CN115898504A - Ventilation device for long tunnel - Google Patents
Ventilation device for long tunnel Download PDFInfo
- Publication number
- CN115898504A CN115898504A CN202211558531.3A CN202211558531A CN115898504A CN 115898504 A CN115898504 A CN 115898504A CN 202211558531 A CN202211558531 A CN 202211558531A CN 115898504 A CN115898504 A CN 115898504A
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- pipe
- port
- air duct
- air
- fan
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- 238000009423 ventilation Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
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- Ventilation (AREA)
Abstract
The invention discloses a ventilation device for a long tunnel, which comprises a fan, wherein an air outlet of the fan is connected with one end of a main pipe through a connecting cylinder, the other end port of the main pipe is connected with a plug, the main pipe is a long pipe formed by splicing a plurality of hoses through a three-way pipe, the first port and the second port of the three-way pipe are respectively connected with the hoses, a plastic pipe is fixedly arranged in the main pipe, the plastic pipe is a circular pipe with two closed ends, a wire is arranged in the plastic pipe, a plurality of branch lines are arranged on the wire, one ends of the branch lines are fixedly connected with power plugs, the branch lines correspond to the three-way pipe one by one, one ends of the branch lines extend out of the three-way pipe through the third port of the three-way pipe, one ends of the wire penetrate through the closed surface at one end of the plastic pipe and extend into the connecting cylinder and penetrate through the side wall of the connecting cylinder to be connected with a transformer outside the connecting cylinder, and the transformer is connected with commercial power through a bolt. The invention has the advantages of effectively reducing the load of the fan, prolonging the service life of the fan and having flexible use mode.
Description
Technical Field
The invention relates to the technical field of ventilation of tunnels, in particular to a ventilation device for a long tunnel.
Background
In the tunnel engineering, in order to ensure the safety of construction, ventilation work in the tunnel must be done, the conventional ventilation mode is to blow air outside the tunnel into the tunnel through a large fan unit, and in order to ensure that the air blown into the tunnel by the fan unit can have enough pressure to transmit the deep part of the tunnel, workers need to assist the fan to transmit through a corresponding pipeline.
However, the output power of the fan needs to be continuously increased along with the extension of the tunnel in the ventilation mode, even if the air pressure of air is kept in an auxiliary mode through a corresponding pipeline, the technical problem that the air pressure in the pipeline is gradually weakened along with the distance cannot be solved, however, the output power of the fan is continuously increased, the energy consumption is high, the load of the fan is large, the failure rate of the fan is high, and the service life of the fan is affected.
Disclosure of Invention
The invention aims to solve the problems and designs a ventilation device for a long tunnel.
A ventilation device for a long tunnel comprises a fan, an air outlet of the fan is connected with one end of a main pipe through a connecting cylinder, the other end port of the main pipe is connected with a plug, the main pipe is a long pipe formed by splicing a plurality of hoses through a three-way pipe, a first port and a second port of the three-way pipe are respectively connected with the hoses,
a plastic pipe is fixedly arranged in the main pipe, the plastic pipe is a round pipe with two closed ends, a wire is arranged in the plastic pipe, a plurality of branch lines are arranged on the wire, one ends of the branch lines are fixedly connected with power plugs, the branch lines correspond to the three-way pipe one by one, one ends of the branch lines extend out of the three-way pipe through a third port of the three-way pipe, one ends of the wires penetrate through the closed surface at one end of the plastic pipe and extend into the connecting cylinder, and penetrate through the side wall of the connecting cylinder to be connected with a transformer outside the connecting cylinder, and the transformer is connected with commercial power through a bolt;
a mounting flange is fixed at a third port of the three-way pipe, the third port of the three-way pipe is fixedly connected with an air duct through a flange, the air duct is a cylinder with the upper end closed and the lower end opened, the upper end surface of the air duct is fixedly connected with the flange through a bolt, the third port of the three-way pipe penetrates through the upper end surface of the air duct and extends into the air duct, a fan cover is fixedly installed at the lower port of the air duct, the fan cover is of a circular truncated cone-shaped structure with the upper end opened and the lower end closed, the upper end opening of the fan cover is connected with the lower end port of the air duct in a threaded connection mode, and a plurality of air holes are formed in the side surface of the fan cover;
an air pump is fixedly installed in the air duct, the air pump is an air pump with a rated voltage of twenty-four volts, a power plug is inserted into a power supply interface of the air pump to supply power to the air pump, a switch button is fixedly installed on the outer surface of the air duct and connected with a control port of the air pump through a wire, a booster ring is fixedly installed in a port at the lower end of the air duct, and the diameter of an inner hole of the booster ring is not more than five centimeters;
the end cap comprises a sealing cover, a cylindrical boss is arranged on one side of the sealing cover, external threads are arranged on the boss, the boss is inserted into the other end port of the main pipe, the external threads on the boss are connected with the internal threads of the other end port of the main pipe, a handle is arranged on the other side of the end cap, the other end port of the main pipe is provided with internal threads, the boss is inserted into the other end port of the main pipe, and the external threads on the boss are connected with the internal threads in the port.
