Flue gas purification washing tower

Abstract

The utility model belongs to the technical field of washing towers, and particularly relates to a flue gas purification washing tower which comprises a washing tower and a cooling box arranged at the top of the washing tower, a purification mechanism is arranged in the washing tower, and a cooling mechanism is arranged in the cooling box. The purification mechanism comprises an air inlet pipeline, a valve, an air outlet pipeline, a net-shaped partition plate, a liquid pumping pipeline, a first water pump, a discharging pipeline, a flow dividing pipe and a two-way nozzle. According to the flue gas purification washing tower, through the arranged purification mechanism, after flue gas enters the washing tower, the flue gas is discharged from the interior of purification liquid and makes contact with the purification liquid to react, then flue gas bubbles are scattered by the net-shaped partition plate and make contact with the purification liquid again to react, and finally after the flue gas floats out of the liquid level of the purification liquid, the flue gas is discharged out of the purification liquid. The flue gas can be in contact with and react with the purification liquid sprayed by the two-way nozzle, so that the flue gas and the purification liquid react in different forms for multiple times, the washing efficiency of the flue gas is improved, and the flue gas washing and purifying effects are relatively obvious.

Description

Technical Field

[0001] This utility model relates to the field of scrubbing tower technology, specifically a flue gas purification scrubbing tower. Background Technology

[0002] A flue gas scrubbing tower is a type of wet desulfurization method that uses spraying to fully react and neutralize the flue gas drawn into the tower with the spray liquid. A traditional flue gas scrubbing tower consists of a tower body, a flue gas inlet pipe located on the bottom side wall of the tower body, a flue gas outlet located on the top of the tower body, and a water pump installed on the outer side wall of the tower body. One end of the water pump is connected to the inner bottom of the tower body through a pipe, and the other end of the water pump extends into the inner top of the tower body through a pipe. The water pump continuously circulates the spray liquid at the bottom of the tower body, and the spray liquid is sprayed on the top of the tower body and comes into contact with the flue gas.

[0003] In practical use, most existing scrubbing towers involve direct contact between flue gas and liquid adsorbent. However, due to the large internal space of the scrubbing tower, the contact between the gas and the adsorbent is not sufficient, resulting in poor desulfurization and denitrification effects. When the flue gas is poorly cleaned after one scrubbing process, it is impossible to perform secondary scrubbing, which limits its practical application.

[0004] The patent document with publication number CN219942364U discloses a flue gas purification scrubbing tower that enhances cooling and dehumidification functions, improves acid removal efficiency, and meets EU waste incineration pollutant emission standards. Furthermore, this utility model requires fewer supporting facilities, occupies a small area, and can save on investment, operation, and maintenance costs.

[0005] However, the flue gas purification scrubbing tower uses nozzles for one-time filtration during use, resulting in poor filtration efficiency. Furthermore, the sprayed purification liquid cannot be reused, wasting resources. Therefore, it is necessary to propose a flue gas purification scrubbing tower that can enable the purification liquid to fully react with the flue gas and save resources. Utility Model Content

[0006] The purpose of this invention is to provide a flue gas purification and scrubbing tower to solve the filtration efficiency problem mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a flue gas purification scrubbing tower, comprising a scrubbing tower and a cooling box disposed at the top of the scrubbing tower, wherein a purification mechanism is disposed inside the scrubbing tower and a cooling mechanism is disposed inside the cooling box;

[0008] The purification mechanism includes an air inlet pipe, a valve, an air outlet pipe, a mesh baffle, a liquid extraction pipe, a water pump, a discharge pipe, a diversion pipe, and bidirectional nozzles. The air inlet pipe is located on one side of the scrubbing tower, the valve is located on one side of the air inlet pipe, the air outlet pipe is fixedly connected to the bottom of the air inlet pipe, and there are five air outlet pipes evenly distributed thereon. The mesh baffle is fixedly connected to the inner wall of the scrubbing tower, the liquid extraction pipe is located on one side of the scrubbing tower, the water pump is located on one side of the scrubbing tower, the discharge pipe is located inside the scrubbing tower, the diversion pipe is fixedly connected to one side of the discharge pipe, and there are three diversion pipes evenly distributed thereon. The bidirectional nozzles are fixedly connected to one side of the diversion pipe, and there are four bidirectional nozzles evenly distributed on the diversion pipe.

[0009] Preferably, the cooling mechanism includes a mounting plate, a second water pump, a water tank, a circulation pipe, a condenser plate, and a connection port. The mounting plate is fixedly connected to the top of the washing tower, the second water pump and the water tank are fixedly connected to the top of the mounting plate, the condenser plate is fixedly connected to the inner wall of the cooling tank, the circulation pipe is disposed inside the condenser plate, and the connection port is fixedly connected to the bottom of the cooling tank.

