Page 46 - TEXtalks. November- December 2023
P. 46

46
                      Mesdan Mini-spinning, new



                    lab-scale Shredding machine




                           and recycling in textiles


















       Italain Review  Given the announced community directives that will   Mesdan spinning and textile recycling flowchart




                   Mesdan's small-scale Shredding machine
                                                              The novelty that Mesdan presented at the ITMA 2023
            soon impose in many countries the reuse of
                                                              in Milan is the laboratory scale Shredding machine.
            resources and the reduction of waste, the circular
            economy and recycling are topics of very high
            interest nowadays, with increasingly widespread   The machine is characterized by versatility, flexibility
                                                              high performance, thanks to the possibility of
            applications in all industries, but above all in the   customizing and saving the different settings,
            world of textiles.                                modifying the machine's working parameters (work
                                                              cylinder rotation speed, product feeding speed, and
            The Mesdan Mini-spinning line, in addition to its main   suction of the finished product).
            function (teaching, R&D, sampling), is increasingly
            contemplated as an integral part of recycling     A "standard" mechanical recycling process can be
            projects. Apparel manufacturers and famous brands,   simplified as follows:
            R&D laboratories, and new startups are showing    - selection and sanitization of the textile to be
            great interest in the Mesdan lines for either laboratory   recycled,
            or small production purposes, for the recycling of old   - removal of non-textile parts (metal or plastic parts,
            cloths, fabrics, and yarn waste as well as the    such as buttons, zippers, etc),
            recovery of valuable waste fibers.                - cutting of incoming material and Shredding,
                                                              - fiber mixing (with the possible addition of other
            In recent years, various research institutes around the   non-recycled fibres) and carding,
            world have included the Mesdan Mini-spinning line in   - drawing plus spinning to obtain the final product
            their textile recycling projects. The required    (yarn with desired % composition, count, and tpm)
            equipment for this kind of assessment includes the
            card with the attached sliver web condenser, the   With a production capacity of approximately 1kg/min
            drawing frame with the flyer for better resistance and   (60kg/h), the laboratory Shredding machine is also
                                                              contemplated with interest as a stand-alone recycling
            uniformity of the roving, and the ring spinning   tool, by medium-sized companies, for applications
            machine. Some have completed the line with the    not necessarily aimed for reuse in spinning mills, but
            addition of machines for the production of twisted   for different technical applications, such as
            yarns (assembly winder, twisting machine) or a    non-woven, thermal/acoustic insulation materials,
            knitting machine, all on a lab scale.             padding, etc.

               November/December 2023
   41   42   43   44   45   46   47   48   49   50   51