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Star Emerson - District sized heatpumps, experiences from Drammen

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Star Emerson: District sized heatpumps, experiences from Drammen - presentation held within the Capital Summit 2015 organized by NALED and City of Belgrade, with the support of Elnos group, Star Refrigeration&Emerson Techologies and Siemens.

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Star Emerson - District sized heatpumps, experiences from Drammen

  1. 1. District sized heatpumps 13.4MW and 90°C from a chilly fjord? How we did it in Drammen.... What it means for your city Dave Pearson Star Renewable Energy
  2. 2. Emerson At-A-Glance 2014 US $24 Billion in Sales Diversified global manufacturer and technology provider Approximately 133,000 employees worldwide Headquarters in St. Louis, Missouri USA NYSE: EMR • Manufacturing and/or sales presence in more than 150 countries • 235 manufacturing locations around the world
  3. 3. Emerson Is a Leader in Its Core Global Businesses & Markets #1 Compressors #1 Controls #1 Alternators #1 Fluid Control #1 Ultrasonic Welding #1 Food Waste Disposer #1 Plumbing Tools #1 Wet/Dry Vacuums #1 Mobile Point-of-Care Carts #1 Control Valves #1 Measurement Devices #1 Wireless Devices #1 AC & DC Power Systems #1 OEM Embedded Power #1 Precision Cooling Systems #1 Access & Control (KVM) #1 Power Switching & Controls
  4. 4. Star Overview
  5. 5. Overview Energy Use.......... Transport Electricity Heating Transport – 25% Electricity – 25% (maybe higher due to cooling) Heating – 50%
  6. 6. Overview Energy Use.......... WHY TRY TO DO IT DIFFERENTLY? GLOBAL WARMING SAVE MONEY CREATE JOBS AIR QUALITY THIS SEGMENTS FOCUSES ON BIG HEATING and cooling
  7. 7. Introduction to Drammen
  8. 8. Heatpump - schematic
  9. 9. District heating - Ammonia schematic Desuperheater Seawater Circuit 73.7o C Highpressuredischarge Suction Condenser Subcooler Subcooler Economiser 60o C 70.8o C 79.4o C 87.2o C 89.5o C Economiser Intercooler Intercooler Intercooler Evaporator 8o C 4o C 92o C 60o C Low stage discharge Subcooled liquid Lowstagecompressor Highstagecompressor
  10. 10. District heating - Water heating schematic 70.6o C Desuperheater Seawater Circuit 73.7o C Condenser Subcooler Subcooler60o C 70.8o C 79.4o C 87.2o C 89.5o C Intercooler Intercooler Intercooler Evaporator 8o C 4o C 92o C 60o C Desuperheater 64.9o C Condenser Subcooler Subcooler60o C 60.4o C 87.2o C 89.5o C Intercooler Intercooler Intercooler Evaporator 8o C 4o C 92o C 60o C Desuperheater 81.5o C Condenser Subcooler Subcooler60o C 79.6o C 87.2o C 87.2o C 89.5o C Intercooler Intercooler Intercooler Evaporator 8o C 4o C 92o C 60o C 60o C90o C 95o C FROM OIL COOLERS 4o C 8o C
  11. 11. System configuration
  12. 12. The Drammenselva and the ultimate heat pump “The most efficient district heating system in Norway!” 44km SW of Oslo, Norway
  13. 13. System Installation
  14. 14. System Performance
  15. 15. Results in Drammen We achieved a 13.2MW heat pump system which: Runs almost non-stop from October to April Delivers water at 90°C; 200,000,000kWh so far Uses river water as the heat source Has an efficiency ratio of 3 (we get three times more heat out than the electricity input) Is much cheaper to run than the other heat sources: one third the cost of biomass one seventh the cost of LNG one eighth the cost of LPG Delivered 85% of the heat produce @ Drammen Jacob Borchs Gate last year (67GWh of heat supplied to the town each year)
  16. 16. Why had it never been done before?
  17. 17. Conclusions Even in winter we deliver heat for the city They involve technical challenges, but that’s what we do… MOST CITIES ON A RIVER. LOTS OF HEAT. 2GW? What about Belgrade?
  18. 18. What about Belgrade? 2 Rivers!
  19. 19. What about Beograd? Total rated installed capacity 2.832 Length of DH network 700 km (1.400 km with return pipelines) Market structure (demand) •79 percent of residential customers •21 percent of commercial customers Average annual consumption and percentage of certain fuels •app. 350 million cubic meters of natural gas (85 percent) •app. 46.000 tons of heavy fuel oil (13,5 percent) •app. 3.200 tons of coal (0,4 percent) •app. 2.000 tons of pellets (biomass – 0,25 percent) •app. 1.500 tones of briquettes (biomass – 0,2 percent) •app. 500.000 liters of heating oil (0.1 percent). Average annual production of heat energy app. 3.500.704 MWh
  20. 20. The finances? Basic cost data: At present heat costs: €45/MWh Electricity costs: €65/MWh but we get 3.5 units of heat for this at 75C, so Heatpumps sourced from the river make heat for €18.7MWh All we need is a massive infrastructure investment....but it is worth it. We can also make cooling as a by-product (data centres)
  21. 21. The finances?
  22. 22. Don’t just see a river........ see a heat source Dave Pearson Director of Star Renewable Energy dpearson@neatpumps.com Zoran Stajic Emerson Climate Technologies Zoran.stajic@emerson.com

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