tecnologia cummis 1
TRANSCRIPT
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Selec t ive Cat a lyt ic
Reduc t ion (SCR) andDiesel Ex haust Flu id
(DEF)Tra in ing Module
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DEF – SCR Train ing Modu le
Welcome to the Cummins Filtration DEFWelcome to the Cummins Filtration DEF – – SCRSCRtraining module.training module.
DEF & SCR systems are key to CumminsDEF & SCR systems are key to Cummins
meeting the 2010 Onmeeting the 2010 On--Highway emissionsHighway emissionsrequirements.requirements.
Many other engine manufacturers have selectedMany other engine manufacturers have selectedSCR as their 2010 emission strategy.SCR as their 2010 emission strategy.
Consequently, DEF will be an integral part ofConsequently, DEF will be an integral part oftheir solution as well.their solution as well.
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DEF – SCR Train ing Modu le
The following training module will introduce you toThe following training module will introduce you to
the basic aspects of SCR technology, providingthe basic aspects of SCR technology, providing
an overview of the Selective Catalytic Reductionan overview of the Selective Catalytic Reduction(SCR) system and Diesel Exhaust Fluid (DEF).(SCR) system and Diesel Exhaust Fluid (DEF).
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DEF – SCR Training Module
Object ives:
Objective 1: Become familiar with DEF and SCR systemsObjective 1: Become familiar with DEF and SCR systems
Objective 2: Gain further knowledge of DEFObjective 2: Gain further knowledge of DEF
Objective 3: Understand Cummins FiltrationObjective 3: Understand Cummins Filtration’’s role in DEFs role in DEFsupplysupply
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Objec t ive 1: Bec om e fam i l iar w i t h DEF andObjec t ive 1: Bec om e fam i l iar w i t h DEF and
SCR sys t em sSCR sys t em s
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Objec t ive 1: Bec om e fam i l iar w i t h DEF and SCR
sys tems
2010 heavy2010 heavy--dutydutyemissions standards foremissions standards for
North America are:North America are:
0.2 g/HP0.2 g/HP--hr NOxhr NOx
0.01 g/HP0.01 g/HP--hrhr
Particulate Matter (PM).Particulate Matter (PM).
0.010.01 0.100.10
0.20.2
1.21.2
2.52.5
4.04.0
5.05.0
1994
1998
2002
2007
2010
0.00.00.00.0
N O x
N O x
( g /
h p
( g /
h p - - h r )
h r )
PMPM (g/hp(g/hp--hr)hr)
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Objec t ive 1: Bec om e fam i l iar w i t h DEF and SCR
sys tems
0.010.01 0.100.10
0.20.2
1.21.2
2.52.5
4.04.0
5.05.0
1994
1998
2002
2007
2010
0.00.00.00.0
N O x
N O x
( g /
h p
( g /
h p - - h r )
h r )
PMPM (g/hp(g/hp--hr)hr)
This is a reductionThis is a reductionof emissions byof emissions by
98% since the late98% since the late
19801980’’s.s.
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Objec t ive 1: Bec om e fam i l iar w i t h DEF and SCR
sys tems
Cummins has committedCummins has committedto providing a completeto providing a complete
lineup of certified andlineup of certified and
compliant oncompliant on--highwayhighwayengine products that willengine products that will
meet the 2010meet the 2010
emissions standards.emissions standards.
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Objec t ive 1: Bec om e fam i l iar w i t h DEF and SCR
sys tems
For 2010, Cummins is enhancing the technology that itFor 2010, Cummins is enhancing the technology that it
currently has in the marketplace. Building on itscurrently has in the marketplace. Building on itssuccesses with cooled Exhaust Gas Recirculation (EGR)successes with cooled Exhaust Gas Recirculation (EGR)
introduced in 2002 and the Cummins Particulate Filterintroduced in 2002 and the Cummins Particulate Filter
introduced in 2007, Cummins will meet the 2010introduced in 2007, Cummins will meet the 2010emissions standards with the addition of Nitrogen Oxideemissions standards with the addition of Nitrogen Oxide
(NOx) aftertreatment using Selective Catalytic Reduction(NOx) aftertreatment using Selective Catalytic Reduction
(SCR) technology.(SCR) technology.
