CN114367232B - Composite modified asphalt mixing device based on combination of dry method and wet method - Google Patents
Composite modified asphalt mixing device based on combination of dry method and wet method Download PDFInfo
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- CN114367232B CN114367232B CN202111522315.9A CN202111522315A CN114367232B CN 114367232 B CN114367232 B CN 114367232B CN 202111522315 A CN202111522315 A CN 202111522315A CN 114367232 B CN114367232 B CN 114367232B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention discloses a composite modified asphalt mixing device based on combination of a dry method and a wet method, which comprises a bracket, wherein a cylindrical dry container is fixed on the bracket in an overhead manner, a wet container communicated with the dry container is fixed at the center below the dry container, a feeding barrel attached to the outer wall of the wet container is sleeved on the periphery of the wet container, a heating device is arranged in the wet container, the upper end surface of the feeding barrel is closed, and a feeding hole is formed in the upper part of the side wall of the feeding barrel; the device comprises a feeding cylinder, a material conveying device and a dry container, wherein a floating positioning assembly capable of floating on the upper surface of the material in the dry container is arranged above the feeding cylinder, a plurality of groups of stirring blades are circumferentially distributed between the floating positioning assembly and the bottom of the dry container, and the stirring blades are connected to a rotating ring at the bottom of the dry container. Compared with the prior art, the invention improves the mixing efficiency when taking the asphalt and avoids increasing energy consumption caused by heating the asphalt for a long time, and the material can be discharged from the whole plane, so that the mixing degree of the discharged material is more uniform.
Description
Technical Field
The invention relates to the technical field of asphalt production equipment, in particular to a composite modified asphalt mixing device based on combination of a dry method and a wet method.
Background
The modified asphalt is an asphalt binder prepared by adding external additives (modifiers) such as rubber, resin, high molecular polymer, ground rubber powder or other fillers or by adopting measures such as mild oxidation processing of asphalt and the like, so that the performance of the asphalt or the asphalt mixture is improved. The homogeneity degree of mixing of modified asphalt is great to its performance influence, adds modified filler and mixes the use after melting the asphalt granule heating among the prior art, because the asphalt mobility receives the temperature influence, consequently in order to prevent that mixed asphalt from solidifying, need heat the stirring always, and it is extravagant great to the energy consumption of intermittent type nature construction to be difficult to master the demand of pitch in the construction, cause the raw materials extravagant or not enough easily. The present invention is directed to a method for producing asphalt mixture particles, which can improve the utilization efficiency of materials and energy by heating a small amount of asphalt mixture particles, but asphalt mixture particles are difficult to stir uniformly in a solid state, and melting a small amount of asphalt may cause an unstable particle ratio.
Therefore, it is necessary to provide a composite modified asphalt mixing device based on the combination of dry and wet methods to solve the problems in the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a composite modified asphalt mixing device based on combination of a dry method and a wet method comprises a support, wherein a cylindrical dry container is fixed on the upper portion of the support in an overhead manner, a wet container communicated with the dry container is fixed at the center of the lower portion of the dry container, a feeding cylinder attached to the outer wall of the wet container is sleeved on the periphery of the wet container, the feeding cylinder and the wet container can slide relative to each other, and a heating device is arranged in the wet container;
the feeding cylinder can penetrate through the bottom of the dry container to the inside of the dry container, the outer wall of the feeding cylinder is attached to the bottom of the dry container, the upper end face of the feeding cylinder is closed, and a feeding hole is formed above the side wall of the feeding cylinder;
the device comprises a feeding cylinder, a material conveying device and a dry container, wherein a floating positioning assembly capable of floating on the upper surface of the material in the dry container is arranged above the feeding cylinder, a plurality of groups of stirring blades are circumferentially distributed between the floating positioning assembly and the bottom of the dry container, and the stirring blades are connected to a rotating ring at the bottom of the dry container.
Further, preferably, the edge of the rotating ring is rotatably embedded into the inner wall of the bottom of the dry container, the center of the rotating ring is sleeved on the periphery of the feeding cylinder with a certain gap, a plurality of vertical stirring shafts are distributed on the circumference of the rotating ring, and stirring blades are fixed at the center of each stirring shaft;
the upper end of each stirring blade is fixed to the rotating rods distributed in spokes in a one-to-one correspondence mode, and one end, close to the circle center, of each rotating rod is rotatably connected to the upper portion of the feeding barrel.
Further, preferably, the upper end and the lower end of each stirring shaft can stretch and retract, and stirring blades are always kept in the middle in the stirring shafts through hydraulic damping.
