CN113215920B

CN113215920B - Production device of modified asphalt and use method thereof

Info

Publication number: CN113215920B
Application number: CN202110588601.9A
Authority: CN
Inventors: 吴清舟; 曹雪; 孙艳玲; 田璐; 吴亚飞; 汪振龙
Original assignee: Handan Hengzhi Highway Construction Group Co ltd
Current assignee: Handan Hengzhi Highway Construction Group Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-07-08
Anticipated expiration: 2041-05-28
Also published as: CN113215920A

Abstract

The invention provides a method and a device for producing modified asphalt, which comprises a recycled asphalt reaction tank, a basic asphalt reaction tank, a mixed asphalt reaction tank and a pipeline switching component, wherein the recycled asphalt reaction tank is connected with the basic asphalt reaction tank; retrieve pitch retort and have first discharge gate and first loading hopper, first loading hopper is used for depositing pitch regeneration material, first discharge gate sets up retrieve pitch retort's lower extreme. The fresh asphalt is modified by a basic asphalt reaction tank, and the modifier is added to be fully stirred and mixed. The two kinds of asphalt are jointly conveyed into a mixed asphalt reaction tank to be mixed so as to obtain regenerated mixed asphalt with a modification effect. Moreover, to the easy problem that blocks up that appears of pipe transmission, provide the switching module, in time change automatically to the pipeline that does not use to pitch is to the jam sealing effect of pipeline when avoiding not using for a long time, simple operation, labour saving and time saving.

Description

Production device of modified asphalt and use method thereof

Technical Field

The invention relates to the field of asphalt production, in particular to a device and a method for replacing and dredging pipelines for recycling regenerated asphalt.

Background

The technology of asphalt for road paving is well established, and the asphalt material is not only economical and practical for road paving, but also has small operation difficulty, and the asphalt material is also easy to obtain. In order to further improve the economy of road paving, technologies for recovering recycled asphalt by recycling asphalt from waste road surfaces by milling machines have gradually appeared.

However, in the course of recycling the recycled asphalt and re-paving the pavement, there are problems in that the physical properties of the recycled asphalt are lowered, and thus it may be difficult to achieve desired properties. To solve this problem, agents may be added to the recycled asphalt to improve the performance. In addition, some basic and fresh asphalt needs to be supplemented for mixing, so that the performance of the obtained final mixed asphalt can meet the requirements of pavement laying, the economy is well met, and the method has a propelling effect on environmental protection and the like.

However, in the prior art, there are few apparatuses for recycling and regenerating the waste asphalt, and particularly, there are few apparatuses for paving the road surface by mixing the waste asphalt and the fresh asphalt, so that it is difficult to realize continuous industrial operation. In addition, in practical application, when waste asphalt is transferred to a mixed asphalt reaction tank, a pipeline for transporting the asphalt is very easy to block after stopping operation, and if the pipeline is not cleaned in time after being stopped, the pipeline cannot be used normally after being used.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a device structure which can realize continuous industrial operation, obtain mixed asphalt by regenerating waste recycled asphalt and realize timely dredging of pipelines for transporting asphalt.

The invention provides a production device of modified asphalt, which comprises a recycled asphalt reaction tank, a basic asphalt reaction tank, a mixed asphalt reaction tank and a pipeline switching assembly, wherein the recycled asphalt reaction tank is connected with the basic asphalt reaction tank;

the asphalt recycling reaction tank is provided with a first discharge port and a first loading hopper, the first loading hopper is used for storing asphalt regeneration materials, and the first discharge port is arranged at the lower end of the asphalt recycling reaction tank;

the base asphalt reaction tank is provided with a second discharge port and a second feeding hopper, the second discharge port is arranged at the lower end of the base asphalt reaction tank, and the second feeding hopper is used for storing asphalt modified materials;

the mixed asphalt reaction tank is provided with a first feeding hole and a second feeding hole, the first discharging hole is connected with the first feeding hole through a first transverse pipe, and the second discharging hole is connected with the second feeding hole through a second transverse pipe;

the pipeline switching component is provided with a moving vehicle, a supporting body, a rotating rod, a first clamping piece, a second clamping piece, a rotating motor and a gearbox, wherein the rotating motor is connected with the rotating rod through the gearbox, the rotating rod is rotationally arranged on the supporting body, the pipeline is to be replaced by clamping on the first clamping piece, and the second clamping piece is used for clamping the first transverse pipe or the second transverse pipe.

