Multi-stage waste gas washing tower

Abstract

The utility model belongs to the technical field of washing towers, and particularly relates to a multi-stage waste gas washing tower which comprises a bottom plate, the bottom of the washing tower body is fixedly connected with the left side of the top of the bottom plate; the right side of the washing tower body is communicated with the water tank, and the bottom of the water tank is fixedly connected with the right side of the top of the bottom plate; the left side of the washing tower body is communicated with the air inlet pipe; the top of the washing tower body is communicated with the smoke outlet pipe; according to the utility model, the cleaning mechanism is matched for use to clean the first filter screen and prevent the first filter screen from being blocked, and the washing mechanism is matched for use, so that waste gas can be uniformly dispersed, the residence time of flue gas in the washing tower can be prolonged, and the contact time of the flue gas and washing liquid is prolonged; particulate matters and harmful gases in the flue gas are promoted to be absorbed by the washing liquid, and the gas-liquid separation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of washing towers, in particular to a multi-stage exhaust gas washing tower. Background Art

[0002] A scrubber is a device used to treat harmful substances in industrial waste gas or exhaust gas. It is also called an absorption tower or tower absorber. It usually consists of a tower body, filler (or tower plate), spray system, air inlet, air outlet and other parts.

[0003] A Chinese patent document with publication number CN215027190U discloses a multi-stage exhaust gas washing tower, including a washing tower body, an air inlet pipe and an air outlet pipe. A water storage tank is closely provided on one side of the outside of the washing tower body, and the water storage tank and the interior of the washing tower body are connected. A connecting pipe is provided on the upper side of the water storage tank away from the washing tower body, and a measuring cup is installed at one end of the connecting pipe. The utility model arranges a measuring cup and a connecting pipe on one side of the water storage tank, and a filter mesh and a second filter mesh on the other side.

[0004] When the equipment filters the exhaust gas, there are still some solid particles in the exhaust gas after the initial filtration, and the solid particles in the exhaust gas are sticky after mixing with water vapor, which can easily cause the first filter to be blocked. The first filter needs to be cleaned frequently, which is troublesome to use. Secondly, after the exhaust gas enters the washing tower, the smoke is relatively concentrated and cannot be dispersed, and the spraying range of the fixed nozzle is relatively limited. The water mist cannot fully contact the particles in the exhaust gas, which is not conducive to people's use. Therefore, the utility model proposes a multi-stage exhaust gas washing tower to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that when the equipment is filtering the exhaust gas, some solid particles still remain in the exhaust gas after the initial filtration, and the solid particles in the exhaust gas are sticky after mixing with water vapor, which can easily lead to the clogging of the first filter screen. The first filter screen needs to be cleaned frequently, which is troublesome to use. Secondly, the exhaust gas is relatively concentrated after entering the intake pipe and cannot be dispersed. The spraying range of the fixed nozzle is relatively limited, and the water mist cannot fully contact with the particles in the exhaust gas, which is not conducive to people's use. A multi-stage exhaust gas washing tower is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A multi-stage exhaust gas scrubbing tower, comprising:

[0008] Base plate;

[0009] A washing tower body, wherein the bottom of the washing tower body is fixedly connected to the left side of the top of the bottom plate;

[0010] A water tank, wherein the right side of the washing tower body is connected to the water tank, and the bottom of the water tank is fixedly connected to the right side of the top of the bottom plate;

[0011] An air inlet pipe, the left side of the scrubber body being connected to the air inlet pipe;

[0012] A smoke outlet pipe, the top of the scrubbing tower body is connected to the smoke outlet pipe;

[0013] A first filter screen, wherein the first filter screen is fixedly disposed at the top of the inner cavity of the washing tower body;

[0014] A second filter screen, the second filter screen is fixedly disposed in the inner cavity of the washing tower body and is located at the connection between the washing tower body and the water tank;

[0015] A cleaning mechanism, the cleaning mechanism is located at the bottom of the first filter screen, and the cleaning mechanism is used to clean the first filter screen to prevent the first filter screen from clogging the water tank;

[0016] The washing mechanism is located in the inner cavity of the washing tower body and at the bottom of the washing mechanism, and is used to wash solid particles in the exhaust gas.

