CN218501646U

CN218501646U - Tunnel ventilation dust fall equipment

Info

Publication number: CN218501646U
Application number: CN202222725518.4U
Authority: CN
Inventors: 李景; 王春晓; 韩森; 马佳; 程晓刚
Original assignee: Building Installation Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Current assignee: Building Installation Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-02-21
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a tunnel ventilation dust fall equipment, including air-supply line, malleation forced draught blower and defeated tuber pipe, the malleation forced draught blower is installed to the inside one side of air-supply line, and the wire netting is installed to one side of defeated tuber pipe, and the water pump is installed on the top of defeated tuber pipe, and the top of water pump is fixed with the raceway, and atomizer is all installed to one side of raceway, and atomizer's top is fixed with the support frame, and filtration includes direction shell, mount, filter screen and draws the handle, and the inside at the air-supply line is fixed to the direction shell, and one side of direction shell is provided with the mount. The utility model discloses a smoke and dust in the filter screen filtering air draws to the upper lifting and dismantles the filter screen to clear up the surface of filter screen, the filter screen of wave line is convenient for the air and is passed the filter screen, has realized the smoke and dust filtering capability of this device from this, is convenient for carry out filtration treatment to the inside smoke and dust that gets into the defeated tuber pipe, makes the inside air in input tunnel keep clean, has improved the functional of this device.

Description

Tunnel ventilation dust fall equipment

Technical Field

The utility model relates to a tunnel construction technical field, in particular to tunnel ventilation dust fall equipment.

Background

Construction ventilation is the important supporting technology of tunnel construction, and the ventilation effect of ideal is the important assurance that realizes the quick construction of tunnel, constructor health and construction safety, and the tunnel blasting back needs to use tunnel ventilation dust fall equipment to mechanical ventilation strengthens the smoke exhaust effect, reduces the time of discharging fume, and the while sprays water the dust fall in order to reduce the production of dust.

The defects of the existing tunnel ventilation dust-settling equipment are as follows:

chinese patent grant publication No. CN210033517U, publication No. 2020, 02, 07, disclose and a tunnel positive pressure ventilation dust fall device, connect including atomizing nozzle, annular steel pipe, connecting cylinder and dryer, atomizing nozzle evenly sets up on the inside wall of annular steel pipe and communicates with annular steel pipe, and annular steel pipe passes through the connecting piece to be fixed in the one end of connecting cylinder, and the dryer connects is connected to the other end of connecting cylinder, sets up the water inlet on the annular steel pipe. The positive-pressure ventilation dust-settling device for the tunnel is simple in structure, convenient to use, low in energy consumption and convenient to disassemble and assemble.

However, the device of the above-mentioned publication mainly considers how to solve the problem that the occupied space is large and the tunnel construction is affected, and does not consider the problem that the existing device is easy to suck smoke dust, because the construction site of the tunnel has a large smoke dust content in the air, the device is easy to introduce the smoke dust into the interior of the tunnel through the air conveying pipe, the smoke dust is attached to the interior of the air conveying pipe and is inconvenient to clean, and the air containing the smoke dust affects the dust settling effect of the device.

In view of the above, it is necessary to develop a tunnel ventilation and dust fall device, so as to improve the functionality of the tunnel ventilation and dust fall device in the using process.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a tunnel ventilation dust fall equipment to the problem of the smoke and dust of easily inhaling is put forward in solving above-mentioned background art.

(II) contents of utility model

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a tunnel ventilation dust fall equipment, includes air-supply line, malleation forced draught blower and defeated tuber pipe, the malleation forced draught blower is installed to the inside one side of air-supply line, the inside opposite side of air-supply line is provided with filtration, one side of air-supply line is provided with defeated tuber pipe, one side of defeated tuber pipe is provided with connection structure, connection structure's inside is provided with the ring flange, defeated tuber pipe's bottom is provided with bearing structure, the wire netting is installed to one side of defeated tuber pipe, the water pump is installed on the top of defeated tuber pipe, and one side of water pump is fixed with the inlet tube, the top of water pump is fixed with the raceway, atomizer is all installed to one side of raceway, atomizer's top is fixed with the support frame, filtration includes direction shell, mount, filter screen and pull handle, the inside at the air-supply line is fixed to the direction shell, one side of direction shell is provided with the mount.

Use this technical scheme's tunnel ventilation dust fall equipment, install the air-supply line and be thirty meters department apart from the tunnel entrance to a cave, make the air-supply line be located the outer upwind position of entrance to a cave simultaneously, it forms secondary pollution to avoid the interior exhaust gas circulation admission device that extrudes in the hole, inhale the inside of air-supply line through the malleation forced draught blower, make the air ventilate through the inside in the leading-in tunnel of defeated tuber pipe, the inside through the leading-in water pump of inlet tube is followed to water, make the water pump go into the inside of raceway with water pressure, it sprays the inside formation cascade in the tunnel through the raceway to close to water, the air to the tunnel carries out the dust fall, support the defeated tuber pipe through bearing structure, make the leveling that defeated tuber pipe placed.

Preferably, the inside of the fixing frame is fixed with a filter screen, and the top end of the fixing frame is fixed with a pull handle. Through the smoke and dust in the filter screen filtering air, pull up to draw and dismantle the filter screen to the surface of filter screen is cleared up.

Preferably, the front cross section of the filter screen is of a wave-shaped structure, and a sliding structure is formed between the guide shell and the fixing frame.

Preferably, connection structure includes sealing washer, clamp, stationary blade, bolt and nut, the outside at defeated tuber pipe is established to the clamp cover, the top of clamp is fixed with the stationary blade, the inside of stationary blade is inserted and is equipped with the bolt, and one side cover of bolt is equipped with the nut, the inside of clamp is provided with the sealing washer. The clamp is clamped on the outer side of the flange plate, the bolts penetrate through the two sets of fixing pieces, the bolts are rotated to enable the nuts and the bolts to push the two sets of fixing pieces to be close to each other, and the two sets of wire nets are connected.

Preferably, the bolts form a fixing piece connected with the nuts, and the hoops are symmetrically distributed on the vertical center of the flange plate.

Preferably, the supporting structure comprises a supporting shell, a connecting shell, a screw rod and a threaded sleeve, the supporting shell is installed at the bottom end of the air delivery pipe, the connecting shell is sleeved on the outer side of the supporting shell, the threaded sleeve is fixed at the bottom end of the connecting shell, and the screw rod is inserted into the threaded sleeve. The screw rod is driven to lift by rotating the threaded sleeve, so that the screw rod is in contact with the ground for supporting.

Preferably, the outer side wall of the screw rod is provided with an external thread, and the inner part of the screw sleeve is provided with an internal thread matched with the external thread.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: this tunnel ventilation dust fall equipment is rational in infrastructure, has following advantage:

(1) The filter screen is used for filtering smoke dust in air, the pull handle is pulled upwards to disassemble the filter screen, so that the surface of the filter screen is cleaned, the filter screen with wavy lines is convenient for air to pass through the filter screen, the smoke dust filtering function of the device is realized, the smoke dust entering the air conveying pipe is convenient to filter, the air input into the tunnel is kept clean, and the functionality of the device is improved;

(2) The screw rod is driven to lift by rotating the threaded sleeve, so that the screw rod is contacted with the ground for supporting, the stable placement function of the device is realized, the air conveying pipe is convenient to support, the air conveying pipe is stably placed, no fluctuation exists on the horizontal plane, no bending distortion exists, and the convenience of the device is improved;

(3) Through with the clamp card in the outside of ring flange, pass two sets of stationary blades with the bolt, rotatory bolt makes nut and two sets of stationary blades of bolt promotion be close to each other, connects two sets of wire netting, has realized the easily connection function of this device from this, is convenient for when installing the device, and the quick time of reducing the installation device loss with the defeated tuber pipe concatenation of multiunit is fixed.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged partial sectional view of the utility model at a in fig. 1;

FIG. 4 is a schematic side view, cross-sectional structure of the connection structure of the present invention;

fig. 5 is a schematic diagram of a three-dimensional cross-sectional structure of the filtering structure of the present invention;

fig. 6 is a schematic view of the front cross-sectional structure of the supporting structure of the present invention.

The reference numerals in the figures illustrate: 1. an air inlet pipe; 2. a positive pressure blower; 3. a filter structure; 301. a guide housing; 302. a fixed mount; 303. filtering with a screen; 304. pulling a handle; 4. a connecting structure; 401. a seal ring; 402. clamping a hoop; 403. a fixing sheet; 404. a bolt; 405. a nut; 5. a support structure; 501. a support housing; 502. a connecting shell; 503. a screw; 504. a threaded sleeve; 6. a water inlet pipe; 7. a support frame; 8. a wire mesh; 9. an atomizing spray head; 10. a water delivery pipe; 11. a water pump; 12. a wind delivery pipe; 13. a flange plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

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.

Example one

Please refer to fig. 1-6, the utility model provides a pair of tunnel ventilation dust fall equipment, including air-supply line 1, malleation forced draught blower 2 and defeated tuber pipe 12, malleation forced draught blower 2 is installed to one side of air-supply line 1 inside, the inside opposite side of air-supply line 1 is provided with filtration structure 3, one side of air-supply line 1 is provided with defeated tuber pipe 12, one side of defeated tuber pipe 12 is provided with connection structure 4, connection structure 4's inside is provided with ring flange 13, the bottom of defeated tuber pipe 12 is provided with bearing structure 5, wire netting 8 is installed to one side of defeated tuber pipe 12, water pump 11 is installed on the top of defeated tuber pipe 12, and one side of water pump 11 is fixed with inlet tube 6, the top of water pump 11 is fixed with raceway 10, atomizer 9 is all installed to one side of raceway 10, atomizer 9's top is fixed with support frame 7, filtration structure 3 includes direction shell 301, mount 302, 303 and draw handle 304, direction shell 301 fixes inside, one side of direction shell 301 is provided with 302, the inside of 302 all is fixed with filter screen 303, the transversal mount 304, the transversal structure of drawing handle is personally submitted to be personally submitted to the wave between the mount 302, the mount 302.

The working principle of the tunnel ventilation dust-settling equipment based on the first embodiment is as follows: the external power supply is used when the device is used, the air inlet pipe 1 is installed at a position which is thirty meters away from a tunnel opening, meanwhile, the air inlet pipe 1 is located at an upper air direction position outside the opening, secondary pollution caused by the fact that waste gas circularly enters the device through pressure in the hole is avoided, air is sucked into the air inlet pipe 1 through the positive pressure blower 2, the air is guided into the tunnel through the air conveying pipe 12 to ventilate, water is guided into the water pump 11 through the water inlet pipe 6, the water pump 11 presses water into the water conveying pipe 10, water is sprayed into the tunnel through the water conveying pipe 10 to form a water curtain, dust fall is carried out on the air in the tunnel, the air conveying pipe 12 is supported through the supporting structure 5, the air conveying pipe 12 is placed flatly, the fixing frame 302 is installed inside the air inlet pipe 1 through the filter screen 303, the filter screen 303 is shielded inside the device, the air passes through the filter screen 303, the filter screen 303 filters 303 in the air are filtered, meanwhile, the area of the filter screen 303 and the air of the filter screen 303 is increased, so that the air can conveniently pass through the upward pulling pull the fixing frame 304, the fixing frame 302 upwards slides along the inner part of the guiding shell 301, and leaves the filter screen 303, and the surface of the filter screen 303 is cleaned, and the air inlet pipe is cleaned.

Example two

The embodiment comprises the following steps: the connecting structure 4 comprises a sealing ring 401, a clamp 402, a fixing piece 403, a bolt 404 and a nut 405, the clamp 402 is sleeved on the outer side of the air delivery pipe 12, the fixing piece 403 is fixed at the top end of the clamp 402, the bolt 404 is inserted into the fixing piece 403, the nut 405 is sleeved on one side of the bolt 404, the sealing ring 401 is arranged inside the clamp 402, the bolt 404 forms the fixing piece 403 and is connected with the nut 405, and the clamp 402 is symmetrically distributed on the vertical center of the flange plate 13.

In this embodiment, through aligning two sets of defeated tuber pipes 12, immediately, with clamp 402 card in the outside of ring flange 13, two sets of stationary blade 403 align simultaneously, through passing two sets of stationary blades 403 with bolt 404, immediately overlap nut 405 in the outside of bolt 404 and rotatory bolt 404, make nut 405 and bolt 404 promote two sets of stationary blades 403 and be close to each other, align two sets of defeated tuber pipes 12 fixedly, make two sets of wire netting 8 connect, fill the gap between two sets of ring flanges 13 through sealing washer 401, prevent gas leakage.

EXAMPLE III

The embodiment comprises the following steps: the supporting structure 5 comprises a supporting shell 501, a connecting shell 502, a screw 503 and a threaded sleeve 504, the supporting shell 501 is installed at the bottom end of the air delivery pipe 12, the connecting shell 502 is sleeved on the outer side of the supporting shell 501, the threaded sleeve 504 is fixed at the bottom end of the connecting shell 502, the screw 503 is inserted into the threaded sleeve 504, external threads are arranged on the outer side wall of the screw 503, and internal threads matched with the external threads are arranged inside the threaded sleeve 504.

In this embodiment, the supporting shell 501 is disposed at the bottom of the wire netting 8 to support the weight of the wire netting 8, when the ground is uneven, the screw sleeve 504 is rotated to drive the screw rod 503 to go up and down through the engagement of the threads, so that the screw rod 503 contacts with the ground to support, and the connecting shell 502 is rotated outside the supporting shell 501, so that the supporting shell 501 is not conveniently driven to rotate when the screw sleeve 504 is rotated.

In the description of the present invention, it should 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.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a tunnel ventilation dust fall equipment, includes air-supply line (1), malleation forced draught blower (2) and defeated tuber pipe (12), its characterized in that: a positive pressure blower (2) is installed on one side inside the air inlet pipe (1), a filtering structure (3) is arranged on the other side inside the air inlet pipe (1), and an air conveying pipe (12) is arranged on one side of the air inlet pipe (1);

a connecting structure (4) is arranged on one side of the air delivery pipe (12), a flange plate (13) is arranged inside the connecting structure (4), and a supporting structure (5) is arranged at the bottom end of the air delivery pipe (12);

wire netting (8) are installed to one side of defeated tuber pipe (12), water pump (11) are installed on the top of defeated tuber pipe (12), and one side of water pump (11) is fixed with inlet tube (6), the top of water pump (11) is fixed with raceway (10), atomizer (9) are all installed to one side of raceway (10), the top of atomizer (9) is fixed with support frame (7), filtration (3) are including direction shell (301), mount (302), filter screen (303) and draw (304), the inside at air-supply line (1) is fixed to direction shell (301), one side of direction shell (301) is provided with mount (302).

2. The tunnel ventilation dust fall equipment of claim 1, characterized in that: the filter screen (303) is fixed in the fixing frame (302), and the pull handle (304) is fixed at the top end of the fixing frame (302).

3. The tunnel ventilation dust fall equipment of claim 1, characterized in that: the front-view cross section of the filter screen (303) is of a wave-shaped structure, and a sliding structure is formed between the guide shell (301) and the fixing frame (302).

4. The tunnel ventilation dust fall equipment of claim 1, characterized in that: connection structure (4) include sealing washer (401), clamp (402), stationary blade (403), bolt (404) and nut (405), the outside at defeated tuber pipe (12) is established to clamp (402) cover, the top of clamp (402) is fixed with stationary blade (403), the inside of stationary blade (403) is inserted and is equipped with bolt (404), and one side cover of bolt (404) is equipped with nut (405), the inside of clamp (402) is provided with sealing washer (401).

5. The tunnel ventilation dust fall equipment of claim 4, characterized in that: the bolts (404) form fixing plates (403) and are connected with nuts (405), and the clamping bands (402) are symmetrically distributed on the vertical center of the flange plate (13).

6. The tunnel ventilation dust fall equipment of claim 1, characterized in that: the supporting structure (5) comprises a supporting shell (501), a connecting shell (502), a screw rod (503) and a threaded sleeve (504), the supporting shell (501) is installed at the bottom end of the air delivery pipe (12), the connecting shell (502) is sleeved on the outer side of the supporting shell (501), the threaded sleeve (504) is fixed at the bottom end of the connecting shell (502), and the screw rod (503) is inserted into the inner portion of the threaded sleeve (504).

7. The tunnel ventilation dust fall equipment of claim 6, characterized in that: the outer side wall of the screw rod (503) is provided with an external thread, and the interior of the threaded sleeve (504) is provided with an internal thread matched with the external thread.