CN211290114U - Smoke prevention and exhaust system - Google Patents
Smoke prevention and exhaust system Download PDFInfo
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- CN211290114U CN211290114U CN201922129125.5U CN201922129125U CN211290114U CN 211290114 U CN211290114 U CN 211290114U CN 201922129125 U CN201922129125 U CN 201922129125U CN 211290114 U CN211290114 U CN 211290114U
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Abstract
The utility model discloses a prevent system of discharging fume, include: smoke protection module and smoke exhaust module, smoke protection module includes: induced duct, forced draught fan, air supply shaft and a plurality of supply-air outlet, be provided with on the induced duct of induced duct and purify the subassembly, purify the subassembly and include: the outer circumference of the frame is fixedly arranged on an outer folded edge of the air inlet through a flange; the smoke evacuation module includes: the smoke exhaust device comprises a plurality of smoke exhaust ports, smoke exhaust branch pipes, a smoke exhaust main pipe and a smoke exhaust fan, wherein a smoke exhaust valve is arranged in each smoke exhaust port, and the smoke exhaust valve is in a normally closed state and has air leakage quantity. The smoke exhaust valve of the utility model controls the opening and closing of each smoke exhaust port, is convenient to operate and optimizes the smoke exhaust effect; the purification assembly of the smoke prevention module purifies air sent into the evacuation channel, and safety is guaranteed.
Description
Technical Field
The utility model relates to a prevent system of discharging fume.
Background
The smoke prevention and exhaust system is of great importance, is directly related to life safety, is arranged in various office buildings, residential buildings, shopping malls and basements, and accords with national fire safety regulations. However, fire safety regulations are only the terms of warranty, and in practical application, the fire safety regulations also have the situation of not working in place.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a system of preventing discharging fume.
The utility model provides a technical scheme that above-mentioned technical problem adopted is: a smoke evacuation prevention system comprising: a smoke-proof module and a smoke-discharging module,
the smoke prevention module comprises: the air supply shaft is vertically communicated with a common wall body of a fire-fighting front chamber and a fire-fighting stair, and the air supply port is formed in the wall body of the fire-fighting stair or the fire-fighting front chamber and is directly communicated with the air supply shaft; be provided with on the induced air mouth of induced duct and purify the subassembly, purify the subassembly and include: the outer circumference of the frame is fixedly arranged on an outer folded edge of the air inlet through a flange;
the smoke evacuation module includes: the system comprises a plurality of smoke outlets, smoke exhaust branch pipes, a smoke exhaust main pipe and a smoke exhaust fan, wherein the smoke outlets are arranged on a ceiling or a wall surface close to the ceiling of each room or each section of walkway, the smoke exhaust branch pipes are hung in the ceiling, at least one smoke outlet is communicated with the smoke exhaust branch pipes, the smoke exhaust branch pipes are respectively communicated with the smoke exhaust main pipe, the smoke exhaust fan is arranged outdoors, one end of the smoke exhaust fan is connected with the smoke exhaust main pipe, the other end of the smoke exhaust fan is connected with a section of air pipe, and one end; and a smoke exhaust valve is arranged in the smoke exhaust port, is in a normally closed state and has air leakage.
Further comprising: the fire control console controls the fans and the valves of the smoke prevention module and the smoke exhaust module respectively, and after the fire control console receives the alarm signal, the smoke prevention module and the smoke exhaust module are operated to make corresponding actions.
The inside of the main pipe of discharging fume is equipped with the second fire prevention valve, and the second fire prevention valve is installed inside the main pipe of discharging fume passes building wall's outdoor tube section, is close to smoke exhaust fan's entrance, and the second fire prevention valve is normal open state, and the fire prevention valve has the temperature fuse, can close when the interior flue gas temperature of pipeline reaches 280 ℃ during the conflagration, and simultaneous linkage control smoke exhaust fan stops the operation.
