CN112725001A - Rubber asphalt modification system - Google Patents
Rubber asphalt modification system Download PDFInfo
- Publication number
- CN112725001A CN112725001A CN202011508447.1A CN202011508447A CN112725001A CN 112725001 A CN112725001 A CN 112725001A CN 202011508447 A CN202011508447 A CN 202011508447A CN 112725001 A CN112725001 A CN 112725001A
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- Prior art keywords
- stirring
- pipe
- soon
- grinding
- milling
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/005—Working-up pitch, asphalt, bitumen by mixing several fractions (also coaltar fractions with petroleum fractions)
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/02—Working-up pitch, asphalt, bitumen by chemical means reaction
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/14—Solidifying, Disintegrating, e.g. granulating
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/18—Removing in solid form from reaction vessels, containers and the like, e.g. by cutting out, by pressing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Machines (AREA)
Abstract
The invention relates to the field of asphalt modification, in particular to a rubber asphalt modification system, which comprises a rack, a stirring box, a milling unit and two stirring units, wherein each stirring unit comprises a rotating pipe and a plurality of stirring parts, and the rotating pipe is provided with a feeding hole; each stirring part comprises a stirring frame, a baffle, a sliding plate and a push plate, one end of the stirring frame is communicated with the rotating pipe, the other end of the stirring frame is hinged with the baffle, the sliding plate is arranged on the stirring frame in a sliding mode and penetrates through the rotating pipe, one end of the sliding plate is hinged with the baffle, and the push plate is fixedly connected with the sliding plate; the unit of milling includes the runner stone, down mill and pushes away the portion soon, all is equipped with the grinding tooth on runner stone and the lower mill, and the cover has the cover of milling with runner stone matching on the runner stone, pushes away the portion including pushing away the pipe soon, and the pipe can drive the runner stone and remove and rotate soon, and the pipe can make the grinding tooth of the cover of milling take place to deform soon. When the technical scheme is adopted, the asphalt is conveniently and fully ground, and the mixing effect of the modifier and the asphalt is favorably improved.
Description
Technical Field
The invention relates to the field of asphalt modification, in particular to a rubber asphalt modification system.
Background
Before mixing the asphalt and the granular modifier, the asphalt block needs to be lifted to a softening tank by a lifting mechanism for melting, and the molten asphalt enters a mixing device to be mixed and modified with the modifier. When modifier and pitch mix, because pitch viscidity is great, the phenomenon appears piling up easily in the raw materials between each stirring piece simultaneously stirring process to lead to the mixing effect of modifier and pitch to be relatively poor, when milling pitch after mixing moreover, pitch also glues easily on the mill, influences the effect of milling.
Disclosure of Invention
The invention aims to provide a system which is beneficial to improving the mixing effect of asphalt and a modifier and is convenient for fully grinding the asphalt.
In order to achieve the purpose, the technical scheme of the invention provides a rubber asphalt modification system which comprises a rack, a stirring box, a grinding unit and two stirring units, wherein each stirring unit comprises a rotating pipe and a plurality of stirring parts, and the rotating pipe is provided with a feeding hole; each stirring part comprises a stirring frame, a baffle, a sliding plate and a push plate, one end of the stirring frame is communicated with the rotating pipe, the other end of the stirring frame is hinged with the baffle, the sliding plate is arranged on the stirring frame in a sliding mode and penetrates through the rotating pipe, one end of the sliding plate is hinged with the baffle, and the push plate is fixedly connected with the sliding plate; the unit of milling includes the runner stone, down mill and pushes away the portion soon, all is equipped with the grinding tooth on runner stone and the lower mill, and the cover has the cover of milling with runner stone matching on the runner stone, also is equipped with the grinding tooth on the cover of milling, pushes away the portion including pushing away soon, and the pushing away pipe can drive the runner stone and remove and rotate soon, and the pushing away pipe can make the grinding tooth of the cover of milling take place deformation soon.
