CN115091586A - Application and research and development of asphalt mixture recycled material in pavement paving brick - Google Patents
Application and research and development of asphalt mixture recycled material in pavement paving brick Download PDFInfo
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- CN115091586A CN115091586A CN202210554109.4A CN202210554109A CN115091586A CN 115091586 A CN115091586 A CN 115091586A CN 202210554109 A CN202210554109 A CN 202210554109A CN 115091586 A CN115091586 A CN 115091586A
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- asphalt mixture
- barrel
- pavement
- mixing barrel
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- 239000010426 asphalt Substances 0.000 title claims abstract description 67
- 239000000203 mixture Substances 0.000 title claims abstract description 49
- 238000012827 research and development Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 title claims abstract description 22
- 239000011465 paving brick Substances 0.000 title claims abstract description 12
- 239000011449 brick Substances 0.000 claims abstract description 69
- 239000002699 waste material Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000004568 cement Substances 0.000 claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 17
- 238000011161 development Methods 0.000 claims abstract description 13
- 239000011812 mixed powder Substances 0.000 claims abstract description 11
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 67
- 238000000227 grinding Methods 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000012216 screening Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 4
- 238000000748 compression moulding Methods 0.000 claims description 3
- 230000036541 health Effects 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims 4
- 238000007789 sealing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 13
- 230000001276 controlling effect Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/022—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form combined with vibrating or jolting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/003—Pavings made of prefabricated single units characterised by material or composition used for beds or joints; characterised by the way of laying
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/04—Pavings made of prefabricated single units made of bricks
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to the technical field of pavement brick processing, in particular to application and research and development of a recycled asphalt mixture material in pavement bricks, and solves the problem that the prior art lacks a waste asphalt mixture for research and development of pavement bricks. The recycled asphalt mixture material is applied and researched to paving bricks on a pavement, and the pavement bricks comprise cement, waste asphalt mixed powder and water; the development and preparation method of the pavior brick comprises the following steps: the method comprises the following steps of firstly, respectively putting waste asphalt mixture and cement into a research and development device. The development device controlled by the motor is arranged, so that the asphalt mixture can be crushed and screened, and the pavement brick slurry can be prepared, discharged and molded at one time, the operation efficiency is high, the energy consumption is less, and the equipment cost is low; and the waste asphalt mixture is utilized to form a pavement brick structure with better flexibility, so that the resource recycling of the waste asphalt mixture is realized while the performance of the pavement brick is improved.
Description
Technical Field
The invention relates to the technical field of pavement paving brick processing, in particular to application and research and development of a recycled asphalt mixture material in pavement paving bricks.
Background
The asphalt mixture is a composite material and mainly comprises asphalt, coarse aggregate, fine aggregate and mineral powder. The asphalt mixture is mainly used for paving roads, but in the municipal engineering maintenance process, a lot of waste materials of the asphalt mixture are also available, so that the materials can not be put on the roads again for use, otherwise, the overall performance of the roads is affected, and the materials are generally directly discarded.
The road surface brick is mostly a cement product and is prepared from cement, aggregate and an additive through vibration pressing and health preservation. The paving brick is mostly made of inorganic cementing materials or polymer cementing forming. The pavement bricks are mainly used for pedestrian auxiliary roads on two sides of a highway, and the pavement requirements of the pedestrian auxiliary roads are lower than those of the highway.
The waste asphalt mixture is crushed and reused again, and still has the binding property, if the waste asphalt is crushed and screened and then combined with the raw aggregate of the pavement brick, a pavement brick product with better flexibility can be realized compared with the existing pavement brick, and better, the recycling of the resource of the waste asphalt mixture can also be realized.
Therefore, the application and development of the recycled green mixed material in paving bricks on the road surface are proposed to solve the problems.
Disclosure of Invention
The invention aims to provide application and research and development of a recycled asphalt mixture material in pavement bricks, and solves the problem that the prior art lacks a waste asphalt mixture material applied to the research and development of pavement bricks.
