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June
2005 |
Wheeling-Pittsburgh
Steel, Mingo Junction Plant: Revitalized With a New Continuous
Steelmaking Process
Norman L. Samways, Ph.D.,
technical consultant, Pittsburgh, Pa.
The world’s largest Consteel® furnace, installed at
Wheeling-Pittsburgh Steel’s Mingo Junction plant, demonstrates
the flexibility of the Consteel process. The furnace installation,
design characteristics,
production and benefits are reviewed. |
Coal
Flow Aids Reduce Coke Plant Operating Costs and Improve Production
Rates
Ron A. Bedard, manager
— Stelco Integrated Cokemaking, Stelco Inc., Nanticoke,
Ont., Canada (ron.bedard@stelco.ca); David J. Bradacs, account
representative, GE Infrastructure Water & Process Technologies,
Simcoe, Ont. Canada (david.bradacs@ge.com); Robin W. Kluck,
senior technical advisor — primary metals industries,
and D. Casey Roe, engineering manager — mining and primary
metals, GE Infrastructure Water & Process Technologies,
Trevose, Pa. (robin.kluck@ge.com, donald.roe@ge.com); and
Ben P. Ventresca, account representative, GE Infrastructure
Water & Process Technologies, Stoney Creek, Ont., Canada
(ben.ventresca@ge.com)
Chemical
coal flow aids can provide many benefits to coke plants, including
improved production rates, reduced maintenance and lower cleaning
costs. This article discusses the mechanisms by which coal
flow aids function and analyzes several successful case histories. |
Resolving
Overhead Crane Skew Problems — A Simplified, Field-proven
Approach
Thomas C. Lindstrum, product manager,
Morris Material Handling – P&H, Oak Creek, Wis. (tlindstrum@morriscranes.com
This article reviews the mechanical problems and related causes
of crane skewing. A simplified approach to the overall problem
is discussed, along with methods that have been used to successfully
and economically resolve it. Various crane wheel designs and
bridge drive arrangements are compared. |
DC-to-DC
Technology Changing Paradigms
Robert K. Borgman,
regional product manager — drives and crane products,
Eaton Electrical, Grove City, Ohio (robertkborgman@eaton.com),
and Michael A. Urbassik, product line manager — crane
products, Eaton Electrical, Milwaukee, Wis. (michaelaurbassik@eaton.com)
New
technology often requires paradigm shifting, which many are
reluctant to undergo. This paper discusses some of the paradigm
changes caused by the implementation of new DC-to-DC technology
as applied to electric overhead cranes.
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Strip Slab
Inventory Management System
Kenneth L. Reitmeyer (left), information
specialist, EDS – Mid Atlantic Solution Center, Bethlehem,
Pa. (kenneth.reitmeyer@eds.com), and Arthur J. Hamm (right),
quality improvement engineer, ISG Sparrows Point Inc., Sparrows
Point, Md. (ahamm@intlsteel.com)
The
strip slab inventory management system is a fully integrated
inventory management system from order entry to slab application
and hot mill scheduling. The system not only helps in completing
customer orders, but it also minimizes slab hauler moves and
minimizes overgrading of steel.
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Weigh
Measure Stencil Systems for Tube Mills
David L. Anderson, project
manager, InfoSight Corp., Chillicothe, Ohio (dla@infosight.com)
Weigh
Measure Stencil systems provide clear identification of tubes
for both the manufacturer and the end-user. Various WMS floor
geometries are discussed, along with their advantages, disadvantages
and cost ramifications. Optional methods of applying bar codes
to tubes are also discussed.
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