Preparation device and preparation process of novel green carbon-sequestration premixed concrete

Abstract

The invention discloses a preparation device and a preparation process of novel green carbon-sequestration premixed concrete, and relates to the technical field of concrete preparation. Two vertical plates are oppositely fixed to the top of the base, a second mixing bin is rotationally arranged between the two vertical plates, a first mixing bin is arranged on the right side of the second mixing bin, a third mixing bin is arranged on the left side of the second mixing bin, and the first mixing bin and the third mixing bin are arranged on the sides, away from the second mixing bin, of the two vertical plates correspondingly; a first conventional stirring part is arranged in the first mixing bin, a carbon sequestration stirring part is arranged on the second mixing bin, a second conventional stirring part is arranged in the third mixing bin, and under the mutual cooperation of the first conventional stirring part, the carbon sequestration stirring part and the second conventional stirring part, the stirring and mixing effect of concrete raw materials is effectively improved; meanwhile, conventional curing and carbon sequestration curing are matched, so that the quality of the carbon sequestration premixed concrete is further ensured.

Description

Technical Field

[0001] This invention belongs to the field of concrete preparation technology, and in particular relates to a novel green carbon-fixing ready-mixed concrete preparation device and preparation process. Background Technology

[0002] Carbon-fixing ready-mixed concrete is a type of concrete made from materials such as cement, mineral admixtures, aggregates, additives, and carbon-fixing agents through processes such as mixing, stirring, pressurizing, and curing.

[0003] Carbon-fixed ready-mixed concrete uses environmentally friendly materials, effectively reducing carbon emissions during construction. It causes less pollution than traditional concrete, exhibiting excellent environmental performance. Furthermore, its strength is more than 20% higher than traditional concrete, effectively improving the seismic performance and load-bearing capacity of buildings. It can be mixed on-site, significantly shortening the construction cycle and increasing efficiency. Its weather resistance and durability are also better than traditional concrete, making it more suitable for building structures. It is widely used in various building structures, such as high-rise buildings, bridges, tunnels, and water conservancy projects. With increasing environmental awareness and the continuous development of the construction industry, carbon-fixed ready-mixed concrete will become a new favorite in the construction industry, bringing more environmentally friendly, efficient, and high-quality building material options.

[0004] Currently, in the preparation process of carbon-fixed ready-mixed concrete, mixing equipment is required to mix the raw materials. Conventional mixing equipment has a relatively simple mixing method and can only mix in a fixed direction, resulting in poor mixing effect. It cannot guarantee that the raw materials of carbon-fixed ready-mixed concrete are fully and evenly mixed, which affects the quality of the finished carbon-fixed ready-mixed concrete.

[0005] To address these issues, we designed a novel green carbon-fixing ready-mixed concrete preparation device and process. Summary of the Invention

[0006] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution: This invention relates to a novel green carbon-fixing ready-mixed concrete preparation device, comprising a base, two vertical plates fixedly positioned on the top of the base, a second mixing chamber rotatably disposed between the two vertical plates, a third mixing chamber and a first mixing chamber respectively disposed on the left and right sides of the second mixing chamber, a first conventional agitator disposed in the first mixing chamber, a carbon-fixing agitator disposed on the second mixing chamber, and a second conventional agitator disposed in the third mixing chamber. The carbon-fixing agitator comprises: Two first stirring rods are rotatably mounted between two vertical plates and pass through the inner cavity of the second mixing chamber. Several stirring blades are fixed on the outer wall of the first stirring rods, and the stirring blades on the front and rear first stirring rods are staggered. The right end of the first stirring rod passes through the right surface of the right vertical plate. A first gear is fixedly sleeved on the right side of the outer wall of each of the two first stirring rods, and the two first gears mesh with each other. A support rod is provided on the lower side of the second mixing chamber. The support rod is rotatably embedded between the two vertical plates, and a second gear is fixedly sleeved on the outer wall of the support rod. A toothed ring is fixedly sleeved on the outer wall of the second mixing chamber, and the toothed ring meshes with the second gear.

[0007] The first conventional stirring component includes a support shaft, which is rotatably coupled to a first mixing chamber. A first spiral blade is provided on the support shaft, and the first spiral blade is coupled to the inner cavity of the first mixing chamber.

