Carbon dioxide solid adsorbent preparation device
By designing a carbon dioxide solid adsorbent preparation device consisting of a stirring tank, a washing tank and a muffle furnace, the high energy consumption and corrosion problems of the amine solution absorption method were solved, and a low-cost, high-efficiency carbon dioxide solid adsorbent was prepared, which is suitable for the field of carbon dioxide capture.
Patent Information
- Application Number
- CN202422831885.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Among existing industrial carbon dioxide capture technologies, the alcohol amine solution absorption method has problems such as high desorption energy consumption, easy volatility of the absorbent, and easy corrosion of equipment. There is an urgent need for a low-cost and efficient carbon dioxide solid adsorbent preparation device.
A preparation device consisting of a stirring tank, a washing tank, a grinding tank and a muffle furnace was designed. The tanks were connected by series pipes. Utilizing components such as a motor, a heating plate and an ultrasonic generator, MgAl-LDH samples were prepared and activated in a muffle furnace to form a potassium-modified composite metal oxide adsorbent.
It realizes the carbon dioxide adsorption capture with low energy consumption, simple operation and wide application range, and has broad application prospects.
Smart Images
Figure CN223439869U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to carbon dioxide solid adsorbent preparation technical field, concretely relates to a carbon dioxide solid adsorbent preparation device. BACKGROUND
[0002] The steel industry is a high energy consumption intensive industry, and its carbon emission accounts for about 15% of the total emission in China, which is the key industry of carbon emission reduction in China, and the research on high-efficiency and low-cost CO2 capture technology is an important content of carbon emission reduction work. CO2 capture technology mainly includes solvent absorption, solid adsorption and membrane separation.
[0003] The current commonly used process in industry is alcohol amine solution absorption method, but there are problems such as high desorption energy consumption, volatile absorbent, easy to corrode equipment, compared with solid adsorption technology has the advantages of less investment, wide application range, simple operation and low energy consumption, and has broad application prospect in the field of CO2 adsorption and capture, therefore, an urgent need for a carbon dioxide solid adsorbent preparation device to solve the above problems. UTILITY MODEL CONTENT
[0004] (I) Technical problem to be solved
[0005] The technical problem to be solved by the utility model is that in view of the status of the prior art, a preparation device capable of quickly preparing carbon dioxide solid adsorbent, having good preparation effect and good treatment effect on carbon dioxide is provided.
[0006] (II) Technical scheme
[0007] The utility model discloses a carbon dioxide solid adsorbent preparation device, including the stirring jar, the stirring jar lower part is provided with the washing jar, the washing jar lower part is provided with the grinding jar no.
[0008] Further, the stirring jar, the washing jar, the grinding jar no. 1, the grinding jar no. 2 and the muffle furnace are connected by pipelines, and the powder pump is installed on the pipelines between the grinding jar no. 1 and the grinding jar no. 2 and between the grinding jar no. 2 and the muffle furnace by bolts.
[0009] By adopting the above technical scheme, the pipelines are connected in series with the jars, thereby facilitating the circulation of materials, and the powder pump can extract and transport the powder in the last two processes.
[0010] Further, the output shaft of the motor no. 1 is fixedly connected with the stirring shaft no. 1, and the heating plate no. 1 is fixed on the inner wall of the stirring jar by screws.
[0011] By adopting the technical scheme, a certain amount of MgCl2·6H2O and AlCl3·6H2O are mixed and dissolved in 100 mL of deionized water, the molar ratio n(Mg2+)∶n(Al3+) is fixed as 3∶1; a certain amount of NaOH and Na2CO3 are dispersed and mixed and dissolved in 50 mL of deionized water, the ratio n(OH-):n(CO32-) is fixed as 2.25∶1, then the two solutions are simultaneously added dropwise into the stirring tank containing 100 ml of deionized water through the feeding hopper, heated to 60 degrees by the heating plate one, and stirred vigorously by the driving motor one and the stirring shaft one under the constant temperature of 60 DEG C, and the PH detector is used to keep the PH value as 10.0, after the feeding is completed, the stirring is continuously carried out under the constant temperature of 60 DEG C for 18 hours, so that the precipitate is generated.