The beneficial effect of above-mentioned scheme does: the recycled asphalt is subjected to mixing and stirring treatment through a recycled asphalt reaction tank and auxiliary agents are added for regeneration. The fresh asphalt is modified by a basic asphalt reaction tank, and the modifier is added to be fully stirred and mixed. The two kinds of asphalt are conveyed to a mixed asphalt reaction tank together to be mixed so as to obtain regenerated mixed asphalt with a modification effect. Moreover, to the easy problem that blocks up that appears of pipe transmission, provide the switching module, in time change automatically to the pipeline that does not use to pitch is to the jam sealing effect of pipeline when avoiding not using for a long time, simple operation, labour saving and time saving.

An optimal scheme is, retrieve pitch retort, basic pitch retort and mix pitch retort and have a jar body, zone of heating, puddler, the zone of heating sets up in the intermediate layer of the jar body, the puddler sets up jar internal space, the discharge gate sets up the lower extreme of the jar body.

An optimal scheme is, still including mediation subassembly, mediation subassembly has the rack, supports and is responsible for, mediation motor, drive gear, driven gear, rotates the lead screw, removes the lantern ring, gangbar, mediation pole and mediation head, support the main pipe and erect on the rack, driven gear overlaps and establishes rotate on the lead screw, it rotationally establishes to rotate the lead screw support in the main pipe, mediation motor with drive gear, driven gear connect gradually, it passes to remove the lantern ring cover support the open slot of being responsible for and the cover is established rotate on the lead screw, remove the outer wall of the lantern ring with gangbar, mediation pole, mediation head connect gradually.

The beneficial effect of above-mentioned scheme does: transfer to the mediation station to the pipeline after changing through the switching module, the rotation of passing through the lead screw makes the mediation pole can remove in the pipeline in the place of mediation station to the in-process that removes realizes the quick mediation effect to the pitch thing in the pipeline, labour saving and time saving, and easily operation.

One preferred scheme is, first one side of dredging has the loop configuration, the loop configuration has main part ring, wall built-up drive wheel, a plurality of driving wheel and coupling assembling, coupling assembling includes the oblique piece and the piece of buckling that set up of symmetry, the both ends setting of the piece of buckling is in the piece of putting to one side, one side of the piece of buckling has the wall built-up scrubbing brush, adjacent two pass through on the driving wheel coupling assembling connects, the wall built-up drive wheel is connected with the wall built-up motor, just the wall built-up drive wheel still passes through coupling assembling is connected with adjacent driving wheel, driving wheel rotationally overlaps and establishes on the main part ring, the inner wall of main part ring passes through the bracing piece and connects on the dredging pole.

The beneficial effect of above-mentioned scheme does: the in-process of dredging can carry out comparatively thorough clean effect to the inner wall surface through the driving wheel that can rotate on the loop configuration and wall built-up scrubbing brush, has also avoided the problem that the velocity of flow reduces is caused in the residue of pipeline inner wall.

The invention provides a using method of a production device of modified asphalt, which comprises the following steps:

s1: waste asphalt is recovered on a waste road surface through a milling machine, the waste asphalt is crushed to obtain asphalt particles with particle size meeting the requirement, the asphalt particles are sent into a recovered asphalt reaction tank, a softened asphalt state is obtained through heating and stirring, and a regenerated material auxiliary agent is added; after a certain time of heating and stirring, the asphalt in the recovered asphalt reaction tank enters a first feed port of the mixed asphalt reaction tank along a first discharge port and a first transverse pipe;

s2: adding base asphalt into the base asphalt reaction tank, adding a modified material auxiliary agent, heating and stirring to obtain a modified asphalt substance, and enabling the modified asphalt substance to enter a second feeding port of the mixed asphalt reaction tank through a second discharging port and a second transverse pipe;