[0008] The bottom of the first mixing chamber is connected to a conveying pipe. The conveying pipe is inclined and the end of the conveying pipe away from the first mixing chamber passes through the right vertical plate and connects to the inner cavity of the second mixing chamber. The lower end of the support shaft is fixed with a second bevel gear. The first stirring rod on the rear side is fixedly sleeved with a first bevel gear. The second bevel gear is located on the upper side of the first bevel gear, and the first bevel gear meshes with the second bevel gear.

[0009] The carbon-fixing agitator also includes a second agitator rod, which is rotatably embedded between two vertical plates. The second agitator rod passes through the inner cavity of the second mixing chamber. A second spiral blade is fixed on the second agitator rod and disposed in the inner cavity of the second mixing chamber. The right ends of the second agitator rod and the support rod both penetrate the right surface of the right vertical plate. A first transmission assembly is disposed between the second agitator rod and the rearmost first agitator rod. A second transmission assembly is disposed between the support rod and the second agitator rod. A gas delivery assembly is disposed on the second agitator rod.

[0010] The second conventional mixing component includes a mixing shaft, which is rotatably disposed in the inner cavity of the third mixing chamber. The right end of the mixing shaft is fixedly connected to a support rod. A third spiral blade is provided on the mixing shaft, which cooperates with the inner cavity of the third mixing chamber. A material conveying port is provided on the vertical plate on the left side, and the second mixing chamber and the third mixing chamber are connected through the material conveying port.

[0011] The third mixing chamber has a discharge port on the side away from the vertical plate. A fixing block is fixed to the outer wall of the third mixing chamber. A hydraulic rod is installed at the bottom of the fixing block. A movable baffle is fixed to the telescopic end of the hydraulic rod. The movable baffle cooperates with the discharge port.

[0012] The gas delivery assembly includes a gas delivery pipe. The second stirring rod has a hollow structure. The gas delivery pipe is located inside the cavity of the second stirring rod. A connector is rotatably connected to one end of the gas delivery pipe on its outer side. Several cylinders are spaced apart on the second stirring rod. The cylinders are connected to the gas delivery pipe. A rubber block is movably installed inside the cylinder. A spring connects the rubber block to the inner wall of the cylinder. Several exhaust holes are opened through the circumference of the cylinder. The rubber block and the exhaust holes cooperate with each other. A mesh plate is installed on the outer side of the cavity of the exhaust hole.

[0013] A servo motor is mounted on the right-side upright plate via a mounting bracket. The output end of the servo motor is connected to the right end of the first stirring rod on the rear side. A support plate is provided on the upper side of the servo motor. The support plate is fixedly connected to the right-side upright plate. The first mixing chamber is located on the top of the support plate. A feed pipe is connected to the top of the first mixing chamber. A cover plate is movably provided at the feed inlet of the feed pipe.

[0014] A preparation process includes the following steps: Step 1: First, connect the connector to the external CO2 gas supply equipment, and feed industrial solid waste such as fly ash, slag, and waste concrete slurry into the first mixing chamber through the feed pipe according to the proportion. At the same time, start the servo motor. Under the meshing action of the first bevel gear and the second bevel gear, drive the support shaft and the first spiral blade to rotate, perform preliminary stirring of the materials in the first mixing chamber, and feed the stirred and mixed materials downward through the conveying pipe into the second mixing chamber. Step 2: The first stirring rod on the rear side is driven to rotate by the servo motor. Under the meshing action of the two first gears, the stirring blades on the front and rear sides rotate in opposite directions, further stirring and mixing the material entering the second mixing chamber. At the same time, with the cooperation of the connector and the gas supply pipe, CO2 is introduced into the cylinder. As CO2 gas is introduced, the gas pressure causes the rubber block to squeeze the spring, so that the exhaust port is in a connected state, thereby allowing CO2 to be introduced into the second mixing chamber for carbon fixation reaction. Step 3: With the cooperation of the first and second transmission components, the second stirring rod and the support rod rotate synchronously. The support rod drives the second gear to rotate. Combined with the meshing of the second gear and the gear ring, and the rotational connection between the second mixing chamber and the vertical plate, the second mixing chamber rotates, further improving the mixing effect of the material in the inner cavity of the second mixing chamber. At the same time, with the cooperation of the second stirring rod and the second spiral blade, the material in the second mixing chamber is transported to the third mixing chamber through the feed port. Step 4: The rotation of the support rod drives the stirring shaft to rotate synchronously, and under the action of the third spiral blade, the material entering the third mixing chamber is further stirred and mixed. Step 5: Finally, drive the hydraulic rod to retract, causing the movable baffle to move upward. Under the action of the discharge port, the fully mixed mixture is discharged and placed into the carbonization chamber or mixing tank for curing. Through the combination of conventional curing and carbon fixation curing, CO2 is further solidified, and the preparation of carbon-fixed ready-mixed concrete is completed.

