Particulate matter filtering device for waste gas

By combining a multi-stage filtration method with a filter screen, an electrostatic generator and activated carbon, the problem of low filtration efficiency of existing devices is solved, efficient filtration of exhaust gas particulate matter is achieved, and the filtration quality is ensured to meet the standards.

CN223454381UActive Publication Date: 2025-10-21GUANGDONG RUNDE ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202422414213.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-08
Publication Date
2025-10-21
Estimated Expiration
2034-10-08

AI Technical Summary

Technical Problem

The existing exhaust gas particulate matter filtering device has a single function, low filtering efficiency and poor filtering effect, resulting in substandard filtering quality.

Method used

The method combines multiple filtration techniques, including filter screens, electrostatic generators, and activated carbon filtration. Exhaust gas is drawn in by a fan, and particulate matter is adsorbed using an electrostatic field. Activated carbon then further filters the gas, achieving multi-stage filtration.

Benefits of technology

The particle filtration efficiency and filtration effect are improved, the filtration quality is ensured to meet the standards, and the practicality and stability of the device are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of waste gas treatment, and particularly relates to a waste gas particulate matter filtering device which comprises a filtering box, a gas inlet pipe is fixedly installed on the surface of the filtering box, one end of the gas inlet pipe is fixedly connected with a filtering pipe, and a supporting column is fixedly installed in the gas inlet pipe. A rotating shaft at the output end of a driving motor drives a fan to rotate, waste gas is sucked into a filtering pipe, particulate matter falls into a dust collecting box through a filtering net, first-step filtering is completed, electrostatic generators are started, an electrostatic field can appear between the two electrostatic generators, and the particulate matter moves towards polar plates with opposite charges under the action of electric field force; the particles slowly pass through activated carbon under the influence of a baffle and a choke plate until the particles are fully filtered by the activated carbon, and third-step filtration is completed, so that the particle filtering efficiency and the filtering effect are improved by utilizing a method of combining the three modes.
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Description

Technical Field

[0001] The utility model belongs to the technical field of waste gas treatment, and in particular relates to a device for filtering particulate matter in waste gas. Background Art

[0002] Waste gas refers to toxic and harmful gases emitted by humans during production and daily life. Exhaust gas emitted by chemical plants, steel mills, pharmaceutical plants, coking plants, and oil refineries, in particular, produces strong odors, seriously polluting the environment and affecting human health. Industrial waste gas emitted by various manufacturing enterprises is a significant source of air pollutants. If large amounts of industrial waste gas are released into the atmosphere without being treated and meeting standards, it will inevitably degrade atmospheric quality, pose serious risks to human health, and cause significant losses to the national economy.

[0003] Existing exhaust gas particulate matter filtration devices often have relatively simple functions, filtering exhaust gas particulate matter through only one filtering method. This leads to incomplete filtering operation, low filtering efficiency and poor filtering effect, resulting in substandard filtering quality. The problem addressed by this device is how to improve the filtering efficiency and filtering effect of particulate matter filtration devices by combining multiple filtering methods, thereby better filtering exhaust gas particulate matter and ensuring that the exhaust gas particulate matter filtration quality meets the standards. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the present invention provides a particulate matter filtering device for exhaust gas, which solves the problem of how to improve the filtration efficiency and increase the filtration effect of the particulate matter filtering device by combining multiple filtration methods, thereby better filtering the particulate matter in the exhaust gas and ensuring that the quality of the exhaust gas particulate matter filtration meets the standards.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A kind of particulate matter filter device of waste gas, including filter box, the surface of the filter box is fixedly installed with air inlet pipe, one end of the air inlet pipe is fixedly connected with filter tube, the inside of the air inlet pipe is fixedly installed with support column, the surface of the support column is fixedly installed with driving motor, the output of the driving motor is fixedly installed with rotating shaft, the surface of the rotating shaft is fixedly installed with fan, the inside of the filter tube is fixedly installed with filter screen, the inside of the filter tube is equipped with first dust outlet and second dust outlet, and first dust outlet is located the left side of filter screen, and second dust outlet is located the right side of filter screen, the inside of the filter tube is fixedly installed with electrostatic generator, and electrostatic generator is provided with two, and electrostatic generator is symmetrically arranged in the left and right sides inside filter tube, the inside of the filter box is slidably installed with dust collecting plate, the surface of the dust collecting plate is fixedly installed with second handle, the inside of the filter box is fixedly installed with baffle, the inside of the filter box is slidably installed with steel wire mesh box, the inside of the steel wire mesh box is filled with activated carbon, the surface of the steel wire mesh box is fixedly installed with third handle, the right side of the top of the filter box is fixedly installed with air outlet pipe.

