Coal flue gas carbon dioxide capturing and regenerating tower

Abstract

The utility model discloses a coal flue gas carbon dioxide capture regeneration tower, which comprises a lower tower body, an upper tower body, a barren liquor outlet pipe arranged on the left side of the bottom of the upper tower body, an ammonia steam inlet arranged on the corresponding side of a gas-liquid inlet, a tower top hanging post connected with the left side of the top of the upper tower body, and a tower bottom hanging post connected with the tower top hanging post. A lifting lug is connected to the right side of the top of the upper tower body, and a collecting opening is formed in the center of the top of the upper tower body; a rich liquid feeding pipe is arranged below the tiled wire mesh demister, the liquid collecting distributor is fixedly connected with the upper tower body through a distributor supporting frame, and a corrugated packing plate is arranged below the ammonia steam inlet. According to the coal flue gas carbon dioxide capture regeneration tower, the tower body is conveniently supported, the regeneration tower is conveniently used, the corrugated filler plates and the tower body are sealed, the corrugated filler plates are prevented from being deformed after being used for a long time, and the corrugated filler plates are conveniently used.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas capture, in particular to a coal flue gas carbon dioxide capture and regeneration tower. Background Art

[0002] Carbon dioxide is not only the main contributor to greenhouse gases, but its harm also lasts for a long time. If we want to mitigate the impact of the "greenhouse effect", we should first solve the problem of carbon dioxide emission reduction and recycling.

[0003] The existing carbon dioxide capture and regeneration tower lacks a bottom tower, which makes it difficult to support, and lacks a seal between the corrugated packing plate and the tower body, which makes the corrugated packing plate susceptible to water erosion and deformation during long-term use, affecting its use. Utility Model Content

[0004] The utility model aims to provide a coal flue gas carbon dioxide capture and regeneration tower to solve the problems raised in the above-mentioned background technology that the current carbon dioxide capture and regeneration tower lacks a bottom tower, resulting in inconvenience in support, and lacks a seal between the corrugated packing plate and the tower body, resulting in the corrugated packing plate being easily eroded and deformed by water flow during long-term use, thereby affecting use.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a coal flue gas carbon dioxide capture and regeneration tower, comprising:

[0006] A lower tower body, wherein a vent hole is provided on the top of the lower tower body, and an upper tower body is connected to the upper part of the lower tower body;

[0007] An upper tower body, wherein a lean liquid outlet pipe is provided on the left side of the bottom of the upper tower body, and a gas-liquid inlet is provided on the right side of the bottom of the upper tower body, an ammonia vapor inlet is provided on the side corresponding to the gas-liquid inlet, and a liquid collecting tank is provided above the middle of the ammonia vapor inlet and the gas-liquid inlet, and a solution outlet is provided below the right side of the liquid collecting tank, a tower top hanging column is connected to the left side of the top of the upper tower body, and a lifting lug is connected to the right side of the top of the upper tower body, a collecting port is provided at the center of the top of the upper tower body, and a flat wire mesh demister is provided below the collecting port;

[0008] A distributor mechanism, the distributor mechanism comprising a rich liquid feed pipe, a liquid collecting distributor, a distributor support frame, a packing pressure ring, a corrugated packing plate and a packing support frame, a rich liquid feed pipe is arranged below the flat wire mesh demister, and a liquid collecting distributor is arranged below the rich liquid feed pipe, the liquid collecting distributor is fixedly connected to the upper tower body through the distributor support frame, and an ammonia vapor inlet is arranged below the distributor support frame, a corrugated packing plate is arranged below the ammonia vapor inlet, and the corrugated packing plate is fixedly connected to the upper tower body through the packing support frame.

[0009] Preferably, both the lower tower body and the upper tower body are provided with manholes, and the manholes on the upper tower body are arranged at equal intervals.

[0010] Preferably, the bottom of the upper tower body is arranged in an arc-shaped structure, and a sewage pipe is connected to the bottom of the upper tower body, and the bottom end of the sewage pipe passes through the outer side of the lower tower body.

[0011] Preferably, the cross-section of the upper tower body is a bullet-shaped structure, and a plurality of groups of distributor mechanisms are arranged inside the upper tower body.

[0012] Preferably, the liquid collecting and distributing devices are evenly distributed on the distributing device support frame, and the top of the liquid collecting and distributing devices is in a "V"-shaped structure.

