WinGD X62DF-S2.0 - Page 119

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Marine Installation Manual 2022-03 4-40

4 Ancillary Systems

4.5 Fuel gas system

X62DF-S2.0

Figure 4-22 Lean burn with pilot ignition

Figure 4-23 Lean-burn operation window

SM-0112

Scavenging

Compression &

gas admission

Ignition

Expansion

SM-0111

Air to fuel gas ratio

Main Page

List of Changes3
Table of Contents4
Preface18
Marine Installation Manual Introduction18
Explanation of Symbols in this Marine Installation Manual19
Marine Installation Drawing Set20
General Technical Data (GTD)21
Operation and Maintenance Manuals21
GTD Screenshot21
Engine Summary22
Engine Capability and Features22
Special Characteristics of Short-Stroke Dual-Fuel Engines22
X62DF-S2.0 Summary Values for Maximum Continuous Rating22
Special Engine Features24
Principal Engine Features and Technologies24
The Icer Technology25
Primary Engine Data26
Power/Speed Range of the Wingd X-DF Engines26
Engine Rating Field - Rating Points27
Rating Points27
Engine27
Principal Engine Dimensions and Weights28
Principal Engine Dimension Values28
Principal Engine Dimensions28
Fuel Operating Modes29
Operating Modes of the X-DF2.0 Engine with Icer Gas Mode29
Fuel Split (Energy-Based) for Different Operating Modes30
Operating Modes of the X-DF2.0 Engine with Icer Gas and Diesel30
Operation in Gas Mode31
Gas Mode Operation31
Shaft Power Meter Requirements32
The Icer System32
Shaft Power Meter Parameters32
The Icer System with One Turbocharger33
The Icer System with Two Turbochargers33
Operation in Diesel Mode34
The Flex System34
The Flex System Parts34
Icer Diesel Tier III Mode35
Operation in a Mixed Fuel Mode35
Combustion Stability Mode35
Diesel Fuel Ratio During Active CSM35
Fuel Sharing Mode36
Fuel Sharing Mode - Available Operating Window36
Fuel Sharing Mode - Energy Amount of Different Ratios of Fuel37
Changeover between Operating Modes38
Transfers and Gas Trips38
Engine Power and Speed40
Introduction to Power and Speed40
Engine Rating Field40
Rating Field for the X62DF-S2.040
Rating Points41
Influence of Propeller Diameter and Revolutions41
Power Range42
Propeller Curves and Operational Points42
Sea Trial Power43
Sea Margin43
Propeller Curves and Operational Points43
Light Running Margin44
Continuous Service Rating44
Engine Margin44
Contracted Maximum Continuous Rating44
Power Range Limits45
Line 5 Coefficients47
Line 6 Coefficients48
Power Range Limits with a Power Take-Off Installation for a FPP49
PTO Incorporation of Method 149
Power Range Diagram of an Engine with a PTO49
Line 10 Coefficients50
Power Range Limits for PTO Operation - Method 150
PTO Incorporation of Method 251
Power Range Limits51
Prohibited Operation Area52
The Prohibited Operation Area (CMCR Speed = R1-R2)52
Prohibited Operation Area for Different Speed Rated Engines54
Calculating the Prohibited Operation Area for the CMCR Speed54
CPP Requirements for the Propulsion Control System57
Engine Installation58
Engine Dimensions and Masses58
Engine Dimensions58
Dismantling Heights for Piston and Cylinder Liner59
Crane Requirements59
Thermal Expansion between the Turbocharger and Exhaust Gas60
Piping60
Thermal Expansion, DIM. X, Y, Z60
Content of Fluids in the Engine61
Conditions and Requirements62
Pressure and Temperature Ranges62
Operating Conditions62
Reference Conditions62
Design Conditions62
Ancillary System Design Parameters63
Electrical Power Requirement64
Engine Outline Views65
Platform Arrangement66
Drawings66
Minimum Requirements for Escape Routes66
Minimum Requirements for Headroom66
Engine Foundation and Seating67
Engine Load and Force Transmission67
Engine Foundation Layouts67
Force Transmission to the Engine Foundation67
