Waste plastic thermal cracking waste gas filtering treatment device
By designing a waste plastic thermal cracking waste gas filtration and treatment device including a first filter box and a second filter box, the combination of alkaline filtrate and a stirring rod is used to achieve efficient filtration of waste gas, and the design of pull plates and telescopic components is facilitated to maintain the filtration equipment, and the problems of poor processing effect and inconvenient maintenance of existing devices are solved.
Patent Information
- Application Number
- CN202421811389.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-29
AI Technical Summary
The existing waste plastic thermal cracking waste gas filtration treatment device has poor treatment effect and is inconvenient for maintenance of the filtration equipment.
A device including a first filter box and a second filter box is designed. An alkaline filtrate is provided in the first filter box, and the stirring rod is driven by a motor to fully react with the filtrate. The reaction gas enters the second filter box through the gas pipe and is secondary filtered through the filter net and the filter element. At the same time, through the design of pull-out plates and telescopic components, the disengagement and maintenance of the filter frame are facilitated.
It improves the treatment effect of exhaust gas and simplifies the maintenance and replacement of filter equipment, making the operation simple and convenient.
Smart Images

Figure CN222943198U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic thermal cracking waste gas treatment, and more specifically, to a waste plastic thermal cracking waste gas filtering and treatment device. Background Art
[0002] With the development of society and the progress of science and technology, various plastic products have entered various fields of social life and played a huge role, but the amount of plastic waste is increasing day by day, causing white pollution. At present, the main method for chemical recycling of waste plastics is cracking and oiling, that is, decomposing macromolecules into small molecules under the action of heat energy or catalysts. The methods used are thermal cracking and catalytic cracking, and various hydrocarbon products including gasoline and paraffin can be obtained in the end, realizing the resource recycling of plastic products. However, the existing waste plastic thermal cracking exhaust gas filtration treatment device has poor treatment effect on exhaust gas, and it is inconvenient to maintain the filtration equipment. Utility Model Content
[0003] (1) Technical issues to be solved
[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a waste plastic thermal cracking exhaust gas filtering and processing device, which has the characteristics of good exhaust gas processing effect and convenient maintenance of the filtering equipment.
[0005] (2) Technical solution
[0006] To achieve the above-mentioned purpose, the utility model provides a waste plastic thermal cracking exhaust gas filtering and processing device, comprising a first filter box, a fixing seat is fixedly connected to the inner wall of the first filter box, an air intake pipe is fixedly connected to the fixing seat, an alkaline filtrate is arranged inside the first filter box, one end of the air intake pipe is arranged inside the alkaline filtrate, a bearing is arranged on the top of the first filter box, and a rotating shaft is passed through the inside of the bearing, a stirring rod is fixedly connected to the surface of the rotating shaft, a fixing frame is fixedly connected to the top of the first filter box, a motor is fixedly connected to the fixing frame, an output end of the motor is fixedly connected to the top end of the rotating shaft, a support frame is fixedly connected to the side of the first filter box, a second filter box is fixedly connected to the top of the support frame, and the side of the first filter box is fixedly connected to the side of the second filter box through the air supply pipe;
[0007] The relative inner walls of the second filter box are provided with movable grooves, a filter frame is movably connected inside the movable groove, the same filter screen is fixedly connected to the relative inner walls of the filter frame, the number of the filter screens is two, a filter core (17) is arranged between the two filter screens, a mounting plate is fixedly connected to the top of the filter frame, a mounting opening is provided at the top of the second filter box, the mounting plate is movably connected inside the mounting opening, a clamping groove is provided on the relative inner walls of the mounting opening, grooves are provided on two side surfaces of the mounting plate, a telescopic component is fixedly connected to the inner wall of the groove, one end of the telescopic component is fixedly connected to a movable block, a trapezoidal clamping block is fixedly connected to the surface of the movable block, one end of the trapezoidal clamping block is clamped in the inside of the clamping groove, a rectangular through hole is provided at the top of the mounting plate, a connecting block is fixedly connected to the top of the movable block, and a pull plate is fixedly connected to the connecting block through the rectangular through hole.
