Production method of continuous spinning viscose fiber with Z-shaped section

The invention relates to the field of viscose fiber production process, and discloses a production method of Z-shaped section continuous spinning viscose fiber, which comprises the following steps: designing the shape of a spray orifice of a spinning nozzle to be Z-shaped, the width of the spray orifice to be 0.04-0.045 mm, and according to different spinning varieties, setting the ratio of the total length to the width of the spray orifice to be (30-70): 1, the production method comprises the following steps: spraying a viscose stock solution into an acid bath through a spinning nozzle, reacting to generate a nascent filament, forming the filament in the acid bath, stretching and forming the nascent filament at a certain spinning speed, and winding the nascent filament into a barrel through a winding system to finally obtain the regenerated cellulose fiber with the Z-shaped section. The prepared regenerated cellulose fiber with the special-shaped section not only has the characteristics of smoothness, coolne