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

Mixing 101

Mixing 101: Optimal Tank Design

UNDERSTANDING HOW TANK DESIGN AFFECTS MIXING Apart from the actual mixer, the design of the mixing tank is the single most important factor in producing a successful result in any process. In order to allow optimal performance from a mixer’s impeller, it is essential to create an environment that supports both correct impeller positioning and appropriate liquid coverage of the impeller. Incorrect positioning negatively affects the performance of a mixer, the quality of a product, and may even be detrimental to the performance life of the mixer drive. When looking at tank designs, vertical cylindrical, and square or rectangular tanks are most common. In the process of selecting the optimal tank design for an application there are certain rules of

March 10, 2015 4 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

Mixing 101

Mixing at Home: What Do Gravy and Mixing Have In Common?

The Secret to Great Gravy? Thinking In Terms of “Good Mixing” Is there anything better at turning a good holiday meal into a truly great one than a lake of delicious gravy? We have all been caught us all off guard by lumpy, pasty tasting gravy at least once. Usually after we have already covered our turkey and mashed potatoes with it. Thick, rich, and flavourful gravy doesn’t come easy, but properly mixing dry powders with liquids is a simple concept that just takes a little finesse to perfect. If you think about making gravy in terms of “good mixing” you can’t go wrong. First, you only need about 1/4-1/3 cup of holiday bird or roast drippings, being careful to

December 16, 2013 No 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

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mixing matters blog

Industrial Mixing topics from your mixing experts