WO2016012635A1 - Procedimiento y planta de fabricación de mezclas bituminosas templadas con material recuperado de mezclas bituminosas - Google Patents
Procedimiento y planta de fabricación de mezclas bituminosas templadas con material recuperado de mezclas bituminosas Download PDFInfo
- Publication number
- WO2016012635A1 WO2016012635A1 PCT/ES2015/000054 ES2015000054W WO2016012635A1 WO 2016012635 A1 WO2016012635 A1 WO 2016012635A1 ES 2015000054 W ES2015000054 W ES 2015000054W WO 2016012635 A1 WO2016012635 A1 WO 2016012635A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mrmb
- bituminous
- fraction
- mixtures according
- plant
- Prior art date
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
-
- 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
- E01C19/1009—Plant wherein type or construction of the mixer are irrelevant
-
- 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
-
- 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
- E01C19/1068—Supplying or proportioning the ingredients
- E01C19/1072—Supplying or proportioning the ingredients the solid ingredients
-
- 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
- E01C2019/1081—Details not otherwise provided for
-
- 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
- E01C2019/1081—Details not otherwise provided for
- E01C2019/1095—Mixing containers having a parallel flow drum, i.e. the flow of material is parallel to the gas flow
Definitions
- This invention relates to a method of manufacturing tempered bituminous mixtures to form the upper layers of road surfaces and other road infrastructure using material recovered from damaged and / or aged layers of bituminous mixtures, with the possibility of using a rate of up to 100% recovered material.
- the invention also encompasses a manufacturing plant for executing said process.
- bituminous mixture a combination of bitumen (also called asphalt) and stone mineral aggregates in predetermined proportions that determine its physical properties and, eventually, its performance for a given use.
- the product generated by milling of deteriorated and / or aged bituminous mixtures is usually called "RAP", using the acronym of the Anglo-Saxon denomination of said material (Reclaymed Asphalt Pavement) or MRMB (Recovered Material of Bituminous Mixtures) which will be the term that we will use onwards.
- RAP The product generated by milling of deteriorated and / or aged bituminous mixtures
- MRMB Recovered Material of Bituminous Mixtures
- Hot manufacturing processes of bituminous replacement mixtures are known that can use a certain percentage of MRMB (up to about 50%) but not 100% because the high temperatures reached during the hot manufacturing processes (approximately between 160 ° C -180 ° C) deteriorate ("burn") the bitumen present in the MRMB thus damaging its properties.
- the present invention is oriented to the solution of that problem.
- the granulometry of the first fraction is between Omm and 7mm (and more advantageously between Omm and 5mm) and the granulometry of the second fraction is between 4mm and 30mm (and more advantageously between 5mm and 25mm.
- the procedure admits the incorporation of virgin aggregate into the mixture to improve its properties. Also, if desired, to make mild mixtures with an MRMB recovery rate of less than 100%.
- bitumen emulsion In cases where 100% of the starting material is MRMB the amount of bitumen emulsion is between 2.5% -3% by weight of the total bituminous mixture, providing a bitumen percentage much lower than necessary when Recycled materials are not used.
- a plant for the manufacture of bituminous mixtures from Material Recovered from Bituminous Mixtures (MRMB) and a bituminous emulsion comprising:
- the fraction approximately between a diameter D2 mm and D3 mm is fed to a shredding mill.
- the smaller fraction of D2 mm is taken directly to the exit screen along with the product of the crushing mill.
- This crushing mill separates, with the minimum possible fragmentation of the stone matrix, the fractions joined by the binder, that is, what it really does is "take off” them.
- This pretreatment unit can incorporate a magnetic separator that prevents the entry of spikes or metal remains present in the material to be fed.
- the product of this stage that is obtained in the output screen are two or more fractions of MRMB at room temperature.
- a drying drum with the burner delayed for heating and mixing of materials configured as a parallel flow drum, in which the material to be heated and the hot gases coming from its combustion chamber circulate in the same direction, and provided with two material inputs at a different distance from its combustion chamber; d) a first transport device (for example a conveyor belt) arranged to transport predetermined quantities of the first MRMB fraction to the inlet of the drying drum furthest from its combustion chamber and a second transport device (for example a belt conveyor) arranged to transport predetermined quantities of the second fraction of MRMB to the inlet of the drying drum closest to the combustion chamber;
- a first transport device for example a conveyor belt
- a second transport device for example a belt conveyor
- the drying drum comprises a controlled recirculation system of a part of the effluent fumes and is provided with a bag filter for the treatment of non-recirculated fumes.
