Dust Discharge Valve Blast Furnace...

Dust Discharge Valve

Blast Furnace Plants

Gritzko® II

Gritzko® II Dust Discharge Valve

1 Main valve body

2 Cylindrical gate

3 Drive unit

4 DN250 top flange

5 DN500 bottom flange

6 Maintenance door

7 Angular position transmitter

8 Inflatable seal

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2

4

5

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The Paul Wurth GRITZKO II Dust Discharge Control Valve is based on the proven pulverised coal control valve, adapted for use in the blast furnace dust extrac-tion system.

The GRITZKO II valve provides precise control of dust discharge with the added benefit of eliminating the need for an additional gas seal valve. It can be installed below dustcatchers employing either axial or tangential cyclones.

Benefits ` Best safety

` High reliability

` Long lifetime of wear elements

` Simple, efficient maintenance

` Minimal build-height

Blast Furnace Plants

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6

Key features ` Inflatable seal ensures gas tightness against unintended emissions

` Cylindrical gate ensures precise flow control

` Reliable closing even with debris blocking the flow channel

` Large maintenance opening in main valve body

` Cartridge-style bearing housings

` Optional counterweight device is available to provide self-closing to protect against hydraulic failure

` Valve connection: DN250 top flange, DN500 bottom flange with a total building height of 500mm.

The GRITZKO mark II valve sets a new standard for operational safety.

Since the 1990’s over 100 GRITZKO valves have been delivered worldwide.

Gritzko II Dust Discharge Valve

The Paul Wurth Group is today one of the world leaders in the design and supply of complete plants, systems and processes as well as specialised mechanical equipment for

the iron & steel industry: Blast Furnaces & Auxiliary PlantsCoke Making PlantsAgglomeration Plants Direct Reduction PlantsEnvironmental Protection, Recycling & Energy-Saving Technologies

other industries:Systems & Equipment for Non-Ferrous Pyrometallurgy, Electrometallurgy & Residue TreatmentIntralogistics Solutions for Heavy LoadsEngineering & Project Management for Civil Construction and Infrastructure Projects

Feasibility Studies – Conceptual, Basic and Detail Engineering – Project Management – Plant and Components Supply – Turnkey Projects – Assistance in Plant Assembly and Commissioning – Technology and Operations Consultancy – On-site and Remote Operational Assistance – After-sales Services

Engineering & Technology worldwide

Paul Wurth S.A.32, rue d’AlsaceL-1122 LuxembourgPhone: (+352) 4970-1paulwurth@paulwurth.comwww.paulwurth.com

Group members:

EUROPE

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Paul Wurth International Site ServicesLuxembourg, LUXEMBOURGPhone: (+352) 4970 2000pwis@is.paulwurth.com

CTI Systems S.A.Lentzweiler, LUXEMBOURGPhone: (+352) 2685 2000cti@ctisystems.com • www.ctisystems.com

Joint company ofDango & Dienenthal and Paul Wurth:

TMT - Tapping Measuring TechnologySiegen, GERMANYPhone: (+49) 271 4014 0

Luxembourg, LUXEMBOURGPhone: (+352) 261920 0contact@tmt.com • www.tmt.com

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AFRICA

Paul Wurth International S.A.South Africa BranchJohannesburg, SOUTH AFRICAPhone: (+27) 11 794 1926pwza@paulwurth.com

VCA**CER

TIFIED SAFETY SYSTEM

VINCOTTE

ISO 9001ISO 14001

BUREAU VERITASCertification

N° BXL 05000141 / N° BEL BXL 153669

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Non Contractual Data: Paul Wurth believes that the data contained in this folder are correct and accurate, but cannot guarantee same or better performances for any specific site without a detailed quote. Patents and Patents pending. — Paul Wurth equipment and processes are protected in many countries by patents.

Paul Wurth, the Paul Wurth Logo and Gritzko are trademarks of Paul Wurth S.A. and may be registered in your jurisdiction.