EP3243957A1 - Anlage und verfahren zur umhüllung von granulaten - Google Patents
Anlage und verfahren zur umhüllung von granulaten Download PDFInfo
- Publication number
- EP3243957A1 EP3243957A1 EP17170410.9A EP17170410A EP3243957A1 EP 3243957 A1 EP3243957 A1 EP 3243957A1 EP 17170410 A EP17170410 A EP 17170410A EP 3243957 A1 EP3243957 A1 EP 3243957A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- aggregates
- asphalt
- fresh
- coating plant
- 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
- 239000011248 coating agent Substances 0.000 title claims abstract description 50
- 238000000576 coating method Methods 0.000 title claims abstract description 50
- 238000009434 installation Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000010426 asphalt Substances 0.000 claims abstract description 76
- 238000001035 drying Methods 0.000 claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 74
- 239000011230 binding agent Substances 0.000 claims description 29
- 238000002156 mixing Methods 0.000 claims description 12
- 238000004898 kneading Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 241001417494 Sciaenidae Species 0.000 description 16
- 239000000203 mixture Substances 0.000 description 12
- 238000004064 recycling Methods 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 230000009347 mechanical transmission Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
Images
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
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
- E01C19/1027—Mixing in a rotary receptacle
- E01C19/1036—Mixing in a rotary receptacle for in-plant recycling or for reprocessing, e.g. adapted to receive and reprocess an addition of salvaged material, adapted to reheat and remix cooled-down batches
-
- 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
- E01C19/1059—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
- E01C2019/109—Mixing containers having a counter flow drum, i.e. the flow of material is opposite to the gas flow
-
- 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
- the present invention relates to the field of coating aggregates facilities for the production of asphalt, including paving for road surfacing, with recycling asphalt aggregates.
- the aggregates For the drying and heating of the aggregates, it is possible to introduce the aggregates into a dryer drum rotatably mounted about its central axis, the axis of the drum being inclined relative to the horizontal plane, and to circulate a flow of hot gas in the dryer drum to dry and heat the aggregates.
- the fresh aggregates are introduced into the dryer drum at the raised end thereof, and the hot aggregates are recovered at the lowered end of the dryer drum.
- the aggregates Due to the rotation of the drying drum, the aggregates are raised and fall back to form a curtain of aggregates inside the drying drum, the flow of hot gas passing through the curtain of aggregates.
- drying drum is called a "kneader-drier" or in a separate external kneader and separated from the drying drum.
- a co-current or counter-current dryer-mixer drum successively comprising, from its raised end toward its lowered end, a drying section for drying the aggregates, a section of mixture for mixing the aggregates and asphalt aggregates, asphalt aggregates being introduced into the mixing section, and a kneading section for kneading the mixture with a filler, the filler binder being introduced into the kneading section.
- the hot gases circulating in the drying drum are generated by means of a burner disposed inside the drying drum, disposed near the raised end or the lowered end of the drying drum, depending on whether the latter is co-current or countercurrent.
- the aggregates are superheated in the dryer drum to provide the amount of heat required for heating the asphalt aggregates in the kneading drum.
- drying drum for drying aggregates and a drying drum for drying asphalt aggregates, aggregates and aggregates of asphalt and filler binder being then introduced into a kneader separate from the drums. dryers.
- the flow of hot gas circulating in the drying drum for the drying of the aggregates is generated by a burner disposed in this drying drum or by a hot gas generator comprising an enclosure and a burner for generating the hot gases, the enclosure being fluidly connected to the dryer drum to route the hot gases into the dryer drum.
- the "recycling rate” is the ratio of the amount of asphalt aggregate to the sum of the amount of asphalt aggregate and the amount of fresh aggregate entering the mix.
- One of the aims of the invention is to propose an aggregates coating plant that makes it possible to increase the recycling rate of asphalt aggregates in the production of asphalt mixes, in particular paving mixes.
- the invention proposes an aggregates coating plant for the production of mixes from fresh aggregates and recycled fresh asphalt aggregates, the plant comprising a first gas-drying drum in the first drum, and a second gas-drying drum in the second drum, the second drum being separate from the first drum, the apparatus being configured for the first drum; feeding the second drum with at least a fraction of the fresh asphalt aggregates, the second drum being fluidly connected in series with the first drum for the circulation in the second drum of gas having previously circulated in the first drum.