The technical effect of the scheme is as follows: the molten asphalt enters into the rotating pipe through the feeding hole, and the modifier enters into the other rotating pipe; when the rotating pipe rotates, the modifier and the asphalt move along the axial direction of the rotating pipe and enter the stirring frame, and the baffle plate is opened outwards under the action of centrifugal force and the thrust of the modifier and the asphalt, so that the stirring range is expanded, and the mixing effect is improved; the modifier and the asphalt are relatively thrown out from the stirring frame in a waterfall-shaped manner in the process of opening the baffle, so that the modifier and the asphalt are dispersed and the modifier is fully wrapped by the asphalt, and the modification and mixing effects are improved; in addition, the sliding plate and the push plate are driven to move in the process of opening the baffle plate, and the push plate moves to drive the raw materials stacked at two adjacent stirring frames to move, so that the raw materials are fully stirred; meanwhile, the sliding plate is in contact with the modifier and the asphalt in the rotating pipe in the moving process, so that the modifier is prevented from being blocked or the asphalt is prevented from being stuck in the rotating pipe to cause the blockage of the rotating pipe.
The mixed modifier and asphalt enter between the upper millstone and the lower millstone through the rotary push pipe, the modifier and the asphalt are milled in the rotating process of the upper millstone, when the asphalt is adhered to the grinding teeth and between the adjacent grinding teeth, the rotary push pipe pushes the grinding teeth of the grinding sleeve to deform so that the grinding surface of the grinding sleeve is gradually flattened, the lower millstone scrapes the modifier and the asphalt on the upper millstone in the continuous rotating process of the upper millstone, the asphalt is prevented from being adhered to the grinding sleeve, and the grinding sleeve restores the original shape after the rotary push pipe drives the upper millstone to restore, so that the modifier and the asphalt are fully milled.
Furthermore, the grinding sleeve is clamped with the upper grinding disc. The technical effect of the scheme is as follows: is beneficial to improving the stability of the milling sleeve.
Furthermore, a grinding sleeve matched with the lower grinding disc is also sleeved on the lower grinding disc. The technical effect of the scheme is as follows: is beneficial to improving the grinding effect.
Furthermore, be equipped with on the pipe that pushes away soon and come the material mouth, be fixed with the sleeve in the frame, telescopic lateral wall is equipped with and comes the material hole, and the pipe that pushes away soon rotates with the sleeve to be connected, and the material mouth that comes can aim at with the material hole that comes. The technical effect of the scheme is as follows: the rotary push pipe is convenient to rotate and move while feeding is convenient.
Further, the unit of milling still includes motor and cylinder, and the cylinder is fixed in the frame, and the pipe that pushes away soon passes through the motor to be connected with the cylinder. The technical effect of the scheme is as follows: compare in the pipe that pushes away soon and be connected through cylinder and motor, this scheme is fixed the cylinder, has avoided the cylinder to be in the winding problem of trachea when rotatory.
Furthermore, the outer side wall of the lower grinding disc is provided with an annular groove. The technical effect of the scheme is as follows: the raw materials after being ground are convenient to collect and discharge.
Drawings
FIG. 1 is a front cross-sectional view of a stirring box and two stirring units in an embodiment of the invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
figure 3 is a front cross-sectional view of a milling unit in an embodiment of the invention;
figure 4 is a three-dimensional schematic view of a milling sleeve;
FIG. 5 is a partial schematic view of a lifting unit according to a second embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 3 at B;
fig. 7 is a three-dimensional schematic view of a lifting block.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the stirring device comprises a stirring box 1, a rotating pipe 2, a hole 3, a stirring frame 4, a baffle 5, a sliding plate 6, a push plate 7, a driving tooth 8, a lifting block 9, a fixed block 10, a movable block 11, a lifting box 12, a notch 13, a stabilizing block 14, an upper grinding disc 15, a lower grinding disc 16, a grinding sleeve 17, a rotary push pipe 18 and a sleeve 19.
The first embodiment is as follows:
the first embodiment is substantially as shown in figures 1 to 5: the rubber asphalt modification system shown in fig. 1 and 3 comprises a frame, a stirring box 1, a grinding unit and two stirring units, wherein as shown in fig. 1, the side wall of the stirring box 1 and the bottom of the stirring box 1 are in circular arc transition, each stirring unit comprises a rotating pipe 2 and six stirring parts, the front end and the rear end of each rotating pipe 2 are sealed, the rotating pipe 2 on the left side is used for conveying asphalt, and the rotating pipe 2 on the right side is used for conveying a modifier.
