DK3168366T3 - Installations for the production of asphalt - Google Patents

Installations for the production of asphalt Download PDF

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Publication number
DK3168366T3
DK3168366T3 DK16189029.8T DK16189029T DK3168366T3 DK 3168366 T3 DK3168366 T3 DK 3168366T3 DK 16189029 T DK16189029 T DK 16189029T DK 3168366 T3 DK3168366 T3 DK 3168366T3
Authority
DK
Denmark
Prior art keywords
unit
dryer
continuous mixing
gas generator
installation
Prior art date
Application number
DK16189029.8T
Other languages
Danish (da)
Inventor
Frank Wagner
Oliveira Jorge Firmino
Original Assignee
Benninghoven Gmbh & Co Kg Muelheim
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 Benninghoven Gmbh & Co Kg Muelheim filed Critical Benninghoven Gmbh & Co Kg Muelheim
Application granted granted Critical
Publication of DK3168366T3 publication Critical patent/DK3168366T3/en

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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
    • E01C19/05—Crushing, pulverising or disintegrating apparatus; Aggregate screening, cleaning, drying or heating apparatus; Dust-collecting arrangements specially adapted therefor
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/005—Treatment of dryer exhaust gases
    • F26B25/007—Dust filtering; Exhaust dust filters
    • 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
    • E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/50—Methods or devices for preventing dust by spraying or sucking

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Paving Machines (AREA)

Description

The invention relates to an installation for the production of asphalt according to the preamble of claim 1.
In the production of asphalt, rock is dried by heating and then mixed.
Additives can be added. Installations for the production of asphalt are known from US 6,278,493 B1, US 5,558,432, US 2014/0373385 A1, CA 2 673 476 A1 and DE 195 30 164 A1.
The invention is based on the object of improving an installation for the production of asphalt.
The object is achieved by the features of claim 1. The essence of the invention is that an indirectly heated drying drum is connected to a continuous mixing unit. In a continuous mixing unit, in particular all additives are continuously weighed and in particular fed continuously to the drying drum. The installation is a continuous mixing installation. In the case of powdery and/or granular additives, in particular minerals and used granular asphalt material, said continuous weighing and addition is carried out by means of belt weighers. Liquid additives are measured by counters and metered by influencing a pump speed. Due to the fact that the drying drum is indirectly heated, no open flame, for example that of a burner, is provided in the drying drum. Due to the indirect heating, it is possible to add additives directly into the drying drum, the addition of which would not be possible with direct heating.
An additive that can be added directly into the drying drum because of the indirect heating is, for example, bitumen-containing granular asphalt material. Bitumen is a flammable substance which can ignite when added to the drying drum in an uncontrolled manner, in particular at an uncontrolled addition rate. This will make the bitumen unusable. There is a risk that the installation, in particular a filter installation, might be damaged and/or destroyed. In particular, there is the risk that the filter installation burns off. Bitumen-containing granular asphalt material can be added to a directly heated drying drum at a maximum addition rate of 35%. In the indirectly heated drying drum, which is operated in particular in a countercurrent process, the addition rate is essentially unlimited and can be up to 100%. In particular, the addition rate of bitumen-containing granular asphalt material is at least 80%, in particular at least 85%, in particular at least 90% and in particular 95%. The indirectly heated drying drum also allows the addition of white material. In the continuous mixing unit arranged downstream of the drying drum, the additives, in particular bitumen and/or filler material, can be added in a very precisely metered manner. The mixer is designed in particular as a doubleshaft forced mixer, which ensures homogeneous mixing of the additives.
An installation provided with a suction hood connected to the drying drum for extracting particle-containing gas from the drying drum enables particle separation of particle-containing gas from the drying drum.
In an installation according to claim 2, the feeding of material to be heated in the drying drum is simplified. In particular, the feeding is possible in an automated manner.
In an installation according to claim 3, the addition may be volume-controlled. In particular, the installation comprises a plurality of metering units, each metering unit being designed for the metered addition of in each case one material. In particular, a metering unit comprises a metering container in which the material is stored. In particular, the metering unit further comprises a metering element for metered delivery of the material from the metering container. In particular, the metering unit is connected to the supply unit so that metered material dispensed from the metering unit can pass directly into the drying drum via the supply unit.
An installation according to claim 4 enables effective and inexpensive particle separation.
An installation according to claim 5 ensures efficient operation. Separated particles are used as additives to be fed to the continuous mixing unit in particular directly.
An installation according to claim 6 enables improved separation of fine particles, wherein in particular separated fine particles can be fed to the continuous mixing unit in the form of an additive. Nation-specific safety regulations may require the separated fine particles to be completely processed in the production of asphalt. The installation simplifies the complete processing of the separated fine particles. If complete processing is required, weighing may be omitted. Otherwise, weighing can be done using weighing screws. In this case, a buffer container is required for buffering the separated particulates. The buffer container is arranged in particular between a fine particle conveying unit and the mixing unit. It is also conceivable for a fine particle collecting container arranged, in particular integrated, in the filter installation to be used as a buffer container.
In the installation, a coarse separator, especially in the filter installation, can be omitted because particles having a particle size of at most 100 pm, in particular at most 63 pm and in particular at most 20 pm, are already separated from the exhaust gas flow in a suction hood. The structure of the filter unit is simplified.
An installation according to claim 7 ensures that substantially only purified exhaust gas is released to the environment. The emissions are reduced.
An installation according to claim 8 has a simple design. Exhaust air from the suction hood is delivered directly to the filter installation. The installation itself and in particular the suction hood do not require a separate exhaust fan. An extraction of exhaust air to the environment is ensured by means of an exhauster of the filter installation.
An installation according to claim 9 ensures a targeted and controlled admixture of additives.
An installation according to claim 10 allows temporary storage of the material mixed in the continuous mixing unit. The buffer unit is designed in particular as a silo. A continuously conveying mix conveying unit, configured particularly as a drag conveyor, is provided to convey the mixed material from the continuous mixing unit to the buffer unit.
An installation according to claim 11 ensures direct loading of the mixed material from the buffer unit. To avoid segregation of the mixed material in the buffer unit, the buffer unit is opened intermittently to deliver the material to the loading unit. A loading unit, configured as a loading silo, for example, can be provided to deliver the material to a transportation means to be loaded therein. Transportation means are for example transport vehicles such as lorries, trains and/or ships with corresponding loading containers. It is also conceivable to load the material directly into a loading container and/or sacks.
In an installation according to claim 12, the indirect heating is possible in an effective manner. It is particularly advantageous that the hot gas temperature provided by a hot-gas generator is provided by a burner connected to the hot-gas generator and/or a recirculating air volume or recirculating air flow, in other words a recirculating air volume per unit time, recirculated by means of the hot-gas generator is specifically adjustable. In particular, the hot gas temperature can be regulated via the burner and/or the recirculating air volume. In particular, the burner can be permanently connected to the hot-gas generator. In particular, separation of the burner from the hot-gas generator is required only after completion of the asphalt production.
In an installation according to claim 134, the flow conditions for the hot air flow are improved.
An installation according to claim 14 enables combustion of recirculating air in a closed recirculating air circuit assembly. As a result, the proportion of pollutants, in particular the proportion of unburned hydrocarbons (Cges), in particular carbon monoxide (CO), in the exhaust air are additionally reduced. The installation ensures an environmentally friendly production of asphalt. The processing of asphalt granulate is ecologically and economically advantageous.
Further advantageous embodiments, additional features and details of the invention will become apparent from the following description of an exemplary embodiment with reference to the drawing in which
Fig. 1 shows a schematic illustration of an installation for the production of asphalt according to the invention.
An installation 1 shown in Fig. 1 is used for the production of asphalt. The installation 1 comprises a metering device 2 with a plurality of metering units 3, with six metering units 3 being provided in the embodiment shown. Each metering unit 3 comprises a metering container in which the material is stored, and a metering element not shown in more detail to deliver the material from the metering container in a metered manner.
Below the metering units 3 of the metering device 2, a supply unit 4 is arranged. The supply unit 4 is designed as a collating conveyor. The supply unit 4 allows material to be supplied in a supply direction 5 from the metering units 3 into a drying drum 6 connected to the supply unit 4.
The drying drum 6 is heated indirectly by means of a hot-gas generator 7. The hot-gas generator 7 is connected to a burner 8 shown purely schematically. The hot-gas generator 7 is connected to the drying drum 6 in the region of a drum outlet 9. The supply of material from the supply unit 4 to the drying drum 6 takes place in the region of a drum inlet 10, which is arranged on the drying drum 6 opposite the drum outlet 9. The indirect heating of the drying drum 6 takes place in a countercurrent process. Hot air supplied by the hot-gas generator 7 flows in a direction counter to a material conveying direction 11, which is directed from the drum inlet 10 to the drum outlet 9. It is also conceivable for said indirect heating to take place in a concurrent or cross-current process.
Having flown through the drying drum 6 counter to the material conveying direction 11, the gas flows out of the drying drum 6 into a suction hood 12 in the area of the drum inlet 10. The suction hood 12 serves for extracting particle-containing gas from the drying drum 6. The suction hood 12 has an integrated particle separation unit which is passively designed as a flow influencing unit and in particular has a flow directing element 13 in the form of a pivotable flap. The structure and operation of the suction hood 12 and the hot-gas generator 7 are described in German patent application DE 10 2015 217 845.5.
The suction hood 12 is connected to the hot-gas generator 7 via a recirculating air line 14. In the recirculating air line 14, a recirculating blower 15 is integrated. The suction hood 12, the recirculating air line 14, the hot-gas generator 7 and the drying drum 6 are arranged as a closed recirculating air circuit assembly along a recirculating air circuit flow. The recirculating air circuit flow is oriented counterclockwise according to Fig. 1 and, in particular in the area of the drying drum 6, is directed counter to the material conveying direction 11.
Particles separated in the suction hood 12 are collected in a lower region in a collecting container 16. In the area of the collecting container 16, a particle conveying unit 17 is connected to the suction hood 12. The particle conveying unit 17 connects the suction hood 12 to a continuous mixing unit 18. The continuous mixing unit 18 is directly connected to the drying drum 6 in the region of the drum outlet 9.
The suction hood 12 is connected, via an exhaust air line 19, to a filter installation 20. The filter installation 20 is designed as a dedusting unit. The filter unit 20 is used for separating fine particles, a so-called fine filler, which in particular has particles which have a particle size of less than 20 pm. The fine particles separated in the filter unit 20 are collected in a fine particle collecting container 21. The filter installation 20, in particular the fine particle collecting container 21, is connected directly to the continuous mixing unit 18 via a fine particle conveying unit 22.
The filter installation 20 has an exhauster connected thereto 23 with a chimney 24 connected thereto in order to discharge gas purified in the filter installation 20 to the environment. The purified gas is blown from the filter installation 20 through the exhauster 23. As the filter installation 20 is connected to the suction hood 12, a separate exhaust fan can be omitted. The component costs for the installation 1 are reduced.
The installation 1 has an additive supply unit 25, which is directly connected to the continuous mixing unit 18. In the additive supply unit 25, a plurality of additives are stored separately from one another and can be fed to the continuous mixing unit 18 in a metered manner, in particular depending on an asphalt formulation to be produced. Currently known additives are, for example, bitumen, fillers, in particular coarse and fine fillers, fibrous materials, color pigments and/or adhesion promoters. It is conceivable that other additives will be used in the future. Basically, the additives are in powdery and/or granular form, fibrous or liquid. In this form they are fed into the mixing unit 18.
The continuous mixing unit 18 is connected to a buffer unit 27 by means of a continuously conveying mix conveying unit 26. The mix conveying unit 26 is designed as a drag conveyor. The buffer unit 27 is designed as a silo for temporarily storing the material that has been mixed in the continuous mixing unit 18. The buffer unit opens intermittently to avoid segregation of the mixed material. The buffer unit 27 is directly connected to a loading unit 28 in such a way that the loading unit 28 is arranged below the buffer unit 27. The material from the buffer unit 27 may automatically enter the loading unit 28 upon opening of the buffer unit 27 due to gravity. Below the loading unit 28, which is designed in particular as loading silo, a transportation means 29, configured as a loading vehicle, can be loaded.
The installation 1 further comprises a central control unit 30. The control unit 30 is in particular in signal communication with the metering units 3 of the metering device 2, the supply unit 4, the drying drum 6, the continuous mixing unit 18, the mix conveying unit 26, the buffer unit 27, the loading unit 28, the particle conveying unit 17, the fine particle conveying unit 22 and the additive supply unit 25. For illustrative reasons, the signal connections in Fig. 1 are shown exclusively for the fine particle conveying unit 22 and the additive supply unit 25. The signal connection can be wired or wireless. In particular, the control unit 30 may also be arranged spatially remote from the installation 1. It is conceivable to implement the installation 1 in such a way as to be computer-controlled, and in particular via an internet connection.
The control unit 30 is also connected to the closed recirculating air circuit assembly in order to monitor the indirect heating of the drying drum 6 and the extraction of the particle-containing gases from the drying drum 6 into the suction hood 12.
The installation 1 may be designed as a mobile installation. The installation may have several wheeled, in other words movable, transport units. The individual components of the installation 1 can then be transported separately and connected together on site at a construction site. Such An installation can be used flexibly.
The operation of the installation 1 will be explained in more detail below. Depending on an asphalt formulation to be prepared, the required granular asphalt materials, which may have different grain sizes, for example, are discharged from the metering units 3 to the supply unit 4 and conveyed into the drying drum 6. In the drying drum 6, the rock material is dried in a countercurrent flow. In the region of the drum outlet 9, the dried material is fed to the continuous mixing unit 18, wherein coarse fillers may be fed via the particle conveying unit 17, fine fillers may be fed via the fine particle conveying unit 23, and further additives, in particular bitumen, may be fed via the additive supply unit 25 directly into the continuous mixing unit 18. The material mixed in the continuous mixing unit 18 is conveyed through the mix conveying unit 26 into the buffer unit 27 and then into the loading unit 28 and into a transportation means 29.
The hot-gas generator 7 generates hot air by supplying recirculating air from the recirculating air line 14, which is then heated directly by means of the burner 8. The hot airflows counter to the material conveying direction 11 through the drying drum 6 into the suction hood 12, in which by means of the integrated particle separation unit, in particular large particles are separated from the gas flow. The exhaust gas pre-purified in this manner is returned to the hot-gas generator 7 via the recirculating air line 14 by means of the recirculating blower 15 in the closed recirculating air circuit assembly. Pre-purified exhaust air flows, via the exhaust air line 19, out of the suction hood 12 and into the filter installation 20. In the filter installation 20, a further subsequent separation of fine particles, which are collected in the fine particle collecting container 21, is carried out. The exhaust gas purified in this manner is discharged to the environment via the exhauster 23 and the chimney 24.
In the installation 1, a two-stage particle separation is provided. The purified exhaust air is burned in the hot-gas generator. As a result, the exhaust emissions are reduced.

