1. Tsev Loj Cov Tub Ntxhais Tub Yees Ua Si Retrofit
A. Txoj Haujlwm Txheej Txheem Txheej txheem cej luam
Chaw:Lub teb chaws Tsev Lag Luam Lag Luam
Qhov chaw:Chicago, Illinois
Thawj System:R-404A Cov Txheej Txheem Qhia Ncaj Qha
Retrofit tau:Daim Ntawv Qhia Txog Txhua Yam
B. Siv kev ntsuas
1. Tub Yees Txheem Hloov Xeeb:
R-404a rau R-448A Kev Hloov
Roj hloov rau Poe roj nplua nyeem
System flush thiab tivthaiv sib xyaw ua pov thawj
2. Compressor hloov kho tshiab:
Tsau - ceev rau cov tshuab ceev
Digital Scroll Technology Siv
Parallel Compressor Khib Txhim Kho
3. Tus kws nthuav dav tswj hwm:
Kev nthuav dav hluav taws xob qub (EEVS)
Kev yoog defrost tswj systems
LED teeb pom kev zoo nrog suab sensors
Qhov rooj iav retrofits ntawm nruab nrab - kub rooj plaub
4. Cua sov rov qab system:
Kub Roj Desuperheatration
KHW CUA KUB REJ UA NTEJ - pa taws kub
Anti -}} Cov cua sov ua kom tawg
C. Lub Zog Kev Ua Tau Zoo
| Chaw ua uas tsis tau haus | Pre -} retrofit | Post - rado retrofit | Kom me dua |
|---|---|---|---|
| Zog Siv Hluav Taws Xob | 1,450,000 kwh | 892,000 kwh | 38.5% |
| Ncauj Lus Nug | 310 KW | 195 KW | 37.1% |
| Tub yees | 850 lbs | 520 lbs | 38.8% |
| GHG Emissions | 1,250 tes₂e | 620 tcoe | 50.4% |
D. Kev Ntsuam Xyuas Nyiaj Txiag
Cov nqi peev: $285,000
Utility Rebates: $45,000
Net Project nqi: $240,000
Cov nyiaj khaws txhua xyoo: $78,500
Yooj yim them nyiaj:3.1 xyoo
ROI: 32.7%
2. Muaj txheej txheem txias retrofit
A. Txoj Haujlwm Txheej Txheem Txheej txheem cej luam
Chaw:Khoom Noj Khoom Haus
Qhov chaw:Toronto, Canada
Thawj System:Ammonia Lub Cev Tub Yees
Retrofit tau:Tswj System Tshiab
B. Siv kev ntsuas
1. Kev tswj hwm txoj kev tswj hwm:
Plc -} Raws li tswj tau nce qib
Kuj tsis paub meej cov chiv ntawm compressors
Optimized Condenser Ntxuam Tswj
Kev yoog cov siab teeb tsa
2. Kev sib koom ua ke kom sov ua ke:
Txheej Txheem Cua Sov Kev Siv Cua Sov
Ntxuav - hauv -} chaw (CIP) kev sib xyaw ua ke
Chaw Tshaj Tawm Cua Sov Ntxiv Ntxiv
3. Txij Nkawm Kho Kom Zoo:
Kwv yees txij tu txheej txheem kev teeb tsa
Kev Co Xyuas Sensors
Roj Kev Ntsuam Xyuas Kev Siv
C. Kev Ua Tau Zoo
| Me me | Ua ntej | Tom qab | Yam ua kom zoo dua |
|---|---|---|---|
| Kaw lus Cop | 2.8 | 3.6 | 28.6% |
| Siv Zog Siv Zog Xyoo | 3.2 GWH | 2.5 gwh | 21.9% |
| Lub Zog Dej Cua Sov | 180,000 kwh | 0 kwh | 100% |
| Tu nqi | $ 85,000 / YR | $ 52,000 / YR | 38.8% |
D. Kev Tshawb Xyuas Kev Lag Luam
Tus nqi them: $420,000
Tsoomfwv Ntsiab Lus: $125,000
Net peev: $295,000
Cov nyiaj khaws txhua xyoo: $145,000
Them sij hawm:2.0 Xyoo
