Customized DWC PVC Pipe Extrusion Line Heating & Cooling System

Technical parameter

-- Screw hardness of screw HV>740

-- Barrel hardness of barrel HV>940

-- Material 38CrMoALA, nitriding handling

-- Barrel nitriding depth 0.4～0.7mm

-- Screw nitriding depth 0.3～0.6mm

-- Screw diameter 120mm

-- L: D 33:1

• Detailed technical information of Double-Wall Corrugated Pipe Extrusion Lines

1.0 Single Screw Extruder SJ-120/33 (3 sets)

Screw structure: Spiral barrier type screw with mixing section, which greatly improves the plasticizing quality and output; especially suitable for high-efficiency extrusion of materials such as PEPP, and has a wide range of material adaptability;

Barrel structure: Segmented, asymmetrical slotting barrel design, the feed inlet has a water cooling system with automatic temperature control, which greatly improves the conveying efficiency of the feeding section;

Gearbox: The gearbox adopts a vertical structure, the cooling method is forced circulating oil cooling, with a circulating water cooling system. High torque, low noise, hard-tooth surface gear, gear grinding process, heavy-duty thrust bearing;

Automatic feeder, dryer: Automatic feeder inductive design, with material shortage alarm function. The dryer adopts an integrated design of drying and storage, automatic temperature control and intelligent display with all stainless steel lining;

Temperature control: Imported PLC control system, dual PID parameter temperature control, temperature control accuracy ±1℃;

Heating & Cooling

-- Barrel heating zone 7 zones × 5kw

-- Barrel cooling 7zones×0.37kw

-- Barrel heating power 37.59kw

Driving

-- AC motor 250kw

-- Inverter ABB

-- Gear material 20CrMnTi,

-- Max. Out put 850kg/h

Photo of Double-Wall Corrugated Pipe Extrusion Lines