CN110894427A - Asphalt emulsifying device - Google Patents
Asphalt emulsifying device Download PDFInfo
- Publication number
- CN110894427A CN110894427A CN201911194733.2A CN201911194733A CN110894427A CN 110894427 A CN110894427 A CN 110894427A CN 201911194733 A CN201911194733 A CN 201911194733A CN 110894427 A CN110894427 A CN 110894427A
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- China
- Prior art keywords
- reaction tank
- inlet pipe
- pipe
- asphalt
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C10C3/02—Working-up pitch, asphalt, bitumen by chemical means reaction
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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
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/93—Heating or cooling systems arranged inside the receptacle
-
- 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
- C10C3/002—Working-up pitch, asphalt, bitumen by thermal means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/38—Mixing of asphalt, bitumen, tar or pitch or their ingredients
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Working-Up Tar And Pitch (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an asphalt emulsifying device, which comprises a reaction tank, an inlet pipe, an outlet pipe, an exhaust pipe, a stirring part and a temperature sensor, wherein the inlet pipe is arranged in the reaction tank; the inlet pipe is provided with a mixing pipe structure, the inner wall of the inlet cavity is provided with a heating wire, the outlet pipe is communicated with a discharge box, one side of the discharge box, far away from the reaction tank, is fixedly connected with a fourth motor, and an output shaft of the fourth motor penetrates through the inner cavity of the discharge box and is fixedly connected with a conveying disc; the top of retort is equipped with uncaps just be equipped with the sealing washer on uncapping, uncap and be connected with the telescopic link that drives with the hydro-cylinder, can mix pitch and emulsifier aqueous solution in the twinkling of an eye through the hybrid tube structure when the feeding, the heater strip that the import intracavity wall set up heats at the mixing process, can reduce to be stained with and glue, and is more smooth and easy, and screw stirring heating rod can let the temperature more even, controls the switching with hydro-cylinder control telescopic link, can prevent the leakage problem of pitch in the reaction process.
Description
Technical Field
The invention relates to the field of asphalt production, in particular to an asphalt emulsifying device.
Background
The traditional mixing mode is to mix asphalt and emulsion firstly and then enter an emulsifying machine, and the mixing mode is to heat the asphalt to a state with good fluidity firstly, and the temperature is generally between 110 and 150 ℃. Otherwise, the flow of the asphalt is influenced if the temperature is too low, so that the energy consumption of the asphalt pump is increased; when the temperature is too high, the asphalt and the emulsifier aqueous solution are mixed, the hot asphalt releases heat, water in the emulsifier aqueous solution is vaporized, the pumping proportion of the emulsifier aqueous solution is changed, the pipeline pressure fluctuation is large, the flow fluctuation of the emulsifier aqueous solution is caused, the proportion of a finished product fluctuates along with the flow fluctuation of the emulsifier aqueous solution, the proportion is inaccurate, the quality of emulsified asphalt is influenced, the quality and the yield of emulsion are reduced, and the asphalt is easy to leak in the reaction process.
