CN105525935A - Combined and closed subway station ventilation and air conditioning system and application thereof - Google Patents
Combined and closed subway station ventilation and air conditioning system and application thereof Download PDFInfo
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- CN105525935A CN105525935A CN201610054378.9A CN201610054378A CN105525935A CN 105525935 A CN105525935 A CN 105525935A CN 201610054378 A CN201610054378 A CN 201610054378A CN 105525935 A CN105525935 A CN 105525935A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
Abstract
The invention provides a combined and closed subway station ventilation and air conditioning system. The system comprises exhaust ducts and fresh air ducts, wherein the exhaust ducts and the fresh air ducts are communicated with accident air ducts through accident fan valves I and accident fan valves II respectively; an accident fan is arranged in each accident air duct, each accident air duct is communicated with a tunnel I and a tunnel II through a tunnel valve I and a tunnel valve II, an exhaust header pipe and a fresh air header pipe are arranged above each accident air duct, two ends of each exhaust header pipe are communicated with the corresponding exhaust duct and an exhaust fan respectively, two ends of each fresh air header pipe are communicated with the corresponding fresh air duct and a combined air conditioner, an exhaust valve is arranged on each exhaust header pipe, a fresh air valve is arranged on each fresh air header pipe, and each combined air conditioner and the corresponding exhaust fan are communicated with the corresponding station hall public area through a valve I and a valve II. A traditional piston air duct is omitted, air ducts of an interval tunnel ventilation system and the station air conditioning system are combined together, the building area is reduced, the accident fans and the station air conditioning system are separately arranged, a control system is simplified, and the maintenance workload is reduced.
Description
Technical field
The invention belongs to subway ventilation, air conditioner technical field, be specifically related to a kind of combination enclosed subway station ventilation and air conditioning system and application thereof.
Background technology
The integrated closed system that current domestic subway station extensively adopts is that two ends AT STATION correspond to each running tunnel and respectively establish an interval accident air channel (double do air delivery duct, station or exhast duct), an interval emergency fan (double do station ventilator or exhaust blower) is established in every bar accident air channel, every bar accident air channel is all communicated with by air-valve with two running tunnels, at interval fire or when blocking operating mode, changed by air-valve, can make often to hold two interval emergency fan parallel runnings, any tunnel is ventilated or discharged fume, large-scale surface cooler is set in air delivery duct, the interval double station of doing of emergency fan is sent, exhaust blower.
But, there is following defect in this integrated closed system that current subway station adopts: the urban road major trunk roads of (1) China are 30 ~ 40 meters, subsidiary road is 20 ~ 24 meters, branch road 14 ~ 18 meters, the civil engineering air channel width (with the line direction of subway for length direction) of integrated closed system reaches more than 60 meter, this air channel cannot be arranged down under existing urban road, the plot of road both sides must be entered, therefore cause the problem that subway removal amount increases, construction risk increases, increases construction investment, affects the duration; (2) a large amount of civil engineering air-conditioning road of this Operation system setting, does not meet the requirement of " public building energy design standard " (GB50189-2015) 4.3.20 bar; (3) the civil engineering air delivery duct of this integrated closed system is in construction, and often poorly sealed, heat insulation effect is bad, causes great energy waste; (4) ventilator of this integrated closed system, return fan are in low-frequency operation for a long time, do not run in equipment high efficiency district, cause equipment operating cost higher.
Summary of the invention
The object of the invention is the integrated closed system above shortcomings overcoming the employing of existing subway station, provide a kind of structure simple, cost is low, and enforcement facilitates and can realize the combination enclosed subway station ventilation and air conditioning system of subway station energy-saving run.
