Catalytic device for degrading industrial VOC (Volatile Organic Compounds) at room temperature
By designing the air guide plate and the material conveying plate structure, the problems of uneven airflow distribution and solid impurities were solved, achieving full contact and purification of VOCs with the catalyst, and improving the degradation efficiency and purification effect of the catalytic device.
Patent Information
- Application Number
- CN202423271151.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing catalytic devices suffer from uneven gas flow distribution and the entry of solid impurities into the catalytic reaction unit, resulting in insufficient contact between VOCs and the catalyst, which affects degradation efficiency. Furthermore, solid impurities may contaminate or clog the catalyst.
The system employs a structure of air guide plates and material conveying plates, and uses an electric telescopic rod and a motor-driven transmission system to achieve uniform airflow distribution and impurity interception. Combined with a countercurrent purification and catalyst replacement mechanism, it ensures that VOCs are in full contact with the catalyst and are further purified by adsorption materials.
It improves the purification efficiency of VOC gas, prevents catalyst contamination and blockage, enhances the catalytic effect, and ensures the full degradation and purification of VOCs.
Smart Images
Figure CN223641627U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of industrial waste gas treatment technology, and in particular to a catalytic device for the degradation of industrial VOCs at room temperature. Background Technology
[0002] With the rapid development of industry, the emission of volatile organic compounds (VOCs) is increasing. VOCs refer to organic compounds with a saturated vapor pressure greater than 70 Pa at room temperature and a boiling point below 260℃ at normal pressure. These compounds have a wide range of sources and are generated in large quantities during industrial production processes such as chemical, printing, coating, and electronics manufacturing. VOCs are considered key precursors to pollutants such as secondary aerosols, photochemical smog, ozone, and PM2.5. Due to their high emission levels, irritating odors, high toxicity, persistent environmental pollution, and tendency to produce secondary pollution through photochemical reactivity, VOCs have become a significant pollution problem. VOCs pose a serious threat to human health and the natural environment. Existing catalytic devices have several drawbacks. First, uneven gas flow distribution may occur within the catalytic reaction unit, leading to excessively high VOC concentrations in some areas and insufficient catalyst utilization in others. This results in inadequate contact between VOCs and the catalyst, affecting overall degradation efficiency. Second, solid impurities in VOC gases, such as dust and particulate matter, can enter the catalytic reaction unit, contaminating or clogging the catalyst and affecting catalytic performance. To address these issues, we propose a room-temperature industrial VOC degradation catalytic device. Utility Model Content
[0003] The main objective of this invention is to provide a catalytic device for industrial VOC degradation at room temperature, which can effectively solve the problems in the background art.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0005] A catalytic device for the degradation of industrial VOCs at room temperature includes a housing. Fixing blocks are provided on the left and right sides of the bottom inner side of the housing. Each of the fixing blocks has a groove at its top and is fixedly connected to an electric telescopic rod. A gas guide plate is provided at the extended end of each of the electric telescopic rods. The sidewall of the gas guide plate is in close contact with the inner wall of the housing. Multiple sets of ventilation holes are provided at the top of the gas guide plate. Multiple sets of second hinged covers are rotatably connected to the top of the gas guide plate, and the ventilation holes and second hinged covers are fitted together.
[0006] Preferably, each of the multiple sets of fixed blocks is provided with multiple sets of springs at its top, and each of the multiple sets of springs is provided with a feed plate at its top. The side wall of the feed plate is in close contact with the inner side wall of the box. The front and rear ends of the inner side of the box are provided with sliding grooves. The front and rear side walls of the feed plate are provided with sliders. The sliders fit into the sliding grooves. The top of the feed plate is provided with several sets of holes.
[0007] Preferably, a motor is provided at the left end of the box, and a first transmission shaft is provided through the output end of the motor through the box. The other end of the first transmission shaft is rotatably connected to the right end of the inner side of the box. Cams are provided at both ends of the outer side wall of the first transmission shaft, and the outer side wall of the cams contacts the bottom end of the feed plate.
