Adsorption and desorption catalytic combustion device for organic waste gas treatment

Abstract

The utility model discloses an adsorption desorption catalytic combustion device for organic waste gas treatment, which comprises a spray tower, one side of the spray tower is connected with a filter box through a first connecting pipe, three groups of filter screens are arranged on the inner side of the filter box and are connected with the filter box through connecting mechanisms, and the other side of the filter box is connected with an activated carbon box. A second induced draft fan is arranged on one side of the first induced draft fan, one end of the second induced draft fan is connected with a heat exchanger through a second connecting pipe, the heat exchanger is connected with the top end of the activated carbon box through a second connecting pipe, and the bottom end of the activated carbon box is connected with a catalytic combustion furnace through a second connecting pipe. The other side of the catalytic combustion furnace is connected with the heat exchanger through a second connecting pipe, the heat exchanger is connected with the chimney through the second connecting pipe, the filter screen can be conveniently mounted and dismounted through the driving mechanism and the connecting mechanism, and therefore the convenience of replacement operation of the filter device is greatly improved through arrangement.

Description

Technical Field

[0001] The utility model relates to the technical field of organic waste gas treatment, in particular to an adsorption, desorption and catalytic combustion device for organic waste gas treatment. Background Technique

[0002] Organic waste gas is a common pollutant discharged by industries such as petrochemical, light industry, plastics, printing, and coatings. Organic waste gas often contains hydrocarbon compounds, oxygen-containing organic compounds, nitrogen, sulfur, halogen, and phosphorus-containing organic compounds, etc. If these organic waste gases are not treated and directly discharged into the atmosphere, it will cause serious pollution to the environment and endanger human health.

[0003] In the currently common adsorption, desorption and catalytic combustion devices for organic waste gas on the market, there are many disadvantages in the replacement of the filtration device during the filtration process of organic waste gas, including the complicated replacement process and the large operation difficulty. At the same time, after the catalyst reacts for a period of time, the treatment capacity decreases, and the catalyst needs to be replaced. The replacement of the traditional catalyst is troublesome, and the device downtime is long, which affects the treatment efficiency of organic waste gas.

[0004] Therefore, an adsorption, desorption and catalytic combustion device for organic waste gas treatment is needed to solve the problems raised in the above background technique. Content of the Utility Model

[0005] In view of the above problems, the utility model provides an adsorption, desorption and catalytic combustion device for organic waste gas treatment.

[0006] The utility model provides the following technical solution: an adsorption, desorption and catalytic combustion device for organic waste gas treatment, including a spray tower. One side of the spray tower is connected to a filtration box through a first connecting pipe. Three groups of filter meshes are arranged inside the filtration box, and all are connected to the filtration box through a connecting mechanism that facilitates the replacement of the filter meshes. The other side of the filtration box is connected to an activated carbon box. The other side of the activated carbon box is connected to a chimney through a first induced draft fan. A second induced draft fan is arranged on one side of the first induced draft fan. One end of the second induced draft fan is connected to a heat exchanger through a second connecting pipe. The heat exchanger is connected to the top end of the activated carbon box through the second connecting pipe. The bottom end of the activated carbon box is connected to a catalytic combustion furnace through the second connecting pipe. The other side of the catalytic combustion furnace is connected to the heat exchanger through the second connecting pipe. The heat exchanger is connected to the chimney through the second connecting pipe;

[0007] The connecting mechanism includes a resistance block, three groups of mounting seats are provided on the inner side of the filter box, three groups of through grooves are correspondingly provided on the top of the filter box, and resistance grooves are provided on the inner walls of both sides of the three groups of mounting seats. A mounting plate for convenient installation of the filter screen is slidably connected to the inner side of the mounting seat, and grooves are provided on the mounting plate near the two sides. A sliding groove for convenient sliding of the resistance block is provided on one side of the two groups of grooves, and a screw threadedly connected to the resistance block is rotatably connected to the inner wall of one side of the groove, and a driving mechanism for facilitating its rotation is connected to the bottom of the screw, and the two groups of resistance blocks are respectively adapted to the two groups of resistance grooves.

[0008] In a further technical solution, the driving mechanism includes a driving gear sleeved on the outside of the screw rod, a slide rail is provided at the bottom of the groove, the top of the slide rail is slidably connected to a rack plate meshing with the driving gear, a connecting block is provided at one end of the rack plate, a connecting rod is connected to one side of the connecting block, and the other end of the connecting rod extends to the outside of the mounting plate and is connected to a connecting head.

[0009] In a further technical solution, a handle is provided on the top of the mounting plate.

