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Textile

Dryers for stocking and tights

Dryers for stocking and tights


 

Thanks to the ability of RF energy to penetrate thick and bulky products, stocking and tights, dyed and hydroextracted prior to - or after boarding and/or ironing, can be died efficiently and uniformly when laid on the conveyor belt of the dryer as loose dozens or directly inside the dye-bags. They remain stationary and completely relaxed until the drying process is completed. The product exits the dryer with the desired final moisture content (normally regain) and is cool enough to go immediately for packing. Being the RF heating phenomenon selective towards the wet areas, less evaporation is generated in the legs and more in the wetter, thicker areas (toes, welts, seams and waistcoat) resulting in a perfectly uniform drying of the whole product.

The ability to control accurately the water evaporation rate makes the use of RF drying beneficial not only for stocking and tights directly sent for packing and distribution, but also for products to be sent to boarding or ironing after dyeing. These operations can be carried out faster and more effectively when the product has an initial moisture content around 7-8%: such ideal moisture level can easily be achieved uniformly throughout the product by partial RF drying, starting from the usual 12-15% moisture content after centrifugal hydroextraction.

A wide range of dryer sizes is available to cope with any production requirement, from a few hundred dozens per hour (e.g. RF 10 kW model) to a few thousand dozens per hour (e.g. RF 60 kW model). 

 

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