JPH0337081A - Mixing device for foamy fire-extinguishing agent - Google Patents
Mixing device for foamy fire-extinguishing agentInfo
- Publication number
- JPH0337081A JPH0337081A JP17115289A JP17115289A JPH0337081A JP H0337081 A JPH0337081 A JP H0337081A JP 17115289 A JP17115289 A JP 17115289A JP 17115289 A JP17115289 A JP 17115289A JP H0337081 A JPH0337081 A JP H0337081A
- Authority
- JP
- Japan
- Prior art keywords
- stock solution
- water
- foamy
- fire
- pressure difference
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000011550 stock solution Substances 0.000 claims abstract description 23
- 239000006260 foam Substances 0.000 claims description 34
- 238000001514 detection method Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 244000256297 Euphorbia tirucalli Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、泡消火装置であって、放水用ポンプの吸水
部に泡原液を注入混合する装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a foam fire extinguishing system, which injects and mixes a foam stock solution into the water suction part of a water discharge pump.
（従来の技術）
一般に泡消火装置や化学消防車における泡消火剤調合装
置にあっては、泡原液は放水ポンプの吐出部に注入混合
している。(Prior Art) In general, in foam fire extinguishing equipment and foam fire extinguishing agent mixing devices for chemical fire engines, foam concentrate is injected and mixed into the discharge part of a water pump.
〈発明が解決しようとする問題点〉
最近化学消防車が、石油プラントにおいて消火栓から「
Ｃ接給水して泡消火剤を放射するに際し、従来通りのポ
ンプ吐出部に泡原液を注入する装置を用いた場合、消火
栓の水頭が平常水面より相当高いために正常な泡層液混
合比率が得られないという問題がある。<Problem to be solved by the invention> Recently, a chemical fire engine has been used to fire hydrants at petroleum plants.
When discharging foam fire extinguishing agent by supplying water, if a conventional device that injects foam concentrate into the pump discharge part is used, the water head of the fire hydrant is considerably higher than the normal water level, so the normal foam layer liquid mixing ratio may not be achieved. The problem is that you can't get it.
この発明は、ポンプ吸水部に連結する水源が十−如何な
る水頭でも、常に正常なる泡層液混合比率が得られる泡
消火剤調合装置を得ることを目的とするものである。The object of the present invention is to provide a foam fire extinguishing agent mixing device that can always obtain a normal foam layer liquid mixing ratio no matter what the water head of the water source connected to the water suction part of the pump.
（問題点を解決するための手段〉 第１図の実施例により説明する。(Means for solving problems) This will be explained using the embodiment shown in FIG.
放水用ポンプＰの吸水管１に、泡層液槽２より泡層液を
注入混合する装置において、この原液供給管３と吸水管
ｌとに圧力検出部４．５をそれぞれ設け１両検出部４．
５からの信号を差圧発信器６に導き、差圧発信器６を経
て、差圧ｒｆ４整器７により、前記泡原液供給管３の制
御弁８を制御する泡消火剤調合装置である。In a device for injecting and mixing a foam layer liquid from a foam layer liquid tank 2 into a water suction pipe 1 of a water discharge pump P, a pressure detecting section 4.5 is provided in each of the stock solution supply pipe 3 and a water suction pipe l, and one detection section is used. 4.
This is a foam extinguishing agent mixing device in which a signal from 5 is guided to a differential pressure transmitter 6, and via the differential pressure transmitter 6, a differential pressure rf4 regulator 7 controls the control valve 8 of the foam stock solution supply pipe 3.
（請求項〈１〉記載の作用） 消火栓の連結口９を十水頭の消火栓に連結する。(Action described in claim <1>) Connect the connection port 9 of the fire hydrant to a fire hydrant with 10 water heads.
ノズル連結口１０にノズルを連結する。A nozzle is connected to the nozzle connection port 10.
差圧調整器７．差圧発信器６、ｌ１ＩＩＩｔ！Ｉ弁６に
は図示してないが電力が供給される。Differential pressure regulator7. Differential pressure transmitter 6, l1IIIt! Although not shown, electric power is supplied to the I valve 6.
放水ポンプＰ、泡消火原液ボンプルはエンジンまたはモ
ーターによって同時に運転する。The water pump P and the foam fire extinguishing liquid pump are operated simultaneously by an engine or a motor.
