Experimental Investigation of Energy Efficiency and Saving Opportunities for an Industrial Boiler in Process Industry: A Case Study of a Textile Manufacturing Industry in Kenya

Isaiah Kimutai and Paul Maina
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Isaiah Kimutai: Department of Mechanical & Production Engineering, Moi University, Eldoret, Kenya
Paul Maina: Department of Mechanical & Production Engineering, Moi University, Eldoret, Kenya

International Journal of Research and Innovation in Applied Science, 2022, vol. 7, issue 2, 23-30

Abstract: Boilers are widely used in process industries to generate steam and hot water. Boiler systems represent a significant portion of total industrial energy use. A slight improvement of boiler efficiency reduces production cost which is necessary for textile industries especially in developing countries to remain profitable and competitive both locally and globally. This paper presents performance assessment of industrial Wood fire- tube boiler used in a textile industry. Performance test was conducted to determine actual performance and energy efficiency of the boiler by flue gas analysis of various flue gas samples exiting the boiler installation. The results displayed poor performance of the boiler with overall efficiency of 17.35% against design efficiency ranging between 75-77%. The major heat losses of the boiler found include dry flue gas loss (58.97%), heat loss due to moisture present in fuel (11.48%) and heat loss due to evaporation of water formed due to H2 present in fuel (9.61%). Based on the results high energy potential lies on excess air control and reduction of moisture content present in wood fuel.

Date: 2022
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