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PLC Based Automatic Soot Blower Control System in Boiler


Affiliations
1 Department of Electronics and Instrumentation Engineering, Hindusthan College of Engineering and Technology, Coimbatore, India
2 Department of Electronics and Instrumentation Engineering, Hindusthan College of Engineering and Technology, Coimbatore, India
     

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Boiler is a powerhouse of any process industry. Formation of scale and soot in boilers is still a great concern to increase the efficiency of the boiler. This paper presents a method for the soot blowing automation in a boiler using PLC.  The important parameter to be monitored in each steam generator is the thermal efficiency or the heat rate. These parameters are influenced by many factors, including the boiler design, control strategy, fuel quality, operating conditions etc. Soot, ash, and slag deposit (fouling) on the individual heat exchange surfaces affects the heat transfer between the flue gas and steam. It is necessary to clean the surfaces of boiler tubes periodically, in order to avoid the negative effect of fouling. The main objective of the soot blowing automation system is to optimize this cycle. An automated technique is designed and implemented using PLC. Proposed soot blowing automation system monitors the process variables, estimates the fouling status of heat exchange surfaces, evaluates impact on economy and triggers the soot blowing sequence.

Keywords

Boiler, Thermal Efficiency, Soot Blower, PLC.
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  • K. Gouri Shankar, (2008) “Control of Boiler Operation using PLC-SCADA,” International Multi Conference of Engineers and Computer Scientists, Vol. 2, ISBN: 978-988-17012-1-3.

  • Sunit Shah, D.M. Adhyaru, (2011) “Boiler Efficiency Analysis using Direct Method,” IEEE International Conference on Current Trends in Technology, ISBN: 978-1-4577-2168-7/11.

  • Amit Kumar Jain, (2012) “An Approach towards Efficient Operation of Boilers,” International Journal of Scientific and Engineering Research, Vol. 3(6).

  • N. Hare, M. G. Rasul, S. Moazzem, “A Review on Boiler Deposition/Foulage Prevention and Removal Techniques for Power Plant,” Recent Advances in Energy &Environment, ISSN: 1790- 5095, ISBN: 978-960-474-159-5.

  • Rahul Dev Gupta, Sudhir Gai, Ajai Jain, (2011) “Energy Efficiency Improvement Strategies for Industrial Boilers: Case Study,” Journal of Engineering and Technology, Vol. 1 (1).

  • Sarunac, N., Romero, C.E., Clements, B., Pomalis,R., Henrikson, J., Cylwa, W. and Luk, J.,”Sootblowing Optimization:Part 1 – Methodology,Instrumentation and Determination of Section Cleanliness,” Presented at Combustion Canada 2003 Conference, September 21-24, 2003,Vancouver,BC,Canada.

  • Sarunac, N., Ronero, C.E., Shan, J,. Bian, X.,Clements, B., Pomalis, R., Henrikson, J., Cylwa,W. and Luk, J., “Sootblowing Optimization: Part 2 – Sootblower Charcterisation and Implementation of an Intelligent Sootblowing Advisor,”Presented at Combustion Canada 2003 Conference,September 21-24, 2003, Vancouver,BC,Canada.

  • Walsh, T. J., “Controllling Boiler Efficiency,”Instruments and Control Systems,January 1981.

  • Bhavesh Jinjala, Rashmikant. N. Shukla, (2013) “Energy Conservation in Boiler by Variable Speed Drives (VSD),” International Journal of Innovative Research in Science, Engineering and Technology, ISSN: 2319-8753, Vol.2 (4)

  • L. Shrimanth Sudheer, Immanuel J., P. Bhaskar, and Parvathi C. S., (2013) “ARM7 Microcontroller based Fuzzy Logic Controller for Liquid Level Control System,” International Journal of Electronics and Communication Engineering and Technology, Vol. 4(2), pp. 217-224.


Abstract Views: 247

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  • PLC Based Automatic Soot Blower Control System in Boiler

Abstract Views: 247  |  PDF Views: 3

Authors

N. Kavitha
Department of Electronics and Instrumentation Engineering, Hindusthan College of Engineering and Technology, Coimbatore, India
K. Sentamilarasu
Department of Electronics and Instrumentation Engineering, Hindusthan College of Engineering and Technology, Coimbatore, India
K. Divyabharathi
Department of Electronics and Instrumentation Engineering, Hindusthan College of Engineering and Technology, Coimbatore, India
A. Balasubramanian
Department of Electronics and Instrumentation Engineering, Hindusthan College of Engineering and Technology, Coimbatore, India
C. Vigneshwaran
Department of Electronics and Instrumentation Engineering, Hindusthan College of Engineering and Technology, Coimbatore, India

Abstract


Boiler is a powerhouse of any process industry. Formation of scale and soot in boilers is still a great concern to increase the efficiency of the boiler. This paper presents a method for the soot blowing automation in a boiler using PLC.  The important parameter to be monitored in each steam generator is the thermal efficiency or the heat rate. These parameters are influenced by many factors, including the boiler design, control strategy, fuel quality, operating conditions etc. Soot, ash, and slag deposit (fouling) on the individual heat exchange surfaces affects the heat transfer between the flue gas and steam. It is necessary to clean the surfaces of boiler tubes periodically, in order to avoid the negative effect of fouling. The main objective of the soot blowing automation system is to optimize this cycle. An automated technique is designed and implemented using PLC. Proposed soot blowing automation system monitors the process variables, estimates the fouling status of heat exchange surfaces, evaluates impact on economy and triggers the soot blowing sequence.

Keywords


Boiler, Thermal Efficiency, Soot Blower, PLC.

References