Continuous kettle type shipborne carbon capture device
By combining a continuous tank design with chemical absorbents, the problems of swaying and tipping of shipborne carbon capture equipment in windy and wave environments have been solved, achieving efficient carbon dioxide capture and improving the stability and capture rate of the equipment.
Patent Information
- Application Number
- CN202422258318.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-09-14
AI Technical Summary
Existing shipborne carbon capture equipment is prone to swaying or tipping over in rough seas, resulting in low capture efficiency.
It adopts a continuous reactor design, with the first and second absorption reactors connected in series in the horizontal direction. It is equipped with a stirring assembly and a pump assembly, and is connected through an inlet pipe and an outlet pipe to lower the center of gravity, prevent shaking and improve stability. At the same time, it uses a chemical absorbent such as ethanolamine solution to absorb carbon dioxide.
It improves carbon dioxide capture efficiency, reduces the risk of shaking and tipping of equipment in windy and wavy environments, and enhances the stability and capture rate of the equipment, achieving a carbon dioxide capture rate of 71%-90%.
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Figure CN223586875U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to carbon capture technical field, especially a kind of continuous kettle type shipborne carbon capture device. BACKGROUND
[0002] Shipborne carbon capture equipment has become one of the decarbonization technologies that the shipping industry is concerned about. Similar to carbon capture plants on land, carbon capture equipment on ships uses absorbents to absorb carbon dioxide. Shipborne carbon capture equipment requires an absorption tower to absorb carbon dioxide in tail gas, and then regenerates the absorbent through a desorption tower, and the separated carbon dioxide is compressed and cooled into a liquid state and stored in a specially designed storage tank on the ship.
[0003] The center of gravity of the absorption tower of the current shipborne carbon capture equipment is high, and under the influence of sea waves, the absorption tower is easy to sway or tip over, and the operation stability of the shipborne carbon capture equipment is low, resulting in low capture efficiency of the shipborne carbon capture equipment. SUMMARY
[0004] The utility model aims at at least one of the technical problems existing in the prior art. To this end, the utility model provides a continuous kettle type shipborne carbon capture device, which can improve the carbon dioxide capture efficiency.
[0005] A continuous kettle type shipborne carbon capture device according to an embodiment of the utility model comprises:
[0006] A batching tank is used to configure an absorbent for absorbing carbon dioxide.
[0007] A first absorption kettle and a second absorption kettle are arranged in series along the horizontal direction, the first absorption kettle is provided with a first absorption cavity for storing the absorbent, the first absorption kettle has a first gas inlet joint, a first liquid inlet joint, a first gas outlet joint and a first liquid outlet joint communicating with the first absorption cavity, the second absorption kettle is provided with a second absorption cavity for storing the absorbent, the second absorption kettle has a second gas inlet joint, a second liquid inlet joint, a second gas outlet joint and a second liquid outlet joint communicating with the second absorption cavity, the batching tank is communicated with the first liquid inlet joint through a liquid inlet pipe, the first gas inlet joint is used to inject ship tail gas, the first gas outlet joint is communicated with the second gas inlet joint through a first gas outlet pipe, the first liquid outlet joint is communicated with the second liquid inlet joint through a first liquid outlet pipe, and the batching tank is communicated with the first liquid inlet joint.
[0008] A continuous kettle type shipborne carbon capture device according to an embodiment of the utility model has at least the following beneficial effects:
[0009] When the continuous tank type shipboard carbon capture device works, the absorbent in the ingredient tank flows into the first absorption cavity through the liquid inlet pipe, the absorbent and the solvent rich liquid in the first absorption cavity flow into the second absorption cavity through the first liquid outlet pipe, after the ship exhaust gas is cooled and the particulate matter is removed through the water washing tower, the ship exhaust gas is injected into the first absorption cavity through the first gas inlet joint, so that the carbon dioxide in the ship exhaust gas is fully absorbed by the absorbent in the first absorption cavity, then, the carbon dioxide and other gases not absorbed flow into the second absorption cavity through the first gas outlet pipe, so that the carbon dioxide is fully absorbed by the absorbent in the second absorption cavity, since the first absorption tank and the second absorption tank are arranged in series along the horizontal direction, the traditional way of absorbing carbon dioxide by using an absorption tower can be abandoned, the gravity center of the continuous tank type shipboard carbon capture device can be reduced, and the situation that the continuous tank type shipboard carbon capture device shakes or tilts due to the influence of the marine wind and wave can be prevented, in the wave environment, the first absorption tank and the second absorption tank arranged side by side along the horizontal direction reduce the influence of shaking on gas-liquid mass transfer, and the stability of the continuous tank type shipboard carbon capture device during navigation is improved.
