VOC waste gas purification device

Abstract

The utility model discloses a VOC (volatile organic compound) waste gas purification device which comprises a VOC waste gas purification box body, an ozone treatment tank, a first adsorption tank and a second adsorption tank are sequentially arranged inside the VOC waste gas purification box body, a third adsorption tank is arranged at the top of the VOC waste gas purification box body, a common base is arranged at the bottom of the VOC waste gas purification box body, and the VOC waste gas purification box body is arranged on the common base. An ozone generator is arranged at one end of the VOC waste gas purification box body and is connected with the common base through a support frame. The ozone generator is arranged at one end of the VOC waste gas purification box body, ozone can be supplied to the interior through the ozone generator, the VOC waste gas is subjected to ozone treatment before being treated, the second fan is additionally arranged at the position of the ozone outlet, the ozone spreading speed can be increased through the second fan, and the VOC waste gas purification effect is improved. The efficiency of mixed reaction of ozone and VOC waste gas is improved, and part of organic matters in the waste gas are decomposed, so that the adsorption performance of activated carbon is improved, and VOC waste gas treatment is safer and more effective.

Description

Technical Field

[0001] The utility model relates to the relevant field of VOC waste gas purification devices, in particular to a VOC waste gas purification device. Background Art

[0002] VOC is volatile organic compound. In the ordinary sense, VOC is volatile organic compound, but in the environmental sense, it refers to a class of active volatile organic compounds, that is, the class of volatile organic compounds that can cause harm. The methods of VOC waste gas purification can be divided into thermal destruction and adsorption. The thermal destruction method refers to the direct and auxiliary combustion of organic gas, that is, VOC, or the use of suitable catalysts to accelerate the chemical reaction of VOC to make it harmless. A treatment method, the adsorption method is mainly suitable for low-concentration, high-throughput organic waste gas.

[0003] The adsorption method used in the prior art for VOC waste gas purification still has certain shortcomings in use. The main defects of the adsorption method are that the equipment is large in size and occupies a large installation area. In addition, when purifying organic waste gas with a higher concentration, some waste gas will not be completely purified, resulting in the purified gas being unsafe and having a certain impact on the human body and the environment. Utility Model Content

[0004] The purpose of the utility model is to provide a VOC waste gas purification device to solve the defects of the adsorption method proposed in the above background technology, mainly in that the equipment is large in size, occupies a large installation area, and when purifying organic waste gas with a higher concentration, some waste gas will not be completely purified, resulting in the purified gas being unsafe and having a certain impact on the human body and the environment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a VOC waste gas purification device, comprising a VOC waste gas purification box, wherein the interior of the VOC waste gas purification box is sequentially provided with an ozone treatment tank, a first adsorption tank and a second adsorption tank, a third adsorption tank is provided on the top of the VOC waste gas purification box, a common base is provided on the bottom of the VOC waste gas purification box, an ozone generator is provided at one end of the VOC waste gas purification box, the ozone generator is connected to the common base through a support frame, an air inlet is provided on one side of the ozone generator, an ozone outlet at one end of the ozone generator is connected to a buffer sealing cover, and the buffer sealing cover is fixedly connected to the VOC waste gas purification box by bolts, the ozone treatment tank is provided with a third adsorption tank, a common base is provided on the bottom of the VOC waste gas purification box, an ozone generator is provided at one end of the VOC waste gas purification box, an ozone generator is provided with a buffer sealing cover, and the buffer sealing cover is fixedly connected to the VOC waste gas purification box by bolts, and the ozone treatment tank is provided with a third adsorption tank. A conical groove is provided at one end of the interior of the treatment tank, and a second fan is provided inside the conical groove; a waste gas inlet is provided on one side of the VOC waste gas purification box body at a position aligned with the ozone treatment tank, and a first fan is provided inside the waste gas inlet; a first assembly frame is provided inside the first adsorption tank, and a primary activated carbon adsorption layer is provided inside the first assembly frame; a second assembly frame is provided inside the second adsorption tank, and a secondary activated carbon adsorption layer is provided inside the second assembly frame; a buffer groove is provided in the lower half of the interior of the third adsorption tank, and a tertiary activated carbon adsorption layer is provided in the upper half of the interior of the third adsorption tank; a clean gas outlet is provided at the top of the third adsorption tank, and a third fan is provided inside the clean gas outlet.

[0006] In a further embodiment, the buffer sealing cover is fixedly connected to the ozone outlet by screws, and the buffer sealing cover is configured as a conical structure.

[0007] In a further embodiment, an air flow inlet is provided between the ozone treatment tank and the first adsorption tank, and there are two air flow inlets in total.

[0008] In a further embodiment, the primary activated carbon adsorption layer is fixedly connected to the first assembly frame by embedding, and the cross-section of the first assembly frame is set as a triangular structure.

[0009] In a further embodiment, the secondary activated carbon adsorption layer is fixedly connected to the second assembly frame by inlaying, and the cross-section of the second assembly frame is set as a triangular structure, and the first assembly frame and the second assembly frame are set as a central symmetrical structure.

