CN216726501U

CN216726501U - Tunnel dust device of circulated water

Info

Publication number: CN216726501U
Application number: CN202220277400.7U
Authority: CN
Inventors: 刘长红; 梁向东; 陈铁晖; 袁兆廷; 姜大欢; 欧阳学武
Original assignee: China Railway 24th Bureau Group Co Ltd; Nanchang Railway Engineering Co Ltd of China Railway 24th Bureau Group Co Ltd
Current assignee: China Railway 24th Bureau Group Co Ltd; Nanchang Railway Engineering Co Ltd of China Railway 24th Bureau Group Co Ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-06-14
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a tunnel dust settling device capable of recycling water, which belongs to the technical field of tunnel dust settling and comprises a water mist chamber, wherein one side of the water mist chamber is provided with an air inlet device, the other side of the water mist chamber is provided with an air outlet device, the top of the water mist chamber is provided with a second motor, the second motor is connected with a second filter screen through a rotating shaft, the second filter screen is arranged at the inner bottom of the water mist chamber, the bottom of the water mist chamber is communicated with a sewage tank, one side of the sewage tank is connected with the input end of a first water pump through a first water pipe, a third filter screen is arranged in the first water pipe, the output end of the first water pump is connected with one side of a clean water tank, the clean water tank is connected with the input end of a second water pump through a second water pipe, the output end of the second water pump is connected with a water mist spray nozzle, and the water mist nozzle is arranged at the inner top of the water mist chamber, realizes water circulation and achieves the effects of saving water and time.

Description

Tunnel dust device of circulated water

Technical Field

The utility model relates to the technical field of tunnel dust settling, in particular to a tunnel dust settling device capable of recycling water.

Background

Road construction and resource development are important construction projects in China, and have important values for promoting national economic growth, improving the quality of life of people and the like.

Tunnel blasting plays a vital role in road construction and resource development processes, a large amount of dust and toxic and harmful gas are generated after a tunnel face is excavated in blasting construction processes of existing road tunnels, railway tunnels, mine tunnels and the like, and at present, dust cleaning methods include a natural dust settling method, a ventilation dust settling method, a sprinkler dust settling method and the like. The natural dust settling method requires a lot of time and further influences the construction progress; the ventilation dust settling method has unsatisfactory dust settling effect when facing long tunnels, air leakage environment exists when the distance between the air pipes is too long, and dust is discharged from the openings of the air pipes to pollute the environment; when facing long tunnel, watering lorry dust fall law needs the staff to drive the watering lorry and round and go outside the hole in the hole and cause with high costs inefficiency.

Therefore, in view of the above problems, it is necessary to provide a dust settling device capable of recycling water to save labor and time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tunnel dust settling device capable of recycling water, which solves the problems mentioned in the technical background. In order to achieve the purpose, the utility model provides the following technical scheme: a tunnel dust settling device capable of recycling water comprises a water mist chamber, wherein one side of the water mist chamber is provided with air inlet equipment, the other side of the water mist chamber is provided with air outlet equipment, the top of the water mist chamber is provided with a second motor, the second motor is connected with a second filter screen through a rotating shaft, and the second filter screen is arranged at the inner bottom of the water mist chamber;

the bottom intercommunication of water smoke cavity has the effluent water sump, one side of effluent water sump has the input of first water pump through first water piping connection, be equipped with the third filter screen in the first water piping, first water pump output is connected with one side of clean water reservoir, the clean water reservoir has the input of second water pump through second water piping connection, the output of second water pump is connected with the water smoke shower nozzle, just the water smoke shower nozzle sets up top in the water smoke cavity.

Further, air inlet equipment includes the clean room, the air inlet has been seted up to one side of clean room, the opposite side of clean room through first passageway with the water smoke cavity is connected, first passageway is close to the one end of clean room is equipped with first filter screen, the top of clean room is equipped with first motor, the output of first motor is connected with the air exhauster of setting in the clean room.

Further, the air outlet device comprises an air purifying chamber, a third motor is arranged at the top of the air purifying chamber, an exhaust fan arranged in the air purifying chamber is arranged at the output end of the third motor, activated carbon is arranged in the air purifying chamber, one side of the air purifying chamber is connected with the water mist cavity through a second channel, and an air outlet is formed in the other side of the air purifying chamber.

