EP1550482A1 - Inertisierungsverfahren zum Löschen eines Brandes - Google Patents
Inertisierungsverfahren zum Löschen eines Brandes Download PDFInfo
- Publication number
- EP1550482A1 EP1550482A1 EP03029928A EP03029928A EP1550482A1 EP 1550482 A1 EP1550482 A1 EP 1550482A1 EP 03029928 A EP03029928 A EP 03029928A EP 03029928 A EP03029928 A EP 03029928A EP 1550482 A1 EP1550482 A1 EP 1550482A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- oxygen
- level
- target area
- process according
- inertization
- 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
- 238000000034 method Methods 0.000 title claims description 75
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 106
- 239000001301 oxygen Substances 0.000 claims abstract description 106
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000007789 gas Substances 0.000 claims abstract description 45
- 230000002265 prevention Effects 0.000 claims description 43
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000033228 biological regulation Effects 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 abstract description 61
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 24
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 3
- 239000001569 carbon dioxide Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000000977 initiatory effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910052756 noble gas Inorganic materials 0.000 description 2
- 150000002835 noble gases Chemical class 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
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
- 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
- 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
Definitions
- the present invention relates to an inerting method for extinguishing a fire in an enclosed space (also called “target space” in the following) in which the oxygen content in the enclosed space within a predeterminable Time is lowered to a certain inerting level.
- inert gas extinguishing technology such as the flooding of a fire hazard or in the Fire-exposed space by oxygen-displacing gases, such as carbon dioxide, Nitrogen, noble gases and mixtures thereof, called, are the oxygen-displacing Gases or inert gases either stored in steel cylinders compressed or if necessary generated by means of a generator. In case of fire, the gas is then over Piping systems and corresponding outlet nozzles in the relevant target area directed.
- the chronological course of a firefighting effected by means of an inerting process is essentially divided into two phases, the firefighting phase and the reignition phase.
- the firefighting phase is the phase during which the target space is flooded with an oxygen-displacing gas to enter the Target space to achieve a volatile concentration of the introduced inert gas.
- the volatile concentration is defined according to VdS as the concentration at which a Brand is certain to exclude.
- the volatile concentration is below the so-called re-ignition prevention level and corresponds, for example, to Computerized areas, electrical switch and distribution boxes, enclosed facilities as well as in storage areas with assets of an oxygen concentration of about 11.2% by volume.
- the oxygen concentration is a so-called backfire prevention level must reach.
- the re-ignition prevention level is an oxygen concentration at which a (re) ignition of the existing in the target area Materials just being excluded.
- the oxygen concentration of the Backfire prevention levels will depend on the fire load of the target space and lies, for example, in computerized areas, electrical switch and distributor rooms, enclosed Facilities as well as storage areas with assets at one Oxygen concentration of about 13.8 vol .-%.
- the condition that in the firefighting phase within 60 seconds the Oxygen concentration must reach the rebound prevention level determined the slope of the entry curve, the course of flooding the inert gas fire extinguishing system or the inerting process at the beginning of the fire-fighting phase describes.
- the inert gas fire extinguishing system and the inerting process should accordingly be designed.
- the reignition phase is a time period in which the oxygen content is not above the reburn inhibition level, i.e. for example, over the said 13.8% by volume, may rise.
- the reignition phase has to last for over ten minutes. In other words, this means that the inert gas fire extinguishing system and the inerting process be designed so must be so flooded after fire detection, the target space with inert gas in order within 60 seconds in the finish area one at the re-ignition prevention level to reach the lying oxygen concentration, further this concentration during the firefighting phase and the reignition phase becomes.
- Fig. 1 shows the flooding course one with a conventional inerting process operated inert gas fire extinguishing system on the example of a computerized device equipped target area.
- this is the result of tests Recirculation prevention level at an oxygen concentration of 13.8 Vol .-%; this concentration value is sometimes called "limit concentration".
- the volatile concentration resulting from the source material, a room-specific parameter and a security is, according to FIG. 1 at 11.2% by volume and thus by 1.2% by volume over one for persons and animals dangerous oxygen concentration of 10 vol .-%.
