Polyester Staple Fiber Production Line History
Introduction of PSF Production Line
Process flow of polyester spinning line from bottle flakes or chips
Polyester bottle flakes or chips – Heated and dried-hopper-Screw extruder –Melt filter – Spinning beam –Metering pump-Spinning packs –Quenching system-Spinning tunnel- Take-up machine – Capstan – Traverse machine (fiber cans)
Process Flow of Polyester After-treatment Line (Toyobo process route)
Creel – Prefeed Module (5 rollers + 1 immersion roller) – Immersion Bath – Immersion Roller – Draw Stand 1 ( 5 rollers + 1 immersion roller) – Draw Bath – Draw Stand 2 (5 rollers + 1 immersion roller) – Steam Heating Box – Draw Stand 3 (12 rollers) – Annealer (5 rollers) – Oiling Stacker – (Trio – Tension Roller) – Pre-crimper Heating Box – Crimper – Cooling Conveyor (or Tow Plaiter – Dryer) – Oil Sprayer – Tension Stand – Cutter – Baler
Process Flow of Polyester After-treatment Line (Fleissner process route)
Creel – Prefeed Module (7 rollers) – Immersion Bath – Draw Stand 1 ( 7 rollers ) – Draw Bath – Draw Stand 2 (7 rollers) – Steam Heating Box – Annealer (18 jacket rollers) – Cooling Sprayer – Draw Stand 3 (7 rollers) – Tow Stacker — Trio – Tension Roller – Pre-crimper Heating Box – Crimper — Tow Plaiter – Dryer – Tension Stand – Cutter – Baler
Fiber Index (For Reference)
No. |
Items |
Solid Fiber |
Mid Fiber |
Wool Type |
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High-Tenacity |
Normal |
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Best |
Grade A |
Qualified |
Best |
Grade A |
Qualified |
Best |
Grade A |
Qualified |
Best |
Grade A |
Qualified |
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8 |
Number of crimp /(pc/25mm) |
M2±2.5 |
M2±3.5 |
M2±2.5 |
M2±3.5 |
M2±2.5 |
M2±3.5 |
M2±2.5 |
M2±3.5 |
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9 |
Crimp ratio/% |
M3±2.5 |
M3±3.5 |
M3±2.5 |
M3±3.5 |
M3±2.5 |
M3±3.5 |
M3±2.5 |
M3±3.5 |
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10 |
Shrinkage at 180℃ |
M4±2.0 |
M4±3.0 |
M4±2.0 |
M4±3.0 |
M4±2.0 |
M4±3.0 |
M4±2.0 |
M4±3.0 |
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11 |
Specific resistance /Ω*cm ≤ |
M5×108 |
M5×109 |
M5×108 |
M5×109 |
M5×108 |
M5×109 |
M5×108 |
M5×109 |
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12 |
10% enlongation / (CN/dtex) ≥ |
2.8 |
2.4 |
2 |
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13 |
Variation of break strength /≤ |
10 |
15 |
10 |
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13 |
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