EP2286039B1 - Flat, preferably flexible fire protection unit - Google Patents

Flat, preferably flexible fire protection unit Download PDF

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Publication number
EP2286039B1
EP2286039B1 EP09749884.4A EP09749884A EP2286039B1 EP 2286039 B1 EP2286039 B1 EP 2286039B1 EP 09749884 A EP09749884 A EP 09749884A EP 2286039 B1 EP2286039 B1 EP 2286039B1
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EP
European Patent Office
Prior art keywords
fire protection
protection unit
partially
room
support structure
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EP09749884.4A
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German (de)
French (fr)
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EP2286039A2 (en
Inventor
René KMIECINSKI
Dag Anhamm
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ANHAMM GmbH
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ANHAMM GmbH
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Priority to PL09749884T priority Critical patent/PL2286039T3/en
Publication of EP2286039A2 publication Critical patent/EP2286039A2/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/942—Building elements specially adapted therefor slab-shaped
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C8/00—Hand tools or accessories specially adapted for fire-fighting, e.g. tool boxes
    • A62C8/06—Fire-blankets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/296—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and non-metallic or unspecified sheet-material

Definitions

  • the object of the invention relates to a device for partitioning a space against a fluid flowing into or out of the room, in particular a combustible liquid.
  • the fire protection unit is designed in the form of a fire protection film that is non-flammable and heat-insulating.
  • the fire protection unit has a foil-like carrier material with a glass fiber mat. A layer of liquid and powdery water glass is applied to the glass fiber mat and then solidified. The solidification can be done by curing or drying.
  • the advantage of such a fire protection film according to the document CH 544 044 is that this has a continuous, closed protective layer even when exposed to very high temperatures, which has no cracking even with prolonged heat.
  • a fire protection component that contains a fire-protecting material.
  • the material consists of a porous, inorganic carrier material and a heat-foaming fire-retardant. Since material is sandwiched between two surfaces of the component.
  • the carrier material consists of rock wool or aluminum silicate in a fibrous form.
  • the intumescent material is evenly distributed in the pores of the carrier material, which serves as a binder for the fibers.
  • a cover made of sheet metal and / or sheet material is provided for the insulating element.
  • a bulkhead element, an insulating element and a sheet metal / foil cover are integrated with the inclusion of the insulating element between the bulkhead element and the sheet metal / foil cover in an insulation / bulkhead element as a component.
  • Such an insulation system is particularly suitable for the protection of aircraft components against fire.
  • WO2007 / 057202 is a hinged partition and a device for Abschotten a room against a flowing into the room or from the space fluid, in particular a combustible liquid known.
  • the device has a hinged partition, which can be pivoted about an axis from a first position to a second position.
  • a flexible seal is provided which has at least one tab projecting over a transverse edge to the axis which is connected to the hinged partition and a frame. Adjacent to the at least one flap, at least one shielding means is provided.
  • the present invention the object underlying an apparatus for Abschotten a room against a flowing into the room or from space fluid, in particular to provide a combustible liquid. which has improved fire protection properties.
  • the device has at least one flexible fire protection unit.
  • the fire protection unit comprises at least one porous support structure, wherein the pores of the support structure are at least partially filled with at least one agent which performs at least one melting and / or evaporation process under the action of heat.
  • the device comprises a hinged partition, wherein the fire protection unit is connected to the hinged partition.
  • the pores of the support structure can be of different sizes.
  • the support structure is preferably formed at least partially of mineral fiber.
  • the pores of the support structure may also be in the form of channels.
  • the temperature of the fire protection unit for a certain time does not increase or only slightly, so that the period of time within which the fire protection unit is effective, can be increased.
  • the effectiveness of the planar fire protection unit can be further increased by the fact that the means which performs an aggregate state change has a preferably high heat capacity. It is advantageous if the support structure is formed from a material which has a low thermal conductivity. This reduces the heat transfer into the medium. The effectiveness of the fire protection unit is thereby increased.
  • the agent may be in solid, for example in granular form. There is also the possibility that the agent is a liquid or a pasty liquid. If necessary, the agent will be available bound. This can preferably be achieved by the means used together with absorbers.
  • the absorbers may be organic or inorganic absorbers.
  • the support structure is at least partially surrounded by a vapor barrier. This ensures that the agent, which evaporates, for example, under the action of heat, remains longer in the support structure.
  • the provision of the vapor barrier has the advantage that in this way an improved posture of the fire protection unit is achieved.
  • the vapor barrier is preferably one which is at least partially formed by a film.
  • vapor barrier substantially hermetically seals the support structure from the environment.
  • the support structure can also be designed such that it has chambers which are separated from one another by preferably flexible webs.
