CN109236344A - Tunnel wind field regulator control system by the island subway platform of underground - Google Patents
Tunnel wind field regulator control system by the island subway platform of underground Download PDFInfo
- Publication number
- CN109236344A CN109236344A CN201811392864.7A CN201811392864A CN109236344A CN 109236344 A CN109236344 A CN 109236344A CN 201811392864 A CN201811392864 A CN 201811392864A CN 109236344 A CN109236344 A CN 109236344A
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- tunnel
- subway platform
- wind
- injection pipe
- control system
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000002347 injection Methods 0.000 claims description 32
- 239000007924 injection Substances 0.000 claims description 32
- 238000002627 tracheal intubation Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000005526 G1 to G0 transition Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001869 rapid Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
- B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses tunnel wind field regulator control system by a kind of underground island subway platform, including jet stream mechanism, the jet stream mechanism is fixedly mounted on into vehicle end close to the position of platform in the tunnel in, and the jet stream mechanism towards wind in the tunnel for coming to jet-stream wind.The setting of jet stream mechanism, which can hit to flow through air blast avris in tunnel and roll up suction using jet-stream wind, forms " turbulent flow ", then, the frictional resistance of tunnel interior air-flow is greatly increased by " turbulent flow ", to which the kinetic energy of tunnel interior air-flow be greatly reduced, the wind speed and intensity (flow) that tunnel (section) flows through are reduced.
Description
Technical field
The invention belongs to subway fields, and in particular to a kind of underground island subway platform side tunnel wind field regulator control system.
Background technique
Underground island subway platform is platform in centre, is equipped with the railcar of way traffic on the both sides of platform.It is existing
Notification number in technology are as follows: CN108346369A document discloses " a kind of novel subway station model ", should be " a kind of novel
Subway station model " includes underground island subway platform.In addition, in notification number are as follows: public in the document of CN106979802A
It has opened " a kind of metro platform shield door air leakage rate check system and method ", has been related in the technical solution a kind of for measuring ground
The system and method for shield door (also referred to as " safety door ") inleakage of lower island subway platform installation, and in its background technique
Illustrate that shield door leaks out influence of the situation to air conditioner load in station.
In addition, applicant is through the discovery that studies for a long period of time: shield door leak out situation not only with shield door itself when closed
Leakproofness is related, and more the speed and intensity (flow) with tunnel wind field by the island subway platform of underground are closely related.Underground island
Tunnel wind field is too strong (speed is fast and flow is big) by subway platform, can not only aggravate the inleakage of shield door, also will increase wind make an uproar,
Aggravate the shake of shield door or blows to platform and cause when the discomfort of vehicle passenger (when shield door is " semi-long type " in tunnel
Wind can blow to platform).
Based on this, applicant consider to set it is a kind of with can regulating and controlling by the island subway platform of underground the underground island of tunnel wind field
Tunnel wind field regulator control system by iron platform.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how providing one kind can adjust
Control tunnel wind field regulator control system by the underground island subway platform of tunnel wind field by underground island subway platform.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
Tunnel wind field regulator control system by the island subway platform of underground, including jet stream mechanism, the jet stream mechanism are fixedly mounted on tunnel
Into vehicle end close to the position of platform in road, the jet stream mechanism is used to come towards wind in the tunnel to jet-stream wind.
Tunnel wind field regulator control system has the advantage, that by underground island subway platform of the invention
The setting of jet stream mechanism, which can hit to flow through air blast avris in tunnel and roll up suction using jet-stream wind, forms " rapids
Stream ", then, the frictional resistance of tunnel interior air-flow is greatly increased by " turbulent flow ", so that tunnel interior air-flow be greatly reduced
Kinetic energy reduces wind speed and intensity (flow) that tunnel (section) flows through.
Detailed description of the invention
Fig. 1 is the schematic layout pattern in existing underground island subway platform and its two sides tunnel.
Fig. 2 is showing for the first embodiment that tunnel wind field regulates and controls method by use underground island subway platform of the invention
It is intended to.
Fig. 3 is showing for the third embodiment that tunnel wind field regulates and controls method by use underground island subway platform of the invention
It is intended to.
Fig. 4 is the stereoscopic schematic diagram of the third embodiment in Fig. 3.
Fig. 5 is the structural schematic diagram of the injection pipe in the third embodiment.
Fig. 6 is enlarged view at I in Fig. 5.
