CN113214664A - Production process of modified asphalt - Google Patents
Production process of modified asphalt Download PDFInfo
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- CN113214664A CN113214664A CN202110595351.1A CN202110595351A CN113214664A CN 113214664 A CN113214664 A CN 113214664A CN 202110595351 A CN202110595351 A CN 202110595351A CN 113214664 A CN113214664 A CN 113214664A
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- stirring
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- modified asphalt
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
- B01F33/813—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles mixing simultaneously in two or more mixing receptacles
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Road Paving Machines (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to a production process of modified asphalt, belonging to the technical field of road asphalt. The method is characterized by comprising the following steps: (1) preparing matrix asphalt; (2) preparing a modifier and auxiliary materials; (3) putting the matrix asphalt and the modifier into a stirring cavity through conveying equipment, and uniformly stirring through a disc type stirring device to prepare a mixture; (4) adding auxiliary materials into the mixture in the stirrer through conveying equipment, and uniformly stirring through a disc type stirring device to obtain modified asphalt; wherein the modifier adopts SBS, and the auxiliary materials comprise stabilizer, antioxidant and plasticizer. On one hand, the invention improves the product performance by optimizing the process method; on the other hand, a special matched stirring device suitable for stirring asphalt is designed to overcome the condition of high asphalt stirring viscosity.
Description
Technical Field
The invention relates to modified asphalt, in particular to a production process of modified asphalt, and belongs to the technical field of preparation of road asphalt.
Background
Asphalt is used as the major factor in urban road construction at present, and is concerned by industry research and development personnel for many years. Because the product has a complex use environment and high requirements on paving effect, the modification of common asphalt becomes the research and development focus in the current industry in order to improve the asphalt product which meets the technical requirements. Because the modifier required to be added is required to be fully combined with the matrix asphalt body, the research and development of the product also have two parts, on one hand, the formula and the production process of the modified asphalt are optimized as much as possible; in the second aspect, since asphalt has a high viscosity, when a general stirring apparatus is used, adhesion of the stirring apparatus often occurs, and it is also necessary to design and manufacture the asphalt in a customized manner. The inventor perfects a set of production process of modified asphalt by researching, developing and modifying related processes and equipment by combining years of asphalt production experience so as to solve the technical problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a modified asphalt production process, which improves the product performance by optimizing a process method; on the other hand, a special matched stirring device suitable for stirring asphalt is designed to overcome the condition of high asphalt stirring viscosity.
The invention is realized by adopting the following technical scheme in order to realize the aim of the invention,
a production process of modified asphalt comprises the following steps:
(1) preparing matrix asphalt;
(2) preparing a modifier and auxiliary materials;
(3) putting the matrix asphalt and the modifier into a stirring cavity through conveying equipment, and uniformly stirring through a disc type stirring device to prepare a mixture;
(4) adding auxiliary materials into the mixture in the stirrer through conveying equipment, and uniformly stirring through a disc type stirring device to obtain modified asphalt;
wherein the modifier adopts SBS, and the auxiliary materials comprise stabilizer, antioxidant and plasticizer.
Preferably, the modifier is treated as follows: standing and soaking SBS for 60-85 min; the addition amount of the modifier is 1-1.5% of the mass of the base asphalt.
Preferably, the stabilizing agent is sulfur powder, and the addition amount of the stabilizing agent is 0.5-0.85% of the mass of the matrix asphalt; the antioxidant is 1010, and the addition amount of the antioxidant is 0.3-0.5% of the mass of the matrix asphalt; the plasticizer is dioctyl phthalate, and the addition amount of the plasticizer is 1-3% of the mass of the matrix asphalt.