- the kneader comprises a system for measuring its energy consumption that allows estimating the humidity of the final bituminous mixture.
- the plant may also comprise a device for raising the kneaded product to a waiting hopper, thus adapting the continuous flow of the installation to the discontinuous of the trucks.
- the lifting device can be, for example, a racket elevator.
- a larger silo can be used, heated and heated at its base.
- the plant can also comprise a third and fourth irid aggregate hoppers connected to the second transport device so that it can also transport predetermined quantities of virgin aggregate to the drying drum.
- the granulometry of the virgin aggregate will be the one necessary to obtain the final granulometry of the desired mixture with the percentages determined in the working formula obtained in the laboratory.
- the third and fourth hoppers can also be used alternatively for a third and a fourth fraction of the MRMB if more than two fractions of recycled material are to be used in the manufacturing process.
- Figure 1 is a functional diagram illustrating an embodiment of the manufacturing process of tempered bituminous mixtures object of the invention.
- Figure 2 is a schematic plan view illustrating the main components of the manufacturing plant for tempered bituminous mixtures object of the invention.
- the first step is to provide MRMB of a particle size smaller than D3 mm, thus rejecting the MRMB of more than this diameter.
- the particle size will be between Omm and a D3 value of less than 60mm.
- the MRMB is treated to obtain at least two fractions f1 and f2 whose maximum sizes are not larger than D1 mm and D2 mm, which are arranged in preparations A1 and A2.
- the value of D1 will be less than 7 mm and the value of D2 will be less than 30mm.
- This treatment can be carried out by a first shredding operation of the MRMB comprised between D2 and D3 in, for example, a tearing mill and a second screening operation of the shredded material and the rest of the MRMB (less than D2) to obtain said two fractions f1 and f2 of MRMB. It is important to note that the mill heartbreaking separates the MRMB with minimal fragmentation of the stone matrix, that is, what it really does is "take off" the aggregates joined by the bitumen.
- the treatment of this step may also include the separation of metallic materials present in the MRMB by magnetic separators.
- the first fraction f1 has a particle size between 0 and 7mm (and more preferably between Omm and 5mm) and the second fraction f2 has a particle size between 4mm and 30mm (and more preferably between 5mm and 25mm).
- two (or more) MRMB fractions are obtained at room temperature, with two (or more) clearly differentiated granulometries and in which the humidity has been significantly reduced.
- the amount of bitumen present in each fraction of the MRMB can be calculated more accurately and with that information the working formula of the final bituminous mixture and the amount of bituminous emulsion to be added in the fourth step can be optimized.
- the execution of this step is carried out by first feeding hoppers T1, T2 destined for fractions f1, f2 of MRMB provided with dosing devices D1, D2 from the preparations A1 and A2; supplying, in second term, predetermined amounts of said fractions f1, f2 to transport devices, for example feeder bands B1, B2 that take them to two differentiated entrances of a drying drum TS where said fractions are mixed and heated differently thus allowing a 100% recycling rate of MRMB for the reasons stated above.
- the MRMB is heated directly but it is done so as not to affect the bitumen present therein.
- the heating of the two fractions l, f2 is carried out by contact with a flow of hot gases ac (avoiding contact with the flame that takes place in the counter-flow drying drums used in bituminous plants such as that described in the patent ES 2 368 980 A1) and the heating time is different for the two fractions fl and f2, by entering them at different points of the drying drum TS to accommodate their different granulometry and, therefore, the different amounts of binder (bitumen ) so as not to affect its properties.
- the fraction f2 with the thickest MRMB is introduced by the input closest to the hot gas source ac (at the beginning of the drying drum TS) as more time is needed to transmit the required amount of heat to the thickest fraction.
