Oil absorption mixer based on oil-rich asphalt modifier

Abstract

The utility model discloses an oil absorption mixer based on an oil-rich asphalt modifier, which comprises a rack, a mixing tank is fixed on the rack, a feed pipe is arranged at the top of the mixing tank, a discharge pipe is arranged at the bottom of the mixing tank, a stirring rod capable of lifting is arranged at the top of the mixing tank, the stirring rod extends into the mixing tank, and the discharge pipe is arranged at the bottom of the mixing tank. Stirring blades are fixed on the periphery, positioned in the mixing tank, of the stirring rod, and a pair of scraping plates capable of relatively moving is arranged at the bottom end of the stirring rod. The white oil and the modified SBS elastomer are added into the mixing tank according to the ratio of 2: 1, the stirring rod in the mixing tank drives the stirring blades to rotate, the white oil and the modified SBS elastomer are fully mixed, the pair of scrapers is arranged and can rotate to assist raw material mixing, part of oil in the white oil can be absorbed by the modified SBS elastomer in the stirring process, and after braising is conducted for several hours, the white oil and the modified SBS elastomer can be fully mixed. The residual grease is ensured to permeate into the modified SBS, so that the oil absorption operation can be completed, and after the mixing is completed, the mixed material is discharged through a discharge pipe.

Description

Technical Field

[0001] This utility model relates to the field of asphalt modifier preparation, and more particularly to the field of asphalt modifier raw material mixing, specifically an oil-absorbing mixer based on an oil-rich asphalt modifier. Background Technology

[0002] Asphalt modifiers are natural or synthetic organic or inorganic materials added to asphalt or asphalt mixtures. These substances can be melted or dispersed in the asphalt to improve or enhance its road performance. For example, to improve the mechanical properties of asphalt (strength and toughness, etc.), materials such as polymers, resins, plastics, carbon black, and inorganic salts are added to increase strength and toughness.

[0003] When preparing asphalt modifiers, the first step is to mix white oil and modified styrene-isostyrene (SBS) elastomer to remove oil. The modified SBS elastomer not only imparts high viscosity and high elasticity to the asphalt modifier but also absorbs oil from the white oil. When mixing, the two are usually added to the mixing tank in a 2:1 ratio. The mixing structure in the tank ensures thorough mixing. During the mixing process, the modified SBS elastomer absorbs some of the oil from the white oil. After letting it sit for 24 hours, the remaining oil can be ensured to penetrate into the modified SBS elastomer, thus completing the oil absorption process.

[0004] Existing mixing structures in mixing tanks typically use a drive source to rotate a mixing rod. The mixing rod is located on the outer surface of the mixing tank and has several sets of mixing blades. The rotation of the mixing blades helps to mix the two materials evenly. However, the mixing range of the mixing blades is fixed, and under the action of the mixing rod, the two materials will rotate in the same direction, which can easily lead to uneven mixing. This affects the mixing efficiency and degreasing efficiency, and thus delays the preparation time of the asphalt modifier. Summary of the Invention

[0005] To overcome the shortcomings of the prior art, this utility model provides an oil-absorbing mixer based on an oil-rich asphalt modifier. By setting the mixing blades horizontally and the scraper vertically, the two work together to improve the mixing effect and ensure thorough mixing. Furthermore, the mixing rod can move up and down, and by adjusting the height of the mixing blades and scraper, the mixing range of the mixing blades and scraper can be increased, further enhancing the mixing effect and improving the oil removal efficiency.

[0006] This invention provides an oil-absorbing mixing machine based on an oil-rich asphalt modifier, including a frame with a mixing tank fixed on the frame. The mixing tank has an inlet pipe at its top and an outlet pipe at its bottom. A vertically movable stirring rod is located at the top of the mixing tank, with one end extending into the tank. Stirring blades are fixed to the outer periphery of the stirring rod inside the tank. A pair of relatively movable scrapers are located at the bottom of the stirring rod. White oil and modified SBS elastomer in a 2:1 ratio are added to the mixing tank. The stirring rod drives the stirring blades to rotate, thoroughly mixing the two materials. The pair of scrapers, which can rotate, further assist in mixing. The modified SBS elastomer not only imparts high viscosity and elasticity to the asphalt modifier but also absorbs oil from the white oil.