The modified asphalt production equipment comprises conveying equipment, a stirring cavity and a storage tank, wherein the conveying equipment is arranged above the stirring cavity, and the storage tank is arranged below the stirring cavity; the conveying equipment is an auger conveying pipe, a feed inlet is formed in the upper end face of the auger conveying pipe, and more than two discharge outlets are formed in the lower end face of the auger conveying pipe; a feeding motor is arranged on one side of the packing auger delivery pipe; the feeding motor drives the packing auger to rotate; more than two disc type stirring devices are arranged in the stirring cavity; the upper end surface of the stirring cavity is provided with more than two butt joints, and the lower end surface of the stirring cavity is provided with two blanking ports; the upper end surface of the storage tank is provided with two material conveying ports, and the side wall of the storage tank is provided with a material inlet and a material outlet; the butt joint port on the stirring cavity is in butt joint with the discharge port on the auger delivery pipe; and the material conveying port on the storage tank is in butt joint with the material dropping port on the stirring cavity.
Preferably, the disc type stirring device comprises an inner stirring disc, an outer stirring disc, a stirring rotating shaft, a stirring arm, a driving arm and a driving wheel, wherein the outer stirring disc and the inner stirring disc are both cylinders with one open ends; the closed end of the inner stirring disc is sleeved in the closed end of the outer stirring disc, rotating shaft holes are transversely formed in the side wall of the outer stirring disc in an array mode, and stirring rotating shafts are sleeved in the rotating shaft holes; one end of the stirring rotating shaft penetrating out of the external stirring disk is provided with a threaded hole, and one end of the stirring rotating shaft penetrating into the external stirring disk is provided with a driving arm; two driving wheels are arranged on the driving arm; a screw is fixed in the threaded hole; the screw is provided with a stirring arm; a clamping groove is arranged on the driving wheel, and a clamping tooth is arranged on the end surface of the open end of the inner stirring disc; the clamping teeth on the inner stirring disc and the clamping grooves on the driving wheel are mutually clamped; a sleeve is arranged at the center of the circle of the internal stirring disc; a sleeve column is sleeved in the sleeve; one end of the sleeve column penetrating through the inner stirring disc is fixed at the circle center position of the inner wall of the outer stirring disc, and one end of the sleeve column penetrating through the inner stirring disc is connected with a driving motor.
Preferably, the driving motor is arranged in a motor fixing cavity, and the motor fixing cavity is a cylinder with an opening at the upper end; the open end of the motor fixing cavity penetrates into the open end of the external stirring disc; radiating holes are arrayed on the side wall of the closed end of the motor fixing cavity; the lower edge of the sleeve of the inner stirring disc is provided with an isolation cover; the isolation cover is conical; the closing end of the isolation cover is fixed at the lower edge of the sleeve of the inner stirring disc, and the open end of the isolation cover is fixed at the open end of the motor fixing cavity.
Preferably, a triangular groove is formed in the side wall of the open end of the inner stirring disc, and a stop block is arranged below the triangular groove; the baffle block is vertically and parallelly arranged with the side wall of the inner stirring disc; and a turning track is arranged between the stop block and the side wall of the open end of the inner stirring disc.
Preferably, when the disc stirring device operates, the driving motor drives the outer stirring disc to rotate through the sleeve column, the outer stirring disc drives the stirring rotating shaft to rotate when rotating, the stirring rotating shaft drives the driving wheel to rotate along the lower edge of the opening end of the inner stirring disc through the clamping groove and the clamping teeth when rotating, the driving wheel rotates to the overturning track along the opening end of the inner stirring disc, the front driving wheels of the two driving gears on the driving arm move upwards along the overturning track, and meanwhile, the stirring rotating shaft continues to rotate under the driving of the outer stirring disc, so that the rear driving wheels of the two driving gears on the driving arm move downwards along the overturning track, and the 360-degree rotation of the driving arm is realized.
Preferably, a switch valve is arranged between the material conveying port on the storage tank and the material dropping port on the stirring cavity.
Preferably, a support column is arranged between the stirring cavity and the storage tank.
The invention has the beneficial effects that:
1. the modified asphalt prepared by the invention has better compatibility of two substances by adding and fusing the modifier to the base asphalt under accurate temperature control, so that the finally prepared modified asphalt product has the advantages of good stability, no delamination and the like, and has the characteristics of good stability and large ductility.
