A multi-stage acceleration promoting gas-liquid-solid three-phase reaction experimental system and method

Abstract

The application discloses a kind of experimental system and method of multistage acceleration promotion gas-liquid-solid three-phase reaction, it is related to reaction equipment and carbon emission reduction related technical field.The experimental system includes: reaction kettle, is equipped with visual window and atomizing device installation slot;Floating piezoelectric ceramic atomizing device, is embedded in atomizing device installation slot;Gas injection device, including gas hole distribution pipe and the gas injection pump connected with gas hole distribution pipe;Gas hole distribution pipe is equipped with the micropore of uniform distribution;Magnetic stirring device, including magnetic drive base, speed controller and the magnetic stirring sub of being arranged in reaction kettle;Magnetic stirring sub is arranged above gas hole distribution pipe;Support net, is arranged in the side of magnetic stirring sub away from gas hole distribution pipe;Temperature control device, including constant-temperature bath and the temperature controller for controlling constant-temperature bath temperature.The experimental system structure design is compact, modularization, easy to operate, can efficiently accelerate gas-liquid-solid three-phase reaction, applicable to a variety of experimental research.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of reaction equipment and carbon emission reduction, and particularly relates to an experimental system and method for promoting gas-liquid-solid three-phase reaction in multiple stages. BACKGROUND

[0002] Carbon dioxide sequestration technology is one of the important means to address climate change. By injecting carbon dioxide into the stratum and reacting with rock minerals to convert it into stable carbonate minerals, long-term and safe sequestration of carbon dioxide is achieved. Laboratory research is often used to simulate the geological sequestration process to optimize reaction conditions and improve reaction efficiency. However, most of the existing reaction devices rely on complex mechanical stirring to promote gas-liquid contact and reaction, which is cumbersome to operate and has high energy consumption. In addition, these devices usually require complex control systems and high maintenance costs, and lack simple and efficient solutions when dealing with multiphase gas-liquid-solid reactions, making it difficult to meet different experimental needs.

[0003] Therefore, the prior art still needs to be improved and developed. SUMMARY

[0004] In view of the deficiencies of the prior art described above, the purpose of the present application is to provide an experimental system and method for promoting gas-liquid-solid three-phase reaction in multiple stages, aiming to solve the problems of complex operation and low reaction efficiency of existing experimental systems for gas-liquid-solid three-phase reaction.

[0005] The technical solution of the present application is as follows:

[0006] An experimental system for promoting gas-liquid-solid three-phase reaction in multiple stages, comprising:

[0007] A reaction kettle, the side wall is provided with a viewing window, and the inner side wall is provided with a misting device mounting slot;

[0008] A floating piezoelectric ceramic misting device, comprising: a piezoelectric ceramic misting sheet and a float for floating the piezoelectric ceramic misting sheet; the floating piezoelectric ceramic misting device is embedded in the misting device mounting slot and can move freely in the vertical direction along with the change of the liquid level in the reaction kettle;

[0009] A gas injection device, comprising: a gas hole distribution pipe arranged at the bottom of the reaction kettle and a gas injection pump connected to the gas hole distribution pipe through a pipeline; the gas hole distribution pipe is provided with uniformly distributed micropores;

[0010] A magnetic stirring device, comprising: a magnetic drive base arranged below the bottom of the reaction kettle outside, a speed controller for controlling the external magnetic field strength of the magnetic drive base, and a magnetic stirring sub arranged inside the reaction kettle; the magnetic stirring sub is arranged above the gas hole distribution pipe;

[0011] A support net is arranged on the side of the magnetic stirrer away from the air hole distribution pipe.

[0012] The temperature control device comprises a constant temperature bath and a temperature controller for controlling the temperature of the constant temperature bath.

[0013] The multi-stage accelerated experimental system for promoting gas-liquid-solid three-phase reaction further comprises a data monitoring device for online monitoring of the temperature and pressure of the gas-liquid-solid three-phase reaction in the reaction kettle.