[0007] As a further technical solution, the stirring blades are arranged laterally on the stirring rod, and the scraper is arranged longitudinally on the stirring rod. The cooperation between the stirring blades and the scraper helps to improve the stirring effect, ensures thorough mixing, reduces oil absorption time, and promotes the oil absorption process.

[0008] As a further technical solution, a lead screw is rotatably mounted on the frame via a bearing. A movable block is threadedly connected to the outer side of the lead screw. A slider is fixed to the right side of the movable block. A slide rail is fixed on the frame and slidably connected to the slider. An L-shaped mounting plate is fixed to the right side of the slider. The stirring rod is rotatably mounted inside the L-shaped mounting plate via a bearing. With the lead screw rotating, the movable block can drive the L-shaped mounting plate to move up and down through the guide slider and the slide rail, thus flexibly changing the height of the stirring rod.

[0009] As a further technical solution, a drive motor is fixed on the frame, and the output shaft of the drive motor is connected to a lead screw via a belt drive. When the drive motor is started, the lead screw can rotate under the transmission action of the belt drive.

[0010] As a further technical solution, a mounting rod located in front of the lead screw is fixed on the frame, and position sensors are fixed at both ends of the mounting rod. The position sensors sense the orientation of the guide slider, thereby limiting the highest and lowest points of the guide slider's movement.

[0011] As a further technical solution, a rotary motor is fixed on the L-shaped mounting plate, a drive gear is fixed to the output shaft of the rotary motor, and a driven gear that meshes with the drive gear is fixed to the outer side of the stirring rod. When the rotary motor is started, the stirring rod can rotate under the meshing transmission action of the drive gear and the driven gear.

[0012] As a further technical solution, a limiting chamber is fixed to the bottom end of the stirring rod. A pair of limiting blocks are fixed to the inner wall of the limiting chamber. Each of the two limiting blocks has a screw rotatably mounted within it via bearings. The outer sides of each screw are threadedly connected to threaded sleeves extending to the outside of the limiting chamber. The two threaded sleeves are respectively fixed to the opposite faces of the scrapers. A pair of limiting grooves are formed on the upper and lower inner walls of the limiting chamber. Limiting sliders, slidably connected to the limiting grooves, are fixed to the upper and lower sides of the two threaded sleeves. When the two screws rotate, guided by the limiting sliders and limiting grooves, the two threaded sleeves can move in opposite directions. By adjusting the distance between the pair of scrapers, the scrapers can be made to move in opposite directions and fit against the inner wall of the mixing tank. Then, the stirring rod drives the scrapers to rotate, scraping off the mixture adhering to the inner wall of the mixing tank, effectively reducing waste.

[0013] As a further technical solution, the top end of the stirring rod is rotatably connected to a drive rod via a bearing, with one end penetrating and extending into the limiting chamber. The bottom end of the drive rod is fixed with a driving bevel gear, and the opposing surfaces of the two screws are each fixed with a driven bevel gear that meshes with the driving bevel gear. By manually rotating the drive rod, the two screws can rotate simultaneously under the meshing transmission action of the driving and driven bevel gears.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model first adds white oil and modified SBS elastomer in a 2:1 ratio into a mixing tank. The stirring rod in the mixing tank drives the stirring blades to rotate, so as to fully mix the two. A pair of scrapers are provided to rotate and assist the mixing of raw materials. During the stirring process, the modified SBS elastomer will absorb some of the oil in the white oil. After a simmering period of 2 hours, the remaining oil is ensured to penetrate into the modified SBS, thus completing the oil absorption operation. The mixing is then completed and discharged through the discharge pipe.

[0015] By setting the stirring blades horizontally and the scraper vertically, the stirring blades and scraper work together to improve the stirring effect, ensure thorough mixing, reduce oil absorption time, and promote the oil absorption process. In addition, the stirring rod can move up and down, and by adjusting the height of the stirring blades and scraper, the stirring range of the stirring blades and scraper can be increased, further enhancing the stirring effect, improving mixing efficiency, and reducing simmering time.

[0016] After the mixture is discharged, the distance between the two scrapers can be adjusted so that the scrapers move in opposite directions and fit against the inner wall of the mixing tank. Then, the scrapers are rotated by the stirring rod, which can scrape off the mixture adhering to the inner wall of the mixing tank, effectively reducing waste. At the same time, the scraping range of the scrapers can be increased by changing the height of the scrapers, which can make the residual material on the inner wall of the mixing tank more thoroughly removed, further reducing the possibility of mixing waste. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this utility model. 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 structure of an oil-absorbing mixer based on an oil-rich asphalt modifier, provided for an embodiment of this utility model.

