VOCs catalytic combustion equipment
By designing combustion tanks, mixing tanks and preheating devices in VOCs catalytic combustion equipment, the problem of failure to effectively utilize thermal energy in the equipment and the failure to fully mix the catalyst and exhaust gas is solved, and the effect of efficient combustion and convenient replacement of the filter device is achieved.
Patent Information
- Application Number
- CN202422188280.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-06
AI Technical Summary
During the use of existing VOCs catalytic combustion equipment, there are problems such as ineffective utilization of thermal energy and insufficient mixing of catalyst and exhaust gas, resulting in low combustion efficiency and inconvenient replacement of the filter mechanism.
A VOCs catalytic combustion equipment is designed, including combustion tanks, mixing tanks and preheating devices. By setting up a stirring device in the mixing tank, the catalyst and the exhaust gas are fully mixed; the exhaust gas is heated in the preheated pipe to reach the temperature required for catalytic combustion; and an activated carbon filtration device is installed at the exhaust gas inlet for easy replacement.
Effectively utilize the heat energy generated by exhaust gas combustion, improves combustion efficiency and saves energy consumption costs; at the same time, by fully mixing the catalyst and exhaust gas, the treatment efficiency is improved, and the replacement process is simplified through a convenient activated carbon filtration device.
Smart Images
Figure CN223020310U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of environmental protection, and specifically relates to a VOCs catalytic combustion device. Background Art
[0002] VOCs are a class of organic compounds that are volatile at normal temperature and widely exist in industries such as industrial production, automobile exhaust, printing, and painting. VOCs pose potential threats to the environment and human health, such as forming photochemical smog, affecting air quality, and damaging the human respiratory system. With the enhancement of environmental awareness and the strict implementation of relevant regulations, the control of VOCs emissions is becoming increasingly strict. The waste gas is pretreated to remove impurities such as particulate matter and moisture to ensure the smooth progress of the catalytic combustion process. The waste gas is heated to the temperature required for catalytic combustion through a heating system.
[0003] The prior art still has the following deficiencies:
[0004] 1. In the existing VOCs catalytic combustion device, during the use process, the thermal energy generated by the combustion of the waste gas cannot be effectively utilized, and a large amount of thermal energy is wasted.
[0005] 2. In the existing VOCs catalytic combustion device, during the use process, there is also a problem that the catalyst and the waste gas cannot be fully mixed, which reduces the subsequent treatment efficiency. At the same time, it is not convenient to replace the filtering mechanism. Summary of the Utility Model
[0006] In order to overcome the above defects, the utility model provides a VOCs catalytic combustion device, which solves the problems that the thermal energy generated by the combustion of the waste gas cannot be effectively utilized, a large amount of thermal energy is wasted, the catalyst and the waste gas cannot be fully mixed, and at the same time, it is not convenient to replace the filtering mechanism.
[0007] To achieve the above purpose, the utility model provides the following technical solution: A VOCs catalytic combustion device includes a combustion tank, a mixing tank is fixedly connected above the combustion tank, a motor is fixedly connected above the mixing tank, a preheating device is arranged inside the combustion tank, a stirring device for making the waste gas and the catalyst fully contact is arranged inside the mixing tank, and a filtering device convenient for replacement is arranged at the waste gas inlet.
[0008] As a further solution of the utility model: An exhaust port is fixedly connected to one side of the combustion tank, and a burner is fixedly connected to one side of the combustion tank.
[0009] As a further solution of the utility model: A rotating shaft is arranged inside the mixing tank, the rotating shaft is coaxially and fixedly connected to the output end of the motor, stirring blades are fixedly connected to the outside of the rotating shaft, and a catalyst inlet is fixedly connected above the mixing tank.
[0010] As a further solution of the present utility model: One side of the mixing tank is fixedly connected with an exhaust gas inlet, one side of the exhaust gas inlet is fixedly connected with a second support, the inside of the exhaust gas inlet is movably connected with a filter plate seat, one side of the filter plate seat is fixedly connected with a first support, the first support and the second support are rotationally connected, and screw holes are provided on the sides of the filter plate seat and the exhaust gas inlet away from the first support, and screws adapted thereto are arranged in the screw holes.
[0011] As a further solution of the present utility model: An activated carbon filter plate is movably connected inside the filter plate seat.
[0012] As a further solution of the present utility model: A preheating pipe is fixedly connected inside the combustion tank, and the top end of the preheating pipe is communicated with the inside of the mixing tank.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0014] 1. By generating heat energy during the combustion of exhaust gas, the exhaust gas mixed with the catalyst is heated and preheated, so that the exhaust gas reaches the temperature required for catalytic combustion, without the need for an additional heat source to heat the exhaust gas, improving the combustion efficiency and saving the energy consumption cost at the same time.
[0015] 2. By arranging a stirring mechanism in the mixing tank, the catalyst and the exhaust gas are fully mixed, improving the subsequent combustion efficiency. By arranging an activated carbon filtering mechanism at the air inlet, the exhaust gas is filtered, and at the same time, this activated carbon filtering mechanism has the functions of convenient installation and replacement. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic structural diagram of the present utility model;
[0017] Figure 2 is a schematic sectional view of the present utility model;
[0018] Figure 3 is a schematic diagram of the working state of the activated carbon filtering mechanism of the present utility model;
[0019] Figure 4 is a schematic diagram when the activated carbon filtering mechanism of the present utility model is replaced.
