JPH0817834B2 - Foam extinguisher compounding device - Google Patents
Foam extinguisher compounding deviceInfo
- Publication number
- JPH0817834B2 JPH0817834B2 JP1171152A JP17115289A JPH0817834B2 JP H0817834 B2 JPH0817834 B2 JP H0817834B2 JP 1171152 A JP1171152 A JP 1171152A JP 17115289 A JP17115289 A JP 17115289A JP H0817834 B2 JPH0817834 B2 JP H0817834B2
- Authority
- JP
- Japan
- Prior art keywords
- stock solution
- foam
- differential pressure
- water
- supply pipe
- 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 - Lifetime
Links
- 239000006260 foam Substances 0.000 title claims description 31
- 238000013329 compounding Methods 0.000 title description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 239000011550 stock solution Substances 0.000 claims description 22
- 238000002156 mixing Methods 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000012141 concentrate Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 238000005187 foaming Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 2
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 239000000243 solution 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） 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。Description: TECHNICAL FIELD The present invention relates to a foam fire extinguisher device for injecting and mixing a foam stock solution into a water absorbing portion 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) Generally, in a foam extinguisher or a foam extinguishing agent blending device in a chemical fire engine, a foam stock solution is injected and mixed into a discharge part of a water discharge 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
直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原液混
合比率が得られないという問題がある。(Problems to be solved by the invention) When a chemical fire engine has recently used a conventional device for injecting a stock solution into a pump discharge section when directly supplying water from a fire hydrant to emit a foam extinguishing agent in an oil plant. However, there is a problem that the normal mixing ratio of the foam concentrate cannot be obtained because the water head of the fire hydrant is considerably higher than the normal water surface.
この発明は、ポンプ吸水部に連結する水源が＋−如何
なる水頭でも、常に正常なる泡原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。It is an object of the present invention to obtain a foam extinguisher compounding device which can always obtain a normal foaming stock solution mixing ratio regardless of whether the water source connected to the pump water absorption section is + or-.
（問題点を解決するための手段） （請求項（１）記載の発明） 第１図の実施例により説明する。(Means for Solving Problems) (Invention of Claim (1)) The embodiment of FIG. 1 will be described.
放水用ポンプＰの吸水管１に、泡原液槽２より泡原液
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１とに圧力検出部4,5をそれぞれ設け、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、
差圧調整器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 stock solution from a foam stock solution tank 2 into a water absorption tube 1 of a water discharge pump P, pressure detection units 4 and 5 are respectively provided to the stock solution supply pipe 3 and the water absorption pipe 1, and both detection units 4 and Guide the signal from 5 to the differential pressure transmitter 6, and through the differential pressure transmitter 6,
This is a foam extinguisher compounding device for controlling the control valve 8 of the foam stock solution supply pipe 3 by the differential pressure regulator 7.
（請求項（１）記載の作用） 消火栓の連続口９を＋水頭の消火栓に連結する。ノズ
ル連結口10にノズルを連結する。(Operation of Claim (1)) The continuous port 9 of the fire hydrant is connected to the + hydrant fire hydrant. A nozzle is connected to the nozzle connection port 10.
差圧調整器７、差圧発信器６、制御弁６には図示して
ないが電力が供給される。Electric power is supplied to the differential pressure regulator 7, the differential pressure transmitter 6, and the control valve 6 although not shown.
放水ポンプＰ、泡消火原液ポンプｐ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 discharge pump P and the foam extinguishing stock solution pump p are simultaneously operated 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。差圧発信器６において両信号の比較信号は差圧
調整器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 detectors 4 and 5 of the undiluted solution supply pipe and the water absorption pipe, and the electric signal thereof is guided to the differential pressure transmitter 6. In the differential pressure transmitter 6, the comparison signal of both signals is guided to the differential pressure regulator 7, and the control valve 8 (motor valve) is controlled so that the comparison signal of both signals is always constant.
したがつてポンプP,p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 pumps P and p are operated by the same engine,
The foam extinguishing stock solution is controlled by the control valve 8 to open and close, and the foaming extinguishing stock solution is always mixed in a constant ratio in the water discharged from the water discharge pump P, no matter how the head of the fire hydrant changes.
（請求項（２）記載の発明） 第２図の実施例により説明する。(Invention of Claim (2)) The embodiment of FIG. 2 will be described.
