CN211777543U - Air volume compensation structure and air volume compensation equipment - Google Patents
Air volume compensation structure and air volume compensation equipment Download PDFInfo
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- CN211777543U CN211777543U CN202020328648.2U CN202020328648U CN211777543U CN 211777543 U CN211777543 U CN 211777543U CN 202020328648 U CN202020328648 U CN 202020328648U CN 211777543 U CN211777543 U CN 211777543U
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Abstract
The utility model discloses an amount of wind compensation structure and air compensation equipment, the amount of wind compensation structure is applied to the tunnel, and the amount of wind compensation structure includes: the air inlet pipeline is arranged along the tunnel inlet and outlet direction, one end of the compensation air chamber is connected to the air inlet pipeline, the other end of the compensation air chamber is connected with the air outlet pipeline, the compensation air chamber is provided with a compensation accommodating cavity communicated with the air inlet pipeline and the air outlet pipeline, a compensation air port is formed in the surface of the compensation air chamber, and air in the tunnel enters the compensation accommodating cavity through the compensation air port. The technical scheme of the utility model the amount of wind of air in can effectively guaranteeing the pipeline effectively transmits the outside air to the construction operation face, makes personnel and equipment can normally operate.
Description
Technical Field
The utility model relates to a tunnel engineering technical field especially relates to an amount of wind compensation structure and amount of wind compensation equipment.
Background
In the tunnel construction process, the position and external intercommunication are imported and exported only to the construction in tunnel usually, and inside being in half confined state in the tunnel, outside air can't effectively flow inside the tunnel, and constructor and construction equipment all need oxygen to accomplish the operation, consequently adopt the pipeline to infuse outside air inside the tunnel among the correlation technique to guarantee personnel and equipment can normally operate. However, as the tunnel is long, the pipeline is laid along the tunnel, and air volume loss is easy to occur in the process of air transmission in the pipeline, so that the air volume on the construction working face is very small, and the air volume is not enough for supporting personnel and equipment to continue construction.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
SUMMERY OF THE UTILITY MODEL
Based on this, aiming at the problem that the air quantity loss occurs when the air is transmitted in the pipeline, the air quantity transmitted to the construction working face is very small, and the air quantity is not enough to support personnel and equipment to continue construction, it is necessary to provide an air quantity compensation structure and air quantity compensation equipment, aiming at effectively ensuring the air quantity of the air in the pipeline and effectively transmitting the outside air to the construction working face.
In order to achieve the above object, the utility model provides an amount of wind compensation structure is applied to the tunnel, include:
the air inlet pipeline is arranged along the in-and-out direction of the tunnel; and
the air inlet pipe is communicated with the air inlet pipe, the air outlet pipe is communicated with the air inlet pipe, the compensation air chamber is provided with a compensation accommodating cavity communicated with the air inlet pipe and the air outlet pipe, a compensation air port is formed in the surface of the compensation air chamber, and air in the tunnel enters the compensation accommodating cavity through the compensation air port.
Optionally, the compensation plenum includes a housing, the housing includes a side plate opposite to the side wall surface of the tunnel, the housing further includes a top plate connected to the upper end of the side plate and a bottom plate connected to the lower end of the side plate, the top plate and the side of the bottom plate far away from the side plate are both abutted to the side wall surface of the tunnel, and the top plate, the bottom plate, the side plate and the side wall surface enclose to form the compensation accommodating cavity.
Optionally, sealing gaskets are arranged at the contact positions of the top plate and the bottom plate and the side wall surfaces of the tunnel.
Optionally, the compensation air inlet is positioned on at least one of the top plate, the bottom plate and the side plate
Optionally, the compensation air opening is provided with the top plate and the side plate, and a filtering part is arranged at the compensation air opening.
Optionally, the filtering component includes a primary filter, a middle-stage filter and a chemical filter, and the primary filter, the middle-stage filter and the chemical filter are sequentially arranged along the air inlet direction of the compensation air port.
Optionally, a compensation fan is disposed between the compensation air chamber and the air outlet pipeline.
Optionally, a sealing ring is arranged on a contact surface between the compensation air chamber and the air outlet pipeline.
Optionally, the compensation plenum is made of plastic steel.
Furthermore, in order to achieve the above object, the utility model also provides an amount of wind compensation equipment, include: the air supply device comprises an air supply fan and the air volume compensation structure, wherein the air supply fan is arranged in the air inlet pipeline and conveys air outside the tunnel into the air inlet pipeline.
The utility model provides an among the technical scheme, set up inlet duct and the pipeline of giving vent to anger respectively at compensation plenum both ends, the compensation plenum has the compensation and holds the chamber, and wind gets into from inlet duct, passes the compensation in proper order and holds the chamber and the pipeline of giving vent to anger. And a compensation air port is formed in the surface of the compensation air chamber, and air in the tunnel enters the compensation accommodating cavity through the compensation air port, so that the air volume of the compensation accommodating cavity is increased. Therefore, under the condition of conveying air outside the tunnel, air in the tunnel can be utilized through the compensation air chamber, so that the air quantity lost in the pipeline can be compensated, the air outside the tunnel is guaranteed to be conveyed to a construction operation surface under the driving of sufficient air quantity, and personnel and equipment can normally operate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of the air volume compensation structure of the present invention;
fig. 2 is a schematic structural view of the air inlet and outlet direction of the air volume compensation structure of the present invention;
FIG. 3 is a schematic view of a part of the structure of the shell installation of the present invention;
FIG. 4 is a schematic structural view of the filter element of the present invention;
fig. 5 is a schematic structural view of the fastener of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
40 | |
| 110 | |
50 | |
| 20 | |
510 | |
| 30 | |
520 | Middle- |
| 301 | |
530 | |
| 310 | |
60 | |
| 320 | |
610 | |
| 330 | |
620 | |
| 340 | |
70 | |
| 350 | |
80 | Compensation fan |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1, the air volume compensation structure provided in this embodiment is applied to a tunnel 10, especially a plateau tunnel, and has a relatively low air volume outside the tunnel due to a relatively high altitude and a relatively thin air volume. The air quantity compensation structure comprises: an inlet duct 20, a compensation plenum 30 and an outlet duct 40. An air inlet pipeline 20 is arranged at one end of the compensation air chamber 30, and an air outlet pipeline 40 is arranged at the other end.
The air inlet duct 20 is disposed along the entrance and exit direction of the tunnel 10; air inlet duct 20 extends from the tunnel entrance position of tunnel 10 toward the inside of tunnel 10, and an air outlet duct 40 is further provided near the construction work surface of tunnel 10, air outlet duct 40 serving to transfer the air in tunnel 10 to the construction work surface.
One end of the compensation air chamber 30 is connected to the air inlet pipe 20, the other end of the compensation air chamber 30 is connected to the air outlet pipe 40, the compensation air chamber 30 is provided with a compensation accommodating cavity 301 communicated with the air inlet pipe 20 and the air outlet pipe 40, a compensation air port is arranged on the surface of the compensation air chamber 30, and air in the tunnel 10 enters the compensation accommodating cavity 301 through the compensation air port. Since there is also air flow in the tunnel 10, although the oxygen content of the air inside the tunnel 10 may be low, the proportional composition of the monomer population is close to that of the air inside the tunnel 10. When air is transferred in the inlet duct 20 and the outlet duct 40, the amount of air becomes small due to leakage of the ducts, and the amount of the leaked air can be supplemented by the compensation tuyere.
In the technical solution provided in this embodiment, an air inlet duct 20 and an air outlet duct 40 are respectively disposed at two ends of a compensation air chamber 30, the compensation air chamber 30 has a compensation accommodating cavity 301, and air enters from the air inlet duct 20 and sequentially passes through the compensation accommodating cavity 301 and the air outlet duct 40. The surface of the compensation air chamber 30 is provided with a compensation air port, and air in the tunnel 10 enters the compensation accommodating cavity 301 through the compensation air port, so that the air volume of the compensation accommodating cavity 301 is increased. Therefore, under the condition of conveying air outside the tunnel, the air inside the tunnel 10 can be utilized through the compensation air chamber 30, so that the air volume lost in the pipeline can be compensated, the air outside the tunnel 10 is conveyed to a construction working face under the drive of sufficient air volume, and personnel and equipment can normally work.