[0017] As a preferred solution of the utility model, the cleaning mechanism includes: a fixed box, a motor, a rotating wheel, a transmission block, a connecting rod, a sliding rod, a transmission frame, a transmission rod and a brush plate;

[0018] The left side of the washing tower body is fixedly connected to the fixed box, the front side of the motor is fixedly connected to the rear side of the fixed box, the output end of the motor passes through the inner cavity of the fixed box and is fixedly connected to the rotor, the left side of the front side of the rotor is fixedly connected to the transmission block, the left side of the connecting rod is rotatably sleeved on the surface of the transmission block, the right side of the connecting rod is rotatably connected to the sliding rod through the rotating shaft, the right side of the sliding rod passes through the inner cavity of the washing tower body and is fixedly connected to the transmission frame, the inner cavities on the front and rear sides of the transmission frame are slidably connected to the transmission rod, both sides of the transmission rod are fixedly connected to the inner wall of the washing tower body, and the top of the transmission frame is fixedly connected to the brush plate.

[0019] As a preferred solution of the utility model, the washing mechanism includes: a water pipe, a water pump, a bearing, a guide shell, a guide pipe, a nozzle and a guide plate;

[0020] The water pipe is arranged in the inner cavity of the water tank, the top of the water pipe passes through the water tank and is connected to the water pump, the left side of the water pipe passes through the inner cavity of the washing tower body, the surface of the left side of the water pipe is rotatably connected to the bearing, the surface of the bearing is fixedly connected to the inner wall of the guide shell, the surface of the guide shell is connected to the guide pipe, the surface of the guide pipe is connected to the nozzle, and the guide plate is arranged in the inner cavity of the washing tower body and is located at the bottom of the nozzle.

[0021] As a preferred solution of the utility model, a through hole is provided on the rear side of the fixing box, and an opening is provided on the right side of the fixing box.

[0022] As a preferred solution of the utility model, limiting holes are provided on the left sides of the front side and the rear side of the transmission frame, and the number of brush plates is four.

[0023] As a preferred solution of the utility model, the number of the flow guide pipes is six, the number of the nozzles is eighteen, and the nozzles are evenly distributed on the surface of the flow guide pipes.

[0024] Beneficial effects:

[0025] 1. The first filter screen can be cleaned by using the fixed box, the motor, the rotating wheel, the transmission block, the connecting rod, the sliding rod, the transmission frame, the transmission rod and the brush plate to prevent the first filter screen from being blocked;

[0026] 2. Through the coordinated use of water pipes, water pumps, bearings, guide shells, guide pipes, nozzles and guide plates, the exhaust gas can be evenly dispersed, and the residence time of the flue gas in the scrubber can be extended, the contact time between the flue gas and the scrubbing liquid can be increased, and the particulate matter and harmful gases in the flue gas can be absorbed by the scrubbing liquid, thereby improving the gas-liquid separation efficiency;

[0027] In the utility model: the first filter screen can be cleaned through the coordinated use of the cleaning mechanism to prevent the first filter screen from being blocked, and the coordinated use of the washing mechanism can not only make the exhaust gas evenly dispersed, but also prolong the residence time of the flue gas in the washing tower, increase the contact time between the flue gas and the washing liquid, promote the particulate matter and harmful gases in the flue gas to be absorbed by the washing liquid, and improve the gas-liquid separation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the structure of the utility model;

[0029] Figure 2 It is a cross-sectional view of the washing tower body and water tank of the utility model;

[0030] Figure 3 This is a schematic diagram of the motor and transmission frame structure of the utility model;

[0031] Figure 4 It is a cross-sectional view of the guide shell of the utility model.

