Post on 08-Mar-2018
마스터 제목 스타일 편집
Eco-friendly and Cost-effective
LNG Solutions for LNG Carriers driven
by New Propulsion Systems
April, 2017
Hyundai Heavy Industries
1Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
마스터 제목 스타일 편집CONTENTS
1 Introduction
2 Trend of propulsion system for LNG carriers
3 Key parameters of FGSS of LNG carriers
4 Fuel supply system for LNG carriers
5 Hi-SGAS, new FGSS for LNGC propulsion system
6 Economic evaluation of LNG carriers
7 ecoSMRTTM (SMR)
8 Gas turbine-powered LNG carriers
9 Conclusion
2Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
마스터 제목 스타일 편집1. Introduction
3
Sream Turbine[HMM 125K LNGC]
1991
2001
Steam Turbine[GOLAR 137K LNGC]
2013
DFDE LNGC[BP 155K LNGC]
2004
2009
X-DF LNGC[GASLOG 174K LNGC]
Under Construntion
2013
ME-GILNGC[KNUTSEN 176K LNGC]
Slow-speed Diesel+Re-Liquefaction LNGC
[QG 216K LNGC]
Innovations & enhancements of LNG carriers
2016
X-DF + Hi-SGAS LNGC[SK 180K LNGC]
Under Design
Gas Turbine powered LNGC
Joint Development with GE
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
2014
UST LNGC[MISC 150K LNGC]
마스터 제목 스타일 편집
Propulsion system for LNG carriersMain interests in propulsion system
- FOC Reduction (High Efficiency)
- BOG Handling
2. Trend of propulsion systems for LNG carriers
4
BOG : Boil-Off Gas
FOC : Fuel Oil Consumption
2006 2012
Steam Turbine Slow-speed Diesel with Re-Liquefaction
DFDE
ME-GI
or
X-DF
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
?
마스터 제목 스타일 편집
Engine
Efficiency
3. Key parameter for FGSS of LNG carriers
5
Voyage
ProfileBOR
Fuel
Price
Various options and combinations
can be possible for propulsion systems
with innovative FGSS in LNG carriers
to reduce fuel cost during an voyage
Availability
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
Variety of approaches to enhance FGSS & propulsion systems
마스터 제목 스타일 편집
TFDE
GCU
No.2 HP Compressor
ME-GI
HP LNG Pump
MistSeparator
Fuel Gas Heater
No.1 HP Compressor
Spray/FuelGas Pump
Vaporizer
Fuel Oil Tank
BOG
Diesel
Engine
BOG
compressor
Fuel OilReliquefaction
Diesel
Engine
G
G
Fuel Oil Tank
Steam
BOG
Boiler
HP Turbine
LP Turbine
GDiesel
Engine
BOG
compressor
Fuel Oil
6
4. Fuel supply system for LNG carriers
Steam Turbine Slow-speed Dieselwith Re-Liquefaction
DFDE
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
ME-GI X-DF X-DF (Hi-SGAS)
마스터 제목 스타일 편집5. Hi-SGAS (Hyundai Innovative-Smart GAs System)
7
Conventional X-DF application Hi-SGAS X-DF application
Less flow to compressor
saves energy
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
Hi-SGAS is improved solution for X-DF fuel gas supply system Hi-SGAS saves cost by reducing the energy for compressing BOG
마스터 제목 스타일 편집5. Hi-SGAS (Hyundai Innovative-Smart GAs System)
8
Conventional Hi-SGAS
Schematic
Diagram
F.G.S.S.
