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WO2019134729A1 - Procédé de production d'un produit d'asphalte, produit d'asphalte ainsi obtenu, appareil de production d'un produit d'asphalte - Google Patents

Procédé de production d'un produit d'asphalte, produit d'asphalte ainsi obtenu, appareil de production d'un produit d'asphalte Download PDF

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Publication number
WO2019134729A1
WO2019134729A1 PCT/DK2019/050006 DK2019050006W WO2019134729A1 WO 2019134729 A1 WO2019134729 A1 WO 2019134729A1 DK 2019050006 W DK2019050006 W DK 2019050006W WO 2019134729 A1 WO2019134729 A1 WO 2019134729A1
Authority
WO
WIPO (PCT)
Prior art keywords
shredded
asphalt
materials
bitumen
reactor
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.)
Ceased
Application number
PCT/DK2019/050006
Other languages
English (en)
Inventor
Karsten Rasmussen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Enviso Group AS
Original Assignee
Enviso Group AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Enviso Group AS filed Critical Enviso Group AS
Publication of WO2019134729A1 publication Critical patent/WO2019134729A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
    • B09B3/35—Shredding, crushing or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B2017/042—Mixing disintegrated particles or powders with other materials, e.g. with virgin materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B2017/0424—Specific disintegrating techniques; devices therefor
    • B29B2017/0468—Crushing, i.e. disintegrating into small particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2095/00—Use of bituminous materials as moulding material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/20—Recycled plastic
    • C08L2207/22—Recycled asphalt
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2555/00—Characteristics of bituminous mixtures
    • C08L2555/20—Mixtures of bitumen and aggregate defined by their production temperatures, e.g. production of asphalt for road or pavement applications
    • C08L2555/22—Asphalt produced above 140°C, e.g. hot melt asphalt
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2555/00—Characteristics of bituminous mixtures
    • C08L2555/20—Mixtures of bitumen and aggregate defined by their production temperatures, e.g. production of asphalt for road or pavement applications
    • C08L2555/24—Asphalt produced between 100°C and 140°C, e.g. warm mix asphalt
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2555/00—Characteristics of bituminous mixtures
    • C08L2555/30—Environmental or health characteristics, e.g. energy consumption, recycling or safety issues
    • C08L2555/34—Recycled or waste materials, e.g. reclaimed bitumen, asphalt, roads or pathways, recycled roof coverings or shingles, recycled aggregate, recycled tires, crumb rubber, glass or cullet, fly or fuel ash, or slag
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the invention relates to a method for producing an asphalt product.
  • the invention also relates to an asphalt product, preferably produced by the method.
  • the invention fur thermore relates to an apparatus for producing the asphalt product by the method.
  • roofing materials containing bitumen such as roofing membranes, generally consist of 10 to 15 weight percentage carrier material such as fiber materials and approxi- mately 70 to 80 weight percentage bitumen and other materials as well.
  • the bitumen content used in bitumen-containing roofing materials is generally higher than the bi tumen content normally used as a binder in the production of an asphalt product for road surfaces.
  • bitumen-containing roofing materials such as roofing membranes
  • measures are often demanded for disposing of the roofing materials as waste.
  • Disposing of house building materials such as roofing membranes and other structures made of, or comprising, bitumen is often costly and environmentally harmful.
  • a granu late is heated to a relatively high temperature, for example in the order of l80-l95°C and kept ready for mixing with virgin bitumen at the relatively high temperature in a so-called mixer.
  • Heating the asphalt product to relatively high temperatures is costly and environmentally harmful.
  • the heating in traditional asphalt mixers uses fossil fuels, with all the associated C0 2 related problems as well as“normal” air pollution.
  • the raw material is introduced into a rotation mixer ov- en.
  • a burner is arranged typically burning oil or gas such that the tempera- ture inside the asphalt mixing oven is relatively high or at least high enough in order to liquidize the bitumen in the raw materials.
  • the object of the invention is to provide a method for producing an asphalt product, and an asphalt product as such, where the amount of fresh/virgin materials used for producing the asphalt product is negligible, and as such the method and the asphalt product is based on reusable materials, thereby limiting the environmental impact in producing the asphalt product.
  • the problem to be solved by the invention is solved by a method for producing an asphalt product, the method comprising the following steps:
  • the inventive method involves many inventive principles, first of all the mixture which is obtained by the method may be used as an underlay asphalt layer, i.e. the asphalt layer immediately under the finished road surface asphalt layer, and hitherto it has not been possible to make this layer entirely from reused materials. Therefore, combining asphalt product containing road construction materials, for example mate rials having been grinded away from an existing road surface and combining these with reused bitumen containing roofing materials is a very economic and environmen tally healthy method.
  • the materials which are used in the inventive method in order to produce a new asphalt product has before been considered waste products where par ticularly the bitumen containing roofing materials have required special considerations when being disposed of or being stored.
  • Bitumen containing materials contain sol- vents and other volatile substances which when stored in land fills may seep into the ground water and create pollution of drinking water or may evaporate into the air and thereby create air pollution.
  • the otherwise waste products are reused as a valua ble resource and built into roads and at the same time new resources are saved for oth- er purposes.
  • the method comprises the further steps of:
  • the at least one additive into the mixture of shredded asphalt-containing road construction materials and the shredded bitumen-containing roofing materials.
  • the cold mixing feature is advantageous, as it is only necessary to apply heat immediately before placing the asphalt. In the art it is necessary to apply heat while mixing the asphalt at the factory, and keep the mixed asphalt warm/hot while transporting it and placing it.
  • a weight ratio between the shredded asphalt-containing road construction materials and the shredded bitumen-containing roofing materials is between 100: 1 and 100:5 , and
  • a weight ratio between the mixture of shredded asphalt-containing road construction materials and the shredded bitumen-containing roofing materials and the additive is between 0% and 0,5%
  • the additive which may be added in such an insignificant amount that the overall pic ture clearly demonstrates that the resulting asphalt is very close to being completely manufactured from reusable materials, which should otherwise have been disposed of as waste.
  • the additive will typically be a softener, added in order to achieve a better mixing of the regenerated materials, and thereby obtain a more homogeneous mix having in creased workability, especially while being place in-situ.
  • the problem of the invention is solved by providing an asphalt product comprising shredded asphalt-containing road construction materials and shredded bitumen- containing roofing materials, and the asphalt product not containing virgin bitumen and only containing bitumen retrieved from bitumen-containing roofing materials.
  • the asphalt product is produced by the method according to the invention.
  • a weight ratio between the shredded asphalt-containing road construction materi als and the shredded bitumen-containing roofing materials is between 100: 1 and 100:5.
  • the as- phalt product also containing at least one additive selected from the following addi tives:
  • the additive is typically a softener in a very limited amount with respect to the entire batch of asphalt product manufactured according to the present invention.
  • a softener for exam- ple for approximately one ton of combined retrieved asphalt product containing road construction material and bitumen containing roofing materials, approximately six kilos as softener is used.
  • the softener mainly acts in order to create a homogenous matrix when mixing the two fractions (the asphalt product containing road construc tion materials and the bitumen containing roofing materials).
  • a weight ratio between the mixture of shredded asphalt-containing road construction materials and the shredded bitumen-containing roofing materials and the additive is between 100: 1 and 100: 10.
  • the object of the invention may also be obtained by an apparatus for mixing shredded asphalt-containing road construction materials being retrieved from a road surface and shredded bitumen-containing roofing materials being, the apparatus comprising - a mixing plant for mixing the materials, the mixing plant comprising - at least one first container for storing the shredded asphalt-containing road construc- tion materials and
  • the reactor has a screw conveyor provided inside the reactor for displacing the mixture from the inlet of the reactor to the outlet of the reactor, said screw conveyor having a central axle and having blades extending outwards form the central axle, and where at least one of the central axle and the blades are provided with one or more cavities, and where a heated medium is capable of being circulated through the one or more cavities for heating the mixture when the mixture is being displaced from the inlet of the reactor to the outlet of the reactor.
  • the screw conveyor being provided with cavities such that a heating media for exam ple superheated steam or a special oil being circulated inside said screw conveyor provides an improved heat distribution in the material inside the reactor such that a faster and more homogenous heating is obtained in the reactor.
  • the screw conveyor comes into contact with substantially all the material fed into the reactor and as such very good heat exchange properties between the heating media and the mixture inside the reactor is obtained.
  • no direct flame is inside the reactor, no burned residue or other deteriorated asphalt product is present inside the reactor.
  • the apparatus according to the invention provides a faster more homogenous safer and environmentally friendly mixing and heating process leading to an asphalt product having very good characteristics.
  • the apparatus is divided into first and second units, wherein the first unit is placed on one mobile unit and the second unit is placed on another mobile unit, both the one and the other mo bile unit capable of being transported from one site for laying out the asphalt product to another site for laying out the asphalt product, and where the apparatus comprises a conveyer for conveying the mixture of shredded asphalt -containing road construction materials and the shredded bitumen-containing roofing materials from an outlet of the first unit placed on the one mobile to an inlet of the reactor placed on the second unit on the other mobile unit.
  • An, asphalt product- and bitumen-containing road construction materials can be proucked, at least in part, from waste materials, namely from bitumen-containing roofing materials such as shredded roofing materials resulting from faulty production or dis- mantling of a building.
  • waste materials namely from bitumen-containing roofing materials such as shredded roofing materials resulting from faulty production or dis- mantling of a building.
  • bitumen-containing roofing materials such as shredded roofing materials resulting from faulty production or dis- mantling of a building.
  • 30-60% reused materials of these types are used in asphalt products. Since the disposal of such waste materials is otherwise cost ly, the road building company may shift at least part of the costs to the supplier of the house waste materials.
  • the redundant or discarded roofing materials being retrievable form a building the asphalt product for a road surface is cheaper to produce than when using virgin bitumen. Also, the environmental impact is reduced, both in relation to consumption of materials and in relation to energy consumption.
  • bitumen-containing roofing materials are mixed with the retrieved road construc tion materials in granular form with all the original components of the bitumen- containing roofing materials.
  • original refers to components which belong to brand new roofing materials.
  • bituminous roofing membranes or the like obtained from dismantling of buildings can almost al ways be shredded without sorting out any parts and can be provided to the respective unit for mixing with the road constructing materials.
  • nails and other iron parts contained in bitumen-containing roofing materials are preferably separated by means of a magnetic separator which can be assigned to the respective shredder.
  • the supplied bituminous roofing materials can only be introduced into an asphalt product mixer in shredded form. This applies both to roofing materials coming from dismantling and to entire webs, in particular also in the rolled-up state.
  • the roofing construction materials are shredded to form a granulate with a piece size corresponding to the requirements of the road building material to be produced.
  • the granulate size is selected in such a way that processing in the reactor results in the various materials integrating into an asphalt mix. Granulate size with dimensions of between 10 mm 3 and 1000 mm 3 or smaller, if preferred.
  • Fig. 1A-1C are sketches of a fixed installation of an apparatus for producing an as- phalt product by a selected method of production, both according to the invention, and Fig. 2A-2B are sketches of a mobile apparatus for producing an asphalt product.
  • Fig. 1 shows various components of an apparatus for producing an asphalt product.
  • the components are a reactor 1, a screw conveyer 2 with and central axle and blades (not shown) arranged inside the reactor, an electrical motor 3 with a gearbox 4 for driving the screw compressor 2, an oil heating vessel 5 for heating oil.
  • the oil is in tended for applying heating a mixture of asphalt-containing road construction materi als and bitumen-containing roofing materials conveyed through the reactor 1.
  • the apparatus also comprises electrical resistors 6 arranged inside the oil heating vessel 5 and for heating the oil, an oil collecting vessel 7 for collecting oil when emptying the oil heating vessel, an oil pump 8 for pumping oil from the oil collecting vessel to the oil heating vessel, when production of asphalt product is to be started, an oil pump 9 for pumping oil from the oil heating vessel 5 to the reactor 1, when the mixture of asphalt-containing road construction materials and bitumen-containing roofing mate rials is to be heated in the reactor 1.
  • the apparatus also comprises a feeder 10 for feeding the mixture of asphalt-containing road construction materials and bitumen-containing roofing materials to the reactor 1, hot air inlets 11 for blowing hot air into the reactor 1 at an inlet 12 of the reactor 1, and an asphalt product discharge pipe 13 constituting an outlet 14 of the reactor 1.
  • the unit also comprises a hot air outlet 15 for letting out hot air from the reactor 1.
  • the hot air is passed along pipes (not shown) from a hot air outlet 15 to the hot air inlets 11. Thereby, the hot air is used to preheat the mixture of shredded asphalt-containing road construction materials and shredded bitumen-containing roofing materials and the additives just when entering the reactor 1.
  • Sidewalls 16 of the reactor 1 are provided with cavities 17 for accommodating heated oil for heating the mixture, when being conveyed through the reactor 1.
  • the screw conveyor 2 inside the reactor 1 has cavities for the heated oil.
  • Either the axle or the blades or both the axle and the blades are provided with cavities for accommodating heated oil.