Referring to fig. 2, the compensating plenum 30 includes a housing, the housing includes a side plate 320 opposite to the side wall surface of the tunnel 10, the housing further includes a top plate 310 connected to the upper end of the side plate 320, and a bottom plate 330 connected to the lower end of the side plate 320, the sides of the top plate 310 and the bottom plate 330 far away from the side plate 320 are both abutted to the side wall surface 110 of the tunnel 10, and the top plate 310, the bottom plate 330, the side plate 320 and the side wall surface 110 enclose to form a compensating cavity 301.
It will be appreciated that the housing snaps onto the side wall surface 110 of the tunnel 10. Accordingly, the structure of the tunnel 10 is fully utilized, so that the material for constructing the compensation plenum 30 can be saved, and the compensation volume 301 can be effectively formed. In addition, referring to fig. 3, the tunnel 10 is generally constructed of cement or concrete, the surface of the tunnel 10 is not smooth enough, gaps may be generated at the positions where the top plate 310 and the bottom plate 330 abut against the tunnel 10, and air stored in the compensation plenum 30 may leak out to the external environment through the gaps, and therefore, the sealing gaskets 340 are provided at the positions where the top plate 310 abuts against the side wall surfaces 110 and the positions where the bottom plate 330 abuts against the side wall surfaces 110, and the leakage of air stored in the compensation plenum 30 can be reduced by the sealing effect of the sealing gaskets 340. Further, a fixing member 350 is provided at a position where the top plate 310 and the side wall surface 110 abut, and the top plate 310 and the side wall surface 110 are further fixed together by the fixing member 350 passing through the gasket 340. For example by means of screws. Similarly, a gasket 340 is provided at a position where the bottom plate 330 abuts against the side wall surface 110, and the bottom plate 330 is fixed to the side wall surface 110 by a fixing member 350.
In one embodiment, the compensation air port is located in at least one of the top plate 310, the bottom plate 330 and the side plate 320. When the structure of the tunnel 10 is fully utilized, the compensation air chamber 30 has a substantially rectangular structure, wherein the positions in the front-back direction are respectively used for connecting the air inlet pipe 20 and the air outlet pipe 40, the compensation air ports are located on at least one of the top plate 310, the bottom plate 330 and the side plate 320, specifically, the compensation air ports may be located on the top plate 310, the bottom plate 330 and the side plate 330, and the compensation air ports may also be located on the side plate 320, further, the compensation air ports may be located on at least one of the top plate 310, the bottom plate 330 and the side plate 320, specifically, the compensation air ports may be located on two positions of the top plate 310, the bottom plate 330 and the side plate 320, and furthermore, the compensation air ports are all. The compensation air ports formed in the top plate 310, the bottom plate 330 and the side plates 320 enable air in the tunnel 10 to directly enter the compensation accommodating cavity 301, and time for the air to enter the compensation accommodating cavity 301 is shortened.
In one embodiment, the compensation air opening is provided with a top plate 310 and a side plate 320, and the filter member 50 is provided at the compensation air opening. In particular, the tunnel 10 is often under construction, exhaust gas and dust are easily generated when construction vehicles are operated, and harmful gas may also be present in the rocks of the tunnel. And these dust and harmful gases usually linger in the lower layers of the space of the tunnel 10. The provision of the compensation air ports on the top plate 310 and the side plates 320 prevents dust or harmful gas in the lower space of the tunnel 10 from entering the compensation air chamber 30. The compensation tuyere setting top plate 310 and side plate 320 are also increased in position as much as possible. In addition, a filter part 50 is arranged at the compensation air inlet, and the air entering the compensation air chamber 30 can be filtered through the filter part 50, so that dust and harmful gas are filtered, and the cleanness degree of the air in the compensation air chamber 30 is ensured.
