Geothermal Ice Arenas

Transcription

1 Geothermal Ice Arenas For more information, call: Ltd. 41 St. Paul Blvd. West St. Paul, MB R2P 2W5 Ph: (204) Fax: (204) Website: ICE Ice KUBE Kube Systems SYSTEMS

2 More Efficient Ice Arenas System integration Using the Earth A more efficient rink floor Efficient, user friendly equipment Efficient distribution A better building

3 Conventional System Greenhouse gases Energy thrown out! $ $ $ $ $ $ $ $ $ $ $ $ $ $ Energy to heat building Ice more energy to make ice!

4 Typical Conventional System Burning gas to heat building while dumping heat Dumping exhaust air without heat recovery & burning gas to heat fresh air Burning gas to make hot water while dumping heat from ice Dumping snow that could cool condenser & make ice more efficiently

5 Where Do We Take Heat From? Hockey Arena The ice Thermal storage buffer* Or the Earth Ice Kube Ice Buffer Earth loop *Can. Patent #2,273,760, U.S. patent #6,170,278 for thermal storage buffer & floor design 5

6 Where Can We Use the Heat? Hockey Arena Heating, cooling & dehumidification Ice Buffer Ice Kube Heating & cooling Hot water Floor heat Heat the building Make hot water Melt snow Heat, cool & dehumidify rink Or store it in the Earth Snow melt Earth loop 6

7 Anywhere Else Can We Use It? Other nearby buildings Swimming pools Use your imagination!! Heating, cooling & dehumidification Ice Ice Kube Heating & cooling Hot water Snow melt Space heating & cooling Buffer Floor heat Pool heat Earth loop 7

8 More Efficient Ice Arenas System integration Using the Earth A more efficient rink floor Efficient, user friendly equipment Efficient distribution A better building

9 Earth is Like a Storage Battery 17% reflected by clouds. 6% reflected by surface. 19% absorbed by water vapor, dust 4% absorbed by clouds. Ice Rink Up to 100% of the heat taken from the ice can absorbed by the earth and taken out when needed U.S. Dept. of Energy 47% absorbed by ground 9

10 Energy Storage & Energy Source Horizontal earth loop Lake loop ready for installation Vertical loop being drilled

11 More Efficient Ice Arenas System integration Using the Earth A more efficient rink floor A more efficient rink floor Efficient, user friendly equipment Efficient distribution A better building

12 Conventional Rink Floor Design Rink pipe Ice surface Concrete floor Under ice heating pipe High density foam insulation

13 Thermal Storage Buffer* Buffer pipe Rink trim pipe Ice surface Concrete floor Under ice heating pipe High density foam insulation *Can. Patent #2,273,760, U.S. patent #6,170,278 for thermal storage buffer & floor design

14 Buffer Installation Insulated buffer walls HDPE fusion welded pipe *Can. Patent #2,273,760, U.S. patent #6,170,278 for thermal storage buffer & floor design

15 Conventional Rink Pipe Layout Pipe extends beyond rink corners frost buildup outside rink area Header trench

16 Optimized Rink Pipe Layout Valved headers in mechanical room Fewer, longer circuits *Can. Patent #2,273,760, U.S. patent #6,170,278 for thermal storage buffer & floor design

17 Rink Pipe Headers Rink pipe circuits are brought into mechanical room & individually valved. Benefits are: No header trench in ice area Circuits can be isolated if leaking Easier to flush air from system Fewer circuits allow good heat transfer with lower flow and smaller pumps Valves on each circuit Pipe under floor to ice or to floor heat *Can. Patent #2,273,760, U.S. patent #6,170,278 for thermal storage buffer & floor design

18 Even Ice Temperatures Insulation Buffer pipe Insulation Conventional Floor All heat removed by rink pipe more temperature variation between pipes Thermal Storage Buffer Heat removed by rink pipe & cold buffer more even ice temperatures *Can. Patent #2,273,760, U.S. patent #6,170,278 for thermal storage buffer & floor design

19 More Efficient Ice Arenas System integration Using the Earth A more efficient rink floor Efficient, user friendly equipment Efficient distribution A better building

20 Conventional Refrigeration Plant hp brine circulation pumps hp open compressors pounds of ozone depleting or toxic refrigerant Built on site with specialized components Designed for specific temperature range Open compressors, noisy Large physical size, typically requires outside door access Special ventilation needed for toxic refrigerant