[0010] According to some embodiments of the present application, a third absorption tank is further included, the first absorption tank, the second absorption tank and the third absorption tank are arranged in series along the horizontal direction, the third absorption tank is provided with a third absorption cavity, the third absorption tank has a third gas inlet joint, a third liquid inlet joint, a third gas outlet joint and a third liquid outlet joint which communicate with the third absorption cavity, the second gas outlet joint communicates with the third gas inlet joint through a second gas outlet pipe, and the second liquid outlet joint communicates with the third liquid inlet joint through a second liquid outlet pipe.
[0011] According to some embodiments of the present application, a heat exchanger and a desorption tower are further included, the heat exchanger has a hot end and a cold end, the third liquid outlet joint communicates with the desorption tower through a first pipeline, the first pipeline passes through the hot end, the first liquid inlet joint communicates with the desorption tower through a second pipeline, and the second pipeline passes through the cold end.
[0012] According to some embodiments of the present application, the first liquid outlet pipe is provided with a first pump body assembly, the first pump body assembly is used for pumping the absorbent in the first absorption cavity into the second absorption cavity, and / or,
[0013] the second liquid outlet pipe is provided with a second pump body assembly, the second pump body assembly is used for pumping the absorbent in the second absorption cavity into the third absorption cavity.
[0014] According to some embodiments of the present application, the first gas outlet pipe is provided with a first gas compressor, the first gas compressor is used for increasing the gas pressure in the first gas outlet pipe, and / or,
[0015] The second gas outlet pipe is provided with a second gas compressor for increasing the gas pressure in the second gas outlet pipe.
[0016] According to some embodiments of the present application, the first gas inlet joint is close to the bottom of the first absorption cavity, the second gas inlet joint is close to the bottom of the second absorption cavity, and the third gas inlet joint is close to the bottom of the third absorption cavity.
[0017] According to some embodiments of the present application, the first liquid inlet joint is above the first gas inlet joint, the second liquid inlet joint is above the second gas inlet joint, and the third liquid inlet joint is above the third gas inlet joint.
[0018] According to some embodiments of the present application, a first stirring assembly is further included, which comprises a first driving member, a first stirring shaft and a first stirring blade, the first driving member is arranged outside the first absorption kettle, the first stirring shaft is rotatably arranged in the first absorption kettle, one end of the first stirring shaft is connected with the output shaft of the first driving member, and the other end of the first stirring shaft is connected with the first stirring blade.
[0019] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0020] The present application will be further described below in combination with the drawings and embodiments, in which:
[0021] Figure 1 FIG. 1 is a structural schematic view of a continuous kettle type shipboard carbon capture device according to an embodiment of the present application.
[0022] Reference Signs List:
[0023] The ingredient tank 100;
[0024] The first absorption kettle 200, the first absorption cavity 210, the first gas inlet joint 220, the first liquid inlet joint 230, the first gas outlet joint 240, the first liquid outlet joint 250, the first driving member 261, the first stirring shaft 262 and the first stirring blade 263;
[0025] The second absorption kettle 300, the second absorption cavity 310, the second gas inlet joint 320, the second liquid inlet joint 330, the second gas outlet joint 340, the second liquid outlet joint 350, the second driving member 361, the second stirring shaft 362 and the second stirring blade 363;
[0026] The third absorption kettle 400, the third absorption cavity 410, the third gas inlet joint 420, the third liquid inlet joint 430, the third gas outlet joint 440, the third liquid outlet joint 450, the third driving member 461, the third stirring shaft 462, and the third stirring blade 463;
[0027] The liquid inlet pipe 510, the first gas outlet pipe 520, the first gas compressor 521, the first liquid outlet pipe 530, the first pump body assembly 531, the second gas outlet pipe 540, the second gas compressor 541, the second liquid outlet pipe 550, the second pump body assembly 551, the first pipeline 560, the third pump body assembly 561, the second pipeline 570, the third pipeline 580, the third gas compressor 581, and the third gas outlet pipe 590;
[0028] The heat exchanger 610, the desorption tower 620, and the fourth gas outlet pipe 621, and the water washing tower 630. DETAILED DESCRIPTION
[0029] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.
