A particulate filtering device

Abstract

This utility model relates to a particulate matter filtration device, belonging to the field of air filtration tunnel technology. The particulate matter filtration device includes: a mounting block with an mounting groove on its inner wall; and a filtration mechanism disposed on the inner wall of the mounting block, capable of effectively filtering particulate matter in tunnel air. When tunnel air enters the mounting groove, a debris-blocking net, in conjunction with Teflon coatings at both ends, intercepts oil and impurities in the tunnel air. The Teflon coating forms a low-friction protective layer on the surface of the debris-blocking net, causing oil to shrink into beads and automatically roll off. A first filter plate, in conjunction with a filter screen and filter element, filters and intercepts particulate matter in the tunnel air. The mounting plate, through a slider and an electric push rod, drives a cleaning brush to reciprocate up and down, cleaning the oil on the surface of the debris-blocking net. This effectively filters and cleans oil and particulate matter in the tunnel air, improving the filtration effect of the device on tunnel air.

Description

Technical Field

[0001] This utility model relates to the field of air filtration tunnel technology, and in particular to a particulate matter filtration device. Background Technology

[0002] Tunnels are engineering structures buried underground, representing a form of human utilization of underground space. Tunnels can be categorized into traffic tunnels, hydraulic tunnels, municipal tunnels, mining tunnels, and military tunnels. As vehicles travel through tunnels, they generate various pollutants, necessitating the use of filtration devices to remove particulate matter.

[0003] As shown in the reference case "An air purification device for tunnel pollution" (publication number CN208186597U), by installing electrostatic precipitators and denitrification devices in the tunnel side passage, PM particles and nitrogen oxides in the tunnel can be effectively removed. This not only ensures a clean air environment in the tunnel but also does not harm the air environment around the tunnel; it effectively improves the air quality in the tunnel and reduces the emission of air pollutants in the tunnel.

[0004] According to the above references, the axial flow fan in the above device introduces polluted air in the tunnel into a bypass. Utilizing the high-voltage electrostatic adsorption function of the electrostatic precipitator (ESP) and the denitrification function of the activated carbon wall of the denitrification device, it effectively removes particulate matter such as PM2.5 and PM10, as well as harmful nitrogen oxides, from the polluted air in the tunnel. However, when filtering particulate matter, the electrostatic precipitator's filtration effect on the tunnel air is not ideal. The tunnel air contains vehicle exhaust oil stains, which easily adhere to the filter, affecting the filtration effect of the device and making it inconvenient to effectively filter particulate matter in the tunnel air, thus reducing the effectiveness of the filtration device. Utility Model Content

[0005] Therefore, it is necessary to provide a particulate matter filtration device to address the problem of the inconvenience of effectively filtering particulate matter in tunnel air.

[0006] The system includes an installation block with an installation groove on its inner wall; a filter mechanism that can effectively filter particulate matter in the tunnel air and is disposed on the inner wall of the installation block; wherein, the filter mechanism includes a debris-blocking net installed at one end of the inner wall of the installation block, both ends of the inner wall of the installation block are coated with Teflon, an installation plate is slidably connected to one end of the inner wall of the installation block, a cleaning brush is fixedly connected to one end of the installation plate, one end of the cleaning brush is in contact with the debris-blocking net, and a collection component is disposed at the bottom end of the inner wall of the installation block.

[0007] In one embodiment, the filtering mechanism further includes sliders fixedly connected to both sides of the mounting plate, the sliders being slidably connected to the inner wall of the mounting block, and two electric push rods being installed at the top of the inner wall of the mounting block, one end of each electric push rod penetrating the mounting block and being fixedly connected to the sliders.

[0008] In one embodiment, a plurality of evenly arranged atomizing nozzles are mounted on one end of the mounting plate, and a water guide pipe is mounted on the inner wall of the mounting plate, with one end of the water guide pipe connected to the atomizing nozzles.

[0009] In one embodiment, one end of the atomizing nozzle is disposed on one side of the cleaning brush.

[0010] In one embodiment, a water tank is installed at the top of the inner wall of the mounting block, and a water pump is connected to one end of the water tank.

[0011] In one embodiment, the other end of the water pipe is connected to a water pump.