[0014] The data monitoring device comprises a temperature sensor, a pressure sensor and a monitoring terminal. The temperature sensor and the pressure sensor are used for online collection of the temperature and pressure data of the gas-liquid-solid three-phase reaction in the reaction kettle. The monitoring terminal is used for real-time reception of the data collected by the temperature sensor and the pressure sensor, and feedback adjustment of the temperature controller and the gas injection pump to control the temperature and pressure of the gas-liquid-solid three-phase reaction in the reaction kettle.

[0015] The multi-stage accelerated experimental system for promoting gas-liquid-solid three-phase reaction further comprises a gas inlet arranged at the bottom of the reaction kettle, and the gas inlet is connected with the gas inlet end of the air hole distribution pipe.

[0016] The multi-stage accelerated experimental system for promoting gas-liquid-solid three-phase reaction further comprises a gas outlet, a temperature sensor interface and a pressure sensor interface arranged at the top of the reaction kettle. The temperature sensor interface is used for connection with the temperature sensor, and the pressure sensor interface is used for connection with the pressure sensor.

[0017] The multi-stage accelerated experimental system for promoting gas-liquid-solid three-phase reaction further comprises that the pore diameter of the micropores on the air hole distribution pipe is 0.1-0.5 mm.

[0018] The multi-stage accelerated experimental system for promoting gas-liquid-solid three-phase reaction further comprises that the gas inlet end of the gas injection pump is connected with a gas cylinder for providing reaction gas.

[0019] The pipeline connecting the air hole distribution pipe with the gas injection pump is provided with a first gas injection valve, and the pipeline connecting the gas injection pump with the gas cylinder is provided with a second gas injection valve.

[0020] A multi-stage accelerated method for promoting gas-liquid-solid three-phase reaction adopts the multi-stage accelerated experimental system for promoting gas-liquid-solid three-phase reaction as described above, and comprises the following steps:

[0021] A reaction liquid is added into the reaction kettle, and the liquid level of the reaction liquid is controlled to be higher than the lowest part of the installation groove of the atomization device.

[0022] The magnetic stirrer and the support net are sequentially arranged in the reaction kettle, and the reaction solid is arranged on the support net.

[0023] Seal the reaction kettle, place the reaction kettle and magnetic drive base in the constant temperature bath, and start the temperature control device to preheat;

[0024] Control the floating piezoelectric ceramic atomization device to work;

[0025] Start the gas injection device, and inject the reaction gas into the reaction kettle through the gas injection pump;

[0026] Start the magnetic stirring device, and drive the magnetic stirring rod to rotate through the external magnetic field generated by the magnetic drive base.

[0027] The method for promoting gas-liquid-solid three-phase reaction by multi-stage acceleration, wherein the reaction solid comprises rock, the reaction liquid comprises water, and the reaction gas comprises carbon dioxide.

[0028] Beneficial effects: the present application provides a multi-stage accelerated experimental system for promoting gas-liquid-solid three-phase reaction, which comprises a reaction kettle, a floating piezoelectric ceramic atomization device, a gas injection device, a magnetic stirring device, a support net and a temperature control device. The reaction kettle is used for gas-liquid-solid three-phase reaction; the floating piezoelectric ceramic atomization device generates high-frequency mechanical vibration through the control circuit, atomizes the reaction liquid to form fine droplets, breaks the liquid film boundary layer, increases the gas-liquid contact interface, and realizes one-stage acceleration; the gas injection device injects the reaction gas into the reaction kettle through the gas injection pump, discharges the gas from the micropores on the gas hole distribution pipe to form a planar distribution of bubbles, increases the gas-liquid contact interface, and realizes two-stage acceleration; the magnetic stirring device generates an external magnetic field through the magnetic drive base to drive the magnetic stirring rod to rotate, realizes the circulation of the reaction liquid, and realizes three-stage acceleration; the support net prevents the magnetic stirring rod from colliding with the reaction solid, so as to ensure the uniform distribution of the reaction solid; and the temperature control device controls the temperature of the liquid in the constant temperature bath to control the temperature of the gas-liquid-solid three-phase reaction in the reaction kettle. The experimental system has compact structure, modularization, simple operation, easy installation and adjustment, can efficiently accelerate the gas-liquid-solid three-phase reaction, and is suitable for various experimental researches. Compared with the traditional scheme, the present application provides a more efficient and flexible experimental system, and solves the problems of slow reaction rate and complex operation in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0029] Fig. 1 is a schematic diagram of the multi-stage accelerated experimental system for promoting gas-liquid-solid three-phase reaction of the present application.

[0030] Fig. 2 is a schematic diagram of the reaction kettle and its internal structure of the present application.

[0031] Fig. 3 is a sectional view of the reaction kettle and its internal structure of the present application.

[0032] Explanation of reference signs: reaction kettle 1, visual window 101, atomization device mounting groove 102, gas inlet 103, gas outlet 104, clamp 105, floating piezoelectric ceramic atomization device 2, piezoelectric ceramic atomization sheet 201, float 202, air hole distribution pipe 3, gas injection pump 4, magnetic drive base 5, rotating speed controller 6, magnetic stirring rod 7, support net 8, constant temperature bath 9, temperature controller 10, temperature sensor 11, pressure sensor 12, monitoring terminal 13, gas cylinder 14, first gas injection valve 15, second gas injection valve 16. DETAILED DESCRIPTION

[0033] The present application provides a multi-stage accelerated experimental system and method for promoting gas-liquid-solid three-phase reaction. In order to make the purpose, technical scheme and effect of the present application more clear and explicit, the present application is further described in detail below. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0034] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as generally understood by those skilled in the art to which the present application belongs. It should also be understood that terms such as those defined in general dictionaries should be understood as having meanings consistent with those in the prior art, and should not be interpreted in an idealized or overly formal sense unless specifically defined as such.

[0035] As shown in Figs. 1 to 3 The present application provides a multi-stage accelerated experimental system for promoting gas-liquid-solid three-phase reaction, comprising:

[0036] The reaction kettle 1 is provided with a visual window 101 on the side wall, and an atomization device mounting groove 102 is arranged on the inner side wall;

[0037] The floating piezoelectric ceramic atomization device 2 comprises a piezoelectric ceramic atomization sheet 201 and a float 202 for floating the piezoelectric ceramic atomization sheet 201; the floating piezoelectric ceramic atomization device 2 is embedded in the atomization device mounting groove 102 and can move freely in the vertical direction along with the change of liquid level in the reaction kettle 1;

[0038] The gas injection device comprises an air hole distribution pipe 3 arranged at the bottom of the reaction kettle 1 and a gas injection pump 4 connected to the air hole distribution pipe 3 through a pipeline; the air hole distribution pipe 3 is provided with uniformly distributed micropores;

[0039] The magnetic stirring device comprises a magnetic drive base 5 arranged below the bottom of the reactor 1, a rotating speed controller 6 for controlling the external magnetic field intensity of the magnetic drive base 5, and a magnetic stirring rod 7 arranged inside the reactor 1; the magnetic stirring rod 7 is arranged above the air hole distribution pipe 3.

[0040] A support net 8 is arranged on the side of the magnetic stirring rod 7 away from the air hole distribution pipe 3.

[0041] The temperature control device comprises a constant temperature bath 9 and a temperature controller 10 for controlling the temperature of the constant temperature bath 9.

[0042] In the embodiment, the experimental system for promoting the gas-liquid-solid three-phase reaction by multi-stage acceleration comprises a reactor, a floating piezoelectric ceramic atomization device, a gas injection device, a magnetic stirring device, a support net and a temperature control device. The reactor is used for the gas-liquid-solid three-phase reaction. The floating piezoelectric ceramic atomization device generates high-frequency mechanical vibration through a control circuit, atomizes the reaction liquid to form fine droplets, breaks the liquid film boundary layer, increases the gas-liquid contact in the gas phase region of the upper part of the reactor, and realizes the first-stage acceleration. The gas injection device injects reaction gas into the reactor through the gas injection pump, discharges the reaction gas from the micro-holes on the air hole distribution pipe, forms a planar distribution of bubbles, increases the gas-liquid contact in the liquid phase region of the lower part of the reactor, and realizes the second-stage acceleration. The magnetic stirring device generates an external magnetic field through the magnetic drive base to drive the magnetic stirring rod to rotate, controls the circulation flow of the reaction liquid, and realizes the third-stage acceleration. The support net prevents the collision between the magnetic stirring rod and the reaction solid, and ensures the uniform distribution of the reaction solid. The temperature control device controls the temperature of the liquid in the constant temperature bath to control the temperature of the gas-liquid-solid three-phase reaction in the reactor. The experimental system has compact structure, modularization, simple operation, easy installation and adjustment, can efficiently accelerate the gas-liquid-solid three-phase reaction, and is suitable for various experimental researches, such as the reaction of block solid and carbon dioxide in liquid phase.

[0043] Specifically, the reactor comprises a visual window and an atomization device mounting groove; the visual window is used for directly observing the gas-liquid-solid three-phase reaction in the reactor to adjust the experimental conditions in real time; the reactor is made of high-temperature-resistant and corrosion-resistant metal material, and has good sealing property and stability.

[0044] The floating piezoelectric ceramic atomization device comprises a piezoelectric ceramic atomization sheet and a float. The piezoelectric ceramic atomization sheet can be a conventional commercially available product, and the water inlet end thereof is located below the liquid level in the reaction kettle for atomizing the reaction liquid to form fine droplets. The float is made of light material (such as foam) with a density lower than that of the reaction liquid, which is used to balance the gravity and buoyancy of the floating piezoelectric ceramic atomization device to achieve floating, and ensure that the water inlet end of the piezoelectric ceramic atomization sheet is always in contact with the water surface, thereby enabling stable atomization. Further, the control switch of the piezoelectric ceramic atomization sheet can be a water-sensitive switch (water-activated).

[0045] The gas injection device comprises a gas hole distribution pipe and a gas injection pump. The gas injection pump is used to inject reaction gas and control the internal pressure of the reaction kettle. The gas hole distribution pipe is used to form a planar distribution of gas bubbles at the bottom surface of the reaction kettle to increase the gas-liquid interface.

[0046] The magnetic stirring device comprises a magnetic drive base, a speed controller and a magnetic stirring sub. The magnetic drive base is a waterproof device, which is arranged below the outer bottom of the reaction kettle and generates an external magnetic field under the control of the speed controller. The magnetic stirring sub is arranged in the reaction kettle and stirs the reaction liquid under the drive of the external magnetic field to achieve a circulating flow, thereby promoting the sufficient contact of gas, liquid and solid.

[0047] The support net is used to place reaction solids and is arranged on the side of the magnetic stirring sub away from the gas hole distribution pipe. The magnetic stirring sub and the reaction solids are separated by a space sufficient for the movement of the magnetic stirring sub, which ensures the stability and uniform distribution of the reaction solids.

[0048] The temperature control device comprises a constant temperature bath and a temperature controller. The temperature of the liquid in the constant temperature bath is controlled by the temperature controller, thereby controlling the temperature in the reaction kettle arranged in the constant temperature bath. The temperature in the reaction kettle ranges from 0 to 120°C.

[0049] In some embodiments, the multi-stage acceleration experimental system for promoting gas-liquid-solid three-phase reaction further comprises a data monitoring device for online monitoring the temperature and pressure of the gas-liquid-solid three-phase reaction in the reaction kettle. Specifically, the temperature and pressure conditions in the reaction kettle are monitored in real time by the data monitoring device, which can ensure that the reaction is carried out in the best state.

