The double helix-type hollow fiber film device of the utility model has the advantages of high mass transferring efficiency, large feed liquid handling capacity and simple preparation and the like.
本实用新型设计的双螺旋式中空纤维膜器，具有传质效率高，处理料液量大，制备简单等优点。
2
The invention relates to a square hole-shaped grooving diversion type structured packing which can intensify the turbulent motion of a liquidfilm.