CN212880654U - Ventilation structure of indoor emergency escape device - Google Patents

Abstract

The utility model provides an indoor fire control emergency escape device's structure of taking a breath, including the room of taking refuge, the rear end safety of room of taking refuge is equipped with the pipe of taking a breath, the pipe of taking a breath extends to install first filter screen on the outer one end inner wall of taking refuge, axial fan is installed to the front end of first filter screen, just the pipe of taking a breath includes outer body and interior body, the inner wall of outer body with be equipped with the water storage chamber between the outer wall of interior body, crisscross welded fastening has a plurality of hollow tubes, and is a plurality of on the inner wall of outer body the one end of hollow tube all runs through interior body extends to its internally mounted has the refrigeration jar, the blast pipe is installed to one side of room of taking a refuge, install the second filter screen on the one end inner wall of blast pipe, fixed mounting has the draught fan. The utility model discloses axial fan, scavenge pipe, draught fan, blast pipe, water storage chamber, hollow tube and refrigeration jar have realized the transport of cold air, have improved ventilation's effect.

Description

Ventilation structure of indoor emergency escape device

Technical Field

The utility model mainly relates to the technical field of fire emergency refuge, in particular to a ventilation structure of an indoor fire emergency refuge device.

Background

In the existing fire-fighting emergency refuge technology, because modern buildings are high, when a fire disaster occurs and people in a high-rise building cannot escape in time, an emergency refuge room is generally adopted for emergency refuge to wait for the rescue of fire fighters, but the existing emergency refuge room generally only adopts a common ventilation pipe for ventilation, when the number of people in the emergency refuge room is large, the content of carbon dioxide in the refuge room is high, the ventilation effect of the ventilation pipe is poor, the ventilation is not timely, the air quality in the refuge room is seriously reduced, the body health of people can be damaged, and even people are unconscious due to suffocation and the rescue difficulty is increased in serious cases. Therefore, there is a need to develop an air exchange structure of an indoor emergency evacuation device, which can improve the air exchange effect of an evacuation room and reduce the difficulty of rescue.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a ventilation structure of an indoor emergency evacuation device, which is used for solving the technical problem in the background technology.

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

an air exchange structure of an indoor emergency refuge device comprises a refuge chamber, wherein the rear end of the refuge chamber is horizontally provided with an air exchange pipe, one end of the air exchange pipe penetrates through the wall body of the refuge chamber, a first filter screen is arranged on the inner wall of one end of the air exchange pipe extending out of the refuge chamber, the front end of the first 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 scavenging duct, the air exchange tube comprises an outer tube body and an inner tube body, a water storage cavity is arranged between the inner wall of the outer tube body and the outer wall of the inner tube body, a plurality of hollow pipes are fixed on the inner wall of the outer pipe body in a staggered welding mode, one ends, far away from the outer pipe body, of the hollow pipes penetrate through the inner pipe body and extend to the interior of the inner pipe body to be provided with refrigeration tanks, and a plurality of water inlet holes are formed in the outer walls of the hollow pipes in a staggered penetrating mode;

the refuge chamber with one side horizontal installation that the scavenge pipe is adjacent has the blast pipe, install the second filter screen on the one end inner wall of blast pipe, just the blast pipe is kept away from the one end of second filter screen is run through the refuge chamber extends to its outside, fixed mounting has the draught fan on the inner wall of blast pipe, the draught fan is located the rear of second filter screen.

Further, the outer pipe body and the exhaust pipe both comprise pipe body base layers, two first flame-retardant plates are mounted on the outer wall of each pipe body base layer, and two first heat insulation plates are mounted on the inner wall of each pipe body base layer.

Furthermore, a water inlet pipeline is arranged on the outer wall of one end of the outer pipe body, the water inlet end of the water inlet pipeline is fixedly connected with the urban water conveying pipeline, the water outlet end of the water inlet pipeline penetrates through the outer pipe body and extends into the water storage cavity, and a throttle valve is installed on the outer wall of one end, far away from the outer pipe body, of the water inlet pipeline.

Furthermore, a plurality of the top ends of the refrigeration tanks are provided with air outlet pipelines which are vertically penetrated close to the outer edges.