Fig. 7 is showing for the 5th kind of embodiment that tunnel wind field regulates and controls method by use underground island subway platform of the invention
It is intended to.
Fig. 8 is enlarged view at II in Fig. 7.
Fig. 9 is the stereoscopic schematic diagram of the 5th kind of embodiment in Fig. 7.
Figure 10 is the structural representation (overlook direction) of the ejector in the 5th kind of embodiment.
Figure 11 is the structural representation (looking up direction) of the ejector in the 5th kind of embodiment.
Figure 12 is enlarged drawing at III in Figure 11.
Figure 13 is the front view of the ejector in the 5th kind of embodiment.
Figure 14 is A-A cross-sectional view in Figure 13.
In the figure, it is marked as
10 detour air ducts；
20 jet stream blowers, 21 injection pipes, 22 high pressure nozzles, 23 ventilating ducts, 24 air intake pipe orifices, 25 horizontal mounting portions, 26 metopes
Mounting portion；
30 ejectors: 31 vertical mounting planes, 32 leeward planes, 33 windward sides, 34 pits, 35 perforation, 36 vents, 37 insert
Slot, 38 intubations, 39 grafting blocks, 40 installation trunnions.
Specific embodiment
Below with reference to the attached drawing using wind field regulation method in tunnel by underground island subway platform of the invention to the present invention
Underground island subway platform by tunnel wind field regulator control system be described in further detail.
The first embodiment, shown in Figure 2:
Tunnel wind field regulates and controls method by underground island subway platform, including wind field weakens step, the wind field weaken step be
Weaken into vehicle end close to the position of platform to wind is carried out in tunnel.
Wherein, it includes weakening structure close to the position of platform setting wind field into vehicle end in tunnel that the wind field, which weakens step,
Measure, it includes detour air duct 10 that the wind field, which weakens structure, and island subway platform and general penetratingly descend in the detour air duct 10
The tunnel of underground island subway platform both sides is connected to.
When implementation, top plate (not shown) preferably is installed at the top in detour air duct 10, the setting of top plate can be convenient for
It is trampled for people.
So, high current side tunnel interior air-flow can be imported the other side and shunted by detour air duct 10, to subtract
Wind field intensity in the tunnel of weak high current side.
Wherein, enter the station by the perforation direction in the detour air duct 10 and adjacent underground island subway platform tunnel at end passes through
Angle between logical direction is obtuse angle.
So, it can be effectively reduced the resistance that tunnel interior air-flow flows through detour air duct 10, so that high current side tunnel
Road interior air-flow can increase the air mass flow in detour air duct 10, reduce and live more easily and quickly through 10 dispatch of detour air duct
Filling in influence of the wind to platform wind speed field, (railcar enters the station can generate the wind of similar " piston " compression in tunnel, therefore abbreviation
" Piston Action Wind ").
When implementation, the preferably above obtuse angle is 110 degree to 135 degree.110 degree to 135 degree of obtuse angle can be made by lower
Valence is realized.The smaller but excessive obtuse angle of the bigger windage in obtuse angle will increase the length in detour air duct 10, increase project cost.
Second of embodiment, is not shown in the figure:
The present embodiment and the first embodiment the difference is that:
It includes be spaced fixed installation on the side wall of the position of platform into vehicle end in tunnel more that the wind field, which weakens structure,
The protrusion of a spherical crown shape, and have between the outer surface between the protrusion and the railcar of process of passing through tunnel logical for railcar
The gap crossed.
The surface of above-mentioned protrusion can collide with the side for flowing through air blast in tunnel, and make the air-flow after collision from side
It hits to flow through air blast avris in tunnel and roll up suction to rebound and generates " turbulent flow ", can be greatly increased in tunnel after generating " turbulent flow "
The frictional resistance of air-flow reduces wind speed and intensity (stream that tunnel (section) flows through so that the kinetic energy of tunnel interior air-flow be greatly reduced
Amount).
The third embodiment, shown in Fig. 3 to Fig. 6:
The present embodiment and second of embodiment the difference is that:
It includes jet stream mechanism (as penetrating in underground island subway platform side tunnel wind field regulator control system that the wind field, which weakens structure,
Flow mechanism), the jet stream mechanism is fixedly mounted in tunnel into vehicle end close to the position of platform, and the jet stream mechanism is used for towards this
Wind comes to jet-stream wind in tunnel.