[0015] The present invention has the following beneficial effects: The present invention uses a servo motor to easily drive the first stirring rod on the rear side to rotate. Combined with the meshing of the two first gears, the two first stirring rods are driven to rotate synchronously. At the same time, under the action of the first transmission component and the second transmission component, the second stirring rod and the support rod are driven to rotate synchronously. At the same time, the meshing action of the first bevel gear and the second bevel gear drives the support shaft to rotate. The cooperation between the support shaft and the first spiral blade facilitates the initial mixing of the material in the first mixing chamber. The meshing structure of the second bevel gear and the first bevel gear ensures the stability of power transmission, making the mixing process more efficient and reliable, and the material in the mixing process is transported to the second mixing chamber through the conveying pipe. The meshing of the two first gears drives the two first stirring rods to rotate synchronously in opposite directions, which in turn drives the stirring blades on the front and rear sides to rotate synchronously in opposite directions, further mixing and stirring the materials entering the second mixing chamber. Simultaneously, the meshing of the second gear and the gear ring, combined with the rotational cooperation between the second mixing chamber and the two side uprights, drives the second mixing chamber to rotate, further agitating the materials in the second mixing chamber, making the mixing more uniform, improving the material mixing effect, and avoiding uneven material mixing that would affect the quality of concrete. As the first mixing rod rotates, it drives the second mixing rod to rotate synchronously. Combined with the second spiral blade, it facilitates the mixing of the materials at the bottom of the second mixing chamber, and at the same time, it facilitates the conveying of concrete materials in the second mixing chamber to the third mixing chamber through the conveying port. The support rod drives the mixing shaft to rotate, and combined with the third spiral blade, it realizes the mixing of materials entering the third mixing chamber, effectively improving the mixing effect of concrete materials.

[0016] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 for Figure 1 Enlarged structural diagram at point A; Figure 3 for Figure 1 Enlarged structural diagram at point B; Figure 4 for Figure 1 Top view; Figure 5 for Figure 4 Schematic diagram of the structure of the mid-section CC; Figure 6 for Figure 4 Schematic diagram of the structure of the mid-section DD; Figure 7 for Figure 5 Enlarged structural diagram at point E; Figure 8 for Figure 5 Enlarged structural diagram at point F; Figure 9 for Figure 6 Schematic diagram of the mid-section of GG; Figure 10 for Figure 6 Enlarged structural diagram at point H; Figure 11 for Figure 1 A structural diagram from another perspective.

[0019] The attached diagram lists the components represented by each number as follows: 1. Base; 2. Vertical plate; 3. First mixing chamber; 4. Second mixing chamber; 5. Third mixing chamber; 6. Support shaft; 7. First spiral blade; 8. First stirring rod; 9. Stirring blade; 10. First gear; 11. First bevel gear; 12. Second bevel gear; 13. Second stirring rod; 14. Second spiral blade; 15. Support rod; 16. Gear ring; 17. Second gear; 18. First transmission assembly; 19. Second transmission assembly; 20. Stirring shaft; 21. Third spiral blade; 22. Fixing block; 23. Hydraulic rod; 24. Movable baffle; 25. Air supply pipe; 26. Connector; 27. Cylinder; 28. Rubber block; 29. ​​Exhaust port; 30. Spring; 31. Mesh plate; 32. Support plate; 33. Servo motor; 34. Feed pipe. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. 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.

