The Development of Lingnan Hakka "Dun Tou Lan" and Innovative Design of Cooking Technology

. Dun Tou Lan dye is a natural and synthetic polymeric slurry that utilizes viscous action. The traditional cooking process of Dun Tou Lan dyeing and weaving is mostly manual stirring operation and extraction with dacquoise leaf plant dyes, the original manual extraction method greatly reduces the extraction efficiency of the dye. This study added some innovative research, has changed to mechanical automatic stirring to enhance its cooking efficiency, the use of rotary joint stirring design, does not affect the stirring Dun Tou Lan dyeing slurry at the same time, to achieve the rotary feeding of additives, multiple additive injection, innovative stirring shaft and stirring fan blade feeding can make the slurry and additives fully mixed, while stirring additive, to enhance the uniformity of additive feeding, and thus The innovative stirring shaft and stirring fan blade feeding can make the slurry fully mixed with additives, add additives while stirring, improve the uniformity of additives feeding, and thus enhance the mixing speed of additives and slurry, reduce the cooking time and improve product quality.