A carbonization reaction tower

Abstract

This invention relates to the field of carbonization equipment technology, and particularly to a carbonization reaction tower, comprising a reaction body with a reaction chamber inside; a mixing module including a distribution component, a mixing component, and a spacer component, the spacer component being disposed in the middle of the reaction chamber, dividing the reaction chamber into a gas flow chamber, a mixing chamber, and a deposition chamber, the mixing component being disposed within the mixing chamber; the distribution component being disposed within the deposition chamber, the distribution component being sealed and connected to the mixing pipe, and the distribution component being connected to the outside via an air inlet pipe; and a circulation separation module being disposed at the bottom of the reaction body, used to cyclone-separate the slurry at the bottom of the reaction chamber and then transport it to the top of the mixing module. The carbonization reaction tower provided by this invention, by forming a mixing pipe with a Venturi structure, significantly enhances the mass transfer process and reaction efficiency, while simultaneously enabling the separation and circulation of the bottom slurry, ensuring the degree of material reaction while preventing equipment blockage.

Description

Technical Field

[0001] This invention relates to the field of carbonization equipment technology, and in particular to a carbonization reaction tower. Background Technology

[0002] Carbonization reactions play a crucial role in many industrial fields such as chemical engineering, building materials, and environmental protection. Taking the production of precipitated silica as an example, the carbonization reaction between carbon dioxide and sodium silicate solution is the core step.

[0003] However, traditional carbonization reaction towers currently suffer from numerous problems during operation. In traditional bubbling or mechanically stirred reactors, carbon dioxide has low solubility in alkaline solutions, and the large diameter and uneven distribution of bubbles result in a small gas-liquid contact area and a low mass transfer coefficient. This leads to a low single-pass conversion rate of carbon dioxide during the reaction, and a large amount of unreacted gas needs to be recovered through a tail gas treatment system, which not only increases energy consumption but also prolongs the reaction cycle. Furthermore, when the solid content of silica slurry reaches 15%–25%, it is in a gel-like state and easily forms a dense deposit layer at the bottom of the tower. This deposit not only causes equipment blockage but also leads to local supersaturation, resulting in a wider product particle size distribution and large fluctuations in specific surface area, making it difficult to meet the requirements of high-end applications.

[0004] Therefore, developing a novel carbonization reaction system that can achieve efficient gas-liquid premixing and has self-cleaning and anti-clogging capabilities has become an urgent need for technological upgrading in the silica industry. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a carbonization reaction tower that solves the problems of low reaction efficiency, difficulty in continuous production and large fluctuations in product quality of existing carbonization reaction towers.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a carbonization reaction tower, comprising: The reaction body has a reaction chamber inside; The mixing module includes a distribution component, a mixing component, and a spacer component. The spacer component is located in the middle of the reaction chamber, dividing the reaction chamber into a gas flow chamber, a mixing chamber, and a deposition chamber. The mixing component is located in the mixing chamber and includes multiple mixing pipes, an input ring cavity, and an input liquid channel. The mixing pipes are provided with a contraction section, a mixing section, and a diffusion section. The input ring cavity is fitted onto the mixing pipe corresponding to the mixing section. The input liquid channel is inclined between the mixing section and the input ring cavity, with the end of the input liquid channel near the mixing section being higher than the end of the input liquid channel near the input ring cavity. The input ring cavity is connected to an external liquid supply component. The distribution component is located in the deposition chamber and is sealed to the mixing pipes. The distribution component is connected to the outside through an air inlet pipe. The slurry in the deposition chamber partially submerges the distribution component, and the bottom of the distribution component is connected to the deposition chamber. The circulation separation module is located at the bottom of the reaction body and is used to separate the slurry at the bottom of the reaction chamber by cyclone separation and then transport it to the top of the mixing module. In one embodiment, at least four input channels are provided between each mixing section and the input ring cavity, and the intersection of the extended input channels is on the central axis of the mixing section.

[0007] In one embodiment, a liquid channel adjusting component is provided in the input ring cavity. The liquid channel adjusting component is rotatably disposed inside the input ring cavity. The liquid channel adjusting component includes an upper ring wall, a lower ring wall, an adjusting wall, and a rotating knob. The adjusting wall is disposed between the upper ring wall and the lower ring wall at intervals corresponding to the input liquid channel. A rotating groove is provided at the top of the input ring cavity, and the rotating knob is disposed at the top of the upper ring wall corresponding to the rotating groove.