Disclosure of Invention
The invention aims to design an asphalt emulsifying device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an asphalt emulsifying device comprises a reaction tank, an inlet pipe, an outlet pipe, an exhaust pipe, a stirring component and a temperature sensor; the inlet pipe and the outlet pipe are respectively arranged on the left side and the right side of the reaction tank, the exhaust pipe is arranged at the upper end of one side of the reaction tank, the stirring component comprises a threaded stirring heating rod and a stirring shaft which are transversely arranged in the reaction tank, the stirring heating rod is arranged above the stirring shaft, the outer wall of the reaction tank is respectively provided with a first motor and a second motor which are connected with the threaded stirring heating rod and the stirring shaft, and the temperature sensor is arranged on the inner wall of the upper left side of the reaction tank; the inlet pipe, the outlet pipe, the exhaust pipe and the reaction tank are communicated with each other, the inlet pipe is provided with a mixing pipe structure, the mixing pipe structure is composed of an asphalt inlet pipeline connecting piece, an asphalt inlet pipe, an emulsifier aqueous solution inlet pipeline connecting piece, an emulsifier aqueous solution inlet pipe and a flange, the inlet pipe is arranged in the emulsifier aqueous solution inlet pipe, the asphalt inlet pipe is inserted into the asphalt inlet pipe from one side of the emulsifier aqueous solution inlet pipe and is communicated with the inlet pipe, a heating wire is arranged on the inner wall of an inlet cavity, a third motor is fixedly connected to the lower portion of the back surface of the reaction tank, and an output shaft of the third motor penetrates through the inner cavity of the reaction; the outlet pipe is communicated with a discharge box, one side of the discharge box, which is far away from the reaction tank, is fixedly connected with a fourth motor, and an output shaft of the fourth motor penetrates through the inner cavity of the discharge box and is fixedly connected with a conveying disc; the lower part of one side of the discharge box, which is far away from the reaction tank, is connected with a filtering device through a pipeline; a cover is arranged above the reaction tank, a sealing ring is arranged on the cover, and the cover is connected with a telescopic rod driven by an oil cylinder; the first motor, the second motor, the third motor, the fourth motor, screw thread stirring heating rod the temperature-sensing ware the heater strip with the hydro-cylinder all with controller electric connection.
Further, the reaction tank below is equipped with the base, the inside elastic component that is equipped with of base can reduce the vibration when the device moves.
Further, agitating unit includes cylinder and flabellum, can derive pitch from the retort fast.
Furthermore, one side of the discharge box, which is close to the reaction tank, is provided with a discharge valve in a penetrating manner, so that the discharge amount of asphalt can be controlled.
Further, the exhaust pipe comprises an air inlet pipeline, an air outlet pipeline and a purification device, and waste gas can be discharged.
Further, be equipped with the condenser pipe in proper order by intake manifold way to the gas outlet pipe way in the purifier, screen out filter screen and activated carbon layer, improve exhaust-gas treatment efficiency greatly, satisfy the exhaust-gas treatment requirement in the production process.
Further, filter equipment includes the filter cartridge, locates filter cartridge inside filter screen and discharge gate can filter great particulate matter in the pitch.
Furthermore, the filter top is equipped with the lid just the one end of lid with the filter is articulated, and installation and dismantlement are convenient, easily wash the filter screen and change the filter screen.
Furthermore, the inner wall of the reaction tank is provided with an anti-corrosion plastic wall, so that the damage of asphalt to an asphalt emulsifying cavity can be reduced.
Compared with the prior art, the invention has the beneficial effects that: can mix pitch and emulsifier aqueous solution in the twinkling of an eye when the feeding through the hybrid tube structure, the heater strip that the import intracavity wall set up heats at mixing process, can reduce to be stained with glues, and is more smooth and easy, and screw stirring heating rod can let the temperature more even, controls the telescopic link with the hydro-cylinder and opens and shuts, can prevent the leakage problem of pitch in reaction process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an asphalt emulsifying apparatus according to the present invention.
