District heating and cooling in Stockholm Site visit to the ... - geo.power
District heating and cooling in Stockholm Site visit to the ... - geo.power
District heating and cooling in Stockholm Site visit to the ... - geo.power
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<strong>District</strong> <strong>heat<strong>in</strong>g</strong> <strong>and</strong> <strong>cool<strong>in</strong>g</strong> <strong>in</strong><strong>S<strong>to</strong>ckholm</strong><strong>Site</strong> <strong>visit</strong> <strong>to</strong> <strong>the</strong> Ropsten plantMy name: Anders Hill<strong>and</strong>ers.hill@fortum.com2012-05-031Heat / Anders Hill
Agenda• Introduction• Short overview over <strong>the</strong> plant• Intro <strong>to</strong> <strong>District</strong> Cool<strong>in</strong>g• Fortum Heat Pump plants• Ropsten 1,22Heat / Anders Hill
Värtan Plant - a Century of Energy3Heat / Anders Hill
The Värtan Trigeneration PlantMaximum capacity•CHP (“KVV 6”) 145 MW el /310MW heat• Biooil fired CHP 190 MW el /320 MW heat• Heat pumps/chillers• Peak load boilers• Electric boilers• Gas turb<strong>in</strong>e 3• Accumula<strong>to</strong>r275 MW heat/150 MW <strong>cool<strong>in</strong>g</strong>620 MW heat230 MW heat54 MW el40 000 m 3 / 2 000 MWhEnergy production/2009NIMROD• Heat• Power• Cool<strong>in</strong>g3 287 GWh/year930 GWh/year313 GWh/year4Heat / Anders Hill
Fuel H<strong>and</strong>l<strong>in</strong>g <strong>in</strong> an Urban EnvironmentTHE NORTH QUAY5Heat / Anders Hill
Så fungerar fjärrkylaThis is how it works41231. Cold seawater used<strong>to</strong> cool <strong>the</strong> closed waterloop of <strong>the</strong> <strong>District</strong>Cool<strong>in</strong>g system. Theseawater is <strong>the</strong>nreturned <strong>to</strong> <strong>the</strong> lake2. Energy from <strong>the</strong>district <strong>cool<strong>in</strong>g</strong> systemis recovered <strong>and</strong>recycled <strong>in</strong> <strong>the</strong> district<strong>heat<strong>in</strong>g</strong> system3. Nighttime <strong>and</strong> timeswhen <strong>the</strong> need for <strong>cool<strong>in</strong>g</strong>is limited, cold water iss<strong>to</strong>red <strong>in</strong> <strong>the</strong> accumula<strong>to</strong>r4. The low temperature <strong>in</strong> <strong>the</strong>district <strong>cool<strong>in</strong>g</strong> system istransferred <strong>to</strong> <strong>the</strong> build<strong>in</strong>g'sclosed loop distribution systemvia a heat exchanger.6Heat / Anders Hill
Agenda• Introduction• Short overview over <strong>the</strong> plant• Intro <strong>to</strong> <strong>District</strong> Cool<strong>in</strong>g• Fortum Heat Pump plants• Ropsten 1,27Heat / Anders Hill
<strong>District</strong> Cool<strong>in</strong>g <strong>in</strong> <strong>S<strong>to</strong>ckholm</strong> city• 600 build<strong>in</strong>gs• 204 km pip<strong>in</strong>g• PN 10-16 bar8Heat / Anders HillHeat / Ebba Jemt
<strong>District</strong> <strong>cool<strong>in</strong>g</strong> value - cus<strong>to</strong>mer valueSimpler Safer Cleaner• M<strong>in</strong>imal ma<strong>in</strong>tenancerequirements• Free space <strong>in</strong> <strong>and</strong>around <strong>the</strong> build<strong>in</strong>g• The need of <strong>cool<strong>in</strong>g</strong>is equal withconsumed <strong>cool<strong>in</strong>g</strong>• Predictable economy• High reliability• Safe <strong>cool<strong>in</strong>g</strong> supplies• Long-term <strong>and</strong>reliable <strong>in</strong>vestment• Proven technology• No noise, local, or <strong>to</strong>environment• Better use of energy• Reduc<strong>in</strong>g carbondioxide emissions<strong>and</strong> refrigerants• Better managemen<strong>to</strong>f Earth's resources9Heat / Anders HillHeat / Ebba Jemt
