CN116590990A - Production device and preparation method of reclaimed asphalt mixture - Google Patents
Production device and preparation method of reclaimed asphalt mixture Download PDFInfo
- Publication number
- CN116590990A CN116590990A CN202310236306.6A CN202310236306A CN116590990A CN 116590990 A CN116590990 A CN 116590990A CN 202310236306 A CN202310236306 A CN 202310236306A CN 116590990 A CN116590990 A CN 116590990A
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- China
- Prior art keywords
- stirring
- reclaimed
- fixedly arranged
- subassembly
- asphalt
- Prior art date
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- 239000010426 asphalt Substances 0.000 title claims abstract description 96
- 239000000203 mixture Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims description 148
- 238000003756 stirring Methods 0.000 claims description 110
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 41
- 239000003546 flue gas Substances 0.000 claims description 41
- 238000002156 mixing Methods 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 25
- 239000012492 regenerant Substances 0.000 claims description 24
- 238000003860 storage Methods 0.000 claims description 22
- 230000008929 regeneration Effects 0.000 claims description 20
- 238000011069 regeneration method Methods 0.000 claims description 20
- 239000000314 lubricant Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 9
- 239000003517 fume Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000779 smoke Substances 0.000 description 34
- 239000010687 lubricating oil Substances 0.000 description 16
- 238000007599 discharging Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/08—Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like
-
- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
- E01C19/1027—Mixing in a rotary receptacle
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention belongs to the technical field of asphalt preparation, and particularly relates to a production device and a preparation method of a regenerated asphalt mixture.
Description
Technical Field
The invention relates to the technical field of asphalt preparation, in particular to a production device of a reclaimed asphalt mixture and a preparation method thereof.
Background
The regenerated asphalt mixture is a mixture which is obtained by re-mixing old asphalt pavement with regenerant, new asphalt material, new aggregate and the like according to a certain proportion after digging, recycling, crushing and screening, and the recycling of the asphalt pavement can save resources and protect the environment, and the recycling of the asphalt pavement is an important practical technology to be further developed in highway engineering construction.
The invention discloses Chinese patent with publication number of CN202010451200, which discloses a plant-mixed hot-recycled asphalt mixture production device, comprising a fine material stirring barrel, a coarse material stirring barrel, a recycled material stirring barrel, a storage vat, wherein the upper ends of the fine material stirring barrel, the coarse material stirring barrel and the recycled material stirring barrel are all communicated with a flue gas collecting pipe, and the flue gas collecting pipe is communicated with the storage vat.
The prior art solutions described above have the following drawbacks: the fine materials and the coarse materials can generate asphalt smoke in the heating and mixing process, and the asphalt smoke is mixed with the lubricating oil and the regenerant, but the asphalt smoke cannot be in direct contact with the lubricating oil and the regenerant, so that the problem of insufficient mixing exists, and the quality of the regenerated asphalt is lower.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a production device for a regenerated asphalt mixture, which realizes quantitative mixing of fine materials and coarse materials by arranging a quantitative groove, improves the mixing precision, can ensure the performance of the regenerated asphalt mixture to the greatest extent, and ensures that asphalt smoke passes through a flowing curtain of lubricating oil and a regenerant in a direction forming 90 degrees with the flowing direction of the lubricating oil and the regenerant by arranging a flow guide component and a smoke collecting component, so that the asphalt smoke is fully mixed with the lubricating oil and the regenerant, and the quality of the regenerated asphalt mixture is improved.
