EP0593358B1 - Fire-damper enclosure, in particular for the valves of hydrocarbon containers - Google Patents
Fire-damper enclosure, in particular for the valves of hydrocarbon containers Download PDFInfo
- Publication number
- EP0593358B1 EP0593358B1 EP19930402519 EP93402519A EP0593358B1 EP 0593358 B1 EP0593358 B1 EP 0593358B1 EP 19930402519 EP19930402519 EP 19930402519 EP 93402519 A EP93402519 A EP 93402519A EP 0593358 B1 EP0593358 B1 EP 0593358B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fire
- protective casing
- box
- casing according
- proofing protective
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
Definitions
- the invention relates to fire protection boxes and in particular a fire protection or fire protection enclosure for sensitive devices on risk sites and in particular valves controlled remotely from hydrocarbon tanks.
- US-A-4 413 683 (HUNE) describes an insulating box in particular for a valve actuator with the characteristics according to the preamble of claim 1, formed of several removable compartments adapted to the various extensions of the protected object and directly supported by this last, being fixed to the support base of the valve actuator.
- the insulation is dependent on the protected object, which can itself be a source of fire.
- US-A-4,046,406 (PRESS) describes a device for isolating firewalls from shell-type valves assembled together and fixed to the valve.
- Such a device does not provide fire isolation independent of the protected object.
- the invention aims to remedy these drawbacks.
- a fire protection box for sensitive devices on risk sites, such as the valves of hydrocarbon tanks, comprising an insulating housing, preferably removable, shaped to enclose a sensitive device, for example a hydrocarbon tank valve with its actuation motor, characterized in that said housing is independent of the protected device and comprises a support device and protective end pieces adjoining the housing intended to protect it there are the input and output members (cables and pipes) of the device over a determined length.
- the support device can be constituted by a simple base of the housing.
- the housing advantageously comprises an internal tubular rigid frame around which fire-resistant insulating panels are fixed.
- the housing may include a double insulating wall, namely an internal insulating wall facing the device to be protected and an external wall, capable of being exposed to fire.
- the frame can be inserted between the space of the two walls.
- the walls consist of panels of insulating material (based on agglomerated mineral fibers) assembled by means of said frame. Their thickness is adjusted so that the temperature inside the housing is reduced to a maximum value determined after a period of exposure to fire, for example 85 ° C. maximum operating temperature of the valve actuator after one hour of exposure fire according to ISO R 834.
- This internal frame structure protects it from excessive heating and therefore from possible deformation.
- the frame can be made of a fire-resistant refractory material and therefore undeformable.
- the housing is advantageously made up of two parts fitted one on the other to enclose the device, the lower sealed forming a recovery tank for any leaking liquids and comprising a purge or drain element, and the other upper laid by interlocking its lower peripheral edge on the upper edge of the first, and with overlapping of an additional external insulating strip on the closure joint.
- Inspection hatches are provided, formed within the wall of the housing for access to the control or command members of the protected device.
- Air vents can be formed on the external wall of the double-walled panels, this in order to allow ventilation of the reinforcement and to improve the resistance over time of the materials.
- openings and openings of openings are completed with a seal of heat-expandable material sealing them at a certain temperature (180 ° C), level determining a probability of fire.
- the fire protection box shown in FIG. 1 is a rectangular monobloc rectangular box shaped directly around the object to be protected (hydrocarbon tank valve) not shown.
- the support frame 1 for the lateral insulating panels 3 of the box is first formed, formed from metallic tubular profiles 5 (visible in FIG. 2) and assembled together to form a rectangular parallelepiped.
- the insulating panels 3 suitably cut to size are then fixed to the frame by means of simple fixing screws mounted insulated. These panels have the thickness required to maintain the internal thermal insulation at a high level (fire break 1 hour) and resist fire.
- the temperature inside the box must be less than 85 ° C after 1 hour of exposure to fire according to the above-mentioned standard.
- the base 7 consists of four tubes 9 covered with insulating material, which have base legs 11 at their lower end and are assembled at the four corners of the box housing formed.
- the box is then supported independently of the protected object which is not shown and which is normally supported by the piping, in the case of valves. Only emerges from the box pipe elements 13 and electrical cables 15 protected by protective caps 17 fixed on the box and of a sufficient length provided (1 m in general) to protect from possible heat conduction by the cables and pipes themselves same.
- Inspection hatches 19 are formed on certain panels at the appropriate places for access to the control or object inspection members (handwheel, pressure gauges, etc.).
