Atomizing device for flue gas purification

Abstract

The utility model discloses an atomizing device for flue gas purification, comprising an atomizing tower; a smoke inlet pipe is arranged on the top of the atomizing tower; a liquid inlet pipe is arranged on the upper part of the atomizing tower, and the liquid inlet pipe is connected to a liquid distribution plate; a liquid outlet hole of the liquid distribution plate is connected to a dispersion plate, and a disperser is arranged at each channel outlet of the dispersion plate; a plurality of guide buckets are arranged below the disperser, and the outlet of the guide bucket is connected to an upper orifice plate with a through hole; the through hole of the upper orifice plate is connected to a spiral atomizing pipe, and the bottom of the spiral atomizing pipe is connected to a waterproof motor, and the waterproof motor is connected to a lower orifice plate; a liquid outlet is arranged at the bottom of the atomizing tower, and a smoke outlet pipe is arranged on the side wall of the bottom of the atomizing tower. The utility model has the advantages of simple structure, convenient use, easy maintenance, good atomization effect, and less atomizing liquid consumption.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas treatment, and more specifically to an atomizing device for flue gas purification. Background Art

[0002] With the large-scale development of industrialization, the amount of flue gas emitted by industrial kilns and power plant boilers has increased year by year, causing a significant increase in the concentration of fine particulate matter in the atmosphere, posing a great threat to human health and the quality of the atmospheric environment.

[0003] At present, most industrial furnaces have installed dust removal equipment on the flue. In the existing technology, wet dust removal devices generally use an infusion pump to spray liquid medicine into the flue gas through a nozzle. A high-lift infusion pump is required to generate high pressure at the nozzle to ensure that the sprayed liquid medicine forms droplets. Due to the flushing of the liquid medicine, the nozzle wears quickly, making the spray surface narrower, the droplets larger, and the purification efficiency greatly reduced.

[0004] Therefore, there is an urgent need for an atomizing device for flue gas purification. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an atomizing device for flue gas purification to solve the problems in the background technology.

[0006] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows.

[0007] A smoke purification atomization device comprises an atomization tower; a smoke inlet pipe is arranged on the top of the atomization tower; a liquid inlet pipe for conveying atomized liquid is arranged on the upper part of the atomization tower, and the liquid inlet pipe is connected to a liquid distribution plate with a plurality of liquid outlet holes; the liquid outlet holes of the liquid distribution plate are connected to a dispersion plate with a plurality of channels, and each channel outlet of the dispersion plate is provided with a disperser for atomizing the atomized liquid; a plurality of guide hoppers are arranged below the disperser, and the outlets of the guide hoppers are connected to an upper perforated plate with through holes, and there is a channel for smoke to pass between the guide hoppers and the wall of the atomization tower; the through holes of the upper perforated plate are connected to a spiral atomization pipe, and the bottom of the spiral atomization pipe is connected to a waterproof motor for providing power, and the waterproof motor is connected to a lower perforated plate with through holes horizontally arranged inside the atomization tower; a liquid outlet is arranged at the bottom of the atomization tower, and a smoke outlet pipe is arranged on the side wall of the bottom of the atomization tower.

[0008] To further optimize the technical solution, the liquid inlet pipe is connected to an air inlet pipe, and an air pump is provided on the air inlet pipe.

[0009] To further optimize the technical solution, the liquid outlet is connected to a circulation pipe, the other end of the circulation pipe is connected to the liquid inlet pipe, and a circulation pump is arranged on the circulation pipe.

[0010] To further optimize the technical solution, a filter plate for filtering particles in the smoke is provided below the smoke inlet pipe.

[0011] To further optimize the technical solution, the height of the lower perforated plate is higher than the height of the smoke outlet pipe.

[0012] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0013] The utility model provides an atomizing device for flue gas purification, which removes particulate impurities in flue gas through a filter plate, reduces the difficulty of atomization, saves the amount of atomization, and is also conducive to the maintenance of the atomizing tower; the disperser is used for preliminary atomization, and the spiral atomizer is used for secondary atomization, which improves the atomization effect; the circulation pipe is set to realize the reuse of the atomizing liquid, saving the cost of flue gas treatment. The utility model has the advantages of simple structure, convenient use, easy maintenance, good atomization effect, and less amount of atomizing liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Among them: 1. atomization tower, 2. smoke inlet pipe, 3. filter plate, 4. smoke outlet pipe, 5. liquid distribution tray, 6. liquid inlet pipe, 7. air inlet pipe, 8. air pump, 9. circulation pipe, 10. circulation pump, 11. disperser, 12. dispersion plate, 13. spiral atomization tube, 14. lower orifice plate, 15. waterproof motor, 16. upper orifice plate, 17. guide bucket. DETAILED DESCRIPTION

[0016] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0017] A kind of atomizing device for flue gas purification, combined with Figure 1 As shown, it includes an atomizing tower 1, a smoke inlet pipe 2, a filter plate 3, a smoke outlet pipe 4, a liquid distribution tray 5, a liquid inlet pipe 6, an air inlet pipe 7, an air pump 8, a circulation pipe 9, a circulation pump 10, a disperser 11, a dispersion plate 12, a spiral atomizing pipe 13, a lower orifice plate 14, a waterproof motor 15, an upper orifice plate 16, and a guide bucket 17.

[0018] A smoke inlet pipe 2 is arranged on the top of the atomizing tower 1 , and a filter plate 3 is arranged below the smoke inlet pipe 2 . The filter plate 3 is used to filter particles in the smoke to prevent impurities from clogging the atomizing tower 1 .

