CN115306462A - A ventilation equipment for subway shield constructs construction convenient to adjust - Google Patents

A ventilation equipment for subway shield constructs construction convenient to adjust Download PDF

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Publication number
CN115306462A
CN115306462A CN202210993129.1A CN202210993129A CN115306462A CN 115306462 A CN115306462 A CN 115306462A CN 202210993129 A CN202210993129 A CN 202210993129A CN 115306462 A CN115306462 A CN 115306462A
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CN
China
Prior art keywords
air
adjust
pipe
drum
ventilation equipment
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Pending
Application number
CN202210993129.1A
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Chinese (zh)
Inventor
张玄
肖颖
朱凯强
穆林
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CCCC SHEC Third Highway Engineering Co Ltd
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CCCC SHEC Third Highway Engineering Co Ltd
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Publication date
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Priority to CN202210993129.1A priority Critical patent/CN115306462A/en
Publication of CN115306462A publication Critical patent/CN115306462A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/04Air ducts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411Filter cartridges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/002Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/08Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F3/00Cooling or drying of air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geometry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The invention discloses a ventilation device convenient to adjust and used for subway shield construction, which comprises an air pipe, wherein one end of the air pipe is positioned outside a tunnel, the other end of the air pipe extends along the tunnel, a plurality of openable air outlets are arranged in the tunnel, an inner pipe concentric with the air pipe is fixed in the position, closest to one air outlet of an air inlet, of the air pipe through a support, one end of the inner pipe is fixedly provided with a motor erected in the air pipe, the motor is connected with fan blades capable of blowing air in the direction away from the air inlet, one end, close to the air inlet, of the inner pipe is a conical end surface, a plurality of filter elements are distributed on the circumference of the inner pipe, a plurality of condensing sheets are distributed on the circumference of the inner pipe between the filter elements and the motor, a heat conduction pipe is distributed in each condensing sheet, and the heat conduction pipe is communicated to an external cooling device. Compared with the prior art, the invention can adjust the efficiency of the filter element for filtering the air flow and adjust the condensation degree of the moisture in the air flow.

