Performance and Analysis Of Modern Soot Blower By Improving Boiler Efficiency Of A Thermal Power Plant
Journal Title: International Journal of Science Engineering and Advance Technology - Year 2017, Vol 5, Issue 3
Abstract
In Thermal power plants for better performance and maximum efficiency the best suitable method is Energy Audit, which plays a key role in any industry or organization. Every problem has a solution; we have so many ways to solve a problem but choosing a best method, give better results and save the time and money which is possible by energy audit. In this thesis to accomplish the task, KTPS 500MW Thermal power plant is selected. Here the maximum boiler efficiency is 78% at full load operating conditions. To know the reason behind this reducing the boiler efficiency, conducted an audit and identified the main losses. After analyzing all losses the major one is heat loss due to dry flue gas, which is nearly 12% compared to remaining losses. The main reason behind this loss is, there is no proper heat transfer between flue gas and feed water contained in the economizer coil, after combustion of coal the flue gases are released at the same time soot also liberated and it is largely placed at the top of the boiler in the surface of economizer coil. To remove that soot on the economizer coil surface present in KTPS they use some soot blowers but they are not achieving the better results as well as operating and maintaining cost is very high. Main motto of this thesis is to develop a modern soot blower with less operating cost and achieve better results. The main important change in this advanced blower is change in the working medium. In the present soot blower the working medium is steam. It means by using boiler output they are running the present soot blower still not obtaining good results and at the same time losing the boiler efficiency. In the modern soot blower the working medium is hot air so without using the output of boiler, run this modern designed soot blower at the same time the soot is totally removed from the surface of economizer coil and the loss due to dry flue gas is reduced up to 4%. So boiler efficiency is improved and have a chance to economic benefit also by using this modern designed soot blower because of its working medium and less operating cost.
Authors and Affiliations
Mortha Babji| PG Scholar, Dept of Mechanical Engineering, Prasiddha College of Engg & Tech, Amalapuram babjimech303@gmail.com, P. Satish Reddy| Assoc. Professor, Dept of Mechanical Engineering, Prasiddha College of Engg & Tech, Amalapuram, satish2436@gmail.com, N. Guru Murthy| Asst Professor, Dept of Mechanical Engineering, Prasiddha College of Engg & Tech, Amalapuram, murthy408@gmail.com, M Manoj| Asst Professor Dept of Mechanical Engineering, Prasiddha College of Engg & Tech, Amalapuram, mattamanoj13@gmail.com
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