A Comparison of the Standard and Narrow Engine Foundation Layout67
Engine Installation and Fixation68
Advantages and Disadvantages for the Standard and Narrow Engine68
Foundation Bolting69
Welded Type69
Side Stopper Installation Arrangement70
Proposed Designs for Water-Tight Bolting70
Assembly71
Assembly of Subassemblies71
Installation of a Complete Engine72
Installation of an Engine from Assembled Subassemblies72
Installation of an Engine in Ship on Slipway72
Engine and Shaft Alignment73
Instructions and Limits73
Tools73
Engine Coupling74
Design74
Machining and Fitting of Coupling Bolts74
Tightening74
Installation Drawing74
Engine Stays75
Propulsion Shaft Earthing76
Preventive Action76
Earthing Device76
Typical Shaft Earthing Arrangement77
Typical Shaft Earthing with Condition Monitoring Facility78
Fire Protection79
Recommended Quantities of Fire Extinguishing Medium79
Ancillary Systems80
Twin-Engine Installation81
Common and Independent Systems in Twin-Engine Installations81
Fuel Oil System81
System81
Cooling Water System for Twin-Engine Installation82
The Icer83
Overview of the Components for the Icer System with One83
Overview of the Components for the Icer System with Two84
The Icer Description85
The Icer System with One Turbocharger85
The Icer System with Two Turbochargers85
Turbocharger86
Turbochargers86
The Icer Exhaust Gas System86
Heat Recovery (Economiser)87
Arrangement of the Additional Economiser (Source: Alfa Laval)87
Cooling Water System88
Separate HT Cooling Water Circuit88
Low-Temperature Circuit89
Arrangement 189
Arrangement 289
Arrangement 390
LT Cooling Water Circuit - Single Set-Point Temperature90
LT Cooling Water Circuit - Dual Set-Point Temperatures90
Low-Temperature Circuit Components92
High-Temperature Circuit93
High-Temperature Circuit Components94
HT Cooling Water Circuit94
Pre-Heating97
Pre-Heating from Cooling Water Systems97
Pre-Heating by Direct Water Circulation97
Freshwater Generator98
Cooling Water Treatment99
Recommended Specifications for Raw Water99
General Recommendations for the Cooling Water System Design100
The EGC Circulation Water System101
Lubricating Oil Systems102
Lubricating Oil Requirements102
Main Lubricating Oil System102
Lubricating Oil System102
Main Lubricating Oil System Components103
System Oil105
Flushing the Lubricating Oil System105
Lubrication for Turbochargers105
Cylinder Lubricating Oil System105
Changeover between Cylinder Lubricating Oils106
Service Tank and Storage Tank109
Electrical Trace Heating for System Side Cylinder Lubricating Oil109
Heating Cable Specification110
Maintenance and Treatment of Lubricating Oil111
Drain Tank112
Fuel Gas System117
Safety Considerations117
Operating Principles118
The Lean-Burn Concept118
Gas Specifications120
Methane Number Dependent Engine Output121
Methane Number Calculation121
Fuel Gas Supply System122
Master Gas Fuel Engine Valve122
Tank Type122
Section View of an Integrated Membrane Tank122
Section View of a Free-Standing Type a Tank123
Section View of a Free-Standing Type B Tank of Moss Design123
Supplying Fuel Gas125
Pressurised Type C Tank Solution with NBOG Handling by the126
Pressurised Type C Tank Solution with NBOG Handling by the127
Non-Pressurised Tank Solution, Drawn for an LNGC127
Re-Liquefaction Process128
Fuel Gas Supply Pressure130
Design Fuel Gas Supply Pressure Requirements131
Fuel Gas Supply Pressure Control at the Engine Inlet133
Fuel Gas Supply Pressure Control at the GVU Inlet134
Fuel Gas Pressure Level Definitions134
On-Engine Integrated Gas Pressure Regulation Unit135
Fuel Gas Supply System with the Igpr135
Off-Engine Gas Valve Unit137
Fuel Gas Venting139
Ventilation of Double-Wall Fuel Gas Piping139
Purging by Inert Gas140