  • the individual chambers can be filled with the same or different means.
  • the fire protection unit in which the webs are vapor-permeable.
  • the webs are vapor-permeable.
  • the fire protection unit wherein the at least one film is at least partially selectively permeable, preferably permeable.
  • the pressure inside the chamber or chambers increases.
  • a certain pressure equalization can be achieved by the at least one film being at least partially selectively permeable.
  • This embodiment also has the advantage that the surface of the film is provided with a vapor film or liquid film, depending on the mean and the permeability of the film. This vapor or liquid layer increases the effectiveness of the fire protection unit.
  • the agent is preferably formed by a liquid or a mixture of at least two liquids.
  • the liquids or the at least one liquid preferably has a high viscosity.
  • the liquid can be used in particular in connection with a flexible fabric, preferably quartz / glass fiber.
  • the fibers are preferably mounted parallel to the protective part of the film, so that the intermediate space can be accommodated with the liquid.
  • the means is at least partially formed by a loaded absorber.
  • FIG. 1 shows a first embodiment of a flat, flexible fire protection unit in section.
  • the fire protection unit 1 has a support structure 2.
  • the support structure 2 is formed by a fiber mat which is porous. Within the pores 3, a means 4 is arranged, which changes under the action of heat so that it evaporates, for example.
  • the structure 2 is surrounded by foils 5, 6, which form a vapor barrier.
  • the schematic in the FIG. 1 shown fire protection unit can be prepared, for example, characterized in that first the porous support structure 2 is provided.
  • the means 4 is introduced.
  • the introduction of the agent can take place, for example, by that the support structure 2 is immersed in, for example, a bath with the agent.
  • the means can also be introduced by means of at least one roller or a similar device in the support structure.
  • the agent is applied to the support structure.
  • the excess agent is removed from the surface of the support structure.
  • the support structure is introduced with the means in a film in which the support structure is preferably hermetically sealed.
  • the structure is placed under vacuum during manufacture, so that the film rests close to the surface of the support structure.
  • the vacuum is installed so that the fire protection unit maintains flexibility.
  • the necessary opening for introducing the vacuum is then welded or glued.
  • FIG. 2 schematically a flat, flexible fire protection unit 1 is shown in a front view.
  • the fire protection unit 1 has a support structure 2, which has a plurality of chambers 3.
  • a means 4 is arranged in each case, which performs at least one state of aggregate change under the action of heat.
  • the support structure 2 is formed by films 5, 6 and 8.
  • the films 5, 6 and 8 are spaced from each other.
  • the films 5, 8 are interconnected by means of webs 7.
  • the films 6, 8 are interconnected by webs 9. They each form chambers 3, 10, which extend in the illustrated embodiment substantially parallel to each other.
  • the webs 7, 9 may be formed offset from each other, so that the chambers 3, 10 partially overlap.
  • the means 4, which is arranged in the chambers 3, 10, is preferably such an agent, which has an absorber, which is loaded with a liquid.
  • the absorber may be an organic or inorganic absorber.
  • the films 5, 6 are preferably semipermeable, so that the liquid optionally bound in the chambers can escape from the fire protection unit 1 through the foils 5, 6 after an aggregate change in the form of vapor.
  • FIG. 4 schematically a device for Abschotten a room against a flowing in the room or from the space fluid is shown.
  • the device has a bulkhead 11, which in the illustrated embodiment is pivotable about a substantially horizontally extending axis.
  • the bulkhead 11 is at least at the top and bottom with a fire protection unit, as for example in the FIG. 1 is shown provided.
  • Covers 12 are provided on both sides of the bulkhead, which are designed so that they are flexible and have a support structure with at least one chamber, in which at least one means is arranged, which performs at least one state of aggregate change under the action of heat.
  • the inventive design of the device for Abschotten a room against a flowing into the room or from space fluid, in particular a combustible liquid is achieved that the fire protection unit 1 on the one hand causes a liquid-tight barrier of a passage 13, so that the liquid is not can flow into the room or into a room. Because of that Fire protection unit has a means which performs at least one state of aggregate change under heat, it is achieved that the liquid-tight film is protected. A decomposition of the film by heat is substantially avoided.
  • FIG. 5 is shown schematically the temperature profile over time. The time is given in minutes.
  • FIG. 5 shows the temperature profile within a furnace.
  • the dotted curve of the temperature rise over time describes the change in temperature in a fire protection unit, which is designed in two layers.
  • the temperature profile is measured between the two layers of the fire protection unit.
  • the fire protection unit comprises two porous supporting structures which have pores. These are filled with a superabsorbent.
  • the support structures are each enclosed in a vapor barrier. From the course of the temperature between these two layers, it can be seen that after about 7 minutes the temperature rises from 100 ° C relatively rapidly to a temperature of about 500 ° C.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Public Health (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Installation Of Indoor Wiring (AREA)

Description

Der Gegenstand der Erfindung bezieht sich auf eine Vorrichtung zum Abschotten eines Raumes gegen ein in den Raum oder aus dem Raum strömendes Fluid, insbesondere eine brennbare Flüssigkeit.The object of the invention relates to a device for partitioning a space against a fluid flowing into or out of the room, in particular a combustible liquid.