Further, the first filter screen is arranged above the inner bottom surface of the dust removing chamber.

Further, the air inlet, the exhaust fan and the first filter screen are positioned at the same horizontal height.

Further, the water smoke cavity is through storing up dirt box intercommunication with the effluent water sump, it sets up to store up dirt box the periphery of second filter screen, it includes first semi-circular storage dirt box and the semi-circular storage dirt box of second to store up dirt box, and it all through fixing bolt with the connection can be dismantled to water smoke cavity and effluent water sump, it is used for depositing the filtration dirt of second filter screen to store up dirt box.

Further, the rotating shaft is vertically arranged in the water mist chamber, and the surface of the rotating shaft is coated with waterproof paint.

Furthermore, one side that clean water reservoir and effluent water sump are close to first water pipe is equipped with delivery port and water inlet respectively, a water valve is established to one side that first water pipe is close to the effluent water sump, first water pipe is close to clean water reservoir one side and establishes the inlet valve.

In conclusion, the utility model has the following beneficial effects:

according to the tunnel dust settling device capable of recycling water, after blasting, the dust cleaning speed is accelerated by starting the exhaust fan and the exhaust fan, larger particles are filtered out through the first filter screen, water mist in the water mist cavity further cleans dust, and in addition, toxic and harmful gas is adsorbed by activated carbon, so that clean air can be discharged from the exhaust port, and the internal environment of a tunnel is improved;

the air containing dust and passing through the first filter screen enters the water mist chamber, the dust and water are combined and then enter the sewage pool through the second filter screen due to gravity, so that part of dust is left on the second filter screen to realize the separation of the dust and the water, the sewage pool also contains a small part of dust, under the action of the first water pump, the water in the sewage pool enters the clean water pool through the third filter screen to further realize the separation of the dust and the water, the clean water is pumped to the water mist spray head through the second water pump and the pressure water pump, and the water is atomized through the water mist spray head to be combined with the dust, so that the water circulation is realized, and the effects of saving water quantity and saving time are achieved;

the second filter screen is driven to rotate through the rotating shaft by the second motor, so that dust on the second filter screen enters the dust storage box due to centrifugal force, the effect of cleaning the second filter screen is achieved, and the effect of cleaning dust in the dust storage box is achieved through the arrangement of the fixing bolts.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure 1-1 of the present invention;

FIG. 3 is a schematic perspective view of the dust storage box according to the present invention;

fig. 4 is a front view of fig. 3 of the present invention.