Purity of Inert Gas (Engines with Igpr)141
Purity of Inert Gas (Engines with GVU)141
Fuel Gas Leak Test143
Gas Leak Test Sequence (Engines with Igpr)143
Gas Leak Test Sequence (Engines with GVU)143
System143
Pilot Fuel Oil System144
Specification of the Pilot Fuel Oil Filter on the System Side146
Fuel Oil System147
Fuel Oil System Components147
Feed Pump - Low-Pressure Fuel Oil148
Pressure Regulating Valve149
Mixing Unit149
Mixing Unit150
Booster Pump - High-Pressure Fuel Oil151
End-Heater151
Viscometer152
MDO/MGO Heat Exchanger152
Fuel Oil Filters - Arrangement 'A153
Fuel Oil Filter Arrangement 'A154
Specification of Automatic Self-Cleaning Filter in Feed System155
Specification of Automatic Self-Cleaning Filter in Booster System156
Specification of Duplex Filter in Booster System157
Fuel Oil Filter - Arrangement 'B158
Fuel Oil Filter Arrangement 'B158
Fuel Oil System with Only MDO/MGO or MGO159
Fuel Oil Feed Pump160
Fuel Oil Heat Exchanger160
Fuel Oil Filter160
Flushing the Fuel Oil System160
Fuel Oil Treatment161
Settling Tanks161
Service Tanks161
Centrifugal Fuel Oil Separators161
Pressurised Fuel Oil System163
Fuel Oil Specification163
Fuel Oil Viscosity-Temperature Dependency164
Fuel Oil Viscosity-Temperature Diagram164
Air Supply System165
Capacities of Air Compressor and Receiver166
System Specification166
Starting Air Compressors166
Starting Air Receivers166
Control Air167
Service and Working Air167
Leakage Collection System and Washing Devices168
Sludge Oil Trap Solutions168
General Description of the Sludge Oil Trap168
Solution 1: a Constantly-Drained Sludge Oil Trap with Separate Sludge Accumulation168
Solution 2: a Manually Bottom-Drained Sludge Oil Trap170
Design Proposal of Wingd's Sludge Oil Trap170
Design Proposal of a Manually Bottom-Drained Sludge Oil Trap171
Solution 3: an Automatically Bottom-Drained Sludge Oil Trap172
Design Proposal of an Automatically Bottom-Drained Sludge Oil Trap173
Draining of Exhaust Uptakes174
Air Vents174
The Icer Drainage System175
Arrangement of the Icer Drainage System for Installations Which Exclusively Run in Gas Mode175
Arrangement of the Icer Drainage System for Installations Which Include Icer Diesel Tier III Mode Operation176
The Icer Drainage System for Installations with Only Gas Mode176
The Icer Drainage System for Installations with Gas and Diesel177
The Icer Drainage System with Two Separate Water Treatment Units178
Exhaust Gas System180
The Icer Exhaust Gas System181
Example of an Exhaust Gas Piping Arrangement with One183
Example of an Exhaust Gas Piping Arrangement with Two183
Engine Room Ventilation184
Ventilation Requirements184
Ventilation Arrangement185
Arrangement 1 - Engine Room Ventilation System185
Arrangement 2 - Direct Engine Ventilation System185
Ventilation System Arrangement 1 - Engine Room Ventilation186
Ventilation System Arrangement 2 - Direct Engine Ventilation187
Air Intake Quality188
Outside Ambient Air Temperature190
Piping191
Pipe Connections191
Fluid Velocities and Flow Rates191
PTO, PTI, PTH and Primary Generator Applications192
Requirements192
Arrangements for PTO, PTI, PTH and Primary Generator192
Arrangements for PTO, PTI, PTH193
Application Constraints194
Service Conditions196
Speed196
Engine Automation199
Denis199
Engine Automation Architecture199
DENIS Concept200
Interface Definition200
Approved Propulsion Control Systems200
Engine Management and Automation Concept200
DENIS Specification201
DENIS Interface Specification201
DENIS Propulsion Control Specification201
Propulsion Control Systems202
Suppliers of Remote Control Systems202
Remote Control System202
Functions of the Propulsion Control System204
Remote Control System204
Safety System204
Telegraph System204