The names of the components identified in the figures are as follows: 1. a reaction tank; 2. an inlet pipe; 3. an outlet pipe; 4. an exhaust pipe; 5. a stirring member; 501. a threaded stirring heating rod; 502. a stirring shaft; 6. a temperature sensor; 7. a mixing tube; 701. an asphalt inlet pipeline connecting piece; 702. an asphalt inlet pipe; 703. emulsifier aqueous solution inlet pipeline connecting piece; 704. an emulsifier aqueous solution inlet pipe; 705. a flange; 8. heating wires; 9. a stirring device; 901. a drum; 902. a fan blade; 10. a delivery tray; 11. a discharging box; 12. a filtration device; 1201. a filter cartridge; 1202. a filter screen; 1203. a cover; 1204. a discharge port; 13. opening the cover; 14. a seal ring; 15. an oil cylinder; 16. a telescopic rod; 17. a base; 18. a discharge valve; 401. a purification device; 4011. a condenser tube; 4012. screening out a filter screen; 4013. an activated carbon layer.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the description is only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1, there is shown an asphalt emulsifying device of the present embodiment in one embodiment, which includes a reaction tank 1, an inlet pipe 2, an outlet pipe 3, an exhaust pipe 4, a stirring member 5, and a temperature sensor 6; the inlet pipe 2 and the outlet pipe 3 are respectively arranged at the left side and the right side of the reaction tank 1, the exhaust pipe 4 is arranged at the upper end of one side of the reaction tank 1, the stirring component 5 comprises a threaded stirring heating rod 501 and a stirring shaft 502 which are transversely arranged in the reaction tank 1, the stirring heating rod is arranged above the stirring shaft 502, the outer wall of the reaction tank 1 is respectively provided with a first motor and a second motor which are connected with the threaded stirring heating rod 501 and the stirring shaft 502, and the temperature sensor 6 is arranged on the inner wall of the upper left side of the reaction tank 1; the inlet pipe 2, the outlet pipe 3, the exhaust pipe 4 and the reaction tank 1 are communicated with each other, the inlet pipe 2 is provided with a mixing pipe 7 structure, the mixing pipe 7 structure is composed of an asphalt inlet pipeline connector 701, an asphalt inlet pipe 702, an emulsifier aqueous solution inlet pipeline connector 703, an emulsifier aqueous solution inlet pipe 704 and a flange 705, the inlet pipe 2 is arranged in the emulsifier aqueous solution inlet pipe 704, the asphalt inlet pipe 702 is inserted into the asphalt inlet pipe 702 from one side of the emulsifier aqueous solution inlet pipe 704 to be communicated with the inlet pipe 2, a heating wire 8 is arranged on the inner wall of the inlet pipe 2, a third motor is fixedly connected to the lower part of the back surface of the reaction tank 1, and an output shaft of the third motor penetrates through the inner cavity of the reaction tank 1 and is; the outlet pipe 3 is communicated with a discharge box 11, one side of the discharge box 11, which is far away from the reaction tank 1, is fixedly connected with a fourth motor, and an output shaft of the fourth motor penetrates through the inner cavity of the discharge box 11 and is fixedly connected with a conveying disc 10; the lower part of one side of the discharge box 11, which is far away from the reaction tank 1, is connected with a filtering device 12 through a pipeline; an opening cover 13 is arranged above the reaction tank 1, a sealing ring 14 is arranged on the opening cover 13, and the opening cover 13 is connected with a telescopic rod 16 driven by an oil cylinder 15; the first motor, the second motor, the third motor, the fourth motor, the thread stirring heating rod 501, the temperature sensor 6, the heating wire 8 and the oil cylinder 15 are all electrically connected with the controller.
Further preferably, a base 17 is arranged below the reaction tank 1, and an elastic component is arranged in the base 17, so that the vibration of the device during operation can be reduced.
Further, as a preferred embodiment, the stirring device 9 comprises a roller 901 and a fan 902, and can rapidly lead out the asphalt from the reaction tank 1.
In a further preferred embodiment, a discharge valve 18 is provided through the discharge box 11 on a side close to the reaction tank 1, so that the discharge amount of the asphalt can be controlled.
Further preferably, the exhaust pipe 4 includes an inlet line, an outlet line, and a purification device 401, and can discharge exhaust gas.
Further as preferred embodiment, be equipped with condenser 4011, screen out filter screen 4012 and activated carbon layer 4013 by inlet manifold to the gas outlet pipeline in proper order in purifier 401, improve exhaust-gas treatment efficiency greatly, satisfy the exhaust-gas treatment requirement in the production process.
Further as a preferred embodiment, the filtering device 12 comprises a filtering box 1201, a filtering net 1202 arranged inside the filtering box 1201 and a discharge hole 1204, and can filter out larger particles in the asphalt.
Further as a preferred embodiment, a cover 1203 is arranged above the filter, and one end of the cover 1203 is hinged with the filter, so that the filter is convenient to mount and dismount, and the filter screen 1202 is easy to clean and replace.
Further, as a preferred embodiment, the inner wall of the reaction tank 1 is provided with a corrosion-resistant plastic wall, so that the damage of asphalt to an asphalt emulsifying cavity can be reduced.
