CN214196372U - TBM tunnel distributed natural draft air purification system - Google Patents

Abstract

The utility model provides a TBM tunnel distributing type natural draft air purification system, relates to TBM engineering technical field, including distributing type dust absorption pipe, chimney, gather the tuber pipe, the chimney pass through the vertical setting of fixing device outside the tunnel, be equipped with the dust in the chimney bottom and collect the fill, the dust is collected and is fought the bottom and be equipped with out the dirt mouth, it is connected with the dust collection box to go out the dirt mouth, distributing type dust absorption pipe comprises many dust absorption pipes, the dust absorption pipe passes through support evenly distributed on the lateral wall in tunnel to extend to tunnel in moving towards along the tunnel, be equipped with a plurality of air inlet takeover on the dust absorption pipe, the outside end and the chimney of dust absorption pipe are connected, still be equipped with inclined wire filter in the chimney, gather the tuber pipe and pass through thrust roller bearing and install in the top of chimney, and gather tuber pipe and communicate each other with the chimney, still be equipped with the direction pterygoid lamina at the top of gathering the tuber pipe. The utility model provides a can carry out whole purification to the air in the TBM tunnel, and not power consumption, a TBM tunnel distributing type natural draft air purification system of non-resource-wasting.

Description

TBM tunnel distributed natural draft air purification system

Technical Field

The utility model relates to a TBM engineering technical field, concretely relates to TBM tunnel distributing type natural draft air purification system.

Background

In the process of TBM tunnel construction, can produce a large amount of dusts, because the space in tunnel is narrow, and seals relatively, the dust is difficult to discharge fast, leads to the environmental pollution in the tunnel great, endangers staff's healthy.

The existing dust removing equipment is divided into dry dust removing equipment and wet dust removing equipment, and the dry dust removing equipment and the wet dust removing equipment are also mixed for application, no matter the dry dust removing equipment or the wet dust removing equipment needs a large amount of electric appliances to participate in work, so that the energy consumption and the noise are high in the dust removing process, new noise pollution is formed, and the dust removing equipment can only remove dust aiming at a specific construction site in a tunnel and cannot purify the whole environment in the tunnel, so that the physical and mental health of constructors cannot be guaranteed, in addition, the dust removing equipment can generate a large amount of noise and consumes energy and resources (such as water and electricity), so that the use frequency of the dust removing equipment is reduced or is idle.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the prior art, this is novel to provide can carry out whole purification to the air in the TBM tunnel, and does not consume the electric energy, a TBM tunnel distributing type natural draft air purification system of non-resource waste.

In order to realize the purpose, the novel technical scheme is as follows:

the utility model provides a TBM tunnel distributing type natural draft air purification system, includes distributing type dust absorption pipe, chimney, gathers the tuber pipe, the chimney pass through the vertical setting of fixing device outside the tunnel, be equipped with the dust in the chimney bottom and collect the fill, the dust is collected and is fought the bottom and be equipped with out the dirt mouth, go out the dirt mouth and be connected with the dust collection case, distributing type dust absorption pipe constitute by many dust absorption pipes, the dust absorption pipe pass through support evenly distributed on the lateral wall in tunnel to move towards to extending in the tunnel along the tunnel, the dust absorption pipe on be equipped with a plurality of air inlet takeovers, the outside end and the chimney of dust absorption pipe be connected, still be equipped with oblique net filtering mechanism in the chimney, gather the tuber pipe and install in the top of chimney through thrust roller bearing, and gather tuber pipe and chimney intercommunication each other, still be equipped with the direction pterygoid lamina at the top of gathering the tuber pipe.

Preferably, the dust suction pipe is of an inclined pipe structure, and the lower end of the inclined pipe structure is in threaded connection with a connector arranged on the side wall of the chimney.

Preferably, the air inlet connecting pipe is arranged at the upper part of the dust collection pipe and is also of an inclined pipe structure, and the opening of the air inlet connecting pipe faces the inner side of the tunnel.

Preferably, the chimney is formed by assembling a plurality of chimney sections, and adjacent chimney sections are connected through flanges.

Preferably, the inclined screen filtering mechanism comprises an inclined filtering screen and a spring, the inclined filtering screen is arranged in the chimney section, one end of the spring is fixedly connected with the middle of the filtering screen, and the other end of the spring is fixedly connected with the surface of the inner wall of the chimney section through a spring seat.

Preferably, the inclined screen filtering mechanisms are multiple and uniformly distributed in the chimney, and the mesh number of the filter screens of the inclined screen filtering mechanisms is sequentially increased from bottom to top along the trend of the chimney.

Preferably, the inner diameter of the chimney is larger than the sum of the inner diameters of the dust suction pipes in the tunnel.

Preferably, the support include along vertical metal sheet of fixing in advance on the tunnel inner wall and along vertical evenly distributed in the branch of metal sheet surface, the bottom and the metal sheet fixed connection of branch, and the outer wall surface of branch is equipped with the external screw thread to the spiro union has stop nut, dust absorption pipe joint between stop nut and metal sheet.

