CN217462229U - Streamlined dust cage and tunnel ventilation dust pelletizing system - Google Patents
Streamlined dust cage and tunnel ventilation dust pelletizing system Download PDFInfo
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- CN217462229U CN217462229U CN202220576586.6U CN202220576586U CN217462229U CN 217462229 U CN217462229 U CN 217462229U CN 202220576586 U CN202220576586 U CN 202220576586U CN 217462229 U CN217462229 U CN 217462229U
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Abstract
The utility model belongs to the technical field of tunnel ventilation dust removal, in particular to a streamlined dust hood and a tunnel ventilation dust removal system, which comprises a dust hood body, a streamlined air pipe arranged in the dust hood body and a dust blocking mechanism detachably arranged on the outer side wall of the opening end of the dust hood body, wherein the streamlined air pipe is arranged in the dust hood body, and the streamlined air pipe can reduce the internal resistance of the air pipe, so that the flow field is more stable, accelerate the air flow to enter internal dust removal equipment through the air pipe, and improve the dust removal efficiency; can dismantle simultaneously on dust collecting cover body open end lateral wall and be equipped with dust blocking mechanism, reach the purpose of increase collection dirt cross-sectional dimension through setting up dust blocking mechanism, block dust collecting cover body outside wind current, reduce the wind current loss, and can flow the wind current drainage to the internal streamlined air pipe of dust collecting cover in, further improve dust fall efficiency, this application dust blocking mechanism demountable installation moreover, simple structure, it is convenient to install the maintenance.
Description
[ technical field ] A
The utility model belongs to the technical field of the tunnel ventilation dust removal, especially, relate to a streamlined dust cage and tunnel ventilation dust pelletizing system.
[ background ] A method for producing a semiconductor device
Ventilation and dust removal of a road tunnel excavation surface are always hot spots for discussion and research in the tunnel construction industry. Drilling, blasting, spray concrete, slagging tap etc. produce a large amount of dust particulate matters during the construction, and the inside semi-closed in tunnel, the difficult diffusion of pollutant, visibility reduces, seriously harms the healthy of site personnel, and a large amount of dusts aggravate mechanical equipment wearing and tearing simultaneously, cause equipment trouble.
At present, a dust fall method in a tunnel mainly adopts mechanical ventilation and dust removal, a dust hood is installed at an air inlet of a dust removal and air extraction device, but the internal flow field resistance of the existing dust hood is large, and a large amount of dirty air directly passes through the outer side of the dust hood and does not enter from a ventilation pipeline of the dust hood, so that the dust collection efficiency is low, and the ideal dust fall effect cannot be achieved.
[ Utility model ] A method for manufacturing a semiconductor device
The utility model provides a streamlined dust cage and tunnel ventilation dust pelletizing system, aim at solves the problem that points out among the background art.
The utility model discloses realized by following technical scheme:
a streamline dust-collecting cover comprises a dust-collecting cover body, a streamline ventilating pipeline arranged in the dust-collecting cover body and a dust blocking mechanism detachably arranged on the outer side wall of the opening end of the dust-collecting cover body.
As above a streamlined dust cage, keep off dirt mechanism including locating the dust cloth circle of keeping off of dust cage body week side, cover and establish the sealing washer at the dust cage body open end and a plurality of support piece that radially passes sealing washer and the dust cage body along the dust cage body, keep off dirt cloth circle one end and locate between sealing washer and the dust cage body, the other end is kept away from dust cage body one end with support piece and is connected, and is a plurality of support piece passes sealing washer and dust cage body with fixed connection sealing washer and the dust cage body to make sealing washer and dust cage body press from both sides tight fixed dust cloth circle.
The streamlined dust collecting cover comprises a support rod part and a connecting rod part, wherein a plurality of connecting holes corresponding to and matched with the connecting rod part are arranged on the dust collecting cover body and the sealing ring.
The streamline dust collection cover is characterized in that the support rod part is fixedly connected with the connecting rod part, and the connecting rod part is in threaded connection with the connecting hole.
According to the streamline dust hood, the connecting rod part is movably arranged in the supporting rod part along the axial direction of the supporting rod part, and the supporting part is provided with the driving component for driving the connecting rod part to move.
The streamline dust collection cover comprises a rack connected with the connecting rod part and axially arranged along the supporting rod part, a rotating rod movably arranged along the radial direction of the supporting rod part, a gear sleeved at one end of the rotating rod and meshed with the rack, and a rotating handle arranged at one end of the rotating rod far away from the gear.
The streamlined dust collection cover has four supporting pieces, and the four supporting pieces are uniformly arranged along the circumferential direction of the dust collection cover body.