[0021] In the description of this invention, it should be understood that the terms "upper," "middle," "outer," "inner," etc., which indicate orientation or positional relationship, are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this invention.

[0022] Please see Figure 1 - Figure 11 As shown, this invention is a novel green carbon-fixing ready-mixed concrete preparation device, comprising a base 1, with two vertical plates 2 fixedly fixed to the top of the base 1, a second mixing chamber 4 rotatably disposed between the two vertical plates 2, a third mixing chamber 5 and a first mixing chamber 3 respectively disposed on the left and right sides of the second mixing chamber 4, the first mixing chamber 3 being provided with a first conventional mixing component, the second mixing chamber 4 being provided with a carbon-fixing mixing component, and the third mixing chamber 5 being provided with a second conventional mixing component. The carbon-fixing mixing component includes: Two first stirring rods 8 are rotatably mounted between two vertical plates 2 and pass through the inner cavity of the second mixing chamber 4. Several stirring blades 9 are fixed on the outer wall of the first stirring rods 8, and the stirring blades 9 on the front and rear first stirring rods 8 are staggered. The right end of the first stirring rod 8 passes through the right surface of the right vertical plate 2. A first gear 10 is fixedly sleeved on the right side of the outer wall of both first stirring rods 8, and the two first gears 10 mesh with each other. A support rod 15 is provided on the lower side of the second mixing chamber 4 and is rotatably embedded between the two vertical plates 2. A second gear 17 is fixedly sleeved on the outer wall of the support rod 15. A toothed ring 16 is fixedly sleeved on the outer wall of the second mixing chamber 4, and the toothed ring 16 meshes with the second gear 17.

[0023] The first conventional mixing component includes a support shaft 6, which is rotatably coupled to the first mixing chamber 3. A first spiral blade 7 is provided on the support shaft 6, which is coupled to the inner cavity of the first mixing chamber 3. A conveying pipe is connected to the bottom of the first mixing chamber 3. The conveying pipe is inclined, and the end of the conveying pipe away from the first mixing chamber 3 passes through the right vertical plate 2 and connects to the inner cavity of the second mixing chamber 4. A second bevel gear 12 is fixed at the lower end of the support shaft 6. A first bevel gear 11 is fixedly sleeved on the first stirring rod 8 on the rear side. The second bevel gear 12 is located on the upper side of the first bevel gear 11, and the first bevel gear 11 and the second bevel gear 12 mesh.

[0024] In the above structure, the meshing of the first bevel gear 11 and the second bevel gear 12 drives the support shaft 6 to rotate. The cooperation between the support shaft 6 and the first spiral blade 7 facilitates the initial mixing of the material in the first mixing chamber 3. The meshing structure of the second bevel gear 12 and the first bevel gear 11 ensures the stability of power transmission, making the mixing process more efficient and reliable. At the same time, the material in the mixing process is transported to the second mixing chamber 4 through the conveying pipe. The meshing of the two first gears 10 drives the two first stirring rods 8 to rotate synchronously in opposite directions, which in turn drives the stirring blades 9 on the front and rear sides to rotate synchronously in opposite directions, further mixing the material entering the second mixing chamber 4. At the same time, the meshing of the second gear 17 and the toothed ring 16, combined with the rotational cooperation between the second mixing chamber 4 and the two side vertical plates 2, drives the second mixing chamber 4 to rotate, further turning the material in the second mixing chamber 4, making the mixing more uniform, improving the material mixing effect, and avoiding the phenomenon of uneven material mixing that affects the quality of concrete.

[0025] The carbon-fixing agitator also includes a second agitator 13, which is rotatably embedded between the two vertical plates 2. The second agitator 13 passes through the inner cavity of the second mixing chamber 4, and a second spiral blade 14 is fixed on the second agitator 13. The second spiral blade 14 is located in the inner cavity of the second mixing chamber 4. The right ends of the second agitator 13 and the support rod 15 both penetrate the right surface of the right vertical plate 2. A first transmission assembly 18 is provided between the second agitator 13 and the rearward first agitator 8, and a second transmission assembly 19 is provided between the support rod 15 and the second agitator 13. An air conveying assembly is provided on the second agitator 13. Under the action of the first transmission assembly 18, as the first agitator 8 rotates, the second agitator 13 rotates synchronously. Combined with the second spiral blade 14, it is convenient to stir and mix the material located at the bottom of the second mixing chamber 4.

