Tail gas absorption device for waste acid treatment

Abstract

The utility model relates to the technical field of waste acid treatment, and discloses a tail gas absorption device during waste acid treatment, which comprises a treatment box and a support frame, a filter screen is arranged in the treatment box, a gas inlet pipe is arranged at one end of the treatment box, a waste liquid collection box is arranged at the lower end of the treatment box, an exhaust pipe is arranged at one end of the treatment box, and an exhaust unit is arranged in the exhaust pipe. A storage box is arranged on one side of the upper end of the treatment box, absorption liquid is arranged in the storage box, a conveying pipe is arranged in the treatment box, the upper end of the conveying pipe is communicated with the storage box, and adsorption cotton slivers are arranged at the lower end of the conveying pipe; the lower ends of the adsorption cotton slivers make contact with the adsorption mechanism. According to the tail gas treatment device, the driving motor and the absorption mechanism are arranged, so that the contact frequency of the absorption screen and waste gas can be effectively increased, harmful substances in tail gas can be better absorbed and purified, and the tail gas treatment reaches a preset standard.

Description

Technical Field

[0001] The utility model relates to the technical field of waste acid treatment, in particular to a tail gas absorption device for waste acid treatment. Background Art

[0002] In industrial manufacturing, acids are usually required as reaction raw materials, media or catalysts. After the reaction, a large amount of waste acid is usually produced after water washing. When the waste acid is treated, tail gas is produced. If it is not treated, it will cause pollution to the environment.

[0003] In the existing tail gas absorption device, during the treatment process, the absorption device contacts the waste acid tail gas less frequently, which easily leads to unsatisfactory tail gas treatment effect and failure to meet the set treatment standards. Therefore, we propose a tail gas absorption device for waste acid treatment. Utility Model Content

[0004] The main purpose of the utility model is to provide a tail gas absorption device for waste acid treatment, which can effectively solve the technical problems in the background technology.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a tail gas absorption device for waste acid treatment, including a treatment box and a support frame, a filter screen is provided inside the treatment box, an air inlet pipe is provided at one end of the treatment box, a waste liquid collection box is provided at the lower end of the treatment box, an exhaust pipe is provided at one end of the treatment box, an exhaust fan unit is provided inside the exhaust pipe, a driving motor is provided at the upper end of the treatment box, an absorption mechanism is provided inside the treatment box, the upper end of the absorption mechanism is fixedly connected to the driving motor, a storage box is provided on one side of the upper end of the treatment box, absorption liquid is provided inside the storage box, a conveying pipe is provided inside the treatment box, the upper end of the conveying pipe is connected to the storage box, an adsorption cotton strip is provided at the lower end of the conveying pipe, and the lower end of the adsorption cotton strip is in contact with the absorption mechanism.

[0006] Preferably, the absorption mechanism includes a rotating column, which is a cylindrical rod. The upper end of the rotating column is fixedly connected to the driving motor. A rotating plate is provided on the outer surface of the rotating column. A guide groove is provided on the outer side of the rotating plate. An installation groove is provided on the outer side of the guide groove. An absorption screen is provided inside the installation groove. The surface of the absorption screen is provided with gaps for exhaust gas to pass through.

[0007] Preferably, the rotating plate is a rectangular plate, the rotating plate is evenly arranged on the outside of the rotating column, and one end of the rotating plate is fixedly connected to the rotating column.

[0008] Preferably, the guide groove is a semicircular vertical groove, and two adjacent groups of guide grooves are arranged in parallel. By setting the guide grooves, the absorption liquid can be guided into the absorption screen through the guide grooves, thereby increasing the treatment effect of the absorption screen.

[0009] Preferably, the mounting grooves are circular holes, and two groups of mounting grooves adjacent to each other are connected via a guide groove.

[0010] Preferably, the absorption liquid is an alkaline solution or a ferrous oxide solution. By providing the absorption liquid, harmful components of the exhaust gas can be converted into harmless substances.

[0011] Beneficial Effects

[0012] The utility model provides a tail gas absorption device for waste acid treatment, which has the following beneficial effects:

[0013] (1) The exhaust gas absorption device for waste acid treatment can effectively increase the number of times the absorption screen contacts the exhaust gas by setting a driving motor and an absorption mechanism, so that the exhaust gas can fully contact the absorption screen during the treatment process, better absorb and purify harmful substances in the exhaust gas, and make the exhaust gas treatment meet the predetermined standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the implementation mode of the present utility model or the technical solution in the prior art, the drawings required for use in the implementation mode or the description of the prior art will be briefly introduced below.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a cross-sectional schematic diagram of the processing box of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the delivery pipe of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the absorption mechanism of the utility model.