Zum Schutz von Bauten, beispielsweise Bauwerken, Konstruktionen oder anderen Einrichtungen werden unterschiedliche Brandschutzmaßnahmen vorgenommen. So ist beispielsweise durch die CH 544 044 eine flächige, flexible Brandschutzeinheit bekannt. Die Brandschutzeinheit ist in Form einer Brandschutzfolie ausgebildet, die nicht brennbar und wärmeisolierend ist. Die Brandschutzeinheit weist ein folienartiges Trägermaterial mit einer Glasfasermatte auf. Auf die Glasfasermatte wird eine Schicht aus flüssigem und pulvrigem Wasserglas aufgetragen und anschließend verfestigt. Die Verfestigung kann durch Aushärten beziehungsweise Trocknen erfolgen. Der Vorteil einer solchen Brandschutzfolie nach der Druckschrift CH 544 044 ist, dass diese auch bei Einwirkung von sehr hohen Temperaturen eine zusammenhängende, geschlossene Schutzschicht aufweist, die auch bei längerer Hitzeeinrichtung keine Rissbildung aufweist.To protect buildings, such as structures, constructions or other facilities different fire protection measures are made. For example, by the CH 544 044 a flat, flexible fire protection unit known. The fire protection unit is designed in the form of a fire protection film that is non-flammable and heat-insulating. The fire protection unit has a foil-like carrier material with a glass fiber mat. A layer of liquid and powdery water glass is applied to the glass fiber mat and then solidified. The solidification can be done by curing or drying. The advantage of such a fire protection film according to the document CH 544 044 is that this has a continuous, closed protective layer even when exposed to very high temperatures, which has no cracking even with prolonged heat.

Durch die Druckschrift EP 0123 255 A1 ist ein Feuerschutzbauteil bekannt, dass ein vor Feuer schützendes Material enthält. Das Material besteht aus einem porösen, anorganischen Trägermaterial und einem bei Hitze aufschäumenden Brandschutzmittel. Da Material ist zwischen zwei Oberflächen des Bauteils sandwichartig angeordnet. Das Trägermaterial besteht aus Steinwolle oder Aluminiumsilikat in faseriger Form. Das bei Hitze aufschäumende Material ist in den Poren des Trägermaterials gleichmäßig verteilt, wobei das Material als Binder für die Fasern dient. Durch die Druckschrift DE 296 22 647 U1 ist ein Hochtemperaturdämmsystem bekannt. Das Dämmsystem weist ein Schottelement zur Ausbildung eines Brandschutzes aus Metall auf. Zur Bildung einer in Brandeinwirkungsrichtung vor dem Brandschott angeordneten Dämmabschirmung ist ein Isolationsmaterial aufweisendes Dämmelement vorgesehen. Für das Dämmelement ist eine Abdeckung aus Blech oder/und Folienmaterial vorgesehen. Jeweils ein Schottelement, ein Dämmelement und eine Blech-/Folienabdeckung sind unter Einschluss des Dämmelementes zwischen dem Schottelement und der Blech-/Folienabdeckung in ein Dämm/Schottelement als Bauelement integriert. Ein solches Dämmsystem ist insbesondere zum Schutz von Flugzeugbauteilen gegen Brandeinwirkung geeignet.Through the publication EP 0123 255 A1 a fire protection component is known that contains a fire-protecting material. The material consists of a porous, inorganic carrier material and a heat-foaming fire-retardant. Since material is sandwiched between two surfaces of the component. The carrier material consists of rock wool or aluminum silicate in a fibrous form. The intumescent material is evenly distributed in the pores of the carrier material, which serves as a binder for the fibers. Through the publication DE 296 22 647 U1 is a high-temperature insulation known. The insulation system has a bulkhead element for forming a fire protection made of metal. To form a arranged in fire exposure direction before the firewall insulation shield insulating material exhibiting insulating element is provided. For the insulating element, a cover made of sheet metal and / or sheet material is provided. In each case a bulkhead element, an insulating element and a sheet metal / foil cover are integrated with the inclusion of the insulating element between the bulkhead element and the sheet metal / foil cover in an insulation / bulkhead element as a component. Such an insulation system is particularly suitable for the protection of aircraft components against fire.

Durch die WO2007/057202 ist ein Klappschott sowie eine Vorrichtung zum Abschotten eines Raumes gegen ein in den Raum oder aus dem Raum strömendes Fluid, insbesondere eine brennbare Flüssigkeit, bekannt. Die Vorrichtung weist ein Klappschott auf, das aus einer ersten Position in eine zweite Position um eine Achse verschwenkbar ist. Es ist eine flexible Dichtung vorgesehen, die wenigstens einen über einen quer zur Achse verlaufenden Rand vorstehenden Lappen aufweist, der mit dem Klappschott und einem Rahmen verbunden ist. Benachbart zu dem wenigstens einem Lappen ist wenigstens ein Abschirmmittel vorgesehen.By the WO2007 / 057202 is a hinged partition and a device for Abschotten a room against a flowing into the room or from the space fluid, in particular a combustible liquid known. The device has a hinged partition, which can be pivoted about an axis from a first position to a second position. A flexible seal is provided which has at least one tab projecting over a transverse edge to the axis which is connected to the hinged partition and a frame. Adjacent to the at least one flap, at least one shielding means is provided.

Hiervon ausgehend liegt der vorliegenden Erfindung die Zielsetzung zugrunde, eine Vorrichtung zum Abschotten eines Raumes gegen ein in den Raum oder aus dem Raum strömendes Fluid, insbesondere eine brennbare Flüssigkeit bereit zu stellen. welche verbesserte Brandschutzeigenschaften aufweist.On this basis, the present invention, the object underlying an apparatus for Abschotten a room against a flowing into the room or from space fluid, in particular to provide a combustible liquid. which has improved fire protection properties.

