CN109630183A - Powerless ventilation device and tunnel - Google Patents
Powerless ventilation device and tunnel Download PDFInfo
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- CN109630183A CN109630183A CN201910048419.7A CN201910048419A CN109630183A CN 109630183 A CN109630183 A CN 109630183A CN 201910048419 A CN201910048419 A CN 201910048419A CN 109630183 A CN109630183 A CN 109630183A
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- rotary fan
- tunnel
- ventilation
- ventilation shaft
- shaft
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- 238000009423 ventilation Methods 0.000 title claims abstract description 231
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims description 26
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 6
- 238000005273 aeration Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
- F04D25/045—Units comprising pumps and their driving means the pump being fluid-driven the pump wheel carrying the fluid driving means, e.g. turbine blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The present invention relates to the aeration technology field of mine or tunnel, the powerless ventilation device and tunnel provided includes ventilation shaft and blower chamber, and ventilation shaft is equipped with the first air port and the second air port；Blower chamber includes the first rotary fan and the second rotary fan, first rotary fan is installed in the inner cavity of ventilation shaft, extending direction of the pectinid direction of first rotary fan along ventilation shaft, second rotary fan is installed on outside ventilation shaft, and the first rotary fan and the second rotary fan are sequentially connected；One-way mechanism is provided in the drive chain of first rotary fan to the second rotary fan.Under the limitation of one-way mechanism, the pectinid direction of first rotary fan is fixed, then make the air flow direction of ventilation shaft unified, the airflow direction in ventilation shaft is avoided to occur repeatedly, guarantee that the airflow direction in ventilation shaft is stablized, be conducive to increase the air flow rate in the unit time in ventilation shaft, and then promote the ventilation ability of ventilation shaft.
Description
Technical field
The present invention relates to the aeration technology fields of mine or tunnel, specifically, being to be related to a kind of powerless ventilation device
And tunnel.
Background technique
Air trapping in tunnel ontology can seriously affect the air quality in the inner cavity of tunnel ontology, to holdee's
Healthy unfavorable, especially some long and narrow tunnel ontologies, more into the inner cavity of tunnel ontology deeply, the sky in the inner cavity of tunnel ontology
Gas exchanges between gas and the external atmosphere of tunnel sheet are fewer, cause the air quality in the inner cavity of tunnel ontology poorer.
To solve the above problems, the prior art proposes miscellaneous ventilation device, however existing ventilation device is big
It is mostly by external electric power driving blower is that tunnel ontology is divulged information, this draft type power consumption that month after month gets off throughout the year is huge, mentions
Expense expenditure on high traffic operation, it is less economical；There are also some ventilation devices not to add external force driving, draught capacity
It is again very weak, it is not able to satisfy the air-conditioning requirement of tunnel ontology.
Summary of the invention
To solve the above-mentioned problems, one of the objects of the present invention is to provide a kind of good economy performance and performance of ventilating it is excellent
Powerless ventilation device.
To achieve the goals above, powerless ventilation device provided by the invention includes ventilation shaft and blower chamber, is led to
Air piping is equipped with the first air port and the second air port；Blower chamber includes the first rotary fan and the second rotary fan, the first rotation
Rotary fan is installed in the inner cavity of ventilation shaft, the pectinid direction of the first rotary fan along ventilation shaft extending direction, second
Rotary fan is installed on outside ventilation shaft, and the first rotary fan and the second rotary fan are sequentially connected；First rotary fan is to
One-way mechanism is provided in the drive chain of two rotary fans, one-way mechanism limits the pectinid direction of the first rotary fan.
Therefore the present invention is designed by setting to powerless ventilation device and structure, by the way that ventilation duct will be set to
The first rotary fan in road is sequentially connected with the second rotary fan being set to outside ventilation shaft, and such second rotary fan is logical
It is rotated under the drive of the outer air-flow of air piping, the first rotary fan is then driven to rotate, the gas in ventilation shaft is in the first rotation
Lower flowing is agitated in the rotation of fan, then realizes the purpose that no additionaling power just agitates the gas in ventilation shaft to flow；However,
The equal potentially unstable of air-flow size and Orientation outside due to ventilation shaft, it is thus possible to cause the positive rotation sometimes of the second rotary fan
Turn, is occasionally reversed rotation；Then the first rotary fan positive pectinid sometimes is caused, pectinid is occasionally reversed；Therefore setting irreversible engine
Structure, under the limitation of one-way mechanism, the pectinid direction of the first rotary fan is fixed, and the air flow direction of ventilation shaft is then made to unite
One, it avoids the airflow direction in ventilation shaft from occurring repeatedly, guarantees that the airflow direction in ventilation shaft is stablized, be conducive to increase single
Air flow rate in the time of position in ventilation shaft, and then promote the ventilation ability of ventilation shaft.
One Preferable scheme is that, one-way mechanism includes ratchet mechanism or unilateral bearing, ratchet mechanism or unilateral bearing peace
In rotary shaft in drive chain loaded on the first rotary fan to the second rotary fan.