[0050] In some more specific embodiments, the data monitoring device comprises a temperature sensor 11, a pressure sensor 12 and a monitoring terminal 13; the temperature sensor 11 and the pressure sensor 12 are used to collect the temperature and pressure data of the gas-liquid-solid three-phase reaction in the reactor 1 online; the monitoring terminal 13 is used to receive the data collected by the temperature sensor 11 and the pressure sensor 12 in real time, and feedback to adjust the temperature controller 10 and the gas injection pump 4 to control the temperature and pressure of the gas-liquid-solid three-phase reaction in the reactor 1. Specifically, the monitoring terminal and the temperature sensor, the pressure sensor, the temperature controller, and the gas injection pump are electrically connected. After the temperature sensor and the pressure sensor collect the temperature and pressure data of the gas-liquid-solid three-phase reaction in the reactor online, the data are transmitted to the monitoring terminal. After the temperature and pressure are monitored to deviate from the predetermined value, the temperature controller and the gas injection pump are adjusted by the monitoring terminal to control the temperature in the reactor and the injection amount of the reaction gas, so as to realize the accurate regulation of the reaction conditions and adapt to different experimental requirements.

[0051] In some embodiments, the reactor 1 further comprises a gas inlet 103 arranged at the bottom; the gas inlet is connected with the gas inlet end of the gas hole distribution pipe 3.

[0052] In some embodiments, the reactor 1 further comprises a gas outlet 104, a temperature sensor interface and a pressure sensor interface arranged at the top; the temperature sensor interface is used to connect with the temperature sensor 11, and the pressure sensor interface is used to connect with the pressure sensor 12.

[0053] In some embodiments, the reactor 1 further comprises a clamp 105 for fixing the reactor body and the reactor cover.

[0054] In some embodiments, the pore diameter of the micropores on the gas hole distribution pipe 3 is 0.1-0.5 mm.

[0055] In some embodiments, the gas inlet end of the gas injection pump 4 is connected with a gas cylinder 14 for providing reaction gas.

[0056] In some more specific embodiments, a first gas injection valve 15 is arranged on the pipeline connecting the gas hole distribution pipe 3 and the gas injection pump 4; a second gas injection valve 16 is arranged on the pipeline connecting the gas injection pump 4 and the gas cylinder 14.

[0057] Based on the experimental system for promoting the gas-liquid-solid three-phase reaction by multi-stage acceleration as described above, the present embodiment further provides a method for promoting the gas-liquid-solid three-phase reaction by multi-stage acceleration, comprising the steps of:

[0058] adding reaction liquid into the reactor, and controlling the liquid level of the reaction liquid to be higher than the lowest part of the installation groove of the atomization device;

[0059] Put the magnetic stirrer, support net in the reactor in turn, put the reaction solid on the support net;

[0060] Seal the reactor, put the reactor and magnetic drive base in the constant temperature bath, start the temperature control device to preheat;

[0061] Control the floating piezoelectric ceramic atomization device to work;

[0062] Start the gas injection device, inject the reaction gas into the reactor through the gas injection pump;

[0063] Start the magnetic stirring device, and drive the magnetic stirrer to rotate through the external magnetic field generated by the magnetic drive base.

[0064] In this embodiment, the floating piezoelectric ceramic atomization device is used to atomize the reaction liquid to form fine droplets and break the liquid film boundary layer to increase the gas-liquid contact interface; the gas injection device is used to form a planar distribution of bubbles to increase the gas-liquid contact interface; the magnetic stirring device is used to realize the circulation flow of the reaction liquid, thereby realizing the multi-stage acceleration of the gas-liquid-solid three-phase reaction.

[0065] In some embodiments, the method for promoting the gas-liquid-solid three-phase reaction by multi-stage acceleration further comprises real-time monitoring and feedback adjustment. Specifically, according to the temperature and pressure data of the gas-liquid-solid three-phase reaction collected online by the data monitoring device, the temperature, pressure and injection amount of the reaction gas are adjusted; wherein the real-time data is displayed on the display interface of the monitoring terminal and supports data storage and analysis.

[0066] In some embodiments, the reaction liquid is controlled to immerse the reaction solid, but not limited thereto.

[0067] In some embodiments, the reaction solid includes rock, the reaction liquid includes water, and the reaction gas includes carbon dioxide, but not limited thereto.