s3: mixing, stirring and heating the recycled asphalt and the modified asphalt in a mixed asphalt reaction tank, and obtaining a uniformly dispersed modified recycled asphalt mixture after a certain time for subsequent pavement and repair;

s4: moving the moving vehicle to the position of a first transverse pipe, and clamping and fixing the first transverse pipe through the second clamping piece; when the first transverse pipe stops transporting the asphalt materials, the first transverse pipe is detached from the first discharge hole and the first feed hole; the rotating rod is driven to rotate by the rotating motor, so that the second clamping piece drives the first transverse pipe or the second transverse pipe to enter a dredging station, the first clamping piece drives the pipeline to be replaced to move to an installation station, two ends of the pipeline to be installed are connected to a first feeding hole and a first discharging hole when the pipeline to be replaced is installed, and the dredging and cleaning work of the disassembled first transverse pipe is completed at the dredging station; the same procedure is used to accomplish the removal, replacement and unclogging of the second transverse tube.

One preferred scheme is that the dredging device further comprises a dredging component, wherein the dredging component is provided with a rack, a supporting main pipe, a dredging motor, a driving gear, a driven gear, a rotating screw rod, a movable sleeve ring, a linkage rod, a dredging rod and a dredging head, the supporting main pipe is erected on the rack, the driven gear is sleeved on the rotating screw rod, the rotating screw rod is rotatably arranged in the supporting main pipe, the dredging motor is sequentially connected with the driving gear and the driven gear, the movable sleeve ring sleeve penetrates through an open slot of the supporting main pipe and is sleeved on the rotating screw rod, and the outer wall of the movable sleeve ring is sequentially connected with the linkage rod, the dredging rod and the dredging head;

the using method comprises the following steps: at the place of mediation station, the mediation motor drive gear rotates, drive gear drives driven gear rotates, driven gear drives the rotation lead screw rotates, it makes to rotate the lead screw remove the lantern ring along the open slot removes, even make remove the lantern ring along the axial that supports the person in charge removes, it drives to remove the lantern ring the gangbar with the mediation pole removes, the mediation pole drives the mediation head enters into the inner space of first horizontal pipe or second horizontal pipe and release the pitch residue of inside jam.

One preferred scheme is that one side of the dredging head is provided with an annular structure, the annular structure is provided with a main body ring, a wall-mounted driving wheel, a plurality of driving wheels and a connecting assembly, the connecting assembly comprises an inclined sheet and a bending sheet which are symmetrically arranged, two ends of the bending sheet are arranged on the inclined sheet, one side of the bending sheet is provided with a wall-mounted scrubbing brush, two adjacent driving wheels are connected through the connecting assembly, the wall-mounted driving wheel is connected with a wall-mounted motor, the wall-mounted driving wheel is further connected with the adjacent driving wheels through the connecting assembly, the driving wheels are rotatably sleeved on the main body ring, and the inner wall of the main body ring is connected to the dredging rod through a supporting rod;

the using method comprises the following steps: work as the dredging rod drives the dredging head is in when first horizontal pipe or the inside of the horizontal pipe of second dredges pitch, the wall built-up motor drive the wall built-up drive wheel rotates, the wall built-up drive wheel passes through coupling assembling drives the driving wheel rotates, it is adjacent that the driving wheel is corresponding to drive through coupling assembling the driving wheel rotates, the piece of buckling is clear away to the pipeline inner wall at the pivoted in-process through the wall built-up scrubbing brush.

Drawings

FIG. 1 is a schematic view of the structure of an apparatus for producing modified asphalt according to the present invention.

FIG. 2 is a schematic view showing the internal structure of a mixed asphalt reaction tank of a modified asphalt production apparatus of the present invention.

FIG. 3 is a schematic structural diagram of the switching assembly of the apparatus for producing modified asphalt according to the present invention operating at the dredging station.

FIG. 4 is a schematic structural diagram of the switching assembly of the apparatus for producing modified asphalt according to the present invention operating at the dredging station.

FIG. 5 is a schematic view showing a partial structure of a switching unit of an apparatus for producing a modified asphalt according to the present invention.

FIG. 6 is a schematic view of a part of the structure of a dredging station of the apparatus for producing modified asphalt according to the present invention.