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Objec t ive 1: Bec om e fam i l iar w i t h DEF and SCR
sys tems
SCR technology uses a ureaSCR technology uses a ureabased chemical called dieselbased chemical called diesel
exhaust fluid (DEF) and aexhaust fluid (DEF) and a
catalytic converter tocatalytic converter tosignificantly reduce oxides ofsignificantly reduce oxides of
nitrogen (NOx) emissions.nitrogen (NOx) emissions.
SCR Catalyst• Very high efficiency• Thermal stability
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Objec t ive 1: Bec om e fam i l iar w i t h DEF and SCR
sys tems
SCR technology is not newSCR technology is not newto Cummins or Cumminsto Cummins or Cummins
Filtration. In 2006,Filtration. In 2006,
Cummins launched itsCummins launched itsmidrange engines certifiedmidrange engines certified
to the Euro 4 standardto the Euro 4 standard
using SCR for commercialusing SCR for commercial
vehicle applications invehicle applications inEurope.Europe.
SCR Catalyst• Very high efficiency
• Thermal stability
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Objec t ive 1: Bec om e fam i l iar w i t h DEF and SCR
sys tems
Cummins has built andCummins has built andshipped over 50,000 SCRshipped over 50,000 SCR
engines to date.engines to date.
Cummins EmissionCummins EmissionSolutions has built andSolutions has built and
shipped over 250,000shipped over 250,000
SCR systems.SCR systems.
SCR Catalyst• Very high efficiency• Thermal stability
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Objec t ive 1: Bec om e fam i l iar w i t h DEF and SCR
sys tems
Cummins Filtration hasCummins Filtration hasoffered DEF for stationaryoffered DEF for stationary
applications for over 5applications for over 5
years.years.
SCR Catalyst• Very high efficiency• Thermal stability
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Objec t ive 1: Bec om e fam i l iar w i t h DEF and SCR
sys tems
DEF is injected into the hotDEF is injected into the hotexhaust gas stream where itexhaust gas stream where itvaporizes and decomposes tovaporizes and decomposes toform ammonia and carbonform ammonia and carbon
dioxide. Ammonia (NHdioxide. Ammonia (NH33) is the) is thedesired product which indesired product which in
conjunction with the SCRconjunction with the SCR
catalyst, converts the NOx tocatalyst, converts the NOx to
Nitrogen (NNitrogen (N22) and water (H) and water (H220).0).
SCR Catalyst• Very high efficiency• Thermal stability
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Selec t ive Cat a lyt i c Reduc t ion Com ponent sAnd The Chem ic a l Proc ess That Oc c urs
Ins ide The SCR Devic e
Chemistry is well understood and controllable
11 22 33
DEF Injection• Small quantity of DEF injected
• Proportional to NOx rate• 32.5% solution in water,
freezing point = 11°F
• Stored in heated tanks
• (NH2)2CO
Hydrolysis• When the DEF is injected
into hot exhaust gas, itvaporizes anddecomposes to formammonia and carbondioxide
• NH3
NOx Catalysis• NO and NO2 react with
ammonia over a catalystto form nitrogen and
water vapor
44
Ammonia Slip• Any trace amounts of
ammonia remaining afterreaction with NOx is
broken down to nitrogen
• Maximum tailpipe
ammonia 10PPM
UreaInjector
SCRCatalyst
SlipCatalyst
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SCR maximizes combustionSCR maximizes combustionefficiencies allowing the engine toefficiencies allowing the engine tobe fully optimized, providing:be fully optimized, providing: – – Improved engine performance andImproved engine performance and
drivabilitydrivability
– – Up to 5% fuel economy advantage overUp to 5% fuel economy advantage over ‘‘0707Cummins Heavy Duty enginesCummins Heavy Duty engines
– – Lower contaminants in both exhaust andLower contaminants in both exhaust andlube systemlube system
– – Fewer Diesel Particulate Filter (DPF)Fewer Diesel Particulate Filter (DPF)regenerationsregenerations
Objec t ive 1: Bec om e fam i l iar w i t h DEF and SCRsys tems
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Air IntakeSystem
Fuel Lube Coolant
Crankcase Ventilation
System
Turbo
Exhaust Gas
Recirculation System
Engine FiltrationSystems
AftertreatmentSystem
ExhaustSystem
Centrifuge
SCRSCR -- DEFDEF
The combination of combustion design, fuel systems, air handlingThe combination of combustion design, fuel systems, air handling, aftertreatment,, aftertreatment,
filtration and electronic controls, all infiltration and electronic controls, all in--house core technologies, puts Cumminshouse core technologies, puts Cummins
in a very unique and strong market position.in a very unique and strong market position.
