Waste gas treatment and purification device for preventing and controlling atmospheric pollution

By using a water pump spray system and scraper bar design, the problem of easy contamination of the filter components is solved, achieving efficient filtration and low-maintenance exhaust gas treatment.

CN224100320UActive Publication Date: 2026-04-10SHANGHAI ZHANJIN FILTER MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In existing waste gas treatment devices, filter components are easily adhered to by large and small particulate pollutants, leading to frequent replacements and increased maintenance costs.

Method used

An exhaust gas treatment device was designed, which uses a water pump spray system to spray the treatment liquid into the vertical pipe to contact the exhaust gas. Small particles are intercepted by filter plates, and a motor-driven scraper bar cleans the inner wall of the vertical pipe, reducing accumulation and lowering the maintenance frequency.

Benefits of technology

It effectively absorbs large particulate pollutants in exhaust gas, reduces the frequency of filter plate replacement, lowers equipment maintenance costs, and ensures normal operation of the device.

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Abstract

The utility model relates to the technical field of waste gas treatment, in particular to a waste gas treatment and purification device for preventing and controlling atmospheric pollution, which is characterized in that the upper end of a bottom plate is provided with a water tank, a bottom box and a suction fan, the bottom end of the bottom box is provided with a liquid discharge pipe penetrating through the bottom plate, the upper end of the bottom box is provided with a vertical pipe, and the top end of the vertical pipe is provided with an air inlet; a liquid outlet ring is arranged at the top end of the vertical pipe, a plurality of spray heads located in the vertical pipe are arranged on the inner ring of the liquid outlet ring, the pump sucks treatment liquid in the water tank through a third guide pipe, then conveys the treatment liquid to the adapter pipe through a first guide pipe and finally sprays the treatment liquid into the vertical pipe through the spray heads on the liquid outlet ring, and waste gas makes full contact with the liquid sprayed out of the spray heads; liquid can absorb part of pollutants in waste gas and treat large-particle materials in the gas, the sprayed gas can be precisely filtered through the filter plate in the annular frame, and the filter plate can intercept small particles in the waste gas, so that the filter plate does not need to be frequently replaced during use, and the maintenance cost of equipment can be reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of waste gas treatment, specifically to a waste gas treatment and purification device for air pollution prevention and control. BACKGROUND

[0002] Air pollution control is a huge system engineering, before the pollutants enter the atmosphere, using dust removal and smoke elimination technology, condensation technology, liquid absorption technology, recycling technology and so on to eliminate part of the pollutants in waste gas can reduce the number of pollutants entering the atmosphere.

[0003] In the application patent, the search found that the patent number for CN202122151440.5 of China patent: a waste gas treatment and purification device for air pollution prevention and control, including the bottom of the trolley base is provided with the roller, the trolley base top is fixedly connected with the purification box, the purification box inner chamber top and bottom are fixedly connected with the partition, the partition divides the purification box into the closed filter chamber and reaction chamber;Filter chamber side wall is connected with the air inlet pipe, the air inlet pipe end is connected with the air inlet cover, the filter chamber inner chamber side wall is provided with the filter assembly, the filter chamber inner chamber bottom is fixedly connected with the fan, the filter assembly is located above the fan;The reaction chamber is injected with clean water, the fan air outlet is connected with the air outlet pipe, the air outlet pipe one end penetrates the partition and is connected with the reaction chamber inner chamber side wall, the air outlet pipe outer wall is connected with a plurality of groups of air jet, and the air jet is located in the reaction chamber and is immersed in the reaction liquid, the reaction chamber top is connected with the exhaust pipe and the liquid inlet pipe, the reaction chamber side wall is provided with the liquid outlet pipe.

[0004] But in the device use, waste gas directly through the filter assembly and filter, can cause large particles and small particles to adhere to the filter assembly, make the filter assembly need to be replaced frequently, can increase the equipment maintenance cost. Utility model content

[0005] (I)The technical problems solved

[0006] In view of the prior art, the utility model provides a waste gas treatment and purification device for air pollution prevention and control.

