Ground Source Heat Pump Systems Utilization Campus Renovation Planningin Fukushima Prefecture, Pioneer Region at Renewable Energy

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  • 再エネ先駆けの地･福島での地中熱利用キャンパス改修計画
  • 再エネ先駆けの地・福島での地中熱利用キャンパス改修計画(第2報)空調・給湯・道路融雪設備への地中熱利用と熱源水ネットワーク計画
  • サイエネ サキガケ ノ チ ・ フクシマ デ ノ チチュウ ネツ リヨウ キャンパス カイシュウ ケイカク(ダイ2ホウ)クウチョウ ・ キュウトウ ・ ドウロ ユウセツ セツビ エ ノ チチュウ ネツ リヨウ ト ネツゲンスイ ネットワーク ケイカク
  • －2nd Report : Plan Examination on Air Conditioning, Hot Water Supply, Road Snow Melting Systems Utilizing GSHP and Heat Source Water Network System－
  • －第2 報：空調･給湯･道路融雪設備への地中熱利用と熱源水ネットワーク計画－

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<p> Whole planning process and method for introducing ground source heat used for heat pump air conditioning system to three buildings was described. Method of calculating total extension and required area of ground heat exchanger from setting of cooling and heating load for air conditioning systems was described. When introducing groundwater heat used for hot water supply system for heat pump in student dormitory, procedure for setting heating load and selecting heat pump and hot water storage tank capacity for hot water supply system was shown. In addition, road snow melting system by free heating that uses the heat of wastewater treatment equipment as unused thermal (temperature difference thermal) is also described. Utility tunnel (common ditch) has been set up on the campus from beginning. Heat source water network plan was established to effectively utilize ground source heat through heat source water network system in this utility tunnel. There is large gap in electricity demand between during day and night hours on the campus. Consideration was given to installing thermal storage tank in order to eliminate electricity demand difference between day and night hours. At some future date, thermal storage tank is likely to be used for purpose of operating heat pump and storing heat by using surplus electric power of photovoltaics.</p>

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