FIG. 7 is a partial schematic structure diagram of a dredging station of the apparatus for producing modified asphalt according to the present invention.

FIG. 8 is a schematic view showing the structure of a ring structure of an apparatus for producing a modified asphalt of the present invention.

FIG. 9 is a schematic view showing the structure of a ring structure of an apparatus for producing a modified asphalt of the present invention.

FIG. 10 is a schematic view showing the structure of a ring structure of an apparatus for producing a modified asphalt of the present invention.

Detailed Description

The first embodiment:

as shown in fig. 1 to 7, the present invention provides a modified asphalt production apparatus, which includes a recycled asphalt reaction tank 10, a base asphalt reaction tank 20, a mixed asphalt reaction tank 30, and a pipeline switching assembly 40.

The asphalt recycling reaction tank 10 is provided with a first discharge hole 11 and a first feeding hopper 12, the first feeding hopper 12 is used for storing asphalt regeneration materials, and the first discharge hole 11 is arranged at the lower end of the asphalt recycling reaction tank 13.

The basic asphalt reaction tank 20 is provided with a second discharge port 21 and a second charging hopper 22, the second discharge port 21 is arranged at the lower end of the basic asphalt reaction tank 23, and the second charging hopper 22 is used for storing asphalt modified materials.

The mixed asphalt reaction tank 30 has a first inlet 31 and a second inlet 32, the first outlet 11 is connected with the first inlet 31 through a first transverse pipe 33, and the second outlet 21 is connected with the second inlet 32 through a second transverse pipe 34.

The pipeline switching assembly 40 comprises a moving vehicle 41, a supporting body 42, a rotating rod 43, a first clamping piece 44, a second clamping piece 45, a rotating motor 46 and a gearbox 47, wherein the rotating motor 46 is connected with the rotating rod 43 through the gearbox 47, the rotating rod 43 is rotatably arranged on the supporting body 42, the first clamping piece 44 clamps the pipeline to be replaced, and the second clamping piece 45 is used for clamping the first transverse pipe 33 or the second transverse pipe 34.

Retrieve pitch retort 10, basic pitch retort 20 and mix pitch retort 30 and have jar body 1, zone of heating 2, puddler 3, and zone of heating 2 sets up in the intermediate layer of the jar body, and puddler 3 sets up at jar 1 inner space of body, and discharge gate 4 sets up the lower extreme at jar body 1.

s1: waste asphalt is recovered on a waste road surface through a milling machine, the waste asphalt is crushed to obtain asphalt particles with particle size meeting the requirement, the asphalt particles are sent into a recovered asphalt reaction tank 10, a softened asphalt state is obtained through heating and stirring, and a regenerated material auxiliary agent is added; after a certain period of heating and stirring, the asphalt in the recovered asphalt reaction tank 10 enters the first feeding hole 31 of the mixed asphalt reaction tank 30 along the first discharging hole 11 and the first transverse pipe 33;

s2: adding basic asphalt and a modified material auxiliary agent into the basic asphalt reaction tank 20, then obtaining modified asphalt under the action of heating and stirring, and enabling the modified asphalt to enter a second feeding hole 32 of the mixed asphalt reaction tank 30 through a second discharging hole 21 and a second transverse pipe 34;

s3: mixing, stirring and heating the recycled asphalt and the modified asphalt in a mixed asphalt reaction tank 30, and obtaining a uniformly dispersed modified recycled asphalt mixture after a certain time for subsequent pavement repair;

s4: moving the moving vehicle 41 to the position of the first transverse pipe 33, and clamping and fixing the first transverse pipe 33 by the second clamping piece 45; when the first transverse pipe 33 stops transporting the asphalt material, the first transverse pipe 33 is detached from the first discharge port 11 and the first feed port 31; the rotating rod 43 is driven to rotate by the rotating motor 46, so that the second clamping piece 45 drives the first transverse pipe 33 or the second transverse pipe 34 to rotate, the first clamping piece 44 drives the pipeline to be replaced to move to the installation station, the two ends of the pipeline to be installed are connected to the first feeding hole 31 and the first discharging hole 11 when the pipeline is installed at the installation station, then the device is moved to the dredging station to be dredged by the movement of the moving vehicle 41, and the dredging and cleaning work of the dismantled first transverse pipe 33 is completed at the dredging station; the same procedure is used to accomplish the removal, replacement and unclogging of the second transverse tube 34.

