CN220750349U

CN220750349U - Composite air duct

Info

Publication number: CN220750349U
Application number: CN202321935725.0U
Authority: CN
Inventors: 李文桢; 周方华
Original assignee: Guangzhou Jingba Fire Technology Co ltd
Current assignee: Guangzhou Jingba Fire Technology Co ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2024-04-09
Anticipated expiration: 2033-07-21

Abstract

The utility model discloses a composite air duct, which comprises a connecting component and a pipe body component, wherein the two pipe body components are respectively arranged at two ends of the connecting component through bolts, the connecting component comprises a connecting bent pipe, a slot I is formed in the position, close to one end, of the inner wall of the side surface of the connecting bent pipe, an inserting block I which is inserted into the slot I is integrally formed at one end of the connecting bent pipe, the pipe body component comprises a pipe body, a slot II is formed in the position, close to one end, of the inner wall of the side surface of the pipe body, and an inserting block II which is inserted into the slot II is integrally formed at one end of the pipe body; the utility model is beneficial to reducing the difficulty of assembly, can solve the problems of air leakage and collapse when fire breaks out at the joint of the pipeline, prolongs the service life of the composite pipeline, opens the water valve on the connecting water pipe, enables clear water to flow into the shell, and sprays the water in the shell onto the flue gas in the connecting bent pipe through the water spraying hole so as to spray and purify the flue gas.

Description

Composite air duct

Technical Field

The utility model relates to the technical field of fire safety equipment, in particular to a composite air pipe.

Background

Modern buildings have the characteristics of large scale, complex functions, concentrated personnel and the like, bring convenience and quickness to property users, and bring greater fire safety hidden trouble to modern science and technology while having good experience. It is known that when a fire occurs, a large amount of toxic smoke is generated, and the smoke directly hinders people from escaping and fire fighters from extinguishing, which is the factor of the biggest harm to life safety in the fire, and the smoke prevention and exhaust system controls and eliminates the smoke generated in the fire in a fire room or a smoke prevention area where the fire room is located, so as to prevent the smoke from diffusing into an evacuation channel or other smoke prevention areas, thereby ensuring that the evacuation channel, a smoke prevention stairwell, a fire elevator and the like are not influenced by the smoke, and the fire resistance of the composite smoke exhaust duct itself plays a decisive role in effectively controlling the smoke and preventing the spread of fire as the most important line component in the smoke prevention and exhaust system.

The joints of all the pipelines of the composite smoke exhaust air pipe are generally sealed by sealing rings, adhesives and the like, but when the sealing rings and the adhesives meet high temperature, the high molecular compounds such as the sealing rings and the adhesives are burnt, so that the composite smoke exhaust air pipe is easy to generate air leakage and pipe fitting collapse, hidden danger is caused in a smoke prevention and exhaust system, smoke cannot be exhausted correctly when fire happens, the smoke cannot be exhausted and accumulated in the corridor, the indoor and other positions, and great inconvenience is brought to personnel evacuation.

Disclosure of Invention

The present utility model is directed to a composite air duct to solve the above-mentioned problems of the related art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the composite air pipe comprises a connecting assembly and pipe body assemblies, wherein the two pipe body assemblies are respectively arranged at two ends of the connecting assembly through bolts, the connecting assembly comprises a connecting bent pipe, a first inserting block inserted into the first inserting block is integrally formed at one end of the side inner wall of the connecting bent pipe, the second inserting block inserted into the second inserting block is integrally formed at one end of the side inner wall of the pipe body, and the first inserting block is integrally formed at the other end of the pipe body.

Wherein, the shell is welded on the outer wall of one side of the connecting bent pipe, and the connecting water pipe is inserted on the outer wall of one side of the shell.

Wherein, water spraying holes distributed in an equidistant structure are arranged on the inner wall of one side of the connecting bent pipe, and the water spraying holes are communicated with the shell.

The outer walls of the side surfaces of the pipe body and the connecting water pipe are close to two ends, the earplates are uniformly formed, and four through holes are formed in the outer wall of one side of each earplate.

The heat conducting strips distributed in an equidistant structure are welded on the outer wall of the top of the pipe body, the pipe body comprises an outer layer, the outer layer is an aluminum alloy plate sprayed with antirust paint, and the thickness of the outer layer is 3-8mm.

The noise reduction layer is adhered to the inner wall of the side face of the outer layer, and the thickness of the noise reduction layer is 8-10mm.

