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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Where is heat used in Lime Manufacturing?

Where is heat used in Lime Manufacturing?

In our last post, we discovered that cement manufacturing utilizes limestone. Therefore, we decided to focus on lime manufacturing this week! Originating with its earliest use as building mortar, lime has many end uses today: steel manufacturing, asphalt, plaster, sugar refining, wastewater treatment, and many others! Lime Production Infographic The National Lime Association has provided detailed lime…

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Direct Fired Vs Indirect Fired?

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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Industrial Hot Air Generators for Dryers

Are you in need of hot air for your industrial dryer? Indirect fired or direct fired air heaters are used as a hot air generator for many types of industrial dryers.  The wet material being dried with every type of dryer determines whether the process utilizes a direct fired air heater or an indirect fired…

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Gun Style Air Heater: A Direct Fired Air Heater

Overview of Gun Style Air Heaters: Stelter & Brinck designs and manufactures three types of Direct Fired Air Heaters: Packaged Air Heaters, Duct Style Air Heaters and Gun Style Air Heaters. This post will focus on Gun Style Air Heaters. This type of air heater is used in applications where the air stream is dirty…

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Duct Air Heater Overview

Duct Air Heaters are one type of direct fired air heater used in industrial applications. These industrial heaters provide the hot air used to manufacture everything from clay and brick to coal and glass. Duct Air Heaters earned their name due to the fact that they are designed to be inserted right into the process ductwork.…

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Indirect Fired Air Heaters for Chemically Sensitive Processes

Overview Indirect air heaters are used as the hot air source to dry chemically sensitive products. Indirect fired air heaters are used with fluid bed dryers, spray dryers, ovens, furnaces, flash dryers, rotary dryers, and many other types of process equipment. These air heaters are mainly used to manufacture food, chemicals, pharmaceuticals, and many other…

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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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Need a Process Air Heater? Here’s what info you need!

Stelter & Brinck

Are you in the process of looking for a new or replacement process air heater? Are you unsure of what information to collect regarding your application? Below are some of the basic questions that Stelter & Brinck asks customers when they call with an industrial process air heater application. What is your name, company name,…

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