[0030] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.
[0031] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.
[0032] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application according to the specific content of the technical scheme.
[0033] In the related art, the ship-mounted carbon capture device has become one of the decarbonization technologies that the shipping industry is concerned about. Similar to the carbon capture plant on land, the carbon capture device on the ship uses an absorbent to absorb carbon dioxide. The ship-mounted carbon capture device needs an absorption tower to absorb carbon dioxide in the tail gas, and then regenerates the absorbent through a desorption tower, and the separated carbon dioxide is compressed and cooled into a liquid state and stored in a special storage tank on the ship. The center of gravity of the absorption tower of the current ship-mounted carbon capture device is high, and under the influence of sea waves, the absorption tower is easy to sway or tip over, the operation stability of the ship-mounted carbon capture device is low, and the capture efficiency of the ship-mounted carbon capture device is low.
[0034] Based on this, with reference to Figure 1 The embodiment provides a continuous tank type ship-mounted carbon capture device, which comprises a dosing tank 100, a first absorption tank 200 and a second absorption tank. The dosing tank 100 is used for configuring an absorbent for absorbing carbon dioxide. The first absorption tank 200 and the second absorption tank 300 are arranged in series along the horizontal direction. The first absorption tank 200 is provided with a first absorption cavity 210 for storing the absorbent. The first absorption tank 200 is provided with a first gas inlet joint 220, a first liquid inlet joint 230, a first gas outlet joint 240 and a first liquid outlet joint 250 which are communicated with the first absorption cavity 210. The second absorption tank 300 is provided with a second absorption cavity 310 for storing the absorbent. The second absorption tank 300 is provided with a second gas inlet joint 320, a second liquid inlet joint 330, a second gas outlet joint 340 and a second liquid outlet joint 350 which are communicated with the second absorption cavity 310. The dosing tank 100 is communicated with the first liquid inlet joint 230 through a liquid inlet pipe 510. The first gas inlet joint 220 is used for injecting the ship tail gas. The first gas outlet joint 240 is communicated with the second gas inlet joint 320 through a first gas outlet pipe 520. The first liquid outlet joint 250 is communicated with the second liquid inlet joint 330 through a first liquid outlet pipe 530. The dosing tank 100 is communicated with the first liquid inlet joint 230. In this way, the center of gravity of the continuous tank type ship-mounted carbon capture device can be reduced, the continuous tank type ship-mounted carbon capture device is prevented from swaying or tipping over due to the influence of the sea waves, and the stability of the continuous tank type ship-mounted carbon capture device during navigation is improved.
[0035] Specifically, during the operation of the continuous tank type shipboard carbon capture device, the absorbent in the ingredient tank 100 flows into the first absorption cavity 210 through the liquid inlet pipe 510, the absorbent and the solvent-rich liquid in the first absorption cavity 210 flow into the second absorption cavity 310 through the first liquid outlet pipe 530, the ship exhaust gas is injected into the first absorption cavity 210 through the first gas inlet joint 220 after being cooled and having particulate matter removed by the water scrubber 630, so that the carbon dioxide in the ship exhaust gas is fully absorbed by the absorbent in the first absorption cavity 210, then the carbon dioxide and other gases that are not absorbed flow into the second absorption cavity 310 through the first gas outlet pipe 520, so that the carbon dioxide is fully absorbed by the absorbent in the second absorption cavity 310, since the first absorption tank 200 and the second absorption tank 300 are arranged in series along the horizontal direction, the traditional way of absorbing carbon dioxide by using an absorption tower can be abandoned, the gravity center of the continuous tank type shipboard carbon capture device can be lowered, and the situation that the continuous tank type shipboard carbon capture device shakes or tilts due to the influence of the sea wind and wave can be prevented, and in the wave environment, the first absorption tank 200 and the second absorption tank 300 arranged side by side along the horizontal direction reduce the influence of shaking on gas-liquid mass transfer, and the stability of the continuous tank type shipboard carbon capture device during navigation is improved.