[0007] (II)Technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: A waste gas treatment and purification device for atmospheric pollution prevention and control, including the bottom plate, the bottom plate lower extreme is equipped with a plurality of bottom wheels, the bottom plate upper end is equipped with water tank, bottom box and exhaust fan, the bottom box bottom is equipped with the drain pipe that penetrates the bottom plate, be equipped with the valve on the drain pipe, the bottom box upper end is equipped with the stand pipe, the stand pipe top is equipped with the air inlet, the stand pipe top is equipped with the liquid outlet ring, the inner ring of liquid outlet ring is equipped with a plurality of inside the stand pipe spray head, the one side of liquid outlet ring is equipped with the adapter pipe, the water tank upper end is equipped with the water pump, the water pump liquid inlet end is equipped with the third guide pipe that inserts into the water tank inside, the water pump liquid outlet end is equipped with the first guide pipe that communicates with the adapter pipe,

[0009] The suction end of the exhaust fan is provided with a bottom shell, the top of the bottom shell is provided with a top shell, an annular frame is arranged between the top shell and the bottom shell, a filter plate is arranged in the annular frame, the top shell and the stand pipe are communicated through a second guide pipe, and the second guide pipe and the stand pipe are connected at the lower side of the liquid outlet ring.

[0010] In order to make the filter plate convenient to clean, the utility model improves that the both sides of the top shell and the bottom shell are symmetrically provided with a plurality of positioning plates, the both ends of the annular frame are symmetrically provided with two side blocks, the positioning plates are provided with bolts penetrating the side blocks, and one side of the annular frame is provided with a positioning shaft rotatably connected with the top end of the exhaust fan.

[0011] In order to make the stand pipe convenient to clean, the utility model improves that the upper end of the bottom plate is provided with a motor located at one side of the bottom box, a housing is fixedly arranged in the bottom box through a support rod, the output end of the motor is provided with a transmission shaft penetrating the bottom box, one end of the transmission shaft is provided with a driving bevel gear located in the housing, a rotating shaft is rotatably arranged on the housing and inserted into the stand pipe, the both sides of the rotating shaft are provided with scraper rods contacting the inner wall of the stand pipe, and the bottom end of the rotating shaft is provided with a driven bevel gear meshing with the driving bevel gear.

[0012] Further, the utility model improves that the plurality of bottom wheels are universal wheels, the second guide pipe, the top shell, the bottom shell, the stand pipe, the bottom box and the air inlet are all made of metal material, and the motor is a servo motor.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a waste gas treatment and purification device for atmospheric pollution prevention and control, which has the following beneficial effects:

[0015] The water pump sucks the treatment liquid in the water tank through the third conduit, and then the treatment liquid is transported to the adapter pipe through the first conduit, and finally the treatment liquid is sprayed into the vertical pipe through the spray head on the liquid outlet ring. The exhaust gas and the liquid sprayed by the spray head are in full contact, and the liquid can absorb part of the pollutants in the exhaust gas and large particle materials in the treatment gas. The gas after spraying is filtered by the filter plate in the ring-shaped frame, and the filter plate can intercept small particles in the exhaust gas, so that the filter plate does not need to be replaced frequently during use, and the maintenance cost of the equipment can be reduced.

[0016] The motor drives the transmission shaft to rotate, the driving bevel gear on the transmission shaft drives the driven bevel gear to rotate, so that the rotating shaft rotates, and the scraping rods on both sides of the rotating shaft rotate to scrape off the impurities adhered to the inner wall of the vertical pipe, prevent the impurities from accumulating on the inner wall of the vertical pipe, and facilitate cleaning of the vertical pipe, thereby ensuring normal operation of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a front view of the utility model; Figure 1

[0019] Figure 3 It is an internal structure schematic view of the vertical pipe and the bottom box in the utility model;

[0020] Figure 4 It is an installation structure schematic view of the filter plate in the utility model;

