CN216692491U - Light fire-fighting pressurized blast pipe with assembled finished product - Google Patents
Light fire-fighting pressurized blast pipe with assembled finished product Download PDFInfo
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- CN216692491U CN216692491U CN202123068915.0U CN202123068915U CN216692491U CN 216692491 U CN216692491 U CN 216692491U CN 202123068915 U CN202123068915 U CN 202123068915U CN 216692491 U CN216692491 U CN 216692491U
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Abstract
The utility model discloses a finished product assembly type light fire-fighting pressurized blast pipe, which is an air pipe with a rectangular cross section and comprises an inner wall plate and an outer wall plate, wherein a middle interlayer formed by a light heat-insulating fireproof light material is filled between the inner wall plate and the outer wall plate; the bottom of the rectangular pipe forms an insertion groove, and the top of the rectangular pipe forms a matched insertion end. The utility model provides a finished product assembly type light fire-fighting pressurized blast pipe, which has good air pipe sealing performance and low air leakage rate, greatly reduces air supply resistance and is convenient to install and transport; and the air pipe is integrally formed, the field installation is convenient and simple, and the difficulty of field construction is reduced.
Description
Technical Field
The utility model relates to the technical field of pressurized air supply ducts, in particular to a finished product assembled light fire-fighting pressurized air supply pipe.
Background
In the current ventilation engineering, the pressurized air supply duct is formed by pouring site concrete, the site construction difficulty is high, the engineering quantity is large, the construction period is long, the air supply resistance is large due to the rough interior of the manufactured air duct, the air leakage rate is high, the air duct is relatively troublesome when being installed, the manpower resource is wasted, and the requirements of economy and environmental protection are not met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a finished product assembled light fire-fighting pressurized air supply pipe aiming at the technical defects in the prior art, which has good heat insulation and fire prevention performance and can be used for fire-fighting pressurized air supply systems of industries and various buildings.
The technical scheme adopted for realizing the purpose of the utility model is as follows:
a finished product assembly type light fire-fighting pressurized blast pipe is a blast pipe with a rectangular cross section and comprises an inner wall plate and an outer wall plate, wherein a middle interlayer formed by light heat-insulating fireproof light materials is filled between the inner wall plate and the outer wall plate; the bottom of the rectangular pipe forms an insertion groove, and the top of the rectangular pipe forms a matched insertion end.
The finished product of the assembled light fire-fighting pressurized blast pipe can be integrally formed and can be directly processed by a factory, so that the problems of high difficulty in field processing and difficulty in installation are solved; the inner wall of the air duct is replaced by the galvanized steel plate, so that the problems of unsmooth inside, large air supply resistance and large air leakage rate are solved.
Drawings
FIG. 1 is a schematic view showing the overall construction of the finished fabricated lightweight fire fighting pressurized air supply hose of the present invention.
FIG. 2 is a top view of the finished fabricated lightweight fire fighting pressurized air supply hose of the present invention.
FIG. 3 is a schematic diagram of an insertion slot connection node of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the figures and the specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1-2, the finished assembled light fire-fighting pressurized blast pipe of the embodiment of the utility model is a rectangular blast pipe, the inner wall 1 of the blast pipe is made of galvanized steel sheets with the thickness of 1.0mm, the outer wall 2 of the blast pipe is made of galvanized steel sheets with the thickness of 1.0mm, the intermediate interlayer 3 is made of light heat-insulating fire-resistant light material with the thickness of 70mm, and metal fixing ribs 4 with the length of 40mm are alternately arranged between the inner wall and the outer wall of the blast pipe; the bottom of the air pipe is provided with an insertion groove 6, and the top of the air pipe is provided with an insertion end 5.
Of course, the thickness of the galvanized steel plate, the thickness of the interlayer and the length of the metal fixing rib can be selected or chosen according to actual needs, and are not limited to the above-mentioned embodiments.
Foretell light-duty fire control pressurization blast pipe of finished product assembled, when the field installation, only need to insert the bottom and the top of two sections with the specification tuber pipes and be connected, the tuber pipe can be through seaming automatic connection, simple to operate, and the leakproofness is good, and the rate of leaking out is low.
Referring to fig. 3, preferably, the insertion end at the top of the air duct has a width of 30mm and a height of 50mm, the insertion groove corresponds to the insertion groove, and a chamfer is left at a corner, so that the installation is more convenient.
The galvanized steel plate with the inner wall of 1.0mm in thickness has the galvanized layer thickness meeting the design or contract regulations and not lower than 80 g/square meter, is a metal inner wall which is made of a non-combustible material and has a smooth inner wall, and has the advantages of good sealing performance, low air leakage rate and pipeline design air speed of not more than 20 m/s.