Preferably, the edge of the rotating ring is provided with tooth sockets, the outer wall of the dry container is provided with a through groove penetrating through the edge of the rotating ring, a driving gear capable of being driven by a motor is arranged in the through groove, and one side face of the driving gear penetrates through the through groove and is meshed with the tooth sockets at the edge of the rotating ring.
Further, preferably, the upper and lower surfaces of the rotary ring are each inserted into the inner wall of the dry container through a sliding gasket.
Further, as a preferred option, the floating positioning assembly comprises a fixing ring, the side wall of the fixing ring is connected with the inner wall of the dry container in a vertically sliding mode through a sliding groove, a plurality of floating pieces are distributed on the inner circumference of the fixing ring, one ends, close to the circle center, of the floating pieces are connected to a center ring together, and the center ring is fixed to the upper end of the feeding barrel.
Further, preferably, the center of the floating piece can rotate along the radial direction of the fixing ring as a rotating shaft, one end, close to the fixing ring, of the floating piece is rotatably connected with the fixing ring through a insection shaft, and a part above the insection shaft protrudes out of the upper surface of the fixing ring;
the upper surface of the fixing ring is also rotatably connected with a plane gear ring, insections are formed in the lower surface of the plane gear ring, and the insections are meshed with an insection shaft.
Further, as a preferred mode, two sides of the fixing ring in the floating positioning assembly penetrate through the side wall of the dry container and are connected into a pressure spring, the other end of the pressure spring is fixed with the support, and the pressure spring provides pressure for enabling the fixing ring to be close to the bottom of the dry container.
Further, preferably, the bottom of the joint of the fixing ring and the pressure spring is connected with the bracket through a reset hydraulic rod.
Further, as preferred, be equipped with the stirring rake in the wet container, the stirring pivot of stirring rake runs through the top of a feeding section of thick bamboo to dry on the container, the top of dry container is fixed with the crossbeam, the crossbeam center is fixed with driving motor in order to drive the stirring pivot, the discharge gate has been seted up to wet container below.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the dry container and the wet container are arranged, so that the materials are pre-stirred in the dry container, introduced into the wet container according to requirements, heated and melted and taken at any time, the mixing efficiency during taking asphalt is improved, and the energy consumption caused by heating the asphalt for a long time is avoided.
According to the invention, the floating piece is attached to the upper surface of the material under the pressure of the pressure spring, and the feeding cylinder is driven to move downwards along with the downward movement of the upper surface of the material, so that the distance between the feeding hole and the upper surface of the material is kept unchanged, and the material above the dry container continuously and uniformly falls into the wet container;
the material can be followed whole plane ejection of compact, because the stirring of rotation in a circumferential direction is favorable to the material at the horizontal plane homogeneous mixing, makes the material mixing degree of outflow more even, avoids using the local ejection of compact that the valve body leads to and flows the not misce bene's material.
According to the invention, the rotating rod drives the stirring shaft to stretch along with the change of the height of the feeding cylinder, so that the stirring blade is always kept at the central position between the bottom of the feeding cylinder and the bottom of the dry container, and the stirring blade can be ensured to effectively stir materials.
Drawings
FIG. 1 is a schematic structural diagram of a composite modified asphalt mixing device based on combination of a dry method and a wet method;
FIG. 2 is a schematic cross-sectional view of a composite modified asphalt mixing device based on combination of dry and wet methods;
FIG. 3 is a schematic structural view of a floating positioning assembly;
in the figure: 1. a support; 2. a dry container; 3. a wet container; 31. a stirring paddle; 32. a discharge port; 4. a feeding cylinder; 41. a feed inlet; 5. a rotating ring; 6. a stirring blade; 61. a stirring shaft; 62. rotating the rod; 7. a floating positioning assembly; 8. a cross beam; 9. a stirring rotating shaft; 10. a drive motor; 11. a pressure spring; 12. a drive gear; 13. resetting the hydraulic rod; 71. a fixing ring; 72. a floating sheet; 73. a center ring; 74. a insection shaft; 75. and (4) a plane gear ring.
