RU207840U1 - FIRE RESISTANT COMMUNICATION MODULE - Google Patents

Abstract

The utility model relates to fire fighting equipment, in particular to devices that provide fire localization and prevention of the possibility of fire spreading in communication tunnels, including cable lines, pipelines and sewer lines. The technical result is reduced dimensions, simplicity of the device and installation of a protective system for communications on based on it, the possibility of repair and access to communications, without the need to dismantle the system itself, rejection of the need to implement separate fire walls, the absence of the need to implement a separate retention system for the communications themselves. The specified technical result is achieved due to the fact that the declared fire-resistant module for communications, consisting of plates of fire-resistant material connected to each other on four sides, forming an internal opening for laying communications, and a fire-retardant material is placed in the gaps between the plates, characterized in that inside the plate formed by the There is a metal box, consisting of a tray and a cover, where the plates are connected to the elements of the metal box by fasteners, and a fire-retardant thermally expanding material is used as a fire-retardant material placed in the gaps between the plates, and the module is made with the possibility of separating one of the plates together with a part of the metal boxes. 10 p.p. f-ly, 6 dwg

Description

The utility model relates to fire fighting equipment, in particular to devices that provide fire localization and prevention of the possibility of fire spreading in communication tunnels, including cable lines, pipelines and sewer lines.

A device for preventing the spread of a fire through an electric cable is known, consisting of a fire barrier with a fire-preventing belt made of an asbestos cord and a sleeve with an explosive placed on the cable (SU 1540835 A, 02/07/1990).

It is also known a device for extinguishing burning electrical cables and wires in cable channels, tunnels, containing a fire retardant partition, on both sides of which there are fire protection belts made in the form of detachable cylindrical bushings placed on cables and filled with a fire extinguishing agent (SU 1613120 A, 15.12.1990 ).

A device is known for preventing the spread of a fire along an electric cable, made in the form of a fire bulkhead, consisting of two fireproof sheets, through the holes in which a supporting structure with bundles of cables with an intumescent fireproof coating applied to them passes, while the passage zone of the supporting structure with bundles of cables through the bulkhead openings are covered with heat-resistant sealing material (EP 0931568 A1, 30.12.1998).

A device is known for preventing the spread of a fire along an electric cable, containing a fire bulkhead installed in the opening of a fire wall, having cutouts for passing through it a metal supporting structure for cable bundles and made in the form of one layer or two layers of mineral fiber plates with a fire retardant coating applied to them , while the plates are installed inside the opening with a fire retardant coating outward (CH 670273 A5, 05/31/1989).

The closest analogue is a device for preventing the spread of fire through an electric cable (RU2186599, published: 08/10/2002), containing a fire bulkhead installed in the opening of a fire wall, having cutouts for a supporting structure for cable bundles to pass through it and made in the form of a single layer of highly compacted plates made of mineral fiber on a stone base, coated on both sides with a fire retardant coating, or in the form of two layers of highly compacted mineral fiber slabs on a stone base, coated on one side with a fire retardant coating and installed inside the opening with a fire retardant coating outward, with the opening and internal end surfaces the slabs are covered with fire retardant material, and mineral wool impregnated with fire retardant material is placed in the gaps between the slabs, the supporting structure and the cable bundles, and in addition, fire retardant putty is placed in the gaps, and the bulkhead on both sides is equipped with an additional a solid layer of fire retardant material.

The technical problem of the prototype and other known solutions is the need to make a fire wall and a plurality of layers of coatings from fire retardant materials.

It is also necessary to carry out a separate retention system of the supporting structure for the communications themselves.

In addition, the structures to be performed are formed individually for the required dimensions of the room, which limits their length and configuration by the spatial capabilities of the premises themselves.

Taken together, the known technical solutions provide structurally complex and spatially volumetric in the installation and material consumption of objects that cannot be serviced without dismantling them completely.

The task of the utility model is to create such a device to prevent the spread of fire through the communications installed inside it, which ensures the elimination of the above technical problems.

The technical result is a reduced size, simplicity of the device and installation of a protective system for communications based on it, the possibility of repair and access to communications, without the need to dismantle the system itself, the rejection of the need to implement separate fire walls, the absence of the need to implement a separate retention system for the communications themselves.

The specified technical result is achieved due to the fact that a fire-resistant module for communications is declared, consisting of plates of fire-resistant material connected to each other on four sides, forming an internal opening for laying communications, and a fire-retardant material is placed in the gaps between the plates, characterized in that inside of the opening formed by the plates, a metal box is placed, consisting of a tray and a cover, where the plates are connected to the elements of the metal box by fasteners, and a fire retardant thermally expanding material is used as a fire retardant material placed in the gaps between the plates, and the module is configured to separate one of the plates together with part of a metal box.

Preferably, the metal box consists of a tray and a cover made in the form of metal U-shaped profiles having locking units at the edges and connected to each other, each of the plates being connected to the metal box by fasteners.

