CN212430906U

CN212430906U - Fire-fighting flue structure

Info

Publication number: CN212430906U
Application number: CN201922220762.3U
Authority: CN
Inventors: 张峰
Original assignee: Shaanxi Wanzhong Anxin Fire Detection And Maintenance Co ltd
Current assignee: Shaanxi Wanzhong Anxin Fire Detection And Maintenance Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2021-01-29
Anticipated expiration: 2029-12-12

Abstract

The utility model provides a fire protection flue structure, including the exhaust pipe, install the filter screen on the inner wall of exhaust pipe exhaust port, axial fan is installed to the rear end of filter screen, just the exhaust pipe includes outer body and interior body, outer body includes first pipeline and second pipeline, the inner wall of first pipeline with be equipped with the water storage chamber between the outer wall of second pipeline, just hot melt is connected with a plurality of connecting pieces on the inner wall of first pipeline, just interior body includes third pipeline and fourth pipeline, the inner wall of third pipeline with install the gasbag between the outer wall of fourth pipeline. The utility model discloses a water and the inert gas in the gasbag of axial fan, filter screen, water storage intracavity prevent that the exhaust pipe from further damaging because the conflagration, having improved exhaust pipe's smoke exhausting effect.

Description

Fire-fighting flue structure

Technical Field

The utility model relates to a technical field of fire control flue structure specifically is a fire control flue structure.

Background

The smoke exhaust work is generally carried out to current fire protection flue structure adoption exhaust pipe, but when the conflagration breaing out, because indoor smog concentration is too high, lead to the exhaust pipe can't be with the effectual discharge of smog, too much smog has not only reduced indoor visibility, influences people's fleing, and the people easily leads to stifling owing to smoked chocing of indoor smog moreover, and the exhaust pipe is very easily damaged owing to the conflagration simultaneously, and then influences smoke exhaust effect. Therefore, there is a need to develop a fire-fighting flue structure for improving smoke discharging effect and realizing effective smoke discharging.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a fire-fighting flue structure for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a fire-fighting flue structure comprises a smoke exhaust pipeline, a filter screen is arranged on the inner wall of a smoke exhaust port of the smoke exhaust pipeline, the rear end of the filter screen is provided with an axial flow fan, the bottom of the axial flow fan is fixedly connected with the inner wall of the smoke exhaust pipeline, the smoke exhaust pipeline comprises an outer pipe body and an inner pipe body, the inner wall of the outer pipe body is connected with the outer wall of the inner pipe body in a hot melting way, the outer pipe body comprises a first pipe and a second pipe, a water storage cavity is arranged between the inner wall of the first pipe and the outer wall of the second pipe, and the inner wall of the first pipeline is connected with a plurality of connecting pieces in a hot melting way, one end of the connecting pieces far away from the inner wall of the first pipeline is fixedly connected with the outer wall of the second pipeline, and the inner pipe body comprises a third pipe and a fourth pipe, and an air bag is arranged between the inner wall of the third pipe and the outer wall of the fourth pipe.

Furthermore, the first pipeline comprises a first pipeline base layer, a first flame-retardant plate is connected to the outer wall of the first pipeline base layer through adhesive bonding, and a heat insulation plate is connected to the inner wall of the first pipeline base layer through adhesive bonding.

Further, the third pipeline includes third pipeline basic unit, be connected with the fire-retardant board of second through sticky bonding on the outer wall of third pipeline basic unit.

Furthermore, the inner wall of the fourth pipeline is connected with a reinforcing pipe in a hot melting mode, and a plurality of spiral flow deflectors are spirally and alternately arranged on the inner wall of the reinforcing pipe.

Furthermore, the two ends of the water storage cavity are connected with sealing rings in a hot melting mode, and the inner wall and the outer wall of each sealing ring are connected with the outer wall of the second pipeline and the inner wall of the first pipeline in a hot melting mode.

