mixing matters blog

Industrial Mixing topics from your mixing experts

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

Industrial Mixing

Mixing 101: Low rpm, High Torque Mixing

Mixing 101: Low rpm, High Torque Mixing In the process industry, there’s a strong focus on power as the defining characteristic in mixing. Many considerations are often left by the wayside when choosing a mixer. These factors can make or break the application. Relying solely on the G-Value or velocity gradient in mixer design leaves important information out of the equation. Focusing on the G-Value gives rise to the misconception that horsepower, rather than torque, is the critical factor determining mixing effectiveness. This method is effective for applications requiring high-sheer and turbulent flow, but this isn’t always the case. High-speed mixing introduces a host of additional considerations based on fluid viscosity, flow patterns, and shearing. Mixing Categories Different types of

April 4, 2021 No Comments

Mixer Configuration

Mixing 101: Torque and the Art of Mixing

What is torque… and what does it have to do with mixing? Selecting a mixer drive with a high horsepower rating doesn’t guarantee a satisfactory result in your application, and it doesn’t necessarily translate into a more powerful mixer either. Horsepower is merely a measurement of the rate at which work is done – or how much input power a motor has. Simply throwing more horsepower at an application may make a mixer’s impeller turn faster, but it will also drive down efficiency, negatively impact your budget, and can even damage your product through shear. If the driving force of a mixer is rotational, then horsepower is secondary to torque as the force that drives the pumping and performs the

October 20, 2015 No Comments

Mixing 101

Keeping Your Solids in Suspension

Optimized Solids Suspension Applications Achieving a uniform dispersion of solids in a product is critical to your product’s quality. In processes that mix solids in fluid, particulates that cannot dissolve in liquids will either sink to the bottom of the tank and collect in the corners, or stick together and agglomerate. This compromises product uniformity (product quality), and in extreme cases, can cause a system to malfunction or fail. The main objectives of solid and liquid solutions are: Avoiding solids accumulation in a stirred tank Maximizing the contact area between solids in a liquid Ensuring the solid particles are uniformly distributed throughout the tank The goal is to bring the mixture into specification and keep it there. This means keeping

September 11, 2014 No Comments

Dynamix Products

Optimizing Polymer Mixing in Water and Wastewater Treatment

Optimizing Polymer Mixing in Water and Wastewater Treatment A major concern in water and wastewater treatment processes is identifying the most effective and efficient way to remove solid particles and other materials found in the liquid stream. The most effective method of eliminating unwanted contaminants is through the use of polymers in a sludge-creating process. Polymers are used to coagulate suspended solids and produce large curds of solid materials (floc) which are more easily removed from the water treatment stream. Polymers are available in a variety of forms and concentrations and are supplied as either dry powders or concentrated liquids. Each variation presents unique challenges when sizing mixers. Dry Polymers: Polymers supplied in powder form must be wetted out which

March 13, 2014 3 Comments

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

September 20, 2013 25 Comments

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

June 13, 2013 No Comments

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mixing matters blog

Industrial Mixing topics from your mixing experts