In order to achieve the purpose, the invention adopts the following technical scheme:
the recycled asphalt mixture material is applied and researched to paving bricks on a pavement, and the pavement bricks comprise cement, waste asphalt mixed powder and water;
the development and preparation method of the pavior brick comprises the following steps:
firstly, respectively putting waste asphalt mixture and cement into a research and development device;
secondly, crushing and screening the waste asphalt mixture in a research and development device to form asphalt mixed powder for later use;
thirdly, mixing and stirring the asphalt mixed powder, the cement and the water in a research and development device in stages to form pavement brick slurry;
and fourthly, after extruding and discharging the pavement brick slurry in the research and development device, performing vibration and compression molding, demolding, preserving health and discharging.
Preferably, the developing device comprises:
the mixing device comprises a mixing barrel, wherein a heating layer is coated outside the mixing barrel, a central shaft is arranged at the position of the axis inside the mixing barrel, a stirring plate is arranged on the central shaft, a motor is arranged at the top of the mixing barrel, an output shaft of the motor is in transmission connection with the central shaft, a water inlet pipe is connected to the top of the mixing barrel, a discharge valve is arranged at the bottom of the mixing barrel, a support leg is arranged at the bottom of the mixing barrel, and a booster pump is arranged at the top of the mixing barrel;
the grinding device comprises two grinding barrels, two grinding barrels are symmetrically arranged and are respectively installed above a mixing barrel, a rotating shaft is arranged in each grinding barrel, the bottom end of each rotating shaft penetrates to the bottom end of each grinding barrel, an output shaft of a motor is in transmission connection with the two rotating shafts through a belt, a powder conveying pump is installed on one side of each grinding barrel, and two ends of each powder conveying pump are respectively communicated with the grinding barrels and the mixing barrels;
the brick mold is arranged below the mixing barrel, the opening of the brick mold faces downwards, the bottom end of the mixing barrel is provided with an air cylinder for driving the brick mold to vertically move, and the brick mold is communicated with the discharge end of the mixing barrel through a conveying pipe;
and the discharging conveyor is positioned below the brick mold.
Preferably, the open-top of smashing the bucket, the internally mounted of smashing the bucket has fixed disk and activity dish, relative filtration hole about fixed disk and activity dish have been seted up, the outside of smashing the bucket is provided with the spacing pivoted screw rod of regulation activity dish circumference to it is crisscross to filter the hole about the drive.
Preferably, the rotation axis is respectively through sealed bearing housing and fixed disk and activity dish swing joint, the top of rotation axis upwards extends to the top of fixed disk, crushing sword is installed on the top of rotation axis, the top of fixed disk and the crushing chamber that forms between the inner wall of smashing the bucket, the below of activity dish is the screening chamber, and powder delivery pump and screening chamber intercommunication.
Preferably, smash the outer wall of bucket, and just to having seted up spacing hole with the side end face position department of activity dish, the runner is installed in the rotation of laminating in the spacing hole, the annular has been seted up to the side end face of activity dish, and the circumference array is provided with the location tooth in the annular, the outer wall of runner is annular array and has seted up the spacing groove, location tooth and spacing groove meshing cooperation to the spacing rotation of drive activity dish.
Preferably, the arc pole is installed in the outside of smashing the bucket, the arc pole is with the axle center with the runner, the slip cap is equipped with the locating plate on the arc pole, locating plate one end is pegged graft with the spacing groove that corresponds, the screw rod rotates and follows the spacing slip of arc pole with the drive locating plate.
Preferably, the screw rod is connected with the outer wall screw thread of smashing the bucket and closes soon, the activity groove has been seted up on the locating plate, the screw rod runs through the activity groove, install the limiting plate with the laminating of locating plate both sides on the screw rod, the area of limiting plate is greater than the width in activity groove.
Preferably, a heating controller is installed at the bottom of the mixing barrel and electrically connected with the heating layer, and a winding structure provided with heating resistance wires is embedded in the heating layer.
The invention has at least the following beneficial effects:
1. through the arrangement of the research and development device controlled by the motor, the grinding device can crush and screen the asphalt mixture, prepare the pavement brick slurry and discharge and form the pavement brick slurry at one time, the operation efficiency is high, and compared with a production line, the pavement brick slurry crushing and screening device has the advantages of saving more space, reducing energy consumption and lowering equipment cost; and the waste asphalt mixture is utilized to form a pavement brick structure with better flexibility, so that the resource recycling of the waste asphalt mixture is realized while the performance of the pavement brick is improved.
