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7/25/2019 Waste Heat Generator
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Copyright 2009 Calnetix Power Solutions, Inc. Confidential
Waste eat !enerator "W!#$%lectric !enerator &sing Waste eat$
Sales Technical Training Part 1
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Copyright 2009 Calnetix Power Solutions, Inc. Confidential
Technical Training in 2 Parts
Part 1 (Today) Covers the Following:
' How a Waste Heat Generator Works
' Where wold a Waste Heat Generator !akes !oney
' How a Waste Heat Generator Pro"ect is #valated
' How !ch !oney a Waste Heat Generator Pro"ect !akes
2
$Closing the %eal& ' $Service Training& are lso vailale
Part * (Ftre) Covers %etailed Calclations
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Copyright 2009 Calnetix Power Solutions, Inc. Confidential
Agenda
+asic Ter,s ' #lectricity Prodction
(rganic )an*ine Cycle
+pplications
Syste Coponents
Si-ing &p a o/
Proect %xaple 1 Pay/ac*
Core echnology +d3antages
4
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Copyright 2009 Calnetix Power Solutions, Inc. Confidential
Basic Terms
'
+ritish Ther,al -nit (+T-)5he aount of heat that will raise 6 pound ofwater 6 degree 7ahrenheit. (ne 8& is eui3alent to 2:2 calories, 60::oules, and 0.294 Watt$hours. here are 4;62 8&
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Basic Terms
' !P5he !P or+pere is a unit indicating the flow rate of electrons. he
+>P is a easure of current "?.2;2 x 606@
electrons per second#' Watt$ + Wattis a unit of electrical power that euals one oule per second.
Wor* is done at a rate of one Watt when one apere flows through a potentialdifference of one 3olt.
' kW$ + kiloWattis one thousand watts.
' kWh$ he kiloWatt0horis a unit of energy. %nergy deli3ered /y electricutilities is usually expressed and charged for in *iloWatt$hours. %nergy in*iloWatt$hours is the product of power in *iloWatts and tie in hoursA it is not*iloWatts per hour.
' 0+olt0,.ere is the aount of power in an +C circuit eual to a currentflow of one +pere at a potential difference of one 3olt. While the Bolt$+pere
and the watt are diensionally eui3alent one ay find products rated in /othB+s and Watts with different nu/ers. he B+ rating is the apparent powerthat a de3ice is capa/le of producing, while the Watt rating is the real power"or true power# a de3ice is capa/le of producing.
' k 0+ kiloolt0,.ere is one thousand 3olt$aperes of electricity.
:
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Basic Terms
' Power Factor 0 he ratio of real power "*W# actually used in an electricalcircuit to apparent power "*B+#, the power /eing drawn fro the power
source.
C= Watts D Bolts E +ps D B+
+C= Watts D Bolts E +ps E Power 7actor F B+ "unless P7 D 6#
?
his is one cycle
Current x Boltage= 8oth Current
and Boltage are at Pea*
Current
Power factor 6
G 3olts
$ 3olts
his is one cycle
Current and Boltage out of Sync 5 Power
is less than Pea* Boltage x Pea* Current
Current
Power factor H 0.?
G 3olts
$ 3olts
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Electricity Production
o Water hrough a ur/ine "ydro#
' Wor*ing 7luid is Water
Stea hrough a ur/ine
' )an*ine Cycle 5 8efore WaterPasses through a ur/ine it is/oiled to Stea
' Wor*ing 7luid is Water "Steais the Bapor Phase of Water#
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Rankine Cycle
@
Water
Stea,
+234#5
(aka #va.orator)
C26%#6S#5
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Agenda
8asic ers 1 %lectricity Production
2rganic 5ankine Cycle
+pplications
Syste Coponents
Si-ing &p a o/
Proect %xaple 1 Pay/ac*
Core echnology +d3antages
9
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Organic Rankine Cycle (ORC)
' 7or any waste heat applications, we need a fluid that /oils at a lower
teperature than water
' istorically, such fluids ha3e /een hydrocarons$ hence the nae 2rganic.
