CA2636568A1 - Apparatus for producing cold asphalt, method of manufacturing cold asphalt, and product-by-process for same - Google Patents
Apparatus for producing cold asphalt, method of manufacturing cold asphalt, and product-by-process for same Download PDFInfo
- Publication number
- CA2636568A1 CA2636568A1 CA002636568A CA2636568A CA2636568A1 CA 2636568 A1 CA2636568 A1 CA 2636568A1 CA 002636568 A CA002636568 A CA 002636568A CA 2636568 A CA2636568 A CA 2636568A CA 2636568 A1 CA2636568 A1 CA 2636568A1
- Authority
- CA
- Canada
- Prior art keywords
- mixer
- rap
- mixture
- approximately
- asphalt
- 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.)
- Granted
Links
Classifications
-
- 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
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/201—Pre-melted polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/203—Solid polymers with solid and/or liquid additives
-
- 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
-
- 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
- E01C19/1059—Controlling the operations; Devices solely for supplying or proportioning the ingredients
- E01C19/1063—Controlling the operations
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2395/00—Bituminous materials, e.g. asphalt, tar or pitch
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
Apparatus and a process for producing cold asphalt for road repair and construction that allows cold asphalt to be easily produced at or near the job site. The apparatus includes at least two hoppers for receiving granular and screened particulates, a live feed for additive oil, and another for optional lime, conveyors in which to convey the granular and screened particulars, oil, and optional lime to a mixer. The mixer is controlled through a controller that is programmed to determine the correct proportion of RAP (recycled asphalt and a small amount of new asphalt), sand (silicates and/or sieved RAP), additive hydrocarbon oil, and optional lime (limestone powder). The apparatus may be permanently installed to create a cold asphalt manufacturing plant or placed on a trailer for use at a construction site. The invention further includes a method of manufacturing cold asphalt through the introduction of RAP, sand, and additive oil, and optional lime into the apparatus and a product-by-process in which cold asphalt mix is produced through the process claimed in the method. The end product is essentially non toxic with little to no VOCs and HAPs, has long shelf-life, and is produced, stored, used, and compacted at ambient temperature.
Claims (11)
1. Apparatus used to manufacture cold asphalt the apparatus comprising:
at least two hoppers being of a size and shape in which aggregate particulate matter may be fed into one hopper and substantially granular matter may be fed into the other hopper;
conveyors in which to convey any matter from the two hoppers to a mixer;
said mixer being of a size and shape to mix aggregate and granular matter;
an additive oil supply and pump system that is capable of pumping the additive oil to the mixer at a desired time, speed, and in a desired amount;
an outlet to direct any resulting mixture outside the mixer; and a controller that controls input to the mixer, mixing activities of the mixer, and output from the mixer.
at least two hoppers being of a size and shape in which aggregate particulate matter may be fed into one hopper and substantially granular matter may be fed into the other hopper;
conveyors in which to convey any matter from the two hoppers to a mixer;
said mixer being of a size and shape to mix aggregate and granular matter;
an additive oil supply and pump system that is capable of pumping the additive oil to the mixer at a desired time, speed, and in a desired amount;
an outlet to direct any resulting mixture outside the mixer; and a controller that controls input to the mixer, mixing activities of the mixer, and output from the mixer.
2. The apparatus of claim 1 further comprising a lime feed inlet that is connected to the mixer.
3. The apparatus of claim 1 wherein the conveyor is a feed screw.
4. The apparatus of claim 1 wherein the outlet further comprises a gate and conveyor.
5. The apparatus of claim 1 wherein the machine is of a size and shape to be substantially placed on a trailer.
6. A method of manufacturing cold asphalt the method comprising:
providing apparatus having at least two hoppers capable of conveying matter to a mixer, an additive oil supply and pump system capable of delivering the additive oil to the mixer, and outlet from the mixer, and a controller that controls input to, mixing in, and output of the mixer;
introducing screened RAP into one hopper in the range of approximately 43-60%
of the overall output mixture;
introducing sand into the other hopper in the range of approximately 35-45 %
of the overall output mixture;
conveying the RAP and sand into the mixer at a rate determined by the controller;
introducing additive oil into the oil supply and pump system in range of approximately of approximately 5-25% of the overall output mixture;
controlling the amount of matter conveyed to the mixer and the speed and length of mixing until a desired mixture is attained;
conveying the resulting mixture to the outlet.