Irr: 49%
3. Kev lag luam chaw ua haujlwm lub tsev Chiller cog retrofit
A. Txoj Haujlwm Txheej Txheem Txheej txheem cej luam
Tsev:35-Zaj Chaw Ua Haujlwm Ntauwd
Qhov chaw:Singapore
Thawj System:Centrifugal Chillers (1995 Vintage)
Retrofit tau:Chiller Cog Ua Kom Zoo
B. Siv Technologies
1. Chiller Hloov:
Magnetic Bear centrifugal Chillers
R-134A rau R-513A Kev Sib Tham
Kuj muaj cov txheej txheem txaus siab siv
2. Tso cov txheej txheem system:
Kuj tsis paub meej cov tshuab hluav taws xob
Txuj ci siab ua kom zoo
Ntse Valve Technology
3. Tswj System Txhim Kho:
Kev sib xyaw ua ke hauv tsev
Kwv yees kev tswj hwm algorithms
Thermal Zog Khoom Noj Kev Sib Tw
C. Kev Ua Haujlwm Zog
| Chaw ua uas tsis tau haus | Lub hauv paus | Rov ua dua | Nyiaj ceev |
|---|---|---|---|
| Chiller cog kev ua haujlwm | 0.75 kw / tuj | 0.48 kw / tuj | 36.0% |
| Zog Siv Hluav Taws Xob | 4.8 GWW | 3.1 gwh | 35.4% |
| Peak txias thov | 2,800 kw | 2,100 kw | 25.0% |
| Kev Siv Dej | 3.5 lab gallons | 2.1 lab nkas loos | 40.0% |
D. Cov txiaj ntsig nyiaj txiag
Tag nrho tes haujlwm them nqi:$ 1.2 lab
Txuag txuag:$ 320,000 / xyoo
Txij Nkawm Txuag Nyiaj:$ 45,000 / xyoo
Yooj yim them nyiaj:3.3 xyoo
Net tam sim no tus nqi (10 xyoo):$ 1.8 lab
4. Txias cia ntaub ntawv tso dej retrofit
A. Txoj Haujlwm Txheej Txheem Txheej txheem cej luam
Chaw:50,000 m² lub chaw faib khoom
Qhov chaw:Rotterdam, Netherlands
Thawj System:R-22 ammonia system
Retrofit tau:Muaj kev txhim kho zog ua kom zoo
B. Siv cov kev daws teeb meem
1. Cov teeb pom kev zoo dua:
High - bay Led Teeb Pom Kev
Tsab ntawv tsa suab -} aging zoning
Hnub Ua Kev Sib Tw
2. Qhov rooj txhim kho:
High - Cov qhov rooj ceev ceev
Cua Kab Hlau Rhuav Qhov Zoo
Dock Chaw Ua Si
3. Tub yees cov tshuab pa khoom:
Kev nthuav dav hluav taws xob
Floating Taub Hau Siab Tswj
Thaum tshav kub rov qab qhib rau qhov chaw cua sov
C. Kev Ntsuas Cov Ntawv
| Me me | Pre -} retrofit | Post - rado retrofit | Kom me dua |
|---|---|---|---|
| Tag Nrho Kev Siv Hluav Taws Xob | 5.2 GWH | 3.6 GWW | 30.8% |
| Teeb Pom Kev Zoo | 850,000 kwh | 210,000 kwh | 75.3% |
| Lub zog tub yees | 3.8 GWH | 2.9 gwh | 23.7% |
| Cov pa roj carbon emissions | 2,450 tes₂e | 1,680 tco₂e | 31.4% |
D. Kev Tshawb Xyuas Kev Lag Luam
Kev nqis peev: €650,000
Cov nyiaj khaws txhua xyoo: €185,000
Them sij hawm:3.5 xyoo
ROI: 28.5%
5. Hotel HVAC Retrofit
A. Txoj Haujlwm Txheej Txheem Txheej txheem cej luam
Cuab yeej:300-chav tsev me nyuam me me
Qhov chaw:Dubai, UAE
Thawj System:Ntau lub thawv ntim
Retrofit tau:Central Cog Cog
B. Tseem ceeb
