Waste gas purifying and filtering device for environmental protection

Abstract

According to the technical scheme, the environment-friendly waste gas purifying and filtering device is characterized by comprising a treatment box, a plurality of sets of supporting legs are welded to the bottom of the treatment box, a waste gas inlet is formed in one side of the treatment box in a communicating mode, and a gas guide pipe is arranged at the other end of the waste gas inlet in a communicating mode; a supporting plate is welded to the outer surface of the treatment box, a water suction pump is fixedly installed on the upper surface of the supporting plate, the input end of the water suction pump communicates with a water inlet pipe, and the output end of the water suction pump communicates with a water outlet pipe; the other end of the water outlet pipe is communicated with a splitter plate, and the lower surface of the splitter plate is communicated with an atomizing nozzle. By arranging the gas guide pipe and the plurality of gas outlets, waste gas can be discharged from the plurality of gas outlets, so that the waste gas is prevented from being intensively discharged, the contact sufficiency of spraying liquid and the waste gas is improved, and the effect of removing dust in the waste gas is favorably improved.

Description

Technical Field

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

[0002] Waste gas purification mainly refers to industrial waste gas generated in industrial sites. Most of these industrial waste gases contain large particles of dust, fine particles of impurities, toluene, formaldehyde, sulfides and other harmful components. If they are directly discharged into the atmosphere, they will inevitably seriously pollute the atmosphere, affect the sanitary environment, and endanger human health.

[0003] Referring to the existing Chinese patent with publication number CN207307525U, it discloses an easily connected environmentally friendly exhaust gas filtering and purification device, including a body, a first sealing gasket is fixedly connected to the inner wall of one side of the body, a fixing plate is fixedly connected to one side of the first sealing gasket, a bolt is fixedly connected to the inner wall of one side of the fixing plate, one end of the bolt passes through the fixing plate, the first sealing gasket, the body, the second sealing gasket and the semi-arc plate in sequence and is threadedly connected to the inner wall of the nut, a threaded rod is inserted into the surface of the semi-arc plate, one end of the threaded rod passes through the semi-arc plate and is threadedly connected to the inner wall of the nut, and an intake pipe is fixedly installed on the inner wall of one side of the semi-arc plate.

[0004] The above-mentioned environmentally friendly exhaust gas filtration and purification device, which is easy to connect, can be used to disassemble and install the screw rods by combining bolts and threaded rods, so that the staff can use the semi-arc plate to clamp the air intake pipe, effectively prevent gas leakage, and make it more convenient for the staff to connect the air intake pipe, effectively reduce time consumption, and effectively improve the work efficiency of the staff. However, the above-mentioned environmentally friendly exhaust gas filtration and purification device, which is easy to connect, still has some shortcomings, such as: 1. The exhaust gas enters the body through the air intake pipe, making the exhaust gas more concentrated, resulting in insufficient contact between the spray liquid and the exhaust gas, thereby reducing the effect of removing dust in the exhaust gas; 2. When purifying harmful gases in the exhaust gas, it is inconvenient to disassemble and assemble the activated carbon adsorption mesh plate, which makes it inconvenient to clean and replace the activated carbon adsorption mesh plate, thereby affecting the exhaust gas purification effect. For this reason, an environmentally friendly exhaust gas purification and filtration device is designed. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide an environmentally friendly exhaust gas purification and filtering device to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] An environmentally friendly waste gas purification and filtering device comprises a treatment box, a plurality of groups of legs are welded to the bottom of the treatment box, a waste gas inlet is connected to one side of the treatment box, an air guide pipe is connected to the other end of the waste gas inlet, a plurality of exhaust ports are transversely opened on the circumference of the air guide pipe, a support plate is welded to the outer surface of the treatment box, a water pump is fixedly installed on the upper surface of the support plate, a water inlet pipe is connected to the input end of the water pump, a water outlet pipe is connected to the output end of the water pump, a diverter plate is connected to the other end of the water outlet pipe, an atomizing nozzle is connected to the lower surface of the diverter plate, and a water outlet is connected to one side of the bottom of the treatment box;

[0008] A limiting plate is fixedly welded on the top inner wall of the processing box, and an activated carbon adsorption mesh is arranged on the limiting plate. A top cover is provided on the bottom cover of the processing box, and a sink groove is provided on the upper surface of the top cover, and fastening bolts are provided inside the sink groove. The top cover is fixedly installed on the top of the processing box by the fastening bolts, and a threaded rod is threadedly connected to the top cover, and a pressure plate is rotatably arranged on the bottom end of the threaded rod, and the pressure plate is abutted against the upper surface of the activated carbon adsorption mesh. An exhaust port is provided in the middle position of the processing box.

