CN115219381A - Device and method for detecting performance of carbon dioxide adsorbent for flue gas - Google Patents
Device and method for detecting performance of carbon dioxide adsorbent for flue gas Download PDFInfo
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Abstract
The invention discloses a device and a method for detecting the performance of a flue gas carbon dioxide adsorbent, wherein the detection device comprises a flue gas simulation control unit, an adsorption reaction unit and a carbon dioxide analyzer; the flue gas simulation control unit comprises a simulation gas supply device, a simulation gas flow controller, a water vapor generator and a flue gas mixer; the simulated gas supply device, the simulated gas flow controller and the flue gas mixer are sequentially connected through a simulated gas pipeline, and the flue gas mixer and the water vapor generator are connected with the adsorption reaction unit; the adsorption reaction unit comprises a temperature controller and an adsorption reactor, wherein the adsorption reactor is filled with a carbon dioxide adsorbent, and is provided with a heating element which is connected with the temperature controller; the carbon dioxide analyzer is connected with the outlet of the adsorption reactor. The detection device can simulate the carbon dioxide adsorption process in the flue gas and realize accurate detection of the performance of the flue gas carbon dioxide adsorbent.
Description
Technical Field
The invention relates to the technical field of adsorbent performance evaluation, in particular to a device and a method for detecting performance of a carbon dioxide adsorbent for flue gas.
Background
Carbon dioxide (CO) 2 ) The large amount of emission causes global climate warming and ecological deterioration, the emission of greenhouse gases is regulated and controlled by means of policies, technologies and the like, and the control of the temperature warming range is concerned by governments and people of various countries. According to the long-term monitoring results of researchers, the content of carbon dioxide in the atmosphere reaches more than 410ppm in the early 2020, and large-scale emission sources such as power plants, cement production plants, steel plants, oil and gas processing plants and other artificial source emissions contribute a large proportion, so that the consensus on capturing, utilizing and storing the carbon dioxide in the smoke of the fixed source is gradually achieved. Various carbon capture demonstration projects are deployed around the world.
China has formally started the carbon market in 2021, 7 and 16, and is brought into 2162 household electrical appliances enterprises for the first time. Petrochemical, and,The method can be used for the industrial production of cement, steel, color, paper and aviation, and can be continuously incorporated into a transaction system. The eight major industries mentioned above have been developing carbon emission data accounting for many years. China's CCUS annual report (2021) is estimated to be 2025 years, and CO is generated in coal and electricity industry 2 The discharge reduction amount reaches 600 million tons/year, and reaches the peak value in 2040 years, namely 2-5 hundred million tons/year. It is expected that coal fired power plants will still operate at about 9 hundred million kilowatts by the year 2050, and the carbon capture space for the electric utility alone will be enormous. CO 2 2 Deployment of the capture project facilitates avoiding a portion of the coal electric assets from being decommissioned in advance. Demonstration of carbon capture engineering, the carbon capture technology is moving from the laboratory to engineering practice.
The capture of carbon dioxide by solid adsorption (including air carbon capture) is a dry process and has rapidly developed its unique technical advantages and has entered the demonstration stage. It uses the reversible adsorption of solid adsorbent to carbon dioxide in flue gas to capture and separate CO 2 Adsorption is generally accomplished at low temperature, normal pressure or high pressure. CO is resolved after temperature rise or pressure reduction 2 The solid adsorbent is regenerated. Carbon dioxide adsorbents are an important component of this technology. The adsorbent used in the present invention is a porous material such as activated carbon, zeolite molecular sieve, metal oxide, solid amine, or organic metal framework compound. The method has the advantages that the key performance indexes of the formed adsorbent product are scientifically evaluated, and the method has great significance for application and research and development.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a device and a method for detecting the performance of a flue gas carbon dioxide adsorbent; the detection device can simulate the carbon dioxide adsorption process in the flue gas, and can accurately detect the performance of the flue gas carbon dioxide adsorbent, and accurately evaluate the performance index of the carbon dioxide adsorbent in actual production.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a performance detection device for a flue gas carbon dioxide adsorbent comprises a flue gas simulation control unit, an adsorption reaction unit and a carbon dioxide analyzer;
the flue gas simulation control unit comprises a simulation gas supply device, a simulation gas flow controller, a water vapor generator and a flue gas mixer; the simulated gas supply device, the simulated gas flow controller and the flue gas mixer are sequentially connected through a simulated gas pipeline, and the flue gas mixer and the water vapor generator are connected with the adsorption reaction unit through an air inlet pipeline;
the adsorption reaction unit comprises a temperature controller and an adsorption reactor, wherein a carbon dioxide adsorbent is filled in the adsorption reactor, a heating element is arranged on the adsorption reactor, and the heating element is connected with the temperature controller;
the carbon dioxide analyzer is connected with the outlet of the adsorption reactor.