- known inerting corresponds to the extinguishable concentration the inerting level of the inert gas fire extinguishing system.
- the inert gas fire extinguishing system or the Inertization method designed to be within 60 seconds of fire detection or initiation of the inertization process the re-ignition prevention level (13.8 vol .-%) by shooting or flood the target space with inert gas is reached. It is envisaged that after reaching the scrubzündverhi matterss stipulates the oxygen concentration is further reduced until the extinguishable concentration or the inerting level of the inert gas fire extinguishing system of 11.2% by volume is reached.
- the present invention is therefore based on the technical problem, a An inertization method for extinguishing a fire of the type discussed above specify by means of which the most accurate interpretation possible during the inertization process used Inertgasfeuerlöschstrom, and in particular a As accurate as possible dimensioning of the inert gas to be provided, at the same time Compliance with the fire fighting phase required for fire extinguishing and Reignition phase is possible.
- This object is according to the invention in an inerting process of the type mentioned solved by the inerting level with a certain Control range at a certain level, in particular the level of re-ignition is held.
- the advantages of the invention are, in particular, that an easy to implement and thereby very effective method for optimizing the flooding course of a Inertgas85löschstrom can be achieved.
- the fact that intended for extinguishing fire Reignition phase according to the invention via a regulation of the inerting is set, that can be achieved during the firefighting phase set inerting level no longer the time period of the reignition phase pretends.
- control range in which the inerting level at the re-ignition prevention level is held.
- This control range depends on, for example, the Tightness of the target area and / or the design of the inert gas fire extinguishing system or the sensitivity of the sensors used in the target area to determine the oxygen concentration.
- the inerting level the re-ignition prevention level equivalent.
- the Dimensioning or design of the inert gas fire extinguishing system very precisely to the target area (Tightness, volume, possible fire materials).
- the inert gas concentration in the target area at any time exceeds the re-ignition prevention level outside the control range, and in particular by the fact that thus a significant overshoot of the inert gas concentration can be achieved in the target area can be achieved during the In principle, only exactly as much inert gas is used as in the initial flooding it is required for fire extinguishing. This allows the storage containers for storage of the inert gas are dimensioned much smaller or a corresponding Plant, such as a nitrogen plant to produce the inert gas, accordingly be designed smaller.
- the upper threshold of oxygen content in the control range is less than or equal to the re-ignition prevention level.
- the term "Threshold” in this context refers to the residual oxygen concentration, at which the inert gas fire extinguishing system is switched on again or at the again inert gas is entered into the target space to the inerting level as a setpoint hold or reach again.
- the upper threshold of the oxygen content in the control range of is at a distance from the rebound prevention level Security.
- This safety equals the difference from the level of re-ignition prevention and the upper threshold. In this context, be sure This already indicates a certain level of anti-glare activity Safety was taken into account.
- the control range is down by a limited lower threshold. This lower threshold corresponds to the oxygen concentration, in which the Inertgasfeuerlöschstrom off again or the re-introducing oxygen-displacing gas into the target space.
- the amplitude of the oxygen content in the control area a height of about 0.2 vol.%, and preferably has a height of at most 0.2 vol.%.
- the size of the range of the residual oxygen concentration is between the on and off threshold of the inert gas fire extinguishing system about 0.4 vol .-% and preferably at most 0.4% by volume.
- the oxygen content in the control range conceivable.
- the regulation of the oxygen content takes place at the re-ignition prevention level, taking into account the air exchange rate of the target area, in particular taking into account the n 50 value of the target area, and / or the pressure difference between the target area and the surroundings.
- the air exchange rate refers to the ratio of the leakage volume flow in relation to the existing volume of the room at a pressure difference to the environment of 50 Pa. In other words, this means that the air exchange rate is a measure of the tightness of the target area and thus a decisive factor for dimensioning the inert gas fire extinguishing system.
