EP0796638B1 - Clapet coupe-feu - Google Patents

Clapet coupe-feu Download PDF

Info

Publication number
EP0796638B1
EP0796638B1 EP97250091A EP97250091A EP0796638B1 EP 0796638 B1 EP0796638 B1 EP 0796638B1 EP 97250091 A EP97250091 A EP 97250091A EP 97250091 A EP97250091 A EP 97250091A EP 0796638 B1 EP0796638 B1 EP 0796638B1
Authority
EP
European Patent Office
Prior art keywords
fire
opening
belt
continuous belt
fireproof
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97250091A
Other languages
German (de)
English (en)
Other versions
EP0796638A3 (fr
EP0796638A2 (fr
Inventor
Günter Kolb
Franz Ulmrich
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.)
Gesellschaft fur Sicherheits und Brandschutztechnische Komponenten und Anlagen Mbh
Original Assignee
Gesellschaft fur Sicherheits und Brandschutztechnische Komponenten und Anlagen Mbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gesellschaft fur Sicherheits und Brandschutztechnische Komponenten und Anlagen Mbh filed Critical Gesellschaft fur Sicherheits und Brandschutztechnische Komponenten und Anlagen Mbh
Publication of EP0796638A2 publication Critical patent/EP0796638A2/fr
Publication of EP0796638A3 publication Critical patent/EP0796638A3/fr
Application granted granted Critical
Publication of EP0796638B1 publication Critical patent/EP0796638B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/18—Sliding dampers