Diese Aufgabe wird erfindungsgemäß durch eine eine Vorrichtung zum Abschotten eines Raumes gegen ein in den Raum oder aus dem Raum strömendes Fluid, insbesondere eine brennbare Flüssigkeit mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Weiterbildungen und Ausgestaltungen sind Gegenstand der abhängigen Ansprüche.This object is achieved by a device for Abschotten a room against a flowing into the room or from the room fluid, in particular a combustible liquid with the Characteristics of claim 1 solved. Advantageous developments and refinements are the subject of the dependent claims.

Die Vorrichtung weist wenigstens eine flexible Brandschutzeinheit auf. Die Brandschutzeinheit umfasst wenigstens eine poröse Tragstruktur, wobei die Poren der Tragstruktur wenigstens teilweise mit wenigstens einem Mittel gefüllt sind, welches unter Wärmeeinwirkung wenigstens einen Schmelz- und/oder Verdampfungsvorgang durchführt. Die Vorrichtung umfasst ein Klappschott, wobei die Brandschutzeinheit mit dem Klappschott verbunden ist.The device has at least one flexible fire protection unit. The fire protection unit comprises at least one porous support structure, wherein the pores of the support structure are at least partially filled with at least one agent which performs at least one melting and / or evaporation process under the action of heat. The device comprises a hinged partition, wherein the fire protection unit is connected to the hinged partition.

Die Poren der Tragstruktur können unterschiedlich groß sein. Die Tragstruktur ist vorzugsweise wenigstens teilweise aus mineralischen Faser gebildet. Die Poren der Tragstruktur können auch in Form von Kanälen vorliegen.The pores of the support structure can be of different sizes. The support structure is preferably formed at least partially of mineral fiber. The pores of the support structure may also be in the form of channels.

Durch den Schmelz- und/oder Verdampfungsvorgang wird erreicht, dass die Temperatur der Brandschutzeinheit für eine gewisse Zeit nicht oder nur unwesentlich ansteigt, so dass die Zeitspanne, innerhalb der die Brandschutzeinheit wirksam ist, vergrößert werden kann.By the melting and / or evaporation process is achieved that the temperature of the fire protection unit for a certain time does not increase or only slightly, so that the period of time within which the fire protection unit is effective, can be increased.

Die Wirksamkeit der flächigen Brandschutzeinheit kann noch weiter dadurch gesteigert werden, dass das Mittel, welches eine Aggregatszustandsänderung durchführt, über eine vorzugsweise hohe Wärmekapazität verfügt. Vorteilhaft ist es, wenn die Tragstruktur aus einem Werkstoff gebildet ist, der eine geringe Wärmeleitfähigkeit aufweist. Hierdurch wird der Wärmetransport in das Mittel verringert. Die Wirksamkeit der Brandschutzeinheit wird hierdurch erhöht.The effectiveness of the planar fire protection unit can be further increased by the fact that the means which performs an aggregate state change has a preferably high heat capacity. It is advantageous if the support structure is formed from a material which has a low thermal conductivity. This reduces the heat transfer into the medium. The effectiveness of the fire protection unit is thereby increased.

Das Mittel kann in fester, beispielsweise in körniger Form vorliegen. Es besteht auch die Möglichkeit, dass das Mittel eine Flüssigkeit oder eine pastöse Flüssigkeit ist. Gegebenenfalls wird das Mittel gebunden vorliegen. Dies kann vorzugsweise dadurch erreicht werden, dass das Mittel zusammen mit Absorbern eingesetzt wird. Bei den Absorbern kann es sich um organische oder anorganische Absorber handeln.The agent may be in solid, for example in granular form. There is also the possibility that the agent is a liquid or a pasty liquid. If necessary, the agent will be available bound. This can preferably be achieved by the means used together with absorbers. The absorbers may be organic or inorganic absorbers.

Nach einer vorteilhaften Weiterbildung des erfindungsgemäßen Vorrichtung wird vorgeschlagen, dass die Tragstruktur wenigstens teilweise von einer Dampfsperre umgeben ist. Hierdurch wird sicher gestellt, dass das Mittel, welches beispielsweise unter Wärmeeinwirkung verdampft, länger in der Tragstruktur verbleibt. Darüber hinaus hat das Vorsehen der Dampfsperre den Vorteil, dass hierdurch eine verbesserte Lagehaltung der Brandschutzeinheit erreicht wird.According to an advantageous development of the device according to the invention it is proposed that the support structure is at least partially surrounded by a vapor barrier. This ensures that the agent, which evaporates, for example, under the action of heat, remains longer in the support structure. In addition, the provision of the vapor barrier has the advantage that in this way an improved posture of the fire protection unit is achieved.

Bei der Dampfsperre handelt es sich vorzugsweise um eine solche, die wenigstens teilweise durch eine Folie gebildet ist.The vapor barrier is preferably one which is at least partially formed by a film.

Besonders bevorzugt ist eine Ausgestaltung, bei der die Dampfsperre die Tragstruktur im Wesentlichen hermetisch gegenüber der Umgebung abschließt.Particularly preferred is an embodiment in which the vapor barrier substantially hermetically seals the support structure from the environment.

Zur Erhöhung der Standzeit der Brandschutzeinheit wird gemäß einer noch weiteren vorteilhaften Ausgestaltung vorgeschlagen, dass wenigstens zwei relativ zueinander verschiebbare Tragstrukturen vorgesehen sind.To increase the service life of the fire protection unit is proposed according to a still further advantageous embodiment that at least two relatively movable support structures are provided.