The technical solution of the invention is as follows:
the utility model provides a production device of reclaimed asphalt mixture, includes first brace table and second brace table, be provided with two ration stirring subassemblies on the first brace table, the below of ration stirring subassembly is provided with screw conveyer, the place ahead of ration stirring subassembly is provided with reclaimed material agitator, the top of reclaimed material agitator is provided with the storage subassembly, the left and right sides of reclaimed material agitator is connected with the water conservancy diversion subassembly respectively, be connected with flue gas collection subassembly between water conservancy diversion subassembly and the ration stirring subassembly, two ration stirring subassembly is used for carrying out the heating stirring to fine material and coarse material respectively, two screw conveyer is used for carrying fine material and coarse material to the reclaimed material agitator simultaneously in, the reclaimed material agitator is used for carrying out mixed stirring with fine material and coarse material, the storage subassembly is used for storing lubricant and regenerant, flue gas collection subassembly is used for collecting the pitch that produces when fine material and coarse material heating stirring, water conservancy diversion subassembly is used for leading into the reclaimed material agitator with the pitch flue gas in the flue gas collection subassembly.
As a preference, quantitative stirring subassembly is including fixed setting stirring fill on the first brace table, fixed setting is at the pan feeding mouth at stirring fill top, fixed setting is at the blanking mouth of stirring fill bottom, fixed setting is at the first motor of blanking mouth outer wall, rotate the pivot that sets up in the blanking mouth, fixed setting is at epaxial feed roll, set up a plurality of ration groove on the feed roll, rotate the dwang that sets up between a plurality of ration groove, fixed setting is at a plurality of stirring rake on the dwang, fixed setting is at the first gear of dwang tip, fixed setting is at the second gear of blanking mouth inner wall and the heating device who sets up in the stirring fill, the output shaft and the pivot fixed connection of first motor, the second gear is coaxial with the pivot, first gear and second gear engagement, the bottom of blanking mouth with screw conveyer is linked together.
As a preference, the both sides on regeneration material agitator top are all fixed and are provided with the feed inlet, the opening has been seted up at the middle part on regeneration material agitator top, the fixed second motor that is provided with in bottom of regeneration material agitator, fixedly connected with (mixing) shaft on the output shaft of second motor, fixedly provided with stirring vane on the (mixing) shaft, the (mixing) shaft rotates with the bottom of regeneration material agitator and is connected, two the feed inlet respectively with two screw conveyer is linked together, be provided with heating device in the regeneration material agitator, the opening sets up to the platykurtic.
Preferably, the storage assembly comprises a storage barrel fixedly arranged at the top end of the reclaimed material stirring barrel and a discharge channel fixedly arranged at the bottom of the storage barrel, wherein the discharge channel is flat and is positioned in the opening, and a heating device is arranged in the storage barrel.
As one preference, the flow guiding assembly comprises a fixed roller fixedly arranged on the second supporting table, through grooves formed in the left side and the right side of the fixed roller, a rotating shaft rotatably arranged at the rear end of the fixed roller, a flow guiding roller fixedly arranged at the front end of the rotating shaft, a plurality of flow guiding grooves formed in the flow guiding roller, a plurality of flow guiding holes formed in the top of the flow guiding grooves, sliding grooves formed in the bottoms of the flow guiding grooves, ejector rods slidingly arranged in the sliding grooves, a push plate fixedly arranged at the top of the ejector rods, sliding blocks fixedly arranged on the two sides of the ejector rods, springs fixedly connected between the sliding blocks and the sliding grooves and cams fixedly arranged on the fixed roller, the push plate is slidingly arranged in the flow guiding grooves, the fixed roller, the flow guiding roller and the cams are coaxial, the bottoms of the ejector rods are matched with the cams, and the flow guiding grooves are matched with the through grooves.
Preferably, the flue gas collecting assembly comprises a flue gas pipe fixedly connected to the top end of the stirring hopper and the through groove.
Preferably, connecting pipes are arranged on the left side and the right side of the reclaimed material stirring barrel, and the connecting pipes are communicated with the through grooves.
Preferably, the second supporting table is fixedly provided with a supporting seat, the rotating shaft is rotatably arranged in the supporting seat, and the tail end of the rotating shaft is in transmission connection with the screw conveyor through a belt.
As still another preferable mode, the left side and the right side of the reclaimed material stirring barrel are respectively provided with a connecting pipe, and the stirring paddle is provided with a plurality of bulges.