In the figure: 1. an air inlet; 2. a dust chamber; 3. a first channel; 4. a dust storage box; 5. a sewage tank; 6. a first filter screen; 7. a water mist chamber; 8. a clear water tank; 9. a second channel; 10. activated carbon; 11. a gas purifying chamber; 12. an exhaust port; 13. an exhaust fan; 14. a second motor; 15. a rotating shaft; 16. a second filter screen; 17. an exhaust fan; 18. a water outlet; 19. a water inlet; 20. a water mist spray head; 21. a first water pump; 22. a second water pump; 23. a first water pipe; 24. a second water pipe; 25. a water outlet valve; 26. a water inlet valve; 27. a third filter screen; 28. a pressurized water pump; 29. a first motor; 30. a third motor; 401. connecting the outer wall; 402. a screw hole; 403. a first semi-circular dust storage box; 404. a second semicircular dust storage box; 501. a first conduit; 701. a second conduit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present embodiment includes a clean room 2, a first channel 3, a mist chamber 7, a second channel 9, a clean room 11, a sewage tank 5, a first water pipe 23, a clean water tank 8, and a second water pipe 24. The bottom of the water mist chamber 7 is in a shape of a pot, the bottom of the water mist chamber is communicated with a first pipeline 501, the top of the sewage pool 5 is connected with a second pipeline 701, the dust removal chamber 2 is connected with the water mist chamber 7 through a first channel 3, and a first filter screen 6 is arranged at the inlet of the first channel 3; the water mist chamber 7 is connected to a purging chamber 11 via a second passage 9. The water mist chamber 7 is connected with the sewage tank 5 through the dust storage box 4; the clear water tank 8 is connected with the sewage tank 5 through a first water pipe 23; the clean water tank 8 is connected with the water mist chamber 7 through a second water pipe 24; the lagoon 5, the first water pipe 23, the clean water reservoir 8, the second water pipe 24 and the mist chamber 7 form a closed loop. An air inlet 1 and an exhaust fan 17 are arranged in a dust removing chamber 2, a first motor 29 is arranged above the dust removing chamber 2 and connected with the exhaust fan 17, the air inlet 1, the exhaust fan 17 and a first filter screen 6 are positioned at the same horizontal height, the cross-sectional area of the air inlet 1 is not more than that of the first filter screen 6, a water mist spray head 20 is arranged in a water mist chamber 7, a second motor 14 is arranged above the water mist chamber 7, the second motor 14 is coaxially connected with a second filter screen 16 through a rotating shaft 15, a dust storage box 4 is arranged on the periphery of the second filter screen 16, the dust storage box 4 comprises a first semicircular dust storage box 403 and a second semicircular dust storage box 404, the upper end and the lower end of each of the first semicircular dust storage box 403 and the second semicircular dust storage box 404 are both connected with a connecting outer wall 401, a screw hole 402 is formed in the connecting outer wall 401, the connecting outer wall 401 is connected with a second pipeline 701, and the first pipeline 501 is inserted into the screw hole 402 through a fixing bolt for jointing, vertical water smoke chamber 7 of axis of rotation 15 and its surface scribbles waterproof coating, first water pipe 23 both ends are connected with delivery port 18 and water inlet 19 respectively, first water pipe 23 is close to 5 one sides of effluent water sump and establishes outlet valve 25, first water pipe 23 is close to one side of effluent water sump and establishes inlet valve 26, establish third filter screen 27 in the first water pipe 23, first water pipe 23 is connected through first water pump 21, second water pipe 24 both ends are connected with water sump 8 and water smoke shower nozzle 20 respectively, second water pipe 24 is connected through second water pump 22 and pressurized water pump 28, first filter screen 6 sets up the top at the interior bottom surface of clean room 2, make the bottom of clean room 2 leave a cavity, deposit the impurity that first filter screen 6 filtered through this cavity.

The utility model relates to a tunnel dust settling device capable of recycling water, which is used as a method for using the tunnel dust settling device and has the following working principle that clean water is injected into a clean water tank 8 in advance, after blasting the tunnel face, workers drive a transport vehicle to transport the device to a position needing dust settling, at the moment, a water outlet 18 and a water inlet 19 are both in a closed state, a first motor 29 and a third motor 30 are opened to start an exhaust fan 17 and an exhaust fan 13 so as to accelerate dust cleaning in the device, a second water pump 22 and a pressurized water pump 28 are opened to pump the clean water in the clean water tank 8 to a water mist nozzle 20 along a second water pipe 24, the clean water is atomized and sprayed into a water mist chamber 7 by the water mist nozzle 20, air containing dust enters from an air inlet 1 in a dust settling chamber 2 under the action of the exhaust fan 17, and particulate matters with larger diameters and part of the dust can be left at the bottom of the dust settling chamber 2 due to the filtering action of a first filter screen 6, and finishing the preliminary filtration. Air containing dust enters the water mist chamber 7 through the first channel 3, dust in the air is combined with water mist, and dust water is settled downwards due to gravity to complete secondary filtration. At this time, the air containing poisonous and harmful gas enters the air purifying chamber 11 from the second passage 9, and the air is further filtered due to the adsorption of the activated carbon 10 to the poisonous and harmful gas, so that the clean air is exhausted from the exhaust port 12 under the action of the exhaust fan 13, and the environment inside the tunnel is improved.

The dust water in the water mist chamber 7 is settled downwards due to gravity, most of dust can be left on the upper surface of the second filter screen 16 through the filtering action of the second filter screen 16, the water containing a small amount of impurities enters the sewage tank, the filtering effect of the second filter screen 16 can be influenced along with the accumulation of the dust on the surface of the second filter screen 16, the second motor 14 is started, the second filter screen 16 starts to rotate under the driving of the rotating shaft 15, the dust on the surface of the second filter screen 16 enters the dust storage box 4 due to the centrifugal action, when the dust in the dust storage box 4 is accumulated more, the bolts in the screw holes 402 are unscrewed to separate the connection outer wall 401 from the second pipe 701 and the first pipe 501, the first and second semicircular

dust storage boxes

403 and 404 are detached to be washed, then the connecting outer wall 401 is connected with the second pipeline 701 and the first pipeline 501 through the bolt inserted into the screw hole 402, so that the second filter screen 16 can filter dust water for a long time without blockage.