Therefore it is mounted with the rotary shaft of ratchet mechanism or unilateral bearing, ratchet mechanism or unilateral bearing can be passed through
The direction of rotation of the rotary shaft is limited, the direction of rotation of first rotary fan is then limited by the transmission of drive chain,
And then realize the function in the first rotary fan pectinid direction of limitation.
Another Preferable scheme is that, blower chamber further includes transmission shaft, and transmission shaft is along the extension perpendicular to ventilation shaft
Direction is rotatably penetrated and arranged on the side wall of ventilation shaft, and the rotary shaft of the first rotary fan is equipped with first bevel gear, transmission
One end in the inner cavity of ventilation shaft of axis is equipped with second bevel gear, and first bevel gear engages biography with second bevel gear
It is dynamic；The one end of transmission shaft being located at outside ventilation shaft and the second rotary fan are sequentially connected.
Therefore transmission shaft is along the side wall for being rotatably penetrated and arranged in ventilation shaft perpendicular to the extending direction of ventilation shaft
On, convenient for passing through transmission shaft for the first rotary fan being installed in ventilation shaft and the second rotation being installed on outside ventilation shaft
Fan transmission connection.
Another Preferable scheme is that, further include ventilation protective cover, the second rotary fan be located at ventilation protective cover in.
Therefore since the second rotary fan is located at outside ventilation shaft, if the second rotary fan is exposed to ventilation
In environment outside pipeline, it might have flying bird under the influence of the airflow or floating material hit to the second rotary fan, cause the second rotation
Rotary fan damage；Therefore setting ventilation protective cover can protect the second rotary fan to exempt from flying bird or drift by ventilation protective cover
Floating object is hit.
Another Preferable scheme is that, powerless ventilation device further includes the first filter screen, the first filter screen covering first
Air port；And/or powerless ventilation device further includes the second filter screen, the second filter screen covers the second air port.
Therefore first filter screen and the second filter screen setting, can effectively avoid large volume of solid-state sundries
It is entered in ventilation shaft by the first air port and the second air port, these solid-state sundries is avoided to influence the fortune of the first rotary fan
Turn, these solid-state sundries is also avoided to block ventilation shaft.
Also one Preferable scheme is that, blower chamber is set as at least two groups, extension of each group blower chamber along ventilation shaft
Directional spreding, along the extending direction of ventilation shaft, under the action of one-way mechanism, the pectinid direction phase of each first rotary fan
Together.
Therefore in each group blower chamber the first rotary fan pectinid direction it is identical, make each first rotary fan pair
Air-flow in ventilation shaft forms synergistic effect, and the group number that blower chamber is arranged is more, is more conducive to promote gas in ventilation shaft
The circulating rate of stream is conducive to the scavenging efficiency for promoting ventilation shaft.
To solve the above-mentioned problems, the second object of the present invention is to provide a kind of good economy performance and performance of ventilating is excellent
Tunnel.
To achieve the goals above, tunnel provided by the invention includes tunnel ontology and powerless ventilation device above-mentioned,
Ventilation shaft arranges that the first air port is located at that tunnel sheet is external, and the second air port is located at tunnel ontology along the extending direction of tunnel ontology
Inner cavity in, the second rotary fan is located in the inner cavity of tunnel ontology, and the weather side of the second rotary fan is along tunnel ontology
Extending direction.
Therefore since tunnel ontology is generally long and narrow space, in the long and narrow space of tunnel ontology closer to tunnel
The position of road ontology outlet, exchanging for the outer gas of gas and tunnel ontology is more, further away from the position that tunnel ontology exports,
Gas and exchanging for the outer gas of tunnel ontology are fewer；The position gaseous mass in the inner cavity of tunnel ontology further away from outlet is caused to be got over
Difference；It is influenced by air-flow outside the temperature difference, wagon flow and tunnel ontology, it is easy to form along tunnel ontology in the inner cavity of tunnel ontology
The air-flow of extending direction, however atmosphere progress of this deficiency of air to drive the gas and tunnel sheet of tunnel ontology depths external
Gas exchanges；It uses external electric power driving blower for the ventilation of tunnel ontology in the prior art, tunnel ontology can be effectively facilitated
The exchange of inner cavity China and foreign countries gas can effectively improve the gaseous mass in the inner cavity of tunnel ontology, however such mode power consumption is huge
Greatly, and long-time service is easy to cause electrical equipment to damage, restricted application；Therefore it is arranged for tunnel ontology above-mentioned unpowered
Ventilation device, the first rotary fan are installed in ventilation shaft, and the second rotary fan is installed on outside ventilation shaft but is located at tunnel
In the inner cavity of ontology, and the first rotary fan and the second rotary fan are sequentially connected, the second rotary fan is in tunnel ontology
Air-flow in inner cavity drives lower rotation, and then drives the rotation of the first rotary fan, and the first rotary fan is agitated in ventilation shaft
Gas forms air-flow, and the gas in tunnel chamber body is enabled to realize friendship by gas outside ventilation shaft and tunnel ontology
It changes, by the weather side of the second rotary fan along the extending direction of tunnel ontology, the second rotary fan can be made preferably to follow
Along the flow rotation of tunnel ontology extending direction, convenient for promoting the revolving speed of the second rotary fan and the first rotary fan, the is promoted
The pectinid speed of one rotary fan promotes the airflow rate in ventilation shaft, promotes the friendship of the inner cavity China and foreign countries gas of tunnel ontology
Throw-over rate, and under the limitation of one-way mechanism, the pectinid direction of the first rotary fan is fixed, and the air-flow of ventilation shaft is then made
Flow direction is unified, and the airflow direction in ventilation shaft is avoided to occur repeatedly, guarantees that the airflow direction in ventilation shaft is stablized, is conducive to
Increase the air flow rate in the unit time in ventilation shaft, and then promotes the ventilation ability of ventilation shaft.
