In the world of tea production, the quest for efficiency and quality is unending. A recent study published in *Chaye kexue* offers a promising breakthrough in addressing a longstanding challenge: the dispersion of fresh tea leaf agglomerates. Led by JIA Jiangming and colleagues from Zhejiang Sci-Tech University, the research introduces a novel device that leverages cross airflow to disperse clumped tea leaves, potentially revolutionizing the sorting process and boosting productivity.
Fresh tea leaves are notoriously prone to agglomeration, a phenomenon that hampers sorting efficiency and compromises the quality of the final product. The team’s innovative device, comprising components like a conveyor belt, air nozzles, and photoelectric sensors, aims to tackle this issue head-on. By employing computational fluid dynamics (CFD) and discrete element method (DEM) simulations, the researchers optimized the device’s parameters to achieve superior dispersion.
“We wanted to create a system that could effectively break down these agglomerates without damaging the leaves,” explained lead author JIA Jiangming. The device’s design was meticulously refined through a series of experiments, with the optimal configuration yielding a dispersed leaf area of 0.343 m²—nearly double that of untreated leaves. This significant improvement translates to a 50.6% increase in the percentage of fresh tea leaf area, a metric crucial for accurate sorting.
The commercial implications of this research are substantial. Tea producers stand to gain from enhanced sorting efficiency, reduced waste, and ultimately, higher-quality tea. “This device provides ideal pretreatment conditions for subsequent accurate sorting,” noted co-author SHEN Yifan, highlighting its potential to streamline production lines and elevate industry standards.
The study’s findings not only offer a practical solution to a persistent problem but also pave the way for future advancements in agricultural technology. As the team continues to refine their device, the broader applications of cross airflow dispersion in other agricultural sectors could be explored, potentially benefiting a wide range of crops.
With the lead authors affiliated with the School of Mechanical Engineering at Zhejiang Sci-Tech University and the Key Laboratory of Agricultural Intelligent Perception and Robotics of Zhejiang Province, this research underscores the importance of interdisciplinary collaboration in driving agricultural innovation. As the tea industry continues to evolve, such technological advancements will be crucial in meeting the demands for quality and efficiency.