The invention further provides a preparation method of the reclaimed asphalt mixture, which comprises the following steps:
step one, recycling old asphalt materials for crushing treatment, and screening the crushed old asphalt materials into fine materials and coarse materials;
step two, heating and stirring the fine materials and the coarse materials in the step one through the two quantitative stirring assemblies respectively;
step three, collecting asphalt flue gas generated in the step two through a flue gas collecting assembly;
step four, quantitatively conveying the fine materials and the coarse materials in the step two into a regenerated material stirring barrel through a screw conveyor for mixing, and heating in the mixing process;
and fifthly, adding the heated lubricant and the heated regenerant in the mixing process of the fine materials and the coarse materials, mixing the lubricant and the regenerant with the asphalt fume generated in the fourth step, and simultaneously introducing the asphalt fume in the third step into a regenerated material stirring barrel through a flow guiding assembly to be mixed with the lubricant and the regenerant to obtain the final regenerated asphalt material.
The quantitative mixing assembly is arranged, and the quantitative mixing of the fine materials and the coarse materials is realized by arranging the quantitative groove, so that the mixing precision is improved, and the performance of the reclaimed asphalt mixture can be ensured to the greatest extent.
The invention is also provided with the flow guide assembly and the smoke collection assembly, by arranging the flow guide groove, the collected asphalt smoke in the smoke pipe enters the flow guide groove, and when the flow guide groove rotates to the connecting pipe, the pushing plate pushes out the asphalt smoke in the flow guide groove, so that the impact force of the asphalt smoke is increased, the asphalt smoke passes through the flowing curtain of the lubricating oil and the regenerant in the direction of 90 degrees with the flowing direction of the lubricating oil and the regenerant, the asphalt smoke is fully mixed with the lubricating oil and the regenerant, and the quality of the regenerated asphalt mixture is improved.
According to the invention, asphalt flue gas generated by stirring and heating fine materials and coarse materials is collected, and meanwhile, after the fine materials and the coarse materials are conveyed to the regeneration material stirring barrel, heated lubricating oil and a regeneration agent are added, so that the asphalt flue gas is fully mixed with the lubricating oil and the regeneration agent, in addition, the phenomenon of condensation in the heated lubricating oil and the regeneration agent can not occur, the asphalt flue gas can be fully mixed with the lubricating oil and the regeneration agent, and the recycling rate of old asphalt materials is improved.
In conclusion, the method has the advantages of high preparation efficiency, high recycling rate and the like, and is suitable for the technical field of asphalt preparation.
Drawings
The invention is further described with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the apparatus for producing reclaimed asphalt mixtures;
FIG. 2 is a schematic structural view of a quantitative stirring assembly;
FIG. 3 is a schematic cross-sectional view of the apparatus for producing reclaimed asphalt mixtures;
FIG. 4 is an enlarged schematic view of FIG. 3 at A;
FIG. 5 is a schematic side cross-sectional view of a baffle assembly;
fig. 6 is a schematic diagram of the asphalt fume when it contacts the lubricating oil and the regenerant.
Reference numerals: 1-a first support table; 11-a second support table; 12-a supporting seat; 2-quantitative stirring components; 21-a stirring hopper; 22-a feed inlet; 23-blanking port; 24-a first motor; 25-rotating shaft; 26-a material distributing roller; 27-a quantitative tank; 28-rotating a rod; 29-stirring paddles; 211-a first gear; 212-a second gear; 3-screw conveyor; 4-a reclaimed material stirring barrel; 41-a feed inlet; 42-opening; 43-a second motor; 44-stirring shaft; 45-stirring blades; 46-connecting pipes; 5-a storage component; 51-a storage tub; 52-a discharge channel; 6-a flow guiding assembly; 61-fixing the roller; 62-through grooves; 63-rotating shaft; 64-a guide roller; 65-diversion trenches; 66-deflector holes; 67-sliding grooves; 68-ejector rod; 69-pushing plate; 611-a slider; 612-a spring; 613-a cam; 7-a flue gas collection assembly; 71-smoke pipe; 8-a belt; 81-protrusions.