[0008] In one embodiment, the mixing tube further includes an extension section that extends from the end of the diffuser section into the airflow cavity, the end of which is higher than the highest point of the spacer assembly.

[0009] In one embodiment, the spacer assembly includes an upper spacer wall, a lower spacer wall, and a liquid flow channel. The upper spacer wall is flush with the end of the diffusion section, and the lower spacer wall is flush with the input end of the contraction section. The liquid flow channel is disposed between the upper spacer wall and the lower spacer wall and is used to allow the slurry accumulated on the upper spacer wall to flow into the deposition chamber.

[0010] In one embodiment, the circulating separation module includes a circulating pipeline, a separator, and a distribution plate. The distribution plate is disposed in the airflow cavity and has an airflow channel that runs vertically through it. The distribution plate has a distribution cavity, and the bottom of the distribution cavity has a spray port. The spray port is connected to the liquid outlet of the separator through the distribution cavity. The circulating pipeline tangentially inputs the slurry in the sedimentation cavity into the separator and transports the separated slurry to the distribution cavity.

[0011] In one embodiment, the hybrid module further includes a flow-guiding turbine fan disposed between the extension section and the distribution disk.

[0012] In one embodiment, the dispensing assembly includes a dispensing disc and an extension tube. The dispensing disc is connected to a mixing tube via a dispensing pipe. The bottom of the dispensing disc has a collecting cone, and the end of the collecting cone is provided with an extension tube, which is immersed in the slurry in the deposition chamber.

[0013] In one embodiment, the mixing module further includes a physical field enhancement component, which is disposed at least outside the deposition chamber and is used to emit ultrasound or microwaves into the slurry inside the deposition chamber.

[0014] In one embodiment, the physical field enhancement component includes a microwave component and an ultrasonic component, which are alternately arranged, and the emitting ends of the microwave component and the ultrasonic component extend from the outside of the reaction body into the deposition cavity.

[0015] The beneficial effects of this invention are as follows: Traditional carbonization reaction towers mostly adopt a structure of bubbling combined with mechanical stirring. The overall gas-liquid contact area is small and the mass transfer coefficient is low. Not only is the reaction cycle long, but a dense deposit layer is also easily formed at the bottom of the tower. The deposits not only cause equipment blockage, but also cause local supersaturation, resulting in a wider product particle size distribution and large fluctuations in specific surface area, which makes it difficult to meet the needs of high-end applications.

[0016] The carbonization reaction tower provided by this invention employs a mixing module that forms a mixing tube with a Venturi structure through a contraction section, a mixing section, and a diffusion section. This allows the carbon dioxide gas flow to create a strong negative pressure zone in the high-speed mixing section as it passes through the mixing tube. At this time, the sodium silicate solution entering the annular cavity is drawn into the mixing section under this negative pressure and thoroughly mixes with the high-speed carbon dioxide gas flow. The gas and liquid phases collide and shear each other at extremely high relative velocities within the mixing section, greatly increasing the gas-liquid contact area and significantly enhancing the mass transfer process and reaction efficiency. Subsequently, the mixed fluid enters the diffusion section, where the flow velocity decreases and the pressure increases. Then, the initially decelerated mixed gas flow is injected into the gas flow chamber. The rapidly expanding chamber space further decelerates and diffuses the mixed fluid, creating turbulence. This turbulence further evenly disperses the mixed gas flow, further increasing the contact area, while providing sufficient reaction time for the mixed fluid and preventing the high-speed mixed gas flow from directly impacting the inner wall of the reaction body and causing localized scaling.

[0017] Meanwhile, the end of the distribution component within the mixing module is immersed in the slurry within the deposition chamber. Through the liquid seal effect of the slurry, not only is the path of the carbon dioxide gas flow restricted, but the liquid accumulated within the mixing component can also flow into the deposition chamber, preventing liquid accumulation and sedimentation within the mixing component and avoiding internal blockage. Furthermore, the inclined input channel prevents carbon dioxide gas from rushing into it, avoiding the reaction of carbon dioxide with sodium silicate solution to form scale within the input channel, thus reducing the risk of input channel blockage.