The inside of induced duct is equipped with first fire prevention valve, and for normally open state, it has the temperature fuse in the fire prevention valve, can close when the air temperature reaches 70 ℃ in the pipeline, and linkage control forced draught fan stops the operation simultaneously.
The smoke exhaust valve is a pneumatic multi-page air volume adjusting valve, and a smoke concentration sensor is further arranged on the smoke exhaust port and used for detecting the smoke concentration passing through the corresponding smoke exhaust pipeline and adjusting the smoke exhaust amount of the corresponding smoke exhaust valve according to the smoke concentration.
And a manual opening device for controlling the smoke exhaust valve is arranged on the wall surface adjacent to the smoke exhaust port, and comprises a reset operation key and an opening key.
The air supply outlet corresponding to the fire-fighting stairway is a normally open shutter air port or a self-hanging air port, the air supply outlet is arranged every two to three layers in the fire-fighting stairway, the air supply outlet corresponding to the fire-fighting antechamber is an electric air port which is selectively opened, and a control valve is arranged on the air supply outlet.
And a filter screen is arranged in the smoke exhaust branch pipe and close to the smoke exhaust port.
The smoke exhaust fan is a centrifugal fan or a special axial flow smoke exhaust fan, and the pressurizing fan is a centrifugal fan.
And a fireproof door closer is additionally arranged on each fireproof door in the building and is connected with a fire control console.
Compared with the prior art, the beneficial effects of the utility model are that:
a smoke exhaust valve is arranged on a smoke exhaust port at the tail end of the smoke exhaust module, the smoke exhaust valve is in a normally closed state, can be opened when a fire disaster or the smoke exhaust fan needs to be opened, and is linked to open the smoke exhaust fan, only the required smoke exhaust port is opened in the smoke exhaust process of the smoke exhaust fan, so that the smoke exhaust efficiency of the smoke exhaust fan is increased, and the unnecessary smoke exhaust port is not opened; the smoke discharging module is also provided with a smoke concentration sensor for detecting the smoke concentration passing through the corresponding smoke discharging pipeline, the smoke discharging valve is a pneumatic multi-page air quantity regulating valve, when a plurality of ignition points exist, the smoke discharging quantity of each smoke discharging port is regulated according to the smoke concentration, the operation is convenient, and the smoke discharging effect is optimized;
the purification component is arranged on the induced draft port at the head end of the smoke-proof module and purifies the air sent into the evacuation channel, so that firstly, the smoke or other dust of the outdoor environment is prevented from entering the room, the breath of escape personnel in the evacuation channel is influenced, secondly, the booster fan also has a protection effect, and meanwhile, the purification component cannot be too compact in order not to influence the air supply efficiency;
the fire door closer is additionally arranged on the fire door, and can ensure that the fire door is in a normally closed state to block smoke when a fire disaster occurs.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced, wherein:
fig. 1 is a schematic view of the installation of the preferred embodiment of the present invention in a building;
FIG. 2 is a connection diagram of a smoke protection module according to a preferred embodiment of the present invention;
fig. 3 is a connection diagram of smoke evacuation modules according to a preferred embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.
Referring to fig. 1 to 3, a smoke prevention and exhaust system according to a preferred embodiment of the present invention mainly includes: the smoke prevention module is communicated with a fire stair A and a fire control front chamber B of various buildings, the fire stair and the fire control front chamber are fire control evacuation channels, and the smoke exhaust module is communicated with rooms and walkways C of the various buildings.
The smoke prevention module includes: the air guiding pipe 11 and the pressurizing fan 12 are arranged outdoors, one end of the pressurizing fan 12 is connected with the air guiding pipe 11, the other end of the pressurizing fan is connected with a bottom port of the air supply shaft 13 through a pipeline, the air supply shaft 13 is arranged in a wall of a building in a vertically penetrating mode, air supply ports 14 are formed in the wall of each layer of fire stairs or fire front rooms, and the air supply ports 14 are directly communicated with the air supply shaft 13. According to present fire control regulation, when evacuating the crowd, must directly get into fire control stair through the fire control antechamber, consequently all can have a shared wall body between the two, and must install fire door according to the requirement on the wall body, air supply shaft 13 then can set up in the common wall body of fire control antechamber and fire control stair, can open air supply opening 14 simultaneously on the double-phase opposite face of air supply shaft 13 like this, correspond fire control antechamber B and fire control stair A respectively, reduce air supply shaft 13 quantity, reduce the construction degree of difficulty.