' >odern Wor*ing 7luids include= Propane J Pentane J oluene J 7C$)2;:fa
' hese Wor*ing 7luids allow use of Kower$eperature eat Sources /ecausethe liuid$3apor phase change, or /oiling point, occurs at a lower teperaturethan the water$stea phase change
60
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Waste Heat ources
Waste eat is heat produced /y gas tur/ines, piston engines, achines,
electrical euipent and industrial processes
Waste eat fro %ngines
' (peration of an %ngine results in exhaust that is uite hot. (ur unit capturesthis heat "can /e any stac* gas# and con3erts it to usa/le electricity.
eat fro 7uel ade fro Waste
' 8ioass refers to green and dry plant aterial that can /e used as fuel
' 8iogas is a ixture of >ethane and C(2generated /y the anaero/ic digestion
or ferentation of /iodegrada/le aterials such as /ioass, anure orsewage, unicipal waste, green waste and energy crops.
Lot Waste eat
' + closed loop syste where the heat reo3ed for the W! ust /e added/ac*.
66
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Ho! it Works
62
3ntegratedPower!odle
#va.orativeCondenser
#va.orator
Heat Sorce789F (1;C)*/< !+T-=H
Generate1*9 kW 5*>9?a
P,.
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3ntegratedPower!odle
E"a#orati"e
Condenser
5eceiver
Economi$er
#va.orator
Kiuid
@:7 "29C#240psig
"6?/ar#
eat Source4:7 "690C#
2.@ >8&J
!enerate
62: *W
Kiuid
@:7 "29C#
2?psig
"6.@/ar#
)2;:fa
Ho! it Works % Pum# &ncreasesPressure
P,.
he wor*ing fluid is in the recei3er as a liuid at the condensing pressure and teperature. Itenters the pup where the wor*ing fluid
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#va.orativeCondenser
5eceiver
Economi$er
#va.orator
eat Source4:7 "690C#
2.@ >8&J
Kiuid
66@7 ";@C#220psig
"6:/ar#
)2;:fa
Ho! it Works % 'iuid Preheat
P,.
he wor*ing fluid passes through a heat exchanger "%conoi-er# to ta*e heat out of the gaslea3ing the Integrated Power >odule. his ipro3es syste efficiency. he wor*ing fluid is now
a warer, high pressure liuid.
3ntegratedPower!odle
!enerate
62: *W
Kiuid
@:7 "29C#240psig
"6?/ar#
Kiuid
@:7 "29C#
2?psig
"6.@/ar#
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#va.orativeCondenser
5eceiver
#cono,i@er
#va.orator
Kiuid
66@7 ";@C#220psig
"6:/ar#
Bapor
2;07 "66:C#
220psig
"6:/ar#
eat Source4:7 "690C#
2.@ >8&J
)2;:fa
Ho! it Works E"a#oration
P,.
he wor*ing fluid enters the %3aporator, where the wor*ing fluid is exposed to waste heat whiche3aporates the fluid to a high pressure 3apor.
3ntegratedPower!odle
!enerate
62: *W
Kiuid
66@7 ";@C#220psig
"6:/ar#
Kiuid
@:7 "29C#240psig
"6?/ar#
Kiuid
@:7 "29C#
2?psig
"6.@/ar#
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#va.orativeCondenser
5eceiver
#cono,i@er
#va.orator
eat Source4:7 "690C#
2.@ >8&J
Bapor
6;:7 "?4C#
2?psig
"6.@/ar#
)2;:fa
Ho! it Works % Electricity Production
P,.
he wor*ing fluid "now a 3apor# enters the tur/ine of the IP>. he wor*ing fluid
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Copyright 2009 Calnetix Power Solutions, Inc. Confidential6
#va.orativeCondenser
5eceiver
#cono,i@er
#va.orator
eat Source4:7 "690C#
2.@ >8&J
R245fa
Bapor
@:7 "29C#
2?psig
"6.@/ar#
Ho! it Works Economi$er
P,.
he wor*ing fluid still has an enorous aount of heat, soe of which is transferred to thepuped liuid in the econoi-er. his helps in two ways= 6# this heat would ha3e otherwise
/een extracted in the condenser andA 2# there is less heat reuired at the e3aporator due to the
liuid /eing pre$wared.
3ntegratedPower!odle
Generate1*9 kW
Bapor
6;:7 "?4C#
2?psig
"6.@/ar#
Kiuid
66@7 ";@C#220psig
"6:/ar#
Bapor
2;07 "66:C#
220psig
"6:/ar#
Kiuid
66@7 ";@C#220psig
"6:/ar#
Kiuid
@:7 "29C#240psig
"6?/ar#
Kiuid
@:7 "29C#
2?psig
"6.@/ar#
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#va.orativeCondenser
5eceiver
#cono,i@er
#va.orator
eat Source4:7 "690C#
2.@ >8&J
+/ient +ir:7 "2;C#
Wet 8ul/
)2;:faBapor
@:7 "29C#
2?psig
"6.@/ar#
Ho! it Works Condensation
P,.
he wor*ing fluid "still a 3apor# then flows to the condenser where heat is extracted and thewor*ing fluid condenses to a liuid.