[0009] By adopting the above technical scheme, by setting up an air duct and a plurality of exhaust ports, the exhaust gas can be discharged from multiple outlets, avoiding the concentrated discharge of the exhaust gas, thereby improving the sufficiency of the contact between the spray liquid and the exhaust gas, which is beneficial to improving the effect of removing dust in the exhaust gas; the activated carbon adsorption mesh plate set up can adsorb harmful gases in the exhaust gas, thereby achieving the effect of exhaust gas purification, and at the same time, by rotating the threaded rod, the threaded rod drives the pressure plate to move downward, so that the pressure plate presses and fixes the activated carbon adsorption mesh plate, thereby increasing the stability and sealing of the activated carbon adsorption mesh plate, reducing the leakage of harmful gases, and by unscrewing the fastening bolts, the top cover is removed from the top of the treatment box, which is convenient for disassembly of the activated carbon adsorption mesh plate, and convenient for cleaning and replacement of the activated carbon adsorption mesh plate.

[0010] Preferably, the plurality of rows of air outlets are arranged in nine rows in total, and each row of air outlets has four groups evenly arranged on the circumference of the air guide pipe.

[0011] By adopting the above technical solution, the exhaust gas can be easily dispersed and discharged sufficiently, thereby increasing the adequacy of the spraying.

[0012] Preferably, the atomizing nozzles are provided in forty-nine groups, and the forty-nine groups of atomizing nozzles are arranged in a 7*7 matrix on the lower surface of the diverter plate.

[0013] By adopting the above technical solution, the range of spraying can be increased, the sufficiency of spraying can be increased, and the effect of removing dust in the exhaust gas can be improved.

[0014] Preferably, a rubber sealing gasket is provided between the outer side of the activated carbon adsorption mesh plate and the inner wall of the processing box for sealing.

[0015] By adopting the above technical solution, the edge of the activated carbon adsorption mesh plate can be easily sealed with the inner wall of the processing box to prevent air leakage and increase the purification effect.

[0016] Preferably, an inclined guide plate is provided at the bottom of the processing box, and the bottom of the inclined guide plate is provided at the port of the water outlet.

[0017] By adopting the above technical solution, the spray liquid at the bottom of the treatment box can be fully discharged.

[0018] Preferably, the end of the water outlet is threadedly connected to an external pipe port, and a filter screen is clamped between the inside of the external pipe port and the water outlet.

[0019] By adopting the above technical scheme, the dust adsorbed in the spray liquid can be filtered through the set filter net, and the spray liquid can be discharged after filtering, thereby reducing pollution. At the same time, the end of the water outlet is threadedly connected to the external pipe port, which can facilitate the disassembly of the external pipe port, the disassembly and cleaning of the filter net, and the cleaning of the filtered dust.

[0020] Preferably, a handle is fixedly provided at the middle position of the upper surface of the activated carbon adsorption mesh plate.

[0021] By adopting the above technical solution, the activated carbon adsorption mesh plate can be easily removed from the inside of the processing box.

[0022] In summary, the utility model mainly has the following beneficial effects:

[0023] First, the utility model can discharge the waste gas from multiple outlets by providing an air guide pipe and a plurality of exhaust ports, thereby avoiding the concentrated discharge of the waste gas, thereby improving the adequacy of the contact between the spray liquid and the waste gas, which is beneficial to improving the effect of removing dust in the waste gas;

[0024] Second, the utility model can adsorb harmful gases in the exhaust gas through the activated carbon adsorption mesh plate, so as to achieve the effect of exhaust gas purification. At the same time, by rotating the threaded rod, the threaded rod drives the pressure plate to move downward, so that the pressure plate presses and fixes the activated carbon adsorption mesh plate, thereby increasing the stability and sealing of the activated carbon adsorption mesh plate, reducing the leakage of harmful gases, and by unscrewing the fastening bolts and removing the top cover from the top of the treatment box, it is convenient to disassemble the activated carbon adsorption mesh plate, and to clean and replace the activated carbon adsorption mesh plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1It is a structural schematic diagram of the utility model;

[0026] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0027] Figure 3 This is a schematic diagram of the distribution of each exhaust outlet on the air guide pipe of the utility model;

[0028] Figure 4 It is a schematic diagram of the distribution of the atomizing nozzle of the utility model on the diverter plate.

