CN219197387U

CN219197387U - Dust collection pipeline for tunnel dust removal vehicle

Info

Publication number: CN219197387U
Application number: CN202320834372.9U
Authority: CN
Inventors: 张辉; 信润鑫; 洪永杰; 张彦丽; 邓淑梅
Original assignee: Xiamen Huatian Foreign Institute Of Technology
Current assignee: Xiamen Huatian Foreign Institute Of Technology
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-06-16
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a dust collection pipeline for a tunnel dust collection vehicle, which belongs to the technical field of dust collection vehicles and comprises a dust collection pipe, a spiral dust collection pipe and a dust collection box, wherein a spiral dust collection air duct is arranged in the spiral dust collection pipe, and the dust collection pipe is communicated with an air inlet end at the outermost side of the dust collection air duct; the air outlet end of the dust removal air duct is positioned in the middle of the spiral dust removal pipe and is communicated with the air inlet end of the dust removal box; the outside of dust removal wind channel is provided with centrifugal separation board, centrifugal separation board will the dust removal wind channel outside separates the separation room, a plurality of separation holes have been seted up on the centrifugal separation board. Adopt helical air inlet channel setting for the wind that gets into produces centrifugal force, sets up centrifugal separation board in the outside in dust removal wind channel and separates out big granule dust, reduces the big granule dust that gets into the dust removal case.

Description

Dust collection pipeline for tunnel dust removal vehicle

Technical Field

The utility model relates to the technical field of dust removal vehicles, in particular to a dust collection pipeline for a tunnel dust removal vehicle.

Background

Dust generated in the tunnel construction process seriously threatens the health of operators in the tunnel. According to the different dust control mechanisms, the control measures can be roughly classified into reduction, drop, discharge, removal and resistance 5. (1) dust reduction: spraying water, wet drilling, wet spraying and water seal blasting on the face; (2) dust fall: spraying or sprinkling water at a loading point and a transferring point of the transportation equipment, purifying air by spraying a water curtain, spraying foam dust fall and adding a wetting agent into water; (3) dust removal: ventilating by adopting a fan, selecting the optimal wind speed, arranging a dust-proof curtain, a mechanical seal cover, a return airway air door and the like; (4) dedusting: including filter dust collectors, dry dust collectors, wet dust collectors, and the like; (5) dust blocking: i.e. wearing a dust cap, a dust mask, etc. In actual work, the prevention and treatment means of the tunnel construction dust mainly comprise tunnel ventilation and dust removal. However, the dust treatment by only ventilation of the tunnel is far from sufficient, and the main problem is that the dust can pollute the whole tunnel in the discharging process, harm all operators who enter the tunnel, and have high electricity cost. Therefore, the dust removal operation is generally carried out by adopting a dust removal vehicle during tunnel construction at present, and the principle of the dust removal vehicle is that dust is filtered and cleaned by a filter screen.

However, the sucked air contains a large amount of dust particles, and a large amount of particles directly enter the filter screen, so that the filter screen is easy to adsorb fully, the cleaning frequency of the filter screen needs to be increased, and the service life of the filter screen is reduced.

Disclosure of Invention

The present utility model is directed to solving the above-described problems. The utility model aims to provide a dust collection pipeline for a tunnel dust removal vehicle, which solves the problems, adopts centrifugal force to clean large-particle dust substances with larger mass in advance, and reduces the content of the large-particle dust entering a dust removal box.

The scheme adopted by the embodiment is that the dust collection pipeline for the tunnel dust collection vehicle comprises a dust collection pipe, a spiral dust collection pipe and a dust collection box, wherein a spiral dust collection air duct is arranged in the spiral dust collection pipe, and the dust collection pipe is communicated with an air inlet end at the outermost side of the dust collection air duct; the air outlet end of the dust removal air duct is positioned in the middle of the spiral dust removal pipe, and a connecting pipe is arranged at the air outlet end of the dust removal air duct and is communicated with the air inlet end of the dust removal box; the outside of dust removal wind channel is provided with centrifugal separation board, centrifugal separation board will the dust removal wind channel outside separates the separation room, a plurality of separation holes have been seted up on the centrifugal separation board.

In order to avoid that the sucked-in wind is blocking dust separation in the opposite direction, the angle of the separation baffle is preferably set. One side of the separation hole is provided with a separation baffle plate, the separation baffle plate is positioned at one side far away from the air inlet direction, the separation baffle plate is inclined towards the air inlet direction, an inclination angle theta is arranged between the separation baffle plate and a vertical line of the centrifugal separation plate, and the inclination angle theta is more than or equal to 0 degree and less than or equal to 20 degrees.