Further, the refuge chamber comprises a wall body base layer, a second flame-retardant plate is fixedly mounted on the outer wall of the wall body base layer, a third flame-retardant plate is mounted on the inner wall of the wall body base layer, and a second heat insulation plate is mounted on the inner wall of the third flame-retardant plate.

Further, a door frame is installed on the inner side of the refuge chamber access, a sealing ring is installed on the inner side of the door frame, and a switch door is installed on one side of the door frame through a hinge.

Furthermore, the first filter screen, the axial flow fan, the second filter screen and the draught fan can be detached.

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

one of the advantages is that the utility model realizes ventilation of the refuge chamber, the ventilation effect is good, the axial flow fan works, the outside air is sent into the refuge chamber through the ventilation pipe, the draught fan works, carbon dioxide or other smoke gas generated by the respiration of people in the refuge chamber is discharged through the exhaust pipe, the ventilation of the refuge chamber is realized, when the temperature of the refuge chamber rises due to fire, the water entering the water storage cavity enters the refrigeration tank through the water inlet hole of the hollow pipe, and the refrigerant in the refrigeration tank reacts with the water, the refrigeration is realized, at the moment, the air sent into the refuge chamber from the outside through the axial flow fan is changed into cold air, the dry heat in the refuge chamber can be relieved, and the ventilation effect is improved;

and secondly, the utility model discloses have the thermal-insulated effect of fire prevention, through the first fire-retardant board and the heat insulating board that set gradually, realized that scavenge pipe and blast pipe fire prevention are thermal-insulated, prevent because conflagration damage scavenge pipe and blast pipe reduce the effect of taking a breath and exhausting, through the fire-retardant board of the second and the fire-retardant board of third that set gradually, realize the fire prevention of refuge room, realize the thermal-insulated of refuge room through the second heat insulating board, improve the possibility that people survive.

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 structural view of the ventilation tube of the present invention;

fig. 3 is a schematic structural view of the outer tube and the inner tube of the present invention;

FIG. 4 is a schematic view of the hollow tube structure of the present invention;

FIG. 5 is a schematic view of the exhaust pipe structure of the present invention;

fig. 6 is an enlarged view of region a in fig. 1.

In the figure: 1. a refuge chamber; 11. opening and closing the door; 12. a door frame; 121. a seal ring; 13. a second flame retardant sheet; 14. a wall body base layer; 15. a third flame retardant sheet; 16. a second heat insulation plate; 2. a ventilation tube; 21. a first filter screen; 22. a water storage cavity; 23. an outer tubular body; 231. a tube body base layer; 232. a first heat insulation plate; 233. a first flame retardant sheet; 24. a water inlet pipe; 241. a throttle valve; 25. an inner tube body; 26. a hollow tube; 261. a water inlet hole; 27. a refrigeration tank; 271. an air outlet pipe; 3. an exhaust pipe; 31. a second filter screen; 4. an axial flow fan; 5. an induced draft fan.

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. 1-6, a ventilation structure of an indoor emergency fire-fighting device, which includes a refuge chamber 1, a ventilation pipe 2 is horizontally installed at the rear end of the refuge chamber 1, one end of the ventilation pipe 2 penetrates through the wall of the refuge chamber 1, a first filter screen 21 is installed on the inner wall of one end of the ventilation pipe 2 extending to the outside of the refuge chamber 1, an axial flow fan 4 is installed at the front end of the first filter screen 21, the bottom of the axial flow fan 4 is fixedly connected with the inner wall of the ventilation pipe 2, the ventilation pipe 2 includes an outer pipe 23 and an inner pipe 25, a water storage cavity 22 is disposed between the inner wall of the outer pipe 23 and the outer wall of the inner pipe 25, a plurality of hollow pipes 26 are welded and fixed on the inner wall of the outer pipe 23 in a staggered manner, and one ends of the hollow pipes 26 far away from the outer pipe 23 extend through the inner pipe 25 to the interior of which a refrigeration tank 27 is installed, and a plurality of all crisscross running through on the outer wall of hollow tube 26 is equipped with a plurality of inlet openings 261, refuge room 1 go up with one side horizontal installation that scavenge pipe 2 is adjacent has blast pipe 3, install second filter screen 31 on the one end inner wall of blast pipe 3, just blast pipe 3 keeps away from the one end of second filter screen 31 is run through refuge room 1 extends to its outside, fixed mounting has draught fan 5 on the inner wall of blast pipe 3, draught fan 5 is located the rear of second filter screen 31, first filter screen 21 axial fan 4 the second filter screen 31 with draught fan 5 all can dismantle. In this embodiment, because first filter screen 21, axial fan 4, second filter screen 31 and draught fan 5 all can be dismantled, through the bolt fastening, consequently be convenient for maintain and change, when first filter screen 21 and second filter screen 31 need wash, can dismantle first filter screen 21 and second filter screen 31 through unscrewing the bolt, dismantle simply.

