CN210599057U - Full-height platform door system subway station rail top air channel is platform system of discharging fume in coordination - Google Patents
Full-height platform door system subway station rail top air channel is platform system of discharging fume in coordination Download PDFInfo
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- CN210599057U CN210599057U CN201921056803.3U CN201921056803U CN210599057U CN 210599057 U CN210599057 U CN 210599057U CN 201921056803 U CN201921056803 U CN 201921056803U CN 210599057 U CN210599057 U CN 210599057U
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- 238000007599 discharging Methods 0.000 title claims description 18
- 239000003517 fume Substances 0.000 title claims description 13
- 239000000779 smoke Substances 0.000 claims abstract description 86
- 238000000605 extraction Methods 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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Abstract
The utility model discloses a full-height platform door system subway station rail top heat extraction system and platform fire smoke extraction system, which mainly comprises a station rail traveling area of a platform, a tunnel fan, a heat extraction fan, a large system smoke extraction fan, a rail bottom heat extraction air flue, a rail top heat extraction air flue and a rail top air flue side electric smoke extraction valve; when a fire disaster occurs at a station platform, a smoke exhaust system of a large system in a platform public area is started; and simultaneously, 1 heat exhausting fan and 1 tunnel fan at each end of the station are started, and a plurality of electric smoke exhaust valves on the side surface of the rail top air channel are opened to discharge smoke in cooperation with the platform public area, so that the related standard requirements are met under the condition that the shielding door is not opened, the evacuation safety of passengers or workers is improved, and the escape time of the workers is prolonged.
Description
Technical Field
The utility model belongs to subway station fire control field, concretely relates to full height platform door system subway station top of rail heat extraction system is platform conflagration system of discharging fume in coordination.
Background
At present, a platform smoke discharging scheme widely adopted by a domestic full-height platform door (shielded door) system subway station is to start a smoke discharging fan, a tunnel fan and a heat discharging fan in a public area at two ends of the station. The smoke exhaust fan in the station public area exhausts smoke through a smoke exhaust pipeline in the station public area, and the heat exhaust fan and the tunnel fan cooperatively exhaust the station smoke through a station track area by opening an end door of a shielding door or a group of sliding doors at the head and the tail of the shielding door so as to meet the requirement that airflow which can effectively prevent the smoke from spreading upwards exists at the positions of stairs and an escalator mouth from a station hall to the station platform in the subway design Specification (GB 50157 and 2013) and the downward airflow is not less than the wind speed of 1.5 m/s.
Because the heat exhausting fan and the tunnel fan cooperate with the platform to exhaust smoke, the end door of the shield door or a group of sliding doors at the head and the tail of the shield door must be opened to ensure that smoke in a platform public area can be smoothly exhausted to the outside through a track running area. The shielding door is opened, the risk that personnel fall into the rail row area when the platform is evacuated is increased, special workers need to be arranged to assist management at the position of the shielding door, so that the personnel are prevented from falling into the rail row area due to the fact that the sight is blocked by smoke, manual operation amount during fire disasters is increased, and the escape time of the workers during the fire disasters is delayed.
SUMMERY OF THE UTILITY MODEL
Aiming at least one of the defects or improvement requirements in the prior art, the utility model provides a full-height platform door system subway station rail top heat extraction system and a platform fire smoke exhaust system, when a fire disaster occurs at a station platform, the smoke exhaust system of a platform public area large system is opened; simultaneously starting 1 heat exhausting fan and 1 tunnel fan at two ends of a station, and opening a plurality of (4-8 on each side) electric smoke exhaust valves on the side surface of the rail top air channel to cooperate with a platform public area to exhaust smoke, so that under the condition of not opening a shield door, the related requirements of subway design specifications (GB 50157-; meanwhile, by arranging the electric smoke exhaust valve on the side surface of the rail top air channel, a special collaborative smoke exhaust system arranged at the end part of the platform public area is avoided, the occupation of pipeline space of the station platform public area and the equipment area is reduced, and the construction cost is reduced.
For realizing above-mentioned purpose, according to the utility model discloses an aspect provides a full height platform door system subway station roof heat extraction system is in coordination with platform conflagration system of discharging fume, wherein:
the system comprises a station rail traveling area of a platform, a tunnel fan, a hot air exhaust fan, a large system smoke exhaust fan, a rail bottom hot air exhaust channel, a rail top hot air exhaust channel and a rail top air channel side electric smoke exhaust valve;
two ends of the station rail traveling area are respectively provided with two tunnel fans, two ends of the station rail traveling area are also respectively provided with a piston air valve connected with the tunnel fans, and a communicated air valve is arranged between partition walls of a machine room where the two tunnel fans are located;
two ends of the station rail road area are respectively provided with a heat exhausting fan, and the upper part of the station rail road area is provided with a rail top heat exhausting air duct and a corresponding rail top heat exhausting air duct opening and closing electric air valve;
the side surface of the station rail road area is provided with a rail bottom heat exhausting hot air duct and a corresponding rail bottom heat exhausting hot air duct opening and closing electric air valve, and the heat exhausting machine exhausts air to the station rail road area through a gate valve at the bottom of the rail top air duct and a rail bottom heat exhausting hot air port at the side surface of the rail bottom heat exhausting hot air duct;
the heat exhausting fan is communicated with the platform public area through an electric smoke exhaust valve on the side surface of the rail top air duct; the large system smoke exhaust fan is communicated with the public area of the platform through a smoke exhaust port on the platform smoke exhaust pipe.
Preferably, the device also comprises a piston and mechanical wind pavilion and an exhaust pavilion;
the tunnel fan is connected to an outdoor piston and mechanical wind pavilion.
Preferably, the air exhaust pavilion is further included;
the heat exhausting fan and the large system smoke exhausting fan are connected to an outdoor exhaust pavilion.
Preferably, mufflers are arranged at the inlet end and the outlet end of the tunnel fan and the inlet end and the outlet end of the heat exhausting fan.
Preferably, the tunnel fan, the hot air exhaust machine and the large-system smoke exhaust fan are provided with corresponding interlocking air valves.
Preferably, the number of the electric smoke exhaust valves arranged on the side surface of each rail top air channel is multiple.
Preferably, the distance between the electric smoke exhaust valves on the side surfaces of the rail top air channel is considered to be no more than 30m away from any point plane of the platform public area.
Preferably, the electric smoke exhaust valves on the side surfaces of the two rail top air channels are arranged at the same position.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:
1. the utility model discloses a full height platform door system subway station rail top heat extraction system cooperates with platform fire smoke exhaust system, when the station platform breaks out a fire, opens the smoke exhaust system of the platform public area major system; simultaneously starting 1 heat exhausting fan and 1 tunnel fan at two ends of a station, and opening a plurality of (4-8 on each side) electric smoke exhaust valves on the side surface of the rail top air channel to cooperate with a platform public area to exhaust smoke, so that under the condition of not opening a shield door, the related requirements of subway design specifications (GB 50157-; meanwhile, by arranging the electric smoke exhaust valve on the side surface of the rail top air channel, a special collaborative smoke exhaust system arranged at the end part of the platform public area is avoided, the occupation of pipeline space of the station platform public area and the equipment area is reduced, and the construction cost is reduced.
2. The utility model discloses a full height platform door system subway station rail top heat extraction system is in coordination with platform conflagration system of discharging fume, under the platform conflagration operating mode, the smoke exhaust efficiency in platform public area has been improved to the electronic smoke damper that the heat extraction fan passes through rail top wind channel side in coordination with the flue gas that discharges platform public area conflagration produced, has increased the decurrent wind speed of stair mouth department, prevents that the flue gas from stretching to the one deck that makes progress, provides safety guarantee for platform personnel's evacuation simultaneously.
3. The utility model discloses a full height platform door system subway station top of rail heat extraction system is in coordination with platform conflagration system of discharging fume, has that the smoke discharging effect is good, the linkage is opened, the action is simple, easy to carry out etc. is showing the advantage.
4. The utility model discloses a full height platform door system subway station top of rail heat extraction system is in coordination with platform conflagration system of discharging fume, is convenient for promote, reference and use in the subway station, can energetically improve the reliability of platform system of discharging fume, has good social and economic benefits.
Drawings
Fig. 1 is a schematic structural view of a full-height platform door system subway station rail top heat extraction system cooperating with a platform fire smoke exhaust system according to an embodiment of the present invention;
FIG. 2 is a plan detail view of the rail top air duct, the side electric smoke exhaust valve and the bottom gate valve of the coordinated smoke exhaust system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to the following embodiments.
As a preferred embodiment of the present invention, as shown in fig. 1-2, the utility model provides a full height platform door system subway station rail top heat extraction system is in coordination with platform fire smoke exhaust system, mainly including setting up in station rail capable area 2 of platform 1 side, tunnel fan 3 at station room both ends, exhaust fan 4, major system exhaust fan 5 and connect to outdoor piston and machinery wind pavilion 10, the pavilion 11 of airing exhaust to and rail end row hot air flue 14, rail top row hot air flue 17, electronic smoke damper 20 etc. in rail top wind channel side.
Two ends of the station rail row area 2 are respectively provided with two tunnel fans 3 (one for one and one for standby), two ends of the station rail row area 2 are respectively provided with a piston air valve 7 connected with the tunnel fans 3, a communication air valve 8 is arranged between partition walls of a machine room where the two tunnel fans 3 are located, and the opening and closing of the tunnel fans 3 through the communication air valve 8 and the piston air valve 7 can realize simultaneous air exhaust of the station rail row area 2.
Two ends of the station track area 2 are respectively provided with a heat exhausting fan 4, the upper part of the station track area 2 is provided with a track top heat exhausting duct 17 and a corresponding track top heat exhausting duct on-off electric air valve 18, the side surface of the station track area 2 is provided with a track bottom heat exhausting duct 14 and a corresponding track bottom heat exhausting duct on-off electric air valve 15, and the heat exhausting fan 4 exhausts air to the station track area 2 through a track top duct bottom gate valve 19 at the bottom of the track top heat exhausting duct 17 and a track bottom heat exhausting hot air port 16 at the side surface of the track bottom heat exhausting duct 14.
The heat exhausting fan 4 is communicated with the public area of the platform 1 through a rail top air flue side electric smoke exhaust valve 20 arranged on the side surface of the rail top heat exhausting air flue 17; the large system smoke exhaust fan 5 is communicated with the public area of the platform 1 through a smoke exhaust port 13 on a platform smoke exhaust pipe 12.
The inlet and outlet ends of the tunnel fan 3 and the inlet and outlet ends of the hot air exhaust fan 4 are provided with silencers 6, and the tunnel fan 3, the hot air exhaust fan 4 and the large-system smoke exhaust fan 5 are provided with corresponding interlocking air valves 9.
When a fire disaster occurs in a public area of a station platform 1, the local railway station rail top heat extraction system cooperates with the platform fire smoke extraction system to realize the air exhaust of a station rail row area 2 by opening one tunnel fan 3 (the left and right lines are staggered and opened) at two ends of a station hall layer and opening and closing a piston air valve 7 and a communicated air valve 8, so that the rail row area 2 is forced to form negative pressure. And simultaneously, the large-system smoke exhaust fan 5 is started to exhaust smoke in the public area of the platform 1 through a smoke exhaust port 13 on a platform smoke exhaust pipe 12. Meanwhile, the heat exhausting fans 4 at two ends of the station are started, the rail bottom heat exhausting air channel of the rail bottom heat exhausting air channel 14 is closed, the electric air valve 15 is opened and closed, the opening degree of a rail top air channel bottom gate valve 19 at the bottom of the rail top heat exhausting air channel 17 is adjusted, the size of the amount of discharged smoke of the heat exhausting fans 4 in the public area of the platform 1 is eliminated through a rail top air channel side electric smoke exhaust valve 20 on the side of the rail top heat exhausting air channel 17, and smoke is exhausted in cooperation with the platform 1.
Because the tunnel fan is utilized to cooperate with the rail running area to form negative pressure, the suction effect of the heat exhausting fan on the rail running area of the station through the heat exhausting air port at the bottom of the rail top heat exhausting air channel is counteracted, more smoke in the public area of the platform is forced to be sucked from the electric smoke exhaust valve on the side surface of the rail top heat exhausting air channel, the purpose of cooperating with the platform for smoke exhaust is achieved, the wind speed from the station hall to the escalator of the platform floor meets the relevant requirements of the subway design specification (GB 50157 plus 2013), and the shielding door does not need to be opened through the exhaust of the rail top heat exhausting air channel, so that the evacuation safety of passengers or workers is improved, and the escape time of the workers is ensured; meanwhile, by arranging the electric smoke exhaust valve on the side surface of the rail top air channel, a special collaborative smoke exhaust system arranged at the end part of the platform public area is avoided, the occupation of pipeline space of the station platform public area and the equipment area is reduced, and the construction cost is reduced.
The utility model discloses a full height platform door system subway station rail top heat extraction system is in coordination with platform conflagration system of discharging fume, under the platform conflagration operating mode, the smoke exhaust efficiency in platform public area has been improved to the electronic smoke damper that the heat extraction fan passes through rail top wind channel side in coordination with the flue gas that discharges platform public area conflagration produced, has increased the decurrent wind speed of stair mouth department, prevents that the flue gas from stretching to the one deck that makes progress, provides safety guarantee for platform personnel's evacuation simultaneously.
The utility model discloses a full height platform door system subway station top of rail heat extraction system is in coordination with platform conflagration system of discharging fume, has that the smoke discharging effect is good, the linkage is opened, the action is simple, easy to carry out etc. is showing the advantage.
