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Fuel supply device and method for operating the fuel supply device

A fuel supply and fuel technology, applied in the direction of adding non-fuel substances, liquid fuel feeders, mechanical equipment, etc. to fuel, can solve problems such as long time

Inactive Publication Date: 2017-04-26
MAN ENERGY SOLUTIONS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, in order to be able to comply with the emission regulations in the SECA area, it takes a relatively long time until the heavy oil fuel is replaced to a sufficient extent by the distillate fuel in the booster cycle system

Method used

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  • Fuel supply device and method for operating the fuel supply device

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Embodiment Construction

[0056] The invention here relates to a fuel supply system for at least one marine diesel internal combustion engine of a ship and a method for operating such a fuel supply system.

[0057] figure 1 A schematic representation of a fuel supply system 1 is shown, which is used in the exemplary embodiment shown for the fuel supply of two marine diesel internal combustion engines 2 and 3 . Unlike the shown embodiment, the fuel supply device 1 can also supply fuel to only one marine diesel internal combustion engine or more than two marine diesel internal combustion engines.

[0058] The fuel supply device 1 includes a feeder fuel circulation system 4 and a booster fuel circulation system 5 .

[0059] The feeder fuel circuit 4 has a first pump arrangement 6 which, in the exemplary embodiment shown, is formed by two fuel pumps 7 and 8 connected in parallel. In the exemplary embodiment shown, each of the two pumps 7 and 8 is located upstream of the shutoff valve 9 or 10 . It should...

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Abstract

The invention relates to a fuel supply installation and a method for operating the fuel supply installation, in particular to a fuel supply installation with a feeder fuel circulation system by means of which fuel can be fed starting from a fuel tank via a first pump device delivery towards the mixing tank; and a booster fuel circulation system by means of which the fuel can be delivered starting from the mixing tank towards the marine diesel internal combustion engine via the second pump device, wherein, in normal operating mode, the first pump device starts at the first The delivery volume flow draws fuel from the fuel tank, conveys the first sub-delivery volume flow towards the mixing tank and circulates the second sub-delivery volume flow in the feeder fuel circulation system, wherein, in normal operating mode, the second pump The device draws fuel from the mixing tank with a second delivery volume flow, delivers it to the marine diesel internal combustion engine, and returns unburned fuel to the mixing tank. The first pump device is designed to suck in the second fuel with the third delivery volume flow starting from the second fuel tank in the switching mode of operation.

Description

technical field [0001] The invention relates to a fuel supply arrangement for at least one marine diesel internal combustion engine. Furthermore, the invention relates to a method for operating such a fuel supply system. Background technique [0002] It is known from practice that marine diesel internal combustion engines can be operated with different fuel types. It is thus possible, for example, to operate a marine diesel internal combustion engine on the one hand with heavy oil fuel and, on the other hand, with distillate fuel. Heavy oil fuel, although cost-effective, causes relatively high fuel emissions due to its very high sulfur content. Distillate fuels result in lower exhaust emissions, but are more expensive. On the high seas, marine diesel internal combustion engines are run on heavy oil fuel for cost reasons. However, if the ship is to operate near the coast in the so-called SECA (Sulfur Emission Control Area, Sulfur Emission Control Area), then for reasons o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D19/06F02M37/04F02M43/00
CPCF02M37/0023F02M37/0064F02M37/0088F02M43/00F02D19/00F02M25/08
Inventor A.科佩尔A.弗兰克B.佩克尔
Owner MAN ENERGY SOLUTIONS SA