[0026] The second conventional mixing component includes a mixing shaft 20, which is rotatably mounted inside the third mixing chamber 5. The right end of the mixing shaft 20 is fixedly connected to the support rod 15. A third spiral blade 21 is mounted on the mixing shaft 20 and engages with the inner cavity of the third mixing chamber 5. A material conveying port is provided on the left-side vertical plate 2. The second mixing chamber 4 and the third mixing chamber 5 are connected through the material conveying port. The support rod 15 drives the mixing shaft 20 to rotate, which, combined with the third spiral blade 21, achieves the mixing of materials entering the third mixing chamber 5, effectively improving the mixing effect of concrete materials.

[0027] The third mixing chamber 5 has a discharge port on the side away from the vertical plate 2. A fixing block 22 is fixed to the outer wall of the third mixing chamber 5. A hydraulic rod 23 is installed at the bottom of the fixing block 22. A movable baffle 24 is fixed to the telescopic end of the hydraulic rod 23. The movable baffle 24 cooperates with the discharge port.

[0028] The gas delivery assembly includes a gas delivery pipe 25, a second stirring rod 13 with a hollow structure, the gas delivery pipe 25 is located inside the second stirring rod 13, a connector 26 is rotatably connected to the outer end of the gas delivery pipe 25, several cylinders 27 are spaced apart on the second stirring rod 13, the cylinders 27 are connected to the gas delivery pipe 25, a rubber block 28 is movably installed inside the cylinder 27, a spring 30 is connected between the rubber block 28 and the inner wall of the cylinder 27, several exhaust holes 29 are opened through the circumference of the cylinder 27, the rubber block 28 and the exhaust holes 29 cooperate with each other, and a mesh plate 31 is installed on the outer side of the inner cavity of the exhaust hole 29.

[0029] A servo motor 33 is mounted on the right-side upright plate 2 via a mounting bracket. The output end of the servo motor 33 is connected to the right end of the first stirring rod 8 on the rear side. A support plate 32 is provided on the upper side of the servo motor 33. The support plate 32 is fixedly connected to the right-side upright plate 2. The first mixing chamber 3 is located on the top of the support plate 32. The top of the first mixing chamber 3 is connected to a feed pipe 34. A cover plate is movably provided at the feed inlet of the feed pipe 34.

[0030] A preparation process includes the following steps: Step 1: First, connect the connector 26 to the external CO2 gas supply equipment, and feed industrial solid waste such as fly ash, slag, and waste concrete slurry into the first mixing chamber 3 through the feed pipe 34 in proportion. At the same time, start the servo motor 33. Under the meshing action of the first bevel gear 11 and the second bevel gear 12, drive the support shaft 6 and the first spiral blade 7 to rotate, perform preliminary stirring of the material in the first mixing chamber 3, and feed the stirred and mixed material downward through the conveying pipe into the second mixing chamber 4. Step 2: The first stirring rod 8 on the rear side is driven to rotate by the servo motor 33. Under the meshing action of the two first gears 10, the stirring blades 9 on the front and rear sides rotate in opposite directions, further stirring and mixing the material entering the second mixing chamber 4. At the same time, with the cooperation of the connector 26 and the gas supply pipe 25, CO2 is introduced into the cylinder 27. As CO2 gas is introduced, under the action of gas pressure, the rubber block 28 squeezes the spring 30, so that the exhaust port 29 is in a connected state, thereby allowing CO2 to be introduced into the second mixing chamber 4 for carbon fixation reaction. Step 3: With the cooperation of the first transmission component 18 and the second transmission component 19, the second stirring rod 13 and the support rod 15 are driven to rotate synchronously. The support rod 15 drives the second gear 17 to rotate. Combined with the meshing of the second gear 17 and the gear ring 16, and the rotational connection between the second mixing chamber 4 and the vertical plate 2, the second mixing chamber 4 is driven to rotate, which further improves the stirring effect of the material in the inner cavity of the second mixing chamber 4. At the same time, with the cooperation of the second stirring rod 13 and the second spiral blade 14, the material in the second mixing chamber 4 is transported to the third mixing chamber 5 through the feed port. Step 4: The rotation of the support rod 15 drives the stirring shaft 20 to rotate synchronously, and under the action of the third spiral blade 21, the material entering the third mixing chamber 5 is further stirred and mixed. Step 5: Finally, drive the hydraulic rod 23 to retract, causing the movable baffle 24 to move upward. Under the action of the discharge port, the fully mixed mixture is discharged and placed into the carbonization chamber or mixing tank for curing. Through the combination of conventional curing and carbon fixation curing, CO2 is further solidified, and the preparation of carbon-fixed ready-mixed concrete is completed. Example