[0021] In the drawing: 1, bottom plate; 2, bottom wheel; 3, water tank; 4, water pump; 5, first conduit; 6, liquid outlet ring; 7, adapter pipe; 8, spray head; 9, vertical pipe; 10, bottom box; 11, air inlet; 12, liquid discharge pipe; 13, valve; 14, motor; 15, transmission shaft; 16, shell; 17, rotating shaft; 18, driving bevel gear; 19, driven bevel gear; 20, scraping rod; 21, second conduit; 22, air suction fan; 23, top shell; 24, ring-shaped frame; 25, positioning shaft; 26, bottom shell; 27, filter plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 ​The utility model discloses a waste gas treatment purification device for atmospheric pollution prevention and control, including bottom plate 1, the lower extreme of bottom plate 1 is equipped with a plurality of bottom wheel 2, the upper end of bottom plate 1 is equipped with water tank 3, bottom box 10 and exhaust fan 22, the bottom of bottom box 10 is equipped with the liquid discharge pipe 12 of the through bottom plate 1, be equipped with valve 13 on the liquid discharge pipe 12, the upper end of bottom box 10 is equipped with stand pipe 9, the top of stand pipe 9 is equipped with air inlet 11, the top of stand pipe 9 is equipped with liquid outlet ring 6, the inner ring of liquid outlet ring 6 is equipped with a plurality of inside stand pipe 9's spray head 8, one side of liquid outlet ring 6 is equipped with adapter pipe 7, the upper end of water tank 3 is equipped with water pump 4, the liquid inlet end of water pump 4 is equipped with the third conduit of inserting to the inside of water tank 3, the liquid outlet end of water pump 4 is equipped with the first conduit 5 of intercommunication with adapter pipe 7,

[0024] The suction end of the exhaust fan 22 is provided with a bottom shell 26, the top of the bottom shell 26 is provided with a top shell 23, an annular frame 24 is provided between the top shell 23 and the bottom shell 26, a filter plate 27 is provided inside the annular frame 24, the top shell 23 and the stand pipe 9 are communicated through a second conduit 21, and the second conduit 21 and the docking end of the stand pipe 9 are below the liquid outlet ring 6.

[0025] In the embodiment, a plurality of positioning plates are symmetrically arranged on the two sides of the top shell 23 and the bottom shell 26, two side blocks are symmetrically arranged on the two ends of the annular frame 24, bolts penetrating through the side blocks are arranged on the positioning plates, and a positioning shaft 25 rotatably connected to the top end of the exhaust fan 22 is arranged on one side of the annular frame 24, so that the filter plate 27 is convenient to clean.

[0026] In the embodiment, a motor 14 is arranged on one side of the bottom box 10 at the upper end of the bottom plate 1, a housing 16 is fixedly arranged in the bottom box 10 through a support rod, a transmission shaft 15 penetrating through the bottom box 10 is arranged at the output end of the motor 14, a driving bevel gear 18 is arranged in the housing 16 at one end of the transmission shaft 15, a rotating shaft 17 inserted into the stand pipe 9 is rotatably arranged on the housing 16, scraper rods 20 contacting the inner wall of the stand pipe 9 are arranged on the two sides of the rotating shaft 17, a driven bevel gear 19 meshing with the driving bevel gear 18 is arranged at the bottom end of the rotating shaft 17, so that the stand pipe 9 is convenient to clean.

[0027] In the embodiment, the plurality of bottom wheels 2 are universal wheels, the second conduit 21, the top shell 23, the bottom shell 26, the stand pipe 9, the bottom box 10, and the air inlet 11 are all made of metal material, the second conduit 21, the top shell 23, the bottom shell 26, the stand pipe 9, the bottom box 10, and the air inlet 11 can all be made of aluminum alloy material, and the motor 14 is a servo motor.

[0028] Equipment assembly:

[0029] The plurality of universal wheels is installed at the lower end of the bottom plate 1, ensuring that the universal wheels are firmly installed and can rotate flexibly, facilitating the movement of the device.

[0030] The water tank 3, the bottom box 10 and the air suction fan 22 are sequentially installed at the upper end of the bottom plate 1, the water tank 3 is used to store the liquid required for treating waste gas, the bottom box 10 serves as a part of the device to provide support for subsequent components, and the air suction fan 22 is used to suck in waste gas.

[0031] The liquid discharge pipe 12 is installed at the bottom end of the bottom box 10, the liquid discharge pipe 12 penetrates through the bottom plate 1, and the valve 13 is installed on the liquid discharge pipe 12 to facilitate the control of liquid discharge, and the valve 13 can be an electromagnetic valve.

[0032] The vertical pipe 9 is installed at the upper end of the bottom box 10, the top end of the vertical pipe 9 is provided with the air inlet 11 and the liquid outlet ring 6, a plurality of spray heads 8 are installed in the inner circle of the liquid outlet ring 6 to ensure that the spray heads 8 are located inside the vertical pipe 9, and the adapter pipe 7 is installed on one side of the liquid outlet ring 6, and the spray heads 8 can be atomizing spray heads 8.