[0068] In a specific embodiment, based on the experimental system for promoting the gas-liquid-solid three-phase reaction by multi-stage acceleration as described above, this embodiment provides a method for promoting the gas-liquid-solid three-phase reaction by multi-stage acceleration, which is used for carbon dioxide mineralization sequestration reaction, comprising the steps of:

[0069] Add pure water or additive-containing solution in the reactor, and control the liquid level of the reaction pure water or additive-containing solution to be higher than the lowest part of the atomization device installation groove;

[0070] Put the magnetic stirrer in the reactor, put the support net in the air above the magnetic stirrer, put the blocky rock on the support net, and control the pure water or additive-containing solution to immerse the blocky rock;

[0071] Seal the reactor, place the reactor and magnetic drive base in the constant temperature bath, start the temperature control device to preheat;

[0072] Control the operation of the floating piezoelectric ceramic atomization device;

[0073] Start the gas injection device, inject gas into the reactor through the gas injection pump;

[0074] Start the magnetic stirring device, and the external magnetic field generated by the magnetic drive base drives the magnetic stirring rod to rotate;

[0075] Start the data monitoring device to monitor the temperature and pressure of the carbon dioxide mineralization and storage reaction in the reactor online, and adjust the temperature, pressure and gas injection amount as needed;

[0076] After the reaction is completed, release the remaining gas through the exhaust port of the reactor, cool it down, and then open the reactor to take samples;

[0077] Analyze the solid product for quality, XRD, SEM, etc., and analyze the ion composition of the liquid product to evaluate the degree of mineralization.

[0078] During the reaction, the floating piezoelectric ceramic atomization device provides primary acceleration, atomizes the liquid into droplets through high-frequency mechanical vibration to expand the gas-liquid interface, and also breaks the liquid film boundary layer to promote the dissolution of carbon dioxide in pure water or additive-containing solution, and enhances the reaction kinetics rate. The gas injection device provides secondary acceleration, injects carbon dioxide into the reactor through the gas injection pump, and discharges it from the micropores on the gas hole distribution pipe to form a small bubble of planar distribution, significantly increasing the gas-liquid contact area and enhancing the dissolution rate of carbon dioxide. The magnetic stirring device provides tertiary acceleration, forms a rotating flow field to fully mix carbon dioxide with pure water or additive-containing solution, promotes sufficient contact between gas, liquid and solid, and improves the reaction of blocky rocks with carbon dioxide-dissolved carbonic acid solution. The temperature control device and the data monitoring device ensure the temperature and pressure conditions of the reaction.

[0079] Through the above-mentioned multi-stage collaborative acceleration (floating piezoelectric ceramic atomization, gas planar bubbling, magnetic stirring), the specific embodiment can fully contact gas, liquid and solid, significantly improve the dissolution rate and reaction rate of carbon dioxide, and shorten the mineralization time by 30%-60%.

[0080] In summary, the present application provides a kind of multistage acceleration promotes gas-liquid-solid three-phase reaction experimental system, comprising: reactor, floating piezoelectric ceramic atomization device, gas injection device, magnetic stirring device, support net and temperature control device. Wherein, the reactor is used to occur gas-liquid-solid three-phase reaction;The floating piezoelectric ceramic atomization device generates high-frequency mechanical vibration by control circuit, atomizes reaction liquid to form micro-droplets, breaks liquid film boundary layer, to increase gas-liquid contact interface, realizes primary acceleration;The gas injection device is injected into the reactor by the gas injection pump, is discharged from the micro-hole on the gas hole distribution pipe, forms the bubble of planar distribution, to increase gas-liquid contact interface, realizes secondary acceleration;The magnetic stirring device generates external magnetic field by the magnetic force drive base, drives the rotation of the magnetic stirring son, to realize the circulating flow of reaction liquid, realizes tertiary acceleration;The support net is through the collision of the magnetic stirring son and reaction solid by isolation, to ensure that reaction solid is uniformly distributed;The temperature control device controls the temperature of the liquid in the constant temperature bath tank, to control the temperature of gas-liquid-solid three-phase reaction in the reactor.Compared with prior art, the advantages of the experimental system of the present application include: without complex mechanical stirring paddle, simple structure;Low energy consumption, low noise;Can be flexibly adapted to different reaction systems (such as carbonation, adsorption, gas-solid reaction, etc.);Each device can be independently controlled, facilitate to expand function (such as adding electrochemical auxiliary module or light system).

