2015 weec broadusa
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COGENERATION “CCHP”REVENUE GENERATING RESILIENCY
FOR CRITICAL FACILITIESCASE STUDIES IN FLORIDA, MARYLAND / WASHINGTON
DC AND NEW YORKOCTOBER 2015
DOUGLAS DAVIS – DIRECTOR BROAD [email protected]
201 951 5713
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OVERVIEW OF WHAT WE WILL COVERModern Absorption applied in Cogen or CHP or “CCHP”
Focus on “Modern Absorption Applications” that yield the following benefits
Lower Operating CostLower Carbon FootprintsResiliency improvementsReduced use of Fossil FuelsSimple “ways to design” CHP
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Is My Building a Good Candidate for CHP?
Are average electricity rates more than $.07/ kWh (including generation, transmission and distribution)?
Is there a need to reduce energy costs or minimize exposure to possible increases in electricity rates?
Is the building located in a deregulated electricity market? Is power reliability a concern? Would there be a substantial business, safety, or health impact if
power went out? Does the building operate for more than 5,000 hours/year? Are there thermal loads throughout the year (including steam, hot water, chilled water and hot air)?
"Yes" answers to any of these questions suggest the building may be a good candidate for CHP.
Combined Heat and Power: Taking Energy Efficiency to the Next Level Gary McNeil, Communications Director for U.S. EPA’s Combined Heat and Power Partnership
In case you missed the CHPA & EPA WEBINAR: Scoring LEED Points with CHP and Modern AbsorptionJuly 22, 2:00 PM - 3:00 PM EDT ( watch the video )https://www.youtube.com/watch?v=DaQkYPwjWmY&feature=youtu.beOn Wednesday, July 22, the EPA CHP Partnership (CHPP) and the CHP Association (CHPA) will co-host a webinar about
LEED® point impact CHP can have on buildings seeking LEED® certification.
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MODERN ABSORPTION CHILLERS
Thermally driven non‐electric chillers 30‐3,300 ton indoor or outdoor packages
Two primary markets HVAC
“Typical” utility natural gas pressure
Waste heat recovery co‐generation CCHPExhaust, Jacket ‐ hot water with Natural Gas
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THE ABSORPTION CYCLE
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ABSORPTION CYCLE
CONDENSER
EVAPORATOR
GENERATOR
ABSORBER
HEAT
ENER
GY
REJECT
HEAT
ABSO
RBHEAT
REJECT
HEAT
EXPANSION DEVICE PUMP
HIGH SIDE
LOW SIDE
‐14.6 psig6 mm
‐13.6 psig57 mm
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ABSORPTION COOLING THEORY
Evaporator with water as a refrigerant Refrigerant water sprays on copper tubes of chilled water systemChanges state (boils) and absorbs large amounts of energyWater evaporates at 212°F at 14.7 psiaWater evaporates at 40°F at 0.118 psia
CONDENSER
EVAPORATOR
GENERATOR
ABSORBER
HEA
TEN
ERG
Y
REJ
ECT
HEA
TAB
SOR
BH
EAT
REJ
ECT
HEA
T
EXPANSION DEVICE PUMPCFC refrigerant changes state and absorbs large amounts of energy for ex. R134 evaporates at 40º at 35 psig
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REFRIGERANT H2ONO ODP/GWP - PHASE OUTDATE
Distilled water Stable Nontoxic Low cost Readily available Environmentally friendly High latent heat of
vaporization R718 = H2O http://www.r718.com/ LEED POINT = 1
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SINGLE EFFECT ( UP TO 0.8 COP)
TO T
OW
ER
TO T
OW
ER
CONDENSER
ABSORBEREVAPORATOR
TO L
OA
D
STRONGSOLUTION
WEAKSOLUTION
WATERVAPOR
WATERVAPOR
GENERATOR
FRO
M B
OIL
ER
EXPANSION DEVICE
PUMP
HEATEXCHANGER
WATER
100°40°
200°
PUMP
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DOUBLE EFFECT ( UP TO 1.5 COP)
TO T
OW
ER
EVAPORATOR
TO L
OAD
WATERVAPOR
WATERVAPOR
EXPANSION DEVICE
PUMP
WATER
40°
CONDENSER
TO T
OW
ERABSORBER
STRONGSOLUTION
WEAKSOLUTION
LOW TEMP HEATEXCHANGER100°
200°PUMP
LOW TEMPGENERATOR
STRONGSOLUTION
WEAKSOLUTION
FRO
M B
OIL
ER
HIGH TEMP HEATEXCHANGER
310°PUMP
HIGH TEMPGENERATOR
WATER
110°
100°
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RAPID EVOLUTION OF TECHNOLOGY
Evolution of Absorption chillers 10 models improvements in 25 years
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SIMULTANEOUS CHW, HW & DHW Typically a lower capital cost system Offers Better “System Efficiency” Up to three energy inputs…great for simple CCHP integration with hvac
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COGENERATION IN A HEALTHCAREUPPER CHESAPEAKE MEDICAL CENTERBEL AIR MARYLAND – “THIRD PARTYOWNERSHIP MODEL”
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WHY THIRD PARTY? ALL THE BENEFITSWITH NONE OF THE HEADACHES
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CCHP SYSTEM OVERVIEW
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HEAT RECOVERY METHOD @ UCMC
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PPA…HOW DOES IT WORK IN THIS CASE?
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HOW IS IT PERFORMING? AS EXPECTED!