[0033] The water pump 4 is installed at the upper end of the water tank 3, the liquid inlet end of the water pump 4 is inserted into the water tank 3 through the third conduit, and the liquid outlet end is communicated with the adapter pipe 7 through the first conduit 5, so as to ensure that the liquid can be transported from the water tank 3 to the liquid outlet ring 6.

[0034] The bottom shell 26 is installed at the air suction end of the air suction fan 22, the top shell 23 is installed above the bottom shell 26, the annular frame 24 is installed between the top shell 23 and the bottom shell 26, the filter plate 27 is installed in the annular frame 24, the top shell 23 is communicated with the vertical pipe 9 through the second conduit 21, and the butt joint end of the second conduit 21 and the vertical pipe 9 is below the liquid outlet ring 6.

[0035] A plurality of positioning plates are symmetrically installed on both sides of the top shell 23 and the bottom shell 26, two side blocks are symmetrically installed at both ends of the annular frame 24, the annular frame 24 is fixed by penetrating the positioning plates and the side blocks with bolts, and one side of the annular frame 24 is rotatably connected with the positioning shaft 25 at the top end of the air suction fan 22, so as to facilitate the cleaning of the filter plate 27.

[0036] At the upper end of the bottom plate 1, a servo motor is installed on one side of the bottom box 10, a housing 16 is fixedly arranged in the bottom box 10 through a support rod, the output end of the motor 14 is installed penetrating through the transmission shaft 15 of the bottom box 10, one end of the transmission shaft 15 is installed with a driving bevel gear 18 inside the housing 16, a rotating shaft 17 is rotatably arranged in the vertical pipe 9 on the housing 16, scraper rods 20 are installed on both sides of the rotating shaft 17 to contact the inner wall of the vertical pipe 9, and a driven bevel gear 19 is installed at the bottom end of the rotating shaft 17 to engage with the driving bevel gear 18.

[0037] Check whether the connection of each component is firm, whether the pipeline connection is sealed, and whether the liquid or gas leaks.

[0038] Inject the appropriate amount of treatment liquid into the water tank 3.

[0039] Turn on the power, start the air suction fan 22 and the water pump 4, check the operation of the equipment, observe whether the nozzle 8 is normal water spray, whether the air suction fan 22 is normal suction.

[0040] Waste gas treatment stage:

[0041] Start the air suction fan 22, the waste gas inlet 11 is sucked into the vertical pipe 9, then enters the top shell 23 through the second conduit 21, and finally enters the air suction fan 22 through the bottom shell 26, and then the treated gas is discharged to the designated position through the air suction fan 22. In this process, start the water pump 4, the water pump 4 sucks the treatment liquid in the water tank 3 through the third conduit, and then delivers it to the adapter pipe 7 through the first conduit 5, and finally sprays it into the vertical pipe 9 through the nozzle 8 on the liquid outlet ring 6. The liquid can absorb part of the pollutants in the waste gas and large particle materials in the treated gas. The sewage produced after spraying can be accumulated in the bottom box 10, which can be opened intermittently through the valve 13. The sewage accumulated in the bottom box 10 can be intermittently discharged through the liquid discharge pipe 12. The sprayed gas will be filtered by the filter plate 27 in the ring frame 24. The filter plate 27 can intercept small particles in the waste gas, so that the filter plate 27 does not need to be replaced frequently during use, which can reduce the maintenance cost of the equipment.

[0042] Start the servo motor, the motor 14 drives the transmission shaft 15 to rotate, the driving bevel gear 18 on the transmission shaft 15 drives the driven bevel gear 19 to rotate, so that the rotating shaft 17 rotates, and the scraping rod 20 on both sides of the rotating shaft 17 rotates to scrape off the impurities attached to the inner wall of the vertical pipe 9, preventing the impurities from accumulating on the inner wall of the vertical pipe 9, making the vertical pipe 9 easy to clean, and thus ensuring the normal operation of the device.

[0043] Loosen the bolts on the positioning plate periodically, rotate the ring frame 24 through the positioning shaft 25, and take out the filter plate 27 for cleaning or replacement to ensure the filtering effect of the filter plate 27.

[0044] Bottom plate 1: usually rectangular flat, with certain thickness and strength, used to support various parts of the whole device.

[0045] Bottom wheel 2 (universal wheel): generally circular, with steering structure, connected to the bottom plate 1 through the support, convenient for moving and steering the device.

[0046] Water tank 3: can be rectangular or cylindrical, with certain volume, used to store the liquid needed for treating waste gas, with opening at the top for easy addition of liquid.

