The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 2007
Filed:
May. 29, 2002
Günter Schrey, Linz, AT;
Parviz Zahedi, Asten, AT;
Günter Schrey, Linz, AT;
Parviz Zahedi, Asten, AT;
Abstract
In a method for the production of liquid metal, in particular liquid pig iron () or liquid steel pre-products, from metal carriers, in particular partially reduced or reduced sponge iron (), in a melter gasifier () in which with supply of a carbon-containing material at least partially formed of fine coal () and coal dust () and with supply of oxygen or oxygen-containing gas the metal carriers are melted in a bed () of the carbon-containing material at the simultaneous formation of a reducing gas, optionally upon previous final reduction, fine coal () and coal dust () which are being charged, are mixed with bitumen () in the hot state, after undergoing a drying operation, and subsequently are cold-briquetted, and the briquettes () thus formed are charged to the melter gasifier () in the cold state and in the melter gasifier () are subjected to shock-heating.