[0032] In the figure: 1. bottom plate; 2. washing tower body; 3. water tank; 4. air inlet pipe; 5. smoke outlet pipe; 6. first filter screen; 7. second filter screen; 8. fixing box; 9. motor; 10. rotating wheel; 11. transmission block; 12. connecting rod; 13. sliding rod; 14. transmission frame; 15. transmission rod; 16. brush plate; 17. water pipe; 18. water pump; 19. bearing; 20. guide shell; 21. guide pipe; 22. nozzle; 23. guide plate. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0034] Example

[0035] Reference Figure 1-Figure 4 , a multi-stage exhaust gas scrubber, comprising:

[0036] Bottom plate 1;

[0037] The washing tower body 2, the bottom of the washing tower body 2 is fixedly connected to the left side of the top of the bottom plate 1;

[0038] A water tank 3, the right side of the washing tower body 2 is connected to the water tank 3, and the bottom of the water tank 3 is fixedly connected to the right side of the top of the bottom plate 1;

[0039] The air inlet pipe 4 is connected to the left side of the washing tower body 2;

[0040] A smoke outlet pipe 5, the top of the washing tower body 2 is connected to the smoke outlet pipe 5;

[0041] A first filter screen 6, the first filter screen 6 is fixedly arranged at the top of the inner cavity of the washing tower body 2;

[0042] A second filter screen 7, which is fixedly disposed in the inner cavity of the washing tower body 2 and is located at the connection between the washing tower body 2 and the water tank 3;

[0043] A cleaning mechanism, which is located at the bottom of the first filter screen 6 and is used to clean the first filter screen 6 to prevent the first filter screen 6 from clogging the water tank 3;

[0044] The washing mechanism is located in the inner cavity of the washing tower body 2 and at the bottom of the washing mechanism. The washing mechanism is used to wash the solid particles in the exhaust gas.

[0045] As a preferred solution of the utility model, the cleaning mechanism includes: a fixed box 8, a motor 9, a rotating wheel 10, a transmission block 11, a connecting rod 12, a sliding rod 13, a transmission frame 14, a transmission rod 15 and a brush plate 16;

[0046] The left side of the washing tower body 2 is fixedly connected to the fixed box 8, the front side of the motor 9 is fixedly connected to the rear side of the fixed box 8, the output end of the motor 9 passes through the inner cavity of the fixed box 8 and is fixedly connected to the rotating wheel 10, the left side of the front side of the rotating wheel 10 is fixedly connected to the transmission block 11, the left side of the connecting rod 12 is rotatably sleeved on the surface of the transmission block 11, the right side of the connecting rod 12 is rotatably connected to the sliding rod 13 through the rotating shaft, the right side of the sliding rod 13 passes through the inner cavity of the washing tower body 2 and is fixedly connected to the transmission frame 14, the inner cavities on the front and rear sides of the transmission frame 14 are slidably connected to the transmission rod 15, both sides of the transmission rod 15 are fixedly connected to the inner wall of the washing tower body 2, and the top of the transmission frame 14 is fixedly connected to the brush plate 16. The first filter screen 6 can be cleaned by the coordinated use of the fixed box 8, the motor 9, the rotating wheel 10, the transmission block 11, the connecting rod 12, the sliding rod 13, the transmission frame 14, the transmission rod 15 and the brush plate 16 to prevent the first filter screen 6 from being blocked.

