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Delivering Boilers with world-leading quality and performance.

Boilers are key components of thermal power plants. They convert the chemical energy contained in fossil fuels such as coal, oil and gas into thermal energy through combustion reactions and use the resultant high-temperature and high-pressure steam-based thermal energy for supplying steam turbines used in power generation. Mitsubishi Hitachi Power Systems (MHPS) supplies only boilers of the highest quality and performance, built on a vast breadth of experience and state-of-the-art technologies.

Types of Boiler

Drum Boiler Fluid Path Diagram (Simplified)
Once-through Boiler Fluid Path Diagram (Simplified)

While there are various types of boilers depending on the amount, pressure and temperature of the steam they produce and the fuel they use, they generally come under one of two categories: drum boilers and once-through boilers.
A Boiler has three main components. The economizer preheats the water supplied to the boiler. The superheater allows steam to pass through up to a designated temperature. The furnace that encloses the combustion field is the part of a boiler system exposed to the harshest conditions.
In a drum boiler, to ensure reliability of the furnace area, there is a drum that continually supplies water to the furnace system.
A once-through boiler is a simpler structure that does not require the drum function.

Inquiries Regarding Boilers