[0019] Legend:

[0020] 1. Processing box; 2. Support frame; 3. Filter; 4. Air inlet pipe; 5. Waste liquid collection box; 6. Exhaust pipe; 7. Exhaust fan unit; 8. Driving motor; 9. Absorption mechanism; 10. Storage box; 11. Absorption liquid; 12. Delivery pipe; 13. Absorption cotton strip; 14. Rotating column; 15. Rotating plate; 16. Guide groove; 17. Installation groove; 18. Absorption screen. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] Example 1: A tail gas absorption device for waste acid treatment, such as Figure 1 - Figure 3As shown, it includes a treatment box 1, which is a hollow shell. The four corners of the lower end of the treatment box 1 are fixedly connected to a support frame 2. A filter screen 3 is arranged inside the treatment box 1. The outer side of the filter screen 3 is fixedly connected to the inner wall of the treatment box 1 by bolts. The filter screen 3 divides the interior of the treatment box 1 into two upper and lower chambers. An air intake pipe 4 is fixedly connected to one end of the outer side of the treatment box 1. A control valve is arranged on the outer side of the air intake pipe 4. The air intake pipe 4 is connected to the interior of the treatment box 1. A waste liquid collection box 5 is fixedly connected to the lower end of the treatment box 1. A waste liquid discharge pipe is fixedly connected to the lower end of the waste liquid collection box 5. An exhaust pipe 6 is arranged at one end of the outer side of the treatment box 1. The exhaust pipe 6 is connected to the cavity inside the treatment box 1 located at the lower end of the filter screen 3. An exhaust fan unit 7 is arranged inside the exhaust pipe 6. A driving motor 8 is arranged in the center of the upper end of the treatment box 1. The driving motor 8 is fixedly connected to the treatment box 1 by bolts. The output end of the driving motor 8 extends to the interior of the treatment box 1. The driving motor 8 is connected to the outside of the external power supply through a wire. The source is linearly connected, an absorption mechanism 9 is arranged inside the processing box 1 relative to the position of the driving motor 8, the upper end of the absorption mechanism 9 is fixedly connected to the output end of the driving motor 8, a storage box 10 is arranged on one side of the upper end of the processing box 1, the storage box 10 is a hollow shell, a liquid injection port is arranged at one end of the outer side of the storage box 10, the lower end of the storage box 10 is fixedly connected to the processing box 1, an absorption liquid 11 is arranged inside the storage box 10, the absorption liquid 11 can be an alkali solution, a ferrous oxide solution, or harmful components in the waste acid tail gas are absorbed and converted into harmless substances, a delivery pipe 12 is arranged inside the processing box 1 relative to the position of the absorption liquid 11, the delivery pipe 12 is a T-shaped pipe, the upper end of the delivery pipe 12 is connected to the inside of the storage box 10, a control valve is arranged on the outside of the delivery pipe 12, and a plurality of groups of adsorption cotton strips 13 are fixedly installed on the lower end of the delivery pipe 12, the upper end of the adsorption cotton strips 13 are connected to the inside of the delivery pipe 12, and the lower end of the adsorption cotton strips 13 is in contact with the absorption mechanism 9.

[0023] Example 2: A tail gas absorption device for waste acid treatment, based on Example 1 Figure 1 - Figure 4 As shown, the absorption mechanism 9 includes a rotating column 14, which is a cylindrical rod. The upper end of the rotating column 14 is fixedly connected to the output end of the driving motor 8. A plurality of rotating plates 15 are evenly arranged along the circumferential direction on the outer surface of the rotating column 14. The rotating plates 15 are rectangular plates. One end of the rotating plates 15 is fixedly connected to the rotating column 14. Guide grooves 16 are vertically arranged at both ends of the outer side of the rotating plate 15. The guide grooves 16 are semicircular grooves. Two adjacent groups of guide grooves 16 are arranged in parallel. Mounting grooves 17 are evenly arranged on the outer side of the guide grooves 16. The mounting grooves 17 are circular holes. The upper and lower adjacent groups of mounting grooves 17 are connected through the guide grooves 16. An absorption screen 18 is arranged inside the mounting groove 17. The outer surface of the absorption screen 18 is provided with pores for exhaust gas to pass through.

