Organic waste gas catalytic combustion equipment
By introducing filter boxes, solenoid valves, fans and other components into the organic waste gas catalytic combustion equipment, and using PLC controllers and pressure differential sensors to realize automated waste gas treatment and filter replacement, the problem of low treatment efficiency caused by filter blockage is solved, and the operating efficiency and convenience of the equipment are improved.
Patent Information
- Application Number
- CN202422664970.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-01
AI Technical Summary
The existing organic waste gas catalytic combustion equipment is difficult to clean when the filter is clogged during use, which affects the treatment efficiency. The disassembly and cleaning process is time-consuming and cannot meet the use requirements.
The system is designed with components such as filter box, solenoid valve, fan, exhaust pipe, connecting frame, coarse-pore filter plate, fine-pore filter plate, heat exchanger, catalyst bed, etc. The opening and closing of the solenoid valve are automatically controlled by PLC controller and pressure difference sensor to realize automatic exhaust gas treatment and convenient replacement of filter screen.
It realizes the automated exhaust gas treatment process, reduces downtime, improves treatment efficiency, and uses a buzzer to remind users to replace filters and catalysts to ensure the continuous and efficient operation of the equipment.
Smart Images

Figure CN223425293U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of waste gas treatment, in particular to catalytic combustion equipment for organic waste gas. Background Art
[0002] In daily life, all kinds of furniture used are basically painted. During the painting process, organic waste gas will be generated by the volatilization of organic matter, including benzene, toluene, xylene, hydrocarbons, ethers, esters, aldehydes, phenols, etc. These are also organic waste gases that are harmful to the human body. If discharged into the atmospheric environment, it will cause great harm to people, so the waste gas needs to be treated.
[0003] However, the existing organic waste gas catalytic combustion equipment is not convenient for timely cleaning of clogged filters during use, and a wrench is required during the disassembly process. Cleaning takes a long time, and the equipment needs to be shut down during the cleaning process, which affects the waste gas treatment efficiency and cannot meet the use requirements. Utility Model Content
[0004] The purpose of the present invention is to provide a catalytic combustion device for organic waste gas to solve the above-mentioned deficiencies in the prior art.
[0005] In order to achieve the above-mentioned objectives, the utility model adopts the following technical solutions: catalytic combustion equipment for organic waste gas, including a filter box, the front end and rear sides of the left side of the filter box are connected to a solenoid valve, the front side and rear side of the top of the filter box are plugged into a connecting frame, and the left and right sides of the inner wall of the connecting frame are respectively plugged into a coarse-pore filter plate and a fine-pore filter plate, the front end and rear end of the right side of the filter box are connected to a heat exchanger, and the right side of the heat exchanger is connected to a shell, the top of the shell is plugged into a frame, the inner wall of the frame is fixedly connected to a catalyst bed, the frame and the top of the connecting frame are fixedly connected to a connecting seat, the top of the right side of the shell is fixedly connected to a rectangular plate, the top of the right side of the rectangular plate is fixedly connected to a buzzer, and the bottom of the right side of the rectangular plate is fixedly connected to a PLC controller, and a pressure differential sensor is fixedly connected to the central axis of the front and back of the filter box, and one side of the pressure differential sensor is connected to the filter box through a connecting pipe.
[0006] As a further description of the above technical solution:
[0007] One side of the solenoid valve is connected to an exhaust pipe, one side of the exhaust pipe is connected to a fan, the left side of the fan is connected to an exhaust pipe, the bottom of the fan is fixedly connected to a bracket, and the right side of the bracket is fixedly connected to the filter box.
[0008] As a further description of the above technical solution:
[0009] A motor is fixedly connected to the right side of the top of the filter box and the front side located at the central axis, the output end of the motor is fixedly connected to a screw rod, the surface of the screw rod is threadedly connected to an adjustment seat, the right side of the adjustment seat is fixedly connected to a connecting ring, the inner cavity of the connecting ring is movably connected to a connecting column, the front and back sides of the connecting column are fixedly connected to rectangular rods, and one side of the rectangular rod is fixedly connected to a pin.
[0010] As a further description of the above technical solution:
[0011] The rear side of the inner cavity of the adjustment seat is slidably connected with a sliding rod, and the bottom of the sliding rod is fixedly connected to the filter box.
