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

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Barmag, 9E10 / 7E10, 1998, Complete PA 6 FDY Spinning and Extrusion Plant, 9400 kg/24h Capacity

Description

  1. Overview
    1. Complete spinning and extrusion plant for the production of PA 6 H4S polyamide multifilaments FDY (nylon 6).
    2. With possibility of production FOY and POY.
    3. Year 1998-1999.
    4. 44-67 dtex range yarn-count; production capacity for medium count yarn.
    5. At 56 dtex: 9,400 kg per 24 hours.
  2. Inventory
    1. Inventory number: E-3928.
  3. Raw Material Handling
    1. Two silos for chips storage, complete with electronic and manual valves and electronic deviators, for transportation of chips in nitrogen gas pressurized; plus two mini-silos for emergency feeding of chips from big-bag.
    2. Pneumatic transportation of chips inside nitrogen gas by two Delta-Screw air compressors complete with dryers and condensers.
    3. Small chips-feeding silos with electronic sensor for temperature and humidity control: two per extruder on each line.
  4. Extruders
    1. Barmag Polimer's extruders model 9E10 and 7E10; effective screw length 24xD; extrusion height 500 mm and 420 mm; granulate feeding housing water cooled; sealing for nitrogen pressure of max. 90 mm water column; nitrated surface; LTM pin mixer nitrated surface; total installed cylinder heating capacity 31 kW and 21.3 kW; total installed fan capacity for cylinder cooling 0.9 kW (48.7 m³/min) and 0.27 kW (21 m³/min); chips temperature at extruder outlet 20°C; melt temperature at extruder outlet ≥270°C; melt viscosity 100 Pa·s at 290°C; melt pressure at extruder outlet max. 180 bar; AEG asynchronous motor 49 kW and 34 kW, protection class IP44, protection sensor thermic switch-off.
    2. Line A: Barmag Polimer's extruder model 9E10, screw diameter 90 mm, production capacity optimized for 95-156 kg/h.
    3. Line B: Barmag Polimer's extruder model 9E10, screw diameter 90 mm, production capacity optimized for 95-156 kg/h.
    4. Line C: Barmag Polimer's extruder model 7E10, screw diameter 75 mm, production capacity optimized for 51-78 kg/h.
    5. Line D: Barmag Polimer's extruder model 7E10, screw diameter 75 mm, production capacity optimized for 51-78 kg/h.
  5. Melt Measurement
    1. Measuring head heating dowtherm-vapor, coarse filter in the filling heated: one per extruder.
    2. Dynisco melt pressure sensor type MDA 422, pressure range 0-350 bar, output signal 4-20 mA: two per measuring head.
    3. Melt temperature sensor type double Pt100 in 3-wire system: one per measuring head.
  6. Polymer Distribution
    1. Manifold polymer distributor, heating dowtherm vapor; total number outlets: line A direct 1 x spinning line with 12 outlets; line B direct 1 x spinning line with 12 outlets; line C direct 1 x spinning line with 6 outlets; line D direct 1 x spinning line with 6 outlets.
    2. Kenics polymer mixers, static type, total positions 42; line A: two behind the first distributor and one every arm of the manifold, 14 per line; line B: two behind the first distributor and one every arm of the manifold, 14 per line; line C: one in the main pipe and one every arm of the manifold, 7 per line; line D: one in the main pipe and one every arm of the manifold, 7 per line.
    3. Polymer valves freezing type, position welded in the arms of manifold; freezing unit operation with quick connector couplings with ball valve for air inlet and sound absorber for air outlet; freezing medium 6 bar compressed air; one unit per line.
  7. Spinning Heads
    1. Spinning heads type SP4B/6; one spinning head equals two spinning positions; bottom loading spinning heads with bent tube pump blocks to adapt self-sealing spin packs and planetary gear pumps as metering pumps with vertical pump drive; protective gas blanketing provided; connection to manifold with flanged for polymer, welded for dowtherm vapor heated; operating temperature max. 319°C (592.15 K), max. 2.5 bar over pressure; metal sheet covered insulation; stuffing material rock wool with diamond spinnerets.
    2. Line A: 12 x 6 spinnerets.
    3. Line B: 12 x 6 spinnerets.
    4. Line C: 6 x 6 spinnerets.
    5. Line D: 6 x 6 spinnerets.
  8. Melt Pressure and Temperature Sensors
    1. Dynisco melt pressure sensor before melt pump type MDT4624, pressure range 0-200 bar, output signal 4-20 mA, arrangement before spinning pump at first spinning position counted from left hand side of machine: one per line.
    2. Combined pressure/temperature sensor between spinning pump and spin pack, Dynisco type TDT 4634, including single Pt100/3 wires, pressure 0-500 bar, temperature range 0-350°C, output signal 4-20 mA, behind spinning pump at first spinning position counted from left hand side of machine: one per line.
    3. Sensor for dowtherm temperature, type double.