[0008] When the waste plastic thermal cracking exhaust gas filtering and treatment device of the present technical solution is used, the exhaust gas is input into the interior of the first filter box through the air inlet pipe, so that the motor drives the rotating shaft to rotate, and the rotating shaft drives the stirring rod to rotate, so that the exhaust gas and the alkaline filtrate are fully reacted, and the gas after the reaction is completed enters the interior of the second filter box through the air supply pipe, and is discharged after being filtered by the filter screen and the filter element. The treatment effect of the exhaust gas is improved through secondary filtration, and by pulling the pull plate, under the elastic force of the telescopic component, the pull plate pulls the movable block to move, so that the movable block drives the trapezoidal card block to disengage from the card slot, and at the same time, the pull plate is pulled upward, so that the pull plate drives the filter frame to move through the mounting plate, so that the filter frame is separated from the second filter box, which is convenient for maintenance or replacement of the filter screen and the filter element, and the operation is simple and convenient.
[0009] Furthermore, a drainage pipe is fixedly connected to the side of the first filter box, a valve is provided on the drainage pipe, and an infusion pipe is fixedly connected to the top of the first filter box, and a sealing cover is provided on the top of the infusion pipe.
[0010] Furthermore, the telescopic assembly includes a telescopic rod, a spring is movably sleeved on the surface of the telescopic rod, one end of the telescopic rod and the spring are fixedly connected to the inner wall of the groove, and the other end of the telescopic rod and the spring are fixedly connected to the movable block.
[0011] Furthermore, an exhaust pipe is fixedly connected to a side surface of the second filter box.
[0012] Furthermore, a handle is fixedly connected to the top of the mounting plate.
[0013] (3) Beneficial effects
[0014] In summary, the utility model has the following beneficial effects:
[0015] 1. The waste plastic thermal cracking waste gas filtering and processing device is provided with a first filter box, a motor, a second filter box, a filter screen and a filter element, and the waste gas is input into the interior of the first filter box through an air inlet pipe, so that the motor drives the rotating shaft to rotate, and the rotating shaft drives the stirring rod to rotate, so that the waste gas and the alkaline filtrate are fully reacted, and the gas after the reaction is completed enters the interior of the second filter box through the air delivery pipe, and is discharged after being filtered through the filter screen and the filter element, and the treatment effect of the waste gas is improved through secondary filtration;
[0016] 2. The waste plastic thermal cracking exhaust gas filtering and processing device is provided with a pull plate, a telescopic component and a trapezoidal block. By pulling the pull plate, under the elastic force of the telescopic component, the pull plate pulls the movable block to move, so that the movable block drives the trapezoidal block to disengage from the slot. At the same time, the pull plate is pulled upward, so that the pull plate drives the filter frame to move through the mounting plate, so that the filter frame is separated from the second filter box, which is convenient for maintenance or replacement of the filter screen and the filter element, and the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 It is a structural schematic diagram of the utility model in front view section;
[0019] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of the middle part A;
[0020] Figure 3 It is an enlarged structural schematic diagram of the telescopic component in the utility model;
[0021] Figure 4 It is a structural schematic diagram of the utility model in a front view.
[0022] The symbols in the accompanying drawings are:
[0023] 1. First filter box; 2. Air inlet pipe; 3. Fixed seat; 4. Alkaline filtrate; 5. Fixed frame; 6. Motor; 7. Rotating shaft; 8. Stirring rod; 9. Drain pipe; 10. Valve; 11. Air pipe; 12. Second filter box; 13. Support frame; 14. Movable groove; 15. Filter frame; 16. Filter screen; 17. Filter element; 18. Mounting plate; 19. Groove; 20. Mounting port; 21. Telescopic assembly; 211. Telescopic rod; 212. Spring; 22. Movable block; 23. Trapezoidal block; 24. Slot; 25. Sealing pad; 26. Rectangular through hole; 27. Connecting block; 28. Pull plate; 29. Handle. DETAILED DESCRIPTION
[0024] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.
[0025] Example:
[0026] The following is combined with Figure 1-4 The utility model is described in further detail.