Furthermore, the detection device also comprises a nitrogen replacement unit, wherein the nitrogen replacement unit comprises a nitrogen supply device and a nitrogen flow controller, and the nitrogen supply device, the nitrogen flow controller and the flue gas mixer are sequentially connected through a nitrogen replacement pipeline.
Further, the adsorption reaction unit comprises at least two adsorption reactors, and the two adsorption reactors are connected through a parallel pipeline and/or a series pipeline.
Furthermore, a flue gas cooler and a dryer are connected between the adsorption reactor and the carbon dioxide analyzer through a simulated flue gas outlet pipeline.
Furthermore, the detection device also comprises a buffer tank and a vacuum pump which are connected through a vacuum suction regeneration pipeline, and the buffer tank is connected with an outlet of the adsorption reactor; the vacuum suction regeneration pipeline is connected with the simulated smoke outlet pipeline in parallel.
Furthermore, the detection device also comprises a tail gas purification and absorption device, and the tail gas purification and absorption device is connected with the outlet of the vacuum pump and the simulated smoke outlet pipeline through a tail gas purification pipeline.
Furthermore, the nitrogen replacement pipeline and the simulation gas pipeline are both provided with shut-off valves.
Further, the tail gas purification pipeline is connected with the simulated flue gas outlet pipeline through a three-way valve; the simulated flue gas outlet pipeline is provided with control valves at the position close to the outlet of the adsorption reactor and on the vacuum suction regeneration pipeline.
The invention further provides a detection method of the device for detecting the performance of the flue gas carbon dioxide adsorbent, which comprises the following steps:
(1) Designing smoke components and smoke flux of the simulated smoke, providing a simulated gas supply device containing nitrogen and carbon dioxide and a water vapor generating device according to the designed simulated smoke,
(2) The nitrogen and the carbon dioxide enter a flue gas mixer for preheating, the water vapor and the preheated nitrogen and carbon dioxide enter an adsorption reactor through an air inlet pipeline, a temperature controller controls a heating element to heat the simulated flue gas in the adsorption reactor to a reaction temperature, and a carbon dioxide adsorbent performs adsorption reaction on the carbon dioxide;
(3) Outputting the simulated flue gas after the adsorption reaction from an outlet of the adsorption reactor, allowing the simulated flue gas to enter a carbon dioxide analyzer, determining the concentration of carbon dioxide in the simulated flue gas after the adsorption reaction by using the carbon dioxide analyzer, and stopping detection until the concentration of carbon dioxide in the simulated flue gas after the adsorption reaction is close to or equal to the initial concentration of carbon dioxide; calculating the adsorption capacity of the carbon dioxide adsorbent according to an adsorption capacity formula; the formula of the adsorption capacity is shown as the formula (1):
in formula (1):
q 0 : initial adsorption capacity q 0 ，mmol/g；
M: mass of adsorbent, g;
Q in : inlet flue gas total flow, ml/min;
C in : the volume fraction of carbon dioxide in the inlet flue gas is percent;
c: volume fraction,%, of carbon dioxide in the outlet flue gas;
t: time consumed when adsorption reached saturation, min;
T 0 ：273K；
t: adsorption operating condition temperature (adsorption reaction temperature), K;
V m ：22.4L/mol。
further, after the carbon dioxide adsorbent can be subjected to temperature-changing regeneration or vacuumizing pressure-changing regeneration by using a temperature controller or a vacuum pump in the detection device, performing the steps (2) and (3), repeating the steps for n times, calculating the adsorption capacity of the carbon dioxide adsorbent after the carbon dioxide adsorbent is regenerated for n times, and calculating the cyclic attenuation rate of the carbon dioxide adsorbent after the carbon dioxide adsorbent is cyclically regenerated for n times according to an adsorbent cyclic attenuation rate formula; the formula of the cyclic attenuation rate of the adsorbent is shown as the formula (2):
W(％)＝(q n -q 0 )/q 0 ×100 (2)
in formula (2):
w-decay Rate,%, for n cycles;
q 0 -initial adsorption capacity q 0 ，mmol/g；
q n -regenerating the adsorption capacity q n times in cycles n ，mmol/g。
The invention has the beneficial effects that:
the detection device can simulate the carbon dioxide adsorption reaction process in the flue gas, and can accurately detect the performance of the flue gas carbon dioxide adsorbent, so that the performance index of the carbon dioxide adsorbent in actual production can be accurately evaluated.