[0010] Preferably, a filter box is fixedly connected to the top of the cooling box, and a filtration mechanism is provided inside the filter box. The filtration mechanism includes a breathable baffle, filter cotton, activated carbon, and an exhaust pipe. The breathable baffle is fixedly connected to the bottom of the filter box, the filter cotton is fixedly connected to the top of the breathable baffle, the activated carbon is fixedly connected to the top of the filter cotton, and the exhaust pipe is located on one side of the filter box.

[0011] Preferably, a stirring motor is provided at the bottom of the washing tower, and a stirring mechanism is provided at the top of the stirring motor. The stirring mechanism includes a rotating shaft, stirring rods, and a cleaning brush plate. The rotating shaft is rotatably connected to the bottom of the inner wall of the washing tower, the stirring rods are fixedly connected to one side of the rotating shaft, and five stirring rods are evenly distributed. The cleaning brush plate is fixedly connected to one side of the stirring rods.

[0012] Preferably, the bottom of the washing tower is fixedly connected to a support frame, and four supports are evenly distributed at the bottom of the washing tower.

[0013] Preferably, the output end of the stirring motor is fixedly connected to the rotating shaft, and a sealing ring is provided at the bottom of the rotating shaft to prevent the purified liquid from leaking out at the rotating shaft.

[0014] Preferably, the condenser plate has several through holes on one side, and the circulation pipe passes through these through holes in an "S" shape. The two ends of the circulation pipe are connected to the water tank and the water pump, respectively. The circulating water can carry away the temperature of the flue gas passing through the cooling box.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This flue gas purification scrubbing tower, through its purification mechanism, allows flue gas to first react with the purification liquid after entering the tower. Then, the flue gas bubbles are dispersed by the mesh baffles and react with the purification liquid again. Finally, when the flue gas floats to the surface of the purification liquid, it reacts with the purification liquid sprayed by the bidirectional nozzles. This multiple reaction between the flue gas and the purification liquid in different forms improves the scrubbing efficiency of the flue gas, resulting in a significant flue gas scrubbing and purification effect.

[0017] 2. This flue gas purification scrubbing tower, through its cooling and filtration mechanisms, allows the flue gas to first pass through a cooling box with a continuously circulating pipeline to remove its temperature, achieving a cooling effect. Then, it enters the filtration box, passing through the internal filter cotton and activated carbon, ensuring that the flue gas is fully filtered before being discharged, thus preventing environmental pollution. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the cooling box structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the filter box structure of this utility model.

[0022] In the diagram: 1. Scrubber; 2. Cooling tank; 3. Filter box; 4. Agitator motor; 5. Stand; 101. Inlet pipe; 102. Valve; 103. Outlet pipe; 104. Mesh baffle; 105. Liquid extraction pipe; 106. Water pump one; 107. Discharge pipe; 108. Diverter pipe; 109. Bidirectional nozzle; 201. Mounting plate; 202. Water pump two; 203. Water tank; 204. Circulation pipe; 205. Condensation plate; 206. Connection port; 301. Breathable baffle; 302. Filter cotton; 303. Activated carbon; 304. Exhaust pipe; 401. Rotating shaft; 402. Agitator rod; 403. Cleaning brush plate. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-4 This utility model provides a technical solution: Example

[0025] A flue gas purification scrubbing tower includes a scrubbing tower 1 and a cooling box 2 disposed on the top of the scrubbing tower 1, and a purification mechanism is disposed inside the scrubbing tower 1.

[0026] The purification mechanism includes an inlet pipe 101, a valve 102, an outlet pipe 103, a mesh baffle 104, a liquid extraction pipe 105, a water pump 106, a discharge pipe 107, a diversion pipe 108, and a bidirectional nozzle 109. The inlet pipe 101 is located on one side of the scrubbing tower 1, and the valve 102 is located on one side of the inlet pipe 101. The valve 102 can prevent the backflow of purified liquid when the scrubbing tower 1 is not working. The outlet pipe 103 is fixedly connected to the bottom of the inlet pipe 101, and there are five outlet pipes 103 evenly distributed. The mesh baffle 104 is fixedly connected to the inner wall of the scrubbing tower 1. When smoke bubbles rise to one side of the mesh baffle 104... The gas will be dispersed again by the through-holes on one side of the mesh partition 104 and will fully contact the purification liquid at the top of the mesh partition 104. The liquid extraction pipe 105 is located on one side of the scrubbing tower 1, the water pump 106 is located on one side of the scrubbing tower 1, the discharge pipe 107 is located inside the scrubbing tower 1, and the diversion pipe 108 is fixedly connected to one side of the discharge pipe 107. There are three diversion pipes 108 evenly distributed, and the bidirectional nozzles 109 on the diversion pipes 108 spray out mist, which will come into contact with the flue gas again and react. There are four bidirectional nozzles 109 evenly distributed on the diversion pipes 108. The level of the purification liquid added inside the scrubbing tower 1 should be above the mesh partition 104 but below the bidirectional nozzles 109. The harmful flue gas is introduced from the inlet pipe 101 and discharged from the bottom outlet of the outlet pipe 103. The flue gas will come into contact with the purification liquid inside the scrubbing tower 1. Example