2. Through setting up can spacing pivoted movable disc, through the screw rod in the rotatory crushing bucket outside, realize the nimble rotation of movable disc and adjust to adjust the screening particle diameter of pitch mixed powder, realize a waste asphalt mixture screening plant with hole regulatory function.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a paving brick development apparatus;
FIG. 2 is a schematic cross-sectional view of the crushing barrel;
FIG. 3 is an enlarged view of the structure at A;
fig. 4 is a schematic structural view of the top of the mixing barrel.
In the figure: 1. a mixing barrel; 2. a crushing barrel; 3. a powder delivery pump; 4. a booster pump; 5. a rotating shaft; 6. fixing the disc; 7. a movable tray; 8. a grinding chamber; 9. a motor; 10. a central shaft; 11. a water inlet pipe; 12. a heating layer; 13. a heating controller; 14. a discharge valve; 15. a cylinder; 16. brick molding; 17. an air dryer; 18. a discharge conveyor; 19. a rotating wheel; 20. a limiting groove; 21. positioning teeth; 22. a screw; 23. an arcuate bar; 24. positioning a plate; 25. a limiting plate; 26. a movable groove; 27. and a limiting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1-4, the recycled asphalt mixture material is applied to, developed and developed in pavement bricks on a road surface, and the pavement bricks comprise cement, waste asphalt mixed powder and water;
the development and preparation method of the pavior brick comprises the following steps:
firstly, respectively putting waste asphalt mixture and cement into a research and development device;
secondly, crushing and screening the waste asphalt mixture in a research and development device to form asphalt mixed powder for later use;
thirdly, mixing and stirring the asphalt mixed powder, the cement and the water in a research and development device in stages to form pavement brick slurry;
fourthly, extruding and discharging the pavement brick slurry in a research and development device, performing vibration and compression molding, demolding, maintaining, and discharging;
in this embodiment: the capacity of the crushing and screening equipment for the waste asphalt mixture is 120Th, the sieve plates are two layers, the aperture of the bottom sieve plate is 13mm, the nominal particle size of the mixture after the asphalt mixture passes through the bottom sieve plate is 13.2mm, and the nominal particle size of mineral aggregate is 9.5 mm;
adding water and cement during the first stage of mixing, wherein the determination method of the water addition amount comprises the following steps: firstly, fixing the addition of emulsified asphalt to be 3.5%, then changing the water amount to be 2.5%, 3%, 3.5%, 4% and 4.5%, and determining the optimal water content under the maximum density; the calculation of the optimal water content comprises the sum of the water content of the asphalt mixture, the water content of the emulsified asphalt and the added water amount;
adding cement in the second stage: after the optimal water content is determined, determining the addition amount of cement, wherein the addition amount of the cement is used for accelerating the demulsification speed of the emulsified asphalt and increasing the initial strength of the product (the cement dosage is not more than 1.5%, and not more than 1.8%);
and (3) adding the asphalt mixture in the third stage, wherein the solid content of the emulsified asphalt is required to be more than 60%, and correspondingly adjusting the addition of the total water consumption according to the dosage of the added emulsified asphalt and keeping the optimal requirement.
Example two
Referring to fig. 1-4, a development apparatus includes:
the mixing device comprises a mixing barrel 1, wherein a heating layer 12 is arranged outside the mixing barrel 1, a central shaft 10 is arranged at the position of an axis inside the mixing barrel 1, a stirring plate is arranged on the central shaft 10, a motor 9 is arranged at the top of the mixing barrel 1, an output shaft of the motor 9 is in transmission connection with the central shaft 10, a water inlet pipe 11 is connected to the top of the mixing barrel 1, a discharge valve 14 is arranged at the bottom of the mixing barrel 1, supporting legs are arranged at the bottom of the mixing barrel 1, and a booster pump 4 is arranged at the top of the mixing barrel 1;