- the leakage volume flow increases into or out of the measured target area. This increases the fresh air entries in the room and the inert gas losses from the room.
- the tightness of the respective target space limiting enclosure components is carried out by means of a so-called BlowerDoor measurement. It is intended to generate a standardized overpressure / negative pressure of 10 to 60 Pa in the target area. The air escapes through the leakage surfaces of the enclosing components to the outside or penetrates there. A corresponding measuring device measures the required volume flow to maintain the pressure difference of, for example, 50 Pa required for the measurement. After entering the associated values, an evaluation program calculates the n 50 value of the room, which refers to the generated pressure difference of 50 Pa in a standardized way.
- the calculation of the extinguishing agent quantity for lowering the oxygen content to the inerting level and for maintaining the oxygen content at the re-ignition prevention level taking into account the air exchange rate of the Target area, in particular taking into account the n 50 - value of the target area, and / or the pressure difference between the target area and the environment.
- a regulation is particularly preferred the supply of the oxygen displacing gas taking into account the air / gas pressure provided in the target area. Accordingly, the pressure in the target room during flooding with inert gas or with the oxygen displacing gas measured, wherein care is taken that a certain room pressure is not exceeded. This is then noticeable in that the slope of the entry curve, i.e. the slope of the course of concentration of immediately after the release of the Inertgas mecaniclöschstrom in the target space introduced inert gas, to certain parameters the target space, such as the tightness and the volume is adjusted.
- the shape of the bullet curve Accordingly, kept flatter, so that, for example, not after 60 seconds but only a short time later, about 120 seconds or 180 seconds, the inerting level is reached.
- the lowering of the oxygen content is effected by supplying an oxygen-displacing gas into the target space
- it is particularly preferable to regulate the supply of the oxygen-displacing gas as a function of the current oxygen content or the current extinguishing agent concentration in the target space For example, it would be conceivable to measure the oxygen content in the room if nitrogen serves as the extinguishing agent. If, on the other hand, CO 2 is used as extinguishing agent, the CO 2 concentration in the target area is preferably measured in order to regulate the supply of oxygen-displacing gas in the target area.
- the oxygen content in the enclosed space it is particularly preferable for the oxygen content in the enclosed space to be lowered to the specific inertization level within 60 seconds or less. This ensures that the guidelines for CO 2 extinguishing systems prescribed by the VdS are met.
- the time in which the oxygen content in the target area is lowered to the certain inerting level greater than 60 seconds. This is particularly advantageous if the flooding of the target area with Inert gas is regulated, and in particular depending on the existing in the target area Pressure.
- the oxygen content in the target space by introducing an oxygen displacing gas is lowered from a prepared reservoir.
- Providing the inert gas in a reservoir, such as in corresponding gas containers, can achieve a rapid adjustment of the inertization level in the target area become.
- oxygen-displacing gases come here for example carbon dioxide, Nitrogen, noble gases and mixtures thereof in question, which are compressed in steel bottles or uncompressed in a particular inert gas reservoir (e.g., false ceilings) be stored. If necessary, then the gas via piping systems and corresponding Outlet nozzles directed into the target area.
- the oxygen displacing gas is provided by means of a production plant.
- a machine such as fuel cells, for example. to use, which extracts oxygen from the target area.
- the advantage of this embodiment is to be seen in particular in that here on special storerooms for For example, a reservoir or gas cylinders, in which the oxygen displacing Gas is stored, can be dispensed with.
- a nitrogen generator is used for oxygen-displacing gas in question, in which the components contained in compressed air are split and be derived that a nitrogen flow is recovered.
- This one has a lot low pressure dew point and a fixed residual oxygen content, which is continuous can be monitored.
- the nitrogen flow obtained via the nitrogen generator is fed via a pipeline to the target area, while the oxygen-enriched Air is discharged separately to the outside.
- the advantage of such Production plant is to be seen in particular in their relatively maintenance-free operation.
- other methods for producing the oxygen displacing gas conceivable.
