CN216885513U

CN216885513U - Multilayer fireproof plate for steel structure fire prevention

Info

Publication number: CN216885513U
Application number: CN202220404267.7U
Authority: CN
Inventors: 马瑜琦; 李二鹤; 马海群
Original assignee: Huachuang Architectural Design Co ltd
Current assignee: Huachuang Architectural Design Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-07-05
Anticipated expiration: 2032-02-25

Abstract

The utility model belongs to the technical field of the fire-retardant technique of steel construction and specifically relates to a multilayer PLASTIC LAMINATED is used in steel construction fire prevention, including being used for setting up inlayer on the steel construction in proper order, having the inferior middle level that hinders the heat effect, having the middle level that insulates against heat and having the reflection heat radiation effect skin, the middle level is basalt fiber board or calcium silicate fiber board, inferior middle level is glass fiber board or cement board. The application of the multilayer fireproof plate is 20-30mm in thickness, the burning resistant time is 2.5h, and the deformation degree of a steel structure is convenient to reduce.

Description

Multilayer fireproof plate for steel structure fire prevention

Technical Field

The application relates to the technical field of steel structure flame retardance, in particular to a multi-layer fireproof plate for steel structure fire prevention.

Background

Steel structures are structures composed of steel materials and are one of the main building structure types. The steel structure mainly comprises structural steel, steel columns and other members made of section steel, steel plates and the like.

The existing steel structure is poor in heat insulation performance and fire resistance, is easy to deform in a high-temperature environment, particularly in a fire environment, and improves the fire resistance of the steel structure.

SUMMERY OF THE UTILITY MODEL

In order to reduce the deformation degree that is heated of steel construction, this application provides a multilayer PLASTIC LAMINATED is used in steel construction fire prevention.

The application provides a pair of multilayer PLASTIC LAMINATED for steel construction is fire-proof adopts following technical scheme:

a multi-layer fireproof plate for steel structure fire prevention comprises an inner layer, a secondary middle layer, a middle layer and an outer layer, wherein the inner layer, the secondary middle layer, the middle layer and the outer layer are sequentially arranged on a steel structure, the secondary middle layer has a heat insulation effect, the outer layer has a heat radiation reflection effect, the middle layer is a basalt fiber board or a calcium silicate fiber board, and the secondary middle layer is a glass fiber board or a cement board.

Through adopting above-mentioned technical scheme, the PLASTIC LAMINATED is installed on the steel construction, and the PLASTIC LAMINATED on the steel construction is multilayer structure, and the skin has the reflection heat radiation effect to be convenient for reduce and to middle level heat, the middle level has thermal-insulated effect, and inferior middle level has the effect of hindering heat, thereby reduces the transmission of a large amount of heats that the conflagration produced, thereby further reduces the influence of the heat that the conflagration produced to the steel construction.

Preferably, the outer layer is provided with a placing groove, the placing groove is arranged along the horizontal direction of the outer layer, the outer layer is provided with a filling plate matched with the placing groove, and the filling plate has fireproof and heat-insulating effects.

Through adopting above-mentioned technical scheme, the infill panel has the thermal-insulated effect of fire prevention, and the infill panel is worn to establish in outer standing groove, and then places in outer inside to further reduce heat transmission, simultaneously, the thermal-insulated effect of infill panel is convenient for further reduce and is passed to middle level, inferior mid-level heat, thereby further reduces the influence of conflagration to the steel construction.

Preferably, reinforcing plates fixed on the outer layer are arranged in the placing groove, the reinforcing plates are arranged in pairs, the filling plate is located between the two reinforcing plates, and the two reinforcing plates are used for clamping the filling plate.

Through adopting above-mentioned technical scheme, the setting of reinforcing plate is convenient for strengthen the installation intensity of infill panel on the skin, and the infill panel setting is between two reinforcing plates, and the infill panel is under the elastic action of reinforcing plate, and is connected more stably with the skin to be convenient for further reduce the influence of conflagration to the steel construction.

Preferably, a sliding groove is formed in the outer layer, and a sliding block matched with the sliding groove is fixedly arranged on the filling plate.

Through adopting above-mentioned technical scheme, because the setting of reinforcing plate, the packing plate installation time is longer on outer, the setting of sliding block is convenient for drive packing plate slidable mounting in outer in situ to be convenient for improve the installation rate of packing plate on outer.

Preferably, the sliding blocks set up to two sets of, two sets of sliding block symmetric distribution is in filling plate along direction of height's both sides, every group the sliding block includes the sliding block of a plurality of intervals settings.