[0031] First, connect the connector 26 to the external CO2 gas supply equipment, and feed industrial solid waste such as fly ash, slag, and waste concrete slurry into the first mixing chamber 3 through the feed pipe 34 in proportion. At the same time, start the servo motor 33, which drives the first stirring rod 8 on the rear to rotate. Under the meshing action of the first bevel gear 11 and the second bevel gear 12, the support shaft 6 and the first spiral blade 7 are driven to rotate, and the material in the first mixing chamber 3 is initially stirred. The stirred and mixed material is then fed downward through the conveying pipe into the second mixing chamber 4. The meshing action of the two first gears 10 drives the two first stirring rods 8 to rotate synchronously in opposite directions, which in turn drives the stirring blades 9 on the front and rear sides to rotate synchronously in opposite directions, further stirring and mixing the materials entering the second mixing chamber 4. Simultaneously, with the cooperation of the connector 26 and the gas supply pipe 25, CO2 is introduced into the cylinder 27. As CO2 gas is introduced, under the action of gas pressure, the rubber block 28 is driven to squeeze the spring 30, so that the exhaust port 29 is in a connected state, thereby allowing CO2 to be introduced into the second mixing chamber 4 for carbon fixation reaction. The first transmission assembly 18 and the second transmission assembly 19 work together to drive the second stirring rod 13 and the support rod 15 to rotate synchronously. The support rod 15 drives the second gear 17 to rotate. Combined with the meshing of the second gear 17 and the gear ring 16, and the rotational connection between the second mixing chamber 4 and the vertical plate 2, the second mixing chamber 4 is driven to rotate. As the second mixing chamber 4 rotates, the concrete raw materials inside it are turned over, which further improves the mixing effect of the materials in the inner cavity of the second mixing chamber 4. The material at the bottom of the second mixing chamber 4 is stirred by the cooperation of the second stirring rod 13 and the second spiral blade 14, and the material in the second mixing chamber 4 is conveyed to the third mixing chamber 5 through the conveying port. At the same time, the rotation of the support rod 15 drives the stirring shaft 20 to rotate synchronously. Under the action of the third spiral blade 21, the material entering the third mixing chamber 5 is further stirred and mixed. After mixing is complete, the hydraulic rod 23 is retracted, causing the movable baffle 24 to move upward, so that the discharge port is open. With the cooperation of the mixing shaft 20 and the third spiral blade 21, the fully mixed mixture is discharged outward. Finally, the discharged mixture is placed in the carbonization chamber or mixing tank for curing. Through the combination of conventional curing and carbon fixation curing, CO2 is further solidified, and the preparation of carbon-fixed ready-mixed concrete is completed.

[0032] It should be further noted that the installation structure, connection method or setting method of each component in this invention are all common mechanical methods. As long as they can achieve their beneficial effects, they can be implemented. At the same time, the servo motor 33 and hydraulic rod 23 in this invention are purchased from the market. Those skilled in the art can install and use them according to the requirements. The conventional curing and carbon fixation curing of the mixture after mixing are techniques well known to those skilled in the art, and the specific operational details will not be elaborated here. The dimensions of the conveying pipe and the conveying port are fixed, which ensures that the material stays in the first mixing chamber 3 and the second mixing chamber 4 for a sufficient time during the material is conveyed outward, thus ensuring the mixing effect. Both the first transmission assembly 18 and the second transmission assembly 19 are composed of pulleys and transmission belts, which are commonly used transmission structures in the field. Their specific installation methods, working principles and usage methods will not be described in detail here. A valve is installed on the gas supply pipe 25 to facilitate the control of the CO2 gas flow.