The plastic pipe is fixedly connected with the inner surface of the three-way pipe through the connecting rod, the third port of the three-way pipe is close to the port of the air inlet pipe of the air pump but is not in butt joint with the port of the air inlet pipe of the air pump, the port of the air outlet pipe of the air pump is fixedly provided with a one-way valve, and the flow direction of the one-way valve is that the air outlet pipe of the air pump points to the booster ring.
The height of the fan cover is not more than ten centimeters, and the center line of the lower end sealing surface of the fan cover is superposed with the center line of the air duct.
The pressure increasing ring is a plastic ring, and the central line of the pressure increasing ring coincides with the central line of the air duct.
And a sealing ring is arranged at the contact part of the upper end surface of the air duct and the third port of the three-way pipe.
The length of the air duct is not more than thirty centimeters.
The lower end sealing surface of the fan cover is conical.
The transformer is a two-hundred twenty-ten volt to twenty-four volt transformer.
The fan is provided with a corresponding controller and a power line, and the power line is connected with the commercial power through a plug.
Advantageous effects
The ventilation device for the long tunnel manufactured by the technical scheme of the invention has the following advantages:
1. the device assists air pressurization in the hose through the twenty-four volt air pump, the one-way valve and the pressurization ring in the air duct, so that the technical problem that the output power of the fan is gradually improved due to the extension of a drainage pipeline is effectively avoided while the ventilation efficiency in the tunnel is ensured, the energy consumption is reduced, the burden of the fan is lightened, and the service life of the fan is prolonged;
2. this device controls the start-up and the stop of air pump in the dryer through the switch, can directly close the air pump in the dryer in the region that need not take a breath to effectual pipeline internal gas pressure that slows down reduces, and the using-way is very nimble.
Drawings
Fig. 1 is a schematic structural view of a ventilation apparatus for a long tunnel according to the present invention;
FIG. 2 is a schematic view of the structure of the upper surface of the flange according to the present invention;
FIG. 3 is a schematic structural view of the plug of the present invention;
in the figure, 1, a fan; 2. a main pipe; 3. a plug; 4. a hose; 5. a connecting cylinder; 6. a three-way pipe; 7. a plastic tube; 8. a wire; 9. a branch line; 10. a power plug; 11. a transformer; 12. a bolt; 13. a flange; 14. an air duct; 15. a fan housing; 16. air holes; 17. an air pump; 18. a switch button; 19. sealing the cover; 20. a boss; 21. a handle; 22. a seal ring; 23. a controller; 24. a power line; 25. a one-way valve; 26. a connecting rod.
