Material and heat flow analysis in thermal energy storage and transport system utilizing unused heat from bagasse boiler

Sugar production is the main industry in Tanegashima, Japan. Whilst the sugar mill recycles sugarcane bagasse as a fuel, it concurrently generates large amounts of unused 200 °C heat during operation. Raw sugar is shipped to a refinery in Osaka for the final stages of production, which uses a city g...

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Autores principales: Shoma FUJII, Yuichiro KANEMATSU, Yasunori KIKUCHI, Takao NAKAGAKI
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Lenguaje:EN
Publicado: The Japan Society of Mechanical Engineers 2016
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Acceso en línea:https://doaj.org/article/c72ebf9747f64ebe8c398f1023b350fe
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spelling oai:doaj.org-article:c72ebf9747f64ebe8c398f1023b350fe2021-11-26T06:55:30ZMaterial and heat flow analysis in thermal energy storage and transport system utilizing unused heat from bagasse boiler2187-974510.1299/mej.16-00334https://doaj.org/article/c72ebf9747f64ebe8c398f1023b350fe2016-08-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/3/5/3_16-00334/_pdf/-char/enhttps://doaj.org/toc/2187-9745Sugar production is the main industry in Tanegashima, Japan. Whilst the sugar mill recycles sugarcane bagasse as a fuel, it concurrently generates large amounts of unused 200 °C heat during operation. Raw sugar is shipped to a refinery in Osaka for the final stages of production, which uses a city gas boiler to continuously generate a large quantity of 150 °C heat. However, factories in Tanegashima need a continuous supply of process steam at temperatures of up to 120 °C. To resolve this spatial and seasonal mismatch of heat, we propose a thermal energy storage and transport system using a zeolite adsorption/regeneration cycle. A process flow diagram of the sugar mill has been developed, and the amount of available heat, the potential storage capacity, and the transportable amount of heat have been calculated. Two scenarios were analyzed, in which the stored heat is shipped to Osaka, or used on the island. This was achieved by calculating the rate-based storage capacity of zeolite, based upon an adsorption and regeneration test. The transportable quantity of zeolite determines the feasibility of using waste heat. In the first case, transport of heat to the sugar refinery in Osaka has little possibility of being implemented. In the second case, transport of heat to a liquor factory in Tanegashima can potentially reduce its usage of heavy oil by 83 %, equivalent to 33 kL/year.Shoma FUJIIYuichiro KANEMATSUYasunori KIKUCHITakao NAKAGAKIThe Japan Society of Mechanical Engineersarticleheat storagebiomass energyzeolite adsorption and regeneration cyclesugarcane bagassesugar milling processunused heat utilizationMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 3, Iss 5, Pp 16-00334-16-00334 (2016)
institution DOAJ
collection DOAJ
language EN
topic heat storage
biomass energy
zeolite adsorption and regeneration cycle
sugarcane bagasse
sugar milling process
unused heat utilization
Mechanical engineering and machinery
TJ1-1570
spellingShingle heat storage
biomass energy
zeolite adsorption and regeneration cycle
sugarcane bagasse
sugar milling process
unused heat utilization
Mechanical engineering and machinery
TJ1-1570
Shoma FUJII
Yuichiro KANEMATSU
Yasunori KIKUCHI
Takao NAKAGAKI
Material and heat flow analysis in thermal energy storage and transport system utilizing unused heat from bagasse boiler
description Sugar production is the main industry in Tanegashima, Japan. Whilst the sugar mill recycles sugarcane bagasse as a fuel, it concurrently generates large amounts of unused 200 °C heat during operation. Raw sugar is shipped to a refinery in Osaka for the final stages of production, which uses a city gas boiler to continuously generate a large quantity of 150 °C heat. However, factories in Tanegashima need a continuous supply of process steam at temperatures of up to 120 °C. To resolve this spatial and seasonal mismatch of heat, we propose a thermal energy storage and transport system using a zeolite adsorption/regeneration cycle. A process flow diagram of the sugar mill has been developed, and the amount of available heat, the potential storage capacity, and the transportable amount of heat have been calculated. Two scenarios were analyzed, in which the stored heat is shipped to Osaka, or used on the island. This was achieved by calculating the rate-based storage capacity of zeolite, based upon an adsorption and regeneration test. The transportable quantity of zeolite determines the feasibility of using waste heat. In the first case, transport of heat to the sugar refinery in Osaka has little possibility of being implemented. In the second case, transport of heat to a liquor factory in Tanegashima can potentially reduce its usage of heavy oil by 83 %, equivalent to 33 kL/year.
format article
author Shoma FUJII
Yuichiro KANEMATSU
Yasunori KIKUCHI
Takao NAKAGAKI
author_facet Shoma FUJII
Yuichiro KANEMATSU
Yasunori KIKUCHI
Takao NAKAGAKI
author_sort Shoma FUJII
title Material and heat flow analysis in thermal energy storage and transport system utilizing unused heat from bagasse boiler
title_short Material and heat flow analysis in thermal energy storage and transport system utilizing unused heat from bagasse boiler
title_full Material and heat flow analysis in thermal energy storage and transport system utilizing unused heat from bagasse boiler
title_fullStr Material and heat flow analysis in thermal energy storage and transport system utilizing unused heat from bagasse boiler
title_full_unstemmed Material and heat flow analysis in thermal energy storage and transport system utilizing unused heat from bagasse boiler
title_sort material and heat flow analysis in thermal energy storage and transport system utilizing unused heat from bagasse boiler
publisher The Japan Society of Mechanical Engineers
publishDate 2016
url https://doaj.org/article/c72ebf9747f64ebe8c398f1023b350fe
work_keys_str_mv AT shomafujii materialandheatflowanalysisinthermalenergystorageandtransportsystemutilizingunusedheatfrombagasseboiler
AT yuichirokanematsu materialandheatflowanalysisinthermalenergystorageandtransportsystemutilizingunusedheatfrombagasseboiler
AT yasunorikikuchi materialandheatflowanalysisinthermalenergystorageandtransportsystemutilizingunusedheatfrombagasseboiler
AT takaonakagaki materialandheatflowanalysisinthermalenergystorageandtransportsystemutilizingunusedheatfrombagasseboiler
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