[0033] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0034] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A preparation device for a new type of green carbon sequestration ready-mixed concrete, comprising a base (1), the top of which is oppositely fixed with two vertical plates (2), characterized in that, Two said vertical plate (2) between the rotating second mixing bin (4) is provided with third mixing bin (5) and first mixing bin (3) on the left and right sides, respectively, the first mixing bin (3) is provided with a first conventional stirring piece, the second mixing bin (4) is provided with a carbon fixation stirring piece, the third mixing bin (5) is provided with a second conventional stirring piece, the carbon fixation stirring piece comprises: First stirring rod (8), two said first stirring rod (8) rotationally arranged between two vertical plate (2), and the first stirring rod (8) passes through the inner cavity of the second mixing bin (4), the outer wall of the first stirring rod (8) is fixed with a plurality of stirring blades (9), the stirring blades (9) on the front and rear first stirring rod (8) are staggered, the right end of the first stirring rod (8) penetrates the right surface of the right vertical plate (2), the outer wall of the two first stirring rod (8) is fixed with a first gear (10), the two first gears (10) are engaged, the lower side of the second mixing bin (4) is provided with a support rod (15), the support rod (15) is rotatably embedded between the two vertical plate (2), the outer wall of the support rod (15) is fixed with a second gear (17), the outer wall of the second mixing bin (4) is fixed with a gear ring (16), the gear ring (16) is engaged with the second gear (17).

2. The preparation device of a new type of green carbon fixation ready-mixed concrete according to claim 1, characterized in that, The first conventional stirring piece comprises a support shaft (6), the support shaft (6) is rotatably connected with the first mixing bin (3), and the support shaft (6) is provided with a first spiral blade (7).

3. The preparation device of a new type of green carbon fixation ready-mixed concrete according to claim 2, characterized in that, The first mixing bin (3) is communicated with a material conveying pipe, the material conveying pipe is inclined, and the end of the material conveying pipe away from the first mixing bin (3) penetrates the right vertical plate (2) and is communicated with the inner cavity of the second mixing bin (4), the lower end of the support shaft (6) is fixed with a second bevel gear (12), the first bevel gear (11) is fixed on the rear first stirring rod (8), the second bevel gear (12) is arranged on the upper side of the first bevel gear (11), and the first bevel gear (11) is engaged with the second bevel gear (12).

4. The preparation device of a new type of green carbon fixation ready-mixed concrete according to claim 3, characterized in that, The carbon fixation stirring piece further comprises a second stirring rod (13), the second stirring rod (13) is rotatably embedded between the two vertical plate (2), the second stirring rod (13) passes through the inner cavity of the second mixing bin (4), the second stirring rod (13) is fixed with a second spiral blade (14), the second spiral blade (14) is arranged in the inner cavity of the second mixing bin (4), the right end of the second stirring rod (13) and the support rod (15) penetrates the right surface of the right vertical plate (2), a first transmission assembly (18) is arranged between the second stirring rod (13) and the rear first stirring rod (8), a second transmission assembly (19) is arranged between the support rod (15) and the second stirring rod (13), and a gas conveying assembly is arranged on the second stirring rod (13).

5. The preparation device of a new type of green carbon fixation ready-mixed concrete according to claim 4, characterized in that, The second conventional stirring piece comprises a stirring shaft (20) which is rotationally arranged in the inner cavity of the third mixing bin (5), the right end of the stirring shaft (20) is fixedly connected with the supporting rod (15), the stirring shaft (20) is provided with third spiral leaves (21), the third spiral leaves (21) are matched with the inner cavity of the third mixing bin (5), a material conveying port is formed in the left side of the vertical plate (2), and the second mixing bin (4) and the third mixing bin (5) are connected and communicated through the material conveying port.

6. The preparation device of a new type of green carbon fixation ready-mixed concrete according to claim 5, characterized in that, The third mixing bin (5) is provided with a material discharging port on the side away from the vertical plate (2), the outer wall of the third mixing bin (5) is fixedly provided with a fixing block (22), the bottom of the fixing block (22) is provided with a hydraulic rod (23), the telescopic end of the hydraulic rod (23) is fixedly provided with a movable baffle (24), and the movable baffle (24) is matched with the material discharging port.