[0018] Furthermore, the carbonization reaction tower provided by the present invention is equipped with a circulation separation module at the bottom of the deposition chamber. The circulation separation module separates the slurry at the bottom of the reaction chamber by swirling and then transports it to the top of the mixing module, so that the separated slurry re-contacts the diffused mixed airflow, ensuring the degree of material reaction. At the same time, the liquid flow buffers the mixed airflow, further reducing the impact of the mixed airflow and improving the overall service life of the device.

[0019] Other features and beneficial effects of the invention will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the invention. The objects of the invention and other beneficial effects may be realized and obtained by means of the structures and / or components pointed out in the description and claims. Attached Figure Description

[0020] Figure 1 This is a perspective view of an embodiment of the present invention; Figure 2 This is a top view of an embodiment of the present invention; Figure 3 for Figure 2 Cross-sectional view at point AA; Figure 4 for Figure 3 A magnified view of a section at point B in the middle; Figure 5 A top view of the input annular cavity of the fluid channel regulating component of this invention; Figure 6 A cross-sectional view of the input annular cavity of the fluid channel regulating component of this invention; Figure 7 This is a three-dimensional schematic diagram of the internal structure of an embodiment of the present invention.

[0021] Label Explanation: 1. Reaction body; 11. Reaction chamber; 111. Gas flow chamber; 112. Mixing chamber; 113. Deposition chamber; 2. Mixing module; 21. Distribution assembly; 211. Distribution disc; 212. Collecting cone; 213. Extension tube; 22. Mixing assembly; 221. Mixing tube; 2211. Contraction section; 2212. Mixing section; 2213. Diffusion section; 2214. Extension section; 222. Input annular cavity; 2221. Rotating tank; 223. Input liquid 224. Liquid channel regulating component; 2241. Upper annular wall; 2242. Lower annular wall; 2243. Adjusting wall; 2244. Rotary knob; 23. Spacing assembly; 231. Upper spacer wall; 232. Lower spacer wall; 233. Liquid flow channel; 24. Flow guide turbine fan; 25. Physical field enhancement assembly; 3. Circulation separation module; 31. Circulation pipeline; 32. Separator; 33. Distribution plate; 331. Airflow channel; 332. Distribution cavity; 333. Injection port. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments. The technical features designed in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] In the description of this invention, it should be noted that all terms used in this invention (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains, and should not be construed as limiting the invention; it should be further understood that the terms used in this invention should be understood to have the same meaning as those in the context of this specification and in the relevant field, and should not be understood in an idealized or overly formal sense, except as expressly defined in this invention.

[0024] To explain in detail the technical content, objectives, and effects of the present invention, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0025] Please refer to Figures 1 to 7 A carbonization reaction tower, comprising: The reaction body 1 has a reaction chamber 11 inside; The mixing module 2 includes a distribution component 21, a mixing component 22, and a spacer component 23. The spacer component 23 is located in the middle of the reaction chamber 11, dividing the reaction chamber 11 into a gas flow chamber 111, a mixing chamber 112, and a deposition chamber 113. The mixing component 22 is located inside the mixing chamber 112 and includes multiple mixing pipes 221, an input annular cavity 222, and an input liquid channel 223. The mixing pipes 221 are provided with a contraction section 2211, a mixing section 2212, and a diffusion section 2213. The input annular cavity 222 is sleeved on the mixing pipes 2212 corresponding to the mixing section 2212. On 21, the input liquid channel 223 is inclinedly disposed between the mixing section 2212 and the input ring cavity 222. The end of the input liquid channel 223 near the mixing section 2212 is higher than the end of the input liquid channel 223 near the input ring cavity 222. The input ring cavity 222 is connected to the external liquid supply component. The distribution component 21 is disposed in the deposition chamber 113. The distribution component 21 is sealed and connected to the mixing pipe 221. The distribution component 21 is connected to the outside through the air inlet pipe. The slurry in the deposition chamber 113 partially submerges the distribution component 21. The bottom of the distribution component 21 is connected to the deposition chamber 113. The circulating separation module 3 is located at the bottom of the reaction body 1 and is used to separate the slurry at the bottom of the reaction chamber 11 by cyclone separation and then transport it to the top of the mixing module 2. In the mixing section 2212, using only a single input channel 223 to input sodium silicate solution easily leads to the formation of asymmetric atomized clouds. This results in localized supersaturation of the solution near the input channel 223, causing rapid scaling and blockage. Therefore, in this embodiment, at least four input channels 223 are provided between each mixing section 2212 and the input annular cavity 222. The intersection point of the extensions of the input channels 223 is on the central axis of the mixing section 2212. The multiple input channels 223 are evenly distributed around the mixing section 2212, allowing the carbon dioxide gas flow to symmetrically shear the liquid transported by the input channels 223. The atomized cloud exhibits an axially symmetrical shape, effectively increasing the contact area. Simultaneously, the intersection of the extensions of the multiple input channels 223 on the central axis of the mixing section 2212 causes the produced atomized clouds to converge and collide at the center, resulting in secondary breakage and further improving atomization uniformity, thereby enhancing the mass transfer effect.

