Company founded 1975 US-based machinery business experienced in worldwide sales.

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

Description

  1. Overview
    1. One production line for polypropylene POY multifilament continuous yarn
    2. Line composed of 4 collecting heads for 6 ends each
    3. Real production at 88 dtex (80 den): 760 kg/day at 2500 m/min, 820 kg/day at 2700 m/min
    4. 24 bobbins per speed setting
  2. Raw Materials Consumption (per 1000 kg of PP yarn)
    1. Chips: 1.030 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: 230/400 V, 50 Hz, three-phase + neutral, total installed 130 kW, protection IP51
    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 working pressure 10 bar, dew point 7 °C, gun consumption 250 Nm³/h at 10 bar
  5. Spinning Plant
    1. Polypropylene POY production line with 4 collections of 6 bobbins each, including system for chips/color/additives loading, dosage system, and extruder feedbox
  6. Extrusion
    1. 1 EM-PP-60/30D horizontal extruder: support structure, polymer 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 temperature control
    2. Extruder technical details: screw diameter 60 mm, screw length 1.800 mm, max extrusion capacity 60 kg/h, heating areas 5, total heating electrical power 22 kW, motor power 26.5 kW
    3. 1 polymer net glass-type two ways filter with electrical heating approx. 10 kW, feeler for extruder polymer pressure regulation, insulation
    4. 1 polymer feeding tube designed for feeding fused polymer to spinning head, with external racket for heating by Dowtherm steam and predisposition for three-stage static mixer “Sulzer” type with coupling flanges
    5. 1 Dowtherm steam generator working under vacuum: horizontal high-resistance steel container, low power resistances, Dowtherm oil level indicator, magnetic safety level indicator, safety system with manometer and spring safety valve, two PT100 for temperature control, safety valve/manovacuum gauge/drainage valve, ISPESL homologation, insulation excluded, vacuum pump with adjustment system or Venturi tube system
    6. Dowtherm steam generator 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. 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 spinneret packs, insulation included, fumes aspiration system with extraction impeller
    8. Spinning head technical details: sizes 890 mm length, 540 mm width, 520 mm height
    9. 4 spinning pump groups: each with synchronous AC motor, reduction gear, pump command thrower with break pin, spinning pump with six deliveries
    10. Spinning pump group technical details: motor power 0.75 kW, spinning pump capacity 1.6 cm³/turn x 6
    11. 24 + 24 spinneret packs: main structure, circular spinnerets (not included), diffusors, 5 cloth filters made of AISI 304 stainless steel, aluminium gaskets, four bolts for pack assembling
    12. Spinneret pack technical details: spinneret diameter 80/87 mm, pack sizes 136 mm length, 60 mm height, 110 mm width
    13. 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 support for oilers thread guides, enzyming oil discharge system with on-the-floor container, 6 interlacers (type to define)
    14. Blowing cell technical details: distribution section sizes 1.800 x 900 mm, material AISI 304 stainless steel
    15. 4 yarn descent channels with automatic closing device, controlled by sensors of yarn presence on bobbins, two hooks for thread-suction gun attachment
  7. Enzyming
    1. 1 double oiling enzyming system: 2 distribution stainless steel tanks with floating level (one for every two spinning heads), 8 enzyming oil dosage pumps (two for each collecting position), 8 complete motors and transmissions for enzyming pumps control, 12 thread-guides oilers with position