Description of the embodiments
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings.
Examples
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 6, a production device for reclaimed asphalt mixture comprises a first supporting table 1 and a second supporting table 11, wherein two quantitative stirring assemblies 2 are arranged on the first supporting table 1, a screw conveyor 3 is arranged below the quantitative stirring assemblies 2, a reclaimed material stirring barrel 4 is arranged in front of the quantitative stirring assemblies 2, a storage assembly 5 is arranged above the reclaimed material stirring barrel 4, a flow guiding assembly 6 is respectively connected to the left side and the right side of the reclaimed material stirring barrel 4, a flue gas collecting assembly 7 is connected between the flow guiding assembly 6 and the quantitative stirring assemblies 2, the two quantitative stirring assemblies 2 are respectively used for heating and stirring fine materials and coarse materials, the two screw conveyors 3 are used for simultaneously conveying the fine materials and the coarse materials into the reclaimed material stirring barrel 4, the reclaimed material stirring barrel 4 is used for mixing and stirring the fine materials and the coarse materials, the storage assembly 5 is used for storing a lubricant and a regenerant, the flue gas collecting assembly 7 is used for collecting asphalt generated when the fine materials and the coarse materials are heated and stirred, and the flue gas collecting assembly 7 is used for guiding the flue gas generated during the flue gas heating and stirring of the reclaimed material into the reclaimed material stirring barrel 7.
As shown in fig. 1 and 2, the quantitative stirring assembly 2 comprises a stirring hopper 21 fixedly arranged on a first supporting table 1, a feeding port 22 fixedly arranged at the top of the stirring hopper 21, a discharging port 23 fixedly arranged at the bottom of the stirring hopper 21, a first motor 24 fixedly arranged on the outer wall of the discharging port 23, a rotating shaft 25 rotatably arranged in the discharging port 23, a distributing roller 26 fixedly arranged on the rotating shaft 25, a plurality of quantitative grooves 27 arranged on the distributing roller 26, a rotating rod 28 rotatably arranged among the quantitative grooves 27, a plurality of stirring paddles 29 fixedly arranged on the rotating rod 28, a first gear 211 fixedly arranged at the end part of the rotating rod 28, a second gear 212 fixedly arranged on the inner wall of the discharging port 23 and a heating device arranged in the stirring hopper 21, an output shaft of the first motor 24 is fixedly connected with the rotating shaft 25, the second gear 212 is coaxial with the rotating shaft 25, the first gear 211 is meshed with the second gear 212, the bottom of the blanking port 23 is communicated with the screw conveyor 3, when in use, crushed old asphalt is screened into fine and coarse materials, the fine and coarse materials are respectively put into two quantitative stirring assemblies 2, the fine and coarse materials respectively enter the quantitative groove 27 in the distributing roller 26, the fine and coarse materials are quantitatively output and mixed by rotating the distributing roller 26, the first gear 211 is meshed with the second gear 212 in the rotating process of the distributing roller 26, the rotating rod 28 and the stirring paddle 29 rotate to stir the fine and coarse materials, asphalt smoke is generated in the heating and stirring process, the generated asphalt smoke is collected through the smoke pipe 71, the quantitative mixing of the fine and coarse materials is realized by arranging the quantitative groove 27, the mixing precision is improved, the performance of the regenerated asphalt mixture can be ensured to the greatest extent.
As shown in fig. 3, the two sides of the top end of the reclaimed material stirring barrel 4 are fixedly provided with a feed inlet 41, the middle of the top end of the reclaimed material stirring barrel 4 is provided with an opening 42, the bottom of the reclaimed material stirring barrel 4 is fixedly provided with a second motor 43, an output shaft of the second motor 43 is fixedly connected with a stirring shaft 44, a stirring blade 45 is fixedly arranged on the stirring shaft 44, the stirring shaft 44 is rotationally connected with the bottom of the reclaimed material stirring barrel 4, the two feed inlets 41 are respectively communicated with the two screw conveyors 3, a heating device is arranged in the reclaimed material stirring barrel 4, the opening 42 is flat, and during use, fine materials, coarse materials, lubricants, regenerants and asphalt smoke are conveyed into the reclaimed material stirring barrel 4 through the screw conveyors 3 to be mixed, so that a final reclaimed asphalt mixture is prepared.
