Stelter & Brinck Blog

Indirect Fired Process Air Heater Application Brief

The Customer’s Need:

A bulk material dryer in the plant’s Research and Development Lab was in need of a source of hot air. The customer’s boiler did not have sufficient extra capacity and could not achieve the steam pressure required for high heat. Their new equipment was to meet the following qualifications:

  1. Production of clean, hot air – the food manufactured at the plant is chemically sensitive, thus it could not contain the products of combustion.
  2. High efficiency.
  3. Wide operating range.
  4. And capable of handling up to 10 psig process air.

Stelter & Brinck’s Solution:

Stelter & Brinck’s indirect fired air heaters provide clean, hot air free from the by-products of combustion.

For this application, our recirculating model was chosen because it is a super high efficiency unit; this indirect air heater is capable of thermal efficiencies of up to 90%. The heater recirculates the hot side air stream thus reducing fuel costs and exhaust volumes to a minimum.

Note the totally enclosed combustion system. This heater is installed on a plant roof-top, the enclosure features full equipment weather protection as well as a built-in lighting source.

 

Indirect Fired Air Heater

Indirect Fired Air Heater – Stelter & Brinck

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