Complete spinning and extrusion plant for the production of polyester POY with texturizing department.
Summarizing table of spinning machinery.
280 dtex yarn-medium count.
Production capacity: 9500 kg/24 hours.
Spinning Lines Summary
Three spinning lines: A line, B line, and C line.
Three silos for chips stocking.
Mechanical transportation of the chips.
One Piovan chips dryer per line.
One chips crystallizer per line.
Centralized air treatment for chips dryers.
Polymer extruders: A line diameter 90 mm, B line diameter 90 mm, C line diameter 45 mm.
Direct polymer distributor per line.
Volumetric dosing pumps for spinning: A line 20, B line 8, C line 1.
Spinning heads with diamond spinnerets: A line 5 x 4 spinnerets, B line 2 x 4 spinnerets, C line 1 x 8 spinnerets.
Filament drying chimneys: A line 20 x 4 yarns, B line 8 x 4 yarns, C line 2 x 4 yarns.
Centralized chimneys cooling air treatment.
Filament panting nozzle oiling: 4 nozzles per line.
Volumetric pumps/panting inv.: A line 20, B line 8, C line 1.
Number of bobbins: A line 20 x 4, B line 8 x 4, C line 8 x 1.
Yarn count of POY polyester yarn: A line 135 dtex, B line 280 dtex, C line 135 dtex.
Production kg/24h: A line 5000, B line 4000, C line 500.
Packed in bobbins of kg: A line 24, B line 24, C line 15.
Bobbin diameter mm: 420 for all lines.
A Line Specifications
4 sections, production 5000 kg/day, final count 70 den white.
Each autonomous section includes: molecular sieve dehumidificator with closed circuit for process air, crystallizer/dryer for chips base, extruder diameter 90 mm, spinning head with a crown pump and 4 parcels of round spinnerets, Dowtherm heating system, blow cell with enziming and entangling threadlines, winder with 4 bobbins.
B Line Specifications
Production 4000 kg/day, final count 150 den white.
Composition: molecular sieve dehumidificator with closed circuit for process air, crystallizer/dryer for chips base, extruder diameter 90 mm, spinning head with two crown pumps and 4 parcels of round spinnerets, Dowtherm heating system, blow cell with enziming and entangling threadlines, winder with 4 bobbins.
C Line Specifications
Production 500 kg/day each, final count 70 den.
Each line includes: crystallizer/dryer for chips base, extruder diameter 45 mm, spinning head with eight polymer dosing pumps and 8 parcels of double round spinnerets, Dowtherm heating system, blowing cells with enziming and entangling threadlines, winders with 8 bobbins.
Spinning Ancillary Equipment
Stocking and mechanical transporting system for chips (4 silo inox steel automatic valves and so on).
Winding and blowing air conditioning composed of a preparation station, filtration, washing and humidification with separate humidity and temperature regulation for zone and line (refrigerated water batteries, hot water batteries and electrical resistances), with relative regains.
Chiller for refrigerated water with 3 custom pack closed-circuit refrigerators which serve the dryers process air dehumidificators, into the chips-feeding tubes towards the dryers, in the conditioning for the air humidity and in the compressors.
Centralized compressed-air plant with two screw-compressors of 10 bar and a suitable stocking, dehumidifying and de-oiling systems with a relative control system.
Diathermic oil plant with two gas generators temp. up to 250°.
Buffer battery for the spinning lines with a guaranteed working time of 10 min.
Power-boards room for the spinning lines.
Spinnerets laboratory for cleaning and preparation of spinnerets parcels with burning oven, sander and pre-heating oven.
Chemical textile laboratory for the yarn checking.
Enziming oil preparation system with a demineralizer and plastic reinforced by fiber glass tanks.
Gas ramp for the azote distribution on the extruders chips entry bodies.
Texturizing Plant
5 texturizing machines RPR 3SDX with 216 positions on two sides.
Production capacity of each machine for yarn count 150 den is over 3000 kg/day.
Texturizing machines are fed by POY on the transported beds as by elevating trolleys, as by a belt conveyor.
Second Spinning Department (Texturizing Weaving of Knitting)
4 stocking inox steel silos each one of 60 mc, completed with 3 fully automatic transporting devices for the drying lines feeding.
“A” spinning line, fully computerized and automatic with central command control effected by means of Cognesent Typact command boards for the production of polyester continuous yarn. Completed with a drying device, a diathermic oil-heating boiler, a dry transportation device, an extrusion system (feeding silo, extruder, polymer filter), spinning heads and pumps, spinnerets parcels, quenching system composed of blow cells, oiling device, yarn cutting-aspiration system, take-off heads, electric doffer for picking-up of the bobbins. Composed of 20 Cognesint take-off heads model GRL M6, 1 Cognesint head mod. GRL M6, 1 Cognesint head mod. GRL M6.
“B” spinning line, fully computerized and automatic with central command control effected by means of Ghisalba command boards for the production of polyester continuous yarn. Completed with a drying device, a diathermic oil-heating boiler, a dry transportation device, an extrusion system (feeding silo, extruder, polymer filter), spinning heads and pumps, spinnerets parcels, quenching system composed of blow cells, oiling device, yarn cutting-aspiration system, take-off heads, electric doffer for picking-up of the bobbins. Composed of 8 Cognesint take-off heads model GRL M6.
“C” spinning line, fully computerized and automatic with central command control effected by means of Thermoalfa command boards for the production of polyester continuous yarn. Completed with a pneumatic humid transportation device, a dry transportation device, an extrusion system (feeding silo, extruder, agitator), spinning heads and pumps, spinnerets parcels, quenching system composed of blow cells, oiling device, entangling system which is composed of 1 Cognesint take-off head mod. CM9, year of registration 1990.
The above plants (A+B+C lines) are equipped with 2 polymer drying lines.
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