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • a device is known from WO-A-9402208.
  • buildings are usually divided into individual fire-resistant fire sections.
  • Such fire compartment partitions consist of space-enclosing fire-resistant components, such as. B. walls or ceilings.
  • Openings must be provided in the fire compartment partitions if this is necessary for operational reasons. These openings initially cancel the fire-resistant room closure by separating the fire compartments. It is therefore necessary to automatically close the openings in the event of a fire with special fire protection closures must have the same protective effect as the fire compartment partitions themselves.
  • Such fire protection closures are known in the form of rigid flaps, swing doors or sliding elements which are moved in front of the opening in the event of a fire. With these constructions, a considerable amount of space is required in the area of the openings. These sealing elements also have a considerable weight, so that the overall construction is very stable and heavy.
  • the drive and locking systems are relatively complicated to ensure the closing and opening functions prescribed by the building authorities.
  • Fire protection closures for closing openings through which pipes pass are also known. Devices are used here by which the pipes are separated in the event of a fire in a complicated and technically complex manner in order to be able to move the fire protection element in front of the opening.
  • the refractory element consists of a circumferential band, which has at least two holes corresponding to the openings in the fire separation, which are normally aligned with the opening opposite each other, and which are pushed out of the area of coverage of the opening in the event of fire, the space (parking space) required for the element in the normal position can be kept extremely small.
  • the element can for example consist of sheet metal or a fire-resistant textile or ceramic fabric. In order to withstand the fire for a prescribed duration, the sheet on the side facing away from the fire side can be cooled by a cooling device.
  • the textile or ceramic fabric can also carry additional materials that protect against the effects of fire on one or both sides, which do not or only insignificantly impair the flexibility of the refractory element.
  • the cooling device for cooling the sheet advantageously has a material which contains chemically bound water, which is released and evaporated in the event of a fire.
  • an opening 2 is provided, for example, for the passage of transported goods.
  • a fire protection closure fastened to the wall 1 with a box-shaped housing 3 which completely surrounds the opening 2.
  • the housing 3 consists of thin sheet metal and has holes 4 on opposite sides which are aligned with the opening 2, so that the passage of the goods through the housing 3 is not impaired.
  • the housing 3 is lined on the inside with insulating plates 5, which are very strongly water-containing.
  • the water is chemically bound, such as in plasterboard. Under the action of heat in the event of a fire, the chemically bound water is released and can evaporate, so that the insulating plates 5 exert a strong cooling effect on their surroundings in the event of a fire.
  • the insulating plates 5 are designed in their mass and nature so that the water balance available for cooling is adapted to the fire resistance duration required in each case.
  • the housing 3 lined with the insulating plates 5 forms a cavity 6 in which the actual fire protection closure is accommodated.
  • the opening 2 is closed by a circumferential metal strip 7, the opposite running sections of which lie parallel to the opening 2 at a mutual distance.
  • a circumferential metal strip 7 two holes are cut the size of the holes 4 and the opening 2, which are spaced from one another in the longitudinal direction of the sheet metal strip 7 such that they are in a certain position (normal position or open position) in the two opposing sections opposite and aligned with the opening 2 or the holes 4, so that they also do not interfere with the passage of the goods in this position.
  • the distance between the holes 8 is at least as large as the width of the opening 2 in the circumferential direction of the metal strip 7.
  • the sheet metal strip 7 is guided over two deflection rollers 9, which are located on opposite sides of the opening 2.
  • the deflecting rollers 9 each have a ring of cams 10 on the outer edges, which engage in slots 11 punched out on the longitudinal edges of the metal strip 7. This creates a positive connection through which the sheet metal strip 7 can be guided and also moved over the deflection rollers 9.
  • one of the deflection rollers 9 is connected to a drive which can be triggered in a known manner in the event of a fire.
  • the deflection rollers 9 are adjustably arranged on a carrier system, which in turn is fastened in the housing 3.
  • the sheet metal strip 7 In order to avoid bending or warping of the sheet metal strip 7 during the movement, it is preferably guided laterally. This guidance can be done by a support or by a chain.
  • the chain runs parallel to the edge of the sheet metal strip 7 and is in engagement with it, so that the sheet metal strip 7 can also be driven via the chain.
  • the operation of the device described above is as follows.
  • the metal strip 7 is positioned so that there is a free passage of the fire section from one side to the other.
  • one of the deflection rollers 9 is rotated by a mechanical closing drive so far that the sheet metal strip 7 which has been taken along reaches a position in which the holes 8 have completely moved out of the area of coverage of the opening 2, so that they run in opposite directions through the two Sections of the metal strip 7 is hermetically sealed.
  • the device is designed so that the opening 2 can be closed and opened by the sheet metal strip 7 without great effort and with little wear and tear, without a fire occurring.
  • a cooling device made of a sealing block is arranged on both sides of the opening 2 and, like the insulating plates 5, consists of a material containing water in chemically bound form and releasing it when exposed to heat.
  • the sealing block 12 becomes the space 13 in front of the opening 2 between the two opposite running sections of the sheet metal strip 7 completed by a perforated plate 14.
  • the water vapor generated by the release and evaporation of water flows out of the sealing block 12 through the openings in the perforated plate 14 into the space 13, as a result of which the sheet metal strip 7 closing the opening 2 is cooled for a predetermined duration on the side facing away from the fire side.
  • the resistance of the sheet metal strip 7 to the fire attack is strengthened and a lowering of the temperature is achieved on the side facing away from the fire side.
  • the entire construction of the fire protection closure is screwed together with bolts 18 and nuts 19.
  • the carrier 20 for the deflecting rollers 9 is also connected to this screw connection.
  • a pipe 21 is flanged on both sides of the wall 1, so that the fire protection closure shown can also be used for pneumatic conveying systems for transporting suspended matter.
  • the present construction is particularly suitable for these, since there are no unevenness in the passage due to the small dimensions or thickness of the metal strip 7. These can lead to sediment deposits, which can prevent the fire protection closure from closing in the event of a fire.
  • the refractory element consists of a fabric band 22 made of textile or ceramic material.
  • This fabric band 22 works without water vapor cooling. It can be used alone if necessary; however, in most cases it is used as a carrier material for so-called protective beads 23, 24.
  • FIG. 6 shows protective beads 23 attached to the outside of the fabric strip 22 and protective beads 24 attached to the inside of the fabric strip 22, which can be provided individually or together.
  • the protective beads 23, 24 are attached to the fabric tape 22 using commercially available materials. They are constructed and arranged in such a way that they are without mutual hindrance or disability can be performed by the pulleys 9 on this.
  • the outside caterpillars 23 can consist of sheet metal bodies filled with insulating material. They can also be made of a refractory material that foams when exposed to heat and thereby represent a closed protective shield.
  • the caterpillars 24 attached on the inside must consist of a refractory material which foams very strongly even with relatively little heat (> 120 ° C.). The foaming takes place inwards, so that the entire space 13 between the opposing band sections is filled with foam 25. This is a very effective protection against the effects of heat.
  • a deflecting roller and the refractory band can contain a pipe feed, via which, in the event of fire, the room 13 has a pourable insulating material, e.g. B. expanded mica is supplied.
  • a shut-off device in the pipe feed which opens automatically when exposed to heat, the insulating material slips out of a container through corresponding passages in the deflection roller and in the refractory band into the space 13 between the band sections and insulates them fire-resistant.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Building Environments (AREA)
  • Special Wing (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Insulated Conductors (AREA)
  • Fire Alarms (AREA)