[0006] Preferably, the surface of the air inlet pipe is fixedly installed with a connecting disc, a plurality of connecting ports are formed on the surface of the connecting disc, and the connecting ports are arranged in a circular manner on the surface of the connecting disc.

[0007] Preferably, the inside of the filter box is slidably installed with a dust collecting box, and a first handle is fixedly installed on the surface of the dust collecting box.

[0008] Preferably, a plurality of wind resistance plates are fixedly installed inside the filter box, the wind resistance plates are arranged in a linear manner inside the filter box, the wind resistance plates are arranged on the left side of the baffle, and the wind resistance plates are in an inclined shape.

[0009] Preferably, a support rod is fixedly installed on the surface of the air outlet pipe, and a pipe cover is fixedly installed on the surface of the support rod.

[0010] Preferably, support legs are fixedly installed around the bottom of the filter box, and fixing pads are fixedly installed on the bottom of the support legs.

[0011] Preferably, a switch is fixedly installed on the surface of the filter box, and the switch is electrically connected with the driving motor.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The rotation of the fan is driven by the rotating shaft of the driving motor, the exhaust gas is sucked into the filter pipe, the particulate matter falls into the dust collection box through the filter screen, the first step of filtration is completed, the electrostatic generator is started, the electrostatic field appears between the two electrostatic generators, the particulate matter moves to the plate with opposite charge under the action of the electric field force, and is adsorbed by the dust collection plate, the second step of filtration is completed, the particulate matter slowly passes through the activated carbon under the influence of the baffle and the air resistance plate, and is fully filtered by the activated carbon, the third step of filtration is completed, and the filtration efficiency of the particulate matter is improved by the combination of the three methods. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0015] Figure 1 It is a first three-dimensional structure diagram of the present application;

[0016] Figure 2 It is a second three-dimensional structure diagram of the present application;

[0017] Figure 3 It is a first internal cross-sectional view of the filter box of the present application;

[0018] Figure 4 It is a second internal cross-sectional view of the filter box of the present application;

[0019] In the drawings: 1, filter box; 2, air inlet pipe; 3, filter pipe; 4, support column; 5, driving motor; 6, fan; 7, connecting disc; 8, connecting port; 9, filter screen; 10, first dust outlet; 11, dust collection box; 12, electrostatic generator; 13, second dust outlet; 14, dust collection plate; 15, baffle; 16, air resistance plate; 17, steel wire mesh box; 18, activated carbon; 19, air outlet pipe; 20, first handle; 21, second handle; 22, third handle; 23, support rod; 24, pipe cover; 25, support leg; 26, fixing pad; 27, switch. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4The utility model provides following technical scheme: a kind of particulate matter filter device of waste gas, the surface of filter box 1 is fixedly installed with air inlet pipe 2, one end of air inlet pipe 2 is fixedly connected with filter tube 3, the inside of air inlet pipe 2 is fixedly installed with support column 4, the surface of support column 4 is fixedly installed with drive motor 5, the output of drive motor 5 is fixedly installed with rotating shaft, the surface of rotating shaft is fixedly installed with fan 6, the inside of filter tube 3 is fixedly installed with filter screen 9, the inside of filter tube 3 is equipped with first dust outlet 10 and second dust outlet 13, and first dust outlet 10 is located at the left side of filter screen 9, and second dust outlet 13 is located at the right side of filter screen 9, the inside of filter tube 3 is fixedly installed with electrostatic generator 12, and electrostatic generator 12 is provided with two, and electrostatic generator 12 is symmetrically arranged in the left and right sides inside filter tube 3, the inside of filter box 1 is slidably installed with dust collecting plate 14, the surface of dust collecting plate 14 is fixedly installed with second handle 21, the inside of filter box 1 is fixedly installed with baffle 15, the inside of filter box 1 is slidably installed with steel wire net box 17, the inside of steel wire net box 17 is filled with activated carbon 18, the surface of steel wire net box 17 is fixedly installed with third handle 22, the right side of filter box 1 top is fixedly installed with air outlet pipe 19.