The detection device also has the functions of on-line temperature-changing regeneration and vacuumizing regeneration, so that the attenuation rate of the adsorbent can be measured on line after a plurality of regeneration cycles, the adsorbent does not need to be taken out of the adsorption reactor for regeneration treatment, the test time is saved, and the detection efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of a device for detecting the performance of a flue gas carbon dioxide adsorbent according to the present invention.
FIG. 2 is a schematic diagram of the structure of a catalyst cage in an adsorption reactor according to the present invention.
FIG. 3 is a schematic end view of a catalyst cage in an adsorption reactor according to the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the present invention more comprehensible to those skilled in the art, and will thus provide a clear and concise definition of the scope of the present invention.
FIG. 1 shows a preferred embodiment of a flue gas carbon dioxide sorbent performance detection apparatus; the detection device comprises a flue gas simulation control unit, an adsorption reaction unit and a carbon dioxide analyzer.
The flue gas simulation control unit comprises a simulation gas supply device 1, a simulation gas flow controller 2, a water vapor generator 3 and a flue gas mixer 4; the simulation gas supply device 1, the simulation gas flow controller 2 and the flue gas mixer 4 are sequentially connected through a simulation gas pipeline 5, and the flue gas mixer 4 and the water vapor generator 3 are connected with the adsorption reaction unit through an air inlet pipeline 6.
In the embodiment, the simulated gas supply device is a supply bottle storing carbon dioxide and nitrogen; CO 2 2 The content (volume percentage) is 12-20%. The regulating range of the simulated gas flow controller is 0-20 m 3 /h。
The flue gas mixer 4 has the functions of mixing flue gas, heating flue gas and preserving heat; specifically, the flue gas mixer 4 is provided with a heat preservation layer, a heating element and a flow guide piece are arranged in the flue gas mixer, the flow guide piece mixes and stabilizes the flue gas, and the heating element preheats the flue gas.
The detection device further comprises a nitrogen replacement unit, the nitrogen replacement unit comprises a nitrogen supply device 7 and a nitrogen flow controller 8, and the nitrogen supply device 7, the nitrogen flow controller 8 and the flue gas mixer 4 are sequentially connected through a nitrogen replacement pipeline 9. In the present embodiment, the nitrogen gas supply device 7 is a nitrogen gas supply bottle storing nitrogen gas.
Wherein, the nitrogen replacement pipeline 9 and the simulation gas pipeline 5 are both provided with a stop valve to control the start and stop of the two pipelines through the switching of the stop valve.
The adsorption reaction unit comprises a temperature controller 10 and an adsorption reactor 11, wherein the adsorption reactor 11 is filled with a carbon dioxide adsorbent, and a heating element is arranged on the adsorption reactor 11 and connected with the temperature controller 10.