[0026] In this embodiment, a liquid channel regulating component 224 is provided inside the input annular cavity 222. The liquid channel regulating component 224 is rotatably disposed inside the input annular cavity 222. The liquid channel regulating component 224 includes an upper annular wall 2241, a lower annular wall 2242, an regulating wall 2243, and a rotating knob 2244. The regulating wall 2243 is disposed between the upper annular wall 2241 and the lower annular wall 2242, corresponding to the input liquid channel 223. A rotating groove 2221 is provided at the top of the input annular cavity 222, and the rotating knob 2244 is disposed at the top of the upper annular wall 2241, corresponding to the rotating groove 2221. After the liquid channel regulating component 224 is provided, the operator can adjust the relative position of the regulating wall 2243 and the input liquid channel 223 by pushing the rotating knob 2244. In the early stage of the reaction, the opening is increased to improve the liquid-gas ratio and accelerate the nucleation of silica; in the middle stage, a moderate opening is maintained to promote uniform particle growth; in the later stage, the opening is decreased to suppress excessive coarsening, narrow the particle size distribution of the product, and at the same time, allow the airflow to have more contact with the circulating slurry for reaction. This allows operators to adapt to different concentrations of sodium silicate solution and different load conditions by controlling the liquid inlet volume at different stages, effectively improving the overall adjustability.

[0027] Preferably, the upper annular wall 2241 and the lower annular wall 2242 abut and overlap with the side wall of the input annular cavity 222, and a sealing ring is provided over the upper annular wall 2241 and the lower annular wall 2242. This arrangement can prevent solution leakage in the input annular cavity 222.

[0028] More preferably, the liquid channel adjuster 224 is connected to the drive structure via a transmission connection, allowing the operator to control the rotation angle of the liquid channel adjuster 224 in real time through the drive structure, thereby adjusting the liquid inlet flow rate of the input liquid channel 223 in real time according to the reaction progress. Specifically, the drive structure can be a push rod with a hinged connecting rod, etc. Those skilled in the art can select a suitable drive structure as needed, without specific limitations.

[0029] In this embodiment, the mixing tube 221 further includes an extension section 2214, which extends from the end of the diffuser section 2213 towards the airflow cavity 111. The height of the end of the extension section 2214 is higher than the highest point of the spacer assembly 23. This arrangement ensures that the end of the extension section 2214 is higher than the highest point of the spacer assembly 23, forming a physical barrier. When slurry accumulates on the upper wall of the spacer assembly 23 in the airflow cavity 111, the extension section 2214 can effectively prevent slurry from flowing back into the mixing tube 221, preventing slurry from scaling and causing blockage in the mixing section 2212, and ensuring that the mixing module 2 can operate normally.