[0010] In a further technical solution, the interior of the catalytic combustion furnace is provided with a heating rod for heating the organic waste gas, and a tray for conveniently placing the catalyst, and the bottom of the tray is connected to a moving mechanism for facilitating its entry and exit from the catalytic combustion furnace.

[0011] In a further technical solution, the moving mechanism includes a motor installed on one side of the catalytic combustion furnace, and the inner walls on both sides of the catalytic combustion furnace are provided with sliding seats slidably connected to the tray. The bottom of the tray near both sides is provided with tooth grooves, and two groups of the tooth grooves are meshed with driving gears. The two groups of driving gears are rotatably connected to the inner walls on both sides of the catalytic combustion furnace through connecting shafts, and one end of one group of the connecting shafts is connected to the output end of the motor.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model can drive the connecting rod to move to one side by pressing the connecting head, and the connecting rod can drive the connecting block and the rack plate to slide to one side along the slide rail, and the rack plate can drive the circular gear to rotate by meshing with the circular gear, and the circular gear can drive the screw to rotate, and the screw can drive the two groups of resistance blocks to slide outward and respectively resist the two groups of resistance grooves by threaded connection with the resistance block, so as to facilitate the installation of the filter screen and the mounting plate, and the disassembly of the filter screen and the mounting plate can be facilitated by reverse operation, and then the convenience of the filter device replacement operation is greatly improved through the setting.

[0014] 2. In the present utility model, by starting the motor, the motor can drive the connecting shaft to rotate, the connecting shaft can drive the driving gear to rotate, and under the meshing action of the driving gear with the tooth groove, the tooth groove and the tray can be driven to slide horizontally along the two sets of sliding seats, so that the catalyst placed inside the tray can be driven in and out of the inside of the catalytic combustion furnace, facilitating the replacement of the catalyst and improving the treatment efficiency of organic waste gas. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 It is a side top view of the present utility model;

[0017] Figure 3 It is a partial side cross-sectional view of the filter box;

[0018] Figure 4 It is a partial side cross-sectional view of the mounting plate;

[0019] Figure 5 It is a partial side cross-sectional view of the catalytic combustion furnace;

[0020] Figure 6 It is Figure 4 The enlarged view of part A in

[0021] Figure 7 It is Figure 5 The enlarged view of part B in

[0022] In the figure: 1. Spray tower, 2. First connecting pipe, 3. Filter box, 4. Filter screen, 5. Activated carbon box, 6. First induced draft fan, 7. Chimney, 8. Second induced draft fan, 9. Second connecting pipe, 10. Heat exchanger, 11. Catalytic combustion furnace, 12. Mounting seat, 13. Through groove, 14. Contact groove, 15. Mounting plate, 16. Handle, 17. Groove, 18. Slide groove, 19. Slide rail, 20. Rack plate, 21. Spur gear, 22. Screw, 23. Contact block, 24. Connecting block, 25. Connecting rod, 26. Connector, 27. Heating rod, 28. Slide seat, 29. Tray, 30. Tooth groove, 31. Driving gear, 32. Connecting shaft, 33. Motor. Detailed Embodiment

[0023] The following further describes the embodiments of the present utility model with reference to the drawings.

[0024] Embodiment:

[0025] Refer to Figures 1-7, an adsorption-desorption catalytic combustion device for treating organic waste gas, comprising a spray tower 1, one side of the spray tower 1 is connected to a filter box 3 through a first connecting pipe 2, three groups of filter screens 4 are arranged on the inner side of the filter box 3, and all are connected to the filter box 3 through a connecting mechanism that facilitates the replacement of the filter screen 4, the other side of the filter box 3 is connected to an activated carbon box 5, the other side of the activated carbon box 5 is connected to a chimney 7 through a first induced draft fan 6, a second induced draft fan 8 is arranged on one side of the first induced draft fan 6, one end of the second induced draft fan 8 is connected to a heat exchanger 10 through a second connecting pipe 9, the heat exchanger 10 is connected to the top of the activated carbon box 5 through the second connecting pipe 9, the bottom end of the activated carbon box 5 is connected to a catalytic combustion furnace 11 through the second connecting pipe 9, the other side of the catalytic combustion furnace 11 is connected to the heat exchanger 10 through the second connecting pipe 9, and the heat exchanger 10 is connected to the chimney 7 through the second connecting pipe 9;

[0026] The connecting mechanism includes a resistance block 23, three groups of mounting seats 12 are provided on the inner side of the filter box 3, three groups of through grooves 13 are correspondingly opened on the top of the filter box 3, and resistance grooves 14 are opened on the inner walls of both sides of the three groups of mounting seats 12. A mounting plate 15 for convenient installation of the filter screen 4 is slidably connected to the inner side of the mounting seat 12, and grooves 17 are opened near the two sides of the mounting plate 15. One side of the two groups of grooves 17 is provided with a slide groove 18 for convenient sliding of the resistance block 23. A screw 22 threadedly connected to the resistance block 23 is rotatably connected to the inner wall of one side of the groove 17, and a driving mechanism for facilitating its rotation is connected to the bottom of the screw 22. The two groups of resistance blocks 23 are respectively adapted to the two groups of resistance grooves 14.