[0008] Preferably, a fixing frame is provided at the rear end of the inner side of the housing, and multiple sets of first rotating shafts are rotatably connected to the top of the fixing frame. The multiple sets of first rotating shafts are connected to a first transmission bar. A first bevel gear is provided at the top of one set of first rotating shafts, and multiple other sets of first rotating shafts pass through the fixing frame and multiple sets of blades are arranged in a circular array on the outer side wall.
[0009] Preferably, a second rotating shaft is rotatably connected to the left end of the housing, and a second transmission bar is connected to the first transmission shaft via the second rotating shaft. A second bevel gear is provided at the other end of the second rotating shaft, and the second bevel gear meshes with the first bevel gear.
[0010] Preferably, the front end of the box has an opening and is detachably connected to a first drawer, the first drawer is located below the first pivot, and the left and right side walls inside the box are provided with first support frames, the top of the first support frame is slidably connected to the bottom of the first drawer, and the bottom of the first drawer has a number of holes.
[0011] Preferably, the bottom of the box has an opening and an air inlet pipe is fixedly connected thereto. The bottom of the box is provided with a support leg. The top of the box has an opening and an air outlet pipe is fixedly connected thereto. The top of the air outlet pipe is rotatably connected to a first flip cover. The front of the box has an opening and a second drawer is detachably connected thereto. The second drawer is located above the fixed frame. The bottom of the second drawer has several sets of holes. The left and right side walls inside the box are provided with second support frames. The top of the second support frame is slidably connected to the bottom of the second drawer.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] 1. This room-temperature industrial VOC degradation catalytic device uses a feed plate to intercept solid impurities in the gas, preventing them from entering the catalytic reaction unit and contaminating or clogging the catalyst's active sites, thus affecting the catalytic effect. A motor drives a first drive shaft and cam to rotate, and under the force of multiple springs, the feed plate bounces up and down, dislodging impurities attached to the bottom holes of the feed plate and preventing dust and impurities from clogging it. Simultaneously, multiple sets of electric telescopic rods move a guide plate up and down. Multiple sets of second hinged covers are rotatably connected to the top of the guide plate. When the guide plate moves downwards, the second hinged covers no longer cover the vents, allowing VOC gas to enter the upper part of the guide plate. When the guide plate moves upwards, the second hinged covers cover the vents, pushing the VOC gas upwards and into the first drawer. This allows for greater contact between the VOC gas and the catalyst in the first drawer, improving purification efficiency and more thoroughly removing harmful gases. Furthermore, the catalyst inside can be replaced promptly by pulling the first drawer.
[0014] 2. This room-temperature industrial VOC degradation catalytic device uses a second transmission bar to drive a second rotating shaft and a second bevel gear to rotate, which in turn drives a first bevel gear and a set of first rotating shafts to rotate. The first transmission bar also drives multiple other sets of first rotating shafts to rotate, causing multiple sets of blades to rotate. This results in a uniform airflow distribution of VOC gas, ensuring more thorough contact between VOCs and the catalyst, thus improving overall degradation efficiency. Subsequently, the VOC gas enters a second drawer, where it is further purified by adsorbent materials placed inside, removing residual harmful substances. The purified gas after the catalytic reaction is discharged from the catalytic device through an outlet pipe. A first hinged cover is rotatably connected to the outlet pipe to prevent external gases from entering the chamber. Furthermore, the countercurrent purification method allows for more contact between the VOC gas and the catalyst, adsorbent materials, etc., improving catalytic efficiency and enabling more thorough removal of harmful gases. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is one of the overall structural cross-sectional views of the present invention;
[0017] Figure 3 This is the second sectional view of the overall structure of this utility model;
[0018] Figure 4 This is one of the partial structural schematic diagrams of this utility model.