3ntegratedPower!odle
Generate1*9 kW
Bapor
@:7 "29C#
2?psig
"6.@/ar#
Bapor
6;:7 "?4C#
2?psig
"6.@/ar#
Kiuid
66@7 ";@C#220psig
"6:/ar#
Bapor
2;07 "66:C#
220psig
"6:/ar#
Kiuid
66@7 ";@C#220psig
"6:/ar#
Kiuid
@:7 "29C#240psig
"6?/ar#
Kiuid
@:7 "29C#
2?psig
"6.@/ar#
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Copyright 2009 Calnetix Power Solutions, Inc. Confidential69
#va.orativeCondenser
5eceiver
#cono,i@er
#va.orator
)2;:fa
Ho! it Works % Ready to Re#eat
P,.
he low pressure, liuid wor*ing fluid drains /ac* to the recei3er and is ready to /e puped tohigh pressure and flow towards the integrated power odule.
3ntegratedPower!odle
Generate1*9 kW
eat Source4:7 "690C#
2.@ >8&J
+/ient +ir:7 "2;C#
Wet 8ul/
Bapor
@:7 "29C#
2?psig
"6.@/ar#
Bapor
@:7 "29C#
2?psig
"6.@/ar#
Bapor
6;:7 "?4C#
2?psig
"6.@/ar#
Kiuid
66@7 ";@C#220psig
"6:/ar#
Bapor
2;07 "66:C#
220psig
"6:/ar#
Kiuid
66@7 ";@C#220psig
"6:/ar#
Kiuid
@:7 "29C#240psig
"6?/ar#
Kiuid
@:7 "29C#
2?psig
"6.@/ar#
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Copyright 2009 Calnetix Power Solutions, Inc. Confidential
Agenda
8asic ers 1 %lectricity Production
(rganic )an*ine Cycle
..lications
Syste Coponents
Si-ing &p a o/
Proect %xaple 1 Pay/ac*
Core echnology +d3antages
20
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A##lications
Stationary %ngines 5 Pistons 1 ur/ines
' Waste eat fro ac*et Water
' Waste eat fro %xhaust
Industrial Stac* !as
' )efineries
' Incinerators
' Selters
26
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A##lications
8io !as
'
Kandfill !as
' igester !as
' Wood Chip !asification
Solar heral
!eoheral
' !eotheral Water
' !eotheral Stea
22
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Copyright 2009 Calnetix Power Solutions, Inc. Confidential
Agenda
8asic ers 1 %lectricity Production
(rganic )an*ine Cycle
+pplications
Syste, Co,.onents
Si-ing &p a o/
Proect %xaple 1 Pay/ac*
Core echnology +d3antages
24
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A Com#lete ystem
' Waste eat !enerator
' %3aporator
' Condenser
2;
W! %3aporator
Condenser
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E"a#orati"e
Condenser
Recei"er
Economi$er
E"a#orato
r
Ho! it Works % Ready to Re#eat
Pum#
&ntegratedPo!er*odule
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The Calneti+ Waste Heat ,enerator
Wor*ing 7luid 7C$)2;:fa
Integrated Power >odule "IP># 5 Contains ur/ine %xpander and !enerator
' eretically Sealed >odule
M %liinate seal systes
M Integrated expander wheel
M Lo possi/ility of lea*s /etween rotating parts
' >agnetic 8earings
' Single Stage ur/ine= 2?,:00 rp 5 Lo Bi/ration
' eat reuireent 2.@: >>8& "@4:*W#
' >iniu ep 2:0N7 "622NC#
' igh$speed 2 pole rare earth agnet generator 62: *We gross
Power Conditioning' Power %lectronics prograa/le at factory to custoer reuireents. (utput
4@0$;@0B, 4 phase, 4 wire "no neutral#, :0J?0 -
2?
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The Calneti+ Waste Heat ,enerator
2
112long46wide
79.5 tall
Weight= 2;:0*g ":;00 l/s#
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The Calneti+ Waste Heat ,enerator
2@
)ecei3er
Pup
7ield
Connections
Integrated
Power
>odule
Power
%lectronics
Prograa/le
Kogic Controller
"PKC# 1 >agnetic8earing Controller
">8C#
B7 for Pup
Separator Inlet Control
Bal3e
8ypass
Bal3e%conoi-er
Separator
rain Bal3e
Sla
Bal3e
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The Calneti+ Waste Heat ,enerator
29
War Kiuid to%3aporator
Cool Kiuid fro
Condenser
ot Bapor fro%3aporator
War Bapor to
Condenser
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Why 2-./0 *inimum EnteringTem#erature1
igh Speed %xpander
' Intolerant of roplets
' Superheated Bapor )euired
' Pressure ifference is the ri3ing 7orce 5 @=6 is /est
' %xaple 5
M @0N7 Condensing 5 )2;:fa is at 2.@psia lea3ing the tur/ineM @ O 2.@psia D 222.;psia reuired fro the %3aporator
M +t 222.;psia )2;:fa e3aporates at 22@N7
M + 2:0N7 %3aporator heat source deli3ers 22@N7 Wor*ing 7luid to the%xpander
' Will /e a/le to !o Kower eperature in the futureM Lew >olecule
M Staged ur/ine
40
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E"a#orator Congurations
Waste eat %3aporator
' irect 5 eat transfers directly fro the waste heat source to the wor*ing fluid
46
E+haust ,as HeatE+changer
' Indirect 5 + theral transfer ediu is used /etween the heat source and thewor*ing fluid "e.g. theral oil, hot water, stea#
E+haust ,as HeatE+changer
Bra$ed Plate HeatE+changer
G
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Condensing O#tions
' Cooling ower
' %3aporati3e Condenser
' Kiuid Chiller
' !round Water
' Pond or Ka*e
' +ir Cooled Condenser "ry Cooler#
42
Condenser
' irect 5 he wor*ing fluid passes through a heat exchanger that reects heat
directly to the en3ironent.' Indirect 5 + ediu such as water is passed through a heat exchanger and
ta*es the reected heat out of the wor*ing fluid. he ediu then transfersthe heat soewhere else.
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&nstallation Recommendations
' %3aporator 1 Condenser ust /e within :0 ft. of the W!
' Condenser ust /e ele3ated
' echnician reuired to e3acuate the syste and charge it with )2;:fa
' Cooling water reuired for the Power %lectronics
' Copressed +ir reuired for the Sla Bal3e
' Internal Cleanliness Bery Iportant
' 8iogas 5 Sulfur J Siloxane
' %thernet Connection is )euired
44
Possi/le Configurations' + coplete syste consists of=
M Waste eat !enerator
M %3aporator
M Condenser
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&ntegrated Po!er *odule
4;
>otor StatorP> )otor>agnetic
8earing>agnetic8earing
Integrated tur/ine
on coon shaft
!enerator
erinal
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High #eed &ntegrated Po!er *odule
*;k A 1*;k5P!
lternator
3nverter
5ecti?ier
Conventional Generator High0s.eed Generator
' Speed of the prie o3er deterines thefreuency of the electrical output
6:00 )P> D :0 - output.
6@00 )P> D ?0 - output.
' Paralleling with the grid is done /y using costly
synchroni-ing switch gear.
Pri,e !over
7
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Po!er Electronics % AC34C3AC
4?