In one embodiment, referring to fig. 4, the filtering part 50 includes a primary filter 510, a middle filter 520, and a chemical filter 530, and the primary filter 510, the middle filter 520, and the chemical filter 530 are sequentially disposed along an air intake direction of the compensation air inlet. Specifically, the primary filter 510 is also a primary filter, and is mainly used for filtering dust particles of 5um or more. The primary filter is of a plate type, a folding type and the like, the outer frame is made of a paper frame, an aluminum frame and a galvanized iron frame, the filtering materials are non-woven fabrics, nylon nets, activated carbon filtering materials, metal mesh nets and the like, the primary filter 510 generally comprises a protective net, and the protective net is made of two types, namely a double-sided plastic-sprayed wire net and a double-sided galvanized wire net. The primary filter 510 has a filtration efficiency of 90% or more with respect to a particle size of 10 um. The middle filter 520 is also a middle filter, which mainly comprises non-woven fabric or glass fiber, and is used for filtering dust with small particle size, and the filtering efficiency of 1um particle size is greater than or equal to 95%. The chemical filter 530 is used to filter out offensive odor, toxic and harmful gases and corrosive gases in the air. The chemical filter 530 includes various chemical filters, and the chemical filters react with the harmful gas in the tunnel 10 to filter out the harmful gas in the air. The selection of the chemical filter is set primarily by the harmful gases within the tunnel 10.
In one embodiment, a make-up fan 80 is disposed between the make-up plenum 30 and the outlet duct 40. In addition, the air pressure is reduced and the air volume is reduced due to the friction between the air molecules and the inner wall of the tunnel 10, and a compensation fan 80 is arranged through the air outlet pipeline 40. The compensation blower 80 is used to increase the pressure of the air flow in the outlet duct 40. The compensation fan 80 may be an axial flow fan, air is transported in the pipeline for a long distance, and the wind pressure of the wind volume is reduced due to molecular impact inside the airflow and friction between the airflow and the inner wall of the pipeline. The operation of the compensation fan 80 drives the air to flow forward, so that the air in the pipeline is provided with enough power, the air pressure is ensured, and the air in the pipeline can be quickly transmitted to the construction operation surface. In addition, the compensation fan 80 is generally heavier than the air outlet pipe 40, and in order to ensure that the air inlet pipe 20 and the air outlet pipe 40 maintain the same height above the ground, a support frame is arranged below the compensation fan 80 to avoid the pipeline deformation caused by the self gravity of the compensation fan 80.
In one embodiment, and as shown in FIG. 5, a seal ring 70 is provided at the interface between the compensation plenum 30 and the outlet duct 40. Specifically, a fastening member 60 is arranged at the connecting position of the compensation air chamber 30 and the air outlet pipe 40, the fastening member 60 comprises a first fastening portion 610 arranged on the compensation air chamber 30, the fastening member 60 further comprises a second fastening portion 620 arranged on the air outlet pipe 40, and the first fastening portion 610 and the second fastening portion 620 are butted and fastened to connect the compensation air chamber 30 and the air outlet pipe 40.
In one embodiment, the compensating plenum 30 is made of plastic steel. The plastic steel material is an existing material, the modular design of the air compensation chamber 30 can be facilitated through the plastic steel, the plastic steel is easy to disassemble after construction is finished, the disassembled parts can be reassembled, and the plastic steel can be used for new tunnel construction.
In addition, an oxygen content detecting component may be further disposed in the compensation air chamber 30 for prompting whether the oxygen content in the compensation air chamber 30 meets the standard.
The utility model also provides an amount of wind compensation equipment, include: and the air volume compensation structure, the air blower is arranged in the air inlet pipeline 20, and the air blower conveys the air outside the tunnel 10 into the air inlet pipeline 20.
The air volume compensation structure is applied to tunnels, particularly plateau tunnels, and due to the fact that the altitude is high, air is thin, and the air volume outside the tunnels is small. The air quantity compensation structure comprises: an inlet duct 20, a compensation plenum 30 and an outlet duct 40. An air inlet pipeline 20 is arranged at one end of the compensation air chamber 30, and an air outlet pipeline 40 is arranged at the other end.
The air inlet duct 20 is disposed along the entrance and exit direction of the tunnel 10; air inlet duct 20 extends from the tunnel entrance position of tunnel 10 toward the inside of tunnel 10, and an air outlet duct 40 is further provided near the construction work surface of tunnel 10, air outlet duct 40 serving to transfer the air in tunnel 10 to the construction work surface.