[0019] Figure 2 A cross-sectional view of the mixing tank of an oil-absorbing mixer based on an oil-rich asphalt modifier, provided for an embodiment of this utility model.

[0020] Figure 3 This is a schematic diagram of the connection structure of the screw and threaded sleeve of an oil-absorbing mixer based on an oil-rich asphalt modifier, provided for an embodiment of this utility model.

[0021] In the diagram: 1. Frame; 2. Mixing tank; 3. Feed pipe; 4. Discharge pipe; 5. Stirring rod; 6. Stirring blade; 7. Scraper; 8. Lead screw; 9. Movable block; 10. Guide slider; 11. Slide rail; 12. L-shaped mounting plate; 13. Drive motor; 14. Belt drive component; 15. Mounting rod; 16. Position sensor; 17. Rotary motor; 18. Drive gear; 19. Driven gear; 20. Limiting chamber; 21. Drive rod; 22. Driven bevel gear; 23. Limiting block; 24. Screw; 25. Threaded sleeve; 26. Limiting groove; 27. Limiting slider; 28. Driven bevel gear. Detailed Implementation

[0022] The terms “comprising” and “having”, and any variations thereof, in the specification, claims, and accompanying drawings of this utility model are intended to cover a non-exclusive inclusion, such as a process, method, system, product, or device that includes a series of steps or units, not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or devices.

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. In addition, the technical features of the various embodiments or individual embodiments provided by this utility model can be arbitrarily combined to form new technical solutions. Such combinations are not bound by the order of steps and / or structural composition patterns, but must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0024] Please see Figure 1-3 This utility model provides an oil-absorbing mixer based on an oil-rich asphalt modifier, including a frame 1, a mixing tank 2 fixed on the frame 1, a feed pipe 3 at the top of the mixing tank 2, a discharge pipe 4 at the bottom of the mixing tank 2, a stirring rod 5 extending into the mixing tank 2 and capable of rotating up and down at the top of the mixing tank 2, stirring blades 6 fixed on the outer periphery of the stirring rod 5 inside the mixing tank 2, and a pair of relatively movable scrapers 7 at the bottom end of the stirring rod 5.

[0025] When preparing oil-rich asphalt modifier, it is first necessary to stir and mix white oil and modified SBS elastomer. When using it, add white oil and modified SBS elastomer in a 2:1 ratio into mixing tank 2. The stirring rod 5 in mixing tank 2 drives the stirring blades 6 to rotate, so as to fully mix the two. A pair of scrapers 7 are also provided to rotate and assist in mixing the raw materials. Modified SBS elastomer not only gives the asphalt modifier high viscosity and high elasticity, but also absorbs the oil in white oil.

[0026] Furthermore, by setting the stirring blades 6 horizontally and the scraper 7 vertically, the scraper 7 can rotate simultaneously to mix the materials, which helps to improve the mixing effect, ensure thorough mixing, reduce oil absorption time, and promote the oil absorption process. By adjusting the height of the stirring blades 6 and the scraper 7, the mixing range of the stirring blades 6 and the scraper 7 is increased, further enhancing the mixing effect and improving the mixing efficiency.

[0027] Meanwhile, after the mixed material is discharged, the distance between the pair of scrapers 7 can be adjusted so that the scrapers 7 move in opposite directions and fit against the inner wall of the mixing tank 2. Then, the stirring rod 5 drives the scrapers 7 to rotate, which can scrape off the mixed material adhering to the inner wall of the mixing tank 2, effectively reducing waste. At the same time, the scraping range of the scrapers 7 can be increased by changing the height of the scrapers 7, which can make the residual material on the inner wall of the mixing tank 2 more thoroughly removed, further reducing the possibility of mixed material waste.