Ca#acitoCa#acito
rr
BankBank
WasteWaste
HeatHeat
,enerato,eneratorr
,rid,rid
&,BT&,BT
PhasePhase
AA
&,BT&,BT
PhasePhaseBB
&,BT&,BT
PhasePhase
CC
&,BT&,BT
PhasePhase
CC
&,BT&,BT
PhasePhaseBB
&,BT&,BT
PhasePhase
AA
Power %lectronics
56.."756.."7
58-.H$58-.H$89."7 6.H$89."7 6.H$
CC wJ )ipple
)ectifier In3erter
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Po!er Electronics
4
' +lways >aintains a Pure Sine (utput Wa3e
' Lo Boltage or 7reuency Sags or Spi*es
' Lo Inducti3e Inrush
' Lo fault current contri/ution
'
7ewer synchroni-ation issues 5 >atches Source' %asier to Interconnect "&K 6;6#
' igh Con3ersion %fficiency 5 !ross 3s. Let
' !rid ust /e connected for operation
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Agenda
8asic ers 1 %lectricity Production
(rganic )an*ine Cycle
+pplications
Syste Coponents
Si@ing -. a Eo
Proect %xaple 1 Pay/ac*
Core echnology +d3antages
4@
i i : ;
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i$ing :# a ;oultiply eat +3aila/le /y Cycle %ffecti3eness
Condensing Source
' %ntering and Kea3ing eperatures
' Calculate 7low )ate )euired
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Agenda
+asic Ter,s ' #lectricity Prodction
(rganic )an*ine Cycle
+pplications
Syste Coponents
Si-ing &p a o/
Pro"ect #a,.le ' Payack
Core echnology +d3antages
;0
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Ho! the Customer a"es *oney
' &nit increases (3erall %fficiency of Systes
' &nit con3erts Wasted %nergy into %lectric Power
' &nit consues Q%)( additional fuel
' &nit creates Q%)( additional eissions
' &nit offers strong econoic ustification /ecause the W! uses low gradeheat that is usually wasted
' +s a 8onus, additional econoic returns ay /e reali-ed fro=
M )educed eand Charges
M )enewa/le energy incenti3es
M Car/on credits
;6
l =
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E+am#le Pro=ect
;2
8ioass 8oiler
nnal 5n Hors ;;
6et #lectrical 2t.t 1;8kWe
nnal Prodction ;; 1;8
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Agenda
8asic ers 1 %lectricity Production
(rganic )an*ine Cycle
+pplications
Syste Coponents
Si-ing &p a o/
Proect %xaple 1 Pay/ac*
Core Technology dvantages
;4
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Core Technology Ad"antage
Integrated Power >odule "IP>#
' eretically Sealed >odule
M %liinates seal systes
M Integrated expander wheel
M Lo possi/ility of lea*s /etween rotating parts
' igh Speed !enerator
M )are %arth Peranent >agnet
M 62: *We gross
M Baria/le Speed
M (3er 9@R !enerator %fficiency
M Lo !ear 8ox or associated Ku/rication Syste
;;
3ncreases the 2verall #??iciencyof the syste /y offering a >ore %fficient!enerator echnology o3er a Karge (perating )ange and /y %liinating
!ear/ox Kosses "including peripherals such as oil pups# while Siplifying
and 3ncreasing the 5eliailityof the syste.
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Core Technology Ad"antage
Integrated Power >odule "IP>#
' >agnetic 8earings
M Lon contact operation
M Kow power consuption "3s /all or fluid fil#
M Lo lu/rication, lu/rication syste, or seals
M Kow aintenance for life of unit
M Constantly onitors rotor i/alance
;:
3ncreases the 2verall #??iciencyof the syste /y offering less than 6J60ththe losses of con3entional /earing while 3ncreasing the 5eliailityand
5edcing the 4i?e Cycle Costof the product.
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Core Technology Ad"antage
' Power %lectronics
M %fficient power con3ersion
M Baria/le freuency 1 3oltage
M !enerate to !rid ";00$;@03, :0J?0-#
M 4 phase
;?
3ncreases the 2verall #??iciencyof the syste /y allowing for Baria/leSpeed and Power (peration of a igh Speed !enerator while Tracking
Peak Cycle #??iciency 2.erating Points/ased on heat input.
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Core Technology Ad"antages
;
High Speed GeneratorIncreased !cienc"# Relia$ilit"# no
gear $o%
&agnetic 'earingsIncreased !cienc"# Relia$ilit"#Red(ced losses
)ower lectronics !cient *aria$le speed operation
+o l($rication or l($rications"ste,
Increased Relia$ilit"# Red(ced parasitic
losses# +o conta,ination of process-(id
+o co(pling Increased relia$ilit"# fewer co,ponents
aria$le speed operation/pti,i0ed c"cle e!cienc" operatingpoint
Her,eticall" sealedHigher relia$ilit"# fewer wearco,ponents
Single ,o*ing part Increased relia$ilit"
&od(lar 1esignSi,ple Integration into s"ste, li3estandard piping
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Core Technology Ad"antage
;@
3P! Technology is Scalale to ny Si@e
Calnetix has designed, tested, and deli3ered a 6>W pac*aged solution on
>agnetic 8earings for a copressor application.
