Industrial Boiler Types - Applications and Efficiency

Industrial boiler Types - applications and efficiency

Engineers should understand which industrial boiler is appropriate for the application, and then know how to maximize its use.

Learning objectives

1. Understand the various types of fuel-fired industrial boilers.

2. Learn about specific industrial boiler types and applications.

3. Know how to maximize heating water systems efficiency.

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Industrial boilers are the basic foundation of heating and domestic hot water in many commercial, industrial, institutional, and education facilities. The term “industrial boiler” can be a misleading because in many applications, the industrial boiler does not produce water at boiling temperatures of 212 F or above. Here will begin with the various types of fuel-fired industrial boilers for a general description then focus on specific types and applications.

There are two types of efficiency with fuel-fired industrial boilers: combustion efficiency and thermal efficiency. Combustion efficiency is the percentage of chemical potential energy of the fuel that is converted during the combustion process to produce thermal energy. Thermal efficiency is simply stated as the percentage of potential fuel energy that is converted to thermal energy leaving the industrial boiler in the form of heated water or steam. It is thermal efficiency that the consulting-specifying engineer should be most concerned with in the equipment selection process.

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Hot water industrial boiler applications

Traditional hot water industrial boiler primary piping systems: Traditional hot water applications typically consist of a medium water temperature system (180 to 210 F) with a minimum of two industrial boilers piped in parallel in a primary heating water loop configuration. Heating water supply temperature is set based upon the outside ambient air temperature...