Mixing device for mixing a low-viscosity fluid into a high-viscosity fluid
AssigneeSulzer Chemtech AG
InventorsFelix Streiff, Andreas Walder, Arno Signer
Life of this patent
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Abstract
A mixing device for mixing a low-viscosity fluid into a high-viscosity fluid comprises the following parts: a main line for carrying the high-viscosity fluid and having inbuilt static mixing units of a main mixer; a branch line for a branch flow which is routed from the main line to the inlet of the main mixer, the main line and branch line of the main mixer being constructed from pipe sections with essentially parallel axes; a pump located in the branch line; a static auxiliary mixer at the end of the branch line; and a nozzle at the inlet to the auxiliary mixer for feeding in the low-viscosity fluid.
Claims7
A mixing device for mixing two fluids of differing viscosities comprising:
- a main line that includes a main mixer that includes at least one inbuilt static mixing unit, an inlet, and an outlet;
- a branch line routed from the main line consisting of a pump and a static auxiliary mixer that includes at least one inbuilt static mixing unit, an inlet, and an outlet, wherein the outlet of the branch line lies within the main line so that a main flow encircles the outlet of the branch line;
- wherein the main line and the branch line are constructed of nested pipe sections whose central axes are one of either coaxial or substantially parallel and eccentric;
- and
- wherein the distance between the outlet of the static auxiliary mixer and the inlet of the main mixer is smaller than twice the diameter of the inbuilt static mixing unit of the static auxiliary mixer.
Dependencies are inferred from the claim text.