Carbon absorption device
By designing a carbon absorption device including an absorption tower and a separation tower, the problem of difficulty in recycling absorbents in traditional devices is solved, and the recycling of absorbents and efficient recovery of carbon dioxide is achieved.
Patent Information
- Application Number
- CN202421677292.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-16
AI Technical Summary
In traditional carbon absorption devices, the absorbent will contain a large amount of carbon dioxide after use, making it difficult to recycle the absorbent, affecting the effect of carbon absorption.
A carbon absorption device including an absorption tower and a separation tower is designed. The carbon dioxide in the exhaust gas is absorbed through the spray head and an annular infusion tube in the absorption tower, and the carbon dioxide is separated from the absorbent through the separation port in the separation tower, so that the absorbent remains clean and can be recycled.
Through the separation action of the separation tower, the absorbent remains clean, and can be recycled, reduce costs, improve the absorption efficiency of carbon dioxide, and facilitate the recovery of carbon dioxide.
Smart Images
Figure CN222855036U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of carbon absorption, in particular to a carbon absorption device. Background Art
[0002] Carbon absorption is the process of solidifying and storing free carbon dioxide and other temperature gases through technical means to try to reduce the amount of carbon in the atmosphere. It is also called carbon absorption. The absorption method can be divided into chemical absorption and physical absorption. Chemical absorption is the use of chemical solvents to absorb carbon dioxide through a chemical reaction with carbon dioxide. When external conditions, such as temperature or pressure changes, the reaction is reversed, thereby achieving the purpose of carbon dioxide analysis and recycling of the absorbent. The principle of physical absorption is to use organic solvents to absorb acidic gases under pressurized conditions to separate and remove acid gas components.
[0003] There are still certain drawbacks in the use of carbon absorption devices in the prior art. After use, the absorbent in the traditional absorption tower will contain a large amount of carbon dioxide, which is not conducive to the repeated recycling of the absorbent and affects the effect of carbon absorption. Utility Model Content
[0004] The utility model aims to provide a carbon absorption device to solve the problem in the above background technology that the absorbent in the traditional absorption tower contains a large amount of carbon dioxide after use, which is not conducive to the repeated recycling of the absorbent and affects the effect of carbon absorption.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a carbon absorption device, comprising an absorption tower and a separation tower, wherein the absorption tower is arranged at one end above a common base, a first inspection window is arranged at the front end of the absorption tower, and the separation tower is arranged at the other end above the common base, a demisting layer and an annular infusion pipe are arranged in sequence inside the absorption tower, and redirecting spray heads are arranged on both sides of the lower part of the inner part of the annular infusion pipe, an exhaust gas inlet is arranged at the lower part of one side of the absorption tower, a clean gas outlet is arranged at the top of the absorption tower, a left absorbent separation port and a right absorbent separation port are arranged on both sides of the inner part of the separation tower, and a left dioxide gas separation port is arranged on the top surface of the left absorbent separation port. A carbon separation port is provided on the top surface of the right absorbent separation port, and the right carbon dioxide separation port is connected to the right absorbent separation port in a V-shaped structure. A reboiler is provided on the outer side of the separation tower, a heat exchanger is provided in the middle position above the common base, support frames are provided on both sides of the lower side of the common base, and an absorbent recovery tank and an absorbent circulation tank are respectively provided at the two ends inside the common base, a carbon dioxide outlet is provided on the top of the outer side of the separation tower, a second inspection window is provided above the front end of the separation tower, and a sampling hole is provided below the second inspection window.
[0006] In a further embodiment, the absorbent recovery tank is fixedly connected to the bottom surface of the absorption tower via a first flange connection plate, and the absorbent recovery tank is fixedly connected to the heat exchanger via a lower mixed liquid delivery pipe.
[0007] In a further embodiment, the annular infusion pipe is fixedly connected to the absorbent circulation tank via an absorbent delivery pipe, the change-direction spray head is connected to the annular infusion pipe by welding, and the change-direction spray head is configured as an inclined structure.
[0008] In a further embodiment, the heat exchanger is fixedly connected to the separation tower via an upper mixed liquid delivery pipe, and the absorbent circulation tank is fixedly connected to the separation tower via a second flange connection plate.
[0009] In a further embodiment, the reboiler is connected to the separation tower via a fixed bracket, the fixed bracket is connected to the separation tower via welding, and the reboiler is fixedly connected to the fixed bracket via bolts.
[0010] In a further embodiment, the reboiler is connected to the absorbent circulation tank via a second connecting pipe, and the reboiler is connected to the separation tower via a first connecting pipe.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] In the utility model, the absorption tower and the separation tower are installed as one, so that it has a separation function and is used to treat the absorbent containing carbon dioxide. The carbon dioxide in the absorbent after spraying is separated to keep the absorbent clean. The absorbent can be recycled, which not only reduces the cost but also facilitates the recovery of carbon dioxide, and helps to improve the absorption efficiency of carbon dioxide. The reversible spray head is set to an inclined structure. The shape can change the angle and range of the absorbent spraying, so that the absorbent and the exhaust gas are completely contacted and mixed, thereby improving the carbon absorption effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a structural schematic diagram of a carbon absorption device of the utility model;
[0014] Figure 2 This is a schematic diagram of the internal structure of the separation tower of the utility model;
[0015] Figure 3 This is a schematic diagram of the internal structure of the absorption tower of the utility model;
[0016] Figure 4 It is a top view of the annular infusion tube of the utility model.
[0017] In the figure: 1. Absorption tower; 2. First inspection window; 3. Waste gas inlet; 4. Clean gas outlet; 5. Absorbent delivery pipe; 6. Common base; 7. Support frame; 8. Absorbent recovery tank; 9. First flange connection plate; 10. Heat exchanger; 11. Upper mixed liquid delivery pipe; 12. Lower mixed liquid delivery pipe; 13. Absorbent circulation tank; 14. Second flange connection plate; 15. Separation tower; 16. Second inspection window; 17. Sampling hole; 18. Carbon dioxide outlet; 19. First connecting pipe; 20. Reboiler; 21. Fixed bracket; 22. Second connecting pipe; 23. Left absorbent separation port; 24. Left carbon dioxide separation port; 25. Right carbon dioxide separation port; 26. Right absorbent separation port; 27. Demisting layer; 28. Annular infusion pipe; 29. Reversing spray head. DETAILED DESCRIPTION
[0018] 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.
[0019] See also Figure 1-4The utility model provides an embodiment: a carbon absorption device, including an absorption tower 1 and a separation tower 15, the absorption tower 1 is arranged at one end above the common base 6, the front end of the absorption tower 1 is provided with a first inspection window 2, the separation tower 15 is arranged at the other end above the common base 6, the interior of the absorption tower 1 is provided with a demisting layer 27 and an annular liquid infusion pipe 28 in sequence, and the inner sides of the annular liquid infusion pipe 28 are provided with a redirecting spray head 29, the lower side of one side of the absorption tower 1 is provided with an exhaust gas inlet 3, the top of the absorption tower 1 is provided with a clean gas outlet 4, and the inner sides of the separation tower 15 are respectively provided with a left The absorbent separation port 23 and the right absorbent separation port 26, the top surface of the left absorbent separation port 23 is provided with a left carbon dioxide separation port 24, and the left absorbent separation port 23 is connected to the left carbon dioxide separation port 24 in a V-shaped structure, the top surface of the right absorbent separation port 26 is provided with a right carbon dioxide separation port 25, and the right carbon dioxide separation port 25 is connected to the right absorbent separation port 26 in a V-shaped structure, a reboiler 20 is provided at the outer position of the separation tower 15, a heat exchanger 10 is provided at the middle position above the common base 6, support frames 7 are provided on both sides below the common base 6, and the common base 6 An absorbent recovery tank 8 and an absorbent circulation tank 13 are respectively provided at both ends of the interior thereof, a carbon dioxide outlet 18 is provided at the top of the outer side of the separation tower 15, a second inspection window 16 is provided above the front end of the separation tower 15, and a sampling hole 17 is provided below the second inspection window 16; the absorption tower 1 is used to absorb and process carbon dioxide in the exhaust gas, the separation tower 15 is used to separate carbon dioxide in the absorbent, the first inspection window 2 is used to inspect the inside of the absorption tower 1, and the common base 6 is used to assemble the absorption tower 1 and the separation tower 15 into one body, thereby reducing the space occupied. The demisting layer 27 is used to separate the mist droplets, the annular infusion pipe 28 is used to transport the absorbent to the redirecting spray head 29, the redirecting spray head 29 is used to spray the absorbent, the heat exchanger 10 is used to perform heat exchange treatment on the absorbent after use, the absorbent recovery tank 8 is used to collect and store the absorbent after use, the absorbent circulation tank 13 is used to recover the cleaned absorbent for recycling, the carbon dioxide outlet 18 is used to discharge carbon dioxide, and the sampling hole 17 is used to sample the internal gas for detection.
[0020] The absorbent recovery tank 8 is fixedly connected to the bottom surface of the absorption tower 1 through the first flange connection plate 9, and the absorbent recovery tank 8 is fixedly connected to the heat exchanger 10 through the lower mixed liquid delivery pipe 12. The first flange connection plate 9 is used to connect the absorbent recovery tank 8 to the inside of the absorption tower 1, and the lower mixed liquid delivery pipe 12 is used to deliver the absorbent in the absorbent recovery tank 8 to the heat exchanger 10. The heat exchanger 10 is fixedly connected to the separation tower 15 through the upper mixed liquid delivery pipe 11, and the absorbent circulation tank 13 is fixedly connected to the separation tower 15 through the second flange connection plate 14, and the upper mixed liquid delivery pipe 11 is used to deliver the liquid after heat exchange treatment in the heat exchanger 10 to the separation tower 15.
[0021] The annular infusion pipe 28 is fixedly connected to the absorbent circulation tank 13 via the absorbent delivery pipe 5, the change-direction spray head 29 is connected to the annular infusion pipe 28 by welding, and the change-direction spray head 29 is set as an inclined structure, which is used to deliver the absorbent in the absorbent circulation tank 13 to the annular infusion pipe 28 through the absorbent delivery pipe 5.
