Rotary drum type photolysis self-cleaning tail gas deodorization device

Abstract

The utility model discloses a rotary drum type photolysis self-cleaning tail gas deodorization device which comprises a device shell, a rotary drum top plate bottom plate and a middle wind shield are arranged in the device shell, the rotary drum top plate bottom plate is connected with the device shell in a sealing and rotating mode, the middle wind shield is connected with the rotary drum top plate bottom plate, and an outer wind shield is arranged on one side of the middle wind shield. An air inlet and outlet is formed in the device shell; an upper opening is formed in the rotary drum top plate; a lamp tube is arranged in the device shell, penetrates through the middle wind shield and is connected with the bottom plate of the rotary drum top plate, the lamp tube is seamlessly connected with the bottom plate of the rotary drum, a limiting gasket is arranged between the middle wind shield and the rotary drum top plate, and a water permeable hole is formed between the limiting gasket and the lamp tube; the drum bottom plate is connected with a hollow rotating shaft driven by a driving mechanism, a washing water tank is arranged at the bottom of the device shell, the washing water tank is connected with a circulating spraying pipeline arranged above the drum top plate, and a microwave power supply is arranged on the device shell. The tail gas treatment device can improve the tail gas treatment effect, prolong the service life, avoid safety risks, and is small in occupied area and low in energy consumption.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a rotary drum type photolysis self-cleaning tail gas deodorizing device. Background Art

[0002] Due to process requirements, the tail gas produced in industrial production will produce volatile oil. In the traditional photolysis + water washing process, firstly, due to the direct contact between the light source and the tail gas, the light source irradiation surface will be adhered to the oil in the tail gas, causing the equipment operation efficiency to continue to decline. Secondly, the water washing equipment and the photolysis equipment are independent, occupying a large area and consuming high energy. In addition, the light source and the power supply are connected by wire. When the light source is broken or other situations occur, the light source electrode is in direct contact with the tail gas containing oil, which may cause safety hazards. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a rotary drum type photolysis self-cleaning exhaust gas deodorization device, aiming to solve the technical problems existing in the prior art that the light source is easily adhered to by dirty oil and affects the operating efficiency of the equipment, the light source and the power supply are connected by wire, there are safety hazards, and the whole system occupies a large area and has high energy consumption.

[0004] The technical scheme of the utility model is: a rotary drum type photolysis self-cleaning tail gas deodorizing device, comprising a device shell, wherein a rotary drum top plate, an intermediate wind shield plate, and a rotary drum bottom plate are sequentially arranged in the device shell from top to bottom, the rotary drum top plate, the rotary drum bottom plate and the inner wall of the device shell are sealed and rotatably connected, the intermediate wind shield plate is respectively connected to the rotary drum top plate and the rotary drum bottom plate through a connecting piece, and an outer wind shield plate surrounding one side of the intermediate wind shield plate to cooperate with wind shielding is arranged on the inner wall of the device shell; an air inlet is arranged on the device shell between the intermediate wind shield plate and the rotary drum bottom plate, an upper opening is arranged on the rotary drum top plate, and an air outlet is arranged on the top of the device shell, and after the exhaust gas is introduced through the air inlet, it can flow upward along the intermediate wind shield plate and pass through the upper opening to be discharged from the air outlet;

[0005] A plurality of light tubes are arranged in the housing of the device, the light tubes pass through the middle wind shield plate and the two ends of the light tubes are respectively connected to the top plate and the bottom plate of the rotating drum, the light tubes are seamlessly connected to the bottom plate of the rotating drum, the light tubes are connected to the middle wind shield plate and the top plate of the rotating drum through limiting gaskets, and there are water-permeable holes between the limiting gaskets and the light tubes;

[0006] A hollow rotating shaft is connected to the bottom of the bottom plate of the rotating drum, and the hollow rotating shaft is driven to rotate by a driving mechanism; washing water is installed at the bottom of the device shell to form a washing water tank, and the washing water tank is connected to a circulating spray pipeline, which is arranged above the top plate of the rotating drum and is used to wash the exhaust gas and the lamp tube. The washing water flows down along the lamp tube through the water permeable holes, and the accumulated liquid flows back to the washing water tank through the hollow rotating shaft; a microwave power supply is provided on the device shell for microwave excitation of the lamp tube to emit light.

