ANALISIS EFISIENSI TERMAL PADA KETEL UAP DI PABRIK GULA KEBONAGUNG MALANG

Heni Hendaryati


Abstract


ANALISIS EFISIENSI TERMAL PADA KETEL UAP DI PABRIK GULA KEBONAGUNG MALANG

Heni Hendaryati

Staf Pengajar Jurusan Teknik Mesin, Fakultas Teknik
Universitas Muhammadiyah Malang
Email : henihendaryati@yahoo.com

ABSTRACT

Amid strong currents of globalization and the energy crisis such as rising fuel prices that hit the world’s sugar industry claimed to be more competitive to face  increasingly  fierce   competition.  Under  these  conditions,  suppress  the dissipation of energy and attention on energy conservation becomes an important thing to do. Source of energy for the process of sugar production in sugar mills Kebon Agung Malang generated from the boiler in the form of steam. The plant operates using 2 pieces of boiler, Boiler Yoshimine H-2700 with a capacity of 80 tons / hour and Boiler Yoshimine H-3500 with a capacity of 100 tons / hour. This study  aims   to  determine  the  efficiency  of  boilers  used  and  assess  energy conservation in the boiler. During this study, the boiler is in operation with fuel bagasse (bagasse). Data is collected by recording directly from the control panel. Data is taken every hour for 24 hours a day, the study was conducted for 30 days. Research shows the average thermal efficiency by the heat balance method for the Boiler Yoshimine H-2700 was 74.8% and Boiler Yoshimine H-3500 was 73.9%. Sankey Diagrams Based on the amount of heat entering the steam boiler for the second kettle  is  1713.194 kcal / kg. Heat lost to Boiler Yoshimine H-2700 is 425.915 kcal / kg, so the heat is used is 1287.279 kcal / kg. While the heat lost to Boiler  Yoshimine H-3500 is 445.653 kcal / kg, so the heat is used is 1267.541 kcal / kg.

Key note : Boiler, heat balance, efficiency


Keywords


Boiler, heat balance, efficiency

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