Wherein, the side inner wall of the noise reduction layer is adhered with a heat insulation layer, and the thickness of the heat insulation layer is 8-10mm.

Wherein, the inner wall of the side surface of the heat insulation layer is adhered with an inner layer, and the thickness of the inner layer is 4-5mm.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the tightness between the pipe body and the connecting bent pipe can be improved by matching the first inserting block, the first inserting groove, the second inserting block and the second inserting groove, and the first inserting block, the second inserting block and the second inserting groove, and the positioning is convenient when the connecting component and the pipe body component are assembled, so that the assembling difficulty is reduced, the problems of air leakage and collapse when fire occurs at the joint of the pipeline can be solved, and the service life of the composite pipeline is prolonged; through the shell, the connecting water pipe and the water spraying hole, when fire happens, the water valve on the connecting water pipe can be opened, so that clear water flows into the shell, and water in the rear shell can be sprayed onto smoke in the connecting bent pipe through the water spraying hole, so that the smoke is sprayed, the temperature of the smoke is reduced, people around the fire is prevented from being burnt by the smoke, and meanwhile, the pollution of the smoke to air can be reduced; through the inner layer, the heat insulating layer, the noise reducing layer and the outer layer, the air pipe with high temperature resistance, sound insulation and noise reduction can be formed by matching the inner layer, the heat insulating layer, the noise reducing layer and the outer layer, the service life of the air pipe is prolonged, and the noise during use is reduced; through the conducting strip that sets up, the conducting strip can accelerate the inside flue gas of passing through the body and send heat dissipation to the outside for flue gas temperature reduces, makes the flue gas can not cause great damage to compound tuber pipe through high temperature.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a connecting assembly according to the present utility model;

FIG. 3 is a schematic view of a pipe assembly according to the present utility model;

FIG. 4 is a schematic view of the internal structure of the pipe body of the present utility model;

FIG. 5 is a schematic view of the material structure of the pipe body and the connecting bent pipe of the present utility model.

In the figure: 10. a connection assembly; 11. a connecting bent pipe; 12. a first slot; 13. inserting blocks; 14. a housing; 15. a water spraying hole; 16. connecting a water pipe; 20. a tube assembly; 21. a tube body; 22. ear plates; 23. a through hole; 24. a heat conductive sheet; 25. a second slot; 26. a second plug block; 27. an inner layer; 28. a thermal insulation layer; 29. a noise reduction layer; 30. an outer layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the composite air pipe comprises a connecting component 10 and pipe body components 20, wherein the two pipe body components 20 are respectively arranged at two ends of the connecting component 10 through bolts, the connecting component 10 comprises a connecting bent pipe 11, a slot I12 is formed at the position, close to one end, of the inner wall of the side surface of the connecting bent pipe 11, a plug I13 which is inserted into the slot I12 is integrally formed at one end of the connecting bent pipe 11, the pipe body component 20 comprises a pipe body 21, a slot II 25 is formed at the position, close to one end, of the inner wall of the side surface of the pipe body 21, a plug II 26 which is inserted into the slot II 25 is integrally formed at one end of the pipe body 21, the sealing performance between the pipe body 21 and the connecting bent pipe 11 can be improved through the matching of the plug I13, the slot I12 and the plug II 26, the slot II 25, the problem of air leakage and collapse of a pipeline joint fire can be avoided during smoke discharging, positioning is facilitated during assembling the connecting component 10 and the pipe body component 20, the assembling difficulty is reduced, the heat conducting sheets 24 distributed in an equidistant structure are welded on the outer wall of the top of the pipe body 21, the heat conducting sheets 24 can accelerate the heat dissipation of smoke passing through the inside of the pipe body 21, so that the temperature of the smoke is reduced, the pipe body 21 comprises an outer layer 30, the outer layer 30 is an aluminum alloy plate sprayed with antirust paint, the thickness of the outer layer 30 is 5mm, a noise reduction layer 29 is adhered on the inner wall of the side surface of the outer layer 30, the thickness of the noise reduction layer 29 is 10mm, the noise reduction layer 29 is polyurethane foam, a heat insulation layer 28 is adhered on the inner wall of the side surface of the noise reduction layer 29, the thickness of the heat insulation layer 28 is 10mm, the heat insulation layer 28 is made of three materials of asbestos, silica and diatomite, the inner layer 27 is adhered on the inner wall of the side surface of the heat insulation layer 28, the thickness of the inner layer 27 is 5mm, the inner layer 27 is made of a calcium silicate material, the inner layer 27, the heat insulation layer 28, the noise reduction layer 29 and the outer layer 30 are matched to form a wind pipe with high temperature resistance and noise reduction, noise is reduced during smoke discharge.