[0007] Furthermore, an upper frame and a lower frame are provided on the inner wall of the outer shell of the device in the utility model, and the upper and lower frames are respectively sealed and rotatably matched with the top plate and the bottom plate of the rotating drum.

[0008] Furthermore, the connecting parts described in the utility model include multiple inner connecting frames and multiple outer connecting frames, the multiple inner connecting frames are divided into two layers, the upper inner connecting frames are arranged on the inner side of the upper opening of the drum top plate and connected to the middle wind shield plate, the upper inner connecting frames correspond to the lower inner connecting frames up and down, and the lower inner connecting frames are connected to the middle wind shield plate and the drum bottom plate; the multiple outer connecting frames are divided into two layers, the upper outer connecting frames are connected to the edge position of the drum top plate and the middle wind shield plate, the upper outer connecting frames correspond to the lower outer connecting frames up and down, and the lower outer connecting frames are connected to the edge position of the middle wind shield plate and the drum bottom plate.

[0009] Furthermore, the air inlet in the utility model is arranged below the outer wind shield plate.

[0010] Furthermore, the limiting gasket described in the utility model includes a rubber ring and a limiting part. The rubber ring is used to seal and fit with the middle wind shield plate or the top plate of the rotating drum. The limiting part has multiple parts for installing and positioning the lamp tube. There is a gap between the lamp tube and the limiting part to form the water-permeable hole.

[0011] Furthermore, in the utility model, a partition is provided above the washing water tank in the housing of the device, a hollow shaft is mounted on the partition, and the driving mechanism includes a motor and a transmission belt connecting the motor and the hollow shaft.

[0012] Furthermore, the circulating spray pipeline described in the utility model is connected to the washing water tank through a circulating water pump. The circulating spray pipeline includes a plurality of spray pipes arranged in parallel. The length of each spray pipe projected on the top plate of the rotating drum below exceeds the edge of the top plate of the rotating drum to achieve sufficient spraying.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1) In the utility model, the lamp tube is installed on a drum structure composed of a drum top plate, a middle wind shield plate and a drum bottom plate. The drum structure is driven by a hollow shaft and is always in a rotating state. After the lamp tube with dirty oil attached is rotated to the spraying area of ​​the circulating spray pipeline, it can be cleaned with the sprayed washing water. The special design of the limiting gasket and the hollow shaft can realize the reflux of the accumulated liquid and the circulating spraying use. The lamp tube is excited by microwaves and there is no risk of conductivity. After being cleaned, the lamp tube continues to rotate to the air inlet to decompose the pollutants in the exhaust gas.

[0015] 2) In the utility model, the device adopts a microwave power supply, and the lamp tube is not directly connected to the power supply through a line, but is excited by microwaves emitted by the microwave power supply. Even if the lamp tube is broken, there will be no direct contact between the power supply line and the exhaust gas, thus avoiding possible safety risks.

[0016] 3) In the utility model, through the cooperation of the middle wind shield plate and the outer wind shield plate, the main flow path of the exhaust gas flow is made to flow upward in an S-shaped bend, thereby increasing the contact reaction time. The washing water in the circulating spray pipeline can also wash the exhaust gas while washing the lamp tube, thereby improving the exhaust gas treatment effect.

[0017] 4) In the utility model, the water washing and photolysis equipment are integrated, which reduces the floor space of the composite process system and reduces the energy consumption of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view of the utility model (wherein the arrow indicates the main flow path of the exhaust gas);

[0019] Figure 2 It is a top view of the utility model;

[0020] Figure 3 It is a schematic diagram of the specific structure of the limiting gasket described in the utility model.

