DSEC is one of the best marine engineering companies in ... Retrofit Solution.pdf · Low Pressure...

DSEC is one of the best marine engineering companies in the world. DSEC provides a total solution of the state-of-the-art on LFS throughout overall design, procurement and supervision services to shipyards and ship owners around the world. DSEC focuses on full compliance with rules and customer’s requirements based on the high-end technology and proven experiences.

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2

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4

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LNG FEED PUMP3

3

Boil-off Gas(BOG) Treatment Technology

■ Fuel Gas Supply System(FGSS) for Four Stroke Main Engine

LC type

Foam insulated type C tank

Tank design pressure : 4 bar g

Submerged fuel gas pump : 7 bar g

Boil-off gas compressor : 7 bar g

LD type

Foam insulated type C tank

Tank design pressure : 7 bar g

Submerged fuel gas pump : 7 bar g

Keep Boil-off gas in fuel tank

BOG COMPRESSOR

BOG HEATER

LP VAPORIZER

FEED PUMP

FOUR-STROKEMAIN ENGINE

LNG Storage Tank(Type C)

LP VAPORIZER

FEED PUMP

FOUR-STROKEMAIN ENGINE


■ Fuel Gas Supply System(FGSS) for Two Stroke Main Engine

HT type

-Foam insulated type C tank

-Tank design pressure : 7 bar g

- Submerged fuel gas pump : 7 bar g

- High pressure pump : 300 bar g

- Boil-off gas to Auxiliary engines or DF Boiler

LX type

- Foam insulated type C tank

- Tank design pressure : 7 bar g


- LP Vaporizer : 16 bar g

- FG Vaporizer

HB type





- Boil-off gas to DF Boiler or GCU

H

FEED PUMP

P PUMP

HP VAPORIZER

FG VAPORIZER

TWO-STROKEMAIN ENGINE

AUXILIARY ENGINES


H

FEED PUMP

P PUMP

HP VAPORIZER

FG VAPORIZER


AUXILIARY ENGINES

PRESSURE CONTROL VALVE

AUXILIARY ENGINES OR DF BOILER


FEED PUMP

LP VAPORIZER

FG VAPORIZER


AUXILIARYENGINES


HG type





- Boil-off gas to Auxiliary engines

FEED PUMP

BOG HEATER

HP PUMP

HP VAPORIZER

FG VAPORIZER


DFBOILER


■ LNG Fuel Storage Tanks

DSEC is able to offer various LNG storage solutions such as type C, B and Membrane.Optimized fuel supply system can be provided for each type of LNG storage solutions.

Various structural and thermal analysis for independent LNG fuel tank.

TYPE B TANKMaterials : Aluminum or *High Mn.

TYPE C TANK MEMBRANE TANK

Materials: SUS304 or 9% Ni, *High Mn

Insulation:Polyurethane foam (PUF) with single shellor Vacuumed Perlite with double shell

* Under Developing

Heat Transfer Analysis Thermal Stress Analysis

Fatigue Analysis

Structural Analysis Buckling Analysis

Reference

■ World First LNG fuelled Containership

■ World First LNG ReadyⅠECO MR Tanker

■ World First LNG ReadyⅢ Con-ro Ship

FGSS (DSME –HiVAR)

MAN DFDG MAN ME-GI Engine

40/45/53 ft Container Hold & On Deck

EEDI(Co2) up to Phase 2

Crew’s Welfare DesignIMO type “C” LNG Tank(Future Installation)

FGS Room(Future Installation)

Best Optimum Hull Form

MAN “G” Type ME

HIMSEN DFDG

L x B x D x T 233.0 x 32.2 x 18.3 m

Deadweight 31,830 MT (at 10.5 M of design/scantling draft)

Speed 22.0 knots

Cargo Capacity 3,100 TEU (Reefer : 266 sockets)

Crusing Range 10,000 NM(LNG 4,000 NM + FO 6,000 NM)

Main Engine MAN D&T 8L70ME-C8.2-GI

L x B x D x T 186.0 x 32.2 x 19.1 m

Deadweight 49,430 MT

Speed 14.5 knots

Cargo Capacity 53,700㎥

Crusing Range 10,200 NM

Main Engine MAN D&T 6G50ME-B9.3

L x B x D x T 265.0 x 34.9 x 21.1 m


Speed 23.0 knots

Cargo Capacity 3,700TEU + 520Auto + 25 trailer

Crusing Range 13,700 NM

Main Engine 6G90ME-C10.5-GIMAN”G”Type ME-GI

MEMBRANE TANKIN NO.5 HOLD(For future installation)

FGSS ROOM

New Developed LFS Line-up

Environmental friendlyNOx Tier III without reduction device

Integrated Automation Systemfor machinery and cargo system

Two(2) sets of IMO type “C” tanks (-163℃)

Dynamic Position System (DP-0)

Bow Thruster

Electric Propulsion System (2 sets of azimuth thruster)

Low Pressure Fuel Gas Supply System

Three(3) sets of Membrane (GTT NO96) tanks (-163℃)

Environmental friendlyIMO Tier III-SCR for ME & GE

4-Stroke DFDG

■ 3.6K LNG Bunkering VesselL x B x D x T 101.3 x 15.6 x 8.8 x 5.1m

Deadweight 2,600 MT

Speed 10.0 knots

Cargo Capacity 3,600 M3

Crusing Range 3,500 NM (LNG 2,000 NM + MGO 1,500 NM)

Propulsion DFDE with Azimuth, fixed pitch propeller

■ 35K LNGCL x B x D x T 175.0 x 28.6 x 17.8 x 8.0/8.3m


Speed 16.0 knots at design draft of 8.0m

Cargo Capacity 35,000 M3

Crusing Range 6,300 NM (MGO)

Propulsion DFDM with 4-Stroke engine

Integrated Automation Systemfor machinery and cargo system

Low Pressure Fuel Gas Supply System

4-Stroke ME & DFDG

Okpo, Korea

Shandong, ChinaIHIOsaka, Japan

Tokyo

Shanghai

Kuala LumpurSingapore

Jakarta

Asia

Based on accumulated extensive engineering experience, DSEC offers the best solutions of total ship & Marine Technology.Furthermore, DSEC continuously develops the design methods and technologies to enable the complex demands posed by the rapidly changing market.

Oversea Branch

NAVANTIAPuerto Real, Spain

ODCOman

Mangalia, Romania

Oslo

LondonAthens

Ecuador

Huston

Rio de janeiro

Europe America

3370, Geoje-daero, Geoje-si, Korea

DSEC is one of the best marine engineering companies in ... Retrofit Solution.pdf · Low Pressure...

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