Can You Increase Your Spray Dryer Capacity?

Can you get more from your spray dryer capacity? A lot has been written, including by me, about using the most accurate instruments and control schemes to optimize your spray dryer capacity. This is all of course true and accurate, but may not be the low-hanging fruit that you could more easily grab to squeeze a bit extra out of your spray dryer.

Sometimes going back to the basics of using best practices and maximizing feed solids, dryer inlet temperature and dryer outlet temperature will get a significant spray dryer capacity boost. 

I was recently in a plant where I was told, “We usually get 26 percent to 28 percent solids in the feed tank to the dryer.” It is understandable that there is variability, but the difference in drying capacity between 26 percent and 28 percent feed solids into the dryer is significant. Could 28 percent be achieved every day? Are your instruments enough to correctly and accurately operate the upstream equipment? Why isn’t the highest value the ultimate goal?

The difference in production on a 5,000 lb/hr dryer when feeding with 26 percent feed solids and 28 percent feed solids is nearly an 11 percent increase in powder production capacity based on constant water evaporation rate. That is not insignificant. Caloris can assist you with a thorough assessment of your current spray drying system and suggestions for increasing spray dryer capacity.

Jim Kent, Caloris Business Development Manager and Spray Dryer Expert

Let’s discuss how you can optimize efficiency and/or gain capacity. The Caloris team is poised and ready to help troubleshoot problems with your spray dryer operation. Contact us by calling 410-822-6900 or sending email to to reach one of our specialists today.

This blog post was written by Caloris Business Development Manager and Spray Dryer Expert Jim Kent.


About Caloris

Caloris transforms process systems design for the better with unexpected, future-focused solutions that solve real operational problems. We engineer efficient, dependable and productive solutions that also improve environmental sustainability where practical. Designed with the end user in mind to drive plant productivity. Caloris offers evaporation, membrane filtration and spray drying process systems for food and dairy industries, as well as for water reuse and wastewater treatment applications. Both Caloris’ custom and pre-engineered packaged systems are designed to meet our customers’ specific concentration/purification needs utilizing the most cost effective and energy efficient technologies available. Whether concentrating dairy, food or juice products at a high-volume production facility, or processing industrial wastewaters to reduce transportation and treatment costs and recover re-usable water, Caloris provides a range of options and technologies.