DATES IF 20170511 · 2017-06-02 · (on the left) my colleague Herman Velvis. Ourcompany IF...
Transcript of DATES IF 20170511 · 2017-06-02 · (on the left) my colleague Herman Velvis. Ourcompany IF...
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IntroducingDATES
Or,howto optimise energyuse(among buildings)
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Your speaker
I’mRobertJanBuunkofIFTechnology,and(ontheleft)mycolleagueHermanVelvis
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Our company
IFTechnologyisaleadingproviderofATESsolutions.Weapplytheorytocreatepractical,cost-effectivesolutions.
Est.1989.
MostofthesharesinIFareownedbyour60employees.
www.iftechnology.nl
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Iguess you all know ATES
Asmart,‘green’waytostoreanduseseasonalheatorcold.
You will need asuitable climate,an aquifer,and compliancewith regulations.
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What’s the role ofATESinDATES?
ATESprovides storagefor DATES
• Thermalefficiencyapprox.0.7– 0.9• 100- 1,000MWhofthermalenergyperwell.
Storingheat
Storingcold
Usingcold
Usingheat
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Andwhat’stheDinDATES?
A2-pipesolutionwith divided ATESstoragepoints
Cold well
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Warm well
Heat Pump
Shortcut/ Buffer tank
18°C 10°C
Collective regeneration
Building
Aquifer
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HowdoesDATESwork?
MarkandSannewantto sharesome energy.
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Asolutionisfound!
Now they canexchangeenergy,using DATES.
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Now,let’s add morebuildings
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Canwejoin?
Canwejoin?
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Noproblem!
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DATESinpractice
10largewells(250m³/h)insteadof24wells3,100mextrapipeworkTotalinvestmentcostsare19%lower
ZernikeCampusUniversityofGroningen
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Should the wells be clustered ordistributed?
• Bothexamplesneed1,430metres ofpipingand40m³/hperbuilding• Distributedwellsneedsmallerdiameterpiping• Here,thecostreductionwithdistributedwellsis65%
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So,whataboutourfriends?
There’s aproblem withthe energybalance…
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What doourfriends need toknow?
TomakeDATESwork,youneedtopayattentionto:
• Youraccounting(measuringandcontrolling)• Yourreturntemperature(undervariousconditions)• The totalenergybalance(jointregeneration)
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“Changeistheonlyconstant”
UtrechtUniversityUithofCampus
2009:Updateabuilding
2011:Updateabuilding
2013:Newbuilding2014:Newbuilding2015:Changeabuilding
2017:ConnectabuildingtoDATES2019:Newbuilding2020:Changeabuilding
2022:Demolishabuilding
2024:Demolishabuilding?
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SwitchtoDATES
UtrechtUniversityUithof Campus
Thesituation(in2014):• ATESsince2002,8wells• One central exchangepoint
(treestructure)• Notabletoconnectnew
datacentre(smallpiping,endoftree)
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DATES:fitforthefuture
2014:• 4extrawells• Newnetwork
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Our friends arealso future-proofAnofficebuildingbecomesstudenthousing.
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Now what about you?
Could DATESbe viableinyour situation?
Please contactus to find out.