Desulfurization and denitrification packed tower

Abstract

The utility model relates to the technical field of packed towers, and discloses a desulfurization and denitrification packed tower which comprises a tower body, a stirring mechanism is arranged on the lower portion in the tower body, a cavity is formed in the upper portion in the tower body, a liquid inlet pipe is communicated with the upper portion of one side of the outer wall of the tower body, and one end of the liquid inlet pipe penetrates through the inner wall of the cavity and is communicated with a connecting disc. The bottom wall of the connecting disc is communicated with a plurality of nozzles, the inner bottom wall of the cavity is provided with a plurality of diversion grooves, the bottom ends of the plurality of diversion grooves penetrate through the inner top wall of the tower body, the plurality of diversion grooves are internally and fixedly connected with filler blocks, the middle part of one side of the outer wall of the tower body is communicated with an air inlet pipe, and one end of the air inlet pipe penetrates to the inner wall of the tower body. According to the utility model, gas and liquid can be in full contact in the diversion groove through the diversion groove, and the flowing speed of the gas and the liquid can be reduced through the filler block, so that the utilization rate of the liquid and the desulfurization and denitrification efficiency of the gas can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packed towers, in particular to a desulfurization and denitration packed tower. Background Art

[0002] A packed tower generally refers to a device used for contact between gas and liquid in chemical engineering. It is usually composed of a tower, packing and a spray system. The gas enters the packed tower from the bottom or side, while the liquid is sprayed or flows in from the top. The two contact and react in the packing. The packing can improve the contact efficiency between gas and liquid. Packed towers are widely used in absorption, adsorption, desulfurization, denitrification and other processes.

[0003] After searching, the Chinese patent announcement number: CN204275540U discloses a packed tower; including a tower body, an air inlet, an air outlet, a water inlet, a water outlet and a packing layer, the air inlet is arranged at the lower part of the tower body, the air outlet is arranged at the top of the tower body, the water inlet is arranged at the upper part of the tower body, the water outlet is arranged at the bottom of the tower body, the packing layer is arranged in the middle of the tower body between the air inlet and the water inlet, the water inlet is connected to a water distribution device through a water inlet pipe, the water distribution device includes a water distribution tank and a plurality of nozzles evenly distributed at the end of the water distribution tank, an air distribution channel is arranged on one side of the water distribution tank, the air distribution channel is connected to the air distribution pipe, and the other end of the air distribution pipe extends out of the tower body; the packed tower adopting the technical solution of the utility model is not easy to be blocked and the liquid is evenly distributed; however, the liquid of the packed tower in the application is sprayed directly from the top of the tower. Due to the large cross-sectional area of ​​the tower body, part of the liquid will not be fully in contact with the gas, resulting in low utilization of the liquid and poor desulfurization and denitrification effects. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a desulfurization and denitrification packed tower, aiming to improve the problems of low liquid utilization and poor desulfurization and denitrification effects in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a desulfurization and denitrification packed tower, including a tower body, a stirring mechanism is arranged at the lower part of the tower body, a chamber is opened at the upper part of the tower body, an upper part of one side of the outer wall of the tower body is connected with a liquid inlet pipe, one end of the liquid inlet pipe passes through the inner wall of the chamber and is connected with a connecting plate, a plurality of nozzles are connected to the bottom wall of the connecting plate, a plurality of diversion grooves are opened on the inner bottom wall of the chamber, the bottom ends of the plurality of diversion grooves all pass through the top wall of the tower body, a filling block is fixedly connected to the plurality of diversion grooves, an air inlet pipe is connected to the middle part of one side of the tower body wall, and one end of the air inlet pipe passes through the inner wall of the tower body.

[0006] Through the above technical solution: the utilization rate of liquid and the effect on gas desulfurization and denitrification efficiency can be improved.

[0007] As a further description of the above technical solution:

[0008] The stirring mechanism includes a liquid accumulation chamber, which is opened in the lower part of the tower body and connected to the bottom wall of the tower body. A groove is opened on the top wall of the liquid accumulation chamber. A servo motor is fixedly connected to the lower part of one side of the outer wall of the tower body. The output end of the servo motor passes through the groove and is fixedly connected to bevel gear 1. A bevel gear 2 is meshed on a lower side of the bevel gear. A gear ring is fixedly connected to the bottom wall of bevel gear 2. A plurality of transmission gears are meshed in the gear ring. The bottom ends of the plurality of transmission gears are fixedly connected to spiral rods.

[0009] The above technical solution can prevent impurities from being fully discharged along with the liquid due to precipitation.

[0010] As a further description of the above technical solution:

[0011] The top wall of the connection plate is provided with a plurality of ventilation grooves, and the plurality of ventilation grooves all penetrate the top wall of the connection plate. The top of the tower body is connected with an exhaust pipe.

[0012] Through the above technical solution: the gas after desulfurization and denitrification can be discharged from the tower body.

[0013] As a further description of the above technical solution:

[0014] A fixed plate is fixedly connected to the inner bottom wall of the chamber, a plurality of guide grooves are opened on the top wall of the fixed plate, and the bottom ends of the plurality of guide grooves are all connected to the diversion groove.

[0015] Through the above technical solution, the liquid can fully flow into the diversion groove through the guide groove.

[0016] As a further description of the above technical solution:

[0017] A pressure plate is arranged on the upper side of the plurality of filling blocks, and the plurality of pressure plates are fixedly connected to the inner wall of the diversion groove.

[0018] The above technical solution can prevent the filler blocks from moving upward due to the impact of gas.

[0019] As a further description of the above technical solution:

[0020] A drain pipe is fixedly connected to the lower part of the other side of the outer wall of the tower body, and the drain pipe penetrates to the inner wall of the liquid accumulation cavity.

[0021] Through the above technical solution: the liquid in the effusion cavity can be discharged.

[0022] As a further description of the above technical solution:

[0023] The two top walls of the bevel gear are fixedly connected with a connecting ring, the top end of the connecting ring is rotatably connected to the top wall inside the groove, and the plurality of transmission gears are rotatably connected to the top wall inside the liquid accumulation chamber.

[0024] Through the above technical solution: the rotation stability of the bevel gear 2 and the transmission gear can be ensured.

[0025] As a further description of the above technical solution:

[0026] An inspection tube is fixedly connected to the lower part of the outer wall of the tower body, and the upper and lower ends of the inspection tube are respectively communicated with the upper and lower parts of the liquid accumulation cavity.

[0027] Through the above technical solution, it is convenient for the staff to understand the liquid level position of the liquid stored in the effusion cavity.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, the gas to be desulfurized and denitrated and the liquid used for desulfurization and denitration can be diverted and the circulation area can be reduced through the diverter trough, so that the gas and liquid can fully contact in the diverter trough, and the flow speed of the gas and liquid can be reduced through the filler block, thereby improving the utilization rate of the liquid and the effect on the gas desulfurization and denitration efficiency.

[0030] 2. In the utility model, by starting the servo motor, bevel gear 1, bevel gear 2 and the gear ring can be driven to rotate, thereby driving multiple transmission gears and the screw rod to rotate and stir the reacted liquid stored in the liquid accumulation chamber, thereby preventing impurities from being fully discharged with the liquid due to precipitation. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A three-dimensional diagram of the desulfurization and denitrification packed tower proposed by the utility model;

[0032] Figure 2 This is a front cross-sectional view of the desulfurization and denitrification packed tower proposed by the utility model;

[0033] Figure 3 This is a bottom-up cross-sectional view of the desulfurization and denitrification packed tower proposed by the utility model;

[0034] Figure 4 This is a top sectional view of the desulfurization and denitrification packed tower proposed by the utility model.