As shown in fig. 3, the storage assembly 5 includes a storage barrel 51 fixedly disposed at the top end of the reclaimed material stirring barrel 4 and a discharge channel 52 fixedly disposed at the bottom of the storage barrel 51, the discharge channel 52 is flat, the discharge channel 52 is located in the opening 42, a heating device is disposed in the storage barrel 51, when in use, the lubricant and the reclaimed agent are heated and then output, so that condensation phenomenon in the lubricant and the reclaimed agent is avoided, asphalt flue gas and the lubricant and the reclaimed agent can be fully mixed, the recycling rate of old asphalt is improved, in addition, the discharge channel 52 is flat, the lubricant and the reclaimed agent can form a flowing curtain, the contact area with the asphalt flue gas is increased, and the asphalt flue gas and the lubricant and the reclaimed agent are more fully mixed.
As shown in fig. 4, the guide assembly 6 includes a fixed roller 61 fixedly provided on the second supporting table 11, through grooves 62 provided on both sides of the fixed roller 61, a rotating shaft 63 rotatably provided at the rear end of the fixed roller 61, a guide roller 64 fixedly provided at the front end of the rotating shaft 63, a plurality of guide grooves 65 provided on the guide roller 64, a plurality of guide holes 66 provided at the top of the guide grooves 65, a slide groove 67 provided at the bottom of the guide grooves 65, a push rod 68 slidably provided in the slide groove 67, a push plate 69 fixedly provided at the top of the push rod 68, a slider 611 fixedly provided on both sides of the push rod 68, a spring 612 fixedly connected between the slider 611 and the slide groove 67, and a cam 613 fixedly provided on the fixed roller 61, the push plate 69 being slidably provided in the guide grooves 65, the fixed roller 61, the guide roller 64, and the cam 613 being coaxial, the bottom of ejector pin 68 cooperates with cam 613, guiding gutter 65 cooperates with logical groove 62, when using, guiding gutter 65 is linked together with logical groove 62, the pitch flue gas that flue gas pipe 71 collected gets into guiding gutter 65 through guiding hole 66, guiding roll 64 rotates, guiding gutter 65 that is equipped with pitch flue gas is linked together with connecting pipe 46 in the pivoted in-process, and in the pivoted in-process of guiding roll 64, ejector pin 68 top makes push pedal 69 push pitch flue gas to the interior propelling movement of reclaimed materials agitator 4 with cam 613, spring 612 compresses, this mode has increased pitch flue gas's impact force, make pitch flue gas pass the curtain of flowing of lubricating oil and regenerant with 90 degrees with lubricating oil and regenerant flow direction, make pitch flue gas and lubricating oil and regenerant intensive mixing, the quality of reclaimed asphalt mixture has been improved.
As shown in fig. 3, the flue gas collection assembly 7 includes a flue gas pipe 71 fixedly connected to the stirring hopper top end 21 and the through groove 62, and the flue gas pipe 71 is provided to collect asphalt flue gas generated when fine materials and coarse materials are heated and stirred.
As shown in fig. 4, the regeneration stirring tank 4 is provided with a connecting pipe 46 on both left and right sides, and the connecting pipe 46 communicates with the through groove 62.
As shown in fig. 5, a supporting seat 12 is fixedly arranged on the second supporting table 11, a rotating shaft 63 is rotatably arranged in the supporting seat 12, and the tail end of the rotating shaft 63 is in transmission connection with the screw conveyor 3 through a belt 8.
As shown in fig. 2, the stirring paddle 29 is provided with a plurality of protrusions 81, and by arranging the protrusions 81, the stirring paddle 29 can stir fine materials and coarse materials more uniformly and rapidly.
