EP0891208A1 - Verfahren und vorrichtung zur verdüsung von flüssigem löschmittel in stationären löschanlagen - Google Patents
Verfahren und vorrichtung zur verdüsung von flüssigem löschmittel in stationären löschanlagenInfo
- Publication number
- EP0891208A1 EP0891208A1 EP97915442A EP97915442A EP0891208A1 EP 0891208 A1 EP0891208 A1 EP 0891208A1 EP 97915442 A EP97915442 A EP 97915442A EP 97915442 A EP97915442 A EP 97915442A EP 0891208 A1 EP0891208 A1 EP 0891208A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inert gas
- liquid
- extinguishing
- extinguishing agent
- added
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
Definitions
- the invention relates to a method and a device for mixing liquid and / or gaseous inert gas with a liquid extinguishing agent (such as water) and subsequent spraying for fire fighting.
- a liquid extinguishing agent such as water
- This is preferably used in stationary - and less so in mobile fire extinguishing systems.
- the object of the invention was to reduce the amount of liquid extinguishing agent required for fire extinguishing, as is usually used in conventional extinguishing systems, in stationary spray water extinguishing systems.
- This object is achieved in that inert gas is added to the liquid extinguishing agent in liquid and / or gaseous form upstream of the nozzle, preferably liquid inert gas.
- inert gas here does not refer to the state of aggregation at the time of addition to the liquid extinguishing agent, but the inert gas can preferably be added to the liquid extinguishing agent in liquid form.
- the preferably liquid inert gas can be added either by admixing it to the extinguishing agent at elevated pressure or by adding the extinguishing agent to it at elevated pressure.
- the liquid extinguishing agent (water) is usually carried out in the network at a pressure of 8-10 bar, regardless of the water supply, such as. B. city water network, containers, etc.
- the preferably liquid inert gas is fed into the line network at an increased pressure.
- suitable admixing devices and devices for controlling the pressure in the line network e.g. Check valve, shut-off valve, control valve for the media, for increasing the pressure in devices for dispensing the liquid extinguishing agent, for. B. extinguishing nozzles.
- Drop sizes and throwing distances can be influenced by different nozzles. Throwing distances of up to 10 m can be achieved.
- Liquid CO 2 is preferably added to the liquid extinguishing agent water.
- the advantage here is that the preferably liquid inert gas predominantly dissolves in the liquid extinguishing agent under high pressure and is thus brought to the source of the fire with the droplets generated, since the dynamic process of degassing takes longer than the transport time. This leads to an improvement in the extinguishing effect, because as a result the drops are further split in flight to the source of the fire, with the advantage that concealed fires can also be better extinguished with the fine water mist generated.
- the flame is separated from the combustible gas by the kinetic energy of the liquid extinguishing agent and by the degassing of the inert gas at the location of the fire by the process according to the invention.
- the surface area of the liquid extinguishing agent is considerably enlarged by the formation of microdroplets in the area of the fire, in particular by the segregation of liquid extinguishing agent and inert gas.
- the inert gas e.g. C0 2
- the inert gas also absorbs radiation energy, and the evaporation of the liquid extinguishing agent removes energy from the fire.
- the excess energy in the fire area is reduced to such an extent that a high extinguishing effect is achieved which, alone, cannot be achieved when using microdrops without adding preferably liquid inert gas.
- the amount of inert gas added is optimized.
- the optimization can either already be carried out during project planning by specifying a maximum amount of C0 2 in relation to the object to be deleted.
- the amount of added, in particular liquid inert gas, such as. B. CO Z ⁇ is regulated depending on the concentration in the extinguishing area during the extinguishing in order not to exceed the maximum MAK value of 10,000 ppm or as usual with Inergen extinguishing systems ( ⁇ 4 vol.%).
- the amount of the preferably liquid inert gas added is additionally regulated according to the course of the fire.
- a device which, in addition to a supply for liquid extinguishing agent and dispensing devices for liquid extinguishing agent, is characterized in that at least one reservoir for liquid inert gas and at least one admixing unit for mixing liquid extinguishing agent and preferably liquid and / or gaseous inert gas is provided.
- This special admixing unit is preferably installed horizontally or vertically in front of the nozzles in the pipe network.
- At least one detector for determining the concentration of the inert gas in the extinguishing area is preferably connected to the device with at least one evaluation device, and this is connected to at least one control device for regulating the amount of the preferably liquid inert gas.