それによって原液供給管と吸水管の圧力検出部４．５に
水圧力が検出されて、その電気信号が差圧発信器６に導
かれる。差圧発信３６において両信号の比較信号は差圧
ｌｌｌ１ｌ器７に導かれ、前記両信号の比較信号が常に
一定になるように制御弁８（モーターバルブ）を制御す
る。As a result, the water pressure is detected by the pressure detecting portions 4.5 of the stock solution supply pipe and the water suction pipe, and its electrical signal is guided to the differential pressure transmitter 6. In the differential pressure transmitter 36, a comparison signal of both signals is led to a differential pressure lll1l device 7, and a control valve 8 (motor valve) is controlled so that the comparison signal of both signals is always constant.
したがってポンプ吸水部が同一エンジンで運転しても、
泡消火原液は制御弁８によって開閉を加減し、消火栓の
水頭がどのように変化しても放水ポンプＰより放水され
る水には、泡消火原液が常に一定比率混合される。Therefore, even if the pump suction section is operated with the same engine,
The opening and closing of the foam fire extinguishing stock solution is controlled by the control valve 8, and no matter how the water head of the fire hydrant changes, the foam firefighting stock solution is always mixed at a constant ratio in the water discharged from the water discharge pump P.
（請求項〈２）記載の発明〉 第２図の実施例により説明する。(Invention described in claim <2)> This will be explained using the embodiment shown in FIG.
放水ポンプＰの吸水管１に泡層液槽２より泡層液を注入
混合する装置において、この泡原液供給管３と、吸水管
１とに圧力検出部４．５をそれぞれ設け、両検出部４．
５を差圧ｍｍ器７ａに導き、差圧２１！ＩｆＭ器７ａに
は圧力ガス（例えば空気）を導入し、この圧力ガスを差
圧調整器７ａによって制御弁８ａを制御し、部属液量を
加減する泡消火剤調合装置である。（請求項（２〉記載
の作用）前発明同様に連結口９には消火栓を、３！！結
目ｌＯにはノズルを連結する。In a device for injecting and mixing a foam layer liquid from a foam layer liquid tank 2 into a water suction pipe 1 of a water discharge pump P, a pressure detection section 4.5 is provided in the foam stock solution supply pipe 3 and a water suction pipe 1, respectively, and both detection sections are provided. 4.
5 to the differential pressure mm device 7a, and the differential pressure 21! The IfM device 7a is a foam extinguishing agent mixing device in which pressure gas (for example, air) is introduced, and the pressure gas is controlled by a control valve 8a by a differential pressure regulator 7a to adjust the amount of liquid. (Action according to claim (2)) As in the previous invention, a fire hydrant is connected to the connecting port 9, and a nozzle is connected to the 3!! knot 1O.
差圧１１１１３７には、圧力ガスと電力を供給する。Pressure gas and electric power are supplied to the differential pressure 111137.
制御弁８ａには圧力ガスと、制御用ガスが入る。Pressure gas and control gas enter the control valve 8a.
放水用ポンプＰと泡消火原液ボンプルはエンジンまたは
モモ−ターによって運転する。The water discharge pump P and foam fire extinguishing solution pump are operated by an engine or a motor.
部属液供給管３内の圧力は圧力検出部４によって、また
吸水管ｌ内の圧力は圧力検出部５によって検出し、その
圧力はそのまま導管４ａ、５ａより差圧調整器７ａに導
かれる。差圧調整器７ａにおいて、両圧力を比較し、常
にその圧力値が一定となるよう制御ガスを制御弁８ａに
送り、制御弁８ａに入る弁駆動用圧力ガスを加減して弁
を制御する。それにより吸水管１の水圧力が十水頭にあ
っても泡原液供給管３と吸水管ｌ内の圧力は常に一定と
なる。The pressure inside the affiliated liquid supply pipe 3 is detected by the pressure detection section 4, and the pressure inside the water suction pipe 1 is detected by the pressure detection section 5, and the pressures are directly guided to the differential pressure regulator 7a through the conduits 4a and 5a. The differential pressure regulator 7a compares both pressures, sends control gas to the control valve 8a so that the pressure value is always constant, and controls the valve by adjusting or subtracting the valve driving pressure gas that enters the control valve 8a. As a result, even if the water pressure in the water suction pipe 1 is at ten water heads, the pressure in the foam stock solution supply pipe 3 and the water suction pipe 1 is always constant.