Through adopting above-mentioned technical scheme, two sets of sliding blocks distribute in the both sides of filling the board, and every group sliding block includes a plurality of sliding blocks simultaneously to be convenient for further improve the installation rate of filling the board on the outer layer.

Preferably, the filling plates are arranged in a plurality of groups at intervals along the height direction of the outer layer, and the filling plates correspond to the placing grooves.

Through adopting above-mentioned technical scheme, the infill panel sets up to a plurality ofly, is convenient for improve outer reflection heat radiation effect to the conflagration, simultaneously, is convenient for further reduce the outer heat that reaches middle level, inferior middle level to be convenient for further reduce the influence of conflagration to the steel construction.

Preferably, the outer layer is detachably connected with the middle layer, an inserting block is arranged on the outer layer, an inserting groove matched with the inserting block is formed in the middle layer, and the inserting block has a heat insulation effect.

Through adopting above-mentioned technical scheme, the skin is pegged graft on the middle level, and it is convenient to peg graft, and installation time is short, and the grafting piece has thermal-insulated effect to improve medial thermal-insulated effect, and then reduce and pass to inferior medial heat, thereby be convenient for further reduce and pass to the steel construction heat, reduce the influence of conflagration to the steel construction.

Preferably, the middle layer is in sliding connection with the secondary middle layer, a sliding block is fixedly arranged on the middle layer, a sliding groove with the sliding block matched with each other is formed in the secondary middle layer, and the sliding block is made of basalt fiber materials.

By adopting the technical scheme, the middle layer is slidably mounted on the secondary middle layer under the action of the sliding block, so that the mounting time of the middle layer on the secondary middle layer is reduced, the sliding block is made of basalt fiber materials, and the basalt fiber materials have a heat insulation effect, so that the heat transferred to the inner layer is further reduced, and the influence of fire on a steel structure is reduced.

Preferably, a bonding layer is arranged between the secondary middle layer and the inner layer and used for connecting the inner layer and the secondary middle layer.

Through adopting above-mentioned technical scheme, the setting of tie coat is used for connecting inlayer, time middle level, and simple to operate is stable.

Preferably, the thickness of the middle layer is 10 mm.

Through adopting above-mentioned technical scheme, the middle level has thermal-insulated effect, is convenient for reduce the heat that the conflagration produced and passes to the steel construction, and then reduces the influence of conflagration to the steel construction.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is a top view of a layer in an embodiment of the present application.

Description of reference numerals: 1. A fire retardant panel body; 2. an outer layer; 21. a placement groove; 22. a infill panel; 23. a reinforcing plate; 24. a slider; 25. a sliding groove; 26. an insertion block; 3. a middle layer; 31. inserting grooves; 32. a slider; 4. a secondary middle layer; 41. a chute; 5. an inner layer; 6. a bonding layer; 7. a reinforcement; 71. a horizontal portion; 72. a vertical portion; 73. a clamping groove; 74. a sliding part.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses multilayer PLASTIC LAMINATED is used in steel construction fire prevention.

Referring to fig. 1, a multilayer PLASTIC LAMINATED is used in steel construction fire prevention, including being used for setting up the PLASTIC LAMINATED body 1 on the steel construction, the steel construction of this embodiment is the steel sheet, and the PLASTIC LAMINATED body 1 sets gradually inlayer 5, time middle level 4, middle level 3, outer 2, and outer 2 is used for the reflection heat radiation, and middle level 3 is used for thermal-insulated, and time middle level 4 is used for preventing heat transfer, and inlayer 5 passes through the fire prevention glue bonding on the steel construction. When catching fire, the outer 2 reflection heat radiation of PLASTIC LAMINATED body 1, middle level 3 insulates against heat, and inferior middle level 4 prevents heat transfer to inlayer 5 in, and then improves the guard action of PLASTIC LAMINATED body 1 to the steel construction, reduces the deformation degree of steel construction.

Referring to fig. 1, the fireproof plate body 1 is rectangular, the thickness of the fireproof plate body 1 is 20-30mm, the thickness of the fireproof plate body 1 in the embodiment is 20mm, and the burning resistant time is 2.5h, wherein the thickness of the outer layer 2 is 4mm, the outer layer 2 is made of 304 stainless steel, the thickness of the middle layer 3 is 10mm, the middle layer 3 is a basalt fiber board or a calcium silicate fiber board, the middle layer 3 in the embodiment is made of basalt fiber, the thickness of the sub-middle layer 4 is 3mm, the sub-middle layer 4 is a glass fiber board or a cement board, the middle layer 4 in the embodiment is a glass fiber board, the thickness of the inner layer 5 is 3mm, and the inner layer 5 is a cement board.