The working principle is as follows: firstly, asphalt and emulsifier aqueous solution are respectively fed through an asphalt inlet pipe 702 and an emulsifier aqueous solution inlet pipe 704, the asphalt and the emulsifier aqueous solution can be instantly mixed in the feeding process through a mixing pipe 7 structure, a heating wire 8 arranged on the inner wall of an inlet pipe 2 is heated in the mixing process, the adhesion can be reduced, the temperature is smoother and more uniform, the damage of the asphalt to a reaction tank 1 can be reduced through a corrosion-resistant plastic wall, a first motor drives a threaded stirring heating rod 501 to rotate, the threaded stirring heating rod 501 is controlled by a controller to be heated, a temperature sensor 6 detects the temperature, personnel adjust the temperature of the threaded stirring heating rod 501 through the controller according to actual conditions, a second motor drives a stirring shaft 502 to stir the asphalt, when the asphalt needs to be discharged, a discharge valve 18 is opened, and a third motor drives a roller 901 to rotate, fan blade 902 on the cylinder 901 transports pitch toward ejection of compact case 11, the fourth motor drives transfer disc 10 and draws pitch to filter cartridge 1201 from the pipeline in, discharge from discharge gate 1204 after filter screen 1202's screening in filter cartridge 1201, after the work is accomplished, can open uncap 13 on retort 1 through controller control telescopic link 16, be convenient for clear up retort 1 inside, also can open lid 1203 on filter cartridge 1201 and be convenient for wash filter screen 1202, waste gas passes through condenser pipe 4011 cooling, screen out filter screen 4012 and active carbon layer 4013 filter particulate matter, then the outside of discharging.
The invention has the beneficial effects that: can mix pitch and emulsifier aqueous solution in the twinkling of an eye when the feeding through the hybrid tube structure, the heater strip that the import intracavity wall set up heats at mixing process, can reduce to be stained with glues, and is more smooth and easy, and screw stirring heating rod can let the temperature more even, controls the telescopic link with the hydro-cylinder and opens and shuts, can prevent the leakage problem of pitch in reaction process.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An asphalt emulsifying device is characterized in that: comprises a reaction tank, an inlet pipe, an outlet pipe, an exhaust pipe, a stirring component and a temperature sensor; the inlet pipe and the outlet pipe are respectively arranged on the left side and the right side of the reaction tank, the exhaust pipe is arranged at the upper end of one side of the reaction tank, the stirring component comprises a threaded stirring heating rod and a stirring shaft which are transversely arranged in the reaction tank, the stirring heating rod is arranged above the stirring shaft, the outer wall of the reaction tank is respectively provided with a first motor and a second motor which are connected with the threaded stirring heating rod and the stirring shaft, and the temperature sensor is arranged on the inner wall of the upper left side of the reaction tank; the inlet pipe, the outlet pipe, the exhaust pipe and the reaction tank are communicated with each other, the inlet pipe is provided with a mixing pipe structure, the mixing pipe structure is composed of an asphalt inlet pipeline connecting piece, an asphalt inlet pipe, an emulsifier aqueous solution inlet pipeline connecting piece, an emulsifier aqueous solution inlet pipe and a flange, the inlet pipe is arranged in the emulsifier aqueous solution inlet pipe, the asphalt inlet pipe is inserted into the asphalt inlet pipe from one side of the emulsifier aqueous solution inlet pipe and is communicated with the inlet pipe, a heating wire is arranged on the inner wall of an inlet cavity, a third motor is fixedly connected to the lower portion of the back surface of the reaction tank, and an output shaft of the third motor penetrates through the inner cavity of the reaction; the outlet pipe is communicated with a discharge box, one side of the discharge box, which is far away from the reaction tank, is fixedly connected with a fourth motor, and an output shaft of the fourth motor penetrates through the inner cavity of the discharge box and is fixedly connected with a conveying disc; the lower part of one side of the discharge box, which is far away from the reaction tank, is connected with a filtering device through a pipeline; a cover is arranged above the reaction tank, a sealing ring is arranged on the cover, and the cover is connected with a telescopic rod driven by an oil cylinder; the first motor, the second motor, the third motor, the fourth motor, screw thread stirring heating rod the temperature-sensing ware the heater strip with the hydro-cylinder all with controller electric connection.
