Roben, Mfg, Inc. is a leading manufacturer of agitated vessels, specializing in the design, fabrication, and supply of high-quality vessels that meet the most stringent process requirements. With our expertise and state-of-the-art manufacturing facilities, we deliver reliable and efficient agitated vessel solutions for various industries and applications.
What is an Agitated Vessel? An agitated vessel is a container equipped with a mechanical agitation system designed to mix, blend, or maintain suspension of materials within the vessel. These vessels are crucial for processes that require uniform mixing, heat transfer, or prevention of settling in liquid-solid mixtures.
We utilize advanced computational fluid dynamics (CFD) software to optimize agitator designs and ensure efficient mixing performance.
1. How do I choose the right type of agitator for my process?
The choice depends on factors like fluid viscosity, mixing objectives (e.g., blending, suspension, gas dispersion), tank geometry, and process requirements. Consulting with an expert can help determine the optimal agitator design.
2. What are the common types of impellers used in agitated vessels?
Common impeller types include propellers, turbines (radial and axial flow), hydrofoils, and pitched blade turbines. Each type has specific mixing characteristics suited for different applications.
3. How does vessel geometry affect mixing performance?
Vessel geometry, including height-to-diameter ratio and bottom shape, can significantly impact mixing patterns and efficiency. Proper design ensures optimal flow patterns and prevents dead zones.
4. Can agitated vessels be used for high-viscosity fluids?
Yes, but they often require specialized impeller designs and more powerful drives. Close-clearance impellers or helical ribbon agitators are commonly used for high-viscosity applications.
5. What is the purpose of baffles in agitated vessels?
Baffles prevent vortexing and improve vertical flow patterns, enhancing overall mixing efficiency. They are typically used in low-viscosity applications.
6. How is scale-up handled for agitated vessel processes?
Scale-up often involves maintaining geometric similarity and key dimensionless numbers (e.g., Reynolds number, Froude number) to ensure similar mixing characteristics at different scales.
7. What safety considerations are important for agitated vessels?
Safety considerations include proper shaft sealing, pressure relief systems, emergency shutdown capabilities, and compliance with relevant safety standards (e.g., ATEX for potentially explosive atmospheres).
8. How is heat transfer managed in agitated vessels?
Heat transfer can be managed through jacketed vessel designs, internal coils, or external heat exchangers. Agitation enhances heat transfer by improving fluid circulation.
9. Can agitated vessels be designed for sterile processes?
Yes, agitated vessels can be designed for sterile processes with features like sanitary connections, cleanable surfaces, and compatibility with sterilization methods (e.g., SIP, CIP).
10. What maintenance is required for agitated vessels?
Maintenance typically includes regular inspection of seals, bearings, and impellers, alignment checks, lubrication of moving parts, and periodic cleaning. The specific maintenance schedule depends on the application and usage intensity.
For more information about our agitated vessel solutions or to request a quote, please contact Roben, Mfg, Inc. today. Our experienced team is ready to assist you in selecting the right agitated vessel for your specific application.