One Preferable scheme is that, the pectinid direction of the first rotary fan is from the second air port to the first air port, the first wind
The outside of mouth is equipped with wind deflector, and there are vent passages between ventilation shaft and wind deflector keeps out the wind along the extending direction of ventilation shaft
Plate covers the first air port.
Therefore mainly accelerate the exchange of the inner cavity China and foreign countries gas of tunnel ontology in the present invention by two ways,
Realize that the purpose that air-flow improves in the inner cavity of tunnel ontology, a kind of mode are summarized tunnel chamber body by blower chamber
Second-rate gas bloats tunnel ontology, and another way is to be blasted the external fresh air of tunnel sheet by blower chamber
In tunnel chamber body；The technical program is used the side of gas bulging tunnel ontology second-rate in tunnel chamber body
Formula, it is separate in tunnel ontology to extract out in real time to the external direction flowing of tunnel sheet by being limited to the air-flow in ventilation shaft
The second-rate gas in tunnel ontology exit then improves the gaseous mass in tunnel ontology, however, tunnel sheet is external
Air-flow may be blown into gas into ventilation shaft by the first air port, the gas being originally blown into vitro from tunnel with from tunnel ontology
Collision is formed in inner cavity between derived gas, be unfavorable for the discharge of gas in the inner cavity of tunnel ontology, therefore wind deflector is set,
Wind deflector can be avoided the external air-flow of tunnel sheet and directly blow to the first air port, reduce the outer air-flow of tunnel ontology in ventilation shaft
Air-flow influence, be conducive to powerless ventilation device and smoothly the second-rate gas in the inner cavity of tunnel ontology be discharged.
Another Preferable scheme is that, blower chamber is set as at least two groups, extension of each group blower chamber along ventilation shaft
Directional spreding, along the extending direction of ventilation shaft, under the action of one-way mechanism, the pectinid direction phase of each first rotary fan
Together；The extending direction of tunnel ontology includes reversed each other first direction and second direction, and a part of second rotary fan follows
The air-flow of first direction rotates, and the second rotary fan of another part follows the air-flow of second direction to rotate.
Therefore it is set as following the air-flow of first direction to rotate a part of second rotary fan, by another portion
Second rotary fan is set as following the air-flow of second direction to rotate, and though the air-flow in the inner cavity of tunnel ontology in this way towards what
Direction, the airflow direction in ventilation shaft will not all change, be continuously in tunnel chamber body convenient for ventilation shaft supplement it is fresh
Air continues for the gas of the poor quality in tunnel chamber body to be drawn to that tunnel sheet is external, is easy to implement tunnel ontology
Stablizing for air quality improves in inner cavity.
To solve the above-mentioned problems, the third object of the present invention is to provide a kind of good economy performance and performance of ventilating is excellent
Tunnel.
To achieve the goals above, tunnel provided by the invention includes that tunnel ontology and at least two sets are above-mentioned unpowered logical
Wind apparatus, each ventilation shaft arrange along the extending direction of tunnel ontology, the inner cavity of each ventilation shaft connection tunnel main body with
The external environment of tunnel main body；Each second rotary fan is located in the inner cavity of tunnel ontology, the pectinid side of each second rotary fan
To the extending direction along tunnel ontology；In a part of powerless ventilation device, the first rotary fan is from tunnel ontology extroversion tunnel
Direction pectinid in the inner cavity of ontology；In another part powerless ventilation device, the first rotary fan is from the inner cavity of tunnel ontology
The middle direction pectinid external to tunnel sheet.
Therefore due to using powerless ventilation device above-mentioned, under the limitation of one-way mechanism, the first rotary fan
Pectinid direction fix, then make the air flow direction of ventilation shaft unified, the airflow direction in ventilation shaft avoided to occur repeatedly,
Guarantee that the airflow direction in ventilation shaft is stablized, is conducive to increase the air flow rate in the unit time in ventilation shaft, Jin Erti
Rise the ventilation ability of ventilation shaft；In addition, a part of powerless ventilation device is by the poor quality in the inner cavity of tunnel ontology
Gas is drawn to that tunnel sheet is external, and sheet external fresh air in tunnel is supplemented to tunnel sheet by another part powerless ventilation device
In the inner cavity of body, makes that second-rate gas can be discharged in the inner cavity of tunnel ontology in real time and supplements fresh air in real time,
Enable gas in the inner cavity of tunnel ontology to realize by different ventilation devices to exchange with gas outside tunnel ontology, more
Be conducive to be promoted the air quality in the inner cavity of tunnel ontology.
