Activated carbon production tail gas purification and recovery integrated device

Abstract

The utility model relates to the technical field of tail gas treatment, in particular to an activated carbon production tail gas purification and recovery integrated device. Comprising a spraying box, a filter screen, a turbulent flow mechanism and a plurality of spraying mechanisms, a tail gas nozzle is arranged in the spraying box; circular rings are connected to the two ends of the inner side of the filter screen, a plurality of connecting shafts are connected between the two circular rings, a rotating frame is connected to the circular ring on one side, a first rotating shaft is fixed to the rotating frame, and a servo motor used for driving the first rotating shaft to rotate is installed on the spraying box; the plurality of spraying mechanisms are mounted on the inner side of the filter screen; the turbulent flow mechanism comprises fan blades rotationally installed at the upper end of the inner side of the filter screen and a transmission assembly used for transmitting movement of the first rotating shaft to the fan blades. According to the technical scheme, self-cleaning of the filter screen can be achieved while the filter screen is driven to rotate, water at the bottom end of the interior of the spraying box can be lifted to the top end, the water and tail gas are fully mixed, and the tail gas treatment effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of exhaust gas treatment technology, and in particular to an integrated device for purifying and recovering exhaust gas from activated carbon production. Background Technology

[0002] Existing activated carbon production processes generate a large amount of exhaust gas, which contains a significant amount of carbon ash dust and carbon monoxide. Ash is the inorganic component of activated carbon, and it can easily cause secondary pollution. If directly emitted into the air, it can easily pollute the atmosphere. In addition, carbon monoxide is toxic. Therefore, we propose an exhaust gas purification device for activated carbon production equipment.

[0003] In existing technologies, a combination of spraying and filtering is usually used to treat particulate matter in exhaust gas. However, after working for a long time, impurities tend to accumulate on the surface of the filter, making cleaning and replacement cumbersome and requiring the machine to be shut down, which affects the efficiency of exhaust gas treatment. Utility Model Content

[0004] The purpose of this invention is to address the problems existing in the background technology by proposing an integrated device for purifying and recovering activated carbon production tail gas.

[0005] The technical solution of this utility model is an integrated device for purifying and recovering activated carbon production tail gas, comprising:

[0006] The spray box is filled with water in the lower part of the inside; the spray box is equipped with exhaust gas nozzles, and exhaust gas inlet pipes are connected to the exhaust gas nozzles.

[0007] The filter screen is cylindrical, with rings connected to both ends of its inner side. Multiple connecting shafts connect the two rings. A rotating frame is connected to one of the rings, and a first rotating shaft is fixed on the rotating frame. The first rotating shaft is rotatably mounted on the spray box, and a servo motor for driving the first rotating shaft is installed on the spray box.

[0008] Multiple spraying mechanisms are installed inside the filter screen. Each spraying mechanism includes a water storage box and two mounting brackets. The two mounting brackets are respectively installed on the two circular rings on both sides. The water storage box is rotatably installed between the two mounting brackets. Multiple spray holes are opened on the water storage box.

[0009] The turbulence mechanism includes a fan blade rotatably mounted on the upper inner side of the filter screen and a transmission assembly for transmitting the motion of the first rotating shaft to the fan blade.

[0010] Preferably, an oxidation box is provided on one side of the spray box, and a connecting pipe is provided between the oxidation box and the spray box. Multiple grids are provided inside the oxidation box, and oxidant is placed on each of the multiple grids. An electric heater is installed inside the oxidation box.

[0011] Preferably, a spray nozzle is installed at the bottom of the spray box, and a water inlet pipe is connected to the spray nozzle.

[0012] Preferably, the ring has multiple water flow holes; the bottom of the spray box is provided with a bottom connecting shell that communicates with its interior.

[0013] Preferably, the inner wall of the spray box is provided with annular grooves at both ends, and the two ends of the filter screen are respectively placed in the annular grooves on both sides.

[0014] Preferably, the transmission assembly includes a second rotating shaft, a first bevel gear, and a second bevel gear. A gearbox is provided inside the spray box, and a fixed rod is connected between the gearbox and the inner wall of the spray box. The first rotating shaft and the second rotating shaft are both rotatably mounted on the gearbox. The first bevel gear and the second bevel gear are both located inside the gearbox and are respectively mounted on the ends of the first rotating shaft and the second rotating shaft. The first bevel gear meshes with the second bevel gear, and the fan blade is mounted on the outer end of the second rotating shaft.

[0015] Preferably, the spray box is equipped with a transparent observation window.

[0016] Compared with the prior art, the present invention has the following beneficial technical effects:

[0017] 1. Start the servo motor to drive the filter screen to rotate. The rotation of the filter screen causes multiple water storage boxes to rotate around the first rotating shaft. When the water storage box moves to the inner bottom position of the spray box, the inside of the water storage box is filled with water. After the water storage box separates from the bottom water, the water inside the water storage box is sprayed downward through multiple spray holes. The sprayed water mixes with the particulate matter in the exhaust gas, thereby reducing the particulate matter content in the exhaust gas.