- the fraction fl, with the finest aggregate, is introduced through the furthest inlet from the source of hot gases ac which is located at an appropriate point of the drying drum TS so that the fraction f1 reaches the required temperature at the outlet of the drum TS drying that is between 90-120 ° C.
- this step may include an additional fraction of virgin aggregate to improve the characteristics of the bituminous mixture.
- this material would be supplied to the drying drum TS through the feeder belt B2 used for fraction f2 of the MRMB.
- the granulometry of the virgin aggregate will be the one necessary to obtain the final granulometry of the desired mixture with the percentages determined in the working formula obtained in the laboratory.
- this step can include a third and fourth fraction f3 and f4 of the MRMB in case more than two fractions of recycled material are to be used in the manufacturing process.
- the granulometries of the third and a fourth fraction f3 and f4 will be comprised between D1 mm and D2 mm.
- this material would be supplied to the drying drum TS also through the feeder belt B2 used for fraction f2 of the MRMB.
- the mixture obtained in the previous step is kneaded with a predetermined amount of bituminous emulsion supplied at a temperature between 60 ° C and 80 ° C.
- the mixture f1 + f2 obtained in the previous stage is discharged in an AM bitumen mixer or kneader where it is kneaded together with a predetermined amount of bituminous emulsion eb which is received at 60-80 ° C from a T3 tank equipped with a D3 dosing device.
- the amount of bituminous emulsion eb is comprised between 2.5-3% by weight.
- the bituminous mixture mb obtained after the fourth step can be supplied directly to a means of transport to take it to its destination or stored, by means of some lifting device in a hopper or waiting silo, which may be heated and heated.
- Hoppers 1 and 2 are hoppers, with level and weight control contained in each of them and independent weighing feeders for the dosing of their content.
- Hoppers 1 and 2 are destined to the storage of, respectively, the fine fraction and the thick fraction of the MRMB that are produced in a pre-treatment unit of the MRMB.
- Hoppers 3 and 4 are intended to store virgin aggregates of different grain sizes that can also be used as starting materials for the manufacture of bituminous mixtures (either to improve the mixture with 100% MRMB or for mixtures with rates less than 100% of recycled material).
- the third and fourth hoppers can also be used for a third and a fourth fraction of the MRMB if more than two fractions of recycled material are to be used in the manufacturing process.
- it is a parallel flow drum (equi-current), driven by electric motors and fuel oil burner (although any other fuel such as gas can be used).
- Its combustion chamber 6 is arranged in a delayed position and has two entrances or rings in different positions. The closest to the combustion chamber 6 is intended for the thickest fraction (s) of the MRMB and, where appropriate, for virgin aggregates and the furthest for the finest fraction of the MRMB. The latter must be located at a point of the drying drum 5 as far away as possible from the burner (to damage as little as possible to the bitumen) but at a point that allows said fraction to reach the required temperature at the outlet of the drying drum that It is between 90 ° C-120 ° C.
- a bag filter 13 with exhaust fan, to reduce harmful emissions and at the same time favor the combustion of the flame.
- a parallel flow drum - less thermally efficient than a counterflow drum - it includes a recirculation system for effluent fumes. That is, a certain percentage of the exhaust fumes of the drying drum 5 are not sent to the bag filter 13 but are recirculated into the drying drum 5 by means of a system of recirculation ducts and solenoid valves.
- the combustion gases can be mixed at the beginning of their cycle: they can be wrapped with a part of recirculated gases and another of fresh air by means of a tangential fan that creates the turbulence necessary for homogeneous heating (the amount of fresh air can be modulated). With this partial gas recirculation system, the efficiency of the drum in equi-current or in parallel is improved.
- the burner of the drying drum 5 is fed with fuel oil (although any other fuel such as gas can be used) by means of a pump from a tank at approximately 40 ° C and this is filtered through passage filters.
- Transport devices 7, 8 from hoppers 1, 2; 3, 4 to the drying drum 5.
- the quantities required at all times of the thin and thick fractions of MRMB are delivered, respectively, to transport devices 7, 8 (in the example shown in Figure 2 are conveyor belts) as well as , where appropriate, the virgin aggregates to the transport device 8 by means of dosing devices (belt feeders with frequency inverter and integrated scale) integrated in the hoppers 1, 2, 3, 4 and said transport devices lead them to the drum of drying 5.