Be provided with on the induced air mouth of induced duct 11 and purify the subassembly, purify the subassembly and include: two layers of dust collecting plates 151 and a filtering inner core 152 clamped between the two dust collecting plates 151, wherein the filtering inner core 152 can be a filter screen, a cotton core, activated carbon and the like, the outer side edge of the layer structure is wrapped with a frame 153, and the outer circumference of the frame 153 is fixedly arranged on the outer folded edge of the air induction port through a flange 154 to purify the air sent into the evacuation channel.
The air supply outlet corresponding to the fire stair is a normally open shutter air port or a self-hanging air port, generally has no electric function, and only one air supply outlet is arranged every two to three layers in the fire stair. The air supply opening corresponding to the fire control antechamber is usually an electric air opening which is selectively opened, and a control valve is arranged on the air supply opening, and the control valve is selectively opened according to the situation.
The first fire damper 16 is installed in the induced duct 11 and is in a normally open state, a temperature fuse is arranged in the fire damper, and the first fire damper is closed when the air temperature in the duct reaches 70 ℃ in a fire disaster, and the pressurizing fan 12 is controlled to stop operating through the linkage of a relay. The fire-proof valve meets the requirements of fire-resistant stability and fire-resistant integrity within a certain time, and has the functions of smoke isolation and fire retardation.
The booster fan 12 is preferably a centrifugal fan.
The module of discharging fume includes: a plurality of exhaust ports 21, branch pipe 22 of discharging fume, main pipe 23 of discharging fume and smoke exhaust fan 24, exhaust port 21 sets up on the ceiling of every room or every section walk or the wall that is close to the ceiling, this kind of large-scale indoor space of store can all cut apart into a plurality of smoke protection subregion through keeping off the cigarette vertical wall usually, every subregion is equivalent to every room, also all should set up exhaust port 21, branch pipe 22 of discharging fume is hoist and mount inside the ceiling usually, exhaust port 21 directly communicates on branch pipe 22 of discharging fume, for optimizing the circuit, can communicate a plurality of exhaust ports 21 on a row of cigarette pipe 22, many branch pipes 22 one end of discharging fume communicate respectively on main pipe 23 of discharging fume, main pipe 23 of discharging fume sets up in the building from top to bottom, smoke exhaust fan 24 sets up outdoors, main pipe 23 of discharging fume is connected to one end of smoke exhaust fan 24, the other end connects one section tuber pipe, tuber pipe one end.
A filter screen 27 is arranged in the smoke exhaust branch pipe 22 close to the smoke exhaust port 21 and is used for filtering out large floating ash after burning in smoke.
The smoke outlet 21 is typically a plate-type smoke outlet, and various decorative rims or the like are typically designed on the smoke outlet for aesthetic design.
A smoke exhaust valve 25 is arranged in the smoke exhaust port 21, the smoke exhaust valve 25 is in a normally closed state and meets the requirement of air leakage, a manual opening device for controlling the smoke exhaust valve is arranged on the wall surface adjacent to the smoke exhaust port 21, and the manual opening device comprises a reset operation key and an opening key. In case of fire or need, the smoke exhaust valve 25 is manually or electrically opened, and only the required smoke exhaust port is opened in the smoke exhaust process of the smoke exhaust fan, so that the smoke exhaust efficiency of the smoke exhaust fan is increased, and the unnecessary smoke exhaust port is not opened.
The smoke exhaust valve 25 is a pneumatic multipage air volume regulating valve, a smoke concentration sensor is further arranged on the smoke exhaust port 21 and used for detecting smoke concentration passing through a corresponding smoke exhaust pipeline, and when a plurality of ignition points exist, the smoke exhaust volume of each smoke exhaust port is regulated according to the smoke concentration.