[0013] Preferably, a vent is provided at the top of the upper tower body, and a pressure relief port is provided on the left side of the top of the upper tower body.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the coal flue gas carbon dioxide capture regeneration tower is convenient for supporting the tower body, convenient for using the regeneration tower, and seals the corrugated packing plate and the tower body to avoid deformation of the corrugated packing plate after long-term use, which is convenient for using the corrugated packing plate;

[0015] 1. The lower tower body and the upper tower body are set. The lower tower body can support the upper tower body to ensure the stability of the upper tower body and facilitate the use of the regeneration tower. The air holes on the lower tower body are convenient for air permeability and pressure relief, and the manhole on the lower tower body is convenient for entry and maintenance;

[0016] 2. A packing pressing ring, a corrugated packing plate and a packing support frame are provided. The bottom of the corrugated packing plate is installed through the packing support frame, and the top of the corrugated packing plate is sealed with the upper tower body through the packing pressing ring to avoid corrosion in the gap between the corrugated packing plate and the upper tower body, thereby ensuring the structural stability of the corrugated packing plate and facilitating the long-term use of the corrugated packing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;

[0018] Figure 2 This is a front view cross-sectional structural diagram of the connection between the liquid collecting distributor and the distributor support frame of the utility model;

[0019] Figure 3 This is a schematic diagram of the front view and cutaway structure of the flat wire mesh demister of the utility model.

[0020] In the figure: 1. lower tower body; 2. air vent; 3. upper tower body; 4. lean liquid outlet pipe; 5. gas-liquid inlet; 6. liquid collecting box; 7. tower top hanging column; 8. lifting lug; 9. flat wire mesh demister; 10. rich liquid feed pipe; 11. liquid collecting distributor; 12. distributor support frame; 13. ammonia vapor inlet; 14. packing pressure ring; 15. corrugated packing plate; 16. packing support frame; 17. drain pipe; 18. solution outlet; 19. collecting port. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-3 The utility model provides a technical solution: a coal flue gas carbon dioxide capture and regeneration tower, comprising: a lower tower body 1, an air vent 2, an upper tower body 3, a lean liquid outlet pipe 4, a gas-liquid inlet 5, a liquid collecting box 6, a tower top hanging column 7, a lifting ear 8, a flat wire mesh demister 9, a rich liquid feed pipe 10, a liquid collection distributor 11, a distributor support frame 12, an ammonia vapor inlet 13, a packing pressing ring 14, a corrugated packing plate 15, a packing support frame 16, a drain pipe 17, a solution outlet 18 and a collection port 19.

[0023] A lower tower body 1, a vent hole 2 is provided on the top of the lower tower body 1, and an upper tower body 3 is connected to the upper part of the lower tower body 1;

[0024] An upper tower body 3, a lean liquid outlet pipe 4 is arranged on the left side of the bottom of the upper tower body 3, and a gas-liquid inlet 5 is opened on the right side of the bottom of the upper tower body 3, an ammonia vapor inlet 13 is opened on the corresponding side of the gas-liquid inlet 5, and a liquid collecting box 6 is arranged above the middle of the ammonia vapor inlet 13 and the gas-liquid inlet 5, and a solution outlet 18 is arranged below the right side of the liquid collecting box 6, a tower top hanging column 7 is connected to the left side of the top of the upper tower body 3, and a lifting ear 8 is connected to the right side of the top of the upper tower body 3, a collecting port 19 is opened in the center of the top of the upper tower body 3, and a flat wire mesh demister 9 is arranged below the collecting port 19;

[0025] The distributor mechanism includes a rich liquid feed pipe 10, a liquid collecting distributor 11, a distributor support frame 12, a packing pressure ring 14, a corrugated packing plate 15 and a packing support frame 16. The rich liquid feed pipe 10 is arranged below the flat wire mesh demister 9, and the liquid collecting distributor 11 is arranged below the rich liquid feed pipe 10. The liquid collecting distributor 11 is fixedly connected to the upper tower body 3 through the distributor support frame 12, and an ammonia vapor inlet 13 is arranged below the distributor support frame 12. A corrugated packing plate 15 is arranged below the ammonia vapor inlet 13, and the corrugated packing plate 15 is fixedly connected to the upper tower body 3 through the packing support frame 16.

[0026] like Figure 1 Manholes are provided on the middle and lower tower bodies 1 and the upper tower body 3, and the manholes on the upper tower body 3 are arranged at equal intervals, which is convenient for the maintenance of the lower tower body 1 and the upper tower body 3. The bottom of the upper tower body 3 is arranged in an arc-shaped structure, and the bottom of the upper tower body 3 is connected to a sewage pipe 17, and the bottom end of the sewage pipe 17 passes through the outside of the lower tower body 1, which is convenient for the discharge of debris. The cross-section of the upper tower body 3 is a bullet-shaped structure, and a plurality of distributor mechanisms are arranged inside the upper tower body 3 to increase the utilization space.