[0028] like Figure 1 As shown, regarding how the stirring rod 5 moves up and down, a lead screw 8 is rotatably mounted on the frame 1 via bearings. A movable block 9 is threadedly connected to the outer side of the lead screw 8. A guide slider 10 is fixed to the right side of the movable block 9. A slide rail 11 is fixed on the frame 1 and slidably connected to the guide slider 10. An L-shaped mounting plate 12 is fixed to the right side of the guide slider 10. The stirring rod 5 is rotatably mounted in the L-shaped mounting plate 12 via bearings. A drive motor 13 is fixed on the frame 1. The output shaft of the drive motor 13 is connected to the lead screw 8 via a belt drive 14. When the drive motor 13 is started, the lead screw 8 can rotate under the transmission action of the belt drive 14. Under the guidance of the guide slider 10 and the slide rail 11, the movable block 9 can drive the L-shaped mounting plate 12 to move up and down via the guide slider 10, thus flexibly changing the height of the stirring rod 5.

[0029] Furthermore, a mounting rod 15 located in front of the lead screw 8 is fixed on the frame 1. Position sensors 16 are fixed at both the upper and lower ends of the mounting rod 15. The position of the guide slider 10 can be sensed by the position sensors 16, thereby limiting the highest and lowest points of the guide slider 10's movement.

[0030] As for how the stirring rod 5 rotates, a rotary motor 17 is fixed on the L-shaped mounting plate 12. The output shaft of the rotary motor 17 is fixed with a drive gear 18. A driven gear 19 that meshes with the drive gear 18 is fixed on the outside of the stirring rod 5. When the rotary motor 17 is started, the stirring rod 5 can rotate under the meshing transmission action of the drive gear 18 and the driven gear 19.

[0031] like Figure 2As shown, a limiting chamber 20 is fixed to the bottom end of the stirring rod 5. A drive rod 21, which extends through and into the limiting chamber 20, is rotatably mounted on the top end of the stirring rod 5 via a bearing. An active bevel tooth 22 is fixed to the bottom end of the drive rod 21. A pair of limiting blocks 23 are fixed to the inner wall of the limiting chamber 20. A screw 24 is rotatably mounted in each of the two limiting blocks 23 via a bearing. Threaded sleeves 25 extending to the outside of the limiting chamber 20 are threadedly connected to the outer sides of the two screws 24. The two threaded sleeves 25 are fixed to the opposite sides of the scraper 7. A pair of limiting grooves 26 are provided on the inner walls of the upper and lower sides of the limiting chamber 20. Limiting sliders 27 that are slidably connected to the limiting grooves 26 are fixed to the upper and lower sides of the two threaded sleeves 25. Driven bevel teeth 28 that mesh with the active bevel tooth 22 are fixed to the opposite sides of the two screws 24.

[0032] A handle is fixed to the top of the drive rod 21. By rotating the handle, the drive rod 21 rotates. Under the meshing transmission of the active bevel gear 22 and the driven bevel gear 28, a pair of screws 24 can rotate simultaneously in opposite directions. Under the guidance of the limiting slider 27 and the limiting groove 26, the two threaded sleeves 25 can move relative to each other or move in opposite directions. When the two threaded sleeves 25 are adjusted to move in opposite directions until the two scrapers 7 are in contact with the inner wall of the mixing tank 2, the scrapers 7 can be rotated by the stirring rod 5 to scrape off the mixture adhering to the inner wall of the mixing tank 2.

[0033] It should be noted that both the stirring rod 5 and the drive rod 21 are composed of two parts connected by bolts, such as... Figure 1 In the indicated state, the upper parts of the stirring rod 5 and the drive rod 21 are located inside the L-shaped mounting plate 12, and the lower parts of the stirring rod 5 and the drive rod 21 extend into the mixing tank 2. The mixing tank 2 consists of a tank body and a tank cover. The tank cover is fastened to the outer edge of the top of the tank body with bolts. Separate the two parts of the stirring rod 5 and the drive rod 21, and then raise the L-shaped mounting plate 12 to the highest point. The tank cover can then be removed from the top of the tank body for maintenance and cleaning.

[0034] In summary, during use, white oil and modified SBS elastomer in a 2:1 ratio are added to the mixing tank 2. The stirring rod 5 in the mixing tank 2 drives the stirring blades 6 to rotate, thoroughly mixing the two. A pair of scrapers 7 are provided to assist in the mixing of the raw materials. By setting the stirring blades 6 horizontally and the scrapers 7 vertically, the mixing effect is improved, ensuring thorough mixing, reducing oil absorption time, and promoting the oil absorption process. Furthermore, the stirring rod 5 can move up and down, and by adjusting the height of the stirring blades 6 and scrapers 7, the mixing range of the stirring blades 6 and scrapers 7 can be increased, further enhancing the mixing effect and improving the mixing efficiency. The modified SBS elastomer not only imparts high viscosity and high elasticity to the asphalt modifier but also absorbs oil from the white oil. During the mixing process, the modified SBS elastomer absorbs some of the oil from the white oil. After a period of simmering, the remaining oil is ensured to penetrate into the modified SBS elastomer, thus completing the oil absorption operation. The mixed material is then discharged and collected through the discharge pipe 4.