[0019] In the diagram: 1. Box body; 12. Support leg; 13. Air outlet pipe; 14. First hinged cover; 15. Air inlet pipe; 16. Fixing block; 17. Motor; 18. First drive shaft; 19. Cam; 2. Spring; 21. Feed plate; 22. Electric telescopic rod; 23. Slide groove; 24. Slider; 25. Air guide plate; 26. Vent hole; 27. Second hinged cover; 28. First support frame; 29. First drawer; 3. Second drawer; 31. Second support frame; 32. Fixing frame; 33. First rotating shaft; 34. Blade; 35. First bevel gear; 36. First transmission bar; 37. Second transmission bar; 38. Second rotating shaft; 39. Second bevel gear. Detailed Implementation
[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0021] like Figure 1-4 As shown, a catalytic device for the degradation of industrial VOCs at room temperature includes a housing 1. Fixing blocks 16 are provided on the left and right sides of the bottom inner side of the housing 1. Each of the fixing blocks 16 has a groove at its top and is fixedly connected to an electric telescopic rod 22. The extended ends of the electric telescopic rods 22 are provided with air guide plates 25. The sidewalls of the air guide plates 25 are in close contact with the inner sidewalls of the housing 1. Multiple sets of ventilation holes 26 are provided at the top of the air guide plates 25. Multiple sets of second lifting covers 27 are rotatably connected to the top of the air guide plates 25. The multiple sets of ventilation holes 26 and the multiple sets of second lifting covers 27 fit together.
[0022] In this embodiment, multiple sets of springs 2 are provided at the top of multiple sets of fixing blocks 16, and a feed plate 21 is provided at the top of multiple sets of springs 2. The side wall of the feed plate 21 is in close contact with the inner side wall of the box 1. Slide grooves 23 are provided at both the front and rear ends of the inner side of the box 1. Slider blocks 24 are provided on the front and rear side walls of the feed plate 21. The sliders 24 fit with the slide grooves 23. Several sets of holes are provided at the top of the feed plate 21.
[0023] Specifically, the slider 24 engages with the chute 23 to ensure that the feed plate 21 can move stably, and the feed plate 21 has several sets of holes at its top to intercept impurities in the VOC gas.
[0024] In this embodiment, a motor 17 is provided at the left end of the housing 1. A first transmission shaft 18 is provided through the output end of the motor 17 and passes through the housing 1. The other end of the first transmission shaft 18 is rotatably connected to the right end of the inner side of the housing 1. Cams 19 are provided at both the left and right ends of the outer side wall of the first transmission shaft 18. The outer side wall of the cam 19 contacts the bottom end of the feed plate 21.
[0025] Specifically, the operation of the motor 17 drives the first transmission shaft 18 and the cam 19 to rotate, and under the action of multiple sets of springs 2, the feed plate 21 is shaken up and down, thereby shaking off the impurities attached to the bottom hole of the feed plate 21 and preventing dust and impurities from clogging it.
[0026] In this embodiment, a fixing frame 32 is provided at the rear end of the inner side of the housing 1. Multiple sets of first rotating shafts 33 are rotatably connected to the top of the fixing frame 32. Multiple sets of first rotating shafts 33 are connected to a first transmission bar 36. A first bevel gear 35 is provided at the top of one set of first rotating shafts 33. Multiple other sets of first rotating shafts 33 pass through the fixing frame 32 and multiple sets of blades 34 are arranged in a circular array on the outer side wall.
[0027] Specifically, the first transmission bar 36 drives multiple sets of first rotating shafts 33 to rotate, thereby causing multiple sets of blades 34 to rotate, thus uniformly distributing the VOC gas flow, making the VOC more fully contacted with the catalyst, and improving the overall degradation efficiency.
[0028] In this embodiment, a second rotating shaft 38 is rotatably connected to the left end of the housing 1. The second rotating shaft 38 is connected to the first transmission shaft 18 via a second transmission bar 37. A second bevel gear 39 is provided at the other end of the second rotating shaft 38. The second bevel gear 39 meshes with the first bevel gear 35.
[0029] Specifically, the second transmission bar 37 drives the second rotating shaft 38 and the second bevel gear 39 to rotate, thereby driving the first bevel gear 35 and a set of first rotating shafts 33 to rotate.