Objec t ive 1: Bec om e fam i l iar w i t h DEF and SCR
sys tems
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Objec t ive 2: Gain fur t her k now ledge of DEFObjec t ive 2: Gain fur t her k now ledge of DEF
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Objec t ive 2: Gain fur t her k now ledge of DEF
Diesel exhaust fluid (DEF) isDiesel exhaust fluid (DEF) isthe reactant necessary forthe reactant necessary forthe functionality of the SCRthe functionality of the SCRsystem.system.
DEF is produced fromnatural gas, coal or other
petroleum products.
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Objec t ive 2: Gain fur t her k now ledge of DEF
Pure urea is solid at roomPure urea is solid at roomtemperature. DEF istemperature. DEF isprepared by dissolvingprepared by dissolvingsolid urea to create asolid urea to create a
32.5% solution in32.5% solution indeionized water.deionized water.
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Objec t ive 2: Gain fur t her k now ledge of DEF
DEF has high purityDEF has high purityrequirements which arerequirements which aredefined by the Germandefined by the GermanInstitute of StandardizationInstitute of Standardization
DIN 70700 and theDIN 70700 and theInternational OrganizationInternational Organizationfor Standardization ISOfor Standardization ISO2224122241--1.1.
There is also an AmericanPetroleum Institute (API)
certification.
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Objec t ive 2: Gain fur t her k now ledge of DEF
A 32.5% solution of DEF willA 32.5% solution of DEF willfreeze at 12 degrees F,freeze at 12 degrees F,((--11 C).11 C).
This is the ideal solution as itThis is the ideal solution as it
allows the lowest freezeallows the lowest freezepoint. In the event thepoint. In the event thesolution does freeze, thesolution does freeze, the
urea and water will thaw aturea and water will thaw atthe same rate, ensuringthe same rate, ensuringthe solution does notthe solution does notbecome diluted.become diluted.
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Objec t ive 2: Gain fur t her k now ledge of DEF
The installation of an SCRThe installation of an SCRsystem will provide forsystem will provide forheating of the DEF tank byheating of the DEF tank bytemperature controlledtemperature controlled
coolant heat. The DEF linecoolant heat. The DEF linefrom the tank to the doserfrom the tank to the doserwill be heated bywill be heated bytemperature controlledtemperature controlledelectrical heat tape.electrical heat tape.
The system is designed toThe system is designed tooperate properly in coldoperate properly in cold
climates.climates.
Cummins has seenunaided cold starts at -40°
in under 2 seconds!
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Objec t ive 2: Gain fur t her k now ledge of DEF
It is important to note, thatIt is important to note, thateven in the event that theeven in the event that theDEF supply is frozen, (in aDEF supply is frozen, (in avehicle) it will NOT impactvehicle) it will NOT impact
the operators ability to startthe operators ability to startup and continue normalup and continue normaloperation of the vehicle.operation of the vehicle.
Note: If DEF freezes, it can be thawedand used. DEF is not damaged or
destroyed from being frozen
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Shelf life of DEF is a function of ambient storageShelf life of DEF is a function of ambient storagetemperaturetemperature
– – Not a concern even in the harshest climatesNot a concern even in the harshest climates
ISO Spec 22241ISO Spec 22241--3 details the Storage, Handling3 details the Storage, Handlingand Shelf Life minimum expectationsand Shelf Life minimum expectations
Objec t ive 2: Gain fur t her k now ledge of DEF
DEF stored at a constanttemperature of 95 deg F had a
shelf life of over 6 months!