Description

A ventilation equipment for subway shield constructs construction convenient to adjust
Technical Field
The invention relates to the technical field of tunnel engineering equipment, in particular to ventilation equipment which is used for subway shield construction and is convenient to adjust.
Background
Subway tunnels are generally built in the deep underground, so that a lot of inconvenience exists in construction, and natural ventilation cannot meet the requirements of safety standards. Need use ventilation equipment to supply air in the tunnel in order to provide the required air of the normal activity of underground personnel, current ventilation equipment passes through the fan and leads to the tunnel with the air of tunnel portal in, but because the engineering of tunnel construction usually goes on simultaneously in tunnel portal and tunnel, often the dust content is great in the air of tunnel portal, directly lead to the air in the tunnel and cause the smoke and dust in inclosed space easily, and the moisture content is great in the air when being located big fog district on the tunnel job site, the interior moist fog of tunnel when directly leading to the air in the big fog environment in the tunnel can, influence the engineering progress.
Therefore, it is necessary to provide a ventilation apparatus for subway shield construction, which is easy to adjust, so as to solve the problems suggested in the background art described above.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a ventilation equipment convenient to adjust for subway shield constructs construction, includes the tuber pipe, tuber pipe one end is located the tunnel outside, and the other end extends along the tunnel, and has seted up a plurality of open closed air outlets in the tunnel, the tuber pipe is fixed with rather than endocentric inner tube through the support in the position before the air outlet that is closest to the air intake, inner tube one end is fixed with erects the motor in the tuber pipe, the motor is connected with can be towards keeping away from the flabellum that the air intake direction was bloied, the one end that the inner tube is close to the air intake direction is the toper terminal surface, and its circumference distributes and has a plurality of filter cores around, it has a plurality of condensation pieces to go back the circumference distribution around the inner tube between filter core and motor, every it has the heat pipe to distribute in the condensation piece, and communicates in the cooling device of outside.
Further, as a preferred option, an inner cylinder is fixed in the air pipe of the filter element in the direction close to the air inlet, a plurality of inner hinges are hinged to the inner cylinder in a circumferential distribution manner, inner baffles are hinged to the other side of each inner hinge, and each inner baffle is fixedly connected with the filter element.
Furthermore, as the preferred, every adjacent two still articulated outer hinge rather than the two laminating between the interior hinge, the another side of folding paper outward articulates there is outer baffle, outer baffle is laminated with two adjacent interior baffles respectively, interior baffle is fixed with the spout knot, the both ends of spout knot are connected through the spout rather than the outer baffle slidable of both sides.
Furthermore, as preferred, every outer baffle middle part articulates there is the push rod, every the other end of push rod articulates in inner tube lantern ring jointly, the inner tube lantern ring is located between inner tube and tuber pipe, the inner tube lantern ring still is connected with the inner tube through the inner tube telescopic link.
Further, preferably, a rotating drum is rotatably connected in the air pipe, two ends of the condensing sheet are rotatably connected to the rotating drum and the inner pipe respectively, and when the condensing sheet rotates to be parallel to the end face of the air pipe, a part of the adjacent condensing sheets is attached to each other.
Further, preferably, a rotating shaft of the condensing sheet, which is close to one end of the rotating drum, penetrates through the outer wall of the rotating drum, and is fixedly provided with a first connecting rod, the other end of the first connecting rod is hinged with a second connecting rod, the other end of each second connecting rod is hinged to a rotating drum sleeve ring together, and the rotating drum sleeve ring is slidably sleeved on the outer wall of the rotating drum.
Further, preferably, the rotating drum lantern ring is connected with the rotating drum through a rotating drum telescopic rod.
Further, as preferred, the condensation piece is made for the metal material, and its surface is seted up multichannel recess.
Further, preferably, the position of the rotating cylinder and the position of the inner pipe corresponding to the condensing sheet are provided with water outlet holes.