[0018] 2. The filter screen can intercept particulate matter in the exhaust gas. During the rotation of the filter screen, the water at the bottom of the spray box can clean the surface of the filter screen, reducing the chance of the filter screen being blocked and allowing the filter screen to filter the exhaust gas for a long time. Attached Figure Description

[0019] Figure 1 and Figure 2 All of these are schematic diagrams of the structure of this utility model.

[0020] Figure 3 This is a cross-sectional view of the spray box in this utility model.

[0021] Reference numerals: 1. Spray box; 101. Bottom connecting shell; 2. Filter screen; 3. Oxidation box; 4. Ring; 401. Water outlet; 5. Connecting pipe; 6. Rotating frame; 7. First rotating shaft; 8. Gearbox; 9. Fixed rod; 10. Second rotating shaft; 11. Fan blade; 12. Exhaust gas nozzle; 13. Exhaust gas inlet pipe; 14. Water storage box; 15. Mounting bracket; 16. Servo motor; 17. Nozzle; 18. Water inlet pipe; 19. Connecting shaft. Detailed Implementation

[0022] Example 1

[0023] like Figures 1-3 As shown in the figure, the integrated device for purifying and recovering activated carbon production tail gas proposed in this embodiment includes a spray box 1, a filter screen 2, a turbulence mechanism, and multiple spray mechanisms.

[0024] The spray box 1 is equipped with a transparent observation window, which allows the operator to easily observe the working conditions inside the spray box 1; the lower inner part of the spray box 1 is filled with water; the spray box 1 is equipped with an exhaust gas nozzle 12, and an exhaust gas inlet pipe 13 is connected to the exhaust gas nozzle 12.

[0025] The filter screen 2 is cylindrical, and annular grooves are provided at both ends of the inner wall of the spray box 1. The two ends of the filter screen 2 are respectively placed in the annular grooves on both sides. This arrangement can reduce the gap between the filter screen 2 and the inner wall of the spray box 1, thereby reducing the probability of gas overflowing from the side of the filter screen 2. Both ends of the inner side of the filter screen 2 are connected to rings 4, and multiple connecting shafts 19 are connected between the two rings 4. A rotating frame 6 is connected to one side of the ring 4, and a first rotating shaft 7 is fixed on the rotating frame 6. The first rotating shaft 7 is rotatably mounted on the spray box 1, and a servo motor 16 for driving the first rotating shaft 7 to rotate is installed on the spray box 1.

[0026] Multiple spray mechanisms are installed inside the filter screen 2. The spray mechanism includes a water storage box 14 and two mounting brackets 15. The two mounting brackets 15 are respectively installed on the two rings 4 on both sides. The water storage box 14 is rotatably installed between the two mounting brackets 15. Multiple spray holes are opened on the water storage box 14.

[0027] The turbulence mechanism includes a fan blade 11 rotatably mounted on the upper inner side of the filter screen 2 and a transmission assembly for transmitting the motion of the first rotating shaft 7 to the fan blade 11. The transmission assembly includes a second rotating shaft 10, a first bevel gear, and a second bevel gear. A gearbox 8 is provided inside the spray box 1. A fixed rod 9 is connected between the gearbox 8 and the inner wall of the spray box 1. The first rotating shaft 7 and the second rotating shaft 10 are both rotatably mounted on the gearbox 8. The first bevel gear and the second bevel gear are both located inside the gearbox 8 and are respectively mounted on the ends of the first rotating shaft 7 and the second rotating shaft 10. The first bevel gear meshes with the second bevel gear. The fan blade 11 is mounted on the outer end of the second rotating shaft 10.

[0028] Specifically, when treating exhaust gas, the exhaust gas is transported to the inside of the filter screen 2 through the exhaust gas inlet pipe 13. The exhaust gas flows upward. During this process, the servo motor 16 is activated to drive the filter screen 2 to rotate. The rotation of the filter screen 2 causes multiple water storage boxes 14 to rotate around the first rotating shaft 7. When the water storage box 14 moves to the bottom of the inner side of the spray box 1, the inside of the water storage box 14 is filled with water. After the water storage box 14 separates from the bottom water, the water inside the water storage box 14 is sprayed downward through multiple spray holes. The sprayed water mixes with the particulate matter in the exhaust gas, thereby reducing the particulate matter content in the exhaust gas. The filter screen 2 can intercept the particulate matter in the exhaust gas. During the rotation of the filter screen 2, the water at the bottom of the spray box 1 can clean the surface of the filter screen 2, reducing the chance of the filter screen 2 being blocked, so that the filter screen 2 can filter the exhaust gas for a long time.

[0029] During rotation, the first rotating shaft 7 drives the fan blade 11 to rotate through the cooperation of the transmission components. The fan blade 11 blows air downwards at a low speed, which disperses the incoming exhaust gas and improves the mixing effect of exhaust gas and water. Secondly, it can reduce the flow speed of exhaust gas to a certain extent, thereby prolonging the mixing time of exhaust gas and water. In order to meet the air intake requirements of the fan blade 11 during rotation, an air intake pipe is installed on the spray box 1 above the fan blade 11, and a one-way valve is installed on the air intake pipe.

