DBD plasma industrial waste gas treatment device

Abstract

The utility model discloses a DBD plasma industrial waste gas treatment device which comprises a first active carbon filter, a second active carbon filter, a plasma treatment tank, a third active carbon filter, a waste gas collection cavity and a gas inlet head, a first activated carbon filter, a second activated carbon filter and a third activated carbon filter are arranged on the outer side of the plasma treatment tank through supporting rods, and the first activated carbon filter, the second activated carbon filter and the third activated carbon filter are connected through connecting pipes; and a plurality of DBD plasma generating pipes are arranged in the plasma treatment tank. According to the utility model, the plurality of activated carbon filters and the plasma treatment tank are assembled into an annular structure, so that the cost is reduced, the occupied area is greatly reduced, the waste gas purification effect is not influenced, and the plurality of activated carbon filters are connected with the plasma treatment tank end to end, so that the waste gas purification effect is greatly improved through repeated adsorption filtration and plasma decomposition purification. The waste gas treatment is more thorough.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related field of waste gas treatment device, concretely to a DBD plasma industrial waste gas treatment device. BACKGROUND

[0002] Waste gas treatment refers to the pretreatment of waste gas generated in industrial sites and factory workshops before external discharge to meet the national standard for external discharge of waste gas. General waste gas treatment includes organic waste gas treatment, dust waste gas treatment, acid-base waste gas treatment, odor waste gas treatment, and air sterilization and disinfection purification.

[0003] For example, the authorized patent with publication number CN113713588B (Injection type plasma waste gas treatment device) relates to the field of plasma / waste gas treatment devices. In the present invention: the waste gas treatment device is divided into a neutralization reaction cavity, an intermediate buffer cavity, a partition treatment cavity, and an ion waste gas mixing cavity; the waste gas treatment device is provided with an inner position isolation layer plate; the bottom of the neutralization reaction cavity of the waste gas treatment device is provided with a section of isolation plate located outside the peripheral of the inner position isolation layer plate; the section of isolation plate is provided with a self-adjusting gas inlet; the lower part of the waste gas treatment device is provided with a gas partition treatment mechanism; the partition treatment cavity is located inside the gas partition treatment mechanism; the end side of the plasma vacuum injection pipeline is located inside the ion waste gas mixing cavity of the waste gas treatment device. The present invention makes the preliminary treatment of waste gas, the precipitation of reactants, and the conduction and treatment of gas more efficient, facilitates the efficient molecular modification of the preheated gas in the ion waste gas mixing cavity, and improves the final treatment effect of industrial waste gas.

[0004] The above-mentioned prior art has the problems of large floor area, heavy use, high treatment cost, single waste gas treatment method, inability to purify different cost waste gases, incomplete waste gas treatment, and insufficient contact between waste gas and plasma, affecting the efficiency and effect of waste gas decomposition. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a DBD plasma industrial waste gas treatment device to solve the problems of large floor area, heavy use, high treatment cost, single waste gas treatment method, inability to purify different cost waste gases, incomplete waste gas treatment, and insufficient contact between waste gas and plasma, affecting the efficiency and effect of waste gas decomposition.

[0006] To achieve the above object, the utility model provides the following technical scheme: A DBD plasma industrial waste gas treatment device, including first activated carbon filter, second activated carbon filter, plasma treatment jar, third activated carbon filter, waste gas collection cavity and air inlet head, the outside of plasma treatment jar is equipped with first activated carbon filter, second activated carbon filter and third activated carbon filter respectively through support rod, and first activated carbon filter, second activated carbon filter and third activated carbon filter are connected through the connecting pipe between, the inside of plasma treatment jar is equipped with a plurality of DBD plasma generating tube.

[0007] In further embodiments, the end of the first activated carbon filter is provided with a waste gas introduction head, the end of the third activated carbon filter is provided with a gas delivery pipe, and the inside of the first activated carbon filter, the second activated carbon filter and the third activated carbon filter is provided with an activated carbon adsorption filter core.

[0008] In further embodiments, the middle part of the outer side of the plasma treatment jar is provided with a jack, and the support rod is inserted and fixed in the jack.