When the clean water in the clean water reservoir 8 is used up, the second water pump 22 and the pressurizing water pump 28 are closed, the water outlet valve 25 and the water inlet valve 26 are pulled to open the water outlet 18 and the water inlet 19, and the first water pump 21 is opened, so that the water in the sewage reservoir 5 can enter the clean water reservoir 8 through the third filter screen 27 along the first water pipe 23, and the third filter screen 27 does not need to be cleaned frequently due to the filtering effects of the previous times, and thus, a clean water cycle is completed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The tunnel dust settling device capable of recycling water is characterized by comprising a water mist chamber (7) and a second motor (14) arranged at the top of the water mist chamber (7), wherein air inlet equipment is arranged on one side of the water mist chamber (7), air outlet equipment is arranged on the other side of the water mist chamber (7), the second motor (14) is connected with a second filter screen (16) through a rotating shaft (15), and the second filter screen (16) is arranged at the inner bottom of the water mist chamber (7);

the bottom intercommunication of water smoke cavity (7) has effluent water sump (5), one side of effluent water sump (5) is connected with the input of first water pump (21) through first water pipe (23), be equipped with third filter screen (27) in first water pipe (23), first water pump (21) output is connected with one side of clean water sump (8), clean water sump (8) are connected with the input of second water pump (22) through second water pipe (24), the output of second water pump (22) is connected with water smoke shower nozzle (20), just water smoke shower nozzle (20) set up top in water smoke cavity (7).

2. The tunnel dust settling device capable of recycling water according to claim 1, wherein: air inlet equipment includes clean room (2), air inlet (1) have been seted up to one side of clean room (2), the opposite side of clean room (2) through first passageway (3) with water smoke cavity (7) are connected, first passageway (3) are close to the one end of clean room (2) is equipped with first filter screen (6), the top of clean room (2) is equipped with first motor (29), the output of first motor (29) is connected with air exhauster (17) of setting in clean room (2).

3. The tunnel dust settling device capable of recycling water according to claim 1, wherein: the air outlet equipment comprises an air purifying chamber (11), a third motor (30) is arranged at the top of the air purifying chamber (11), an output end of the third motor (30) is provided with an exhaust fan (13) arranged in the air purifying chamber (11), activated carbon (10) is arranged in the air purifying chamber (11), one side of the air purifying chamber (11) is connected with a water mist chamber (7) through a second channel (9), and an exhaust port (12) is formed in the other side of the air purifying chamber (11).

4. The tunnel dust settling device capable of recycling water according to claim 2, wherein: the first filter screen (6) is arranged above the inner bottom surface of the dust removing chamber (2).

5. A tunnel dust settling device capable of recycling water according to claim 2, wherein: the air inlet (1), the exhaust fan (17) and the first filter screen (6) are positioned at the same horizontal height.

6. The tunnel dust settling device capable of recycling water according to claim 1, wherein: water smoke chamber (7) and effluent water sump (5) are through storing up dirt box (4) intercommunication, it sets up to store up dirt box (4) the periphery of second filter screen (16), it includes first semi-circular storage dirt box (403) and second semi-circular storage dirt box (404) to store up dirt box (4), and it all through fixing bolt with water smoke chamber (7) and effluent water sump (5) can dismantle the connection, it is used for depositing the filtration dirt of second filter screen (16) to store up dirt box (4).

7. The tunnel dust settling device capable of recycling water according to claim 1, wherein: the rotating shaft (15) is vertically arranged in the water mist chamber (7), and the surface of the rotating shaft is coated with waterproof paint.

8. A tunnel dust settling device capable of recycling water according to claim 1, wherein: clean water reservoir (8) and effluent water sump (5) are close to one side of first water pipe (23) and are equipped with delivery port (18) and water inlet (19) respectively, first water pipe (23) are close to effluent water sump (5) one side and establish outlet valve (25), inlet valve (26) are established to first water pipe (23) one side that is close to clean water reservoir (8).