[0027] Based on Embodiment 1, a cooling mechanism is provided inside the cooling box 2. The cooling mechanism includes a mounting plate 201, a second water pump 202, a water tank 203, a circulation pipe 204, a condenser plate 205, and a connection port 206. The mounting plate 201 is fixedly connected to the top of the scrubbing tower 1. The second water pump 202 and the water tank 203 are fixedly connected to the top of the mounting plate 201. The condenser plate 205 is fixedly connected to the inner wall of the cooling box 2. The circulation pipe 204 is located inside the condenser plate 205. The connection port 206 is fixedly connected to the bottom of the cooling box 2. Several through holes are opened on one side of the condenser plate 205. The circulation pipe 204 passes through these through holes in an "S" shape. Both ends of the circulation pipe 204 are connected to the water tank 203 and the second water pump 202, respectively. The circulating water can remove the temperature of the flue gas passing through the cooling box 2. When the flue gas enters the connection port 206, it will pass through the condenser plate 205 and the circulation pipe 204. Under the action of the circulation pipe 204, the flue gas will be cooled.

[0028] The bottom of the washing tower 1 is fixedly connected to a bracket 5, and four brackets 5 are evenly distributed at the bottom of the washing tower 1. Example

[0029] Based on Embodiment 2, a filter box 3 is fixedly connected to the top of the cooling box 2. The filter box 3 is equipped with a filtration mechanism, which includes a breathable baffle 301, filter cotton 302, activated carbon 303, and an exhaust pipe 304. The breathable baffle 301 is fixedly connected to the bottom of the filter box 3, the filter cotton 302 is fixedly connected to the top of the breathable baffle 301, the activated carbon 303 is fixedly connected to the top of the filter cotton 302, and the exhaust pipe 304 is located on one side of the filter box 3. When the flue gas enters the filter box 3 from the cooling box 2, it will leave from the breathable baffle 301 and pass through the filter cotton 302 and activated carbon 303 in sequence, so that the flue gas undergoes physical filtration and is finally discharged through the exhaust pipe 304.

[0030] A stirring motor 4 is installed at the bottom of the washing tower 1, and a stirring mechanism is installed at the top of the stirring motor 4. The stirring mechanism includes a rotating shaft 401, stirring rods 402, and a cleaning brush plate 403. The rotating shaft 401 is rotatably connected to the bottom of the inner wall of the washing tower 1, and the stirring rods 402 are fixedly connected to one side of the rotating shaft 401. Five stirring rods 402 are evenly distributed. The cleaning brush plate 403 is fixedly connected to one side of the stirring rods 402. The output end of the stirring motor 4 is fixedly connected to the rotating shaft 401. A sealing ring is installed at the bottom of the rotating shaft 401 to prevent the purified liquid from leaking out at the rotating shaft 401. The stirring mechanism can stir the purified liquid inside the washing tower 1 to prevent the purified liquid from settling.

[0031] Working principle:

[0032] First, add sufficient purification liquid inside the scrubbing tower 1, that is, the liquid level should be above the mesh baffle 104 but below the bidirectional nozzle 109. Through the set purification mechanism, before the harmful flue gas is introduced, the valve 102 is opened. The harmful flue gas is introduced from the inlet pipe 101 and discharged from the bottom outlet of the outlet pipe 103. The flue gas will come into contact with the purification liquid inside the scrubbing tower 1.

[0033] Furthermore, when the smoke bubbles rise to one side of the mesh partition 104, they will be dispersed again by the through holes on one side of the mesh partition 104 and come into full contact with the purification liquid at the top of the mesh partition 104, producing a chemical reaction.

[0034] Furthermore, once the flue gas has completely floated to the surface of the purification liquid, the water pump 106 will draw the purification liquid inside the scrubbing tower 1 and input it into the discharge pipe 107, and spray it out in a mist from the bidirectional nozzle 109 set on the diversion pipe 108, so that it comes into contact with the flue gas again and reacts, thereby causing the flue gas to react and neutralize with the spray liquid.