The streamline ventilating duct comprises a parallel section pipeline and a gradually expanding section pipeline which is communicated with the parallel section pipeline and the pipe diameter of which is gradually expanded along the direction far away from the parallel section pipeline, and the dust blocking mechanism is arranged on the outer side wall of the opening end of the gradually expanding section pipeline.
The utility model also provides a tunnel ventilation dust pelletizing system, include as above streamlined dust cage, be used for to the tunnel in carry fresh air's air supply arrangement and with dust collector that streamlined dust cage connects.
According to the tunnel ventilation and dust removal system, the air supply device comprises the press-in axial flow fan and an air supply pipeline, the dust removal device comprises the dust remover, the draw-out centrifugal fan connected with the dust remover, an air outlet pipe connected with the dust remover and a sewage inlet pipe, and the dust collection cover body is connected with the sewage inlet pipe.
Compared with the prior art, the utility model discloses there is following advantage:
the utility model provides a streamlined dust cage, including the dust cage body, locate the streamlined air pipe in the dust cage body, and can dismantle the dust-retaining mechanism who locates on the dust cage body open end lateral wall, set up streamlined air pipe in the dust cage body of this application, the streamlined air pipe of wind flow can reduce air pipe's internal resistance, makes the flow field more stable, accelerates the wind flow to enter interior dust collecting equipment through air pipe, improves dust fall efficiency; can dismantle simultaneously on dust collecting cover body open end lateral wall and be equipped with dust blocking mechanism, reach the purpose of increase collection dirt cross-sectional dimension through setting up dust blocking mechanism, block dust collecting cover body outside wind current, reduce the wind current loss, and can flow the wind current drainage to the internal streamlined air pipe of dust collecting cover in, further improve dust fall efficiency, this application dust blocking mechanism demountable installation moreover, simple structure, it is convenient to install the maintenance.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic view of the connection structure of the streamlined dust collecting hood of the present invention and a dirty air inlet pipe;
FIG. 2 is a schematic sectional view of the streamlined dust collecting cover of the present invention;
FIG. 3 is a schematic structural view of the streamlined dust collecting hood of the present invention;
FIG. 4 is an enlarged partial sectional view of a in FIG. 3;
fig. 5 is the structural schematic diagram of the tunnel ventilation dust-removing system of the utility model.
[ detailed description ] embodiments
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In a first embodiment, as shown in fig. 1 to 4, a streamlined dust collecting cover includes a dust collecting cover body 31, a streamlined ventilation duct 32 disposed in the dust collecting cover body 31, and a dust blocking mechanism 33 detachably disposed on an outer side wall of an opening end of the dust collecting cover body 31. The streamline air duct is arranged in the dust collection cover body, the air flow streamline air duct can reduce the internal resistance of the air duct, so that a flow field is more stable, the air flow is accelerated to enter internal dust removal equipment through the air duct, and the dust removal efficiency is improved; can dismantle simultaneously on the dust collecting cover body open end lateral wall and be equipped with dust blocking mechanism, reach the purpose of increase collection dirt cross sectional dimension through setting up dust blocking mechanism, block dust collecting cover body outside wind current, reduce the wind current loss, and can flow the wind current drainage to the internal streamlined air pipe of dust collecting cover, further improve dust fall efficiency, this application dust blocking mechanism demountable installation moreover, simple structure, it is convenient to install the maintenance.
Specifically, keep off dirt mechanism 33 is including locating the dirt cloth circle 331 that keeps off of the dust collection cover body 31 week side, establishing at the sealing washer 332 of the open end of dust collection cover body 31 and a plurality of support piece 333 that radially pass sealing washer 332 and dust collection cover body 31 along the dust collection cover body 31, dirt cloth circle 331 one end is located between sealing washer 332 and the dust collection cover body 31, and the other end is kept away from the one end of dust collection cover body 31 with support piece 333 and is connected, and is a plurality of support piece 333 passes sealing washer 332 and dust collection cover body 31 with fixed connection sealing washer 332 and dust collection cover body 31 to make sealing washer 332 and dust collection cover body 31 press from both sides tight fixed dirt cloth circle 331 that keeps off. When ventilation and dust removal are needed, after the dust collection cover body 31 is connected with the dust inlet air pipe 24, one end of the dust blocking cloth ring 331 is sleeved at the opening end of the dust collection cover body 31, the sealing ring 332 is sleeved at the opening end of the dust collection cover body 31, the dust blocking cloth ring 331 is clamped between the sealing ring 332 and the dust collection cover body 31, the sealing ring 332 and the dust collection cover body 31 are fixedly connected by the support piece 333 penetrating along the radial direction of the dust collection cover body 31, one end of the dust blocking cloth ring 331 is fixed, the other end of the support piece 333 is connected with the unfixed end of the dust blocking cloth ring 331 to prop open the dust blocking cloth ring 331, the purpose of increasing the size of the dust collection section can be achieved by the dust blocking cloth ring 331, the air flow outside the dust collection cover body is blocked, the air flow loss is reduced, the air flow can be guided into the streamline ventilating pipeline in the dust collection cover body, the dust removal efficiency is further improved, and when dust removal or maintenance, replacement and transportation are not needed, or needed, The seal ring 332 and the dust cloth ring 331 are convenient to disassemble.