- This detector can form a unit with the detector for determining the concentration of the inert gas in the extinguishing area and can be designed in particular as a combined measuring device for electromagnetic radiation and according to the principle of smoke detectors and heat detectors.
- the opening angles of the dispensing devices for liquid extinguishing agent can be adjusted, the opening angle being determined by the admixed, preferably liquid, amount of inert gas.
- the device according to the invention has a check valve (9).
- the extinguishing water is mixed with the liquid inert gas flowing out of the reservoir (2).
- the control valve is preferably provided with an evaluation device (7) for a detector
- shut-off devices are e.g. B. via a not shown
- This circuit can switch the control valve (8) to intermittent or continuous flow, as the path for the liquid inert gas
- the pressure and the temperature in the pipe system can be adjusted by the ratio of the inert gas and by the amount of extinguishing agent dispensed per unit of time.
- the gas dissolves during the residence time in the pipe system and due to the increased pressure in the extinguishing liquid.
- the extinguishing medium separates into its components with simultaneous aerosol formation of the liquid extinguishing agent.
- a large proportion of the gas reaches the fire zone directly without segregation.
- the water initially emerges as a jet when it leaves the pipe system and is broken down into the finest drops only on the flight to the source of the fire, which results in larger throwing distances, or it emerges as the finest drops with a short range.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Nozzles (AREA)
- Fire-Extinguishing Compositions (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97915442A EP0891208B1 (de) | 1996-03-30 | 1997-03-26 | Verfahren und vorrichtung zur verdüsung von flüssigem löschmittel in stationären löschanlagen |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP96105159 | 1996-03-30 | ||
| EP96105159 | 1996-03-30 | ||
| EP96114586A EP0798019A1 (de) | 1996-03-30 | 1996-09-12 | Verfahren und Vorrichtung zur Verdüsung von flüssigem Löschmittel in stationären Löschanlagen |
| EP96114586 | 1996-09-12 | ||
| EP97915442A EP0891208B1 (de) | 1996-03-30 | 1997-03-26 | Verfahren und vorrichtung zur verdüsung von flüssigem löschmittel in stationären löschanlagen |
| PCT/EP1997/001550 WO1997036651A1 (de) | 1996-03-30 | 1997-03-26 | Verfahren und vorrichtung zur verdüsung von flüssigem löschmittel in stationären löschanlagen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0891208A1 true EP0891208A1 (de) | 1999-01-20 |
| EP0891208B1 EP0891208B1 (de) | 2000-10-18 |
Family
ID=26141841
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96114586A Withdrawn EP0798019A1 (de) | 1996-03-30 | 1996-09-12 | Verfahren und Vorrichtung zur Verdüsung von flüssigem Löschmittel in stationären Löschanlagen |
| EP97915442A Expired - Lifetime EP0891208B1 (de) | 1996-03-30 | 1997-03-26 | Verfahren und vorrichtung zur verdüsung von flüssigem löschmittel in stationären löschanlagen |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96114586A Withdrawn EP0798019A1 (de) | 1996-03-30 | 1996-09-12 | Verfahren und Vorrichtung zur Verdüsung von flüssigem Löschmittel in stationären Löschanlagen |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6173790B1 (de) |
| EP (2) | EP0798019A1 (de) |
| JP (1) | JP4031832B2 (de) |