Preferably, a gear ring is fixed to an outer wall of the drum, and a driving device capable of driving the gear ring is fixed to an outer wall of the air duct.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the inner hinge is attached to the outer hinge, the inner baffle is attached to the outer baffle, so that the inner hinge and the outer baffle are enclosed to form a closed ring, air flow of the air inlet passes through the ring, part of dust in the air inlet can be filtered by the filter element, the inner barrel telescopic rod can drive the inner barrel sleeve ring to axially move to change the position, the diameter of the ring enclosed by the inner baffle and the outer baffle is changed under the action of the push rod, the diameter of the air flow rushing into the air pipe from the air inlet is changed, the size of a gap between the filter elements is changed, and the air flow filtering efficiency of the filter element can be adjusted.
According to the invention, when the air flow passes through the condensing sheets, because the temperature of the condensing sheets is lower, moisture in the air flow can be condensed in the condensing sheets, so that the humidity of the air is reduced, the telescopic rod of the rotary drum can drive the sleeve ring of the rotary drum to axially move and change the position, so that each condensing sheet synchronously rotates under the action of the second connecting rod and the first connecting rod to change the inclined angle of the condensing sheet, the bending angles of the air flow when the air flow passes through the gaps among the condensing sheets are different, and the contact angle and the area of the air flow and the condensing sheets can be changed, so that the condensation degree of the moisture in the air flow is adjusted.
In the present invention, the first and second liquid crystal display panels,
drawings
Fig. 1 is a schematic structural view of an adjustable ventilation apparatus for subway shield construction;
FIG. 2 is a schematic structural view of the inner barrel;
FIG. 3 is a schematic view of the structure of the drum;
in the figure: 1. an air duct; 2. an inner tube; 21. a support; 3. a filter element; 4. a condensation sheet; 5. a motor; 6. a fan blade; 31. an inner barrel; 32. an outer fold; 33. an outer baffle; 34. a push rod; 35. an inner fold; 36. an inner baffle; 37. a chute buckle; 38. an inner cylinder lantern ring; 39. an inner cylinder telescopic rod; 41. a rotating drum; 42. a drum collar; 43. a first connecting rod; 44. a second connecting rod; 45. a drum telescopic rod; 46. a ring gear; 47. a drive device.
Detailed Description
Referring to fig. 1, in an embodiment of the present invention, a ventilation apparatus convenient to adjust for subway shield construction includes an air duct 1, one end of the air duct 1 is located outside a tunnel, the other end of the air duct extends along the tunnel, and a plurality of openable air outlets are formed in the tunnel, an inner duct 2 concentric with the air duct 1 is fixed in a position before one air outlet closest to an air inlet through a bracket 21, one end of the inner duct 2 is fixed with a motor 5 erected in the air duct 1, the motor 5 is connected with a fan blade 6 capable of blowing air in a direction away from the air inlet, one end of the inner duct 2 in a direction close to the air inlet is a conical end surface, a plurality of filter elements 3 are circumferentially distributed around the inner duct 2, a plurality of condensation sheets 4 are further circumferentially distributed around the inner duct 2 between the filter elements 3 and the motor 5, and heat conduction pipes are distributed in each condensation sheet 4 and communicated to an external cooling device.
Referring to fig. 2, in this embodiment, an inner cylinder 31 is fixed in the air duct 1 of the filter element 3 in a direction close to the air inlet, a plurality of inner hinges 35 are hinged to the inner cylinder 31 in a circumferential distribution manner, an inner baffle 36 is hinged to the other side of the inner hinges 35, and each inner baffle 36 is fixedly connected to the filter element 3.
In this embodiment, each two adjacent inner hinges 35 are hinged with an outer hinge 32 attached to the two inner hinges, the other side of the outer hinge 32 is hinged with an outer baffle 33, the outer baffle 33 is respectively attached to the two adjacent inner baffles 36, the inner baffle 36 is fixed with a chute buckle 37, and two ends of the chute buckle 37 are slidably connected with the outer baffles 33 on two sides through chutes. That is, the inner flap 35 abuts the outer flap 32 and the inner baffle 36 abuts the outer baffle 33 so that they enclose a closed loop through which the inlet air stream passes and some of the dust can be filtered by the filter element 3.