Preferably, a thermally expanding tape, or a fire retardant paint or a fire retardant thermally expanding material based on a water-polymer dispersion with functional mineral and organic fillers, is used as a fire retardant thermally expanding material placed in the gaps between the plates.

Preferably, the metal box cover is smaller in area than the metal box tray.

Preferably, self-tapping screws are used as fasteners for the plates with the metal tray and lid.

Preferably, through holes are made in the metal tray and its cover for the places for fixing the plates with the metal box.

Preferably, the through holes in the tray are made at least four on the tray base, and at least one on each of the lateral sides.

Preferably, at least four through holes are provided in the cover.

Preferably, the side plates are connected to the plane of the upper and lower plates by their ends.

Preferably, the connection of the plates in the module is made through their fastening to the metal box so that the bottom and side plates are connected to the tray of the metal box, and the top plate is connected to the cover of the metal box, and the connection of these elements into a single module is made through the lock connection of the metal box.

It is possible that the module is made of two identical parts connected to each other.

Brief Description of Drawings

Figure 1 shows the structural arrangement of a fire-resistant communication module.

Figure 2 shows the principle of removing / installing the module cover on its lower part.

Figure 3 shows the structural arrangement of a metal tray with a lid.

Figure 4 shows an example of a suspension system for a fire retardant module.

Figure 5 shows an example of a series connection of several modules.

Figure 6 shows an example of a fire-resistant module for communications, consisting of identical halves (A - assembled view, B - disassembled view).

In the drawings: 1 - upper fire retardant plate, 2 - lower fire retardant plate, 3 - side fire retardant plate, 4 - metal tray, 5 - metal tray cover, 6 - flame retardant thermo-expanding material, 7 - freezing screws, 8 - metal tray lock assembly, 9 - cover lock assembly, 10 - holes for fixing to the fire protection plate, 11 - suspension system support, 12 - profile, 13 - nut.

Implementation of the utility model

The module for communications consists of four plates of fire-resistant material connected to each other, forming an inner opening for laying communications, and a fire-resistant material is placed in the gaps between the plates.

The novelty is that the plates are connected to the elements of the metal box by fasteners, and a fire-retardant thermally expanding material is used as a fire-retardant material placed in the gaps between the plates, and the module is configured to separate one of the plates together with a part of the metal box.

This can be implemented, for example, see Fig. 1, Fig. 2 inside the opening formed by plates 1, 2, 3, a metal box is placed, consisting of a tray 4 and a cover 5, made in the form of metal U-shaped profiles with locking units 8 and 9, respectively, at the edges and connected to each other. Each of the plates 1, 2, 3 is connected to the metal box with fasteners 7.

As a fire retardant thermally expanding material 6, placed in the gaps between the plates, one can use, for example, a thermally expanding tape, which can be used, for example: a thermally expanding tape "Doors" (see https://euroresurs.su/lenta-uplotnitelnaya -termorasshiryayushhayasya-evroresurs /), "OGNEZA-LTU" (see https://ogneza.com/ltu/) or Ograx L tape (see https://mtl-k.ru/shop/protivopozharnye-materialy/termouplotnitelnaja -protivopozharnaja-lenta / ograks-ltu-uplotnitelnaja-termorasshiryayushhayasya-lenta /) based on oxidized graphite

Or, as a fire retardant thermally expanding material 6, placed in the gaps between the plates, a fire retardant thermally expanding material based on a water-polymer dispersion with functional mineral and organic fillers can be used (see https://www.ograx.ru/products/ognezashchita-kabelej/ vv /).

Also, fire retardant paint can be used as a fire retardant material, which is used to increase the fire resistance of metal structures, for example, Phoenix STS paint (see https://www.tdd.ltd/ognezashhitnaja-kraska-feniks-sts). Fire retardant paint is an organic mixture with foaming components. In the event of a fire, it swells up, forming a fire-resistant thermal insulating layer.

It is more convenient when the cover of the metal box 5 is made smaller in area than the tray 4 of the metal box, since then it is easier to remove the cover.

As fasteners 7 plates 1, 2, 3 with a metal tray and a cover can be used, for example, self-tapping screws.

Through holes 10 can be made in advance in metal tray 4 and its cover 5 for places for fastening 7 plates 1, 2, 3 with a metal box (see Fig. 3) 10. Through holes 10 in tray 4 can be made four or more on the base of the tray, and at least one on each of its sides. And in the cover 5, at least four through holes can be made.

The side plates 3 can be connected to the plane of the upper 1 and lower 2 plates by their ends or in another way.

One possible example of connecting slabs into a module is shown below.

The module can be formed by connecting plates with a metal box so that the bottom 2 and side 3 plates are connected to the tray 4 of the metal box, and the top plate 1 is connected to the cover 5 of the metal box (see Fig. 1, Fig. 2), and the connection of these elements into a single module is made through the lock connection of the metal box, by joining the lock nodes 8 and 9. This greatly simplifies the process of opening / closing the module, since if you need to lay new communications or replace existing ones, it is enough to remove the cover 5 of the metal box together with the top plate 1, which fixed to it, carry out the necessary work and reinstall the cover. Such actions can be performed along the entire communication line from modules of the same type as in Fig. 5.