the grinding device comprises two grinding barrels 2, wherein the two grinding barrels 2 are symmetrically arranged and are respectively installed above a mixing barrel 1, a rotating shaft 5 is arranged in each grinding barrel 2, the bottom end of each rotating shaft 5 penetrates through the bottom end of each grinding barrel 2, an output shaft of a motor 9 is in transmission connection with the two rotating shafts 5 through belts, a powder conveying pump 3 is installed on one side of each grinding barrel 2, and two ends of each powder conveying pump 3 are respectively communicated with the grinding barrels 2 and the mixing barrel 1;
the brick mold 16 is arranged below the mixing barrel 1, the opening of the brick mold 16 faces downwards, the bottom end of the mixing barrel 1 is provided with an air cylinder 15 used for driving the brick mold 16 to vertically move, and the brick mold 16 is communicated with the discharge end of the mixing barrel 1 through a conveying pipe;
the discharging conveyor 18 is arranged, the air dryer 17 is arranged above the discharging conveyor 18, and the discharging conveyor 18 is positioned below the brick mold 16;
in this embodiment: respectively putting waste asphalt mixture and cement into two crushing barrels 2 for crushing and screening, respectively controlling asphalt mixture powder and cement to be added into a mixing barrel 1 through a powder control conveying pump 3, controlling the water adding amount of a water inlet pipe 11 of the mixing barrel 1, and preparing pavement brick and asphalt mixed slurry under the stirring of a central shaft 10; opening a discharge valve 14 at the bottom of a mixing barrel 1 by controlling, covering a brick mold 16 on a discharge conveyor 18 by a cylinder 15, driving and controlling slurry to be delivered into the brick mold 16 by a booster pump 4, forming the slurry in the brick mold 16 by the pressure action of the booster pump 4, controlling the brick mold 16 to move upwards by the cylinder 15 for demolding, conveying a primary finished pavement brick product by the discharge conveyor 18, air-drying and re-forming by an air dryer 17, and finally watering and maintaining to obtain a finished pavement brick product;
through the arrangement of the research and development device controlled by the motor 9, the grinding device can crush and screen the asphalt mixture, prepare the pavement brick slurry and discharge and form the pavement brick slurry at one time, the operation efficiency is high, and compared with a production line, the pavement brick slurry crushing and screening device saves more space, consumes less energy and has low equipment cost; and the waste asphalt mixture is utilized to form a pavement brick structure with better flexibility, so that the resource recycling of the waste asphalt mixture is realized while the performance of the pavement brick is improved.
EXAMPLE III
Referring to fig. 1-4, a development apparatus includes:
the mixing device comprises a mixing barrel 1, wherein a heating layer 12 is arranged outside the mixing barrel 1, a central shaft 10 is arranged at the position of an axis inside the mixing barrel 1, a stirring plate is arranged on the central shaft 10, a motor 9 is arranged at the top of the mixing barrel 1, an output shaft of the motor 9 is in transmission connection with the central shaft 10, a water inlet pipe 11 is connected to the top of the mixing barrel 1, a discharge valve 14 is arranged at the bottom of the mixing barrel 1, supporting legs are arranged at the bottom of the mixing barrel 1, and a booster pump 4 is arranged at the top of the mixing barrel 1; the bottom of the mixing barrel 1 is provided with a heating controller 13, the heating controller 13 is electrically connected with a heating layer 12, and a winding structure of heating resistance wires is embedded inside the heating layer 12; specifically, the winding structure is similar to an electric blanket structure, the water content of the slurry can be guaranteed by low-temperature heating, asphalt emulsification can be accelerated, and the slurry forming efficiency is improved;
the device comprises two crushing barrels 2, wherein the two crushing barrels 2 are symmetrically arranged and are respectively arranged above a mixing barrel 1, a rotating shaft 5 is arranged in each crushing barrel 2, the bottom end of each rotating shaft 5 penetrates through the bottom end of each crushing barrel 2, an output shaft of a motor 9 is respectively in transmission connection with the two rotating shafts 5 through a belt, a powder conveying pump 3 is arranged on one side of each crushing barrel 2, and two ends of each powder conveying pump 3 are respectively communicated with the crushing barrels 2 and the mixing barrel 1;