[0022] Start the drive motor 5 through the output end of the rotating shaft to drive the rotation of the fan 6, the exhaust gas from the air inlet pipe 2 into the filter pipe 3, through the filter screen 9 can block the larger diameter particles, from the first dust outlet 10 into the dust collection box 11 below, complete the first step of filtration, through the first step of the larger diameter particles of the filter to facilitate the operation of the subsequent filtering work, make operation more efficient, start the electrostatic generator 12, two electrostatic generator 12 between the discharge, so that the two electrostatic generator 12 between the formation of electrostatic field, the gas molecules ionized by electrostatic field, produce a large number of electrons and ions, under the action of electric field force to two pole, in the process of moving into the airflow particles make it charged, charged particles in the electric field force to the plate of its own charge opposite movement, until the dust collection plate 14 adsorption, complete the second step of filtration, through the second step of manufacturing electrostatic field way to adsorb the particulate matter, both improve the filtration effect of particulate matter, and dry the exhaust gas, so that the particulate matter in the third step of filtration can be better filtered, exhaust gas through the collision baffle 15 become slow, so that it can better contact with the activated carbon 18 filled in the steel wire mesh box 17 inside, so that the particulate matter is fully filtered, complete the third step of filtration, through the combination of three kinds of methods to improve the degree of integration of the device, improve the particulate matter filtration efficiency and improve the filtration effect, so that the particulate matter filtration quality standard, for the setting of the connecting disc 7 is convenient for the exhaust pipe and the air inlet pipe 2 of the butt joint, and a plurality of connecting port 8 in the surface of the connecting disc 7 is arranged in a circular, then it is convenient to connect with the exhaust pipe through the screw connection mode, increase the practicability of the device, for the setting of the dust collection box 11, it is convenient to collect the particles falling from the first dust outlet 10 below, facilitate the subsequent cleaning work, and the first handle 20 is convenient for the user to better push and pull the dust collection box 11, for the setting of the baffle 16, there are a plurality of baffle 16 and linear arrangement in the inside of the filter box 1, and the baffle 16 is arranged on the left side of the baffle 15, and the baffle 16 is inclined, then it is convenient to block the exhaust gas by cooperating with the baffle 15 to make the exhaust gas flow slowly, so that it can better contact with the activated carbon 18 installed in the steel wire mesh box 17, so that the particulate matter is fully filtered, for the setting of the support rod 23 and the pipe cover 24, it is convenient to cover the air outlet pipe 19, prevent impurities from falling into the filter box 1 from the air outlet pipe 19 above, increase the practicability of the device, for the setting of the four supporting legs 25, it is convenient to stabilize the filter box 1 and the device above it, and for the setting of the four fixed pads 26, it increases the friction with the ground, so that the device is placed more stably, for the setting of the switch 27, and the switch 27 is electrically connected with the drive motor 5, then it is convenient to switch the drive motor 5 during the use of the device according to the use condition, to control the stop and rotation of the fan 6, so that the device is more convenient and efficient. All electrical equipment in the device is powered by the built-in battery.

[0023] In one aspect of the embodiment, the arrangement of the connecting disc 7 facilitates the abutment of the exhaust pipe with the air inlet pipe 2, the plurality of connecting ports 8 are arranged in a circle on the surface of the connecting disc 7, facilitating the abutment with the exhaust pipe through screw connection, increasing the practicability of the device, the arrangement of the dust collecting box 11 facilitates the collection of the particulate matter falling from the first dust outlet 10 to the lower part, facilitating the cleaning of the subsequent work, and the first handle 20 facilitates the better pushing and pulling of the dust collecting box 11 by the user.

