DOI Number : 10.5614/j.eng.technol.sci.2014.46.1.7
Hits : 9

Structured Mathematical Modeling of Industrial Boiler

Abdullah Nur Aziz1, Yul Yunazwin Nazaruddin2,
Parsaulian Siregar2 & Yazid Bindar3

1Electronics and Instrumentations Laboratory, Physics Study Program,
Faculty of Science and Engineering, Jenderal Soedirman University
Jalan Dr. Soeparno 61, Purwokerto 53123, Indonesia
2Instrumentation and Control Research Group, Engineering Physics Program Study, Faculty of Industrial Technology, Bandung Institute of Technology,
Jalan Ganesha 10, Bandung 40132, Indonesia
3Energy and Processing System of Chemical Engineering, Faculty of Industrial Technology, Bandung Institute of Technology,
Jalan Ganesha 10, Bandung 40132, Indonesia

Abstract. As a major utility system in industry, boilers consume a large portion of the total energy and costs. Significant reduction of boiler cost operation can be gained through improvements in efficiency. In accomplishing such a goal, an adequate dynamic model that comprehensively reflects boiler characteristics is required. This paper outlines the idea of developing a mathematical model of a water-tube industrial boiler based on first principles guided by the bond graph method in its derivation. The model describes the temperature dynamics of the boiler subsystems such as economizer, steam drum, desuperheater, and superheater. The mathematical model was examined using industrial boiler performance test data.It can be used to build a boiler simulator or help operators run a boiler effectively.

Keywords: dynamic model; economizer; industrial boiler; physical model; steam drum; superheater.

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