Second embodiment:

on the basis of the above embodiment, the embodiment further comprises a dredging assembly 50, the dredging assembly 50 is provided with a rack 51, a supporting main pipe 52, a dredging motor 53, a driving gear 54, a driven gear 55, a rotating screw rod 56, a moving collar 57, a linkage rod 58, a dredging rod 59 and a dredging head 60, the supporting main pipe 50 is erected on the rack 52, the driven gear 55 is sleeved on the rotating screw rod 56, the rotating screw rod 56 is rotatably arranged in the supporting main pipe 52, the dredging motor 53 is sequentially connected with the driving gear 54 and the driven gear 55, the moving collar 57 is sleeved on the rotating screw rod 56 by penetrating through an open slot 61 of the supporting main pipe 52, and the outer wall of the moving collar 57 is sequentially connected with the linkage rod 58, the dredging rod 59 and the dredging head 60;

the using method comprises the following steps: at the place of mediation station, when the locomotive 41 drove the pipeline of waiting to dredge and remove to this station promptly, dredge motor 53 drive gear 54 rotates, drive gear 54 drives driven gear 55 and rotates, driven gear 55 drives and rotates lead screw 56 and rotates, it makes removal lantern ring 57 remove along open slot 61 to rotate lead screw 56, it moves along the axial that supports main pipe 52 even to get to remove lantern ring 57, it drives gangbar 58 and dredge bar 59 and removes to remove lantern ring 57, dredge bar 59 drives dredge head 60 and enters into the inner space of first transverse pipe 33 or second transverse pipe 34 and release the pitch residue of inside jam.

The third embodiment:

on the basis of the above embodiments, as shown in fig. 8 to 10, the dredging head 60 of the present embodiment has an annular structure 70 on one side, the annular structure 70 has a main body ring 71, a hanging wall driving wheel 72, a plurality of driving wheels 73 and a connecting assembly 74, the connecting assembly 74 includes an inclined plate 76 and a bending plate 77 which are symmetrically arranged, two ends of the bending plate 77 are arranged on the inclined plate 76, one side of the bending plate 77 has a hanging wall plate brush 75, two adjacent driving wheels 73 are connected through the connecting assembly 74, the hanging wall driving wheel 72 is connected with a hanging wall motor, the hanging wall driving wheel 72 is further connected with the adjacent driving wheel 73 through the connecting assembly 74, the driving wheel 73 is rotatably sleeved on the main body ring 71, and the inner wall of the main body ring 71 is connected to the dredging rod 59 through a support rod 79;

the using method comprises the following steps: when the dredging rod 59 drives the dredging head 60 to dredge asphalt in the first transverse pipe 33 or the second transverse pipe 34, the wall-hanging motor drives the wall-hanging driving wheel 72 to rotate, the wall-hanging driving wheel 72 drives the driving wheel 73 to rotate through the connecting assembly 74, the driving wheel 73 correspondingly drives the adjacent driving wheel 73 to rotate through the connecting assembly 74, and the bending sheet 77 is cleaned of the inner wall of the pipeline through the wall-hanging plate brush 75 in the rotating process.

In other embodiments, the canted blade has a resilient construction, i.e., it is resiliently flexible when in contact with the inner wall of the conduit, to better conform to the inner wall of the conduit. The asphalt modifying agent adopts the agent with modification function given in the prior art, and is selected according to actual needs, such as SBS styrene thermoplastic elastomer. The asphalt recycling agent is an auxiliary agent having a recycling effect on asphalt in the prior art, and specifically, corn oil and lubricating oil are used.