- the invention also relates to a process for coating aggregates for the production of mixes from fresh aggregates and recycled fresh asphalt aggregates, the method comprising circulating hot gases in a first rotary drying drum, feeding a second rotary drying drum with at least one fraction of the fresh asphalt aggregates, and the circulation in the second gas drum having previously circulated in the first drum, to dry the asphalt aggregates feeding the second drum.
- the aggregate coating plant 2 of the Figure 1 is configured for asphalt mix asphalt mix production from fresh aggregates and fresh recycled asphalt aggregates.
- freshness means that the aggregates or asphalt aggregates are wet and cold and have not yet been dried - completely or partially - in the aggregate coating plant 2.
- the aggregate coating plant 2 comprises a first drying drum 4 by circulation of a gas flow in the first drum 4, and a second drying drum 6 by circulation of a gas flow in the second drum 6 , the first drum 4 being distinct from the second drum 6.
- the aggregate coating plant 2 comprises a first feeder 7 configured to feed the raised end 4A of the first drum 4 in fresh G granulate.
- the aggregate coating plant 2 comprises a second feed device 9 configured to feed the raised end 6A of the second drum 6 into fresh AE mixes.
- the aggregates and / or asphalt aggregates present in the drum are raised due to the rotation of the drum and fall back to form a curtain of aggregates and / or of asphalt aggregates.
- the gases circulating in the drum pass through the curtain of aggregates and / or asphalt aggregates, and dry the aggregates and / or asphalt aggregates,
- the angle of inclination of the central axis A1, A2 of each of the first drum 4 and the second drum 6 relative to the horizontal plane is typically between 2 ° and 6 °.
- the second drum 6 is a co-current dryer drum, the gas flowing in the second drum 6 in the direction of advance of the asphalt aggregates. In operation, the gases flow from the raised end 6A towards the lowered end 6B of the second drum 6.
- the aggregate coating plant 2 comprises a burner 8 to form a flame F and heat the gases flowing in the first drum 4.
- the second drum 6 is fluidly connected in series with the first drum 4 so as to feed the second drum 6 with gases that have already circulated in the first drum 4.
- the second drum 6 is here fluidly connected to the first drum 4 by a supply connection 10 so as to feed the second drum 6 with gases having circulated in the first drum 4.
- the aggregate coating plant 2 is configured to feed the second drum 6 with at least a fraction of the gases leaving the first drum 4.
- the aggregate coating plant 2 can be configured to feed the second drum 6 with a fraction of the gases leaving the first drum 4 or with all the gases leaving the first drum 4.
- the second drum 6 is supplied with hot gas only by gases that have already circulated in the first drum 4.
- the second drum 6 is in particular devoid of burner 8.
- the gases circulate in the first drum 4 by being heated initially to a first temperature T1, and are introduced into the second drum 6 at a second temperature T2 strictly lower than the first temperature T1.
- the gases are initially heated to the first temperature T1 by the burner 8, and then progressively cool while circulating in the first drum 4, and are therefore introduced into the second drum 6 at a second temperature T2 strictly lower than the first temperature T1 .
- the aggregate coating plant 2 is also configured for feeding the second drum 6 with the heated aggregates leaving the first drum 4.
- the aggregates heated in the first drum 4 are introduced into the second drum 6 at the end. raised 6A thereof, with asphalt aggregates.
- the aggregate coating plant 2 here comprises a transfer device 11 for transferring the aggregates from the lowered end of the first drum to the raised end of the second drum 6.
- the raised end 6A of the second drum 6 is fed asphalt aggregates and aggregates leaving the first drum 4, and the second drum 6 mixes the asphalt aggregates and heated aggregates.
- the heat of the aggregates heated in the first drum 4 allows part of drying the asphalt aggregates in the second drum.
- the asphalt aggregates are dried in the second drum 6 by the gases leaving the first drum 4 and by the aggregates previously heated in the first drum 4.
- the aggregate coating plant 2 comprises a kneader 12 for kneading the mixture M of aggregates and asphalt aggregates exiting the second drum 6, at the lowered end 6B thereof.
- binder from asphalt aggregates. It may be necessary to also provide additional binder, called “binder”.
- the aggregate coating plant 2 comprises a recirculation circuit 16 for recovering at least a fraction of the gases leaving the second drum 6 and reintroducing these gases into the first drum 4.
- the recirculation circuit 16 is here configured to recover gases at the lowered end 6B of the second drum 4 and to reinject the high end 4A of the first drum 4.
- Such a recirculation of the gases makes it possible to simply adjust the temperature of the gases in the first drum 4, for example by varying the fraction of the recycled gases coming from the second drum 6.
