mixing matters blog

Industrial Mixing topics from your mixing experts

Mixing matters blog - Covering any topic involving industrial mixers and utility mixers

impeller flow analysis
Industrial Mixing

Mixing 101: Flow Patterns & Impellers

Mixing 101: Flow Patterns & Impellers Mixing Flow Patterns & Impeller Types In our article on 4 Impeller Types and Their Applications, we provided an overview on the most common types of impellers used in industrial mixing. Now we’ll go into more detail about each impeller type and their influences on the mixing process. Our focus on impellers is due to the fact that they are the part of the mixer that does the actual mixing: as they rotate they create fluid flow. These flow patterns are the primary considerations when designing a mixer because creating the right flow pattern is critical to achieving the desired result. The most common flow patterns in mixing are axial (down and up) and

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September 20, 2013 25 Comments
salad dressing
Industrial Mixing

Identifying Mixing Opportunities

Identifying Mixing Opportunities Mixing, Like Oil & Vinegar… To identify potential mixer applications for liquid products, consider the composition of oil and vinegar salad dressing, as it depicts the two greatest challenges addressed by mixing: separation of non-miscible fluids and the settling of solids. Settling & Separation Any liquid that separates or settles over time is an opportunity for a mixer application. For these liquids, which are known as non-homogeneous, maintaining their uniformity is critical to maintaining their quality. If a product isn’t brought into uniformity in production, or just before it’s used, the quality of that product is lost. That’s why oil and vinegar salad dressings need to be shaken before consumption. Without shaking, you’d have to eat the

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June 13, 2013 No Comments
tank design baffles and no baffles
Industrial Mixing

Mixing 101: Baffled by Baffles?

Mixing 101: Baffled by Baffles? How Baffle Configuration Can Optimize Industrial Mixing In our previous posting on configuring your mixer, we learned that the tank type and volume, viscosity, specific gravity and the process are key factors the mixing process. In this article, we dive into how baffle configuration and mixer mounting can prevent the undesirable flow pattern of swirling. Let’s look at a common tank configuration: an un-baffled cylindrical tank. If a mixer is center-mounted in this tank, what we see is a very inefficient flow pattern: the tangential velocities coming from the impeller cause the entire fluid mass to spin (Fig. 1).  Basically, the entire fluid (and its solids) moves like a merry-go-round. In solid suspension applications, the solid

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October 19, 2012 6 Comments
Quality Mixing
Dynamix Products

Mixing 101: 4 Impeller Types & Their Applications

Mixing 101: 4 Impeller Types & Their Applications The Importance of Impeller Selection We first mentioned impellers in our blog discussing 4 factors for configuring your mixer. In this post, we will look more closely at impeller types and their applications. 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. The 4 Main Impeller Types 1. Airfoil Generally most efficient because it produces the maximum pumping with the lowest shear. Standard Dynaflow™ High Solidity Dynaflow™ for Gas Dispersion 2. Pitch Blade Ideal for

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December 6, 2011 12 Comments
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