[0027] See also Figure 1-4 The utility model provides a technical solution: a waste plastic pyrolysis exhaust gas filtering and processing device, comprising a first filter box 1, a fixing seat 3 is fixedly connected to the inner wall of the first filter box 1, an air intake pipe 2 is fixedly connected to the fixing seat 3, an alkaline filtrate 4 is arranged inside the first filter box 1, one end of the air intake pipe 2 is arranged inside the alkaline filtrate 4, a bearing is arranged on the top of the first filter box 1, and a rotating shaft 7 is passed through the bearing, a stirring rod 8 is fixedly connected to the surface of the rotating shaft 7, a fixing frame 5 is fixedly connected to the top of the first filter box 1, a motor 6 is fixedly connected to the fixing frame 5, an output end of the motor 6 is fixedly connected to the top end of the rotating shaft 7, and the side of the first filter box 1 is fixed A support frame 13 is connected, and a second filter box 12 is fixedly connected to the top of the support frame 13. The side of the first filter box 1 is fixedly connected to the side of the second filter box 12 through the air pipe 11. By setting the first filter box 1, the motor 6, the second filter box 12, the filter screen 16 and the filter element 17, the exhaust gas is input into the interior of the first filter box 1 through the air inlet pipe 2, so that the motor 6 drives the rotating shaft 7 to rotate, and the rotating shaft 7 drives the stirring rod 8 to rotate, so that the exhaust gas and the alkaline filtrate 4 are fully reacted, and the gas after the reaction is completed enters the interior of the second filter box 12 through the air pipe 11, and is discharged after being filtered by the filter screen 16 and the filter element 17, so that the treatment effect of the exhaust gas is improved through secondary filtration;
[0028] The second filter box 12 has movable grooves 14 on the opposite inner walls thereof, a filter frame 15 is movably connected inside the movable grooves 14, a filter screen 16 is fixedly connected to the opposite inner wall of the filter frame 15, two filter screens 16 are provided, a filter element 17 is arranged between the two filter screens 16, a mounting plate 18 is fixedly connected to the top of the filter frame 15, a mounting opening 20 is provided on the top of the second filter box 12, the mounting plate 18 is movably connected to the inside of the mounting opening 20, a card slot 24 is provided on the opposite inner wall of the mounting opening 20, grooves 19 are provided on both side surfaces of the mounting plate 18, a telescopic component 21 is fixedly connected to the inner wall of the groove 19, a movable block 22 is fixedly connected to one end of the telescopic component 21, and a surface of the movable block 22 is fixedly connected to A trapezoidal block 23 is provided, one end of which is clamped in the slot 24. A rectangular through hole 26 is provided on the top of the mounting plate 18. A connecting block 27 is fixedly connected to the top of the movable block 22. A pull plate 28 is fixedly connected to the connecting block 27 through the rectangular through hole 26. The pull plate 28, the telescopic assembly 21 and the trapezoidal block 23 are provided. By pulling the pull plate 28, under the elastic force of the telescopic assembly 21, the pull plate 28 pulls the movable block 22 to move, so that the movable block 22 drives the trapezoidal block 23 out of the slot 24. At the same time, the pull plate 28 is pulled upward, so that the pull plate 28 drives the filter frame 15 to move through the mounting plate 18, so that the filter frame 15 is out of the second filter box 12, so that the filter screen 16 and the filter element 17 can be maintained or replaced, and the operation is simple and convenient.
[0029] Specifically, a drainage pipe 9 is fixedly connected to the side of the first filter box 1, and a valve 10 is provided on the drainage pipe 9. A liquid infusion pipe is fixedly connected to the top of the first filter box 1, and a sealing cover is provided on the top of the liquid infusion pipe.
[0030] By adopting the above technical solution, by opening the valve 10, the alkaline filtrate 4 can be discharged through the discharge pipe 9, and new alkaline filtrate 4 can be injected through the infusion pipe.
[0031] Specifically, the telescopic assembly 21 includes a telescopic rod 211, a spring 212 is movably sleeved on the surface of the telescopic rod 211, one end of the telescopic rod 211 and the spring 212 are fixedly connected to the inner wall of the groove 19, and the other end of the telescopic rod 211 and the spring 212 are fixedly connected to the movable block 22.
[0032] By adopting the above technical solution, the telescopic component 21 plays the role of telescopic elastic force.
[0033] Specifically, an exhaust pipe is fixedly connected to the side of the second filter box 12 .
[0034] Specifically, a handle 29 is fixedly connected to the top of the mounting plate 18 .
[0035] By adopting the above technical solution, the mounting plate 18 can be easily moved by lifting the handle 29 .
[0036] The working principle of the utility model is:
[0037] When the utility model is in use, firstly, the external power supply is connected, and the motor 6 is started through the external switch, and the exhaust gas is input into the interior of the first filter box 1 through the air inlet pipe 2, so that the motor 6 drives the rotating shaft 7 to rotate, and the rotating shaft 7 drives the stirring rod 8 to rotate, so that the exhaust gas and the alkaline filtrate 4 are fully reacted, and the gas after the reaction is completed enters the interior of the second filter box 12 through the air supply pipe 11, and is discharged after being filtered by the filter screen 16 and the filter element 17, so that the exhaust gas can be processed. When it is necessary to maintain or replace the filter screen 16 and the filter element 17, by pulling the two pull plates 28, under the elastic force of the telescopic component 21, the pull plates 28 pull the movable block 22 to move, so that the movable block 22 drives the trapezoidal block 23 to disengage from the card slot 24, and at the same time, the two pull plates 28 are pulled upward, so that the pull plates 28 drive the filter frame 15 to move through the mounting plate 18, so that the filter frame 15 is separated from the movable slot 14 and the second filter box 12, and the filter frame 15 can be disassembled, and the filter screen 16 and the filter element 17 can be maintained or replaced.