[0047] Bottom box 10: conical shape, with liquid discharge pipe 12 interface at the bottom, used to collect and discharge the liquid produced during the treatment of waste gas.

[0048] Vertical pipe 9: a cylindrical pipe, the upper and lower ends are connected with the bottom box 10 and the air inlet 11 respectively, the internal space is used for the treatment and flow of exhaust gas.

[0049] Liquid outlet ring 6: annular, around the top end of the vertical pipe 9, the inner circle is uniformly distributed with multiple spray head 8 mounting holes, used for mounting the spray head 8, one side has a connector pipe 7 interface, connected with the first conduit 5.

[0050] Spray head 8: used for spraying liquid in the form of atomization.

[0051] Suction fan 22: generally cuboid or cylindrical shape, the upper end has a suction port connected with the bottom shell 26, the lower end has an air outlet, the inside has a fan impeller, used for generating suction to suck exhaust gas.

[0052] In the description in this document, it should be noted that the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0053] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application.

Claims

1. A waste gas treatment and purification device for atmospheric pollution prevention, comprising a base plate (1), the lower end of the base plate (1) is provided with a plurality of bottom wheels (2), characterized in that: The upper end of the bottom plate (1) is provided with a water tank (3), a bottom tank (10) and an air suction fan (22), the bottom end of the bottom tank (10) is provided with a liquid discharge pipe (12) penetrating through the bottom plate (1), the liquid discharge pipe (12) is provided with a valve (13), the upper end of the bottom tank (10) is provided with a vertical pipe (9), the top end of the vertical pipe (9) is provided with an air inlet (11), the top end of the vertical pipe (9) is provided with a liquid outlet ring (6), the inner ring of the liquid outlet ring (6) is provided with a plurality of spray heads (8) located in the vertical pipe (9), one side of the liquid outlet ring (6) is provided with an adapter pipe (7), the upper end of the water tank (3) is provided with a water pump (4), the liquid inlet end of the water pump (4) is provided with a third conduit inserted into the water tank (3), the liquid outlet end of the water pump (4) is provided with a first conduit (5) in communication with the adapter pipe (7); The air suction end of the air suction fan (22) is provided with a bottom shell (26), the top of the bottom shell (26) is provided with a top shell (23), the annular frame (24) is arranged between the top shell (23) and the bottom shell (26), the inner part of the annular frame (24) is provided with a filter plate (27), the top shell (23) and the vertical pipe (9) are in communication through the second conduit (21), and the butt joint end of the second conduit (21) and the vertical pipe (9) is below the liquid outlet ring (6).

2. The waste gas treatment and purification device for preventing and treating air pollution according to claim 1, characterized in that: A plurality of the bottom wheels (2) are universal wheels.

3. The waste gas treatment and purification device for preventing and treating air pollution according to claim 2, characterized in that: The second conduit (21), the top shell (23), the bottom shell (26), the vertical pipe (9), the bottom tank (10) and the air inlet (11) are all made of metal material.

4. The exhaust treatment device of claim 3, wherein: A plurality of positioning plates are symmetrically arranged on the two sides of the top shell (23) and the bottom shell (26), two side blocks are symmetrically arranged at the two ends of the annular frame (24), bolts penetrating through the side blocks are arranged on the positioning plates, and one side of the annular frame (24) is provided with a positioning shaft (25) rotatably connected with the top end of the air suction fan (22).

5. The waste gas treatment and purification device for preventing and treating air pollution according to claim 4, characterized in that: The upper end of the bottom plate (1) is provided with a motor (14) located on one side of the bottom tank (10), a shell (16) is fixedly arranged in the bottom tank (10) through a support rod, the output end of the motor (14) is provided with a transmission shaft (15) penetrating through the bottom tank (10), one end of the transmission shaft (15) is provided with a driving bevel gear (18) located in the shell (16), a rotating shaft (17) is rotatably arranged on the shell (16) and inserted into the vertical pipe (9), the two sides of the rotating shaft (17) are provided with scraper rods (20) in contact with the inner wall of the vertical pipe (9), and the bottom end of the rotating shaft (17) is provided with a driven bevel gear (19) engaged with the driving bevel gear (18).

6. The exhaust treatment device of claim 5, wherein: The motor (14) is a servo motor.

Citation Information

Patent Citations

  • Waste gas treatment and purification device for atmospheric pollution control engineering

    CN215962803U