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TVP 2S : Equipment for saturated steam continuous heat setting of carpet yarns

Equipment for saturated steam continuous heat-setting of carpet yarns, the TVP/2S line develops the volume of the yarns and makes sure that the new properties obtained from the twisting or the friezing remain permanent. The yarns are set at a high temperature.

A heat-set yarn in a wall to wall carpet is a guarantee that the velvet aspect will last because it reinforces its resistance to upsetting deformation and to plunger puncture, its resistance to wear, its dyeing affinity, its dimensional stability and its design. The yarn tips are "individualised" on the surface, which gives the velvet a particular grained aspect.

SUPERBA's carpet yarns continuous heat-setting equipment sets all kind of fibbers used to manufacture wall-to-wall carpet: synthetic fibbers (polyamide, acrylic, polyester, polypropylene...), a natural fibber (wool) and various mixings. Heat-set yarns are used to manufacture a lot of different velvet structures of wall-to-wall carpets, ranging from traditional velvet to Shag and Saxony velvet. The heat setting of carpet yarns is a necessary process if you want to obtain a high quality woven or tufted carpet.

Advantages of the process

  • a 250 mm spiral coiling head for an increased production
  • computerised heat-setting (one hundred textile programs can be stored, ...)
  • ease of use and maintenance at the least cost
  • versatility and flexibility (all fibbers, all styles, all dyes, ...)
  • quick pay back
  view the synoptik

Running features

A central processing unit (ARG/M) computerises, regulates, and manages the operation of the TVP/2S line. One hundred available textile programmes guarantee an absolute treatment repeatability without attendance.

The heat-setting line is fed in continuous by a creel equipped with working and reserved bobbins. Each yarn is individually controlled by an electronical detector of moving located on the creel. The beam formed by 24, 36 or 48 yarns is laid in parallel oval spires by a screw laying head (DAV/2S) on a perforated stainless steel conveyor belt without end.

The fleece of yarns is first processed in the pre-steamer (HEP). With the dynamic steam under atmospheric pressure the fibbers draw back which gives the whole removal an ideal and regular swelling.

The fleece then goes in a cooler (RTV HE) before entering the under pressure heat-setting tunnel.

In the heat-setting chamber with pure saturated steam under pressure at a high temperature (up to 150 °C), the yarn undergoes a thermic shock, which results in setting permanently the curling, the twist, the volume and the molecular structure of the fibbers and the yarns.

A device of steam flotation (CBS) forces the steam to cross the fleece of yarns, which is a guarantee of a homogeneous and an uniform/regular treatment in the removal.

The fleece of heat-set yarns crosses a dryer (STV/2S) and a cooling chamber (RTV HE) before being unwounded and stored in an accumulator (MAT/2S). Les fils sont séparés puis repris en bobines coniques ou cylindriques sur un bobinoir à levée automatique (B400). The yarns are first separated and then are taken-up onto conical or cylindrical bobbins with an automatic doffing winder B401. The accumulator is a plug between the heat-setting line and the winder as it prevents from stopping the line during doffing.

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