- the assembly can be dressed with a corner reinforcement angle 21 made of fire-resistant material (refractory steel).
- FIG. 2 shows an alternative embodiment of a removable box in two parts according to the invention.
- the box is also a rectangular parallelepiped, but other shapes can be envisaged, adapted to the shape of the protected object.
- the box is made up of two complementary rectangular parallelepiped housing parts, upper 23 and lower 25, assembled to one another.
- the upper housing part 23 is placed on the lower housing part 25.
- Each of the housing parts has an internal tubular frame 1 (similar to the box in FIG. 1) with a rectangular parallelepiped shape to which two fire-resistant insulating panels 3 are fixed. , joined and to the required thickness.
- the housing parts are assembled as shown in the figure by fitting the associated reinforcement parts, the pointed end 27 of the reinforcement tubes at the four corners of the upper housing part coming into complementary holes 29 in the reinforcement of the lower housing part, and by interlocking the edges 31 with staircase section of the housing parts.
- An insulating strip 33 covers the closure joint 35 over the entire periphery of the box.
- the closing joint is completed with a rod of heat-expandable material 37 which obtains it as soon as the surrounding temperature reaches a certain level, around 180 ° C.
- the invention is not limited to the embodiments described. Variant embodiments can be considered, as for the geometry of the box, the number of parts composing it, the arrangement of the insulation panels (single, attached or double wall, the possibility of including the reinforcement in the space between the double panels wall, the possibility of adapting ventilation openings on the external panel etc.
Description
L'invention concerne les caissons de protection anti-feu et en particulier une enceinte de protection anti-feu ou coupe-feu pour des dispositifs sensibles sur des sites à risques et notamment les vannes commandées à distance des réservoirs d'hydrocarbures.The invention relates to fire protection boxes and in particular a fire protection or fire protection enclosure for sensitive devices on risk sites and in particular valves controlled remotely from hydrocarbon tanks.
On sait que en cas d'incendie sur un site de réservoirs d'hydrocarbures, il est absolument nécessaire de préserver le fonctionnement des vannes de transfert d'un réservoir à un autre, afin de prévenir la contagion du feu et par conséquent il est d'une grande importance de pouvoir disposer de caissons ou enceintes anti-feu protégeant lesdites vannes avec leur groupe de motorisation afin de maintenir leur fonctionnement.We know that in the event of a fire on a site of hydrocarbon tanks, it is absolutely necessary to preserve the functioning of the transfer valves from one tank to another, in order to prevent the contagion of fire and therefore it is d 'It is very important to be able to have fire-resistant boxes or enclosures protecting said valves with their motorization group in order to maintain their operation.
US-A-4 413 683 (HUNE) décrit un caisson isolant notamment pour un actionneur de vannes avec les caractéristiques selon le préambule de la revendication 1, formé de plusieurs compartiments démontables adaptés aux diverses extensions de l'objet protégé et supporté directement par ce dernier, étant fixé au piètement support de l'actionneur de vannes. US-A-4 413 683 (HUNE) describes an insulating box in particular for a valve actuator with the characteristics according to the preamble of claim 1, formed of several removable compartments adapted to the various extensions of the protected object and directly supported by this last, being fixed to the support base of the valve actuator.
Cependant, l'isolation est dépendante de l'objet protégé, qui peut être lui-même source de feu.However, the insulation is dependent on the protected object, which can itself be a source of fire.
De même, US-A-4 046 406 (PRESS) décrit un dispositif d'isolation pare-feu de vannes de type à coquilles assemblées l'une à l'autre et fixé à la vanne.Likewise, US-A-4,046,406 (PRESS) describes a device for isolating firewalls from shell-type valves assembled together and fixed to the valve.
Un tel dispositif n'apporte pas une isolation au feu indépendante de l'objet protégé. L'invention vise à remédier à ces inconvénients.Such a device does not provide fire isolation independent of the protected object. The invention aims to remedy these drawbacks.
Il est proposé selon l'invention un caisson de protection anti-feu pour des dispositifs sensibles sur les sites à risques, tels que les vannes des réservoirs d'hydrocarbures, comprenant un boîtier isolant, de préférence démontable, conformé pour enfermer un dispositif sensible, par exemple une vanne de réservoir d'hydrocarbures avec sa motorisation d'actionnement, caractérisé en ce que ledit boîtier est indépendant du dispositif protégé et comprend un dispositif support et des embouts de protection attenants au boîtier prévus pour protéger s'il y a lieu les organes d'entrée et sortie (câbles et tuyauteries) du dispositif sur une longueur déterminée.A fire protection box is proposed according to the invention for sensitive devices on risk sites, such as the valves of hydrocarbon tanks, comprising an insulating housing, preferably removable, shaped to enclose a sensitive device, for example a hydrocarbon tank valve with its actuation motor, characterized in that said housing is independent of the protected device and comprises a support device and protective end pieces adjoining the housing intended to protect it there are the input and output members (cables and pipes) of the device over a determined length.