Technical scheme of the present invention there is provided a kind of combination enclosed subway station ventilation and air conditioning system, comprise exhast duct and fresh flue, all this arranges exhast duct and fresh flue to two ends, subway concourse public area, station, described exhast duct is communicated with accident air channel respectively by emergency fan valve one with emergency fan valve two with fresh flue, emergency fan is provided with in this accident air channel, described accident air channel is communicated with tunnel one by tunnel valve one, accident air channel is communicated with tunnel two by tunnel valve two, the top in described accident air channel is provided with air draft house steward and Xin wind house steward, the two ends of air draft house steward are communicated with exhast duct respectively and return exhaust blower, the two ends of new wind house steward are communicated with fresh flue and packaged air conditioner respectively, described air draft house steward is provided with valve for air exhaust, new wind house steward is provided with new air valve, be communicated with by valve one between described packaged air conditioner with subway concourse public area, station, return and be communicated with by valve two between exhaust blower with subway concourse public area, station.
Further, combinations thereof enclosed subway station ventilation and air conditioning system also comprises little fresh flue, little new blower fan is provided with in little fresh flue, be communicated with by valve for air exhaust between little fresh flue with air draft house steward, little fresh flue is communicated with by new air valve with new wind house steward, little fresh flue is communicated with by air channel valve one with between packaged air conditioner, is communicated with between little fresh flue with time exhaust blower by air channel valve two.
Further, the air channel between above-mentioned tunnel one and tunnel two is provided with tunnel valve three.
Further, noise damper one is provided with in said exhaust road and fresh flue.
Further, noise damper two is also provided with in above-mentioned accident air channel.
Further, middle effect and above strainer is provided with in combinations thereof formula air-conditioner.
Further, said exhaust house steward can also be interlayer exhast duct.
Further, above-mentioned new wind house steward can also be interlayer fresh flue.
Further, between combinations thereof formula air-conditioner and subway concourse public area, station, be provided with bellows one, return and be provided with bellows two between exhaust blower and subway concourse public area, station.
In addition, this combination enclosed subway station provided by the invention ventilation and air conditioning system both can be used for safety door standard station, can be applicable to again shield door standard station.
Beneficial effect of the present invention:
(1) together with ventilation system for sector tunnel of subway has been integrated into the air channel of station ventilation and air conditioning system by this combination enclosed subway station provided by the invention ventilation and air conditioning system, cancel traditional piston air channel, take full advantage of the space in accident air channel like this, substantially reduce station architecture area, reduce construction costs, through comparing standard station, this system saves civil engineering area 200m than integrated closed system
2, each seat coach station can direct saving construction investment more than 2,000,000.
(2) emergency fan and station air-conditioning system equipment set up separately by this combination enclosed subway station provided by the invention ventilation and air conditioning system, are conducive to simplified control system, are convenient to installation and debugging, reduce operation maintenance workload; Meanwhile, this system can meet subway sectional tunnel normal, block, fire, the various functions such as ventilation, air-conditioning in station.
(3) each equipment of this combination enclosed subway station provided by the invention ventilation and air conditioning system belongs to matured product, is easy to buying, installs and operation maintenance, greatly reduce maintenance difficulties, maintenance cost saving.
(4) this combination enclosed subway station provided by the invention ventilation and air conditioning system applied range, not only a line can adopt native system, also can adopt this system in an independent seat coach station; Not only be applied to safety door standard station, also can be applicable to shield door standard station, have a good application prospect.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention combines enclosed subway station ventilation and air conditioning system.
Fig. 2 be in Fig. 1 A-A to cross-sectional schematic.
Fig. 3 be in Fig. 1 B-B to cross-sectional schematic.
