A microwave plasma hazardous waste treatment device

Abstract

This utility model relates to the field of hazardous waste treatment technology and discloses a microwave plasma hazardous waste treatment device, including a treatment box. A fixed column is fixed to the top of the inner cavity of the treatment box, and multiple stirring columns are fixed to the bottom of the fixed column. By setting a rotatable filter barrel with through holes and integrating stirring columns and a microwave plasma treatment device inside it, combined with the coordinated drive of a servo motor, gear transmission structure and servo electric cylinder, the entire closed-loop treatment process of hazardous waste in the treatment box, including synchronous feeding, stirring, solid-liquid separation, microwave plasma pyrolysis and residue discharge, is realized. This structure not only improves the solid-liquid separation efficiency, but also optimizes the microwave plasma treatment environment, avoids the problem of wet waste affecting plasma excitation efficiency, effectively shortens the treatment time, reduces intermediate links, reduces energy consumption, and significantly improves the safety and automation level of hazardous waste treatment.

Description

Technical Field

[0001] This utility model relates to the field of hazardous waste treatment technology, specifically to a microwave plasma hazardous waste treatment device. Background Technology

[0002] With the acceleration of industrialization, the types of hazardous waste are increasing, including chemical waste residue, pharmaceutical waste liquid, electroplating sludge, etc. These wastes contain a large number of toxic, harmful, volatile and difficult-to-degrade organic or inorganic components. If not handled properly, they will pose a serious threat to the ecological environment and human health.

[0003] In recent years, microwave plasma technology has been widely used for the efficient treatment of hazardous waste due to its advantages such as high reaction temperature, high thermal efficiency, and low pollution. However, current microwave plasma treatment equipment generally suffers from problems such as complex structure, unreasonable feeding methods, and inability to achieve simultaneous solid-liquid separation, resulting in low equipment operating efficiency. Furthermore, hazardous waste often requires complex pretreatment steps before entering plasma treatment, making it inconvenient to use.

[0004] Therefore, it is necessary to design a microwave plasma hazardous waste treatment device to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a microwave plasma hazardous waste treatment device to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a microwave plasma hazardous waste treatment device, comprising a treatment box, a fixed column fixedly connected to the top of the inner cavity of the treatment box, a plurality of stirring columns fixedly connected to the bottom end of the fixed column, a rotating plate rotatably connected to the outer surface of the fixed column via bearings, a gear fixedly connected to the bottom of the rotating plate, and two symmetrical connecting columns fixedly connected to the bottom of the gear, with a connecting block fixedly connected to the bottom ends of the two connecting columns, and a filter bucket fixedly connected to both ends of the connecting block, a servo motor fixedly connected to the top of the treatment box, a rotating shaft fixedly connected to the output shaft of the servo motor, another gear fixedly sleeved on the outer surface of the rotating shaft, the two gears meshing, a servo electric cylinder fixedly connected to the bottom of the inner cavity of the treatment box, a rotating connecting plate rotatably connected to the top of the servo electric cylinder via bearings, a fixed block fixedly connected to the top of the rotating connecting plate, an insert ring fixedly sleeved on the top of the fixed block, and a microwave plasma device fixedly embedded on the top of the fixed block, and an air outlet opened on the outer surface of the treatment box.

[0007] Preferably, the filter barrel has openings at both the top and bottom, and the outer surface of the insert ring is in contact with the inner wall of the bottom end of the filter barrel.

[0008] Preferably, the bottom of the processing box has two symmetrical discharge ports, and the top of the processing box has a feed port, with the bottom of the feed port located above the top of the inner cavity of the filter barrel.

[0009] Preferably, both gears are rotatably connected to the top of the filter barrel, and both gears are rotatably positioned on one side of the feed inlet inside the processing box.

[0010] Preferably, the plurality of stirring columns are rotatably disposed inside the filter barrel, and the top end of the insert ring is slidably inserted into the bottom of the filter barrel, and the top end of the insert ring is provided with an arc-shaped surface.

[0011] Preferably, the bottom end of the fixed column is slidably inserted into the interior of the connecting block, and the filter bucket is rotatably disposed inside the processing box, with a gap formed between the outer surface of the filter bucket and the inner wall of the processing box.

