CN213133601U - Dust purification device used in piston wind flow of subway station - Google Patents

Abstract

The utility model discloses a dust purification device for in subway station piston air current, including plate electro-magnet, a controller, the vertical setting of multi-disc plate electro-magnet is on the horizontal pole, horizontal pole left and right sides symmetry is equipped with left mounting bracket and right mounting bracket, the horizontal pole both ends are fixed respectively on left mounting bracket and right mounting bracket, be equipped with the containing box on the left mounting bracket, be equipped with tensile curtain of gathering dust in the containing box, the horizontal pole below is equipped with two oblique slides that are parallel to each other, oblique slide both ends are fixed respectively on left mounting bracket and right mounting bracket, oblique slide inboard is equipped with first spacing groove, be equipped with first motor on the right mounting bracket, first power wheel, a controller, first motor and first power wheel, the controller is connected, first power wheel links to each other with tensile curtain of gathering dust through first haulage rope. The utility model discloses a whole dust removal process automatic operation, not only dust collection efficiency is high, and the energy consumption is low moreover, and the resistance is little, does not influence the piston wind and flows.

Description

Dust purification device used in piston wind flow of subway station

Technical Field

The utility model relates to a dust purification device for in subway station piston air current.

Background

During subway operation, dust is generated by friction between steel wheels of a train and a rail and high-speed friction between a pantograph and an overhead contact line. Particularly, friction dust generated by deceleration braking is more serious during train station entering and leaving, more than 90% of generated fine dust is metal dust, and the metal dust component is mainly iron dust. Due to the piston effect of the train running in the tunnel, piston wind can be generated when the subway train enters and exits the station. The running of the train can drive the dust to flow, and the fine dust reaches the piston tuyere of the station along with the piston wind current and is discharged to the atmosphere, thereby polluting the atmospheric environment. Meanwhile, reverse piston wind when the train leaves the station can bring part of dust into the station and the tunnel, secondary pollution to the tunnel is caused, and the environment of the station and the tunnel is influenced. In order to solve the dust pollution problem of the subway, the dust removal and purification of the piston air flow are needed.

At present, a plurality of experts and scholars in China provide corresponding solutions for solving the problem of dust pollution, and Wangguo invents a sweeping and dedusting device for a subway tunnel track bed, which is used for sweeping, dedusting and cleaning the track bed in a subway tunnel. The Wangxiao army invented a dust detection device for subway tunnel, and is used for detecting air quality in the tunnel. Zhang Jia invented an air purification outlet in semi-closed environment of subway tunnel, which utilizes the wind force driven by the subway running process to realize the air exhaust in the tunnel, and a dust removal structure is arranged at the outlet.

But for the problem of metal dust in the air current of the subway piston, no method for solving the problem exists at present.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a dust purification device that is arranged in subway station piston wind current that simple structure, dust removal effect are good.

The utility model provides a technical scheme of above-mentioned problem is: a dust purification device used in the piston wind current of a subway station comprises a flat plate type electromagnet, a stretching dust collection curtain, a controller, a first motor and a first power wheel, wherein a plurality of flat plate type electromagnets are vertically arranged on a cross rod, a left mounting frame and a right mounting frame are symmetrically arranged on the left side and the right side of the cross rod, the two ends of the cross rod are respectively fixed on the left mounting frame and the right mounting frame, the left mounting frame and the right mounting frame are positioned at the air outlet of a tunnel piston wind, a containing box is arranged on the left mounting frame, the stretching dust collection curtain is arranged in the containing box, two parallel oblique sliding plates are arranged below the cross rod, the two ends of each oblique sliding plate are respectively fixed on the left mounting frame and the right mounting frame, a first limiting groove for allowing the stretching dust collection curtain to slide is arranged on the inner side of each oblique sliding plate, the first motor, the first motor is connected with the first power wheel and the controller, and the first power wheel is connected with the stretching dust collection curtain through the first traction rope.

The dust purification device for in subway station piston air current, be equipped with second motor and second power wheel on the mounting bracket of the right side, the second motor links to each other with second power wheel, controller, be equipped with in the containing box and sweep the dirt scrubbing brush, the slant slide inboard is equipped with and is used for supplying to sweep the gliding second spacing groove of dirt scrubbing brush, and the second spacing groove is located first spacing groove top, and the second power wheel passes through the second haulage rope and is connected with sweeping the dirt scrubbing brush, and when sweeping the dirt scrubbing brush and slide on the second spacing groove, the tensile curtain that gathers dust is hugged closely to the dirt scrubbing brush lower surface.