[0012] Further, the filter cartridge is fixed in the washing tank, the washing pipe is connected with the pipeline through threads, the bottom end of the side wall of the washing tank is reserved with a liquid discharge pipe, and the electromagnetic valves are installed on the liquid discharge pipe and the washing pipe.
[0013] By adopting the technical scheme, the precipitate is discharged into the filter cartridge for filtration, after the discharge of the precipitate is completed, the upper liquid is discharged and collected through the discharge pipe, then the precipitate is repeatedly washed with deionized water through the washing pipe, the PH value of the filtrate is detected by the PH detector, and then the filtrate is discharged through the liquid discharge tank, and the precipitate after washing enters the grinding hopper one.
[0014] Further, the grinding hopper one is welded in the grinding tank one, the output shaft of the motor two is fixedly connected with the grinding block one, and the heating plate two is fixed on the inner wall of the grinding hopper one through screws.
[0015] By adopting the technical scheme, the heating plate two heats the machine box in the grinding hopper two, and then the filter cake after washing is dried at 100 DEG C for 18 hours, and then the grinding block one is driven by the driving motor two to grind the filter cake into powder, and the obtained solid is a MgAl-LDH sample.
[0016] Further, the mixing tank is welded to the upper end of the grinding tank two, the output shaft of the motor three is fixedly connected with the stirring shaft two, the excitation plate and the ultrasonic generator are connected with the mixing tank through screws, and the excitation plate is electrically connected with the ultrasonic generator.
[0017] By adopting the above technical scheme, the MgAl-LDH sample is injected into the mixing tank according to a preset ratio by the powder pump and potassium carbonate, deionized water is added into the mixing tank, and the stirring shaft two is driven by the motor three to stir violently for 30 minutes, and then ultrasonic treatment is carried out at room temperature by the ultrasonic generator and the excitation plate for 30 minutes.
[0018] Further, the output shaft of the motor four is fixedly connected with the grinding block two, and the heating plate three is connected with the grinding hopper two through screws.
[0019] By adopting the above technical scheme, the solution treated by ultrasonic is injected into the grinding hopper two, the heating plate heats it to 100 DEG C to dry, after drying, the grinding block two is driven to rotate by the motor four, and the powder is ground, then the ground powder sample is injected into the muffle furnace by the powder pump, and the potassium modified composite metal oxide adsorbent is obtained after calcination at a certain activation temperature for 1h.
[0020] (Three) beneficial effects
[0021] Compared with the prior art, the utility model has the following beneficial effects:
[0022] In order to solve the current industrial commonly used process is alcohol amine solution absorption method, but there is the problem of high desorption energy consumption, volatile absorbent, easy to corrode equipment, the carbon dioxide solid adsorbent prepared by the utility model has the advantages of less investment, wide application range, simple operation and low energy consumption, and has wide application prospect in the field of CO2 adsorption and capture. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is the structure diagram of the carbon dioxide solid adsorbent preparation device of the utility model;
[0024] Figure 2 It is the main sectional view of the stirring tank in the carbon dioxide solid adsorbent preparation device of the utility model;
[0025] Figure 3 It is the main sectional view of the washing tank in the carbon dioxide solid adsorbent preparation device of the utility model
[0026] Figure 4 It is the main sectional view of the grinding tank one in the carbon dioxide solid adsorbent preparation device of the utility model;
[0027] Figure 5 It is the main sectional view of the grinding tank two in the carbon dioxide solid adsorbent preparation device of the utility model.
[0028] The signs are explained as follows:
[0029] 1, agitator jar; 2, motor one; 3, injection hopper; 4, washing tank; 5, washing pipe; 6, PH detector; 7, liquid discharge hang; 8, grinding tank one; 9, motor two; 10, grinding tank two; 11, motor three; 12, muffle furnace; 13, stirring shaft one; 14, heating plate one; 15, filter cartridge; 16, grinding block one; 17, grinding hopper one; 18, heating plate two; 19, mixing tank; 20, stirring shaft two; 21, excitation plate; 22, ultrasonic generator; 23, grinding hopper two; 24, motor four; 25, grinding block two; 26, heating plate three; 27, powder pump; 28, discharge pipe. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.