[0047] As a preferred solution of the utility model, the washing mechanism includes: a water pipe 17, a water pump 18, a bearing 19, a guide shell 20, a guide pipe 21, a nozzle 22 and a guide plate 23;

[0048] The water pipe 17 is arranged in the inner cavity of the water tank 3, the top of the water pipe 17 passes through the water tank 3 and is connected to the water pump 18, the left side of the water pipe 17 passes through the inner cavity of the washing tower body 2, the surface of the left side of the water pipe 17 is rotatably connected to the bearing 19, the surface of the bearing 19 is fixedly connected to the inner wall of the guide shell 20, the surface of the guide shell 20 is connected to the guide pipe 21, the surface of the guide pipe 21 is connected to the nozzle 22, and the guide plate 23 is arranged in the inner cavity of the washing tower body 2 and is located at the bottom of the nozzle 22. Through the coordinated use of the water pipe 17, the water pump 18, the bearing 19, the guide shell 20, the guide pipe 21, the nozzle 22 and the guide plate 23, the exhaust gas can be evenly dispersed, and the residence time of the flue gas in the washing tower can be extended, the contact time between the flue gas and the washing liquid can be increased, the particulate matter and harmful gases in the flue gas are promoted to be absorbed by the washing liquid, and the gas-liquid separation efficiency is improved.

[0049] As a preferred solution of the utility model, a through hole is opened on the rear side of the fixed box 8, and an opening is opened on the right side of the fixed box 8. The through hole is opened on the rear side of the fixed box 8 to facilitate the use of the output end of the motor 9 and the rotating wheel 10, and the opening is opened on the right side of the fixed box 8 to facilitate the movement of the slide rod 13.

[0050] As a preferred solution of the utility model, limiting holes are provided on the left side of the front and rear sides of the transmission frame 14, and there are four brush plates 16. The limiting holes provided in the transmission frame 14 can facilitate the transmission rod 15 to limit the transmission frame 14.

[0051] As a preferred solution of the utility model, the number of guide tubes 21 is six, the number of nozzles 22 is eighteen, and the nozzles 22 are evenly distributed on the surface of the guide tubes 21. By setting six guide tubes 21 and eighteen nozzles 22, the washing liquid can be fully sprayed.

[0052] By means of the above structure: the first filter 6 can be cleaned by the cooperation of the cleaning mechanism to prevent the first filter 6 from being blocked. The cooperation of the washing mechanism can not only make the exhaust gas evenly dispersed, but also extend the residence time of the flue gas in the washing tower, increase the contact time between the flue gas and the washing liquid, promote the particulate matter and harmful gases in the flue gas to be absorbed by the washing liquid, and improve the gas-liquid separation efficiency.

[0053] It should be noted that the specific types of motor 9 and water pump 18 to be used are selected by the relevant technical personnel familiar with the field, and the above motor 9 and water pump 18 are all existing technologies and will not be elaborated in this solution.

[0054] The working principle of the utility model is as follows: after the exhaust gas enters the interior of the washing tower body 2 through the air inlet pipe 4, the smoke is evenly dispersed by the guide plate 23. At this time, the water pump 18 needs to be turned on. The water pump 18 extracts the washing liquid in the water tank 3 through the water pipe 17 and transports it to the guide shell 20. The washing liquid is evenly transported to each guide pipe 21 through the guide shell 20, and then the washing liquid is sprayed out by the nozzle 22. At the same time, the high-pressure water flow of the nozzle 22 drives the guide shell 20 to rotate under the reaction, so that the washing liquid is sprayed. The effect is more sufficient, and the particulate matter and harmful gases in the flue gas are promoted to be absorbed by the washing liquid. When there are too many impurities adhering to the surface of the first filter screen 6, it is necessary to turn on the motor 9, and the motor 9 drives the rotating wheel 10 to rotate, the rotating wheel 10 drives the transmission block 11 to rotate, the transmission block 11 drives the connecting rod 12 to rotate, the connecting rod 12 drives the sliding rod 13 to move, and the sliding rod 13 drives the transmission frame 14 and the brush plate 16 to move, so that the impurities on the surface of the first filter screen 6 can be cleaned to prevent the first filter screen 6 from being blocked and affecting the smoke exhaust effect.