The preferable technical scheme of the utility model is that the dust exhaust pipe is arranged at the outer side of the spiral dust exhaust pipe, and the dust exhaust pipe is communicated with the bottom of each circle of the spiral dust exhaust pipe, so that the separation chamber is communicated with the dust exhaust pipe.

The preferable technical scheme of the utility model is that the bottom end of the dust exhaust pipe is provided with an electromagnetic control valve, and the discharge end of the electromagnetic control valve is provided with a dust collecting bag.

The preferable technical scheme of the utility model is that a plurality of dust removing filter screens are arranged in the dust removing box, and air is discharged to the outside from the air outlet end of the dust removing box after being filtered by the dust removing filter screens.

The dust collection pipeline for the tunnel dust removal vehicle has the following technical effects:

the dust collection pipeline for the tunnel dust removal vehicle comprises a dust collection pipe, a spiral dust collection pipe and a dust collection box, wherein a spiral dust collection air duct is arranged in the spiral dust collection pipe, and the dust collection pipe is communicated with an air inlet end at the outermost side of the dust collection air duct; the air outlet end of the dust removal air duct is positioned in the middle of the spiral dust removal pipe and is communicated with the air inlet end of the dust removal box; the outside of dust removal wind channel is provided with centrifugal separation board, centrifugal separation board will the dust removal wind channel outside separates the separation room, a plurality of separation holes have been seted up on the centrifugal separation board. Adopt helical air inlet channel setting for the wind that gets into produces centrifugal force, sets up centrifugal separation board in the outside in dust removal wind channel and separates out big granule dust, reduces the big granule dust that gets into the dust removal case.

Other characteristic features and advantages of the utility model will become apparent from the following description of exemplary embodiments, which is to be read with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model. In the drawings, like reference numerals are used to identify like elements. The drawings, which are included in the description, illustrate some, but not all embodiments of the utility model. Other figures can be derived from these figures by one of ordinary skill in the art without undue effort.

FIG. 1 is a schematic diagram of the overall structure of a dust collection pipeline for a tunnel dust collector in an embodiment of the utility model;

FIG. 2 is a schematic view of the internal structure of a spiral dust removal pipe provided in an embodiment of the present utility model;

FIG. 3 is a schematic view of a separator baffle according to an embodiment of the present utility model;

in the figure:

1. a spiral dust removal pipe; 11. a centrifugal separation plate; 12. a separation hole; 2. a separation baffle; 3. a dust collection pipe; 4. a connecting pipe; 5. a dust removal air duct; 51. a separation chamber; 6. a dust removal box; 61. a dust removal filter screen; 7. a dust exhaust pipe; 8. an electromagnetic control valve; 9. a dust collecting bag.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be arbitrarily combined with each other.

The dust collection pipe 3 for the tunnel dust collection vehicle is described in detail below with reference to the drawings and the embodiments.

As shown in fig. 1, the dust collection pipe 3 for the tunnel dust collection vehicle provided by the utility model comprises a dust collection pipe 3, a spiral dust collection pipe 1 and a dust collection box 6, wherein a spiral dust collection air duct 5 is arranged in the spiral dust collection pipe 1, and the dust collection pipe 3 is communicated with an air inlet end at the outermost side of the dust collection air duct 5; the air outlet end of the dust removal air duct 5 is positioned in the middle of the spiral dust removal pipe 1, and the air outlet end of the dust removal air duct 5 is provided with a connecting pipe 4 which is communicated with the air inlet end of the dust removal box 6; the outside of the dust removal wind channel 5 is provided with a centrifugal separation plate 11, the centrifugal separation plate 11 separates the outside of the dust removal wind channel 5 into a separation chamber 51, and a plurality of separation holes 12 are formed in the centrifugal separation plate 11. The centrifugal exhaust fan is used for providing power and is connected with the exhaust end of the dust removal box 6. After the dust is sucked into the spiral dust removing pipe 1, the wind is spirally conveyed due to the restriction of the pipe, the large particle dust moves against the centrifugal separation plate 11 due to the centrifugal force during conveyance, and the large particle dust falls into the separation chamber 51 while passing through the separation hole 12, and then falls to the bottom along the separation chamber 51. The large particle dust entering the dust box 6 can be effectively reduced, so that the service life of the dust removing filter screen 61 is greatly prolonged.