[0024] It should be noted that the utility model is a tail gas absorption device for waste acid treatment. When in use, first open the control valve outside the delivery pipe 12, and deliver the absorption liquid 11 inside the storage box 10 along the delivery pipe 12 to the inside of the adsorption cotton strip 13, and then deliver the tail gas to the inside of the treatment box 1 through the air intake pipe 4, and then start the power supply of the drive motor 8 and the exhaust fan unit 7, and the output end of the drive motor 8 drives the rotating plate 15 to rotate through the rotating column 14, and the rotating plate 15 contacts with the adsorption cotton strip 13 during the rotation, and the adsorption cotton strip 13 The internally adsorbed absorption liquid 11 will flow along the guide groove 16, flow into the absorption screen 18 inside the installation groove 17, and be adsorbed on the surface of the absorption screen 18. The rotating plate 15 drives the absorption screen 18 to rotate during the rotation. The absorption screen 18 contacts the exhaust gas inside the treatment box 1 during the rotation, thereby converting the harmful components in the exhaust gas. Finally, the converted waste liquid and exhaust gas are filtered by the filter 3, and the waste liquid falls into the waste liquid collection box 5 for collection. The treated exhaust gas is discharged through the exhaust pipe 6 for the next processing. By setting the drive motor 8 and the absorption mechanism 9, the output end of the drive motor 8 can drive the absorption screen 18 containing the absorption liquid 11 inside the absorption mechanism 9 to rotate and contact the exhaust gas, thereby effectively increasing the number of times the absorption screen 18 contacts the exhaust gas, so that the exhaust gas is fully in contact with the absorption screen 18 during the treatment process, and the harmful substances in the exhaust gas are better absorbed and purified, so that the exhaust gas treatment reaches the predetermined standard.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A tail gas absorption device for waste acid treatment, comprising a treatment box (1) and a support frame (2), wherein a filter screen (3) is provided inside the treatment box (1), an air inlet pipe (4) is provided at one end of the treatment box (1), a waste liquid collection box (5) is provided at the lower end of the treatment box (1), an exhaust pipe (6) is provided at one end of the treatment box (1), an exhaust fan unit (7) is provided inside the exhaust pipe (6), and a driving motor (8) is provided at the upper end of the treatment box (1), characterized in that: An absorption mechanism (9) is provided inside the processing box (1), and the upper end of the absorption mechanism (9) is fixedly connected to the driving motor (8). A storage box (10) is provided on one side of the upper end of the processing box (1), and an absorption liquid (11) is provided inside the storage box (10). A conveying pipe (12) is provided inside the processing box (1), and the upper end of the conveying pipe (12) is connected to the storage box (10). An absorption cotton strip (13) is provided at the lower end of the conveying pipe (12), and the lower end of the absorption cotton strip (13) is in contact with the absorption mechanism (9).

2. The tail gas absorption device for waste acid treatment according to claim 1, characterized in that: The absorption mechanism (9) comprises a rotating column (14), the rotating column (14) being a columnar rod, the upper end of the rotating column (14) being fixedly connected to the driving motor (8), the outer surface of the rotating column (14) being provided with a rotating plate (15), the outer side of the rotating plate (15) being provided with a guide groove (16), the outer side of the guide groove (16) being provided with a mounting groove (17), the interior of the mounting groove (17) being provided with an absorption screen (18), and the surface of the absorption screen (18) being provided with pores through which the exhaust gas can pass.

3. The tail gas absorption device for waste acid treatment according to claim 2, characterized in that: The rotating plate (15) is a rectangular plate. The rotating plate (15) is evenly arranged outside the rotating column (14). One end of the rotating plate (15) is fixedly connected to the rotating column (14).

4. The tail gas absorption device for waste acid treatment according to claim 2, characterized in that: The guide grooves (16) are semicircular vertical grooves, and two adjacent groups of guide grooves (16) are arranged in parallel.

5. The tail gas absorption device for waste acid treatment according to claim 2, characterized in that: The installation grooves (17) are circular holes, and two groups of installation grooves (17) adjacent to each other are connected via a guide groove (16).

6. The tail gas absorption device for waste acid treatment according to claim 1, characterized in that: The absorption liquid (11) is an alkaline solution or a ferrous oxide solution.

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