[0012] The technical solution provided by this utility model has the following advantages compared with the prior art:

[0013] This invention features a rotatable filter bucket with perforations, integrating a stirring column and a microwave plasma treatment device within it. Combined with the coordinated drive of a servo motor, gear transmission structure, and servo electric cylinder, it achieves a closed-loop process for the synchronous feeding, stirring, solid-liquid separation, microwave plasma pyrolysis, and residue discharge of hazardous waste within the treatment tank. This structure not only improves solid-liquid separation efficiency but also optimizes the microwave plasma treatment environment, avoiding the problem of wet waste affecting plasma excitation efficiency. It effectively shortens processing time, reduces intermediate steps, lowers energy consumption, and significantly enhances the safety and automation level of hazardous waste treatment. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is an exploded view of the processing box structure of this utility model;

[0016] Figure 3 This is an exploded view of the filter barrel structure of this utility model;

[0017] In the diagram: 1. Processing box; 2. Servo motor; 3. Feed inlet; 4. Air outlet; 5. Discharge outlet; 6. Fixed column; 7. Rotating shaft; 8. Rotating plate; 9. Gear; 10. Connecting block; 11. Filter barrel; 12. Fixed block; 13. Rotating connecting plate; 14. Servo electric cylinder; 15. Microwave plasma device; 16. Inserting ring; 17. Stirring column; 18. Connecting column. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0019] Obviously, many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] Please see Figure 1-3 This utility model provides a microwave plasma hazardous waste treatment device, including a treatment box 1. A fixed column 6 is fixedly connected to the top of the inner cavity of the treatment box 1. Multiple stirring columns 17 are fixedly connected to the bottom end of the fixed column 6. A rotating plate 8 is rotatably connected to the outer surface of the fixed column 6 via bearings. A gear 9 is fixedly connected to the bottom of the rotating plate 8, and two symmetrical connecting columns 18 are fixedly connected to the bottom of the gear 9. A connecting block 10 is fixedly connected to the bottom ends of the two connecting columns 18. A filter bucket 11 is fixedly connected to both ends of the connecting block 10. A servo motor 2 is fixedly connected to the top of the treatment box 1. A rotating shaft 7 is fixedly connected to the output shaft of the servo motor 2. Another gear 9 is fixedly sleeved on the outer surface of the rotating shaft 7. The two gears 9 mesh with each other. A servo electric cylinder 14 is fixedly connected to the bottom of the inner cavity of the treatment box 1. A rotating connecting plate 13 is rotatably connected to the top of the servo electric cylinder 14 via bearings. A fixed block 12 is fixedly connected to the top of the rotating connecting plate 13. A filter bucket 11 is fixedly sleeved at the top of the fixed block 12. The filter canister 11 has an embedded ring 16 and a microwave plasma device 15 is fixedly embedded at the top of the fixed block 12. The outer surface of the processing box 1 has an air outlet 4. When hazardous waste enters the filter canister 11, the servo motor 2 is turned on and the meshing of two gears 9 causes the connecting block 10 to drive the filter canister 11 to rotate. The fixed block 12 and the filter canister 11 rotate synchronously through the connection of the rotating connecting plate 13. The multiple stirring columns 17 are fixed and contact the hazardous waste with the rotating stirring columns 17 to achieve solid-liquid separation. The solids are left inside the filter canister 11 and microwave plasma treatment is performed by the microwave plasma device 15. The liquid is discharged first. After the solid waste is treated, the servo cylinder 14 is retracted to make the embedded ring 16 leave the bottom of the filter canister 11, thereby discharging the residue of the solid waste treatment. During the treatment, the gas can be discharged through the rotating shaft 7 and connected to the gas treatment device. Through the above work, the treatment efficiency of hazardous waste is improved.

[0021] To facilitate solid-liquid separation, the filter barrel 11 has openings at both the top and bottom, and the outer surface of the insert ring 16 is in contact with the inner wall of the bottom end of the filter barrel 11.

