geotermalni sistemi daljinskega ogrevanja …
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GEOTERMALNI SISTEMI DALJINSKEGA OGREVANJA GEOTHERMAL DISTRICT HEATING SYSTEMS
Daljinsko ogrevanje in hlajenje
District heating and cooling
Alojz Poredoš SDDE
UL, Fakulteta za strojništvo
District heat and cold supply Daljinska oskrba s toploto in hladom
- odvečna toplota - surplus heat
- OVE (geotermalna) - RES (geothermal)
- odpadki - waste
- plin - gas
- odvečna toplota - surplus heat
- OVE (geotermalna) - RES (geothermal)
- električna energija - electricity
- premog - coal
Prednosti daljinskega ogrevanja in hlajenja Advantages of district heating and cooling
Za uporabnike For users - potrebno malo prostora v objektu - need for less space in building - nizka investicija, relativno nizka cena ogrevanja in hlajenja, poceni vzdrževanje - low investment, energy and maintain cost of heating and cooling - ni potrebe po dodatni opremi (kotel, hladilnik, hranilnik, dimnik, deponija goriva) - no need for additional equipment (boiler, refrig., acumulator, chimny, landfill) - ni nevarnosti požara, eksplozije, nevarnih snovi - no danger of fire, explosion, danger substances - večje udobje (avtomatizirano in neprekinjeno delovanje, ni skrbi za energent) - higher comfort (automatic and continous opearation, no concern on fuel
Energetska učinkovitost in varovanje okolja Energy efficiency and environment protection - višja vrednost faktorja primarne energije FPE - higher FPE factor - višji energijski izkoristki - higher energy efficiency - nižje emisije - lower emisions
DO
pe
DOQ
EFPE
Daljinsko ogrevanje (DO) in hlajenje (DH)v Sloveniji -
District heating (DO) and cooling (DH) in Slovenia
Daljinsko ogrevanje Daljinsko hlajenje District heating District cooling • Število sistemov
Number of systems 52 1
• Celotna instalirana moč vseh sistemov
Total installed capacity 3.300 MW 1,1 MW
• Celotna dolžina omrežja
Total network lenght 722 km 5,3 km
• Število uporabnikov
Number of consumers 113,267 4
• Ogrevana/hlajena stanovanjska površina
Residental heated/cooled space 8,005,861 m2 23,500 m2
• Celotna dobavljena toplota/hlad
Total heat/cold supply 3100 GWh 1,16 GWh
• Viri - Energy sources
-Premog - coal 55% Kogeneracija
-Zemeljski plin - gas 31% odvečna toplota
-OVE - RES 14% CHP
-Ostalo - Others 3% Surplus heat
Deleži daljinskega ogrevanja v oskrbi s toploto Share of district heating in heat supply
Vir/Source: EUROHEAT&POWER – District heating and cooling, Country by country 2009
Hlajenje stavb sedanje stanje (primerljivo z ogrevanjem leta 1950)
Buildings cooling – present situation (compared to heating in 1950)
Hlajenje stavb sedanje stanje (primerljivo z ogrevanjem leta 1950)
Buildings cooling – present situation (compared to heating in 1950)
Central cold production
Cold distribution: water, water solution, ice slurry
Cold water
Hot water
Building
Daljinsko hlajenje s centralno pripravo hladu
Central district cooling systems
Daljinsko hlajenje s centralno pripravo hladu
Central district cooling systems
Local cold production
Absorptioni
chiller
Cooling
tower
COLD
Daljinsko hlajenje z lokalno pripravo hladu
Local district cooling systems
Daljinsko hlajenje z lokalno pripravo hladu
Local district cooling systems
Hladilne tehnologije
Cooling technologies
Hladilne tehnologije
Cooling technologies
Absorpcijski hladilnik Absorption chiller
Kompresorski hladilnik Compressor chiller
BROAD
YORK