Drying and homogenizing device for preparing flow-state solidified soil by utilizing engineering waste muck

Abstract

The invention relates to the technical field of drying and homogenizing devices, and discloses a drying and homogenizing device for preparing flow-state solidified soil from engineering waste muck, the drying and homogenizing device comprises a supporting base and a driving part arranged at the top of the supporting base, and a vibration crushing structure, a first stirring part, a first drying part and a stirring drying part are arranged at the top of the driving part; the stirring and drying part is provided with a discharging groove channel allowing materials stored in the stirring and drying part to flow out, and the driving part is used for driving the vibration crushing structure to vibrate and driving the materials flowing out of the vibration crushing structure to sequentially flow through the first stirring part, the first drying part, the stirring and drying part and the discharging groove channel. According to the waste residue soil crushing and drying device, stable crushing, drying and homogenizing treatment on waste residue soil can be achieved.

Description

Technical Field

[0001] This invention relates to the field of drying and homogenization equipment, and more specifically to a drying and homogenization device for preparing fluidized solidified soil using engineering waste slag. Background Technology

[0002] With the continuous expansion of urban infrastructure construction, a large amount of construction waste soil has been generated from subway tunnels, underground utility tunnels, foundation pit projects, road reconstruction and expansion, and other construction activities. This type of waste soil has complex sources and significant differences in composition, and is usually characterized by high moisture content, dispersed particle size distribution, strong agglomeration, and mixed impurities. If it is directly transported and landfilled, it will not only occupy land resources, but also have high transportation and disposal costs, and has gradually become an important problem restricting the sustainable development of cities.

[0003] In recent years, the preparation of fluidized solidified soil from engineering waste to achieve its resource recovery and engineering reuse has become an important direction for industry development. Fluidized solidified soil possesses advantages such as high fluidity, self-compacting properties, and controllable strength, and can be widely used in pipeline backfilling, underground cavity filling, foundation pit backfilling, and roadbed reinforcement, requiring high stability of raw materials. However, engineering waste itself exhibits significant heterogeneity; its moisture content fluctuates greatly depending on its source, season, and construction process. Local areas often form a state where highly moist mud lumps, dry blocks, and mixed particles coexist, making it difficult to control the physical properties of the raw materials.

[0004] In existing processes, construction waste is usually simply piled up and dried, or mechanically stirred before being directly introduced into the slurry preparation stage. This approach has the following drawbacks: the drying process relies on natural conditions and is prone to a "dry surface, moist interior" phenomenon; there is a lack of effective means to break up and disassemble high-moisture clumps; internal moisture is difficult to dissipate; the drying efficiency is low; and it is difficult to fully homogenize different batches of construction waste with different moisture levels. These problems directly lead to uncontrollable initial moisture content and structural state of the construction waste entering the slurry preparation system, resulting in significant dispersion in the subsequent fluidized solidification soil in terms of water distribution, fluidity, setting time, and strength formation. This can easily lead to engineering risks such as slurry segregation, unstable pumping, and insufficient local strength, severely restricting the large-scale and stable application of construction waste in fluidized solidification soil systems.

[0005] Therefore, a structure is needed to solve the problem of poor quality of the subsequently produced fluidized solidified soil due to poor drying and homogenization effects in the existing process of preparing fluidized solidified soil from engineering waste. Summary of the Invention

[0006] Based on the above description, the present invention provides a drying and homogenization device for preparing fluidized solidified soil from engineering waste, so as to solve the problem that the quality of the subsequently produced fluidized solidified soil is poor due to poor drying and homogenization effects in the existing process of preparing fluidized solidified soil from engineering waste.

[0007] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: A drying and homogenization device for preparing fluidized solidified soil from engineering waste slag includes a support base and a drive unit disposed on the top of the support base. The top of the drive unit is provided with a vibration crushing structure, a first stirring section, a first drying section and a stirring and drying section. The stirring and drying section is provided with a discharge channel for the material stored inside to flow out. The drive unit is used to drive the vibration crushing structure to vibrate and drive the material flowing out of it to flow sequentially through the first stirring section, the first drying section, the stirring and drying section and the discharge channel.

[0008] The above technical solution involves a unified drive unit mounted on a support base, with a vibration crushing structure, a first mixing section, a first drying section, and a mixing-drying section sequentially integrated on top of the drive unit. This allows engineering waste soil to undergo crushing, homogenization, and multi-stage drying within the same equipment. The vibration crushing structure effectively breaks down large clumps in the soil, improving particle size uniformity. The first mixing section performs preliminary mixing and homogenization of the soil, reducing moisture content and compositional differences. The first drying section pre-dries the homogenized soil, rapidly reducing overall moisture content. The mixing-drying section simultaneously stirs the material during heating, preventing clumping and further improving drying uniformity. Finally, the material is continuously discharged through a discharge chute. This achieves continuous, high-efficiency, and low-energy-consumption treatment of engineering waste soil, significantly improving the drying and homogenization effect and ensuring the quality stability of the raw materials for fluidized solidified soil preparation. Based on the above technical solution, the present invention can be further improved as follows.

[0009] Furthermore, the driving unit includes a horizontally arranged driving circular plate that rotates along its vertical central axis. The top surface of the driving circular plate and the first stirring unit, the first drying unit, and the stirring-drying unit are sequentially arranged to form a first stirring chamber, a first drying chamber, and a stirring-drying chamber. The bottom surfaces of the first stirring chamber, the first drying chamber, and the stirring-drying chamber are all driving circular plates. The discharge ends of the first stirring unit and the first drying unit are close to the top surface of the driving circular plate. The driving circular plate located in the first stirring chamber is provided with a plurality of circumferentially distributed high driving blocks and a plurality of low driving blocks. The plurality of high driving blocks and low driving blocks periodically slide through the vibration crushing structure and drive the vibration crushing structure to perform operations.