Referring to fig. 1, a placing groove 21 is formed in an outer layer 2, the placing groove 21 completely penetrates in one direction on a horizontal plane of the outer layer 2, the penetrating direction of the placing groove 21 is defined as the width direction of the outer layer 2, the height of the placing groove 21 is 1mm, the center of the horizontal plane of the outer layer 2 and the center of the horizontal plane of the placing groove 21 are located on the same vertical line, a filling plate 22 is arranged in the placing groove 21, the height of the filling plate 22 is the same as that of the placing groove 21, the filling plate 22 is clamped in the placing groove 21, the filling plate 22 has the functions of fire prevention and heat insulation, the filling plate 22 is made of fire prevention and heat insulation materials, the heat insulation materials of the embodiment are basalt fibers, in order to improve the installation stability of the filling plate 22 in the placing groove 21, a reinforcing plate 23 is arranged in the placing groove 21, one side of the reinforcing plate 23 is bonded with the side surface of the placing groove 21, and the height of the reinforcing plate 23 is the same as that of the placing groove 21, reinforcing plate 23 is ceramic fiber board, reinforcing plate 23 sets up to two, packing plate 22 sets up between two reinforcing plates 23, two reinforcing plates 23 are fixed packing plate 22 in outer 2 standing groove 21, reinforcing plate 23 distributes in packing plate 22's both sides, reinforcing plate 23 is fixed in standing groove 21's both sides, after packing plate 22 slided into standing groove 21, reinforcing plate 23 kick-backs, thereby fix packing plate 22 in standing groove 21, packing plate 22 sets up to a plurality ofly, a plurality of packing plate 22 are arranged along outer 2 even intervals of direction of height, the interval between two adjacent packing plate 22 is 0.5mm, this embodiment packing plate 22 sets up to two.

Referring to fig. 1, in order to facilitate the stable installation of packing plate 22 in placing groove 21, placing groove 21 has seted up the sliding tray 25 with placing groove 21 intercommunication along outer 2 direction of height's both sides, sliding tray 25 runs through along outer 2 width direction, fixed being provided with on packing plate 22 with sliding tray 25 sliding block 24 of mutually supporting, this embodiment sliding block 24's cross section is the triangle-shaped, sliding block 24 arranges along outer 2 direction of length, sliding block 24's height is 0.1mm, sliding block 24 is made by basalt fiber material.

Referring to fig. 1 and 2, an inserting block 26 is arranged on one side of the outer layer 2 close to the inner layer 5, the height of the inserting block 26 is 3mm, the inserting block 26 is bonded with the lower surface of the outer layer 2, the inserting block 26 has a heat insulation effect, the inserting block 26 is made of bauxite material, a layer of fire-proof glue is coated outside the inserting block 26, the fire-proof glue is made of polymeric silicon in the embodiment, the inserting effect between the inserting block 26 and the middle layer is further increased, an inserting groove 31 matched with the inserting block 26 is formed in the middle layer 3, the inserting block 26 is provided in a plurality, the inserting blocks 26 are distributed on the middle layer 3 at intervals, and the inserting blocks 26 are distributed on the middle layer 3 at intervals.

Referring to fig. 1, one side of the middle layer 3, which is close to the secondary middle layer 4, is provided with a plurality of sliders 32, the sliders 32 are uniformly arranged along the length direction of the middle layer 3 at intervals, the secondary middle layer 4 is provided with a sliding chute 41 which is matched with the sliders 32, the longitudinal section of each slider 32 is in an isosceles trapezoid shape, and each slider 32 is made of basalt fiber materials.

Referring to fig. 1, an adhesive layer 6 is disposed between the sub-middle layer 4 and the inner layer 5, the adhesive layer 6 is made of an adhesive, the adhesive is water glass in this embodiment, the adhesive layer 6 is used for connecting the sub-middle layer 4 and the inner layer 5, and the cross section of the adhesive layer 6 is identical to that of the sub-middle layer 4 and the inner layer 5.

