Post on 01-Sep-2019
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Schadstoffreduktion im Offroad Sektor
SSM-Mitgliederversammlung10. Mai, Bulle
Dieselmotoren für Off-Road Anwendungspezifische Anforderungen
1 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
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2 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
Nichtstrassengebundene bewegliche Maschinen und GeräteNon-road mobile machinery – NRMM (97/68/EC)
� non-road mobile machinery shall mean any mobile machine, transportabl industrial equipment or vehicle with or without
bodywork, not intended for the use of passenger- or goods-transport on the road, in which an internal combustion engine
as specified in Annex I section 1 is installed.
� mobile Maschinen und Geräte :mobile Maschinen, mobile industrielle Ausrüstungen oder Fahrzeuge mit oder ohne Aufbau, die nicht zur Beförderung von Personen oder Gütern auf der Straße bestimmt sind und in die ein Verbrennungsmotor gemäß der Definition in Anhang I Nummer 1 eingebaut ist
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Applications with Liebherr Diesel Engines
Crawler tractors 12-60 tCrawler excavators 20-100 t
Wheel loaders Articulated Trucks Crawler cranes <3000t
Pipelaying machines
Duty cycle excavators
Ship & offshore cranesMobile cranes <1200t
Harbour mobile cranes
Special vehicles Agriculture Generator setPipe Bending Machine ShredderSnow blower
Wheeled excavators 20-200t Mobile construction cranes
Mining excavators 100-150 t Reachstackers
Material handling excavators
2013-11-07 / 11. FAD-Konferenz / Dresden / LMB-JAF3
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4 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
Chronology of exhaust legislation: on- vs off-highway
Stufe V
0.40/0.01
PN: 9x1011
#/kWh
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5 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
NRTC: basierend auf 7 Baumaschinen-Zyklen
NRTC
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6 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
European Transient Cycle (ETC)Non-Road Transient Cycle (NRTC)
Emissions transient test cycles for HD Diesel engines
Off-Road (Stage IIIB & IV) On-Road (Euro IV & V)
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7 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
World Heavy Duty Transient Cycle (WHTC)Non-Road Transient Cycle (NRTC)
Emissions transient test cycles for HD Diesel engines
Off-Road (Stage IIIB & IV) On-Road (EURO VI)
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8 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
0
10
20
30
40
50
60
70
80
90
100
110
800 1000 1200 1400 1600 1800 2000 2200Drehzahl in 1/min
Rel
ativ
es D
rehm
omen
t in
%
30 % Peff, max
70 % Peff, max
30 % M, max
Zone II
Zwischendrehzahl
NenndrehzahlNRSC
Zone I
NTE-Drehzahl min
50 % Peff, max
8 NRSC-Moden
Bsfc_min + 5%
Testzyklen für Industriemotoren:NRSC (ISO 8178 C1) und NRTC Not-to-Exceed-Areas (NTE) für Industriemotoren
Offroad-Testzyklen und NTEs ab Stufe IIIB/Tier4i
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9 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
Local Immisions Æ Directive 2008/50/EC – immissions exceedance
relating to limit values for sulphur dioxide, nitrogen dioxide and oxides of nitrogen, particulate matter and lead in ambient airÆ requires that action plans be developed for zones within which concentrations of pollutants in ambient air exceed limit valuesÆ LEZ (Low Emissions Zone)
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10 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
Schräglage
Hitze
Staub
Wasser
On- & off-highway applications: Same emission target but different operational conditions
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11 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
Requirements on off-highway diesel engines
• Low-end & robust design, design life up to 15'000 h• Flexible & modular design• Multiple auxiliary drives, different flylwheel sizes• Inclination capability (up to 45°)• Rated power at low rpm (Down speeding)• High torque rising• Low fuel consumption• Engine cold start with hydrostatic towing load• Quietness (noise & vibration)• Operational reliability also with low-grade fuel and
lubricating oil• Easy servicing, maintenance interval > 500 h• Low life cycle costs
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DurabilityReliability
Performance
Availability
Easy servicing
Total Costs of
Ownership TCO
legislation
Requirements (end customer) on heavy-duty Diesel enginesfor on- and off-highway applications
2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF12
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Application ATS ATS Layout
Earthmoving
EGR-DPF
SCR
Cranes
13 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
Liebherr Diesel Engines & ATS Solutions vs ApplicationsStage IIIB /Tier4i (P<560 kW)
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Application ATS ATS Layout
Earthmoving
EGR-DPF
SCR
Cranes
14 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
Liebherr Diesel Engines & ATS Solutions vs ApplicationsStage IIIB /Tier4i (P<560 kW)
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15 2013-11-07 / 11. FAD-Konferenz / Dresden / LMB-JAF
Diversity of variants: machine-specific application?