21 Conventional Refrigeration Plant Open compressors require rebuild every 6-8,000 hours of runtime (every years) Compressor oil must be drained regularly to stop performance degradation (waste oil must be disposed of properly, oil cost $500-$1,500 annually) Specialized service technicians & operators needed

22 Low Temperature Heat Pumps Small amount of green refrigerant - R404A Off the shelf components Modular system design Large temperature range Durable stainless steel construction Small size, fits easily through standard doorway Easily serviced by local refrigeration technician

23 Ice KubeTM vs R22 Heat Pumps* 80 Entering Condenser Fluid Temperature - 80 F Kilowatt Capacity & Demand Lower Temperatures Higher Efficiency 0-10 F 0 F 10 F 20 F 30 F 40 F Evaporator Entering Fluid Temperature Ice Kube Capacity Ice Kube kw Demand R22 Heat Pump Capacity R22 Heat Pump kw Demand * 30-ton water-to-water unit with R22

24 More Efficient Ice Arenas System integration Using the Earth A more efficient rink floor Efficient, user friendly equipment Efficient distribution A better building

25 COP vs. Τ 8 Coefficient of Performance As temperature difference increases, efficiency decreases Temperature Difference ( F)

26 Radiant Seat Heat Keeps the important parts warm!

27 Radiant Floor Heat Installation Floor heat pipe through hallways and into dressing rooms keeps area dry and comfortable Heated seats keeps spectators comfortable Snowmelt at entrance

28 More Efficient Ice Arenas System integration Using the Earth A more efficient rink floor Efficient, user friendly equipment Efficient distribution A better building

29 Other Efficiency Measures Efficient lighting Low-emissive ceiling material Reduce ventilation loads with heat recovery Electric or battery operated ice-resurfacing equipment Snowmelt used to cool condensing temperature

30 Efficient Lighting High Efficiency Florescent Sport Lights Low level lighting for maintenance Medium level lighting for practices High level lighting for games

31 Low Emissivity Ceiling More reflected light Less condensation Better acoustics

32 How Low E Ceiling Works Absorbs & emits more heat than a shiny surface Emits heat & cools more than shiny surface allowing condensation to form Less heat emitted less condensation

33 Reduced Ventilation Loads Heat recovery ventilation system reduces heat loss significantly

34 Ventilation Heat recovery ventilator exhausts air from locker rooms & washrooms creating negative pressure in areas producing odors. Fresh air supplied to arena. Transfer grills from arena supply air to locker rooms etc. Most areas heated by radiant floor heat Benefit: No ductwork for dust to build up in & bacteria to grow in less chance of disease transfer

35 Resurfacing Ice Snow removed from ice helps cool earth loop Electric or battery powered ice resurfacing equipment reduces ventilation load requirements

36 A Few Examples Swan Lake Rec. Centre, Swan Lake, MB Miami Hockey Arena, Miami, MB Saugeen Shores Arena, Port Elgin, ON Moncton Sports-Plex, Moncton, NB

37 Swan Lake Recreation Centre Swan Lake, Manitoba 5 sheet curling rink (heated) 10,000 sq.ft. viewing area, locker rooms & day care - radiant floor heating 85 x 200 hockey rink (unheated) with Buffer Horizontal loop Built in 1993 National Energy Efficiency Award in 1999 $14,000-15,000 15,000 annual energy cost

38 Swan Lake Recreation Centre Energy Cost Comparison To A Third the Energy Use of Conventional Systems! kwhrs/sq. ft One Half... Gas Electric 0 Swan Lake Rink A Rink B Rink C

39 Miami Hockey Rink & Hall Miami, Manitoba Rink built in 1952 natural ice till 98 Usable sand floor Electric Heat in viewing area & lockers Hall (400 people) built in 60 s Electric heat, propane make up air

40 Miami Rink & Hall Miami Rink & Community Hall in background Rink interior showing viewing area & 2 nd floor hall

41 Miami Hockey Rink & Hall Miami, Manitoba Ice Rink Hall Phase 1: 1 Ice Kube tm installed to make ice. Two geothermal units to heat and cool viewing area & locker rooms Phase 2: 2 Geothermal units installed to heat & cool Hall using loop installed for rink Phase 3: Add 2nd Ice Kube tm & extra loop to increase ice making capacity

