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12.5 bar flue gas boilers are typically used for industrial applications such as power plants and manufacturing facilities. The design and operation of these boilers vary depending on their intended purpose and the type of fuel used. In this article, we will provide an overview of the design and operation of 12.5 bar flue gas boilers.Flue gas boilers are designed to generate steam from burning a fuel, such as natural gas, oil, or coal. The fuel is burned in a combustion chamber, which is connected to a flue gas outlet. The flue gas is then passed through a heat exchanger, which is used to transfer the heat energy from the combustion process to the water in the boiler. The water is heated to generate steam, which is used to power turbines and other equipment.The design of 12.5 bar flue gas boilers is based on the maximum allowable pressure of the system. The pressure of the boiler is determined by the type of fuel used, the size of the boiler, and the type of heat exchanger used. The heat exchanger is typically made of stainless steel, which is able to withstand the high temperatures and pressures of the flue gas.The operation of 12.5 bar flue gas boilers is based on the principles of thermodynamics. The fuel is burned in the combustion chamber, releasing heat energy. The heat energy is then transferred to the water in the boiler, which is heated to generate steam. The steam is then used to power turbines and other equipment.The efficiency of 12.5 bar flue gas boilers is determined by the type of fuel used and the design of the heat exchanger. If the fuel is of a high quality, the boiler will be more efficient, as the heat energy will be transferred more efficiently to the water. If the heat exchanger is of a low quality, the boiler will be less efficient, as the heat energy will not be transferred efficiently.The safety of 12.5 bar flue gas boilers is also determined by the design of the heat exchanger. If the heat exchanger is of a low quality, the boiler may be prone to overheating or pressure buildup, which can lead to explosions. Therefore, it is important to ensure that the heat exchanger is of a high quality, and that the boiler is regularly inspected and maintained.In conclusion, 12.5 bar flue gas boilers are typically used for industrial applications such as power plants and manufacturing facilities. The design and operation of these boilers vary depending on their intended purpose and the type of fuel used. The efficiency and safety of the boiler depend on the quality of the fuel used and the design of the heat exchanger. It is important to ensure that the heat exchanger is of a high quality, and that the boiler is regularly inspected and maintained.