Die Tragstruktur kann auch derart ausgebildet sein, dass diese Kammern aufweist, die durch vorzugsweise flexible Stege voneinander getrennt sind. Die einzelnen Kammern können mit gleichen oder unterschiedlichen Mitteln befüllt sein.The support structure can also be designed such that it has chambers which are separated from one another by preferably flexible webs. The individual chambers can be filled with the same or different means.

Besonders bevorzugt ist eine Ausgestaltung der Brandschutzeinheit, bei der die Stege dampfdurchlässig sind. Hierdurch wird ein gewisser Druckausgleich innerhalb der Kammern erreicht, wenn unter Wärmeeinwirkung das Mittel verdampft.Particularly preferred is an embodiment of the fire protection unit, in which the webs are vapor-permeable. As a result, a certain pressure equalization within the chambers is achieved when the agent evaporates under the action of heat.

Besonders bevorzugt ist eine weitere Ausgestaltung der Brandschutzeinheit, bei der die wenigstens eine Folie wenigstens teilweise selektivpermeabel, vorzugsweise permeabel ist.Particularly preferred is a further embodiment of the fire protection unit, wherein the at least one film is at least partially selectively permeable, preferably permeable.

Kommt es während einer Wärmeeinwirkung auf die Brandschutzeinheit zu einem Verdampfen des Mittels, so steigt der Druck innerhalb der Kammer beziehungsweise der Kammern an. Um sicher zu stellen, dass bei Überschreitung eines zulässigen maximalen Drucks die Folien nicht zerstört werden, kann ein gewisser Druckausgleich dadurch erreicht werden, dass die wenigstens eine Folie wenigstens teilweise selektivpermeabel ist. Diese Ausgestaltung hat des Weiteren den Vorteil, dass die Oberfläche der Folie mit einem Dampffilm oder Flüssigkeitsfilm, und zwar in Abhängigkeit vom Mittel und der Permeabilität der Folie versehen wird. Diese Dampf- oder Flüssigkeitsschicht erhöht die Wirksamkeit der Brandschutzeinheit.If evaporation of the agent occurs during heat exposure to the fire protection unit, the pressure inside the chamber or chambers increases. To ensure that the films are not destroyed when a maximum allowable pressure is exceeded, a certain pressure equalization can be achieved by the at least one film being at least partially selectively permeable. This embodiment also has the advantage that the surface of the film is provided with a vapor film or liquid film, depending on the mean and the permeability of the film. This vapor or liquid layer increases the effectiveness of the fire protection unit.

Das Mittel ist vorzugsweise durch eine Flüssigkeit oder ein Gemisch aus wenigstens zwei Flüssigkeiten gebildet. Die Flüssigkeiten oder die wenigstens eine Flüssigkeit weist vorzugsweise eine hohe Viskosität auf. Die Flüssigkeit kann insbesondere in Zusammenhang mit einem flexiblen Gewebe, vorzugsweise Quarz/Glasfaser verwendet werden. Hierbei sind die Fasern vorzugsweise parallel zum schützenden Teil der Folie angebracht, so dass der Zwischenraum mit der Flüssigkeit aufgenommen werden kann.The agent is preferably formed by a liquid or a mixture of at least two liquids. The liquids or the at least one liquid preferably has a high viscosity. The liquid can be used in particular in connection with a flexible fabric, preferably quartz / glass fiber. In this case, the fibers are preferably mounted parallel to the protective part of the film, so that the intermediate space can be accommodated with the liquid.

Gemäß einer noch weiteren vorteilhaften Ausgestaltung der erfindungsgemäßen Vorrichtung wird vorgeschlagen, dass das Mittel wenigstens teilweise durch einen beladenen Absorber gebildet ist.According to yet another advantageous embodiment of the device according to the invention it is proposed that the means is at least partially formed by a loaded absorber.

Weitere Einzelheiten und Vorteile der Erfindung werden anhand der in der Zeichnung dargestellten Ausführungsbeispiele erläutert, ohne dass der Gegenstand der Erfindung auf diese konkreten Ausführungsbeispiele beschränkt ist.Further details and advantages of the invention will be explained with reference to the embodiments illustrated in the drawings, without the subject matter of the invention being limited to these specific embodiments.

Es zeigen:

Fig. 1:
schematisch ein erstes Ausführungsbeispiel einer Brandschutzeinheit im Schnitt,
Fig. 2:
eine zweite Ausführungsform einer Brandschutzeinheit in einer Vorderansicht,
Fig. 3:
die Brandschutzeinheit nach Figur 2 im Schnitt,
Fig. 4:
ein Ausführungsbeispiel einer Vorrichtung zum Abschotten eines Raumes und
Fig. 5:
schematisch den Temperaturverlauf über der Zeit.
Show it:
Fig. 1:
schematically a first embodiment of a fire protection unit in section,
Fig. 2:
a second embodiment of a fire protection unit in a front view,
3:
the fire protection unit after FIG. 2 on average,
4:
an embodiment of a device for Abschotten a room and
Fig. 5:
schematically the temperature profile over time.

