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[基础知识] 关于船舶燃油的各种分类晕了。

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发表于 2018-12-29 16:49 | 显示全部楼层 |阅读模式
  • MGO (Marine gas oil) - roughly equivalent to No. 2 fuel oil, made from distillate only
  • MDO (Marine diesel oil) - A blend of heavy gasoil that may contain very small amounts of black refinery feed stocks, but has a low viscosity up to 12 cSt so it need not be heated for use in internal combustion engines
  • IFO (Intermediate fuel oil) A blend of gasoil and heavy fuel oil, with less gasoil than marine diesel oil
  • MFO (Marine fuel oil) - same as HFO (just another "naming")
  • HFO (Heavy fuel oil) - Pure or nearly pure residual oil, roughly equivalent to No. 6 fuel oil



  • IFO 380 - Intermediate fuel oil with a maximum viscosity of 380 centistokes (<3.5% sulphur)
  • IFO 180 - Intermediate fuel oil with a maximum viscosity of 180 centistokes (<3.5% sulphur)
  • LS 380  - Low-sulphur (<1.0%) intermediate fuel oil with a maximum viscosity of 380 centistokes
  • LS 180  - Low-sulphur (<1.0%) intermediate fuel oil with a maximum viscosity of 180 centistokes
  • MDO - Marine diesel oil.
  • MGO - Marine gasoil.
  • LSMGO  - Low-sulphur (<0.1%) Marine Gas Oil - The fuel is to be used in EU Ports and Anchorages. EU Sulphur directive 2005/33/EC
  • ULSMGO - Ultra-Low-Sulphur Marine Gas Oil - referred to as Ultra-Low-Sulfur Diesel (sulphur 0.0015% max) in the US and Auto Gas Oil (sulphur 0.001% max) in the EU. Maximum sulphur allowable in US territories and territorial waters (inland, marine and automotive) and in the EU for inland use.
Marine distillate fuels
Parameter
Unit
Limit
DMX
DMA
DMB
DMC
Density at 15 °C
kg/m3
Max
-
890.0
900.0
920.0
Viscosity at 40 °C
mm&sup2;/s
Max
5.5
6.0
11.0
14.0
mm&sup2;/s
Min
1.4
1.5
-
-
Water
% V/V
Max
-
-
0.3
0.3
Sulfur1
% (m/m)
Max
1.0
1.5
2.0
2.0
Aluminium + Silicon2
mg/kg
Max
-
-
-
25
°C
Min
43
60
60
60
Pour point, Summer
°C
Max
-
0
6
6
Pour point, Winter
°C
Max
-
-6
0
0
°C
Max
-16
-
-
-
Calculated Cetane Index
Min
45
40
35
-
Marine residual fuels
Parameter
Unit
Limit
RMA 30
RMB 30
RMD 80
RME 180
RMF 180
RMG 380
RMH 380
RMK 380
RMH 700
RMK 700
Density at 15 °C
kg/m3
Max
960.0
975.0
980.0
991.0
991.0
991.0
991.0
1010.0
991.0
1010.0
Viscosity at 50 °C
mm&sup2;/s
Max
30.0
30.0
80.0
180.0
180.0
380.0
380.0
380.0
700.0
700.0
Water
% V/V
Max
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
Sulfur1
% (m/m)
Max
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
Aluminium + Silicon2
mg/kg
Max
80
80
80
80
80
80
80
80
80
80
°C
Min
60
60
60
60
60
60
60
60
60
60
Pour point, Summer
°C
Max
6
24
30
30
30
30
30
30
30
30
Pour point, Winter
°C
Max
0
24
30
30
30
30
30
30
30
30


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