In this embodiment, a push rod 34 is hinged to the middle of each outer baffle 33, the other end of each push rod 34 is hinged to an inner cylinder collar 38, the inner cylinder collar 38 is located between the inner cylinder 31 and the air duct 1, and the inner cylinder collar 38 is further connected with the inner cylinder 31 through an inner cylinder telescopic rod 39. That is to say, the inner barrel telescopic rod 39 can drive the inner barrel collar 38 to move axially to change the position, so that the diameter of the ring shape enclosed by the inner baffle 36 and the outer baffle 33 is changed under the action of the push rod 34, the diameter of the air flow rushing into the air duct 1 from the air inlet is changed, the size of the gap between the filter elements 3 is changed, and the efficiency of the filter elements 3 on the air flow can be adjusted.
Referring to fig. 3, in the present embodiment, the air duct 1 is rotatably connected with a rotating drum 41, two ends of the condensing sheet 4 are rotatably connected to the rotating drum 41 and the inner duct 2, respectively, and when the condensing sheet 4 rotates to be parallel to the end surface of the air duct 1, a part of the adjacent condensing sheets 4 are attached to each other. When the air flow passes through the condensing sheets 4, moisture in the air flow can be condensed in the condensing sheets 4 due to the low temperature of the condensing sheets 4, thereby reducing the humidity of the air.
In this embodiment, a rotating shaft of the condensing sheet 4 near one end of the drum 41 penetrates through the outer wall of the drum 41, and a first connecting rod 43 is fixed to the rotating shaft, the other end of the first connecting rod 43 is hinged to a second connecting rod 44, the other end of each second connecting rod 44 is hinged to a drum sleeve ring 42, and the drum sleeve ring 42 is slidably sleeved on the outer wall of the drum 41.
In this embodiment, the drum collar 42 is connected to the drum 41 through a drum extension rod 45. That is to say, the drum sleeve ring 42 can be driven to move axially to change the position through the drum telescopic rod 45, so that each condensing sheet 4 synchronously rotates under the action of the second connecting rod 44 and the first connecting rod 43 to change the inclined angle of the condensing sheet, the bending angles of the air flow when the air flow passes through the gap between the condensing sheets 4 are different, and the contact angle and the area of the air flow and the condensing sheet 4 can be changed to adjust the condensation degree of moisture in the air flow.
In this embodiment, the condensation sheet 4 is made of metal material, and a plurality of grooves are formed on the surface thereof. The groove of the condensing sheet 4 can guide the condensed water, so that the condensed water can be well attached to the condensing sheet 4.
In this embodiment, the positions of the rotating drum 41 and the inner tube 2 corresponding to the condensing sheet 4 are provided with water outlet holes, that is, the condensed water on the condensing sheet 4 can flow out from the rotating drum 41 and the inner tube 2.
In this embodiment, the outer wall of the rotating drum 41 is fixed with a gear ring 46, the outer wall of the air duct 1 is fixed with a driving device 47 capable of driving the gear ring 46, and the driving device 47 can drive the rotating drum 41 to slowly rotate back and forth, so that condensed water attached to the condensing sheets 4 at different angles can flow out from the rotating drum 41 or the water outlet of the inner pipe 2.
During specific implementation, one end of the air pipe 1 is positioned outside the tunnel, the other end of the air pipe extends along the tunnel, a plurality of openable air outlets are formed in the tunnel, the fan blades 6 in the air pipe 1 continuously supply air, and the corresponding air outlets are opened to ventilate according to the positions needing ventilation in the tunnel; according to the dust content of air outside the tunnel portal, the filtering efficiency of the filter element 3 can be adjusted, namely the larger the dust content of the air is, the smaller the teaching and learning among the filter elements 3 is, the lower the dust content of air flow supplied is ensured, and the dust raising in the tunnel is avoided; according to the air humidity outside the tunnel portal, can adjust condensing sheet 4's dehumidification efficiency, air humidity is the bigger, and the clearance between condensing sheet 4 is less, makes the air current fully contact with condensing sheet 4 and with the moisture condensation on condensing sheet 4 surface, can drive rotary drum 41 through drive arrangement 47 simultaneously and rotate slowly reciprocating to the comdenstion water that depends on in the condensing sheet 4 that makes different angles can follow the apopore outflow of rotary drum 41 or inner tube 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims (10)