Air blast avris is flowed through in tunnel and is rolled up likewise, the setting of jet stream mechanism can be hit using jet-stream wind
It inhales formation " turbulent flow " and then greatly increases the frictional resistance of tunnel interior air-flow by " turbulent flow ", so that tunnel be greatly reduced
The kinetic energy of interior air-flow reduces wind speed and intensity (flow) that tunnel (section) flows through.
Wherein, the jet stream mechanism includes jet stream blower 20, injection pipe 21, high pressure nozzle 22 and ventilating duct 23；
The jet stream blower 20 is whole to be fixedly mounted in detour air duct 10, and the jet stream with blower 20 by underground island
The tunnel sucking wind of iron platform branch station side is side by side to the tunnel for side of entering the station；
The injection pipe 21 is more be fixed on the side wall in the side tunnel that enters the station by the island subway platform of underground, the injection pipe
Fixation connection along its length is equipped with multiple high pressure nozzles 22 on 21, and the high pressure nozzle 22 is towards wind in the tunnel
To；
The outer surface of every injection pipe 21, which is additionally provided with, is connected with inside air intake pipe orifice 24, the outlet air of jet stream blower 20
Sealing is fixed at mouthful is communicated with the ventilating duct 23, and the ventilating duct 23 passes through connector and connecting pipe and every injection pipe 21
On air intake pipe orifice 24 seal connection.
After above-mentioned jet stream mechanism, it can drive jet stream blower 20 continuously to injection pipe 21 by electric energy
Gas supply, and high pressure nozzle 22 is come towards wind in the tunnel to and air blast utilizes each injection when flowing through in tunnel
High pressure nozzle 22 on pipe 21 carrys out jet-stream wind, flows through air blast avris so that jet-stream wind can be hit in tunnel and rolls up
It inhales formation " turbulent flow " and then greatly increases the frictional resistance of tunnel interior air-flow by " turbulent flow ", so that tunnel be greatly reduced
The kinetic energy of interior air-flow reduces wind speed and intensity (flow) that tunnel (section) flows through.
When implementation, the air intake pipe orifice 24 on preferably every injection pipe 21 is located at away from the surface of 22 side of high pressure nozzle.This
Sample just can reduce air blast in tunnel and impact the junction, and the junction is enabled to connect more persistently reliable.
Wherein, two ends of the injection pipe 21 are fixedly installed with one piece of mounting blocks respectively, the mounting blocks have with
The end vertical of injection pipe 21 is fixedly linked and whole rectangular horizontal mounting portion 25, and one of the horizontal mounting portion 25
Direction where from side to injection pipe 21, which extends vertically, is formed with metope mounting portion 26.
Above-mentioned mounting blocks have the advantages that structure is simple first, also simultaneously because itself being bending, therefore also have stronger
Structural strength.Secondly, above-mentioned mounting blocks can be fixed on by the horizontal mounting portion 25 of mounting blocks ground or with another injection pipe
The horizontal mounting portion 25 of 21 end is docked and is fixed together by bolts and nuts, additionally it is possible to pass through metope mounting portion
26 are easily mounted on metope or the metope for being fixedly connected on of vertically-adjacent two mounting blocks with one piece of link block
Mounting portion 26 increases bonding strength；Therefore it installs and uses very convenient.
Wherein, the injection pipe 21 is the multiple groups being vertically fixed in the tunnel on the metope of the left and right sides, every group of injection pipe
21 total height and the height of railcar match.
So, injection pipe 21 can not only weaken before railcar enters the station and form air blast in tunnel；It can also
When railcar passes through injection pipe 21, the air-flow that the high pressure nozzle 22 on injection pipe 21 is blown out can also brush railcar
Simultaneously play certain dedusting cleaning action in outer surface.
Wherein, the jet stream mechanism further includes on the doorframe of each shield door positioned at the upper position of the side of tunnel internal
The injection pipe 21 that the place of setting laterally is fixedly mounted, high pressure nozzle 22 on the injection pipe 21 downward and enable to blowout
Wind forms air curtain.
Preferred when implementation, the above air curtain lower end can extend into the car door after stopped with the railcar of face in shield door
It is interior.So, the slave car door of the cold heat air generated in railcar compartment by air-conditioning can be reduced by air curtain
Place is overflowed, and helps the air-conditioning energy consumption for reducing subway.