[0012] As a further description of the above technical solution:
[0013] A sealing ring is fixedly connected to the inner wall of the connecting ring, and the inner surface of the sealing ring is in contact with the connecting column.
[0014] As a further description of the above technical solution:
[0015] An air outlet pipe is connected to the center axis of the right side of the shell, and a partition is fixedly connected to the center axis of the inner wall of the filter box.
[0016] As a further description of the above technical solution:
[0017] The bottom of the right side of the shell is connected with a fixed pipe, and one side of the fixed pipe is movably connected with a control valve.
[0018] The utility model provides a catalytic combustion device for organic waste gas, which has the following beneficial effects:
[0019] 1. The utility model is equipped with a filter box, a solenoid valve, an exhaust pipe, a fan, an exhaust pipe, a bracket, a connecting frame, a coarse-pore filter plate, a fine-pore filter plate, a connecting seat, a heat exchanger, a shell, a frame, a catalyst bed, a buzzer, a PLC controller, a pressure difference sensor and a connecting pipe, which not only facilitates the treatment of exhaust gas, but also when the pressure difference sensor detects that the pressure difference value is too large or when the catalyst bed reaches the replacement time, the PLC controller will open the solenoid valve on the rear side and close the solenoid valve on the front side, thereby treating the exhaust gas through the processing components on the rear side, and will control the buzzer to work to remind the staff.
[0020] 2. The utility model is provided with a motor, a screw rod, an adjustment seat, a connecting ring, a connecting column, a sealing ring, a rectangular rod and a pin, so as to facilitate the upward movement of the corresponding connecting frame and the frame, thereby facilitating the replacement of the coarse-pore filter plate, the fine-pore filter plate or the catalyst bed. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model in the first viewing angle state;
[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model in the second viewing angle state;
[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model in the third viewing angle state;
[0024] Figure 4 This is a schematic diagram of the coarse-pore filter plate structure of the present utility model;
[0025] Figure 5 This is a schematic diagram of the catalyst bed structure of the present utility model.
[0026] 1. Filter box; 2. Solenoid valve; 3. Exhaust pipe; 4. Fan; 5. Exhaust pipe; 6. Bracket; 7. Connecting frame; 8. Coarse-pore filter plate; 9. Fine-pore filter plate; 10. Connecting seat; 11. Motor; 12. Screw rod; 13. Adjusting seat; 14. Connecting ring; 15. Connecting column; 16. Sealing ring; 17. Rectangular rod; 18. Latch; 19. Heat exchanger; 20. Shell; 21. Frame; 22. Catalyst bed; 23. Sliding rod; 24. Rectangular plate; 25. Buzzer; 26. PLC controller; 27. Pressure difference sensor; 28. Connecting pipe; 29. Exhaust pipe. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0028] See also Figure 1-Figure 5 The catalytic combustion equipment of organic waste gas includes a filter box 1, the front end and rear sides of the left side of the filter box 1 are connected to the solenoid valve 2, the front and rear sides of the top of the filter box 1 are plugged with connecting frames 7, and the left and right sides of the inner wall of the connecting frame 7 are respectively plugged with coarse-pore filter plates 8 and fine-pore filter plates 9, the front end and rear end of the right side of the filter box 1 are connected with a heat exchanger 19, the right side of the heat exchanger 19 is connected with a shell 20, the top of the shell 20 is plugged with a frame 21, the inner wall of the frame 21 is fixedly connected with a catalyst bed 22, the frame 21 and the top of the connecting frame 7 are fixedly connected with a connecting seat 10, the top of the right side of the shell 20 is fixedly connected with a rectangular plate 24, the top of the right side of the rectangular plate 24 is fixedly connected with a buzzer 25, and the bottom of the right side of the rectangular plate 24 is fixedly connected with a PLC controller 26. The central axis of the front and back of the filter box 1 is fixedly connected with a pressure differential sensor 27, and one side of the pressure differential sensor 27 is connected to the filter box 1 through a connecting pipe 28.
[0029] One side of the solenoid valve 2 is connected to the exhaust pipe 3, one side of the exhaust pipe 3 is connected to the fan 4, the left side of the fan 4 is connected to the exhaust pipe 5, the bottom of the fan 4 is fixedly connected to the bracket 6, the right side of the bracket 6 is fixedly connected to the filter box 1, the central axis of the right side of the shell 20 is connected to the outlet pipe 29, the central axis of the inner wall of the filter box 1 is fixedly connected to the partition, the bottom of the right side of the shell 20 is connected to a fixed pipe, and one side of the fixed pipe is movably connected to the control valve.