Detailed Description
Referring to fig. 1 and 2, in an embodiment of the present invention, a composite modified asphalt mixing device based on combination of a dry method and a wet method includes a support 1, a cylindrical dry container 2 is fixed above the support 1 in an overhead manner, a wet container 3 communicated with the dry container 2 is fixed at a center below the dry container 2, a feeding cylinder 4 fitted to an outer wall of the wet container 3 is sleeved on an outer periphery of the wet container 3, the feeding cylinder 4 and the wet container 3 can slide relative to each other, and a heating device is arranged in the wet container 3;
the feeding cylinder 4 can penetrate through the bottom of the dry container 2 to the inside of the dry container, the outer wall of the feeding cylinder 4 is attached to the bottom of the dry container 2, the upper end face of the feeding cylinder 4 is closed, a feeding hole 41 is formed in the upper portion of the side wall of the feeding cylinder 4, and materials in the dry container 2 can enter the feeding cylinder 4 through the feeding hole 41 and then enter the wet container 3;
the material feeding device is characterized in that a floating positioning assembly 7 capable of floating on the upper surface of a material in the dry container 2 is arranged above the feeding cylinder 4, a plurality of groups of stirring blades 6 are circumferentially distributed between the floating positioning assembly 7 and the bottom of the dry container 2, and the stirring blades 6 are jointly connected into a rotating ring 5 positioned at the bottom of the dry container 2.
In this embodiment, the edge of the rotating ring 5 is rotatably embedded into the inner wall of the bottom of the dry container 2, the center of the rotating ring is sleeved on the periphery of the feeding cylinder 4 with a certain gap, a plurality of vertical stirring shafts 61 are distributed on the circumference of the rotating ring 5, and a stirring blade 6 is fixed at the center of each stirring shaft 61;
the upper end of each stirring blade 6 is fixed to the rotating rods 62 distributed in spokes in a one-to-one correspondence manner, and one end of each rotating rod 62 close to the circle center is rotatably connected to the upper side of the feeding cylinder 4.
In this embodiment, the upper end and the lower end of each stirring shaft 61 can stretch, and the stirring blades 6 are always kept in the middle in the stirring shafts through hydraulic damping;
that is, with the change of the height of the feeding cylinder 4, the rotating rod 62 drives the stirring shaft 61 to extend and contract, so that the stirring blade 6 is always kept at the central position between the bottom of the feeding cylinder 4 and the bottom of the dry container 2.
In this embodiment, tooth sockets are formed at the edge of the rotating ring 5, a through groove penetrating the edge of the rotating ring 5 is formed in the outer wall of the dry container 2, a driving gear 12 capable of being driven by a motor is arranged in the through groove, and one side surface of the driving gear 12 penetrates through the through groove and is meshed with the tooth sockets at the edge of the rotating ring 5.
In this embodiment, the upper and lower faces of the rotating ring 5 are each embedded in the inner wall of the dry container 2 by means of a sliding gasket, preferably made of teflon, which enables both mutual sealing and reduced rotational friction.
Referring to fig. 3, in the present embodiment, the floating positioning assembly 7 includes a fixing ring 71, a side wall of the fixing ring 71 is connected with an inner wall of the dry container 2 through a sliding slot in a vertically slidable manner, a plurality of floating pieces 72 are distributed on an inner circumference of the fixing ring 71, one ends of the floating pieces 72 close to a circle center are connected to a center ring 73, and the center ring 73 is fixed at an upper end of the feeding barrel 4.
In this embodiment, the center of the floating piece 72 can rotate along the radial direction of the fixing ring 71 as a rotating shaft, one end of the floating piece 72 close to the fixing ring 71 is rotatably connected with the fixing ring 71 through a insection shaft 74, and a part above the insection shaft 74 protrudes onto the upper surface of the fixing ring 71;
the upper surface of the fixed ring 71 is also rotatably connected with a plane gear ring 75, the lower surface of the plane gear ring 75 is provided with insections, and the insections are meshed with the insection shaft 74;
that is, the rotation inclination angle of each floating piece 72 can be synchronously adjusted by rotating the plane gear ring 75, when the floating piece 72 is horizontal, the contact area of the floating piece 72 with the upper surface of the material in the dry container 2 can be increased to float on the surface of the material, and when the floating piece 72 is vertical, the area of the plane can be reduced to facilitate the addition of the material.
In the embodiment, two sides of the fixing ring 71 in the floating positioning assembly 7 penetrate through the side wall of the dry container 2 and are connected into the pressure spring 11, the other end of the pressure spring 11 is fixed with the bracket 1, and the pressure spring 11 provides pressure for enabling the fixing ring 71 to be close to the bottom of the dry container 2;
that is, when the floating positioning component 7 is on the upper surface of the material in the dry container 2, as the material flows away from the feeding cylinder 4 and lowers, the material is always attached to the upper surface of the material by the pressure of the pressure spring 11, and the feeding cylinder 4 is driven to move downwards, so that the distance between the feeding hole 41 and the upper surface of the material is kept unchanged, and the material above the dry container 2 continuously and uniformly falls into the wet container 3.