4th kind of embodiment (the respective drawings content into Figure 14 referring to Fig. 9):
The present embodiment and the third embodiment the difference is that:
The jet stream mechanism includes ejector 30, and it is in vertical tube shape that the ejector 30 is whole, and the ejector 30 it is circumferential one
Side is vertical mounting plane 31, and the circumferentially adjacent vertical mounting plane 31 of ejector 30 is one vertical leeward flat
Face 32 is the windward side 33 of whole arc-shaped shape, the windward side 33 between the vertical mounting plane 31 and leeward plane 32
For to the angle inner concavity of vertical mounting plane 31 and leeward plane 32.
After above-mentioned ejector 30 is installed, it can be fitted, be fixedly linked with metope by vertical mounting plane 31；Ejector
After 30 install, by the edge guiding of the wind flowed through in tunnel and jet stream can be formed by windward side 33, which can
It is injected in air flow collection from the edge of air blast in tunnel, and then can hit in tunnel to flow through air blast avris and roll up suction and be formed
" turbulent flow " then greatly increases the frictional resistance of tunnel interior air-flow by " turbulent flow ", so that tunnel interior air-flow be greatly reduced
Kinetic energy, reduce tunnel (section) wind speed for flowing through and intensity (flow).
Wherein, the outer surface of the windward side 33 is provided with domed pit 34, and the length along the windward side 33
It is arranged at intervals with multiple pits 34.
The setting of above-mentioned pit 34 can not only form " mattress " after getting up to enter to be full of pit, so that it is guaranteed that
The wind effect of entire windward side 33；It can also to enter hitting between pit 34 and the air-flow and surrounding air-flow of outflow
It hits more violent, and then forms more eddy flows and turbulent flow to further increase the resistance of tunnel interior air-flow flowing, thus into one
Step reduces the flow velocity and intensity of air blast in tunnel.
5th kind of embodiment, referring to shown in Fig. 9 to Figure 14:
The present embodiment and the 4th kind of embodiment the difference is that:
Perforation 35 is provided through at the bottom of the pit 34, the perforation 35 is connected to the inside of the ejector 30, and
The top surface of the ejector 30 has vent 36.
The setting of above-mentioned perforation 35 is aloowed into the small part in the air-flow of pit 34 by pressurization and perforated 35
Into inside ejector 30, while easily only difficulty goes out the air that perforated is entered, and the air draft finally through 30 top of ejector
Hole 36 ejects to form upward jet stream upwards, and weakens the flow velocity and flow of the air blast that tunnel top flows through.
Wherein, the top surface of the ejector 30 has the circle slot 37 around the vent 36；The ejector 30
Bottom surface be fixedly connected with the intubation 38 being connected to inside ejector 30, and the outer circle that is convexly equipped with is inserted around described on the bottom surface
The grafting block 39 of pipe 38；
It can be connected by the slot 37 with the grafting block 39 clamping between of vertically-adjacent two ejectors 30, and be located at
The intubation 38 of 38 bottom surface of intubation of top can grafting enter in the vent 36 of underlying 30 top surface of ejector.
Vertically-adjacent two ejectors can not only be passed through using the above-mentioned ejector 30 with slot 37 and inserted block structure
The cooperation of slot 37 on 30 and inserted block is completed just to position, additionally it is possible to connect before enhancing vertically-adjacent two ejectors 30 strong
Degree and leakproofness.
At the same time, the cooperation between above-mentioned intubation 38 and vent 36 also can be effectively reduced windage, reduce ejector
By resistance when the distinguished and admirable intersection through vertically-adjacent two ejectors 30 inside 30, so that being flowed through inside multiple ejectors 30
Air-flow can be more smoothly.
Wherein, the top and bottom position of the vertical mounting plane 31 has the installation trunnion 40 of lateral outer gibbosity, institute
It states and is provided through pilot hole on installation trunnion 40.
Using the structure of above-mentioned installation trunnion 40, it is not only convenient for being fixed on metope；It is also convenient for consolidating using one piece of link block
Surely the installation trunnion 40 of of vertically-adjacent two ejectors 30 is connected to enhance bonding strength between the two.
The above is only the preferred embodiment of the present invention, it is noted that not departing from this for those skilled in the art
Under the premise of technical solution, the technical solution for the several modifications and improvements made should equally be contemplated as falling within the claims requirement
The range of protection.
Claims (9)
1. tunnel wind field regulator control system by the island subway platform of underground, including jet stream mechanism, the jet stream mechanism are fixedly mounted on
Into vehicle end close to the position of platform in tunnel, the jet stream mechanism is used to come towards wind in the tunnel to jet-stream wind.
2. tunnel wind field regulator control system by island subway platform in underground according to claim 1, it is characterised in that: described to penetrate
Flowing mechanism includes jet stream blower, injection pipe, high pressure nozzle and ventilating duct；
The jet stream is integrally fixedly mounted in detour air duct with blower, and the jet stream blower is by underground island subway platform
The tunnel sucking wind of branch station side is side by side to the tunnel for side of entering the station；
The injection pipe is more be fixed on the side wall in the side tunnel that enters the station by the island subway platform of underground, on the injection pipe
Fixed connection along its length is equipped with multiple high pressure nozzles, the high pressure nozzle towards in the tunnel wind come to；
The outer surface of every injection pipe, which is additionally provided with, is connected with inside air intake pipe orifice, close at the air outlet of the jet stream blower
Sealing is communicated with the ventilating duct surely, and the ventilating duct passes through connector and connecting pipe and the air intake pipe orifice on every injection pipe
Sealing connection.
3. tunnel wind field regulator control system by island subway platform in underground according to claim 2, it is characterised in that: the spray
Two ends for penetrating pipe are fixedly installed with one piece of mounting blocks respectively, and the mounting blocks have the end vertical stationary phase with injection pipe
Company and whole rectangular horizontal mounting portion, the direction where a side to injection pipe of the horizontal mounting portion is vertically prolonged
It stretches and is formed with metope mounting portion.
4. tunnel wind field regulator control system by island subway platform in underground according to claim 2 or 3, it is characterised in that: institute
Stating injection pipe is the multiple groups being vertically fixed in the tunnel on the metope of the left and right sides, the total height and railcar of every group of injection pipe
Height match.
5. tunnel wind field regulator control system, feature by island subway platform in underground according to any one of claim 2 to 4
Be: the jet stream mechanism further includes lateral at the top position of the side of tunnel internal on the doorframe of each shield door
The injection pipe being fixedly mounted, high pressure nozzle on the injection pipe downward and enable to the wind of blowout to form air curtain.
6. tunnel wind field regulator control system by island subway platform in underground according to claim 1, it is characterised in that: described to penetrate
Flowing mechanism includes ejector, and the ejector is integrally in vertical tube shape, and the one side of ejector circumferential direction is that vertical installation is flat
Face, the circumferentially adjacent vertical mounting plane of ejector are a vertical leeward plane, the vertical mounting plane and
It is the windward side of whole arc-shaped shape between leeward plane, the windward side is the angle to vertical mounting plane and leeward plane
Locate inner concavity.
7. tunnel wind field regulator control system by island subway platform in underground according to claim 6, it is characterised in that: described to meet
The outer surface in wind face is provided with domed pit, and the length along the windward side is arranged at intervals with multiple pits.
8. tunnel wind field regulator control system by island subway platform in underground according to claim 7, it is characterised in that: described recessed
Perforation is provided through at the bottom in hole, the perforation is connected to the inside of the ejector, and the top surface tool of the ejector
There is vent.
9. tunnel wind field regulator control system by island subway platform in underground according to claim 8, it is characterised in that: described to penetrate
The top surface for flowing device, which has, encloses slot around the one of the vent；The bottom surface of the ejector be fixedly connected with inside ejector
The intubation of connection, and the outer grafting block for being convexly equipped with a circle and surrounding the intubation on the bottom surface；
It can be connected by the slot with grafting block clamping between of vertically-adjacent two ejectors, and be located above
Intubation bottom surface intubation can grafting enter in the vent of underlying ejector top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392864.7A CN109236344B (en) | 2018-11-21 | 2018-11-21 | Underground island type subway platform side tunnel wind field regulation and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392864.7A CN109236344B (en) | 2018-11-21 | 2018-11-21 | Underground island type subway platform side tunnel wind field regulation and control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109236344A true CN109236344A (en) | 2019-01-18 |
| CN109236344B CN109236344B (en) | 2020-06-02 |
Family
ID=65076278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811392864.7A Active CN109236344B (en) | 2018-11-21 | 2018-11-21 | Underground island type subway platform side tunnel wind field regulation and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109236344B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111022110A (en) * | 2020-01-14 | 2020-04-17 | 山西晋城无烟煤矿业集团有限责任公司 | Method for controlling gas in one-end roadway of wind-cut driving working face during mine windward period |
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| CN109236344B (en) | 2020-06-02 |
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