Carbon dioxide trapping and absorbing device

Abstract

The utility model provides a carbon dioxide trapping and absorbing device which comprises a base, an absorbing tower arranged at the top of the base, an absorbing cavity used for containing a carbon dioxide absorbent arranged at the top of the absorbing tower, and a heating assembly arranged at the bottom of the base, the heating assembly comprises a heating tower and a heater, and the heating tower is arranged below the absorbing tower; a release cavity for containing a saturated carbon dioxide absorbent is formed in the heating tower; a heater is arranged at the bottom of the heating tower; one side of the absorption tower is connected with the heating tower through a reflux absorption assembly; through the arrangement of the heating assembly, a saturated absorbent in the release cavity is heated, carbon dioxide gas is released in the release cavity, heating regeneration is carried out at the same time, the absorbent can be repeatedly used, and the problems that according to a traditional absorption device, after the absorbent is saturated, frequent replacement is needed, and the manpower and material resource cost is increased are solved; the requirement for replacing the absorbent is greatly reduced, so that the operation cost is effectively reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of absorption devices, and more specifically, particularly relates to a carbon dioxide capture absorption device. Background Art

[0002] As the global climate change problem becomes increasingly serious, the reduction and control of carbon dioxide emissions has become a focus of international attention. Different industries and fields have taken various measures to explore a more environmentally friendly and sustainable development path; among them, the capture and storage of carbon dioxide is one of the key directions.

[0003] For example, the Chinese utility model patent with patent number 202223503172.X provides a carbon dioxide capture and absorption device, which includes a spray tower body, a feeding assembly and a disc nozzle. When in use, a disc nozzle is arranged in the spray tower body, and the feeding assembly is responsible for providing alkaline solution to the disc nozzle for spraying to absorb the carbon dioxide in the spray tower body; however, the traditional absorption device absorbs carbon dioxide through an absorbent, and a new batch of absorbents needs to be replaced after the absorbent is saturated, which makes the operation process more cumbersome and complicated, which not only increases the manpower and material costs, but also the frequent replacement of absorbents will affect the continuity of the operation of the device, resulting in the absorption efficiency being affected. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a carbon dioxide capture and absorption device to solve the technical problem in the prior art that the traditional absorption device absorbs carbon dioxide through an absorbent, and a new batch of absorbents needs to be replaced after the absorbent is saturated, making the operation process more cumbersome and complicated, which not only increases the manpower and material costs, but also the frequent replacement of absorbents will affect the continuity of the operation of the device, resulting in the absorption efficiency being affected.

[0005] The purpose and effect of the carbon dioxide capture and absorption device of the utility model are achieved by the following specific technical means:

[0006] A carbon dioxide capture and absorption device comprises a base, an absorption tower is arranged on the top of the base, an absorption chamber for containing a carbon dioxide absorbent is provided on the top of the absorption tower, a heating assembly is arranged at the bottom of the base, the heating assembly comprises a heating tower and a heater, the heating tower is arranged below the absorption tower; a release chamber for containing a saturated carbon dioxide absorbent is provided in the heating tower; the heater is arranged at the bottom of the heating tower, and one side of the absorption tower is connected to the heating tower via a reflux absorption assembly.

[0007] In a preferred embodiment, the heating assembly further comprises a heating tube for heating the saturated carbon dioxide absorbent, the heating tube is disposed at the bottom of the release chamber, and the heater is electrically connected to the heating tube.

[0008] In a preferred embodiment, a carbon dioxide outlet pipe connected to the liquefaction separation device is provided on one side of the heating tower, and the carbon dioxide outlet pipe is communicated with the release chamber.

[0009] In a preferred embodiment, a closed tower cover is provided at the opening at the top of the absorption chamber, an air inlet pipe is connected to one side of the absorption tower, an air outlet pipe is correspondingly provided at the top of the closed tower cover, the reflux absorption assembly includes an absorbent nozzle, the bottom of the closed tower cover is connected to the absorbent nozzle through multiple groups of connecting columns, and multiple groups of strip liquid outlets are opened at the bottom of the absorbent nozzle.

[0010] In a preferred embodiment, the reflux absorption assembly further includes a reflux pump, a mounting platform is provided on one side of the base, and the reflux pump is fixedly connected to the top of the mounting platform by a plurality of sets of screws.

[0011] In a preferred embodiment, the closed tower cover and the top of the heating tower are both provided with interfaces, the liquid outlet end of the reflux pump is connected to one end of a first pipe, and the other end of the first pipe passes through the interface on the closed tower cover and is connected to the absorbent nozzle.

[0012] In a preferred embodiment, one end of the second pipeline is connected to the liquid inlet end of the reflux pump, and the other end passes through the interface on the heating tower and is arranged at the bottom of the release chamber.

[0013] In a preferred embodiment, a liquid passing pipe is provided between the absorption tower and the heating tower, and the absorption chamber and the release chamber are communicated with each other through the liquid passing pipe.

