CN104775840A - Long and big subway tunnel longitudinal ventilation and smoke discharging system with mutually-standby smoke discharging air passages at two sides - Google Patents
Long and big subway tunnel longitudinal ventilation and smoke discharging system with mutually-standby smoke discharging air passages at two sides Download PDFInfo
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- CN104775840A CN104775840A CN201510170883.5A CN201510170883A CN104775840A CN 104775840 A CN104775840 A CN 104775840A CN 201510170883 A CN201510170883 A CN 201510170883A CN 104775840 A CN104775840 A CN 104775840A
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- Prior art keywords
- tunnel
- smoke discharging
- longitudinal ventilation
- subsequent use
- smoke
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- 239000000779 smoke Substances 0.000 title claims abstract description 69
- 238000009423 ventilation Methods 0.000 title claims abstract description 41
- 238000007599 discharging Methods 0.000 title abstract 7
- 230000002441 reversible effect Effects 0.000 claims abstract description 19
- 230000002146 bilateral effect Effects 0.000 claims description 19
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 238000009792 diffusion process Methods 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 239000003546 flue gas Substances 0.000 description 13
- 231100000614 poison Toxicity 0.000 description 5
- 230000007096 poisonous effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a long and big subway tunnel longitudinal ventilation and smoke discharging system with mutually-standby smoke discharging air passages at two sides. The system comprises a single-hole tunnel and a middle separating wall, wherein the middle separating wall is used for dividing the single-hole tunnel into double-track tunnels; two end openings of the single-hole tunnel are respectively provided with jet fans; the middle part of the single-hole tunnel is provided with reversible axial flow accident fans which are communicated with tunnels arranged at two sides of the single-hole tunnel through a high temperature flue. According to the system disclosed by the invention, an evacuation strategy for managing in-place personnel evacuation and an operating strategy of a smoke discharging system when a train is forced to stop in a long and big tunnel due to a fire of the long and big tunnel are put forward for the first time; the system has the advantages that the damage to the environment by a partitioned vertical shaft/inclined shaft scheme is well avoided, the construction difficulty, the first investment cost and the operating cost are reduced to a large extent, the arrangement of the mutually-standby smoke discharging air passages which are arranged at the two sides are respectively convenient for reasonably managing smoke gas diffusion, an application range of longitudinal ventilation and smoke discharging can be enlarged on the premise that the ventilation effectiveness and the personnel evacuation safety are ensured, and good economic benefit and good social benefit are obtained.
Description
Technical field
The present invention relates to one to grow up subway tunnel unsteady flo w multiple movement bodies fire longitudinal ventilation smoke evacuation system, more particularly, the present invention relates to the fire longitudinal ventilation smoke evacuation system of a kind of bilateral for single hole subway tunnel of growing up smoke duct for subsequent use each other.
Background technology
In recent years, along with the day by day maturation of the technology such as China's high ferro, subway, also expand year by year in the tunnel scale of building and newly come into operation, also develop for the ventilation smoke exhaust technology tackling tunnel fire hazard thereupon.According to statistics, tunnel fire hazard frequency is about 2 times/10
8car km.For major long tunnel, once breaking out of fire, cause safely huge threat by personal security and tunnel structure.
At present, domestic tunnel Fire smoke evacuation scheme length being greater than to 3Km, the following three types of general employing:
1. Longitudinal Ventilation smoke evacuation scheme;
2. transverse type ventilation smoke exhaust scheme;
3. semi-transverse ventilation smoke evacuation scheme.
In the scheme of above three types, Longitudinal Ventilation smoke evacuation scheme (i.e. longitudinal ventilation combine with vertical shaft/inclined shaft segmented ventilation smoke exhaust mode) few with its initial cost, that operating cost is low significant advantage is widely adopted; Transverse type and semi-transverse ventilation smoke evacuation scheme need to build independent air-supply or air draft (cigarette) air channel, therefore construction investment and equipment operation maintenance cost are significantly higher than Longitudinal Ventilation smoke evacuation scheme.Described transverse type ventilation smoke exhaust scheme and Longitudinal Ventilation are discharged fume compared with scheme, and every kilometer need increase investment 2,000 ten thousand yuan to 2,500 ten thousand yuan.But some mountain tunnel or river (sea) tunnel, the end, due to the restriction of execution conditions, the arranging to cause the ecological environment (scenic spot) of surrounding of the comparatively large or vertical shaft/inclined shaft of the difficulty of construction of vertical shaft/inclined shaft scheme has a strong impact on, and the later stage of vertical shaft/inclined shaft is run, maintenance condition difficulty, thus limit the application of longitudinal ventilation smoke evacuation scheme, so that be forced to adopt initial cost is comparatively large, operating cost is higher transverse type or semi-transverse ventilation smoke evacuation scheme.
Those skilled in the art all know, subway circulation peak period grow up in subway tunnel, before and after often occurring, two trains are present in situation in tunnel simultaneously, that is: the time interval of driving a vehicle before and after two trains, within 2-3 minute, is interposed between 2-3km between the distance of two train travels.If the front truck now travelled in tunnel is forced to be parked in tunnel inner tissue evacuating personnel because afterbody breaking out of fire can not continue to travel, so, the high-temperature flue gas that fire produces will spread along tunnel, and brings huge threat to the passenger of rear car.Therefore, the ventilation smoke exhaust scheme of subway tunnel of growing up, must ensure the security of the lives and property of all personnel in the train of front and back two simultaneously.
Summary of the invention
Object of the present invention is exactly the subway tunnel longitudinal ventilation smoke evacuation system of growing up providing a kind of bilateral smoke duct for subsequent use each other for the problem of prior art.
Technical scheme of the present invention is:
The subway tunnel longitudinal ventilation smoke evacuation system of growing up of a kind of bilateral smoke duct for subsequent use each other, comprise single hole tunnel, two ports in described tunnel are respectively arranged with jet blower, be provided with the midfeather single hole tunnel being divided into double track tunnel in described tunnel, the middle part in described tunnel is provided with the reversible axial flow emergency fan that high-temperature flue communicates with its tunnel, both sides.
The jet blower being arranged on two ports in described tunnel and the reversible axial flow emergency fan that is arranged in the middle part of described tunnel are respectively by bolt and tunnel wall connecting.
Smoke duct for subsequent use when described reversible axial flow emergency fan forms offside breaking out of fire each other by the tunnel of described high-temperature flue and its both sides.
Described jet blower is arranged on top or the sidepiece of two ports in described tunnel.
The quantity of described jet blower is one or more groups, and often group is 2, is set to 4 groups totally 8 in the present invention.
The quantity of described reversible axial flow emergency fan is one or more groups, and often group is 2, is set to 2 groups totally 4 in the present invention.
The invention has the beneficial effects as follows:
(1) setting of bilateral smoke duct for subsequent use each other, extend the effect scale of Longitudinal Ventilation smoke evacuation scheme, compared to the transverse type being forced in prior art adopt or semi-transverse ventilation smoke evacuation scheme, can significantly reduce initial cost and operating cost, be specially adapted to subway tunnel of growing up.
(2) setting of bilateral smoke duct for subsequent use each other, can the axial flow emergency fan being arranged at both sides, tunnel be utilized high-temperature flue gas to be discharged to the opposite side tunnel emptied when the breaking out of fire of side, tunnel, outside the discharge tunnel that the high-temperature flue gas that rationalization's fire produces is orderly.
(3) setting of bilateral smoke duct for subsequent use each other, can to come across before and after two trains in tunnel and front truck breaking out of fire time, rationalization's flue gas diffusion, while providing new wind for front truck passenger, not only create the advantage making its safe escape, and ensure the security of the lives and property of rear car passenger simultaneously.
(4) ventilation smoke exhaust scheme of the present invention, significantly reduce the difficulty of construction of engineering, and avoid subregion vertical shaft/inclined shaft scheme to the destruction of environment, the scope of application of longitudinal ventilation smoke evacuation can be expanded under the prerequisite guaranteeing ventilation effectiveness and evacuating personnel safety, there is good economic benefit and social benefit.
(5) operation reserve of Evacuation Strategies that establishment officer on the spot evacuates and smoke evacuation system is proposed when major long tunnel fire causes train to be forced to be parked in tunnel first, Disaster Prevention Design for major long tunnel provides new thinking and countermeasure, and is that relevant codes and standards provide theories integration and Technical Reference.
(6) scope of application of longitudinal ventilation smoke evacuation scheme is expanded, the blank for bilateral tunnel ventilating shaft longitudinal ventilation smoke evacuation organization scheme for subsequent use each other in domestic and international related specifications has been filled up in the setting of bilateral smoke duct, fire for major long tunnel is prevented and reduced natural disasters significant, is also the useful supplement of the staff in tunnel safe escape strategy to prior art.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the structural representation in C-C cross section in Fig. 1;
Fig. 3 is the structural representation in D-D cross section in Fig. 1.
Detailed description of the invention
In order to make technical scheme of the present invention more easily be understood, below in conjunction with the embodiment of single hole subway tunnel of growing up of accompanying drawing and 4km, it is described in detail.
With reference to Fig. 1, the subway tunnel longitudinal ventilation smoke evacuation system of growing up of bilateral of the present invention smoke duct for subsequent use each other, comprises single hole tunnel 1; A port in described tunnel 1 is provided with jet blower 2-1,2-2,2-3 and 2-4, and another port in described tunnel 1 is provided with jet blower 2-5,2-6,2-7 and 2-8; Be provided with along its length in described tunnel 1 and the tunnel 1 in single hole is divided into the tunnel, A side of two-wire and the midfeather 3 in tunnel, B side; The middle part in described tunnel 1 is provided with reversible axial flow emergency fan 5-1,5-2,5-3 and 5-4, described reversible axial flow emergency fan 5-1,5-2,5-3 and 5-4 communicate with the tunnel, A side of both sides and tunnel, B side respectively respectively by described high-temperature flue 6, to make tunnel, A side and tunnel, B side interconnected logical in breaking out of fire phase, thus become the smoke duct for subsequent use of offside when offside breaking out of fire.
With reference to Fig. 2, according to job site situation, be arranged on jet blower 2-1,2-2,2-3,2-4,2-5,2-6,2-7 and the 2-8 at 1 two port tops, described tunnel, can as shown in Figure 2 respectively by the wall connecting at bolt and top, described tunnel 1, also can respectively by the wall connecting of bolt and described tunnel 1 sidepiece.
With reference to Fig. 3, be arranged on reversible axial flow emergency fan 5-1,5-2,5-3 and 5-4 in the middle part of described tunnel 1 wall connecting respectively by bolt and top, described tunnel 1.
The setting of described smoke duct, can make the tunnel, A side of two-wire and tunnel, B side become bilateral smoke duct for subsequent use each other.If the tunnel breaking out of fire of A side, can in time by being arranged on reversible axial flow emergency fan 5-1,5-2,5-3 and 5-4 in the middle part of described tunnel 1 and high-temperature flue 6 by poisonous high-temperature flue gas discharged to tunnel, B side, thus reduce and avoid fire to the harm of personal security and tunnel structure safety.Otherwise, if the tunnel breaking out of fire of B side, also can in time by being arranged on reversible axial flow emergency fan 5-1,5-2,5-3 and 5-4 in the middle part of described tunnel 1 and high-temperature flue 6 by poisonous high-temperature flue gas discharged to tunnel, A side, thus reduce and avoid fire to the harm of personal security and tunnel structure safety.
The start and stop of described jet blower 2-1,2-2,2-3,2-4,2-5,2-6,2-7 and 2-8 and reversible axial flow emergency fan 5-1,5-2,5-3 and 5-4, control by subway station control centre is unified.
Referring to the embodiment shown in Fig. 1 and the cross section structure shown in composition graphs 2, Fig. 3, technique effect of the present invention is described:
When the front truck 4-2 afterbody in tunnel, A side is forced to be parked in tunnel because breaking out of fire runs out of steam, poisonous high-temperature flue gas constantly will be gushed out from fire location 7;
Now, after Subway Control Center receives fire signal, artificial startup is arranged on jet blower 2-1,2-2,2-3,2-4,2-5,2-6,2-7 and 2-8 of two ends, described tunnel 1 port, the wind direction of tunnel, both sides tissue is guided to point to the opposite direction of tunnel, A side driving, start reversible axial flow emergency fan 5-1,5-2,5-3 and 5-4 of being arranged in the middle part of described tunnel 1 simultaneously, guide wind direction by tunnel, A side to the tunnel, B side of non-accident of accident, and the vehicle of existence in the tunnel, B side emptying non-accident;
The front truck 4-2 of breaking out of fire on the spot establishment officer evacuates outside described tunnel 1 in order in face of the new wind direction (i.e. the direction of traffic in tunnel, A side) that described jet blower 2-7 and 2-8 introduces, described reversible axial flow emergency fan 5-1, 5-2, 5-3 and 5-4 then by high-temperature flue gas by high-temperature flue 6 discharged to the tunnel, B side emptied, and by described jet blower 2-1, the opposite direction that poisonous high-temperature flue gas is driven a vehicle to tunnel, A side from tunnel, B side by 2-2 discharges tunnel, high-temperature flue gas is avoided to spread to rear car 4-1 in tunnel, A side, thus create conditions for rear car 4-1 establishment officer evacuates, the rear car 4-1 opposite direction (i.e. rear portion, tunnel) that establishment officer drives a vehicle to tunnel, A side is on the spot evacuated rapidly.
In like manner, when in tunnel, B side during (direction of traffic as shown in Figure 1) breaking out of fire, high-temperature flue gas in tunnel is passed through the A side tunnel of high-temperature flue 6 discharged to non-accident by described reversible axial flow emergency fan 5-1,5-2,5-3 and 5-4, and discharges tunnel by the opposite direction that poisonous high-temperature flue gas is driven a vehicle from tunnel, A side to tunnel, B side by described jet blower 2-7 and 2-8.
In sum, technical scheme of the present invention is based on longitudinal ventilation smoke evacuation scheme, utilize the offside tunnel that emptied as smoke duct for subsequent use, can very effective by the high-temperature flue gas of fire side discharged to offside tunnel, thus ensure the safe escape of fore-aft vehicle personnel in tunnel, fire side; Meanwhile, due to without the need to arranging independently horizontal smoke duct or longitudinal smoke shaft, reducing initial cost and difficulty of construction, expanding the scope of application of longitudinal ventilation smoke evacuation organization scheme.
Above with reference to drawings and Examples, schematically describe technical scheme of the present invention, this description is not restricted.Those skilled in the art will be understood that in actual applications, and in the present invention, some change all may occur each technical characteristic, and other staff also may make similar Design under its enlightenment.Special needs to be pointed out is: only otherwise depart from design aim of the present invention, all apparent variations in detail or similar Design, be all included within protection scope of the present invention.
Claims (8)
1. the subway tunnel longitudinal ventilation smoke evacuation system of growing up of bilateral smoke duct for subsequent use each other, comprise single hole tunnel, it is characterized in that: two ports in described tunnel are respectively arranged with jet blower, be provided with the midfeather single hole tunnel being divided into double track tunnel in described tunnel, the middle part in described tunnel is provided with the reversible axial flow emergency fan that high-temperature flue communicates with its tunnel, both sides.
2. the subway tunnel longitudinal ventilation smoke evacuation system of growing up of bilateral according to claim 1 smoke duct for subsequent use each other, is characterized in that: the jet blower being arranged on two ports in described tunnel and the reversible axial flow emergency fan that is arranged in the middle part of described tunnel are respectively by bolt and tunnel wall connecting.
3. the subway tunnel longitudinal ventilation smoke evacuation system of growing up of bilateral according to claim 1 smoke duct for subsequent use each other, is characterized in that: smoke duct for subsequent use when described reversible axial flow emergency fan forms offside breaking out of fire each other by the tunnel of described high-temperature flue and its both sides.
4. the subway tunnel longitudinal ventilation smoke evacuation system of growing up of bilateral according to claim 1 smoke duct for subsequent use each other, is characterized in that: described jet blower is arranged on top or the sidepiece of two ports in described tunnel.
5. the subway tunnel longitudinal ventilation smoke evacuation system of growing up of bilateral according to claim 1 smoke duct for subsequent use each other, is characterized in that: the quantity of described jet blower is one or more groups, and often group is 2.
6. the subway tunnel longitudinal ventilation smoke evacuation system of growing up of bilateral according to claim 5 smoke duct for subsequent use each other, is characterized in that: the quantity of described jet blower is 4 groups 8 totally.
7. the subway tunnel longitudinal ventilation smoke evacuation system of growing up of bilateral according to claim 1 smoke duct for subsequent use each other, is characterized in that: the quantity of described reversible axial flow emergency fan is one or more groups, and often group is 2.