Excavator
220@1800
application EAT integration Duty cycleBase engine
D936 A7 DPF230 kW @ 2000 min-1
Goa
l: C
omm
on D
PF re
gene
ratio
nst
rate
gy
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16 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
Two overall sizes:� high power system (engines D856, D946, D9508 power 350 – 505 kW)� low power system (engines D934, D936 power 129 – 300 kW)
Æ52 different SCR-configurations
Diversity of variants: Modular SCR-only Concept for Stage IIIB / Tier4i
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2002:D 926 TI-E A3 Stage II / T2 2011: D 936 A7 Stage IIIB / T4i (EGR)
2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF17
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18
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19
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Context : Stage IV / Tier 4f (starting from 2014)
2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF20
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DurabilityReliability
Performance
Availability
Easy servicing
Total Costs of
Ownership TCO
legislation
Requirements (end customer) on heavy-duty Diesel enginesfor on- and off-highway applications
2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF21
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22 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
EGR DOC DPF SCR
DOC SCR
EGR DOC SCR
EGR SCR
DOC DPF SCR
SCR �Liebherr SCR Technology
Different solutions to achieve stage IV / Tier 4f
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23 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
SCR system for stage IVLiebherr
engine control unit
Air pump
DEF tank
DEF pump
Air
Exhaust gas
Enginecoolant
Heater circuit valve
Mixture pathInjector
SCR and slip catalytic converter
Electrical wiringCAN bus
Temperature sensorNOx sensorNH3 sensor
Fill level sensorQuality sensor
Cleanedexhaust gas
CAN bus
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Liebherr Stage IV/T4f Engines: main features
2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF24
Basic engine
Liebherr Control unit
Liebherr CR Injection system
2 mass balancing shafts (4 cylinder Engines)
electrically actuatedexhaust flap (exhaust gas temperature management)
SCR
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Power: 200/230 kWDisplacement: 7 / 8 l
Weight: 900 kg
Types: D934 A7D944 A7
Power: 320/400kWDisplacement: 10.5 /12 lWeight: 1,200 kg
Types: D936 A7D946 A7
Power: 505 kWDisplacement: 16.2 l
Weight: 1,625 kg
Types: D9508 A7
4-cylinderin-line engine
6-cylinderin-line engine
8-cylinderV-engine
Power: 750 kWDisplacement: 24.2 l
Weight: 2.050 kg
Types: D9512 A7
12-cylinderV-engine
The D93, D94 and D95 engines series
2015-10-29 / LMB Diesel / LWE-KD-Leitertagung / JAF25
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Einführung Stufe V (EU) ab 2019 (130-560kW)
26 2016-01-08 / LH Diesel Engines/ LMB-VD / JAF
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Liebherr SCR on Filter System (SCRFilter)
Air pumpAir
Engine coolant water
Control valve
Adblue® Tank
Electrical wiring harness
CAN Bus CommunicationTemperature sensor
NOx sensorNH3 sensor
Tank sensorQuality sensor (O)
Exhaust gas
Adblue® pump
Adblue® injectorInjection pipe
SCRF + SCR and ASC catalyst
ECU
Delta Pressure sensor
Diesel Oxydation Catalyst
2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF27
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NRMM Emissions Regulations – 2015
The following emissions overview represents only LMBs current understanding and interpretation of emission regulations. While it might be used for reference, equipment
manufacturer’s are in charge of verifying the current emission regulations with the appropriate regulatory agencies before making any business decisions.