[0010] Furthermore, the vibration crushing structure includes symmetrically arranged crushing tubes with their bottom ends maintained on the top sides of the high and low drive blocks. The crushing tubes are vertically arranged and connected to a feed hopper at their top. Symmetrically arranged guide groove blocks are fixedly connected to the crushing tubes near the bottom. A sliding connecting block that slides vertically is provided in the guide groove block. A drive wheel is rotatably connected between the two sliding connecting blocks on the same crushing tube. The high and low drive blocks are located on the rolling path of the drive wheel. A screening section with its bottom surface abutting against the drive wheel and capable of sliding vertically is provided inside the crushing tube.

[0011] Furthermore, the screening section includes screening cylinders distributed vertically and whose outer walls abut against the inner wall of the crushing pipe. Several waist-shaped grooves are opened through the inner bottom surface of the screening cylinders, and the length directions of the waist-shaped grooves in the two screening cylinders are perpendicular to each other. The top openings of some of the waist-shaped grooves are chamfered. A guide connecting pipe is fixedly connected between the two screening cylinders. Two springs distributed vertically are sleeved on the guide connecting pipe. A circular screen plate with a diameter smaller than the crushing pipe is horizontally set on the guide connecting pipe between the two springs. Several circular holes distributed circumferentially are opened through the end face of the circular screen plate, and the top openings of the several circular holes are chamfered.

[0012] Furthermore, the first stirring part includes a first annular tube, and a first annular discharge groove is provided between the first annular tube and the top surface of the driving circular plate. An inclined stirring plate is fixedly connected to the inner wall of the first annular tube, which is circumferentially distributed and whose bottom surface abuts against the driving circular plate.

[0013] Furthermore, the first drying section includes a second annular tube, and a second annular discharge groove is provided between the second annular tube and the top surface of the driving circular plate. An inclined annular drying component with its bottom side abutting against the top surface of the driving circular plate is fixedly connected to the bottom of the second annular tube. A plurality of circumferentially distributed arc-shaped discharge grooves are provided between the top of the inclined annular drying component and the top wall of the second annular discharge groove.

[0014] Furthermore, the stirring and drying section includes a third annular tube. The thickness of the driving circular plate located between the bottom end of the inclined annular drying component and the third annular tube is less than the thickness near the center of the driving circular plate. A supporting annular drying component with its top surface abutting against the bottom surface of the driving circular plate is fixedly connected to the bottom of the third annular tube. An arc-shaped support plate with its concave surface in contact with the outer wall of the third annular tube is fixedly connected to the outer side of the third annular tube. The arc-shaped support plate is fixedly connected to a support base. A first connecting rod is fixedly connected to the top surface of the arc-shaped support plate. A plurality of stirring rods arranged in an array along the length direction are fixedly connected to the bottom of the first connecting rod. The bottom of the stirring rod is close to the driving circular plate and its cross-sectional shape along its width direction is set to square. The edges of the stirring rod face the rotation direction of the driving circular plate.

[0015] Furthermore, the discharge channel is interconnected with the inner side of the third annular tube, and a partition plate for separating the discharge channel and the inner side of the third annular tube is detachably connected at the connection point. An inclined installation channel is fixedly connected to the inner bottom surface of the discharge channel, and a guide plate that is inclined and passes through the mixing and drying chamber and abuts against the outer wall of the second annular tube is detachably connected in the installation channel.

[0016] Furthermore, the support base includes a bottom support and a top support. A driving cavity is provided between the bottom support and the top support for a portion of the driving part to be inserted. The arc-shaped support plate is fixedly connected to the outer wall of the bottom support. The first connecting rod is fixedly connected to the second annular tube. A plurality of circumferentially distributed first connecting tubes are fixedly connected between the first annular tube and the second annular tube. A second connecting tube is fixedly connected to the inner wall of the first annular tube (19). A vertically arranged telescopic driving member and a limiting guide rod located on both sides of the telescopic driving member are fixedly connected to the second connecting tube. A connecting frame fixedly connected to two breaking tubes is fixedly connected to the top of the telescopic driving member. The connecting frame is sleeved on the two limiting guide rods and slidably connected to the limiting guide rods.

[0017] Furthermore, the bottom of the driving circular plate is fixedly connected to a rotating rod that is rotatably connected to the top support member, the bottom of the top support member is fixedly connected to a reducer that is pulsatorically connected to the rotating rod, the reducer is pulsatorically connected to a servo motor, and the bottom support member is fixedly connected to a plurality of circumferentially distributed third connecting pipes, the top of the third connecting pipes being rotatably connected to a support wheel that abuts against the bottom surface of the driving circular plate.

[0018] Compared with the prior art, the technical solution of this application has the following beneficial technical effects: This invention, by setting up a vibration crushing structure periodically driven by high and low driving blocks, enables engineering waste soil to achieve continuous vibration crushing and screening before entering the subsequent processing unit. This effectively breaks down large clumps, hardened structures, and local high-strength lumps in the waste soil, significantly improving the particle dispersion and particle size uniformity of the waste soil, and avoiding the impact of large particles on the subsequent mixing and drying effects.

[0019] 1. By setting up a screen section that can slide up and down inside the crushing pipe, and combining it with a double-layer screen cylinder with waist-shaped grooves of different directions and a circular screen plate structure, the slag can be screened in multiple directions and multiple paths during the crushing process, further reducing the agglomeration of fine materials and the inclusion of coarse materials, improving the consistency and reliability of crushing and screening, and reducing the risk of equipment blockage.

[0020] 2. The present invention sets up a first stirring section and a first drying section in sequence after the vibration crushing structure, so that the crushed slag can be pre-stirred and pre-dried before entering the deep drying process, effectively eliminating the differences in moisture content, density and composition distribution of slag from different sources, and providing uniform and stable material conditions for subsequent stirring and drying.

[0021] 3. The first mixing section adopts a structure that combines an inclined mixing plate with a drive circular plate, so that the slag is continuously subjected to tumbling and shearing action during the circumferential flow, thereby improving the uniformity of material mixing, avoiding the problem of local wet or dry material accumulation, and contributing to the improvement of overall drying efficiency.