Detailed Description
The invention is described in detail below with reference to the drawings, as shown in FIGS. 1-3;
the application is characterized in that a plastic pipe 7 is fixedly installed in a main pipe, the plastic pipe is a round pipe with two closed ends, a wire 8 is arranged in the plastic pipe, a plurality of branch lines 9 are arranged on the wire, one end of each branch line is fixedly connected with a power plug 10, the branch lines correspond to the three-way pipe one to one, one end of each branch line extends out of the three-way pipe through the third port of the three-way pipe, one end of the wire penetrates through the closed surface at one end of the plastic pipe and extends into the connecting cylinder and penetrates through the side wall of the connecting cylinder to be connected with a transformer outside the connecting cylinder, and the transformer 11 is connected with commercial power through a bolt 12;
the three-way air duct is characterized in that an installation flange 13 is fixed at a third port of the three-way pipe, the third port of the three-way pipe is fixedly connected with an air duct 14 through a flange, the air duct is a cylinder with the upper end closed and the lower end open, the upper end surface of the air duct is fixedly connected with the flange through a bolt, the third port of the three-way pipe penetrates through the upper end surface of the air duct and extends into the air duct, a fan cover 15 is fixedly installed at the lower port of the air duct, the fan cover is of a circular truncated cone-shaped structure with the upper end open and the lower end closed, the upper end open of the fan cover is connected with the lower end port of the air duct in a threaded connection mode, and a plurality of air holes 16 are formed in the side surface of the fan cover;
the air pump is characterized in that an air pump 17 is fixedly installed in an air duct, the air pump is a twenty-four volt rated voltage air pump, a power plug is inserted into a power supply interface of the air pump to supply power for the air pump, a switch button 18 is fixedly installed on the outer surface of the air duct, the switch button is connected with a control port of the air pump through a wire, a booster ring is fixedly installed in a lower end port of the air duct, and the diameter of an inner hole of the booster ring is not more than five centimeters;
the utility model provides a creation point still lies in, includes closing cap 19 at the end cap, one side of closing cap is equipped with columniform boss 20, be equipped with the external screw thread on the boss, the boss inserts the other end port of being responsible for, external screw thread on the boss and the female connection who is responsible for other end port, the opposite side of end cap is equipped with handle 21, the other end port of being responsible for is equipped with the internal thread, the boss inserts the other end port of being responsible for, external screw thread and the intraoral female connection of port on the boss.
The electronic device adopted by the technical scheme comprises:
a fan with rated voltage of two hundred twenty-ten volts and a matched controller and a power line thereof;
the rated voltage of the air pump is twenty-four volts;
the electronic devices are all existing products, the technical scheme of the application has no special requirements and changes on the structures of the electronic devices, and the electronic devices all belong to conventional electronic equipment;
in the implementation process of the technical scheme, a person in the art needs to connect all the electrical components in the present application with a power supply adapted to the electrical components through a wire, and should select an appropriate controller according to actual conditions to meet control requirements, and specific connection and control sequence.
The application is characterized in that the plastic pipe is fixedly connected with the inner surface of the three-way pipe through a connecting rod 26, the third port of the three-way pipe is close to but not in butt joint with the port of the air inlet pipe of the air pump, a check valve 25 is fixedly installed in the port of the air outlet pipe of the air pump, and the flow direction of the check valve is that the air outlet pipe of the air pump points to the booster ring; the height of the fan cover is not more than ten centimeters, and the center line of the closed surface at the lower end of the fan cover is superposed with the center line of the air duct; the pressurizing ring is a plastic circular ring, and the central line of the pressurizing ring is superposed with the central line of the air duct; a sealing ring 22 is arranged on the contact part of the upper end surface of the air duct and the third port of the three-way pipe; the length of the air duct is not more than thirty centimeters; the lower end sealing surface of the fan cover is conical; the transformer is a two-hundred twenty-ten volt to twenty-four volt transformer; the fan is provided with a corresponding controller 23 and a power cord 24, which is connected with the mains supply through a plug.