[0038] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.
Claims
1. A waste plastic pyrolysis exhaust gas filtering and treatment device, comprising a first filter box (1), characterized in that: A fixing seat (3) is fixedly connected to the inner wall of the first filter box (1), and an air intake pipe (2) is fixedly connected to the fixing seat (3). An alkaline filtrate (4) is arranged inside the first filter box (1), and one end of the air intake pipe (2) is arranged inside the alkaline filtrate (4). A bearing is arranged on the top of the first filter box (1), and a rotating shaft (7) is passed through the inside of the bearing. A stirring rod (8) is fixedly connected to the surface of the rotating shaft (7). A fixing frame (5) is fixedly connected to the top of the first filter box (1), and a motor (6) is fixedly connected to the fixing frame (5). The output end of the motor (6) is fixedly connected to the top of the rotating shaft (7). A support frame (13) is fixedly connected to the side of the first filter box (1), and the top of the support frame (13) is fixedly connected to the second filter box (12). The side of the first filter box (1) is fixedly connected to the side of the second filter box (12) through the air supply pipe (11). The second filter box (12) is provided with movable grooves (14) on the relative inner walls, a filter frame (15) is movably connected inside the movable groove (14), a filter screen (16) is fixedly connected to the relative inner walls of the filter frame (15), two filter screens (16) are provided, a filter core (17) is arranged between the two filter screens (16), a mounting plate (18) is fixedly connected to the top of the filter frame (15), a mounting opening (20) is provided on the top of the second filter box (12), the mounting plate (18) is movably connected inside the mounting opening (20), and the relative inner walls of the mounting opening (20) are provided with movable grooves (14), a filter frame (15) is fixedly connected to the relative inner walls of the filter frame (15), two filter screens (16) are provided, a filter core (17) is arranged between the two filter screens (16), a mounting plate (18) is fixedly connected to the top of the filter frame (15), a mounting opening (20) is provided on the top of the second filter box (12), the mounting plate (18) is movably connected inside the mounting opening (20), and the mounting opening (20) is provided with movable grooves (14) on the relative inner walls of the mounting opening (20). A card slot (24) is provided, and grooves (19) are provided on both sides of the mounting plate (18). A telescopic component (21) is fixedly connected to the inner wall of the groove (19), and one end of the telescopic component (21) is fixedly connected to a movable block (22). A trapezoidal card block (23) is fixedly connected to the surface of the movable block (22), and one end of the trapezoidal card block (23) is clamped in the interior of the card slot (24). A rectangular through hole (26) is provided on the top of the mounting plate (18), and a connecting block (27) is fixedly connected to the top of the movable block (22). The connecting block (27) passes through the rectangular through hole (26) and is fixedly connected to a pull plate (28).
2. The waste plastic pyrolysis exhaust gas filtering and treatment device according to claim 1 is characterized in that: A drainage pipe (9) is fixedly connected to the side of the first filter box (1), and a valve (10) is provided on the drainage pipe (9). A liquid infusion pipe is fixedly connected to the top of the first filter box (1), and a sealing cover is provided on the top of the liquid infusion pipe.
3. The waste plastic pyrolysis exhaust gas filtering and treatment device according to claim 1 is characterized in that: The telescopic assembly (21) comprises a telescopic rod (211), a spring (212) being movably sleeved on the surface of the telescopic rod (211), one end of the telescopic rod (211) and the spring (212) being fixedly connected to the inner wall of the groove (19), and the other end of the telescopic rod (211) and the spring (212) being fixedly connected to the movable block (22).
4. The waste plastic pyrolysis exhaust gas filtering and treatment device according to claim 1 is characterized in that: An exhaust pipe is fixedly connected to the side of the second filter box (12).
5. The waste plastic pyrolysis exhaust gas filtering and processing device according to claim 1 is characterized in that: A handle (29) is fixedly connected to the top of the mounting plate (18).