Agitated tank with improved homogeneity bubble distribution and method thereof
OwnerJavier DÁVILA MARTÍNinventor
Life of this patent
Estimating the term…
Abstract
The present invention refers to an agitator tank for the homogeneous distribution of bubbles in a liquid. The agitator tank comprises a liquid container 100, a gas injection system 120, at least one impeller 130, 140 and at least one baffle 150. The at least one impeller is rotatable about at least one axis of rotation and comprises one or more blades extending to a maximum distance R from the axis of rotation of the corresponding impeller. One or more impellers of the at least one impeller are shaped and oriented to induce axial flow of the liquid towards the gas injection system and the minimum distance of the at least one baffle to at least one axis of rotation is at most 1.2 R of any of the at least one impeller.
Claims25
An agitator tank for the homogeneous distribution of bubbles in a liquid, comprising:
- a liquid container (100) comprising a first and a second end (110, 112) defining the axial ends of the container (100) and one or more sidewalls (115) extending between the axial ends,
- a gas injection system (120), located proximal to the first end (110) of the container (100),
- at least one impeller (130, 140) rotatable about at least one axis of rotation (160) and comprising one or more blades (130a, 130b, 130c, 140a, 140b, 140c) extending to a maximum distance R from the axis of rotation (160) of the corresponding impeller (130, 140),
- at least one baffle (150) axially displaced from the at least one impeller (130, 140) and fixed relative to the container (100) at an orientation for reducing azimuthal flow (155) generated by the at least one impeller (130, 140);
- wherein one or more impellers of the at least one impeller (130, 140) are shaped and oriented to induce axial flow (145) of the liquid towards the gas injection system (120) and the minimum distance of the at least one baffle (150) to at least one axis of rotation (160) is at most 1.2 R of any of the at least one impeller (130, 140);
- and
- wherein the maximum diameter of the one or more impellers of the at least one impeller (130,
- 140. that are shaped and oriented to induce axial flow (145) of the liquid towards the gas injection system (120) is equal or lower than 0.75 times the square root of the vessel section perpendicular to the axis at the at least one impeller (130,140) level.
Dependencies are inferred from the claim text.