Wherein, the welding has casing 14 on the outer wall of coupling elbow 11 one side, and peg graft on the outer wall of casing 14 one side has coupling water pipe 16, set up on the inner wall of coupling elbow 11 one side and be equidistant structural distribution's hole for water spray 15, the water valve on the coupling water pipe 16 can be opened for clear water inflow casing 14, the inside water of back casing 14 can spout the inside flue gas of coupling elbow 11 through hole for water spray 15, thereby spray the processing to the flue gas, with the temperature that reduces the flue gas, prevent that the flue gas from discharging burn crowd around, can subdue the pollution of flue gas to the air simultaneously, and hole for water spray 15 and casing 14 link up each other.

Wherein, the outer walls of the side surfaces of the pipe body 21 and the connecting water pipe 16 are close to two ends and are uniformly formed with the lug plates 22, and the outer wall of one side of the lug plate 22 is provided with four through holes 23, and the through holes 23 are convenient for bolts to pass through the lug plates 22.

Working principle: when fire smoke enters the air pipe, the first inserting block 13, the first inserting groove 12, the second inserting block 26 and the second inserting groove 25 are matched, so that the tightness between the pipe body 21 and the connecting bent pipe 11 can be improved, the problems of air leakage and collapse when fire occurs at a pipeline joint during smoke discharge are avoided, meanwhile, a water valve on the connecting water pipe 16 can be opened, clear water flows into the shell 14, and water in the shell 14 can be sprayed onto the smoke in the connecting bent pipe 11 through the water spraying holes 15, and therefore the smoke is sprayed, the temperature of the smoke is reduced, people around the fire are prevented from being burnt by smoke discharge, and meanwhile, the pollution of the smoke to air can be reduced; the inner layer 27, the heat insulating layer 28, the noise reducing layer 29 and the outer layer 30 cooperate to form a high-temperature-resistant, sound-insulating and noise-reducing air duct, so that the noise during smoke exhaust is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Composite air pipe, including coupling assembling (10) and body subassembly (20), its characterized in that: two body subassembly (20) are installed at coupling assembling (10) both ends through the bolt respectively, coupling assembling (10) are including connecting return bend (11), connecting return bend (11) side inner wall is close to one end department and has been seted up slot one (12), connecting return bend (11) one end integrated into one piece has plug-in block one (13) of grafting in slot one (12) inside, body subassembly (20) include body (21), body (21) side inner wall is close to one end department and has been seted up slot two (25), body (21) one end integrated into one piece has plug-in block two (26) of grafting in slot two (25) inside.

2. The composite air duct of claim 1, wherein: the outer wall of one side of the connecting bent pipe (11) is welded with a shell (14), and the outer wall of one side of the shell (14) is inserted with a connecting water pipe (16).

3. The composite ductwork of claim 2, wherein: water spraying holes (15) distributed in an equidistant structure are formed in the inner wall of one side of the connecting bent pipe (11), and the water spraying holes (15) are communicated with the shell (14).

4. The composite air duct of claim 1, wherein: the utility model discloses a water pipe, including body (21), connecting water pipe (16) side outer wall is close to both ends department unify the shaping and has otic placode (22), and has seted up four through-holes (23) on otic placode (22) one side outer wall.

5. The composite air duct of claim 1, wherein: the heat conducting strips (24) distributed in an equidistant structure are welded on the outer wall of the top of the pipe body (21), the pipe body (21) comprises an outer layer (30), the outer layer (30) is an aluminum alloy plate sprayed with antirust paint, and the thickness of the outer layer (30) is 3-5mm.

6. The composite air duct of claim 5, wherein: the noise reduction layer (29) is adhered to the inner wall of the side face of the outer layer (30), and the thickness of the noise reduction layer (29) is 8-10mm.

7. The composite air duct of claim 6, wherein: the side inner wall of the noise reduction layer (29) is adhered with a heat insulation layer (28), and the thickness of the heat insulation layer (28) is 8-10mm.

8. The composite air duct of claim 7, wherein: an inner layer (27) is adhered to the inner wall of the side face of the heat insulation layer (28), and the thickness of the inner layer (27) is 4-5mm.