[0035] Furthermore, when the flue gas rises to the top of the discharge pipe 107, it will be discharged from the bottom connection port 206 of the cooling box 2. When the flue gas enters the connection port 206, it will pass through the condenser plate 205 and the circulation pipe 204. Under the action of the circulation pipe 204, the flue gas will be cooled.

[0036] Furthermore, when the flue gas enters the filter box 3 from the cooling box 2, it will leave from the ventilated baffle 301 and pass through the filter cotton 302 and activated carbon 303 in sequence, so that the flue gas undergoes physical filtration and is finally discharged through the exhaust pipe 304.

[0037] Furthermore, through the set stirring mechanism, after the stirring motor 4 is started, it drives the rotating shaft 401 to rotate. At this time, the stirring rod 402 and the cleaning brush plate 403 rotate accordingly, stirring the purified liquid inside the washing tower 1 to prevent the purified liquid from settling.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A flue gas purification scrubbing tower, comprising a scrubbing tower (1) and a cooling box (2) disposed at the top of the scrubbing tower (1), characterized in that: The washing tower (1) is equipped with a purification mechanism, and the cooling box (2) is equipped with a cooling mechanism. The purification mechanism includes an air inlet pipe (101), a valve (102), an air outlet pipe (103), a mesh partition (104), a liquid extraction pipe (105), a water pump (106), a discharge pipe (107), a diversion pipe (108), and a bidirectional nozzle (109). The air inlet pipe (101) is located on one side of the scrubbing tower (1), the valve (102) is located on one side of the air inlet pipe (101), and the air outlet pipe (103) is fixedly connected to the air inlet pipe. At the bottom of the gas pipe (101), the mesh partition (104) is fixedly connected to the inner wall of the washing tower (1), the liquid extraction pipe (105) is located on one side of the washing tower (1), the water pump (106) is located on one side of the washing tower (1), the discharge pipe (107) is located inside the washing tower (1), the diversion pipe (108) is fixedly connected to one side of the discharge pipe (107), and the bidirectional nozzle (109) is fixedly connected to one side of the diversion pipe (108).

2. The flue gas purification scrubbing tower according to claim 1, characterized in that: The cooling mechanism includes a mounting plate (201), a second water pump (202), a water tank (203), a circulation pipe (204), a condenser plate (205), and a connection port (206). The mounting plate (201) is fixedly connected to the top of the washing tower (1). The second water pump (202) and the water tank (203) are fixedly connected to the top of the mounting plate (201). The condenser plate (205) is fixedly connected to the inner wall of the cooling box (2). The circulation pipe (204) is located inside the condenser plate (205). The connection port (206) is fixedly connected to the bottom of the cooling box (2).

3. The flue gas purification scrubbing tower according to claim 1, characterized in that: The top of the cooling box (2) is fixedly connected to a filter box (3). The filter box (3) is equipped with a filter mechanism. The filter mechanism includes a breathable baffle (301), filter cotton (302), activated carbon (303) and an exhaust pipe (304). The breathable baffle (301) is fixedly connected to the bottom of the filter box (3). The filter cotton (302) is fixedly connected to the top of the breathable baffle (301). The activated carbon (303) is fixedly connected to the top of the filter cotton (302). The exhaust pipe (304) is located on one side of the filter box (3).

4. The flue gas purification scrubbing tower according to claim 1, characterized in that: The washing tower (1) is equipped with a stirring motor (4) at the bottom and a stirring mechanism at the top of the stirring motor (4). The stirring mechanism includes a rotating shaft (401), a stirring rod (402) and a cleaning brush plate (403). The rotating shaft (401) is rotatably connected to the bottom of the inner wall of the washing tower (1). The stirring rod (402) is fixedly connected to one side of the rotating shaft (401) and the cleaning brush plate (403) is fixedly connected to one side of the stirring rod (402).

5. The flue gas purification scrubbing tower according to claim 1, characterized in that: The bottom of the washing tower (1) is fixedly connected to a support frame (5).

6. A flue gas purification scrubbing tower according to claim 4, characterized in that: The output end of the stirring motor (4) is fixedly connected to the rotating shaft (401), and a sealing ring is provided at the bottom of the rotating shaft (401).

7. A flue gas purification scrubbing tower according to claim 2, characterized in that: The condenser plate (205) has several through holes on one side, and the circulation pipe (204) passes through these through holes in an "S" shape. The two ends of the circulation pipe (204) are connected to the water tank (203) and the second water pump (202) respectively.

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