Thermal Efficiency of Cross Section Water Tube Boiler Based on Air Fuel Ratio and Water Level Control
Keywords:
Boiler, LPG, Air Fuel Ratio, Water Level, Thermal EfficiencyAbstract
Boiler is a device or tool used to heat water into steam or steam that occurs in a closed vessel. This process is heated by heat energy that comes from burning fuels, such as diesel, gas, and coal. This research aims to analyze the effect of LPG air-fuel ratio and water level on Boiler performance using LPG gas fuel in order to create optimal performance and good thermal efficiency in the Boiler. To create good heat transfer in the Boiler, the Cross Section Double Drum Water Tube Boiler is used by using a double drum that is placed crosswise on the heat source and the position of the tube which is installed with a 65° slope which aims to accelerate the evaporation process of water molecules to produce optimal steam. The variables observed are the fuel air ratio (AFR) and the water level. The optimal LPG fuel air ratio is to achieve efficient combustion and reduce emissions. AFR used in this research are 17, 19, 21, 23 and 25. While the water level affects the heat transfer that occurs in the Steam Drum. The water level used is at the level of 20%, 30%, 40%, 50%, and 60%. From the results of the research that has been done, it is known that AFR and water level are very influential to achieve optimal performance on the efficiency value of the steam drum.
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Copyright (c) 2025 Amanda Rahmathallia; Rara Wiladhatika, KA Ridwan; Rima Daniar, Tahdid
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