- Inertleitersvon provided that the oxygen displacing gas a reservoir is provided to the oxygen content to the certain inerting level lower, and the oxygen displacing gas from a production plant is provided to the inerting level at the re-ignition prevention level to keep.
- the fire extinction proceeds in three steps.
- the first step is to detect the fire in the target area and the intergas extinguishing system activated. Furthermore, the energy in the target area, for example the power supply, off.
- the actual firefighting takes place in the firefighting phase, during which the target space is inert gas is flooded.
- the ordinate axis represents the oxygen concentration in the target area and the abscissa axis is the time dar Introducing the oxygen displacing gas into the target space in the first 240 seconds, until the inerting level of the inert gas fire extinguishing system is the erasable Concentration reached in this case 11.2 vol .-%.
- the course of flooding is the same chosen that already 60 seconds after the initiation of the inertization process the oxygen concentration in the target space the rebound prevention level of here reached 13.8 vol .-%; the re-ignition prevention level will also limit concentration Called GK.
- This re-ignition prevention level is the oxygen concentration, in which a reignition of the fire materials located in the target area effectively prevented. In the present case, therefore, the level of re-ignition prevention is at 13.8 vol.% oxygen content.
- the reignition phase in this case is a time period of 600 seconds, in which the oxygen concentration in the target space at no time the
- FIG. 2 shows a course of flooding in the target space of FIG. 1 in a first preferred embodiment Embodiment of the inertization process according to the invention.
- the difference of the flood pattern shown here or the time course of the oxygen concentration in the target space to the flooding course shown in Fig. 1 is in particular to see that here is no longer between a fire-fighting phase and a reignition phase in the true sense is distinguished.
- the oxygen concentration in the target area reduced to the inerting level by inert gas flushing within 60 seconds.
- the inert gas introduction is throttled and, after the oxygen concentration has a reaches the lower threshold in a control range around the inerting level has, completely set.
- the oxygen concentration increases continuously due to, for example, leaks in the target area, until an upper threshold value of the oxygen content in the control range is reached.
- This upper threshold corresponds to the Ruzündungsverhi mecanicsric or Limit concentration GK of the target area. This ensures that none Time the oxygen concentration of the target area the critical limit concentration or exceeds the re-ignition prevention level.
- Inertization process according to the first embodiment of the present invention is then provided that when reaching the upper threshold again Inert gas is introduced into the target space to bring the oxygen concentration back up lower a lower threshold of the control range. After reaching the Lower threshold value, the inert gas is stopped in the target area again.
- the inertization level with a certain control range on the Recirculation prevention level held iteratively.
- the upper limit of the control range is the inertization level identical to the re-ignition prevention level of 13.8% by volume.
- the amplitude of the oxygen content in the control range corresponds to a height of 0.2 Vol .-%.
- the inerting level becomes reached after the predetermined time of 60 seconds.
- the predetermined time 60 seconds.
- here is but also a different time span possible.
- the inertization method of the present invention it is possible to perform the control of the oxygen content at the re-ignition prevention level in consideration of the air exchange rate n 50 of the target space.
- the oxygen concentration set in the target area by means of the inerting process according to the invention is in principle clearly above the concentration of 10% by volume which is dangerous for persons. This is a further significant advantage of the inertization process according to the invention.
- FIG. 3 shows a course of flooding in a second preferred embodiment of the invention inerting process according to the invention.
- the difference of the flooding course to the flooding course shown in Fig. 2 is now that the inerting is lower than the re-ignition prevention level.
- This will another security or another security buffer between the upper limit or the upper threshold of the control range and the respzündungsverhi mattersslati provided.
- FIG. 4 shows a flooding course of a further preferred embodiment of the invention inerting process according to the invention.
- the difference of the flooding course according to the flooding course of the first preferred embodiment shown in FIG Embodiment of the inerting process according to the invention is to see that the sweep curve of the inert gas, i. at the beginning of inerting caused a reduction of the oxygen content in the target area, a much lower one Slope, whereby the inerting level is reached later.