Figur 1 zeigt ein erstes Ausführungsbeispiel einer flächigen, flexiblen Brandschutzeinheit im Schnitt. Die Brandschutzeinheit 1 weist eine Tragstruktur 2 auf. Die Tragstruktur 2 ist gebildet durch eine Fasermatte, die porös ist. Innerhalb der Poren 3 ist ein Mittel 4 angeordnet, welches sich unter Wärmeeinwirkung so verändert, dass es beispielsweise verdampft. Die Struktur 2 ist umgeben von Folien 5, 6, die eine Dampfsperre bilden. FIG. 1 shows a first embodiment of a flat, flexible fire protection unit in section. The fire protection unit 1 has a support structure 2. The support structure 2 is formed by a fiber mat which is porous. Within the pores 3, a means 4 is arranged, which changes under the action of heat so that it evaporates, for example. The structure 2 is surrounded by foils 5, 6, which form a vapor barrier.

Die schematisch in der Figur 1 dargestellte Brandschutzeinheit kann beispielsweise dadurch hergestellt werden, dass zunächst die poröse Tragstruktur 2 bereitgestellt wird. In die Tragstruktur 2 wird das Mittel 4 eingebracht. Die Einbringung des Mittels kann beispielsweise dadurch erfolgen, dass die Tragstruktur 2 in beispielsweise ein Bad mit dem Mittel eingetaucht wird. Das Mittel kann auch mittels wenigstens einer Walze oder einem vergleichbaren Gerät in die Tragstruktur eingebracht werden. Hierzu wird das Mittel auf die Tragstruktur aufgebracht. Das überschüssige Mittel wird von der Oberfläche der Tragstruktur entfernt. Anschließend wird die Tragstruktur mit dem Mittel in eine Folie eingebracht, in der die Tragstruktur vorzugsweise hermetisch abgeschlossen wird. Zur Verbesserung der Brandschutzeigenschaften der Brandschutzeinheit wird des Weiteren bei der Herstellung die Struktur unter Vakuum gesetzt, so dass die Folie dicht an der Oberfläche der Tragstruktur anliegt. Das Vakuum wird so angebracht, dass die Brandschutzeinheit eine Flexibilität beibehält. Die zur Einbringung des Vakuums notwendige Öffnung wird anschließend verschweißt bzw. verklebt.The schematic in the FIG. 1 shown fire protection unit can be prepared, for example, characterized in that first the porous support structure 2 is provided. In the support structure 2, the means 4 is introduced. The introduction of the agent can take place, for example, by that the support structure 2 is immersed in, for example, a bath with the agent. The means can also be introduced by means of at least one roller or a similar device in the support structure. For this purpose, the agent is applied to the support structure. The excess agent is removed from the surface of the support structure. Subsequently, the support structure is introduced with the means in a film in which the support structure is preferably hermetically sealed. Furthermore, in order to improve the fire protection properties of the fire protection unit, the structure is placed under vacuum during manufacture, so that the film rests close to the surface of the support structure. The vacuum is installed so that the fire protection unit maintains flexibility. The necessary opening for introducing the vacuum is then welded or glued.

In der Figur 2 ist schematisch eine flächige, flexible Brandschutzeinheit 1 in einer Vorderansicht dargestellt. Die Brandschutzeinheit 1 weist eine Tragstruktur 2 auf, die mehrere Kammern 3 aufweist. In jeder Kammer 3 ist jeweils ein Mittel 4 angeordnet, welches unter Wärmeeinwirkung wenigstens eine Aggregatszustandsänderung durchführt.In the FIG. 2 schematically a flat, flexible fire protection unit 1 is shown in a front view. The fire protection unit 1 has a support structure 2, which has a plurality of chambers 3. In each chamber 3, a means 4 is arranged in each case, which performs at least one state of aggregate change under the action of heat.

Aus der Schnittdarstellung nach Figur 3 ist ersichtlich, dass die Tragstruktur 2 durch Folien 5, 6 und 8 gebildet ist. Die Folien 5, 6 und 8 sind beabstandet zu einander ausgebildet. Die Folien 5, 8 sind mittels Stegen 7 miteinander verbunden. Die Folien 6, 8 sind mittels Stegen 9 miteinander verbunden. Sie bilden jeweils Kammern 3, 10, die sich in dem dargestellten Ausführungsbeispiel im Wesentlichen parallel zu einander strecken. Die Stege 7, 9 können versetzt zu einander ausgebildet sein, so dass sich die Kammern 3, 10 teilweise überlappen.From the sectional view to FIG. 3 it can be seen that the support structure 2 is formed by films 5, 6 and 8. The films 5, 6 and 8 are spaced from each other. The films 5, 8 are interconnected by means of webs 7. The films 6, 8 are interconnected by webs 9. They each form chambers 3, 10, which extend in the illustrated embodiment substantially parallel to each other. The webs 7, 9 may be formed offset from each other, so that the chambers 3, 10 partially overlap.

Bei dem Mittel 4, welches in den Kammern 3, 10 angeordnet ist, handelt es sich vorzugsweise um ein solches Mittel, die einen Absorber aufweist, der mit einer Flüssigkeit beladen ist. Der Absorber kann ein organischer oder anorganischer Absorber sein.The means 4, which is arranged in the chambers 3, 10, is preferably such an agent, which has an absorber, which is loaded with a liquid. The absorber may be an organic or inorganic absorber.

