The fabric is fed on to the mesh type conveyor belt with a certain degree of overfeed. The conveyor carries the fabric into the drying chamber. Hot air blows from the top and bottom rows of nozzles, which are offset to each other. The fabric forms a wave pattern when air blows on it. The hot air evaporates the water in the fabric. A small portion of the vapour is exhausted out from the machine. A humidity controller monitors the humidity in the exhaust air to ensure an energy efficient system. Either steam or thermal oil can be used as the indirect heating medium whereas LPG or town gas can be used as a direct heating medium for the drying process. A pyrometer is installed in the outlet to monitor the fabric temperature to ensure no excessive drying and energy is effectively utilized. Dried fabric is normally plaited into a loading trolley.
If open width fabrics are fed into the machine it is spread open by scroll rollers. Tubular fabrics are stretched open in its tubular form by a free stretching device. Two or more ropes of tubular fabrics can be dried in parallel.
For the drying of open width or tubular fabrics in relaxed and tension free conditions
Type of Fibres
Cotton, polyester/cotton, polyamide (nylon), ramie, wool, linen etc.
Wovens, knitted goods in open width or tubular
Drying capacity: 190 - 1300 kg/hr