At the feeding part,wet cake pigment will be extruded into noodles by extruder.Noodles will be dried continuously by belt drier.

Close-type flow belt drier (single-level), special for pigment.

The pigment will spread on the conveyer belt after be extruder. The transfer belt passes one or several channels which consist of heating units. Each heating unit is equipped with air heating and circle system and each channel has one or several dehumidification system. When the conveyer belt passed, hot-air passes through raw materials from up to low or from low to up to make them dry evenly.

Pigment mesh belt dryer