[0081] It should be understood that the application of the present application is not limited to the above examples, and those skilled in the art can improve or change according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the present application.

Claims

1. A multi-stage acceleration promoted gas-liquid-solid three-phase reaction experimental system, characterized in that, The application relates to a multi-stage accelerated experimental system for promoting gas-liquid-solid three-phase reaction. The reaction kettle is provided with a visual window in the side wall and an atomizing device mounting groove in the inner side wall; The floating piezoelectric ceramic atomizing device comprises a piezoelectric ceramic atomizing sheet and a float for floating the piezoelectric ceramic atomizing sheet; the floating piezoelectric ceramic atomizing device is embedded in the atomizing device mounting groove and can freely move in the vertical direction along with the change of the liquid level in the reaction kettle; The gas injection device comprises a gas hole distribution pipe arranged at the bottom of the reaction kettle and a gas injection pump connected with the gas hole distribution pipe through a pipeline; the gas hole distribution pipe is provided with uniformly distributed micro-holes; The magnetic stirring device comprises a magnetic driving base arranged below the bottom of the reaction kettle outside, a rotating speed controller for controlling the external magnetic field intensity of the magnetic driving base outside and a magnetic stirring sub arranged in the reaction kettle; the magnetic stirring sub is arranged above the gas hole distribution pipe; A support net is arranged on the side of the magnetic stirring sub away from the gas hole distribution pipe; The temperature control device comprises a constant temperature bath and a temperature controller for controlling the temperature of the constant temperature bath; The data monitoring device is used for on-line monitoring of the temperature and pressure of the gas-liquid-solid three-phase reaction in the reaction kettle; The data monitoring device comprises a temperature sensor, a pressure sensor and a monitoring terminal; the temperature sensor and the pressure sensor are used for on-line collection of the temperature and pressure data of the gas-liquid-solid three-phase reaction in the reaction kettle; the monitoring terminal is used for real-time receiving of the data collected by the temperature sensor and the pressure sensor and feedback adjustment of the temperature controller and the gas injection pump to control the temperature and pressure of the gas-liquid-solid three-phase reaction in the reaction kettle; The reaction kettle further comprises an air inlet arranged at the bottom; the air inlet is connected with the air inlet end of the gas hole distribution pipe; The reaction kettle further comprises an air outlet, a temperature sensor interface and a pressure sensor interface arranged at the top; the temperature sensor interface is used for connection with the temperature sensor and the pressure sensor interface is used for connection with the pressure sensor; The pore diameter of the micro-holes on the gas hole distribution pipe is 0.1-0.5 mm; The air inlet end of the gas injection pump is connected with a gas cylinder for providing reaction gas; A first gas injection valve is arranged on the pipeline connecting the gas hole distribution pipe with the gas injection pump; a second gas injection valve is arranged on the pipeline connecting the gas injection pump with the gas cylinder; The atomizing device mounting groove is located above the support net.

2. A method for multi-stage acceleration of gas-liquid-solid three-phase reactions, characterized in that, The application further discloses a method for using the multi-stage accelerated experimental system for promoting gas-liquid-solid three-phase reaction, which comprises the following steps: adding reaction liquid into the reaction kettle and controlling the liquid level of the reaction liquid to be higher than the lowest part of the atomizing device mounting groove; arranging the magnetic stirring sub and the support net in the reaction kettle in sequence and placing reaction solid on the support net; sealing the reaction kettle, placing the reaction kettle and the magnetic driving base in the constant temperature bath and starting the temperature control device to preheat; controlling the floating piezoelectric ceramic atomizing device to work; starting the gas injection device and injecting reaction gas into the reaction kettle through the gas injection pump; starting the magnetic stirring device and driving the magnetic stirring sub to rotate through the external magnetic field generated by the magnetic driving base; the reaction solid comprises rock, the reaction liquid comprises water and the reaction gas comprises carbon dioxide.

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