  • the axle and the blades of the screw conveyor 2 inside the reactor is in constantly in direct contact with the mix ture of asphalt-containing road construction materials and bitumen-containing roofing materials, when the mixture is conveyed through the rector 1. Therefore, a very effi cient heat transfer is obtained when heating is provided via the screw compressor in addition to, or instead of, heating via the sidewalls of the reactor
  • a frame 18 is provided for supporting the various components of the apparatus.
  • Fig. 2A-2B show a plant for producing an asphalt product.
  • the plant is arranged on two semitrailers 21, 22.
  • a first unit of the plant is posi tioned.
  • a second unit of the plant is positioned on the other semitrailer 22, a second unit of the plant is positioned.
  • the first unit is a unit for mixing asphalt-containing road construction materials and bitumen-containing roofing materials.
  • the first unit comprises one container 23 for feeding already shredded asphalt-containing road construction materials being dis posed from a road surface and another container 24 for feeding already shredded bi tumen-containing roofing materials being disposed from a building.
  • the first unit also comprises an apparatus for producing an asphalt product.
  • the apparatus for producing an asphalt product is similar to the apparatus shown in Fig. 1 A-1C.
  • the one semitrail er 21 also supports and oil heating vessel 5 and an oil collecting vessel 7 similar to the oil heating vessel and the oil collecting vessel described and disclosed with reference to Fig. 1A-1C.
  • the one semitrailer 21 supports a gas burner 25 for heating the oil in the oil heating vessel. Because a mobile unit may have difficulties in gaining access to electrical power for electrical conductors (see Fig. 1B) for heating the oil, a gas burner 25 with a storage tank 26 of gas is preferred, rather than electrical conductors, for heating the oil.
  • a conveyer 27 is provided for conveying a mixture of shredded asphalt-containing road construction materials and shredded bitumen-containing roofing materials to fur ther mixing and applied heating in a reactor provided on the other semitrailer 22.
  • the other semitrailer 22 supports a reactor 5 for applying heating the mixture of as phalt-containing road construction materials and bitumen-containing roofing materi als.
  • the other semitrailer 22 also supports a tank 28 for feeding an additive.
  • an additive to add to the mixture of shredded asphalt-containing road construction materials and shredded bitumen-containing roofing materials may be one or more of the following additives: rejuvenator, flux oil and hard wax.
  • the conveyor 27 conveying mixture of asphalt-containing road construction materials and bitumen-containing roofing materials from the one semitrailer 21 to the other semitrailer 22 discharges the mixture into an inlet 29 of another conveyer 30.
  • the ad ditives are added to the mixture at the inlet 29 of the other conveyor 30.
  • the mixture, together with the one or more additives, is conveyed by the conveyer 30 to the inlet 12 of the reactor 1.
  • the mixture of shredded asphalt- containing road construction materials and shredded bitumen-containing roofing mate rials and the additives are mixed together and are heated. Heating of the mixture of shredded asphalt-containing road construction materials and shredded bitumen- containing roofing materials and the additives is performed by the heating oil being heated by the oil heating vessel 5 arranged on the one semitrailer 21. The heated oil is passed from the oil heating vessel 5 on the one semitrailer to the re- actor 1 on the other semitrailer 22.
  • the reactor 1 also has a hot air outlet 15 for letting out hot air from the reactor 1. As disclosed also in Fig.
  • the hot air is passed along pipes (not shown) from the hot air outlet 15 to hot air inlets (not shown). In this manner the hot air is used to preheat the mixture of shredded asphalt-containing road construction materials and shredded bitumen-containing roofing materials and the additives.
  • the now heated mixture of shredded asphalt-containing road construction materials and shredded bitumen-containing roofing materials and the additives is discharged through an asphalt discharge pipe (see Fig. 1A) at the outlet 14 of the reactor 1.
  • a further conveyor 31 conveys the heated mixture of shredded asphalt-containing road construction materials and shredded bitumen-containing roofing materials and the additives to a loading container 32 on a lorry 33.
  • the heated mixture of shredded asphalt-containing road construction materials and shredded bitumen- containing roofing materials and the additives is ready to be used for constructing a new road surface.
  • the new road surface will be made of only reused bitumen- containing and asphalt-containing materials, apart from the additives which normally will be virgin additives.
  • the apparatus for producing an asphalt product as shown in Fig. 2A-2B is similar to the apparatus shown in Fig. 1 A-1C. Accordingly, reference is made to Fig. 1A-1C for disclosing at least some of the various components of the apparatus for producing the asphalt product, and the various components of the apparatus disclosed in Fig. 1 A-1C is therefore incorporated by reference into the disclosure of Fig. 2A-2B.
  • a gas burner is provided in the apparatus shown in Fig. 2A-2B.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Road Paving Structures (AREA)
  • Road Paving Machines (AREA)