The second fire damper 26 is installed in the main smoke exhaust pipe 23, the second fire damper 26 is installed in the main smoke exhaust pipe 23 penetrating through an outdoor pipe section of a building wall body and close to an inlet of the smoke exhaust fan 24, the second fire damper 26 is in a normally open state and is provided with a temperature fuse, and when a fire disaster occurs, the second fire damper is closed when the temperature of smoke in the pipe reaches 280 ℃, and meanwhile, the smoke exhaust fan 24 is controlled to stop operating through linkage of a relay. The fire-proof valve meets the requirements of fire-resistant stability and fire-resistant integrity within a certain time, and has the functions of smoke isolation and fire retardation.
The smoke exhaust fan 24 adopts a centrifugal fan or a special axial flow smoke exhaust fan, and has the performance requirements as follows: the operation was continued for 30 minutes after the flue gas reached 280 ℃.
The utility model discloses still include: the fire control console, each building should be furnished with the fire control console, and the fire control console controls smoke protection module and smoke evacuation module respectively, and the fire control console still is connected with the various warning ends that set up in the building, and the warning end can be fire alarm, smoke detector alarm or temperature detector alarm etc. after the fire control console received alarm signal, the staff can make the response immediately before the platform, and control smoke protection module and smoke evacuation module make corresponding action. The smoke prevention module is generally started by the electric control of the fire control console, the smoke exhaust module can be started by the electric control of the fire control console, and the smoke exhaust fan 24 can also be started by opening the smoke exhaust valve 25 in a linkage manner after people find fire.
The fire door closer is additionally arranged on each fire door in the building and connected with the fire control console, and when a fire disaster occurs, the fire door closer can ensure that the fire door is in a normally closed state but is not locked to block smoke.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make any simple modification, equivalent change and modification to the above embodiments according to the technical spirit of the present invention without departing from the scope of the present invention.
Claims (10)
1. A smoke evacuation prevention system comprising: smoke protection module and smoke exhaust module, its characterized in that:
the smoke prevention module comprises: the air supply shaft is vertically communicated with a common wall body of a fire-fighting front chamber and a fire-fighting stair, and the air supply port is formed in the wall body of the fire-fighting stair or the fire-fighting front chamber and is directly communicated with the air supply shaft; be provided with on the induced air mouth of induced duct and purify the subassembly, purify the subassembly and include: the outer circumference of the frame is fixedly arranged on an outer folded edge of the air inlet through a flange;
the smoke evacuation module includes: the system comprises a plurality of smoke outlets, smoke exhaust branch pipes, a smoke exhaust main pipe and a smoke exhaust fan, wherein the smoke outlets are arranged on a ceiling or a wall surface close to the ceiling of each room or each section of walkway, the smoke exhaust branch pipes are hung in the ceiling, at least one smoke outlet is communicated with the smoke exhaust branch pipes, the smoke exhaust branch pipes are respectively communicated with the smoke exhaust main pipe, the smoke exhaust fan is arranged outdoors, one end of the smoke exhaust fan is connected with the smoke exhaust main pipe, the other end of the smoke exhaust fan is connected with a section of air pipe, and one end; and a smoke exhaust valve is arranged in the smoke exhaust port, is in a normally closed state and has air leakage.
2. The system of claim 1, further comprising: the fire control console controls the fans and the valves of the smoke prevention module and the smoke exhaust module respectively, and after the fire control console receives the alarm signal, the smoke prevention module and the smoke exhaust module are operated to make corresponding actions.
3. The system of claim 1, wherein the second fire damper is installed inside the main pipe, the second fire damper is installed inside the outdoor pipe section of the main pipe passing through the building wall, and is close to the entrance of the smoke exhaust fan, the second fire damper is in a normally open state, the fire damper has a thermal fuse, and the fire damper is closed when the temperature of the smoke in the pipe reaches 280 ℃ in case of fire, and simultaneously the smoke exhaust fan is controlled to stop operating in a linkage manner.
