CN217500624U

CN217500624U - Fireproof heat-insulation composite board and assembled fire-fighting smoke exhaust pipe

Info

Publication number: CN217500624U
Application number: CN202221501147.5U
Authority: CN
Inventors: 戚鹏
Original assignee: Langfang Hantong Building Materials Co ltd
Current assignee: Langfang Hantong Building Materials Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-09-27
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a fire prevention thermal protection composite panel and assembled fire control pipe of discharging fume, fire prevention thermal protection composite panel include the metal decking of both sides to PLASTIC LAMINATED and thermal-insulated heat preservation between the panel of both sides, adopt adhesive connection between panel, PLASTIC LAMINATED and the thermal-insulated heat preservation, thermal-insulated heat preservation comprises inorganic fiber net or the inorganic fiber cloth of inlayer inorganic thermal-insulated heat preservation material layer and its outside parcel, forms rectangle slice composite construction through the silk seam together between inorganic fiber net or the inorganic fiber cloth and the inorganic thermal-insulated heat preservation material layer. And the corner connecting section is also provided with two vertical connecting parts, the edges of the fireproof heat-preservation composite boards are fixed on the connecting parts of the corner connecting section through screws, and the four fireproof heat-preservation composite boards and the four corner connecting sections are assembled into a square pipe. The fireproof heat-preservation composite board has high strength, is not easy to misplace, deform and peel, and is easy to firmly adhere; the assembled fire-fighting smoke exhaust pipe has high assembly precision and high field assembly efficiency.

Description

Fireproof heat-insulation composite board and assembled fire-fighting smoke exhaust pipe

Technical Field

The utility model belongs to the building pipe field of discharging fume, in particular to assembled fire control is discharged fume and is managed and fire prevention thermal protection composite panel.

Background

The fire-fighting smoke exhaust pipe is required to be arranged in modern large buildings such as commercial buildings, factories and hospitals, the structure is that a pipeline with a square cross section is processed by galvanized plates inside, then heat insulation materials are coated outside the pipeline, finally the galvanized plates or fireproof plates are coated outside the heat insulation materials for protection, the whole structure adopts an integrated sectional structure, all sections are connected by flanges, and most procedures need site construction and installation. Disadvantages of such fire smoke exhaust pipes include: (1) poor quality consistency: the field construction has high requirements on the technique of personnel and poor construction quality consistency; (2) the manpower cost is high: the field workload is large, and the labor cost is high; (3) the construction period is long: most of works require site construction operation, and the site construction period is long.

The invention discloses an assembled fire-fighting smoke exhaust pipe, which is a pipe wall with a plurality of fireproof heat-insulation composite boards serving as square pipes, wherein the adjacent edges of four heat-insulation boards are vertically inserted and connected by screws through square pipe four-corner connectors to form the square pipes. The fireproof heat-insulation composite board and the four-corner connecting piece can be prefabricated and cut in a factory, assembled in site construction, and have the advantages of short construction period, labor saving and good quality consistency. However, in the process of trial production, it is found that since the heat-insulating layer of the fireproof heat-insulating composite board is made of non-faced fiber materials such as ceramic fiber felt, glass fiber blanket, rock wool heat-insulating material and the like, the fiber is short, the whole non-woven structure is weak in tensile strength, and the peeling and the dislocation of the plates at the two sides are easily caused by tearing from the middle part of the heat-insulating layer, so that the yield and the field assembly efficiency are influenced.

In view of this, the present invention is especially provided.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims at providing an assembly fire protection and smoke exhaust pipe is with fire prevention thermal insulation composite board, and the assembly fire protection of adopting this kind of composite board discharges fume the pipe to solve original fire protection and thermal insulation composite board intensity and hang down, the dislocation problem, further improve the efficiency of construction and the quality that the assembly fire protection discharged fume the pipe simultaneously.

In order to realize the above-mentioned purpose, the utility model provides a pair of fire prevention thermal protection composite panel, metal decking including both sides to PLASTIC LAMINATED and thermal-insulated heat preservation between the panel of both sides, PLASTIC LAMINATED and adopt adhesive connection, its characterized in that between the thermal-insulated heat preservation: the heat insulation layer is composed of an inner inorganic heat insulation material layer and an inorganic fiber net or inorganic fiber cloth wrapped outside the inner inorganic heat insulation material layer, and the inorganic fiber net or the inorganic fiber cloth and the inorganic heat insulation material layer are sewn together through threads to form a rectangular sheet-shaped composite structure.

