CN111364322A - Asphalt cold regeneration stirring process and equipment thereof - Google Patents
Asphalt cold regeneration stirring process and equipment thereof Download PDFInfo
- Publication number
- CN111364322A CN111364322A CN202010328762.XA CN202010328762A CN111364322A CN 111364322 A CN111364322 A CN 111364322A CN 202010328762 A CN202010328762 A CN 202010328762A CN 111364322 A CN111364322 A CN 111364322A
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- Prior art keywords
- asphalt
- stirrer
- finished product
- belt conveyor
- primary
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention relates to the technical field of asphalt production, in particular to an asphalt cold recycling stirring process and equipment thereof, which are used for producing a modified emulsified asphalt mixture in a large-scale cold mixing manner, improving the mixing effect and reducing the loss of asphalt; the method comprises the following steps: various aggregates are measured by an electronic scale and sent into a primary stirrer through a horizontal belt conveyor; conveying cement in the cement bin to an electronic scale by using a screw conveyor for metering, and conveying the cement into a primary stirrer by using the screw conveyor; after the aggregates are fully and uniformly stirred in the primary stirrer, the stirred aggregates are conveyed to a secondary stirrer through a finished product belt conveyor; the secondary stirrer is directly erected on the finished product bin, asphalt in the asphalt tank is pressurized by an asphalt pump to enter a pipeline and is uniformly sprayed on the aggregate by a spraying device on the secondary stirrer; the secondary stirrer adopts a double-shaft double-motor secondary asphalt stirrer, and the stirred finished product materials directly enter a finished product bin through forced stirring of the double-shaft double-motor secondary asphalt stirrer.
Description
Technical Field
The invention relates to the technical field of asphalt production, in particular to an asphalt cold-recycling stirring process and equipment thereof.
Background
The asphalt mixture for the road is basically the traditional hot-mix hot-paving. The pollution of dust and asphalt smoke to the environment is inevitable in the production and construction process, and although many measures are taken in recent years, a large amount of capital is invested, and the pollution problem is difficult to solve.
The key to research on cold mixing and cold paving of the asphalt mixture is the development of the modified emulsified asphalt for cold mixing. The modified emulsified asphalt is widely applied to road surface layers, such as slurry seal, micro-surfacing, sand-containing fog seal, cold-patch and the like. At present, no mature large-scale production process and equipment exist.
Disclosure of Invention
In order to solve the technical problems, the invention provides an asphalt cold recycling stirring process and equipment for producing a modified emulsified asphalt mixture through large-scale cold mixing, which improve the mixing effect and reduce the loss of asphalt.
The invention relates to an asphalt cold regeneration stirring process, which comprises the following steps:
step one, metering a plurality of aggregates by an electronic scale, and conveying the materials into a primary stirrer through a horizontal belt conveyor;
conveying cement in the cement bin to an electronic scale by using a screw conveyor for metering, and conveying the cement into a primary stirrer by using the screw conveyor;
step three, after the aggregates are fully and uniformly stirred in the primary stirrer, the stirred aggregates are conveyed to a secondary stirrer through a finished product belt conveyor;
step four, the secondary stirrer is directly erected on the finished product bin, asphalt in the asphalt tank is pressurized by an asphalt pump to enter a pipeline, and the asphalt is uniformly sprayed on the aggregate by a spraying device on the secondary stirrer;
step five, the secondary stirrer adopts a double-shaft double-motor secondary asphalt stirrer, and the stirred finished product materials directly enter a finished product bin through forced stirring of the double-shaft double-motor secondary asphalt stirrer, so that the contact between the asphalt materials and a belt is reduced, and the loss of asphalt is reduced;
and step six, discharging the materials in the finished product bin into a transport vehicle through a pneumatic discharge door, and transporting the materials to a construction site.
The invention relates to asphalt cold regeneration stirring equipment, which comprises a horizontal belt conveyor, a primary stirrer, a finished belt conveyor, a secondary stirrer, a finished product bin, an asphalt tank, an asphalt pump, a plurality of groups of aggregate bins, a plurality of groups of cement bins and a spiral conveyor, wherein the right output end of the horizontal belt conveyor is connected with the left input end of the primary stirrer, the output end of the primary stirrer is arranged at the left input end of the finished belt conveyor, the right output end of the finished belt conveyor is connected with the left input end of the secondary stirrer, the output end of the secondary stirrer is arranged at the input end of the finished product bin, the asphalt tank is connected with the top input end of the secondary stirrer through the asphalt pump, the plurality of groups of aggregate bins are erected at the left part of the horizontal belt conveyor, the output ends of the plurality of groups of aggregate bins are positioned above the horizontal belt conveyor, the plurality of, and the plurality of groups of screw conveyors are all provided with electronic scales.