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Waste eat !enerator
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kW k>A >AR
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kW7 k>A7 >AR
' )eal power "P# $ unit= watt "W#
' )eacti3e power "# $ unit= 3olt$aperes reacti3e "3ar#
' Coplex power "S# $ unit= 3olt$apere "B+#
' +pparent Power "TST# , that is,the a/solute 3alue of coplexpower S $ unit= 3olt$apere "B+#
' Power 7actor D cosU
:0
&n"erter Out#ut
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&n"erter Out#ut
' Pulse Width >odulation
:6
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Waste eat !enerator "W!#$%lectric !enerator &sing Waste eat$
dvanced Sales Training
Why Are We Here1
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Why Are We Here1
:4
Part * Covers %etailed Calclations
' %etailed Calclations ?or Janti?ying the Waste Heat Sorce
' %etailed Calclation ?or #lectrical Prodction ?ro, a Waste Heat Sorce
' %etailed Calclations ?or Si@ing the Condensing Sorce
' %etailed #lectrical #cono,ic Calclations
i$ing :# a ;o
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i$ing :# a ;oonths 8ills
' S*etch !eoetry 5 &nit Placeent 3. Connection Point
' Calculate Pay/ac*
:;
i$ing :# a ;o
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i$ing :# a ;oass 7low of the Waste eat >ediu "l/Jhr#m
o 6stStep 5 Calculate the >ass 7low )ate "gp to l/Jhr#
6# &sing Con3ert, 69: gp D 6:?; foot4Jhr
2# l/Jhr D foot4Jhr O +3erage ensity "l/Jfoot
4#
4# 7ro a/le 6= ensity of water at 2?0N7 D :@.; l/Jfoot4
;# 7ro a/le 6= ensity of water at 240N7 D :9.4;2 l/Jfoot4
:# ":@.; G :9.4;2# V 2 D :@.9 l/Jfoot4
?# 6:?; foot4Jhr O :@.9 l/Jfoot4 D *B1*; l,=hr
i$ing :# a ;o< % E+am#le ?
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i$ing :# a ;o< E+am#le ?
o eat Source 5 Process Water
' %ntering and Kea3ing eperatures= *;KF = *7;KF
'
7low )ate= 19 g.,' Calculate eat +3aila/le 5 note pressuri-ed at this teperature
:
TpcmQ =
o Where=
o 2ndStep 5 Calculate the +3erage Specific eat
6# 7ro a/le 6= Specific eat of water at 2?0N7 D 6.069 8&Jl/$N7
2# 7ro a/le 6= Specific eat of water at 240N7 D 6.066 8&Jl/$N7
4# "6.069 G 6.066# V 2 D 1/;19 +T-=l,0KFo 4rdStep 5 Calculate the elta " #
6#
2# D 2?0N7 $ 240N7 D 7;KF
T
pc
o D the +3erage Specific eat of the Waste eat >ediu "8&Jl/$N7#
o D the expected eperature loss of the Waste eat >ediu "N7#
T
T
LEAVINGENTERING TTT =
i$ing :# a ;o< % E+am#le ?
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i$ing :# a ;o< E+am#le ?
o eat Source 5 Process Water
' %ntering and Kea3ing eperatures= *;KF = *7;KF
'
7low )ate= 19 g.,' Calculate eat +3aila/le 5 note pressuri-ed at this teperature
:@
TpcmQ =
o ;thStep 5 Calculate the eat +3aila/le
D 92,620 l/Jhr O 6.06: 8&Jl/$N7 O 40N7 D*B +T-=hr
o :thStep 5 Con3ert 8&Jhr to *W
6# 6 *Wh D 4;62 8&2# 2,@0:,0:;8&Jhr V 4;62 8&J*Wh D
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i$ing :# a ;oultiply eat +3aila/le /y Cycle %ffecti3eness
:9
i$ing :# a ;o< % E+am#le ?
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i$ing :# a ;o< E+am#le ?