The free edges of the inorganic heat insulation material layer wrapped by the inorganic fiber net or the inorganic fiber cloth are folded inwards, the edges are sewn together by silk threads to form a multi-layer composite deformable edge, the edge sealing effect is achieved through deformation during assembly, edge separation and edge flashing can be avoided, and the edge separation and the edge flashing are easy to generate for the inorganic fiber fabric.

The silk threads for sewing the inorganic fiber net or the inorganic fiber cloth and the inorganic heat insulation material layer together adopt a criss-cross grid form for sewing so as to improve the surface flatness, the connection firmness and the integrity of a composite structure.

The inorganic heat insulation material can adopt glass wool, rock wool, ceramic fiber and aluminum silicate fiber, and the form can be loose fiber wool filled between surface layers formed by inorganic fiber nets or inorganic fiber cloth, but inorganic fiber felts are preferred; the most preferable laminated layer of the plurality of layers of the alumina silicate fiber paper has the advantages of uniform thickness, stiffness and compactness, the thickness of the heat-insulating layer can be adjusted according to the heat-insulating requirement by adjusting the laminated layer number of the alumina silicate fiber paper, the accurate control of the thickness is ensured, and the laminated layer is suitable for being sewn with an inorganic fiber net or cloth by a sewing machine.

The metal plate can be selected from a galvanized plate, a color steel plate, a stainless steel plate and the like.

Further, based on the fireproof heat-insulation composite board, the utility model also provides an assembled fire-fighting smoke exhaust pipe, which comprises a plurality of fireproof heat-insulation composite boards used as pipe walls and corner connecting profiles used for positioning and connecting the fireproof heat-insulation composite boards, wherein the corner connecting profiles are provided with two vertical connecting parts, the edges of the fireproof heat-insulation composite boards are fixedly arranged on the connecting parts of the corner connecting profiles through screws, four fireproof heat-insulation composite boards and four corner connecting profiles are assembled into a square pipe, and the four fireproof heat-insulation composite boards and the four corner connecting profiles are connected with two end parts of the square pipe through flanges; the fireproof heat-insulation composite board adopts the fireproof heat-insulation composite board.

The corner connecting profiles are characterized in that two connecting parts which are perpendicular to each other are provided with slots, and the fireproof heat-insulation composite board is inserted into the slots to be positioned.

The inorganic fiber net or the inorganic fiber cloth of the fireproof heat-insulation composite board wraps the free edge of the inorganic heat-insulation and heat-preservation material layer, is turned inwards and the edges are sewn together by silk threads to form a multi-layer composite deformable edge and extend outwards for 5-25 mm, so that the fireproof heat-insulation and heat-preservation composite board can be compressed and sealed in the length direction during splicing.

Further, still include a U type fastener, including the buckle portion at U type slot part and both ends, U type slot part is detained the fire prevention thermal insulation composite board tip at square pipe both ends, the buckle portion at its both ends extends to bight jointing profile detains the slot tip at bight jointing profile, has both played the reinforcing fire prevention thermal insulation composite board intensity can protect fire prevention thermal insulation composite board terminal surface again, prevents that water, vapour, dirt etc. from getting into.

And mounting holes are reserved at the positions where the screws are mounted on the corner connecting section bars.

The flange is provided with a connecting fixing hole and a hoisting hole, so that the pressure sealing in the length direction of the two sections of fire-fighting smoke exhaust pipes is realized through the flange, and most hoisting pipe hoops or other additional hoisting parts can be saved, thereby saving the construction time and the manufacturing cost.

The utility model discloses following beneficial effect has: the fireproof heat-preservation composite board has high strength, the steel plates on the two sides are not easy to dislocate and deform and are not easy to peel off from the heat-preservation layer, and the surface of the heat-preservation layer is of an inorganic fiber net or inorganic fiber cloth woven structure, so that the fireproof heat-preservation composite board is easy to firmly adhere to the steel plates and the fireproof board through an adhesive; the assembly type fire-fighting smoke exhaust pipe formed by the fireproof heat-insulation composite board has high assembly precision and high field assembly efficiency. The fire-fighting smoke exhaust pipe can be used as a smoke pipe, and also can be used as a cooling and heating air pipe of air conditioning equipment and an air inlet and outlet pipe of a fresh air system.