2. The asphalt emulsifying device according to claim 1, wherein: a base is arranged below the reaction tank, and an elastic component is arranged inside the base.
3. The asphalt emulsifying device according to claim 1, wherein: the stirring device comprises a roller and fan blades.
4. The asphalt emulsifying device according to claim 1, wherein: one side of the discharge box, which is close to the reaction tank, is provided with a discharge valve in a penetrating way.
5. The asphalt emulsifying device according to claim 1, wherein: the exhaust pipe comprises an air inlet pipeline, an air outlet pipeline and a purifying device.
6. The asphalt emulsifying device according to claim 5, wherein: and a condenser pipe, a screening filter screen and an activated carbon layer are sequentially arranged in the purification device from the air inlet pipeline to the air outlet pipeline.
7. The asphalt emulsifying device according to claim 1, wherein: the filtering device comprises a filtering box, a filtering net arranged in the filtering box and a discharging hole.
8. The asphalt emulsifying device according to claim 7, wherein: a cover is arranged above the filter, and one end of the cover is hinged with the filter.
9. The asphalt emulsifying device according to claim 1, wherein: the inner wall of the reaction tank is provided with an anti-corrosion plastic wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911194733.2A CN110894427A (en) | 2019-11-28 | 2019-11-28 | Asphalt emulsifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911194733.2A CN110894427A (en) | 2019-11-28 | 2019-11-28 | Asphalt emulsifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110894427A true CN110894427A (en) | 2020-03-20 |
Family
ID=69788553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911194733.2A Pending CN110894427A (en) | 2019-11-28 | 2019-11-28 | Asphalt emulsifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110894427A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111909716A (en) * | 2020-08-10 | 2020-11-10 | 张盼盼 | Asphalt preparation process |
| CN112973537A (en) * | 2020-12-07 | 2021-06-18 | 方明亮 | Asphalt concrete production device with novel screening structure and asphalt concrete production method |
| CN113550200A (en) * | 2021-08-01 | 2021-10-26 | 宫成军 | Asphalt concrete stirring device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2996146B1 (en) * | 2012-10-02 | 2014-10-10 | Rhodia Operations | TRANSPORT DEVICE FOR DELIVERING A FLUID EMULSIFIER |
| CN204710228U (en) * | 2015-06-09 | 2015-10-21 | 沈阳储隆沥青设备有限公司 | Asphalt mixing unit |
| CN208302556U (en) * | 2018-04-28 | 2019-01-01 | 东莞泰和沥青产品有限公司 | Bitumen emulsifying plant |
| CN209442022U (en) * | 2019-01-30 | 2019-09-27 | 寿光市春升防水材料有限公司 | A kind of blanking structure of non-bituminous sand face waterproof roll manufacturing device |
-
2019
- 2019-11-28 CN CN201911194733.2A patent/CN110894427A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2996146B1 (en) * | 2012-10-02 | 2014-10-10 | Rhodia Operations | TRANSPORT DEVICE FOR DELIVERING A FLUID EMULSIFIER |
| CN204710228U (en) * | 2015-06-09 | 2015-10-21 | 沈阳储隆沥青设备有限公司 | Asphalt mixing unit |
| CN208302556U (en) * | 2018-04-28 | 2019-01-01 | 东莞泰和沥青产品有限公司 | Bitumen emulsifying plant |
| CN209442022U (en) * | 2019-01-30 | 2019-09-27 | 寿光市春升防水材料有限公司 | A kind of blanking structure of non-bituminous sand face waterproof roll manufacturing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111909716A (en) * | 2020-08-10 | 2020-11-10 | 张盼盼 | Asphalt preparation process |
| CN112973537A (en) * | 2020-12-07 | 2021-06-18 | 方明亮 | Asphalt concrete production device with novel screening structure and asphalt concrete production method |
| CN113550200A (en) * | 2021-08-01 | 2021-10-26 | 宫成军 | Asphalt concrete stirring device |
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Application publication date: 20200320 |