[0035] Legend:

[0036] 1. Tower body; 2. Stirring mechanism; 201. Servo motor; 202. Inspection tube; 203. Liquid accumulation chamber; 204. Transmission gear; 205. Groove; 206. Bevel gear one; 207. Bevel gear two; 208. Connecting ring; 209. Screw rod; 210. Gear ring; 211. Liquid discharge pipe; 3. Exhaust pipe; 4. Liquid inlet pipe; 5. Inlet pipe; 6. Nozzle; 7. Fixed plate; 8. Guide groove; 9. Diverter groove; 10. Filling block; 11. Press plate; 12. Chamber; 13. Breathing groove; 14. Connecting plate. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] Reference Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a desulfurization and denitration packed tower, including a tower body 1, a stirring mechanism 2 is arranged at the lower part of the tower body 1, a chamber 12 is opened at the upper part of the tower body 1, a liquid inlet pipe 4 is connected to the upper part of one side of the outer wall of the tower body 1, one end of the liquid inlet pipe 4 passes through the inner wall of the chamber 12 and is connected to a connecting plate 14, a plurality of nozzles 6 are connected to the bottom wall of the connecting plate 14, a plurality of diverter grooves 9 are opened on the inner bottom wall of the chamber 12, the bottom ends of the plurality of diverter grooves 9 all pass through the inner top wall of the tower body 1, a plurality of filler blocks 10 are fixedly connected to the plurality of diverter grooves 9, an air inlet pipe 5 is connected to the middle part of one side of the outer wall of the tower body 1, one end of the air inlet pipe 5 passes through the inner wall of the tower body 1; a plurality of air permeable grooves 13 are opened on the top wall of the connecting plate 14, and a plurality of air permeable grooves 13 all pass through the top wall of the connecting plate 14, and an exhaust pipe 3 is connected to the top of the tower body 1;

[0039] Specifically, the gas to be desulfurized and denitrated can be input into the tower body 1 through the air inlet pipe 5. When the gas enters the tower body 1, it will rise and enter the diverter trough 9. The liquid for desulfurization and denitration can be input into the tower body 1 through the liquid inlet pipe 4. When the liquid enters the tower body 1, it will enter the connecting plate 14 along the liquid inlet pipe 4, and be sprayed out through the multiple nozzles 6 connected to the bottom wall of the connecting plate 14. Since the multiple nozzles 6 correspond to the diverter troughs 9 respectively, the liquid sprayed by the nozzles 6 will be sprayed into the diverter troughs 9 and flow down, and in the diverter troughs 9, the liquid The gas to be desulfurized and denitrated and the liquid used for desulfurization and denitration in the tower body 1 can be diverted and their circulation area can be reduced, so that the gas and liquid can fully contact in the diverter trough 9, and the filling block 10 arranged in the diverter trough 9 can reduce the circulation speed of the gas and liquid in the diverter trough 9, thereby improving the utilization rate of the liquid and the effect on the gas desulfurization and denitration efficiency. After desulfurization and denitration, the gas will be discharged through the top of the diverter trough 9 and continue to rise through the air permeable groove 13, and finally discharged from the tower body 1 from the exhaust pipe 3 at the top of the tower body 1.

[0040] Reference Figure 1 and Figure 2 The stirring mechanism 2 includes a liquid accumulation chamber 203, which is arranged at the lower part of the tower body 1 and communicated with the inner bottom wall of the tower body 1. A groove 205 is arranged on the inner top wall of the liquid accumulation chamber 203. A servo motor 201 is fixedly connected to the lower part of one side of the outer wall of the tower body 1. The output end of the servo motor 201 passes through the groove 205 and is fixedly connected to a bevel gear 1 206. A bevel gear 207 is meshed with the lower side of the bevel gear 1 206. The bottom wall of the bevel gear 207 is fixedly connected to a gear ring 21 0, a plurality of transmission gears 204 are meshed in the gear ring 210, and the bottom ends of the plurality of transmission gears 204 are fixedly connected to a spiral rod 209; a drainage pipe 211 is fixedly connected to the lower part of the other side of the outer wall of the tower body 1, and the drainage pipe 211 penetrates to the inner wall of the liquid accumulation chamber 203; a connecting ring 208 is fixedly connected to the top wall of the bevel gear 207, and the top end of the connecting ring 208 is rotatably connected to the inner top wall of the groove 205, and the plurality of transmission gears 204 are rotatably connected to the inner top wall of the liquid accumulation chamber 203;