[0012] In one embodiment, a first filter plate is installed on the inner wall of the mounting groove, and the first filter plate is disposed at the other end of the debris barrier.

[0013] In one embodiment, a filter screen is installed at one end of the inner wall of the mounting groove, a filter element is installed at one end of the filter screen, and the filter screen is disposed at the other end of the first filter plate.

[0014] In one embodiment, the collection assembly includes a collection trough formed at the bottom of the inner wall of the mounting block, the collection trough being disposed below the debris screen.

[0015] In one embodiment, a second filter plate is installed at the top of the inner wall of the collection tank, and the second filter plate is disposed below the debris screen.

[0016] Beneficial effects

[0017] 1. The above-mentioned particulate matter filtration device, when tunnel air enters the installation groove, the trash net and the Teflon coating at both ends can intercept oil and impurities in the tunnel air. The Teflon coating is a low-friction protective layer on the surface of the trash net, causing the oil to shrink into beads and roll off automatically, which can reduce the adhesion of oil. The first filter plate, in conjunction with the filter screen and filter element, can filter and intercept particulate matter in the tunnel air. The installation plate, through the cooperation of the slider and the electric push rod, can drive the cleaning brush to move up and down to clean the oil residue on the surface of the trash net. The cleaning brush is made of coconut fiber, which can reduce oil residue. The water pump can deliver the dissolving liquid in the water tank to the water pipe, and spray it out through the atomizing nozzle to dissolve the oil. The atomizing nozzle is set in the gap of the cleaning brush, which can improve the cleaning effect of the cleaning brush and the filtration effect of the trash net. The other end of the water pipe can be elastically extended and retracted, which can effectively filter and clean oil and particulate matter in the tunnel air, and improve the filtration effect of the filtration device on the tunnel air.

[0018] 2. When the cleaning brush removes impurities and oil stains from the filter screen, the oil and dissolved liquid fall into the collection tank as the brush moves. The collection tank centrally processes the oil and waste dissolved liquid removed from the filter screen. The second filter plate inside the collection tank separates the liquid from the solid, facilitating oil removal and improving the filtration effect on particulate matter, thus enhancing the overall performance of the filtration device. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the external structure of the present utility model;

[0021] Figure 2 This is a schematic diagram of the filter mechanism structure of this utility model;

[0022] Figure 3 This is a partial structural diagram of the filtration mechanism of this utility model;

[0023] Figure 4 This is a half-sectional structural diagram of the filter mechanism of this utility model;

[0024] Figure 5 This is a schematic diagram of the collection component structure of this utility model.

[0025] Figure label:

[0026] 100. Mounting block; 200. Mounting slot; 300. Filtering mechanism; 310. Trash screen; 320. Teflon coating; 330. Mounting plate; 340. Cleaning brush; 350. Slider; 360. Electric push rod; 370. Atomizing nozzle; 371. Water guide pipe; 372. Water tank; 373. Water pump; 380. First filter plate; 381. Filter screen; 382. Filter element; 390. Collection assembly; 391. Collection slot; 392. Second filter plate. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0028] The following is combined Figure 1 - Figure 5 This invention describes a particulate matter filtration device.

[0029] In one embodiment, a particulate matter filtration device includes a mounting block 100, the inner wall of which has a mounting groove 200; a filtration mechanism 300, which can effectively filter particulate matter in tunnel air, is disposed on the inner wall of the mounting block 100; wherein, the filtration mechanism 300 includes a debris-blocking net 310 installed at one end of the inner wall of the mounting block 100, both ends of the inner wall of the mounting block 100 are provided with a Teflon coating 320, a mounting plate 330 is slidably connected to one end of the inner wall of the mounting block 100, a cleaning brush 340 is fixedly connected to one end of the mounting plate 330, one end of the cleaning brush 340 is in contact with the debris-blocking net 310, and a collection assembly 390 is provided at the bottom end of the inner wall of the mounting block 100.

[0030] It should be noted that the air filtration tunnel consists of two parts: a purification component and a ventilation component.

[0031] Filtration devices typically include a pre-filter, an electrostatic filter, and an activated carbon filter.