[0030] In this embodiment, the spacer assembly 23 includes an upper spacer wall 231, a lower spacer wall 232, and a liquid flow channel 233. The upper spacer wall 231 is flush with the end of the diffusion section 2213, and the lower spacer wall 232 is flush with the input end of the contraction section 2211. The liquid flow channel 233 is disposed between the upper spacer wall 231 and the lower spacer wall 232, and is used to allow the slurry accumulated on the upper spacer wall 231 to flow into the deposition chamber 113. This arrangement forms a sealed space between the upper spacer wall 231 and the lower spacer wall 232, preventing slurry from entering between them and reducing wear and corrosion on the mixing assembly 22. Simultaneously, it provides a stable operating environment for the liquid channel regulating component 224 and the drive structure, ensuring the stability and lifespan of the equipment. Furthermore, the liquid flow channel 233 allows the circulating slurry to flow directly into the deposition chamber 113, preventing excessive contact between the circulating slurry and the mixing gas flow, thus ensuring stable product quality.

[0031] In the sedimentation chamber 113, the solid content of the slurry continuously increases during the ongoing reaction, with both large and small particles forming a colloidal state. To prevent large particles from re-entering the circulation and causing the final product to have an excessively large particle size, in this embodiment, the circulation separation module 3 includes a circulation pipeline 31, a separator 32, and a distribution plate 33. The distribution plate 33 is located within the airflow chamber 111 and has a vertically penetrating airflow channel 331. The distribution plate 33 contains a distribution chamber 332, with a jet nozzle 333 at its bottom. The jet nozzle 333 connects to the liquid outlet of the separator 32 through the distribution chamber 332. The circulation pipeline 31 tangentially inputs the slurry from the sedimentation chamber 113 into the separator 32 and transports the separated slurry to the distribution chamber 332. The separator 32 within the circulation pipeline 31 ensures that large particles are continuously output during circulation, guaranteeing continuous production. The fine particles in the separated slurry can enter the gas flow chamber 111 and react further with the mixed gas flow, thereby improving the quality stability of the product.

[0032] Specifically, the separator 32 is a cyclone separator 32. Those skilled in the art can select appropriate specifications and quantities of cyclone separators 32 as needed, without making specific limitations.

[0033] Preferably, a circulation pump is provided on the circulation pipeline 31.

[0034] In this embodiment, the mixing module 2 further includes a guide fan 24, which is disposed between the extension section 2214 and the distribution disk 33. The guide fan 24 is positioned above the extension section 2214. The airflow ejected from the extension section 2214 impacts the guide fan 24, causing it to rotate. This further disperses the airflow and converts the impact force into rotational force, thereby improving the stability of the device. Furthermore, after the mixed airflow impacts the guide fan 24, large droplets with precipitates are thrown towards the inner wall of the reaction body 1 under centrifugal force, resulting in preliminary separation of the mixed airflow. This avoids excessive contact between the precipitate and carbon dioxide, ensuring controllable product particle size. Furthermore, the distribution disk 33 is located above the guide vortex fan 24. After the circulating slurry sprayed from the distribution disk 33 reaches the surface of the guide vortex fan 24, it flows along the guide vortex fan 24 under the action of centrifugal force, thereby making full contact with the mixed airflow on the surface of the guide vortex fan 24. While continuing the reaction, small droplets are adhered, which not only prevents a large number of small droplets from being carried away from the reaction chamber 11 and reduces the tail gas treatment load, but also continuously flushes the guide vortex fan 24 to prevent sedimentation and caking.

[0035] Specifically, the guide turbine 24 is fixed in the center of the airflow cavity 111 by a bracket (not shown in the figure).

[0036] Preferably, the upper wall 231 of the spacer gradually slopes downward from the outer edge of the liquid flow channel 233. This design allows the liquid in the upper wall 231 of the spacer to flow steadily towards the liquid flow channel 233, thereby preventing sediment from accumulating and hardening on the upper wall 231 of the spacer.