Specifically, the inner cavity of the adsorption reactor 11 is a rectangular parallelepiped cavity with a square cross section, and the length is 1m; a catalyst cage filled with a carbon dioxide adsorbent is placed in the adsorption reactor cavity; as shown in fig. 2 and fig. 3, the agent cage is also a cuboid and is closely attached to and adsorbed on the inner wall of the adsorption reactor cavity; the different lengths of the agent cage determine the loading of the adsorbent; the agent cage is made of a stainless steel net with meshes; in actual work, agent cages with different meshes are selected according to different particle sizes or specifications of the carbon dioxide adsorbent. The adsorption reactor can meet the requirement of 200-40000 h -1 Space velocity range testing is required. In this embodiment, the carbon dioxide adsorbent is a solid amine adsorbent.
The adsorption reaction unit comprises at least two adsorption reactors 11, and the two adsorption reactors 11 are connected through a parallel pipeline and/or a serial pipeline. As shown in fig. 1, in the present embodiment, the adsorption reaction unit includes two adsorption reactors 11, the two adsorption reactors 11 are connected by a parallel pipeline 12 and a series pipeline 13, and both the parallel pipeline 12 and the series pipeline 13 are provided with a cut-off valve, so that the cut-off valve is switched to realize parallel or series operation of the two adsorption reactors.
The temperature of the adsorption reactor 11 is controlled by a temperature controller 10, and the temperature control range is 20-300 ℃; a plurality of groups of heating elements are respectively arranged along the length direction of the adsorption reactor 11, and each group of heating elements can be respectively connected with a temperature controller, so that the temperature can be controlled in a segmented manner, and the requirements of adsorption temperature control and regeneration temperature control are met; the length direction of the inner cavity of the adsorption reactor can be provided with 3-6 temperature monitoring points.
The outlet of the adsorption reactor 11 is connected with a flue gas cooler 15 through a simulated flue gas outlet pipeline 14, the flue gas cooler 15 is connected with a dryer 16, and the outlet of the dryer 16 is connected with a carbon dioxide analyzer 17. The flue gas cooler 15 is to prevent the flue gas temperature from being high and thus to prevent damage to the carbon dioxide analyzer 17. The dryer 16 mayAnd (3) allochroic silica gel is adopted to prevent the moisture content in the simulated flue gas from being too high, so that the carbon dioxide analyzer is prevented from being corroded. The carbon dioxide analyzer 17 may be for detecting CO by infrared principle or chromatography 2 The analytical instrument of (1).
The outlet of the adsorption reactor 11, the buffer tank 18 and the vacuum pump 19 are connected in sequence through a vacuum suction regeneration pipeline 20. The buffer tank 18 is provided to facilitate monitoring of the negative pressure of the system and maintenance of a stable negative pressure condition, and to avoid an influence on the operation stability of the vacuum pump and the like.
The vacuum suction regeneration line 20 is arranged in parallel with a portion (front portion) of the simulated flue gas outlet line 14.
The detection device also comprises a tail gas purification and absorption device 21, and the tail gas purification and absorption device 21 is connected with the outlet of the vacuum pump 19 and the simulated smoke outlet pipeline 14 through a tail gas purification pipeline 22. More specifically, the tail gas purification pipeline 22 is connected with the simulated flue gas outlet pipeline 14 through a three-way valve 23.
The simulated flue gas outlet line 14 is provided with control valves near the outlet of the adsorption reactor and on the vacuum suction regeneration line 20. Therefore, the start and stop of the simulated flue gas outlet pipeline and the vacuum suction regeneration pipeline can be switched by controlling the control valve.
When the carbon dioxide adsorbent is regenerated, a temperature-changing desorption regeneration mode or a vacuum-pumping pressure-changing desorption regeneration mode can be adopted. Specifically, the temperature controller and the heating element on the adsorption reactor can be used for controlling the temperature of the adsorption reactor in the temperature-varying desorption regeneration mode, so that the carbon dioxide adsorbed by the adsorption reactor is desorbed, and the desorbed carbon dioxide enters the tail gas purification and absorption device through the simulated flue gas outlet pipeline, thereby realizing the regeneration of the carbon dioxide adsorbent; that is, the portion of the simulated flue gas outlet line near the adsorption reactor may be used as a temperature swing desorption line. The vacuum pumping pressure swing desorption regeneration mode is that a vacuum pump is used for pumping air, the interior of the adsorption reactor is changed into negative pressure, so that the adsorbed carbon dioxide is desorbed, and the desorbed carbon dioxide flows out of the adsorption reactor, enters a buffer tank, is discharged by the vacuum pump and is discharged into a tail gas purification and absorption device through a three-way valve.