2. The invention adopts brand-new stirring equipment, and because the viscosity of the asphalt product is larger, a plurality of asphalt products are adhered on a too complicated stirring contact surface during stirring, so that the product is difficult to transfer from the stirring equipment, and the stirring arm of the stirring equipment is difficult to clean after production and use. In order to improve stirring efficiency and make whole agitated vessel reduce the big influence of viscidity when product stirring and product ejection of compact, the inventor has adopted closed cylindric mode, accomplishes big component overall arrangement through the mode of stirring the dish outside a plurality of in stirring intracavity parallel arrangement, sets up a plurality of stirring arms that can dismantle through stirring outward again and accomplishes whole stirring process. The arrangement of the mode can bring two beneficial effects, firstly, the sealing cylinder body adopts smooth surface contact asphalt materials to reduce the adhesion condition; secondly, a plurality of small-size rabbling arms are the circumference operation to for detachable setting, when needs clearance, only need pull down small-size rabbling arm and wash alone can.
3. In the mixing and stirring link of the modifier and the matrix asphalt, because the sealed small stirring arm is adopted for stirring, the vertical type of a common stirring tank is changed into flat stirring, and the space of a stirring cavity outside an external stirring disc is limited, so that the mixing, cutting and stirring effects are improved. In order to improve the stirring effect, the inventor adds a running track which can enable the stirring arm to turn over in the normal running process of the stirring arm. The rabbling arm is controlled by the stirring pivot, and the stirring pivot is receiving outer stirring dish normal rotation drive's in-process, only through reforming transform in the lower edge setting of stirring dish opening end, just formed orbit fluctuation and warp, further coordinates two drive wheels, under the condition that need not to add other power, just very convenient realization the upset of rabbling arm, the very big increase of transformation of this structure is to the shearing stirring effect of pitch material.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of an outer stirring disc and an inner stirring disc;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic diagram of the driving arm and the driving wheel along the track of the inner stirring disc;
FIG. 5 is a schematic structural view of a shield;
1. a stirring chamber; 2. a discharge port; 3. a packing auger delivery pipe; 4. supporting the upright post; 5. an external stirring disc; 6. an inner stirring disc; 7. sleeving a column; 8. a sleeve; 9. a drive motor; 10. a drive arm; 11. a drive wheel; 12. a stirring rotating shaft; 13. a motor fixing cavity; 14. an isolation cover; 15. a stopper; 16. heat dissipation holes; 17. a blanking port; 18. an on-off valve; 19. a material conveying port; 20. a butt joint port; 21. storing and irrigating; 22. an entrance and an exit; 23. a feed inlet; 24. a feeding motor; 25. a screw; 26 stirring the arms.
The specific implementation mode is as follows:
in order to better understand the invention, the following examples further illustrate the content of the invention, but the content of the invention is not limited to the following examples, and the examples should not be construed as limiting the scope of the invention.
As shown in figure 1, modified asphalt production equipment comprises conveying equipment, a stirring cavity and a storage tank, wherein the conveying equipment is arranged above the stirring cavity, and the storage tank is arranged below the stirring cavity; the conveying equipment is an auger conveying pipe, a feed inlet is formed in the upper end face of the auger conveying pipe, and more than two discharge outlets are formed in the lower end face of the auger conveying pipe; a feeding motor is arranged on one side of the packing auger delivery pipe; the feeding motor drives the packing auger to rotate; more than two disc type stirring devices are arranged in the stirring cavity; the upper end surface of the stirring cavity is provided with more than two butt joints, and the lower end surface of the stirring cavity is provided with two blanking ports; the upper end surface of the storage tank is provided with two material conveying ports, and the side wall of the storage tank is provided with a material inlet and a material outlet; the butt joint port on the stirring cavity is in butt joint with the discharge port on the auger delivery pipe; and the material conveying port on the storage tank is in butt joint with the material dropping port on the stirring cavity.