Drawings

Fig. 1 is a schematic structural view of a fireproof heat-insulation composite board provided by the utility model;

FIG. 2 is a schematic plan view of the fireproof heat-insulating composite board of the present invention;

FIG. 3 is a schematic view of the manner in which the free edge of the inorganic fiber web is folded inward;

fig. 4 is a schematic view of the deformable edge formed after the free edge of the inorganic fiber web is turned inward and sewn.

FIG. 5 is a schematic view of the structure of the assembled fire-fighting smoke exhaust pipe of the present invention;

FIG. 6 is a schematic view of the assembled fire and smoke exhaust pipe assembly shown in FIG. 5;

FIG. 7 is a schematic view of a corner connecting section used in the fabricated fire and smoke exhaust pipe of FIG. 5;

fig. 8 is a schematic structural view of the U-shaped fastener for the assembled fire and smoke exhaust pipe shown in fig. 5.

In the figure:

1. a fireproof heat-insulation composite board; 2. a right angle connector; 3. a screw; 4, U-shaped fasteners; 11. a fire-proof plate; 12. a heat insulation layer; 121. an inorganic heat insulation material layer; 122. an inorganic fiber web; 123. a free edge of the inorganic fiber web; 124. a deformable edge; 125. sewing the middle silk thread; 126. sealing the sewing position of the silk thread; 13. galvanizing a plate; 14. the exterior decorative color steel plate; 21. corner connecting profiles; 31. short screws; 32. a long screw; 201. installing a flange; 202. a fixing hole; 203. hoisting holes; 204. a broadside inner groove; 205. narrow-sided interior grooves; 401, a U-shaped slot; 402. a buckle part.

Detailed Description

The present invention will be further described with reference to the following specific embodiments and accompanying drawings to facilitate understanding of the present invention.

Example 1 fire-proof thermal insulation composite board

As shown in fig. 1, it is a schematic structural diagram of the fire-proof heat-insulating composite board of the present invention, including metal panels on both sides, wherein one side is a galvanized sheet 13, and the other side is a color steel sheet 14 for exterior decoration. Between the galvanized sheet 13 and the exterior color steel sheet 14 are a heat insulation layer 12 and a fireproof sheet 11, which are connected by adhesive, and the adhesive layer is not shown in the figure. The heat insulation layer 12 is composed of an inner inorganic heat insulation material layer 121 and an inorganic fiber net 122 (or inorganic fiber cloth) wrapped outside the inner inorganic heat insulation material layer. As shown in FIG. 2, the inorganic fiber web 122 or inorganic fiber cloth is sewn with the inorganic fiber web 122 wrapped on the outer surface of the inorganic fiber web 121 along the thickness direction of the whole heat-insulating layer at the sewing position 125 of the middle thread in a longitudinal and transverse intersecting grid pattern, so as to form a rectangular sheet-like composite structure.

Also shown in fig. 3 and 4, the free edges 123 of the inorganic thermal insulation layer 121 wrapped by the inorganic fiber web 122 are folded inward and sewn together along the edges of the inorganic thermal insulation layer 121 at the edge banding thread stitching 126 to form a plurality of deformable edges 124. The deformable edge 124 is formed of at least 4 layers of inorganic fiber webs stacked together to form a composite structure and extending outwardly by 5-25 mm. Because the inorganic fiber hardness is usually greater than the organic fiber, the bending part has certain elastic deformability, the edge sealing effect is achieved through the deformation of the composite layer during assembly, and edge separation and edge flash can be avoided.

The inorganic heat insulation and preservation material layer 121 is a multi-layer aluminum silicate fiber paper lamination layer, the aluminum silicate fiber paper has the advantages of being even in thickness, stiff and compact, the thickness of a heat preservation layer can be adjusted according to heat preservation requirements by adjusting the number of lamination layers of the aluminum silicate fiber paper, accurate control of the thickness is guaranteed, the inorganic heat insulation and preservation material layer is suitable for being sewn with a sewing machine and an inorganic fiber net or cloth, sewing is combined in a vertically and horizontally crossed grid mode, and the surface smoothness of the formed heat insulation and preservation layer is higher.

In other embodiments, the inorganic thermal insulation material layer 121 may be formed of glass wool, rock wool, ceramic fiber, or aluminum silicate fiber, and may be formed of loose fiber wool filled between the surface layers formed by inorganic fiber nets or inorganic fiber cloth, and the loose structure has high porosity, but is not easy to sew with a sewing machine and has a slightly poor surface smoothness after sewing, or may be formed of an inorganic fiber felt, and the processing convenience and smoothness of the inorganic fiber felt are between those of the aluminum silicate fiber paper and the loose fiber wool.