Claims (18)

  1. Dispositif d'obturation coupe-feu d'une ouverture (2) ménagée dans une séparation (1) de secteurs de feu dans un bâtiment, comportant un élément (7, 22) résistant au feu, pouvant coulisser automatiquement devant l'ouverture (2) en cas d'incendie,
    caractérisé en ce que l'élément résistant au feu est constitué d'une bande flexible circulant en boucle (7, 22) qui comporte au moins deux trous (8) correspondant aux ouvertures (2) ménagées dans la séparation (1) des secteurs de feu, trous qui, en cas normal, sont disposés en face l'un de l'autre, de manière alignée sur l'ouverture (2), et qui, en cas d'incendie, coulissent hors de la zone d'alignement avec l'ouverture (2).
  2. Dispositif selon la revendication 1, caractérisé en ce que la bande (7, 22) est guidée sur deux rouleaux (9) respectivement disposés d'un côté des deux côtés opposés de l'ouverture (2).
  3. Dispositif selon la revendication 2, caractérisé en ce que l'un au moins des rouleaux (9) peut être mis en rotation par un mécanisme de fermeture, en cas d'incendie, et est pourvu d'au moins une couronne de cames extérieures (10), couronne qui s'engrène dans des fentes (11) longeant au moins un bord de la bande circulant en boucle (7, 22).
  4. Dispositif selon la revendication 2, caractérisé en ce que la bande (7, 22) est guidée et supportée le long de ses bords longitudinaux.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce qu'il comporte un caisson (3) en forme de boîte qui entoure l'élément (7, 22) résistant au feu, le caisson étant pourvu de trous (4) qui sont disposés en face l'un de l'autre, de façon alignée sur l'ouverture (2).
  6. Dispositif selon la revendication 5, caractérisé en ce que le caisson (3) en forme de boîte comporte un revêtement (5) composé d'un matériau contenant de l'eau chimiquement liée.
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce qu'à l'intérieur du caisson (3), hors de la zone d'ouverture, des bandes (17) d'un produit moussant sous l'effet de chaleur sont disposées entre la bande circulant en boucle (7, 22) et l'isolation (5) faisant face à celle-ci.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que, des deux côtés de la séparation (1) des secteurs de feu, des tuyaux (21) d'un système convoyeur pneumatique sont amenés jusqu'à l'ouverture (2).
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que l'élément (7) résistant au feu est réalisé en tôle et peut être refroidi par un dispositif refroidisseur (12) situé du côté opposé au feu.
  10. Dispositif selon la revendication 9, caractérisé en ce que le dispositif refroidisseur (12) comporte un matériau qui contient de l'eau chimiquement liée, qui est libérée en cas d'incendie, et s'évapore.
  11. Dispositif selon la revendication 8 ou 9, caractérisé en ce que le dispositif refroidisseur (12) est agencé à l'intérieur de la bande (7) circulant en boucle.
  12. Dispositif selon la revendication 10 ou 11, caractérisé en ce que l'eau libérée dans le dispositif refroidisseur et évaporée peut être acheminée à l'élément (7) résistant au feu à travers une tôle perforée (14).
  13. Dispositif selon l'une des revendications 10 à 12, caractérisé en ce que le matériau (5, 12) contenant de l'eau chimiquement liée est traversé de perforations (15) qui débouchent en direction de l'espace (13) entouré par la bande (7) circulant en boucle.
  14. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que l'élément (22) résistant au feu est constitué d'un tissu textile ou céramique.
  15. Dispositif selon la revendication 14, caractérisé en ce que le tissu textile ou céramique porte, du côté du feu, des cartouches protectrices (23) protégeant de l'effet du feu.
  16. Dispositif selon la revendication 15, caractérisé en ce que les cartouches protectrices (23) sont composées de corps de tôle remplis d'un produit isolant ou moussant sous l'effet de la chaleur.
  17. Dispositif selon l'une des revendications 14 à 16, caractérisé en ce que le tissu textile ou céramique de la bande (22) circulant en boucle porte, du côté opposé au côté du feu, un produit (24) moussant sous l'effet d'une chaleur relativement faible.
  18. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce qu'un dispositif d'alimentation est prévu, ouvrant automatiquement en cas d'incendie, acheminant du matériau isolant réfractaire fluide en vrac jusque dans l'espace (13) entouré par la bande (7, 22) circulant en boucle.
EP97250091A 1996-03-21 1997-03-20 Clapet coupe-feu Expired - Lifetime EP0796638B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19613006 1996-03-21
DE19613006A DE19613006C2 (de) 1996-03-21 1996-03-21 Vorrichtung zum feuerfesten Verschließen einer Öffnung