[0030] Example 2

[0031] like Figure 3 As shown in the figure, this embodiment proposes an integrated device for purifying and recovering activated carbon production tail gas. Compared with the first embodiment, in this embodiment, an oxidation tank 3 is provided on one side of the spray tank 1, and a connecting pipe 5 is provided between the oxidation tank 3 and the spray tank 1. Multiple grids are provided inside the oxidation tank 3, and oxidant is provided on each of the multiple grids. An electric heater is installed inside the oxidation tank 3. The electric heater is used to heat the oxidant so that the carbon monoxide in the tail gas reaches the reaction conditions with the oxidant, and the carbon monoxide is converted into carbon dioxide.

[0032] Example 3

[0033] like Figures 1-3As shown in the figure, this embodiment proposes an integrated device for purifying and recovering activated carbon production tail gas. Compared with the first embodiment, in this embodiment, a nozzle 17 is installed at the bottom of the spray box 1, and a water inlet pipe 18 is connected to the nozzle 17. The water inlet pipe 18 is connected to tap water, and external water is sprayed out through the nozzle 17, thereby achieving the rinsing of the spray box 1. It should be added that a drain pipe is installed at the bottom of the spray box 1, and a valve is installed on the drain pipe. When the water inside the spray box 1 becomes turbid, the sewage inside the spray box 1 can be discharged through the drain pipe. Multiple water flow holes 401 are opened on the ring 4. A bottom connecting shell 101 communicating with the inside is provided at the bottom of the spray box 1. When rinsing the bottom of the filter screen 2, the water and impurities inside the filter screen 2 flow into the bottom of the spray box 1 through the water flow holes 401 and the bottom connecting shell 101.

[0034] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. An activated carbon production tail gas purification and recovery integrated device, characterized by, The utility model relates to a tail gas spraying device, which comprises the following components: A spraying box (1) is filled with water at the lower part of the inside of the spraying box (1); a tail gas spraying head (12) is arranged in the inside of the spraying box (1), and a tail gas inlet pipe (13) is connected to the tail gas spraying head (12); A filter screen (2) is in the shape of a circular tube, and two circular rings (4) are connected to the two ends of the inside of the filter screen (2); a plurality of connecting shafts (19) are connected between the two circular rings (4); a rotating frame (6) is connected to one of the circular rings (4); a first rotating shaft (7) is fixed to the rotating frame (6) and is rotatably arranged in the spraying box (1); a servo motor (16) is arranged on the spraying box (1) and is used to drive the first rotating shaft (7) to rotate; A plurality of spraying mechanisms are arranged on the inside of the filter screen (2); each spraying mechanism comprises a water storage box (14) and two mounting frames (15); the two mounting frames (15) are arranged on the two circular rings (4), respectively; the water storage box (14) is rotatably arranged between the two mounting frames (15); and a plurality of spray holes are formed in the water storage box (14); A flow disturbing mechanism comprises a fan blade (11) rotatably arranged at the upper end of the inside of the filter screen (2) and a transmission assembly used to transmit the movement of the first rotating shaft (7) to the fan blade (11).

2. The activated carbon production exhaust gas purification and recovery integrated device according to claim 1, characterized by An oxidation box (3) is arranged on one side of the spraying box (1); a communication pipe (5) is arranged in communication between the spraying box (1) and the oxidation box (3); a plurality of grids are arranged in the inside of the oxidation box (3); an oxidizing agent is arranged on each of the plurality of grids; and an electric heater is arranged in the inside of the oxidation box (3).

3. The activated carbon production exhaust gas purification and recovery integrated device according to claim 1, characterized by A spraying head (17) is arranged at the lower part of the spraying box (1), and a water inlet pipe (18) is connected to the spraying head (17).

4. The activated carbon production exhaust gas purification and recovery integrated device according to claim 3, characterized by A plurality of water flow holes (401) are formed in the circular ring (4); and a bottom communication housing (101) is arranged at the bottom end of the spraying box (1) and is in communication with the inside of the spraying box (1).

5. The activated carbon production exhaust gas purification and recovery integrated device according to claim 1, characterized by Annular grooves are formed at the two ends of the inner wall of the spraying box (1), and the two ends of the filter screen (2) are arranged in the annular grooves, respectively.

6. The activated carbon production exhaust gas purification and recovery integrated device according to claim 1, characterized by The transmission assembly comprises a second rotating shaft (10), a first bevel gear and a second bevel gear; a gear box (8) is arranged in the inside of the spraying box (1); a fixing rod (9) is connected between the gear box (8) and the inner wall of the spraying box (1); the first rotating shaft (7) and the second rotating shaft (10) are rotatably arranged in the gear box (8); the first bevel gear and the second bevel gear are arranged in the inside of the gear box (8) and are arranged at the ends of the first rotating shaft (7) and the second rotating shaft (10), respectively; the first bevel gear is engaged with the second bevel gear; and the fan blade (11) is arranged at the outer end of the second rotating shaft (10).

7. The activated carbon production exhaust gas purification and recovery integrated device according to claim 1, characterized by A transparent observation window is arranged on the spraying box (1).

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