Description of reference numerals: 1, exhast duct; 2, fresh flue; 3, noise damper one; 4, emergency fan valve one; 5, emergency fan valve two; 6, emergency fan; 7, air draft house steward; 8, noise damper two; 9, new wind house steward; 10, tunnel one; 11, tunnel valve one; 12, tunnel valve three; 13, tunnel two; 14, tunnel valve two; 15, little fresh flue; 16, new air valve; 17, little new blower fan; 18, air channel valve one; 19, packaged air conditioner; 20, bellows one; 21, valve one; 22, valve for air exhaust; 23, air channel valve two; 24, exhaust blower is returned; 25, bellows two; 26, valve two; 27, interlayer fresh flue; 28, interlayer exhast duct; 29, air grille.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment:
As Fig. 1, shown in Fig. 2 and Fig. 3, present embodiments provide a kind of combination enclosed subway station ventilation and air conditioning system, comprise exhast duct 1 and fresh flue 2, all this arranges exhast duct 1 and fresh flue 2 to two ends, subway concourse public area, station, described exhast duct 1 is communicated with accident air channel respectively by emergency fan valve 1 with emergency fan valve 25 with fresh flue 2, emergency fan 6 is provided with in this accident air channel, described accident air channel is communicated with tunnel 1 by tunnel valve 1, accident air channel is communicated with tunnel 2 13 by tunnel valve 2 14, the top in described accident air channel is provided with air draft house steward 7 and new wind house steward 9, the two ends of air draft house steward 7 are communicated with exhast duct 1 respectively and return exhaust blower 24, the two ends of new wind house steward 9 are communicated with fresh flue 2 and packaged air conditioner 19 respectively, described air draft house steward 7 is provided with valve for air exhaust 22, new wind house steward 9 is provided with new air valve 16, be communicated with by valve 1 between described packaged air conditioner 19 with subway concourse public area, station, return between exhaust blower 24 with subway concourse public area, station and be communicated with by valve 2 26.
The present invention only need establish fresh flue and exhast duct, cancel traditional piston air channel, together with running tunnel ventilation system being integrated into the air channel of station ventilation and air conditioning system simultaneously, and interval emergency fan and station air-conditioning system equipment set up separately, take full advantage of the space in accident air channel like this, simplified control system, is convenient to installation and debugging, reduces operation maintenance workload; And can meet subway sectional tunnel normal, block, fire, the various functions such as ventilation, air-conditioning in station.
Further, the air channel between described tunnel 1 and tunnel 2 13 is provided with tunnel valve 3 12; Bellows 1 are provided with between described packaged air conditioner 19 and subway concourse public area, station, return and be provided with bellows 2 25 between exhaust blower 24 and subway concourse public area, station, bellows 1 and bellows 2 25 adopt all-metal airduct bellows, air-conditioner wind after cold treatment all send, arranges in the metal bellows bellows through insulation, farthest to reduce air-conditioning cold loss, compare the cold loss that integrated closed system can save more than 90%.
In addition, little new wind operating mode can be run to make this system, this combination enclosed subway station ventilation and air conditioning system also comprises little fresh flue 15, little new blower fan 17 is provided with in little fresh flue 15, little fresh flue 15 is communicated with by valve for air exhaust 22 with between air draft house steward 7, little fresh flue 15 is communicated with by new air valve 16 with new wind house steward 9, and little fresh flue 15 is communicated with by air channel valve 1 with between packaged air conditioner 19, is communicated with between little fresh flue 15 with time exhaust blower 24 by air channel valve 2 23.
During use, according to actual conditions and need to control different valve switch and meet instructions for use by frequency conversion fan, packaged air conditioner.
Be summarized as follows with regard to the fan condition of the various functional conditions of station air conditioner ventilation and the on off state of each valve:
1, when station, interval normal operation
1) when the little new wind operating mode of air-conditioning is run: open little new blower fan 17, packaged air conditioner 19 and return exhaust blower 24, close emergency fan 6, open air channel valve 1, valve 1, air channel valve 2 23 and valve 2 26, close new air valve 16 and valve for air exhaust 22, emergency fan valve 1, emergency fan valve 25, tunnel valve 1, tunnel valve 3 12 and tunnel valve 2 14 on closure of a tunnel 1 and tunnel 2 13.Packaged air conditioner 19 makes corresponding converting operation according to station passenger flow situation, in subway concourse public area, station, send air-conditioning cold wind, and time exhaust blower 24 is also done corresponding frequency conversion and carried out air-conditioning return air.
