Horizontal boilers can also be classified according to the combustion technology they use. This manner of identifying boiler types pertains to boilers that burn solid or petroleum-based fuels.
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Fluidized Bed: Today’s standard when it comes to burning solid fuels (i.e., coal, biomass), a fluidized bed “bubbles” fuel and sand together to ensure an optimal fuel-air mixture, regulate uniform temperatures throughout the fuel bed, and reduce emissions.
Stokers: A stoker system burns lump coal. There are two main types of stokers: spreaders stokers and chain-grate stokers (also known as “traveling grate” stokers). A spreader stoker distributes a continuous feed of coal evenly onto the bed. A chain-grate stoker, on the other hand, feeds fuel to one area of the bed and then distributes it with a moving grate.
Thermic Fluid Heater: Thermic fluid heaters use a closed system of petroleum-based fluid as their heat-transfer medium. This design allows for consistent temperature control, good thermal efficiency, and minimal losses.
That Should Cover Most Industrial Boilers
This is just a general introduction to some of the main ways in which people tend to classify boilers. The more people you talk to about industrial boilers, the more terms you’ll run across. Often, many of these additional terms will be industry specific, such as “recovery boilers” (boilers that use pulp black liquor to generate steam in pulp and paper plants).
In other words, we think we’ve got you pretty well covered when it comes to any general discussion about horizontal boilers. We hope you think so, too. But if you have any additional questions, feel free to give us your require to industrialboilermerry@hotmail.com
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