[0010] In a further embodiment, a through opening is provided between the first adsorption groove and the second adsorption groove, an air flow outlet is provided on the outer side of the second adsorption groove, and the position of the air flow outlet is aligned with the air flow inlet, and the second adsorption groove is fixedly connected to the cache groove through a connecting pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, an ozone generator is arranged at one end of the VOC waste gas purification box. The ozone generator can increase the ozone inside, so that the VOC waste gas is first treated with ozone before being treated. A second fan is installed at the ozone outlet. The second fan can increase the speed of ozone diffusion, improve the efficiency of the mixed reaction of ozone and VOC waste gas, and decompose some organic matter in the waste gas, thereby improving the adsorption performance of activated carbon, making the VOC waste gas treatment safer and more effective. The third adsorption tank is arranged on the top of the VOC waste gas purification box, so that the adsorption equipment has an upper and lower installation structure, which reduces the occupied area of ​​the equipment volume and is easy to install and operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the internal structure of a VOC waste gas purification device of the utility model;

[0014] Figure 2 This is a front view of a VOC waste gas purification device of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the tapered groove of the utility model;

[0016] Figure 4 It is a side view of a VOC waste gas purification device of the utility model.

[0017] In the figure: 1. VOC waste gas purification box; 2. Ozone treatment tank; 3. Conical tank; 4. Buffer sealing cover; 5. Air inlet; 6. Ozone outlet; 7. Ozone generator; 8. Support frame; 9. Air flow inlet; 10. Common base; 11. First adsorption tank; 12. First assembly frame; 13. Primary activated carbon adsorption layer; 14. Second adsorption tank; 15. Through port; 16. Secondary activated carbon adsorption layer; 17. Second assembly frame; 18. Air flow outlet; 19. Connecting pipe; 20. Buffer tank; 21. Tertiary activated carbon adsorption layer; 22. Third adsorption tank; 23. Third fan; 24. Clean air outlet; 25. Waste gas inlet; 26. First fan; 27. Second fan. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] See also Figure 1-4The utility model provides an embodiment: a VOC waste gas purification device, including a VOC waste gas purification box 1, the interior of the VOC waste gas purification box 1 is sequentially provided with an ozone treatment tank 2, a first adsorption tank 11 and a second adsorption tank 14, the top of the VOC waste gas purification box 1 is provided with a third adsorption tank 22, the bottom of the VOC waste gas purification box 1 is provided with a common base 10, one end of the VOC waste gas purification box 1 is provided with an ozone generator 7, the ozone generator 7 is connected to the common base 10 through a support frame 8, one side of the ozone generator 7 is provided with an air inlet 5, and the ozone generator 7 is provided with an air inlet 5. The ozone outlet 6 at one end of the generator 7 is connected to the buffer sealing cover 4, and the buffer sealing cover 4 is fixedly connected to the VOC waste gas purification box 1 by bolts. A conical groove 3 is provided at one end of the inside of the ozone treatment tank 2, and a second fan 27 is provided inside the conical groove 3. A waste gas inlet 25 is provided at a position aligned with the ozone treatment tank 2 on one side of the VOC waste gas purification box 1, and a first fan 26 is provided inside the waste gas inlet 25. A first assembly frame 12 is provided inside the first adsorption tank 11, and a primary activated carbon adsorption layer 13 is provided inside the first assembly frame 12. The inside of the second adsorption tank 14 is provided with a first assembly frame 12. A second assembly frame 17 is provided in the second assembly frame 17, a secondary activated carbon adsorption layer 16 is provided in the interior of the third adsorption tank 22, a buffer tank 20 is provided in the lower half of the interior of the third adsorption tank 22, a tertiary activated carbon adsorption layer 21 is provided in the upper half of the interior of the third adsorption tank 22, a clean gas outlet 24 is provided at the top of the third adsorption tank 22, a third fan 23 is provided inside the clean gas outlet 24, an ozone treatment tank 2 is used to treat the waste gas with ozone, an ozone generator 7 is used to produce ozone to provide ozone in the ozone treatment tank 2, and a first adsorption tank 11, a second adsorption tank 14 and The third adsorption tank 22 is used for adsorbing the exhaust gas, the conical tank 3 is used to install and fix the second fan 27, the first assembly frame 12 is used to install and fix the primary activated carbon adsorption layer 13, the primary activated carbon adsorption layer 13 is used to perform initial purification of the exhaust gas, the second assembly frame 17 is used to install and fix the secondary activated carbon adsorption layer 16, the secondary activated carbon adsorption layer 16 is used to perform secondary purification of the exhaust gas, the tertiary activated carbon adsorption layer 21 is used to perform tertiary purification of the exhaust gas, and the clean gas outlet 24 is used to discharge the clean gas.

[0020] The buffer sealing cover 4 is fixedly connected to the ozone outlet 6 by screws, and the buffer sealing cover 4 is set to a conical structure, through which the diffusion direction of ozone can be guided.