In order to avoid that the sucked-in wind is blocking dust separation in the opposite direction, the angle of the separation baffle 2 is preferably set. The separation baffle plate 2 is arranged on one side of the separation hole 12, the separation baffle plate 2 is positioned on one side far away from the air inlet direction, the separation baffle plate 2 is inclined towards the air inlet direction, an inclination angle theta is arranged between the separation baffle plate 2 and a vertical line of the centrifugal separation plate 11, and the inclination angle theta is more than or equal to 0 degree and less than or equal to 20 degrees. The opening of the separation hole 12 has a certain width, and the large-particle dust falls into the separation hole 12 without the separation baffle 2, and the separation baffle 2 is inclined towards the entering direction, so that an oblique acting force opposite to the air inlet direction is provided, and the large-particle dust is directly pushed into the separation chamber 51. Moreover, the included angle cannot be too large, preferably a 10 ° inclined angle is adopted, and the excessive inclined angle causes the reverse wind to blow large particle dust back into the dust removal air duct 5.

In order to facilitate the discharge of the separated large-particle dust, it is preferable that the dust discharge pipe 7 is provided at the outer side of the spiral dust removal pipe 1, and the dust discharge pipe 7 is communicated with the bottom of each turn of the spiral dust removal pipe 1, so that the separation chamber 51 is communicated with the dust discharge pipe 7. Dust from each turn is deposited and falls to the bottom of the separation chamber 51 of each turn, and is uniformly discharged through the dust discharge pipe 7. Further, an electromagnetic control valve 8 is arranged at the bottom end of the dust exhaust pipe 7, and a dust collecting bag 9 is arranged at the discharge end of the electromagnetic control valve 8. In a normal state, the electromagnetic control valve 8 is in a closed state, and when dust is required to be discharged, the electromagnetic control valve 8 is opened, so that large-particle dust is collected by the dust collecting bag 9.

Preferably, a plurality of dust removing filter screens 61 are disposed inside the dust removing box 6, and air is filtered by the dust removing filter screens 61 and discharged to the outside from the air outlet end of the dust removing box 6. The dust removing box 6 is a dust removing box 6 on a conventional dust removing vehicle, and can be used only by installing the spiral dust removing pipe 1 at the air inlet end of the conventional dust removing box 6.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in an article or apparatus that comprises the element.

The above embodiments are only for illustrating the technical scheme of the present utility model, not for limiting the same, and the present utility model is described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and the present utility model is intended to be covered by the scope of the appended claims.

Claims

1. The utility model provides a dust absorption pipeline for tunnel dust removal car which characterized in that:

the dust collection device comprises a dust collection pipe, a spiral dust collection pipe and a dust collection box, wherein a spiral dust collection air duct is arranged in the spiral dust collection pipe, and the dust collection pipe is communicated with an air inlet end at the outermost side of the dust collection air duct; the air outlet end of the dust removal air duct is positioned in the middle of the spiral dust removal pipe, and a connecting pipe is arranged at the air outlet end of the dust removal air duct and is communicated with the air inlet end of the dust removal box;

the outside of dust removal wind channel is provided with centrifugal separation board, centrifugal separation board will the dust removal wind channel outside separates the separation room, a plurality of separation holes have been seted up on the centrifugal separation board.

2. A dust collection pipe for a tunnel dust removal vehicle as set forth in claim 1, wherein:

one side of the separation hole is provided with a separation baffle plate, the separation baffle plate is positioned at one side far away from the air inlet direction, the separation baffle plate is inclined towards the air inlet direction, an inclination angle theta is arranged between the separation baffle plate and a vertical line of the centrifugal separation plate, and the inclination angle theta is more than or equal to 0 degree and less than or equal to 20 degrees.

3. A dust collection pipe for a tunnel dust removal vehicle as set forth in claim 1, wherein:

the outside of the spiral dust removal pipe is provided with a dust removal pipe, and the dust removal pipe is communicated with the bottom of each circle of the spiral dust removal pipe, so that the separation chamber is communicated with the dust removal pipe.

4. A dust collection pipe for a tunnel dust removal vehicle as set forth in claim 3, wherein:

the bottom of the dust exhaust pipe is provided with an electromagnetic control valve, and the discharge end of the electromagnetic control valve is provided with a dust collecting bag.

5. A dust collection pipe for a tunnel dust removal vehicle as set forth in claim 1, wherein:

the dust removal box is internally provided with a plurality of dust removal filter screens, and air is discharged to the outside from the air outlet end of the dust removal box after being filtered by the dust removal filter screens.