Description Overview Usage condition: 220 volts, 3-phase, 60 or 50 Hz, three-phase five-wire system Raw material: Polypropylene chips (special melt-blown material, MFR 1500 to 1800) Finished product specification: Product effective width 1600 mm (range of GSM: 25 to 150 g/m²) Maximum output: 1000 to 1200 kg per 24 hours Maximum winding diameter: 600 mm Mechanical speed: 25 to 50 meters per minute Installed capacity: 500 kW (actual consumption is approximately 60%) Air pressure: 0.5 to 0.7 MPa Cooling water: 5 m³/hour at 20°C, 2.5 m³/hour at 10°C, 5 m³/hour at 20°C or 2.5 m³/hour at 10°C Supply List Single screw extruder Screen changer Melt pump Melt-blown mold Air heating system Net forming machine Electret processing equipment Winder Cutting device Electronic control system Blow and exhaust system Single Screw Extruder Material: 38CrMoAlA Nitride layer thickness: 0.5 to 0.7 mm Screw hardness: HV ≥ 740 Barrel material: HV ≥ 940 L/D: 30:1 Screw diameter: 90 mm Heating method: Ceramic heating Heating zones for barrel: 6 zones Total heating power: About 40 kW Temperature control: PID control Drive motor: AC motor Inverter: Inovance Drive power: 45 kW Gearbox origin: Hardened gear Screen Changer Type: Double position screen changer Drive: Hydraulic drive, manual control Heating: Stainless steel heating rod Hydraulic equipment: Equipped with hydraulic station (highest pressure 16 MPa) Melt Pump Structure: Gear pump Pump drive connection: Universal shaft connector Drive: Gear motor Motor power: 4 kW Inverter: Inovance Pressure transducer: Before pump pressure transducer with Italian Gefran, before screen and after pump with Zhaohui/Ziasiot Melt-Blown Mold Type: Clothes hanger type, discharge vertically downward The size of mold: 1750 × 200 × 350 mm T-die material: Alloy steel Designed pressure: 25 MPa Heating method: Heating rod Heating power: 40 kW Spinneret plate: 1 piece Type: Fine-hole jet + double air knives stretch Hole opening length: ≥ 1750 mm Air Heating System Heating furnace body type: Tube type Furnace material: Stainless steel welding parts Heating power: 240 kW Heating rod: Stainless steel fin Heating voltage: 220 volts Thermal insulation: Silicate composite thermal insulation material Pipeline material: Seamless stainless steel Pipeline thermal insulation: Exterior surface need to be covered with insulation material Electret Processing Module Structure: High voltage corona charge or molybdenum wire discharge Voltage level: 60 kV Processing width: 1600 to 1800 mm Input voltage: 220 volts, 60 or 50 Hz Winder Structure: Friction winding Roll surface treatment: Hard chromium plating Diameter of the paper tube: 76.2 mm (3 inches) Driving method: Passive driving of friction roller Cutting Device Blade form: Disc Motivated or not: Motivated Electronic Control System Operating method: Siemens PLC Inverter: Inovance Contactor: CHNT Relay: CHNT Low voltage circuit breaker: Delixi Air switch: CHNT Blow and Exhaust System Roots blower flow: ≥ 25 m³/minute Roots blower pressure: 0.7 MPa Roots blower power: 90 kW Exhaust fan air volume: ≥ 25 m³ Exhaust fan power: 75 kW Other Auxiliary Equipment Calciner Φ800 × 2000 Ultrasonic