| KR (1) | KR20000005148A (de) |
| CN (1) | CN1092071C (de) |
| AT (1) | ATE196996T1 (de) |
| AU (1) | AU722952B2 (de) |
| DE (1) | DE59702499D1 (de) |
| ES (1) | ES2153188T3 (de) |
| NZ (1) | NZ332157A (de) |
| PT (1) | PT891208E (de) |
| WO (1) | WO1997036651A1 (de) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2131379C1 (ru) * | 1998-02-06 | 1999-06-10 | Научно-исследовательский институт низких температур при Московском государственном авиационном институте - техническом университете | Способ пожаротушения с использованием летательного аппарата и устройство для его осуществления |
| EP1078653A1 (de) | 1999-08-24 | 2001-02-28 | Asea Brown Boveri Ag | Vorrichtung zum Einbringen eines Inertgases in ein Löschmittel |
| WO2001021261A1 (en) * | 1999-09-20 | 2001-03-29 | Phan Dinh Phuong | Automatic fire extinguishing system using liquefied co¿2? |
| EP1372793B1 (de) * | 2001-03-29 | 2006-11-22 | Kidde IP Holdings Limited | Mittel zum feuerlöschen und zur explosionsunterdrückung |
| WO2002078788A2 (en) * | 2001-03-29 | 2002-10-10 | Kidde Ip Holdings Limited | Fire and explosion suppression |
| KR100441310B1 (ko) * | 2002-02-22 | 2004-07-21 | 주식회사 윈 | 소방용 워트 미스트 장치. |
| GB2386835B (en) * | 2002-03-28 | 2005-04-27 | Kidde Plc | Fire and explosion suppression |
| US7258140B2 (en) * | 2002-10-16 | 2007-08-21 | Richard Acree | Portable pressurized gas supply apparatus for pneumatic equipment |
| US20040226301A1 (en) * | 2003-05-14 | 2004-11-18 | Airwars Defense Lp, A Colorado Limited Partnership | Liquid nitrogen enabler |
| DE102005023101B4 (de) * | 2005-05-13 | 2013-10-10 | Minimax Gmbh & Co. Kg | Verfahren zum Einbringen eines Inertgases und Anlage zum Inertisieren |
| SG128596A1 (en) * | 2005-06-13 | 2007-01-30 | Victaulic Co Of America | High velocity low pressure emitter |
| US7810577B2 (en) * | 2005-08-30 | 2010-10-12 | Federal Express Corporation | Fire sensor, fire detection system, fire suppression system, and combinations thereof |
| JP2009526649A (ja) * | 2006-02-13 | 2009-07-23 | ハルキー − ロバーツ コーポレイション | テトラジン系エネルギー材料を使用するための装置および方法 |
| AR062764A1 (es) | 2006-11-06 | 2008-12-03 | Victaulic Co Of America | Metodo y aparato para secar redes de canerias equipadas con rociadores |
| CN101918083B (zh) * | 2007-09-24 | 2012-08-08 | Utc消防及保安公司 | 混合型惰性气体灭火系统 |
| KR101269878B1 (ko) * | 2010-07-29 | 2013-06-07 | 충북대학교 산학협력단 | 화학반응을 이용한 미세 물분무 소화시스템 |
| US10532237B2 (en) | 2010-08-05 | 2020-01-14 | Victaulic Company | Dual mode agent discharge system with multiple agent discharge capability |
| EP2766096A4 (de) * | 2011-10-14 | 2015-11-18 | Utc Fire & Security Corp | Sprinklersystem mit einer dem sprinkler vorgelagerten mischvorrichtung |
| US10058722B2 (en) * | 2015-02-18 | 2018-08-28 | Apparatebau Gauting Gmbh | Fire protection device and method for fire fighting |
| CN106693237A (zh) * | 2017-01-23 | 2017-05-24 | 山东宏达科技集团有限公司 | 一种雪雹发生及喷射装置 |
| CN106823221A (zh) * | 2017-04-07 | 2017-06-13 | 山东宏达科技集团有限公司 | 一种液氮动力消防炮 |
| CN106823220A (zh) * | 2017-04-07 | 2017-06-13 | 山东宏达科技集团有限公司 | 一种灭火方法、灭火系统和设置该系统的消防车 |
| US11478670B2 (en) * | 2017-05-16 | 2022-10-25 | Robert Czarnek | Water-mist fire extinguishing system |
| US11129848B2 (en) | 2017-08-08 | 2021-09-28 | Perricone Hydrogen Water Company, Llc | Medication enhancement using hydrogen |
| US20190046561A1 (en) | 2017-08-08 | 2019-02-14 | Perricone Hydrogen Water Company, Llc | Barriers for glass and other materials |
| CN109125997B (zh) * | 2018-07-26 | 2022-03-29 | 国家电网有限公司 | 一种灭火剂喷射装置 |
