WinGD X72DF - Page 18

Marine Installation Manual 2021-08 x
List of Figures
X72DF
4-4 LT cooling water circuit — Dual set-point temperatures . . . . . . . . . . . . 4-6
4-5 Separate SAC and LT cooling circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
4-6 HT cooling water circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
4-7 Pre-heating power requirement per cylinder. . . . . . . . . . . . . . . . . . . . . . 4-14
4-8 Lubricating oil system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
4-9 The iCAT changeover unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
4-10 Dual cylinder lubricating oil installation with iCAT as an optional
application, enabling independent gas and liquid fuel (maximum
0.50% sulphur m/m) operation with automatic iCAT changeover. . . . . 4-22
4-11 Dual cylinder lubricating oil installation without iCAT, enabling
independent gas and liquid fuel (maximum 0.50% sulphur m/m)
operation with a manual changeover valve. . . . . . . . . . . . . . . . . . . . . . . 4-23
4-12 Cylinder lubricating oil system for fuel with ultra low sulphur
content (maximum 0.10% sulphur m/m) or alternatively, a single
grade cylinder lubricating oil is applied for fuel with very low
sulphur content (maximum 0.50% sulphur m/m) . . . . . . . . . . . . . . . . . . 4-24
4-13 Trace heating cable arrangement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25
4-14 Dimensioning and filling process of lubricating oil drain tank . . . . . . . 4-28
4-15 Arrangement of vertical lubricating oil drains for 6-cylinder engines . 4-29
4-16 Lean burn with pilot ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35
4-17 Lean-burn operation window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35
4-18 Maximum achievable power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37
4-19 Section view of an integrated membrane tank . . . . . . . . . . . . . . . . . . . . 4-39
4-20 Section view of a free-standing Type A tank. . . . . . . . . . . . . . . . . . . . . . 4-39
4-21 Section view of a free-standing Type B tank of moss design . . . . . . . . 4-40
4-22 Section view of different free-standing Type C tanks installed below
the deck. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
4-23 Type C tank on the deck of a vessel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41
4-24 Pressurised Type C tank solution with NBOG handling by the
gensets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-43
4-25 Pressurised Type C tank solution with NBOG handling by the
gensets and the main engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44
4-26 Non-pressurised tank solution, drawn for an LNGC . . . . . . . . . . . . . . . 4-44