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Neumag, Spinning Plant for Polypropylene Production, 4-Position, 17 to 100 kg/h Extruder Capacity

Description

  1. Overview
    1. Line A: 2-position POY line for the production of pre-oriented polypropylene multifilament yarn, plant design for parallel spinning, 8 ends/pos.
    2. Line B: 1-position POY line for the production of pre-oriented polypropylene multifilament yarn, plant design for parallel spinning, 6 ends/pos.
    3. Line C: 1-position FDY/POY line for the production of fully drawn FDY or pre-oriented POY polypropylene multifilament yarn, plant design for 6 ends/pos.
    4. Plant design preparation for PET POY multifilament spinning if decided at a later time; the required conversion parts are listed on page 10 pos. 6.
  2. Line Configurations
    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; 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. Line C: 1 extruder for 1 position FDY/POY 6 end spinning.
  3. Approximate Possible PET POY Production After Conversion
    1. Final denier 75/24, POY denier 125/24, 8 ends/pos., take-up 3200 m/min, capacity with 96% efficiency for 2 positions 16 ends: 41 kg/h, 0.99 t/day 24 h.
    2. Final denier 125/72, POY denier 205/72, 8 ends/pos., take-up 3200 m/min, capacity with 96% efficiency for 2 positions 16 ends: 67 kg/h, 1.61 t/day 24 h.
  4. Technical Plant Layout Data
    1. Number of POY production lines: Line A 2 pos. 8 ends/pos., Line B 1 pos. 6 ends/pos.
    2. Pitch between positions: 1130 mm.
    3. POY denier program: as specified under position 1.1 and 1.2.
    4. Number of FDY/POY production lines: Line C 1 pos. 6 ends/pos.
    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-Tron, dosing range masterbatch 2-8%, additives 1-5%; capacity of dosing unit 1.6-150 g/min = 0.1-9 kg/h; max. deviation up to 100 g + 0.5 g over 100 g + 0.5% of the dosing value.
    10. Spin finish pump size and rpm layout range: Line A 16-stream pump 16 x 0.08 cirf/rev., rpm range 8 to 50; Line B and C 12-stream pump 12 x 0.16 cma/rev., rpm range 8 to 50.
    11. Quench air unit: min. temp. layout 16°C, humidity 70%, quench air capacity 14,000 m/h for 4 positions.
    12. Dowtherm boiler layout: temperature 330°C.
    13. Number of godets per position: 2.
    14. POY Line A and B: godet speed layout 1500 to max. 3500 m/min, godet dia. and length 120 mm diameter, 1200 mm length, godet surface LC 4 surface, 7.5 surface roughness.
    15. FDY/POY draw-take up machine: godet no. 1 heated and motor driven idler roll, max. speed sufficient for FDY process 4000 m/min; godet duo heated godets no. 2+3, max. speed 4000 m/min; upper take up godet no. 3 non heated, max. speed 4000 m/min.
    16. Number of automatic take-up winders: 4, type WITRAS, speed layout 1800 to 5000 m/min.
    17. 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.
    18. 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.
  5. Scope of Delivery
    1. Description of the scope of delivery with spinning line design for parallel spinning.