CN216112495U

CN216112495U - Fireproof air pipe

Info

Publication number: CN216112495U
Application number: CN202122041438.2U
Authority: CN
Inventors: 沈冬峰; 唐洪明
Original assignee: Beijing Shangxiang Technology Development Co ltd
Current assignee: Beijing Shangxiang Technology Development Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-03-22
Anticipated expiration: 2031-08-27

Abstract

The utility model relates to the technical field of pipeline equipment, and discloses a fireproof air pipe which comprises a pipe body formed by surrounding a plurality of plates, wherein each plate comprises at least two sub-plate bodies which are fixedly connected end to end in sequence; the fireproof air pipe provided by the utility model has good anti-seismic performance.

Description

Fireproof air pipe

Technical Field

The utility model relates to the technical field of pipeline equipment, in particular to a fireproof air pipe.

Background

The fire-proof air pipe is also called fire-proof air pipe or smoke exhaust air pipe, and is a pipe mainly installed on a return air supply pipeline or a mechanical smoke exhaust system pipeline of a ventilation and air conditioning system, and has air supply function in normal working condition. In the application of a ventilation system of a nuclear power plant, in order to ensure that the system can still work normally after an earthquake, the requirements of fire prevention and earthquake resistance are required to be met, and the method is also one of measures for ensuring nuclear power safety.

The fireproof air duct in the existing engineering is generally manufactured by using galvanized steel plates, carbon steel plates, inorganic glass fiber reinforced plastics or common calcium silicate plates and the like, the fireproof air duct with the requirement on the back fire surface temperature can meet the requirement on the back fire surface temperature rise of the fireproof air duct only by adding materials such as wrapping rock wool, ceramic fibers, silica gel fiber cloth and the like outside the air duct, but the anti-seismic performance of the fireproof air duct is not considered, when an earthquake occurs, the situations that the air duct is damaged, an outer wrapping layer falls off, the internal fire and the external fire are over-temperature and the like can possibly occur in the fireproof air duct, and the normal function cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fireproof air duct, which solves the problems in the prior art and enables the fireproof air duct to have good anti-seismic performance.

In order to achieve the purpose, the utility model provides the following scheme:

the utility model provides a fireproof air duct which comprises a duct body formed by surrounding a plurality of plates, wherein each plate comprises at least two sub-panels fixedly connected end to end in sequence, a connecting seam is formed at the joint of the two sub-panels connected in each plate, and a plurality of adjacent connecting seams on different plates are not in the same plane.

Preferably, the cross section of the pipe body is a rectangular section, the pipe body comprises four plate pieces, and the four plate pieces form a bottom plate, a top plate, a first side plate and a second side plate respectively.

Preferably, the connecting seams of the top plate and the bottom plate are symmetrically arranged about a horizontal plane, the connecting seams of the first side plate and the second side plate are symmetrically arranged about a vertical plane, the vertical plane is perpendicular to the horizontal plane and intersects with the central line of the pipe body, the plane of the two connecting seams of the top plate and the bottom plate which are symmetrical about the horizontal plane is a first plane, and the plane of the two connecting seams of the first side plate and the second side plate which are symmetrical about the vertical plane is a second plane; any one of the first planes is located between two of the second planes.

Preferably, the plate is a calcium silicate plate, and the thickness of the plate is not less than 30 mm.

Preferably, the different plates are fixedly connected through metal spikes.

Preferably, each connecting seam is sealed by calcium silicate fireproof glue.

Preferably, the support and hanging frame further comprises a plurality of support units, and the support units are sequentially arranged along the extending direction of the pipe body; each the support unit all includes crossbeam and two perpendicular roof beams, the both ends of crossbeam respectively with one erect roof beam fixed connection, the body is located two erect between the roof beam, the crossbeam with bottom plate fixed connection, each erect the roof beam respectively with first curb plate with second curb plate fixed connection, just erect the roof beam and be used for with external fixing spare fixed connection.

