A Scotch marine is a type of boiler in which hot flue gas passes through a series of tubes in an aquarium. Scotch boilers are the most commonly used on ships.
These boilers are most commonly used in marine applications due to their high operational efficiency and compactness. You have the ability to use all kinds of water. No need to install external chimneys or bricks.
The Scotch boiler is a descendant of the traditional Lancashire boiler. It has multiple ovens to provide a larger heating surface for a given oven.
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How Does Scotch Marine Boiler Work?
First, solid fuel (such as coal) is introduced into the furnace through the grate hole. After the fuel is introduced, the fire is supplied to the fuel through the holes in the fire, and the fire burns the fuel. When the solid fuel combustion process begins, hot flue gas is formed in the furnace. The generated high-temperature gas is sent from the furnace to the combustion chamber. In the combustion chamber, hot gas is used to heat the water. This converts water into steam. The resulting steam is sent to a steam turbine to generate electricity. Combustion of fuel produces smoke and exhaust fumes, which are supplied to the chimney. The chimney releases hot flue gas and smoke into the environment.
Types of Scotch Marine Boiler
- Single-ended Scotch marine boiler
- Double-ended Scotch marine boiler
Pros
- This cauldron is smaller than other types of the cauldron.
- It has the ability to use all kinds of water.
- It is a very efficient boiler.
- Scotch boilers do not require an external flue or masonry perimeter.
- These boilers are ideal for small power plants.
Cons
- More floor space is needed to achieve a particular performance.
- These boilers produce poorer quality steam than water tube boilers.
- These boilers are not ideal for large power plants.
- It has a lower steam generation rate than water-tube boilers.