Claims

1. A modified asphalt production device is characterized by comprising:

the base asphalt reaction tank is provided with a second discharge hole and a second feeding hopper, the second discharge hole is formed in the lower end of the base asphalt reaction tank, and the second feeding hopper is used for storing asphalt modified materials;

the pipeline switching assembly is provided with a moving vehicle, a supporting body, a rotating rod, a first clamping piece, a second clamping piece, a rotating motor and a gearbox, wherein the rotating motor is connected with the rotating rod through the gearbox;

the dredging device is characterized by further comprising a dredging component, wherein the dredging component is provided with a rack, a supporting main pipe, a dredging motor, a driving gear, a driven gear, a rotating screw rod, a moving sleeve ring, a linkage rod, a dredging rod and a dredging head, the supporting main pipe is erected on the rack, the driven gear is sleeved on the rotating screw rod, the rotating screw rod is rotatably arranged in the supporting main pipe, the dredging motor is sequentially connected with the driving gear and the driven gear, the moving sleeve ring sleeve penetrates through an open slot of the supporting main pipe and is sleeved on the rotating screw rod, and the outer wall of the moving sleeve ring is sequentially connected with the linkage rod, the dredging rod and the dredging head;

the wall-mounted type plate dredging device is characterized in that one side of the dredging head is provided with an annular structure, the annular structure is provided with a main body ring, a wall-mounted driving wheel, a plurality of driving wheels and a connecting assembly, the connecting assembly comprises an inclined piece and a bending piece which are symmetrically arranged, two ends of the bending piece are arranged on the inclined piece, one side of the bending piece is provided with a wall-mounted scrubbing brush, two adjacent driving wheels are connected through the connecting assembly, the wall-mounted driving wheel is connected with a wall-mounted motor, the wall-mounted driving wheel is further connected with the adjacent driving wheels through the connecting assembly, the driving wheels are rotatably sleeved on the main body ring, and the inner wall of the main body ring is connected to the dredging rod through a supporting rod;

the inclined sheet has an elastic structure, namely the inclined sheet has telescopic elasticity when contacting the inner wall of the pipeline so as to better adapt to the inner wall of the pipeline;

the distance between the wall-hanging scrubbing brush and the inner wall of the pipeline is continuously changed, and the contact pressure of the wall-hanging scrubbing brush and the inner wall of the pipeline is released through the elastic oblique piece.

2. The apparatus for producing modified asphalt according to claim 1, wherein the asphalt recycling tank, the asphalt basic tank, and the asphalt mixing tank have a tank body, a heating layer, and a stirring rod, the heating layer is disposed in the interlayer of the tank body, the stirring rod is disposed in the inner space of the tank body, and the discharge port is disposed at the lower end of the tank body.

3. The method for using a modified asphalt production plant according to claim 1, comprising the steps of:

s4: moving the moving vehicle to the position of a first transverse pipe, and clamping and fixing the first transverse pipe through the second clamping piece; when the first transverse pipe stops transporting the asphalt materials, the first transverse pipe is detached from the first discharge port and the first feed port; the rotating rod is driven to rotate by the rotating motor, so that the second clamping piece drives the first transverse pipe or the second transverse pipe to rotate and leave an installation station, the first clamping piece drives the pipeline to be replaced to move to the installation station, two ends of the pipeline to be installed are connected to the first feeding hole and the first discharging hole when the pipeline is installed at the installation station, then the pipeline is moved to the dredging station by the movement of the moving vehicle, and the dredging and cleaning work of the disassembled first transverse pipe is completed at the dredging station; the same steps are adopted to finish the operations of disassembling, replacing and dredging the second transverse pipe;

the use method further comprises the following steps: at a dredging station, the dredging motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the rotating screw rod to rotate, the rotating screw rod enables the moving lantern ring to move along the open slot, namely the moving lantern ring moves along the axial direction of the support main pipe, the moving lantern ring drives the linkage rod and the dredging rod to move, and the dredging rod drives the dredging head to enter the inner space of the first transverse pipe or the second transverse pipe and push out asphalt residues blocked inside;

the use method further comprises the following steps: work as the dredging rod drives the dredging head is in when first horizontal pipe or the inside of the horizontal pipe of second dredges pitch, the wall built-up motor drive the wall built-up drive wheel rotates, the wall built-up drive wheel passes through coupling assembling drives the driving wheel rotates, it is adjacent that the driving wheel is corresponding to drive through coupling assembling the driving wheel rotates, the piece of buckling is clear away to the pipeline inner wall at the pivoted in-process through the wall built-up scrubbing brush.