[0041] Specifically, the liquid after reacting with the gas will flow down through the bottom of the diverter trough 9 and flow into the liquid accumulation chamber 203 for accumulation. When it accumulates to a certain volume and needs to be discharged, the staff can start the servo motor 201 to drive the bevel gear 1 206 fixed at the output end to rotate. When the bevel gear 1 206 rotates, it can drive the meshing bevel gear 2 207 to rotate, and when the bevel gear 207 rotates, it can drive the connecting ring 208 to rotate. The stability of the rotation of the bevel gear 207 can be ensured by the connecting ring 208. When the bevel gear 207 rotates, it can drive the gear ring 210 to rotate. The gear ring 210 can drive the meshing multiple transmission gears 204 to rotate, so that the spiral rod 209 connected to the gear ring 210 can rotate and stir the post-reaction liquid stored in the liquid accumulation chamber 203 and the impurities precipitated at the bottom of the liquid accumulation chamber 203, so as to achieve the effect of preventing the impurities from being fully discharged with the liquid due to precipitation when discharging through the discharge pipe 211.

[0042] Reference Figure 2 and Figure 4 The bottom wall of the chamber 12 is fixedly connected with a fixed plate 7, and the top wall of the fixed plate 7 is provided with a plurality of guide grooves 8, and the bottom ends of the plurality of guide grooves 8 are all connected with the diversion groove 9; the upper sides of the plurality of filler blocks 10 are provided with a pressing plate 11, and the plurality of pressing plates 11 are fixedly connected to the inner wall of the diversion groove 9;

[0043] Specifically, by providing a fixed disk 7 and a guide groove 8 on the fixed disk 7, the liquid sprayed through the nozzle 6 can be guided so that the liquid can fully flow into the diversion groove 9 through the guide groove 8; by providing a pressure plate 11, pressure can be applied to the filling block 10 to prevent the filling block 10 from moving upward due to the impact of the gas.

[0044] Reference Figure 1 and Figure 2 The lower part of the outer wall of the tower body 1 is fixedly connected with an inspection tube 202, and the upper and lower ends of the inspection tube 202 are respectively connected with the upper and lower parts of the liquid accumulation chamber 203;

[0045] Specifically, after the liquid enters the liquid accumulation chamber 203, since the inspection tube 202 is connected to the liquid accumulation chamber 203, the liquid will also flow into the liquid accumulation chamber 203. By setting the middle part of the inspection tube 202 to a transparent material, it is easy for the staff to understand the liquid level position of the liquid stored in the liquid accumulation chamber 203.

[0046] Working principle: In actual use, the gas to be desulfurized and denitrated will rise into the diverter trough 9 after entering the tower body 1, and the liquid entering through the liquid inlet pipe 4 will be sprayed out through the nozzle 6 and flow down into the diverter trough 9 respectively. Under the action of the diverter trough 9, the gas to be desulfurized and denitrated in the tower body 1 and the liquid used for desulfurization and denitration can be diverted and the circulation area can be reduced, so that the gas and liquid can be fully in contact in the diverter trough 9, and the filling block 10 arranged in the diverter trough 9 can reduce the circulation speed of the gas and liquid, thereby improving the utilization rate of the liquid and the effect on the gas desulfurization and denitration efficiency; in addition, by starting the servo motor 201, the bevel gear 1 206 and the bevel gear 2 207 can be driven to rotate, so that the gear ring 210 can drive the multiple transmission gears 204 to rotate, so that the spiral rod 209 connected to the gear ring 210 can rotate and stir the reacted liquid stored in the liquid accumulation chamber 203, so as to prevent the impurities from being fully discharged with the liquid due to precipitation.

