Pressure vessel and boiler inspection
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WHAT DIFFERENT KINDS OF BOILERS ARE THERE?
WHAT DIFFERENT KINDS OF BOILERS ARE THERE?
There are many different types of boilers out there. The difference between them has to do with the way heat is conveyed to or through the water in order to turn it into steam.
Here are some of the most common types of boilers:
• Fire-Tube Boiler. In a fire-tube boiler, fuel is burned inside the furnace and then the heat produced is transferred by tubes through the water in the tank to generate steam. Fire-tube boilers are one of the cheapest types of boilers to create since their design and construction is fairly straightforward. For the same reason, they are typically limited to low and medium pressure applications because their shell is not thick enough for higher pressures.
• Recovery Boiler. Recovery boilers are used in the pulp and paper industry. They burn black liquor (a pulping byproduct) and recover inorganic elements in order to generate superheated steam.
• Water-Tube Boilers. Water-tube boilers are similar to fire-tube boilers, but in water-tube boilers water tubes are heated inside the furnace to create steam instead of heating fire tubes that then transfer heat to the water inside of a tank. Water-tube boilers are more efficient than fire-tube boilers, but also more complex and therefore more expensive.
• Biomass Boiler. Biomass boilers are similar to gas-fueled boilers except that they use bio fuel, such as wood chips, wood pellets, logs, or other forms of biomass to create heat instead of using fossil fuels.- 0 Replies
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