[0030] In this embodiment, the front end of the box 1 has an opening and is detachably connected to a first drawer 29. The first drawer 29 is located below the first pivot 33. The left and right side walls inside the box 1 are provided with first support frames 28. The top of the first support frame 28 is slidably connected to the bottom of the first drawer 29. The bottom of the first drawer 29 has several sets of holes.
[0031] Specifically, when VOC gas enters the first drawer 29, it allows for greater contact between the VOC gas and the catalyst in the first drawer 29, improving purification efficiency and enabling more thorough removal of harmful gases. Furthermore, the catalyst inside can be replaced promptly by pulling the first drawer 29.
[0032] In this embodiment, the bottom of the box 1 has an opening and is fixedly connected to an air inlet pipe 15. The bottom of the box 1 is provided with a support leg 12. The top of the box 1 has an opening and is fixedly connected to an air outlet pipe 13. The top of the air outlet pipe 13 is rotatably connected to a first flip cover 14. The front of the box 1 has an opening and is detachably connected to a second drawer 3. The second drawer 3 is located above the fixing frame 32. The bottom of the second drawer 3 has several sets of holes. The left and right side walls inside the box 1 are provided with second support frames 31. The top of the second support frame 31 is slidably connected to the bottom of the second drawer 3.
[0033] Specifically, VOC gas enters the second drawer 3, where it is further purified by the adsorbent material placed inside, removing residual harmful substances. The purified gas after the catalytic reaction is discharged from the catalytic device through the outlet pipe 13. The first cover 14 is rotatably connected to the outlet pipe 13 to prevent external gas from entering the housing 1. Furthermore, the countercurrent purification method allows VOC gas to have more contact opportunities with the catalyst and adsorbent material, improving catalytic efficiency and enabling more thorough removal of harmful gases.
[0034] It should be noted that this utility model is a catalytic device for the degradation of industrial VOCs at room temperature. The user introduces VOC gas into the housing 1 through the inlet pipe 15. The gas first passes through the feed plate 21, which intercepts solid impurities in the gas, preventing them from entering the catalytic reaction unit and thus avoiding contamination or blockage of the catalyst's active sites, which would affect the catalytic effect. Simultaneously, the operation of the motor 17 drives the first drive shaft 18 and the cam 19 to rotate, and under the force of multiple sets of springs 2, the feed plate 21 is moved up and down, thereby dislodging the solid impurities adhering to the gas. Impurities in the bottom holes of the feed plate 21 are shaken off to prevent dust and impurities from clogging the system. Simultaneously, the operation of multiple sets of electric telescopic rods 22 drives the air guide plate 25 to move up and down. Multiple sets of second hinged covers 27 are rotatably connected to the top of the air guide plate 25. Thus, when the air guide plate 25 moves downwards, the second hinged covers 27 no longer cover the vent holes 26, allowing VOC gas to enter the upper part of the air guide plate 25. When the air guide plate 25 moves upwards, the second hinged covers 27 cover the vent holes 26, pushing the VOC gas upwards and into the first drawer 29, allowing the VOC gas to mix with the... The catalyst in drawer 29 has more contact, improving purification efficiency and removing harmful gases more thoroughly. Pulling the first drawer 29 allows for timely replacement of the internal catalyst. Simultaneously, the second drive bar 37 drives the second rotating shaft 38 and the second bevel gear 39 to rotate, which in turn drives the first bevel gear 35 and a set of first rotating shafts 33 to rotate. The first drive bar 36 drives multiple other sets of first rotating shafts 33 to rotate, causing multiple sets of blades 34 to rotate, thus uniformly distributing the VOC gas flow and ensuring more thorough contact between the VOC and the catalyst, improving overall degradation efficiency. Subsequently, the VOC gas enters the second drawer 3, where it is further purified by the adsorbent material, removing residual harmful substances. The purified gas after the catalytic reaction exits the catalytic device through the outlet pipe 13. The first hinged cover 14 is rotatably connected to the outlet pipe 13, preventing external gases from entering the housing 1. Furthermore, the counter-current purification method allows for more contact between the VOC gas and the catalyst, adsorbent material, etc., improving catalytic efficiency and removing harmful gases more thoroughly.
