CN217107108U

CN217107108U - Dust removal and reduction device for tunnel construction

Info

Publication number: CN217107108U
Application number: CN202220554348.5U
Authority: CN
Inventors: 杨均尧; 沈阳; 杨锦; 沈冬
Original assignee: Luoyang Guangda Machinery Equipment Co ltd
Current assignee: Luoyang Guangda Machinery Equipment Co ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-08-02
Anticipated expiration: 2032-03-15

Abstract

The utility model belongs to the field of tunnel construction, and specifically discloses a dust-removing and dust-reducing device used in tunnel construction. The suction end of the machine, the output end of the exhaust fan faces downwards and is connected with an air outlet hood; the mobile trolley is provided with a water tank with an open top in the bracket, and the center of the water tank is detachably installed with a filter placed directly under the air outlet hood. The water tank is equipped with a spray dust-reducing component. The utility model utilizes the cooperation of the exhaust fan and the spray dust-reducing component, in the form of a combination of exhaust air and spraying, firstly, the airflow with dust is introduced into the water tank, and then sprayed and dust-reduced, not only the water after spraying can be recovered. Moreover, the filter cartridge can be used to filter the sewage before recycling, saving water resources, and at the same time, it can effectively prevent the waste water from accumulating on the ground and affecting the subsequent construction, and the dust reduction effect is good.

Description

Dust removal and reduction device for tunnel construction

Technical Field

The utility model relates to a tunnel construction field specifically is a dust removal and dust fall device that tunnel construction used.

Background

With the continuous vigorous development in the aspects of highway, railway and city construction, the number of constructed tunnels is gradually increased, a large amount of dust is generated in the construction process of the tunnels regardless of the drilling and blasting method or the full-section method, and the high-concentration dust not only influences the health of workers, but also has adverse influence on subsequent construction operation. Adopt the dust fall atomizer to reduce the dust in the tunnel construction air at present, but the watering dust fall can produce a large amount of waste water, and waste water gathers on tunnel construction ground, and inside drainage system is imperfect during tunnel construction, and waste water is difficult for evaporating and draws the row, and waste water mixes with the earth on tunnel ground, causes the skidding of follow-up construction easily, increases the follow-up construction degree of difficulty.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust removal and fall device that tunnel construction used to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a dust removal and fall device for tunnel construction comprises a mobile trolley, wherein a support with a downward opening in an Contraband-shaped structure is mounted at the top of the mobile trolley, an exhaust fan is mounted at the top of the support, air inlet covers are arranged on the top surface and two sides of the support, the air inlet covers are respectively connected to the suction end of the exhaust fan through air guide pipes, and the output end of the exhaust fan is downward and connected with an air outlet cover; a water tank with an open top surface is arranged in the support on the movable trolley, a filter cylinder is detachably mounted in the center of the water tank and is arranged right below the air outlet cover, and a spraying dust-settling component is arranged in the water tank.

Preferably, a water outlet is reserved on one side of the bottom of the water tank.

Preferably, spray dust fall subassembly includes and installs the water supply pipeline in the water tank through the bracing piece, water supply pipeline is around establishing straining a peripheral semicircular structure, and its both ends are connected with the shower that vertically upwards extends, and two shower opposite faces equipartition interval has laid a plurality of shower nozzles.

Preferably, the middle part of the water supply pipeline is connected with a water inlet pipe extending into the water tank, and the water inlet pipe is provided with a high-pressure water pump.

Preferably, the lower part of the filter cylinder is of a cylindrical structure, the upper part of the filter cylinder is of an outward-expanding truncated cone-shaped structure, and the filter cylinder comprises an external frame and filter cloth arranged on the frame in an enclosing mode.

Preferably, the inner wall of the bottom surface of the water tank protrudes to form a positioning seat for sleeving the filter cartridge.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses utilize the air exhauster and spray the cooperation of dust fall subassembly to convulsions and the form that sprays and combine together will have the leading-in water tank of air current of dust earlier, spray the dust fall again, not only can retrieve the water after spraying, moreover usable strain a section of thick bamboo and filter the back recycle to sewage, the water economy resource can effectively avoid waste water gathering on ground and influence follow-up construction simultaneously, and the dust fall is effectual.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the filter cartridge of the present invention.

In the figure: 1. moving the trolley; 2. a support; 3. an exhaust fan; 4. an air inlet cover; 5. an air guide pipe; 6. an air outlet cover; 7. a water tank; 8. a filter cartridge; 9. a support bar; 10. a water supply pipeline; 11. a shower pipe; 12. a spray head; 13. a water inlet pipe; 14. a high pressure water pump; 15. a frame; 16. filtering cloth; 17. a positioning seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a dust removal and fall device for tunnel construction comprises a movable trolley 1, wherein the top of the movable trolley is provided with a support 2 with a downward opening in an Contraband-shaped structure, the top of the support 2 is provided with an exhaust fan 3, the top surface and two sides of the support 2 are respectively provided with an air inlet cover 4, each air inlet cover 4 is respectively connected to the suction end of the exhaust fan 3 through an air guide pipe 5, and the output end of the exhaust fan 3 faces downwards and is connected with an air outlet cover 6; a water tank 7 with an open top surface is arranged in the support 2 on the movable trolley 1, a filter cartridge 8 arranged right below the air outlet cover 6 is detachably mounted in the center of the water tank 7, and a spraying dust-settling component is arranged in the water tank 7.