| CN110242344B (zh) * | 2019-07-30 | 2024-04-30 | 鄂尔多斯市中北煤化工有限公司 | 一种向煤矿综采支架后方自动喷洒粉状防火材料的装置 |
| US11123365B2 (en) | 2019-11-18 | 2021-09-21 | Perricone Hydrogen Water Company, Llc | Compositions comprising palmitoylethanolamide and hydrogen water, and methods thereof |
| CN112675460A (zh) * | 2020-01-20 | 2021-04-20 | 湖北及安盾消防科技有限公司 | 快速释放的脉冲式灭火装置及电器设备 |
| CN112675463A (zh) * | 2020-01-20 | 2021-04-20 | 湖北及安盾消防科技有限公司 | 密闭的脉冲式灭火装置及电器设备 |
| CN111810218B (zh) * | 2020-06-16 | 2021-06-25 | 山东科技大学 | 一种井下液态co2相变动力多功能灌注系统及使用方法 |
| CN119819150B (zh) * | 2025-02-19 | 2025-08-12 | 中煤科工集团沈阳研究院有限公司 | 一种液氮与液态二氧化碳混合装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3592270A (en) * | 1968-10-24 | 1971-07-13 | Factory Mutual Res Corp | Double rate flow controller |
| US4585173A (en) * | 1985-03-18 | 1986-04-29 | Bete Fog Nozzle, Inc. | Pressure activated conical spray nozzle |
| SU1326282A1 (ru) * | 1985-07-02 | 1987-07-30 | Э.А.Попов, О.Э.Толкачев и М.А.Яремчук | Способ газификации сжиженного инертного газа при тушении пожара в горных выработках |
| US5377765A (en) * | 1993-02-22 | 1995-01-03 | Valkyrie Scientific Proprietary, L.C. | Method and means for extinguishing tank fires |
| RU2074544C1 (ru) * | 1994-03-10 | 1997-02-27 | Владимир Семенович Терпигорьев | Способ пожаротушения газожидкостной смесью и газожидкостная форсунка для его осуществления |
| FI98494C (sv) * | 1994-04-14 | 1997-07-10 | Goeran Sundholm | Anordning för eldsläckning |
| EP0755286B1 (de) * | 1994-04-14 | 2000-02-23 | SUNDHOLM, Göran | Gas- und Flüssigkeitsnebel abgebende Feuerbekämpfungsvorrichtung |
| DE4423400C2 (de) * | 1994-07-04 | 1998-02-05 | Siemens Ag | Verfahren und Vorrichtung zur Erzeugung eines Inertisierungsgases |
| DE29510982U1 (de) * | 1995-07-13 | 1995-09-21 | Broemme, Albrecht, Dipl.-Ing., 12203 Berlin | Feuerlöscher |
-
1996
- 1996-09-12 EP EP96114586A patent/EP0798019A1/de not_active Withdrawn
-
1997
- 1997-03-26 ES ES97915442T patent/ES2153188T3/es not_active Expired - Lifetime
- 1997-03-26 PT PT97915442T patent/PT891208E/pt unknown
- 1997-03-26 EP EP97915442A patent/EP0891208B1/de not_active Expired - Lifetime
- 1997-03-26 AT AT97915442T patent/ATE196996T1/de active
- 1997-03-26 NZ NZ332157A patent/NZ332157A/xx unknown
- 1997-03-26 US US09/155,625 patent/US6173790B1/en not_active Expired - Fee Related
- 1997-03-26 AU AU22919/97A patent/AU722952B2/en not_active Ceased
- 1997-03-26 CN CN97193540A patent/CN1092071C/zh not_active Expired - Fee Related
- 1997-03-26 WO PCT/EP1997/001550 patent/WO1997036651A1/de not_active Ceased
- 1997-03-26 JP JP53491697A patent/JP4031832B2/ja not_active Expired - Fee Related
- 1997-03-26 KR KR1019980707811A patent/KR20000005148A/ko not_active Withdrawn
- 1997-03-26 DE DE59702499T patent/DE59702499D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9736651A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0798019A1 (de) | 1997-10-01 |
| AU722952B2 (en) | 2000-08-17 |
| EP0891208B1 (de) | 2000-10-18 |
| WO1997036651A1 (de) | 1997-10-09 |
| CN1092071C (zh) | 2002-10-09 |
| PT891208E (pt) | 2001-03-30 |
| US6173790B1 (en) | 2001-01-16 |
| KR20000005148A (ko) | 2000-01-25 |
| DE59702499D1 (de) | 2000-11-23 |
| NZ332157A (en) | 2000-08-25 |
| ES2153188T3 (es) | 2001-02-16 |
| AU2291997A (en) | 1997-10-22 |
| JP4031832B2 (ja) | 2008-01-09 |
| JP2001501839A (ja) | 2001-02-13 |
| CN1218416A (zh) | 1999-06-02 |
| ATE196996T1 (de) | 2000-11-15 |
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