Abstract

L'invention concerne un procédé de production d'un produit d'asphalte. Le procédé comprend la fourniture de matériaux de construction de route contenant de l'asphalte déchiquetés disposés à partir d'une surface de route, les matériaux de construction de route étant déchiquetés en une taille maximale de 50 mm3. En outre, des matériaux de toiture contenant du bitume déchiquetés sont disposés à partir d'un bâtiment, les matériaux de toiture étant déchiquetés en une taille maximale de 50 mm3. Les matériaux sont mélangés à température ambiante sans appliquer de chauffage. Ensuite, les matériaux sont chauffés, dans un réacteur, à une température comprise entre 120 °C et 190 °C par application de chaleur au mélange le long de conducteurs chauffants à l'intérieur du réacteur. L'invention concerne également un appareil de production dudit produit d'asphalte et un produit d'asphalte ainsi obtenu.
PCT/DK2019/050006 2018-01-08 2019-01-08 Procédé de production d'un produit d'asphalte, produit d'asphalte ainsi obtenu, appareil de production d'un produit d'asphalte Ceased WO2019134729A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201870010 2018-01-08
DKPA201870010 2018-01-08

Publications (1)

Publication Number Publication Date
WO2019134729A1 true WO2019134729A1 (fr) 2019-07-11

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PCT/DK2019/050006 Ceased WO2019134729A1 (fr) 2018-01-08 2019-01-08 Procédé de production d'un produit d'asphalte, produit d'asphalte ainsi obtenu, appareil de production d'un produit d'asphalte

Country Status (1)

Country Link
WO (1) WO2019134729A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10683620B1 (en) 2019-09-23 2020-06-16 Building Materials Investment Corporation Methods of forming an asphalt shingle waste powder from asphalt shingle waste
CN111450961A (zh) * 2020-04-23 2020-07-28 张书香 一种垃圾破碎发电一体化系统
US11401449B2 (en) 2019-09-23 2022-08-02 Bmic Llc Methods of forming an adhesive composition from asphalt shingle waste powder
US11512471B1 (en) 2022-02-18 2022-11-29 Bmic Llc Asphalt shingle waste coatings in roofing materials
DE102022100761A1 (de) 2022-01-13 2023-07-13 Soprema Gmbh Verfahren und Anlage zur Herstellung eines Voranstrichmaterials
US11802219B2 (en) 2022-02-11 2023-10-31 Bmic Llc Roofing materials with asphalt shingle waste
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US11795691B1 (en) 2022-02-18 2023-10-24 Bmic Llc Asphalt shingle waste coatings in roofing materials
US11713578B1 (en) 2022-02-18 2023-08-01 Bmic Llc Roofing materials with asphalt coatings and asphalt shingle waste coatings and related methods
US11512471B1 (en) 2022-02-18 2022-11-29 Bmic Llc Asphalt shingle waste coatings in roofing materials
US12305396B1 (en) 2022-10-27 2025-05-20 Specialty Granules Investments Llc Reclaimed roofing granules and related methods
US12214358B1 (en) 2022-11-07 2025-02-04 Bmic Llc Systems and methods for drying asphalt shingle waste
US12180414B2 (en) 2022-12-12 2024-12-31 Bmic Llc Downstream uses for briquettes and other forms of powder from asphalt shingle waste
USD1088283S1 (en) 2022-12-12 2025-08-12 Bmic Llc Recycled-asphalt-shingle-based briquette
IT202300000798A1 (it) * 2023-01-20 2024-07-20 Tytech S R L Metodo di riciclo di membrane bituminose polimeriche
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