28 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
2
3
Non reg. Tier 1 Tier 2 Tier 3 Tier 4 int Tier 4 final
Stage I Stage II Stage IIIA Stage IIIB Stage IV Stage VTier: USA-EPA Nonroad Regulation (40 CFR 89, 40 CFR 1039 and 40 CFR 1068). Stage: Nonroad-Directive 97/68/EC (as amended by 2012/26/EC). MOE: Japan MOE IIIA MOE IIIB MOE IV prop.
1 4
130kW to 560kW
1 AlbaniaBosnia & Herzegovina
MacedoniaSerbia
2 Singapore
3 North KoreaSouth Korea
Japan
4 Turkey: Stage IIIA engines__can optionally be imported
5 Russia & boarding ---------------- ----countries: choice of Stage II or
--Stage IIIA still in discussion
5
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NRMM Emissions Regulations – 2019 - ?
The following emissions overview represents only LMBs current understanding and interpretation of emission regulations. While it might be used for reference, equipment
manufacturer’s are in charge of verifying the current emission regulations with the appropriate regulatory agencies before making any business decisions.
29 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
2
3
Non reg. Tier 1 Tier 2 Tier 3 Tier 4 int Tier 4 final
Stage I Stage II Stage IIIA Stage IIIB Stage IV Stage VTier: USA-EPA Nonroad Regulation (40 CFR 89, 40 CFR 1039 and 40 CFR 1068). Stage: Nonroad-Directive 97/68/EC (as amended by 2012/26/EC). MOE: Japan MOE IIIA MOE IIIB MOE IV prop.
1
130kW to 560kW
4
1 AlbaniaBosnia & Herzegovina
MacedoniaSerbia
2 Singapore
3 North KoreaSouth Korea
Japan
4 Turkey: Stage IV engines__can optionally be imported
5 Russia & boarding ---------------- ----countries: choice of Stage II or
--Stage IIIA still in discussion
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30
NRMM Emissions Regulations 2015-2018
The following emissions overview represents only LMBs current understanding and interpretation of emission regulations. While it might be used for reference, equipment
manufacturer’s are in charge of verifying the current emission regulations with the appropriate regulatory agencies before making any business decisions.
2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
Non regulated Tier 4 finalTier: USA-EPA Nonroad Regulation (40 CFR 89, 40 CFR 1039 and 40 CFR 1068). Stage: Nonroad-Directive 97/68/EC (as amended by 2012/26/EC).
above 560kW
1 Beijing: Tier 4
1
Tier 2
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31
NRMM Emissions Regulations 2019-?
The following emissions overview represents only LMBs current understanding and interpretation of emission regulations. While it might be used for reference, equipment
manufacturer’s are in charge of verifying the current emission regulations with the appropriate regulatory agencies before making any business decisions.
2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
1 AlbaniaBosnia & Herzegovina
MacedoniaSerbia
2 Beijing: Tier 4
Non regulated Tier 4 finalTier: USA-EPA Nonroad Regulation (40 CFR 89, 40 CFR 1039 and 40 CFR 1068). Stage: Nonroad-Directive 97/68/EC (as amended by 2012/26/EC). Stage IV
1
above 560kW
Tier 2
2
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Diesel Fuel Sulphur Levels Global Status June 2015
32 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
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Global Market for Excavators
33 2015-11-04 / 13. FAD-Konferenz / Dresden / LMB-JAF
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34 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
New generation of LIEBHERR Diesel Engines (P<560kW) Æ 1 single basis for 4 emission levels
/ CH-LRV
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35 2016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
New generation of LIEBHERR Diesel Engines (P>560kW) Æ 1 single basis for 2 emission levels
+ SCR
Base engine= Tier0
Tier 4f / Stage V
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362016-05-10 / SSM-Mitgliederversammlung / LMB-JAF
Concept with SCR and without EGR :Easy detiering from Tier 4f to Tier 0
After a detiering from Tier4f to Tier0, an uptiering back to Tier4f is possible
© Liebherr-Component Technologies AG, 2011
Liebherr Components
System Solutions from One Source
Thank you for your attention !