This example is not limited to this particular embodiment and can be implemented, for example, by creating a module in which both of its parts are the same (see Fig. 6), which facilitates the process of production and transportation of the module's components, but increases its material consumption due to increasing the number of side plates 3.

The utility model ensures the preservation of the operability of cable lines or other communications (for example, pipelines) in a fire.

The design of the module is such that due to the connection of plates 1, 2, 3 with a metal box, the latter performs the function of a supporting frame and gives the module spatial rigidity.

The modularity of the claimed design makes it possible to connect modules of the same type into a route of any length and configuration (see Fig. 5).

If it is necessary to lay a communications route above the ceiling to hold the modules, a suspension system can be used as in Fig. 4, in which the module is held by the supports 11 of the suspension system, which are fixed with nuts 13 to the profiles 12 holding the module.

In other cases, when the communications route is vertical (from floor to ceiling) or lies horizontally on the floor or other support, or is fixed to the wall, the suspension system is not required.

Due to the fact that the joints between plates 1 and 3, 2 and 3 are closed with fire-retardant thermo-expanding material 6, the design of the module excludes "wet" processes during installation (that is, no glue or sealant is needed), which allows you to remove and put on the cover an unlimited number of times as shown in Fig. 2. This circumstance makes it possible to repair and access communications, without the need to dismantle the system itself.

The role of the seal is performed by fire-retardant thermally expanding material 6.

The principle of operation of the fire retardant thermally expanding material 6 is as follows. At the time of a fire, under the influence of high temperatures (from 180 ° C), a fire-retardant material based on graphite, from which the fire-retardant material is made, whether it be heat-sealing tape or paint, begins to swell instantly, expanding tenfold and filling the gaps between the plates, thereby preventing penetration of fire and smoke into the module with communications. And fireproof plates take on the function of a heat insulator of a metal box. Thus, after a fire, the module completely retains the communication integrity and is in the same working condition, that is, you can remove the cover from it and replace the thermo-expanding tape or fire-retardant paint in it with a new one, after which the module can be further operated.

The fire-resistant module can be made with a width of 200 to 600 mm and sheathed with fire-resistant plates, for example, Tehstrong fire-resistant plates (TEHSTRONG) with a thickness of 25 to 50 mm (see http://www.ei150.ru/images/documents/katalog_tehstrong.pdf ). You can also use other fireproof plates, for example: Polimin, Isovent-P, Ognelit, ET Metal, Ecoplast, Phoenix PMO (see https://www.ognebio.ru/ognezashhitnye-materialy/plity/) or others.

Unlike a conventional fire-resistant box as in the known solutions, the fire-resistant plates in the claimed module are tightly adjacent to the metal box without voids. Thus, it is possible to achieve a greater thickness of the board and a better indicator of fire resistance with smaller dimensions of the product.

In general, from the above, it follows that the claimed module has reduced dimensions, simplicity of the device and installation of a protective system for communications based on it, does not require separate fire walls, does not require a separate retention system for the communications themselves, since the metal box performs these functions.

Claims (11)

1. Fire-resistant module for communications, consisting of plates of fire-resistant material connected to each other on four sides, forming an internal opening for laying communications, and a fire-retardant material is placed in the gaps between the plates, characterized in that a metal box is placed inside the opening formed by the plates. from a tray and a cover, where the plates are connected to the elements of the metal box by fasteners, and a fire-retardant thermally expanding material is used as a fire-retardant material placed in the gaps between the plates, and the module is made with the possibility of separating one of the plates together with a part of the metal box. 2. The module according to claim 1, characterized in that the metal box consists of a tray and a cover made in the form of metal U-shaped profiles having locking nodes at the edges and connected to each other, each of the plates being connected to the metal box by fasteners. 3. The module according to claim 1, characterized in that a thermally expanding tape, or a fire retardant paint or a fire retardant thermally expanding material based on a water-polymer dispersion with functional mineral and organic fillers is used as a fire-retardant thermally expanding material placed in the gaps between the plates. 4. The module according to claim 1, characterized in that the metal box cover is made in area less than the metal box tray. 5. The module according to claim 2, characterized in that self-tapping screws are used as fasteners for plates with a metal tray and a lid. 6. The module according to claim 2, characterized in that through holes are made in the metal tray and its cover for the places for fastening plates to the metal box. 7. The module according to claim 6, characterized in that there are at least four through holes in the tray on the tray base, and at least one on each of the lateral sides. 8. The module according to claim 6, characterized in that at least four through holes are made in the cover. 9. The module according to claim 1, characterized in that the side plates are connected to the plane of the upper and lower plates by their ends. 10. The module according to claim 1, characterized in that the connection of the plates in the module is made through their fastening to the metal box so that the bottom and side plates are connected to the tray of the metal box, and the top plate is connected to the cover of the metal box, and the connection of these elements in a single module is made through the lock connection of the metal box. 11. The module according to claim 1, characterized in that the module is made up of two identical parts connected to each other.

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