Detailed description of the invention
Fig. 1 is the schematic diagram of powerless ventilation device of the present invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the schematic diagram in tunnel of the present invention.
Specific embodiment
Powerless ventilation device embodiment:
Referring to Fig. 1 and Fig. 2, the powerless ventilation device of the present embodiment includes ventilation shaft 1 and blower chamber 2, ventilation duct
Road 1 is equipped with the first air port 101 and the second air port 102；Blower chamber 2 includes the first rotary fan 201 and the second rotary fan
202, the first rotary fan 201 is installed in the inner cavity of ventilation shaft 1, the pectinid direction frontage and airiness of the first rotary fan 201
The extending direction of pipeline 1, the second rotary fan 202 are installed on outside ventilation shaft 1, the first rotary fan 201 and the second rotary wind
202 transmission connection of fan；One-way mechanism is provided with (in figure in the drive chain of first rotary fan, 201 to the second rotary fan 202
It is not shown), one-way mechanism limits the pectinid direction of the first rotary fan 201.Pass through the first rotation that will be set in ventilation shaft 1
Fan 201 is sequentially connected with the second rotary fan 202 being set to outside ventilation shaft 1, and such second rotary fan 202 is in ventilation duct
It is rotated under the drive of the outer air-flow in road 1, the first rotary fan 201 is then driven to rotate, the gas in ventilation shaft 1 is in the first rotation
Lower flowing is agitated in the rotation of fan 201, then realizes the purpose that no additionaling power just agitates the gas in ventilation shaft 1 to flow；
However, due to the equal potentially unstable of air-flow size and Orientation outside ventilation shaft 1, it is thus possible to cause the second rotary fan 202
Sometimes it rotates in the forward direction, is occasionally reversed rotation；Then the first rotary fan 201 positive pectinid sometimes is caused, pectinid is occasionally reversed；Cause
This setting one-way mechanism, under the limitation of one-way mechanism, the pectinid direction of the first rotary fan 201 is fixed, and then makes ventilation duct
Air flow direction in road 1 is unified, avoids the airflow direction in ventilation shaft 1 from occurring repeatedly, guarantees the air-flow side in ventilation shaft 1
To stabilization, be conducive to increase the air flow rate in the unit time in ventilation shaft 1, and then promote the ventilation ability of ventilation shaft 1.
About the pectinid direction of the first rotary fan 201, it is set as the extending direction along ventilation shaft 1, ventilation shaft 1
Extending direction includes positive and negative two specific directions, it is only necessary to which the pectinid direction of the first rotary fan 201 is towards one of them, together
When deviate from another.
It should be pointed out that the pectinid direction of the first rotary fan 201 is not implied that along the extending direction of ventilation shaft 1 to be needed
Keep the pectinid direction of the first rotary fan 201 parallel with the extending direction of ventilation shaft 1, and refers to the first rotary fan 201
Agitate downstream that can flow along the extending direction of ventilation shaft 1；It is, of course, preferable to the pectinid direction of the first rotary fan 201 and logical
The extending direction of air piping 1 is parallel namely the rotation axis of the first rotary fan 201 is parallel to the extending direction of ventilation shaft 1,
In this way in the case where the first rotary fan 201 is agitated, air-flow can be flowed along the extending direction of ventilation shaft 1 more quickly.
It, can be by such as about the transmission connection mode of blower chamber 2 first rotary fan 201 and the second rotary fan 202
Under type setting: blower chamber 2 adds first bevel gear 207, second bevel gear 208, third hand tap gear 209, the 4th bevel gear
210 and transmission shaft 205, transmission shaft 205 be rotatably penetrated and arranged in ventilation shaft 1 along the extending direction perpendicular to ventilation shaft 1
On side wall, first bevel gear 207 is set in the rotary shaft 204 of the first rotary fan 201, and second bevel gear 208 is set to transmission shaft
205 one end in the inner cavity of ventilation shaft 1,208 engaged transmission of first bevel gear 207 and second bevel gear；Third cone
Gear 209 is set in the rotary shaft 206 of the second rotary fan 202, and the 4th bevel gear 210 is located at ventilation set on transmission shaft 205
One end outside pipeline 1, third hand tap gear 209 and the 4th bevel gear 210 wheel engaged transmission, such second rotary fan 202 rotate
When can drive the second rotary fan 202 rotate.Transmission shaft 205 is rotationally worn along the extending direction perpendicular to ventilation shaft 1
On the side wall of ventilation shaft 1, convenient for 201 He of the first rotary fan that will be installed in ventilation shaft 1 by transmission shaft 205
The second rotary fan 202 transmission connection being installed on outside ventilation shaft 1.
