Spinning nozzles, devices with spinning nozzles, methods for producing hollow fibers or hollow fiber membranes with spinning nozzles, and filters

摘要

The present invention relates to a spinning nozzle (10) for extruding hollow fibers from one or more spinning materials, an apparatus comprising the spinning nozzle (10), and a method for extruding hollow fibers into a spinning nozzle (10). 10 is for each spinning material to be extruded and is an inlet port 12, 13, 14 for introducing the spinning material into the spinning nozzle 14, an outlet port for discharging the spinning material along the outlet axis A; And at least one spinning material flow channel for guiding at least one spinning material to be extruded from the inlet ports 12, 13, 14 to the outlet port, the at least one spinning material flow channel having an inlet and an outlet. A manipulator, the flow manipulator includes a flow guide structure 18, 19, 20 for affecting the spinning material flowing through the spinning material flow channel; The structures 18, 19, 20 are designed to affect the spinning material flow such that the spinning material flowing through the spinning material flow channel flows through the spinning material flow channel at least partially along at least two different flow paths. The flow path through the spinning material flow channel has a substantially same path length between the inlet of the flow manipulation section and the outlet port of the spinning material flow channel.