2) when air-conditioning all-fresh air operating mode is run: open packaged air conditioner 19 and return exhaust blower 24, close emergency fan 6 and little new blower fan 17, open new air valve 16, valve 1, valve for air exhaust 22 and valve 2 26, close air channel valve 1 and air channel valve 2 23, emergency fan valve 1, emergency fan valve 25, tunnel valve 1, tunnel valve 3 12 and tunnel valve 2 14 on closure of a tunnel 1 and tunnel 2 13.Packaged air conditioner 19 makes corresponding converting operation according to station passenger flow situation, in subway concourse public area, station, send air-conditioning cold wind, and time exhaust blower 24 is also done corresponding frequency conversion and carried out air draft.
3) ventilate run season time: close emergency fan 6, little new blower fan 17, packaged air conditioner 19 and return exhaust blower 24, closing emergency fan valve 1, emergency fan valve 25, tunnel valve 1, tunnel valve 3 12, tunnel valve 2 14, new air valve 16, air channel valve 1, valve 1, valve for air exhaust 22, air channel valve 2 23 and valve 2 26.Rely on the Piston Action Wind of train to carry out ventilation to running tunnel and station, meet metro operation needs.
2, during station fire
1) AT STATION subway concourse public area fire time: close emergency fan 6, little new blower fan 17 and packaged air conditioner 19, open back exhaust blower 24, open valve for air exhaust 22 and valve 2 26, close new air valve 16, air channel valve 1, valve 1 and air channel valve 2 23, emergency fan valve 1, emergency fan valve 25, tunnel valve 1, tunnel valve 3 12 and tunnel valve 2 14 on closure of a tunnel 1 and tunnel 2 13.Return exhaust blower 24 frequency conversion to discharge fume to subway concourse public area, station, carry out benefit wind by station entrance-exit.
2) when platform fire: close little new blower fan 17 and packaged air conditioner 19, open emergency fan 6 and return exhaust blower 24, open valve for air exhaust 22 and valve 2 26, open emergency fan valve 1, emergency fan valve 25, tunnel valve 1, tunnel valve 3 12 and the tunnel valve 2 14 on tunnel 1 and tunnel 2 13, close new air valve 16, air channel valve 1, valve 1 and air channel valve 2 23.Emergency fan 6 and time exhaust blower 24 are discharged fume to platform simultaneously, carry out benefit wind by the tunnel at station entrance-exit and two ends, station.
3, when interval obstruction, fire
1) when running tunnel 1 obstruction, fire: close little new blower fan 17, packaged air conditioner 19 and return exhaust blower 24, open emergency fan 6, open emergency fan valve 1, emergency fan valve 25, tunnel valve 1 and tunnel valve 3 12, closure of a tunnel valve 2 14, new air valve 16, air channel valve 1, valve 1, valve for air exhaust 22, air channel valve 2 23 and valve 2 26.Ventilation smoke exhaust is carried out by emergency fan 6 pairs of running tunnels 1.
2) when running tunnel 2 13 obstruction, fire: close little new blower fan 17, packaged air conditioner 19 and return exhaust blower 24, open emergency fan 6, open emergency fan valve 1, emergency fan valve 25, tunnel valve 3 12 and tunnel valve 2 14, closure of a tunnel valve 1, new air valve 16, air channel valve 1, valve 1, valve for air exhaust 22, air channel valve 2 23 and valve 2 26.Ventilation smoke exhaust is carried out by emergency fan 6 pairs of running tunnels 2 13.
Above-mentioned air draft house steward 7 can adopt interlayer exhast duct 28 to replace, same, and new wind house steward 9 can adopt interlayer fresh flue 27 to replace, and is embodied as principle selects to facilitate.
And in order to eliminate the noise that this system produces, being provided with noise damper 1 in described exhast duct 1 and fresh flue 2, in accident air channel, being also provided with noise damper 28, effectively prevent the noise pollution that surrounding environment is produced.
Preferably, effect and above strainer in being provided with in described packaged air conditioner 19, filtration treatment is carried out to air, pass through the air of filtration and cold treatment, all send in metal air channel, avoid the secondary in civil engineering air channel to play ash and pollution, make the air quality delivering to subway concourse public area, station reach excellent condition; Air draft in subway tunnel simultaneously, directly aspirates away the dust in tunnel and metal dust, and discharge chamber is outer or effectively filter, and this system can improve the air quality in station greatly.