（発明の効果〉
この発明によれば、一般平常水面から吸水する場合は勿
論のこと、石油プラント等においてポンプ吸水部を十水
頭の消火栓を用いても、また吸水時その圧力が変動して
も、常に泡層液を正常比率で水に混合でき、部属液混合
比率優秀で、化学消防車、泡消火装置に広く利用できる
。(Effects of the Invention) According to the present invention, not only can water be sucked from the normal water surface, but also when a 10-head fire hydrant is used as the pump water suction part in oil plants, etc., and even when the pressure fluctuates during water suction. It can always mix the foam layer liquid with water in the normal ratio, and has an excellent mixing ratio of liquids, so it can be widely used in chemical fire engines and foam fire extinguishing equipment.
第１ Ａ 第２図はこの発明のそれぞれ異なる実 施例を示す系統図。1st A Figure 2 shows different implementations of this invention. Systematic diagram showing an example.
特許 ８願人 「］本ドライケミカル株式会社 ヌラ 図 第２図patent 8 applicants ``] Hon Dry Chemical Co., Ltd. Nura figure Figure 2
Claims (2)
置において、泡原液供給管と吸水管とに圧力検出部を設
け、両検出部からの信号を差圧発信器に導き、差圧発信
器を経て差圧調整器により、前記泡原液供給管の制御弁
を制御し、泡原液量を加減することを特徴とする泡原液
消火剤調合装置。(1) In a device that injects and mixes foam stock solution into the water suction pipe of a water discharge pump, a pressure detection section is provided in the foam stock solution supply pipe and the water suction pipe, and the signals from both detection sections are guided to a differential pressure transmitter. A foam stock solution extinguishing agent mixing device characterized in that a control valve of the foam stock solution supply pipe is controlled by a differential pressure regulator via a transmitter to adjust the amount of foam stock solution.
置において、泡原液供給管と吸水管とに圧力検出部を設
け、両検出部を差圧調整器に導き、差圧調整器には圧力
ガスを導入し、この圧力ガスを差圧調整器によって、前
記原液供給管の制御弁を制御し、泡原液量を加減するこ
とを特徴とする泡消火剤調合装置。(2) In a device that injects and mixes foam stock solution into the water suction part of a water discharge pump, a pressure detection section is provided in the foam stock solution supply pipe and the water suction pipe, and both detection sections are guided to a differential pressure regulator. A fire extinguishing foam mixing device, characterized in that a pressure gas is introduced and the pressure gas is controlled by a differential pressure regulator to control a control valve of the stock solution supply pipe to adjust the amount of the foam stock solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1171152A JPH0817834B2 (en) | 1989-07-04 | 1989-07-04 | Foam extinguisher compounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1171152A JPH0817834B2 (en) | 1989-07-04 | 1989-07-04 | Foam extinguisher compounding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0337081A true JPH0337081A (en) | 1991-02-18 |
| JPH0817834B2 JPH0817834B2 (en) | 1996-02-28 |
Family
ID=15917955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1171152A Expired - Lifetime JPH0817834B2 (en) | 1989-07-04 | 1989-07-04 | Foam extinguisher compounding device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0817834B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007089855A (en) * | 2005-09-29 | 2007-04-12 | Hochiki Corp | Fire fighting equipment |
| CN108525165A (en) * | 2017-03-01 | 2018-09-14 | 中国石油化工股份有限公司 | A kind of foam-generating device using chemical reaction |
| CN109758698A (en) * | 2017-11-09 | 2019-05-17 | 株式会社卡施瓦 | High-multiple foam extinguishing device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4567427B2 (en) * | 2004-12-03 | 2010-10-20 | 能美防災株式会社 | Fire extinguishing agent addition device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6411569A (en) * | 1987-07-06 | 1989-01-17 | Nittan Co Ltd | Foam fire extinguishing agent mixing apparatus |
-
1989
- 1989-07-04 JP JP1171152A patent/JPH0817834B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6411569A (en) * | 1987-07-06 | 1989-01-17 | Nittan Co Ltd | Foam fire extinguishing agent mixing apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007089855A (en) * | 2005-09-29 | 2007-04-12 | Hochiki Corp | Fire fighting equipment |
| CN108525165A (en) * | 2017-03-01 | 2018-09-14 | 中国石油化工股份有限公司 | A kind of foam-generating device using chemical reaction |
| CN109758698A (en) * | 2017-11-09 | 2019-05-17 | 株式会社卡施瓦 | High-multiple foam extinguishing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0817834B2 (en) | 1996-02-28 |
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