8. the subway tunnel longitudinal ventilation smoke evacuation system of growing up of bilateral according to claim 7 smoke duct for subsequent use each other, is characterized in that: the quantity of described reversible axial flow emergency fan is 2 groups 4 totally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170883.5A CN104775840A (en) | 2015-04-10 | 2015-04-10 | Long and big subway tunnel longitudinal ventilation and smoke discharging system with mutually-standby smoke discharging air passages at two sides |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170883.5A CN104775840A (en) | 2015-04-10 | 2015-04-10 | Long and big subway tunnel longitudinal ventilation and smoke discharging system with mutually-standby smoke discharging air passages at two sides |
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| CN104775840A true CN104775840A (en) | 2015-07-15 |
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|---|---|---|---|
| CN201510170883.5A Pending CN104775840A (en) | 2015-04-10 | 2015-04-10 | Long and big subway tunnel longitudinal ventilation and smoke discharging system with mutually-standby smoke discharging air passages at two sides |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292443A (en) * | 2016-08-26 | 2017-01-04 | 山东康威通信技术股份有限公司 | Environment measuring and fan linkage controller, devices and methods therefor in a kind of tunnel |
| CN108049905A (en) * | 2017-11-03 | 2018-05-18 | 中国安全生产科学研究院 | A kind of totally-enclosed gate underground station platform fire ventilation smoke exhaust method of subway |
| CN108397222A (en) * | 2018-03-19 | 2018-08-14 | 轨道交通节能北京市工程研究中心有限公司 | A kind of Long Traffic Tunnels region couples formula smoke control system |
| CN109252885A (en) * | 2018-10-25 | 2019-01-22 | 中国安全生产科学研究院 | A kind of subway underground station an island platform Fire Ventilation smoke evacuation system and method |
| CN110454210A (en) * | 2019-08-22 | 2019-11-15 | 河南工业大学 | Subway is grown up admission section threaded list road smoke control system out |
| CN111692696A (en) * | 2020-05-29 | 2020-09-22 | 重庆大学 | Smoke-proof air curtain system for tunnel communication channel |
| CN112282823A (en) * | 2020-11-06 | 2021-01-29 | 天津大学 | Regional control subway platform smoke exhaust method |
| CN113047890A (en) * | 2021-01-13 | 2021-06-29 | 上海伯涵热能科技有限公司 | Side-suction side-discharge low-wind-speed large-wind-volume tunnel fresh air system |
-
2015
- 2015-04-10 CN CN201510170883.5A patent/CN104775840A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292443A (en) * | 2016-08-26 | 2017-01-04 | 山东康威通信技术股份有限公司 | Environment measuring and fan linkage controller, devices and methods therefor in a kind of tunnel |
| CN106292443B (en) * | 2016-08-26 | 2018-12-18 | 山东康威通信技术股份有限公司 | Environment measuring and fan linkage controller, devices and methods therefor in a kind of tunnel |
| CN108049905A (en) * | 2017-11-03 | 2018-05-18 | 中国安全生产科学研究院 | A kind of totally-enclosed gate underground station platform fire ventilation smoke exhaust method of subway |
| CN108049905B (en) * | 2017-11-03 | 2019-04-16 | 中国安全生产科学研究院 | A kind of totally-enclosed gate underground station platform fire ventilation smoke exhaust method of subway |
| CN108397222A (en) * | 2018-03-19 | 2018-08-14 | 轨道交通节能北京市工程研究中心有限公司 | A kind of Long Traffic Tunnels region couples formula smoke control system |
| CN109252885A (en) * | 2018-10-25 | 2019-01-22 | 中国安全生产科学研究院 | A kind of subway underground station an island platform Fire Ventilation smoke evacuation system and method |
| CN110454210A (en) * | 2019-08-22 | 2019-11-15 | 河南工业大学 | Subway is grown up admission section threaded list road smoke control system out |
| CN111692696A (en) * | 2020-05-29 | 2020-09-22 | 重庆大学 | Smoke-proof air curtain system for tunnel communication channel |
| CN112282823A (en) * | 2020-11-06 | 2021-01-29 | 天津大学 | Regional control subway platform smoke exhaust method |
| CN113047890A (en) * | 2021-01-13 | 2021-06-29 | 上海伯涵热能科技有限公司 | Side-suction side-discharge low-wind-speed large-wind-volume tunnel fresh air system |
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Application publication date: 20150715 |