Zur Lagerung der Brandschutzeinheit sowie zur Formstabilisierung kann bei der Herstellung der Brandschutzeinheit derart vorgegangen werden, dass die Kammern unter ein bestimmtes Vakuum gesetzt werden und anschließend die Kammern luftdicht verschlossen werden. Die Höhe des Vakuums hat Auswirkungen auf die Steifigkeit der Brandschutzeinheit 1.For storage of the fire protection unit as well as for shape stabilization, it is possible to proceed in the production of the fire protection unit such that the chambers are placed under a certain vacuum and then the chambers are sealed airtight. The height of the vacuum has an effect on the rigidity of the fire protection unit 1.

Die Folien 5, 6 sind vorzugsweise semipermeabel ausgebildet, so dass die in den Kammern gegebenenfalls gebundene Flüssigkeit nach einer Aggregatszustandsänderung in Form von Dampf aus der Brandschutzeinheit 1 durch die Folien 5, 6 austreten kann.The films 5, 6 are preferably semipermeable, so that the liquid optionally bound in the chambers can escape from the fire protection unit 1 through the foils 5, 6 after an aggregate change in the form of vapor.

In der Figur 4 ist schematisch eine Vorrichtung zum Abschotten eines Raumes gegen ein in dem Raum oder aus den Raum strömendes Fluid dargestellt. Die Vorrichtung weist ein Schott 11 auf, welches in dem dargestellten Ausführungsbeispiel verschwenkbar um eine im Wesentlichen horizontal verlaufende Achse ist. Der Schott 11 ist zumindest an der Ober- und Unterseite mit einer Brandschutzeinheit, wie sie beispielsweise in der Figur 1 dargestellt ist, versehen. Beidseits des Schotts sind Abdeckungen 12 vorgesehen, welche derart ausgebildet sind, dass diese flexibel sind und eine Tragstruktur mit wenigstens einer Kammer aufweisen, in der wenigstens ein Mittel angeordnet ist, welches unter Wärmeeinwirkung wenigstens eine Aggregatszustandsänderung durchführt.In the FIG. 4 schematically a device for Abschotten a room against a flowing in the room or from the space fluid is shown. The device has a bulkhead 11, which in the illustrated embodiment is pivotable about a substantially horizontally extending axis. The bulkhead 11 is at least at the top and bottom with a fire protection unit, as for example in the FIG. 1 is shown provided. Covers 12 are provided on both sides of the bulkhead, which are designed so that they are flexible and have a support structure with at least one chamber, in which at least one means is arranged, which performs at least one state of aggregate change under the action of heat.

Durch die erfindungsgemäße Ausgestaltung der Vorrichtung zum Abschotten eines Raumes gegen ein in den Raum oder aus dem Raum strömendes Fluid, insbesondere eine brennbare Flüssigkeit, wird erreicht, dass die Brandschutzeinheit 1 zum einen eine flüssigkeitsdichte Absperrung eines Durchgangs 13 bewirkt, so dass die Flüssigkeit nicht aus dem Raum beziehungsweise in einen Raum strömen kann. Dadurch, dass die Brandschutzeinheit ein Mittel aufweist, welches unter Wärmeeinwirkung wenigstens eine Aggregatszustandsänderung durchführt, wird erreicht, dass die flüssigkeitsdichte Folie geschützt wird. Ein Zersetzen der Folie durch Hitze wird im Wesentlichen vermieden.The inventive design of the device for Abschotten a room against a flowing into the room or from space fluid, in particular a combustible liquid is achieved that the fire protection unit 1 on the one hand causes a liquid-tight barrier of a passage 13, so that the liquid is not can flow into the room or into a room. Because of that Fire protection unit has a means which performs at least one state of aggregate change under heat, it is achieved that the liquid-tight film is protected. A decomposition of the film by heat is substantially avoided.

Durch die öffnungsgemäße Ausgestaltung der Vorrichtung wird erreicht, dass das Schott, insbesondere das Klappschott relativ leicht ausgebildet werden kann.Due to the opening configuration of the device is achieved that the bulkhead, in particular the hinged partition can be relatively easily formed.

In der Figur 5 ist schematisch der Temperaturverlauf über der Zeit dargestellt. Die Zeit ist in Minuten angegeben.In the FIG. 5 is shown schematically the temperature profile over time. The time is given in minutes.

Gestrichelt zeigt die Figur 5 den Temperaturverlauf innerhalb eines Ofens. Der mit Punkten versehene Verlauf des Temperaturanstiegs während der Zeit beschreibt die Änderung der Temperatur in einer Brandschutzeinheit, die zweilagig ausgebildet ist. Der Temperaturverlauf ist zwischen den beiden Lagen der Brandschutzeinheit gemessen. Die Brandschutzeinheit umfasst zwei poröse Tragstrukturen, die Poren aufweisen. Diese sind mit einem Superabsorber gefüllt. Die Tragstrukturen sind jeweils in einer Dampfsperre eingeschlossen. Aus dem Verlauf der Temperatur zwischen diesen beiden Lagen ist ersichtlich, dass nach circa 7 Minuten die Temperatur von 100 °C relativ rasch auf eine Temperatur von circa 500 °C ansteigt.Dashed shows the FIG. 5 the temperature profile within a furnace. The dotted curve of the temperature rise over time describes the change in temperature in a fire protection unit, which is designed in two layers. The temperature profile is measured between the two layers of the fire protection unit. The fire protection unit comprises two porous supporting structures which have pores. These are filled with a superabsorbent. The support structures are each enclosed in a vapor barrier. From the course of the temperature between these two layers, it can be seen that after about 7 minutes the temperature rises from 100 ° C relatively rapidly to a temperature of about 500 ° C.