[0021] Among them: 1. Device shell; 2. Drum top plate; 2a. Upper opening; 3. Middle wind shield; 4. Drum bottom plate; 5. Outer wind shield; 6. Air inlet; 7. Air outlet; 8. Lamp tube; 9. Limiting gasket; 9a. Rubber ring; 9b. Limiting part; 10. Water permeable hole; 11. Hollow rotating shaft; 12. Washing water tank; 13. Circulating spray pipeline; 14. Microwave power supply; 15. Upper frame; 16. Lower frame; 17. Inner connecting frame; 18. Outer connecting frame; 19. Partition; 20. Motor; 21. Transmission belt; 22. Circulating water pump. DETAILED DESCRIPTION

[0022] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0023] Example:

[0024] As shown in the accompanying drawings, a specific implementation method of the utility model is a rotary drum type photolysis self-cleaning exhaust deodorization device, which mainly includes a device shell 1, and the device shell 1 is provided with a rotary drum top plate 2, an intermediate wind shield plate 3, and a rotary drum bottom plate 4 from top to bottom. An upper frame 15 and a lower frame 16 are provided on the inner wall of the device shell 1. The upper frame 15 is sealed and rotatably connected to the rotary drum top plate 2, and the lower frame 16 is sealed and rotatably connected to the rotary drum bottom plate 4.

[0025] In this embodiment, the middle wind shield plate 3 has the same size as the drum top plate 2 and the drum bottom plate 4. The middle wind shield plate 3 is connected to the drum top plate 2 and the drum bottom plate 4 through connecting pieces to form an integral drum structure.

[0026] An outer windshield 5 is provided on the inner wall of the device housing 1 to surround one side of the middle windshield 3 to cooperate with windshield, an air inlet 6 is provided on the device housing 1 between the middle windshield 3 and the bottom plate 4 of the drum and below the outer windshield 5, an upper opening 2a is provided on the top plate 2 of the drum, and an air outlet 7 is provided on the top of the device housing 1. After the exhaust gas enters through the air inlet 6, it can flow upward along the middle windshield 3 under the action of the outer windshield 5 and pass through the upper opening 2a and be discharged from the air outlet 7.

[0027] In this embodiment, the connecting member includes eight inner connecting frames 17 and eight outer connecting frames 18. The eight inner connecting frames 17 are divided into two layers, four in each layer. The upper inner connecting frame 17 is arranged inside the upper opening 2a of the drum top plate 2 and connected to the middle wind shield 3. The upper inner connecting frame 17 corresponds to the lower inner connecting frame 17 in the upper and lower layers. The lower inner connecting frame 17 connects the middle wind shield 3 and the drum bottom plate 4. The eight outer connecting frames 18 are divided into two layers, four in each layer. The upper outer connecting frame 18 is connected to the edge of the drum top plate 2 and the middle wind shield 3. The upper outer connecting frame 18 corresponds to the lower outer connecting frame 18 in the upper and lower layers. The lower outer connecting frame 18 is connected to the edge of the middle wind shield 3 and the drum bottom plate 4.

[0028] A plurality of lamp tubes 8 are arranged in the housing 1 of the device. The lamp tubes 8 pass through the middle windshield plate 3 and are respectively connected to the drum top plate 2 and the drum bottom plate 4 at both ends. The lamp tubes 8 are seamlessly connected to the drum bottom plate 4. The lamp tubes 8 are connected to the middle windshield plate 3 and the drum top plate 2 via a limiting gasket 9. The specific structure of the limiting gasket 9 is as follows: Figure 3 As shown, it is mainly used to realize the positioning and installation of the lamp tube 8 and the water permeability function. Figure 3 The limiting gasket 9 includes a rubber ring 9a and four limiting parts 9b. The rubber ring 9a is used to seal with the middle wind shield plate 3 or the drum top plate 2. The four limiting parts 9b are used to install and position the lamp tube 8. There is a gap between the lamp tube 8 and the limiting parts 9b to form a water-permeable hole 10. The design of the limiting gasket 9 allows water to flow through the drum top plate 2 and the middle wind shield plate 3 and flow down along the outer wall of the lamp tube 8 to clean the lamp tube 8. It should be noted that after the exhaust gas is introduced, a very small flow of gas will flow upward through the limiting gasket 9, but the flow of the limiting gasket 9 is basically negligible compared with the total flow, and the main flow path of the exhaust gas is Figure 1 As shown by the middle arrow, the flow is upward in an S-shaped bend.