[0022] 4. The first drying section uses inclined annular drying components and circumferentially distributed arc-shaped discharge troughs to disperse and spread the slag during the drying process, and allow it to flow continuously in the circumferential direction. This increases the heating area, extends the effective heating time, rapidly reduces the overall moisture content of the material, and reduces the energy consumption burden of the deep drying stage.

[0023] 5. While heating the slag and soil, the mixing and drying section continuously mixes and breaks up the material through an array of mixing rods with specific cross-sectional shapes. This effectively prevents the slag and soil from sticking, clumping, or bridging in a high-temperature or semi-dry state, making the drying process more thorough and uniform.

[0024] 6. The stirring rod adopts a square cross-section and is set with its edges facing the direction of rotation of the driving circular plate, so that it can generate a stronger cutting and disturbance effect on the slag and soil during the stirring process, further improving the looseness and drying consistency of the material, which is conducive to obtaining an ideal material state that is more suitable for the preparation of fluidized solidified soil.

[0025] 7. By unifying the vibration crushing, mixing and homogenizing and multi-stage drying structures under the same drive circular plate drive system, a continuous processing flow of engineering waste soil from feeding, crushing, homogenizing to discharge is realized, reducing manual intervention and intermediate transfer links, and improving overall processing efficiency and automation level.

[0026] 8. By setting up a discharge channel connected to the mixing and drying chamber and a detachable guide plate structure, the processed slag can be discharged stably and controllably, which facilitates direct connection with subsequent fluidized solidified soil preparation equipment, thereby improving the operational stability and process integration of the entire production line.

[0027] 9. The present invention has a compact overall structure and high functional integration, and can complete the efficient treatment of engineering waste soil in a limited space. It not only significantly improves the quality stability of fluidized solidified soil raw materials, but also effectively reduces equipment energy consumption, operating risks and maintenance costs. It has good engineering adaptability and promotion and application value. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 for Figure 1 Enlarged view of point B in the middle; Figure 4 This is a vertical sectional view of the present invention along its central axis; Figure 5 for Figure 4 Enlarged view of point C in the middle; Figure 6 for Figure 4 Enlarged view at point D; Figure 7 This is a schematic diagram of the overall structure of the present invention. Figure 2 ; Figure 8 for Figure 7 Enlarged view of point E in the middle.

[0029] Reference numerals: 1. Discharge channel; 2. Drive circular plate; 3. First stirring chamber; 4. First drying chamber; 5. Stirring and drying chamber; 6. High drive block; 7. Low drive block; 8. Crushing pipe; 9. Feed hopper; 10. Guide trough block; 11. Sliding connecting block; 12. Drive wheel; 13. Screen cylinder; 14. Waist-shaped groove; 15. Guide connecting pipe; 16. Spring; 17. Circular screen plate; 18. Circular hole; 19. First annular pipe; 20. First annular discharge trough; 21. Inclined stirring plate; 22. Second annular pipe; 23. Second annular discharge trough; 24. 25. Inclined annular drying component; 26. Arc-shaped discharge chute; 27. Third annular pipe; 28. Supporting annular drying component; 29. ​​Arc-shaped support plate; 30. First connecting rod; 31. Stirring rod; 32. Partition plate; 33. Installation channel; 34. Guide inclined plate; 35. Bottom support component; 36. Top support component; 37. Drive cavity; 38. First connecting pipe; 39. Second connecting pipe; 40. Telescopic drive component; 41. Limiting guide rod; 42. Connecting frame; 43. Rotating rod; 44. Reducer; 45. Servo motor; 46. Third connecting pipe; 47. Support wheel. Detailed Implementation

[0030] To facilitate understanding of this application, it will now be described more fully with reference to the accompanying drawings, which illustrate embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of this application.

[0032] A drying and homogenization device for preparing fluidized solidified soil from engineering waste, such as... Figure 1 and Figure 2 As shown, the structure includes a support base and a drive unit located on top of the support base. The support base provides stable support and limits the overall structure, ensuring it remains in a stable position and performs its functions. The drive unit has a vibratory crushing structure, a first stirring section, a first drying section, and a stirring-drying section on top. The stirring-drying section has a discharge channel 1 for the material stored inside to flow out. The vibratory crusher uses vibration to crush the material, reducing the agglomeration of the waste soil and facilitating subsequent stable drying and homogenization. The first drying section performs preliminary drying of the waste soil, reducing its moisture content. The stirring-drying section simultaneously dries and stirs the waste soil, making it more uniform and ensuring better mixing. This reduces the moisture content and ensures a more uniform mixing degree, resulting in higher quality fluidized solidified soil produced later. Okay, the drive unit is used to drive the vibratory crushing structure to vibrate and drive the material flowing out of it to flow sequentially through the first mixing unit, the first drying unit, the mixing and drying unit, and the discharge channel 1. Under the action of the drive unit, the vibratory crushing structure, the first mixing unit, the first drying unit, and the mixing and drying unit are stably driven, so that the waste soil can be processed sequentially through the vibratory crushing structure, the first mixing unit, the first drying unit, and the mixing and drying unit and fed into the feeding channel. With the guidance and transportation function of the feeding channel, the waste soil fed into the structure can be stably discharged after being processed, which is convenient for subsequent use and processing. At the same time, with the drive unit, the structure as a whole does not need to set too many power sources to achieve the drying, mixing and homogenization of waste soil. The overall structure is compact and highly integrated, and can complete the efficient processing of engineering waste soil in a limited space. It not only significantly improves the quality stability of fluidized solidified soil raw materials, but also effectively reduces equipment energy consumption, operating risks and maintenance costs, and has good engineering adaptability and promotion and application value.