放水ポンプＰの吸水管１に泡原液槽２より泡原液を注
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
差圧調整器7aに導き、差圧調整器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、泡原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、連結口10にはノ
ズルを連結する。In the device for injecting and mixing the foam concentrate from the foam concentrate tank 2 into the water suction pipe 1 of the water discharge pump P, the foam concentrate supply pipe 3 and the water suction pipe 1 are provided with pressure detection units 4 and 5, respectively. 5 is guided to the differential pressure regulator 7a, pressure gas (for example, air) is introduced into the differential pressure regulator 7a, and the pressure gas is controlled by the differential pressure regulator 7a to control the control valve 8a to adjust the amount of the stock solution. It is a foam extinguisher compounding device. (Operation according to claim (2)) A fire hydrant is connected to the connection port 9 and a nozzle is connected to the connection port 10 as in the previous invention.
差圧調整器７には、圧力ガスと電力を供給する。制御
弁8aには圧力ガスと、制御用ガスが入る。Pressure gas and electric power are supplied to the differential pressure regulator 7. Pressure gas and control gas enter the control valve 8a.
放水用ポンプＰと泡消火原液ポンプｐはエンジンまた
はモモーターによって運転する。The water discharge pump P and the foam extinguishing stock solution pump p are operated by an engine or a motor.
泡原液供給管３内の圧力は圧力検出部４によって、ま
た吸水管１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＋水頭にあっても泡
原液供給管３と吸水管１内の圧力は常に一定となる。The pressure in the foam stock solution supply pipe 3 is detected by the pressure detection unit 4, and the pressure in the water absorption pipe 1 is detected by the pressure detection unit 5, and the pressures thereof are guided as they are to the differential pressure regulator 7a through the conduits 4a, 5a. In the differential pressure regulator 7a, the two pressures are compared, control gas is sent to the control valve 8a so that the pressure value is always constant, and the valve driving pressure gas that enters the control valve 8a is adjusted to control the valve. Thereby, even if the water pressure of the water absorption pipe 1 is + head, the pressures in the foam stock solution supply pipe 3 and the water absorption pipe 1 are 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＋
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、常に泡原液を正常比率で水に混合でき、泡原液混
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 the case of absorbing water from a general normal water surface,
Even if a water head fire hydrant is used, or if the pressure fluctuates when absorbing water, the foam concentrate can always be mixed with water in a normal ratio, and the foam concentrate mixing ratio is excellent, making it widely applicable to chemical fire trucks and foam extinguishers.
第１図，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。1 and 2 are system diagrams showing different embodiments of the present invention.
Claims (2)
する装置において、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. A device for injecting and mixing a foam stock solution into a water suction pipe of a water discharge pump, wherein a pressure detection unit is provided in the foam stock solution supply pipe and the water absorption pipe, and signals from both detection units are led to a differential pressure transmitter, A foam stock solution extinguisher preparation device, wherein a foam stock solution extinguishing agent is controlled by controlling a control valve of the foam stock solution supply pipe by a differential pressure regulator via a differential pressure transmitter.
する装置において、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. A device for injecting and mixing a foaming concentrate into a water absorbing part of a water discharge pump, wherein a pressure detecting part is provided in a foaming concentrate supply pipe and a water absorbing pipe, and both detecting parts are led to a differential pressure regulator to adjust a differential pressure. A foam extinguishant preparation device characterized in that a pressure gas is introduced into the container, 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 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 JPH0337081A (en) | 1991-02-18 |
| JPH0817834B2 true 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006158544A (en) * | 2004-12-03 | 2006-06-22 | Nohmi Bosai Ltd | Fire extinguishing agent addition device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4740707B2 (en) * | 2005-09-29 | 2011-08-03 | ホーチキ株式会社 | Fire extinguishing equipment |
| CN207445395U (en) * | 2017-03-01 | 2018-06-05 | 中国石油化工股份有限公司 | A kind of foam-generating device using chemical reaction |
| JP6898647B2 (en) * | 2017-11-09 | 2021-07-07 | 株式会社カシワテック | High expansion foam fire extinguishing device |
Family Cites Families (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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006158544A (en) * | 2004-12-03 | 2006-06-22 | Nohmi Bosai Ltd | Fire extinguishing agent addition device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0337081A (en) | 1991-02-18 |
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