- the transport device 8 is connected to the inlet of the drying drum 5 closest to the combustion chamber 6 and the transport device 7 is connected to the farthest inlet.
- - Tank 10 of bituminous emulsion are examples of bituminous emulsion.
- It is a heated and heated tank with sufficient capacity to store the bitumen emulsion for the process. It is connected to a pump driven with a frequency inverter and governed by a control system (PID) that is based on the readings of a flowmeter to supply the bitumen emulsion to the mixer 9.
- PID control system
- the kneader 9 receives the flow of output material from the drying drum 5 and the bituminous emulsion of the tank 10 at a temperature between 60-80 ° C.
- the kneader 9 is arranged under the drying drum 5 so that it can receive by gravity the mixture of the MRMB fractions (and, where appropriate, virgin aggregates) reaching the final mixture at a temperature between 90-110 ° C. It is therefore a different arrangement to that of temperate bituminous mix plants such as that described in ES 2 368 980 A1.
- the mixer 9 includes an energy consumption measurement system to estimate, using appropriate correlation tables, the moisture of the final mixture. This parameter is essential, therefore, to ensure adequate compaction at work, it is necessary that the humidity of the mixture ranges between 0.5 and 1%.
- the installation foresees the possibility of adding water to the mixer to achieve the desired humidity in the final mixture.
- the bituminous mixture leaving the mixer 9 is carried to a waiting hopper 12 by means of a lifting device such as, for example, a bucket elevator 11.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Processing Of Solid Wastes (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2017000924A MX2017000924A (es) | 2014-07-23 | 2015-04-17 | Procedimiento y planta de fabricacion de mezclas bituminosas templadas con material recuperado de mezclas bituminosas. |
EP15824453.3A EP3173526A4 (en) | 2014-07-23 | 2015-04-17 | Method and plant for the production of hot asphalt mixes with reclaimed asphalt mix material |
US15/328,430 US20170211243A1 (en) | 2014-07-23 | 2015-04-17 | Method and plant for the production of hot asphalt mixes with reclaimed asphalt mix material |
CA2955110A CA2955110A1 (en) | 2014-07-23 | 2015-04-17 | Method and plant for the production of tempered bituminous mixtures with reclaimed asphalt pavement |
BR112017001136-0A BR112017001136A2 (pt) | 2014-07-23 | 2015-04-17 | procedimento contínuo e planta para a fabricação de misturas betuminosas temperadas a partir de material recuperado de misturas betuminosas (mrmb) e de uma emulsão betuminosa |
CONC2017/0000439A CO2017000439A2 (es) | 2014-07-23 | 2017-01-19 | Procedimiento y planta de fabricación de mezclas bituminosas templadas con material recuperado de mezclas bituminosas |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES201431103A ES2560895B2 (es) | 2014-07-23 | 2014-07-23 | Procedimiento y planta de fabricación de mezclas bituminosas templadas con material recuperado de mezclas bituminosas |
ESP201431103 | 2014-07-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016012635A1 true WO2016012635A1 (es) | 2016-01-28 |
Family
ID=55162541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2015/000054 WO2016012635A1 (es) | 2014-07-23 | 2015-04-17 | Procedimiento y planta de fabricación de mezclas bituminosas templadas con material recuperado de mezclas bituminosas |
Country Status (11)
Country | Link |
---|---|
US (1) | US20170211243A1 (es) |
EP (1) | EP3173526A4 (es) |
BR (1) | BR112017001136A2 (es) |
CA (1) | CA2955110A1 (es) |
CL (1) | CL2017000167A1 (es) |
CO (1) | CO2017000439A2 (es) |
ES (1) | ES2560895B2 (es) |
MA (1) | MA40442A (es) |
MX (1) | MX2017000924A (es) |
PE (1) | PE20170190A1 (es) |
WO (1) | WO2016012635A1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020123078A1 (de) * | 2020-09-03 | 2022-03-03 | Pakexa AG | Verfahren zum Aufbereiten von bitumen- und/oder teerhaltigen Feststoffen |
CN114687266B (zh) * | 2022-05-30 | 2022-08-19 | 江苏南通冠仟新材料科技有限公司 | 基于程序控制的再生沥青混凝土智能翻拌方法 |
WO2024153711A2 (de) | 2023-01-18 | 2024-07-25 | Fbb Frischbeton + Baustoff Ag Hinwil | Verfahren zur wiederverwertung von asphalt |
WO2024153709A1 (de) | 2023-01-18 | 2024-07-25 | Fbb Frischbeton + Baustoff Ag Hinwil | Verfahren zur wiederverwertung von asphalt |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4096588A (en) * | 1975-08-11 | 1978-06-20 | Mendenhall Robert Lamar | Recycled asphalt-aggregate process and apparatus |
US4126397A (en) * | 1976-12-27 | 1978-11-21 | Mendenhall Robert Lamar | Asphaltic concrete recycle apparatus |
US4153471A (en) * | 1976-12-27 | 1979-05-08 | Mendenhall Robert Lamar | Process for treating exhaust gaseous mixtures from directly exposing asphalt-aggregate compositions to hot gases |
US4481039A (en) * | 1981-08-17 | 1984-11-06 | Mendenhall Robert Lamar | Method for recycling asphaltic concrete |
US4619550A (en) * | 1984-10-05 | 1986-10-28 | Cd High Technology, Inc. | Microwave method and apparatus for heating loose paving materials |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9683336B2 (en) * | 2011-04-14 | 2017-06-20 | Astec, Inc. | Apparatus and method for an asphalt plant |
-
2014
- 2014-07-23 ES ES201431103A patent/ES2560895B2/es not_active Expired - Fee Related
-
2015
- 2015-04-17 BR BR112017001136-0A patent/BR112017001136A2/pt not_active IP Right Cessation
- 2015-04-17 CA CA2955110A patent/CA2955110A1/en not_active Abandoned
- 2015-04-17 EP EP15824453.3A patent/EP3173526A4/en not_active Withdrawn
- 2015-04-17 MX MX2017000924A patent/MX2017000924A/es unknown
- 2015-04-17 US US15/328,430 patent/US20170211243A1/en not_active Abandoned
- 2015-04-17 PE PE2017000088A patent/PE20170190A1/es not_active Application Discontinuation
- 2015-04-17 MA MA040442A patent/MA40442A/fr unknown
- 2015-04-17 WO PCT/ES2015/000054 patent/WO2016012635A1/es active Application Filing
-
2017
- 2017-01-19 CO CONC2017/0000439A patent/CO2017000439A2/es unknown
- 2017-01-23 CL CL2017000167A patent/CL2017000167A1/es unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4096588A (en) * | 1975-08-11 | 1978-06-20 | Mendenhall Robert Lamar | Recycled asphalt-aggregate process and apparatus |
US4126397A (en) * | 1976-12-27 | 1978-11-21 | Mendenhall Robert Lamar | Asphaltic concrete recycle apparatus |
US4153471A (en) * | 1976-12-27 | 1979-05-08 | Mendenhall Robert Lamar | Process for treating exhaust gaseous mixtures from directly exposing asphalt-aggregate compositions to hot gases |
US4481039A (en) * | 1981-08-17 | 1984-11-06 | Mendenhall Robert Lamar | Method for recycling asphaltic concrete |
US4619550A (en) * | 1984-10-05 | 1986-10-28 | Cd High Technology, Inc. | Microwave method and apparatus for heating loose paving materials |
Non-Patent Citations (1)
Title |
---|
See also references of EP3173526A4 * |
Also Published As
Publication number | Publication date |
---|---|
MA40442A (fr) | 2017-05-31 |
MX2017000924A (es) | 2017-03-14 |
EP3173526A4 (en) | 2018-02-21 |
PE20170190A1 (es) | 2017-04-05 |
US20170211243A1 (en) | 2017-07-27 |
CL2017000167A1 (es) | 2017-07-21 |
ES2560895B2 (es) | 2017-01-16 |
CA2955110A1 (en) | 2016-01-28 |
CO2017000439A2 (es) | 2017-04-10 |
BR112017001136A2 (pt) | 2018-01-30 |
EP3173526A1 (en) | 2017-05-31 |
ES2560895A1 (es) | 2016-02-23 |
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