[0032] Ventilation components: Air intake sections installed on the tunnel sidewalls or top, forming an angle with the tunnel to ensure airflow.

[0033] Ventilation method: The purified air is discharged into the tunnel through the exhaust section and finally discharged from the outlet.

[0034] Power equipment: Axial flow fans provide the air pressure required for purification.

[0035] Control components: The PLC intelligent control component realizes the automated management of functions such as filtration, cleaning, and water treatment.

[0036] When filtering particulate matter in tunnel air, the filter mechanism 300, in conjunction with the trap net 310 and the Teflon coating 320, can intercept oil stains in the tunnel air and reduce oil adhesion. The mounting plate 330, through the cleaning brush 340 and the atomizing nozzle 370, sprays solvent to clean the oil stains on the trap net 310. The collection component 390, in conjunction with the collection groove 391 and the second filter plate 392, can clean impurities on the trap net 310. The combination of the filter mechanism 300 and the collection component 390 can optimize the filtration effect of tunnel air particulate matter without affecting the normal use of the filter device.

[0037] like Figure 2 and Figure 3 As shown, the filtration mechanism 300 also includes sliders 350 fixedly connected to both sides of the mounting plate 330. The sliders 350 are slidably connected to the inner wall of the mounting block 100. Two electric push rods 360 are installed at the top of the inner wall of the mounting block 100. One end of the electric push rod 360 passes through the mounting block 100 and is fixedly connected to the sliders 350. A first filter plate 380 is installed on the inner wall of the mounting groove 200. The first filter plate 380 is located at the other end of the dirt-blocking net 310. A filter screen 381 is installed at one end of the inner wall of the mounting groove 200. A filter element 382 is installed at one end of the filter screen 381. The filter screen 381 is located at the other end of the first filter plate 380.

[0038] In this embodiment, tunnel air passes sequentially through a debris barrier 310, a first filter plate 380, a filter screen 381, and a filter element 382, ​​effectively filtering particulate matter in the tunnel air. The debris barrier 310, in conjunction with two Teflon coatings 320, can filter and intercept oil stains and larger particles in the tunnel air, preventing oil stains from clogging the filtration device. The Teflon coating 320 can reduce the adhesion of oil stains. The electric push rod 360 drives the cleaning brush 340 on one side of the mounting plate 330 through two sliders 350 to clean the oil stains on the surface of the debris barrier 310, improving the filtration effect of the debris barrier 310. This effectively filters particulate matter in the tunnel air and improves the filtration effect of the filtration device.

[0039] like Figure 4 As shown, a number of evenly arranged atomizing nozzles 370 are installed at one end of the mounting plate 330. A water guide pipe 371 is installed on the inner wall of the mounting plate 330. One end of the water guide pipe 371 is connected to the atomizing nozzles 370. One end of the atomizing nozzles 370 is located on one side of the cleaning brush 340. A water tank 372 is installed at the top of the inner wall of the mounting block 100. One end of the water tank 372 is connected to a water pump 373. The other end of the water guide pipe 371 is connected to the water pump 373.

[0040] In this embodiment, when the cleaning brush 340 cleans the debris barrier 310, the water pump 373 can transport the dissolving liquid in the water tank 372 to the water pipe 371. The water pipe 371 sprays water mist onto the surface of the debris barrier 310 through multiple atomizing nozzles 370 to dissolve the oil stains, thereby improving the cleaning effect of the device. The atomizing nozzles 370 move up and down with the mounting plate 330, which can effectively clean the oil stains on the debris barrier 310 and improve the device's filtration effect on tunnel air.

[0041] like Figure 5 As shown, the collection assembly 390 includes a collection trough 391 formed at the bottom of the inner wall of the mounting block 100. The collection trough 391 is located below the debris screen 310. A second filter plate 392 is installed at the top of the inner wall of the collection trough 391. The second filter plate 392 is located below the debris screen 310.

[0042] In this embodiment, when the cleaning brush 340 removes the oil and waste liquid from the screen 310, the oil and waste liquid fall downwards onto the second filter plate 392 in the collection tank 391. The second filter plate 392 can separate the oil and waste liquid, and the waste liquid and other liquids fall downwards into the collection tank 391, which facilitates the treatment of oil and waste liquid and can improve the effectiveness of the filtration device.