[0036] It should be noted that the absorbent can be a chemical absorbent, such as an ethanolamine solution, an ionic liquid, a eutectic salt, a dilute aqueous solution, a multi-component composite solution, etc., or a physical absorbent, which is not limited herein.
[0037] In some embodiments of the utility model, the first absorption tank 200, the second absorption tank 300 and the third absorption tank 400 are arranged in series along the horizontal direction, the third absorption tank 400 is provided with a third absorption cavity 410, the third absorption tank 400 is provided with a third gas inlet joint 420, a third liquid inlet joint 430, a third gas outlet joint 440 and a third liquid outlet joint 450 which are communicated with the third absorption cavity 410, the second gas outlet joint 340 is communicated with the third gas inlet joint 420 through a second gas outlet pipe 540, and the second liquid outlet joint 350 is communicated with the third liquid inlet joint 430 through a second liquid outlet pipe 550, so that the carbon dioxide capture rate of the continuous tank type shipboard carbon capture device is improved.
[0038] Specifically, the third gas outlet joint 440 is connected with a third gas outlet pipe 590, and when the carbon dioxide in the ship exhaust gas is absorbed by the absorbent in the first absorption cavity 210 and the second absorption cavity 310 in sequence, the remaining carbon dioxide flows into the third absorption cavity 410 through the second gas outlet pipe 540 to be absorbed by the absorbent in the third absorption cavity 410, and the ship exhaust gas after the removal of carbon dioxide is directly discharged to the outside from the third gas outlet pipe 590, so that the carbon dioxide capture rate of the continuous tank type shipboard carbon capture device is improved.
[0039] It should be noted that when the absorbent is a chemical absorbent, such as an ethanolamine solution, the concentration of the ethanolamine solution is preferably 30%, and the absorbent in the first absorption cavity 210, the second absorption cavity 310 or the third absorption cavity 410 includes the absorbent and a solvent-rich liquid, which will not be described in detail here.
[0040] It should be pointed out that the continuous kettle type shipboard carbon capture device can also be provided with a fourth absorption kettle or a fifth absorption kettle in series after the third absorption kettle 400, which is not limited here.
[0041] In some embodiments of the utility model, the continuous kettle type shipboard carbon capture device further comprises a heat exchanger 610 and a desorption tower 620, the heat exchanger 610 has a hot end and a cold end, the third liquid outlet joint 450 is communicated with the desorption tower 620 through a first pipeline 560, the first pipeline 560 passes through the hot end, the first liquid inlet joint 230 is communicated with the desorption tower 620 through a second pipeline 570, the second pipeline 570 passes through the cold end, and the absorbent can be recycled to save energy consumption and realize solvent regeneration.
[0042] Specifically, the solvent-rich liquid in the third absorption cavity 410 is heated by the hot end of the heat exchanger 610 through the first pipeline 560, then the solvent-rich liquid is pumped into the desorption tower 620 through the third pump body assembly 561, in the desorption tower, the solvent-rich liquid is regenerated and desorbed, the solvent-rich liquid is regenerated to form a solvent-lean liquid, the solvent-lean liquid is cooled by the cold end of the heat exchanger 610 through the second pipeline 570, then the solvent-lean liquid flows back to the first absorption cavity 210 to absorb carbon dioxide again, and the absorbent can be recycled to save energy consumption and realize solvent regeneration.
