CN115068854A - Flue gas treatment device for subway fire protection - Google Patents
Flue gas treatment device for subway fire protection Download PDFInfo
- Publication number
- CN115068854A CN115068854A CN202210772139.2A CN202210772139A CN115068854A CN 115068854 A CN115068854 A CN 115068854A CN 202210772139 A CN202210772139 A CN 202210772139A CN 115068854 A CN115068854 A CN 115068854A
- Authority
- CN
- China
- Prior art keywords
- air curtain
- smoke
- treatment device
- flue gas
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000003546 flue gas Substances 0.000 title claims abstract description 33
- 239000000779 smoke Substances 0.000 claims abstract description 40
- 230000000903 blocking effect Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 9
- 235000019504 cigarettes Nutrition 0.000 description 12
- 238000013461 design Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 4
- 230000007480 spreading Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F9/00—Use of air currents for screening, e.g. air curtains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a smoke treatment device for subway fire protection, which is used in cooperation with a smoke-blocking vertical wall, wherein an air curtain formed by airflow is sprayed out of an air outlet; the flue gas treatment device comprises an air curtain fan, the output end of the air curtain fan is connected with an air supply pipe, a guide vane is hinged in the passage of the air supply pipe and is in power connection with a vane motor, and the outlet of the air supply pipe is connected with a diffuser; the air curtain fan is connected with the air curtain end controller, the blade motor is connected with the blade end controller, and the air curtain end controller and the blade end controller are connected with the sensor. The invention can form a smoke-blocking air curtain, and the smoke-blocking air curtain is matched with the smoke-blocking vertical wall to play a smoke-blocking role together, so that in use, the wind speed and the wind direction are adjustable, the smoke-blocking effect is greatly improved, and more available evacuation time is provided for evacuation of people.
Description
Technical Field
The invention belongs to the technical field of flue gas treatment devices, and particularly relates to a flue gas treatment device for subway fire protection.
Background
The urban subway traffic construction in China develops rapidly, and the high frequency and the heavy loss of subway fire accidents and how to effectively prevent and control the fire become important points of people's attention. The subway station is buried underground deeply, the space is narrow, the personnel are highly dense, and once a fire disaster happens, the smoke spread is fast, the personnel are scattered slowly, the rescue is difficult and the like. When a fire disaster occurs in a platform area, the arrangement of an effective smoke blocking facility is an important means for preventing smoke from spreading to a station hall layer through escape stairs.
The current research mostly considers setting up the wall K that hangs down of keeping off the cigarette and stopping spreading of flue gas, and the joint application that combines the air curtain is less, and the applied field that the air curtain relates to is mainly the research in aspects such as air purification dust removal, air treatment and the conveying system of some structure business turn over wind, wherein, the wall K that hangs down of keeping off the cigarette is made with incombustible material, installs perpendicularly under building ceiling, crossbeam or furred ceiling, can form certain cigarette separating facilities that keep off of cigarette space during the conflagration, effectively blocks smog lateral flow under the building ceiling.
Therefore, the smoke treatment device for subway fire protection is provided to be matched with the smoke-blocking vertical wall K for use, and a good and effective smoke-blocking effect is formed.
Disclosure of Invention
In view of the problems raised by the above background art, the present invention is directed to: aims to provide a smoke treatment device for subway fire protection.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a smoke treatment device for subway fire protection is used in cooperation with a smoke-blocking vertical wall, an air curtain formed by airflow is sprayed out of an air outlet, and the air outlet of the smoke treatment device is positioned on one side, away from smoke, of the smoke-blocking vertical wall;
the smoke treatment device comprises an air curtain fan and fan blades arranged at the output end of the air curtain fan, the output end of the air curtain fan is connected with an air supply pipe, guide vanes are hinged in a channel of the air supply pipe and are in power connection with a vane motor, and an outlet of the air supply pipe is connected with a diffuser;
the air curtain fan is connected with the air curtain end controller, the blade motor is connected with the blade end controller, and the air curtain end controller and the blade end controller are connected with the sensors.
Further inject, the output of blade motor stretches into in the blast pipe, is connected with guide vane power, and such structural design drives guide vane rotation through the blade motor to adjust guide vane's water conservancy diversion direction, finally adjust air-out direction, the shaping direction of air curtain.
Further inject, the air curtain fan adopts servo motor, and such structural design for the regulation rotational speed that the air curtain fan can be accurate, thereby form the air curtain of suitable wind speed, more be favorable to keeping off the promotion of cigarette effect.
Further limit, the sensor includes one or more in flue gas detector, temperature detector and CO concentration detector, and such structural design surveys the flue gas through the flue gas detector, surveys the temperature through the temperature detector, surveys CO concentration through the CO concentration detector, all in time judges the condition of a fire through the detection of multielement finally.