4. The system of claim 1, wherein the first fire damper is installed inside the induced draft tube and is in a normally open state, a temperature fuse is installed in the fire damper, and the fire damper is closed when the air temperature in the duct reaches 70 ℃, and the pressurized fan is controlled to stop operating in a linkage manner.
5. The system for preventing and discharging smoke according to claim 1, wherein the smoke exhaust valve is a pneumatic multipage air volume adjusting valve, and a smoke concentration sensor is further arranged on the smoke exhaust port and used for detecting the smoke concentration passing through the corresponding smoke exhaust pipeline and adjusting the smoke exhaust amount of the corresponding smoke exhaust valve according to the smoke concentration.
6. The system of claim 1, wherein the wall adjacent to the smoke exhaust port is provided with a manual opening device for controlling the smoke exhaust valve, and the manual opening device comprises a reset operation key and an opening key.
7. The system of claim 1, wherein the supply air ports corresponding to the fire stairs are normally open louver air ports or self-hanging type air ports, one supply air port is provided every two to three levels in the fire stairs, the supply air port corresponding to the fire front room is a selectively opened electric air port, and a control valve is installed on the supply air port.
8. The smoke evacuation prevention system of claim 1 wherein a screen is disposed within the smoking tube proximate the smoke outlet.
9. The system of claim 1, wherein the smoke exhaust fan is a centrifugal fan or a dedicated axial flow smoke exhaust fan, and the booster fan is a centrifugal fan.
10. The system of claim 2, wherein a fire door closer is added to each fire door in the building, and the fire door closer is connected to the fire control console.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922129125.5U CN211290114U (en) | 2019-11-29 | 2019-11-29 | Smoke prevention and exhaust system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922129125.5U CN211290114U (en) | 2019-11-29 | 2019-11-29 | Smoke prevention and exhaust system |
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| Publication Number | Publication Date |
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| CN211290114U true CN211290114U (en) | 2020-08-18 |
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| CN201922129125.5U Active CN211290114U (en) | 2019-11-29 | 2019-11-29 | Smoke prevention and exhaust system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202239A (en) * | 2021-05-17 | 2021-08-03 | 长沙理工大学 | Emergency safety stair assembly for high-rise building |
| CN113669829A (en) * | 2021-09-27 | 2021-11-19 | 南京铜安建设工程有限公司 | Fire engineering ventilation system that discharges fume |
| CN113776146A (en) * | 2021-09-09 | 2021-12-10 | 北京城建集团有限责任公司 | Ventilation filtering device for civil air defense engineering |
| CN116792847A (en) * | 2023-08-21 | 2023-09-22 | 江苏华洋新思路能源装备股份有限公司 | High-sealing smoke-discharging ventilating fireproof valve |
-
2019
- 2019-11-29 CN CN201922129125.5U patent/CN211290114U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202239A (en) * | 2021-05-17 | 2021-08-03 | 长沙理工大学 | Emergency safety stair assembly for high-rise building |
| CN113202239B (en) * | 2021-05-17 | 2022-10-21 | 长沙理工大学 | Emergency safety stair assembly for high-rise building |
| CN113776146A (en) * | 2021-09-09 | 2021-12-10 | 北京城建集团有限责任公司 | Ventilation filtering device for civil air defense engineering |
| CN113669829A (en) * | 2021-09-27 | 2021-11-19 | 南京铜安建设工程有限公司 | Fire engineering ventilation system that discharges fume |
| CN116792847A (en) * | 2023-08-21 | 2023-09-22 | 江苏华洋新思路能源装备股份有限公司 | High-sealing smoke-discharging ventilating fireproof valve |
| CN116792847B (en) * | 2023-08-21 | 2023-12-05 | 江苏华洋新思路能源装备股份有限公司 | High-sealing smoke-discharging ventilating fireproof valve |
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