The method for detecting the performance of the carbon dioxide adsorbent by using the device for detecting the performance of the flue gas carbon dioxide adsorbent comprises the following steps:
(1) Designing smoke components and smoke flow of simulated smoke, providing a simulated gas supply device 1 containing nitrogen and carbon dioxide and a water vapor generator 3 according to the designed simulated smoke, wherein the water vapor flow of the water vapor generator 3 is adjustable; connecting the simulated gas supply device and the water vapor generator into a detection system according to a pipeline connection diagram;
(2) Before detection, firstly opening a stop valve on a nitrogen replacement pipeline 9, adjusting a temperature controller 10, raising the temperature of an adsorption reactor 11 to 150 ℃ by using a heating element, preheating nitrogen in a nitrogen supply device 7 by a flue gas mixer 4 under the control of a nitrogen flow controller 8, and feeding the nitrogen into the adsorption reactor 11 to remove water vapor and carbon dioxide in the adsorption reactor 11, wherein the aging time is about 2 hours;
closing a cut-off valve on a nitrogen replacement pipeline 9, opening a cut-off valve on a simulated gas pipeline 5 and a water vapor generator 3, enabling nitrogen and carbon dioxide in a simulated gas supply device 1 to enter a flue gas mixer 4 to be preheated, mixed and stabilized under the flow control of a simulated gas flow controller 2, enabling water vapor and the preheated nitrogen and carbon dioxide to form simulated flue gas, enabling the simulated flue gas to enter an adsorption reactor 11 through an air inlet pipeline 6, controlling a heating element to heat the simulated flue gas in the adsorption reactor 11 to an adsorption reaction temperature by a temperature controller 10, and enabling a carbon dioxide adsorbent to perform an adsorption reaction on the carbon dioxide;
(3) Outputting the simulated flue gas after the adsorption reaction from an outlet of the adsorption reactor 11, cooling the simulated flue gas by a flue gas cooler 15 and drying the simulated flue gas by a dryer 16, and then feeding the simulated flue gas into a carbon dioxide analyzer 17, wherein the carbon dioxide analyzer 17 determines the concentration of carbon dioxide in the simulated flue gas after the adsorption reaction until the concentration of carbon dioxide in the simulated flue gas after the adsorption reaction is close to or equal to the initial concentration of carbon dioxide (a carbon dioxide adsorbent is saturated), and stopping detection; calculating the adsorption capacity of the carbon dioxide adsorbent according to an adsorption capacity formula; the formula of the adsorption capacity is shown as the formula (1):
in formula (1):
q 0 : initial adsorption capacity q 0 ，mmol/g；
M: mass of adsorbent, g;
Q in : inlet flue gas total flow, ml/min;
C in : the volume fraction of carbon dioxide in the inlet flue gas is percent;
c: volume fraction,%, of carbon dioxide in the outlet flue gas;
t: time consumed when adsorption reached saturation, min;
T 0 ：273K；
t: adsorption operating condition temperature (adsorption reaction temperature), K;
V m ：22.4L/mol。
(4) If the carbon dioxide adsorbent in the adsorption reactor is regenerated, a temperature swing desorption regeneration mode or a vacuum pressure swing desorption mode can be selected;
a variable-temperature desorption mode: closing a stop valve and the water vapor generator 3 on the simulated gas pipeline 5, opening a control valve on the simulated flue gas outlet pipeline 14, adjusting a three-way valve 23 to open a tail gas purification pipeline 22, controlling a heating element by using a temperature controller 10 to rapidly raise the temperature in the adsorption reactor 11 to 150 ℃, wherein the total temperature rise time is about 15min, desorbing carbon dioxide adsorbed by the adsorption reactor, allowing the desorbed carbon dioxide to flow out from an outlet of the adsorption reactor 11, and then sequentially allowing the carbon dioxide to enter a tail gas purification and absorption device 21 through the simulated flue gas outlet pipeline 14, the three-way valve 23 and the tail gas purification pipeline 22 so as to absorb the carbon dioxide.