[0014] In a preferred embodiment, a one-way valve is provided at the top end of the liquid passage pipe.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. Through the setting of the heating component, when the device is used, the saturated absorbent in the release chamber can be heated by the heater and the heating tube, so that the carbon dioxide gas is released in the release chamber and heated and regenerated at the same time; by adopting the heating recovery method, the absorbent can be reused repeatedly, which solves the problem that the traditional absorption device needs to be frequently replaced after the absorbent is saturated, which increases the manpower and material costs, greatly reduces the need to replace the absorbent, and thus effectively reduces the operating cost.

[0017] 2. Through the setting of the reflux absorption component, when using the device, the regenerated absorbent can be extracted from the release chamber by the reflux pump and returned to the absorption chamber through the multiple groups of strip liquid outlets on the absorbent nozzle, so that the regenerated absorbent can be efficiently recycled; this not only improves the utilization rate of the absorbent, but also enhances the absorption effect of carbon dioxide, further improving the overall absorption efficiency and working performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a carbon dioxide capture and absorption device of the utility model;

[0019] Figure 2 This is an exploded diagram of a carbon dioxide capture and absorption device of the utility model;

[0020] Figure 3 It is a front view of an absorption tower and a heating tower in a carbon dioxide capture and absorption device of the utility model;

[0021] Figure 4 It is a cross-sectional view of an absorption tower and a heating tower in a carbon dioxide capture and absorption device of the utility model;

[0022] Figure 5 It is a schematic structural diagram of the separated absorption tower and absorbent nozzle in a carbon dioxide capture and absorption device of the utility model.

[0023] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0024] 11. Base; 12. Absorption tower; 13. Absorption chamber; 14. Carbon dioxide outlet pipe; 15. Closed tower cover; 16. Interface; 17. Liquid pipe; 18. One-way valve; 19. Inlet pipe; 20. Outlet pipe; 21. Heating tower; 22. Heater; 23. Release chamber; 24. Heating pipe; 31. Absorbent nozzle; 32. Connecting column; 33. Strip liquid outlet; 34. Reflux pump; 35. Installation platform; 36. First pipeline; 37. Second pipeline. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0026] Example:

[0027] As attached Figure 1 To Attachment Figure 5 As shown:

[0028] The utility model provides a carbon dioxide capture and absorption device, comprising a base 11, an absorption tower 12 is arranged on the top of the base 11, an absorption chamber 13 for containing a carbon dioxide absorbent is opened on the top of the absorption tower 12, the absorbent can be one of a hot potassium alkali solution, a load-type absorbent, and a mixed absorbent of an ionic liquid and an amine, and can effectively capture carbon dioxide, a heating component is arranged at the bottom of the base 11, the heating component comprises a heating tower 21 and a heater 22, and is used to heat and separate the absorbent to release concentrated carbon dioxide; it is worth noting that the absorption tower 12 and the heating tower 21 are connected by a reflux absorption component, and the regenerated absorbent can be refluxed from the release chamber 23 to the absorption tower 12 for reuse, thereby improving the recycling rate of the absorbent and reducing the operating cost.

[0029] Please refer to Figure 3 and Figure 4 As shown, the heating assembly also includes a heating tube 24 for heating the saturated carbon dioxide absorbent. The bottom of the release chamber 23 is provided with the heating tube 24. The heater 22 is electrically connected to the heating tube 24. The heater 22 supplies heat to the heating tube 24, so that the saturated absorbent in the release chamber 23 can be heated, so that it releases concentrated carbon dioxide gas in the cavity, and the regeneration of the absorbent is completed; this method of heating recovery can greatly improve the recycling efficiency of the absorbent, solve the problem of frequent replacement of absorbents in traditional absorption devices, thereby greatly reducing the operating cost. Usually, the absorption device needs to be shut down for replacement after the absorbent is saturated, which increases manpower and material costs; and the device uses heating recovery to make the absorbent repeatedly used, greatly reducing the need to replace the absorbent.

[0030] Please refer to Figure 2 As shown, a carbon dioxide outlet pipe 14 connected to the liquefaction separation equipment is provided on one side of the heating tower 21, and the carbon dioxide outlet pipe 14 is connected to the release chamber 23. The concentrated carbon dioxide gas released from the heating tower 21 can be smoothly transported to the liquefaction separation equipment through the carbon dioxide outlet pipe 14 for subsequent processing; the concentrated carbon dioxide gas after heating and regeneration in the heating tower 21 can be efficiently transported to the liquefaction separation equipment through the connection with the release chamber 23 and the carbon dioxide outlet pipe 14, ensuring the smooth transportation of carbon dioxide.

[0031] Please refer to Figure 2 and Figure 5As shown, a closed tower cover 15 is provided on the top of the absorption chamber 13, an air inlet pipe 19 is connected to one side of the absorption tower 12, and an air outlet pipe 20 is provided at a corresponding position on the top of the closed tower cover 15. At the same time, the reflux absorption component includes an absorbent nozzle 31, which is located at the bottom of the closed tower cover 15 and is supported by multiple groups of connecting columns 32. Multiple groups of strip-shaped liquid outlets 33 are provided at the bottom of the absorbent nozzle 31 for spraying the absorbent in strips to increase the contact area with the gas.