[0029] Figure numerals: 1. treatment box; 2. support leg; 3. exhaust gas inlet; 4. air guide pipe; 5. air outlet; 6. support plate; 7. water pump; 8. water inlet pipe; 9. water outlet pipe; 10. diverter plate; 11. atomizing nozzle; 12. water outlet; 13. limit plate; 14. activated carbon adsorption mesh plate; 15. top cover; 16. trough; 17. fastening bolts; 18. threaded rod; 19. pressure plate; 20. exhaust port; 21. rubber sealing pad; 22. inclined guide plate; 23. external pipe port; 24. filter screen; 25. handle. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example 1

[0032] refer to Figure 1-4 , an environmentally friendly waste gas purification and filtering device, comprising a treatment box 1, a plurality of groups of legs 2 are welded to the bottom of the treatment box 1, a waste gas inlet 3 is connected to one side of the treatment box 1, an air guide pipe 4 is connected to the other end of the waste gas inlet 3, a plurality of exhaust ports 5 are transversely opened on the circumference of the air guide pipe 4, a support plate 6 is welded to the outer surface of the treatment box 1, a water pump 7 is fixedly installed on the upper surface of the support plate 6, a water inlet pipe 8 is connected to the input end of the water pump 7, a water outlet pipe 9 is connected to the output end of the water pump 7, a diverter plate 10 is connected to the other end of the water outlet pipe 9, a misting nozzle 11 is connected to the lower surface of the diverter plate 10, and a water outlet 12 is connected to one side of the bottom of the treatment box 1;

[0033] A limit plate 13 is fixedly welded on the top inner wall of the treatment box 1, and an activated carbon adsorption mesh plate 14 is arranged on the limit plate 13. A top cover 15 is provided on the bottom cover of the treatment box 1. A sink groove 16 is provided on the upper surface of the top cover 15, and a fastening bolt 17 is provided inside the sink groove 16. The top cover 15 is fixedly installed on the top of the treatment box 1 by the fastening bolts 17. A threaded rod 18 is threadedly connected to the top cover 15, and a pressure plate 19 is rotatably provided on the bottom end of the threaded rod 18. The pressure plate 19 is abutted against the upper surface of the activated carbon adsorption mesh plate 14. An exhaust port 20 is provided in the middle position of the treatment box 1.

[0034] refer to Figure 1 and Figure 3 In order to facilitate the exhaust gas to be fully dispersed and discharged, thereby increasing the adequacy of the spraying; a total of nine rows of the air outlets 5 are arranged, and each row of the air outlets 5 has four groups evenly arranged on the circumference of the air guide pipe 4.

[0035] refer to Figure 1 and Figure 4 In order to increase the range of spraying and increase the adequacy of spraying, thereby improving the effect of removing dust in the exhaust gas; the atomizing nozzles 11 are provided with forty-nine groups, and the forty-nine groups of atomizing nozzles 11 are arranged in a 7*7 matrix on the lower surface of the diverter plate 10.

[0036] refer to Figure 1-2 In order to facilitate the sealing of the edge of the activated carbon adsorption mesh plate 14 and the inner wall of the processing box 1 to prevent air leakage and increase the purification effect; a rubber sealing pad 21 is sealed between the outer side of the activated carbon adsorption mesh plate 14 and the inner wall of the processing box 1.

[0037] refer to Figure 1 In order to facilitate the full discharge of the spray liquid at the bottom of the treatment box 1, an inclined guide plate 22 is provided at the bottom of the treatment box 1, and the bottom of the inclined guide plate 22 is provided at the port of the water outlet 12.

[0038] refer to Figure 1 The end of the water outlet 12 is threadedly connected to an external pipe port 23, and a filter screen 24 is clamped between the inside of the external pipe port 23 and the water outlet 12. The filter screen 24 can filter the dust adsorbed in the spray liquid, and the spray liquid is discharged after filtering, which reduces pollution. At the same time, the end of the water outlet 12 is threadedly connected to the external pipe port 23, which can facilitate the disassembly of the external pipe port 23, the disassembly and cleaning of the filter screen 24, and the cleaning of the filtered dust.