[0037] Although the sodium silicate solution in the mixing component 22 can form droplets under the action of carbon dioxide gas flow and be carried away from the mixing tube 221, some droplets will still flow into the distribution component 21 after touching the inner wall of the mixing tube 221. To prevent liquid from accumulating in the distribution component 21, the bottom of the distribution component 21 is connected to the deposition chamber 113. At the same time, to ensure the liquid seal effect, the slurry in the deposition chamber 113 partially submerges the distribution component 21. However, during continuous operation, especially when the circulating separation module 3 is running, the liquid level in the deposition chamber 113 may fluctuate drastically, causing the liquid seal to fail and the mixing module 2 to malfunction. Therefore, in this embodiment, the distribution component 21 includes a distribution plate 211 and an extension tube 213. The distribution plate 211 is connected to the mixing tube 221 through a distribution pipe. The bottom of the distribution plate 211 has a collecting cone 212, and the end of the collecting cone 212 is provided with an extension tube 213, which is immersed in the slurry in the deposition chamber 113. The extension tube 213 can significantly lower the lowest point of the distribution component 21, and reduce the impact of liquid level fluctuations in the deposition chamber 113 on the liquid sealing effect of the distribution component 21 without affecting the internal liquid flow of the distribution component 21, thus ensuring the normal operation of the overall reaction cycle.

[0038] Preferably, the end of the extension tube 213 is inclined to avoid the extension line of the extension tube 213 from intersecting with the liquid inlet end of the circulation pipe 31, thereby avoiding the suction force of the circulation pipe 31 from affecting the extension tube 213 and ensuring normal pressure in the distribution component 21.

[0039] In this embodiment, the mixing module 2 further includes a physical field enhancement component 25, which is at least disposed on the outside of the deposition chamber 113. The physical field enhancement component 25 is used to emit ultrasound or microwaves into the slurry within the deposition chamber 113. Specifically, ultrasound can generate a cavitation effect within the deposition chamber 113, thereby accelerating molecular motion and promoting the reaction. Microwaves can rapidly raise the overall temperature of the slurry, increasing the reaction temperature and accelerating the reaction rate.

[0040] Preferably, the physical field enhancement component 25 is also disposed between the guide turbine fan 24 and the upper spacer wall 231, where the physical field enhancement component 25 emits microwaves toward the mixed airflow. Since the propagation of ultrasound in air is significantly limited, the physical field enhancement component 25 between the guide turbine fan 24 and the upper spacer wall 231 only emits microwaves.

[0041] In this embodiment, the physical field enhancement component 25 includes a microwave component and an ultrasonic component, which are alternately arranged. The transmitting ends of the microwave component and the ultrasonic component extend from the outside of the reaction body 1 into the deposition cavity 113. Specifically, the microwave generator and the ultrasonic generator of the physical field enhancement component 25 are located on the outside of the reaction body 1, and then the ultrasonic or microwave is introduced into the deposition cavity 113 through an antenna or an ultrasonic amplitude transformer.

[0042] Preferably, the physical field enhancement component 25 is provided with a protective shell on its outer edge to prevent external environmental interference with the operation of the physical field enhancement component 25.

[0043] Specifically, those skilled in the art can set appropriate microwave and ultrasonic components as needed, without making specific limitations.

[0044] Furthermore, those skilled in the art should understand that although many problems exist in the prior art, each embodiment or technical solution of the present invention can be improved in only one or a few aspects, without necessarily solving all the technical problems listed in the prior art or the background art simultaneously. Those skilled in the art should understand that any content not mentioned in a claim should not be construed as a limitation on that claim.

[0045] Although this document frequently uses terms such as reaction body and reaction chamber, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of the invention; interpreting them as any kind of additional limitation would contradict the spirit of the invention. The terms "first," "second," etc. (if present) in the specification and claims of the embodiments of the invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A carbonization reaction tower, characterized in that, include: The reaction body (1) has a reaction chamber (11) inside. The mixing module (2) includes a distribution component (21), a mixing component (22), and a spacer component (23). The spacer component (23) is disposed in the middle of the reaction chamber (11) and divides the reaction chamber (11) into a gas flow chamber (111), a mixing chamber (112), and a deposition chamber (113). The mixing component (22) is disposed in the mixing chamber (112). The mixing component (22) includes multiple mixing tubes (221), an input ring cavity (222), and an input liquid channel (223). The mixing tubes (221) are provided with a contraction section (2211), a mixing section (2212), and a diffusion section (2213). The input ring cavity (222) is sleeved on the mixing tube (221) corresponding to the mixing section (2212). On the above, the input liquid channel (223) is inclinedly disposed between the mixing section (2212) and the input ring cavity (222). The end of the input liquid channel (223) near the mixing section (2212) is higher than the end of the input liquid channel (223) near the input ring cavity (222). The input ring cavity (222) is connected to the external liquid supply component. The distribution component (21) is disposed in the deposition chamber (113). The distribution component (21) is sealed and connected to the mixing pipe (221) respectively. The distribution component (21) is connected to the outside through the air inlet pipe. The slurry in the deposition chamber (113) partially submerges the distribution component (21). The bottom of the distribution component (21) is connected to the deposition chamber (113). The circulating separation module (3) is located at the bottom of the reaction body (1) and is used to separate the slurry at the bottom of the reaction chamber (11) by cyclone separation and then transport it to the top of the mixing module (2).

