Abstract: Based on studying the technology and analyzing the structure of bast fiber separation and washing machine and comparing the performance of new and old degumming machines, the paper draws the conclusion that separation and washing machine can not only improve bast fiber degumming efficiency and product quality, but also reduce labor intensity and improve working environment and it is worth being popularized in bast fiber production.

Key words: bast fiber degumming; separation and washing machine; structure; technological study; compare