The invention has the beneficial effects that: various aggregates are measured by an electronic scale and sent into a primary stirrer through a horizontal belt conveyor; conveying cement in the cement bin to an electronic scale by using a screw conveyor for metering, and conveying the cement into a primary stirrer by using the screw conveyor; after the aggregates are fully and uniformly stirred in the primary stirrer, the stirred aggregates are conveyed to a secondary stirrer through a finished product belt conveyor; the secondary stirrer is directly erected on the finished product bin, asphalt in the asphalt tank is pressurized by an asphalt pump to enter a pipeline and is uniformly sprayed on the aggregate by a spraying device on the secondary stirrer; the secondary stirrer adopts a double-shaft double-motor secondary asphalt stirrer, and the stirred finished product materials directly enter the finished product bin through forced stirring of the double-shaft double-motor secondary asphalt stirrer, so that the contact between the asphalt materials and a belt is reduced, and the loss of asphalt is reduced; the finished product bin materials are unloaded into a transport vehicle through a pneumatic unloading door and transported to a construction site; and the modified emulsified asphalt mixture is produced through the large-scale cold mixing of the device, the mixing effect is improved, and the loss of asphalt is reduced.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of a bone hopper;
FIG. 4 is a schematic side view of a horizontal belt;
in the drawings, the reference numbers: 1. a horizontal belt conveyor; 2. a primary stirrer; 3. a finished product belt conveyor; 4. a secondary stirrer; 5. a finished product warehouse; 6. a bone hopper; 7. a cement bin; 8. a screw conveyor.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the asphalt cold recycling stirring device comprises a horizontal belt conveyor 1, a primary stirrer 2, a finished belt conveyor 3, a secondary stirrer 4, a finished product bin 5, an asphalt tank, an asphalt pump, a plurality of sets of bone hoppers 6, a plurality of sets of cement bins 7 and a screw conveyor 8, wherein the right output end of the horizontal belt conveyor 1 is connected with the left input end of the primary stirrer 2, the output end of the primary stirrer 2 is installed at the left input end of the finished belt conveyor 3, the right output end of the finished belt conveyor 3 is connected with the left input end of the secondary stirrer 4, the output end of the secondary stirrer 4 is installed at the input end of the finished product bin 5, the asphalt tank is connected with the top input end of the secondary stirrer 4 through the asphalt pump, the plurality of sets of bone hoppers 6 are erected at the left part of the horizontal belt conveyor 1, the output ends of the plurality of sets of bone hoppers 6 are positioned above the horizontal belt conveyor 1, the plurality of, and electronic scales are arranged on the multiple groups of screw conveyors 8.
The device is realized by combining the following process flows:
step one, metering a plurality of aggregates by an electronic scale, and conveying the materials into a primary stirrer through a horizontal belt conveyor;
conveying cement in the cement bin to an electronic scale by using a screw conveyor for metering, and conveying the cement into a primary stirrer by using the screw conveyor;
step three, after the aggregates are fully and uniformly stirred in the primary stirrer, the stirred aggregates are conveyed to a secondary stirrer through a finished product belt conveyor;
step four, the secondary stirrer is directly erected on the finished product bin, asphalt in the asphalt tank is pressurized by an asphalt pump to enter a pipeline, and the asphalt is uniformly sprayed on the aggregate by a spraying device on the secondary stirrer;
step five, the secondary stirrer adopts a double-shaft double-motor secondary asphalt stirrer, and the stirred finished product materials directly enter a finished product bin through forced stirring of the double-shaft double-motor secondary asphalt stirrer, so that the contact between the asphalt materials and a belt is reduced, and the loss of asphalt is reduced;
and step six, discharging the materials in the finished product bin into a transport vehicle through a pneumatic discharge door, and transporting the materials to a construction site.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (2)
1. The asphalt cold regeneration stirring process is characterized by comprising the following steps of:
step one, metering a plurality of aggregates by an electronic scale, and conveying the materials into a primary stirrer through a horizontal belt conveyor;
conveying cement in the cement bin to an electronic scale by using a screw conveyor for metering, and conveying the cement into a primary stirrer by using the screw conveyor;
step three, after the aggregates are fully and uniformly stirred in the primary stirrer, the stirred aggregates are conveyed to a secondary stirrer through a finished product belt conveyor;
step four, the secondary stirrer is directly erected on the finished product bin, asphalt in the asphalt tank is pressurized by an asphalt pump to enter a pipeline, and the asphalt is uniformly sprayed on the aggregate by a spraying device on the secondary stirrer;
step five, the secondary stirrer adopts a double-shaft double-motor secondary asphalt stirrer, and the stirred finished product materials directly enter a finished product bin through forced stirring of the double-shaft double-motor secondary asphalt stirrer, so that the contact between the asphalt materials and a belt is reduced, and the loss of asphalt is reduced;
and step six, discharging the materials in the finished product bin into a transport vehicle through a pneumatic discharge door, and transporting the materials to a construction site.
2. An asphalt cold regeneration stirring device is characterized by comprising a horizontal belt conveyor (1), a primary stirrer (2), a finished belt conveyor (3), a secondary stirrer (4), a finished product bin (5), an asphalt tank, an asphalt pump, a plurality of groups of bone hoppers (6), a plurality of groups of cement bins (7) and a spiral conveyor (8), wherein the right output end of the horizontal belt conveyor (1) is connected with the left input end of the primary stirrer (2), the output end of the primary stirrer (2) is arranged at the left input end of the finished belt conveyor (3), the right output end of the finished belt conveyor (3) is connected with the left input end of the secondary stirrer (4), the output end of the secondary stirrer (4) is arranged at the input end of the finished product bin (5), the asphalt tank is connected with the top input end of the secondary stirrer (4) through the asphalt pump, the plurality of groups of bone hoppers (6) are erected at the left part of the horizontal belt conveyor (1), and the output ends of the multiple groups of bone hoppers (6) are positioned above the horizontal belt conveyor (1), the multiple groups of cement bins (7) are connected with the top input end of the primary stirrer (2) through the multiple groups of screw conveyors (8), and the multiple groups of screw conveyors (8) are provided with electronic scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010328762.XA CN111364322A (en) | 2020-04-23 | 2020-04-23 | Asphalt cold regeneration stirring process and equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010328762.XA CN111364322A (en) | 2020-04-23 | 2020-04-23 | Asphalt cold regeneration stirring process and equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111364322A true CN111364322A (en) | 2020-07-03 |
Family
ID=71205412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010328762.XA Withdrawn CN111364322A (en) | 2020-04-23 | 2020-04-23 | Asphalt cold regeneration stirring process and equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111364322A (en) |
-
2020
- 2020-04-23 CN CN202010328762.XA patent/CN111364322A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20200703 |