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WHAT GOOD IS HOSPITAL IF THEY CANNOTSERVE THE COMMUNITY DURING A CRISIS?
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ONE BOX UNIT COOLING
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MGM NATIONAL HARBOR CASINOCOGENERATION SYSTEM DC METRO AREA
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CCHP SUMMARY:2 MEGAWATT RECIPROCATING ENGINEBROAD MULTI ENERGY ABSORBER
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UNITS IS PERFORMANCE TESTED IN THEFACTORY AT JOB SITE CONDITIONS
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FAT “FACTORY ACCEPTANCE TESTING”MAKE FOR SIMPLE START UPS.PROTECTS THE OWNERONLY THE WAY TO GUARANTY COP!
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RESILIENT STORE DESIGN NYC
Big Box Retail “CCHP”
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MODERN CCHP SYSTEMS
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CHILLER/HEATER OPERATING MODES
Cooling only Heating only Simultaneous cooling/heating Domestic Hot Water Great for System COP! Great for reducing capital costs Eliminates or reduces the need for separate dedicated
cw/hw/dhw systems Reduces MER size
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BIG BOX RETAIL CCHP
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“GROCERY STORE CCHP PACKAGED PLANT”
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Model: BZHE and BZCooling Capacity: 260 RTEnergy Source: Natural Gas & Waste Heat from recip150 KW CHP250 KW of demand response
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PRE-PACKAGED AND TESTED CCHP WAITING TO GO OVER THE GOVERNOR’SFAVORITE BRIDGE IN FORT LEE NJ
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CO2 LOW AND MEDIUM TEMPREFRIGERATIONSUB COOLED BY CCHP ( ADDITIONAL HEATSINK)
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GROCERY STORE SUMMARY
Brooklyn NY (USA) Store can operate in a Black Out / “Black Start” 150 kw of CCHP / 250 kw of “Demand Response” 100 & 168 tons of Chiller /Heaters/DHW Solar PV with rain water capture 350 KW No man made chemical refrigerants CO2 low temperature refrigeration Sub cooling low temp via CCHP NYSERDA incentive participant (six figures) LEED - Platinum!
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STORE DESIGN CONSIDERATIONS
All Mechanical equipment on roof ( resiliency ) Gowanus canal “water management” “Beckwith relay” does not allow exporting power Transfer switches allow store to shed non-critical
loads during a “island mode operation” System was “pre-packaged and tested” FAT! FAT Made for a simple start up 24/7/365 monitoring via store BMS and CCHP
suppliers PLCs and internet. Grid independence - run business with or
without grid – product loss mitigation – keep the register ringing – be an asset to the community they serve.
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BIRDS EYE VIEW OF THE NEW PLANT(S) THAT GREW IN BROOKLYNNYC ( YES THEY GROW ORGANIC VEGETABLE ON THE ROOF FOR SALEIN THEIR STORES IN NYC )GREENHOUSE PRODUCES THEEQUIVINANT OF 40 ACRES.
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INSIDE ELECTRICAL ROOM PRE-PACKAGED MERBOX( BECKWITH RELAY )
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STORE OPENS ON SCHEDULE AND ITWORKS! DECEMBER 20TH 2013
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CCHP TURNS ON 2/20/2014 Hi folks, Congratulations to everyone on 2 huge milestones today: we got
National Grid’s sign off and passed ConEdison’s witness test! The generators started up successfully, and we will be working tomorrow to dial in synchronicity on all systems. I appreciate everyone’s hard work to get to this point. Please let me know if you have any questions.
Thanks! J'aime Mitchell, LEED Green Associate Associate Coordinator of Construction | Green Mission Specialist
56,000-square-foot structure is 60 percent more energy efficient than the building code requires. That's right: 60 percent more efficient, making it one of the most energy efficient supermarkets in the nation, Whole Foods says.( source greenbiz.com )
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SOLAR PV CANOPY FOR PARKING ANDRAIN WATER CAPTURE SYSTEM
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PLC CONTROLS RECIPROCATING ENGINE
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THE CCHP “PRIME MOVER” 150 KW RECIPROCATING ENGINE / QUIET BYDESIGN OF PRE-PACKED BOX
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PLC CONTROLS ON CCHP PLANT PLC Touch screens easy owner interface
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PLC 27/7/365 MONITORING OF THE CHILLERSFROM ANY PC OR SMART PHONE IN THE WORLDVIA THE INTERNET
Exhaust temp. 820/266 ,maintain chilled water delta T 2.5~3 only by Exhaust.Regards
Bill HuangTechnical managerBroad USA Inc.
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EASY TO COMMISSION VIA FACTORYTESTING
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LEED PLATINUM!
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MIAMI DADE WASTE WATERTREATMENT PLANT….GOT METHANE?THE SUNSHINE STATES OTHER“SUSTAINABLE” FORM OF ENERGY
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FLORIDA IS A GREAT PLACE TO APPLYCOGEN! Please stop by our Booth # 903 Our Local Partner in the State of
Florida, Indiana and Ohio.
Florida Offices1059 Mailtand Center Commons Blvd Suite 100Maitland, FL 32751
or6706 Benjamin Rd Suite 200Tampa, FL 33634
Phone: 407-900-1VCS (1827)
Indianapolis, IN Office905 North Capitol AvenueSuite 200Indianapolis, IN 46204Phone: 317-259-7604
Ohio Office3004 Paxton Knoll LaneCincinnati, OH 45802Phone: 513-919-3328
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Questions?
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