About the specific structure of one-way mechanism, ratchet mechanism or unilateral bearing, ratchet mechanism or unilateral bearing can be used
It is installed in the rotary shaft in the drive chain of 201 to the second rotary fan 202 of the first rotary fan.Be mounted with ratchet mechanism or
The rotary shaft of unilateral bearing can be limited the direction of rotation of the rotary shaft by ratchet mechanism or unilateral bearing, then be passed through
Drive chain is driven to limit the direction of rotation of the first rotary fan 201, and then realizes limitation 201 pectinid of the first rotary fan
The function in direction.
As for the specific installation site of one-way mechanism, can be installed in the rotary shaft of the first rotary fan 201, Ke Yian
It in rotary shaft loaded on the second rotary fan 202, can also be installed on transmission shaft 205, as long as one-way mechanism can limit first
The rotary shaft of rotary fan 201, the rotary shaft of the second rotary fan 202 or one in transmission shaft 205 can be realized as to
The limitation to 201 pectinid direction of the first rotary fan is then realized in the limitation of one rotary fan, 201 direction of rotation.
About the installation of the first rotary fan 201, the branch along cross sectional arrangement can be connected on the inner wall of ventilation shaft 1
Frame 203, bracket 203 are made of two spokes, and two spokes cross one another in the cross-section center of ventilation shaft 1, and first revolves
Rotary fan 201 is rotatably mounted in the crossover location of each spoke.It is installed by the spoke intersected on 1 cross section of ventilation shaft
First rotary fan 201 can be realized and the first rotary fan 201 is installed in ventilation shaft 1；Each spoke intersects at ventilation duct
In the cross-section center in road 1, and the first rotary fan 201 is installed on to the crossover location of each spoke, so that the first rotary fan
201 is suitable to the distance of draught tube walls everywhere, convenient for installing and using for the first rotary fan 201, is also convenient for using larger size
The first rotary fan 201；In addition, the setting of spoke influences less the performance of ventilating of ventilation shaft 1.Certainly, the number of spoke
Amount can be two more than, fewer than two.
It preferably, further include ventilation protective cover 211, the second rotary fan 202 is located in ventilation protective cover 211.Due to
Two rotary fans 202 are located at outside ventilation shaft 1, if the second rotary fan 202 is exposed in the environment outside ventilation shaft 1,
It might have flying bird under the influence of the airflow or floating material hit to the second rotary fan 202, the second rotary fan 202 is caused to damage
It is bad；Therefore setting ventilation protective cover 211 can protect the second rotary fan 202 to exempt from flying bird or drift by ventilation protective cover 211
Floating object is hit.
Preferably, powerless ventilation device further includes the first filter screen 3, and the first filter screen 3 covers the first air port 101；Nothing
Power ventilation device further includes the second filter screen 4, and the second filter screen 4 covers the second air port 102.First filter screen 3 and the second mistake
The setting of strainer 4 can effectively avoid large volume of solid-state sundries from entering by the first air port 101 and the second air port 102
In ventilation shaft 1, these solid-state sundries is avoided to influence the operating of the first rotary fan 201, these solid-state sundries is also avoided to block
Ventilation shaft 1.
Preferably, blower chamber 2 is set as at least two groups, and each group blower chamber 2 is distributed along the extending direction of ventilation shaft 1,
Along the extending direction of ventilation shaft 1, under the action of one-way mechanism, the pectinid direction of each first rotary fan 201 is identical.Each group
The pectinid direction of first rotary fan 201 is identical in blower chamber 2, makes each first rotary fan 201 to the gas in ventilation shaft 1
Stream forms synergistic effect, and the group number that blower chamber 2 is arranged is more, is more conducive to the circulating rate for promoting 1 interior air-flow of ventilation shaft,
Be conducive to be promoted the scavenging efficiency of ventilation shaft 1.It should be noted that the pectinid direction of each first rotary fan 201 is identical, and
Each first rotary fan 201 pectinid in the same direction is not necessarily referred to, and refers to each first rotary fan 201 and agitates ventilation shaft 1
Interior air-flow flows in the same direction on the direction along ventilation shaft 1.
It is worth noting that first rotary fan 201 can correspond to installation one second in same blower chamber 2
Rotary fan 202 can also correspond to multiple second rotary fans 202 of installation, since the airflow direction outside ventilation shaft 1 may not
Stablize, therefore the second different rotary fan 202 of multiple weather sides is set, enables the blower chamber 2 under different wind directions
It operates normally.Such as in same blower chamber 2, the second opposite rotary fan 202 of two weather sides, two second rotations are installed
Rotary fan 202 can follow the flow rotation of two different directions, and the blower chamber 2 in this way can be in the gas of two different directions
Flow down normal operation.
Certainly, the second rotary fan 202 in each blower chamber 2, weather side also can be set to difference, in this way logical
Air-flow outside air piping 1 can have corresponding second rotary fan 202 to follow rotation under various wind directions, so that no matter divulging information
Where is air-flow direction outside pipeline 1, the air-flow in ventilation shaft 1 can be driven quick in the same direction by different blower chambers 2
Flowing, is conducive to the continual and steady operation of unpowered device.
