Complete spun-bond line for conversion of polymer into continuous filaments, integrated with the conversion of the filaments into a random-laid, bonded non-woven fabric
Polypropylene 13 - 35 MFR for hygiene, coverstock and industrial products in the range of 15-150 grams/square meter
Process steps: polymer feed & pellets treatment, extrusion, filament spinning, quenching and formation, bonding & consolidation, slitting & packaging
Polymer Feed & Pellets Treatment
Colortronic pellets PP drier, dosing system (volumetric) 3 additives + main resin
Capacity: 750 kgs/hr
Temperature: 90 degrees celsius
Final humidity: 0. - 0.02 %
Extrusion
Barmag extruder
Length 30/1: 8300 mm, 250 mm screw diameter
Capacity: 750 kgs/hr
Temperature: max 400 degrees celsius, average running temperature: 350 degrees celsius
6 zones with pin mixer at the end of the screw, melt temperature control before screen changer
Filtration
Welding Engineers screen changer
Max throughput: 800 kgs/hr
Filtration area: 363 cm2
Filter diameter: 215 mm
Pressure: 100 bar
Spinning Pumps
9 Mahr spinning pumps
Volume: 70 cc
Gear ratio: 20/1
Spinning Head & Spinnerets
Heating: Dyphil, max temperature: 350 degrees celsius
Spinnerets: 1421*0.65 L/D 2
Filtration: 165 mesh
Loading from top
Beam length: 5 meters
Quenching
LTG quench panel
Size: 2400 * 400 mm (1/2 closed)
Temperature: 10-20 degrees celsius
Humidity: 20-90 %
Volume: 2000 m3/hr per position
Air speed: 0.2 - 3 m/s
Fume Extraction
Smog Hog
Volume: 50-100 m3/hr
Velocity: 3 m/s
Drawing
Guns 19 bars (100 m3/hr)
Number: 7 per position = total of 63
Start guns: 1 per position = total of 9
Ceramic friction tube under quench panel
Transfer pipe: 4 meters
Spray and separation by Unicorn electro device
FCB compressor of 25 bars
Throughput: 7000 m3/hr at 20 bars
Formation & Laydown
Cofpa 800 CFM belt
Size: 13.9 x 4.4 meters
Allibe table
Vacuum speed: 2-10 m/s
Press roll calander side
Max working width: 3600 mm
Calander
Küster 3-roll calander
2 nips
Floating smooth roll
17 & 22 % pattern square design
Max temperature: 170 degrees celsius
Pressure: 5-50 dan/cm
Speed: 200 m/min
2 water cooling rolls
Winder
Stahl Contort winder
Speed: 200 m/min
6 inches core
Rolls: 600-800 kg
Roll diameter: 1.2 meters
Slitting
Hansen slitter (off-line)
Minimum width: 200 mm
Speed: 350 m/min
Packaging
Full automatic roll wrapper
Additional Services
Full service erection and start-up can be offered separately as well as modification to the line to run different raw materials, different drawing process and configuration as well as different products
Condition
The line has been constantly upgraded for the last 20 years and is still state-of-the art machinery
Europe
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