[0019] The upper part of the atomizing tower 1 is provided with a liquid inlet pipe 6 for conveying atomized liquid, and a valve is provided on the liquid inlet pipe 6 to adjust the amount of liquid inlet. The liquid inlet pipe 6 is connected with an air inlet pipe 7, and an air pump 8 is provided on the air inlet pipe 7. Under the action of the airflow, the pressure of the liquid is greater and the flow speed is accelerated, which is conducive to improving the atomization effect.

[0020] The liquid inlet pipe 6 is connected to a liquid distribution plate 5 with a plurality of liquid outlet holes, and the liquid distribution plate 5 is arranged on the central axis of the atomizing tower 1. The liquid outlet holes of the liquid distribution plate 5 are connected to a dispersion plate 12 with a plurality of channels, and each channel outlet of the dispersion plate 12 is provided with a disperser 11 for atomizing the atomized liquid. The atomized liquid is sprayed onto the conical surface of the disperser 11 and the through holes arranged thereon at a relatively fast speed, so as to realize partial atomization of the atomized liquid.

[0021] A plurality of guide hoppers 17 are arranged below the disperser 11, and there is a passage for flue gas to pass between the guide hoppers 17 and the wall of the atomizing tower 1. The outlet of the guide hopper 17 is connected to an upper orifice plate 16 with a through hole, and the through hole of the upper orifice plate 16 is connected to a spiral atomizing tube 13. A spiral channel is arranged in the spiral atomizing tube 13, and a throw-out port is arranged on the tube wall. In the process of flowing along the trajectory of the spiral atomizing tube 13, under the action of centrifugal force, gravity and the reaction force of the spiral atomizing tube 13, the atomized liquid will repeatedly collide with the spiral atomizing tube 13 and the inner wall of the atomizing tower 1. The collision is conducive to the contact, mixing and reaction of the atomized liquid with the flue gas in the reaction space, and is also conducive to the atomization of the slurry, which is conducive to improving the absorption efficiency of the absorbent to pollutants and improving the flue gas purification effect.

[0022] The bottom of the spiral atomizing tube 13 is connected to a waterproof motor 15 for providing power, and the waterproof motor 15 is connected to a lower orifice plate 14 with through holes which is horizontally arranged inside the atomizing tower 1 .

[0023] A liquid outlet is provided at the bottom of the atomizing tower 1, and the liquid outlet is connected to a circulation pipe 9, the other end of the circulation pipe 9 is connected to a liquid inlet pipe 6, and a circulation pump 10 is provided on the circulation pipe 9 to realize the circulation of the atomized liquid.

[0024] A smoke outlet pipe 4 is arranged on the side wall at the bottom of the atomizing tower 1 , and the height of the lower perforated plate 14 is higher than that of the smoke outlet pipe 4 .

[0025] When the utility model is actually used, the liquid inlet pipe and the air inlet pipe are first opened, and the atomized liquid passes through the liquid distribution plate and enters the dispersion plate. Under the action of the disperser, part of the atomized liquid is atomized. The atomized droplets and the unatomized atomized liquid pass through the guide bucket and enter the spiral atomization pipe. The spiral atomization pipe atomizes the atomized liquid again, and an atomized atmosphere is formed in the tower body. The smoke inlet pipe is opened, and the smoke enters the atomization tower and mixes with the atomized atomized liquid. The purified smoke is discharged from the atomization tower through the smoke outlet pipe. Under the action of the circulation pump, the atomized liquid passes through the circulation pipe and returns to the liquid inlet pipe for recycling.

Claims

1. A flue gas purification atomization device, characterized in that: The invention comprises an atomizing tower (1); a smoke inlet pipe (2) is arranged at the top of the atomizing tower (1); a liquid inlet pipe (6) for conveying atomized liquid is arranged at the upper part of the atomizing tower (1), and the liquid inlet pipe (6) is connected to a liquid distribution plate (5) with a plurality of liquid outlet holes; the liquid outlet holes of the liquid distribution plate (5) are connected to a dispersion plate (12) with a plurality of channels, and each channel outlet of the dispersion plate (12) is provided with a disperser (11) for atomizing the atomized liquid; a plurality of flow guide hoppers (17) are arranged below the disperser (11), and the outlets of the flow guide hoppers (17) are connected to the dispersion plate (12) with a plurality of channels; An upper perforated plate (16) with a through hole is connected, and a passage for smoke to pass through exists between the guide hopper (17) and the wall of the atomizing tower (1); the through hole of the upper perforated plate (16) is connected to a spiral atomizing tube (13), the bottom of the spiral atomizing tube (13) is connected to a waterproof motor (15) for providing power, and the waterproof motor (15) is connected to a lower perforated plate (14) with a through hole which is horizontally arranged inside the atomizing tower (1); a liquid outlet is arranged at the bottom of the atomizing tower (1), and a smoke outlet pipe (4) is arranged on the side wall of the bottom of the atomizing tower (1).

2. The atomizing device for flue gas purification according to claim 1, characterized in that: The liquid inlet pipe (6) is connected to an air inlet pipe (7), and an air pump (8) is provided on the air inlet pipe (7).

3. The atomizing device for flue gas purification according to claim 2, characterized in that: The liquid outlet is connected to a circulation pipe (9), the other end of the circulation pipe (9) is connected to a liquid inlet pipe (6), and a circulation pump (10) is arranged on the circulation pipe (9).

4. The atomizing device for flue gas purification according to claim 1, characterized in that: A filter plate (3) for filtering particles in the smoke is arranged below the smoke inlet pipe (2).

5. The atomizing device for flue gas purification according to claim 1, characterized in that: The height of the lower perforated plate (14) is higher than the height of the smoke outlet pipe (4).

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