Examples
The preparation method of the reclaimed asphalt mixture comprises the following production steps:
step one, recycling old asphalt materials for crushing treatment, and screening the crushed old asphalt materials into fine materials and coarse materials;
step two, heating and stirring the fine materials and the coarse materials in the step one through two quantitative stirring assemblies 2 respectively;
step three, collecting asphalt flue gas generated in the step two through a flue gas collecting assembly 7;
step four, quantitatively conveying the fine materials and the coarse materials in the step two into a regenerated material stirring barrel 4 through a screw conveyor 3 for mixing, and heating in the mixing process;
and fifthly, adding the heated lubricant and the heated regenerant in the mixing process of the fine materials and the coarse materials, mixing the lubricant and the regenerant with the asphalt fume generated in the fourth step, and simultaneously introducing the asphalt fume in the third step into the regeneration material stirring barrel 4 through the flow guiding assembly 6 to be mixed with the lubricant and the regenerant to obtain the final regenerated asphalt material.
The crushed old asphalt material is firstly screened into fine material and coarse material, the fine material and the coarse material are respectively put into two quantitative stirring assemblies 2, the fine material and the coarse material respectively enter quantitative grooves 27 in a material distributing roller 26, the fine material and the coarse material are quantitatively output and mixed by rotating the material distributing roller 26, in the rotating process of the material distributing roller 26, a first gear 211 is meshed with a second gear 212, a rotating rod 28 and a stirring paddle 29 rotate to stir the fine material and the coarse material, asphalt smoke is generated in the heating and stirring process, the generated asphalt smoke is collected through a smoke pipe 71, at the moment, a guide groove 65 is communicated with a through groove 62, asphalt smoke collected by a smoke pipe 71 enters the guide groove 65 through a guide hole 66, the guide groove 65 filled with the asphalt smoke is communicated with a connecting pipe 46 in the rotating process, in the rotating process of the guide roller 64, a protruding part of a push rod 68 and a protruding part of a cam 613 contact part, so that the push plate 69 pushes the asphalt smoke into a regeneration stirring barrel 4, the impact force of the asphalt smoke from the guide hole 66 is increased, the asphalt smoke and the asphalt smoke flows through the curtain and the regenerated asphalt smoke is fully mixed with the asphalt smoke, and the quality of the regenerated asphalt smoke is improved, and the quality of the asphalt smoke and the regenerated asphalt smoke is fully flowed, and the asphalt smoke is mixed and the quality is improved.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "front and rear", "left and right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or component in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention.
Of course, in this disclosure, those skilled in the art will understand that the term "a" or "an" is to be interpreted as "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, and in another embodiment, the number of elements may be multiple, and the term "a" is not to be construed as limiting the number.
While the invention has been described with reference to the preferred embodiments, it should be noted that the invention is not limited to the above embodiments, and that various changes and modifications can be made by those skilled in the art without departing from the structure of the invention, and these should also be regarded as the scope of the invention without affecting the effect and practicality of the implementation of the invention.
Claims (10)
1. The utility model provides a production device of reclaimed asphalt mixture which characterized in that: including first brace table (1) and second brace table (11), be provided with two ration stirring subassembly (2) on first brace table (1), the below of ration stirring subassembly (2) is provided with screw conveyer (3), the place ahead of ration stirring subassembly (2) is provided with regeneration material agitator (4), the top of regeneration material agitator (4) is provided with storage subassembly (5), the left and right sides of regeneration material agitator (4) is connected with water conservancy diversion subassembly (6) respectively, be connected with flue gas collection subassembly (7) between water conservancy diversion subassembly (6) and ration stirring subassembly (2), two ration stirring subassembly (2) are used for carrying out the heating stirring to fine and coarse fodder respectively, two screw conveyer (3) are used for carrying fine and coarse fodder to regeneration material agitator (4) in the same time, regeneration material agitator (4) are used for carrying out the mixing stirring with fine fodder and coarse fodder, storage subassembly (5) are used for storing lubricant and regeneration agent, when being used for carrying out the water conservancy diversion subassembly (7) with fine fodder and coarse fodder collection subassembly and the flue gas collection subassembly (7) are used for carrying out the heating stirring with fine fodder and coarse fodder collection subassembly (7).