A sleeve (not shown in the figure) is welded on the rack, the sleeve is positioned outside the stirring box 1, a feeding hole is formed in the upper side wall of the sleeve, a feeding pipe is connected to the feeding hole, a hopper is welded on the rack, and the feeding pipe is connected with the hopper; the rotating tube 2 runs through the front and back side walls of the stirring box 1, the rotating tube 2 is rotatably connected with the front and back side walls of the stirring box 1 and the inner side wall of the sleeve, a feed port is formed in the rotating tube 2, the feed port of the rotating tube 2 is rotatably connected with the sleeve, and the feed port can be aligned with a feed hole in the rotating process of the rotating tube 2.
A first gear is coaxially welded on the rotating pipe 2 and is positioned outside the stirring box 1; a first servo motor is fixed on the rack through bolts, the type of the first servo motor can be MR-J2S-100A, a second gear is coaxially welded on an output shaft of the first servo motor, and the second gear is meshed with the first gear.
Each stirring part is positioned in the stirring box 1, as shown in fig. 2, each stirring part comprises a stirring frame 4, a baffle plate 5, a sliding plate 6 and a push plate 7, the left end of the stirring frame 4 is welded with the rotating pipe 2, the side wall of the rotating pipe 2 is provided with a channel, and the stirring frame 4 is communicated with the rotating pipe 2; the right end of the stirring frame 4 is hinged with the baffle 5 through a pin shaft.
Open on the lateral wall of stirring frame 4 has the spout, and open the lateral wall of rotating-tube 2 has the slide, and slide 6 slides and sets up in spout and slide, installs the extension spring in the slide, and the right-hand member of extension spring and the right side wall welding of spout, the left end and the 6 welding of slide of extension spring. The right end of the sliding plate 6 is hinged with the baffle 5 through a pin shaft, the push plate 7 is welded with the sliding plate 6, the push plate 7 is arc-shaped, and the push plate 7 is provided with a hole 3.
As shown in fig. 3, the grinding unit includes an upper grinding disc 15, a lower grinding disc 16 and a rotary pushing part, the lower grinding disc 16 is fixed on the frame by bolts, and an annular groove is formed on the outer side wall of the lower grinding disc 16; the upper millstone 15 and the lower millstone 16 are both provided with grinding teeth, the upper millstone 15 and the lower millstone 16 are both sleeved with a grinding sleeve 17 (only the grinding sleeve 17 on the upper millstone 15 is shown in figure 3), the grinding sleeve 17 is clamped with the middle parts of the upper millstone 15 and the lower millstone 16, as shown in figure 4, the grinding sleeve 17 is also provided with grinding teeth, and the grinding sleeve 17 is made of metal and can be deformed similarly to a belleville spring.
The rotary pushing part comprises a second servo motor, an air cylinder and a rotary pushing pipe 18, the air cylinder is fixed on the rack through bolts, the air cylinder can be an SC air cylinder of an Alder type, the second servo motor is welded with an output shaft of the air cylinder, the type of the second servo motor is the same as that of the first servo motor, the upper end of the rotary pushing pipe 18 is welded with the output shaft of the second servo motor, and the lower end of the rotary pushing pipe 18 is connected with the upper grinding disc 15 in a sliding mode and is welded with the grinding sleeve 17; it has the material mouth to open on the pipe 18 that pushes away soon, and the welding has sleeve 19 in the frame, and sleeve 19 is similar to aforementioned sleeve pipe, and the lateral wall of sleeve 19 is opened there is the material hole, and the pipe 18 that pushes away soon rotates with sleeve 19 to be connected, and the material mouth that supplies can align with the material hole that supplies, and the material hole that supplies of sleeve 19 communicates with the bottom of agitator tank 1.
The specific implementation process is as follows:
after the asphalt passes through the hopper, the feeding pipe and the feeding hole, in the rotating process of the rotating pipe 2, when the feeding hole is aligned with the feeding hole, the modifier enters the rotating pipe 2 on the right side, and the modifier enters the rotating pipe 2 on the left side.
