Synthetic or natural fibre yarn dyeing apparatus - has horizontal vat arranged as vacuum chamber connected to vacuum pump to reduce dyeing time at temp. up to 100 degrees Celsius

摘要

Yarn dyeing appts. having a horizontal vat with recirculated dyeing liquor using a pump is arranged as a vacuum vessel which is connected to a vacuum pump. Appts. is provided with a dyeing device which is interconnected with the base of the vat through the intermediary of the heat exchanger and a filter. The vat is provided with yarn tow conveying rollers, which force the tow through the annular nozzles of the dyeing device. Used of dyeing natural or synthetic yarns of homogeneous or heterogenous fibres. Dyeing may be carried out at temp. is not 100 degrees C at reduced processing periods.