2. The carbonization reaction tower according to claim 1, characterized in that: At least four input channels (223) are provided between each of the mixing sections (2212) and the input ring cavity (222), and the extensions of the input channels (223) converge at the central axis of the mixing section (2212).

3. The carbonization reaction tower according to claim 1, characterized in that: The input ring cavity (222) is provided with a liquid channel adjustment component (224). The liquid channel adjustment component (224) is rotatably disposed inside the input ring cavity (222). The liquid channel adjustment component (224) includes an upper ring wall (2241), a lower ring wall (2242), an adjustment wall (2243), and a rotary knob (2244). The adjustment wall (2243) is disposed between the upper ring wall (2241) and the lower ring wall (2242) at intervals corresponding to the input liquid channel (223). The top of the input ring cavity (222) is provided with a rotating groove (2221). The rotary knob (2244) is disposed on the top of the upper ring wall (2241) corresponding to the rotating groove (2221).

4. The carbonization reaction tower according to claim 1, characterized in that: The mixing tube (221) further includes an extension section (2214) that extends from the end of the diffuser section (2213) toward the airflow cavity (111), and the height of the end of the extension section (2214) is higher than the highest point of the spacer assembly (23).

5. The carbonization reaction tower according to claim 4, characterized in that: The spacer assembly (23) includes an upper spacer wall (231), a lower spacer wall (232), and a liquid flow channel (233). The upper spacer wall (231) is flush with the end of the diffusion section (2213), and the lower spacer wall (232) is flush with the input end of the contraction section (2211). The liquid flow channel (233) is disposed between the upper spacer wall (231) and the lower spacer wall (232). The liquid flow channel (233) is used to allow the slurry accumulated on the upper spacer wall (231) to flow into the deposition chamber (113).

6. The carbonization reaction tower according to claim 4, characterized in that: The circulating separation module (3) includes a circulating pipeline (31), a separator (32), and a distribution plate (33). The distribution plate (33) is disposed in the airflow cavity (111). The distribution plate (33) has an airflow channel (331) that runs vertically through it. The distribution plate (33) has a distribution cavity (332). The bottom of the distribution cavity (332) is provided with a jet port (333). The jet port (333) is connected to the liquid outlet of the separator (32) through the distribution cavity (332). The circulating pipeline (31) tangentially inputs the slurry in the sedimentation cavity (113) into the separator (32) and transports the separated slurry to the distribution cavity (332).

7. The carbonization reaction tower according to claim 6, characterized in that: The mixing module (2) also includes a flow guide turbine (24), which is disposed between the extension section (2214) and the distribution disk (33).

8. The carbonization reaction tower according to claim 1, characterized in that: The distribution assembly (21) includes a distribution disc (211) and an extension tube (213). The distribution disc (211) is connected to the mixing tube (221) through a distribution pipe. The bottom of the distribution disc (211) has a collecting cone (212), and the end of the collecting cone (212) is provided with an extension tube (213). The extension tube (213) is immersed in the slurry in the deposition chamber (113).

9. The carbonization reaction tower according to claim 1, characterized in that: The mixing module (2) further includes a physical field enhancement component (25), which is disposed at least outside the deposition cavity (113) and is used to emit ultrasound or microwaves into the slurry inside the deposition cavity (113).

10. The carbonization reaction tower according to claim 9, characterized in that: The physical field enhancement component (25) includes a microwave component and an ultrasonic component, which are alternately arranged. The emitting ends of the microwave component and the ultrasonic component extend from the outside of the reaction body (1) into the deposition cavity (113).

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