NWT spunbond production technology and equipment introduction and polypropylene polyester production steps

NWT spunbond production technology and equipment introduction NWT spunbond process and equipment are provided by Italy NWT company. The current equipment of this process is suitable for processing 15~1000g/m? non-woven products with a width of 2.4~5.4m. It adopts a 120mm screw extruder, air-flow slitting drafting system, wire laying, hot rolling or needle-punching method. Due to the low investment of NWT equipment, it is easy to repair and clean. In the 1980s and 1990s, my country introduced more spunbond non-woven fabrics in the early development stage. NWT spunbond non-woven fabric production equipment is mainly composed of feeding system and drying system. It is composed of screw extruder, spinning box, air drafting device, spinning device, net forming machine, hot rolling bonding or needle punching uniting equipment and slitting and winding machine. This process is mainly divided into polypropylene (PP) and polyester (PET) production in design. Production of PP products: PP chip-air conveying-pre-spinning hopper-melt extrusion-melt filtration-spinning, cooling, drafting-split web-laying-hot rolling (or needling) consolidation-slitting and winding-finished products Production of PET products: PET chips, a hopper, a vibrating screen, all the pieces are dried, a hopper before spinning, a melt extrusion spinning, a cooling, drawing, a sub-screening, a hot rolling (or needle punching) consolidation, a slitting and winding, a finished product .