[0043] Working principle: The axial flow fan can deliver tunnel air to the installation slot 200 through an external pipe. The tunnel air passes through the trash can 310 to intercept impurities and oil stains in the tunnel air, and then passes through the first filter plate 380 to filter particulate matter in the tunnel air. The filter screen 381 and the filter element 382 work together to filter particulate matter in the tunnel air. When cleaning the surface of the trash can 310, the control component drives two electric push rods 360 and sliders 350 to move the cleaning brush 340 on one side of the installation plate 330 up and down to clean the oil stains on the trash can 310. The control component drives the water pump 373 to deliver the dissolving liquid in the water tank 372 to the water guide pipe 371. The liquid is sprayed onto the surface of the trash can 310 through the atomizing nozzle 370 to dissolve the oil stains. The oil stains and dissolving liquid cleaned by the cleaning brush 340 fall down onto the second filter plate 392 for solid-liquid separation. The liquid falls down into the collection tank 391.

[0044] It should be noted that the electric actuator 360 and water pump 373 mentioned above are all devices with relatively mature existing technology. The specific model can be selected according to actual needs. At the same time, the electric actuator 360 and water pump 373 can be powered by the built-in power supply or by the mains power. The specific power supply method should be selected according to the situation, which will not be elaborated here.

[0045] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A particulate filtering device, characterized by, include: Mounting block (100), wherein the inner wall of the mounting block (100) is provided with mounting groove (200); The filter mechanism (300), which can effectively filter particulate matter in the tunnel air, is disposed on the inner wall of the mounting block (100); The filtration mechanism (300) includes a screen (310) installed on one end of the inner wall of the mounting block (100). Both ends of the inner wall of the mounting block (100) are provided with a Teflon coating (320). One end of the inner wall of the mounting block (100) is slidably connected to a mounting plate (330). One end of the mounting plate (330) is fixedly connected to a cleaning brush (340). One end of the cleaning brush (340) is in contact with the screen (310). The bottom end of the inner wall of the mounting block (100) is provided with a collection component (390).

2. The particulate filtering device according to claim 1, characterized in that The filter mechanism (300) also includes sliders (350) fixedly connected to both sides of the mounting plate (330). The sliders (350) are slidably connected to the inner wall of the mounting block (100). Two electric push rods (360) are installed at the top of the inner wall of the mounting block (100). One end of the electric push rod (360) passes through the mounting block (100) and is fixedly connected to the sliders (350).

3. The particulate filtering device of claim 1, wherein, A plurality of atomizing nozzles (370) are installed at one end of the mounting plate (330), and a water guide pipe (371) is installed on the inner wall of the mounting plate (330), one end of the water guide pipe (371) being connected to the atomizing nozzles (370).

4. The particulate filtering device according to claim 3, wherein One end of the atomizing nozzle (370) is disposed on one side of the cleaning brush (340).

5. The particulate matter filtration device according to claim 1, characterized in that, A water tank (372) is installed at the top of the inner wall of the mounting block (100), and a water pump (373) is connected to one end of the water tank (372).

6. The particulate matter filtration device according to claim 3, characterized in that, The other end of the water pipe (371) is connected to the water pump (373).

7. The particulate matter filtration device according to claim 1, characterized in that, The inner wall of the mounting groove (200) is fitted with a first filter plate (380), which is located at the other end of the debris-blocking net (310).

8. The particulate matter filtration device according to claim 7, characterized in that, A filter screen (381) is installed at one end of the inner wall of the mounting groove (200), a filter element (382) is installed at one end of the filter screen (381), and the filter screen (381) is located at the other end of the first filter plate (380).

9. The particulate matter filtration device according to claim 1, characterized in that, The collection component (390) includes a collection groove (391) formed at the bottom of the inner wall of the mounting block (100), the collection groove (391) being located below the debris screen (310).

10. The particulate matter filtration device according to claim 9, characterized in that, A second filter plate (392) is installed at the top of the inner wall of the collection tank (391), and the second filter plate (392) is located below the debris screen (310).

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