[0033] like Figure 1 and Figure 2As shown, the driving unit includes a horizontally arranged driving circular plate 2 that rotates along its vertical central axis. The driving circular plate 2 is made of steel. A first stirring chamber 3, a first drying chamber 4, and a stirring-drying chamber 5 are sequentially arranged between the top surface of the driving circular plate 2 and the first stirring unit, the first drying unit, and the stirring-drying unit. The bottom surfaces of the first stirring chamber 3, the first drying chamber 4, and the stirring-drying chamber 5 are all the driving circular plate 2. This arrangement ensures that the driving force generated by the driving circular plate 2 during the driving process can be stably applied to the waste slag stored in the first stirring chamber 3, the first drying chamber 4, and the stirring-drying chamber 5, forming the first stirring chamber 3 and the first drying chamber 5. The mixing and drying chambers 4 and 5 are used to receive and temporarily store waste soil during the processing. This allows the waste soil to flow steadily from the bottom of the self-vibrating crushing structure through the first mixing chamber 3, the first drying chamber 4, and the mixing and drying chamber 5. This ensures the overall structure can stably perform crushing, feeding, drying, mixing, and homogenization of the waste soil. The discharge ends of the first mixing section and the first drying section are close to the top surface of the driving circular plate. Using the centrifugal force generated during the rotation of the driving circular plate 2, the crushed and gradually dried waste soil can steadily move from the middle position of the driving circular plate 2 to a position near its edge, achieving the desired process. The process of gradually moving from the first mixing chamber 3 to the mixing and drying chamber 5 achieves stable feeding of waste soil during the processing, ensuring that subsequent waste soil can stably enter the mixing and drying chamber 5 and be stably used. The driving circular plate 2 located in the first mixing chamber 3 is equipped with several circumferentially distributed high driving blocks 6 and several low driving blocks 7. These high driving blocks 6 and low driving blocks 7 periodically slide through the vibrating crushing structure and drive it to perform operations. Both the high driving blocks 6 and low driving blocks 7 are made of steel and are fixed to the driving circular plate 2 by welding. The cross-sectional shape of the high driving block 6 is triangular and oblique. The bottom of the plane containing the lower drive block 7 is flush with the top surface of the drive circular plate 2. The cross-sectional shape along the width direction of the lower drive block 7 is set as an isosceles trapezoid, and the bottom of the plane containing the waist is flush with the top surface of the drive circular plate 2. The spacing between adjacent lower drive blocks 7 and between lower drive blocks 7 and higher drive blocks 6 is greater than zero. This setting allows the lower drive blocks 7 and higher drive blocks 6 to form a stable height difference structure with the top surface of the drive circular plate 2. The height difference formed and the vibration crushing structure work together to achieve stable driving of the vibration crushing structure, ensuring that the vibration crushing structure can stably achieve its vibration and crushing treatment of waste soil.

[0034] like Figures 1-5As shown, the vibratory crushing structure includes symmetrically arranged crushing pipes 8 whose bottom ends are maintained on the top sides of the high drive block 6 and the low drive block 7. The crushing pipes 8 are made of steel, and this arrangement avoids interference and jamming between the high drive block 6 and the low drive block 7 and the crushing pipe 8 during their movement, ensuring that the high drive block 6 and the low drive block 7 can stably drive the vibratory crushing structure. The crushing pipes 8 are vertically arranged and connected to a feed hopper 9 at the top. The feed hopper 9 is made of steel and fixed to the crushing pipe 8 by welding. The feed hopper 9 is used to facilitate the feeding of waste soil into the crushing pipe 8, which can be achieved by using an inclined conveyor belt. The conveyor directly delivers unprocessed waste soil into the crushing pipe 8. Two vibrating crushing pipes 8 are provided, allowing users to feed two different types of waste soil into the structure via these two pipes. The structure itself facilitates mixing and homogenization of the waste soil. Simultaneously, the two-end feeding allows for faster delivery of unprocessed waste soil into the structure. Symmetrically arranged guide slots 10 are welded to the bottom of the crushing pipe 8. A through-slot for the guide slots 10 is cut near the bottom of the crushing pipe 8. The guide slots 10 are U-shaped and made of steel. The opening faces upwards, and the guide groove 10 is equipped with a sliding connecting block 11 that slides vertically. The sliding connecting block 11 is made of steel, and the guide groove 10 has a groove for the sliding connecting block 11 to slide. The guide groove 10 restricts the sliding connecting block 11 to achieve stable guidance and limiting of the sliding process, ensuring that the sliding connecting block 11 can stably slide vertically back and forth along the guide groove 10. Two sliding connecting blocks 11 on the same crushing pipe 8 are rotatably connected by a drive wheel 12. The drive wheel 12 and the sliding connecting block 11 are rotatably connected by a shaft hole. The high drive block 6 and the low drive block 7 are in the driving position. On the rolling path of wheel 12, the drive wheel 12 is made of steel. During its rolling process, under the lifting action of the high drive block 6 and the low drive block 7, the drive wheel 12 achieves reciprocating sliding and vibration in the vertical direction. The crushing pipe 8 is provided with a screening section whose bottom surface abuts against the drive wheel 12 and can slide vertically. The bottom surface of the screening section abuts against the top surface of the drive wheel 12. During the sliding and vibration process, the drive wheel 12 will bring the screening section abutting against its top to reciprocate sliding and vibration in the vertical direction. With the help of vibration, the screening section can achieve vibration crushing and screening of the clumps of soil in the waste slag, reducing the impact of soil clumps on the overall homogeneity of the waste slag.