Above-mentioned a dust purification device for in subway station piston wind current, the slant slide is the slope form of high right-hand member, and slant slide right-hand member below is equipped with the dust hopper, and the dust hopper is fixed on right mounting bracket.

Above-mentioned a dust purification device for in subway station piston air current, be equipped with in the containing box and be used for the first canceling release mechanical system that resets to tensile curtain that gathers dust and be used for sweeping the second canceling release mechanical system that the dirt scrubbing brush resets.

The beneficial effects of the utility model reside in that: after the subway starts to operate, piston air from a subway tunnel is pressed out through a tunnel piston air port, the flat-plate type electromagnet is electrified by the controller, the magnet exciting coil in the flat-plate type electromagnet is in a power supply state to generate a certain strength of magnetic force, air flow containing iron dust flows through the flat-plate type electromagnet, and the iron dust in the air flow is adsorbed on the surface of the electromagnet under the action of the magnetic force. When the subway is stopped at night, the controller starts the first motor, the first motor drives the first power wheel to start to operate, the stretching dust collection curtain is pulled out of the storage box, the first power wheel stops rotating after the first power wheel moves in the first limiting groove of the oblique sliding plate until the first limiting groove contacts the tail end of the first limiting groove, the power supply mode of the flat electromagnet is changed at the moment, reverse magnetic force is formed, iron dust attached to the surface of the flat electromagnet is enabled to fall off rapidly, the iron dust falls onto the stretching dust collection curtain under the action of gravity and magnetic force, the controller starts the second motor, the second motor drives the second power wheel to pull out the dust collection scrubbing brush, the dust collection scrubbing brush moves in the second limiting groove and cleans the stretching dust collection curtain, and the iron dust on the stretching dust collection curtain is cleaned into the dust collection hopper. After the ash removal is finished, the first power wheel and the second power wheel reversely rotate, and the stretched dust collection curtain and the dust collection scrubbing brush are reset to the initial positions under the action of the first reset mechanism and the second reset mechanism. The whole dust removal process automatically operates, the dust removal efficiency is high, the energy consumption is low, the resistance is small, and the piston air flow is not influenced.

Drawings

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

Fig. 2 is a schematic structural view of the stretched dust collecting curtain in fig. 1.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, a dust purification device for piston airflow of a subway station comprises a flat plate type electromagnet 1, a tensile dust collection curtain 2, a controller 3, a first motor 4 and a first power wheel 5, wherein a plurality of flat plate type electromagnets 1 are vertically arranged on a cross rod 10, a left mounting frame 11 and a right mounting frame 12 are symmetrically arranged on the left side and the right side of the cross rod 10, two ends of the cross rod 10 are respectively fixed on the left mounting frame 11 and the right mounting frame 12, the left mounting frame 11 and the right mounting frame 12 are positioned at an air outlet of a tunnel piston, a storage box 7 is arranged on the left mounting frame 11, the tensile dust collection curtain 2 is arranged in the storage box 7, two oblique sliding plates 8 which are parallel to each other are arranged below the cross rod 10, two ends of the oblique sliding plates 8 are respectively fixed on the left mounting frame 11 and the right mounting frame 12, a first limiting groove for the tensile dust collection curtain 2 to slide is arranged, First power wheel 5, be used for controlling flat electro-magnet 1 and first motor 4 power connection mode's controller 3, first motor 4 is connected with first power wheel 5, controller 3, and first power wheel 5 links to each other with tensile curtain 2 that gathers dust through first haulage rope.

Be equipped with second motor and second power wheel on right side mounting bracket 12, the second motor links to each other with second power wheel, controller 3, be equipped with in the containing box 7 and sweep dirt scrubbing brush 9, 8 inboards of slant slide are equipped with and are used for supplying to sweep the gliding second spacing groove of dirt scrubbing brush 9, and the second spacing groove is located first spacing groove top, and the second power wheel passes through the second haulage rope and is connected with sweeping dirt scrubbing brush 9, and when sweeping dirt scrubbing brush 9 and slideing on the second spacing groove, sweep dirt scrubbing brush 9 lower surface and hug closely tensile curtain 2 that gathers dust.