Furthermore, a water outlet is reserved on one side of the bottom of the water tank 7.

Further, spray dust fall subassembly includes installs the water feeding pipeline 10 in water tank 7 through bracing piece 9, water feeding pipeline 10 is around establishing at straining a 8 outlying semicircular structures, and its both ends are connected with vertical shower 11 that upwards extends, and a plurality of shower nozzles 12 have been laid to two shower 11 opposite faces at equal intervals.

Furthermore, the middle part of the water feeding pipeline 10 is connected with a water inlet pipe 13 extending into the water tank 7, and the water inlet pipe 13 is provided with a high-pressure water pump 14.

Further, the lower part of the filter cylinder 8 is a cylindrical structure, the upper part of the filter cylinder is an outwardly expanded truncated cone-shaped structure, and the filter cylinder 8 comprises an outer frame 15 and a filter cloth 16 enclosed on the frame 15.

Furthermore, a positioning seat 17 for sleeving the filter cartridge 8 is formed on the inner wall of the bottom surface of the water tank 7 in a protruding manner.

Furthermore, a control panel is arranged outside the water tank 7 and is respectively connected with the control ends of the exhaust fan 3 and the high-pressure water pump 14.

The working principle is as follows:

during the dust fall, with the dust region in travelling car 1 propelling movement to the tunnel, to adding the water that is no longer than straining a section of thick bamboo 8 height in the water tank 7, start air exhauster 3 and high-pressure water pump 14 through controlling the panel, spray the dust fall work, specifically as follows:

s1, under the suction action of the exhaust fan 3, the air flow with dust enters the air inlet cover 4 and is blown into the water tank 7 from the air outlet cover 6;

s2, simultaneously, under the pumping action of the high-pressure water pump 14, water in the water tank 7 enters the water supply pipeline 10 through the water inlet pipe 13, then flows into the spraying pipes 11 on the two sides, and finally is sprayed out through the spray heads 12;

s3, the water mist sprayed by the spray head 12 meets the air flow with dust led out by the air outlet cover 6, the dust in the air is adsorbed, the water mist with the dust adsorbed falls into the filter cylinder 8 under the action of gravity, the dust particles are intercepted by the filter cloth 16 of the filter cylinder 8, and the filtered water enters the water tank 7 again for recycling.

The filter cartridge 8 is fixed on the positioning seat 17 at the bottom of the water tank 7 in a sleeving manner, so that the filter cartridge is convenient to disassemble and assemble and clean.

Above-mentioned structure, not only can retrieve the water after spraying, but also the usable is strained a section of thick bamboo 8 and is filtered back recycle to sewage, and the water economy resource can effectively avoid waste water gathering to influence follow-up construction on ground simultaneously, and the dust fall is effectual.

It is worth noting that: the whole device realizes control to the control button on the control panel, and because the equipment matched with the control button is common equipment, the device belongs to the prior mature technology, and the electrical connection relation and the specific circuit structure are not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dust-removing and dust-reducing device used in tunnel construction, characterized in that it comprises a mobile trolley (1), the top of which is provided with a bracket (2) of a "crawl" type structure with an opening facing downwards, and an exhaust air is installed on the top of the bracket (2). The fan (3), the top surface and both sides of the bracket (2) are provided with air inlet hoods (4), and each air inlet hood (4) is respectively connected to the suction end of the exhaust fan (3) through the air guide pipe (5), The output end of the exhaust fan (3) faces downward and is connected with an air outlet cover (6); a water tank (7) with an open top surface is arranged on the mobile trolley (1) in the bracket (2), and the center of the water tank (7) A filter cartridge (8) placed directly under the air outlet hood (6) is detachably installed, and a spray dust-reducing component is arranged in the water tank (7).

2 . The dust-removing and dust-reducing device used in tunnel construction according to claim 1 , wherein a water outlet is reserved on one side of the bottom of the water tank ( 7 ). 3 .

3. A dust-removing and dust-reducing device for tunnel construction according to claim 1, wherein the spraying and dust-reducing assembly comprises a water supply pipe (10) installed in the water tank (7) through a support rod (9), The water supply pipe (10) is a semicircular structure arranged around the periphery of the filter cartridge (8), and two ends of the water supply pipe (10) are connected with a spray pipe (11) extending vertically upward, and the opposite surfaces of the two spray pipes (11), etc. A number of spray heads (12) are arranged at intervals.

4. The dust-removing and dust-reducing device used in tunnel construction according to claim 3, characterized in that: a water inlet pipe (13) extending into the water tank (7) is connected in the middle of the water supply pipe (10), and the water inlet pipe ( 13) A high-pressure water pump (14) is installed.

5. The dust-removing and dust-reducing device used in a tunnel construction according to claim 1 is characterized in that: the lower part of the filter cartridge (8) is a cylindrical structure, and its upper part is a circular truncated structure that expands outward, and the filter cartridge (8) 8) Including an outer frame (15) and a filter cloth (16) surrounding the frame (15).

6 . The dust-removing and dust-reducing device for tunnel construction according to claim 1 , wherein the inner wall of the bottom surface of the water tank ( 7 ) protrudes to form a positioning seat ( 17 ) for the filter cartridge ( 8 ). 7 .