As shown in figure 1, when the left rotating pipe 2 rotates clockwise and the right rotating pipe 2 rotates anticlockwise, the modifier and the asphalt move in the rotating pipe 2 and enter the stirring frame 4 through the channel, and the baffle 5 is opened outwards under the action of centrifugal force and the thrust of the modifier and the asphalt, so that the stirring range is expanded, and the mixing effect is improved.
In the process of opening the baffle 5, the modifier and the asphalt are relatively sprinkled out of the stirring frame 4 in a waterfall shape, so that the modifier and the asphalt are dispersed and the modifier is fully wrapped by the asphalt, and the improvement of modification and mixing effects is facilitated.
The baffle 5 is opened the in-process still drives slide 6 and push pedal 7 and removes, and push pedal 7 removes and drives the raw materials (modifier and pitch) of piling up 4 departments at two adjacent stirring frames and remove to the realization is to the intensive mixing of raw materials.
The in-process that slide 6 removed contacts with modifier and pitch in the rotating tube 2 to prevent that the modifier from piling up the card and causing the rotating tube 2 to block up in the rotating tube 2, also can prevent simultaneously that pitch from gluing in the rotating tube 2 and causing the rotating tube 2 to block up.
The mixed modifier and asphalt enter between an upper grinding disc 15 and a lower grinding disc 16 after passing through a material feeding hole, a material feeding hole and a rotary push pipe 18, the modifier and the asphalt are ground in the process that a second servo motor drives the upper grinding disc 15 to rotate, when the asphalt is adhered to grinding teeth and between adjacent grinding teeth, an air cylinder is started to drive the rotary push pipe 18 to move downwards to push the grinding teeth of a grinding sleeve 17 to deform, so that the grinding surface of the grinding sleeve 17 is gradually flattened, and the modifier and the asphalt on the upper grinding disc 15 are scraped by the lower grinding disc 16 in the process that the upper grinding disc 15 continues to rotate, so that the asphalt is prevented from being adhered to the grinding sleeve 17; the rotary push pipe 18 drives the upper grinding disc 15 to reset through the air cylinder, and then the grinding sleeve 17 restores the shape to the shape shown in figure 3, so that the modifier and the asphalt are fully ground.
Example two:
on the basis of the first implementation, the rubber asphalt mixing device further comprises a lifting unit for lifting the asphalt blocks into the softening tank, as shown in fig. 5, the lifting unit comprises a stepping motor, a driving tooth 8, a driven tooth and a lifting chain, the model of the stepping motor can be SPS57HS13, the driving tooth 8 and the driven tooth are rotatably arranged on the rack, and an output shaft of the stepping motor is welded with the driving tooth 8. The lifting chain comprises a plurality of lifting blocks 9, as shown in fig. 7, two ends of each lifting block 9 are oval, two adjacent lifting blocks 9 are overlapped in a front-back staggered manner, namely the middle lifting block 9 is positioned behind the other two lifting blocks 9, and the end parts of the two adjacent lifting blocks 9 are hinged through a pin shaft; each lifting block 9 is welded with a fixed block 10, and the fixed blocks 10 are hinged with movable blocks 11 through hinges; as shown in fig. 6, the movable block 11 located behind is welded with a lifting box 12, the bottom of the lifting box 12 is inclined, the lifting box 12 includes an opening end, and the opening end of the lifting box 12 is provided with a notch 13.
A stabilizing block 14 is welded on the fixed block 10, the lifting box 12 is hinged with the stabilizing block 14 through a pin shaft, and an inclined plane is arranged on the stabilizing block 14; when the lift box 12 is moved to the upper left corner, the upper right corner, and the upper right corner of the drive roller, the fixed block 10 on the lift block 9 located at the rear and the movable block 11 hinged to the fixed block 10 can be in contact with both ends of the lift block 9 located at the front.