Please refer to fig. 1 again, a door frame 12 is installed inside the entrance of the refuge chamber 1, a sealing ring 121 is installed inside the door frame 12, and an opening and closing door 11 is installed on one side of the door frame 12 through a hinge. In the present embodiment, the door 11 is opened and closed to facilitate the entry of people into the chamber 1 for refuge, and the seal ring 121 prevents smoke from a fire from entering the chamber 1.

Please refer to fig. 3, the outer tube 23 and the exhaust pipe 3 both include tube base layers 231, the outer walls of the two tube base layers 231 are both provided with first flame retardant plates 233, the inner walls of the two tube base layers 231 are both provided with first heat insulation plates 232, the outer wall of one end of the outer tube 23 is provided with a water inlet pipe 24, the water inlet end of the water inlet pipe 24 is fixedly connected with a city water pipe, the water outlet end of the water inlet pipe 24 penetrates through the outer tube 23 and extends into the water storage cavity 22, and the outer wall of one end of the water inlet pipe 24 away from the outer tube 23 is provided with a throttle valve 241. In this embodiment, through the first fire-retardant board 233 and the first heat insulating board 232 that set gradually, realized scavenge pipe 2 and blast pipe 3 fire prevention thermal-insulated, prevent to reduce the effect of taking a breath and exhausting because fire damage scavenge pipe 2 and blast pipe 3, because the intake end and the city conduit fixed connection of inlet channel 24 open choke valve 241, constantly supply water to water storage chamber 22 through inlet channel 24.

Please refer to fig. 4 again, the top ends of the refrigeration tanks 27 are provided with air outlet pipes 271 vertically penetrating the top ends near the outer edges. In the present embodiment, the refrigerant is stored in the refrigeration tank 27, and the gas generated by the reaction of the refrigerant and water is transported out through the gas outlet pipe 271.

Please refer to fig. 6 again, the refuge chamber 1 includes a wall body base layer 14, a second flame retardant plate 13 is fixedly installed on the outer wall of the wall body base layer 14, a third flame retardant plate 15 is installed on the inner wall of the wall body base layer 14, and a second heat insulation plate 16 is installed on the inner wall of the third flame retardant plate 15. In the present embodiment, the second flame retardant plate 13 and the third flame retardant plate 15 are provided in this order to prevent fire in the evacuation chamber 1, and the second heat insulating plate 16 insulates the evacuation chamber 1, thereby increasing the possibility of survival of people.

The utility model discloses a concrete operation as follows:

when a fire occurs, firstly, the switch door 11 is opened, a person enters the refuge chamber 1, then the switch door 11 is closed, smoke generated by the fire is prevented from entering the refuge chamber 1 through the sealing ring 121, then the axial flow fan 4 works, outside air is sent into the refuge chamber 1 through the ventilation pipe 2, the induced draft fan 5 works, carbon dioxide or other smoke gas generated by the breathing of the person in the refuge chamber 1 is discharged through the exhaust pipe 3, the ventilation of the refuge chamber 1 is realized, when the temperature of the refuge chamber 1 rises due to the fire, the throttle valve 241 is opened, water is continuously supplied to the water storage cavity 22 through the water inlet pipe 24, the water entering the water storage cavity 22 enters the refrigeration tank 27 through the water inlet hole 261 of the hollow pipe 26, the refrigerant in the refrigeration tank 27 reacts with the water, the refrigeration is realized, and at the moment, the air conveyed into the refuge chamber 1 from the outside through the axial flow fan 4 is changed into, can alleviate the dry heat in refuge room 1, the effect of ventilation has been improved, prevent through first filter screen 21 and second filter screen 31 that impurity such as dust from piling up and influencing the ventilation effect on the inner wall of scavenge pipe 2 and blast pipe 3, hydroenergy in the water storage chamber 22 reduces the possibility that scavenge pipe 2 is burnt by fire simultaneously, certain fire prevention effect has, through the first fire retardant plate 233 and the first heat insulating board 232 that set gradually, it is thermal-insulated to have realized scavenge pipe 2 and blast pipe 3 fire prevention, prevent to damage scavenge pipe 2 and blast pipe 3 because of the conflagration, reduce the effect of taking a breath and exhaust, through the fire retardant plate 13 of second and the fire retardant plate 15 that set gradually, realize refuge room 1's fire prevention, realize refuge room 1's thermal-insulated through second heat insulating board 16, improve the possibility that people survive.