[0043] It should be pointed out that the continuous kettle type shipboard carbon capture device further comprises a water washing tower 630, the water washing tower 630 is communicated with the first gas inlet joint 220 through a third pipeline 580, a third gas compressor 581 is arranged on the third pipeline 580, and the third gas compressor 581 is used to increase the pressure of the ship exhaust gas in the third pipeline 580, so that the ship exhaust gas can be injected into the first absorption cavity 210, and the water washing tower 630 uses seawater to wash the ship exhaust gas, which can cool the ship exhaust gas and remove particulate matter in the ship exhaust gas.
[0044] In some embodiments of the utility model, the first liquid outlet pipe 530 is provided with a first pump body assembly 531, and the first pump body assembly 531 can pressurize the absorbent and the solvent-rich liquid at the bottom of the first absorption cavity 210 and then input the absorbent and the solvent-rich liquid of the first absorption cavity 210 into the second absorption cavity 310.
[0045] In some embodiments of the utility model, second liquid outlet pipe 550 is equipped with second pump body assembly 551, second pump body assembly 551 can pressurize the absorbent and solvent rich liquid of second absorption cavity 310 bottom, then input the absorbent and solvent rich liquid of second absorption cavity 310 into third absorption cavity 410.
[0046] Need to point out, first pump body assembly 531, second pump body assembly 551 and third pump body assembly 561 can be centrifugal pump, axial flow pump or screw pump structure, the specific structure of first pump body assembly 531, second pump body assembly 551 and third pump body assembly 561 can be known technology, not detailed here.
[0047] In some embodiments of the utility model, first air inlet joint 220 is close to the bottom of first absorption cavity 210, so that the ship exhaust can be directly injected into the absorbent of first absorption cavity 210, which can increase the contact area of carbon dioxide and absorbent, so that the absorbent in first absorption cavity 210 can fully absorb carbon dioxide, thereby improving the capture rate of carbon dioxide.
[0048] In some embodiments of the utility model, second air inlet joint 320 is close to the bottom of second absorption cavity 310, first gas compressor 521 is arranged on first gas outlet pipe 520, and first gas compressor 521 is used to increase the gas pressure in first gas outlet pipe 520, so that the gas in first gas outlet pipe 520 can enter the absorbent in second absorption cavity 310, so that the absorbent fully absorbs carbon dioxide, thereby improving the capture rate of carbon dioxide.
[0049] Similarly, third air inlet joint 420 is close to the bottom of third absorption cavity 410, and second gas compressor 541 is arranged on second gas outlet pipe 540, and second gas compressor 541 is used to increase the gas pressure in second gas outlet pipe 540, so that the gas in second gas outlet pipe 540 can enter the absorbent in third absorption cavity 410, so that the absorbent fully absorbs carbon dioxide, thereby improving the capture rate of carbon dioxide.
[0050] In some embodiments of the utility model, first liquid inlet joint 230 is located above first air inlet joint 220, which can ensure that gas and liquid are fully contacted, thereby improving the capture rate of carbon dioxide.
[0051] Specifically, when the continuous kettle type shipboard carbon capture device works, the absorbent falls into the first absorption cavity 210 from top to bottom, and the carbon dioxide moves from bottom to top, so that the absorbent can be impacted by the carbon dioxide, which can increase the contact area of the absorbent and carbon dioxide in the first absorption cavity 210, thereby improving the capture rate of carbon dioxide.
[0052] Similarly, the second liquid inlet joint 330 is located above the second gas inlet joint 320, which can increase the contact area of the absorbent and carbon dioxide in the second absorption cavity 310, thereby improving the capture rate of carbon dioxide.
[0053] Similarly, the third liquid inlet joint 430 is located above the third gas inlet joint 420, which can increase the contact area of the absorbent and carbon dioxide in the third absorption cavity 410, thereby improving the capture rate of carbon dioxide.