As shown in fig. 2 and 3, the disc type stirring device comprises an inner stirring disc, an outer stirring disc, a stirring rotating shaft, a stirring arm, a driving arm and a driving wheel, wherein the outer stirring disc and the inner stirring disc are both cylinders with one open ends; the closed end of the inner stirring disc is sleeved in the closed end of the outer stirring disc, rotating shaft holes are transversely formed in the side wall of the outer stirring disc in an array mode, and stirring rotating shafts are sleeved in the rotating shaft holes; one end of the stirring rotating shaft penetrating out of the external stirring disk is provided with a threaded hole, and one end of the stirring rotating shaft penetrating into the external stirring disk is provided with a driving arm; two driving wheels are arranged on the driving arm; a screw is fixed in the threaded hole; the screw is provided with a stirring arm; a clamping groove is arranged on the driving wheel, and a clamping tooth is arranged on the end surface of the open end of the inner stirring disc; the clamping teeth on the inner stirring disc and the clamping grooves on the driving wheel are mutually clamped; a sleeve is arranged at the center of the circle of the internal stirring disc; a sleeve column is sleeved in the sleeve; one end of the sleeve column penetrating through the inner stirring disc is fixed at the circle center position of the inner wall of the outer stirring disc, and one end of the sleeve column penetrating through the inner stirring disc is connected with a driving motor.
As shown in fig. 5, the driving motor is arranged in the motor fixing cavity, and the motor fixing cavity is a cylinder with an opening at the upper end; the open end of the motor fixing cavity penetrates into the open end of the external stirring disc; radiating holes are arrayed on the side wall of the closed end of the motor fixing cavity; the lower edge of the sleeve of the inner stirring disc is provided with an isolation cover; the isolation cover is conical; the closing end of the isolation cover is fixed at the lower edge of the sleeve of the inner stirring disc, and the open end of the isolation cover is fixed at the open end of the motor fixing cavity.
As shown in fig. 4, a triangular groove is formed on the side wall of the open end of the inner stirring disc, and a stop block is arranged below the triangular groove; the baffle block is vertically and parallelly arranged with the side wall of the inner stirring disc; and a turning track is arranged between the stop block and the side wall of the open end of the inner stirring disc.
When the disc type stirring device operates, the driving motor drives the outer stirring disc to rotate through the sleeve column, the outer stirring disc drives the stirring rotating shaft to rotate when rotating, the stirring rotating shaft drives the driving wheel to rotate along the lower edge of the inner stirring disc opening end through the clamping groove and the clamping teeth when rotating, the driving wheel rotates to the overturning track along the inner stirring disc opening end, the front driving wheels of the two driving gears on the driving arm move upwards along the overturning track, the stirring rotating shaft continues to rotate under the driving of the outer stirring disc, the rear driving wheels of the two driving gears on the driving arm move downwards along the overturning track, and therefore 360-degree rotation of the driving arm is achieved.
A switch valve is arranged between the material conveying port on the storage tank and the material dropping port on the stirring cavity. A supporting upright post is arranged between the stirring cavity and the storage tank.
When the device is operated, firstly, the modifier and the matrix asphalt enter the auger delivery pipe from a feed inlet on the auger delivery pipe, then a plurality of discharge outlets on the auger delivery pipe enter the stirring cavity, the layout of large components is completed by arranging a plurality of external stirring disks in parallel in the stirring cavity, and then the whole stirring process is completed by arranging a plurality of detachable stirring arms on the external stirring disks. When the disc type stirring device operates, the driving motor drives the outer stirring disc to rotate through the sleeve column, the outer stirring disc drives the stirring rotating shaft to rotate when rotating, the stirring rotating shaft drives the driving wheel to rotate along the lower edge of the opening end of the inner stirring disc through the clamping groove and the clamping teeth when rotating along the opening end of the inner stirring disc, the driving wheel rotates to the overturning track along the opening end of the inner stirring disc, the front driving wheels of the two driving gears on the driving arm move upwards along the overturning track, the stirring rotating shaft continues to rotate under the driving of the outer stirring disc, the rear driving wheels of the two driving gears on the driving arm move downwards along the overturning track, the 360-degree rotation of the driving arm is realized, and the combination degree of the modifier and the matrix asphalt is greatly improved. The pitch material after the stirring is saved in getting into the storage jar by the blanking mouth, and this discharge process is controlled by the ooff valve that sets up between the material conveying mouth on the storage jar and the blanking mouth on the stirring chamber. After the product enters the storage tank, when the next process is required, the product can be conveyed only by opening the access and the outlet. Meanwhile, the storage tank is provided with the heat-insulating layer, so that the high-temperature material standing process of the asphalt material can be guaranteed.