[0035] like Figures 1-5As shown, the screening section includes screening cylinders 13 distributed vertically, with their outer walls abutting against the inner wall of the crushing pipe 8. Several waist-shaped grooves 14 are formed through the inner bottom surface of each screening cylinder 13, and the length directions of the waist-shaped grooves 14 in two screening cylinders 13 are perpendicular to each other. This arrangement reduces the amount of waste soil falling directly over the bottom waist-shaped groove 14 from the top waist-shaped groove 14, allowing the two screening cylinders 13 to better temporarily receive the waste soil and perform vibratory screening. Some of the top openings of the waist-shaped grooves 14 are chamfered to facilitate the falling of waste soil into the waist-shaped grooves 14. A guide is fixedly connected between the two screening cylinders 13. The connecting pipe 15, the screen cylinder 13, and the guide connecting pipe 15 are all made of steel and fixed by welding. The guide connecting pipe 15 connects to and limits the screen cylinder 13 while reducing the overall weight of the screening section. The abutment between the wall of the screen cylinder 13 and the wall of the crushing pipe 8 reduces the amount of waste soil that overflows the screening section from the contact point between the screen cylinder 13 and the crushing pipe 8, allowing the waste soil to be better fed into the screening section and stably crushed by vibration. The top opening of the screen cylinder 13 has an annular chamfer, which allows waste soil falling at this point to be better fed into the screen cylinder 13. Two screens are provided. The material cylinder 13 can perform multiple vibration crushing and screening of waste slag. Two springs 16 are fitted onto the guide connecting pipe 15, arranged vertically. A horizontally positioned circular screen plate 17 with a diameter smaller than the crushing pipe 8 is fitted onto the guide connecting pipe 15 between the two springs 16. Several circumferentially distributed circular holes 18 are perforated on the end face of the circular screen plate 17. The top openings of the circular holes 18 are all chamfered. The circular screen plate 17 is made of steel. The springs 16 are made of steel and are fixed to the circular screen plate 17 by welding on the side closest to it. The other end of the spring 16 is... The screening cylinders 13 are fixed together by welding. An annular gap is formed between the circular screen plate 17 and the wall of the crushing pipe 8 to allow waste slag to pass through. This setting allows some waste slag to pass through the circular screen plate 17 through the formed annular gap, avoiding the circular screen plate 17 from excessively hindering the falling speed of the waste slag. During the vibration process, the screening cylinders 13 and the guide connecting pipe 15 will drive the spring 16 and the circular screen plate 17 to vibrate. In turn, the vibration of the circular screen plate 17 will be used to achieve the vibration crushing treatment of the waste slag that temporarily falls to its top, thereby further enhancing the overall vibration crushing effect of the vibration crushing structure.

[0036] like Figures 1-6As shown, the first mixing section includes a first annular pipe 19, which is made of steel. A first annular discharge trough 20 is provided between the first annular pipe 19 and the top surface of the driving circular plate 2. An inclined mixing plate 21, which is circumferentially distributed and whose bottom surface abuts against the driving circular plate 2, is fixedly connected to the inner wall of the first annular pipe 19 by welding. The inclined mixing plate 21 is also made of steel. The first annular discharge trough 20 allows waste soil to pass through the first annular pipe 19 and enter the first drying section. Furthermore, the first annular discharge trough 20 can also block and screen soil clumps, reducing the amount of large, agglomerated soil clumps entering the first drying section. This allows the first drying section to achieve more stable drying of the waste soil, ensuring that some larger soil clumps are blocked inside the first annular pipe 19. Under the influence of centrifugal force, the soil clods will adhere to the inner wall of the first annular pipe 19. Under the action of the inclined mixing plate 21, some of the soil clods can be squeezed and crushed. At the same time, during the movement, the waste slag will be turned up by the guidance of the inclined mixing plate 21 and fall back under the action of its own gravity, so that the waste slag is in a state of movement speed. Through the speed difference, the different waste slags can be stirred and mixed, resulting in better mixing and homogenization of the waste slag. At the same time, the inclined mixing plate 21 can be made of steel with magnetic attraction effect, so that the inclined mixing plate 21 can adsorb impurities such as iron wire, further reducing the proportion of impurities contained in the waste slag. The adsorbed impurities can be cleaned out of the equipment along with large clumps of soil during the later cleaning and maintenance of the equipment.

[0037] like Figures 1-6As shown, the first drying section includes a second annular tube 22. A second annular discharge trough 23 is provided between the second annular tube 22 and the top surface of the driving circular plate 2. The second annular discharge trough 23 is used to allow waste slag to pass through the second annular tube 22 and enter the mixing and drying chamber 5. An inclined annular drying component 24 with its bottom side abutting against the top surface of the driving circular plate 2 is fixedly connected to the bottom of the second annular tube 22. Several circumferentially distributed arc-shaped discharge troughs 25 are provided between the top of the inclined annular drying component 24 and the top wall of the second annular discharge trough 23. The inclination angle of the inclined annular drying component 24 is 20°. This setting avoids the waste slag from being unable to pass through the inclined annular drying component 24 due to an excessively large inclination angle. The inclined annular drying component 24 is a hollow steel structure. The shell of the inclined annular drying component 24 is formed by welding steel plates. Heating wires are arranged inside the inclined annular drying component 24. Electrical energy is converted into heat to heat the shell of the inclined annular dryer 24. Under the conduction of the inclined annular dryer 24, the heat is transferred to the waste soil on its top surface, realizing the stable drying of the waste soil by the inclined annular dryer 24. The top of the inclined annular dryer 24 is fixedly connected with circumferentially distributed connecting columns by welding. The connecting columns separate the inclined annular dryer 24 from the annular groove formed by the second annular tube 22 to form the arc-shaped discharge chute 25 mentioned above. Under the action of centrifugal force, the waste soil will move to the inclined surface of the inclined annular dryer 24. During this process, the waste soil will also be subjected to the work of its own gravity along the downward component of the inclined surface of the inclined annular dryer 24, so that the inclined annular dryer 24 stays on the surface of the inclined annular dryer 24 for a longer time, so that the inclined annular dryer 24 can better realize the stable drying of the waste soil passing through it.