[0009] In further embodiments, the air inlet head is arranged on one side of the plasma treatment jar, and the gas delivery pipe is connected with the air inlet head.

[0010] In further embodiments, the waste gas collection cavity is arranged on the outer wall of the plasma treatment jar, and the inside of the waste gas collection cavity is provided with a waste gas diffusion layer.

[0011] In further embodiments, the utility model further comprises a suction pump, the suction pump is arranged at the middle of the plasma treatment jar, the inside of the suction pump is provided with a waste gas detection module, the end of the suction pump is provided with an exhaust head, and the end of the plasma treatment jar is provided with a mounting.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model assembles multiple activated carbon filters and plasma treatment jars into a ring structure, which not only reduces the cost, but also greatly reduces the floor area without affecting the waste gas purification effect. The multiple activated carbon filters and the plasma treatment jars are connected in series, and the waste gas treatment is more complete through multiple adsorption and filtration and plasma decomposition and purification.

[0014] 2. The outer wall of the plasma treatment jar of the utility model is provided with a waste gas collection cavity, and the inside of the waste gas collection cavity is provided with a waste gas diffusion layer. The waste gas can be uniformly diffused into the plasma treatment jar through the waste gas diffusion layer, so that the plasma can be fully and efficiently contacted, and the waste gas purification effect can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1A structure schematic view of the DBD plasma industrial waste gas treatment device of the utility model;

[0016] Figure 2 A sectional view of the plasma treatment tank of the utility model;

[0017] Figure 3 A top view of the plasma treatment tank of the utility model;

[0018] Figure 4 A structure schematic view of the first activated carbon filter of the utility model.

[0019] In the drawing: 1, first activated carbon filter;2, connecting pipe;3, support rod;4, second activated carbon filter;5, plasma treatment tank;6, gas conveying pipe;7, third activated carbon filter;8, DBD plasma generating pipe;9, waste gas diffusion layer;10, air suction pump;11, jack;12, mounting head;13, waste gas collecting cavity;14, air inlet head;15, exhaust head;16, activated carbon adsorption filter element;17, waste gas introduction head. DETAILED DESCRIPTION

[0020] 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.

[0021] Please refer to Figures 1-4 The utility model provides an embodiment: a DBD plasma industrial waste gas treatment device, including first activated carbon filter 1, second activated carbon filter 4, plasma treatment tank 5, third activated carbon filter 7, waste gas collecting cavity 13 and air inlet head 14, the outside of plasma treatment tank 5 is equipped with first activated carbon filter 1, second activated carbon filter 4 and third activated carbon filter 7 respectively through support rod 3, and first activated carbon filter 1, second activated carbon filter 4 and third activated carbon filter 7 are connected through connecting pipe 2 between the first activated carbon filter 1, second activated carbon filter 4 and third activated carbon filter 7, and the inside of plasma treatment tank 5 is equipped with a plurality of DBD plasma generating pipe 8;Through first activated carbon filter 1, second activated carbon filter 4 and third activated carbon filter 7, waste gas is carried out activated carbon adsorption filtration, through DBD plasma generating pipe 8 to carry out decomposition treatment to waste gas, through support rod 3, the connection of first activated carbon filter 1, second activated carbon filter 4 and third activated carbon filter 7 and plasma treatment tank 5 is facilitated.

[0022] The end of the first activated carbon filter 1 is provided with a waste gas introduction head 17, the end of the third activated carbon filter 7 is provided with a gas conveying pipe 6, the inside of the first activated carbon filter 1, the second activated carbon filter 4 and the third activated carbon filter 7 is provided with an activated carbon adsorption filter core 16, the waste gas is introduced through the waste gas introduction head 17, and the waste gas treated by adsorption is introduced into the plasma treatment tank 5 through the gas conveying pipe 6.

[0023] The middle part outside the plasma treatment tank 5 is provided with a jack 11, the support rod 3 is inserted and fixed with the jack 11, the insertion and fixation of the support rod 3 is facilitated through the jack 11; the gas inlet head 14 is arranged at one side of the plasma treatment tank 5, and the gas conveying pipe 6 is connected with the gas inlet head 14, the installation of the gas conveying pipe 6 is facilitated through the gas inlet head 14.