[0024] In one aspect of the embodiment, the arrangement of the plurality of wind blocking plates 16 in a linear arrangement inside the filter box 1 and on the left side of the baffle 15 facilitates the slow flow of the exhaust gas by cooperating with the baffle 15 to block the exhaust gas, so that the activated carbon 18 movably arranged inside the wire mesh box 17 can be better contacted, so that the particulate matter can be fully filtered, the arrangement of the support rod 23 and the pipe cover 24 facilitates the covering of the air outlet pipe 19, preventing impurities from falling from above the air outlet pipe 19 into the filter box 1, and increasing the practicability of the device.

[0025] In one aspect of the embodiment, the arrangement of the four support legs 25 facilitates the stable arrangement of the filter box 1 and the device above it, the arrangement of the four fixing pads 26 increases the friction with the ground, making the device more stable, the arrangement of the switch 27 and the electrical connection of the switch 27 with the driving motor 5 facilitates the switching of the driving motor 5 during the use of the device according to the use condition, so as to control the stop and rotation of the fan 6, making the device more convenient and efficient to use.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement of some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A particulate filter device for exhaust gases, comprising a filter box (1), characterized in that: The surface of the filter box (1) is fixedly installed with an air inlet pipe (2), one end of the air inlet pipe (2) is fixedly connected with a filter pipe (3), the inside of the air inlet pipe (2) is fixedly installed with a supporting column (4), the surface of the supporting column (4) is fixedly installed with a driving motor (5), the output end of the driving motor (5) is fixedly installed with a rotating shaft, the surface of the rotating shaft is fixedly installed with a fan (6), the inside of the filter pipe (3) is fixedly installed with a filter screen (9), the inside of the filter pipe (3) is provided with a first dust outlet (10) and a second dust outlet (13), the first dust outlet (10) is located on the left side of the filter screen (9), and the second dust outlet (13) is located on the right side of the filter screen (9), the inside of the filter pipe (3) is fixedly installed with an electrostatic generator (12), the electrostatic generator (12) is provided with two, and the electrostatic generator (12) is symmetrically arranged on the left and right sides of the inside of the filter pipe (3), the inside of the filter box (1) is slidably installed with a dust collecting plate (14), the surface of the dust collecting plate (14) is fixedly installed with a second handle (21), the inside of the filter box (1) is fixedly installed with a baffle (15), the inside of the filter box (1) is slidably installed with a steel mesh box (17), the inside of the steel mesh box (17) is filled with activated carbon (18), the surface of the steel mesh box (17) is fixedly installed with a third handle (22), and the top right side of the filter box (1) is fixedly installed with an air outlet pipe (19).

2. A particulate filter device according to claim 1, wherein: The surface of the air inlet pipe (2) is fixedly installed with a connecting disc (7), the surface of the connecting disc (7) is provided with a connecting hole (8), and the connecting hole (8) is arranged in a circular arrangement on the surface of the connecting disc (7).

3. The particulate filter device of claim 1, wherein: The inside of the filter box (1) is slidably installed with a dust collecting box (11), and the surface of the dust collecting box (11) is fixedly installed with a first handle (20).

4. The particulate filter device of claim 1, wherein: The inside of the filter box (1) is fixedly installed with a wind resistance plate (16), the wind resistance plate (16) is arranged in a linear arrangement in the inside of the filter box (1), the wind resistance plate (16) is arranged on the left side of the baffle (15), and the wind resistance plate (16) is in an inclined shape.

5. The particulate filter device of claim 1, wherein: The surface of the air outlet pipe (19) is fixedly installed with a supporting rod (23), and the surface of the supporting rod (23) is fixedly installed with a pipe cover (24).

6. The particulate filter device of claim 1, wherein: The bottom of the filter box (1) is fixedly installed with supporting legs (25) around, and the bottom of the supporting leg (25) is fixedly installed with a fixed pad (26).

7. The particulate filter device of claim 1, wherein: The surface of the filter box (1) is fixedly installed with a switch (27), and the switch (27) is electrically connected with the driving motor (5).