2. The apparatus for producing a reclaimed asphalt mixture as defined in claim 1, wherein: the quantitative stirring assembly (2) comprises a stirring hopper (21) fixedly arranged on the first supporting table (1), a feeding port (22) fixedly arranged at the top of the stirring hopper (21), a blanking port (23) fixedly arranged at the bottom of the stirring hopper (21), a first motor (24) fixedly arranged on the outer wall of the blanking port (23), a rotating shaft (25) rotatably arranged in the blanking port (23), a material distributing roller (26) fixedly arranged on the rotating shaft (25), a plurality of quantitative grooves (27) formed in the material distributing roller (26), a rotating rod (28) rotatably arranged between the quantitative grooves (27), a plurality of stirring paddles (29) fixedly arranged on the rotating rod (28), a first gear (211) fixedly arranged at the end of the rotating rod (28), a second gear (212) fixedly arranged on the inner wall of the blanking port (23) and a heating device arranged in the stirring hopper (21), an output shaft of the first motor (24) is fixedly connected with the rotating shaft (25), the second gear (212) is meshed with the rotating shaft (25), and the first gear (211) is meshed with the shaft (212) of the bottom of the spiral conveyer (3).
3. The apparatus for producing a reclaimed asphalt mixture as defined in claim 1, wherein: the utility model discloses a reclaimed material agitator, including reclaimed material agitator (4) and screw conveyer (3), reclaimed material agitator (4) and screw conveyer (3) are equipped with the bottom, reclaimed material agitator (4) both sides on top are all fixed be provided with feed inlet (41), opening (42) have been seted up at the middle part on reclaimed material agitator (4) top, the fixed second motor (43) that is provided with in bottom of reclaimed material agitator (4), fixedly connected with (mixing) shaft (44) on (mixing) shaft (45), (mixing) shaft (44) rotate with the bottom of reclaimed material agitator (4) and are connected, two feed inlet (41) respectively with two screw conveyer (3) are linked together, be provided with heating device in reclaimed material agitator (4), opening (42) set up to the platykurtic.
4. A reclaimed asphalt mixture production device according to claim 3, characterized in that: the storage assembly (5) comprises a storage barrel (51) fixedly arranged at the top end of the reclaimed material stirring barrel (4) and a discharge channel (52) fixedly arranged at the bottom of the storage barrel (51), the discharge channel (52) is arranged to be flat, the discharge channel (52) is positioned in the opening (42), and a heating device is arranged in the storage barrel (51).
5. The apparatus for producing a reclaimed asphalt mixture as defined in claim 2, wherein: the guide assembly (6) comprises a fixed roller (61) fixedly arranged on the second supporting table (11), through grooves (62) formed in the left side and the right side of the fixed roller (61), a rotating shaft (63) rotatably arranged at the rear end of the fixed roller (61), guide rollers (64) fixedly arranged at the front end of the rotating shaft (63), a plurality of guide grooves (65) formed in the guide rollers (64), a plurality of guide holes (66) formed in the tops of the guide grooves (65), sliding grooves (67) formed in the bottoms of the guide grooves (65), ejector rods (68) arranged in the sliding grooves (67) in a sliding mode, push plates (69) fixedly arranged on the tops of the ejector rods (68), sliding blocks (611) fixedly connected to the two sides of the ejector rods (68), springs (612) fixedly connected between the sliding blocks (611) and the sliding grooves (67) and cams (613) fixedly arranged on the fixed roller (61), the push plates (69) are arranged in the guide grooves (65) in a sliding mode, and the fixed roller (61), the guide rollers (64) and the cams (613) are in the same axis, and the bottoms of the guide grooves (67) are matched with the through grooves (613).
6. The apparatus for producing a reclaimed asphalt mixture as defined in claim 5, wherein: the flue gas collection assembly (7) comprises a flue gas pipe (71) fixedly connected to the top end (21) of the stirring hopper and the through groove (62).
