Table of Contents
What is mixing impeller?
The impeller is the component of a mixer that does the actual mixing and produces the results. That’s because when it rotates, it creates fluid flow and shear patterns. While there are many types of impellers, there are 4 main types we use when engineering mixers.
What is hydrofoil impeller?
The hydrofoil is a 3 bladed high efficiency impeller. It is known for its high efficiency because it is able to produce the greatest amount of flow per horsepower in the spectrum of Mixer Direct’s line of mixing blades.
Why vortex is not good in mixing?
Vortexing the entire contents of a vessel is about the worst possible way of mixing for uniformity. A vortex in a cylindrical container effectively will cause solid-body rotation of the fluid, which provides almost no radial or vertical flow, both of which are necessary to accomplish mixing.
Which is the best vessel for a mixing impeller?
Dish-bottomed vessels are preferred, although flat-bottomed or shallow cone (‹15�) can be used without particular problems. The ratio of the depth of fluid to the diameter of the vessel (the aspect ratio) should be unity or close to unity. The position of the impeller within the process fluid can also affect performance.
Why are impellers important to a boat pump?
Boat Impellers. Marine impellers are an important part of your engine pumps cooling system but they have a limited lifespan, becoming hard and potentially cracking or crumbling over time. Eventually the boat impeller will lose its ability to pull water into the pump, causing the pump to overheat and potentially fail.
What kind of impeller do I need for 55gal drum?
Folding props, or drum bung mixer propellers are suited for 55gal drum mixing and carboys with small openings to fit the mixing impeller. For more general industrial and sanitary mixing applications the plastic or Teflon shaft and impellers are used which are very corrosion resistant and easy to clean.
What should the C / T ratio be for an impeller mixer?
The distance from the impeller to the bottom of the vessel (the clearance, C) affects the power draw and pumping efficiency of the mixer. For optimum performance the ratio C/T should range from 0.1 to 0.3, although hydrofoils operate with C/T approximately 0.5