[0022] The reboiler 20 is connected to the separation tower 15 through a fixed bracket 21, the fixed bracket 21 is connected to the separation tower 15 through welding, and the reboiler 20 is fixedly connected to the fixed bracket 21 through bolts, and the fixed bracket 21 is used to install and fix the reboiler 20; the reboiler 20 is connected to the absorbent circulation tank 13 through a second connecting pipe 22, and the reboiler 20 is connected to the separation tower 15 through a first connecting pipe 19, and the second connecting pipe 22 is used to transport the liquid in the absorbent circulation tank 13 to the reboiler 20 for vaporization treatment, and the vaporized liquid is transported to the separation tower 15 through the first connecting pipe 19 to absorb the carbon dioxide.
[0023] Working principle: When in use, the exhaust gas enters the absorption tower 1 from the exhaust gas inlet 3, and the absorbent in the absorbent circulation tank 13 is transported to each layer of the annular liquid delivery pipe 28 through the absorbent delivery pipe 5, and is evenly sprayed through the reversing spray head 29 to absorb the carbon dioxide in the exhaust gas. The used absorbent is recovered and stored through the absorbent recovery tank 8, and is transported to the heat exchanger 10 for heat exchange treatment through the lower mixed liquid delivery pipe 12, and is transported to the separation tower 15 through the upper mixed liquid delivery pipe 11. The gas and liquid are transported separately through the left absorbent separation port 23 and the left carbon dioxide separation port 24. At the same time, the absorbent is transported to the reboiler 20 through the second connecting pipe 22 for vaporization treatment, and is evenly sprayed in the separation tower 15 through the right carbon dioxide separation port 25 and the right absorbent separation port 26 to separate the carbon dioxide, and the carbon dioxide is transported to the storage device through the carbon dioxide outlet 18, and the absorbent is stored through the absorbent circulation tank 13 for recycling.
[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A carbon absorption device, comprising an absorption tower (1) and a separation tower (15), characterized in that: The absorption tower (1) is arranged at one end above the common base (6), and a first inspection window (2) is provided at the front end of the absorption tower (1). The separation tower (15) is arranged at the other end above the common base (6). A demisting layer (27) and an annular liquid infusion pipe (28) are provided in sequence inside the absorption tower (1). Both sides of the lower part of the inner part of the annular liquid infusion pipe (28) are provided with redirecting spray heads (29). An exhaust gas inlet (3) is provided at the lower part of one side of the absorption tower (1). A clean gas outlet (4) is provided at the top of the absorption tower (1). A left absorbent separation port (23) and a right absorbent separation port (26) are provided at both sides of the inner part of the separation tower (15). A left carbon dioxide separation port (24) is provided on the top surface of the left absorbent separation port (23), and the left absorbent separation port (23) and the left carbon dioxide separation port (26) are connected to each other. The right absorbent separation port (24) is connected to form a V-shaped structure, the top surface of the right absorbent separation port (26) is provided with a right carbon dioxide separation port (25), and the right carbon dioxide separation port (25) is connected to the right absorbent separation port (26) to form a V-shaped structure, a reboiler (20) is provided at the outer position of the separation tower (15), a heat exchanger (10) is provided at the middle position above the common base (6), support frames (7) are provided on both sides below the common base (6), and absorbent recovery tanks (8) and absorbent circulation tanks (13) are provided at both ends of the common base (6), a carbon dioxide outlet (18) is provided at the top of the outer side of the separation tower (15), a second inspection window (16) is provided above the front end of the separation tower (15), and a sampling hole (17) is provided below the second inspection window (16).
2. A carbon absorption device according to claim 1, characterized in that: The absorbent recovery tank (8) is fixedly connected to the bottom surface of the absorption tower (1) via a first flange connection plate (9), and the absorbent recovery tank (8) is fixedly connected to the heat exchanger (10) via a lower mixed liquid delivery pipe (12).
3. A carbon absorption device according to claim 1, characterized in that: The annular liquid infusion pipe (28) is fixedly connected to the absorbent circulation tank (13) via an absorbent delivery pipe (5); the direction-changing spray head (29) is connected to the annular liquid infusion pipe (28) by welding, and the direction-changing spray head (29) is configured as an inclined structure.
4. A carbon absorption device according to claim 1, characterized in that: The heat exchanger (10) and the separation tower (15) are fixedly connected via an upper mixed liquid delivery pipe (11), and the absorbent circulation tank (13) and the separation tower (15) are fixedly connected via a second flange connection plate (14).
5. A carbon absorption device according to claim 1, characterized in that: The reboiler (20) is connected to the separation tower (15) via a fixing bracket (21), the fixing bracket (21) is connected to the separation tower (15) via welding, and the reboiler (20) is fixedly connected to the fixing bracket (21) via bolts.
6. A carbon absorption device according to claim 1, characterized in that: The reboiler (20) is connected to the absorbent circulation tank (13) via a second connecting pipe (22), and the reboiler (20) is connected to the separation tower (15) via a first connecting pipe (19).