WO2000053324A1 - Anlage und verfahren für die verwertung von shredderabfällen od. dgl. verbundstoffen sowie verwendung einer rotorprallmühle - Google Patents
Anlage und verfahren für die verwertung von shredderabfällen od. dgl. verbundstoffen sowie verwendung einer rotorprallmühle Download PDFInfo
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- WO2000053324A1 WO2000053324A1 PCT/EP2000/002085 EP0002085W WO0053324A1 WO 2000053324 A1 WO2000053324 A1 WO 2000053324A1 EP 0002085 W EP0002085 W EP 0002085W WO 0053324 A1 WO0053324 A1 WO 0053324A1
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- Prior art keywords
- impact mill
- fraction
- separator
- discharge
- plant according
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
- B02C13/1807—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate
- B02C13/1814—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate by means of beater or impeller elements fixed on top of a disc type rotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
- B03B9/061—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- 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
- B29B17/02—Separating plastics from other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
- B03B2009/068—Specific treatment of shredder light fraction
-
- 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
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0268—Separation of metals
-
- 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
- B29B2017/0492—Projecting the material on stationary or moving impact surfaces or plates
-
- 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
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- 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
- B29K2313/00—Use of textile products or fabrics as reinforcement
-
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
-
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/02—Aluminium
-
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/08—Transition metals
-
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/08—Transition metals
- B29K2705/10—Copper
-
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/08—Transition metals
- B29K2705/12—Iron
-
- 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
- B29K2709/00—Use of inorganic materials not provided for in groups B29K2703/00 - B29K2707/00, for preformed parts, e.g. for inserts
- B29K2709/08—Glass
-
- 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
- B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
- B29K2711/14—Wood, e.g. woodboard or fibreboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3055—Cars
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- 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 plant and a method for recycling shredder waste or the like. Composites, in particular for treating residues from old cars.
- the invention also covers the use of a rotor impact mill.
- composition of the motor vehicles can be seen in the table below as an example of the material content of the 5 empty weight of a passenger car:
- This composition changes over time in such a way that the steel content declines at the expense of non-ferrous metals and plastics.
- Steel scrap - about 1.3 million t ⁇ has a high purity with about 95% Fe content and is a sought-after product for the iron and steel industry.
- Up to 240 kg of shredder steel scrap per ton of crude steel can currently be used; however, this proportion can still be increased.
- the non-ferrous metals are usually recovered from the shredder heavy fraction in eddy current separators, air separation tables or floating sink systems.
- the heavy metal fraction containing non-ferrous metals of about 1 15,000 t / a contains on average
- the materials removed from the car bodies by means of an air classifier such as plastics, rubber, wood, textiles,
- SHL light shredder waste
- the disposal methods are as inhomogeneous as the material composition of the shredder waste. Not least because of the high residual metal content between 12 to 17% and the predominantly organic share, but also because of the problematic substances that are also added to the shredder waste, the disposal and recycling routes for the shredder waste are extremely difficult. In most cases, the problematic substances are:
- PCB polychlorinated biphenyls
- PAH polyaromatic hydrocarbons
- the light shredder fraction is particularly well suited for thermal recycling.
- the other combustion-relevant parameters of the SHL - such as ash content of 55%, metal content up to 17% and the heavy metal content ⁇ are also of a similar size to household waste, so that additional combustion in domestic waste incineration plants is an option.
- the incineration of untreated shredder waste is possible.
- the metals that are still present have a negative impact on flue gas cleaning, the high ash content due to the predominantly mineral fraction increases the cost of the combustion process and increases the disposal costs for the increasing amount of slag.
- wet processes In the state of processing technology, so-called wet processes are known which have so far only been used to separate the shredder heavy fraction into non-ferrous metals and a rubber-rich fraction for recycling in the cement industry.
- the preparation leads to a predominantly inorganic heavy fraction and to several organic fractions with different characteristics (e.g. light and heavy; high or low chlorine).
- the magnetic separation (Fe fraction), the sieving and the floating-sink separation were carried out as process steps with the aim of obtaining the following separable fractions for material or energy use:
- organic light fraction e.g. foils, foams etc.
- the known drying processes can be divided into low and high-tech processes according to their achievable product qualities.
- the individual process steps achieve the following enrichments of the original SHL input: a higher organic fraction with a high calorific value and a higher mineral fraction with a low calorific value.
- the high-tech processes are divided i.w. into the process steps of sieving, pre-comminution, magnetic separation (ferrous metals), eddy current separation (non-ferrous metals), main comminution and subsequent sieving and sifting (high-calorific fraction, mineral-rich fraction, copper and possibly other non-ferrous metals).
- further process steps are possible, which separate the high calorific value fraction into a chlorine-enriched and a chlorine-depleted fraction, for example, or pelletize the high-calorific value fraction by adding coal or sewage sludge.
- the outlay on equipment is significantly less than with the high-tech processes. If there is no or a reduced number of shredding, sieving or classifying stages, there is a higher proportion of mineral-rich fraction and at the same time a lower proportion of calorific value-rich fraction. Only a small proportion of ferrous and non-ferrous metals are recovered.
- the comparatively simpler processing technology results in lower overall enrichments in the fractions generated.
- the coarse fraction with a high calorific value contains comparatively higher inorganic components than with the high-tech process and the mineral fraction contains higher proportions with a calorific value fraction.
- the coarse fraction with high calorific value is used in France for energy recovery. Plant configurations operated similarly by German shredder operators provide for the dumping of the coarse fractions freed from ferrous and non-ferrous metals.
- the basic process steps of the low-tech process include sieving, size reduction and magnetic separation (Fe metals), eddy current separation (non-ferrous metals) and size reduction of the high-calorific fraction.
- Metal-containing composites as material to be treated has at least one device for separating non-ferrous metals downstream of a metal separator upstream of an impact mill and also of a device following the impact mill.
- a sifter should be provided between the impact mill - in particular a horizontal rotor impact mill - and the NE separator formed by an eddy current separator; Eddy current separators and / or classifiers should be connected to the impact mill through a return line.
- At least one metal separator - in particular an iron separator - after the impact mill.
- the impact mill is followed by a classifier for recycling non-metal-containing composites, and an eddy current separator is connected to this, both classifiers and eddy current separators each being connected to the impact mill with at least one return line.
- a coarse screen is advantageously connected upstream of the classifier, which is in particular designed as an air classifier, the large output of which is a return line to the impact mill.
- At least one derivative of the eddy current separator leads to a screening machine with an upper discharge for a coarse fraction and a lower discharge for a fine fraction.
- Fe component - and its dimensions are first pre-shredded, for example, using rotor shears or a granulator.
- the size of the shredding, especially for the composite materials (VEST), must be selected so that massive Fe parts are pulled out with a downstream iron separator and cannot damage the rotor impact mill or its brittle hard impact tools.
- the shredder waste usually requires no pre-shredding, but a magnetic separator should also be installed upstream to protect the rotor impact mill used according to the invention.
- the material is fed centrically from above onto an accelerator plate of the rotor impact mill and thrown outwards at an extremely high circumferential speed of up to 70 m / s. With this force, the material hits horseshoe bats and is thrown against other bats, against itself or against a baffle. Between the baffle and the horseshoe bat there is a gap which can be adjusted by means of spacers and which allows the shredded material to fall down through an outlet shaft.
- a material-specific grain size is obtained, which can generally be between zero and about half the feed size.
- Rotor impact mill adapted according to input materials additionally the following advantages:
- the light components such as foams, fluff, wood, plastics etc. are pulled upwards by a wind sifter. They first go to a thermal power station as a fraction with a high calorific value and low ash content in thermal recycling. Depending on the input material, the share can be between 40 and 50%. Depending on the requirements, this fraction can be reworked separately either via the impact mill or otherwise.
- the heavy fraction with the metals and the mineral cargo falls down and is fed to an eddy current separator, which is therefore connected in particular to the shredder waste and electronic scrap of the rotor impact mills.
- a machine must be used here that has particular advantages with smaller (0 to 4 mm) grain sizes.
- This task can be achieved with a special fine pole separator with a fast rotating permanent magnet pole system. Due to a high frequency of the magnetic field change, strong eddy currents are generated in the conductive non-ferrous metals. These, in turn, generate magnetic fields that act in opposition to the external magnetic field. For this reason, the non-ferrous parts are repelled and flung out of the rest of the material flow.
- the separated non-ferrous fraction is between 3 to 5%.
- the rest of about 50 to 35% is predominantly mineral material and is sent to a landfill or used as recovery material for material recycling.
- the landfill load can be further processed in a second phase.
- the material In order to meet the requirements of the TASI mentioned above and, if necessary, to achieve a landfill load with ⁇ 5% organic matter, the material must also be driven over an air separation table; the materials separated there again are then also thermally recycled.
- SHL light shredder waste
- SHS shredder heavy waste
- Fig. 1 a pedigree to a method for
- SHS shredder heavy waste
- SHL light shredder waste
- VEST composites
- FIG. 2 an enlarged detail from FIG. 1 with additional units
- Fig. 6 a sectional oblique view of the rotor impact mill.
- a metal separator 12 - in particular an iron separator 12 - can be seen above a rotor impact mill 10 and above it a pre-comminution zone 14, which preferably contains rotor shears or a granulator.
- Shredder heavy waste is fed directly to the rotor impact mill 10 via a feed line A, whereas light shredder waste (SHL) reaches the iron separator 12 via a feed line B or via line B1 to the pre-comminution zone (VZ) 14.
- Composites are fed via a feed line E fed to the rotor impact mill 10 or via a feed line E1 to the pre-comminution zone 14.
- the discharge from the pre-comminution zone 14 to the iron separator 12 is designated by 16, which in turn has a discharge 18 to the rotor impact mill 10 is connected and offers a lateral derivative 19 for iron parts.
- the iron separator 12 protects the rotor impact mill 10 from these iron components.
- WS air classifier
- the parts or particles (> 50 mm) which are too large for the air classifier 28 can be separated by means of a coarse sieve 21 and fed back into the rotor impact mill 10 via a return line 33; in this case opens out that the discharge 26 of the second Eisenabscheiders 12 a on the coarse screen 21, the discharge 27 at the air separator 28.
- 35 is designated a lateral discharge of the air classifier 28, which leads to an incinerator 36th
- the eddy current separator 34 is in turn connected to the rotor impact mill 10 by a return line 38 and on the other hand by a discharge line 40 to e.g. a container which can then be transported to a landfill 42.
- a lateral drain 44 is provided for non-ferrous metals.
- a branch line 46 of that discharge line 40 leads to a screening machine (SM) 48 with a separating screen indicated at 49.
- SM screening machine
- the high calorific heavy fraction remaining above the separating sieve 49 reaches the incinerator 36 via a discharge 50.
- the undersize, a mineral fine fraction of, for example, 1 to 3 mm grain size, is fed to the landfill 42 via a discharge line 51, a branch line 52 leads to the discharge line 51 to an air separation hearth (LTH) or air separation table (LTT) 54, which in turn is connected to the landfill 42 with a discharge line 56 for a mineral heavy fraction.
- LTH air separation hearth
- LTT air separation table
- the second iron separator 12 a Apart from the rotor impact mill 10, the second iron separator 12 a , the wind sifter 28, the eddy current separator 34, the screening machine 48 and the air separation cooker / table 54 are each connected to the aforementioned dedusting system 24 by lines 22, the latter by a discharge line 23 to that landfill 42.
- a light fraction of the air separation table 54 with a high calorific value is brought via its other discharge 58 to the incineration plant 36, where - as mentioned - the top grain of the screening machine 48 also reaches via its discharge 50.
- discharges 59 and 60 of the air separation table 54 remove light materials such as light metal components, minerals and heavy materials such as non-ferrous or heavy metals.
- a mixed fraction passes from the air separation table 54 to the rotor impact mill 10 via a further line 62, another line 64 can optionally transport non-ferrous metals from the eddy current separator 34 to the air separation table 54.
- the percentages recognizable in the family tree relate to the input of the shredder waste and belong to the disclosure content of this description.
- FIG. 2 shows a section of the family tree described above with a screening machine 66 integrated in the lateral derivative 35 of the air classifier 28, which is optionally used if the fine fraction is too high.
- the coarse particles from the screening machine 66 go to the incinerator 36, the fine particles via a line 67 to the landfill 42.
- the rotor impact mill 10 is also at the center of the process family tree of FIG. 3; there circuit boards or electrical switches are fed via a feed line Q to a pre-comminution zone 14 or directly to the rotor impact mill 10.
- the pre-shredding zone 14 is followed by a metal separator 12, the discharge 18 leads to the rotor impact mill 10.
- the metal separator 12 is also connected to a metal silo 68 with a lateral drain 17.
- the rotor impact mill 10 here is followed at a discharge 20 a by a wind sifter 28 with a discharge 32 to a cyclone 69.
- the side discharge line 35 of the sifter 28 here leads to a rough separation 70. This is shown in FIG.
- a branch of that mill discharge 20 a opens into the coarse separation 70, which branch can, on the other hand, be guided with a branch line 20b to a lateral Fe separator 12b.
- the cyclone 69 has two outlets 22 and 74, the former of which is connected to a dedusting device 24 with exhaust air discharge 76 and dust discharge 78 to a dust silo 79.
- the other cyclone discharge line 74 is connected to a fine separation 80, in which the discharge 71 of the coarse separation 70 and a branch line 35 a of the lateral derivative 35 of the air classifier 28 open.
- the discharge line 82 of the fine separation 80 is connected to light goods silos 84, heavy goods silos 84 a and metal silos 68.
- FIGS. 1 and 2 The recycling plant described for FIGS. 1 and 2 is intended to achieve the following material flows and proportions for shredder waste and other composite materials (the proportions in FIG. 3 are in brackets):
- the ferrous metals according to lit. (a) are marketed through raw material dealers, the non-ferrous metals (b) are melted down in special smelters; mainly light metals, copper and aluminum are recycled.
- the high-calorific fuels (up to over 20 MJ / kg) are thermally utilized in a thermal power station 36. You also have the advantage of being almost without ash and therefore not incurring any additional costs for slag processing.
- the heart of the system described is the horizontal rotor impact mill 10 with the advantages of high throughput rates with minimal wear. Special material inlets and outlets have been designed for the use of shredder waste and composites, possibly with an adjustable gap width and - as already mentioned - with devices for inerting, cooling, heating during shredding. With the adapted process technology, this rotor impact mill 10 can convert shredder waste into three usable output streams in a process line without prior shredding.
- the material to be ground can also be dried during grinding - optionally also the aforementioned processes of cold embrittlement or inerting - occur.
- the mandatory process chain for the recovery of metals from the SHL fraction therefore includes the horizontal rotor impact mill 10, the Fe separation 12, 12 a and the NE separation 34.
- Other units serve the following purposes:
- Air separation table or stove 54 Air separation table or stove 54;
- VZ light shredder material
- SHL light shredder material
- the iron separator 12 only serves to additionally protect the rotor impact mill 10.
- the Fe separation after the pre-comminution 14 and before the rotor impact mill 10 is absolutely necessary.
- the Fe separator 12, 12 a can be omitted.
- the grain size obtained after the impact mill 10 depends on the following parameters:
- Peripheral speed of the rotor (about 30 to 70 m / s); Material.
- the goal of the air classifier 28 is to remove the bulky and lighter airborne components such as e.g. Extract foam, PUR foam, cellulose and lint from the material flow and the downstream units such as NE separator 34 and air separation table 54 in terms of capacity - max. about 1 to 3 t / h - not to be run over.
- the bulky and lighter airborne components such as e.g. Extract foam, PUR foam, cellulose and lint from the material flow and the downstream units such as NE separator 34 and air separation table 54 in terms of capacity - max. about 1 to 3 t / h - not to be run over.
- the middle fraction of the air classifier 30, which may not yet have been digested, may have to be returned to the rotor impact mill 10. If the coarse fraction still has too much metal buildup (mostly as a copper cable), this fraction should be recycled. would drive, and the middle fraction would then be deducted. The separating cuts between the individual fractions are very difficult to determine, since the input fluctuates greatly with regard to the material composition.
- the NE separator ie the eddy current separator 34
- magnetic fields are generated by eddy currents, which exert a repulsive force on the conductor and thus "throw" these materials out of the material flow.
- the material In order to achieve a selective effect, the material must be fed in one layer, otherwise non-conductive parts lying on a conductor would also be removed. It must also be prevented that conductors and non-conductors stick together (e.g. due to moisture, mechanical compression, entanglement).
- the capacity of the eddy current separator 34 is due to the above. Conditions on max. 3-4 t / h limited. Since with the rotor impact mill 10 up to 15 t / h with max. 5% non-ferrous fraction are to be driven, the input for the eddy current separator 34 must be reduced accordingly.
- the mineral fine fraction and the coarse fraction with a high calorific value are generally metal-free and should be separated from the WSS input by air classifier and sieve.
- the screening machine 48 which can be designed either as a single- or as a double-deck machine, is provided with screen cuts of e.g. 1 to 3 mm, 3 to 10 mm and> 10 mm.
- the sieve cut of the fine fraction must be set so that it is as free of metal as possible.
- the organic portion can be further reduced using an air separation cooker (LTH) or air separation table (LTT) 54.
- the sieve cut for the coarse fraction should be between 8 and 10 mm.
- the middle fraction is then input for the air separation table 54. This separates materials into a heavy and a light fraction by means of an air flow.
- a mixed fraction is additionally generated, which must be returned to the impact mill 10; the air separation table 54 produces either a clean light fraction or a clean heavy fraction.
- the respective complementary group is not clear.
- the non-ferrous metal mixture obtained from the non-ferrous separator 34 can be used to increase the sales proceeds through an air separation table 54 into the individual metals, e.g. Aluminum and copper can be separated.
- the shaping work of the impact mill into a spherical shape favors this.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Crushing And Pulverization Processes (AREA)
- Disintegrating Or Milling (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU32879/00A AU3287900A (en) | 1999-03-12 | 2000-03-10 | Installation and method for recovering shredder waste or similar composites and use of an impact mill |
DE10080525T DE10080525D2 (de) | 1999-03-12 | 2000-03-10 | Anlage und Verfahren für die Verwertung von Shredderabfällen od. dgl. Verbundstoffen sowie Verwendung einer Rotorprallmühle |
JP2000603806A JP2002537992A (ja) | 1999-03-12 | 2000-03-10 | シュレッダ屑または同等の複合材料を利用する装置および方法並びにロータクラッシャの利用 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19911010.7 | 1999-03-12 | ||
DE19911010A DE19911010A1 (de) | 1999-03-12 | 1999-03-12 | Anlage und Verfahren für die Verwendung von Shredderabfällen o. dgl. Verbundstoffen sowie Verwendung einer Rotorprallmühle |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000053324A1 true WO2000053324A1 (de) | 2000-09-14 |
Family
ID=7900705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/002085 WO2000053324A1 (de) | 1999-03-12 | 2000-03-10 | Anlage und verfahren für die verwertung von shredderabfällen od. dgl. verbundstoffen sowie verwendung einer rotorprallmühle |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2002537992A (de) |
AU (1) | AU3287900A (de) |
DE (2) | DE19911010A1 (de) |
WO (1) | WO2000053324A1 (de) |
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WO2002034401A1 (de) * | 2000-10-27 | 2002-05-02 | Volkswagen Aktiengesellschaft | Anlage und verfahren zur aufbereitung von shredder-rückständen |
WO2002034402A1 (de) * | 2000-10-27 | 2002-05-02 | Volkswagen Aktiengesellschaft | Anlage und verfahren zur aufbereitung von shredder-rückständen und verwendung einer erzeugten sand-fraktion |
WO2002034400A1 (de) * | 2000-10-27 | 2002-05-02 | Volkswagen Aktiengesellschaft | Anlage und verfahren zur aufbereitung von shredder-rückständen und verwendung einer erzeugten granulat-fraktion |
ES2200625A1 (es) * | 2001-03-09 | 2004-03-01 | Sopra Herber S L | Sistema de limpieza para chatarra de perfiles de aluminio |
EP1616626A1 (de) * | 2004-07-14 | 2006-01-18 | CTU - Conzepte Technik Umwelt AG | Verfahren zum mechanischen Zerkleinern und Nutzen eines heterogenen Einsatzguts |
EP1656995A1 (de) * | 2004-11-12 | 2006-05-17 | X. Wiederkehr AG | Verfahren zur Verwertung von Schreddermüll |
EP1721676A2 (de) | 2000-10-27 | 2006-11-15 | Volkswagen AG | Verfahren zur Aufbereitung von Shredder-Rückständen und Verwendung einer erzeugten Flusen-Fraktion |
EP1721674A1 (de) * | 2005-05-10 | 2006-11-15 | Ralf Schäfer | Vorrichtung zum Verarbeiten von Bauteilen aus Stoffgemischen |
WO2007065283A1 (de) * | 2005-12-09 | 2007-06-14 | Swissrtec Gmbh | Stator einer prallmühle |
US7721400B2 (en) | 2002-06-14 | 2010-05-25 | Ellis Enz Splits, Llc | Spiked plate |
US7753302B2 (en) | 2005-12-08 | 2010-07-13 | Swissrtec Gmbh | Rotor for an impact crusher |
ITUA20163741A1 (it) * | 2016-05-24 | 2017-11-24 | Sgm Magnetics S P A | Impianto e procedimento per il recupero di metalli dalla frazione fine di car fluff |
BE1027782B1 (nl) * | 2019-11-22 | 2021-06-22 | Galloo Nv | Werkwijze en inrichting voor het delamineren van metalen en kunststoffen in metaalconcentraat |
CN113385284A (zh) * | 2021-06-11 | 2021-09-14 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种提高一段球磨机台时处理量的系统 |
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DE10334646B4 (de) * | 2003-07-28 | 2006-04-27 | SRW Sächsische Recyclingwerke GmbH | Verfahren und Anlage zur Aufbereitung der Shredderleichtfraktion aus der Zerkleinerung von Schrotten und metallhaltigen Abfällen |
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DE102008026416A1 (de) | 2008-04-12 | 2009-10-15 | Sicon Gmbh | Verfahren und Anlage zur Aufbereitung von Kunststoffabfällen |
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JP6126893B2 (ja) * | 2013-04-11 | 2017-05-10 | 太平洋セメント株式会社 | シュレッダーダストの処理装置及び処理方法 |
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- 1999-03-12 DE DE19911010A patent/DE19911010A1/de not_active Withdrawn
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2000
- 2000-03-10 WO PCT/EP2000/002085 patent/WO2000053324A1/de active Application Filing
- 2000-03-10 DE DE10080525T patent/DE10080525D2/de not_active Ceased
- 2000-03-10 AU AU32879/00A patent/AU3287900A/en not_active Abandoned
- 2000-03-10 JP JP2000603806A patent/JP2002537992A/ja active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
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EP1721677A3 (de) * | 2000-10-27 | 2008-04-23 | Volkswagen AG | Verfahren zur Aufbereitung von Shredder-Rückständen und Verwendung einer erzeugten Sand-Fraktion |
WO2002034400A1 (de) * | 2000-10-27 | 2002-05-02 | Volkswagen Aktiengesellschaft | Anlage und verfahren zur aufbereitung von shredder-rückständen und verwendung einer erzeugten granulat-fraktion |
EP1721675A3 (de) * | 2000-10-27 | 2008-04-23 | Volkswagen AG | Verfahren zur Aufbereitung von Shredder-Rückständen und Verwendung einer erzeugten Granulat-Fraktion |
US7389880B2 (en) | 2000-10-27 | 2008-06-24 | Volkswagen Ag | Unit and method for processing of shredder residues and uses of a sand fraction produced thus |
WO2002034401A1 (de) * | 2000-10-27 | 2002-05-02 | Volkswagen Aktiengesellschaft | Anlage und verfahren zur aufbereitung von shredder-rückständen |
US8267336B2 (en) | 2000-10-27 | 2012-09-18 | Volkswagen Ag | System and method for treating shredder residues and use of a granulate fraction thus produced |
EP1721675A2 (de) | 2000-10-27 | 2006-11-15 | Volkswagen AG | Verfahren zur Aufbereitung von Shredder-Rückständen und Verwendung einer erzeugten Granulat-Fraktion |
EP1721676A2 (de) | 2000-10-27 | 2006-11-15 | Volkswagen AG | Verfahren zur Aufbereitung von Shredder-Rückständen und Verwendung einer erzeugten Flusen-Fraktion |
EP1721677A2 (de) | 2000-10-27 | 2006-11-15 | Volkswagen AG | Verfahren zur Aufbereitung von Shredder-Rückständen und Verwendung einer erzeugten Sand-Fraktion |
US8056729B2 (en) | 2000-10-27 | 2011-11-15 | Volkswagen Ag | System and method for treating shredder residues and utilizing a produced fiber fraction |
US7780760B2 (en) | 2000-10-27 | 2010-08-24 | Volkswagen Ag | Unit and method for the treatment of shredder residues and use of granulate fraction thus produced |
EP1721676A3 (de) * | 2000-10-27 | 2008-04-23 | Volkswagen AG | Verfahren zur Aufbereitung von Shredder-Rückständen und Verwendung einer erzeugten Flusen-Fraktion |
US7681812B2 (en) | 2000-10-27 | 2010-03-23 | Volkswagen Ag | Unit and method for the treatment of shredder residues |
WO2002034402A1 (de) * | 2000-10-27 | 2002-05-02 | Volkswagen Aktiengesellschaft | Anlage und verfahren zur aufbereitung von shredder-rückständen und verwendung einer erzeugten sand-fraktion |
US7681813B2 (en) | 2000-10-27 | 2010-03-23 | Volkswagen Ag | System and method for treating shredder residues |
ES2200625A1 (es) * | 2001-03-09 | 2004-03-01 | Sopra Herber S L | Sistema de limpieza para chatarra de perfiles de aluminio |
US7721400B2 (en) | 2002-06-14 | 2010-05-25 | Ellis Enz Splits, Llc | Spiked plate |
EP1616626A1 (de) * | 2004-07-14 | 2006-01-18 | CTU - Conzepte Technik Umwelt AG | Verfahren zum mechanischen Zerkleinern und Nutzen eines heterogenen Einsatzguts |
EP1656995A1 (de) * | 2004-11-12 | 2006-05-17 | X. Wiederkehr AG | Verfahren zur Verwertung von Schreddermüll |
EP1721674A1 (de) * | 2005-05-10 | 2006-11-15 | Ralf Schäfer | Vorrichtung zum Verarbeiten von Bauteilen aus Stoffgemischen |
US7753302B2 (en) | 2005-12-08 | 2010-07-13 | Swissrtec Gmbh | Rotor for an impact crusher |
WO2007065283A1 (de) * | 2005-12-09 | 2007-06-14 | Swissrtec Gmbh | Stator einer prallmühle |
ITUA20163741A1 (it) * | 2016-05-24 | 2017-11-24 | Sgm Magnetics S P A | Impianto e procedimento per il recupero di metalli dalla frazione fine di car fluff |
WO2017203413A1 (en) * | 2016-05-24 | 2017-11-30 | Sgm Magnetics S.P.A. | Plant and process for the recovery of metals from the fine fraction of car fluff |
BE1027782B1 (nl) * | 2019-11-22 | 2021-06-22 | Galloo Nv | Werkwijze en inrichting voor het delamineren van metalen en kunststoffen in metaalconcentraat |
CN113385284A (zh) * | 2021-06-11 | 2021-09-14 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种提高一段球磨机台时处理量的系统 |
Also Published As
Publication number | Publication date |
---|---|
DE19911010A1 (de) | 2000-10-05 |
JP2002537992A (ja) | 2002-11-12 |
DE10080525D2 (de) | 2003-01-30 |
AU3287900A (en) | 2000-09-28 |
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