?0
o 6stStep 5 Koo* up the Cycle %fficiency on Chart 6
o "0N7 Condensing Water $ 60N )ise#
o 2ndStep 5 Calculate the *We Potential for 0N7 Condensing Water $ 60N )ise
@22 *W O 6:R D 1*7 kWe gross
240N7
6:R
Chart 1
i$ing :# a ;o< % E+am#le 2
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i$ing :# a ;o< E+am#le 2
o eat Source 5 %xhaust Strea
' %ntering and Kea3ing eperatures= 89;KF = 7;;KF
'
7low )ate= 9B77; SCF!' Calculate eat +3aila/le
?6
TpcmQ =
o Where=o D the >ass 7low of the Waste eat >ediu "l/Jhr#m
o 6stStep 5 Calculate the >ass 7low "Standard C7> !i3en#
6# >ass 7low in l/Jhr D SC7> O ?0 inJhr O %xhaust ensity
2# D :440 SC7> O ?0 inJhr O 0.04 l/Jft4
4# D*7B7>9 l,=hr
Lote= When the flow rate is gi3en in +C7> this ust /e con3erted to SC7>
6# !i3en the sae conditions with 62,;02 +C7>2# Calculate the ratio of the actual tep. to standard tep. "?0N7# in N)
4# ":0G;?0# V "?0 G ;?0# D 6,260 V :20 D 2.42?9
;# 62,;02 +C7> V 2.42?9 D :,440 SC7>
:# Proceed as +/o3e
i$ing :# a ;o< % E+am#le 2
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i$ing :# a ;o< E+am#le 2
?2
TpcmQ =
o Where=
o 2ndStep 5 Calculate the +3erage Specific eat "at #
6# 7ro Chart 2= Specific eat of %xhaust at :0N7 D 0.2: 8&Jl/$N7
2# 7ro Chart 2= Specific eat of %xhaust at 400N7 D 0.2?0 8&Jl/$N7
4# "0.2: G 0.2?0# V 2 D ;/*89 +T-=l,0KFo 4rdStep 5 Calculate the elta " #
6#
2# D :0N7 $ 400N7 D >9;KF
T
pc
o D the +3erage Specific eat of the Waste eat >ediu "8&Jl/$N7#
o D the expected eperature loss of the Waste eat >ediu "N7#
T
T
LEAVINGENTERING TTT =
o eat Source 5 %xhaust Strea
' %ntering and Kea3ing eperatures= 89;KF = 7;;KF
'
7low )ate= 9B77; SCF!' Calculate eat +3aila/le
2=
i$ing :# a ;o< % E+am#le 2
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i$ing :# a ;o< E+am#le 2
?4
Chart *
i$ing :# a ;o< % E+am#le 2
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g # ; #
?;
TpcmQ =
o ;thStep 5 Calculate the eat +3aila/le
D 24,4;: l/Jhr O 0.2?: 8&Jl/$N7 O ;:0N7 D*B +T-=hr
o :thStep 5 Con3ert 8&Jhr to *W
6# 6 *Wh D 4;62 8&2# 2,@60,6:; 8&Jhr V 4;62 8&J*Wh D
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g # ;
o uantify *We (utput Potential
'
!et Cycle %ffecti3eness fro Cur3es
' >ultiply eat +3aila/le /y Cycle %ffecti3eness
?:
i$ing :# a ;o< % E+am#le 2
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g # ; #
??
o 6stStep 5 Koo* up the Cycle %fficiency on Chart 6
o "0N7 Condensing Water $ 60N )ise#
o 2ndStep 5 Calculate the *We Potential for 0N7 Condensing Water $ 60N )ise
@24*W O 6:R D 1*7 kWe
240N7
6:R
Chart 1
i$ing :# a ;o< % E+am#le @
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g # ; #
o eat Source 5 Stea
' %ntering and Kea3ing eperatures= 89;KF = 7;;KF
' 7low )ate= 9B77; SCF!
' Calculate eat +3aila/le
?
TpcmQ =
o Where=o D the >ass 7low of the Waste eat >ediu "l/Jhr#m
i$ing :# a ;o< % Condensing E+am#le
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g # ; g #
o Condensing Source
'%ntering and Kea3ing eperatures
'Calculate 7low )ate )euired
0N7 Condensing Water $ 60N )ise
7low in gp D otal %nergy +3aila/le 5 %lectricity Produced ep )ise O CPO ensity O 0.644?@0? ft
4Jgal O ?0 inJhr
0.644?@0? O ?0 D @.020@44
D 2,@0:,0:; 8&Jhr 5 "624*We O 4;62 8&JhrJ*W#
60N7 O 0.999 8&Jl/$7 O ?2.269 l/Jft4O @.020@44
D >8< g.,
?@
i$ing :# a ;o
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g # ;
o %lectrical
' 62 >onths 8ills
'
Calculate Pay/ac*' S*etch !eoetry 5 &nit Placeent 3. Connection Point
' 7luid Connections J other ser3ices
?9
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