Further, admission line and inlet channel are installed to the equidistance on the outer wall of smoke exhaust pipe exhaust port, the admission line runs through in proper order outer body with the third pipeline extends to in the gasbag, just the inlet channel runs through first pipeline extends to in the water storage intracavity.

Furthermore, an air inlet valve and a throttle valve are fixedly mounted on the outer wall of the air inlet pipeline and the outer wall of the water inlet pipeline respectively through bolts.

Furthermore, the filter screen, the axial flow fan and the air bag can be detached.

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

one, the utility model discloses a smoke exhaust effect is good, when taking place the conflagration and need to discharge fume, through axial fan work, axial fan's impeller rotates, with smog along the exhaust pipe discharge chamber in, prevent through the filter screen that impurity such as dust in the smog from getting into the exhaust pipe, prevent to pile up the dust in the exhaust pipe, influence the exhaust effect, through the water in the water storage intracavity, make the exhaust pipe have certain fire extinguishing action, when the first pipeline because the conflagration damages, the water in the water storage intracavity can flow out, put out a fire, the inert gas in the gasbag is released from the inlet pipe simultaneously, under the effect of inert gas, prevent the intensity of a fire from further spreading, prevent the exhaust pipe further damage, the exhaust effect of exhaust pipe is improved;

and secondly, the utility model discloses have the thermal-insulated effect of fire prevention, the fire-retardant board of first fire-retardant board that sets gradually through first pipeline, the fire prevention of outer body and interior body has been realized to the fire-retardant board of second that heat insulating board and third pipeline set up is thermal-insulated, the possibility that outer body and interior body damaged because the conflagration has been slowed down, prevent to lead to smoke exhaust effect to reduce because outer body and interior body damage, the enhancement pipe through the installation has strengthened the intensity of interior body, the possibility of interior body damage has been reduced, through a plurality of spiral deflectors that set up, smog can be discharged along a plurality of spiral deflectors, smoke exhaust rate has been accelerated, smoke exhaust effect has been improved.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the outer tube of the present invention;

fig. 3 is a schematic view of the inner tube structure of the present invention.

In the figure: 1. a smoke exhaust duct; 11. an air intake duct; 111. an intake valve; 12. a water inlet pipe; 121. a throttle valve; 2. an outer tubular body; 21. a first conduit; 211. a first conduit base layer; 212. a heat insulation plate; 213. a first flame retardant sheet; 22. a second conduit; 23. a connecting member; 24. a water storage cavity; 25. a seal ring; 3. an inner tube body; 31. a third pipeline; 311. a third conduit base layer; 312. a second flame retardant sheet; 32. a fourth conduit; 33. a reinforcement tube; 331. a spiral flow deflector; 34. an air bag; 4. an axial flow fan; 5. and (4) a filter screen.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3 heavily, a fire-fighting flue structure, which includes a smoke exhaust pipe 1, a filter screen 5 is installed on an inner wall of a smoke exhaust port of the smoke exhaust pipe 1, an axial flow fan 4 is installed at a rear end of the filter screen 5, a bottom of the axial flow fan 4 is fixedly connected with the inner wall of the smoke exhaust pipe 1, the smoke exhaust pipe 1 includes an outer pipe 2 and an inner pipe 3, an inner wall of the outer pipe 2 is connected with an outer wall of the inner pipe 3 through hot melting, the outer pipe 2 includes a first pipe 21 and a second pipe 22, a water storage cavity 24 is arranged between the inner wall of the first pipe 21 and the outer wall of the second pipe 22, the inner wall of the first pipe 21 is connected with a plurality of connecting members 23 through hot melting, one ends of the plurality of connecting members 23 far away from the inner wall of the first pipe 21 are fixedly connected with the outer wall of the second pipe 22, and the inner pipe 3 includes a third pipe 31 and a fourth pipe, an air bag 34 is installed between the inner wall of the third pipe 31 and the outer wall of the fourth pipe 32.