[0032] Please refer to Figure 2 As shown, the reflux absorption assembly also includes a reflux pump 34, which is installed on one side of the base 11 and fixedly connected to the base 11 through a mounting platform 35. Specifically, the mounting platform 35 is located on one side of the base 11, and the reflux pump 34 is firmly fixed to the top of the mounting platform 35 by multiple sets of screws; the reflux pump 34 can be stably supported and reliably connected to the base 11 of the entire device.

[0033] Please refer to Figure 2 and Figure 3 As shown, the liquid outlet end of the reflux pump 34 is connected to one end of the first pipe 36, and the other end of the first pipe 36 passes through the interface 16 set on the closed tower cover 15, and finally connects with the absorbent nozzle 31; at the same time, the liquid inlet end of the reflux pump 34 is also connected through the second pipe 37, and the other end of the second pipe 37 passes through the interface 16 at the top of the heating tower 21 and extends to the bottom of the release chamber 23; the reflux pump 34 can efficiently extract the regenerated absorbent from the release chamber 23, and re-inject it into the absorption chamber 13 through the multiple groups of strip liquid outlets 33 on the absorbent nozzle 31, thereby improving the utilization efficiency of the absorbent.

[0034] Please refer to Figure 4 and Figure 5 As shown, a liquid pipe 17 is provided between the absorption tower 12 and the heating tower 21, which provides a channel for the absorbent to flow between the two towers. Specifically, the absorption chamber 13 and the release chamber 23 are connected through the liquid pipe 17, thereby realizing the flow of the absorbent between the two towers. A one-way valve 18 is also provided at the top of the liquid pipe 17. The setting of the one-way valve 18 ensures that the absorbent flows from the absorption chamber 13 to the release chamber 23 without reverse flow.

[0035] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A carbon dioxide capture and absorption device, characterized in that: The invention comprises a base (11), an absorption tower (12) is arranged on the top of the base (11), an absorption chamber (13) for containing a carbon dioxide absorbent is provided on the top of the absorption tower (12), a heating component is arranged on the bottom of the base (11), the heating component comprises a heating tower (21) and a heater (22), the heating tower (21) is arranged below the absorption tower (12); a release chamber (23) for containing a saturated carbon dioxide absorbent is provided in the heating tower (21); the heater (22) is arranged at the bottom of the heating tower (21), and one side of the absorption tower (12) is connected to the heating tower (21) via a reflux absorption component.

2. A carbon dioxide capture and absorption device according to claim 1, characterized in that: The heating component also includes a heating tube (24) for heating the saturated carbon dioxide absorbent. The bottom of the release chamber (23) is provided with the heating tube (24). The heater (22) is electrically connected to the heating tube (24).

3. A carbon dioxide capture and absorption device as claimed in claim 2, characterized in that: A carbon dioxide outlet pipe (14) connected to the liquefaction separation equipment is provided on one side of the heating tower (21), and the carbon dioxide outlet pipe (14) is in communication with the release chamber (23).

4. A carbon dioxide capture and absorption device according to claim 1, characterized in that: A closed tower cover (15) is provided at the opening at the top of the absorption chamber (13); an air inlet pipe (19) is connected to one side of the absorption tower (12); and an air outlet pipe (20) is correspondingly provided at the top of the closed tower cover (15); the reflux absorption assembly comprises an absorbent nozzle (31); the bottom of the closed tower cover (15) is connected to the absorbent nozzle (31) via a plurality of connection columns (32); and a plurality of strip-shaped liquid outlets (33) are provided at the bottom of the absorbent nozzle (31).

5. A carbon dioxide capture and absorption device as claimed in claim 4, characterized in that: The reflux absorption assembly also includes a reflux pump (34). A mounting platform (35) is provided on one side of the base (11). The top of the mounting platform (35) is fixedly connected to the reflux pump (34) via a plurality of sets of screws.

6. A carbon dioxide capture and absorption device as claimed in claim 5, characterized in that: The closed tower cover (15) and the top of the heating tower (21) are both provided with an interface (16); the liquid outlet of the reflux pump (34) is connected to one end of a first pipe (36); the other end of the first pipe (36) passes through the interface (16) on the closed tower cover (15) and is connected to the absorbent nozzle (31).

7. A carbon dioxide capture and absorption device according to claim 6, characterized in that: One end of the second pipe (37) is connected to the liquid inlet end of the reflux pump (34), and the other end passes through the interface (16) on the heating tower (21) and is arranged at the bottom of the release chamber (23).

8. A carbon dioxide capture and absorption device according to claim 1, characterized in that: A liquid passing pipe (17) is provided between the absorption tower (12) and the heating tower (21), and the absorption chamber (13) and the release chamber (23) are connected via the liquid passing pipe (17).

9. A carbon dioxide capture and absorption device according to claim 8, characterized in that: A one-way valve (18) is provided at the top end of the liquid passage pipe (17).

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