Le dispositif support peut être constitué par un simple piètement du boîtier.The support device can be constituted by a simple base of the housing.
Le boîtier comporte avantageusement une armature rigide tubulaire interne autour de laquelle sont fixées des panneaux isolants coupe-feu. Le boîtier peut comporter une double paroi isolante, à savoir une paroi isolante interne tournée vers le dispositif à protéger et une paroi externe, susceptible d'être exposée au feu. L'armature peut être insérée entre l'espace des deux parois. Les parois consistent en des panneaux de matière isolante (à base de fibres minérales agglomérées) assemblés par l'intermédiaire de ladite armature. Leur épaisseur est ajustée pour que la température à l'intérieur du boîtier soit réduite à une valeur maximale déterminée après une durée d'exposition au feu, par exemple 85°C température maximale de fonctionnement de la motorisation de vanne après une heure d'exposition au feu selon la norme ISO R 834.The housing advantageously comprises an internal tubular rigid frame around which fire-resistant insulating panels are fixed. The housing may include a double insulating wall, namely an internal insulating wall facing the device to be protected and an external wall, capable of being exposed to fire. The frame can be inserted between the space of the two walls. The walls consist of panels of insulating material (based on agglomerated mineral fibers) assembled by means of said frame. Their thickness is adjusted so that the temperature inside the housing is reduced to a maximum value determined after a period of exposure to fire, for example 85 ° C. maximum operating temperature of the valve actuator after one hour of exposure fire according to ISO R 834.
Cette structure à armature interne la protège d'un échauffement excessif et donc d'une éventuelle déformation.This internal frame structure protects it from excessive heating and therefore from possible deformation.
Eventuellement, l'armature peut être en matériau réfractaire résistant au feu et donc indéformable.Optionally, the frame can be made of a fire-resistant refractory material and therefore undeformable.
Le boîtier est avantageusement constitué en deux parties emboîtées l'une sur l'autre pour enfermer le dispositif, l'une inférieure étanche formant bac de récupération des éventuels liquides de fuite et comportant un élément de purge ou de vidange, et l'autre supérieure posée par emboîtement de son bord périphérique inférieur sur le bord supérieur de la première, et avec recouvrement d'une bande isolante supplémentaire externe sur le joint de fermeture.The housing is advantageously made up of two parts fitted one on the other to enclose the device, the lower sealed forming a recovery tank for any leaking liquids and comprising a purge or drain element, and the other upper laid by interlocking its lower peripheral edge on the upper edge of the first, and with overlapping of an additional external insulating strip on the closure joint.
Des trappes de visite sont prévues, formées au sein de la paroi du boîtier pour l'accès aux organes de contrôle ou de commande du dispositif protégé.Inspection hatches are provided, formed within the wall of the housing for access to the control or command members of the protected device.
Des ouïes d'aération peuvent être formées sur la paroi externe des panneaux à double paroi, ceci afin de permettre la ventilation de l'armature et d'améliorer la tenue dans le temps des matériaux.Air vents can be formed on the external wall of the double-walled panels, this in order to allow ventilation of the reinforcement and to improve the resistance over time of the materials.
Toutes les ouvertures et joints d'ouvertures (d'ouïes d'aération, de trappes et d'ouverture du boîtier) sont complétés d'un joint de matière thermoexpansible les obturant à une certaine température (180°C), niveau déterminant une probabilité de feu.All openings and openings of openings (air vents, hatches and opening of the housing) are completed with a seal of heat-expandable material sealing them at a certain temperature (180 ° C), level determining a probability of fire.
L'invention est illustrée ci-après à l'aide d'un exemple de réalisation et en référence aux dessins annexés sur lesquels :
- La figure 1 est une vue en perspective d'un caisson coupe-feu selon l'invention, et
- La figure 2 est une coupe verticale d'un caisson constitué en deux parties de boîtier selon l'invention.
- FIG. 1 is a perspective view of a fire barrier according to the invention, and
- Figure 2 is a vertical section of a box consisting of two housing parts according to the invention.