This application technical scheme is in the implementation process, the staff installs the fan in tunnel mouth department, then splice into through hose and three-way pipe and be responsible for and lay the power supply line in being responsible for simultaneously, the three-way pipe passes through the bolt fastening on the inner wall in tunnel, if the height that is responsible for of needs adjustment, can adjust the circuit of being responsible for the process through the fixed position of adjusting the three-way pipe, then start fan and corresponding air pump, because twenty-four volt air pump has undertaken the work of being responsible for air-out position pressure boost, the fan of tunnel mouth only need undertake the interior gas pressure boost of main pipe just can, consequently, the effectual output that reduces the fan, the load of fan has been reduced, fan life has been prolonged, the fault rate has been reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (9)
1. A ventilation device for a long tunnel comprises a fan (1), an air outlet of the fan is connected with one end of a main pipe (2) through a connecting cylinder (5), the other end port of the main pipe is connected with a plug (3), the main pipe is a long pipe formed by splicing a plurality of hoses (4) through a three-way pipe (6), the first port and the second port of the three-way pipe are respectively connected with the hoses,
a plastic pipe (7) is fixedly installed in the main pipe, the plastic pipe is a round pipe with two closed ends, a wire (8) is arranged in the plastic pipe, a plurality of branch lines (9) are arranged on the wire, one end of each branch line is fixedly connected with a power plug (10), the branch lines correspond to the three-way pipe one by one, one end of each branch line extends out of the three-way pipe through the third port of the three-way pipe, one end of the wire penetrates through the closed surface at one end of the plastic pipe and extends into the connecting cylinder and penetrates through the side wall of the connecting cylinder to be connected with a transformer outside the connecting cylinder, and the transformer (11) is connected with commercial power through a bolt (12);
a mounting flange (13) is fixed at the third port of the three-way pipe, the third port of the three-way pipe is fixedly connected with an air duct (14) through a flange, the air duct is a cylinder with the upper end closed and the lower end opened, the upper end surface of the air duct is fixedly connected with the flange through a bolt, the third port of the three-way pipe penetrates through the upper end surface of the air duct and extends into the air duct, a fan cover (15) is fixedly mounted at the lower port of the air duct, the fan cover is of a truncated cone-shaped structure with the upper end opened and the lower end closed, the upper end opening of the fan cover is connected with the lower end port of the air duct in a threaded connection manner, and a plurality of air holes (16) are formed in the side surface of the fan cover;
an air pump (17) is fixedly installed in the air duct, the air pump is an air pump with a rated voltage of twenty-four volts, a power plug is inserted into a power interface of the air pump to supply power to the air pump, a switch button (18) is fixedly installed on the outer surface of the air duct, the switch button is connected with a control port of the air pump through a wire, a booster ring is fixedly installed in a port at the lower end of the air duct, and the diameter of an inner hole of the booster ring is not more than five centimeters;
the end cap comprises a sealing cover (19), one side of the sealing cover is provided with a cylindrical boss (20), an external thread is arranged on the boss, the boss is inserted into the other end port of the main pipe, the external thread on the boss is connected with the internal thread of the other end port of the main pipe, the other side of the end cap is provided with a handle (21), the other end port of the main pipe is provided with an internal thread, the boss is inserted into the other end port of the main pipe, and the external thread on the boss is connected with the internal thread in the end port.
2. The ventilation and air-exchange device for the long tunnel according to claim 1, wherein the plastic pipe is fixedly connected with the inner surface of the three-way pipe through a connecting rod (26), the third port of the three-way pipe is close to but not in butt joint with the inlet pipe port of the air pump, a one-way valve (25) is fixedly installed in the outlet pipe port of the air pump, and the flow direction of the one-way valve is directed to the booster ring from the outlet pipe of the air pump.
3. A ventilation device for a long tunnel according to claim 1, wherein the height of said hood is not more than ten cm, and the center line of the lower end closed surface of said hood coincides with the center line of said air duct.
4. The ventilation and air-exchange device for the long tunnel according to claim 1, characterized in that the supercharging ring is a plastic circular ring, and the central line of the supercharging ring coincides with the central line of the air duct.
5. A ventilation device for long tunnels according to claim 1, characterized in that a sealing ring (22) is arranged on the contact part of the upper end surface of the air duct and the third port of the tee pipe.
6. A ventilation apparatus for a long tunnel according to claim 1, wherein the length of said air duct is not more than thirty centimeters.
7. A ventilation device for a long tunnel according to claim 1, wherein the lower closed surface of said hood is conical.
8. A ventilation device for long tunnels according to claim 1, wherein said transformer is a two hundred twenty-four volt transformer.
9. A ventilation device for long tunnels according to claim 1, characterized in that said fans are equipped with respective controllers (23) and power cords (24) connected to the mains by means of plugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211558531.3A CN115898504A (en) | 2022-12-06 | 2022-12-06 | Ventilation device for long tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211558531.3A CN115898504A (en) | 2022-12-06 | 2022-12-06 | Ventilation device for long tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115898504A true CN115898504A (en) | 2023-04-04 |
Family
ID=86486654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211558531.3A Withdrawn CN115898504A (en) | 2022-12-06 | 2022-12-06 | Ventilation device for long tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115898504A (en) |
-
2022
- 2022-12-06 CN CN202211558531.3A patent/CN115898504A/en not_active Withdrawn
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230404 |
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| WW01 | Invention patent application withdrawn after publication |