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NovaStar, NN457, SMS Composite Non-Woven Production Line, 2400mm, 3500 Tons/Year (New)

NovaStar, NN457, SMS Composite Non-Woven Production Line, 2400mm, 3500 Tons/Year

Description

  1. Overview
    1. This equipment is used for the production of nonwoven fabrics that are spun into polypropylene and hot-rolled.
    2. The main raw material is polypropylene, supplemented with masterbatch and additives such as anti-oxidation, anti-pilling, flame retardant, etc., to produce polypropylene spunbond hot-rolled non-woven fabrics with different colors, different properties and suitable for different uses.
    3. This production line can produce both two-layer SS polypropylene products and three-layer S-M-S products.
  2. Process Flow
    1. Additives (recycling) → feeding → melt extrusion → filtration → metering → spinning → cooling → air drafts → feeding → melt extrusion → filtration → metering → spinning → hot air drafting → cooling → netting → hot rolling reinforcement
    2. Feeding → melt extrusion → filtration → metering → spinning → cooling → air drafting → rolling → slitting
  3. Main Technical Parameters
    1. Spunbond spinning section
      1. Slicing requirements: spunbond chip melt index: 30 to 40 g / 10 min, the fluctuation range of each batch melt index does not exceed 1%.
      2. Melting point: 166 ℃
      3. Ash: <0.15 to 0.25%
      4. PP spinning masterbatch and additives
      5. The width of finished cloth is 1650 mm
      6. Monofilament fineness: 1.5 to 2.5 denier
      7. SS finished cloth specifications 10 to 80 g/m2
      8. Weight deviation: SS finished cloth CV value is less than 6%
      9. Screw specifications: Φ150 x 32
      10. Cooling air flow: about 2 x 12000 m3/h
      11. Suction air volume: about 2 x 20000 m3/h
      12. Mould: 2
    2. Meltblown spinning section
      1. Meltblown section melt index 1600 to 1800 g/10 min
      2. Finished fabric width: 2450 mm
      3. Screw specifications: Φ135 x 30
      4. Suction air volume: about 20000 m3/h
    3. SMS production line
      1. Finished fabric width: 2450 mm
      2. SMS product finished cloth specifications 20 to 100 g/m2
      3. The annual output of SMS products is 3,500 tons (for finished fabrics of more than 20 g / m2, 7200 per year hour meter)
      4. Combined machine maximum mechanical speed 350 m/min
      5. Combined machine process speed 20 to 280 m/min
      6. Installed capacity: about 2300 kW
  4. Main Parameters and Description of Equipment
    1. Storage bin
      1. Effective volume 0.6 m3
      2. The main material is stainless steel.
    2. Three-component suction and metering device
      1. Component 1: adding ratio 2 to 10%
      2. Component 2: adding ratio 0.5 to 3%
      3. Component three: main material suction; maximum suction capacity: maximum 480 kg / h
      4. Including: main material suction vacuum pump, three-component feeding hopper and three-component measuring device, etc.
    3. Spunbond screw extruder
      1. Uses: this device is mainly used to squeeze and melt polypropylene chips.
      2. Screw specifications: Φ150
      3. Aspect ratio: 33
      4. Maximum extrusion: 350 kg/h
      5. Screw speed: 10 to 70 r/min
      6. Screw drag power: 90 kW
      7. Screw heating power: 84 kW
      8. Screw heating zone: district 7
      9. Equipped: material valve switch
      10. With feed inlet, equipped with automatic temperature control, cooling system and alarm system. The main drive incorporates AC frequency conversion control. The temperature control of each zone incorporates RKC series temperature control instrument, solid state relay, PT100 platinum thermal resistance to form a temperature control closed loop system.
    4. Spinning machine
      1. Usage: the melt squeezed and melted is sent to the spinning box by a metering pump through a filter and a melt pipe and is spun out of the spinning assembly.
      2. Melt filter type: cylindrical
      3. Filtration accuracy: 60 um
      4. Filter diameter: φ 150 mm
      5. Pump supply of metering pump: 200 cm3/r
      6. Number of metering pumps: 1 set
      7. Heating power of spinning die: 18.8 kW
      8. Heating zone: 13 zone
      9. Single suction device: 2.2 kW; drag motor power: 2.2 kW; wind pressure: 1160 Pa; flow: 2476 m3/h
      10. Material of spinneret and distribution board: heat-resistant stainless steel
      11. Heat-resistant stainless steel: 8572 - Φ0.5
      12. Aspect ratio: 5:1
      13. Including: melt pipe, cylindrical switching filter, metering pump and its drive, spinning die head and thermal insulation, monomer suction, spinning components, etc. Equipped with automatic heating and heat preservation system and net (refer to filter screen) pressure display control system. Install a static mixer in the melt pipe.
      14. A single hanger type spinning melt distribution cavity is used. The spinning melt distribution cavity is made of heat-resistant stainless steel. A metering pump is used for melt conveying and metering.