[0027] Specifically, the spray tower 1 can be used to perform preliminary filtration on the organic waste gas. The filter box 3 and the three sets of filters 4 can be used to effectively filter the water vapor, oil and dust in the organic waste gas. The activated carbon box 5 can be used to adsorb the organic components in the organic waste gas onto the activated carbon bed. The filtered clean gas can be discharged through the first induced draft fan 6 and the chimney 7. When the activated carbon bed adsorption reaches a saturated state, the fresh gas can be transported to the heat exchanger 10 through the second induced draft fan 8. The heat exchanger 10 can transport the high-temperature gas to the activated carbon box 5 and purge the activated carbon bed. The organic gas desorbed by the purge can be discharged through the second connecting pipe 9. The organic waste gas is transported to the catalytic combustion furnace 11, and after catalytic combustion, the heat exchanger 10 cools the organic waste gas to meet the temperature requirements and discharges it through the chimney 7, thereby completing the adsorption, desorption and catalytic combustion treatment of the organic waste gas. The driving mechanism is arranged to drive the two sets of screws 22 to rotate. The two sets of screws 22 are threadedly connected with the two sets of resistance blocks 23 to drive the two sets of resistance blocks 23 to slide outward. The two sets of resistance blocks 23 can resist the two sets of resistance grooves 14, thereby facilitating the installation of the filter screen 4 and the mounting plate 15. The reverse operation can facilitate the disassembly of the filter screen 4. Furthermore, the above structure facilitates the replacement of the filter device, effectively improving the operational convenience.

[0028] Among them, the driving mechanism includes a circular gear 21 sleeved outside the screw rod 22. A slide rail 19 is provided at the bottom of the groove 17. A rack plate 20 meshing with the circular gear 21 is slidably connected to the top of the slide rail 19. One end of the rack plate 20 is provided with a connecting block 24. One side of the connecting block 24 is connected with a connecting rod 25. The other ends of the connecting rods 25 all extend to the outside of the mounting plate 15 and are connected with connecting heads 26. By pressing the connecting heads 26, the connecting heads 26 can drive the connecting rods 25 to move to one side. The connecting rods 25 can drive the connecting block 24 and the rack plate 20 to slide along the slide rail 19 to one side. Under the meshing action of the rack plate 20 and the circular gear 21, the circular gear 21 can be driven to rotate. The circular gear 21 can drive the screw rod 22 to rotate. Under the threaded connection action of the screw rod 22 and the abutting blocks 23, the two abutting blocks 23 can be driven to slide outward and respectively abut against the two abutting grooves 14, so that the installation of the filter screen 4 and the mounting plate 15 can be facilitated. Through reverse operation, the disassembly of the filter screen 4 and the mounting plate 15 can be facilitated. Furthermore, through this setting, the convenience of the replacement operation of the filtering device is greatly improved.

[0029] Among them, a handle 16 is provided at the top of the mounting plate 15. Through the provided handle 16, the pulling out of the mounting plate 15 and the filter screen 4 can be facilitated.

[0030] Among them, a heating rod 27 for heating the organic waste gas and a tray 29 for conveniently placing the catalyst are provided inside the catalytic combustion furnace 11. The bottom of the tray 29 is connected with a moving mechanism for facilitating its entry and exit from the catalytic combustion furnace 11. After the heating rod 27 inside the catalytic combustion furnace 11 is powered on, the organic waste gas can be heated. With the catalytic action of the catalyst, the organic waste gas can be combusted and decomposed to meet the emission standards.

[0031] Among them, the moving mechanism includes a motor 33 installed on one side of the catalytic combustion furnace 11. Slide seats 28 slidably connected to the tray 29 are provided on both inner walls of the catalytic combustion furnace 11. Tooth grooves 30 are respectively opened at positions near both sides of the bottom of the tray 29. Two driving gears 31 are meshed with the two tooth grooves 30. The two driving gears 31 are respectively rotatably connected to both inner walls of the catalytic combustion furnace 11 through connecting shafts 32. One end of one of the connecting shafts 32 is connected to the output end of the motor 33. By starting the motor 33, the motor 33 can drive the connecting shaft 32 to rotate. The connecting shaft 32 can drive the driving gear 31 to rotate. Under the meshing action of the driving gear 31 and the tooth groove 30, the tooth groove 30 and the tray 29 can be driven to slide horizontally along the two slide seats 28, so that the catalyst placed inside the tray 29 can enter and exit the inside of the catalytic combustion furnace 11, facilitating the replacement of the catalyst and improving the treatment efficiency of the organic waste gas.

