Did you know that indirect fired air heaters are used in manufacturing tobacco extracts?

Some products made with tobacco also require tobacco extracts, such as cigarettes. When manufacturing cigarettes, the paper must be flavored using tobacco extracts. These extracts are generated by: Processing the tobacco with water and alcohol to make the tobacco liquescent. Using a spray dryer to provide a more concentrated tobacco extract. In order to create…

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Indirect Fired Air Heater Customer Success Story

Indirect Fired Air Heater- Success Story

Customer Need: A source of hot air, which was free from the by-products of combustion was needed by a dry corn milling company. The need arose when one of the world’s largest beer companies chose to use this mill as a new supplier. In order to meet strict process requirements and become an approved supplier,…

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Process Air Heaters – Brief Overview

Process Air Heaters

Stelter & Brinck designs and manufactures 4 types of air heaters: Indirect Fired, Duct, Packaged, and Gun Style. The Duct, Packaged and Gun Style units are all direct-fired process air heaters. Each of the 4 styles of heaters is custom designed for your application and available in different models. 1. Indirect Fired Air Heater is…

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What’s the difference: Direct Vs Indirect Fired Heaters?

What is the technical difference between direct fired and indirect fired? In terms of process air heaters, what are the features, benefits and applications of direct fired vs indirect fired? Direct Fired “Direct Fired” means just that; the burner is fired directly into the process air stream to heat it. Air heaters that are direct…

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Fluid Bed Dryers & Process Air Heaters

The fourth and final type of dryer that we will discuss that utilizes air heaters is a fluid bed dryer (or fluidized bed dryer). According to Wikipedia: “A fluidized bed is formed when a quantity of a solid particulate substance is placed under appropriate conditions to cause the solid/fluid mixture to behave as a fluid.” Fluid Bed Diagram…

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Spray Dryers and Their Heat Source

We have discussed flash and rotary dryers; the third type of industrial dryer that uses a process air heater for hot gas generation is a spray dryer. Spray dryers are known for distributing a consistent particle size and are the most prominent drying system in the food and dairy powder industries. Powdered colors, inorganic chemicals, insoluble organic…

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Do you know the difference between direct fired and indirect fired air heaters?

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Our latest YouTube video explains the difference between direct fired and indirect fired air heaters. This two minute video will educate you on basic differences and benefits each system.  Watch the video and then quiz yourself on the difference between direct and indirect fired air heaters with the questions below! https://www.youtube.com/watch?v=81avNHZ5kKw Which air heater would…

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Unmatched Process Air Heaters

Stelter & Brinck process air heater types consist of indirect fired, gun style, packaged and duct style air heaters. Each of our air heaters is a product of over 95 years of combustion experience, is designed in-house by our engineers to be heavy duty, reliable and provide unmatched performance for your process. Because each S&B heater…

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