The oblique sliding plate 8 is in an oblique shape with a higher left and a lower right, a dust collecting hopper 6 is arranged below the right end of the oblique sliding plate 8, and the dust collecting hopper 6 is fixed on the right mounting frame 12.

And a first reset mechanism for resetting the stretching dust collecting curtain 2 and a second reset mechanism for resetting the dust sweeping scrubbing brush 9 are arranged in the storage box 7.

The utility model discloses a working process does: after the subway starts to operate, piston air from a subway tunnel is pressed out through a tunnel piston air port, the controller 3 enables the flat-plate type electromagnet 1 to be electrified, the exciting coil in the flat-plate type electromagnet 1 is in a power supply state to generate magnetic force with certain intensity, air flow containing iron dust flows through the flat-plate type electromagnet 1, and the iron dust in the air flow is adsorbed on the surface of the electromagnet under the action of the magnetic force. When the subway is stopped at night, the controller 3 starts the first motor 4, the first motor 4 drives the first power wheel 5 to start to operate, the stretched dust collection curtain 2 is pulled out from the storage box 7, the stretched dust collection curtain 8 moves in the first limiting groove of the oblique sliding plate 8 until the stretched dust collection curtain contacts the tail end of the first limiting groove, the first power wheel 5 stops rotating, the power supply mode of the flat electromagnet 1 is changed at the moment, reverse magnetic force is formed, iron dust attached to the surface of the flat electromagnet 1 falls off quickly, the iron dust falls onto the stretched dust collection curtain 2 under the action of gravity and magnetic field force, the controller 3 starts the second motor at the moment, the second motor drives the second power wheel to pull out the dust collection brush 9, the dust collection brush 9 moves in the second limiting groove and cleans the stretched dust collection curtain 2, and the iron dust on the stretched dust collection curtain 2 is cleaned into the dust collection hopper 6. After the ash removal is finished, the first power wheel 5 and the second power wheel reversely rotate, and the stretched dust collection curtain 2 and the dust collection scrubbing brush 9 are reset to the initial positions under the action of the first reset mechanism and the second reset mechanism. The whole dust removal process automatically operates, the dust removal efficiency is high, the energy consumption is low, the resistance is small, and the piston air flow is not influenced.

Claims (4)

1. The utility model provides a dust purification device for in subway station piston air current which characterized in that: the device comprises a flat plate type electromagnet, a stretching dust collection curtain, a controller, a first motor and a first power wheel, wherein a plurality of flat plate type electromagnets are vertically arranged on a cross rod, a left mounting frame and a right mounting frame are symmetrically arranged on the left side and the right side of the cross rod, the two ends of the cross rod are respectively fixed on the left mounting frame and the right mounting frame, the left mounting frame and the right mounting frame are located at an air outlet of a tunnel piston air, a storage box is arranged on the left mounting frame, the stretching dust collection curtain is arranged in the storage box, two oblique sliding plates which are parallel to each other are arranged below the cross rod, the two ends of each oblique sliding plate are respectively fixed on the left mounting frame and the right mounting frame, a first limiting groove for enabling the stretching dust collection curtain to slide is arranged on the inner side of each oblique sliding plate, the first motor, the first power, The controller is connected, and first power wheel passes through first haulage rope and links to each other with tensile curtain that gathers dust.

2. The dust purification device for piston wind current in subway station according to claim 1, characterized in that: be equipped with second motor and second power wheel on the right side mounting bracket, the second motor links to each other with second power wheel, controller, be equipped with in the containing box and sweep the dirt scrubbing brush, the slant slide inboard is equipped with and is used for supplying to sweep the gliding second spacing groove of dirt scrubbing brush, and the second spacing groove is located first spacing groove top, and the second power wheel passes through the second haulage rope and is connected with sweeping the dirt scrubbing brush, and when sweeping the dirt scrubbing brush and slideing on the second spacing groove, sweeps the dirt scrubbing brush lower surface and hug closely tensile curtain of gathering dust.

3. The dust purification device for the piston wind flow of the subway station as claimed in claim 2, wherein: the oblique sliding plate is in an oblique shape with a higher left end and a lower right end, a dust collecting hopper is arranged below the right end of the oblique sliding plate, and the dust collecting hopper is fixed on the right mounting frame.

4. The dust purification device for the piston wind flow of the subway station as claimed in claim 2, wherein: the storage box is internally provided with a first reset mechanism for resetting the stretching dust collecting curtain and a second reset mechanism for resetting the dust collecting scrubbing brush.

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