The Double Acting Axial Flow Turbine type AST-MTE mixing element
Operation of an AST-MTE Element
This element can be used in both CW (clockwise) and CCW (counterclockwise) directions. In one case, the inner AST element is downward-pumping with the outer tips pumping upward, and in the other case, it’s the opposite.
This element is highly effective when dealing with a viscous fluid (often with higher density) into which a thin fluid with lower density needs to be mixed.
Examples
- Dye/water in wall paint (latex) to bring product to specification
- Small amount of water in cold fruit (orange) concentrate to achieve the correct Brix number for customer delivery
- Solvent in primer paint to achieve the correct dry solids content
In summary: thin, light fluid into thick, heavy fluid.
Technical Operation
It all starts with a pitched blade mixing turbine as often used in mixing and blending processes. However, in some cases a pitched turbine alone is not always capable of mixing the thin fluid with the thick fluid, therefor sometimes ending us with the thin fluid remaining as a pocket around the turbine mixing element.
Thus, by adding inversely pumping tips on each of the pitched turbine blades, good interaction is achieved between the thin fluid and the bulk fluid at the blade tips, enabling transport of the thin fluid inwards towards the thick fluid. In this configuration, the inner mixing blade is pumping downward and the outer mixing blade is pumping upward.
In more heavily cases where more flow across the bottom of the tankvessel is required (for example, with solids or stagnant zones in the extreme corner), the pumping direction (or configuration or rotation direction) can be reversed to achieve an even better result.
It’s conceivable that some processes require both directions, which can be easily achieved by reversing the direction of rotation.
Key Advantages
- Fast mixing
- Moves smoothly through the fluid surface
- Operates stably
- Simple construction
Benefit;
This turbine requires hardly any more power intake if compared to the genuine axial flow turbine Mixing Element.
Is this worthwhile for you process optimization? Give it a try!
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Or visit: www.jongia.com
Frequently Asked Questions
What is the purpose of the Double Acting Axial Flow Turbine?
The Double Acting Axial Flow Turbine is designed to provide efficient mixing of fluids, enhancing processes like starch gelatinization. It utilizes axial flow for effective blending and is particularly useful in applications requiring a reliable mixing element.
How does the heating process work in the starch gelatinization tutorial?
The heating process involves using a heating coil to heat the starch-water mixture until it becomes a gel, after which enzymes are added to convert the mixture into glucose, showcasing a practical application of the turbine.
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