[0027] like Figure 2 and Figure 3 The liquid collecting distributor 11 is evenly distributed on the distributor support frame 12, and the top of the liquid collecting distributor 11 is a "V"-shaped structure, which is convenient for the absorption of the washing liquid. A vent is opened on the top of the upper tower body 3, and a pressure relief port is set on the left side of the top of the upper tower body 3 to facilitate the use of the upper tower body 3.

[0028] Working principle: When using the coal flue gas carbon dioxide capture regeneration tower, Figure 1 As shown, carbon dioxide gas or a mixed liquid is introduced into the upper tower body 3 through the gas-liquid inlet 5, and the ammonia content can be supplemented through the ammonia vapor inlet 13. After the carbon dioxide enters the upper tower body 3, it rises, and a washing liquid is introduced into the upper tower body 3 through the rich liquid feed pipe 10, so that the washing liquid absorbs carbon dioxide, and the washing liquid falls on the liquid collection distributor 11 for collection and recovery. The recovered washing liquid is rich liquid and is discharged through the solution outlet 18, and the fallen washing liquid falls into the bottom of the upper tower body 3. The washing liquid here is lean liquid and is discharged through the lean liquid outlet pipe 4, and the sediment at the bottom of the upper tower body 3 is discharged through the sewage pipe 17, and the treated tail gas is discharged through the collection port 19;

[0029] The corrugated packing plate 15 in the upper tower body 3 divides the upper tower body 3 into sections, which can achieve the minimum pressure drop in each theoretical stage, so the temperature of the material at the bottom of the tower can be reduced. This is the entire working process of the coal flue gas carbon dioxide capture and regeneration tower. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0030] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A coal flue gas carbon dioxide capture and regeneration tower, characterized in that: include: A lower tower body (1), wherein a vent hole (2) is provided at the top of the lower tower body (1), and an upper tower body (3) is connected to the upper side of the lower tower body (1); An upper tower body (3), wherein a lean liquid outlet pipe (4) is provided on the left side of the bottom of the upper tower body (3), and a gas-liquid inlet (5) is provided on the right side of the bottom of the upper tower body (3), an ammonia vapor inlet (13) is provided on the corresponding side of the gas-liquid inlet (5), and a liquid collecting box (6) is provided above the middle of the ammonia vapor inlet (13) and the gas-liquid inlet (5), and a solution outlet (18) is provided below the right side of the liquid collecting box (6), a tower top suspension column (7) is connected to the left side of the top of the upper tower body (3), and a lifting lug (8) is connected to the right side of the top of the upper tower body (3), a collecting port (19) is provided at the center of the top of the upper tower body (3), and a flat wire mesh demister (9) is provided below the collecting port (19); A distributor mechanism, the distributor mechanism comprising a rich liquid feed pipe (10), a liquid collecting distributor (11), a distributor support frame (12), a packing pressure ring (14), a corrugated packing plate (15) and a packing support frame (16); a rich liquid feed pipe (10) is arranged below the flat wire mesh demister (9), and a liquid collecting distributor (11) is arranged below the rich liquid feed pipe (10); the liquid collecting distributor (11) is fixedly connected to the upper tower body (3) through the distributor support frame (12), and an ammonia vapor inlet (13) is arranged below the distributor support frame (12); a corrugated packing plate (15) is arranged below the ammonia vapor inlet (13), and the corrugated packing plate (15) is fixedly connected to the upper tower body (3) through the packing support frame (16).

2. A coal flue gas carbon dioxide capture and regeneration tower according to claim 1, characterized in that: Both the lower tower body (1) and the upper tower body (3) are provided with manholes, and the manholes on the upper tower body (3) are arranged at equal intervals.

3. The coal flue gas carbon dioxide capture and regeneration tower according to claim 1, characterized in that: The bottom of the upper tower body (3) is arranged in an arc-shaped structure, and the bottom of the upper tower body (3) is connected to a sewage pipe (17), and the bottom end of the sewage pipe (17) passes through the outer side of the lower tower body (1).

4. The coal flue gas carbon dioxide capture and regeneration tower according to claim 1, characterized in that: The cross section of the upper tower body (3) is a bullet-shaped structure, and a plurality of groups of distributor mechanisms are arranged inside the upper tower body (3).

5. The coal flue gas carbon dioxide capture and regeneration tower according to claim 1, characterized in that: The liquid collecting and distributing device (11) is evenly distributed on the distributing device support frame (12), and the top of the liquid collecting and distributing device (11) is in a "V"-shaped structure.

6. The coal flue gas carbon dioxide capture and regeneration tower according to claim 1, characterized in that: The top of the upper tower body (3) is provided with a venting port, and the left side of the top of the upper tower body (3) is provided with a pressure relief port.

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