In this embodiment, the bottom of the joint of the fixing ring 71 and the pressure spring 11 is connected to the bracket 1 through the reset hydraulic rod 13, and the height of the floating positioning assembly 7 can be actively changed through the reset hydraulic rod 13, so that the functions of stopping discharging and resetting can be achieved.
In this embodiment, a stirring paddle 31 is arranged in the wet container 3, a stirring rotating shaft 9 of the stirring paddle 31 penetrates through the top of the feeding cylinder 4 to the dry container 2, a beam 8 is fixed at the top of the dry container 2, a driving motor 10 is fixed at the center of the beam 8 to drive the stirring rotating shaft 9, and a discharging port 32 is formed below the wet container 3;
the material falling from the feed cylinder 4 into the wet container 3 is heated and melted and mixed by the stirring of the stirring paddle 31 and can be discharged from the discharge port 32.
In specific implementation, the floating positioning component 7 is lifted to the highest position through the reset hydraulic rod 13, the feeding cylinder 4 is lifted to the highest position, and the floating piece 72 is in a vertical state through rotating the plane gear ring 75;
modified asphalt materials such as dry asphalt particles and rubber particles are put into the dry container 2 from the upper part, the flat gear ring 75 is rotated to enable the floating piece 72 to be in a horizontal state, and the driving gear 12 drives the rotating ring 5 to rotate so that the stirring shaft 61 and the stirring blades 6 stir and mix the materials;
when wet asphalt is needed, the reset hydraulic rod 13 is decompressed, the floating piece 72 is attached to the upper surface of the material under the pressure of the pressure spring 11, the feeding cylinder 4 is driven to move downwards along with the downward movement of the upper surface of the material, and the distance between the feeding hole 41 and the upper surface of the material is kept unchanged, so that the material above the dry container 2 continuously and uniformly falls into the wet container 3;
meanwhile, along with the change of the height of the feeding cylinder 4, the rotating rod 62 drives the stirring shaft 61 to stretch, so that the stirring blade 6 is always kept at the central position between the bottom of the feeding cylinder 4 and the bottom of the dry container 2, and the material can be effectively stirred;
the material falling from the feed cylinder 4 into the wet container 3 is heated and melt-mixed by the stirring of the stirring paddle 31 and can be discharged from the discharge port 32.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (6)
1. A composite modified asphalt mixing device based on combination of a dry method and a wet method comprises a support (1) and is characterized in that a cylindrical dry container (2) is fixed above the support (1) in an overhead manner, a wet container (3) communicated with the dry container is fixed at the center below the dry container (2), a feeding cylinder (4) attached to the outer wall of the wet container (3) is sleeved on the periphery of the wet container (3), the feeding cylinder (4) and the wet container (3) can slide relative to each other, and a heating device is arranged in the wet container (3);
the feeding cylinder (4) can penetrate through the bottom of the dry container (2) to the inside of the dry container, the outer wall of the feeding cylinder (4) is attached to the bottom of the dry container (2), the upper end face of the feeding cylinder (4) is closed, and a feeding hole (41) is formed above the side wall of the feeding cylinder;
a floating positioning assembly (7) capable of floating on the upper surface of the material in the dry container (2) is arranged above the feeding cylinder (4), a plurality of groups of stirring blades (6) are circumferentially distributed between the floating positioning assembly (7) and the bottom of the dry container (2), and the stirring blades (6) are jointly connected into a rotating ring (5) positioned at the bottom of the dry container (2);
the floating positioning assembly (7) comprises a fixing ring (71), the side wall of the fixing ring (71) is connected with the inner wall of the dry container (2) in a vertically sliding mode through a sliding groove, a plurality of floating pieces (72) are distributed on the inner circumference of the fixing ring (71), one ends, close to the circle center, of the floating pieces (72) are connected into a center ring (73) together, and the center ring (73) is fixed to the upper end of the feeding barrel (4);
the center of the floating piece (72) can rotate along the radial direction of the fixing ring (71) as a rotating shaft, one end, close to the fixing ring (71), of the floating piece (72) is rotatably connected with the fixing ring (71) through a insection shaft (74), and one part above the insection shaft (74) protrudes out of the upper surface of the fixing ring (71);
the upper surface of the fixed ring (71) is also rotatably connected with a plane gear ring (75), the lower surface of the plane gear ring (75) is provided with insections, and the insections are meshed with an insection shaft (74);
two sides of a fixing ring (71) in the floating positioning assembly (7) penetrate through the side wall of the dry container (2) and are connected into a pressure spring (11), the other end of the pressure spring (11) is fixed with the bracket (1), and the pressure spring (11) provides pressure for enabling the fixing ring (71) to be close to the bottom of the dry container (2);
the bottom of the joint of the fixing ring (71) and the pressure spring (11) is connected with the bracket (1) through a reset hydraulic rod (13).