(Power
Consumption)
Laden Centrifugal
Centrifugal : ∇140 kW
Screw : ∇180 kW
Reciprocating : ∇340 kW
Ballast Centrifugal
Centrifugal : ∇230 kW
Screw : ∇340 kW
Reciprocating : ∇510 kW
FOC Reduction
(Laden / Ballast)- 0.5 ~ 1.6 ton/day
Based on 180K LNGC, 0.085%, 19.5 knot
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
Efficiency Increase of X-DF with Hi-SGAS Especially, better solution at lower BOR solution
마스터 제목 스타일 편집6. Economic Evaluation
9Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
Vessel speed : 19.5 kt
Laden 165 days
Ballast 165 days
DFDE XDF ME-GI
100% 98% 106%
CAPEX Difference
Payback Time for ME-GI
Payback Time
(CAPEX Difference)
XDF 60 Years
180K LNGC base
BOR: 0.1% per day
LNG Price: 380 USD/ton
HFO Price: 310 USD/ton
MGO Price: 480 USD/tonVessel speed is 19.5 kt
13.8M
10.2M 9.8M
What is the most efficient solution with consideration of CAPEX & OPEX
Fuel Consumption for 1 year
마스터 제목 스타일 편집
10
Source: DNV
Excess BOG Estimation
180K X-DF LNGC
BOR: 0.1% per day
Laden BOG: 3,125 kg/h
SPEED
(kt)
ENGINE
POWER
(kW)
BOG
CONSUMPTION
(kg/h)
EXCESS
BOG
(kg/h)
12.0 5,190 1125.0 2000.0
12.5 5,860 1220.8 1904.2
13.0 6,590 1320.8 1804.2
13.5 7,370 1429.2 1695.8
14.0 8,190 1545.8 1579.2
14.5 9,070 1666.7 1458.3
15.0 9,990 1787.5 1337.5
15.5 10,980 1916.7 1208.3
16.0 12,040 2058.3 1066.7
16.5 13,150 2204.2 920.8
17.0 14,310 2362.5 762.5
17.5 15,560 2537.5 587.5
18.0 16,880 2720.8 404.2
18.5 18,270 2920.8 204.2
19.0 19,760 3133.3 0.0
19.5 21,380 3362.5 0.0
7. ecoSMRTTM (SMR)
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
Excess BOG Handling Issues Excess BOG exists at most of laden voyage
Without any systems to handle excess BOG,
BOG should be burnt away or obligated higher vessel speed is necessary to keep tank pressure
마스터 제목 스타일 편집Motivation for development of ecoSMRT
11
ERS N2 Brayton MR
ecoSMRT
7. ecoSMRTTM (SMR)
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
마스터 제목 스타일 편집
• 1.5 t/h capacity: Normal operation condition at 15 knots
• 2.5 t/h capacity: For handling BOG at port condition
• 3.5 t/h capacity: For handling BOG at all condition including HFO operation mode
12
BOG (Laden)
3,080 kg/h
Excess BOG
At port condition
2,480 kg/h
Excess BOG
(HFO mode)
3,080 kg/h
Excess BOG
At Normal operation
(15kt ship speed)
1,020 kg/h
M/E fuel consumption at 15 knots
: 1460 kg/h
DFDE fuel consumption
: 600 kg/h
1.5 ton/h 2.5 ton/h
3.5 ton/h
7. ecoSMRTTM (SMR)
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
Application of ecoSMRT for marine system
마스터 제목 스타일 편집
13
• Fewer pieces of equipment compared to existing MR designs
• Only one piece of rotating equipment
• Simpler control system
• No secondary refrigeration loop
7. ecoSMRTTM (SMR)
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
SMR
Benefits of ecoSMRT - Reduced complexity
마스터 제목 스타일 편집
14
• Fewer pieces of equipment with a significantly smaller footprint
• Easier retrofit integration
7. ecoSMRTTM (SMR)
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
Benefits of ecoSMRT - Compact footprint
마스터 제목 스타일 편집
15
▼ 200 kW
▼ 50 kW
7. ecoSMRTTM (SMR)
MR SMR
100% 94%
CAPEX Difference
SMR is a best option for excess BOG handling
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
Benefits of ecoSMRT – Less power consumption
Pure methane base
마스터 제목 스타일 편집7. ecoSMRTTM (SMR)
16
180K LNGC base
BOG: 0.1% per day
SMR: 1.5 tphcapacity
LNG Price: 380 USD/ton
HFO Price: 310 USD/ton
MDO Price: 480 USD/ton
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
Voyage Distance: 5400 NM
Vessel Speed: 19.5 kt
Voyage Days: 115 days
Voyage Distance: 5400 NM
Vessel Speed: 15 kt
Voyage Days: 150 days
Fuel Price
(M USD)
XDF Application
Voyage Distance: 5400 NM
Vessel Speed: 19.5 kt
Voyage Days: 115 days
Voyage Distance: 5400 NM
Vessel Speed: 15 kt
Voyage Days: 150 days
Fuel Price
(M USD)
ME-GI Application
Effective BOG re-liquefaction systemMore than 0.8 M USD can be reduced for 10 laden voyage
마스터 제목 스타일 편집8. Gas Turbine-powered LNG Carriers
17Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER
World’s first gas turbine-powered LNG carrier
• IMO Tier III compliance without SCR/EGR in LNG/MGO operation
• Approval in Principle (LR, July 2015)
• Developed jointly with GE Aviation and Marine
마스터 제목 스타일 편집9. Conclusion
18
Eco-friendly, Energy-saving, Cost-effective LNG solutions
• “Flexible & Robust Technologies to be considered”
• Approaches depending on capacity, vessel speed, the duration of voyages, specific factors
The best solution for LNG carrier
• Low BOR CCS
• High efficiency propulsion systems
- X-DF + Hi-SGAS
• Cost effective & high performance BOG re-liquefaction systems
- Compact full re-liquefaction
- Flexibility on speed, operation variations
Corporate Research Center
Shipbuilding Division / HYUNDAI LNG CARRIER