[0030] The specific function of this technical solution is as follows: the replacement time is set by the PLC controller 26, and the solenoid valve 2 on the rear side is closed, the solenoid valve 2 on the front side is opened, and then the fan 4 is started, the gas is drawn in through the exhaust pipe 5, and the gas is discharged to the front side of the inner cavity of the filter box 1 through the exhaust pipe 3, and then the gas is filtered in turn by the coarse-pore filter plate 8 and the fine-pore filter plate 9, and then the gas is preheated by the heat exchanger 19, and then the gas is processed by the catalyst bed 22. The hydrocarbon molecules and the oxygen molecules in the mixed gas are respectively adsorbed on the surface of the catalyst and activated. Since the surface adsorption reduces the activation energy of the reaction, the hydrocarbons and oxygen molecules are rapidly oxidized at a lower temperature to produce carbon dioxide and water, and then the gas is discharged through the outlet pipe 29. When the pressure difference sensor 27 detects that the pressure difference value is too large, or when the catalyst bed 22 reaches the replacement time, the PLC controller 26 will open the solenoid valve 2 on the rear side and close the solenoid valve 2 on the front side, so that the exhaust gas is processed by the processing components on the rear side, and will control the buzzer 25 to work to remind the staff.
[0031] See also Figure 1 、 Figure 2 and Figure 3 A motor 11 is fixedly connected to the right side of the top of the filter box 1 and the front side at the central axis. The output end of the motor 11 is fixedly connected to a screw rod 12. The surface of the screw rod 12 is threadedly connected to an adjustment seat 13. The right side of the adjustment seat 13 is fixedly connected to a connecting ring 14. The inner cavity of the connecting ring 14 is movably connected to a connecting column 15. The front and back sides of the connecting column 15 are fixedly connected to a rectangular rod 17, and one side of the rectangular rod 17 is fixedly connected to a pin 18.
[0032] The rear side of the inner cavity of the adjustment seat 13 is slidably connected with a slide rod 23 , the bottom of the slide rod 23 is fixedly connected to the filter box 1 , the inner wall of the connecting ring 14 is fixedly connected with a sealing ring 16 , and the inner surface of the sealing ring 16 contacts the connecting column 15 .
[0033] The specific function of this technical solution is: move the connecting column 15, the connecting column 15 drives the rectangular rod 17 to move, the rectangular rod 17 drives the pin 18 to move, so that the pin 18 is plugged into the corresponding connecting seat 10, and then the PLC controller 26 controls the motor 11 to work, the motor 11 drives the screw rod 12 to rotate, the screw rod 12 drives the adjustment seat 13 to move, the adjustment seat 13 drives the connecting ring 14 to move, the connecting ring 14 drives the connecting column 15 to move, the connecting column 15 drives the rectangular rod 17 to move, the rectangular rod 17 drives the pin 18 to move, and the corresponding connecting seat 10 can be driven to move, so that the corresponding connecting frame 7 and the frame 21 move upward. After the connecting frame 7 and the frame 21 move upward, the coarse-pore filter plate 8, the fine-pore filter plate 9 or the catalyst bed 22 can be replaced.