Owing to not arranging large surface cooler in the accident air channel of present system, compare integrated closed system, shorten air channel width (with subway line direction for length direction) more than 20m, not only reduce civil engineering area, more substantially reduce removal engineering quantity.Standard station can be saved civil engineering air channel area than integrated closed system and is about 200m
2left and right, can save construction investment more than 2,000,000 yuan, and the removal expense of saving is considerable especially.In addition, return exhaust blower by power system capacity configuration, avoid low load with strong power, exhaust blower can be made back to operate in efficient district all the time, realize operation energy-conservation.
In addition, this combination enclosed subway station provided by the invention ventilation and air conditioning system applied range, not only a line can adopt native system, also can adopt this system in an independent seat coach station; Not only be applied to safety door standard station, also can be applicable to shield door standard station.Safety door station directly adopts this system, without the need to any variation; When being applied to screen door, can be realized by the following two kinds mode:
1) piston air channel is set in the end at screen door station, the Piston Action Wind in interval is caused outdoor.
2) for the screen door station that cannot arrange piston air channel, then carry out aeration-cooling by the emergency fan of this system to running tunnel; The roundabout air channel of station setting, is undertaken roundabout by the train Piston Action Wind of left and right line, avoids the shield door impacting station.
Because this system is better than integrated closed system greatly, integrated closed system will be replaced completely in the new line construction in future, be widely used in the subway construction of domestic and international various places.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (10)
1. a combination enclosed subway station ventilation and air conditioning system, comprise exhast duct (1) and fresh flue (2), two ends, subway concourse public area, station all arrange exhast duct (1) and fresh flue (2), it is characterized in that: described exhast duct (1) is communicated with accident air channel respectively by emergency fan valve one (4) with emergency fan valve two (5) with fresh flue (2), emergency fan (6) is provided with in this accident air channel, described accident air channel is communicated with tunnel one (10) by tunnel valve one (11), accident air channel is communicated with tunnel two (13) by tunnel valve two (14), the top in described accident air channel is provided with air draft house steward (7) and new wind house steward (9), the two ends of air draft house steward (7) are communicated with exhast duct (1) respectively and return exhaust blower (24), the two ends of new wind house steward (9) are communicated with fresh flue (2) and packaged air conditioner (19) respectively, described air draft house steward (7) is provided with valve for air exhaust (22), new wind house steward (9) is provided with new air valve (16), be communicated with by valve one (21) between described packaged air conditioner (19) with subway concourse public area, station, return between exhaust blower (24) with subway concourse public area, station and be communicated with by valve two (26).
2. combination enclosed subway station as claimed in claim 1 ventilation and air conditioning system, it is characterized in that: also comprise little fresh flue (15), little new blower fan (17) is provided with in little fresh flue (15), be communicated with by valve for air exhaust (22) between little fresh flue (15) with air draft house steward (7), little fresh flue (15) is communicated with by new air valve (16) with new wind house steward (9), be communicated with by air channel valve one (18) between little fresh flue (15) with packaged air conditioner (19), be communicated with by air channel valve two (23) between little fresh flue (15) with time exhaust blower (24).
3. combination enclosed subway station as claimed in claim 1 ventilation and air conditioning system, is characterized in that: the air channel between described tunnel one (10) and tunnel two (13) is provided with tunnel valve three (12).
4. combination enclosed subway station as claimed in claim 1 ventilation and air conditioning system, is characterized in that: be provided with noise damper one (3) in described exhast duct (1) and fresh flue (2).
5. combination enclosed subway station as claimed in claim 1 ventilation and air conditioning system, is characterized in that: be also provided with noise damper two (8) in described accident air channel.
6. combination enclosed subway station as claimed in claim 1 ventilation and air conditioning system, is characterized in that: be provided with middle effect and above strainer in described packaged air conditioner (19).
7. combination enclosed subway station as claimed in claim 1 ventilation and air conditioning system, is characterized in that: described air draft house steward (7) can also be interlayer exhast duct (28).