[0029] A hollow rotating shaft 11 is connected to the bottom of the drum bottom plate 4, and the hollow rotating shaft 11 is mounted on the partition 19. The hollow rotating shaft 11 is driven to rotate by a driving mechanism, and the driving mechanism includes a motor 20 and a transmission belt 21 connecting the motor 20 and the hollow rotating shaft 11. The hollow rotating shaft 11 can drive the entire drum structure to rotate, and can also be used to discharge the cleaning accumulated liquid.

[0030] The bottom of the device housing 1 is filled with washing water to form a washing water tank 12. The partition 19 is located above the washing water tank 12. The accumulated liquid through the hollow rotating shaft 11 can flow back into the washing water tank 12. The washing water tank 12 is connected to a circulating spray pipeline 13 through a circulating water pump 22. The circulating spray pipeline 13 is arranged above the drum top plate 2 and is used to wash the exhaust gas and the lamp tube 8. The circulating spray pipeline 13 includes four spray pipes arranged in parallel. The length of each spray pipe projected on the lower drum top plate 2 exceeds the edge of the drum top plate 2 to achieve sufficient spraying.

[0031] A microwave power source 14 is provided on the top of the device housing 1 for exciting the lamp tube 8 with microwaves to emit light.

[0032] When the present embodiment is working, the washing water in the washing water tank 12 is pumped to the circulating spray pipeline 13 by the circulating water pump 22 and sprayed out, the tail gas is sent in through the air inlet 6, photolyzed through the lamp tube 8, and washed by the sprayed washing water, and the treated tail gas is discharged from the air outlet 7. During the treatment process, the motor 20 drives the hollow shaft 11 to rotate through the transmission belt 21, and then drives the drum structure to rotate, the lamp tube 8 is always in a rotating state, the lamp tube 8 that has treated the exhaust gas rotates to the bottom of the circulating spray pipeline 13 for cleaning, the washing water passes through the limit gasket 9 on the drum top plate 2 and the middle wind shield plate 3, flows down along the outer wall of the lamp tube 8, and the accumulated liquid flows back to the washing water tank 12 through the hollow shaft 11, and is used for circulating spraying, and the washed lamp tube 8 continues to rotate to the air inlet 6 to treat the tail gas.

[0033] Of course, the above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any modifications made according to the spirit of the main technical solution of the utility model should be included in the protection scope of the utility model.

