EP1838396B1 - Inertisierungsverfahren zur brandvermeidung - Google Patents

Inertisierungsverfahren zur brandvermeidung Download PDF

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Publication number
EP1838396B1
EP1838396B1 EP06700499A EP06700499A EP1838396B1 EP 1838396 B1 EP1838396 B1 EP 1838396B1 EP 06700499 A EP06700499 A EP 06700499A EP 06700499 A EP06700499 A EP 06700499A EP 1838396 B1 EP1838396 B1 EP 1838396B1
Authority
EP
European Patent Office
Prior art keywords
concentration
gases
oxygen
inflammatory
control unit
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.)
Active
Application number
EP06700499A
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German (de)
English (en)
French (fr)
Other versions
EP1838396A1 (de
Inventor
Ernst-Werner Wagner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Amrona AG
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Amrona AG
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Filing date
Publication date
Application filed by Amrona AG filed Critical Amrona AG
Priority to PL06700499T priority Critical patent/PL1838396T3/pl
Publication of EP1838396A1 publication Critical patent/EP1838396A1/de
Application granted granted Critical
Publication of EP1838396B1 publication Critical patent/EP1838396B1/de
Active legal-status Critical Current
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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
    • A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/04—Removing or cutting-off the supply of inflammable material
    • 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
    • A62C99/0063—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames with simultaneous removal of inflammable materials