On one hand, the invention improves the production process of the modified asphalt to improve the characteristics of the molded product and bring excellent service performance to the modified asphalt; on the other hand, the shearing and stirring process of the matrix asphalt and the modifier during mixing is well solved by resetting the production equipment, so that the long-term stable use of the equipment is guaranteed while the production efficiency is improved.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and any equivalent or similar substitutes within the scope of the present invention will be apparent to those skilled in the art from the following description and claims.
Claims (10)
1. The production process of the modified asphalt is characterized by comprising the following steps:
(1) preparing matrix asphalt;
(2) preparing a modifier and auxiliary materials;
(3) putting the matrix asphalt and the modifier into a stirring cavity through conveying equipment, and uniformly stirring through a disc type stirring device to prepare a mixture;
(4) adding auxiliary materials into the mixture in the stirrer through conveying equipment, and uniformly stirring through a disc type stirring device to obtain modified asphalt;
wherein the modifier adopts SBS, and the auxiliary materials comprise stabilizer, antioxidant and plasticizer.
2. The production process of the modified asphalt according to claim 1, wherein the modifier is treated by the following steps: standing and soaking SBS for 60-85 min; the addition amount of the modifier is 1-1.5% of the mass of the base asphalt.
3. The production process of the modified asphalt of claim 1, wherein the stabilizer is sulfur powder, and the addition amount of the stabilizer is 0.5-0.85% of the mass of the matrix asphalt; the antioxidant is 1010, and the addition amount of the antioxidant is 0.3-0.5% of the mass of the matrix asphalt; the plasticizer is dioctyl phthalate, and the addition amount of the plasticizer is 1-3% of the mass of the matrix asphalt.
4. The production process of the modified asphalt according to claim 1, wherein the modified asphalt production equipment comprises conveying equipment, a stirring cavity and a storage tank, wherein the conveying equipment is arranged above the stirring cavity, and the storage tank is arranged below the stirring cavity; the conveying equipment is an auger conveying pipe, a feed inlet is formed in the upper end face of the auger conveying pipe, and more than two discharge outlets are formed in the lower end face of the auger conveying pipe; a feeding motor is arranged on one side of the packing auger delivery pipe; the feeding motor drives the packing auger to rotate; more than two disc type stirring devices are arranged in the stirring cavity; the upper end surface of the stirring cavity is provided with more than two butt joints, and the lower end surface of the stirring cavity is provided with two blanking ports; the upper end surface of the storage tank is provided with two material conveying ports, and the side wall of the storage tank is provided with a material inlet and a material outlet; the butt joint port on the stirring cavity is in butt joint with the discharge port on the auger delivery pipe; and the material conveying port on the storage tank is in butt joint with the material dropping port on the stirring cavity.
5. The production process of the modified asphalt according to claim 4, wherein the disc type stirring device comprises an inner stirring disc, an outer stirring disc, a stirring rotating shaft, a stirring arm, a driving arm and a driving wheel, wherein the outer stirring disc and the inner stirring disc are both cylinders with one open ends; the closed end of the inner stirring disc is sleeved in the closed end of the outer stirring disc, rotating shaft holes are transversely formed in the side wall of the outer stirring disc in an array mode, and stirring rotating shafts are sleeved in the rotating shaft holes; one end of the stirring rotating shaft penetrating out of the external stirring disk is provided with a threaded hole, and one end of the stirring rotating shaft penetrating into the external stirring disk is provided with a driving arm; two driving wheels are arranged on the driving arm; a screw is fixed in the threaded hole; the screw is provided with a stirring arm; a clamping groove is arranged on the driving wheel, and a clamping tooth is arranged on the end surface of the open end of the inner stirring disc; the clamping teeth on the inner stirring disc and the clamping grooves on the driving wheel are mutually clamped; a sleeve is arranged at the center of the circle of the internal stirring disc; a sleeve column is sleeved in the sleeve; one end of the sleeve column penetrating through the inner stirring disc is fixed at the circle center position of the inner wall of the outer stirring disc, and one end of the sleeve column penetrating through the inner stirring disc is connected with a driving motor.