1. Chiller Tsob Nroj Txhim Kho:
Kuj tsis paub meej ceev ntsia hlau chillers
Condenser Dej Kho Mob
Kev siv cua txias dawb
2. Kev tsim lub tshuab automation:
Kev Ua Haujlwm -} Raws li tswj
Qhua chav qhua ua kom zoo
Central Xyuas Kev Tswj Xyuas
3. Cua sov rov qab system:
Domestic Kub Dej Ua Ntej - cua sov
Pas dej da dej cua sov
Kev Tu Siab Dej Spa Dej
C. Lub Zog Kev Ua Tau Zoo
| Chaw ua uas tsis tau haus | Ua ntej | Tom qab | Yam ua kom zoo dua |
|---|---|---|---|
| Cua txias zog | 2.1 GWW | 1.4 gwh | 33.3% |
| Cua Sov Zog | 480,000 kwh | 120,000 kwh | 75.0% |
| Dej Cua Sov Dej | 360,000 kWh | 90,000 KWH | 75.0% |
| Zuag qhia tag nrho | 65% | 85% | 30.8% |
D. Cov ntsiab lus nyiaj txiag
Tus nqi them: $850,000
Cov nyiaj khaws txhua xyoo: $280,000
Yooj yim them nyiaj:3.0 xyoo
Qhua kev txhim kho kev txhim kho:35% cov qhab nia txaus siab zoo dua
6. Cov txuj ci tseem ceeb ua tau zoo thiab kev coj ua zoo
A. Cov ntsiab lus ua tiav
1. Kev nkag siab:
Cov ncauj lus kom ntxaws txog hluav taws xob
Thauj khoom ntsuas
Xyoos Ua Haujlwm Benchmarking
Kev ntsuas thiab npaj pov thawj
2. Phaseded:
Pilot Txoj Haujlwm Siv Tau
Cov Khoom Siv Staged
Tsawg heev cuam tshuam kev ua haujlwm
Kev txheeb xyuas qhov tseeb ntawm txhua theem
3. Kev Txij Nkawm Sib Tham:
Cov Neeg Ua Haujlwm Qhia Kev Kawm
Kev Tiv Thaiv Kev Npaj
Spare xeem cov khoom lag luam
Kev Tswj Xyuas Chaw Taws Teeb
B. Kev Xaiv Kev Xaiv Hlau
Kev xav txog kev ua tau:
Load Mathabing muaj peev xwm
Ntu - Tsis Siv Khoom Siv
Kev cia siab thiab saib xyuas
Sib cav nrog cov tshuab uas twb muaj lawm
Nyiaj txiag yam:
Thawj tus nqi peev xub pib
Kev Ua Haujlwm Kev Ua Haujlwm Txuag
Txij Nkawm Cov Nqi Them Nqi
Cia siab tias yuav ua rau lub neej
C. Kev Ua Haujlwm Zoo Tshaj Plaws
Kev Tswj Xyuas Haujlwm:
Ntshiab Scope txhais
Cov ncauj lus kom ntxaws
Kev tswj nyiaj txiag
Kev Sib Txuas Lus Sib Txawv
Cov Txheej Txheem Txheej Txheem:
Ua kom tiav kev kuaj mob
Cov ntaub ntawv pov thawj ua tau zoo
Cov Neeg Ua Haujlwm Kev Kawm Ua tiav
Cov Ntaub Ntawv Xa
Tag
Cov ntaub ntawv tshawb no tau qhia tau tias zoo -} npaj cov txiaj ntsig txuag hluav taws xob, thiab kev txhim kho ntau thoob plaws hauv ntau cov haujlwm. Tus yuam sij rau kev ua tiav cov lus dag nyob rau hauv kev npaj txhij txhua yam, tsim nyog xaiv tshuab, thiab kev siv kev tshaj lij.
Cov sijhawm them rov qab los ntawm 2-4 xyoos, nrog roi feem ntau tshaj 25%. Tshaj li nyiaj txiag rov qab los, cov phiaj xwm no tau txhim kho cov kev ntseeg tau, txhim kho kev ua haujlwm ib puag ncig, thiab ua rau cov hom phiaj ruaj ntseg.