This novel TBM tunnel distributing type natural draft air purification system has following beneficial effect: this is novel can carry out whole dust removal purification to the environment in the tunnel through distributing type dust absorption pipe, and whole process does not consume the electric energy, does not need the water source, also does not need artifical nurse, has greatly saved resource and cost, and in addition, this is novel assembled structure, and the dismouting transportation of being convenient for can not produce a large amount of noises during the use, is fit for using widely.

Drawings

FIG. 1: the structure of the novel device is shown schematically;

1: dust absorption pipe, 2: a bracket, 3: air inlet connecting pipe, 4: chimney segment, 5: filter screen, 6: spring seat, 7: spring, 8: flange, 9: dust collecting hopper, 10: dust collection box, 11: dust outlet, 12: thrust roller bearing, 13: air collecting pipe, 14: guide wing plate, 15: interface, 21: metal sheet, 22: strut, 23: and a limiting nut.

Detailed Description

The present invention is described in detail below with reference to the drawings, which are intended to illustrate preferred embodiments of the present invention and not to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to be referred to must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention.

In one embodiment, the distributed natural ventilation air purification system for the TBM tunnel, as shown in figure 1, comprises a distributed dust suction pipe, a chimney and an air gathering pipe 13, wherein the chimney is vertically arranged outside the tunnel through a fixing device, a dust collecting hopper 9 is arranged at the bottom of the chimney, a dust outlet 11 is arranged at the bottom of the dust collecting hopper 9, the dust outlet 11 is connected with a dust collecting box 10, the distributed dust absorption pipe is composed of a plurality of dust absorption pipes 1, the dust absorption pipes 1 are uniformly distributed on the side wall of the tunnel through a bracket 2, and extends into the tunnel along the tunnel trend, a plurality of air inlet connecting pipes 3 are arranged on the dust suction pipe 1, the outer side end of the dust suction pipe 1 is connected with a chimney, an inclined net filtering mechanism is also arranged in the chimney, the wind gathering pipe 13 is arranged at the top of the chimney through a thrust roller bearing 12, and the wind gathering pipe 13 is communicated with the chimney, and the top of the wind gathering pipe 13 is also provided with a guide wing plate 14.

In a further embodiment, as shown in fig. 1, the dust suction pipe 1 is an inclined pipe structure, and the lower end of the inclined pipe structure is screwed with a connector 15 arranged on the side wall of the chimney.

In a further embodiment, as shown in fig. 1, the air inlet connecting pipe 3 is disposed at the upper portion of the dust collecting pipe 1, the air inlet connecting pipe 3 is also in an inclined pipe structure, and an opening of the air inlet connecting pipe 3 faces the inner side of the tunnel.

In a further embodiment, as shown in fig. 1, the chimney is assembled from a plurality of chimney segments 4, and adjacent chimney segments 4 are connected by flanges 8.

In a further embodiment, as shown in fig. 1, the inclined screen filtering mechanism includes an inclined screen 5 disposed in the chimney section 4, and a spring 7, wherein one end of the spring 7 is fixedly connected to the middle of the screen 5, and the other end is fixedly connected to the inner wall surface of the chimney section 4 through a spring seat 6.

In a further embodiment, as shown in fig. 1, the inclined wire filtering mechanisms are provided in plurality and are uniformly distributed in the chimney, and the mesh number of the filtering nets 5 of the inclined wire filtering mechanisms is increased from bottom to top along the trend of the chimney.

In a further embodiment, as shown in figure 1, the chimney has an internal diameter greater than the sum of the internal diameters of the suction pipes 1 in the tunnel.

In a further embodiment, as shown in fig. 1, the bracket 2 includes a metal sheet 21 longitudinally pre-fixed on the inner wall of the tunnel and support rods 22 longitudinally and uniformly distributed on the outer surface of the metal sheet, the bottom end of the support rod 22 is fixedly connected with the metal sheet 2, the outer wall surface of the support rod 22 is provided with external threads and is screwed with a limit nut 23, and the dust collection pipe 1 is clamped between the limit nut 23 and the metal sheet 2.

This neotype theory of use:

1. the novel tunnel dust collection device can lead each section in the tunnel to be capable of carrying out dust removal and purification through the distributed dust collection pipes and the air inlet connecting pipes 3 uniformly distributed on the upper parts of the dust collection pipes;

2. the mechanism of dust removal and purification is as follows: because of the wind gathering effect of the narrow pipe, a rapid wind flow can be generated in the wind gathering pipe 13, so that the pressure in the wind gathering pipe is reduced, the airflow in the chimney is further driven to flow out through the wind gathering pipe 13, because the inner diameter of the chimney is larger than the sum of the inner diameters of the dust suction pipes 1 in the tunnel, the gas with dust in the tunnel can rapidly flow into the dust suction pipes 1, because the dust suction pipes 1 adopt an inclined pipe structure, the dust is favorably settled in the flowing process of the gas with dust, the settled dust slides into the dust collection hopper 9 at the bottom of the chimney under the action of the airflow and the self gravity and further slides into the dust collection box 10 from the dust outlet 11, the airflow after settlement upwards moves in the chimney, and is filtered by an inclined net filtering mechanism, the air is further purified, and the dust falls into the dust collection box 10;