Local Manual Control204
ECR Manual Control Panel204
Options205
Propulsion Control205
Recommended Manoeuvring Characteristics206
Recommended Manoeuvring Steps and Warm-Up Times for FPP207
Full Sea Load Steps in FPP Load-Up Program207
Recommended Manoeuvring Steps and Warm-Up Times for CPP208
Full Sea Load Steps in CPP Load-Up Program208
Alarm and Monitoring System209
Integrated Solution209
Split Solution209
Alarm Sensors and Safety Functions210
Signal Processing210
Requirements of Wingd and Classification Societies210
Additional Class Requirements for Alarm Sensors and Safety210
Wingd Integrated Digital Expert (Wide)211
Data Collection211
The Wide Data Collection and Analysis Process211
Engine Diagnostic Module212
The Wide Installation Process213
Engine Dynamics214
External Mass Forces and Moments215
Balancing of Mass Forces and Moments215
Countermeasures for Second Order Vertical Mass Moments216
Integrated Electrical Balancer (Ielba)216
Major Components and Details of the Ielba216
Electrically-Driven Compensator (External Compensator)217
Locating an Electrically-Driven Compensator217
Power Related Unbalance218
External Lateral Forces and Moments219
Forces through the Engine219
Lateral Vibration Types220
H-Type Vibration220
X-Type Vibration220
Lateral Vibration - X-Type and H-Type220
Reduction of Lateral Vibration221
Lateral Stays221
Lateral Stays Shifting the Resonance Frequency above Nominal221
General Arrangement of Hydraulic Type Stays for One-Side222
General Arrangement of Hydraulic Type Stays for Both-Side222
Determining the Minimum Number of Required Lateral Stays223
Twin-Engine Installations with Two Standard Engines224
Engine Stays Arrangement on the Exhaust Side225
Engine Stays Arrangement on the Engine's Fuel Side225
Electrically-Driven Compensator226
Engine Stays Arrangement on both Engine Sides226
Longitudinal Vibration (Pitching)227
Reduction of Longitudinal Vibration (5-Cylinder Engines)227
Torsional Vibration229
Reduction of Torsional Vibration229
Low-Energy Vibrations230
High-Energy Vibrations230
PTO/PTI Systems Effect on Torsional Vibration231
Axial Vibration232
Reduction of Axial Vibration232
Whirling Vibration233
Hull Vibration234
Countermeasures for Dynamic Effects235
External Mass Moments and Vibrations235
Countermeasures for External Mass Moments235
Countermeasures for Lateral and Longitudinal Vibrations235
Countermeasures for Torsional and Axial Vibrations of the Shafting235
Synchro-Phasing System in Twin Engines236
Concept236
Resulting Vibration from SPS Combinations236
Components and Control237
Synchro-Phasing System237
Operating Modes and Restrictions238
Order Forms for Vibration Calculation & Simulation239
Engine Emissions240
Exhaust Gas Emissions240
Emissions Comparison between X-DF2.0, X-DF and Diesel Engines240
Regulation and Calculation Criteria for Nox Emissions242
Regulation and Calculation Criteria for Sox Emissions242
Regulation and Calculation Criteria for CO2 Emissions242
Operation243
PM Emissions244
Icer Diesel Tier III Mode244
Engine Noise245
Air-Borne Noise245
Exhaust Noise247
Exhaust Noise Reference Point247
Sound Pressure Level at Funnel Top of Exhaust Gas System248
Structure-Borne Noise249
Structure-Borne Noise Level at Engine Feet Vertical249
Engine Dispatch250
Engines to be Transported as Part Assemblies250
Protection of Disassembled Engines250
Removal of Rust Preventing Oils after Transport250
Internal Parts250
External Parts250
Appendix251
Classification Societies251
List of Classification Societies251
List of Acronyms252
Dimensions for Internal Combustion Engines255
Dimensions255
Approximate Conversion Factors257
Conversion Factors257

WinGD X62DF-S2.0 - Page 119

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