Definitions

  • the present invention relates to an inerting method for preventing a fire or explosion in an enclosed protected area, in which the oxygen content in the protected area is lowered relative to the ambient air in the protected area.
  • Inertization procedures for fire prevention and extinguishing indoors are known from the fire extinguishing technology.
  • the extinguishing effect resulting from these processes is based on the principle of oxygen displacement.
  • the normal ambient air is known to be 21% by volume of oxygen, 78% by volume of nitrogen and 1% by volume of other gases.
  • For extinction or fire prevention by initiating e.g. pure or 90% nitrogen as inert gas further increases the nitrogen concentration in the room in question and thus reduces the oxygen content. It is known that an extinguishing effect starts when the oxygen content drops below about 15% by volume.
  • further reduction of the oxygen content to, for example, 12% by volume may be required. At this oxygen concentration, most flammable materials can no longer burn.
  • the oxygen-displacing gases used in this "inert gas extinguishing technology" are usually stored in special ancillary rooms in steel cylinders in compressed form, or a device is used to generate an oxygen-displacing gas.
  • a device is used to generate an oxygen-displacing gas.
  • inert gas / air mixtures with a proportion of, for example, 90%, 95% or 99% nitrogen (or another inert gas).
  • the steel bottles or this device for generating the oxygen-displacing gas constitute the so-called primary source of the inert gas extinguishing system. If necessary, then the gas is passed from this source via piping systems and corresponding outlet nozzles in the space in question. In order to keep the fire risk as low as possible, even if the source fails, occasionally secondary sources of inert gas are also used.
  • the patent DE 102 35 718 B3 describes a method for inerting one or more closed rooms to reduce the risk of fire and explosion, in which the oxygen content in the closed space is lowered to an oxygen target value with respect to the ambient air.
  • a temperature value for a gas temperature in the closed space is also detected and the oxygen nominal value for the oxygen content is determined as a function of the temperature values, the oxygen nominal value being raised as the temperature value decreases.
  • this method has the disadvantage that the denominations can vary greatly with physical aspect, geometry, specific composition or coverage by other surface materials of the materials stored in the shelter. So one would have to determine for each physical form and arrangement of the stored goods in the shelter a separate parameter, which is impossible in practice.
  • the object of the present invention is to further develop the inertization process known from the prior art and explained above, regardless of the nature of the substances stored in the protected area or goods works reliably.
  • the advantages of the invention are in particular that an easy to realisiexendes and thereby very effective inerting process to reduce the risk of fire or explosion in an enclosed area of protection can be achieved, even if outgassing increased concentrations of ignition-promoting substances in the shelter are available.
  • concentration of the ignition-promoting gases is regularly determined by measurements.
  • the drawbacks of characteristic-controlled inert gas concentration or oxygen concentration in the protection space are avoided, and scattering of characteristics of stored materials is compensated for by timely measurement and response to increased concentrations of ignition-promoting gases due to outgassing.
  • the above-mentioned object is further achieved in that the concentration of ignition-promoting gases in the protective space or protective area is measured at at least one location with one or more sensors each. Measurements in several places are required, for example, when the items or packages stored in the enclosed shelter are arranged unevenly.
  • the outgassing of ignition-promoting gases can vary greatly in this case or even with unfavorable geometry of the goods stored in the shelter.
  • the oxygen concentration in the shelter can be measured at several points and with one or more sensors.
  • the measurement at several points offers an additional safety aspect with regard to uneven gas distributions in the enclosed shelter.
  • the measurement of the oxygen concentration can be carried out with one or more sensors. By measuring with at least two sensors, the reliability can be increased.
  • the measured values mentioned above are sent to the concentration of ignition-promoting gases in the protective space as well as the concentration of oxygen in the protective space to at least one control unit.
  • the plurality of measured values supplied to the control unit can be evaluated within the control unit on the basis of a selectable algorithm.
  • One or more control units can be provided. The advantage of a multiple design of the control unit is the increased security of the overall system. In this way it can be ensured that the entire system remains functional even if one control unit fails. If an increasing concentration of ignition-promoting gases is detected in the control unit via the sensors for ignition-promoting gases, the setpoint of the oxygen concentration is further reduced so as to ensure that fires and explosions are reliably prevented even in the presence of ignition-promoting gases (eg hydrocarbons).
  • ignition-promoting gases eg hydrocarbons
  • the signals of the sensors in the shelter can be transmitted wirelessly. It is possible in this way to take into account changing stock material and / or product geometries in the shelter.
  • Fig. 1 is exemplified the basic function of the method including the associated control and measuring instruments described.
  • the inert gas can be left from the inert gas source 2 via a valve 3 and one or more outlet nozzles 7 in the shelter 1.
  • the concentration of the inert gas in the shelter 1 via the control unit 4, which in turn takes influence on the valve 3, regulated.
  • the control unit 4 is set so that a Grundinertmaschinesmat in the shelter 1 is achieved.
  • This basic inerting level reliably prevents fires in the shelter 1 under normal conditions. Under normal conditions, it is understood that there are no elevated concentrations of oxidizing substances Kx in the shelter 1.
  • the control unit 4 measures via an oxygen sensor 5, the oxygen concentration in the shelter 1 and controls the flow of inert gas accordingly.
  • the presence and concentration of gases is determined, resulting from material outgassing. Increases now the concentration of fire or explosion-promoting gases in the ambient air of the shelter 1 (for example, by an increased concentration of hydrocarbons) so it is measured via the sensor 6. This measured value is supplied to the control unit 4. Via a corresponding map function in the control unit 4 and the valve 3, the inert gas concentration in the shelter 1 is then increased. The influx of inert gas is continued until the desired lower oxygen concentration in the shelter, measured via the oxygen sensor 5, is reached, and a reliable fire protection is given even under these difficult conditions.

Landscapes

  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Ceramic Products (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Valve Device For Special Equipments (AREA)
  • Fire Alarms (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Inorganic Insulating Materials (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Processing Of Solid Wastes (AREA)
  • Glass Compositions (AREA)
EP06700499A 2005-01-17 2006-01-13 Inertisierungsverfahren zur brandvermeidung Active EP1838396B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06700499T PL1838396T3 (pl) 2005-01-17 2006-01-13 Sposób inertyzacji w celu unikania pożaru

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005002172A DE102005002172A1 (de) 2005-01-17 2005-01-17 Inertisierungsverfahren zur Brandvermeidung
PCT/EP2006/000267 WO2006074942A1 (de) 2005-01-17 2006-01-13 Inertisierun sverfahren zur brandvermeidun

Publications (2)

Publication Number Publication Date
EP1838396A1 EP1838396A1 (de) 2007-10-03
EP1838396B1 true EP1838396B1 (de) 2009-09-23

Family

ID=36072234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06700499A Active EP1838396B1 (de) 2005-01-17 2006-01-13 Inertisierungsverfahren zur brandvermeidung