Compared with the prior art, the utility model has the following technical effects:

compared with the prior art that the connecting seams at the connecting positions of the two sections of pipelines are positioned in one plane, the fire-proof air pipe provided by the utility model has the advantages that the pipe body is easy to break at the plane where the connecting seams are positioned because the connecting seams are positioned in the same plane when an earthquake occurs, so that the fire-proof air pipe provided by the utility model has good meshing strength and good anti-seismic performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a fire protection duct according to an embodiment;

FIG. 2 is a schematic structural view of a support and hanger according to an embodiment;

fig. 3 is a schematic view showing an assembly sequence of the fireproof air duct in fig. 5.

Icon: 1-fireproof air duct; 10-a tube body; 11-a plate member; 111-a sub-plate body; 12-connecting seams; 13-a base plate; 14-a top plate; 15-a first side panel; 16-a second side panel; 17-a hanger; 171-a holder unit; 1711-beam; 1712-vertical beam.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Example one

The embodiment provides a fire-proof air duct 1, which includes a duct body 10 enclosed by a plurality of plate members 11, each plate member 11 includes at least two sub-panel bodies 111 fixedly connected end to end in sequence, a connecting seam 12 is formed at the joint of two sub-panel bodies 111 connected in each plate member 11, and a plurality of adjacent connecting seams 12 on different plate members 11 are not in the same plane; from the direction that body 10 extends, there is crisscross relation between the connecting seam 12 on different plates 11, a plurality of adjacent connecting seams 12 are located different plates 11 promptly, and a plurality of adjacent connecting seams 12 are not located the coplanar, compare in the connecting seam of two sections pipeline junctions of current and be located a plane, when taking place the earthquake, the fire prevention tuber pipe 1 that this embodiment provided can not appear because connecting seam 12 is located the coplanar and leads to the body 10 to be easy at the cracked situation of connecting seam 12 place plane, consequently the fire prevention tuber pipe 1 that this embodiment provided has good interlock intensity, anti-seismic performance is good.

In an alternative of this embodiment, please refer to fig. 1, preferably, the cross section of the tube 10 is a rectangular cross section, the tube 10 includes four plate members 11, and the four plate members 11 respectively form a bottom plate 13, a top plate 14, a first side plate 15 and a second side plate 16.

Further, the cross-sectional shape of the pipe body 10 may also be circular, triangular or other polygonal shape.

In the alternative of this embodiment, it is preferable that the connecting seams 12 on the top plate 14 and the bottom plate 13 are symmetrically arranged about a horizontal plane, the connecting seams 12 on the first side plate 15 and the second side plate 16 are symmetrically arranged about a vertical plane, the vertical plane is perpendicular to the horizontal plane and intersects with the center line of the pipe 10, the plane where the two connecting seams 12 on the top plate 14 and the bottom plate 13 are symmetrical about the horizontal plane is the first plane, and the plane where the two connecting seams 12 on the first side plate 15 and the second side plate 16 are symmetrical about the vertical plane is the second plane; any one first plane is positioned between two second planes; that is, the pipe body 10 does not include the connecting seams 12 on the bottom plate 13 and the top plate 14 and the connecting seams 12 on the first side plate 15 and the second side plate 16 on one cross section, so that the shock resistance is improved to some extent, and the preparation of the sub-board body 111 can be standardized.

Further, the connecting seams 12 of the bottom plate 13, the top plate 14, the first side plate 15 and the second side plate 16 may be located on different cross sections.

In the alternative of this embodiment, it is preferable that the plate 11 is a calcium silicate plate, and the thickness is not less than 30 mm; specifically, 35mm, 40mm, 50mm, 52mm and the like can be set, and the specific thickness can be determined according to the fire-resistant requirement of the fireproof air duct 1, so that the heat insulation requirement can be met without adding an outer wrapping layer.

In an alternative of this embodiment, it is preferable that the different plate members 11 are fixedly connected by a metal stud; namely, the sub-board body 111 on the first side board 15 and the sub-board bodies 111 on the top board 14 and the bottom board 13, and the sub-board bodies 111 on the second side board 16 and the sub-board bodies 111 on the top board 14 and the bottom board 13 are fixedly connected through metal nails, so that the stability is improved.

In the alternative of this embodiment, it is preferable that the plurality of connecting seams 12 are sealed by calcium silicate fireproof glue; the overall tightness of the pipeline is improved.