[0022] To facilitate the sequential discharge of liquid and residue after solid-liquid separation, the bottom of the processing tank 1 is provided with two symmetrical discharge ports 5, and the top of the processing tank 1 is provided with a feed port 3, with the bottom end of the feed port 3 located above the top of the inner cavity of the filter barrel 11.

[0023] To facilitate the rotation of the filter barrel 11, both gears 9 are rotatably connected to the top of the filter barrel 11, and both gears 9 are rotatably positioned on one side of the feed inlet 3 inside the processing box 1.

[0024] To facilitate the stirring of hazardous waste entering the filter barrel 11 and to facilitate solid-liquid separation, multiple stirring columns 17 are rotatably arranged inside the filter barrel 11, and the top end of the insert ring 16 is slidably inserted into the bottom of the filter barrel 11, and the top end of the insert ring 16 is provided with an arc-shaped surface.

[0025] Furthermore, in order to further improve the solid-liquid separation of hazardous waste, the bottom end of the fixed column 6 is slidably inserted into the interior of the connecting block 10, and the filter bucket 11 is rotatably disposed inside the treatment box 1, with a gap formed between the outer surface of the filter bucket 11 and the inner wall of the treatment box 1.

[0026] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0027] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0028] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A microwave plasma hazardous waste treatment apparatus comprising a treatment chamber (1), characterized in that: A fixed column (6) is fixedly connected to the top of the inner cavity of the processing box (1). Multiple stirring columns (17) are fixedly connected to the bottom of the fixed column (6). A rotating plate (8) is rotatably connected to the outer surface of the fixed column (6) via a bearing. A gear (9) is fixedly connected to the bottom of the rotating plate (8), and two symmetrical connecting columns (18) are fixedly connected to the bottom of the gear (9). A connecting block (10) is fixedly connected to the bottom of both connecting columns (18). A filter bucket (11) is fixedly connected to both ends of the connecting block (10). A servo motor (2) is fixedly connected to the top of the processing box (1). The servo motor (2)... The output shaft is fixedly connected to a rotating shaft (7), and another gear (9) is fixedly sleeved on the outer surface of the rotating shaft (7). The two gears (9) mesh with each other. A servo electric cylinder (14) is fixedly connected to the bottom of the inner cavity of the processing box (1). A rotating connecting plate (13) is rotatably connected to the top of the servo electric cylinder (14) through a bearing. A fixing block (12) is fixedly connected to the top of the rotating connecting plate (13). A retaining ring (16) is fixedly sleeved on the top of the fixing block (12). A microwave plasma device (15) is fixedly embedded on the top of the fixing block (12). An air outlet (4) is opened on the outer surface of the processing box (1).

2. A microwave plasma hazardous waste treatment apparatus as defined in claim 1 wherein: The filter barrel (11) has openings at both the top and bottom, and the outer surface of the insert ring (16) is in contact with the inner wall of the bottom end of the filter barrel (11).

3. A microwave plasma hazardous waste treatment apparatus as defined in claim 1 wherein: The bottom of the processing box (1) has two symmetrical discharge ports (5), and the top of the processing box (1) has a feed port (3), and the bottom end of the feed port (3) is located above the top of the inner cavity of the filter barrel (11).

4. The microwave plasma hazardous waste treatment equipment according to claim 1, characterized in that: Both gears (9) are rotatably connected to the top of the filter barrel (11), and both gears (9) are rotatably positioned on one side of the feed inlet (3) inside the processing box (1).

5. A microwave plasma hazardous waste treatment apparatus as defined in claim 1 wherein: Multiple stirring columns (17) are rotatably disposed inside the filter barrel (11), and the top end of the insert ring (16) is slidably inserted into the bottom of the filter barrel (11), and the top end of the insert ring (16) is provided with an arc-shaped surface.

6. A microwave plasma hazardous waste treatment apparatus as defined in claim 1 wherein: The bottom end of the fixed column (6) is slidably inserted into the inside of the connecting block (10), and the filter barrel (11) is rotatably disposed inside the processing box (1), with a gap formed between the outer surface of the filter barrel (11) and the inner wall of the processing box (1).

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