1. The utility model provides a ventilation equipment convenient to adjust for subway shield constructs construction, includes tuber pipe (1), its characterized in that, tuber pipe (1) one end is located the tunnel outside, and the other end extends along the tunnel, and has seted up a plurality of open closed air outlets in the tunnel, tuber pipe (1) is fixed with rather than endocentric inner tube (2) through support (21) in the position that is closest to one air outlet of air intake in front, inner tube (2) one end is fixed with and erects motor (5) in tuber pipe (1), motor (5) are connected with flabellum (6) that can blow towards keeping away from the air intake direction, the one end that inner tube (2) are close to the air intake direction is the toper terminal surface, and its circumference distributes and has a plurality of filter cores (3), it still distributes around circumference around inner tube (2) between filter core (3) and motor (5) has a plurality of condensation pieces (4), every piece it has the heat pipe to distribute in condensation piece (4), and communicates in the cooling device of outside.
2. The ventilation equipment convenient to adjust for subway shield construction according to claim 1, wherein an inner cylinder (31) is fixed in the air pipe (1) of the filter element (3) close to the air inlet direction, a plurality of inner hinges (35) are hinged to the inner cylinder (31) in a circumferential distribution manner, the other side of each inner hinge (35) is hinged to an inner baffle (36), and each inner baffle (36) is fixedly connected with the filter element (3).
3. The ventilation equipment convenient to adjust for subway shield construction according to claim 2, wherein an outer hinge (32) attached to the inner hinge (35) is hinged between every two adjacent inner hinges, an outer baffle (33) is hinged to the other side of the outer hinge (32), the outer baffle (33) is respectively attached to two adjacent inner baffles (36), a chute buckle (37) is fixed on each inner baffle (36), and two ends of each chute buckle (37) are slidably connected with the outer baffles (33) on two sides of the chute buckle through chutes.
4. The ventilation equipment convenient to adjust for subway shield construction according to claim 3, wherein each outer baffle (33) is hinged with a push rod (34) in the middle, the other end of each push rod (34) is hinged to an inner cylinder collar (38) together, the inner cylinder collar (38) is located between the inner cylinder (31) and the air pipe (1), and the inner cylinder collar (38) is further connected with the inner cylinder (31) through an inner cylinder telescopic rod (39).
5. The ventilation equipment convenient to adjust for subway shield construction according to claim 1, characterized in that a rotary drum (41) is rotatably connected in said air duct (1), both ends of said condensation sheet (4) are rotatably connected to said rotary drum (41) and said inner duct (2), respectively, and when said condensation sheet (4) is rotated to be parallel to the end surface of said air duct (1), a part of adjacent condensation sheets (4) are attached to each other.
6. The ventilation equipment convenient to adjust for subway shield construction according to claim 5, wherein said condensation sheet (4) is through to the outer wall of the drum (41) near the rotation axis of one end of the drum (41), and is fixed with a first connecting rod (43), the other end of said first connecting rod (43) is hinged with a second connecting rod (44), the other end of each second connecting rod (44) is hinged in a drum sleeve ring (42), and said drum sleeve ring (42) is slidably sleeved on the outer wall of the drum (41).
7. The ventilation equipment convenient to adjust for subway shield construction according to claim 6, characterized in that said drum collar (42) is connected with drum (41) through drum telescopic rod (45).
8. The ventilation equipment convenient to adjust for subway shield construction according to claim 1, wherein said condensation sheet (4) is made of metal material, and its surface has multiple grooves.
9. The ventilation equipment convenient to adjust for subway shield construction according to claim 1, characterized in that the position of said drum (41) and inner pipe (2) corresponding to condensation sheet (4) is equipped with water outlet hole.
10. The ventilation equipment for subway shield construction convenient to adjust according to claim 9, characterized in that the outer wall of said rotating drum (41) is fixed with a gear ring (46), and the outer wall of said wind pipe (1) is fixed with a driving device (47) capable of driving the gear ring (46).
CN202210993129.1A 2022-08-18 2022-08-18 A ventilation equipment for subway shield constructs construction convenient to adjust Pending CN115306462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210993129.1A CN115306462A (en) 2022-08-18 2022-08-18 A ventilation equipment for subway shield constructs construction convenient to adjust

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210993129.1A CN115306462A (en) 2022-08-18 2022-08-18 A ventilation equipment for subway shield constructs construction convenient to adjust

Publications (1)

Publication Number Publication Date
CN115306462A true CN115306462A (en) 2022-11-08

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CN202210993129.1A Pending CN115306462A (en) 2022-08-18 2022-08-18 A ventilation equipment for subway shield constructs construction convenient to adjust

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116971816A (en) * 2023-09-11 2023-10-31 湖南天晟源消防科技有限公司 Tunnel construction ventilation unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116971816A (en) * 2023-09-11 2023-10-31 湖南天晟源消防科技有限公司 Tunnel construction ventilation unit
CN116971816B (en) * 2023-09-11 2024-03-29 湖南天晟源消防科技有限公司 Tunnel construction ventilation unit

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