Referring to fig. 1, in order to improve the connection strength between each layer of the fire protection plate body 1, the fire protection plate body 1 is provided with the reinforcing members 7 along the both sides of width direction, the reinforcing members 7 are glass fiber plates, the reinforcing members 7 are U-shaped plates with openings facing the fire protection plate body 1, the reinforcing members 7 include a vertical portion 72 and two horizontal portions 71, the outer layer 2, the end portions of the inner layer 5 along the both sides of width direction are provided with the clamping grooves 73 mutually matched with the horizontal portions 71, the horizontal portions 71 are provided with the sliding portions 74 along one side of vertical direction, the sliding portions 74 located above are connected with the outer layer 2 in a sliding manner, the sliding portions 74 located below are connected with the inner layer 5 in a sliding manner, the sliding portions 74 are arranged along the inner layer 5 and the length direction of the outer layer 2, and the reinforcing members 7 are clamped on the fire protection plate body 1 in a sliding manner.

The embodiment of the application provides a steel construction is multilayer PLASTIC LAMINATED for fire prevention's implementation principle does: insert into middle level 3 with outer 2 in, then with middle level 3 slidable mounting to secondary middle level 4 on, later with secondary middle level 4 bonding on inlayer 5, with reinforcement 7 slidable bonding in the side of PLASTIC LAMINATED body 1, and then bond inlayer 5 on the steel construction, protect the steel construction.

When the conflagration condition takes place, the outer 2 reflection heat radiation of PLASTIC LAMINATED body 1, the isolated heat of middle level 3, time middle level 4 reduce the heat and spread into inlayer 5 into, and then reduce the condition that steel construction temperature risees and appear, and the fire-resistant time is 2.5 h.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a steel construction is multilayer PLASTIC LAMINATED for fire prevention which characterized in that: the heat insulation plate comprises an inner layer (5) arranged on a steel structure, a secondary middle layer (4) with a heat insulation effect, a middle layer (3) with a heat insulation effect and an outer layer (2) with a heat reflection effect, wherein the middle layer (3) is a basalt fiber board or a calcium silicate fiber board, and the secondary middle layer (4) is a glass fiber board or a cement board.

2. The multi-layer fire protection plate for fire protection of a steel structure according to claim 1, wherein: the fireproof heat insulation board is characterized in that a placing groove (21) is formed in the outer layer (2), the placing groove (21) is arranged in the horizontal direction of the outer layer (2), a filling board (22) matched with the placing groove (21) is arranged on the outer layer (2), and the filling board (22) has fireproof heat insulation effects.

3. The multi-layer fire protection plate for fire protection of a steel structure according to claim 2, wherein: reinforcing plates (23) fixed on the outer layer (2) are arranged in the placing groove (21), the reinforcing plates (23) are arranged in pairs, the filling plates (22) are located between the two reinforcing plates (23), and the two reinforcing plates (23) are used for clamping the filling plates (22).

4. The multi-layer fire protection plate for fire protection of a steel structure according to claim 3, wherein: a sliding groove (25) is formed in the outer layer (2), and a sliding block (24) matched with the sliding groove (25) is fixedly arranged on the filling plate (22).

5. The multi-layer fire protection plate for fire protection of a steel structure according to claim 4, wherein: sliding block (24) set up to two sets ofly, two sets of sliding block (24) symmetric distribution is in filling board (22) along the both sides of direction of height, every group sliding block (24) include sliding block (24) that a plurality of intervals set up.

6. The multi-layer fire protection plate for fire protection of a steel structure according to claim 5, wherein: the filling plates (22) are arranged in a plurality of groups at intervals along the height direction of the outer layer (2), and the filling plates (22) correspond to the placing grooves (21).

7. The multi-layer fire protection plate for fire protection of a steel structure according to claim 6, wherein: the outer layer (2) is detachably connected with the middle layer (3), an inserting block (26) is arranged on the outer layer (2), an inserting groove (31) matched with the inserting block (26) is formed in the middle layer (3), and the inserting block (26) has a heat insulation effect.

8. The multi-layer fire protection plate for fire protection of a steel structure according to claim 7, wherein: the middle layer (3) is connected with the secondary middle layer (4) in a sliding mode, a sliding block (32) is fixedly arranged on the middle layer (3), a sliding groove (41) formed in the secondary middle layer (4) in a matched mode with the sliding block (32), and the sliding block (32) is made of basalt fiber materials.

9. The multi-layer fire protection plate for fire protection of a steel structure according to claim 8, wherein: a bonding layer (6) is arranged between the secondary middle layer (4) and the inner layer (5), and the bonding layer (6) is used for connecting the inner layer (5) and the secondary middle layer (4).

10. The multi-layer fire protection plate for fire protection of a steel structure according to claim 1, wherein: the thickness of the middle layer (3) is 10 mm.