After the asphalt blocks are loaded into the lifting box 12 shown in fig. 5, the lifting box 12 is lifted vertically and upwards in the running process of the lifting chain, and the movable block 11 and the lifting box 12 are static relative to the fixed block 10 under the locking and supporting action of the fixed block 10 on the movable block 11; since the two ends of the lifting block 9 are oval, when the lifting box 12 with the asphalt blocks moves to the driving tooth 8, taking fig. 6 as an example, the fixed block 10 on the rear lifting block 9 and the movable block 11 hinged to the fixed block 10 contact with the two ends of the lifting block 9 located in front, that is, the two ends of the lifting block 9 located in front support the fixed block 10 on the rear lifting block 9 and the movable block 11 hinged to the fixed block 10, so that the lifting box 12 does not rotate when passing through the upper left corner and the upper right corner of the driving tooth 8; but after the lifting box 12 is located the right side of driving tooth 8, namely, the fixed block 10 on the lifting block 9 located behind and the movable block 11 hinged to the fixed block 10 no longer contact with the two ends of the lifting block 9 located in front, under the action of gravity of the lifting box 12, the lifting box 12 and the movable block 11 rotate clockwise relative to the fixed block 10, so that the open end of the lifting box 12 faces downward, wherein it should be noted that, when the lifting box 12 is located at the upper left corner and the upper right corner of the driving tooth 8, even if the lifting box 12 rotates, the open end of the lifting box 12 cannot face downward, namely, even if the lifting box 12 rotates at the upper right corner of the driving tooth 8, the asphalt blocks cannot be discharged.
And promote box 12 and move behind the right side of initiative tooth 8, promote box 12 and the clockwise rotation of movable block 11 and can make the open end that promotes box 12 down, when promoting the open end of box 12 down, the movable block 11 produces the striking with the tip that is located the promotion piece 9 in the place ahead, thereby ensure to produce the striking and can make the adhesion unload to the hopper in the pitch piece that promotes box 12 in the hopper completely when promoting the open end of box 12 down, it just rotates at the upper right corner of initiative tooth 8 just to have overcome to promote box 12, will wait a period after the rotation and make the open end that promotes box 12 down the problem of just can unloading, because rotate earlier and produce the shake, pitch piece can once more the adhesion in promoting box 12 after being heated when unloading.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. Rubber asphalt system of modifying which characterized in that: the device comprises a rack, a stirring box, a grinding unit and two stirring units, wherein each stirring unit comprises a rotating pipe and a plurality of stirring parts, and the rotating pipe is provided with a feeding hole; each stirring part comprises a stirring frame, a baffle, a sliding plate and a push plate, one end of the stirring frame is communicated with the rotating pipe, the other end of the stirring frame is hinged with the baffle, the sliding plate is arranged on the stirring frame in a sliding mode and penetrates through the rotating pipe, one end of the sliding plate is hinged with the baffle, and the push plate is fixedly connected with the sliding plate; the unit of milling includes the runner stone, down mill and pushes away the portion soon, all is equipped with the grinding tooth on runner stone and the lower mill, and the cover has the cover of milling with runner stone matching on the runner stone, also is equipped with the grinding tooth on the cover of milling, pushes away the portion including pushing away soon, and the pushing away pipe can drive the runner stone and remove and rotate soon, and the pushing away pipe can make the grinding tooth of the cover of milling take place deformation soon.
2. The rubberized asphalt modification system of claim 1, wherein: the grinding sleeve is clamped with the upper grinding disc.
3. The rubberized asphalt modification system of claim 2, wherein: the lower grinding disc is also sleeved with a grinding sleeve matched with the lower grinding disc.
4. The rubberized asphalt modification system of claim 3, wherein: be equipped with on the pipe that pushes away soon and come the material mouth, be fixed with the sleeve in the frame, telescopic lateral wall is equipped with and comes the material hole, and the pipe that pushes away soon rotates with the sleeve to be connected, and the material mouth that comes can be aimed at with the material hole that comes.
5. The rubberized asphalt modification system of claim 4, wherein: the milling unit further comprises a motor and an air cylinder, the air cylinder is fixed on the rack, and the rotary push pipe is connected with the air cylinder through a first servo motor.
6. The rubberized asphalt modification system of claim 5, wherein: the outer side wall of the lower grinding disc is provided with an annular groove.
Priority Applications (1)
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CN202011508447.1A CN112725001B (en) | 2020-12-18 | 2020-12-18 | Rubber asphalt modification system |
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CN202011508447.1A CN112725001B (en) | 2020-12-18 | 2020-12-18 | Rubber asphalt modification system |
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CN112725001A true CN112725001A (en) | 2021-04-30 |
CN112725001B CN112725001B (en) | 2021-11-19 |
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