[0024] The waste gas collecting cavity 13 is arranged on the outer wall of the plasma treatment tank 5, the inside of the waste gas collecting cavity 13 is provided with a waste gas diffusion layer 9, the waste gas is collected through the waste gas collecting cavity 13, and the waste gas is uniformly diffused out through the waste gas diffusion layer 9.

[0025] The air suction pump 10 is arranged at the middle part of the plasma treatment tank 5, the inside of the air suction pump 10 is provided with a waste gas detection module, the end of the air suction pump 10 is provided with an exhaust head 15, the end of the plasma treatment tank 5 is provided with a mounting head 12, the waste gas is absorbed through the air suction pump 10 and is discharged through the exhaust head 15.

[0026] Working principle: in use, the first activated carbon filter 1, the second activated carbon filter 4 and the third activated carbon filter 7 are connected with the outside of the plasma treatment tank 5 through the support rod 3, the waste gas is introduced into the first activated carbon filter 1 through the waste gas introduction head 17, the waste gas is transported into the second activated carbon filter 4 through the connecting pipe 2 after being purified by the first activated carbon filter 1, the waste gas is transported into the third activated carbon filter 7 after being purified by the second activated carbon filter 4, the waste gas is transported into the plasma treatment tank 5 through the gas conveying pipe 6 after being purified by the third activated carbon filter 7, the waste gas is collected through the waste gas collecting cavity 13 in the plasma treatment tank 5, and the waste gas is diffused to the inner cavity of the plasma treatment tank 5 through the waste gas diffusion layer 9, the waste gas is decomposed by the DBD plasma generating pipe 8, and the decomposed gas is discharged by the exhaust head 15 after being absorbed by the air suction pump 10.

[0027] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A DBD plasma industrial waste gas treatment device comprising a first activated carbon filter (1), a second activated carbon filter (4), a plasma treatment tank (5), a third activated carbon filter (7), a waste gas collection cavity (13) and an air inlet head (14), characterized in that: The outer side of the plasma treatment tank (5) is provided with a first activated carbon filter (1), a second activated carbon filter (4) and a third activated carbon filter (7) through a support rod (3) respectively, and the first activated carbon filter (1), the second activated carbon filter (4) and the third activated carbon filter (7) are connected through a connecting pipe (2), and the inside of the plasma treatment tank (5) is provided with a plurality of DBD plasma generating pipes (8).

2. The DBD plasma industrial waste gas treatment device according to claim 1, characterized in that: The end of the first activated carbon filter (1) is provided with a waste gas introduction head (17), the end of the third activated carbon filter (7) is provided with a gas conveying pipe (6), and the inside of the first activated carbon filter (1), the second activated carbon filter (4) and the third activated carbon filter (7) is provided with an activated carbon adsorption filter core (16).

3. The DBD plasma industrial waste gas treatment device according to claim 1, characterized in that: The middle part of the outer side of the plasma treatment tank (5) is provided with a jack (11), and the support rod (3) is inserted and fixed with the jack (11).

4. The DBD plasma industrial waste gas treatment device according to claim 1, characterized in that: The gas inlet head (14) is arranged on one side of the plasma treatment tank (5), and the gas conveying pipe (6) is connected with the gas inlet head (14).

5. The DBD plasma industrial waste gas treatment device according to claim 1, characterized in that: The waste gas collecting cavity (13) is arranged on the outer wall of the plasma treatment tank (5), and the inner side of the waste gas collecting cavity (13) is provided with a waste gas diffusion layer (9).

6. The DBD plasma industrial waste gas treatment device according to claim 1, characterized in that: Further comprising an air suction pump (10), the air suction pump (10) is arranged at the middle of the plasma treatment tank (5), the inside of the air suction pump (10) is provided with a waste gas detection module, the end of the air suction pump (10) is provided with an exhaust head (15), and the end of the plasma treatment tank (5) is provided with a mounting head (12).

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