[0021] An air flow inlet 9 is provided between the ozone treatment tank 2 and the first adsorption tank 11, and there are two air flow inlets 9 in total. The air flow inlet 9 facilitates the flow of exhaust gas into the first adsorption tank 11. A through opening 15 is provided between the first adsorption tank 11 and the second adsorption tank 14. An air flow outlet 18 is provided on the outer side of the second adsorption tank 14, and the air flow outlet 18 is aligned with the position of the air flow inlet 9. The second adsorption tank 14 is fixedly connected to the buffer tank 20 through a connecting pipe 19, and the connecting pipe 19 is used to transport the exhaust gas to the buffer tank 20 for purification treatment.

[0022] The primary activated carbon adsorption layer 13 is fixedly connected to the first assembly frame 12 by embedding, and the cross section of the first assembly frame 12 is set to a triangular structure. The triangular structure can increase the filtering space of the primary activated carbon adsorption layer 13 and avoid blind areas of adsorption.

[0023] The secondary activated carbon adsorption layer 16 is fixedly connected to the second assembly frame 17 by embedding, and the cross section of the second assembly frame 17 is set as a triangular structure, and the first assembly frame 12 and the second assembly frame 17 are set as a central symmetrical structure.

[0024] Working principle: When in use, VOC waste gas enters the ozone treatment tank 2 from the waste gas inlet 25, and the ozone is transported from the ozone outlet 6 to the buffer sealing cover 4 through the ozone generator 7. The internal wind force is increased by the second fan 27 to increase the speed and area of ​​ozone emission, so that the ozone can quickly enter the ozone treatment tank 2 and mix with the VOC waste gas for purification. The purified waste gas is then transported to the first adsorption tank 11, the second adsorption tank 14 and the third adsorption tank 22 in turn through the air flow inlet 9, and is adsorbed and purified through the primary activated carbon adsorption layer 13, the secondary activated carbon adsorption layer 16 and the tertiary activated carbon adsorption layer 21, and the clean gas is discharged through the clean gas outlet 24.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A VOC waste gas purification device, comprising a VOC waste gas purification box (1), characterized in that: The VOC waste gas purification box (1) is provided with an ozone treatment tank (2), a first adsorption tank (11) and a second adsorption tank (14) in sequence. The top of the VOC waste gas purification box (1) is provided with a third adsorption tank (22). The bottom of the VOC waste gas purification box (1) is provided with a common base (10). An ozone generator (7) is provided at one end of the VOC waste gas purification box (1). The ozone generator (7) is connected to the common base (10) via a support frame (8). An air inlet (5) is provided at one side of the ozone generator (7). An ozone outlet (6) at one end of the ozone generator (7) is connected to a buffer sealing cover (4). The buffer sealing cover (4) is fixedly connected to the VOC waste gas purification box (1) via bolts. A conical groove (3) is provided at one end of the inside of the ozone treatment tank (2). A second fan ( 27), a waste gas inlet (25) is provided on one side of the VOC waste gas purification box (1) at a position aligned with the ozone treatment tank (2), a first fan (26) is provided inside the waste gas inlet (25), a first assembly frame (12) is provided inside the first adsorption tank (11), a primary activated carbon adsorption layer (13) is provided inside the first assembly frame (12), a second assembly frame (17) is provided inside the second adsorption tank (14), a secondary activated carbon adsorption layer (16) is provided inside the second assembly frame (17), a buffer tank (20) is provided in the lower half of the interior of the third adsorption tank (22), a tertiary activated carbon adsorption layer (21) is provided in the upper half of the interior of the third adsorption tank (22), a clean gas outlet (24) is provided at the top of the third adsorption tank (22), and a third fan (23) is provided inside the clean gas outlet (24).

2. A VOC waste gas purification device according to claim 1, characterized in that: The buffer sealing cover (4) is fixedly connected to the ozone outlet (6) by means of screws, and the buffer sealing cover (4) is configured as a conical structure.

3. A VOC waste gas purification device according to claim 1, characterized in that: An air flow inlet (9) is provided between the ozone treatment tank (2) and the first adsorption tank (11), and there are two air flow inlets (9) in total.

4. A VOC waste gas purification device according to claim 1, characterized in that: The primary activated carbon adsorption layer (13) is fixedly connected to the first assembly frame (12) by embedding, and the cross section of the first assembly frame (12) is configured as a triangular structure.

5. A VOC waste gas purification device according to claim 1, characterized in that: The secondary activated carbon adsorption layer (16) and the second assembly frame (17) are fixedly connected by embedding, and the cross section of the second assembly frame (17) is set as a triangular structure, and the first assembly frame (12) and the second assembly frame (17) are set as a central symmetrical structure.

6. A VOC waste gas purification device according to claim 1, characterized in that: A through opening (15) is provided between the first adsorption groove (11) and the second adsorption groove (14); an air flow outlet (18) is provided on the outer side of the second adsorption groove (14); the air flow outlet (18) is aligned with the position of the air flow inlet (9); and the second adsorption groove (14) and the buffer groove (20) are fixedly connected via a connecting pipe (19).

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