[0031] As Figures 1-5The embodiment shown, a kind of carbon dioxide solid adsorbent preparation device in this embodiment, including stirring tank 1, stirring tank 1 below is provided with washing tank 4, washing tank 4 below is provided with grinding tank one 8, grinding tank one 8 one side is connected with grinding tank two 10, grinding tank two 10 one side is connected with muffle furnace 12, pipeline is connected with each tank in series, in turn facilitate material circulation, stirring tank 1 upper end middle part is fixed with motor one 2, motor one 2's output shaft is connected with stirring shaft one 13, heating plate one 14 is installed on the inner wall of stirring tank 1, a certain amount of MgCl2·6H2 O and AlCl3·6H2 O are mixed and dissolved in 100mL deionized water, fixed molar ratio n (Mg2 +) ∶ n (Al3 +) =3 ∶ 1;A certain amount of NaOH and Na2 CO3 are dispersed and mixed and dissolved in 50mL deionized water, fixed n (OH-) ∶ n (CO32-) =2.25 ∶ 1, then two solutions are simultaneously added into stirring tank 1 containing 100ml deionized water by injection hopper 3 drop by drop, and it is heated to 60 degrees by heating plate one 14, and at 60 ℃ constant temperature, stirring shaft one 13 is driven by drive motor one 2 to stir violently and keep PH=10.0, after the injection is completed, continue to stir at 60°C constant temperature condition for 18h, so that it produces precipitation, the washing tank 4 is provided with a filter cartridge 15, the stirring tank 1 and the washing tank 4 are provided with a PH detector 6 on one side of the upper end, a washing pipe 5 is installed on the connecting pipeline between the stirring tank 1 and the washing tank 4, a discharge pipe 28 is installed above the washing pipe 5, the precipitate is discharged into the filter cartridge 15 for filtration, after the discharge of the precipitate is completed, the upper layer liquid is discharged and collected through the discharge pipe 28, then the precipitate is repeatedly washed with deionized water through the washing pipe 5, and the PH of the filtrate is detected by the PH detector 6, then the filtrate is discharged through the liquid discharge pipe 7, the precipitate after washing enters the grinding hopper one 17, a motor two 9 is fixed on the upper end of the grinding tank one 8, a grinding block one 16 is connected to the output shaft of the motor two 9, a grinding hopper one 17 is fixed in the grinding tank one 8, a heating plate two 18 is installed on the inner wall of the grinding hopper one 17, the heating plate two 18 heats the grinding hopper two 23, and then the filter cake after washing is dried at 100°C for 18h, then the filter cake is ground into powder by driving the motor two 9 to drive the grinding block one 16, the obtained solid is a MgAl-LDH sample, a motor three 11 is installed on the upper end of the grinding tank two 10, a mixing tank 19 is arranged on the upper end of the grinding tank two 10, a stirring shaft two 20 is connected to the output shaft of the motor three 11, a vibration plate 21 is fixed on the bottom end of the mixing tank 19, an ultrasonic generator 22 is arranged on one side of the vibration plate 21, the MgAl-LDH sample and potassium carbonate are injected into the mixing tank 19 according to a preset proportion through the powder pump 28, deionized water is added into the mixing tank 19, and the stirring shaft two 20 is driven to stir intensively for 30min through the motor three 11, then the solution is ultrasonically treated for 30min at room temperature through the ultrasonic generator 22 and the vibration plate 21, the mixing tank 19 is connected with a grinding hopper two 23, a motor four 24 is fixed on the upper end of the grinding hopper two 23, a grinding block two 25 is fixed on the output shaft of the motor four 24, and a heating plate three 26 is fixed on the inner wall of the grinding hopper two 23, the ultrasonically treated solution is injected into the grinding hopper two 23, and the solution is heated to 100°C for drying through the heating plate, then the solution is ground into powder by driving the motor four 24 to drive the grinding block two 25, then the ground powder sample is injected into the muffle furnace 12 through the powder pump 28, and a potassium-modified composite metal oxide adsorbent is obtained after calcination at a certain activation temperature for 1h.
