CPT International 04/2014


The leading technical journal for the
global foundry industry – Das führende Fachmagazin für die
weltweite Gießerei-Industrie


Hot-blast cupola at Luitpoldhütte in Amberg. The installed SIP plant provides numerous advantages (Photos +

Graphics: Luitpoldhütte)

Authors: Dipl.-Ing. Hans-Heinrich Heldt, ThyssenKrupp AT.PRO tec GmbH, Essen, and Christian Ilgner, Luitpoldhütte

AG, Amberg

Employment of the Sequence Impulse

Process in cupola operation

In order to take advantage of the technological and economic advantages of the Sequence Impulse

Process (SIP), which include savings on energy, uniform gas penetration over the complete

furnace cross-section and shorter heat-up times, Luitpoldhütte in Amberg, Germany, has installed

a SIP plant to serve its hot-blast cupola. The operating results have been encouraging

Luitpoldhütte AG in Amberg, Germany,

is a foundry operating worldwide

and producing complex, core-intensive

castings. The castings are used in

agricultural machinery, the truck and

off-highway industry as well as refrigeration

equipment. Luitpoldhütte sees

itself as a development and project

partner for its customers and is wellknown

for its first-class quality and

comprehensive service [1].

ThyssenKrupp AT.PRO tec GmbH

offers technology for optimizing the

melting process in shaft furnaces used

in the metallurgical industry. The company,

which is based in Essen, Germany,

developed and patented the Sequence

Impulse Process (SIP), which

feeds technical gases, especially oxygen,

in pulsed sequences to the melting

zone [2].

10 Casting Plant & Technology 4/2014

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