Further inject, under the flue gas processing state of flue gas processing apparatus, the air curtain that generates is the tilt state of leaning towards the vertical wall that keeps off the cigarette, and such structural design for the component of air curtain effort can be met to the flue gas, and when flue gas concentration is great, the impact force is stronger, can effectively keep off the flue gas, avoids the flue gas to pass the air curtain.
Further, the initial angle of the air curtain in the inclined state is twenty degrees away from the vertical direction and is pointed to the ground, and the structural design is such that the smoke blocking effect of the air curtain at the angle is better.
The invention has the beneficial effects that:
1. can form and keep off the cigarette air curtain, the cooperation keeps off the cigarette and hangs down the wall and exert the effect of keeping off the cigarette jointly, and in the use, wind speed and wind direction are adjustable, have greatly improved and have kept off the cigarette effect, provide more available evacuation time for personnel's evacuation, have reached the purpose that realizes the air curtain effect better.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic layout of an embodiment of a flue gas treatment device for firefighting in a subway of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of a flue gas treatment device for firefighting in a subway of the present invention;
the main element symbols are as follows:
the device comprises an air supply pipe 1, guide vanes 2, a smoke detector 3, a temperature detector 4, a CO concentration detector 5, a sensor 6, an air curtain end controller 7, a vane end controller 8 and a diffuser 9.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1-2, the smoke treatment device for subway fire protection of the present invention is used in combination with a smoke-blocking vertical wall, and an air curtain formed by air flow is ejected from an air outlet, the air outlet of the smoke treatment device is located on the side of the smoke-blocking vertical wall away from smoke;
the flue gas treatment device comprises an air curtain fan and fan blades arranged at the output end of the air curtain fan, the output end of the air curtain fan is connected with an air supply pipe 1, guide vanes 2 are hinged in a channel of the air supply pipe 1, the guide vanes 2 are in power connection with a vane motor, and an outlet of the air supply pipe 1 is connected with a diffuser 9;
the air curtain fan is connected with an air curtain end controller 7, the blade motor is connected with a blade end controller 8, and the air curtain end controller 7 and the blade end controller 8 are connected with a sensor 6.
In the embodiment, the sensors 6 are arranged at intervals in different smoke-proof subareas of a subway station, the sensors 6 sense the change of smoke temperature value and CO concentration value in the station environment under the working condition of fire, the sensors 6 transmit the detection values to the air curtain end controller 7 and the blade end controller 8 in an electric signal mode, when the detection values exceed the standard range, the air curtain end controller 7 sends out an electric signal command to drive the air curtain fan to move according to the preset value, the fan blades rotate to generate an air curtain with proper wind speed, the wind speed is determined by the rotating speed of the air curtain fan (the wind speed is too low, the smoke cannot be well blocked, if the wind speed is too high, the airflow disturbance is increased, the nearby excessive wind speed is dispersed to two sides after colliding the ground, and the smoke passing through the air curtain is spread by the airflow dispersed to the stair side, so that the smoke blocking effect is greatly reduced), meanwhile, the blade end controller 8 can also send an electric signal instruction, and drives the guide vanes 2 to rotate by a specified angle according to a preset value, so that the air outlet direction is adjusted, and the outflow parameters of the air curtain, namely the outflow speed and the angle of the air curtain, are adjusted through the two adjustments, so that the optimal smoke blocking effect under the fire working condition is obtained;
secondly, the air outlet of the smoke treatment device is positioned on one side, away from the smoke, of the smoke blocking vertical wall, the smoke blocking vertical wall is used for transversely blocking the smoke, and an air curtain is formed behind the smoke treatment device, so that the smoke blocking vertical wall and the smoke blocking vertical wall can be effectively matched, and the smoke blocking effect is improved;
finally, the application of the smoke treatment device in the fire working condition plays a great role in the process of hindering the platform smoke from spreading to the station hall, the optimal air-out speed and angle of the air curtain not only avoid the problem that the outlet wind speed is too small and the good hindering effect cannot be achieved, but also avoid the problems that the airflow disturbance is increased and the smoke blocking effect is reduced due to the overlarge outlet wind speed, thereby providing more available evacuation time for the evacuation of people and achieving the purpose of better realizing the effect of the air curtain.
Preferably, the output end of the vane motor extends into the blast pipe 1 and is in power connection with the guide vanes 2, and the guide vanes 2 are driven to rotate by the vane motor through the structural design, so that the guide direction of the guide vanes 2 is adjusted, and finally the air outlet direction and the forming direction of the air curtain are adjusted. In fact, other mounting and connecting structures of the vane motor and the guide vane 2 may be specifically considered according to specific situations.
Preferably, the air curtain fan adopts servo motor, and such structural design for the regulation rotational speed that the air curtain fan can be accurate, thereby form the air curtain of suitable wind speed, more be favorable to keeping off the promotion of cigarette effect. In fact, other types of air curtain blowers may be specifically contemplated depending on the particular circumstances.
