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IMPROVEMENT OF ENERGY EFFICIENCY IN SUGAR PROCESSING AT LANKA SUGAR INDUSTRIES LIMITED, PELWATTE, SRI LANKA
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
2018 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
FÖRBÄTTRING AV ENERGIANVÄNDING INOM SOCKERPRODUKTIONEN VID LANKASUGAR INDUSTRIES LIMITED, PELWATTE, SRI LANKA (Swedish)
Abstract [en]

One of the drawbacks of the process house in a sugar factory is the potential for exhaust steam pressure drop during operation, leading to temporary loss of production and concomitant energy waste. Identified exhaust steam demand for existing exhaust steam distribution system is larger than exhaust steam generation, therefore there is potential to minimize or avoid such issues. This investigation examines process house steam systems via in-field measurements at a sugar factory located in Sri Lanka. Five options for modifying the exhaust steam distribution network were considered, with the most favorable one implemented in year 2013. Considering operational data this year as compared with the previous year, measures to improve steam utilization yielded a 3.5% increase in crushing rate and nearly eliminated mill stoppage due to juice accumulation all while maintaining steam parameters at nominal levels.

Abstract [sv]

En begränsning hos processerna inom en sockerfabrik gäller tryckförluster i utsläppsångan, som kan leda till tillfälliga produktionsförluster och energislöseri. Den identifierade efterfrågan av utsläppsångan gällande det befintliga ångdistributionssystemet är högre än den tillförd ångan, därför finns det potential för att minimera eller undvika sådana situationer. Denna undersökning analyserar processångan genom mätningar hos en fabrik i Sri Lanka. Fem alternativ för modifiering av ångsystemet undersöktes och den lämpligast genomfördes under 2013. Jämfört med presentanda från året innan ledde dessa åtgärder till en ökning av 3,5% i produktivitet med bibehållen ångdata.

Place, publisher, year, edition, pages
2018. , p. 59
Series
TRITA-ITM-EX ; 2018:494
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-230723OAI: oai:DiVA.org:kth-230723DiVA, id: diva2:1218870
External cooperation
Lanka sugar industrties limited
Examiners
Available from: 2018-06-15 Created: 2018-06-15 Last updated: 2018-06-15Bibliographically approved

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