Tunnel embodiment one:
Referring to Fig. 3, the tunnel of the present embodiment includes tunnel ontology 6 and powerless ventilation device above-mentioned, 1 edge of ventilation shaft
The extending direction of tunnel ontology 6 arranges that the first air port 101 is located at outside tunnel ontology 6, and the second air port 102 is located at tunnel ontology 6
In inner cavity, the second rotary fan 202 is located in the inner cavity of tunnel ontology 6, and the weather side of the second rotary fan 202 is along tunnel sheet
The extending direction of body 6.Due to tunnel ontology 6 be generally long and narrow space, in the long and narrow space of tunnel ontology 6 closer to tunnel
Ontology 6 export position, gas and exchanging for the outer gas of tunnel ontology 6 are more, further away from tunnel ontology 6 outlet position,
Its gas and exchanging for the outer gas of tunnel ontology 6 are fewer；Lead to the position gas matter in the inner cavity of tunnel ontology 6 further away from outlet
It is poorer to measure；It is influenced by the temperature difference, wagon flow and the outer air-flow of tunnel ontology 6, it is easy to form along tunnel in the inner cavity of tunnel ontology 6
The air-flow of the extending direction of ontology 6, however this deficiency of air is to drive the gas and tunnel ontology 6 in 6 inner cavity of tunnel ontology
Outer atmosphere carries out gas exchanges；It uses external electric power driving blower for the ventilation of tunnel ontology 6 in the prior art, can effectively promote
Into the exchange of the inner cavity China and foreign countries gas of tunnel ontology 6, the gaseous mass in the inner cavity of tunnel ontology 6 can effectively improve, however this
Kind mode power consumption is huge, and is used for a long time and electrical equipment is easy to cause to damage, restricted application；It therefore is tunnel ontology 6
Powerless ventilation device is set, and the first rotary fan 201 is installed in ventilation shaft 1, and the second rotary fan 202 is installed on tunnel
In the inner cavity of ontology 6, and the first rotary fan 201 and the second rotary fan 202 are sequentially connected, the second rotary fan 202 exists
Air-flow in the inner cavity of tunnel ontology 6 drives lower rotation, and then drives the rotation of the first rotary fan 201, the first rotary fan 201
Agitate gas in ventilation shaft 1 to form air-flow, enable the gas that is exported far from tunnel ontology 6 by ventilation shaft 1 with
The outer gas of tunnel ontology 6 realizes exchange, sets the weather side of the second rotary fan 202 to along the extension side of tunnel ontology 6
To, the second rotary fan 202 can be made to follow the flow rotation along 6 extending direction of tunnel ontology, convenient for promoted the second rotary wind
The revolving speed of fan 202 and the first rotary fan 201 promotes the pectinid speed of the first rotary fan 201, is promoted in ventilation shaft 1
Airflow rate promotes the exchange rate of the inner cavity China and foreign countries gas of tunnel ontology 6.
About the weather side of the second rotary fan 202, i.e. the second rotary fan 202 can follow the side of the air-flow of rotation
To, some specific direction that the airflow direction that the second rotary fan 202 can certainly rotated should not refer to, and should be one
A direction scope.Preferably, the rotation axis of the second rotary fan 202 is parallel to the extending direction of tunnel ontology 6, in this way can
So that the second rotary fan 202 is preferably followed the flow rotation along 6 extending direction of tunnel ontology, the second rotary fan 202 is made to exist
In face of can more quickly rotate when the air-flow in perforation 6 direction of tunnel ontology, and then drive the first rotary fan 201 more rapidly
The air-flow agitated in ventilation shaft 1 flow.
It is set to the position of tunnel ontology 6 about powerless ventilation device, in order to arrange conveniently, Unpowered ventilation can be filled
It is arranged in the inner cavity of tunnel ontology 6, such as hangs on the top of tunnel ontology 6；Ventilation shaft 1 can certainly be embedded in shape
In entity at tunnel ontology 6, and the second rotary fan 202 is placed in the inner cavity of tunnel ontology 6, such as digs and have under massif
Tunnel ontology 6, ventilation shaft 1 can be in massifs, and the second rotary fan 202 is placed in the inner cavity of tunnel ontology 6.
Preferably, the pectinid direction of the first rotary fan 201 is from the second air port 102 to the first air port 101, the first air port
101 outside is equipped with wind deflector, there are vent passages between ventilation shaft 1 and wind deflector, along the extending direction of ventilation shaft 1,
Wind deflector covers the first air port 101.Mainly accelerate the inner cavity China and foreign countries gas of tunnel ontology 6 in the present invention by two ways
The purpose that air-flow improves in the inner cavity of tunnel ontology 6 is realized in exchange, and a kind of mode is will be in tunnel ontology 6 by blower chamber 2
Second-rate gas in chamber bloats tunnel ontology 6, and another way is will be new outside tunnel ontology 6 by blower chamber 2
Fresh air blasts in 6 inner cavity of tunnel ontology；The technical program, which is used, bloats tunnel for gas second-rate in 6 inner cavity of tunnel ontology
The mode of road ontology 6 is extracted out in real time by the direction flowing being limited to the air-flow in ventilation shaft 1 outside tunnel ontology 6
Far from the second-rate gas in 6 exit of tunnel ontology in tunnel ontology 6, then improve the gaseous mass in tunnel ontology 6,
However, the air-flow outside tunnel ontology 6 may be blown into gas into ventilation shaft 1 by the first air port 101, outside tunnel ontology 6
It the gas that is blown into and collides, is unfavorable in the inner cavity of tunnel ontology 6 from being formed between gas derived in the inner cavity of tunnel ontology 6
The discharge of gas, therefore wind deflector is set, wind deflector can be avoided the air-flow outside tunnel ontology 6 and directly blow to the first air port 101,
Influence of the outer air-flow of tunnel ontology 6 to the air-flow in ventilation shaft 1 is reduced, is conducive to powerless ventilation device smoothly for tunnel sheet
Second-rate gas discharge in the inner cavity of body 6.