DC <strong>in</strong> <strong>S<strong>to</strong>ckholm</strong> <strong>to</strong>day?GWhStatus 2010• Approx. 135 cus<strong>to</strong>mers• Approx. 600 build<strong>in</strong>gs connected• Connected load ~ 330 MW• Avrage cus<strong>to</strong>mer ~ 500 kW• Range 8-7 000 kW10Heat / Anders HillHeat / Ebba Jemt
Production mix <strong>District</strong> Cool<strong>in</strong>g 201013(3,8)76 (3,5)Production 2010• COP c = 6,9• Percentage free-/waste<strong>cool<strong>in</strong>g</strong> 57%140 (39)Free <strong>cool<strong>in</strong>g</strong>124 (5,7)Waste <strong>cool<strong>in</strong>g</strong>HP <strong>cool<strong>in</strong>g</strong>Chillers11Heat / Anders HillHeat / Ebba Jemt
“Free <strong>cool<strong>in</strong>g</strong>“4 0 Cprocess12Heat / Anders HillHeat / Ebba Jemt
Waste Cool<strong>in</strong>g from Heat PumpDH 80 o CHeat source4 o CHeatexchangerDC 6 o CDC 16 o C13Heat / Anders HillHeat / Ebba Jemt
Agenda• Introduction• Short overview over <strong>the</strong> plant• Intro <strong>to</strong> <strong>District</strong> Cool<strong>in</strong>g• Fortum Heat Pump plants• Ropsten 1,214Heat / Anders Hill
Heat Pump <strong>in</strong> focus• Fortum has 6 bigger heat pump plants <strong>in</strong> <strong>S<strong>to</strong>ckholm</strong>, most of <strong>the</strong>m aredesigned <strong>to</strong> produce heat <strong>and</strong> <strong>cool<strong>in</strong>g</strong> simultaneously.<strong>Site</strong> <strong>visit</strong>Heat<strong>in</strong>g Cool<strong>in</strong>g– Ropsten1 & 2 150 MW 0 MW– Ropsten 3 100 MW 110 MW– Nimrod 36 MW 48 MW– Hammarby 230 MW 40 MW– Kista/Akalla 25 MW 48 MW– Vilunda 44 MW 10 MW15Heat / Anders Hill
Our his<strong>to</strong>ry– district <strong>heat<strong>in</strong>g</strong> reduces <strong>the</strong> emissions <strong>in</strong><strong>S<strong>to</strong>ckholm</strong>16Heat / Anders HillHeat / Ebba Jemt
<strong>District</strong> Heat<strong>in</strong>g based on renewable <strong>and</strong> recoveredenergy14%14%13%19%37%31%BiofuelWasteEnergy from sea- <strong>and</strong> treated sewage water35%21%16%ElectricityFossil fuels17Heat / Anders HillHeat / Ebba Jemt
MW2600Example of a duaration diagramVaraktighetskurva CentralaSödra FV24002200200018001600140012001000800600400200OljaKVV1bioBiooljaPelletsVPKVV6k kolreserv 1KVV returbrKVV avfallDiv prio1800 1 2 3 4 5 6 7 8Heat / Anders HillHeat / Ebba Jemt 1000 h/år
Agenda• Introduction• Short overview over <strong>the</strong> plant• Intro <strong>to</strong> <strong>District</strong> Cool<strong>in</strong>g• Fortum Heat Pump plants• Ropsten 1,219Heat / Anders HillHeat / Ebba Jemt
Ropsten 1, 2a sea water based heat pump plant ~150 MW6 unitsTwo stage turbocompressorsTube <strong>in</strong> shell condensersOpen spray evapora<strong>to</strong>rs,water flow ~3 m 3 /s perunitTHE NORTH QUAYWooden tube as water<strong>in</strong>take 170 m long 3 mdiameter20Heat / Anders HillHeat / Ebba Jemt
Thank you for listen<strong>in</strong>gSome rules for <strong>the</strong> plant <strong>visit</strong> (The plant is ”Restricted area”)– Please do not smoke– Unfortunately you are no longer allowed <strong>to</strong> take pictures <strong>in</strong>side <strong>the</strong> plantwithout special permit– Use <strong>the</strong> hard hats (helmets) that we will provide you with– Please follow <strong>the</strong> <strong>in</strong>struction given by <strong>the</strong> guides– We are happy <strong>to</strong> answer any questions you have, <strong>to</strong> <strong>the</strong> best of our ability– There will be three guides at <strong>the</strong> site. Fredric Wenger, Christer Boberg <strong>and</strong>my self, Anders Hill.– Good luck <strong>and</strong> enjoy <strong>the</strong> <strong>visit</strong>21Heat / Anders HillHeat / Ebba Jemt
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