The fire protection plate 11, preferably a calcium silicate plate, has the advantage of good fire protection properties, and for applications where fire protection requirements are not too high, glass wool panels may also be used, although other inorganic fire protection plates such as foamed cement may also be used.

The inorganic fiber mesh 122 or cloth, preferably a glass wire mesh or glass cloth, has an advantage that the glass fiber length is not easily broken.

For those skilled in the art, other functional layers or structural layers may be added to the fireproof insulation composite board as needed, for example, a fireproof foamed polyurethane insulation layer is added between the heat insulation layer 12 and the fireproof board 11 or between the heat insulation layer 12 and the galvanized board 13, or the fireproof board is also added between the heat insulation layer 12 and the galvanized board 13.

EXAMPLE 2 fabricated fire Smoke discharging pipe

This embodiment is the assembled fire control of adopting the fire prevention thermal protection composite panel preparation of embodiment 1 to discharge fume the pipe, as shown in fig. 5 and fig. 6, the utility model provides an assembled fire control of consuming fume is prevented discharging fume the pipe, including four fire prevention thermal protection composite panel 1 as the pipe wall to and be used for the steel right angle connecting piece 2 of 1 location of fire prevention thermal protection composite panel. The steel corner connector 2 is formed by a corner connecting section bar 21 and a mounting flange 201.

The four fireproof heat-insulation composite boards 1 and the four corner connecting sections 21 are fixedly connected through screws 3 to form a square pipe; the mounting flanges 201 are mounted at the two ends of the square pipe through screws to form a section of assembled fire-fighting smoke exhaust pipe.

The fireproof heat-insulation composite board 1 adopts the technical scheme of the embodiment 1, namely, the fireproof heat-insulation composite board is composed of a heat-insulation layer 12 and a fireproof board 11 between a galvanized plate 13 and an exterior decorative color steel plate 14. The heat insulating layer 12 is composed of an inner inorganic heat insulating material layer 121 and an inorganic fiber net 122 (or inorganic fiber cloth) wrapped outside the inner inorganic heat insulating material layer as shown in fig. 1, and will not be described again.

The thermal insulation layer 12 of the fireproof thermal insulation composite board 1 extends 5-15 mm independently in the length direction through the deformable edge 124 shown in fig. 4 so as to be compressed and sealed in the length direction during splicing.

As shown in fig. 7, the corner connecting section 21 has two connecting portions perpendicular to each other, and the two connecting portions perpendicular to each other have slots, i.e. a wide-side inner slot 204 and a narrow-side inner slot 205, and the depth of the wide-side inner slot 204 is equal to that of the narrow-side inner slot 205.

As shown in fig. 5 and 6, the edges of two adjacent and perpendicular fire-proof heat-insulating composite boards 1 are respectively inserted into the wide-side inner groove 204 and the narrow-side inner groove 205 of the corner connecting section 21, the wide-side inner groove 204 and the two sides of the inserted fire-proof heat-insulating composite board 1 are bidirectionally fixed by short screws 31 through the mounting holes reserved on the corner connecting section 21, the narrow-side inner groove 205 and the inserted fire-proof heat-insulating composite board 1 are penetratingly fixed by long screws 32, and the ends of the long screws 32 penetrate through the bottom surface of the wide-side inner groove 204. The fireproof square tube is formed by field assembly.

The mounting flanges 201 are made of angle iron welding, are sleeved at two ends of the square pipe and are assembled together through screws, and the mounting flanges 201 are used for assembling and connecting the pipe sections. The mounting flange is provided with a connecting and fixing hole 202 and a hoisting hole 203, so that the mounting flange 201 not only realizes the pressurization and sealing in the connection of the two sections of the fire-fighting smoke exhaust pipes in the length direction, but also can save most of hoisting pipe hoops or other additional hoisting parts, thereby saving the construction time and the manufacturing cost.