[0047] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A desulfurization and denitrification packed tower, comprising a tower body (1), characterized in that: A stirring mechanism (2) is arranged at the lower inner part of the tower body (1); a chamber (12) is provided at the upper inner part of the tower body (1); a liquid inlet pipe (4) is connected to the upper part of one side of the outer wall of the tower body (1); one end of the liquid inlet pipe (4) passes through the inner wall of the chamber (12) and is connected to a connecting plate (14); the bottom wall of the connecting plate (14) is connected to a plurality of nozzles (6); a plurality of diversion grooves (9) are provided at the inner bottom wall of the chamber (12); the bottom ends of the plurality of diversion grooves (9) all pass through the inner top wall of the tower body (1); a filling block (10) is fixedly connected to the plurality of diversion grooves (9); an air inlet pipe (5) is connected to the middle part of one side of the outer wall of the tower body (1); one end of the air inlet pipe (5) passes through the inner wall of the tower body (1).

2. The desulfurization and denitrification packed tower according to claim 1, characterized in that: The stirring mechanism (2) comprises a liquid accumulation chamber (203), the liquid accumulation chamber (203) being arranged in the lower part of the tower body (1) and being connected to the inner bottom wall of the tower body (1), the inner top wall of the liquid accumulation chamber (203) being arranged with a groove (205), a servo motor (201) being fixedly connected to the lower part of one side of the outer wall of the tower body (1), the output end of the servo motor (201) passing through the groove (205) and being fixedly connected to a bevel gear 1 (206), a bevel gear 2 (207) being meshed on the lower side of the bevel gear 1 (206), a gear ring (210) being fixedly connected to the bottom wall of the bevel gear 2 (207), a plurality of transmission gears (204) being meshed in the gear ring (210), and a spiral rod (209) being fixedly connected to the bottom ends of the plurality of transmission gears (204).

3. The desulfurization and denitrification packed tower according to claim 1, characterized in that: The top wall of the connection plate (14) is provided with a plurality of ventilation grooves (13), and the plurality of ventilation grooves (13) all penetrate the top wall of the connection plate (14). The top end of the tower body (1) is connected to an exhaust pipe (3).

4. The desulfurization and denitrification packed tower according to claim 1, characterized in that: A fixed plate (7) is fixedly connected to the inner bottom wall of the chamber (12), and a plurality of guide grooves (8) are provided on the top wall of the fixed plate (7), and the bottom ends of the plurality of guide grooves (8) are all connected to the diversion groove (9).

5. The desulfurization and denitrification packed tower according to claim 1, characterized in that: A pressing plate (11) is provided on the upper side of each of the plurality of filler blocks (10), and each of the plurality of pressing plates (11) is fixedly connected to the inner wall of the diverter slot (9).

6. The desulfurization and denitrification packed tower according to claim 2, characterized in that: A liquid discharge pipe (211) is fixedly connected to the lower portion of the other side of the outer wall of the tower body (1), and the liquid discharge pipe (211) penetrates to the inner wall of the liquid accumulation chamber (203).

7. The desulfurization and denitrification packed tower according to claim 2, characterized in that: The top wall of the second bevel gear (207) is fixedly connected with a connecting ring (208), the top end of the connecting ring (208) is rotatably connected to the inner top wall of the groove (205), and the plurality of transmission gears (204) are all rotatably connected to the inner top wall of the fluid accumulation chamber (203).

8. The desulfurization and denitrification packed tower according to claim 2, characterized in that: An inspection tube (202) is fixedly connected to the lower portion of the outer wall of the tower body (1), and the upper and lower ends of the inspection tube (202) are respectively connected to the upper and lower portions of the liquid accumulation chamber (203).

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