Coal-fired boilers are mainly operated at either subcritical or supercritical conditions. From a thermo-physics perspective, two phase mixtures of water and steam are replaced by a single supercritical fluid when the boiler pressure increases above the critical pressure of 22.12 MPa and the corresponding saturation temperature of 374 °C ( Shen and Cheng, 2004 ).
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Portable boiler: These are movable and used temporarily in sites. Locomotive: These are used in the railway engines. Marine boiler: These are used in ships. According to the position of boilers: Horizontal; Inclined; According to the pressure generated by steam: Low-pressure boiler: The maximum pressure is 15-20 bar. It is used for heating purposes.
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Boiler Efficiency Heat Output X 100/Heat Input = QX( ) x 100 /(q X GCV) Calculation 8X (2782.8355) X100/(1.34*17953) Result Boiler Efficiency = 80% . The Indirect Method . We can calculate the performance of boiler by calculating all the losses happening in the boilers …
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Coal Fired Steam Boilers, Coal Fired Boiler, Coal Steam Boiler
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Coal Fired Boilers - Coal Fired Boiler, Biomass Boiler
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Coal Fired Steam Boilers, Coal Fired Boiler, Coal Steam Boiler
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