Publications (3)

Publication Number Publication Date
EP0796638A2 EP0796638A2 (fr) 1997-09-24
EP0796638A3 EP0796638A3 (fr) 1998-02-25
EP0796638B1 true EP0796638B1 (fr) 2001-09-19

Family

ID=7790153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97250091A Expired - Lifetime EP0796638B1 (fr) 1996-03-21 1997-03-20 Clapet coupe-feu

Country Status (6)

Country Link
EP (1) EP0796638B1 (fr)
AT (1) ATE205737T1 (fr)
DE (2) DE19613006C2 (fr)
DK (1) DK0796638T3 (fr)
ES (1) ES2164300T3 (fr)
PT (1) PT796638E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009039265A1 (de) 2009-08-28 2011-03-24 Bartholomäus, Gert Abschlussvorrichtung für Überströmöffnungen mit rollbarem Verschlusselement

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009048008A1 (de) * 2009-10-02 2011-04-07 Schulte & Todt Systemtechnik Gmbh & Co.Kg Vorrichtung zum Verschluss einer Öffnung in einer Wand oder Decke im Brandfall
DE102010014459A1 (de) 2010-04-09 2012-05-10 Stöbich Brandschutz GmbH Brand- oder Rauchschutzabdeckung für eine Öffnung
DE102011116281A1 (de) * 2011-10-19 2013-04-25 Stöbich Brandschutz GmbH Brand- oder Rauchschutzvorrichtung zum Verschließen einer Deckenöffnung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE101786C (fr) *
GB1449432A (en) * 1974-01-28 1976-09-15 Isobe M Equipment for preventing the spread of a fire
DE8313824U1 (de) * 1983-05-10 1983-11-10 Stöbich Brandschutz GmbH, 3380 Goslar Feuerabschluss fuer einen deckendurchbruch einer paternosterfoerderanlage
GB2269097B (en) * 1992-07-23 1996-05-01 Environmental Seals Ltd Improvements in or relating to fire barriers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009039265A1 (de) 2009-08-28 2011-03-24 Bartholomäus, Gert Abschlussvorrichtung für Überströmöffnungen mit rollbarem Verschlusselement
DE102009039265B4 (de) * 2009-08-28 2017-06-29 Gert Bartholomäus Abschlussvorrichtung für Überströmöffnungen mit rollbarem Verschlusselement

Also Published As

Publication number Publication date
EP0796638A3 (fr) 1998-02-25
DE19613006C2 (de) 2000-07-27
DK0796638T3 (da) 2002-01-14
ATE205737T1 (de) 2001-10-15
EP0796638A2 (fr) 1997-09-24
DE59704634D1 (de) 2001-10-25
DE19613006A1 (de) 1997-09-25
PT796638E (pt) 2002-03-28
ES2164300T3 (es) 2002-02-16

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