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 (7)

1. A ventilation structure of an indoor emergency fire-fighting device comprises a refuge chamber (1), and is characterized in that a ventilation pipe (2) is horizontally installed at the rear end of the refuge chamber (1), one end of the ventilation pipe (2) penetrates through the wall of the refuge chamber (1), a first filter screen (21) is installed on the inner wall of one end, extending out of the refuge chamber (1), of the ventilation pipe (2), a axial flow fan (4) is installed at the front end of the first filter screen (21), the bottom of the axial flow fan (4) is fixedly connected with the inner wall of the ventilation pipe (2), the ventilation pipe (2) comprises an outer pipe body (23) and an inner pipe body (25), a water storage cavity (22) is arranged between the inner wall of the outer pipe body (23) and the outer wall of the inner pipe body (25), and a plurality of hollow pipes (26) are welded and fixed on the inner wall of the outer pipe body (23) in a staggered manner, one ends of the hollow pipes (26) far away from the outer pipe body (23) extend through the inner pipe body (25) to the inside of which a refrigeration tank (27) is installed, and the outer walls of the hollow pipes (26) are provided with a plurality of water inlet holes (261) in a staggered and penetrating manner;

refuge room (1) go up with one side horizontal installation that scavenge pipe (2) are adjacent has blast pipe (3), install second filter screen (31) on the one end inner wall of blast pipe (3), just blast pipe (3) are kept away from the one end of second filter screen (31) is run through refuge room (1) extends to its outside, fixed mounting has draught fan (5) on the inner wall of blast pipe (3), draught fan (5) are located the rear of second filter screen (31).

2. An indoor fire emergency escape device ventilation structure, according to claim 1, wherein the outer tube (23) and the exhaust pipe (3) each comprise a tube base layer (231), the outer walls of the two tube base layers (231) are each provided with a first flame retardant plate (233), and the inner walls of the two tube base layers (231) are each provided with a first heat insulation plate (232).

3. The ventilation structure of an indoor emergency shelter device, as claimed in claim 2, wherein a water inlet pipe (24) is provided on the outer wall of one end of the outer tube (23), the water inlet end of the water inlet pipe (24) is fixedly connected with a city water pipe, the water outlet end of the water inlet pipe (24) extends into the water storage cavity (22) through the outer tube (23), and a throttle valve (241) is installed on the outer wall of one end of the water inlet pipe (24) away from the outer tube (23).

4. An indoor emergency shelter air exchange structure as claimed in claim 1, wherein air outlet pipes (271) are vertically arranged at the top ends of the refrigeration tanks (27) close to the outer edges.

5. An indoor fire emergency refuge device ventilation structure as claimed in claim 1, wherein the refuge chamber (1) comprises a wall base layer (14), a second flame retardant plate (13) is fixedly installed on the outer wall of the wall base layer (14), a third flame retardant plate (15) is installed on the inner wall of the wall base layer (14), and a second heat insulation plate (16) is installed on the inner wall of the third flame retardant plate (15).

6. An indoor emergency escape device ventilation structure, according to claim 5, characterized in that a door frame (12) is installed inside the entrance of the escape room (1), a sealing ring (121) is installed inside the door frame (12), and a switch door (11) is installed on one side of the door frame (12) through a hinge.

7. An indoor emergency escape device's structure of taking a breath according to claim 1, characterized in that, the first filter screen (21), the axial fan (4), the second filter screen (31) and the induced draft fan (5) all can be dismantled.

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