Claims

1. A rotary drum type photolysis self-cleaning tail gas deodorization device, characterized in that: The device comprises a housing (1), wherein a rotating drum top plate (2), an intermediate wind shield plate (3), and a rotating drum bottom plate (4) are sequentially arranged in the housing (1) from top to bottom, the rotating drum top plate (2), the rotating drum bottom plate (4) and the inner wall of the housing (1) are sealed and rotatably connected, the intermediate wind shield plate (3) is respectively connected to the rotating drum top plate (2) and the rotating drum bottom plate (4) via a connecting piece, and an outer wind shield plate (5) is arranged on the inner wall of the housing (1) and surrounds one side of the intermediate wind shield plate (3) to cooperate with wind shielding; an air inlet (6) is arranged on the housing (1) between the intermediate wind shield plate (3) and the rotating drum bottom plate (4), an upper opening (2a) is arranged on the rotating drum top plate (2), and an air outlet (7) is arranged on the top of the housing (1), and exhaust gas can flow upward along the intermediate wind shield plate (3) and pass through the upper opening (2a) to be discharged from the air outlet (7) after entering through the air inlet (6); A plurality of light tubes (8) are arranged in the housing (1) of the device. The light tubes (8) pass through the middle wind shield plate (3) and are respectively connected at both ends to the top plate (2) and the bottom plate (4) of the rotating drum. The light tubes (8) are seamlessly connected to the bottom plate (4) of the rotating drum. The light tubes (8) are connected to the middle wind shield plate (3) and the top plate (2) of the rotating drum via a limiting gasket (9). A water-permeable hole (10) is provided between the limiting gasket (9) and the light tubes (8). The bottom of the drum bottom plate (4) is connected to a hollow rotating shaft (11), which is driven to rotate by a driving mechanism; the bottom of the device housing (1) is filled with washing water to form a washing water tank (12), the washing water tank (12) is connected to a circulating spray pipeline (13), the circulating spray pipeline (13) is arranged above the drum top plate (2), and is used to wash the exhaust gas and the lamp tube (8); the washing water flows down along the lamp tube (8) through the water permeable hole (10), and the accumulated liquid flows back to the washing water tank (12) through the hollow rotating shaft (11); the device housing (1) is provided with a microwave power supply (14) for microwave excitation of the lamp tube (8) to emit light.

2. A rotary drum type photolysis self-cleaning tail gas deodorization device according to claim 1, characterized in that: An upper frame (15) and a lower frame (16) are provided on the inner wall of the device housing (1), and the upper and lower frames are respectively in sealing rotational cooperation with the top plate (2) and the bottom plate (4) of the rotating drum.

3. A rotary drum type photolysis self-cleaning tail gas deodorization device according to claim 1, characterized in that: The connecting member comprises a plurality of inner connecting frames (17) and a plurality of outer connecting frames (18), wherein the plurality of inner connecting frames (17) are divided into two layers, the upper inner connecting frame (17) is arranged on the inner side of the upper opening (2a) of the drum top plate (2) and connected to the middle wind shield plate (3), the upper inner connecting frame (17) corresponds to the lower inner connecting frame (17) in the upper and lower directions, and the lower inner connecting frame (17) connects the middle wind shield plate (3) and the drum bottom plate (4); and the plurality of outer connecting frames (18) are divided into two layers, the upper outer connecting frame (18) is connected to the edge position of the drum top plate (2) and the middle wind shield plate (3), the upper outer connecting frame (18) corresponds to the lower outer connecting frame (18) in the upper and lower directions, and the lower outer connecting frame (18) is connected to the edge position of the middle wind shield plate (3) and the drum bottom plate (4).

4. A rotary drum type photolysis self-cleaning tail gas deodorization device according to claim 1, characterized in that: The air inlet (6) is arranged below the outer wind shield plate (5).

5. A rotary drum type photolysis self-cleaning tail gas deodorization device according to claim 1, characterized in that: The limiting gasket (9) comprises a rubber ring (9a) and a limiting portion (9b); the rubber ring (9a) is used to seal and fit with the middle windshield (3) or the drum top plate (2); the limiting portion (9b) has a plurality of portions and is used to install and position the lamp tube (8); a gap is provided between the lamp tube (8) and the limiting portion (9b) to form the water permeable hole (10).

6. A rotary drum type photolysis self-cleaning tail gas deodorization device according to claim 1, characterized in that: A partition (19) is provided above the washing water tank (12) in the device housing (1), and the hollow rotating shaft (11) is mounted on the partition (19). The driving mechanism comprises a motor (20) and a transmission belt (21) connecting the motor (20) and the hollow rotating shaft (11).

7. A rotary drum type photolysis self-cleaning tail gas deodorization device according to claim 1, characterized in that: The circulating spray pipeline (13) is connected to the washing water tank (12) via a circulating water pump (22). The circulating spray pipeline (13) comprises a plurality of spray pipes arranged in parallel. The length of each spray pipe projected onto the lower drum top plate (2) exceeds the edge of the drum top plate (2) to achieve sufficient spraying.

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