7. The preparation device of a new type of green carbon fixation ready-mixed concrete according to claim 6, characterized in that, The gas conveying assembly comprises a gas conveying pipe (25), the second stirring rod (13) is a hollow structure, the gas conveying pipe (25) is arranged in the inner cavity of the second stirring rod (13), the outer end of the gas conveying pipe (25) is rotationally connected with a connecting head (26), a plurality of cylinder bodies (27) are arranged on the second stirring rod (13) at intervals, the cylinder bodies (27) are connected with the gas conveying pipe (25), the inner cavity of the cylinder body (27) is movably provided with a rubber block (28), the rubber block (28) and the inner wall of the cylinder body (27) are connected with springs (30), a plurality of air exhaust holes (29) are formed through the side surface of the cylinder body (27), the rubber block (28) and the air exhaust holes (29) are matched with each other, and the inner cavity of the air exhaust hole (29) is provided with a mesh plate (31) on the outer side.

8. The preparation device of a new type of green carbon fixation ready-mixed concrete according to claim 7, characterized in that, The right side of the vertical plate (2) is provided with a servo motor (33) through a mounting bracket, the output end of the servo motor (33) is connected with the right end of the rear first stirring rod (8), the upper side of the servo motor (33) is provided with a supporting plate (32), the supporting plate (32) is fixedly connected with the right side of the vertical plate (2), the first mixing bin (3) is arranged on the top of the supporting plate (32), the top of the first mixing bin (3) is connected with a feeding pipe (34), and the feeding port of the feeding pipe (34) is movably provided with a cover plate.

9. A preparation process based on the preparation device of a new type of green carbon sequestration ready-mixed concrete according to claim 8, characterized in that, The method comprises the following steps: Step one: firstly, the connecting head (26) is connected with an external CO2 gas supply device, industrial solid wastes such as fly ash, slag and waste concrete slurry are put into the first mixing bin (3) through the feeding pipe (34) according to a proportion, the servo motor (33) is started, the supporting shaft (6) and the first spiral leaves (7) are driven to rotate under the meshing effect of the first bevel gear (11) and the second bevel gear (12), the materials in the first mixing bin (3) are preliminarily stirred, and the stirred and mixed materials are input into the second mixing bin (4) downwards through the material conveying pipe; Step two: the first stirring rod (8) on the rear side is driven to rotate by the servo motor (33), and under the meshing action of the two first gears (10), the front and rear stirring blades (9) are driven to rotate in opposite directions, further stirring and mixing the materials in the second mixing bin (4), and under the cooperation of the connecting head (26) and the gas conveying pipe (25), CO2 is introduced into the cylinder (27), with the introduction of CO2 gas, the rubber block (28) is driven to extrude the spring (30) under the action of gas pressure, so that the exhaust hole (29) is in communication, and then CO2 is introduced into the second mixing bin (4) for carbon sequestration reaction; Step three: under the cooperation of the first transmission assembly (18) and the second transmission assembly (19), the second stirring rod (13) and the support rod (15) are driven to rotate synchronously, the second gear (17) is driven to rotate by the support rod (15), combined with the meshing action of the second gear (17) and the gear ring (16), and the rotary connection of the second mixing bin (4) and the vertical plate (2), the second mixing bin (4) is driven to rotate, further improving the stirring effect of the materials in the inner cavity of the second mixing bin (4), and under the cooperation of the second stirring rod (13) and the second spiral blade (14), the materials in the second mixing bin (4) are conveyed to the third mixing bin (5) through the material conveying port; Step four: the stirring shaft (20) is driven to rotate synchronously by the rotation of the support rod (15), and under the action of the third spiral blade (21), the materials in the third mixing bin (5) are further stirred and mixed; Step five: finally, the hydraulic rod (23) is driven to shrink, driving the movable baffle (24) to move upwards, under the action of the discharge port, the fully mixed mixture is discharged, and the discharged mixture is put into the carbonization chamber or the stirring tank for maintenance, through the mutual combination of conventional maintenance and carbon sequestration maintenance, further carbon sequestration of CO2, and the preparation of carbon sequestration ready-mixed concrete is completed.

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