Preferably, blower chamber 2 is set as at least two groups, and each group blower chamber 2 is distributed along the extending direction of ventilation shaft 1,
Along the extending direction of ventilation shaft 1, under the action of one-way mechanism, the pectinid direction of each first rotary fan 201 is identical；Tunnel
The extending direction of ontology 6 includes reversed each other first direction and second direction, and a part of second rotary fan 202 follows first
The air-flow in direction rotates, and the second rotary fan of another part 202 follows the air-flow of second direction to rotate.A part second is rotated
Fan 202 is set as following the air-flow of first direction to rotate, and is set as second rotary fan 202 in another portion to follow second party
To air-flow rotation, no matter the airflow direction of air-flow in the inner cavity of tunnel ontology 6 in this way towards what direction, in ventilation shaft 1
Will not all change, convenient for ventilation shaft 1 be continuously in 6 inner cavity of tunnel ontology supplement fresh air or continue will be in tunnel ontology 6
The gas of poor quality in chamber is drawn to outside tunnel ontology 6, is easy to implement the stabilization of gaseous mass in the inner cavity of tunnel ontology 6
Improve.It should be noted that the pectinid direction of each first rotary fan 201 is identical, it is not necessarily referring to each first rotary fan 201
Pectinid in the same direction, and refer to each first rotary fan 201 and agitate the air-flow in ventilation shaft 1 in the side along ventilation shaft 1
It flows in the same direction upwards.
Certainly, 102 quantity of the second air port in 6 inner cavity of tunnel ontology can be multiple with scattering device, multiple second
Air port 102 makes it possible to through same ventilation shaft 1 be positions multiple in the inner cavity of tunnel ontology 6 ventilation, is conducive to improve tunnel
The gaseous mass of multiple positions in the inner cavity of road ontology 6 makes ventilation shaft 1 to the gas matter in the inner cavity of tunnel ontology 6 everywhere
The improvement of amount is more uniform.
Tunnel embodiment two:
Tunnel provided in this embodiment includes tunnel ontology 6 and two sets of powerless ventilation devices above-mentioned, each ventilation shaft 1
It is arranged along the extending direction of tunnel ontology 6, each ventilation shaft 1 is connected to the inner cavity of tunnel main body 6 and the outside of tunnel main body 6
Environment；Each second rotary fan 202 is located in the inner cavity of tunnel ontology 6, and the pectinid direction of each second rotary fan 202 is along tunnel
The extending direction of ontology 6；In a part of powerless ventilation device, the first rotary fan 201 is from the export-oriented tunnel ontology of tunnel ontology 6
Direction pectinid in 6 inner cavity；In another part powerless ventilation device, the first rotary fan 201 is from the inner cavity of tunnel ontology 6
Direction pectinid to outside tunnel ontology 6.A part of powerless ventilation device is by the gas of the poor quality in the inner cavity of tunnel ontology 6
Body is drawn to outside tunnel ontology 6, and the fresh air outside tunnel ontology 6 is supplemented to tunnel sheet by another part powerless ventilation device
In the inner cavity of body 6, makes that second-rate gas can be discharged in the inner cavity of tunnel ontology 6 in real time and supplement fresh sky in real time
Gas enables the gas in the inner cavity of tunnel ontology 6 to realize the friendship with the outer gas of tunnel ontology 6 by different ventilation devices
It changes, is more conducive to being promoted the air quality in the inner cavity of tunnel ontology 6.
The quantity of set powerless ventilation device is not limited to two sets on certain tunnel ontology 6, as long as having at least one
In addition set powerless ventilation device has at least a set of powerless ventilation device by tunnel to fresh air is supplemented in the middle part of tunnel ontology 6
The second-rate gas at 6 middle part of road ontology is drawn to outside tunnel ontology 6, can be achieved with the gas and tunnel at 6 middle part of tunnel ontology
The exchange of 6 extraneous gas of road ontology, it is ensured that the air quality at 6 middle part of tunnel ontology is effectively promoted.
Certainly, the air port in the inner cavity of tunnel ontology 6 of powerless ventilation device is not necessarily set to tunnel ontology 6
Middle part, the air port in the inner cavity of tunnel ontology 6 of unpowered device can be set to the position of any one improper ventilation, with
Realize the improvement to the air quality of improper ventilation position in the inner cavity of tunnel ontology 6.