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Objec t ive 2: Gain fur t her k now ledge of DEF
In order to maintainIn order to maintainmaximummaximum shelf life,shelf life,Cummins recommendsCummins recommendsDEF be stored at under 86DEF be stored at under 86°°
F (30F (30°°C)C)
In order to avoid freezing,In order to avoid freezing,Cummins recommendsCummins recommendsDEF be stored at aboveDEF be stored at above1212°°F (F (--1111°°C)C)
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DEF is safe to handle and storeDEF is safe to handle and store – – NonNon--toxic and nontoxic and non--pollutingpolluting
– – NonNon--flammableflammable – – Stable and colorlessStable and colorless
– – NonNon--hazardoushazardous – – Does not require special handlingDoes not require special handling
When stored at extremeWhen stored at extremetemperatures, neither DEF nortemperatures, neither DEF norUrea become toxicUrea become toxic
DEF is slightly alkaline with a pHDEF is slightly alkaline with a pHof approximately 9of approximately 9
Diese l Ex haust Flu id - Proper t ies
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Objec t ive 2: Gain fur t her k now ledge of DEF
DEF consumption isDEF consumption isexpected to beexpected to beapproximately 2% of fuelapproximately 2% of fuelconsumption, dependantconsumption, dependant
on vehicle operation,on vehicle operation,duty cycle, geography,duty cycle, geography,ratings etc.ratings etc.
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Example: Heavy DutyExample: Heavy Duty
Annual miles for average truck =Annual miles for average truck =120,000120,000
mpg for average truck = 6 mpgmpg for average truck = 6 mpg
120,000/ 6 mpg = 20,000 gallons diesel120,000/ 6 mpg = 20,000 gallons dieselfuel per yearfuel per year
DEF usage @ 2% of fuel consumptionDEF usage @ 2% of fuel consumption= 400 gallons of DEF/year= 400 gallons of DEF/year
400 gallons / 20 gallon tank (average400 gallons / 20 gallon tank (averagesize) =size) = 20 DEF fill20 DEF fill--ups/yearups/year
Diese l Ex haust Flu id - Opera t ion
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Example: Medium DutyExample: Medium Duty
Annual miles for average truck = 50,000Annual miles for average truck = 50,000 mpg for average truck = 8 mpgmpg for average truck = 8 mpg
50,000 miles/8 mpg = 6,250 gallons50,000 miles/8 mpg = 6,250 gallons
diesel fuel per yeardiesel fuel per year
DEF usage @ 2% of fuel consumptionDEF usage @ 2% of fuel consumption= 125 gallons of DEF/year= 125 gallons of DEF/year
125 gallons / 10 gallon tank (average125 gallons / 10 gallon tank (averagesize) =size) = 13 DEF fill13 DEF fill--ups/yearups/year
A truck averaging 8 mpg canexpect to travel approximately 400
miles on 1 gallon of DEF!
Diese l Ex haust Flu id - Operat ion
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DEF level gaugeDEF level gaugeincorporated with all fuelincorporated with all fuel
gaugesgauges
Multiple step notificationMultiple step notification
system as to remaining DEFsystem as to remaining DEF
At no time is the vehicleAt no time is the vehicle
ever shut down due to noever shut down due to no
DEF remainingDEF remaining
Diese l Ex haust Flu id - Operat ion
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The function of the SCRThe function of the SCRsystem is dependant on asystem is dependant on ahigh quality, 32.5% DEFhigh quality, 32.5% DEFsolution:solution:
– – NOx sensors are in placeNOx sensors are in placeto ensure good qualityto ensure good qualityDEF is always usedDEF is always used
Diese l Ex haust Flu id - Operat ion
NOx
Sensors
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Diese l Ex haust Flu id - Main t enanc e
On Cummins engines,On Cummins engines,
maintenance is a simplemaintenance is a simple
filter change every 200Kfilter change every 200K
miles, 322K kilometers ormiles, 322K kilometers or5000 hours.5000 hours.
