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File:Generations of district heating systems EN.svg

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Summary

Description
Deutsch: Die Grafik zeigt die 4 verschiedenen Generation von Fernwärmesystemen samt ihren Wärmequellen
English: In this picture the 4 different generations of district heating systems are shown, including the heat sources
Date
Source

Based on [1] and Henrik Lund et al: 4th Generation District Heating (4GDH): Integrating smart thermal grids into future sustainable energy systems. Energy 68, 2014, 1-11, doi:10.1016/j.energy.2014.02.089

de:Wikipedia:Grafikwerkstatt#Fernwärmegenerationen
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Deutsch: Text in SVG:
  • Vorlauf
  • Rücklauf
  • Energieeffizienz
  • 50-60°C (70°C) (Ultra-Niedrigtemperatur Fernwärme <50°C)
  • ~25°C
  • <70°C
  • <100°C
  • >100°C
  • <45°C
  • <200°C
  • <80°C
  • 1G / 1880-1930
  • 4G / 2020-2050
  • 3G / 1980-2020
  • 2G / 1930-1980
  • Entwicklung (Fernwärmegeneration) / Zeitraum Stand der Technik
  • Fernwärmenetz
  • Fernkältenetz
  • Energieeffizienz /Temperaturlevel
  • 1. Generation: Dampf
  • Dampfbetriebenes System, Dampfleitungen in Betonführungen
  • Heißwassersystem mit Druckleitungen, schwere Anlagenteile, große vor Ort errichtete Technik
  • vorgedämmte Leitungen, Industrialisierte kompakte, Übergabestationen mit Wärmedämmung, Wärmezählung und Überwachung
  • 4. Generation
  • Niedriger Energiebedarf, Intelligentes Energiesystem (optimale Wechselwirkungen zwischen Energiequellen, Verteilung und Verbrauch), Zweiwegesystem
  • 2. Generation: vor Ort errichtetes System
  • 3. Generation: Vorgefertigtes System
  • Dampfspeicher
  • Kohle, Müll
  • Nahwärme
  • KWK Kohle, KWK Erdöl
  • Solare Fernwärme
  • Bioenergie, Bioenergie KWK
  • KWK Müll, KWK Öl, KWK Kohle
  • Heizwerke Müll, Öl, Kohle
  • Müllheizkraftwerk KWK
  • Potentielle zukünftige Energiequellen
  • industrielle Biomassekonversion
  • Fernwärme
  • Industrieabwärme
  • Rechenzentren
  • Saisonale Wärmespeicher
  • Geothermie
  • Stromüberschüsse, Ökostrom
  • 2-Wege-Nutzung, z.B. Supermarkt (Prosumer)
  • Zentrale Fernkältewerke
  • zentrale Großwärmepumpen
  • Nutzung auch in Niedrigenergiehäusern (möglich)
  • Kältespeicher
  • Solare Fernwärme
  • Wärmespeicher
  • Bioenergie, KWK
English: Text in SVG:
  • Biomass, CHP Biomass
  • CHP waste, CHP oil, CHP coal
  • Gas waste, Oil, Coal
  • Future energy source
  • Biomass conversion
  • 2-way District Heating e.g. supermarket
  • Centralised district cooling plant
  • Centralised heat pump
  • Coldstorage
  • Industry surplus
  • Heatstorage
  • CHP Biomass
  • CHP coal, CHP oil
  • Steamstorage
  • Local District Heating
  • Data center
  • Seasonal heat storage
  • Geothermal
  • PV, Wave, Wind surplus, Electricity
  • CHP waste incineration
  • Also low energy buildings
  • Coal, Waste
  • District Heating
  • Large scale solar
  • Development (District Heating generation) / Period of best available technology
  • District heating grid
  • District cooling grid
  • Large scale solar
  • Energy efficiency / temperature level
  • 1G: STEAM
  • Steam system, steam pipes in concrete ducts
  • 2G: IN SITU
  • Pressurised hot-water system, Heavy equipment, Large ”build on site” stations
  • 3G: PREFABRICATED
  • Pre-insulated pipes, Industrialised compact substations (also with insulation), Metering and monitoring
  • 4G: 4th GENERATION
  • Low energy demands, Smart energy (optimum interaction of energy sources, distribution and consumption), 2-way DH
  • DH flow
  • Energy efficiency
  • 50-60°C (70°C) (ULTDH <50°C)
  • ~25°C
  • <70°C
  • <100°C
  • >100°C
  • <45°C
  • <200°C
  • DH return
  • <80°C
  • 1G / 1880-1930
  • 4G / 2020-2050
  • 3G / 1980-2020
  • 2G / 1930-1980

Captions

Picture showing the 4 different generations of district heating systems, including the heat sources

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inception

11 July 2018

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Date/TimeThumbnailDimensionsUserComment
current17:23, 12 July 2018Thumbnail for version as of 17:23, 12 July 20181,362 × 1,003 (1.16 MB)Mrmwsmall changes
20:45, 11 July 2018Thumbnail for version as of 20:45, 11 July 20181,362 × 1,003 (191 KB)Mrmw{{Information |description ={{en|1=a}} |date = |source =a |author =a }}

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