- the third Embodiment according to the invention is the lowering by a regulation of Supply of the oxygen-displacing gas taking into account the air / gas pressure in the target area, thus avoiding inflation of the target area. This is particularly suitable for target areas that have no solid walls or in which No pressure relief flaps can be installed.
- the inventive method sets the permanent monitoring of the oxygen content ahead in the finish area.
- the corresponding sensors permanently Determined oxygen concentration or the inert gas concentration in the target area and a Control of the inert gas fire extinguishing system supplied in response to the Extinguishing agent feed into the target room controls.
- inventive method in one use multi-stage inerting process. It is conceivable that inventive Procedure either at a single stage or at all stages of the multi-stage Use inerting process.
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- 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)
- Fire-Extinguishing Compositions (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
Description
- Fig. 1
- einen Flutungsverlauf in einem Zielraum bei einem Inertisierungsverfahren aus dem Stand der Technik;
- Fig. 2
- einen Flutungsverlauf in einem Zielraum bei einer ersten bevorzugten Ausführungsform des erfindungsgemäßen Inertisierungsverfahrens;
- Fig. 3
- einen Flutungsverlauf in einem Zielraum bei einer zweiten bevorzugten Ausführungsform des erfindungsgemäßen Inertisierungsverfahrens; und
- Fig. 4
- einen Flutungsverlauf in einem Zielraum bei einer dritten bevorzugten Ausführungsform des erfindungsgemäßen Inertisierungsverfahrens.
Claims (13)
- Interisierungsverfahren zum Löschen eines Brandes in einem umschlossenen Raum ("Zielraum"), bei welchem der Sauerstoffgehalt in dem umschlossenen Raum innerhalb einer vorgegebenen Zeit (x) auf ein bestimmtes Inertisierungsniveau abgesenkt wird,
dadurch gekennzeichnet, dass
das Inertisierungsniveau mit einem bestimmten Regelbereich auf einem bestimmten Niveau, insbesondere dem Rückzündungsverhinderungsniveau (R), gehalten wird. - Inertisierungsverfahren nach Anspruch 1,
dadurch gekennzeichnet, dass
das Inertisierungsniveau dem Rückzündungsverhinderungsniveau (R) entspricht. - Inertisierungsverfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass
der obere Schwellwert des Sauerstoffgehalts im Regelbereich kleiner oder maximal gleich dem Rückzündungsverhinderungsniveau (R) ist. - Inertisierungsverfahren nach Anspruch 3,
dadurch gekennzeichnet, dass
die Amplitude des Sauerstoffgehalts im Regelbereich eine Höhe von etwa 0,2 Vol.-% hat. - Inertisierungsverfahren nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass
die Regelung des Sauerstoffgehalts auf dem Rückzündungsverhinderungsniveau (R) unter Berücksichtigung der Luftwechselrate des Zielraumes, insbesondere des n50 - Wertes des Zielraums, und /oder der Druckdifferenz zwischen Zielraum und Umgebung erfolgt. - Inertisierungsverfahren nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass
die Berechnung der Löschmittelmenge für das Absenken des Sauerstoffgehalts auf das Inertisierungsniveau und für das Halten des Sauerstoffgehalts auf dem Rückzündungsverhinderungsniveau (R) unter Berücksichtigung der der Luftwechsel rate des Zielraumes, insbesondere des n50 - Wertes des Zielraums, und /oder der Druckdifferenz zwischen Zielraum und Umgebung erfolgt. - Inertisierungsverfahren nach einem der vorstehenden Ansprüche, bei dem das Absenken des Sauerstoffgehalts durch Zufuhr eines Sauerstoff verdrängenden Gases in den Zielraum erfolgt,
gekennzeichnet durch
eine Regelung der Zufuhr des Sauerstoff verdrängenden Gases unter Berücksichtigung des Luft-/Gasdrucks im Zielraum. - Inertisierungsverfahren nach einem der vorstehenden Ansprüche, bei dem das Absenken des Sauerstoffgehalts durch Zufuhr eines Sauerstoff verdrängenden Gases in den Zielraum erfolgt,
gekennzeichnet durch
eine Regelung der Zufuhr des Sauerstoff verdrängenden Gases in Abhängigkeit des aktuellen Sauerstoffgehalts bzw. der aktuellen Löschmittelkonzentration im Zielraum. - Inertisierungsverfahren nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass
die Zeit (x) 60 Sekunden oder kleiner beträgt. - Inertisierungsverfahren nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass
die Zeit (x) größer als 60 Sekunden ist. - Inertisierungsverfahren nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass
der Sauerstoffgehalt im Zielraum durch Einleiten eines Sauerstoff verdrängenden Gases aus einem bereitgehaltenem Reservoir abgesenkt wird. - Inertisierungsverfahren nach einem der Ansprüche 1 bis 10, bei dem das Sauerstoff verdrängende Gas mittels einer Produktionsanlage bereitgestellt wird.
- Inertisierungsverfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
das Sauerstoff verdrängende Gas aus einem Reservoir bereitgestellt wird, um den Sauerstoffgehalt auf das bestimmte Inertisierungsniveau abzusenken, und das Sauerstoff verdrängende Gas aus einer Produktionsanlage bereitgestellt wird, um das Inertisierungsniveau auf dem Rückzündungsverhinderungsniveau zu halten.
Priority Applications (17)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03029928A EP1550482B1 (de) | 2003-12-29 | 2003-12-29 | Inertisierungsverfahren zum Löschen eines Brandes |
| AT03029928T ATE464104T1 (de) | 2003-12-29 | 2003-12-29 | Inertisierungsverfahren zum löschen eines brandes |
| DK03029928.3T DK1550482T3 (da) | 2003-12-29 | 2003-12-29 | Inertiseringsfremgangsmåde til slukning af en brand |
| SI200331794T SI1550482T1 (sl) | 2003-12-29 | 2003-12-29 | Inertizacijski postopek za gašenje požarov |
| ES03029928T ES2340576T3 (es) | 2003-12-29 | 2003-12-29 | Procedimiento de inertizacion para extinguir un incendio. |
| DE50312624T DE50312624D1 (de) | 2003-12-29 | 2003-12-29 | Inertisierungsverfahren zum Löschen eines Brandes |
| TW093139927A TWI340656B (en) | 2003-12-29 | 2004-12-22 | Inerting method for extinguishing a fire |
| CA2551232A CA2551232C (en) | 2003-12-29 | 2004-12-29 | Inerting method and device for extinguishing a fire |
| CN2004800366455A CN1890000B (zh) | 2003-12-29 | 2004-12-29 | 用于灭火的惰化方法和装置 |
| UAA200606994A UA86044C2 (ru) | 2003-12-29 | 2004-12-29 | Способ инертизации и устройство для тушения пожара |
| PCT/EP2004/014903 WO2005063338A1 (de) | 2003-12-29 | 2004-12-29 | Inertisierungsverfahren und vorrichtung zum löschen eines brandes |
| RU2006123041/12A RU2317835C1 (ru) | 2003-12-29 | 2004-12-29 | Способ инертизации и устройство для тушения пожара |
| AU2004308691A AU2004308691B2 (en) | 2003-12-29 | 2004-12-29 | Inerting method and device for extinguishing a fire |
| US10/584,117 US9220937B2 (en) | 2003-12-29 | 2004-12-29 | Inerting method and device for extinguishing a fire |
| JP2006546133A JP2007516759A (ja) | 2003-12-29 | 2004-12-29 | 消火のための不活性化方法及び装置 |
| HK05108474.3A HK1076416B (en) | 2005-09-26 | Inerting method for extinguishing fires | |
| NO20063301A NO20063301L (no) | 2003-12-29 | 2006-07-17 | Inertiseringsfremgangsmate og anordning for slukking av en brann |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03029928A EP1550482B1 (de) | 2003-12-29 | 2003-12-29 | Inertisierungsverfahren zum Löschen eines Brandes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1550482A1 true EP1550482A1 (de) | 2005-07-06 |
| EP1550482B1 EP1550482B1 (de) | 2010-04-14 |
Family
ID=34560177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03029928A Expired - Lifetime EP1550482B1 (de) | 2003-12-29 | 2003-12-29 | Inertisierungsverfahren zum Löschen eines Brandes |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US9220937B2 (de) |
