Neumag, POY/FDY Spinning Plants, Polypropylene Multifilament or PET POY

Description

  1. Overview
    1. Item 001: Line A – 2-position POY line for the production of pre-oriented polypropylene multifilament yarn.
    2. Plant design for parallel spinning, 8 ends per position.
    3. Item 002: Line B – 1-position POY line for the production of pre-oriented polypropylene multifilament yarn.
    4. Plant design for parallel spinning, 6 ends per position.
    5. Item 003: Line C – 1-position FDY/POY line for the production of fully drawn FDY or pre-oriented POY polypropylene multifilament yarn.
    6. Plant design for 6 ends per position.
    7. Plant design preparation for PET POY multifilament spinning if decided at a later time; required conversion parts are listed on page 10.
  2. Line Configuration
    1. Line A: 1 extruder for 2 positions, POY 8-end parallel spinning.
    2. Line B: 1 extruder for 1 position, POY 6-end parallel spinning.
    3. Line C: 1 extruder for 1 position, FDY/POY 6-end spinning.
    4. POY take-up machine with lower and upper godets separately driven for yarn tension settings and yarn relaxation between godets and take-up winder for best bobbin formation.
  3. Spin Finish Pump Specifications
    1. Line A: 16-stream pump, 16 x 0.08 cm³/rev, rpm range 8 to 50.
    2. Line B and C: 12-stream pump, 12 x 0.16 cm³/rev, rpm range 8 to 50.
  4. Quench Air Unit
    1. Minimum temperature: 16 °C.
    2. Humidity: 70%.
    3. Quench air capacity: 14,000 m³/h for 4 positions.
  5. Dowtherm Boiler
    1. Layout temperature: 330 °C.
  6. Godet Specifications
    1. Number of godets per position: 2.
    2. POY line A and B godet speed layout: 1500 to max. 3500 m/min.
    3. Godet diameter and length: 120 mm diameter, 1200 mm length.
    4. Godet surface: LC 4 surface, 7.5 surface roughness.
    5. FDY/POY draw-take up machine: godet no. 1 heated and motor driven idler roll sufficient for FDY process, max. speed 4000 m/min.
    6. Godet duo heated godets no. 2+3: max. speed 4000 m/min.
    7. Upper take up godet no. 3 non-heated: max. speed 4000 m/min.
  7. Automatic Take-Up Winders
    1. Number of automatic take-up winders: 4.
    2. Type: WITRAS.
    3. Speed layout: 1800 to 5000 m/min.
    4. 2 for line A, type 6008 R for 8-end take-up: bobbin tube size ID 110 mm, OD 125 mm, length 153 mm; bobbin size approx. max. OD 435 mm, length 120 mm; bobbin volume max. 16.3 dm³.
    5. 2 for line B and C, type 6006 RL for 6-end take-up: bobbin tube size ID 110 mm, OD 125 mm, length 200 mm; bobbin size approx. max. OD 435 mm, length 170 mm; bobbin volume max. 23 dm³.
  8. Technical Plant Layout Data
    1. Number of POY production lines: line A 2 positions, 8 ends per position; line B 1 position, 6 ends per position.
    2. Pitch between positions: 1130 mm.
    3. POY denier program: as specified under positions 1.1 and 1.2.
    4. Number of FDY/POY production lines: line C 1 position, 6 ends per position.
    5. FDY denier program: as specified under position 1.3.
    6. Number of extruders: 1 per 2 positions line A, 1 per 1 position line B, 1 per 1 position line C.
    7. Extruder capacity range: line A 17 to 100 kg/h, line B 10 to 50 kg/h, line C 10 to 50 kg/h.
    8. Spinning pump size and rpm layout range: line A 8-stream pump, 8 x 2.4 cm³/rev, rpm range 8 to 45; line B and C 6-stream pump, 6 x 3.6 cm³/rev, rpm range 8 to 45.
    9. Masterbatch and additives dosing unit: gravimetric, type K-IRON, dosing range masterbatch 2 to 8%, additives 1 to 5%.
    10. Capacity of dosing unit: 1.6 to 150 g/min (0.1 to 9 kg/h).
    11. Max. deviation: up to 100 g + 0.5 g, over 100 g + 0.5% of the dosing value.
  9. Production Capacities
    1. Line A – approximate PP POY production capacities (2 positions, 16 ends, 96% efficiency): 42/14 final denier (POY 75/14) at 2200 m/min: 16.8 kg/h, 0.4 t/day; 50/60 final denier (POY 75/60) at 2200 m/min: 16.8 kg/h, 0.4 t/day; 64/60 final denier (POY 100/60) at 2200 m/min: 22.5 kg/h, 0.54 t/day; 100/60 final denier (POY 160/60) at 2200 m/min: 36 kg/h, 0.86 t/day; 120/60 final denier (POY 200/60) at 2200 m/min: 45 kg/h, 1.08 t/day; 133/144 final denier (POY 180/144) at 2000 m/min: 36.8 kg/h, 0.88 t/day.
    2. Line B – approximate PP POY production capacities (1 position, 6 ends, 96% efficiency): 64/60 final denier (POY 100/60) at 2200 m/min: 8.4 kg/h, 0.2 t/day; 110/144 final denier (POY 150/144) at 2000 m/min: 11.5 kg/h, 0.27 t/day; 190/144 final denier (POY 300/144) at 2200 m/min: 25.3 kg/h, 0.6 t/day; 250/144 final denier (POY 500/144) at 1800 m/min: 34.5 kg/h, 0.8 t/day.
    3. Line C – approximate PP FDY production capacities (1 position, 6 ends, 96% efficiency): 70/36 final denier at 3500 m/min: 9.4 kg/h, 0.22 t/day; 100/60 final denier at 3500 m/min: 13.4 kg/h, 0.32 t/day; 200/144 final denier at 3400 m/min: 26.1 kg/h, 0.62 t/day; 300/144 final denier at 3200 m/min: 36.8 kg/h, 0.88 t/day.
    4. Table of approximate possible PET POY production after conversion at a later time (2 positions, 16 ends, 96% efficiency): 75/24 final denier (POY 125/24) at 3200 m/min: 41 kg/h, 0.99 t/day; 125/72 final denier (POY 205/72) at 3200 m/min: 67 kg/h, 1.61 t/day.