[0054] In some embodiments of the utility model, still include first stirring subassembly, first stirring subassembly includes first drive piece 261, first stirring shaft 262 and first stirring vane 263, first drive piece 261 is located at the outside of first absorption kettle 200, first stirring shaft 262 is rotatably threaded in first absorption kettle 200, one end of first stirring shaft 262 is connected with the output shaft of first drive piece 261, the other end of first stirring shaft 262 is connected with first stirring vane 263, first drive piece 261 drives first stirring vane 263 to agitate the absorbent in first absorption cavity 210 through first stirring shaft 262, so that the absorbent in first absorption cavity 210 can be fully contacted with carbon dioxide, thereby improving the capture rate of carbon dioxide.
[0055] In some embodiments of the utility model, still include second stirring subassembly, second stirring subassembly includes second drive piece 361, second stirring shaft 362 and second stirring vane 363, second drive piece 361 is located at the outside of second absorption kettle 300, second stirring shaft 362 is rotatably threaded in second absorption kettle 300, one end of second stirring shaft 362 is connected with the output shaft of second drive piece 361, the other end of second stirring shaft 362 is connected with second stirring vane 363, second drive piece 361 drives second stirring vane 363 to agitate the absorbent in second absorption cavity 310 through second stirring shaft 362, so that the absorbent in second absorption cavity 310 can be fully contacted with carbon dioxide, thereby improving the capture rate of carbon dioxide.
[0056] In some embodiments of the utility model, still include third stirring subassembly, third stirring subassembly includes third drive piece 461, third stirring shaft 462 and third stirring vane 463, third drive piece 461 is located at the outside of third absorption kettle 400, third stirring shaft 462 is rotatably threaded in third absorption kettle 400, one end of third stirring shaft 462 is connected with the output shaft of third drive piece 461, the other end of third stirring shaft 462 is connected with third stirring vane 463, third drive piece 461 drives third stirring vane 463 to agitate the absorbent in third absorption cavity 410 through third stirring shaft 462, so that the absorbent in third absorption cavity 410 can be fully contacted with carbon dioxide, thereby improving the capture rate of carbon dioxide.
[0057] It should be noted that the first driving member 261, the second driving member 361 and the third driving member 461 can be power components such as a stepper motor or a servo motor, which are not limited here.
[0058] When the on-line carbon capture device of the connecting kettle is in a steady running state, after the ship exhaust gas passes through the first absorption kettle 200, the carbon dioxide capture rate reaches 71%, and part of the carbon dioxide in the ship exhaust gas is captured by the absorbent in the first absorption cavity 210. The absorbent in the first absorption cavity 210 is pressurized by the first pump body assembly 531 and then enters the second absorption cavity 310. The uncollected carbon dioxide in the first absorption cavity 210 enters the second absorption cavity 310 through the first gas compressor 521.
[0059] When the ship exhaust gas passes through the second absorption kettle 300, the carbon dioxide capture rate reaches 87%, and part of the carbon dioxide in the ship exhaust gas is captured by the absorbent in the second absorption cavity 310. The absorbent in the second absorption cavity 310 is pressurized by the second pump body assembly 551 and then enters the third absorption cavity 410. The uncollected carbon dioxide in the second absorption cavity 310 enters the third absorption cavity 410 through the second gas compressor 541.
[0060] When the ship exhaust gas passes through the third absorption kettle 400, the carbon dioxide capture rate reaches 90% of the carbon emission design requirement, and the ship exhaust gas will be discharged from the third gas outlet pipe 590 to the atmosphere. The solvent rich liquid in the third absorption cavity 410 will be pressurized by the third pump body assembly 561 and heated by the heat exchanger 610 from the first pipeline 560 to enter the desorption tower 620. Subsequent solvent desorption and carbon dioxide separation are carried out in the desorption tower 620. After the carbon dioxide separated in the desorption tower 620 is discharged from the fourth gas outlet pipe 621, it is stored or utilized.
[0061] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but as long as the combinations of the technical features do not contradict, they should be considered within the scope of the present disclosure.
[0062] The above embodiments are described in detail in combination with the drawings, but the present application is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the true spirit of the present application.