[0032] As Figures 1-5As shown, in this embodiment, the stirring tank 1, the washing tank 4, the grinding tank 18, the grinding tank 2 10 and the muffle furnace 12 are connected by pipes, and the pipes between the grinding tank 18 and the grinding tank 2 10 and the grinding tank 2 10 and the muffle furnace 12 are installed with powder pumps 27 by bolts. The mixing tank 19 and the grinding bucket 2 23 are connected by pipes, and solenoid valves are installed on the pipes. The output shaft of the motor 12 is fixedly connected to the stirring shaft 13, the heating plate 14 is fixed to the inner wall of the stirring tank 1 by screws, the filter cartridge 15 is fixed in the washing tank 4, the washing pipe 5 is connected to the pipe by threads, a drain pipe 7 is reserved at the bottom end of one side wall of the washing tank 4, and solenoid valves are installed on the drain pipe 7 and the washing pipe 5, and the pH detector 6 is connected to the washing tank 4 by threads.
[0033] like Figures 1-5 As shown, in this embodiment, the grinding bucket 17 is welded in the grinding tank 1 8, the output shaft of the motor 2 9 is fixedly connected to the grinding block 16, the heating plate 2 18 is fixed to the inner wall of the grinding bucket 17 by screws, the mixing tank 19 is welded to the upper end of the grinding tank 2 10, the output shaft of the motor 3 11 is fixedly connected to the stirring shaft 2 20, the excitation plate 21 and the ultrasonic generator 22 are connected to the mixing tank 19 by screws, the excitation plate 21 is electrically connected to the ultrasonic generator 22, the output shaft of the motor 4 24 is fixedly connected to the grinding block 2 25, and the heating plate 3 26 is connected to the grinding bucket 2 23 by screws.
[0034] The specific implementation process of the embodiment is as follows: first, a certain amount of MgCl2.6H2O and AlCl3.6H2O are mixed and dissolved in 100 mL of deionized water, and the molar ratio n(Mg2+) to n(Al3+) is fixed at 3:1; a certain amount of NaOH and Na2CO3 are dispersed and mixed and dissolved in 50 mL of deionized water, and the n(OH-) to n(CO32-) is fixed at 2.25:1, then the two solutions are simultaneously added dropwise into the stirring tank 1 containing 100 ml of deionized water through the feeding hopper 3, and heated to 60 degrees through the heating plate one 14, and the stirring shaft one 13 is driven by the driving motor one 2 to stir vigorously under the constant temperature of 60 DEG C, and the PH detector 6 is used to keep the PH value at 10.0, after the feeding is completed, the stirring is continued under the constant temperature of 60 DEG C for 18h, so that the precipitate is generated, the precipitate is discharged into the filter cartridge 15 for filtration, after the discharge of the precipitate is completed, the upper liquid is discharged and collected through the discharge pipe 28, then the precipitate is washed repeatedly with deionized water through the washing pipe 5, and the PH value of the filtrate is detected by the PH detector 6, which is 7, then the filtrate is discharged through the liquid discharge pipe 7, the washed precipitate enters the grinding hopper one 17, the heating plate two 18 is used to heat the grinding hopper two 23, and then the washed filter cake is dried at 100 DEG C for 18h, then the grinding block one 16 is driven by the driving motor two 9 to grind it into powder, the obtained solid is a MgAl-LDH sample, the MgAl-LDH sample is injected into the mixing tank 19 according to a preset proportion through the powder pump 27 and potassium carbonate, deionized water is added into the mixing tank 19, and the stirring shaft two 20 is driven by the motor three 11 to stir vigorously for 30 min, then the solution after ultrasonic treatment for 30 min at room temperature through the ultrasonic generator 22 and the excitation plate 21 is injected into the grinding hopper two 23, and the heating plate is used to heat it to 100 DEG C for drying, after drying, the grinding block two 25 is driven by the motor four 24 to rotate, and the powder is ground, then the ground powder sample is injected into the muffle furnace 12 through the powder pump 27, and a potassium-modified composite metal oxide adsorbent is obtained after calcination at a certain activation temperature for 1h.