Le caisson coupe-feu représenté à la figure 1 est un caisson monobloc parallélépipédique rectangle façonné directement autour de l'objet à protéger (vanne de réservoir d'hydrocarbures) non représenté. Ainsi, on forme d'abord l'armature 1 de support des panneaux isolants latéraux 3 du caisson constituée à partir de profilés tubulaires métalliques 5 (visibles à la figure 2) et assemblés l'un à l'autre pour constituer un parallélépipède rectangle. Les panneaux isolants 3 convenablement découpés à dimension sont ensuite fixés sur l'armature au moyen de simples vis de fixation montées isolées. Ces panneaux ont l'épaisseur requise pour maintenir l'isolation thermique interne à un haut niveau (coupe feu 1 heure) et résister au feu. La température à l'intérieur du caisson doit être inférieure à 85°C après 1 heure d'exposition au feu selon la norme précitée. Le piètement 7 est constitué de quatre tubes 9 recouverts de matière isolante, lesquels comportent des pieds de base 11 à leur extrémité inférieure et sont assemblés aux quatre coins du boîtier de caisson constitué. Le caisson est alors supporté de façon indépendante de l'objet protégé non représenté et qui l'est normalement par la tuyauterie, dans le cas de vannes. Seul débouche du caisson les éléments de canalisation 13 et de câbles électriques 15 protégés par des embouts de protection 17 fixés sur le caisson et d'une longueur prévue suffisante (1 m en général) pour protéger d'une éventuelle conduction de la chaleur par les câbles et tuyaux eux-mêmes. Des trappes de visite 19 sont formées sur certains panneaux aux endroits appropriés pour l'accès aux organes de commande ou de visite de l'objet (volant de manoeuvre, manomètres...).The fire protection box shown in FIG. 1 is a rectangular monobloc rectangular box shaped directly around the object to be protected (hydrocarbon tank valve) not shown. Thus, the support frame 1 for the lateral
Enfin, l'ensemble peut être habillé d'une cornière de renfort d'angle 21 en matériau résistant au feu (acier réfractaire).Finally, the assembly can be dressed with a
La figure 2 montre une variante de réalisation d'un caisson démontable en deux parties selon l'invention. Le caisson est également parallélépipédique rectangle mais d'autres formes peuvent être envisagées, adaptées à la forme de l'objet protégé. Le caisson est constitué de deux parties de boîtier parallélépipédiques rectangles complémentaires, supérieure 23 et inférieure 25, assemblées l'une à l'autre. La partie de boîtier supérieure 23 est posée sur la partie de boîtier inférieure 25. Chacune des parties de boîtier comporte une armature tubulaire interne 1 (analogue au caisson de la figure 1) à forme parallélépipédique rectangle auxquels sont fixés deux panneaux isolants coupe-feu 3, accolés et à l'épaisseur requise. Les parties de boîtier sont assemblées comme le montre la figure par emboîtement des parties d'armature associées, l'extrémité en pointe 27 des tubes d'armature aux quatre coins de la partie supérieure de boîtier venant dans des trous complémentaires 29 de l'armature de la partie de boîtier inférieure, et par emboîtement des bords 31 à section à marche d'escalier des parties de boîtier. Une bande isolante 33 recouvre le joint de fermeture 35 sur toute la périphérie du caisson. Le joint de fermeture est complété d'un jonc de matériau thermoexpansible 37 l'obturant dès que la température environnante atteint un certain niveau, environ 180°C.Figure 2 shows an alternative embodiment of a removable box in two parts according to the invention. The box is also a rectangular parallelepiped, but other shapes can be envisaged, adapted to the shape of the protected object. The box is made up of two complementary rectangular parallelepiped housing parts, upper 23 and lower 25, assembled to one another. The
L'invention n'est pas limitée aux exemples de réalisation décrits. Des variantes de réalisation peuvent être envisagées, quant à la géométrie du caisson, le nombre de parties le composant, la disposition des panneaux d'isolation (simples, accolés ou à double paroi, la possibilité d'inclure l'armature dans l'espace entre les panneaux à double paroi, la possibilité d'adapter des ouïes d'aération sur le panneau externe etc.The invention is not limited to the embodiments described. Variant embodiments can be considered, as for the geometry of the box, the number of parts composing it, the arrangement of the insulation panels (single, attached or double wall, the possibility of including the reinforcement in the space between the double panels wall, the possibility of adapting ventilation openings on the external panel etc.