One end of the compensation air chamber 30 is connected to the air inlet pipe 20, the other end of the compensation air chamber 30 is connected to the air outlet pipe 40, the compensation air chamber 30 is provided with a compensation accommodating cavity 301 communicated with the air inlet pipe 20 and the air outlet pipe 40, a compensation air port is arranged on the surface of the compensation air chamber 30, and air in the tunnel 10 enters the compensation accommodating cavity 301 through the compensation air port. Since there is also air flow in the tunnel 10, although the oxygen content of the air inside the tunnel 10 may be low, the proportional composition of the monomer population is close to that of the air inside the tunnel 10. When air is transferred in the inlet duct 20 and the outlet duct 40, the amount of air becomes small due to leakage of the ducts, and the amount of the leaked air can be supplemented by the compensation tuyere.
In the technical solution provided in this embodiment, an air inlet duct 20 and an air outlet duct 40 are respectively disposed at two ends of a compensation air chamber 30, the compensation air chamber 30 has a compensation accommodating cavity 301, and air enters from the air inlet duct 20 and sequentially passes through the compensation accommodating cavity 301 and the air outlet duct 40. The surface of the compensation air chamber 30 is provided with a compensation air port, and air in the tunnel 10 enters the compensation accommodating cavity 301 through the compensation air port, so that the air volume of the compensation accommodating cavity 301 is increased. Therefore, under the condition of conveying air outside the tunnel, the air inside the tunnel 10 can be utilized through the compensation air chamber 30, so that the air volume lost in the pipeline can be compensated, the air outside the tunnel 10 is conveyed to a construction working face under the drive of sufficient air volume, and personnel and equipment can normally work.
The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.
Claims (10)
1. The utility model provides an amount of wind compensation structure, is applied to the tunnel, its characterized in that includes:
the air inlet pipeline is arranged along the in-and-out direction of the tunnel; and
the air inlet pipe is communicated with the air inlet pipe, the air outlet pipe is communicated with the air inlet pipe, the compensation air chamber is provided with a compensation accommodating cavity communicated with the air inlet pipe and the air outlet pipe, a compensation air port is formed in the surface of the compensation air chamber, and air in the tunnel enters the compensation accommodating cavity through the compensation air port.
2. The air volume compensation structure of claim 1, wherein the compensation plenum comprises a housing, the housing comprises a side plate opposite to the side wall surface of the tunnel, the housing further comprises a top plate connected with the upper end of the side plate and a bottom plate connected with the lower end of the side plate, the sides of the top plate and the bottom plate far away from the side plate are abutted against the side wall surface of the tunnel, and the top plate, the bottom plate, the side plate and the side wall surface are enclosed to form the compensation accommodating cavity.
3. The air volume compensation structure of claim 2, wherein sealing gaskets are arranged at the contact positions of the top plate and the bottom plate with the side wall surfaces of the tunnel.
4. The air volume compensating structure of claim 2, wherein the compensating tuyere is located in at least one of the top plate, the bottom plate and the side plate.
5. The air volume compensating structure of claim 4, wherein the compensating tuyere is provided with the top plate and the side plate, and a filtering part is provided at the compensating tuyere.
6. The air volume compensation structure of claim 5, wherein the filtering part comprises a primary filter, a middle filter and a chemical filter, and the primary filter, the middle filter and the chemical filter are sequentially arranged along the air inlet direction of the compensation air inlet.
7. The air volume compensation structure of any one of claims 1 to 6, wherein a compensation fan is provided between the compensation air chamber and the air outlet duct.
8. The air volume compensating structure of claim 7, wherein a sealing ring is arranged on a contact surface between the compensation air chamber and the air outlet pipeline.
9. The air volume compensation structure of any one of claims 1 to 6, wherein the compensation plenum is made of plastic steel.
10. An air volume compensating apparatus, comprising: an air volume compensating structure according to any one of claims 1 to 9, and a blower provided in the intake duct, the blower conveying tunnel outside air into the intake duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020328648.2U CN211777543U (en) | 2020-03-16 | 2020-03-16 | Air volume compensation structure and air volume compensation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020328648.2U CN211777543U (en) | 2020-03-16 | 2020-03-16 | Air volume compensation structure and air volume compensation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777543U true CN211777543U (en) | 2020-10-27 |
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ID=72930118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020328648.2U Active CN211777543U (en) | 2020-03-16 | 2020-03-16 | Air volume compensation structure and air volume compensation equipment |
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| Country | Link |
|---|---|
| CN (1) | CN211777543U (en) |
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2020
- 2020-03-16 CN CN202020328648.2U patent/CN211777543U/en active Active
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