[0035] After the mixture is discharged, the distance between the pair of scrapers 7 can be adjusted so that the scrapers 7 move in opposite directions and fit against the inner wall of the mixing tank 2. Then, the stirring rod 5 drives the scrapers 7 to rotate, which can scrape off the mixture adhering to the inner wall of the mixing tank 2, effectively reducing waste. At the same time, the scraping range of the scrapers 7 can be increased by changing the height of the scrapers 7, which can make the residual material on the inner wall of the mixing tank 2 more thoroughly removed, further reducing the possibility of mixing waste.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the technical solutions of the embodiments of this utility model.

Claims

1. An oil-absorbing mixer based on an oil-rich asphalt modifier, characterized in that, include: Includes a frame (1), on which a mixing tank (2) is fixed. The top of the mixing tank (2) is provided with a feed pipe (3), and the bottom of the mixing tank (2) is provided with a discharge pipe (4). The top of the mixing tank (2) is provided with a lifting and movable stirring rod (5). One end of the stirring rod (5) extends into the mixing tank (2). The stirring rod (5) is located on the outer periphery of the mixing tank (2) with stirring blades (6). The bottom end of the stirring rod (5) is provided with a pair of relatively movable scrapers (7). The bottom end of the stirring rod (5) is fixed with a limiting chamber (2). 0), the inner wall of the limiting chamber (20) is fixed with a pair of limiting blocks (23), and each of the two limiting blocks (23) is provided with a screw (24) through a bearing. The outer sides of the two screws (24) are threadedly connected with threaded sleeves (25) extending to the outside of the limiting chamber (20). The two threaded sleeves (25) are respectively fixed to the opposite side of the scraper (7). The inner walls of the upper and lower sides of the limiting chamber (20) are provided with a pair of limiting grooves (26). The upper and lower sides of the two threaded sleeves (25) are fixed with limiting sliders (27) that are slidably connected to the limiting grooves (26).

2. The oil-absorbing mixer based on an oil-rich asphalt modifier according to claim 1, characterized in that, The stirring blades (6) are arranged horizontally, and the scraper (7) is arranged vertically.

3. The oil-absorbing mixer based on an oil-rich asphalt modifier according to claim 1, characterized in that, A lead screw (8) is rotatably mounted on the frame (1) via a bearing. A movable block (9) is threadedly connected to the outer side of the lead screw (8). A guide slider (10) is fixed to the right side of the movable block (9). A slide rail (11) is fixed on the frame (1) and slidably connected to the guide slider (10). An L-shaped mounting plate (12) is fixed to the right side of the guide slider (10). The stirring rod (5) is rotatably mounted inside the L-shaped mounting plate (12) via a bearing.

4. The oil-absorbing mixer based on an oil-rich asphalt modifier according to claim 3, characterized in that, A drive motor (13) is fixed on the frame (1), and the output shaft of the drive motor (13) is connected to the lead screw (8) through a belt drive (14).

5. The oil-absorbing mixer based on an oil-rich asphalt modifier according to claim 3, characterized in that, The frame (1) is fixed with a mounting rod (15) located in front of the lead screw (8), and position sensors (16) are fixed at both the upper and lower ends of the mounting rod (15).

6. The oil-absorbing mixer based on an oil-rich asphalt modifier according to claim 3, characterized in that, A rotary motor (17) is fixed on the L-shaped mounting plate (12), and a drive gear (18) is fixed on the output shaft of the rotary motor (17). A driven gear (19) that meshes with the drive gear (18) is fixed on the outside of the stirring rod (5).

7. The oil-absorbing mixer based on an oil-rich asphalt modifier according to claim 1, characterized in that, The top end of the stirring rod (5) is rotatably provided with a drive rod (21) that extends through and into the limiting chamber (20) via a bearing. The bottom end of the drive rod (21) is fixed with an active bevel tooth (22). The opposite surfaces of the two screws (24) are fixed with driven bevel teeth (28) that mesh with the active bevel tooth (22).

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