B PERFORMING OPERATIONS; TRANSPORTING
B01 PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01F MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
25/00 Flow mixers; Mixers for falling materials, e.g. solid particles
B01F25/42 in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
B01F25/43 Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
B01F25/433 Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
B01F25/4331 Mixers with bended, curved, coiled, wounded mixing tubes or comprising elements for bending the flow