providing apparatus having at least two hoppers capable of conveying matter to a mixer, an additive oil supply and pump system capable of delivering the additive oil to the mixer, and outlet from the mixer, and a controller that controls input to, mixing in, and output of the mixer;
introducing screened RAP into one hopper in the range of approximately 43-60%
of the overall output mixture;
introducing sand into the other hopper in the range of approximately 35-45 %
of the overall output mixture;
conveying the RAP and sand into the mixer at a rate determined by the controller;
introducing additive oil into the oil supply and pump system in range of approximately of approximately 5-25% of the overall output mixture;
controlling the amount of matter conveyed to the mixer and the speed and length of mixing until a desired mixture is attained;
conveying the resulting mixture to the outlet.
7. The method of claim 6 wherein the screened RAP is screened through a 3/8 inch minus screen.
8. The method of claim 6 further comprising the introducing of a lime feed and conveying lime in a range of approximately 3-10% of the overall output mixture and reducing the amount of the additive oil to 2% or less of the overall output mixture.
9. The method of claim 6 wherein the RAP comprises a mixture of approximately 40-50% recycled asphalt as measured by the overall output mixture and new asphalt in the range of 3-10% of the overall output mixture.
10. A product-by-process for producing cold asphalt mix produced according to a process comprising:
providing apparatus having at least two hoppers capable of conveying matter to a mixer, an additive oil supply and pump system capable of delivering the additive oil to the mixer, and outlet from the mixer, and a controller that controls input to, mixing in, and output of the mixer;
introducing screened RAP into one hopper in ratios of approximately 43 to 60%;
introducing sand into the other hopper in ratios of approximately 35 to 45%;
conveying the RAP and sand into the mixer at a rate determined by the controller;
introducing additive oil into the oil supply and pump system in overall content ratios of 5-25%;
when the additive oil, RAP, and sand are sufficiently mixed as determined, the controller sends the resulting mixture to the outlet.
providing apparatus having at least two hoppers capable of conveying matter to a mixer, an additive oil supply and pump system capable of delivering the additive oil to the mixer, and outlet from the mixer, and a controller that controls input to, mixing in, and output of the mixer;
introducing screened RAP into one hopper in ratios of approximately 43 to 60%;
introducing sand into the other hopper in ratios of approximately 35 to 45%;
conveying the RAP and sand into the mixer at a rate determined by the controller;
introducing additive oil into the oil supply and pump system in overall content ratios of 5-25%;
when the additive oil, RAP, and sand are sufficiently mixed as determined, the controller sends the resulting mixture to the outlet.
11. The product-by-process of claim 10 further comprising the introducing of a lime feed and conveying lime of quantity in an overall mixture content ratio of approximately 3-10% determined by the controller to the mixer to create a mixture comprised of RAP, sand, oil, and lime and in which the additive oil is reduced to an overall mixture content ration of approximately 2% or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2636568A CA2636568C (en) | 2008-07-02 | 2008-07-02 | Apparatus for producing cold asphalt, method of manufacturing cold asphalt, and product-by-process for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2636568A CA2636568C (en) | 2008-07-02 | 2008-07-02 | Apparatus for producing cold asphalt, method of manufacturing cold asphalt, and product-by-process for same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2636568A1 true CA2636568A1 (en) | 2010-01-02 |
| CA2636568C CA2636568C (en) | 2012-06-19 |
Family
ID=41462970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2636568A Active CA2636568C (en) | 2008-07-02 | 2008-07-02 | Apparatus for producing cold asphalt, method of manufacturing cold asphalt, and product-by-process for same |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2636568C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681063A (en) * | 2020-12-16 | 2021-04-20 | 徐州徐工养护机械有限公司 | Method for treating recycled powder of asphalt mixing station |
-
2008
- 2008-07-02 CA CA2636568A patent/CA2636568C/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681063A (en) * | 2020-12-16 | 2021-04-20 | 徐州徐工养护机械有限公司 | Method for treating recycled powder of asphalt mixing station |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2636568C (en) | 2012-06-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |