Technical facilities
Listed below are the technical facilities of the Department of Anthropogenic Material Cycles including technical specifications. The technical facilities are utilized for academics and research as well as services.
Lab sieving tower
| Manufacturer | Retsch |
|---|---|
| Diameter of Screen Linings | 200 mm |
| Mesh Sizes | various sizes from 10 μm to 20 mm |
| Field of Application |
Determination of particle size distributions
|
Analysis drum sieve
| Manufacturer | self-made |
|---|---|
| Type of Movement | rotating |
| Input Power | 2,2 kW |
| Diameter of Drum Screen | 1.500 mm |
| Installation | Polygonal screen with 8 screen linings |
| Dimensions of Screen Linings | 950 x 560 mm |
| Revolution | adjustable |
| Mesh Sizes |
10; 20; 40; 60; 80; 100; 120; 140; 160; 200; 240; 300 mm, further mesh sizes can be manufactured |
| Field of Application |
|
| Other | designed for mobile deployment |
Box sieve
| Manufacturer | Siebtechnik |
|---|---|
| Type of Movement | Circular Vibratory Screen |
|
Dimensions of Screen Linings |
500 x 500 mm |
| Input Power | 0,75 kW |
| Revolution | 1.400 RPM |
| Mesh Sizes |
1; 2; 4; 6,3; 10; 20; 31,5; 40; 50; 63; 80; 100 mm |
| Field of Application | Determination of particle size distributions |
Vibration sieve
| Manufacturer | Heger |
|---|---|
| Type of Movement | Circular Vibratory Screen |
|
Dimensions of Screen Linings |
500 x 1000 mm |
| Input Power | 0,2 kW |
| Mesh Sizes |
1; 2; 4; 5; 8; 10; 16; 20 mm round hole 10 mm square hole |
| Field of Application | Determination of particle size distributions |
| Sieve Inclination | variable: 0-16° |
| Frequency | variable: 0-60 Hz |
| Weight | 180 kg |
Bahco sifter
| Manufacturer | Fa. Etabliss. Neu, France |
|---|---|
| Input Power | 0,66 kW |
| Revolution | 3000 RPM |
| Flow Capacity | approx. 1 g/min |
| Cut-Off | 2 - 60 μm |
| Product Quantity (min) |
6 g
|
Pycnometer
| Manufacturer | Micromeritics |
|---|---|
| Type | AccuPyc 1340 |
| Dimensions | 27,3 x 36,2 x 17,9 cm |
| Sample Chambers [cm³] | 1, 10, 100, 350, 2000 |
| Characteristics |
|
| Precision | Reproducibility typically within ± 0.01% of the nominal full-scale sample cell chamber volume |
| Accuracy |
Accurate to within 0.03% of reading, plus 0.03% of sample capacity |
Chamber furnace
| Manufacturer | Heraeus |
|---|---|
| Type | K 1253 S |
| Nominal Temperature |
1150 °C |
| Rated Input |
12,04 kW |
| Heat-up time to 1150 °C | 85 min |
| Cooling time to 100 °C | 44 h |
| Capacity | 60 kg |
| Effective Chamber Volume | 32 l |
| Weight | 240 kg |
Box oven
| Manufacturer | Heraeus |
|---|---|
| Type | TUH 125/200 |
| Nominal Temperature |
250 °C |
| Rated Input |
22,5 kW |
| Inner Dimensions | 1250 x 1250 x 2000 mm |
Jaw breaker
| Manufacturer | Wedag |
|---|---|
| Input Power | 1,5 kW |
| Stroke Rate |
adjustable, 50 – 220 min-1 |
| Feed Grain Size (max.) | approx. 220 x 130 mm |
| Area of Application | Coarse grinding of minerals by pressure load (e.g. demolition waste) |
| Jaw Setting |
adjustable, approx. 30 – 60 mm |
Jaw crusher
| Manufacturer | Krupp |
|---|---|
| Input Power | approx. 2,2 kW |
| Stroke Rate | approx. 420 min-1 |
| Feed Grain Size (max.) | 100 x 100 mm |
| Area of Application | Medium comminution of minerals (e.g. demolition waste) |
| Jaw Setting | approx. 10 mm |
Hammer mill (large)
| Manufacturer | self-made |
|---|---|
| Input Power | 30 kW |
| Peripheral Speed (max.) | adjustable up to 75 m/s |
| Mesh Sizes | 4; 20; 40; 60; 80 mm |
| Hammer Dimensions (max.) | approx. 40 x 40 x 120 mm |
| Hammer Weight (max.) | approx. 2 kg |
| Alignment of Hammers | 4 supporting axles, different alignments possible, hard and soft materials (e.g. waste wood, electronic scrap, hard plastics) |
| Field of Application | Selective comminution |
| Other | Dedusting with cyclone and bag filter |
Hammer mill (small)
| Manufacturer | Condux |
|---|---|
| Type of Crusher | High speed |
| Main Types of Loads | Impact, Shearing |
| Weight | 30 kg |
| Input Power | 3 kW |
| Revolution | 2850 RPM |
| Mesh Sizes |
0; 1; 2; 3; 4; 5; 6; 8; 11 mm |
| Feed Grain Size (max.) | 100 x 60 mm |
| Rotor Width | 150 mm |
| Alignment of Hammers | 4 axles with different numbers and alignments of hammers possible. Various hammer shapes. |
| Field of Application | Numerous materials and mixed materials. Selective comminution possible |
| Other | Dedusting with cyclone allows for material recovery; Cryogenic comminution |
Impact mill (large)
| Manufacturer | Hazemag |
|---|---|
| Type of Crusher | High speed |
| Input Power | 18 kW |
| Peripheral Speed (max.) | adjustable up to approx.19 m/s |
| Feed Grain Size (max.) | approx. 360 x 280 mm |
| Field of Application | Fine and medium comminution of hard, brittle materials; Digestion of compound materials |
| Jaw Setting | adjustable |
Impact mill (small)
| Manufacturer | Hazemag |
|---|---|
| Type of Crusher | High speed |
| Input Power | 1,1 kW |
| Feed Grain Size (max.) | approx. 100 x 100 mm |
| Field of Application | Fine comminution |
| Jaw Setting | adjustable |
Flat roller mill
| Manufacturer | Wedag |
|---|---|
| Feed Grain Size (max.) | approx. 10 mm |
| Field of Application | Medium and fine comminution of minerals (e.g. refractory material ) |
| Jaw Setting | adjustable |
| Other | deflectably mounted roll |
Disc swing mill
| Manufacturer | Siebtechnik |
|---|---|
| Dimensions of Grinding Jar | Ø 140 mm |
| Accessories | Various grinding jars and rings |
| Field of Application | Fine and micro grinding for laboratory analysis |
Disc chipper
| Manufacturer | Modified Installation; Basic structure DC 20 Delta Competent |
|---|---|
| Input Power |
Drive: 15 kW; Feed roll: 1,1 kW |
| Revolution |
infinitely variable up to 1.000 RPM |
| Number of Blades |
2 rotor blades; 1 stator blade |
| Flywheel Weight | approx. 100 kg |
| Blade Spacing | 2 - 7 mm |
| Feed Grain Size | max. Ø 15 cm |
| Field of Application | Comminution of wood (e.g. from green waste) |
| Other | Measurement of torque and revolution at the drive shaft |
Cutting mill (large)
| Manufacturer | Reto |
|---|---|
| Input Power | 37 kW |
| Rotor Peripheral Speed | 9 m/s |
| Rotor Cutting Diameter | 350 mm |
| Rotor Length | 450 mm |
| Mesh Sizes | 4; 5; 6; 8; 10; 12; 15; 20; 30; 40; 50; 60; 70; 80 mm |
| Field of Application | All materials shreddable by shearing (e.g. lightweight packaging, paper, plastics etc.) |
| Other | Requires upstream, efficient metal precipitation |
Cutting mill (small)
| Manufacturer | Dreher |
|---|---|
| Input Power | 2,2 kW |
| Rotor Peripheral Speed | 10 m/s |
| Rotor Cutting Diameter | 160 mm |
| Rotor Length | 200 mm |
| Mesh Sizes | 1; 2; 3; 4; 5; 6; 8 mm |
| Field of Application |
All materials shreddable by cutting (e.g. lightweight packaging, paper, textiles etc.) |
| Other |
Requires upstream, efficient metal precipitation; A vacuum device may be applied to support discharge |
Laboratory cutting mill
| Manufacturer | Retsch |
|---|---|
| Input Power | 1,75 KW |
| Peripheral Speed | 10 m/s |
| Mesh Sizes | 0,5; 0,75; 1; 1,5; 2; 4; 6; 8; 10 mm |
| Field of Application |
All materials shreddable by cutting (e.g. lightweight packaging, paper, textiles, fuel surrogates etc.); Used for sample preparation |
| Other |
Requires upstream, efficient metal precipitation; A vacuum device may be applied to support discharge |
Rotary shear
| Manufacturer | Moco |
|---|---|
| Input Power | 7,5 kW |
| Peripheral Speed | approx. 0,5 m/s |
| Cutter Clearence | - |
| Cutting Disc Width | 28 mm |
| Feed Grain Size (max.) | approx. 400 x 350 mm |
| Field of Application | Precrushing (e.g. wood, plastics, paper and board, electronic scrap) |
| Other | Rotors reversible in case of overload |
Single shaft shredder
| Manufacturer | Vecoplan |
|---|---|
| Input Power | 22 kW |
| Rotor Revolution | 50 -200 min-1 |
| Rotor Length | 800 mm |
| Ram Working Pressure | max. 160 bar |
| Mesh Sizes | 10, 20, 30, 40, 60 mm |
| Field of Application | All materials shreddable by shearing (e.g. lightweight packaging, paper, plastics etc.) |
| Other | Requires upstream metal precipitation |
Crank shaft sieve
| Manufacturer | Wedag |
|---|---|
| Type of Movement | Linear Vibratory Screen |
|
Dimensions of Screen Linings |
1.200 x 500 mm |
| Input Power | 1,2 kW |
| Mesh Sizes |
5; 6; 8; 10; 12; 17; 18 (square hole) 6; 10; 18; 30; 36; 50; 80 (round hole) |
| Field of Application | Gentle sieving (e.g. chipped wood) |
| Other | Double-deck screen operation possible; Dedusting connection available |
Flip-flop screen
| Manufacturer | Hein, Lehmann |
|---|---|
| Type of Movement | Vertical throw |
| Input Power | 2,2 kW |
| Mesh Area Dimensions | 8 mats à 500 x 355 mm (W x L) |
| Mesh Sizes | 1; 2; 3; 4; 10; 18 mm |
| Field of Application | Precise sieving for hard-to-screen feed materials (e.g. damp, sticky materials; electronic scrap) |
| Weight | 800 kg |
| Other | Adjustable screen inclination (15° – 25°) |
Tumbler screen
| Manufacturer | Allgaier |
|---|---|
| Type of Movement | swaying-swinging |
| Diameter | 800 mm |
| Revolution | 1.440 RPM |
| Mesh Area | 0,4 m² |
| Mesh Sizes | 0,2; 0,3; 0,5; 1,0; 2,0; 4,0; 8,0 mm |
| Field of Application | Fiber separation from slurry; Solid particle separation from water; Various sizing tasks |
| Other | Multi-deck screen operation possible |
Disc screen (small)
| Manufacturer | Vecoplan |
|---|---|
| Rotational Speed | n/a |
| Screen Length | 1200 mm |
| Screen Width | 460 mm |
| Gap between Discs | 17 mm |
| Number of Discs | 20 |
| Engine rev | 1430 RPM |
| Drive | Electric motor with v-belt drive |
Disc screen (big)
| Manufacturer | self-made |
|---|---|
| Year of Manufacture | 2013 |
| Dimensions | 1,50 x 3 m |
| Inclination | adjustable (14,5° - 26,5°) in 1° increments |
| Number of Shafts | 5 |
| Distance between Shafts | adjustable |
| Distance between Metal Disks | adjustable |
| Number of Metal Disks (max.) | 12 |
| Distance between Plastic Disks | adjustable |
| Number of Plastic Disks | variable, depends on distance between plastic disks |
| Rotational Speed | 0-13 m/s |
| Revolution | 0-120 RPM |
| Drive | chain drive |
| Type of Movement | rotating |
| Field of Application | Classification of mixtures of recovered paper |
Drum magnet separator (weak field)
| Manufacturer | Steinert |
|---|---|
| Operating Principle | drop-off |
| Weight | 135 kg |
| Input Power | 0,37 kW |
| Drum Revolution | 35 RPM |
| Drum Dimensions | Ø 300 x 500 mm |
| Magnet System | adjustable; permanent magnetic with disk poles |
| Induction of Magnetic Field | approx. 0,15 Tesla at drum surface |
| Field of Application | Separation of fine and coarse iron particles |
| Other | Feed vibratory conveyor applicable |
Drum magnet separator (medium field)
| Manufacturer | Steinert |
|---|---|
| Operating Principle | Drop-off or pull-out |
| Input Power | 1,5 kW |
| Weight | 150 kg |
| Drum Revolution | adjustable, 27 – 270 RPM |
| Drum Dimensions | Ø 400 x 500 mm |
| Magnet System | adjustable, permanent magnetic, Ne Fe B radial poles and one axial pole |
| Magnetic Induction | approx. 0,4 Tesla at drum surface |
| Field of Application | Separation of fine and coarse iron particles |
| Other | Feed vibratory conveyor applicable |
Suspension magnet separator
| Manufacturer | Steinert |
|---|---|
| Operating Principle | pull-out |
| Input Power | 1,5 kW |
| Weight | 1.000 kg |
| Magnet Dimensions | 726 x 600 x 244 mm |
| Magnet System | permanent magnetic |
| Operating Distance | approx. 250 mm, depends on feedstock |
| Field of Application | Separation of coarse iron components |
| Other | transverse or longitudinal release |
Suspension magnet separator "Silver Arrow"
| Manufacturer | Steinert |
|---|---|
| Operating Principle | pull-out |
| Alignment | transverse release via conveyor |
| Input Power | 0,18 kW |
| Weight | 65 kg |
| Magnet Dimensions | 750 mm x 100 mm |
| Magnet System | permanent magnetic, Nd Fe B |
| Magnetic Induction | approx. 0,4 Tesla at belt surface |
| Belt Velocity | adjustable via frequency inverter |
| Operating Distance (max.) | approx. 70 mm |
| Field of Application | Separation of fine-grained, slightly magnetic material |
High gradient magnetic separator
| Manufacturer | Steinert |
|---|---|
| Operating Principle | drop-off |
| Input Power | 0,11 kW |
| Weight | 40 kg |
| Axel Distance | 600 mm |
| Infeed Width | 200 mm |
| Belt Width | 240 mm |
| Head Drum Diameter | 70 mm |
| Magnet System | permanent magnetic, Nd Fe B |
| Magnetic Induction | approx. 2,0 Tesla at belt surface |
| Belt Velocity | adjustable via frequency inverter |
| Feed Grain Size (max.) | approx. 4 mm |
| Field of Application | Separation of fine-grained, slightly magnetic material |
| Other | Feed vibratory conveyor applicable |
Eddy current separator (large)
| Manufacturer | Steinert |
|---|---|
| Operating Principle | selective separation of non-ferrous metals via magnetic fields induced by eddy currents |
| Input Power | 2,2 kW (belt) 5,5 kW (magnetic wheel) |
| Weight | 1.600 kg |
| Axel Distance | 1.300 mm |
| Infeed Width | 500 mm |
| Belt Velocity | adjustable, 0,1 - 2,7 m/s |
| Magnet System | displaceable, excentric magnetic wheel located in head drum; equipped with Nd Fe B permanent magnets |
| Frequency | adjustable up to 3,000 rpm |
| Flow Capacity | up to 5 m³/h |
| Field of Application | Separation of non-ferrous metals with grain sizes ranging from 1 up to approx. 150 mm (preliminary classification required) |
| Other | Infeed via vibrating conveyor with integrated feed hopper |
Corona drum separator (small)
| Manufacturer | Krupp |
|---|---|
| Operating Principle | Separation via electric field |
| Input Power | 0,34 kW |
| High Voltage | 0 – approx. 40 kV at the electrodes |
| Drum Dimensions | Ø 180 x 400 mm |
| Drum Revolution |
infinitely variable: 75 - 375 RPM |
| Field of Application | Material separation of mixed materials (conductors and non-conductors) with grain sizes from 0,1 to 4,0 mm (e.g. crushed electronic scrap) |
| Other |
Single-stage sorting; Optional drying of material flow via infrared emitter; Infeed via adjustable vibrating conveyor with integrated feed hopper |
Corona drum separator (large)
| Manufacturer | Steinert |
|---|---|
| Operating Principle | Separation via electric field |
| Input Power | 4,4 kW |
| High Voltage | 0 – 30 kV at the electrodes |
| Drum Dimensions | Ø 300 x 400 mm |
| Drum Revolution | infinitely variable |
| Field of Application | Material separation of mixed materials (conductors and non-conductors) with grain sizes from 0,1 to 4,0 mm (e.g. crushed electronic scrap) |
| Other | Single-stage sorting; Completely enclosed unit; Infeed via adjustable vibrating conveyor with integrated feed hopper |
Cross-flow air classifier
| Manufacturer | self-made |
|---|---|
| Operating Principle | Classification by air flow according to shape and density |
| Manufacturer of Centrifugal Fan | VENTI-OELDE |
| Input Power of Centrifugal Fan | 18 kW |
| Air Volume Flow | adjustable, max. 12.000 m³/h |
| Manufacturer of Light Fraction Separator | HÖCKER POLYTECHNIK |
| Input Power of Rotary Valve | 1,5 kW |
| Feed Grain Size (max.) | ca. 200 mm |
| Field of Application | Classification of light fraction components from composite waste; e.g. for enrichment of refuse derived fuels |
| Other | Recirculating air classifier with adjustable exhaust air volume flow up to approx. 30% |
Air table
| Manufacturer | Happle |
|---|---|
| Operating Principle | Classification according to shape and density in fluidized bed |
| Input Power Air Blower | 7,5 kW |
| Input Power Screen | 2,2 kW |
| Dimensions of Screen Linings | 1.200 x 600 mm |
| Accessories | Various screen linings with different mesh sizes: 0,3; 0,8; 1,25; 1,5 and 1,6 x 1,4 mm |
| Field of Application | Separation of various mixed materials (e.g. cable scrap, plastic compounds, electronic scrap etc.) |
| Other | Circulatory air operation with secondary air treament via cyclone and dust filter |
Sorting centrifuge "Baby" CENSOR
| Manufacturer | Baker Process |
|---|---|
| Operating Principle | Sorting according to density via centrifugal field |
| Weight | 130 kg |
| Operating Temperature (max.) | 80 °C |
| Filling Volume (max.) | 1,9 dm³ |
| Inner Diameter of Drum | 200 mm |
| Drum Wall Thickness | 4 mm |
| Drum Revolution (max.) | 7.000 RPM |
| Operating Speed (max.) | 5.000 RPM |
| Accessories | Slurry tank |
| Field of Application | Density separation of plastics |
| Other | Batch mode operation |