The rest part of tunnel embodiment two is the same as tunnel embodiment one.
Finally it is emphasized that the above description is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is right
For those skilled in the art, the present invention can have various change and change, all within the spirits and principles of the present invention,
Any modification, equivalent substitution, improvement and etc. done, should all be included in the protection scope of the present invention.
Claims (10)
1. powerless ventilation device, including ventilation shaft, the ventilation shaft is equipped with the first air port and the second air port；
It is characterized by:
It further include blower chamber, the blower chamber includes the first rotary fan and the second rotary fan, first rotary wind
Fan is installed in the inner cavity of the ventilation shaft, and the pectinid direction of first rotary fan is along the extension side of the ventilation shaft
To second rotary fan is installed on outside the ventilation shaft, and first rotary fan and second rotary fan pass
Dynamic connection；
First rotary fan is provided with one-way mechanism, the one-way mechanism into the drive chain of second rotary fan
Limit the pectinid direction of first rotary fan.
2. powerless ventilation device according to claim 1, it is characterised in that:
The one-way mechanism includes ratchet mechanism or unilateral bearing, and the ratchet mechanism or the unilateral bearing are installed on described
One rotary fan is in the rotary shaft into the drive chain of second rotary fan.
3. powerless ventilation device according to claim 1, it is characterised in that:
The blower chamber further includes transmission shaft, the transmission shaft along the extending direction perpendicular to the ventilation shaft rotationally
It is arranged on the side wall of the ventilation shaft, the rotary shaft of first rotary fan is equipped with first bevel gear, the transmission
One end in the inner cavity of the ventilation shaft of axis is equipped with second bevel gear, the first bevel gear and second cone
Gear engaged transmission；
The one end of the transmission shaft being located at outside the ventilation shaft and second rotary fan are sequentially connected.
4. powerless ventilation device according to claim 1, it is characterised in that:
It further include ventilation protective cover, second rotating blading is located in the ventilation protective cover.
5. powerless ventilation device according to claim 1, it is characterised in that:
The powerless ventilation device further includes the first filter screen, and first filter screen covers first air port；And/or
The powerless ventilation device further includes the second filter screen, and second filter screen covers second air port.
6. powerless ventilation device according to any one of claims 1 to 5, it is characterised in that:
The blower chamber is set as at least two groups, and blower chamber described in each group is distributed along the extending direction of the ventilation shaft, edge
The extending direction of the ventilation shaft, under the action of the one-way mechanism, the pectinid direction phase of each first rotary fan
Together.
7. tunnel, including tunnel ontology, it is characterised in that:
It further include such as powerless ventilation device as claimed in any one of claims 1 to 6, the ventilation shaft is along the tunnel ontology
Extending direction arrangement, first air port is located at that the tunnel sheet is external, and second air port is located at the tunnel ontology
In inner cavity, second rotary fan is located in the inner cavity of the tunnel ontology, the pectinid direction edge of second rotary fan
The extending direction of the tunnel ontology.
8. tunnel according to claim 7, it is characterised in that:
The pectinid direction of first rotary fan be from second air port to first air port, first air port it is outer
Side is equipped with wind deflector, and there are vent passages between the ventilation shaft and the wind deflector, along the extension side of the ventilation shaft
To the wind deflector covers first air port.
9. tunnel according to claim 7, it is characterised in that:
The blower chamber is set as at least two groups, and blower chamber described in each group is distributed along the extending direction of the ventilation shaft, edge
The extending direction of the ventilation shaft, under the action of the one-way mechanism, the pectinid direction phase of each first rotary fan
Together；
The extending direction of the tunnel ontology includes reversed each other first direction and second direction, a part of second rotation
Fan follows the air-flow of the first direction to rotate, and the second rotary fan described in another part follows the air-flow of the second direction
Rotation.
10. tunnel, including tunnel ontology, it is characterised in that:
It further include at least two sets of powerless ventilation devices as described in as claimed in any one of claims 1 to 6, each ventilation shaft
Along the tunnel ontology extending direction arrange, each ventilation shaft be connected to the tunnel main body inner cavity and the tunnel
The external environment of road main body；Each second rotary fan is located in the inner cavity of the tunnel ontology, each second rotary wind
Extending direction of the pectinid direction of fan along the tunnel ontology；In a part of powerless ventilation device, first rotation
Fan is from the direction pectinid in the inner cavity of the export-oriented tunnel ontology of the tunnel ontology；The dress of Unpowered ventilation described in another part
In setting, first rotary fan is from the inner cavity of the tunnel ontology to the direction pectinid that the tunnel sheet is external.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048419.7A CN109630183A (en) | 2019-01-18 | 2019-01-18 | Powerless ventilation device and tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048419.7A CN109630183A (en) | 2019-01-18 | 2019-01-18 | Powerless ventilation device and tunnel |
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| CN109630183A true CN109630183A (en) | 2019-04-16 |
Family
ID=66061301
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| CN201910048419.7A Pending CN109630183A (en) | 2019-01-18 | 2019-01-18 | Powerless ventilation device and tunnel |
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