- the aggregate coating plant 2 comprises a filtering device 18 fluidly connected to the second drum 6 for filtering at least a fraction of the gases leaving the second drum 6.
- the filtering device 12 is for example a bag filter.
- the filtering device 18 is here fluidly connected to the lowered end 6B of the second drum 4 by a filtering link 20.
- the aggregate coating plant 2 comprises an emission recovery circuit 22 for recovering emissions emitted in the mixer 12 and injecting them into the gases upstream of the burner 8, in order to incinerate these emissions in the flame F of the burner 8 Emissions are emitted by the binder or the recycling binder during mixing.
- the emission recovery circuit 22 here passes into the recirculation circuit 16, so as to reinject the emissions 22 with the gases reinjected into the first drum 4.
- the emission recovery circuit 22 is separated from the transmission circuit. recirculation 22 and opens into the first drum 4.
- the first drum 4 and the second drum 6 are separate rotatable about their respective central axes A1, A2 at different speeds of rotation of each other.
- the speed of rotation of the first drum 4 is adjustable with respect to the speed of rotation of the second drum 6.
- the speed of rotation of the first drum 4 can take several different values for the same speed of rotation of the second drum 6.
- the aggregate coating plant 2 comprises a common drive device for driving in rotation the first drum 4 and the second drum 6, the first drum 4 and the second drum 6 being coupled to the common drive respectively by a first mechanical transmission and a second mechanical transmission, at least the first mechanical transmission having a plurality of selectable transmission ratios.
- the speed of rotation of the first drum 4 is adjustable independently of the speed of rotation of the second drum 6.
- the aggregate coating plant 2 comprises a first drive device 24 for driving in rotation the first drum, and a second drive device 26 for driving in rotation the second drum, the second the drive 24 being separate from the first drive motor 26.
- the first drive device 24 and the second drive device 26 are adjustable independently of each other for adjusting the rotational speed of the first drum 4 regardless of the speed of rotation of the second drum 6.
- Each drive device is configured to generate a rotational drive torque.
- Each drive device comprises for example a motor or a series of motors.
- the adjustment of the speed of rotation of the first drum 4 makes it possible to adjust the temperature of the heating gases leaving the first drum 4.
- the variation of the speed of the drum makes it possible to vary the density of the curtain of materials and the speed progress of materials.
- the aggregates are dried and heated by the hot gases in the first drum 4.
- the hot gases generated by the burner 8 are heated to a high temperature (first temperature T1) and leave the first drum 4 at a moderate temperature (Second temperature T2) due to a first heat exchange with the aggregates.
- the asphalt aggregates are dried and heated in the second drum 6 fed with the gases at moderate temperature (second temperature T2) coming out of the first drum 4, while being mixed with the aggregates previously heated in the first drum 4.
- the binder The feed is mixed with the aggregates and asphalt aggregates in the mixer 12.
- the asphalt aggregates are not subjected to the radiation of the flame F of the burner 8 and are not in contact with very high temperature gases generated by the burner 8.
- Adjusting the temperature of the gases leaving the first drum 4 and supplying the second drum 6 for drying the asphalt aggregates makes it possible to supply the second drum 6 with gases having a temperature suitable for a recycling of aggregates. coated with a high recycling rate.
- the aggregate coating plant 2 comprises a single burner, which limits its manufacturing, operating and maintenance costs.
- the separate mixer 12 can be sanitized and the emissions can be incinerated in the flame F of the burner 8.
- the embodiment of the Figure 2 differs from that of the Figure 1 in that the second drum 6 is countercurrent. It is configured for the gases to flow from the lowered end 6B to the raised end 6A.
- the lowered end 6B of the second drum 6 is fluidly connected to the lowered end 4B of the first drum 4 for feeding the lowered end 6B of the second drum 6 with the gases exiting at the lowered end 6B of the first drum 4 .
- the embodiment of the Figure 3 differs from that of the Figure 1 in that the second drum 6 is a drying drum and kneader or "drier-kneader".
- the aggregate coating plant 2 is here devoid of separate mixer.
- the second drum 6 successively comprises, from its raised end 6A towards its lowered end 6B, a drying section 30 and a kneading section 32.
- the feed binder supply device 14 is arranged to introduce the feed binder. inside the second drum 6, in the mixing section 32.
- the end of the first drum 4 through which the gases exit is fluidly connected to the end of the second drum 6 through which the gases are introduced the second drum 6, so as to feed the second drum with at least a fraction of the gases leaving the first drum 4.
- the second drum 6 is supplied with gas only with the gases leaving the first drum 4.
- the burner 8 is disposed inside the first drum.
- the aggregate coating plant 2 comprises a separate combustion chamber and separated from the first drum, the burner being disposed within the combustion chamber, the combustion chamber being fluidly connected to the first drum to circulate the hot gases in the first drum.
- the combustion chamber is fluidly connected to the raised end of the first drum or to the lowered end of the first drum depending on whether the first drum is co-current or countercurrent.
- the gas recirculation circuit 16 is configured to reinject the gases taken at the outlet of the second drum into the combustion chamber and / or into the first drum at the end of the first drum 4. which hot gases are introduced into the first drum 4.
- the emission recovery circuit is configured to reinject the emissions into the combustion chamber for incineration in the flame F of the burner 8.
- the emission recovery circuit is configured for the reinjection of the emissions into the gases upstream of the burner 8 for the incineration of the emissions in the flame F of the burner 8.
- hot aggregates coming out of the first drum 4 are introduced into the second drum 6 directly into an intermediate section of the second drum 6, situated at a distance from the raised end 6A of the second drum 6.
- the aggregate coating plant 2 comprises for example an insertion ring 34 disposed on the second drum 6 at a distance from the raised end 6A of the second drum 6, and connected to the lowered end 4B of the first drum 4 to receive the hot aggregates coming out of the first drum 4.
- fresh aggregates feed the raised end 6A of the second drum 6.
- the aggregate coating plant 2 comprises an auxiliary supply device 36 for introducing fresh aggregates into the raised end 6A of the second drum 6.
- the aggregate coating plant 2 optionally comprises a fresh aggregate introduction device 38 for introducing fresh aggregates into the second drum 6 directly into an intermediate section of the second drum 6, located at a distance from the raised end. 6A of the second drum 6, for example via an insertion ring 34.
- the fresh aggregates are introduced into the first drum 4 and / or directly into the second drum 6.
- At least a fraction of the fresh aggregates is introduced into the first drum 4 at its raised end 4A.
- This fraction is preferably a major fraction, representing at least 50% of the amount of fresh aggregate, more preferably at least 80% of the amount of fresh aggregate.
- all the fresh aggregates are introduced into the first drum 4 at its raised end 4A.
- hot aggregates leaving the first drum 4 are introduced directly into the mixer 12 without passing through the second drum 6.
- the aggregate coating plant 12 comprises, for example, an auxiliary transfer device 40 for transferring aggregates directly from the lowered end 4B of the first drum 4 to the mixer 12 without passing through the second drum 6.
- At least a fraction of the fresh asphalt aggregates is introduced into the second drum 6 for drying by circulation of gas that has already circulated in the first drum 6.
- the fraction of the fresh mixes introduced into the second drum 6 is a majority fraction of the fresh mixes aggregates, representing at least 50% of the quantity of fresh asphalt aggregates, preferably at least 80% the quantity of fresh asphalt aggregates, and in a particular embodiment, all the fresh asphalt aggregates.
- the kneader 12 is a batch kneader which processes aggregates and asphalt aggregates by successive drills.
- the aggregate coating plant 2 comprises a storage device disposed between the second drum 6 and the mixer 12 for temporarily storing aggregates and aggregates of hot mix, before supplying them to the mixer 12.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1654161A FR3051203B1 (fr) | 2016-05-10 | 2016-05-10 | Installation et procede d'enrobage de granulats |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3243957A1 true EP3243957A1 (de) | 2017-11-15 |
EP3243957B1 EP3243957B1 (de) | 2018-12-12 |
EP3243957B2 EP3243957B2 (de) | 2021-12-15 |
Family
ID=56411754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17170410.9A Active EP3243957B2 (de) | 2016-05-10 | 2017-05-10 | Anlage und verfahren zur umhüllung von granulaten |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3243957B2 (de) |
ES (1) | ES2715484T5 (de) |
FR (1) | FR3051203B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109706821A (zh) * | 2019-03-04 | 2019-05-03 | 江苏人杰筑路机械科技有限公司 | 一种环保节能型全再生沥青混合料搅拌设备 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3079020B1 (fr) * | 2018-03-19 | 2020-08-07 | Argumat | Bruleur de fumees bleues pour la depollution d'une centrale d'enrobage, centrale d'enrobage et procede de depollution associes |
FR3126432B1 (fr) * | 2021-08-26 | 2023-08-04 | Argumat | Installation de production d’enrobes et procede de fabrication d’enrobes dans une telle installation de production d’enrobes |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2131314A (en) * | 1982-12-02 | 1984-06-20 | South African Inventions | Asphalt recycling |
EP0437990A1 (de) * | 1990-01-18 | 1991-07-24 | Ermont. C.M. | Vorrichtung zur Aufbereitung von bituminösem Mischgut mit einer Gleichstrom- und einer Gegenstromtrommel und entsprechendes Verfahren |
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US3865541A (en) † | 1971-09-27 | 1975-02-11 | Tenneco Oil Co | Method for processing colemanite ore |
US3920380A (en) † | 1974-12-13 | 1975-11-18 | Allis Chalmers | Method and furnace for heat treating material |
US4047884A (en) † | 1976-04-05 | 1977-09-13 | Allis-Chalmers Corporation | Means and method for processing cement raw materials containing fuel of high volatile content |
US4142803A (en) † | 1976-10-05 | 1979-03-06 | Mendenhall Robert Lamar | Recycled asphalt-aggregate process and apparatus |
DE3441382A1 (de) † | 1984-11-13 | 1986-05-22 | Deutsche Asphalt Gmbh, 6000 Frankfurt | Verfahren und vorrichtung zum aufbereiten von asphalt |
DE3530248A1 (de) † | 1985-08-23 | 1987-03-26 | Bayerische Asphalt Mischwerke | Verfahren und vorrichtung zur aufbereitung von bituminoesem mischgut |
DE3540978A1 (de) † | 1985-09-21 | 1987-03-26 | Wibau Ag | Verfahren zur emissionsarmen aufbereitung eines bituminoesen mischgutes mit hohem asphaltgranulatanteil als recycling-mischgut |
DE3624735C2 (de) † | 1986-07-22 | 1995-05-04 | Wibau Gmbh | Verfahren zur Einleitung eines Brennerabgases aus einer ersten Trockentrommel als Tertiärluft in den Brenner einer zweiten Trommel, sowie eine Vorrichtung zur Ausübung des Verfahrens |
US5201839A (en) † | 1989-05-15 | 1993-04-13 | Cmi Corporation | Countercurrent drum mixer with second heat source |
US5174650A (en) † | 1990-07-23 | 1992-12-29 | Cedarapids, Inc. | Dual drum recycle asphalt drying and mixing method and apparatus |
DE4140964A1 (de) † | 1991-12-12 | 1993-06-17 | Wibau Gmbh | Verfahren zur herstellung von asphaltmischgut |
US5397177A (en) † | 1992-02-03 | 1995-03-14 | Swisher, Jr.; George W. | Asphalt production plant having a two-burner dryer with increased exhaust capacity |
EP0632242B1 (de) † | 1993-07-02 | 2000-08-02 | U. Ammann Maschinenfabrik AG | Trocknung und/oder Erhitzung von rieselfähigem Material |
US5664881A (en) † | 1993-11-16 | 1997-09-09 | Maxam Equipment, Inc. | Counter-flow asphalt plant with multi-stage combustion zone overlapping the mixing zone |
US5538340A (en) † | 1993-12-14 | 1996-07-23 | Gencor Industries, Inc. | Counterflow drum mixer for making asphaltic concrete and methods of operation |
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US8157431B2 (en) † | 2007-06-15 | 2012-04-17 | Terex Usa, Llc | Low emission energy efficient 100 percent RAP capable asphalt plant |
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2016
- 2016-05-10 FR FR1654161A patent/FR3051203B1/fr active Active
-
2017
- 2017-05-10 EP EP17170410.9A patent/EP3243957B2/de active Active
- 2017-05-10 ES ES17170410T patent/ES2715484T5/es active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2131314A (en) * | 1982-12-02 | 1984-06-20 | South African Inventions | Asphalt recycling |
EP0437990A1 (de) * | 1990-01-18 | 1991-07-24 | Ermont. C.M. | Vorrichtung zur Aufbereitung von bituminösem Mischgut mit einer Gleichstrom- und einer Gegenstromtrommel und entsprechendes Verfahren |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109706821A (zh) * | 2019-03-04 | 2019-05-03 | 江苏人杰筑路机械科技有限公司 | 一种环保节能型全再生沥青混合料搅拌设备 |
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ES2715484T3 (es) | 2019-06-04 |
EP3243957B1 (de) | 2018-12-12 |
FR3051203B1 (fr) | 2019-09-06 |
FR3051203A1 (fr) | 2017-11-17 |
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EP3243957B2 (de) | 2021-12-15 |
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