The utility model discloses a full height platform door system subway station top of rail heat extraction system is in coordination with platform conflagration system of discharging fume, is convenient for promote, reference and use in the subway station, can energetically improve the reliability of platform system of discharging fume, has good social and economic benefits.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a full height platform door standard subway station track top heat extraction system is platform conflagration system of discharging fume in coordination which characterized in that:
the system comprises a station rail traveling area of a platform, a tunnel fan, a hot air exhaust fan, a large system smoke exhaust fan, a rail bottom hot air exhaust channel, a rail top hot air exhaust channel and a rail top air channel side electric smoke exhaust valve;
two ends of the station rail traveling area are respectively provided with two tunnel fans, two ends of the station rail traveling area are also respectively provided with a piston air valve connected with the tunnel fans, and a communicated air valve is arranged between partition walls of a machine room where the two tunnel fans are located;
two ends of the station rail road area are respectively provided with a heat exhausting fan, and the upper part of the station rail road area is provided with a rail top heat exhausting air duct and a corresponding rail top heat exhausting air duct opening and closing electric air valve;
the side surface of the station rail road area is provided with a rail bottom heat exhausting hot air duct and a corresponding rail bottom heat exhausting hot air duct opening and closing electric air valve, and the heat exhausting machine exhausts air to the station rail road area through a gate valve at the bottom of the rail top air duct and a rail bottom heat exhausting hot air port at the side surface of the rail bottom heat exhausting hot air duct;
the heat exhausting fan is communicated with the platform public area through an electric smoke exhaust valve on the side surface of the rail top air duct; the large system smoke exhaust fan is communicated with the public area of the platform through a smoke exhaust port on the platform smoke exhaust pipe.
2. The full-height platform door system subway station rail top heat removal system and platform fire smoke removal system as claimed in claim 1, wherein:
the piston is also used as a mechanical wind pavilion and an exhaust pavilion;
the tunnel fan is connected to an outdoor piston and mechanical wind pavilion.
3. The full-height platform door system subway station rail top heat removal system and platform fire smoke removal system as claimed in claim 1, wherein:
the air exhaust pavilion is also included;
the heat exhausting fan and the large system smoke exhausting fan are connected to an outdoor exhaust pavilion.
4. The full-height platform door system subway station rail top heat removal system and platform fire smoke removal system as claimed in claim 1, wherein:
and mufflers are arranged at the inlet end and the outlet end of the tunnel fan and the inlet end and the outlet end of the heat exhaust fan.
5. The full-height platform door system subway station rail top heat removal system and platform fire smoke removal system as claimed in claim 1, wherein:
and the tunnel fan, the hot air exhaust machine and the large-system smoke exhaust fan are provided with corresponding interlocking air valves.
6. The full-height platform door system subway station rail top heat removal system and platform fire smoke removal system as claimed in claim 1, wherein:
the electric smoke exhaust valves on the side surface of each rail top air channel are arranged in a plurality of numbers.
7. The full-height platform door system subway station rail top heat removal system and platform fire smoke removal system of claim 6, wherein:
the distance between the electric smoke exhaust valves arranged on the side surfaces of the rail top air channels is considered to be no more than 30m away from any point plane of the platform public area.
8. The full-height platform door system subway station rail top heat removal system in cooperation with a platform fire smoke removal system as claimed in claim 7, wherein:
the electric smoke exhaust valves on the side surfaces of the two rail top air channels are arranged at the same position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056803.3U CN210599057U (en) | 2019-07-08 | 2019-07-08 | Full-height platform door system subway station rail top air channel is platform system of discharging fume in coordination |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056803.3U CN210599057U (en) | 2019-07-08 | 2019-07-08 | Full-height platform door system subway station rail top air channel is platform system of discharging fume in coordination |
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| CN210599057U true CN210599057U (en) | 2020-05-22 |
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| CN201921056803.3U Active CN210599057U (en) | 2019-07-08 | 2019-07-08 | Full-height platform door system subway station rail top air channel is platform system of discharging fume in coordination |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295939A (en) * | 2019-07-08 | 2019-10-01 | 中铁第四勘察设计院集团有限公司 | Road cooperates with platform smoke exhaust system to a kind of overall height gate standard subway station rail against the wind |
| CN112610265A (en) * | 2020-12-15 | 2021-04-06 | 中国安全生产科学研究院 | Multi-station collaborative ventilation and smoke exhaust system of short-distance dense station and control method |
-
2019
- 2019-07-08 CN CN201921056803.3U patent/CN210599057U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295939A (en) * | 2019-07-08 | 2019-10-01 | 中铁第四勘察设计院集团有限公司 | Road cooperates with platform smoke exhaust system to a kind of overall height gate standard subway station rail against the wind |
| CN112610265A (en) * | 2020-12-15 | 2021-04-06 | 中国安全生产科学研究院 | Multi-station collaborative ventilation and smoke exhaust system of short-distance dense station and control method |
| CN112610265B (en) * | 2020-12-15 | 2022-04-15 | 中国安全生产科学研究院 | Multi-station coordinated ventilation and smoke exhaust system and control method for short-distance dense stations |
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