Building level substation: The innovation of district heating system

Kari Sipilä, Arto Nuorkivi, Jorma Pietiläinen

    Research output: Book/ReportReport

    Abstract

    The building level substation (BLS) is suggested here as an innovation to the District Heating (DH) sector development in China. Introduction of the BLS would provide obvious benefits in improved energy efficiency and living comfort, but it also faces institutional barriers to overcome. CHP concept will be described, and the economic, institutional and technical issues associated to BLS will be addressed. The BLS units are prefabricated compact products that are designed, manufactured and tested at the factory ready for transportation to the construction site, where the complete BLS unit will be mounted to the floor, connected to the existing indoor piping of heating and water, the remote communication facilities as well as to power supplies of the building. The BLS as an integrated plate heat exchange unit shall be prefabricated and assembled and successfully tested both hydraulically and electrically in the factory already to meet the high functional and low noise requirements, and if he so wishes, at the presence of the Borrower's representative. Its base and brazed structures should have sufficient intensity and stability. Domestic hot water (DHW) can also be integrated to DH. BLS makes it possible to complement the DH with DHW afterwards at low incremental costs: a small heat exchanger and a small circulation pump as well as connection to the existing DHW and city water piping are needed.
    Original languageEnglish
    Place of PublicationEspoo
    PublisherVTT Technical Research Centre of Finland
    Number of pages35
    ISBN (Electronic)978-951-38-8349-2
    ISBN (Print)978-951-38-8348-5
    Publication statusPublished - 2015
    MoE publication typeNot Eligible

    Publication series

    SeriesVTT Technology
    Number231
    ISSN2242-1211

    Fingerprint

    District heating
    Innovation
    Water
    Industrial plants
    Heat exchangers
    Energy efficiency
    Pumps
    Heating
    Economics
    Communication
    Costs

    Keywords

    • district heating
    • heating substation
    • building

    Cite this

    Sipilä, K., Nuorkivi, A., & Pietiläinen, J. (2015). Building level substation: The innovation of district heating system. Espoo: VTT Technical Research Centre of Finland. VTT Technology, No. 231
    Sipilä, Kari ; Nuorkivi, Arto ; Pietiläinen, Jorma. / Building level substation : The innovation of district heating system. Espoo : VTT Technical Research Centre of Finland, 2015. 35 p. (VTT Technology; No. 231).
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    abstract = "The building level substation (BLS) is suggested here as an innovation to the District Heating (DH) sector development in China. Introduction of the BLS would provide obvious benefits in improved energy efficiency and living comfort, but it also faces institutional barriers to overcome. CHP concept will be described, and the economic, institutional and technical issues associated to BLS will be addressed. The BLS units are prefabricated compact products that are designed, manufactured and tested at the factory ready for transportation to the construction site, where the complete BLS unit will be mounted to the floor, connected to the existing indoor piping of heating and water, the remote communication facilities as well as to power supplies of the building. The BLS as an integrated plate heat exchange unit shall be prefabricated and assembled and successfully tested both hydraulically and electrically in the factory already to meet the high functional and low noise requirements, and if he so wishes, at the presence of the Borrower's representative. Its base and brazed structures should have sufficient intensity and stability. Domestic hot water (DHW) can also be integrated to DH. BLS makes it possible to complement the DH with DHW afterwards at low incremental costs: a small heat exchanger and a small circulation pump as well as connection to the existing DHW and city water piping are needed.",
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    Sipilä, K, Nuorkivi, A & Pietiläinen, J 2015, Building level substation: The innovation of district heating system. VTT Technology, no. 231, VTT Technical Research Centre of Finland, Espoo.

    Building level substation : The innovation of district heating system. / Sipilä, Kari; Nuorkivi, Arto; Pietiläinen, Jorma.

    Espoo : VTT Technical Research Centre of Finland, 2015. 35 p. (VTT Technology; No. 231).

    Research output: Book/ReportReport

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    T1 - Building level substation

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    AU - Sipilä, Kari

    AU - Nuorkivi, Arto

    AU - Pietiläinen, Jorma

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    N2 - The building level substation (BLS) is suggested here as an innovation to the District Heating (DH) sector development in China. Introduction of the BLS would provide obvious benefits in improved energy efficiency and living comfort, but it also faces institutional barriers to overcome. CHP concept will be described, and the economic, institutional and technical issues associated to BLS will be addressed. The BLS units are prefabricated compact products that are designed, manufactured and tested at the factory ready for transportation to the construction site, where the complete BLS unit will be mounted to the floor, connected to the existing indoor piping of heating and water, the remote communication facilities as well as to power supplies of the building. The BLS as an integrated plate heat exchange unit shall be prefabricated and assembled and successfully tested both hydraulically and electrically in the factory already to meet the high functional and low noise requirements, and if he so wishes, at the presence of the Borrower's representative. Its base and brazed structures should have sufficient intensity and stability. Domestic hot water (DHW) can also be integrated to DH. BLS makes it possible to complement the DH with DHW afterwards at low incremental costs: a small heat exchanger and a small circulation pump as well as connection to the existing DHW and city water piping are needed.

    AB - The building level substation (BLS) is suggested here as an innovation to the District Heating (DH) sector development in China. Introduction of the BLS would provide obvious benefits in improved energy efficiency and living comfort, but it also faces institutional barriers to overcome. CHP concept will be described, and the economic, institutional and technical issues associated to BLS will be addressed. The BLS units are prefabricated compact products that are designed, manufactured and tested at the factory ready for transportation to the construction site, where the complete BLS unit will be mounted to the floor, connected to the existing indoor piping of heating and water, the remote communication facilities as well as to power supplies of the building. The BLS as an integrated plate heat exchange unit shall be prefabricated and assembled and successfully tested both hydraulically and electrically in the factory already to meet the high functional and low noise requirements, and if he so wishes, at the presence of the Borrower's representative. Its base and brazed structures should have sufficient intensity and stability. Domestic hot water (DHW) can also be integrated to DH. BLS makes it possible to complement the DH with DHW afterwards at low incremental costs: a small heat exchanger and a small circulation pump as well as connection to the existing DHW and city water piping are needed.

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    KW - building

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    Sipilä K, Nuorkivi A, Pietiläinen J. Building level substation: The innovation of district heating system. Espoo: VTT Technical Research Centre of Finland, 2015. 35 p. (VTT Technology; No. 231).