In addition, the supporting member 333 includes a supporting rod 3331 and a connecting rod 3332, and the dust collecting cover body 31 and the sealing ring 332 are provided with a plurality of connecting holes 4 corresponding to and matching with the connecting rod 3332. The disassembly and the maintenance are convenient.
Specifically, the connecting rod portion 3332 is movably disposed in the supporting rod portion 3331 along the axial direction of the supporting rod portion 3331, and the supporting member 333 is provided with a driving assembly 5 for driving the connecting rod portion 3332 to move. Disassembly is facilitated by the drive assembly 5 by passing the connection rod portion 3332 through the seal ring 332 and the dust collection cover 31.
More specifically, the driving assembly 5 includes a rack 51 connected to the connecting rod portion 3332 and disposed along the axial direction of the supporting rod portion 3331, a rotating rod 52 movably disposed along the radial direction of the supporting rod portion 3331, a gear 53 sleeved on one end of the rotating rod 52 and engaged with the rack 51, and a rotating handle 54 disposed on one end of the rotating rod 52 far from the gear 53. The connecting rod part 3332 can penetrate through the sealing ring 332 and the dust collection cover body 31 through gear transmission by manually rotating the rotating handle 54, so that the disassembly is more convenient.
Further, the number of the supporting members 333 is four, and the four supporting members 333 are uniformly arranged along the circumferential direction of the dust collection cover body 31.
Still further, the streamlined ventilating duct 32 includes a parallel section duct 321, and a divergent section duct 322 communicating with the parallel section duct 321 and having a gradually expanding pipe diameter along a direction away from the parallel section duct 321, and the dust blocking mechanism 33 is disposed on an outer side wall of an opening end of the divergent section duct 322. Parallel section pipeline 321 one end passes through flange etc. with advancing dirty tuber pipe 24 and is connected, and the other end is connected with gradually-expanding section pipeline 322, can reduce the resistance along streamlined flow after making the distinguished and admirable entering air pipe of wind through gradually-expanding section pipeline 322, improves dust fall efficiency.
In a second embodiment, the present embodiment is substantially the same as the first embodiment, and for the sake of simplicity, only the difference between the main structure of the second embodiment and the first embodiment is described, the difference being: the supporting rod part 3331 is fixedly connected with the connecting rod part 3332, and the connecting rod part 3332 is in threaded connection with the connecting hole 4. The supporting rod 3331 can be directly rotated to drive the connecting rod 3332 to pass through the sealing ring 332 and the dust collecting cover 31, and the structure is simple.
The utility model also provides a tunnel ventilation dust pelletizing system, as shown in figure 5, include as above streamlined dust cage, be used for to the tunnel in carry fresh air's air supply arrangement 1 and with dust collector 2 that streamlined dust cage connects. Specifically, the air supply device 1 comprises a press-in axial flow fan 11 and an air supply pipeline 12, the dust removal device 2 comprises a dust remover 21, a draw-out centrifugal fan 22 connected with the dust remover 21, an air outlet pipe 23 connected with the dust remover 21 and a sewage inlet pipe 24, and the dust collection cover body 31 is connected with the sewage inlet pipe 24.
The application of the tunnel ventilation dust removal system: the forced axial flow fan 11 and the extraction type centrifugal fan 22 work simultaneously, the forced axial flow fan 11 conveys fresh air flow to the palm surface 300 through the air supply pipeline 12, the extraction type centrifugal fan 22 enables pollutants in the tunnel to enter the dust remover 21 along with the air flow through the streamline dust collection cover and the dirt inlet air pipe 24, after the pollutants such as dust and the like are removed through the dust remover 21, the pollutants return to the tunnel from the air outlet pipe, effective dust fall is achieved, the streamline air pipeline is arranged in the dust collection cover body, the internal resistance of the air pipeline can be reduced through the streamline air pipeline, the flow field is more stable, the air flow is accelerated to enter internal dust removing equipment through the air pipeline, and the dust falling efficiency is improved; can dismantle simultaneously on the dust collecting cover body open end lateral wall and be equipped with dust blocking mechanism, reach the purpose of increase collection dirt cross sectional dimension through setting up dust blocking mechanism, block dust collecting cover body outside wind current, reduce the wind current loss, and can flow the wind current drainage to the internal streamlined air pipe of dust collecting cover, further improve dust fall efficiency, this application dust blocking mechanism demountable installation moreover, simple structure, it is convenient to install the maintenance.