3. the novel inclined screen filtering mechanism is provided with the springs 7, the springs 7 vibrate to shake dust on the filtering screens 5 in the process of outward discharge of gas, the mesh number of the filtering screens of the inclined screen filtering mechanisms is gradually increased from bottom to top, the dust in the air can be filtered step by step until a good air purification effect is achieved, and the dust shaken off by the upper filtering screen cannot be blocked by the lower filtering screen and still falls into the dust collection box 10 because the mesh number of the upper filtering screen is high and the mesh number of the lower filtering screen is low;

4. the novel chimney adopts an assembly type structure, a plurality of chimney sections 4 are connected into a chimney whole through flanges 8, so that the installation is convenient, the height of the chimney is convenient to set according to the environment outside a tunnel, and as for the fixing mode of the chimney, a support can be adopted or the chimney can be fixed on the existing building or object;

5. the bracket 2 used for fixing the dust collection pipe 1 can use a duct piece connecting bracket commonly used in a tunnel, so that the existing structure is utilized for fixing, and the installation cost can be further saved; in addition, the dust absorption pipe is connected with the chimney in a screw connection mode, so that the novel integrated tunnel structure integrally forms an assembled structure, and is convenient to assemble, disassemble and transport in tunnel construction;

6. this neotype dust removal process does not consume the electric energy, also need not utilize the water source, more does not need artifical nurse, but carries out systematic dust removal purification in to the tunnel through natural draft, can bring good operational environment for the constructor, and with low costs, the installation is dismantled conveniently, is suitable for using widely.

Claims (8)

1. A TBM tunnel distributed natural draft air purification system characterized in that: including distributing type dust absorption pipe, chimney, gather the tuber pipe, the chimney pass through the vertical setting of fixing device outside the tunnel, be equipped with the dust in the chimney bottom and collect the fill, the dust is collected and is fought the bottom and be equipped with out the dirt mouth, go out the dirt mouth and be connected with the dust collecting box, distributing type dust absorption pipe constitute by many dust absorption pipes, the dust absorption pipe pass through support evenly distributed on the lateral wall in tunnel to extend to the tunnel in along the tunnel trend, the dust absorption pipe on be equipped with a plurality of air inlets and take over, the outside end and the chimney of dust absorption pipe be connected, still be equipped with inclined wire filter mechanism in the chimney, gather the tuber pipe and pass through thrust roller bearing and install in the top of chimney, and gather tuber pipe and chimney intercommunication each other, still be equipped with the direction pterygoid lamina at the top of gathering the tuber pipe.

2. A TBM tunnel distributed natural draft air purification system as claimed in claim 1 wherein: the dust absorption pipe is an inclined pipe structure, and the lower end of the inclined pipe structure is in threaded connection with a connector arranged on the side wall of the chimney.

3. A TBM tunnel distributed natural draft air purification system as claimed in claim 2 wherein: the air inlet connecting pipe is arranged on the upper portion of the dust collection pipe and is also of an inclined pipe structure, and an opening of the air inlet connecting pipe faces towards the inner side of the tunnel.

4. A TBM tunnel distributed natural draft air purification system as claimed in any one of claims 1 to 3 wherein: the chimney is formed by assembling a plurality of chimney sections, and adjacent chimney sections are connected through flanges.

5. A TBM tunnel distributed natural draft air purification system as claimed in claim 1 wherein: the inclined screen filtering mechanism comprises an inclined filtering screen and a spring, the inclined filtering screen is arranged in the chimney section, one end of the spring is fixedly connected with the middle of the filtering screen, and the other end of the spring is fixedly connected with the surface of the inner wall of the chimney section through a spring seat.

6. A TBM tunnel distributed natural draft air purification system as claimed in claim 2 wherein: the inclined net filtering mechanisms are multiple and are uniformly distributed in the chimney, and the mesh number of the filtering nets of the inclined net filtering mechanisms is sequentially increased from bottom to top along the trend of the chimney.

7. A TBM tunnel distributed natural draft air cleaning system as claimed in any one of claims 1 to 3, 5 and 6 wherein: the inner diameter of the chimney is larger than the sum of the inner diameters of the dust suction pipes in the tunnel.

8. A TBM tunnel distributed natural draft air purification system as claimed in claim 7 wherein: the support include along vertical pre-fixing the sheetmetal on the tunnel inner wall and along vertical evenly distributed in the branch of sheetmetal surface, the bottom and the sheetmetal fixed connection of branch, and the outer wall surface of branch is equipped with the external screw thread to the spiro union has stop nut, dust absorption pipe joint between stop nut and sheetmetal.

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