| EP (1) | EP1550482B1 (de) |
| JP (1) | JP2007516759A (de) |
| CN (1) | CN1890000B (de) |
| AT (1) | ATE464104T1 (de) |
| AU (1) | AU2004308691B2 (de) |
| CA (1) | CA2551232C (de) |
| DE (1) | DE50312624D1 (de) |
| DK (1) | DK1550482T3 (de) |
| ES (1) | ES2340576T3 (de) |
| NO (1) | NO20063301L (de) |
| RU (1) | RU2317835C1 (de) |
| SI (1) | SI1550482T1 (de) |
| TW (1) | TWI340656B (de) |
| UA (1) | UA86044C2 (de) |
| WO (1) | WO2005063338A1 (de) |
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| DE102005053694B3 (de) * | 2005-11-10 | 2007-01-04 | Airbus Deutschland Gmbh | Brennstoffzellensystem zum Löschen von Bränden |
| DE102005053692B3 (de) * | 2005-11-10 | 2007-01-11 | Airbus Deutschland Gmbh | Brandschutz mit Brennstoffzellenabluft |
| WO2007054316A1 (en) * | 2005-11-10 | 2007-05-18 | Airbus Deutschland Gmbh | Fuel cell system for extinguishing fires |
| EP1911498A1 (de) * | 2006-10-11 | 2008-04-16 | Amrona AG | Mehrstufiges Inertisierungsverfahren zur Brandverhütung und Brandlöschung in geschlossenen Räumen |
| DE102012002131A1 (de) * | 2012-02-03 | 2013-08-08 | Airbus Operations Gmbh | Notfallversorgungssystem für ein Verkehrsmittel,Verfahren zum Bereitstellen von elektrischer Leistung und zum Unterdrücken von Feuer und Flugzeug mit einem Notfallversorgungssystem |
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| RU2482278C2 (ru) * | 2011-03-16 | 2013-05-20 | Государственное общеобразовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" | Способ борьбы с пожарами в шахтах |
| FR2987822B1 (fr) * | 2012-03-12 | 2014-04-11 | Air Liquide | Dispositif d'inertage, reservoir et aeronef munis d'un tel dispositif et procede correspondant |
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| CN115591155A (zh) * | 2022-11-03 | 2023-01-13 | 上海穗杉实业股份有限公司(Cn) | 一种减少注氮时间的注氮控氧环控防火系统及方法 |
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- 2003-12-29 SI SI200331794T patent/SI1550482T1/sl unknown
- 2003-12-29 DE DE50312624T patent/DE50312624D1/de not_active Expired - Lifetime
- 2003-12-29 AT AT03029928T patent/ATE464104T1/de active
- 2003-12-29 DK DK03029928.3T patent/DK1550482T3/da active
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- 2004-12-29 RU RU2006123041/12A patent/RU2317835C1/ru active
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8256524B2 (en) | 2005-11-10 | 2012-09-04 | Airbus Operations Gmbh | Fire protection with fuel cell exhaust air |
| DE102005053692B3 (de) * | 2005-11-10 | 2007-01-11 | Airbus Deutschland Gmbh | Brandschutz mit Brennstoffzellenabluft |
| WO2007054316A1 (en) * | 2005-11-10 | 2007-05-18 | Airbus Deutschland Gmbh | Fuel cell system for extinguishing fires |
| WO2007054314A1 (en) * | 2005-11-10 | 2007-05-18 | Airbus Deutschland Gmbh | Fire protection with fuel cell exhaust air |