The above description is provided for one embodiment of the present invention, and the embodiments of the present invention are not limited to these descriptions, and the present invention is not limited to the above nomenclature and the English nomenclature since the trade nomenclature is different. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions or replacement under the design prerequisite, all should regard as the utility model discloses a protection scope.
Claims (9)
1. A streamline dust collection cover is characterized by comprising a dust collection cover body (31), a streamline ventilating duct (32) arranged in the dust collection cover body (31), and a dust blocking mechanism (33) detachably arranged on the outer side wall of the opening end of the dust collection cover body (31);
the streamline ventilating duct (32) comprises a parallel section pipeline (321) and a gradually expanding section pipeline (322) communicated with the parallel section pipeline (321) and the pipe diameter of the gradually expanding section pipeline is gradually expanded along the direction far away from the parallel section pipeline (321), and the dust blocking mechanism (33) is arranged on the outer side wall of the opening end of the gradually expanding section pipeline (322).
2. The streamlined dust collection cover of claim 1, wherein the dust blocking mechanism (33) comprises a dust blocking cloth ring (331) disposed on the periphery of the dust collection cover body (31), a sealing ring (332) sleeved at the open end of the dust collection cover body (31), and a plurality of supporting members (333) radially penetrating through the sealing ring (332) and the dust collection cover body (31) along the dust collection cover body (31), one end of the dust blocking cloth ring (331) is disposed between the sealing ring (332) and the dust collection cover body (31), the other end of the dust blocking cloth ring is connected with one end of the supporting members (333) away from the dust collection cover body (31), and the plurality of supporting members (333) penetrate through the sealing ring (332) and the dust collection cover body (31) to fixedly connect the sealing ring (332) and the dust collection cover body (31), and enable the sealing ring (332) and the dust collection cover body (31) to clamp and fix the dust blocking cloth ring (331).
3. The streamlined dust collecting hood as claimed in claim 2, wherein the supporting member (333) comprises a supporting rod part (3331) and a connecting rod part (3332), and the dust collecting hood body (31) and the sealing ring (332) are provided with a plurality of connecting holes (4) corresponding to and matching with the connecting rod part (3332).
4. The streamlined dust collecting cover of claim 3, wherein the supporting rod part (3331) is fixedly connected to the connection rod part (3332), and the connection rod part (3332) is screw-coupled to the coupling hole (4).
5. The streamlined dust collecting hood as claimed in claim 3, wherein the connecting rod portion (3332) is movably disposed in the supporting rod portion (3331) along the axial direction of the supporting rod portion (3331), and the supporting member (333) is provided with a driving assembly (5) for driving the connecting rod portion (3332) to move.
6. The streamlined dust collecting hood as claimed in claim 5, wherein the driving assembly (5) comprises a rack (51) connected to the connecting rod portion (3332) and axially disposed along the supporting rod portion (3331), a rotating rod (52) movably disposed along the radial direction of the supporting rod portion (3331), a gear (53) sleeved on one end of the rotating rod (52) and engaged with the rack (51), and a rotating handle (54) disposed on one end of the rotating rod (52) far away from the gear (53).
7. The streamlined dust collecting cover of claim 2, wherein the number of the supporting members (333) is four, and the four supporting members (333) are uniformly arranged along the circumference of the dust collecting cover body (31).
8. A tunnel ventilation and dust removal system, characterized by comprising a streamlined dust cage according to any of claims 1-7, a blowing device (1) for delivering fresh air into the tunnel, and a dust removal device (2) connected to the streamlined dust cage.
9. A tunnel ventilation and dust removal system according to claim 8, wherein the air supply device (1) comprises a press-in axial flow fan (11) and an air supply pipeline (12), the dust removal device (2) comprises a dust remover (21), a draw-out centrifugal fan (22) connected with the dust remover (21), an air outlet pipe (23) connected with the dust remover (21) and a sewage inlet pipe (24), and the dust collection cover body (31) is connected with the sewage inlet pipe (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220576586.6U CN217462229U (en) | 2022-03-16 | 2022-03-16 | Streamlined dust cage and tunnel ventilation dust pelletizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220576586.6U CN217462229U (en) | 2022-03-16 | 2022-03-16 | Streamlined dust cage and tunnel ventilation dust pelletizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217462229U true CN217462229U (en) | 2022-09-20 |
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ID=83266181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220576586.6U Active CN217462229U (en) | 2022-03-16 | 2022-03-16 | Streamlined dust cage and tunnel ventilation dust pelletizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217462229U (en) |
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2022
- 2022-03-16 CN CN202220576586.6U patent/CN217462229U/en active Active
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