Post Mixing Optimization and Solutions

Philadelphia Mixers

Trip report from May 23, 2003

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I (Tom) visited Philadelphia Mixers on Friday May 23, 2003. Larry Frakes, Account Manager, Senior Application Engineer, was my gracious host. I must say that this visit really surprised me. I was impressed. The place appeared to be at least twice the size of LIGHTNIN. The factory was the cleanest and brightest mixing shop I have ever seen. You could sit down on the floor and lay out a picnic! The inventory they have is just remarkable. It takes up about half the factory floor space (or at least it appeared so). If someone needs a part fast, chances are pretty good that they may have it on a shelf.

Several finished mixer assemblies were scattered throughout the factory at various levels of completion. The shop was definitely busy.


Of course coming from the Research Department of the "Leader of Mixing Technology", I was very keen on seeing the lab.  It was remarkable. The Philly lab is probably at least 3 times the size of LIGHTNIN's. One of the tanks was large enough to hydraulically test any sized order prior to shipping. This capability is so important to European purchasers of mixing equipment.

The main lab had laser test equipment from Dantec. A lot of free area around the laser test equipment gives Philly the flexibility to test impellers using many different sizes and shapes of tanks.

The lab had a lot of equipment that was obviously in use or was used just recently. There were clear horizontal test tanks, very tall tanks, and several tanks for side-entry mixing. I am sure there is much more in storage that wasn't visible. The lab had a wide array of impellers for testing. One tank was setup for up-pumping studies. The impellers were attached to a shaft that would allow for individual torque readings, not just total readings. Everything was so clean and the lab looked very well taken care of.

Dr. Wojciech Wyczalkowski was in the process of running an experiment for a client. Philadelphia Mixers encourages engineers and scientists to consider hiring the lab staff to do mixing experiments for them. If you are considering getting some objective mixing tests done, where you are in charge of the experimentation, you should contact Philadelphia Mixers.

Dr. John von Essen was unfortunately in Philadelphia attending a BHR meeting so I could not see him.

There is more. In the next lab, a 3/4 million gallon tank was being used for an experiment. The depth of the tank is 39 feet and this entire tank is inside a huge room. There is plenty of room to get around all of the sides of the tank. They have the flexibility to position the mixer(s) anywhere they want over the liquid surface. This room had 3 more very large tanks. I was told that one of them was at least one floor down into the ground whereas it was also at least one floor above the floor. This makes it ideal to do fermentation and hydrogenation studies. Side windows allowed visual inspection. The others were not as tall, but had even greater diameters. Catwalks allowed you to get to the top of the tanks.


If you are interested in mixing, you should definitely give Philadelphia Mixers a call, 1-800-95-MIXER. Since I was impressed, I am sure you will be, too.

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