SCR system for two-stroke marine diesel enginesSCR system for two-stroke marine diesel engines Hitachi Zosen Corporation

SCR system for two-stroke marine diesel engines

Hitachi Zosen Corporation

Copyright © 2013 Hitachi Zosen Corporation. All rights reserved.

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Tier III SCR, April 2013Copyright © 2013 Hitachi Zosen Corporation. All rights reserved.

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Tier III SCR, April 2013

Topics

1.Company Outline

2.New Product ~Hitz Green SCR~

3.Update of Hitz Green SCR


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1. Company Outline


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Company Outline

• Date of founding April 1, 1881 (134 years)

• Headquarter Osaka, Japan

• Number of employees 9,039

• Main business Environmental systemMarine diesel engine


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2. New Product~Hitz Green SCR~


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Hitz + MAN = Total solution for marine SCR system

Development Agreement in 2009


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IMO Nox Regulation

• Tier 1: low-Nox atomizer、fuel injection retard,,,• Tier 2: Miller cycle,,,

• Tier 3: SCR・EGR・Water in cylinder etc

NOx limit - MARPOL Annex VI, Reg 13

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2

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0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200

Engine speed rpm

NOx lim

it g/kW

h

Tier 1 (Global, 2000)Tier 2 (Global, 2011)Tier 3 (ECA, 2016)

15-22% reduction

80% reduction


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Emission Control Areas (ECAs)

Nox ECA ： North America and United states Caribbean Sea

Future Nox ECA： Baltic sea and North sea


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Hitz High Pressure SCR

Vaporizer

Reactor

Turbine


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3. Update of Hitz Green SCR


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Approved SCR Supplier

2014 Oct. Approved.


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Duct Arrangement for SCR for Multi-TC Engine


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SCR Line up


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Thank you for your attention!

Documents

SCR system for two-stroke marine diesel enginesSCR system for two-stroke marine diesel engines Hitachi Zosen Corporation