[0039] refer to Figure 1In order to facilitate taking out the activated carbon adsorption mesh plate 14 from the inside of the processing box 1 , a handle 25 is fixedly provided at the middle position of the upper surface of the activated carbon adsorption mesh plate 14 .

[0040] How it works:

[0041] The waste gas is introduced into the treatment box 1 through the waste gas inlet 3, discharged through the air duct 4 and the air outlet 5, and then water is pumped by the water pump 7. The waste gas is sprayed through the atomizing nozzle 11 to remove dust in the waste gas. The waste gas after spraying passes through the activated carbon adsorption mesh plate 14, and the activated carbon adsorption mesh plate 14 is used to adsorb harmful gases in the waste gas, thereby achieving the effect of waste gas purification, and is discharged from the exhaust port 20. The water after spraying and the dust fall into the bottom of the treatment box 1, and the dust is filtered through the filter net 24. The spray water passes through the filter net 24 and is discharged from the external pipe port 23.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly waste gas purification and filtering device, comprising a treatment box (1), a plurality of groups of legs (2) are welded to the bottom of the treatment box (1), and a waste gas inlet (3) is connected to one side of the treatment box (1), characterized in that: The other end of the exhaust gas inlet (3) is connected to an air guide pipe (4), and a plurality of exhaust ports (5) are transversely opened on the circumference of the air guide pipe (4). A support plate (6) is welded to the outer surface of the treatment box (1), and a water pump (7) is fixedly installed on the upper surface of the support plate (6). The input end of the water pump (7) is connected to a water inlet pipe (8), and the output end of the water pump (7) is connected to a water outlet pipe (9). The other end of the water outlet pipe (9) is connected to a diverter plate (10), and the lower surface of the diverter plate (10) is connected to an atomizing nozzle (11). One side of the bottom of the treatment box (1) is connected to a water outlet (12); A limit plate (13) is fixedly welded on the inner wall of the top of the treatment box (1), and an activated carbon adsorption mesh plate (14) is arranged on the limit plate (13). The bottom cover of the treatment box (1) is provided with a top cover (15), and a sink groove (16) is provided on the upper surface of the top cover (15). A fastening bolt (17) is arranged inside the sink groove (16). The top cover (15) is fixedly installed on the top of the treatment box (1) by the fastening bolt (17). A threaded rod (18) is threadedly connected to the top cover (15), and a pressure plate (19) is rotatably arranged at the bottom end of the threaded rod (18). The pressure plate (19) is arranged to abut against the upper surface of the activated carbon adsorption mesh plate (14). An exhaust port (20) is provided in the middle of the treatment box (1).

2. The environmental protection waste gas purification and filtering device according to claim 1 is characterized in that: A total of nine rows of the air outlets (5) are provided, and each row of the air outlets (5) has four groups evenly arranged on the circumference of the air guide pipe (4).

3. The environmental protection waste gas purification and filtering device according to claim 1 is characterized in that: Forty-nine groups of the atomizing nozzles (11) are provided, and the forty-nine groups of the atomizing nozzles (11) are arranged in a 7*7 matrix on the lower surface of the diverter plate (10).

4. The environmental protection waste gas purification and filtering device according to claim 1 is characterized in that: A rubber sealing pad (21) is provided between the outer side of the activated carbon adsorption mesh plate (14) and the inner wall of the processing box (1) for sealing.

5. The environmental protection waste gas purification and filtering device according to claim 1 is characterized in that: An inclined guide plate (22) is provided at the bottom of the processing box (1), and the bottom of the inclined guide plate (22) is arranged at the port of the water outlet (12).

6. The environmental protection waste gas purification and filtering device according to claim 1 is characterized in that: The end of the water outlet (12) is threadedly connected to an external pipe port (23), and a filter screen (24) is clamped between the inside of the external pipe port (23) and the water outlet (12).

7. The environmental protection waste gas purification and filtering device according to claim 1 is characterized in that: A handle (25) is fixedly provided at the middle position of the upper surface of the activated carbon adsorption mesh plate (14).

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