Preferably, the sensor 6 comprises one or more of a flue gas detector 3, a temperature detector 4 and a CO concentration detector 5, and the flue gas is detected by the flue gas detector 3, the temperature is detected by the temperature detector 4, the CO concentration is detected by the CO concentration detector 5, and finally the fire condition is timely judged by multi-element detection. In fact, other types of sensors 6 may be specifically considered as the case may be.
Preferably, under the flue gas processing state of flue gas processing apparatus, the air curtain that generates is the tilt state of leaning towards the vertical wall that keeps off the cigarette, and such structural design for the component of air curtain effort can be met to the flue gas, and when flue gas concentration is great, the impact force is stronger, can effectively keep off the flue gas, avoids the flue gas to pass the air curtain. In fact, other smoke blocking aspects of the air curtain may be specifically contemplated as the case may be.
Preferably, the initial angle of the air curtain in the inclined state is twenty degrees from the vertical direction and is pointed to the ground, and the structural design is such that the smoke blocking effect of the air curtain at the angle is better. In fact, other angles of the air curtain may be specifically contemplated depending on the particular circumstances.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a flue gas processing apparatus that subway fire control used which characterized in that: the smoke treatment device is used in cooperation with the smoke-blocking vertical wall, and an air curtain formed by airflow is sprayed out of the air outlet;
the smoke treatment device comprises an air curtain fan and fan blades arranged at the output end of the air curtain fan, the output end of the air curtain fan is connected with an air supply pipe (1), a guide vane (2) is hinged in a channel of the air supply pipe (1), the guide vane (2) is in power connection with a vane motor, and an outlet of the air supply pipe (1) is connected with an air diffuser (9);
the air curtain fan is connected with an air curtain end controller (7), the blade motor is connected with a blade end controller (8), and the air curtain end controller (7) and the blade end controller (8) are connected with a sensor (6).
2. The flue gas treatment device for subway fire protection as claimed in claim 1, wherein: the output end of the vane motor extends into the blast pipe (1) and is in power connection with the guide vanes (2).
3. The flue gas treatment device for subway fire protection as claimed in claim 1, wherein: the air curtain fan adopts a servo motor.
4. The flue gas treatment device for subway fire protection as claimed in claim 1, wherein: the sensor (6) comprises one or more of a smoke detector (3), a temperature detector (4) and a CO concentration detector (5).
5. The flue gas treatment device for subway fire protection as claimed in claim 1, wherein: and in the smoke treatment state of the smoke treatment device, the generated air curtain is in an inclined state deviating to the smoke blocking vertical wall.
6. The flue gas treatment device for subway fire protection as claimed in claim 5, wherein: the initial angle of the air curtain in the tilted state is twenty degrees off the vertical and is directed toward the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210772139.2A CN115068854A (en) | 2022-06-30 | 2022-06-30 | Flue gas treatment device for subway fire protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210772139.2A CN115068854A (en) | 2022-06-30 | 2022-06-30 | Flue gas treatment device for subway fire protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115068854A true CN115068854A (en) | 2022-09-20 |
Family
ID=83256848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210772139.2A Pending CN115068854A (en) | 2022-06-30 | 2022-06-30 | Flue gas treatment device for subway fire protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115068854A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201500395U (en) * | 2009-09-22 | 2010-06-09 | 公安部四川消防研究所 | High-temperature resistant smoke-preventing air curtain device |
| CN212282610U (en) * | 2020-05-20 | 2021-01-05 | 重庆大学 | Subway station passageway smoke protection system |
| CN112791326A (en) * | 2020-12-31 | 2021-05-14 | 中铁第四勘察设计院集团有限公司 | Smoke-proof and fire-proof air curtain for subway station |
| CN113566342A (en) * | 2021-08-18 | 2021-10-29 | 四川九门铁创交通技术有限公司 | Energy-saving device of subway station ventilation air-conditioning system and control method |
-
2022
- 2022-06-30 CN CN202210772139.2A patent/CN115068854A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201500395U (en) * | 2009-09-22 | 2010-06-09 | 公安部四川消防研究所 | High-temperature resistant smoke-preventing air curtain device |
| CN212282610U (en) * | 2020-05-20 | 2021-01-05 | 重庆大学 | Subway station passageway smoke protection system |
| CN112791326A (en) * | 2020-12-31 | 2021-05-14 | 中铁第四勘察设计院集团有限公司 | Smoke-proof and fire-proof air curtain for subway station |
| CN113566342A (en) * | 2021-08-18 | 2021-10-29 | 四川九门铁创交通技术有限公司 | Energy-saving device of subway station ventilation air-conditioning system and control method |
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Application publication date: 20220920 |
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