Aus dem mit Dreiecken gekennzeichneten Temperaturverlauf ist erkennbar, dass zwischen zwei Lagen der Brandschutzeinheit die Temperatur für circa 15 Minuten auf einem Wert von circa 100 °C verbleibt. Die beiden Lagen entsprechen im Wesentlichen der Ausgestaltung des vorstehend genannten Ofentest, wobei die Dicke der Tragstruktur 6 mm beträgt.From the temperature profile marked with triangles, it can be seen that between two layers of the fire protection unit the temperature remains at a value of approximately 100 ° C. for approximately 15 minutes. The two layers essentially correspond to the configuration of the abovementioned oven test, the thickness of the support structure being 6 mm.

Bei einer zweilagigen Brandschutzeinheit mit einer Tragstruktur von jeweils 12 mm erfolgt erst nach circa 30 Minuten ein steiler Temperaturanstieg. Bis zu 30 Minuten verharrt die Temperatur zwischen den beiden Lagen auf circa 100 °C.In a two-layer fire protection unit with a supporting structure of 12 mm each, a steep temperature rise only takes about 30 minutes. The temperature between the two layers remains at approximately 100 ° C for up to 30 minutes.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
BrandschutzeinheitFire protection
22
Tragstruktursupporting structure
33
Kammerchamber
44
Mittelmedium
55
Foliefoil
66
Foliefoil
77
Stegweb
88th
Foliefoil
99
Stegweb
1010
Kammerchamber
1111
Schottbulkhead
1212
Abdeckungcover
1313
Durchgangpassage

Claims (10)

  1. Device for shutting of a room against a fluid, especially an inflammable liquid, flowing into the room or out of the room, characterized in that the device comprises a flexible fire protection unit (1), wherein the fire protection unit (1) has at least one porous carrying structure (2), and the pores (3) of the carrying structure (2) are filled at least partially with at least one medium (4) which, under the action of heat, carries out at least one melting and/or evaporation process, wherein the device has a folding bulkhead (11), and the fire protection unit (1) is connected to the folding bulkhead (11).
  2. Device as claimed in claim 1, characterized in that the carrying structure (2) is surrounded at least partially by a vapor barrier (5, 6).
  3. Device as claimed in claim 2, characterized in that the vapor barrier (5, 6) is formed at least partially by a foil.
  4. Device as claimed in claim 2 or 3, characterized in that the vapor barrier (5, 6) closes off the carrying structure (2) essentially hermetically with respect to the surroundings.
  5. Device as claimed in at least one of the preceding claims 1 to 4, characterized in that the carrying structure (2) is formed at least partially from mineral fibers.
  6. Device as claimed in one of claims 1 to 5, characterized in that it has at least two carrying structures (2) displaceable in relation to one another.
  7. Device as claimed in at least one of the preceding claims 1 to 6, characterized in that the carrying structure (2) has chambers (3) which are separated from one another by webs (7), preferably flexible webs.
  8. Device as claimed in claim 7, characterized in that the webs (7) are vaporpermeable.
  9. Device as claimed in at least one of the preceding claims 1 to 8, characterized in that the medium (4) is formed by a liquid or a mixture of at least two liquids.
  10. Device as claimed in at least one of the preceding claims 1 to 9, characterized in that the medium (4) is formed at least partially by a charged absorber.
EP09749884.4A 2008-05-21 2009-05-20 Flat, preferably flexible fire protection unit Active EP2286039B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09749884T PL2286039T3 (en) 2008-05-21 2009-05-20 Flat, preferably flexible fire protection unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008024575A DE102008024575A1 (en) 2008-05-21 2008-05-21 Flat, preferably flexible fire protection unit and device for partitioning a space against a flowing into the room or from the space fluid, in particular a combustible liquid
PCT/EP2009/056170 WO2009141394A2 (en) 2008-05-21 2009-05-20 Flat, preferably flexible fire protection unit and device for shutting off a room against a fluid, especially an inflammable liquid flowing into the room or out of the room

Publications (2)

Publication Number Publication Date
EP2286039A2 EP2286039A2 (en) 2011-02-23
EP2286039B1 true EP2286039B1 (en) 2016-02-17

Family

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Family Applications (1)

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EP09749884.4A Active EP2286039B1 (en) 2008-05-21 2009-05-20 Flat, preferably flexible fire protection unit

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US (1) US9200440B2 (en)
EP (1) EP2286039B1 (en)
CA (1) CA2724568C (en)
DE (1) DE102008024575A1 (en)
PL (1) PL2286039T3 (en)
WO (1) WO2009141394A2 (en)

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Also Published As

Publication number Publication date
US9200440B2 (en) 2015-12-01
US20110155399A1 (en) 2011-06-30
EP2286039A2 (en) 2011-02-23
PL2286039T3 (en) 2019-11-29
CA2724568C (en) 2016-10-25
DE102008024575A1 (en) 2009-11-26
WO2009141394A2 (en) 2009-11-26
CA2724568A1 (en) 2009-11-26
WO2009141394A3 (en) 2010-01-14

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