[0038] like Figures 1-6As shown, the stirring and drying section includes a third annular tube 26, which is made of steel. The thickness of the driving circular plate 2, located between the bottom end of the inclined annular drying component 24 and the third annular tube 26, is less than the thickness near the center of the driving circular plate 2. This arrangement makes the thickness of the driving circular plate 2 between the third annular tube 26 and the second annular tube 22 thinner, ensuring that subsequent heat can better penetrate the driving circular plate 2 to dry the waste slag. The bottom of the third annular tube 26 is fixedly connected to a supporting annular drying component whose top surface abuts against the bottom surface of the driving circular plate 2 by welding. 27. The hollow interior of the supporting annular drying component 27 is formed by welding metal plates. Heating wires are arranged inside the supporting annular drying component 27, converting electrical energy into heat to achieve the overall heating effect of the supporting annular drying component 27. The heat generated by the supporting annular drying component 27 heats the driving circular plate 2, thereby achieving stable heating and drying of the waste slag falling into the mixing and drying chamber 5. Simultaneously, the third annular tube 26 and the supporting annular drying component 27 also provide stable guidance and limit the rotation of the driving circular plate 2, ensuring the stability of the rotation. The rotation and driving process of the shaped plate 2 is more stable. A circumferentially distributed arc-shaped support plate 28 with its concave surface fitting against the outer wall of the third annular tube 26 is fixedly connected to the outer side of the third annular tube 26. The arc-shaped support plate 28 is made of steel and is fixedly connected to the support base by welding. A first connecting rod 29 is fixedly connected to the top surface of the arc-shaped support plate 28 by bolts. The first connecting rod 29 is made of steel. Several stirring rods 30 arranged in an array along its length are fixedly connected to the bottom of the first connecting rod 29 by welding. The stirring rods 30 are set... Made of steel, the bottom of the stirring rod 30 is close to the driving circular plate 2 and its cross-sectional shape along its width is set as a square. The edge of the stirring rod 30 faces the rotation direction of the driving circular plate 2. During the rotation of the driving circular plate 2, it will drive the waste soil on its top to move relative to the stirring rod 30. During this process, the stirring rod 30 will penetrate into the waste soil and realize the stirring of the waste soil, realizing the turning of the waste soil, so that the waste soil at the bottom and the waste soil at the top are mixed, ensuring that the heat generated by the supporting annular drying component 27 can better realize the heating and drying treatment of the waste soil.

[0039] like Figures 1-6As shown, the inner side of the discharge channel 1 and the inner side of the third annular pipe 26 are interconnected, and a partition plate 31 for separating the inner side of the discharge channel 1 and the inner side of the third annular pipe 26 is detachably connected at the connection point. The partition plate 31 is made of steel and is an arc-shaped plate. Symmetrically arranged plug-in strips are fixedly connected to both sides of the partition plate 31 by welding. The third annular pipe 26 has a plug-in groove for the plug-in strip to pass through vertically. The partition plate 31 and the third annular pipe 26 are detachably connected by the joint action of the plug-in strip and the plug-in groove, so that the user can install and remove the partition plate 31 as needed. An inclined installation channel 32 is fixedly connected to the inner bottom surface of the discharge channel 1. The installation channel 32 is made of steel and is fixed to the discharge channel 1 by welding. A guide plate 33 is detachably connected inside the installation channel 32, which is inclined to pass into the mixing and drying chamber 5 and abuts against the outer wall of the second annular pipe 22. The installation channel 32 and The discharge channel 1 is surrounded by an installation groove with a top opening and a T-shaped cross-section. The bottom of the guide plate 33 is fixedly connected to a T-shaped installation strip that slides in the installation groove by welding. The length of the T-shaped installation strip is less than the length of the guide plate. This setting makes the disassembly and installation of the guide plate and the installation channel 32 more convenient. An arc groove is provided at the contact point between the guide plate and the second annular tube 22. After the partition plate 31 is removed, the guide plate can be installed in the installation channel 32 and ensure that the guide plate is in contact with the outer wall of the second annular tube 22. When the drive circular plate 2 moves the waste slag, it will contact the guide plate and enter the discharge channel 1 under the guidance of the guide plate, so that the waste slag can be taken out from the inside of the structure through the discharge channel. In order to ensure the stability of the position of the guide plate, it can be tightened with bolts or other heavy objects to prevent the guide plate from sliding.

[0040] like Figures 1-6As shown, the support base includes a bottom support 34 and a top support 35. The bottom support plate and the top support 35 are formed by cutting and welding steel pipes, steel plates, etc. A driving cavity 36 is provided between the bottom support 34 and the top support 35 for inserting part of the driving unit structure. The arc-shaped support plate 28 is fixedly connected to the outer wall of the bottom support 34 by welding. The first connecting rod 29 is fixedly connected to the second annular tube 22 by welding. A plurality of circumferentially distributed first connecting pipes 37 are fixedly connected between the first annular tube 19 and the second annular tube 22 by welding. The first connecting pipes 37 are made of steel. The inner wall of the first annular tube 19 has... A second connecting pipe 38 is fixedly connected by welding. A rotating support rod is fixedly connected to the top of the second connecting pipe 38 by welding. The bottom of the rotating support rod abuts against the top surface of the driving circular plate 2 and is fitted with a rotating pipe that is fixedly connected to the driving circular plate 2 by welding. The rotating pipe and the rotating support rod work together to achieve a rotating connection between the second connecting pipe 38 and the driving circular plate 2, so that the driving circular plate 2 can stably support and limit the second connecting pipe 38, ensuring that the position of the second support pipe and its supporting and limiting functions are more stable. The second connecting pipe 38 is fixed by bolts. The device is connected to a vertically arranged telescopic drive component 39 and limit guide rods 40 on both sides of the telescopic drive component 39. The telescopic drive component 39 is an electric telescopic cylinder with good dustproof performance. The top of the telescopic drive component 39 is fixedly connected to a connecting frame 41 that is fixedly connected to two breaking pipes 8 by welding. The connecting frame 41 is formed by cutting and welding steel. The connecting component is fixed to the breaking pipe by welding. The connecting frame 41 is sleeved on the two limit guide rods 40 and is slidably connected to the limit guide rods 40. When the telescopic drive component 39 is at the bottom of its telescopic stroke, the bottom surface of the breaking pipe 8 is higher than the drive block 6. The connection between the limit guide rods 40 and the connecting frame 41 is achieved through the connection between the limit guide rods 40 and the connecting frame 41. The sliding connection provides stable guidance and limiting for the telescopic drive component 39 during its driving process, ensuring that the telescopic drive component 39 can stably drive the connecting frame 41 to reciprocate vertically. In the process of driving the circular plate 2 to rotate rapidly and quickly discharge the material above it, in order to avoid excessive damage to the vibratory crushing structure, the telescopic drive component 39 can be driven to lift the vibratory crushing structure and make the drive wheel 12 disengage from the state that can contact the high drive block 6 and the low drive block 7. This ensures that the overall structure can stably feed waste slag while also providing stable protection for the vibratory crushing structure, thus ensuring better overall stability and service life of the structure.

