Craft Process: PET dryer---Mixer---SJ90/30 single-screw and double-degas extruder---mould---cooling water tank---drying system---pelletizer---air conveyer---cyclone silo Parameter: 1. PET dryer 1) Material charging capacity: 200kg 2) Material: stainless steel 2. PET mixer 1) motor power: 1.5KW 2) Material charging capacity: 100kg 3) material: stainless steel 3. SJ90/30 single-screw and double degassing extruder 1) screw diameter of the extruder: φ90 2) L/D=30:1 3) Motor power: 37KW 4) Motor style: speed regulator with inverter 5) The gearbox is special hard teeth surface gearbox. The materials of the gear, bearing and other appendix are high-strength alloy steel. The gear is with hardening, carbonizing, and grinding treatment. The precision of gear is GB10095-88-6 grade. Hardness of the teeth surface is HRC54-62. 6) Electrical components: temperature control meters are Japanese RKC meter, contactor is SIEMENS product. 7) Power of vacuum pump: 2.2 KW 8) Pre-heating heater: cast-aluminum heater with cover made of stainless steel. Air cooling. 9) Heating power: 5 groups of heaters, power of each group is 7KW, total power is 35KW. 4 groups of air cooling, power of cooling blower is 0.37×4 groups. 10) Heater of mould: 1 group × 4 KW, total power: 4KW 11) Output: 120-180kg/h 4. Hydraulic screen changer 1) motor power: 2.2KW 2) automatic screen changing structure 5. Mould is with 45# forged, hardening and tempering, etc. treatment and precision finished. 6. Water cooling tank 1) material of water tank and shaft: stainless steel 2) material of direction engraved roll: PA 3) water temperature and water level are automatically controlled 7. Drying system 1) blower power: 2.2KW 2) blowing blade is made of stainless steel 8. Pelletizer 1) motor: 4KW frequency speed controlling motor 2) speed regulator with inverter 3) quantity of the cutter: multiple-blade rotating cutter: 1 hold, fixed cutter: 1 hold 9. Air conveyer 1) blower power:3KW 2) hopper, air conveying channel, and injector are made of stainless steel 10. Product cyclone silo 1) material of silo: stainless steel 2) the degassing mouth is with filtering system