Please refer to fig. 1 again, an air inlet pipe 11 and a water inlet pipe 12 are installed on the outer wall of the smoke outlet of the smoke exhaust pipe 1 at equal intervals, the air inlet pipe 11 sequentially penetrates through the outer pipe 2 and the third pipe 31 and extends into the air bag 34, the water inlet pipe 12 penetrates through the first pipe 21 and extends into the water storage cavity 24, and an air inlet valve 111 and a throttle valve 121 are fixedly installed on the outer walls of the air inlet pipe 11 and the water inlet pipe 12 through bolts respectively. In the present embodiment, the air bag 34 is filled with inert gas through the air inlet pipe 11, water is stored in the water storage cavity 24 through the water inlet pipe 12, and the air filling and discharging of the air bag 34 and the water storage and discharging of the water storage cavity 24 are respectively realized by opening or closing the air inlet valve 111 and the throttle valve 121.

Referring to fig. 1 and 3, the filter screen 5, the axial flow fan 4, and the air bag 34 are detachable. In this embodiment, since the filter screen 5, the axial flow fan 4, and the air bag 34 are all detachable, the filter screen 5, the axial flow fan 4, and the air bag 34 are easily detached and replaced.

Referring to fig. 2-3 again, the first pipeline 21 includes a first pipeline base layer 211, the outer wall of the first pipeline base layer 211 is connected with a first flame retardant plate 213 by adhesive bonding, the inner wall of the first pipeline base layer 211 is connected with a heat insulation plate 212 by adhesive bonding, the third pipeline 31 includes a third pipeline base layer 311, the outer wall of the third pipeline base layer 311 is connected with a second flame retardant plate 312 by adhesive bonding, both ends of the water storage cavity 24 are connected with sealing rings 25 by hot melting, and the inner and outer walls of the two sealing rings 25 are respectively connected with the outer wall of the second pipeline 22 and the inner wall of the first pipeline 21 by hot melting. In the present embodiment, the first flame retardant plate 213, the heat insulating plate 212, and the second flame retardant plate 312 provided by the third duct 31 sequentially provided through the first duct 21 achieve the fireproof and heat insulation of the outer and

inner bodies

2 and 3, slow down the possibility of the outer and

inner bodies

2 and 3 being damaged by a fire, and prevent the reduction of the smoke exhaust effect caused by the damage of the outer and

inner bodies

2 and 3.

Please refer to fig. 3 again, the inner wall of the fourth pipeline 32 is connected with a reinforced pipe 33 in a hot melting manner, and a plurality of spiral flow deflectors 331 are spirally and alternately installed on the inner wall of the reinforced pipe 33. In this embodiment, the strength of the inner pipe body 3 is enhanced by the installed reinforcing pipe 33, the possibility of damage to the inner pipe body 3 is reduced, and smoke is discharged along the plurality of spiral flow deflectors 331 through the arranged spiral flow deflectors 331, so that the smoke discharging rate is increased, and the smoke discharging effect is improved.

The utility model discloses a concrete operation as follows:

when the utility model is used, firstly, the air inlet valve 111 and the throttle valve 121 are opened, inert gas is filled into the air bag 34 through the arranged air inlet pipeline 11, water is stored in the water storage cavity 24 through the water inlet pipeline 12, then the air inlet valve 111 and the throttle valve 121 are closed, when a fire disaster occurs and smoke needs to be discharged, the axial flow fan 4 works, the impeller of the axial flow fan 4 rotates to discharge the smoke out of the room along the smoke discharge pipeline 1, impurities such as dust in the smoke are prevented from entering the smoke discharge pipeline 1 through the filter screen 5, the dust is prevented from accumulating in the smoke discharge pipeline 1 to influence the smoke discharge effect, the smoke discharge pipeline 1 has a certain fire extinguishing effect through the water in the water storage cavity 24, when the first pipeline 21 is damaged due to the fire disaster, the water in the water storage cavity 24 can flow out to extinguish the fire, meanwhile, the inert gas in the air bag 34 is released from the air inlet pipeline 11, under, prevent that the exhaust pipe 1 from further damaging, reduce the smoke evacuation effect, the intensity of interior body 3 has been strengthened through the enhancement pipe 33 of installation, the possibility that interior body 3 damaged has been reduced, through a plurality of spiral flow deflector 331 that set up, smog can be discharged along a plurality of spiral flow deflector 331, smoke evacuation rate has been accelerated, the smoke evacuation effect has been improved, first fire-retardant board 213 that sets gradually through first pipeline 21, the fire prevention of outer body 2 and interior body 3 is thermal-insulated has been realized to the second fire-retardant board 312 that heat insulating board 212 and third pipeline 31 set up, the possibility that outer body 2 and interior body 3 damaged because of the conflagration has been slowed down, prevent to lead to the smoke evacuation effect to reduce because outer body 2 and interior body 3 damage.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides a fire protection flue structure, includes smoke exhaust pipe (1), its characterized in that, install filter screen (5) on the inner wall of smoke exhaust port of smoke exhaust pipe (1), axial fan (4) are installed to the rear end of filter screen (5), the bottom of axial fan (4) with the inner wall fixed connection of smoke exhaust pipe (1), just smoke exhaust pipe (1) includes outer body (2) and interior body (3), the inner wall of outer body (2) with the outer wall hot melt of interior body (3) is connected, outer body (2) are including first pipeline (21) and second pipeline (22), the inner wall of first pipeline (21) with be equipped with water storage chamber (24) between the outer wall of second pipeline (22), just hot melt is connected with a plurality of connecting pieces (23) on the inner wall of first pipeline (21), it is a plurality of the one end of first pipeline (21) inner wall with the outer wall of second pipeline (22) is fixed firmly to connecting pieces (23) The inner pipe body (3) comprises a third pipeline (31) and a fourth pipeline (32), and an air bag (34) is arranged between the inner wall of the third pipeline (31) and the outer wall of the fourth pipeline (32).

2. A fire flue structure according to claim 1, wherein the first duct (21) comprises a first duct base (211), the first duct base (211) has a first fire retardant panel (213) adhesively bonded to an outer wall thereof by adhesive bonding, and an insulating panel (212) is adhesively bonded to an inner wall of the first duct base (211).

3. A fire protection flue structure according to claim 1, wherein the third pipe (31) comprises a third pipe base layer (311), and a second fire retardant panel (312) is attached to an outer wall of the third pipe base layer (311) by adhesive bonding.

4. A fire flue structure according to claim 1, wherein the inner wall of the fourth pipe (32) is thermally fused with a reinforced pipe (33), and the inner wall of the reinforced pipe (33) is spirally and alternately provided with a plurality of spiral deflectors (331).

5. A fire protection flue structure according to claim 1, wherein both ends of the water storage chamber (24) are thermally fused with sealing rings (25), and inner and outer walls of the two sealing rings (25) are thermally fused with an outer wall of the second pipeline (22) and an inner wall of the first pipeline (21), respectively.

6. A fire protection flue structure according to claim 1, wherein an air inlet pipe (11) and an inlet pipe (12) are installed on the outer wall of the smoke outlet of the smoke exhaust pipe (1) at equal intervals, the air inlet pipe (11) sequentially penetrates through the outer pipe body (2) and the third pipe (31) and extends into the air bag (34), and the inlet pipe (12) penetrates through the first pipe (21) and extends into the water storage cavity (24).

7. A fire flue structure according to claim 6, wherein an air inlet valve (111) and a throttle valve (121) are fixedly mounted on the outer walls of the air inlet pipe (11) and the water inlet pipe (12) by bolts, respectively.

8. A fire flue structure according to claim 1, wherein the filter screen (5), the axial fan (4) and the air bag (34) are all detachable.