[0041] like Figures 1-8As shown, a rotating rod 42, which is rotatably connected to the top support 35, is fixedly connected to the bottom of the driving circular plate 2 by welding. The rotating rod 42 and the top support 35 are rotatably connected by a shaft hole. A reducer 43, which is transmitted to the rotating rod 42, is fixedly connected to the bottom of the top support 35 by bolts. A servo motor 44 is transmitted to the reducer 43. The reducer converts the torque of the servo motor 44 during its drive, thereby driving the rotating rod 42 to rotate. During the rotation of the rotating rod 42, it drives the driving circular plate fixedly connected to it. 2. Rotation is performed to achieve stable driving of the driving circular plate 2. Several circumferentially distributed third connecting pipes 45 are fixedly connected to the bottom support 34 by welding. The third connecting pipes 45 are made of steel. The top of the third connecting pipes 45 is rotatably connected to the support wheel 46, which abuts against the bottom surface of the driving circular plate 2, through shaft hole cooperation. The support wheel 46 is also made of steel. With the joint action of the third connecting pipes 45 and the support wheel 46, the driving circular plate 2 is stably supported and limited in position, ensuring that the rotation of the driving circular plate 2 and the overall driving structure are more stable.

[0042] Working Principle: Waste material is conveyed into the crushing tube 8 via a conveyor belt. The servo motor 44 is activated, energizing the area with the heating wire. Power is output from the servo motor 44 via the reducer 43, driving the rotating rod 42 and the drive circular plate 2 fixedly connected to it to rotate continuously around the vertical central axis. During rotation, the drive circular plate 2 serves as the support and feeding base for each functional cavity, and through the high drive block 6 and low drive block 7 on its surface, it periodically drives the vibratory crushing structure, causing the drive wheel 12 and the screening section inside the crushing tube 8 to vibrate and reciprocate. This vibratory crushing and screening of the engineering waste entering the crushing tube 8 reduces agglomeration and achieves preliminary mixing. After vibration crushing, the waste material gradually moves from the center of the drive circular plate 2 to the outer edge under centrifugal force, entering the first mixing chamber 3. Under the guidance, tumbling, and squeezing action of the inclined mixing plate 21, it undergoes further stirring, mixing, and refinement. Large, insufficiently crushed clods are blocked and secondary-treated through the first annular discharge chute 20. Subsequently, the material passes through the second annular discharge chute... Pipe 22 enters the first drying chamber 4. Under the combined action of the heat generated by the heating wire inside the inclined annular drying element 24 and the inclined structure, the waste slag stays on the heated surface for a longer time, achieving stable and uniform preliminary drying. After preliminary drying, the waste slag continues to enter the mixing and drying chamber 5 under the propulsion of centrifugal force. Through the heating conduction of the driving circular plate 2 by the supporting annular drying element 27 and the forced turning action of the stirring rod 30, the material is fully mixed and uniformly heated, thereby completing deep drying and homogenization during the mixing process, ultimately turning the waste slag into a dryer. The moisture content and particle size of the waste soil are more uniform. After processing, the waste soil enters the discharge channel 1 and is stably discharged under the guidance of the drive circular plate 2 and the guide inclined plate 33. When rapid discharge is required, the vibrating crushing structure can be lifted by the telescopic drive component 39 to remove it from the drive path of the drive circular plate 2, so as to achieve rapid discharge or protect the vibrating crushing structure. Thus, the entire process of crushing, feeding, mixing, drying and homogenizing waste soil is completed under the action of a single drive source, ensuring stable operation of the device, low energy consumption and high processing efficiency.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A dry homogenizing device for preparing fluidized solidified soil from engineering waste slag, comprising a supporting base and a driving part arranged on the top of the supporting base, characterized in that: The top of the driving part is provided with a vibrating crushing structure, a first stirring part, a first drying part and a stirring and drying part, and the stirring and drying part is provided with a discharging channel (1) for discharging materials stored in the stirring and drying part, and the driving part is used to drive the vibrating crushing structure to vibrate and drive the materials discharged from the vibrating crushing structure to flow through the first stirring part, the first drying part, the stirring and drying part and the discharging channel (1) in sequence.

2. The dry homogenizing device for producing fluidified solidified soil from engineering waste slag according to claim 1, characterized in that, The driving part comprises a driving circular plate (2) horizontally arranged and rotating along the vertical central axis thereof, and the top surface of the driving circular plate (2) is sequentially surrounded by a first stirring cavity (3), a first drying cavity (4) and a stirring and drying cavity (5) between the first stirring part, the first drying part and the stirring and drying part, the bottom surfaces of the first stirring cavity (3), the first drying cavity (4) and the stirring and drying cavity (5) are all the driving circular plate (2), the discharging ends of the first stirring part and the first drying part are both close to the top surface of the driving circular plate, and the driving circular plate (2) in the first stirring cavity (3) is provided with a plurality of high driving blocks (6) and a plurality of low driving blocks (7) distributed in the circumferential direction, and the plurality of high driving blocks (6) and low driving blocks (7) periodically slide through the vibrating crushing structure and drive the vibrating crushing structure to work.