| DE102005053694B3 (de) * | 2005-11-10 | 2007-01-04 | Airbus Deutschland Gmbh | Brennstoffzellensystem zum Löschen von Bränden |
| US8813860B2 (en) | 2005-11-10 | 2014-08-26 | Airbus Operations Gmbh | Fuel cell system for extinguishing fires |
| US8567516B2 (en) | 2005-11-10 | 2013-10-29 | Airbus Operations Gmbh | Fire protection with fuel cell exhaust air |
| EP2210645A1 (de) * | 2005-11-10 | 2010-07-28 | Airbus Operations GmbH | Brandschutz mit Kraftstoffzellenabluft |
| CN101304786B (zh) * | 2005-11-10 | 2012-02-22 | 空中客车德国有限公司 | 利用燃料电池排放空气的防火 |
| EP1911498A1 (de) * | 2006-10-11 | 2008-04-16 | Amrona AG | Mehrstufiges Inertisierungsverfahren zur Brandverhütung und Brandlöschung in geschlossenen Räumen |
| AU2007306567B2 (en) * | 2006-10-11 | 2012-03-29 | Amrona Ag | Multistage inerting method for preventing and extinguishing fires in enclosed spaces |
| CN101378811B (zh) * | 2006-10-11 | 2012-12-05 | 艾摩罗那股份有限公司 | 封闭空间内用于防火和灭火的多阶段惰性化过程 |
| US7726410B2 (en) | 2006-10-11 | 2010-06-01 | Amrona Ag | Multi-stage inertization process for preventing and extinguishing fires within enclosed spaces |
| KR101359885B1 (ko) * | 2006-10-11 | 2014-02-06 | 암로나 아게 | 폐쇄 공간 내에서의 화재 예방 및 진화를 위한 멀티 스테이지 불활성화 방법 |
| WO2008043586A1 (de) * | 2006-10-11 | 2008-04-17 | Amrona Ag | Mehrstufiges inertisierungsverfahren zur brandverhütung und brandlöschung in geschlossenen räumen |
| NO339386B1 (no) * | 2006-10-11 | 2016-12-05 | Amrona Ag | Flertrinns-inertieringsfremgangsmåte til forebygging og slukking av branner i lukkede rom |
| DE102012002131A1 (de) * | 2012-02-03 | 2013-08-08 | Airbus Operations Gmbh | Notfallversorgungssystem für ein Verkehrsmittel,Verfahren zum Bereitstellen von elektrischer Leistung und zum Unterdrücken von Feuer und Flugzeug mit einem Notfallversorgungssystem |
| DE102012002131B4 (de) | 2012-02-03 | 2021-07-29 | Airbus Operations Gmbh | Notfallversorgungssystem für ein Verkehrsmittel, Verfahren zum Bereitstellen von elektrischer Leistung und zum Unterdrücken von Feuer und Verkehrsmittel mit einem Notfallversorgungssystem |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2004308691B2 (en) | 2010-12-16 |
| CA2551232A1 (en) | 2005-07-14 |
| UA86044C2 (ru) | 2009-03-25 |
| TW200531718A (en) | 2005-10-01 |
| US9220937B2 (en) | 2015-12-29 |
| US20090126949A1 (en) | 2009-05-21 |
| TWI340656B (en) | 2011-04-21 |
| ATE464104T1 (de) | 2010-04-15 |
| JP2007516759A (ja) | 2007-06-28 |
| SI1550482T1 (sl) | 2010-06-30 |
| CN1890000B (zh) | 2011-01-12 |
| WO2005063338A1 (de) | 2005-07-14 |
| RU2317835C1 (ru) | 2008-02-27 |
| CN1890000A (zh) | 2007-01-03 |
| HK1076416A1 (zh) | 2006-01-20 |
| NO20063301L (no) | 2006-09-28 |
| EP1550482B1 (de) | 2010-04-14 |
| AU2004308691A1 (en) | 2005-07-14 |
| DK1550482T3 (da) | 2010-05-25 |
| DE50312624D1 (de) | 2010-05-27 |
| CA2551232C (en) | 2011-09-27 |
| ES2340576T3 (es) | 2010-06-07 |
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