the brick mold 16 is arranged below the mixing barrel 1, the opening of the brick mold 16 faces downwards, the bottom end of the mixing barrel 1 is provided with an air cylinder 15 used for driving the brick mold 16 to vertically move, and the brick mold 16 is communicated with the discharge end of the mixing barrel 1 through a conveying pipe;
the discharging conveyor 18 is arranged, the air dryer 17 is arranged above the discharging conveyor 18, and the discharging conveyor 18 is positioned below the brick mold 16;
the top of the crushing barrel 2 is provided with an opening, a fixed disc 6 and a movable disc 7 are arranged in the crushing barrel 2, the fixed disc 6 and the movable disc 7 are provided with filtering holes which are opposite up and down, and the outer side of the crushing barrel 2 is provided with a screw rod 22 for adjusting the circumference of the movable disc 7 to limit rotation so as to drive the upper filtering hole and the lower filtering hole to be staggered; the rotating shaft 5 is movably connected with the fixed disc 6 and the movable disc 7 through sealed bearing sleeves respectively, the top end of the rotating shaft 5 extends upwards to the upper part of the fixed disc 6, the top end of the rotating shaft 5 is provided with a crushing cutter, a crushing cavity 8 is formed between the upper part of the fixed disc 6 and the inner wall of the crushing barrel 2, a screening cavity is arranged below the movable disc 7, and the powder conveying pump 3 is communicated with the screening cavity; a limiting hole 27 is formed in the outer wall of the crushing barrel 2 and is opposite to the position of the side end face of the movable disc 7, a rotating wheel 19 is mounted in the limiting hole 27 in a fitting and rotating mode, an annular groove is formed in the side end face of the movable disc 7, positioning teeth 21 are arrayed in the inner circumference of the annular groove, limiting grooves 20 are formed in the outer wall of the rotating wheel 19 in an annular array mode, and the positioning teeth 21 are meshed with the limiting grooves 20 to be matched with the limiting grooves 20 so as to drive the movable disc 7 to rotate in a limiting mode; an arc-shaped rod 23 is installed on the outer side of the crushing barrel 2, the arc-shaped rod 23 and the rotating wheel 19 are coaxial, a positioning plate 24 is sleeved on the arc-shaped rod 23 in a sliding mode, one end of the positioning plate 24 is connected with a corresponding limiting groove 20 in an inserting mode, and the screw rod 22 rotates to drive the positioning plate 24 to slide along the arc-shaped rod 23 in a limiting mode; the screw rod 22 is in threaded connection with the outer wall of the crushing barrel 2, a movable groove 26 is formed in the positioning plate 24, the screw rod 22 penetrates through the movable groove 26, the screw rod 22 is provided with a limiting plate 25 attached to two sides of the positioning plate 24, and the area of the limiting plate 25 is larger than the width of the movable groove 26;
in this embodiment: by arranging the fixed disc 6 and the movable disc 7, a user can rotate the movable disc 7 according to the particle size requirement for crushing and screening the asphalt mixture, so that the holes of the fixed disc 6 and the movable disc 7 are staggered, and the adjustment of asphalt screening holes is realized; wherein the rotation regulation mode of the movable disk 7 is as follows: through rotatory screw rod 22 for limiting plate 25 of screw rod 22 promotes locating plate 24 and slides along arc 23 arc, thereby promotes the spacing rotation of runner 19 circumference, and the spacing groove 20 of runner 19 meshes with the location tooth 21 of activity dish 7, thereby the rotation of drive activity dish 7 realizes a waste asphalt mixture screening plant with hole regulatory function.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The application and research and development of the asphalt mixture recycled material in paving bricks on a pavement are characterized in that the pavement bricks comprise cement, waste asphalt mixed powder and water;
the development and preparation method of the pavior brick comprises the following steps:
firstly, respectively putting waste asphalt mixture and cement into a research and development device;
secondly, crushing and screening the waste asphalt mixture in a research and development device to form asphalt mixed powder for later use;
thirdly, mixing and stirring the asphalt mixed powder, the cement and the water in a research and development device in stages to form pavement brick slurry;
and fourthly, after extruding and discharging the pavement brick slurry in the research and development device, performing vibration and compression molding, demolding, preserving health and discharging.