[0032] Working principle: First, when the mounting plate 15 is inserted into the inside of the through groove 13 and the mounting seat 12, by pressing the connector 26, the connector 26 can drive the connecting rod 25 to move to one side. The connecting rod 25 can drive the connecting block 24 and the rack plate 20 to slide along the slide rail 19 to one side. The rack plate 20 can drive the circular gear 21 to rotate. The circular gear 21 can drive the screw rod 22 to rotate. The screw rod 22 can drive the two sets of abutting blocks 23 to slide outward and respectively abut against the two sets of abutting grooves 14, so as to facilitate the installation of the filter screen 4 and the mounting plate 15. By reverse operation, the disassembly of the filter screen 4 and the mounting plate 15 can be facilitated. When the catalyst needs to be replaced, by starting the motor 33, the motor 33 can drive the connecting shaft 32 to rotate. The connecting shaft 32 can drive the driving gear 31 to rotate. The driving gear 31 can drive the tooth groove 30 and the tray 29 to slide outward along the two sets of sliding seats 28, so as to drive the catalyst placed inside the tray 29 to move out of the inside of the catalytic combustion furnace 11, facilitating the replacement of the catalyst, and then completing the entire operation process.

[0033] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An adsorption, desorption and catalytic combustion device for organic waste gas treatment, including a spray tower, characterized in that: One side of the spray tower is connected to a filter box via a first connecting pipe, three groups of filter screens are provided on the inner side of the filter box, and all of them are connected to the filter box via a connecting mechanism that is convenient for replacing the filter screens, the other side of the filter box is connected to an activated carbon box, the other side of the activated carbon box is connected to the chimney via a first induced draft fan, a second induced draft fan is provided on one side of the first induced draft fan, one end of the second induced draft fan is connected to a heat exchanger via a second connecting pipe, the heat exchanger is connected to the top end of the activated carbon box via the second connecting pipe, the bottom end of the activated carbon box is connected to the catalytic combustion furnace via the second connecting pipe, the other side of the catalytic combustion furnace is connected to the heat exchanger via the second connecting pipe, and the heat exchanger is connected to the chimney via the second connecting pipe; The connecting mechanism includes a resistance block, three groups of mounting seats are provided on the inner side of the filter box, three groups of through grooves are correspondingly provided on the top of the filter box, and resistance grooves are provided on the inner walls of both sides of the three groups of mounting seats. A mounting plate for convenient installation of the filter screen is slidably connected to the inner side of the mounting seat, and grooves are provided on the mounting plate near the two sides. A sliding groove for convenient sliding of the resistance block is provided on one side of the two groups of grooves, and a screw threadedly connected to the resistance block is rotatably connected to the inner wall of one side of the groove, and a driving mechanism for facilitating its rotation is connected to the bottom of the screw, and the two groups of resistance blocks are respectively adapted to the two groups of resistance grooves.

2. The adsorption, desorption and catalytic combustion device for treating organic waste gas according to claim 1, characterized in that: The driving mechanism includes a driving gear sleeved on the outside of the screw rod, a slide rail is provided at the bottom of the groove, and a rack plate meshing with the driving gear is slidably connected to the top of the slide rail. A connecting block is provided at one end of the rack plate, and a connecting rod is connected to one side of the connecting block. The other end of the connecting rod extends to the outside of the mounting plate and is connected to a connecting head.

3. The adsorption-desorption catalytic combustion device for organic waste gas treatment according to claim 2, wherein: A handle is provided on the top of the mounting plate.

4. The adsorption, desorption and catalytic combustion device for treating organic waste gas according to claim 1, wherein: The interior of the catalytic combustion furnace is provided with a heating rod for heating organic waste gas, and a tray for conveniently placing the catalyst. The bottom of the tray is connected with a moving mechanism for conveniently entering and exiting the catalytic combustion furnace.

5. The adsorption and desorption catalytic combustion device for organic waste gas treatment according to claim 4, characterized in that: The moving mechanism includes a motor installed on one side of the catalytic combustion furnace, and the inner walls on both sides of the catalytic combustion furnace are provided with sliding seats that are slidably connected to the tray. The bottom of the tray near both sides is provided with tooth grooves, and two groups of the tooth grooves are meshed with driving gears. The two groups of driving gears are rotatably connected to the inner walls on both sides of the catalytic combustion furnace through connecting shafts, and one end of one group of the connecting shafts is connected to the output end of the motor.

Images