42 Miami Mechanical Room Rink pipe header behind Ice Kube tm Unit 2 nd unit can be stacked above first 13.5 hp Ice Kube tm, 2 hp rink pump & 1.5 hp loop pump 10 x 10 mechanical room in corner of ice shed

43 Miami Energy Consumption kwhr 450, , , , , , , ,000 50,000 30% less energy than natural ice 65% less energy than conventional system Hall-Prop Hall-Elec Rink 0 96/97 97/98 98/99 Conv. 99/00 Natural Ice & Electric In Rink & Hall Geo in Rink Electric in Hall Conventional System* *projected Geo in Rink & Hall* *projected

44 Miami Peak Demand Peak Demand (KVA) /97 97/98 98/99 Conv. 99/00 Natural Ice & Electric In Rink & Hall Geo in Rink Electric in Hall Conventional System* *Projected Geo in Rink & Hall* *Projected 24% lower peak than natural ice 60% lower than conventional Hall Rink

45 CO 2 Emissions Miami, MB 90 Tons of Carbon Dioxide Emissi % less greenhouse gas emissions than conventional system 0 Conventional System Ice Kube System *Based on average CO 2 emissions for electricity produced in Canada 187 kg/1,000 kwhr (source: EESC)

46 Real Annual Cost of System Energy cost (Rink & Hall) Annual start-up & shutdown Daily maintenance (hr/day) Compressor oil (ammonia) Operators salaries (training) 6,000 hr. check (cost/yr) 12,000 hr. check (cost/yr) Replace heat pumps Pump replacement Chiller, header, condenser Replace HVAC system TOTAL ANNUAL COST Conventional System $22,000 2,500 5,000 1,500 15,000 1,500 1, ,800 1,500 $53,525 Ice Kube tm System $9, , , $23,130

47 Saugeen Shores Arena Built in ,000 seat arena, 85 x200 ice surface Hall (occ: 400) In seat heating Radiant floor heat throughout Port Elgin, ON

48 Taking Advantage of Free Heat 22,000 square feet of office space & 10,000 square foot police station attached to arena system in 2000 to take advantage of heat from ice heat from ice

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50 Where s the Energy Used? In a 4-Rink 4 Complex With Year Round Ice $400,000 $300,000 $200,000 $100,000 Annual Energy Cost Saving - $182,000 Other Electric Air Conditioning Dom. Hot Water Building Heat Condensor Fan/Pump Brine Pumps Compressors $0 Conventional Geothermal *Based on electricity at $0.07/kWh & gas at $0.41/cubic meter

51 Real Annual Cost of System Energy cost (Rink & Hall) Annual start-up & shutdown Daily maintenance (hr/day) Specialized operators Compressor oil (ammonia) Compressor rebuilds Replace/rebuild equipment TOTAL COST Conventional System 1 Year $332,000 5,000 15,000 15,000 5,000 12,000 $384,000 Over 20 Years 8,585, , , , , , ,000 $10,578,000 Ice Kube tm System 1 Year $146, $146,000 Over 20 Years $3,930, , ,000 $4,474,000 * Based on energy inflation rate of 3% & equipment inflation rate of 2.5%

52 CO 2 Emissions Moncton 4-rinks4 450 Tons of Carbon Dioxide Emissi % less greenhouse gas emissions than conventional system 0 Conventional System Ice Kube System *Based on average CO 2 emissions for electricity & gas produced in New Brunswick.46 kg/kwhr (source: NRCan)

53 Ltd. Manufactures & distributes low temperature water-to-water heat pumps Designs & markets geothermal ice rink systems across North America Distributes complementary products & materials for ice rink systems and for conventional ground-source systems

54 Geothermal Ice Rinks in N. America BC AB SK MB NF ON QC NB PE NS Completed Rinks Proposed Rinks

55 Everyone s a Winner! The Skaters, with better ice! The Spectators, with a more comfortable building! The Owners, with lower energy costs! The Operator, with easier operation! The Utility, with reduced demand! The Environment, with better use of energy!

56 For Additional Information Ltd. 41 St. Paul Blvd. Winnipeg, MB R2P 2W5 Phone: (204) Fax: (204) Website: