Fluid mixing apparatus

A static mixer, comprising

• a mixing chamber with
• an inlet mixing module at the top of said chamber, fluids to be mixed being fed into said inlet mixing module to undergo swirling and jet collision therein, least one intermediate mixing module connected to said inlet mixing module, receiving premixed fluids therefrom, and provided with means for splitting liquid flow into a plurality of jets with subsequent recombination of said jets and mixing action of vortices formed around said jets, and
• an outlet mixing module located at the bottom of said chamber, connected to said at least one intermediate mixing module, receiving further premixed fluids therefrom, and provided with means for swirling said further premixed fluids, a resulting mixture of said fluids being discharged from said outlet mixing module,
• wherein said inlet mixing module includes a main body defining a chamber with an inlet for a first fluid, an inlet for a second fluid, and an outlet, and a first conduit and a second conduit for supplying said second fluid to said chamber, said first conduit and said second conduit being similar to each other, placed tangentially relative to said main body and offset relative to each other by 180°, a cross-section of said first and said second conduits decreasing toward said main body, said main body comprising a mixing head placed within said chamber and a conical distributor installed thereon, said distributor including curved chutes, and said mixing head comprising curvilinear vanes, installed therein and extending from a common center, and jets, the number of said chutes being equal to the number of spaces between said vanes, said chutes being in fluid communication with said spaces, and said jets outwardly tangentially projecting from said mixing head into said chamber at zones adjacent to said spaces,
• wherein said means in said intermediate mixing module includes at least one plate with orifices to divide said premixed fluids into jets to thus enhance mixing, axes of said orifices being perpendicular to a surface of said at least one plate, and
• wherein said means in said outlet mixing module includes a main body defining a chamber with an inlet for said further premixed fluids and an outlet, said main body comprising a mixing head placed within said chamber and a conical distributor installed thereon, said distributor including curved chutes, and said mixing head comprising curvilinear vanes, installed therein and extending from a common center, and jets, the number of said chutes being equal to the number of spaces between said vanes, said chutes being in fluid communication with said spaces, and said jets outwardly tangentially projecting from said mixing head into said chamber at zones adjacent to said spaces.

A static mixer, comprising

• a mixing chamber with
• an inlet mixing module at the top of said chamber, fluids to be mixed being fed into said inlet mixing module to undergo swirling and jet collision therein,
• at least one intermediate mixing module connected to said inlet mixing module, receiving premixed fluids therefrom, and provided with means for splitting liquid flow into a plurality of jets with subsequent recombination of said jets and mixing action of vortices formed around said jets,
• an outlet mixing module located at the bottom of said chamber, connected to said at least one intermediate mixing module, receiving further premixed fluids therefrom, and provided with means for swirling said further premixed fluids, a resulting mixture of said fluids being discharged from said outlet mixing module, and
• means for returning at least a part of said further premixed fluids from a zone between said at least one intermediate mixing module and said outlet mixing module back to said inlet mixing module.