In an alternative of this embodiment, please refer to fig. 1 and fig. 2, preferably, the fire protection air duct 1 provided in this embodiment further includes a supporting and hanging bracket 17, the supporting and hanging bracket 17 includes a plurality of bracket units 171, and the plurality of bracket units 171 are sequentially arranged along the extending direction of the duct body 10; each support unit 171 all includes crossbeam 1711 and two perpendicular roof beams 1712, and the both ends of crossbeam 1711 respectively with a perpendicular roof beam 1712 fixed connection, body 10 are located between two perpendicular roof beams 1712, crossbeam 1711 and bottom plate 13 fixed connection, each perpendicular roof beam 1712 respectively with first curb plate 15 and second curb plate 16 fixed connection, and perpendicular roof beam 1712 be used for with external fixing spare fixed connection.

Specifically, the cross beam 1711 and the vertical beam 1712, and the support hanger 17 and the plate 11 can be fixedly connected by screws, and the spacing distance of each support unit 171 can be determined according to actual conditions; the support and hanger 17 can be made of carbon steel or stainless steel.

In the alternative of this embodiment, it is preferable that each of the cross beams 1711 is located directly below each of the connecting seams 12 of the bottom plate 13; the stability of the fireproof air pipe 1 is further improved.

Further, referring to fig. 3 to 5, an assembly method of the fire protection duct 1 in the present embodiment is provided: wherein, the installing sequence and the installing position of the sub-plate body 111 are shown as phi-phi, and the installation of the subsequent sub-plate body 111 can be analogized according to the sequence.

The principle and the implementation mode of the utility model are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.

Claims

1. The utility model provides a fire prevention tuber pipe which characterized in that: the plate comprises a pipe body (10) enclosed by a plurality of plates (11), each plate (11) comprises at least two sub-plate bodies (111) which are sequentially fixedly connected end to end, connecting seams (12) are formed at the joints of the two sub-plate bodies (111) which are connected in each plate (11), and the connecting seams (12) are close to each other and different on the plates (11) and are not in the same plane.

2. The fire protection ductwork of claim 1, wherein: the cross section of body (10) is the rectangle cross section, body (10) include four plate (11), and four plate (11) form bottom plate (13), roof (14), first curb plate (15) and second curb plate (16) respectively.

3. The fire protection ductwork of claim 2, wherein: the connecting seams (12) on the top plate (14) and the bottom plate (13) are symmetrically arranged about a horizontal plane, the connecting seams (12) on the first side plate (15) and the second side plate (16) are symmetrically arranged about a vertical plane, the vertical plane is perpendicular to the horizontal plane and intersects the central line of the pipe body (10), the plane of the two connecting seams (12) on the top plate (14) and the bottom plate (13) which are symmetrical about the horizontal plane is a first plane, and the plane of the two connecting seams (12) on the first side plate (15) and the second side plate (16) which are symmetrical about the vertical plane is a second plane; any one of the first planes is located between two of the second planes.

4. The fire protection ductwork of claim 1, wherein: the plate (11) is a calcium silicate plate, and the thickness of the plate is not less than 30 mm.

5. The fire protection ductwork of claim 1, wherein: different plate pieces (11) are fixedly connected through metal spikes.

6. The fire protection ductwork of claim 1, wherein: each connecting seam (12) is sealed by adopting calcium silicate fireproof glue.

7. The fire protection ductwork of claim 2, wherein: the pipe body support device further comprises a support hanger (17), wherein the support hanger (17) comprises a plurality of support units (171), and the support units (171) are sequentially arranged along the extending direction of the pipe body (10);

each support unit (171) all includes crossbeam (1711) and two perpendicular roof beams (1712), the both ends of crossbeam (1711) respectively with one perpendicular roof beam (1712) fixed connection, body (10) are located two between perpendicular roof beam (1712), crossbeam (1711) with bottom plate (13) fixed connection, each perpendicular roof beam (1712) respectively with first curb plate (15) with second curb plate (16) fixed connection, just perpendicular roof beam (1712) be used for with external mounting fixed connection.

8. The fire protection ductwork of claim 7, wherein: the cross beams (1711) are respectively positioned under the connecting seams (12) of the bottom plate (13).