[0055] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multi-stage exhaust gas scrubber, characterized in that: include: Bottom plate (1); A washing tower body (2), the bottom of the washing tower body (2) being fixedly connected to the left side of the top of the base plate (1); A water tank (3), the right side of the washing tower body (2) is connected to the water tank (3), and the bottom of the water tank (3) is fixedly connected to the right side of the top of the bottom plate (1); An air inlet pipe (4), the left side of the washing tower body (2) being in communication with the air inlet pipe (4); A smoke outlet pipe (5), the top of the washing tower body (2) being in communication with the smoke outlet pipe (5); A first filter screen (6), the first filter screen (6) being fixedly arranged at the top of the inner cavity of the washing tower body (2); A second filter screen (7), the second filter screen (7) being fixedly arranged in the inner cavity of the washing tower body (2) and located at the connection between the washing tower body (2) and the water tank (3); A cleaning mechanism, the cleaning mechanism being located at the bottom of the first filter screen (6), and being used to clean the first filter screen (6) to prevent the first filter screen (6) from clogging the water tank (3); The washing mechanism is located in the inner cavity of the washing tower body (2) and at the bottom of the washing mechanism, and is used to wash solid particles in the exhaust gas.

2. A multi-stage exhaust gas scrubbing tower according to claim 1, characterized in that: The cleaning mechanism comprises: a fixed box (8), a motor (9), a rotating wheel (10), a transmission block (11), a connecting rod (12), a sliding rod (13), a transmission frame (14), a transmission rod (15) and a brush plate (16); The left side of the washing tower body (2) is fixedly connected to the fixing box (8), the front side of the motor (9) is fixedly connected to the rear side of the fixing box (8), the output end of the motor (9) penetrates into the inner cavity of the fixing box (8) and is fixedly connected to the rotating wheel (10), the left side of the front side of the rotating wheel (10) is fixedly connected to the transmission block (11), the left side of the connecting rod (12) is rotatably sleeved on the surface of the transmission block (11), the right side of the connecting rod (12) is rotatably connected to the sliding rod (13) through a rotating shaft, the right side of the sliding rod (13) penetrates into the inner cavity of the washing tower body (2) and is fixedly connected to the transmission frame (14), the inner cavities of the front and rear sides of the transmission frame (14) are slidably connected to the transmission rod (15), both sides of the transmission rod (15) are fixedly connected to the inner wall of the washing tower body (2), and the top of the transmission frame (14) is fixedly connected to the brush plate (16).

3. A multi-stage exhaust gas scrubber according to claim 1, characterized in that: The washing mechanism comprises: a water pipe (17), a water pump (18), a bearing (19), a guide shell (20), a guide pipe (21), a nozzle (22) and a guide plate (23); The water pipe (17) is arranged in the inner cavity of the water tank (3), the top of the water pipe (17) passes through the water tank (3) and is connected to the water pump (18), the left side of the water pipe (17) passes through the inner cavity of the washing tower body (2), the surface of the left side of the water pipe (17) is rotatably connected to the bearing (19), the surface of the bearing (19) is fixedly connected to the inner wall of the guide shell (20), the surface of the guide shell (20) is connected to the guide pipe (21), the surface of the guide pipe (21) is connected to the nozzle (22), and the guide plate (23) is arranged in the inner cavity of the washing tower body (2) and is located at the bottom of the nozzle (22).

4. A multi-stage exhaust gas scrubbing tower according to claim 2, characterized in that: A through hole is provided on the rear side of the fixing box (8), and an opening is provided on the right side of the fixing box (8).

5. A multi-stage exhaust gas scrubbing tower according to claim 2, characterized in that: The left sides of the front side and the rear side of the transmission frame (14) are both provided with limiting holes, and the number of the brush plates (16) is four.

6. A multi-stage exhaust gas scrubbing tower according to claim 3, characterized in that: The number of the flow guide pipes (21) is six, the number of the nozzles (22) is eighteen, and the nozzles (22) are evenly distributed on the surface of the flow guide pipe (21).

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