The cross section size of the galvanized steel pipe is determined according to the air volume designed by specific projects and the air speed selected by design requirements.
The thickness of the galvanized steel sheet with the outer wall of 1.0mm is in accordance with the design or contract regulations and is not lower than 80 g/square meter.
The light heat-insulating fireproof light material with the thickness of the middle interlayer of 70mm can be non-combustible materials such as light concrete, non-combustible centrifugal glass wool and the like, the heat-insulating fireproof performance meets the standard requirement, the material is light, and the installation and the transportation are convenient.
The metal fixing ribs with the length of 40mm are alternately arranged between the inner wall and the outer wall of the air pipe and used for fixing the light heat-insulating fireproof light material of the middle interlayer, so that the air pipe is better in integrity.
The splicing seam of the finished product assembled light fire-fighting pressurized blast pipe can be filled by caulking materials.
Example (b):
the design pressure air supply quantity is 13000m3In the smoke prevention system of the/h, the design wind speed of the pipeline is not more than 20m/s, the cross section size of the galvanized steel plate pipeline is 630x320mm, namely the inner wall adopts the galvanized steel plate with the cross section size of 630x320mm and the thickness of 1.0mm, the outer wall adopts the galvanized steel plate with the thickness of 1.0mm, and the middle interlayer adopts a light heat-insulating fireproof light material with the thickness of 70 mm; when the device is installed on site, only the bottom and the top of two sections of air pipes with the same specification are required to be inserted and connected, the air pipes can be automatically connected through the seaming, and the splicing seams of the air pipes are filled by adopting special caulking materials.
The finished product assembled light fire-fighting pressurized air supply pipe is used for air pipes in fire-fighting pressurized air supply systems of industries and various buildings, adopts galvanized steel plates as the inner walls, has good sealing performance and low air leakage rate, greatly reduces air supply resistance, adopts light heat-insulating and fire-resistant light materials as the intermediate layer, is convenient to install and transport, adopts the galvanized steel plates as the outer walls, and improves the compressive strength of the air pipes; and the air pipe is integrally formed, the field installation is convenient and simple, and the difficulty of field construction is reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A finished product assembly type light fire-fighting pressurized blast pipe is characterized by being a blast pipe with a rectangular cross section and comprising an inner wall plate and an outer wall plate, wherein a middle interlayer formed by a light heat-insulating fireproof light material is filled between the inner wall plate and the outer wall plate; an insertion groove is formed at the bottom of the rectangular air pipe, and a matched insertion end is formed at the top of the rectangular air pipe.
2. The finished fabricated lightweight fire fighting pressurized air supply hose of claim 1 wherein the inner and outer wall panels have securing ribs secured to their inner surfaces to secure the interlayer.
3. The finished fabricated lightweight fire fighting pressurized air supply hose according to claim 2, wherein said fixing ribs have a length of 40mm and are alternately vertically disposed between said inner and outer wall plates.
4. The finished fabricated lightweight fire fighting pressurized air supply hose according to claim 1 or 3, wherein the inner and outer wall panels are made of galvanized steel.
5. The finished fabricated light-duty fire fighting pressurized blast pipe of claim 4, wherein the galvanized steel sheet has a thickness of 1.0 mm.
6. The finished fabricated lightweight fire fighting pressurized air supply hose according to claim 5, wherein the thickness of the middle sandwich layer is 70 mm.
7. The finished fabricated light fire fighting pressurized air supply hose according to claim 1, wherein the light heat insulating, fire resistant, light material is light concrete, noncombustible centrifugal glass wool, noncombustible material.
8. The finished fabricated lightweight firefighting pressurized air supply duct according to claim 1 or 6, wherein said insertion end is 30mm wide and 50mm high.
9. The light fire-fighting pressurized air supply pipe of claim 1, wherein the splicing seams of the light fire-fighting pressurized air supply pipe with multiple sections of finished products are filled with caulking materials after being inserted into the insertion grooves and the insertion ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123068915.0U CN216692491U (en) | 2021-12-08 | 2021-12-08 | Light fire-fighting pressurized blast pipe with assembled finished product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123068915.0U CN216692491U (en) | 2021-12-08 | 2021-12-08 | Light fire-fighting pressurized blast pipe with assembled finished product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216692491U true CN216692491U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123068915.0U Active CN216692491U (en) | 2021-12-08 | 2021-12-08 | Light fire-fighting pressurized blast pipe with assembled finished product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216692491U (en) |
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2021
- 2021-12-08 CN CN202123068915.0U patent/CN216692491U/en active Active
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