A vacuum-pumping pressure-variable desorption mode: closing the stop valve and the water vapor generator 3 on the simulation gas pipeline 5, opening the control valve on the vacuum suction regeneration pipeline 20, starting the vacuum pump 19 to pump air for 30min, changing the pressure in the adsorption reactor 11 to-90 KPa, so that the adsorbed carbon dioxide is desorbed, and the desorbed carbon dioxide flows out from the outlet of the adsorption reactor 11, enters the buffer tank 18, is discharged by the vacuum pump 19, and then is discharged into the tail gas purification and absorption device 22 through the three-way valve 23.
In this embodiment, the solid amine adsorbent is subjected to 50 temperature swing regeneration cyclic adsorption reactions, and the cycle decay rate of the solid amine adsorbent is calculated according to the adsorbent cycle decay rate formula (2):
W(％)＝(q n -q 0 )/q 0 ×100 (2)
in formula (2):
w-decay Rate for n cycles,%;
q 0 -initial adsorption capacity q 0 ，mmol/g；
q n -cyclic regeneration of the adsorption capacity q n times n ，mmol/g。
It was calculated that the cycle decay rate after 50 cycles of regeneration of the solid amine adsorbent was 3% in this example.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a flue gas carbon dioxide adsorbent capability test device which characterized in that: comprises a flue gas simulation control unit, an adsorption reaction unit and a carbon dioxide analyzer;
the flue gas simulation control unit comprises a simulation gas supply device, a simulation gas flow controller, a water vapor generator and a flue gas mixer; the simulated gas supply device, the simulated gas flow controller and the flue gas mixer are sequentially connected through a simulated gas pipeline, and the flue gas mixer and the water vapor generator are connected with the adsorption reaction unit through an air inlet pipeline;
the adsorption reaction unit comprises a temperature controller and an adsorption reactor, wherein a carbon dioxide adsorbent is filled in the adsorption reactor, a heating element is arranged on the adsorption reactor, and the heating element is connected with the temperature controller;
the carbon dioxide analyzer is connected with the outlet of the adsorption reactor.
2. The apparatus for detecting the performance of the flue gas carbon dioxide adsorbent according to claim 1, wherein: still include nitrogen gas replacement unit, this nitrogen gas replacement unit includes nitrogen gas feed arrangement and nitrogen gas flow controller, and this nitrogen gas feed arrangement, nitrogen gas flow controller, flue gas blender pass through nitrogen gas replacement pipeline and connect gradually.
3. The apparatus for detecting the performance of the flue gas carbon dioxide adsorbent according to claim 1, wherein: the adsorption reaction unit comprises at least two adsorption reactors which are connected through a parallel pipeline and/or a series pipeline.
4. The device for detecting the performance of the flue gas carbon dioxide adsorbent according to claim 1, wherein: a flue gas cooler and a dryer are connected between the adsorption reactor and the carbon dioxide analyzer through a simulated flue gas outlet pipeline.
5. The device for detecting the performance of the flue gas carbon dioxide adsorbent according to claim 4, wherein: the adsorption reactor also comprises a buffer tank and a vacuum pump which are connected through a vacuum suction regeneration pipeline, wherein the buffer tank is connected with an outlet of the adsorption reactor; the vacuum suction regeneration pipeline is connected with the simulated smoke outlet pipeline in parallel.
6. The apparatus of claim 5, wherein the apparatus comprises: the device is characterized by further comprising a tail gas purification and absorption device, wherein the tail gas purification and absorption device is connected with an outlet of the vacuum pump and the simulated smoke outlet pipeline through a tail gas purification pipeline.
7. The apparatus of claim 2, wherein the apparatus comprises: and the nitrogen replacement pipeline and the simulation gas pipeline are respectively provided with a stop valve.
8. The device for detecting the performance of the flue gas carbon dioxide adsorbent according to claim 6, wherein: the tail gas purification pipeline is connected with the simulated flue gas outlet pipeline through a three-way valve; the simulated flue gas outlet pipeline is provided with control valves at the position close to the outlet of the adsorption reactor and on the vacuum suction regeneration pipeline.