[0034] Working principle: Set the replacement time through the PLC controller 26, close the solenoid valve 2 on the rear side at the same time, open the solenoid valve 2 on the front side, and then start the fan 4, draw the gas in through the exhaust pipe 5, and discharge the gas to the front side of the inner cavity of the filter box 1 through the exhaust pipe 3, and then filter the gas in turn through the coarse-pore filter plate 8 and the fine-pore filter plate 9, and then preheat the gas through the heat exchanger 19, and then process the gas through the catalyst bed 22. The hydrocarbon molecules and the oxygen molecules in the mixed gas are respectively adsorbed on the surface of the catalyst and activated. Since the surface adsorption reduces the activation energy of the reaction, the hydrocarbons and oxygen molecules are rapidly oxidized at a lower temperature to produce carbon dioxide and water, and then the gas is discharged through the outlet pipe 29. When the pressure difference sensor 27 detects that the pressure difference value is too large, or after the catalyst bed 22 reaches the replacement time, the PLC controller 26 will open the solenoid valve 2 on the rear side. Close the solenoid valve 2 on the front side, so that the exhaust gas is processed through the processing components on the rear side, and the buzzer 25 will be controlled to work to remind the staff to move the connecting column 15. The connecting column 15 drives the rectangular rod 17 to move, and the rectangular rod 17 drives the pin 18 to move, so that the pin 18 is plugged into the corresponding connecting seat 10. Then the PLC controller 26 controls the motor 11 to work, and the motor 11 drives the screw rod 12 to rotate, and the screw rod 12 drives the adjustment seat 13 to move, and the adjustment seat 13 drives the connecting ring 14 to move, and the connecting ring 14 drives the connecting column 15 to move, and the connecting column 15 drives the rectangular rod 17 to move, and the rectangular rod 17 drives the pin 18 to move, which can drive the corresponding connecting seat 10 to move, so that the corresponding connecting frame 7 and frame 21 move upward. After the connecting frame 7 and frame 21 move upward, the coarse-pore filter plate 8, the fine-pore filter plate 9 or the catalyst bed 22 can be replaced.
[0035] The above description is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. Catalytic combustion equipment for organic waste gas, characterized by: The invention comprises a filter box (1), wherein the front end and the rear end of the left side of the filter box (1) are both connected to a solenoid valve (2), the front end and the rear end of the top of the filter box (1) are both plugged with a connecting frame (7), the left and right sides of the inner wall of the connecting frame (7) are respectively plugged with a coarse-pore filter plate (8) and a fine-pore filter plate (9), the front end and the rear end of the right side of the filter box (1) are both connected to a heat exchanger (19), the right side of the heat exchanger (19) is connected to a shell (20), the top of the shell (20) is plugged with a frame (21), and the inner wall of the frame (21) is fixedly connected to a catalyst. The agent bed (22) is fixedly connected to the top of the frame (21) and the connecting frame (7) with a connecting seat (10), the top of the right side of the shell (20) is fixedly connected to a rectangular plate (24), the top of the right side of the rectangular plate (24) is fixedly connected to a buzzer (25), the bottom of the right side of the rectangular plate (24) is fixedly connected to a PLC controller (26), and the central axis of the front and back sides of the filter box (1) are fixedly connected to a pressure difference sensor (27), and one side of the pressure difference sensor (27) is connected to the filter box (1) through a connecting pipe (28).
2. The catalytic combustion equipment for organic waste gas according to claim 1, characterized in that: One side of the solenoid valve (2) is connected to an exhaust pipe (3), one side of the exhaust pipe (3) is connected to a fan (4), the left side of the fan (4) is connected to an exhaust pipe (5), the bottom of the fan (4) is fixedly connected to a bracket (6), and the right side of the bracket (6) is fixedly connected to the filter box (1).
3. The catalytic combustion equipment for organic waste gas according to claim 1, characterized in that: A motor (11) is fixedly connected to the front side of the right side of the top of the filter box (1) and located at the center axis, the output end of the motor (11) is fixedly connected to a screw rod (12), the surface of the screw rod (12) is threadedly connected to an adjustment seat (13), the right side of the adjustment seat (13) is fixedly connected to a connecting ring (14), the inner cavity of the connecting ring (14) is movably connected to a connecting column (15), the front and back sides of the connecting column (15) are fixedly connected to a rectangular rod (17), and one side of the rectangular rod (17) is fixedly connected to a latch (18).
4. The catalytic combustion equipment for organic waste gas according to claim 3, characterized in that: A sliding rod (23) is slidably connected to the rear side of the inner cavity of the adjustment seat (13), and the bottom of the sliding rod (23) is fixedly connected to the filter box (1).
5. The catalytic combustion equipment for organic waste gas according to claim 3, characterized in that: A sealing ring (16) is fixedly connected to the inner wall of the connecting ring (14), and the inner surface of the sealing ring (16) is in contact with the connecting column (15).
6. The catalytic combustion equipment for organic waste gas according to claim 1, characterized in that: The center axis on the right side of the housing (20) is connected to an air outlet pipe (29), and the center axis of the inner wall of the filter box (1) is fixedly connected to a partition.
7. The catalytic combustion equipment for organic waste gas according to claim 1, characterized in that: The bottom of the right side of the housing (20) is connected to a fixed pipe, and one side of the fixed pipe is movably connected to a control valve.