Country Status (21)

Country Link
US (1) US20100012334A1 (zh)
EP (1) EP1838396B1 (zh)
JP (1) JP4654249B2 (zh)
KR (1) KR101255387B1 (zh)
CN (1) CN101119772B (zh)
AT (1) ATE443543T1 (zh)
AU (1) AU2006205895B2 (zh)
BR (1) BRPI0606315A2 (zh)
CA (1) CA2594796C (zh)
DE (2) DE102005002172A1 (zh)
DK (1) DK1838396T3 (zh)
ES (1) ES2333813T3 (zh)
HK (1) HK1108399A1 (zh)
MX (1) MX2007008408A (zh)
NO (1) NO339355B1 (zh)
PL (1) PL1838396T3 (zh)
PT (1) PT1838396E (zh)
RU (1) RU2362600C2 (zh)
TW (1) TW200702015A (zh)
UA (1) UA90126C2 (zh)
WO (1) WO2006074942A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2465512C1 (ru) * 2011-04-19 2012-10-27 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" Устройство для поддержания состава воздушной среды в герметичном контейнере
DE102011112741B4 (de) * 2011-09-07 2015-09-03 Werner Hofmann Inertgasgedeckte geschlossene Mahl-und Siebanlage
KR101244426B1 (ko) * 2012-12-03 2013-03-18 (유)성문 화재예방 및 억제장치
EP2881149B1 (de) * 2013-12-04 2018-02-28 Amrona AG Sauerstoffreduzierungsanlage sowie Verfahren zum Betreiben einer Sauerstoffreduzierungsanlage
EP3558472B1 (en) 2016-12-20 2024-01-24 Carrier Corporation Fire protection system for an enclosure and method of fire protection for an enclosure
RU2748912C1 (ru) * 2020-07-14 2021-06-01 Александр Вениаминович Куликов Способ безопасного обращения с энергетическими материалами
KR102239961B1 (ko) 2020-08-19 2021-04-14 포이스주식회사 자연발화성 화학물질의 초기 화재 억제장치 및 화재 억제방법
RU2766144C1 (ru) * 2021-05-27 2022-02-08 Александр Вениаминович Куликов Контейнер для безопасного обращения с энергетическими материалами
CN114306977B (zh) * 2021-12-24 2022-08-09 南京昭凌精密机械有限公司 一种防爆系统

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FR2544688B1 (fr) * 1983-04-21 1986-01-17 Arles Const Metalliques Systeme modulaire de production, de stockage et de chargement d'hydrocarbures au large des cotes
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US4846410A (en) * 1986-04-26 1989-07-11 The Babcock & Wilcox Company Apparatus for monitoring low-level combustibles
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Also Published As

Publication number Publication date
NO20074209L (no) 2007-10-09
CA2594796A1 (en) 2006-07-20
ES2333813T3 (es) 2010-03-01
ATE443543T1 (de) 2009-10-15
TW200702015A (en) 2007-01-16
JP4654249B2 (ja) 2011-03-16
RU2362600C2 (ru) 2009-07-27
DE502006004914D1 (de) 2009-11-05
PL1838396T3 (pl) 2010-02-26
NO339355B1 (no) 2016-12-05
BRPI0606315A2 (pt) 2009-06-16
KR101255387B1 (ko) 2013-04-17
AU2006205895B2 (en) 2011-03-31
AU2006205895A1 (en) 2006-07-20
RU2007131271A (ru) 2009-02-27
EP1838396A1 (de) 2007-10-03
CA2594796C (en) 2013-07-16
MX2007008408A (es) 2007-11-21
KR20070102512A (ko) 2007-10-18
CN101119772B (zh) 2011-11-30
DE102005002172A1 (de) 2006-07-27
PT1838396E (pt) 2009-11-30
CN101119772A (zh) 2008-02-06
WO2006074942A1 (de) 2006-07-20
HK1108399A1 (en) 2008-05-09
JP2008526409A (ja) 2008-07-24
UA90126C2 (uk) 2010-04-12
DK1838396T3 (da) 2010-02-01
US20100012334A1 (en) 2010-01-21

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