9. The detection method of the performance detection device for the adsorbent of carbon dioxide for flue gas as recited in any one of claims 1 to 8, characterized by comprising the steps of:
(1) Designing smoke components and smoke flow of the simulated smoke, providing a simulated gas supply device containing nitrogen and carbon dioxide and a water vapor generating device according to the designed simulated smoke,
(2) The nitrogen and the carbon dioxide enter a flue gas mixer for preheating, the water vapor and the preheated nitrogen and carbon dioxide enter an adsorption reactor through an air inlet pipeline, a temperature controller controls a heating element to heat the simulated flue gas in the adsorption reactor to a reaction temperature, and a carbon dioxide adsorbent performs adsorption reaction on the carbon dioxide;
(3) Outputting the simulated flue gas after the adsorption reaction from an outlet of the adsorption reactor, allowing the simulated flue gas to enter a carbon dioxide analyzer, determining the concentration of carbon dioxide in the simulated flue gas after the adsorption reaction by using the carbon dioxide analyzer, and stopping detection until the concentration of carbon dioxide in the simulated flue gas after the adsorption reaction is close to or equal to the initial concentration of carbon dioxide; and calculating the adsorption capacity of the carbon dioxide adsorbent according to an adsorption capacity formula.
10. The method for detecting performance of a carbon dioxide adsorbent in flue gas according to claim 9, wherein steps (2) and (3) are performed after the carbon dioxide adsorbent is subjected to temperature swing regeneration or vacuum pressure swing regeneration, and the steps are repeated n times, so that the adsorption capacity of the carbon dioxide adsorbent after n times of regeneration is calculated, and the cycle decay rate of the carbon dioxide adsorbent after n times of cycle regeneration is calculated according to an adsorbent cycle decay rate formula.
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| CN202210712091.6A CN115219381A (en) | 2022-06-22 | 2022-06-22 | Device and method for detecting performance of carbon dioxide adsorbent for flue gas |
| PCT/CN2023/090324 WO2023246281A1 (en) | 2022-06-22 | 2023-04-24 | Flue gas carbon dioxide adsorbent performance detection apparatus and detection method |
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| CN202210712091.6A CN115219381A (en) | 2022-06-22 | 2022-06-22 | Device and method for detecting performance of carbon dioxide adsorbent for flue gas |
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| WO2023246281A1 (en) * | 2022-06-22 | 2023-12-28 | 苏州西热节能环保技术有限公司 | Flue gas carbon dioxide adsorbent performance detection apparatus and detection method |
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| CN118067579B (en) * | 2024-04-19 | 2024-06-21 | 北京理工大学 | In-situ detection system and method for simulating evolution of particle morphology of tail gas of fuel vehicle and cooperating with thermophysical properties |
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| KR100771230B1 (en) * | 2006-09-13 | 2007-10-29 | 한국에너지기술연구원 | Ceramic fiber supporter with carbon dioxide sorbent, reforming catalyst and manufacturing method thereof |
| CN202438245U (en) * | 2012-01-19 | 2012-09-19 | 中国矿业大学 | Device for separating carbon dioxide from coal-burning fume by pressure swing adsorption |
| CN111603889A (en) * | 2020-06-22 | 2020-09-01 | 中冶节能环保有限责任公司 | Small-size test system of adsorbent performance for purification of industrial flue gas pollutants |
| CN113813927B (en) * | 2021-10-21 | 2024-03-01 | 河北中煤旭阳能源有限公司 | Foam carbon-based solid amine adsorbent and preparation method and application thereof |
| CN114307534A (en) * | 2022-02-09 | 2022-04-12 | 西安热工研究院有限公司 | Experimental research system and method for directly capturing carbon dioxide by air |
| CN115219381A (en) * | 2022-06-22 | 2022-10-21 | 苏州西热节能环保技术有限公司 | Device and method for detecting performance of carbon dioxide adsorbent for flue gas |
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| WO2023246281A1 (en) * | 2022-06-22 | 2023-12-28 | 苏州西热节能环保技术有限公司 | Flue gas carbon dioxide adsorbent performance detection apparatus and detection method |
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