7. The apparatus for producing a reclaimed asphalt mixture as defined in claim 5, wherein: the left side and the right side of the reclaimed material stirring barrel (4) are respectively provided with a connecting pipe (46), and the connecting pipes (46) are communicated with the through grooves (62).
8. The apparatus for producing a reclaimed asphalt mixture as defined in claim 5, wherein: the second supporting table (11) is fixedly provided with a supporting seat (12), the rotating shaft (63) is rotatably arranged in the supporting seat (12), and the tail end of the rotating shaft (63) is in transmission connection with the spiral conveyor (3) through a belt (8).
9. The apparatus for producing a reclaimed asphalt mixture as defined in claim 2, wherein: a plurality of protrusions (81) are arranged on the stirring paddle (29).
10. A preparation method of a reclaimed asphalt mixture is characterized by comprising the following steps: the method comprises the following production steps:
step one, recycling old asphalt materials for crushing treatment, and screening the crushed old asphalt materials into fine materials and coarse materials;
step two, heating and stirring the fine materials and the coarse materials in the step one through two quantitative stirring assemblies (2) respectively;
step three, collecting asphalt flue gas generated in the step two through a flue gas collecting assembly (7);
step four, quantitatively conveying the fine materials and the coarse materials in the step two into a regenerated material stirring barrel (4) through a screw conveyor (3) for mixing, and heating in the mixing process;
and fifthly, adding the heated lubricant and the heated regenerant in the mixing process of the fine materials and the coarse materials, mixing the lubricant and the regenerant with the asphalt fume generated in the fourth step, and simultaneously introducing the asphalt fume in the third step into the regeneration material stirring barrel (4) through the flow guiding assembly (6) to be mixed with the lubricant and the regenerant to obtain the final regenerated asphalt material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310236306.6A CN116590990B (en) | 2023-03-13 | 2023-03-13 | Production device and preparation method of reclaimed asphalt mixture |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310236306.6A CN116590990B (en) | 2023-03-13 | 2023-03-13 | Production device and preparation method of reclaimed asphalt mixture |
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| CN116590990B CN116590990B (en) | 2024-04-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117166319A (en) * | 2023-11-03 | 2023-12-05 | 知行良知实业股份有限公司 | Production device and process of large-proportion hot-recycled asphalt mixture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127893A (en) * | 2010-01-14 | 2011-07-20 | 福建铁拓机械有限公司 | Asphalt concrete plant-mix hot recycling equipment with improved structure |
| CN111622049A (en) * | 2020-05-25 | 2020-09-04 | 苏州东振路桥工程有限公司 | Preparation method and production equipment of plant-mixed hot recycled asphalt mixture |
| CN215086533U (en) * | 2021-02-01 | 2021-12-10 | 新疆隆泰达建材科技发展有限公司 | Old and useless pitch regenerating unit |
-
2023
- 2023-03-13 CN CN202310236306.6A patent/CN116590990B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127893A (en) * | 2010-01-14 | 2011-07-20 | 福建铁拓机械有限公司 | Asphalt concrete plant-mix hot recycling equipment with improved structure |
| CN111622049A (en) * | 2020-05-25 | 2020-09-04 | 苏州东振路桥工程有限公司 | Preparation method and production equipment of plant-mixed hot recycled asphalt mixture |
| CN215086533U (en) * | 2021-02-01 | 2021-12-10 | 新疆隆泰达建材科技发展有限公司 | Old and useless pitch regenerating unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117166319A (en) * | 2023-11-03 | 2023-12-05 | 知行良知实业股份有限公司 | Production device and process of large-proportion hot-recycled asphalt mixture |
| CN117166319B (en) * | 2023-11-03 | 2024-01-05 | 知行良知实业股份有限公司 | Production device and process of large-proportion hot-recycled asphalt mixture |
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| Publication number | Publication date |
|---|---|
| CN116590990B (en) | 2024-04-30 |
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