2. The use and development of bituminous mixture recycled material for paving bricks according to claim 1, wherein said development device comprises:
the heating device comprises a mixing barrel (1), wherein a heating layer (12) is arranged outside the mixing barrel (1), a central shaft (10) is arranged at the position of an inner shaft center of the mixing barrel (1), a stirring plate is installed on the central shaft (10), a motor (9) is installed at the top of the mixing barrel (1), an output shaft of the motor (9) is in transmission connection with the central shaft (10), a water inlet pipe (11) is connected to the top of the mixing barrel (1), a discharge valve (14) is arranged at the bottom of the mixing barrel (1), supporting legs are installed at the bottom of the mixing barrel (1), and a booster pump (4) is installed at the top of the mixing barrel (1);
the grinding device comprises two grinding barrels (2), wherein the two grinding barrels (2) are symmetrically arranged and are respectively installed above a mixing barrel (1), a rotating shaft (5) is arranged in each grinding barrel (2), the bottom end of each rotating shaft (5) penetrates through the bottom end of each grinding barrel (2), an output shaft of a motor (9) is in transmission connection with the two rotating shafts (5) through a belt, a powder conveying pump (3) is installed on one side of each grinding barrel (2), and two ends of each powder conveying pump (3) are respectively communicated with the grinding barrels (2) and the mixing barrel (1);
the brick die (16) is arranged below the mixing barrel (1), an opening of the brick die (16) faces downwards, an air cylinder (15) used for driving the brick die (16) to vertically move is installed at the bottom end of the mixing barrel (1), and the brick die (16) is communicated with the discharge end of the mixing barrel (1) through a material conveying pipe;
the brick mold comprises a discharging conveyor (18), wherein an air dryer (17) is arranged above the discharging conveyor (18), and the discharging conveyor (18) is positioned below the brick mold (16).
3. The asphalt mixture recycling material as claimed in claim 2, wherein the top of the pulverizing barrel (2) is open, the pulverizing barrel (2) is internally provided with a fixed disk (6) and a movable disk (7), the fixed disk (6) and the movable disk (7) are provided with vertically opposite filtering holes, and the outer side of the pulverizing barrel (2) is provided with a screw (22) for adjusting the circumference of the movable disk (7) to limit rotation so as to drive the vertically filtering holes to be staggered.
4. The asphalt mixture recycling material applied to pavement bricks on road surfaces and developed according to claim 2, wherein the rotating shaft (5) is movably connected with the fixed disc (6) and the movable disc (7) through a sealing bearing sleeve respectively, the top end of the rotating shaft (5) extends upwards to the upper part of the fixed disc (6), the top end of the rotating shaft (5) is provided with a crushing knife, a crushing cavity (8) is formed between the upper part of the fixed disc (6) and the inner wall of the crushing barrel (2), the lower part of the movable disc (7) is provided with a screening cavity, and the powder conveying pump (3) is communicated with the screening cavity.
5. The application and development of the asphalt mixture recycled material on the pavement bricks as claimed in claim 2, wherein the outer wall of the pulverizing barrel (2) is provided with a limit hole (27) at a position opposite to the side end face of the movable disk (7), a rotating wheel (19) is rotatably mounted in the limit hole (27) in a fitting manner, an annular groove is formed in the side end face of the movable disk (7), positioning teeth (21) are arranged in the annular groove in an array manner, a limit groove (20) is formed in the outer wall of the rotating wheel (19) in an annular array manner, and the positioning teeth (21) are engaged with the limit groove (20) to drive the movable disk (7) to rotate in a limiting manner.
6. The asphalt mixture recycling material as claimed in claim 3, wherein an arc rod (23) is mounted on the outer side of the crushing barrel (2), the arc rod (23) and the rotating wheel (19) are coaxial, a positioning plate (24) is slidably sleeved on the arc rod (23), one end of the positioning plate (24) is inserted into a corresponding limiting groove (20), and the screw rod (22) rotates to drive the positioning plate (24) to slide along the arc rod (23) in a limiting manner.
7. The asphalt mixture recycled material as claimed in claim 6, wherein the screw (22) is screwed with the outer wall of the grinding barrel (2), the positioning plate (24) is provided with a movable groove (26), the screw (22) penetrates through the movable groove (26), the screw (22) is provided with a limiting plate (25) attached to two sides of the positioning plate (24), and the area of the limiting plate (25) is larger than the width of the movable groove (26).
8. The application and development of the asphalt mixture recycled material on the pavement paving bricks according to claim 2 are characterized in that a heating controller (13) is installed at the bottom of the mixing barrel (1), the heating controller (13) is electrically connected with a heating layer (12), and a winding structure provided with heating resistance wires is embedded inside the heating layer (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
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| CN117101759A (en) * | 2023-10-25 | 2023-11-24 | 黑龙江省中冉建材有限公司 | Vibration screening equipment and screening method for asphalt concrete production |
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| CN117101759B (en) * | 2023-10-25 | 2024-01-30 | 黑龙江省中冉建材有限公司 | Vibration screening equipment and screening method for asphalt concrete production |
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