Claims (14)

1. Anlæg til fremstilling af asfalt, og som omfatter: a. en indirekte opvarmet tørretromle (6), b. en kontinuerlig blandeenhed (18), som er forbundet med tørretromlen med henblik på kontinuerlig blanding af i tørretromlen (6) opvarmet materiale, c. en med tørretromlen (6) forbundet udsugningshætte (12) til udsugning af partikelholdig gas fra tørretromlen (6), kendetegnet ved, at d. en varmgas-generator (7) er tilsluttet i området af et tromleudløb (9) i tørretromlen (6) og dette med henblik på opvarmning af tørretromlen (6), og e. at en udsugningshætte (12) via en cirkulationsluftledning (14) er forbundet med varmgas-generatoren (7).An asphalt preparation plant comprising: a. An indirectly heated dryer (6); b. A continuous mixing unit (18) connected to the dryer for continuous mixing of heated material in the dryer (6); c. A suction cap (12) connected to the dryer (6) for the extraction of particulate gas from the dryer (6), characterized in that d. a hot gas generator (7) is connected in the region of a drum outlet (9) in the dryer ( 6) and this for heating the dryer (6), and e. That a suction cap (12) is connected to the hot gas generator (7) via a circulation air line (14). 2. Anlæg ifølge krav 1, kendetegnet ved en med tørretromlen (6) forbundet tilføringsenhed (4) til tilføring af det materiale, som skal opvarmes i tørretromlen (6).Installation according to claim 1, characterized by a feed unit (4) connected to the dryer (6) for supplying the material to be heated in the dryer (6). 3. Anlæg ifølge et af de foregående krav, kendetegnet ved mindst en doseringsenhed (3) til doseret tilføring af materiale til tørretromlen (6).System according to one of the preceding claims, characterized by at least one dosing unit (3) for dosing supply of material to the dryer (6). 4. Anlæg ifølge et af de foregående krav, kendetegnet ved, at udsugningshætten (12) har en integreret partikeludskillelsesenhed, som er udformet som en passiv strømningspåvirkningsenhed, og at strømningspåvirkningsenheden især har et strømnings-ledeorgan (13) til påvirkning af en strømningsretning for nogle partikelholdige gasser.System according to one of the preceding claims, characterized in that the suction cap (12) has an integrated particle separation unit which is designed as a passive flow actuating unit and that the flow actuating unit in particular has a flow conductor (13) for influencing a flow direction for some particulate gases. 5. Anlæg ifølge et af de foregående krav, kendetegnet ved, at udsugningshætten (12) med henblik på afgivelse af udskilte partikler er forbundet med, især umiddelbart forbundet med den kontinuerlige blandeenhed (18) og dette via en partikeltransportenhed (17).System according to one of the preceding claims, characterized in that the suction cap (12) for dispensing separated particles is connected, in particular, directly to the continuous mixing unit (18) and this via a particle transport unit (17). 6. Anlæg ifølge et af de foregående krav, kendetegnet ved et filteranlæg (20) til udskillelse af fine partikler, og at filteranlægget (20) til afgivelse af fine partikler er forbundet med den kontinuerlige blandeenhed (18) ved hjælp af en transportenhed (22) til transport af fine partikler.System according to one of the preceding claims, characterized by a filter system (20) for separating fine particles and the filter system (20) for delivering fine particles is connected to the continuous mixing unit (18) by means of a transport unit (22). ) for the transport of fine particles. 7. Anlæg ifølge krav 6, kendetegnet ved et til filteranlægget (20) tilsluttet udstødsorgan (23) til afgivelse af filtrerede gasser til omgivelserne.System according to claim 6, characterized by an exhaust means (23) connected to the filter system (20) for delivering filtered gases to the environment. 8. Anlæg ifølge krav 6 eller 7, kendetegnet ved, at en udsugningsledning (19) - via filteranlægget (20) - er tilsluttet til udsugningshætten (12).System according to claim 6 or 7, characterized in that a suction line (19) - via the filter system (20) - is connected to the suction cap (12). 9. Anlæg ifølge et af de foregående krav, kendetegnet ved, at det har en med den kontinuerlige blandeenhed (18) forbundet tilslagsmateriale-tilføringsenhed (25) til tilføring af et tilslagsmateriale.Installation according to one of the preceding claims, characterized in that it has an aggregate material supply unit (25) connected to the continuous mixing unit (18) for supplying an aggregate material. 10. Anlæg ifølge et af de foregående krav, kendetegnet ved en bufferenhed (27) til mellemlagring af i den kontinuerlige blandeenhed (18) blandet materiale, og at bufferenheden (27) er forbundet med den kontinuerlige blandeenhed (18) især ved hjælp af en kontinuerligt befordrende blandingsgods-transportenhed (26) .System according to one of the preceding claims, characterized by a buffer unit (27) for intermediate storage of material mixed in the continuous mixing unit (18) and the buffer unit (27) being connected to the continuous mixing unit (18), in particular by means of a continuously conveying mixed goods transport unit (26). 11. Anlæg ifølge krav 10, kendetegnet ved, at det har en med bufferenheden (27) forbundet lasteenhed (28) til påfyldning af det blandede materiale i et transportorgan (29).Plant according to claim 10, characterized in that it has a loading unit (28) connected to the buffer unit (27) for loading the mixed material into a transport means (29). 12. Anlæg ifølge et af de foregående krav, kendetegnet ved, at varmgas-gene-ratoren (7) tjener til indirekte opvarmning af tørretromlen (6), og at varmgas-ge-neratoren (7), især ved et tromleudløb (9), er forbundet med tørretromlen (6).Installation according to one of the preceding claims, characterized in that the hot gas generator (7) serves to indirectly heat the dryer (6) and that the hot gas generator (7), in particular at a drum outlet (9) , is connected to the dryer (6). 13. Anlæg ifølge krav 12, kendetegnet ved, at varmgas-generatoren (7) via cirkulationsluftledningen (14) - hvortil især en cirkulationsluftblæser (15) er tilsluttet - er forbundet med udsugningshætten (12).System according to claim 12, characterized in that the hot gas generator (7) is connected via the circulation air line (14) - to which in particular a circulating air blower (15) - is connected to the exhaust hood (12). 14. Anlæg ifølge krav 12 eller 13, kendetegnet ved en lukket cirkulationsluftindretning, som langs en cirkulationsluft-kredsløbsstrømning er forsynet med udsugningshætten (12), cirkulationsluftledningen (14), varmgas-generatoren (7) og tørretromlen (6).System according to claim 12 or 13, characterized by a closed circulation air device, which is provided along a circulation air circulation flow with the exhaust hood (12), the circulation air line (14), the hot gas generator (7) and the dryer (6).
DK16189029.8T 2015-11-12 2016-09-15 Installations for the production of asphalt DK3168366T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015222285.3A DE102015222285A1 (en) 2015-11-12 2015-11-12 Plant for the production of asphalt

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DK3168366T3 true DK3168366T3 (en) 2018-08-20

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EP (1) EP3168366B1 (en)
DE (1) DE102015222285A1 (en)
DK (1) DK3168366T3 (en)
ES (1) ES2675945T3 (en)
PL (1) PL3168366T3 (en)

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DE102022207220A1 (en) 2022-07-14 2024-01-25 Benninghoven Zweigniederlassung Der Wirtgen Mineral Technologies Gmbh Device and method for drying material and asphalt mixing plant with such a device

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