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

Description

  1. Overview
    1. Inventory number: E-6445
    2. Polypropylene POY spinning plant, year 2006
    3. Designed for production of polypropylene POY multifilament continuous yarn
    4. 88 dtex (80 den) POY – production capacity 800 kg/day
    5. Composed of 1 line with 4 collecting heads for 6 ends each
  2. Production Capacity
    1. Real production calculated on base of 88 dtex (80 den): 760 kg/day at 2500 m/min collection speed, 24 bobbins
    2. Real production calculated on base of 88 dtex (80 den): 820 kg/day at 2700 m/min collection speed, 24 bobbins
  3. Raw Materials Consumption (per 1,000 kg of PP yarn)
    1. Chips: 1,030 kg
    2. Enzyming oil (medium): 10 kg
    3. Dowtherm: negligible
  4. 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%
  5. 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 Nmc/h
    4. Compressed air: plant feeding pressure 7 bar, gun’s working pressure 10 bar, dew point 7 °C, gun consumption 250 Nmc/h at 10 bar
  6. Polymer Feeding Tube
    1. Designed for feeding fused polymer to the spinning head
    2. External racket for heating by means of dowtherm steam
    3. Predisposition for a three-stages static mixer “SULZER” type, with coupling flanges
  7. Dowtherm Steam Generator
    1. Working under vacuum to get steam temperature lower than boiling point of dowtherm
    2. Horizontal high-resistance steel container
    3. Low power resistances for surface unit for long period of operation
    4. Dowtherm oil level indicator
    5. Magnetic indicator of safety level, which removes electrical input from heating resistances in case of low oil level
    6. Safety system comprising a manometer which removes electrical power from heating resistances in case of overpressure, a spring safety valve which consents an external steam discharge
    7. Two PT100 which control the temperature of dowtherm steam and liquid
    8. Safety valve, manovacuum gauge and a drainage valve
    9. ISPESL homologation
    10. Insulation excluded
    11. Vacuum pump with a relative adjustment system or a system with Venturi tube
    12. Maximum pressure: 5 bar
    13. Maximum temperature: 360 °C
    14. Working pressure: 0.6 bar absolute
    15. Working temperature: 240 °C
    16. Electrical heating power: 36 kW
    17. Dowtherm quantity: 200 liters
  8. Spinning
    1. Spinning head (4 units)
      1. Constructed for maximum homogeneity of spinneret packs temperature
      2. 2 assembled closet structures
      3. 2 incomes for dowtherm steam
      4. 2 outlets for dowtherm condensate
      5. 6 bottom slots for spinneret packs
      6. 1 slot for spinning pumps
      7. 1 PT100 for dowtherm steam temperature control
      8. 1 slot for polymer pressure feeler at the spinneret packs
      9. Insulation included
      10. Fumes aspiration system with extraction impeller
      11. Sizes: 890 mm length, 540 mm width, 520 mm height
    2. Spinning pumps group (4 units)
      1. Each group includes synchronous AC motor, reduction gear, pump command thrower with break pin, spinning pump with six deliveries
      2. Motor power: 0.75 kW
      3. Spinning pump capacity: 1.6 cm³/turn x 6
  9. Extrusion
    1. EM-PP-60/30D horizontal extruder (1 unit)
      1. Support structure
      2. Polymer feeding lined area for cooled water circulation
      3. Heat exchanger for cooling oil
      4. 5 areas with armored resistances
      5. 5 PT100 for temperature control
      6. Nitrided screw, a form for PP, with dynamic mixer
      7. AC low side motor with cooling impeller
      8. Polymer pressure probe
      9. PT100 for head polymer temperature control
      10. Screw diameter: 60 mm
      11. Screw length (30 diameters): 1800 mm
      12. Max extrusion capacity: 60 kg/h
      13. Heating areas: 5
      14. Total heating electrical power: 22 kW
      15. Motor power: 26.5 kW
    2. Polymer net glass-type two ways filter (1 unit)
      1. With electrical heating, approx. 10 kW
      2. Feeler for extruder polymer pressure regulation
      3. Insulation
    3. Spinneret packs (24 + 24 units)
      1. Each pack completed with main structure, circular spinnerets (not included), diffusors, 5 cloth filters made of AISI 304 stainless steel, aluminium gaskets, four bolts for pack assembling
      2. Spinnerets diameter: 80/87 mm
      3. Spinneret packs sizes: 136 mm length, 60 mm height, 110 mm width
    4. Blowing cells (4 units)
      1. Each cell composed of adjustment valve with air delivery to the cells, pipe fitting air delivery to the cells, 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)
      2. Distribution section sizes: 1800 mm x 900 mm
      3. Material: AISI 304 stainless steel
    5. Yarn descent channels (4 units)
      1. Completed with an automatic closing device and controlled by sensors of yarn presence on bobbins
      2. Two hooks for thread-suction gun attachment
  10. Enzyming
    1. Double oiling enzyming system (1 unit)
      1. 2 distribution stainless steel tanks with floating level (one for every two spinning heads)
      2. 8 enzyming oil dosage pumps (two for each collecting position)
      3. 8 complete motors and transmissions for enzyming pumps control
      4. 12 thread-guides oilers, with a possibility of a vertical adjustment (for each collecting position)
      5. Distribution tank volume: 50 dm³
      6. Motor power: 0.04 kW
      7. Enzyming pumps capacity: 0.12 cm³/turn x 6
  11. Collection
    1. Collection section with 4 winders (1 unit)
      1. 8 cold motorized godets, length to be defined on the base of the length of the mandrels of the winding machines, diameter 150 mm