[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A catalytic device for the degradation of industrial VOCs at room temperature, comprising a housing (1), characterized in that: The bottom inner side of the box (1) is provided with fixing blocks (16) on both sides. The top of each of the fixing blocks (16) is provided with a groove and is fixedly connected to an electric telescopic rod (22). The extended end of the electric telescopic rod (22) is provided with an air guide plate (25). The side wall of the air guide plate (25) is in close contact with the inner side wall of the box (1). The top of the air guide plate (25) is provided with multiple sets of ventilation holes (26). The top of the air guide plate (25) is rotatably connected to multiple sets of second flaps (27). The multiple sets of ventilation holes (26) and the multiple sets of second flaps (27) fit together.
2. The catalytic device for industrial VOC degradation at room temperature according to claim 1, characterized in that: Multiple sets of springs (2) are provided at the top of each of the multiple sets of fixed blocks (16). A feed plate (21) is provided at the top of each of the multiple sets of springs (2). The side wall of the feed plate (21) is in close contact with the inner side wall of the box (1). Slide grooves (23) are provided at both the front and rear ends of the inner side of the box (1). Slider blocks (24) are provided on the front and rear side walls of the feed plate (21). The sliders (24) fit into the slide grooves (23). Several sets of holes are provided at the top of the feed plate (21).
3. The catalytic device for industrial VOC degradation at room temperature according to claim 1, characterized in that: A motor (17) is provided at the left end of the box (1). The output end of the motor (17) passes through the box (1) and is provided with a first transmission shaft (18). The other end of the first transmission shaft (18) is rotatably connected to the right end of the inner side of the box (1). Cams (19) are provided at both ends of the outer wall of the first transmission shaft (18). The outer wall of the cam (19) is in contact with the bottom end of the feed plate (21).
4. The catalytic device for industrial VOC degradation at room temperature according to claim 1, characterized in that: The inner rear end of the housing (1) is provided with a fixing frame (32). The top of the fixing frame (32) is rotatably connected to multiple sets of first rotating shafts (33). The multiple sets of first rotating shafts (33) are connected to a first transmission bar (36). The top of one set of first rotating shafts (33) is provided with a first bevel gear (35). The other multiple sets of first rotating shafts (33) pass through the fixing frame (32) and the outer side wall is provided with multiple sets of blades (34) in a circumferential array.
5. The catalytic device for industrial VOC degradation at room temperature according to claim 1, characterized in that: The left end of the housing (1) is rotatably connected to a second rotating shaft (38), the second rotating shaft (38) is connected to the first transmission shaft (18) by a second transmission bar (37), and the other end of the second rotating shaft (38) is provided with a second bevel gear (39), which meshes with the first bevel gear (35).
6. The catalytic device for industrial VOC degradation at room temperature according to claim 1, characterized in that: The front end of the box (1) has an opening and is detachably connected to a first drawer (29). The first drawer (29) is located below the first pivot (33). The left and right side walls inside the box (1) are provided with first support frames (28). The top of the first support frame (28) is slidably connected to the bottom of the first drawer (29). The bottom of the first drawer (29) has several sets of holes.
7. The catalytic device for industrial VOC degradation at room temperature according to claim 1, characterized in that: The bottom of the box (1) has an opening and is fixedly connected to an air inlet pipe (15). The bottom of the box (1) is provided with a support leg (12). The top of the box (1) has an opening and is fixedly connected to an air outlet pipe (13). The top of the air outlet pipe (13) is rotatably connected to a first flip cover (14). The front of the box (1) has an opening and is detachably connected to a second drawer (3). The second drawer (3) is located above the fixing frame (32). The bottom of the second drawer (3) has several sets of holes. The left and right side walls inside the box (1) are provided with second support frames (31). The top of the second support frame (31) is slidably connected to the bottom of the second drawer (3).