[0020] In the figure: 1. Combustion tank; 2. Mixing tank; 3. Exhaust port; 4. Burner; 5. Activated carbon filter plate; 6. Catalyst inlet; 7. Exhaust gas inlet; 8. Motor; 9. Filter plate seat; 10. Rotating shaft; 11. Stirring blade; 12. Preheating pipe; 13. First support; 14. Second support; 15. Screw. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] The technical solutions of this patent will be further described in detail below in conjunction with the specific embodiments.
[0022] As Figures 1 - 4 shown, the present utility model provides a technical solution:
[0023] A VOCs catalytic combustion device, comprising a combustion tank 1, a mixing tank 2 fixedly connected above the combustion tank 1, a motor 8 fixedly connected above the mixing tank 2, a preheating device provided inside the combustion tank 1, a stirring device provided inside the mixing tank 2 for enabling the waste gas and the catalyst to be in full contact, and a filter device which is convenient to replace provided at the waste gas inlet.
[0024] An exhaust port 3 is fixedly connected to one side of the combustion tank 1, a burner 4 is fixedly connected to one side of the combustion tank 1, a rotating shaft 10 is provided inside the mixing tank 2, the rotating shaft 10 is coaxially and fixedly connected to the output end of the motor 8, stirring blades 11 are fixedly connected to the outer side of the rotating shaft 10, a catalyst inlet 6 is fixedly connected above the mixing tank 2, a waste gas inlet 7 is fixedly connected to one side of the mixing tank 2, a support two 14 is fixedly connected to one side of the waste gas inlet 7, a filter plate seat 9 is movably connected inside the waste gas inlet 7, a support one 13 is fixedly connected to one side of the filter plate seat 9, the support one 13 and the support two 14 are rotatably connected, screw holes are provided on the sides of the filter plate seat 9 and the waste gas inlet 7 away from the support one 13, screws 15 adapted thereto are provided in the screw holes, an activated carbon filter plate 5 is movably connected inside the filter plate seat 9, a preheating pipe 12 is fixedly connected inside the combustion tank 1, and the top end of the preheating pipe 12 communicates with the inside of the mixing tank 2.
[0025] The working principle of the present utility model is as follows:
[0026] First, the waste gas to be treated is conveyed through the waste gas inlet 7 to the filter plate seat 9, the filtered waste gas enters the mixing tank 2, the atomized catalyst enters the mixing tank 2 through the catalyst inlet 6, the motor 8 drives the rotating shaft 10 to rotate, the stirring blades 11 are fixedly connected to the outer side of the rotating shaft 10, the stirring blades 11 rotate, after the waste gas and the catalyst are fully mixed, they enter the preheating pipe 12, in the preheating pipe 12, the waste gas and the catalyst fully react and are heated, and finally enter the inside of the combustion tank 1 from the end of the preheating pipe 12, and are burned by the burner 4, the heat generated by the combustion heats the waste gas in the preheating pipe 12, and the carbon dioxide and water vapor generated after combustion are discharged through the exhaust port 3. When replacing the activated carbon filter plate 5, unscrew the fixing screw 15, open the filter plate seat 9 to one side, remove the activated carbon filter plate 5 to be replaced, then install a new activated carbon filter plate 5, close the filter plate seat 9, and then fix it with the screw 15 to complete the replacement of the activated carbon filter plate 5.
[0027] The above describes in detail the preferred embodiments of the present patent. However, the present patent is not limited to the above embodiments, and various changes can be made within the scope of knowledge of those of ordinary skill in the art without departing from the gist of the present patent.
Claims
1. A VOCs catalytic combustion device, comprising a combustion tank (1), characterized in that: A mixing tank (2) is fixedly connected to the top of the combustion tank (1), a motor (8) is fixedly connected to the top of the mixing tank (2), a preheating device is arranged inside the combustion tank (1), a stirring device is arranged inside the mixing tank (2) to allow the exhaust gas and the catalyst to fully contact, and a filter device that is easy to replace is arranged at the exhaust gas inlet.
2. A VOCs catalytic combustion device according to claim 1, characterized in that: An exhaust port (3) is fixedly connected to one side of the combustion pot (1), and a burner (4) is fixedly connected to one side of the combustion pot (1).
3. A VOCs catalytic combustion device according to claim 2, characterized in that: A rotating shaft (10) is arranged inside the mixing tank (2), and the rotating shaft (10) is coaxially fixedly connected to the output end of the motor (8). A stirring blade (11) is fixedly connected to the outside of the rotating shaft (10), and a catalyst inlet (6) is fixedly connected to the top of the mixing tank (2).
4. A VOCs catalytic combustion device according to claim 3, characterized in that: One side of the mixing tank (2) is fixedly connected to an exhaust gas inlet (7), one side of the exhaust gas inlet (7) is fixedly connected to a bracket 2 (14), the interior of the exhaust gas inlet (7) is movably connected to a filter plate seat (9), one side of the filter plate seat (9) is fixedly connected to a bracket 1 (13), the bracket 1 (13) and the bracket 2 (14) are rotatably connected, and a screw hole is provided on the side of the filter plate seat (9) and the exhaust gas inlet (7) away from the bracket 1 (13), and a screw (15) matching the screw hole is provided in the screw hole.
5. A VOCs catalytic combustion device according to claim 4, characterized in that: An activated carbon filter plate (5) is movably connected inside the filter plate seat (9).
6. A VOCs catalytic combustion device according to claim 5, characterized in that: A preheating pipe (12) is fixedly connected to the interior of the combustion tank (1), and the top end of the preheating pipe (12) is connected to the interior of the mixing tank (2).