[0035] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A device for preparing a solid adsorbent for carbon dioxide, characterized by: The invention comprises a stirring tank (1), a washing tank (4) is provided below the stirring tank (1), a grinding tank (8) is provided below the washing tank (4), one side of the grinding tank (8) is connected to a grinding tank (10), one side of the grinding tank (10) is connected to a muffle furnace (12), a motor (2) is fixed at the middle of the upper end of the stirring tank (1), the output shaft of the motor (2) is connected to a stirring shaft (13), a heating plate (14) is installed on the inner wall of the stirring tank (1), a filter cartridge (15) is installed in the washing tank (4), a pH detector (6) is provided on one side of the upper end of the washing tank (4) and the stirring tank (1), a washing pipe (5) is installed on the connecting pipe between the stirring tank (1) and the washing tank (4), a discharge pipe (28) is installed above the washing pipe (5), a motor (2) is fixed at the middle of the upper end of the grinding tank (8), and a filter cartridge (15) is installed in the washing tank (4). 9), a grinding block 1 (16) is connected to the output shaft of the motor 2 (9), a grinding bucket 1 (17) is fixed in the grinding tank 1 (8), a heating plate 2 (18) is installed on the inner wall of the grinding bucket 1 (17), a motor 3 (11) is installed in the middle of the upper end of the grinding tank 2 (10), a mixing tank (19) is provided in the upper end of the grinding tank 2 (10), a stirring shaft 2 (20) is connected to the output shaft of the motor 3 (11), an excitation plate (21) is fixed in the middle of the bottom end of the mixing tank (19), an ultrasonic generator (22) is provided on one side of the excitation plate (21), a grinding bucket 2 (23) is connected to the lower part of the mixing tank (19), a motor 4 (24) is fixed on the upper end of the grinding bucket 2 (23), a grinding block 2 (25) is fixed on the output shaft of the motor 4 (24), and a heating plate 3 (26) is fixed on the inner wall of the grinding bucket 2 (23).
2. The device for preparing a solid adsorbent for carbon dioxide according to claim 1, characterized in that: The stirring tank (1), the washing tank (4), the grinding tank one (8), the grinding tank two (10) and the muffle furnace (12) are connected by pipelines, and a powder pump (27) is installed on the pipelines between the grinding tank one (8) and the grinding tank two (10) and between the grinding tank two (10) and the muffle furnace (12) by bolts. The mixing tank (19) and the grinding bucket two (23) are connected by pipelines, and electromagnetic valves are installed on the pipelines.
3. The device for preparing a solid carbon dioxide adsorbent according to claim 1, characterized in that: The output shaft of the motor 1 (2) is fixedly connected to the stirring shaft 1 (13), and the heating plate 1 (14) is fixed to the inner wall of the stirring tank (1) by screws.
4. The device for preparing a solid carbon dioxide adsorbent according to claim 1, characterized in that: The filter cartridge (15) is fixed in the washing tank (4), the washing pipe (5) is connected to the pipeline through a thread, a drain pipe (7) is reserved at the bottom end of a side wall of the washing tank (4), and electromagnetic valves are installed on the drain pipe (7) and the washing pipe (5), and the pH detector (6) is connected to the washing tank (4) and the stirring tank (1) through a thread.
5. The device for preparing a solid carbon dioxide adsorbent according to claim 4, characterized in that: The grinding bucket 1 (17) is welded in the grinding tank 1 (8), the output shaft of the motor 2 (9) is fixedly connected to the grinding block 1 (16), and the heating plate 2 (18) is fixed to the inner wall of the grinding bucket 1 (17) by screws.
6. The device for preparing a solid carbon dioxide adsorbent according to claim 5, characterized in that: The mixing tank (19) is welded to the upper end of the grinding tank (10), the output shaft of the motor (11) is fixedly connected to the stirring shaft (20), the excitation plate (21) and the ultrasonic generator (22) are connected to the mixing tank (19) by screws, and the excitation plate (21) is electrically connected to the ultrasonic generator (22).
7. The device for preparing a solid carbon dioxide adsorbent according to claim 6, characterized in that: The output shaft of the motor four (24) is fixedly connected to the grinding block two (25), and the heating plate three (26) is connected to the grinding bucket two (23) by screws.