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Polypropylene POY Spinning Plant, 2006, 1 Line, 4 Collecting Heads, 800 kg/day

Description

  1. Overview
    1. 88 dtex (80 den) polypropylene POY multifilament continuous yarn production line
    2. Line composed of 1 line with 4 collecting heads for 6 ends each
    3. Production capacity calculated on base of 88 dtex (80 den): 760 kg/day at 2500 m/min collection speed, 24 bobbins; 820 kg/day at 2700 m/min collection speed, 24 bobbins
  2. Raw Materials Consumption (per 1000 kg of PP yarn)
    1. Chips: 1030 kg
    2. Enzyming oil (medium): 10 kg
    3. Dowtherm: negligible
  3. Yarn Parameters
    1. Poy count variation (daily deviation on the certain count): ± 0.5%
    2. Poy elongation (daily deviation on the medium elongation): ± 4.0%
    3. Full bobbins (diameter 400 ± 20 mm): 93%
  4. Utilities Specifications
    1. Electrical power: tension 230/400 V, frequency 50 Hz, total power installed 130 kW, protection IP51, input type three-phase + neutral
    2. Heating fluid: Dowtherm A or equivalent, quantity about 200 liters
    3. Compressed air tools: plant feeding pressure 7 bar, working pressure 6 bar, dew point -40 °C, oil absence, consumption 0.6 Nm³/h
    4. Compressed air: plant feeding pressure 7 bar, gun’s working pressure 10 bar, dew point 7 °C, gun consumption 250 Nm³/h at 10 bar
  5. Description of the Supply
    1. Polypropylene POY production line with 4 collections of 6 bobbins each, including system of chips/color/additives loading, dosage system and extruder’s feedbox
  6. Extrusion
    1. 1 EM-PP-60/30D horizontal extruder: support structure, polymer’s feeding lined area for cooled water circulation, heat exchanger for cooling oil, 5 areas with armored resistances, 5 PT100 for temperature control, nitrided screw with dynamic mixer, AC low side motor with cooling impeller, polymer pressure probe, PT100 for head polymer’s temperature control. Technical details: screw diameter 60 mm, screw length 1800 mm, max extrusion capacity 60 kg/h, heating areas 5, total heating electrical power 22 kW, motor power 26.5 kW
    2. 1 polymer’s net glass-type two ways filter with electrical heating approx. 10 kW, completed with feeler for extruder polymer pressure regulation and insulation
    3. 1 polymer feeding tube designed for feeding fused polymer to the spinning head, with external racket for heating by Dowtherm steam and predisposition for a three-stages static mixer “Sulzer” type, with coupling flanges
    4. 1 Dowtherm steam generator working under vacuum: horizontal high-resistance steel container, low power resistances, Dowtherm oil level indicator, magnetic indicator of safety level, safety system with manometer and spring safety valve, two PT100 for temperature control, safety valve, manovacuum gauge and drainage valve, ISPESL homologation, insulation excluded, vacuum pump with relative adjustment system or system with Venturi tube. Technical details: maximum pressure 5 bar, maximum temperature 360 °C, working pressure 0.6 bar absolute, working temperature 240 °C, electrical heating power 36 kW, Dowtherm quantity 200 liters
  7. Spinning
    1. 4 spinning heads: 2 assembled closet structures, 2 incomes for Dowtherm steam, 2 outlets for Dowtherm condensate, 6 bottom slots for spinneret packs, 1 slot for spinning pumps, 1 PT100 for Dowtherm steam temperature control, 1 slot for polymer pressure feeler at the spinneret packs, insulation included, fumes aspiration system with extraction impeller. Technical details: sizes 890 mm length, 540 mm width, 520 mm height
    2. 4 spinning pumps groups: each includes synchronous AC motor, reduction gear, pump command thrower with break pin, spinning pump with six deliveries. Technical details: motor power 0.75 kW, spinning pump capacity 1.6 cm³/turn x 6
    3. 24 + 24 spinneret packs: main structure, circular spinnerets (not included), diffusors, 5 cloths filters made of AISI 304 stainless steel, aluminium gaskets, four bolts for pack assembling. Technical details: spinnerets’ diameter 80/87 mm, spinneret packs’ sizes 136 mm length, 60 mm height, 110 mm width
    4. 4 blowing cells: adjustment valve with air delivery, pipe fitting air delivery, air filter, air flow distributor, manometer, two doors empty/full to define, adjustable only support for oilers thread guides, enzyming oil discharge system with on-the-floor container, 6 interlacers (type to define). Technical details: distribution section sizes 1800 x 900 mm, material AISI 304 stainless steel
    5. 4 yarn descent channels completed with automatic closing device controlled by sensors of yarn presence on bobbins, with two hooks for thread-suction gun attachment
  8. Enzyming
    1. 1 double oiling enzyming system