Because fire prevention heat preservation composite sheet is the sandwich structure that adopts the multilayer to bond, its left and right sides edge has realized strengthening and has covered the protection in inserting the slot of bight connecting profile 21, for the enhancement protectiveness of tip sandwich structure covers around realizing it, still adopts a U type fastener 4 as shown in fig. 8, including the buckle portion 402 at U type slot part 401 and both ends, U type slot part 401 is detained the fire prevention heat preservation composite sheet tip at square pipe both ends, the buckle portion 402 at its both ends extends to bight connecting profile detains the slot tip at bight connecting profile, has both played the reinforcing fire prevention heat preservation composite sheet intensity can protect fire prevention heat preservation composite sheet terminal surface again, prevents that water, vapour, dirt etc. from getting into. As shown in fig. 5, the end of the fire-proof thermal insulation composite board 1 is completely covered and hidden by the U-shaped fastener 4.

It can be understood that angle steel may be used instead of the corner connecting profile 21, and two perpendicular connecting portions formed by two right-angle sides of the angle steel are connected and fixed with the fire-proof thermal insulation composite board 1 by screws, but compared with the structure of the wide-side inner groove 204 and the narrow-side inner groove 205 shown in fig. 6 in the present embodiment, the connection reliability, convenience, and precision are reduced.

The present invention has been described in detail with reference to specific embodiments, and the description of the embodiments is only for the purpose of helping understanding the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a fire prevention thermal protection composite panel, includes the metal decking of both sides to PLASTIC LAMINATED and thermal-insulated heat preservation between the both sides curb plate adopts adhesive connection, its characterized in that between panel, PLASTIC LAMINATED and the thermal-insulated heat preservation: the heat insulation layer is composed of an inner inorganic heat insulation material layer and an inorganic fiber net or inorganic fiber cloth wrapped outside the inner inorganic heat insulation material layer, and the inorganic fiber net or the inorganic fiber cloth and the inorganic heat insulation material layer are sewn together through threads to form a rectangular sheet-shaped composite structure.

2. The fire-resistant thermal insulation composite board according to claim 1, wherein the inorganic fiber net or the inorganic fiber cloth wraps the free edge of the inorganic thermal insulation material layer, is turned inwards and is sewn together by silk threads at the edge to form a multi-layer composite deformable edge.

3. The fireproof thermal insulation composite board according to claim 2, wherein the threads for sewing the inorganic fiber mesh or the inorganic fiber cloth and the inorganic thermal insulation material layer together are sewn in a criss-cross grid manner.

4. The fire-resistant thermal insulation composite board according to one of claims 1 to 3, wherein the inorganic thermal insulation material layer is a multi-layered aluminum silicate fiber paper laminated layer.

5. The fire-resistant thermal composite board according to one of claims 1 to 3, wherein the inorganic thermal insulation material layer is inorganic fiber felt or loose fiber cotton.

6. The utility model provides an assembled fire protection and smoke exhaust pipe, includes the polylith and is used for fire protection and heat preservation composite sheet location and the bight connection section bar of connecting, bight connection section bar is provided with two vertically connecting portion, fire protection and heat preservation composite sheet edge is fixed through the mounting screw on the connecting portion of bight connection section bar, four fire protection and heat preservation composite sheet and four bight connection section bars assemble into square pipe, flange joint in the both ends of square pipe, its characterized in that in addition: the fireproof thermal insulation composite board adopts the fireproof thermal insulation composite board in one of claims 1 to 3.

7. The fabricated fire and smoke exhaust pipe according to claim 6, wherein the inorganic heat insulation and preservation material layer of the fire and heat preservation composite board is a plurality of aluminum silicate fiber paper laminated layers; or inorganic fiber felt or loose fiber cotton.

8. The assembled fire and smoke exhaust pipe according to claim 6 further comprising a U-shaped fastener comprising a U-shaped groove part and two end fastening plates, wherein the U-shaped groove part is fastened at the ends of the fire and heat insulation composite plates at the two ends of the square pipe, and the two end fastening plates extend to the corner connecting section and are fastened at the ends of the slots of the corner connecting section.

9. The fabricated fire and smoke exhaust pipe of claim 6, wherein the corner connecting section bars have slots on two connecting portions perpendicular to each other, and the fire and heat insulating composite board is inserted into the slots for positioning.

10. The fabricated fire protection and smoke exhaust pipe of claim 6 wherein the inorganic fiber mesh or cloth of the fire protection and thermal insulation composite panel wraps the free edges of the layer of inorganic thermal insulation and thermal insulation material and the edges are sewn together with thread to form a plurality of deformable edges extending outwardly 5-25 mm for compression sealing in a lengthwise direction of the splice.