3. The dry homogenizing apparatus for producing fluidified solidified soil from engineering waste slag according to claim 2, wherein The vibrating crushing structure comprises crushing pipes (8) symmetrically arranged and with bottom ends maintained at the top sides of the high driving blocks (6) and the low driving blocks (7), the crushing pipes (8) are vertically arranged and the top portions of the crushing pipes (8) are communicated with feeding hoppers (9), the crushing pipes (8) close to the bottom portions are fixedly connected with symmetrically arranged guide groove blocks (10), the guide groove blocks (10) are provided with sliding connection blocks (11) sliding in the vertical direction, driving wheels (12) are rotationally connected between two sliding connection blocks (11) on the same crushing pipe (8), the high driving blocks (6) and the low driving blocks (7) are in the rolling path of the driving wheels (12), and the crushing pipes (8) are provided with screening parts abutting against the driving wheels (12) and sliding in the vertical direction.

4. The dry homogenizing apparatus for producing fluidified solidified soil from engineering waste slag according to claim 3, wherein The screening part comprises screening cylinders (13) vertically arranged and abutting against the inner walls of the crushing pipes (8), the inner bottom surfaces of the screening cylinders (13) are provided with a plurality of waist-shaped grooves (14) penetratingly formed and the length directions of the waist-shaped grooves (14) in the two screening cylinders (13) are perpendicular to each other, the top openings of part of the waist-shaped grooves (14) are all provided with chamfers, guide connecting pipes (15) are fixedly connected between the two screening cylinders (13), the guide connecting pipes (15) are sleeved with two springs (16) vertically arranged, the guide connecting pipes (15) between the two springs (16) are sleeved with a circular screen plate (17) horizontally arranged and smaller in diameter than the crushing pipes (8), the end surfaces of the circular screen plate (17) are provided with a plurality of circular holes (18) penetratingly formed and distributed in the circumferential direction, and the top openings of the plurality of circular holes (18) are all provided with chamfers.

5. The dry homogenizing device for producing fluidified solidified soil from engineered waste soils according to claim 1, characterized in that, The first stirring part comprises a first annular tube (19) which is surrounded by a first annular discharge groove (20) between the top surface of the driving circular plate (2), and the inner wall of the first annular tube (19) is fixedly connected with circumferentially distributed and bottom-surface-against-the-driving-circular-plate (2) inclined stirring plates (21).

6. The dry homogenizing apparatus for producing fluidified solidified soil from engineered waste soil sludge according to claim 1, wherein The first drying part comprises a second annular tube (22) which is surrounded by a second annular discharge groove (23) between the top surface of the driving circular plate (2), and the bottom of the second annular tube (22) is fixedly connected with a bottom-side-against-the-top-surface-of-the-driving-circular-plate (2) inclined annular drying piece (24), and the top end of the inclined annular drying piece (24) is surrounded by circumferentially distributed arc-shaped discharge grooves (25) between the top wall of the second annular discharge groove (23).

7. The dry homogenizing apparatus for producing fluidified solidified soil from engineering waste sludge according to claim 6, wherein The stirring and drying part comprises a third annular tube (26), and the thickness of the driving circular plate (2) between the bottom end of the inclined annular drying piece (24) and the third annular tube (26) is less than the thickness near the center of the driving circular plate (2), the bottom of the third annular tube (26) is fixedly connected with a top-surface-against-the-bottom-surface-of-the-driving-circular-plate (2) supporting annular drying piece (27), the outer side of the third annular tube (26) is fixedly connected with circumferentially distributed and concave-against-the-outer-wall-of-the-third-annular-tube (26) arc-shaped supporting plates (28), the arc-shaped supporting plates (28) are fixedly connected with the supporting base, the top surface of the arc-shaped supporting plates (28) is fixedly connected with first connecting rods (29), the bottom of the first connecting rods (29) is fixedly connected with arrayed stirring rods (30) along the length direction of the first connecting rods (29), the bottom of the stirring rods (30) is near the driving circular plate (2) and the cross-sectional shape along the width direction of the stirring rods (30) is set as a square, and the edges of the stirring rods (30) are towards the rotation direction of the driving circular plate (2).

8. The dry homogenizing apparatus for producing fluidified solidified soil from engineered waste sludge according to claim 7, wherein The discharge groove (1) and the inner side of the third annular tube (26) are in communication with each other and the communication place is detachably connected with a partition plate (31) for partitioning the discharge groove (1) and the inner side of the third annular tube (26), the inner bottom surface of the discharge groove (1) is fixedly connected with an obliquely arranged mounting groove (32), and the mounting groove (32) is detachably connected with a guide material inclined plate (33) which obliquely penetrates into the stirring and drying cavity (5) and is against the outer wall of the second annular tube (22).

9. The dry homogenizing apparatus for producing fluidified solidified soil from engineered waste sludge according to claim 7, wherein The support base comprises a bottom support (34) and a top support (35), a driving cavity (36) is formed between the bottom support (34) and the top support (35) and is used for placing part structures of a driving part, the arc-shaped support plate (28) is fixedly connected with the outer wall of the bottom support (34), the first connecting rod (29) is fixedly connected with the second annular tube (22), a plurality of first connecting tubes (37) are fixedly connected between the first annular tube (19) and the second annular tube (22) and are distributed in the circumferential direction, the inner wall of the first annular tube (19) is fixedly connected with a second connecting tube (38), the second connecting tube (38) is fixedly connected with a vertically arranged telescopic driving part (39) and limiting guide rods (40) located on both sides of the telescopic driving part (39), the top of the telescopic driving part (39) is fixedly connected with a connecting frame (41) fixedly connected with two crushing tubes (8), the connecting frame (41) is sleeved on the two limiting guide rods (40) and is in sliding connection with the limiting guide rods (40).

10. The dry homogenizing apparatus for producing fluidified solidified soil from engineered waste sludge according to claim 9, wherein The bottom of the driving circular plate (2) is fixedly connected with a rotating rod (42) in rotating connection with the top support (35), the bottom of the top support (35) is fixedly connected with a speed reducer (43) in transmission connection with the rotating rod (42), the speed reducer (43) is drivingly connected with a servo motor (44), the bottom support (34) is fixedly connected with a plurality of third connecting tubes (45) distributed in the circumferential direction, and the top of the third connecting tube (45) is rotatably connected with a support wheel (46) abutting against the bottom surface of the driving circular plate (2).

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