6. The production process of the modified asphalt according to claim 5, wherein the driving motor is arranged in a motor fixing cavity, and the motor fixing cavity is a cylinder with an open upper end; the open end of the motor fixing cavity penetrates into the open end of the external stirring disc; radiating holes are arrayed on the side wall of the closed end of the motor fixing cavity; the lower edge of the sleeve of the inner stirring disc is provided with an isolation cover; the isolation cover is conical; the closing end of the isolation cover is fixed at the lower edge of the sleeve of the inner stirring disc, and the open end of the isolation cover is fixed at the open end of the motor fixing cavity.
7. The production process of the modified asphalt of claim 6, wherein the side wall of the open end of the inner stirring disc is provided with a triangular groove, and a stop block is arranged below the triangular groove; the baffle block is vertically and parallelly arranged with the side wall of the inner stirring disc; and a turning track is arranged between the stop block and the side wall of the open end of the inner stirring disc.
8. The production process of modified asphalt according to claim 7, wherein when the disk type stirring device is operated, the driving motor drives the outer stirring disk to rotate through the sleeve column, the outer stirring disk drives the stirring rotating shaft to rotate when rotating, the stirring rotating shaft drives the driving wheel to rotate along the lower edge of the opening end of the inner stirring disk through the clamping groove and the clamping teeth when rotating, when the driving wheel rotates to the overturning track along the opening end of the inner stirring disk, the front driving wheels of the two driving gears on the driving arm move upwards along the overturning track, and simultaneously the stirring rotating shaft continues to rotate under the driving of the outer stirring disk, so that the rear driving wheels of the two driving gears on the driving arm move downwards along the overturning track, thereby realizing 360-degree rotation of the driving arm.
9. The process for producing modified asphalt according to claim 8, wherein a switch valve is provided between the feed port of the storage tank and the discharge port of the stirring chamber.
10. The process for producing modified asphalt according to claim 9, wherein a support column is provided between the stirring chamber and the storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110595351.1A CN113214664B (en) | 2021-05-29 | 2021-05-29 | Production process of modified asphalt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110595351.1A CN113214664B (en) | 2021-05-29 | 2021-05-29 | Production process of modified asphalt |
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| Publication Number | Publication Date |
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| CN113214664A true CN113214664A (en) | 2021-08-06 |
| CN113214664B CN113214664B (en) | 2022-03-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246188A (en) * | 2021-06-02 | 2021-08-13 | 南通金硕工程玻璃有限公司 | Glass adsorption film production line |
| CN115652732A (en) * | 2022-12-28 | 2023-01-31 | 喜跃发国际环保新材料股份有限公司 | Processing technology and processing system of modified asphalt |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592385A (en) * | 2016-12-15 | 2017-04-26 | 佛山高富中石油燃料沥青有限责任公司 | Equipment for producing SBS modified asphalt through Venezuela heavy cycloalkyl crude oil straight-run pitch and technology thereof |
-
2021
- 2021-05-29 CN CN202110595351.1A patent/CN113214664B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592385A (en) * | 2016-12-15 | 2017-04-26 | 佛山高富中石油燃料沥青有限责任公司 | Equipment for producing SBS modified asphalt through Venezuela heavy cycloalkyl crude oil straight-run pitch and technology thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246188A (en) * | 2021-06-02 | 2021-08-13 | 南通金硕工程玻璃有限公司 | Glass adsorption film production line |
| CN113246188B (en) * | 2021-06-02 | 2021-09-28 | 南通金硕工程玻璃有限公司 | Glass adsorption film production line |
| CN115652732A (en) * | 2022-12-28 | 2023-01-31 | 喜跃发国际环保新材料股份有限公司 | Processing technology and processing system of modified asphalt |
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| CN113214664B (en) | 2022-03-25 |
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