、第２図
は切換弁の一例を示す一部切欠正面図、第３図は
切換弁の他の例を示す一部切欠正面図、第４図は
切換弁の更に他の例を示す一部切欠正面図であ
る。
１……防護対象区域、２……消火配管、３……
ノズル装置、４……水系消火剤供給源、５……ガ
ス又は粉末系消火剤供給源、９……切換弁、１
０，１１……ノズル。
Fig. 1 is a piping diagram showing an embodiment of the present invention, Fig. 2 is a partially cutaway front view showing an example of the switching valve, Fig. 3 is a partially cutaway front view showing another example of the switching valve, and Fig. 4 is a partially cutaway front view showing another example of the switching valve. The figure is a partially cutaway front view showing still another example of the switching valve. 1...Protected area, 2...Fire piping, 3...
Nozzle device, 4... water-based extinguishing agent supply source, 5... gas or powder-based extinguishing agent supply source, 9... switching valve, 1
0,11...Nozzle.
Claims (1)
及びこれよりも高圧のガス又は粉末系消火剤供給
源５に選択的に連通される消火配管２を設置する
とともに、該消火配管２には供給される消火剤の
圧力により自動的に切り換わる切換弁９を設け、
この切換弁９の先端に水系消火剤用のノズル１０
とガス又は粉末系消火剤用のノズル１１とを二股
状に連設してなるノズル装置３を配設したことを
特徴とする固定式消火装置。1 Water-based extinguishing agent supply source 4 in protected area 1
A fire extinguishing pipe 2 is installed which selectively communicates with a higher pressure gas or dry powder extinguishing agent supply source 5, and the fire extinguishing pipe 2 is equipped with a switch that automatically switches depending on the pressure of the extinguishing agent supplied. A valve 9 is provided,
A nozzle 10 for water-based extinguishing agent is installed at the tip of this switching valve 9.
A fixed fire extinguishing system characterized in that a nozzle device 3 is provided in which a nozzle 11 for a gas or powder fire extinguishing agent is arranged in a bifurcated manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19557485A JPS6257568A (en) | 1985-09-04 | 1985-09-04 | Fixed type fire extinguishing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19557485A JPS6257568A (en) | 1985-09-04 | 1985-09-04 | Fixed type fire extinguishing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6257568A JPS6257568A (en) | 1987-03-13 |
| JPH0446154B2 true JPH0446154B2 (en) | 1992-07-29 |
Family
ID=16343391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19557485A Granted JPS6257568A (en) | 1985-09-04 | 1985-09-04 | Fixed type fire extinguishing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6257568A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3546113A1 (en) * | 1985-12-24 | 1987-06-25 | Santrade Ltd | COMPOSITE POWDER PARTICLES, COMPOSITE BODIES AND METHOD FOR THE PRODUCTION THEREOF |
| JP2002233588A (en) * | 2001-02-08 | 2002-08-20 | Secom Co Ltd | Fire extinguishing equipment |
| JP2008290838A (en) * | 2007-05-24 | 2008-12-04 | Kyokuto Kaihatsu Kogyo Co Ltd | Garbage collection vehicle |
| JP5681748B2 (en) * | 2012-04-30 | 2015-03-11 | ソウル特別市 | Fire extinguisher |
| JP6027189B2 (en) * | 2015-05-27 | 2016-11-16 | エア・ウォーター防災株式会社 | Fire extinguishing gas injection device |
| JP2018175276A (en) * | 2017-04-11 | 2018-11-15 | 有限会社アイティーウェア湘南 | Simple installation type automatic fire fighting facility |
| JP7431055B2 (en) * | 2020-02-26 | 2024-02-14 | 能美防災株式会社 | Tunnel disaster prevention equipment |
| JP7840883B2 (en) * | 2023-01-18 | 2026-04-06 | 株式会社日立製作所 | Automatic fire extinguishing systems, programs for automatic fire extinguishing systems, and energy storage systems |
-
1985
- 1985-09-04 JP JP19557485A patent/JPS6257568A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6257568A (en) | 1987-03-13 |
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