Claims
1. A continuous vessel-type shipborne carbon capture device, characterized in that, include: Mixing tank (100) is used to prepare the absorbent for absorbing carbon dioxide; A first absorption vessel (200) and a second absorption vessel (300) are connected in series in a horizontal direction. The first absorption vessel (200) is provided with a first absorption chamber (210) for storing absorbent. The first absorption vessel (200) has a first air inlet (220), a first liquid inlet (230), a first air outlet (240), and a first liquid outlet (250) communicating with the first absorption chamber (210). The second absorption vessel (300) is provided with a second absorption chamber (310) for storing absorbent. The second absorption vessel (300) has a second air inlet communicating with the second absorption chamber (310). 320), second liquid inlet connector (330), second air outlet connector (340) and second liquid outlet connector (350), the mixing tank (100) is connected to the first liquid inlet connector (230) through the liquid inlet pipe (510), the first air inlet connector (220) is used to inject ship exhaust gas, the first air outlet connector (240) is connected to the second air inlet connector (320) through the first air outlet pipe (520), the first liquid outlet connector (250) is connected to the second liquid inlet connector (330) through the first liquid outlet pipe (530), and the mixing tank (100) is connected to the first liquid inlet connector (230).
2. The continuous vessel-type shipborne carbon capture device according to claim 1, characterized in that, It also includes a third absorption vessel (400), wherein the first absorption vessel (200), the second absorption vessel (300) and the third absorption vessel (400) are arranged in series in the horizontal direction. The third absorption vessel (400) is provided with a third absorption chamber (410). The third absorption vessel (400) has a third air inlet connector (420), a third liquid inlet connector (430), a third air outlet connector (440) and a third liquid outlet connector (450) that are connected to the third absorption chamber (410). The second air outlet connector (340) is connected to the third air inlet connector (420) through a second air outlet pipe (540), and the second liquid outlet connector (350) is connected to the third liquid inlet connector (430) through a second liquid outlet pipe (550).
3. A continuous vessel-type shipborne carbon capture device according to claim 2, characterized in that, It also includes a heat exchanger (610) and a desorption tower (620), the heat exchanger (610) having a hot end and a cold end, the third liquid outlet connector (450) being connected to the desorption tower (620) through a first pipeline (560) passing through the hot end, the first liquid inlet connector (230) being connected to the desorption tower (620) through a second pipeline (570) passing through the cold end.
4. A continuous vessel-type shipborne carbon capture device according to claim 2, characterized in that, The first outlet pipe (530) is provided with a first pump assembly (531), which is used to pump the absorbent in the first absorption chamber (210) into the second absorption chamber (310); and / or, The second outlet pipe (550) is provided with a second pump assembly (551), which is used to pump the absorbent in the second absorption chamber (310) into the third absorption chamber (410).
5. A continuous vessel-type shipborne carbon capture device according to claim 2, characterized in that, The first outlet pipe (520) is equipped with a first gas compressor (521), which is used to increase the gas pressure in the first outlet pipe (520); and / or, The second gas outlet pipe (540) is equipped with a second gas compressor (541), which is used to increase the gas pressure in the second gas outlet pipe (540).
6. A continuous vessel-type shipborne carbon capture device according to claim 2, characterized in that, The first air inlet connector (220) is located near the bottom of the first absorption chamber (210), the second air inlet connector (320) is located near the bottom of the second absorption chamber (310), and the third air inlet connector (420) is located near the bottom of the third absorption chamber (410).
7. A continuous vessel-type shipborne carbon capture device according to claim 6, characterized in that, The first liquid inlet connector (230) is located above the first air inlet connector (220), the second liquid inlet connector (330) is located above the second air inlet connector (320), and the third liquid inlet connector (430) is located above the third air inlet connector (420).
8. A continuous vessel-type shipborne carbon capture device according to claim 1, characterized in that, It also includes a first stirring assembly, which includes a first driving member (261), a first stirring shaft (262) and a first stirring blade (263). The first driving member (261) is located on the outside of the first absorption vessel (200). The first stirring shaft (262) is rotatably inserted through the first absorption vessel (200). One end of the first stirring shaft (262) is connected to the output shaft of the first driving member (261), and the other end of the first stirring shaft (262) is connected to the first stirring blade (263).