8. combination enclosed subway station as claimed in claim 1 ventilation and air conditioning system, is characterized in that: described new wind house steward (9) can also be interlayer fresh flue (27).
9. combination enclosed subway station as claimed in claim 1 ventilation and air conditioning system, it is characterized in that: between described packaged air conditioner (19) and subway concourse public area, station, be provided with bellows one (20), return and be provided with bellows two (25) between exhaust blower (24) and subway concourse public area, station.
10. the application of the combination enclosed subway station ventilation and air conditioning system as described in any one of claim 1 ~ 9, is characterized in that: this combination enclosed subway station ventilation and air conditioning system is used for safety door standard station or shield door standard station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054378.9A CN105525935B (en) | 2016-01-27 | 2016-01-27 | One kind combination enclosed subway station ventilation and air conditioning system and its application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054378.9A CN105525935B (en) | 2016-01-27 | 2016-01-27 | One kind combination enclosed subway station ventilation and air conditioning system and its application |
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| CN105525935A true CN105525935A (en) | 2016-04-27 |
| CN105525935B CN105525935B (en) | 2017-07-18 |
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| CN201610054378.9A Active CN105525935B (en) | 2016-01-27 | 2016-01-27 | One kind combination enclosed subway station ventilation and air conditioning system and its application |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060863A (en) * | 2017-01-05 | 2017-08-18 | 深圳市市政设计研究院有限公司 | A kind of subway tunnel relief hole blast control method and system |
| CN108756990A (en) * | 2018-07-17 | 2018-11-06 | 上海市城市建设设计研究总院（集团）有限公司 | Subway detour ventilating system with shield door and its operation method |
| CN109139079A (en) * | 2018-09-17 | 2019-01-04 | 中铁四院集团西南勘察设计有限公司 | Subway tunnel ventilating system |
| CN112523792A (en) * | 2020-12-09 | 2021-03-19 | 林同棪国际工程咨询（中国）有限公司 | Subway station platform smoke discharge control system and control method thereof |
| CN114033469A (en) * | 2021-10-14 | 2022-02-11 | 广州地铁设计研究院股份有限公司 | Subway tunnel cold air cooling environmental control system |
| CN115059998A (en) * | 2022-07-11 | 2022-09-16 | 青岛市地铁规划设计院有限公司 | Adjustable platform door ventilation air-conditioning system of subway station no-piston air shaft |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107060863A (en) * | 2017-01-05 | 2017-08-18 | 深圳市市政设计研究院有限公司 | A kind of subway tunnel relief hole blast control method and system |
| CN108756990A (en) * | 2018-07-17 | 2018-11-06 | 上海市城市建设设计研究总院（集团）有限公司 | Subway detour ventilating system with shield door and its operation method |
| CN108756990B (en) * | 2018-07-17 | 2023-08-04 | 上海市城市建设设计研究总院（集团）有限公司 | Metro detour ventilation system with shielding door and operation method thereof |
| CN109139079A (en) * | 2018-09-17 | 2019-01-04 | 中铁四院集团西南勘察设计有限公司 | Subway tunnel ventilating system |
| CN112523792A (en) * | 2020-12-09 | 2021-03-19 | 林同棪国际工程咨询（中国）有限公司 | Subway station platform smoke discharge control system and control method thereof |
| CN114033469A (en) * | 2021-10-14 | 2022-02-11 | 广州地铁设计研究院股份有限公司 | Subway tunnel cold air cooling environmental control system |
| CN114033469B (en) * | 2021-10-14 | 2023-05-19 | 广州地铁设计研究院股份有限公司 | Subway tunnel cold air cooling environmental control system |
| CN115059998A (en) * | 2022-07-11 | 2022-09-16 | 青岛市地铁规划设计院有限公司 | Adjustable platform door ventilation air-conditioning system of subway station no-piston air shaft |
| CN115059998B (en) * | 2022-07-11 | 2024-04-05 | 青岛市地铁规划设计院有限公司 | Adjustable platform door ventilation air conditioning system of piston-free air shaft of subway station |
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|---|---|
| CN105525935B (en) | 2017-07-18 |
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