2. The dry-wet combined composite modified asphalt mixing device according to claim 1, wherein the edge of the rotating ring (5) is rotatably embedded into the inner wall of the bottom of the dry container (2), the center of the rotating ring is sleeved on the periphery of the feeding cylinder (4) with a certain gap, a plurality of vertical stirring shafts (61) are distributed on the circumference of the rotating ring (5), and a stirring blade (6) is fixed at the center of each stirring shaft (61);
the upper end of each stirring blade (6) is fixed to a rotating rod (62) distributed in spokes in a one-to-one correspondence mode, and one end, close to the circle center, of each rotating rod (62) is rotatably connected to the upper portion of the feeding cylinder (4).
3. The dry-wet combined composite modified asphalt mixing device according to claim 2, wherein the upper end and the lower end of each stirring shaft (61) can be extended and retracted, and the stirring blades (6) are always kept in the middle by hydraulic damping in the stirring shafts.
4. The dry-wet combined composite modified asphalt mixing device according to claim 1, wherein tooth sockets are formed at the edge of the rotating ring (5), a through groove penetrating through the edge of the rotating ring (5) is formed in the outer wall of the dry container (2), a driving gear (12) capable of being driven by a motor is arranged in the through groove, and one side surface of the driving gear (12) penetrates through the through groove and is meshed with the tooth sockets at the edge of the rotating ring (5).
5. The dry-wet combined composite modified asphalt mixing device according to claim 1, wherein the upper and lower surfaces of the rotating ring (5) are embedded in the inner wall of the dry container (2) through a sliding gasket.
6. The composite modified asphalt mixing device based on combination of the dry method and the wet method according to claim 1, wherein a stirring paddle (31) is arranged in the wet container (3), a stirring rotating shaft (9) of the stirring paddle (31) penetrates through the top of the feeding cylinder (4) to the dry container (2), a cross beam (8) is fixed at the top of the dry container (2), a driving motor (10) is fixed at the center of the cross beam (8) to drive the stirring rotating shaft (9), and a discharge hole (32) is formed below the wet container (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111522315.9A CN114367232B (en) | 2021-12-13 | 2021-12-13 | Composite modified asphalt mixing device based on combination of dry method and wet method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111522315.9A CN114367232B (en) | 2021-12-13 | 2021-12-13 | Composite modified asphalt mixing device based on combination of dry method and wet method |
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| CN114367232A CN114367232A (en) | 2022-04-19 |
| CN114367232B true CN114367232B (en) | 2022-09-06 |
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| CN114733229B (en) * | 2022-04-20 | 2023-06-27 | 吕梁学院 | Tea polyphenol dissolving and extracting device |
| CN115415024B (en) * | 2022-09-05 | 2023-11-14 | 桂林三棱生物科技有限公司 | Equipment and method for extracting flavone from persimmon leaves |
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| CN213253879U (en) * | 2021-02-05 | 2021-05-25 | 重庆沥智路桥工程有限公司 | Emulsification device for pitch processing |
| CN213867200U (en) * | 2020-10-26 | 2021-08-03 | 苏州久泰防水工程有限公司 | Electrical heating formula pitch jar |
| CN214783082U (en) * | 2021-02-06 | 2021-11-19 | 蚌埠市思创沥青路面工程有限公司 | Environment-friendly asphalt concrete mixing equipment |
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2021
- 2021-12-13 CN CN202111522315.9A patent/CN114367232B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010054453A1 (en) * | 2008-11-13 | 2010-05-20 | Claudio Macedo Nasser | A method and a plant for preparing hot-mix asphalt |
| CN102676194A (en) * | 2012-03-08 | 2012-09-19 | 河海大学 | Rubber asphalt indoor preparation device |
| CN211246249U (en) * | 2019-11-21 | 2020-08-14 | 宏辉建材有限公司 | Asphalt mixture stirring equipment |
| CN211411667U (en) * | 2019-12-17 | 2020-09-04 | 马鞍山市山川重工科技有限公司 | Wear-resisting type stirring leaf for asphalt mixer |
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