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Fluid Bed Dryers, Rotary Dryers, Rotary Calciners | Heyl & Patterson Inc. Renneburg Division

Renneburg Division

Your Trusted Partner for Thermal Processing Solutions

Experience. Innovation. Engineered Solutions. When it comes to all three of these characteristics, no other thermal processing equipment manufacturer delivers and creates greater trust than Heyl & Patterson. Our dedication to creating superior products, while providing trusted serviceability for our customers, spans 125 years we've been doing business.

With vast experience designing and manufacturing custom built fluid bed dryers, rotary dryers, coolers, calciners and pyroprocessing equipment, Heyl & Patterson's Renneburg Division has long been an industry leader.

Understanding our customer's needs, we take into consideration many factors when designing the right solution, including particle size, material handling characteristics, heat sensitivity and space limitations. That's why we use our expertise and our pilot plant capabilities to create technologically advanced, environmentally sound, energy efficient and accurate solutions that meet and exceed your application requirements. Our solutions are also cost-effective and include built in safety features while being tailored to your specific needs.

Trust. It's the term that describes Heyl & Patterson's commitment to quality, reliability, serviceability and budget-ability when you need the best thermal processing solution for your business. And it doesn't hurt when trust comes with industry innovation that's second to none.

Dryers and Coolers

Dryers and Coolers

We offer a complete selection of high efficiency dryers and coolers. Whether it's a fluid bed dryer to process free-flowing bulk solids, or a rotary dryer to handle a broad range of materials, we can design the right equipment to meet your needs based on our experience and pilot plant testing. We are experienced providers of some of the largest units in the world, providing both direct and indirect heat transfer systems.

  • Rotary Dryers and Coolers
  • Fluid Bed Dryers and Coolers
  • Flash Dryers and Coolers
  • MultiDisc Thermal Processor

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Heyl & Patterson is capable of handling all your calcining needs - efficient high temperature processing, controlled environments, large throughput, electric or fuel heated, zoned temperature control, chemical reactions, thermal desorption.

  • Rotary Calciners
  • Fluid Bed Calciners

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Thermal Processors


We offer more than just dryers, coolers and calciners. Delumping, pressing, dewatering, granulating, agglomerating, refining, milling. Pilot plant facilities available for most equipment.

  • Agglomerator Granulators
  • Screw Presses
  • Chain Flail Mills
  • Pug Mills

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Laboratory Tests

At Heyl & Patterson, we understand that thermal processing equipment such as Dryers, Coolers and Calciners represent a significant investment for any company. That’s why we pride ourselves on our reliable research and laboratory testing that is second to no one in the industry

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Toll Processing

Using our Pilot Plant Testing Lab at Heyl & Patterson, we can test your thermal processing product under a variety of working conditions. Available in-house or on-site at your location, our Toll Processing is available to help you optimize peak efficiency and performance or your thermal processing equipment.

“Our operations needed to save time and money, not only with the operation of our system but also within the timeframe of our accelerated construction schedule; Heyl & Patterson not only delivered, they did so with a solution and ongoing service that makes them one of our most valued and trusted partners.”
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