Claims (10)
- A fire-proofing protective casing for sensitive devices on dangerous sites, such as hydrocarbon tank valves, comprising a disassemblable, preferably insulating box adapted to house a sensitive device, for example a hydrocarbon tank valve with its actuating motorisation, characterised in that said box is independent of the protected device and comprises a supporting device (7) and protective joining pieces (17) adjoining the box and provided for protection if necessary of the inlet and outlet members (cables and pipework) of the device over a set length.
- A fire-proofing protective casing according to claim 1, characterised in that the supporting device consists of a box underframe (7).
- A fire-proofing protective casing according to either one of claims 1 and 2, characterised in that it comprises at least two box parts, a lower box part (25) and an upper box part (23), positioned one on top of the other by interlocking of their edges (31), the closing joint (35) being covered by an outer insulating strip (33) and completed by a washer of heat-expandable material (37) sealing it up to a predetermined temperature (180°C).
- A fire-proofing protective casing according to any one of the preceding claims, characterised in that it comprises a rigid internal reinforcement (1) around which are fixed fire-retarding insulating panels (3) provided to maintain a set temperature (85°C) after a set period of exposure to fire.
- A fire-proofing protective casing according to claim 4, characterised in that the insulating panels (3) are double-walled, the reinforcement (1) being capable of insertion between the internal and external insulating panels.
- A fire-proofing protective casing according to claim 3, characterised in that the lower box part (25) is tight and is provided with a drain or evacuation element for possible leakage liquids.
- A fire-proofing protective casing according to any one of the preceding claims, characterised in that it comprises inspection doors (19) for access to members controlling or actuating the protected object.
- A fire-proofing protective casing according to claim 5, characterised in that it comprises ventilation louvres on the outer wall.
- A fire-proofing protective casing according to any one of the preceding claims, characterised in that all the openings (ventilation louvres, doors, box parts) are provided with a seal of heat-expandable material sealing them up to a set temperature.
- A fire-proofing protective casing according to claim 3, characterised in that the edges (31) of the box parts have a stepped cross section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9212399A FR2696940B1 (en) | 1992-10-16 | 1992-10-16 | Fire protection enclosure, in particular for the valves of hydrocarbon tanks. |
| FR9212399 | 1992-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0593358A1 EP0593358A1 (en) | 1994-04-20 |
| EP0593358B1 true EP0593358B1 (en) | 1997-05-21 |
Family
ID=9434605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19930402519 Expired - Lifetime EP0593358B1 (en) | 1992-10-16 | 1993-10-13 | Fire-damper enclosure, in particular for the valves of hydrocarbon containers |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0593358B1 (en) |
| DE (1) | DE69310862D1 (en) |
| FR (1) | FR2696940B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2721680B1 (en) * | 1994-06-28 | 1996-09-13 | Udd Fim | Equipment thermal protection box. |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889738A (en) * | 1973-12-17 | 1975-06-17 | John R Murphy | Fireplace extinguisher |
| US4046406A (en) * | 1975-05-15 | 1977-09-06 | Resistoflex Corporation | Fire-safe jacket for fluid piping components |
| US4389947A (en) * | 1976-06-24 | 1983-06-28 | The United States Of America As Represented By The Secretary Of The Army | Blast suppressive shielding |
| US4286708A (en) * | 1979-08-21 | 1981-09-01 | The United States Of America As Represented By The Secretary Of The Navy | Module to prevent sympathetic detonations in munitions |
| US4413683A (en) * | 1980-10-20 | 1983-11-08 | Thermal Designs, Inc. | Fireproof enclosure for valve actuator |
| US4440296A (en) * | 1982-12-06 | 1984-04-03 | The United States Of America As Represented By The Secretary Of The Army | Anti-propagation explosive packaging |
| US4987958A (en) * | 1989-08-07 | 1991-01-29 | Fierbaugh Charles A | Chimney fire extinguishing apparatus |
-
1992
- 1992-10-16 FR FR9212399A patent/FR2696940B1/en not_active Expired - Fee Related
-
1993
- 1993-10-13 EP EP19930402519 patent/EP0593358B1/en not_active Expired - Lifetime
- 1993-10-13 DE DE69310862T patent/DE69310862D1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69310862D1 (en) | 1997-06-26 |
| FR2696940A1 (en) | 1994-04-22 |
| FR2696940B1 (en) | 1995-01-13 |
| EP0593358A1 (en) | 1994-04-20 |
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