This DEF dosing unit filterThis DEF dosing unit filterwill be available for orderwill be available for order
from your local Cumminsfrom your local Cummins
Distributor.Distributor. DEF Dosing UnitFilter Location
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Diese l Ex haust Flu id - Main t enanc e
The filter is located under a twist off cap in the DEF tankThe filter is located under a twist off cap in the DEF tank
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Objec t ive 3: Underst and Cum m insObjec t ive 3: Underst and Cum m ins
Fi l t ra t ionF i l t ra t ion ’’s role in DEF supplys role in DEF supply
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Objec t ive 3 : Unders tand Cum m ins Fi l t ra t ion ’s ro le in
DEF supp ly
Cummins Filtration has beenCummins Filtration has beenproviding DEF for use inproviding DEF for use in
stationary engines sincestationary engines since
2003, formerly sold under2003, formerly sold under
the StableGuard Ureathe StableGuard Urea
name.name.
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Objec t ive 3 : Unders tand Cum m ins Fi l t ra t ion ’s ro le in
DEF supp ly
Cummins Filtration offersCummins Filtration offersDEF through our extensiveDEF through our extensive
distribution network, whichdistribution network, which
includes over 20,000includes over 20,000
locations with nearly 8,000locations with nearly 8,000
retailers in North America.retailers in North America.
Fleetguard DEF is available forOEM first-fill as well as
Aftermarket sales.
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Objec t ive 3 : Unders tand Cum m ins Fi l t ra t ion ’s ro le in
DEF supp ly
Fleetguard DEF meetsFleetguard DEF meetsISO22241 specificationsISO22241 specifications
and is certified by API.and is certified by API.
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Objec t ive 3 : Unders tand Cum m ins Fi l t ra t ion ’s ro le in
DEF supp ly
Fleetguard DEF is availableFleetguard DEF is availablein bulk, plastic andin bulk, plastic and
disposable totes, plasticdisposable totes, plastic
drums, and smallerdrums, and smaller
container sizes.container sizes.
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Objec t ive 3 : Unders tand Cum m ins Fi l t ra t ion ’s ro le in
DEF supp ly
Bulk delivery is availableBulk delivery is availabledirectly from our blendingdirectly from our blending
facilities for addedfacilities for added
convenience, and will beconvenience, and will be
available throughout Northavailable throughout NorthAmerica.America.
Minimum tanker loadsare 5,000 gallons, FOB
blending location.
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Cum m ins Fi l t ra t ion DEF
AllAll--inin--One Kits for DEF DispensingOne Kits for DEF Dispensing
include motor, pump, nozzle, hose, andinclude motor, pump, nozzle, hose, andadapteradapter
39703993970399 – – Tote Electric KitTote Electric Kit
39703983970398 – – Tote Air KitTote Air Kit 39704033970403 – – Drum Electric KitDrum Electric Kit
39704023970402 – – Drum Air KitDrum Air Kit
Optional flow meterOptional flow meter -- 39703973970397
All materials meet ISO requirements forAll materials meet ISO requirements forDEF compatibilityDEF compatibility
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DEF pricing is driven by various market factorsDEF pricing is driven by various market factors – – Natural gas prices are only one driver of DEF pricingNatural gas prices are only one driver of DEF pricing
– – Current pricing is based on low volumeCurrent pricing is based on low volume
– – The growing demand and increasing availability for DEF willThe growing demand and increasing availability for DEF willinfluence competitive pricinginfluence competitive pricing
Pricing of bulk DEF will be around the price ofPricing of bulk DEF will be around the price ofdiesel, in the $2diesel, in the $2 -- $3 per gallon range$3 per gallon range
Smaller package pricing will vary based upon sizeSmaller package pricing will vary based upon sizeand delivery methodand delivery method
Diesel Ex haust Flu id Pr ic ing
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Learn More about DEF
To learn more aboutTo learn more aboutDEF, there are severalDEF, there are several
helpful tools onhelpful tools oncumminsfiltration.comcumminsfiltration.com:: – – Brochure, LT15618Brochure, LT15618
– – DEF Usage CalculatorDEF Usage Calculator
– – DEF Fact Sheet, MB10033DEF Fact Sheet, MB10033 – – DEF Informational VideoDEF Informational Video
– – DEF MSDS SheetDEF MSDS Sheet
Or visit these websites:Or visit these websites: – – everytime.cummins.comeverytime.cummins.com
– – factsaboutscr.comfactsaboutscr.com
– – truthaboutscr.comtruthaboutscr.com
– – truckscr.comtruckscr.com