Method for the pretreatment of a lumpy carbon carrier
CA 1329482 C · Owner: Hauk, Rolf · Inventors: Hauk, Rolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method for the pretreatment of a lumpy carbon carrier Suggested is a method of pretreatment of a lumpy carbon carrier suitable for forming a fluidized bed and a solid bed used in the production of pig iron fron iron ore. The ore is pre-reduced in one or a plurality of reduction plants and the thus produced iron sponge is subsequently fused in a melt-down gasifier with the help of the lumpy carbon carrier and an oxygen-containing gas and is final reduced. Thereby the carbon carrier is fed into the upper part and the oxygen-containing gas is fed in to the lower part of the melt-down gasifier. These materials form together with the iron sponge, a fluidized bed in the melt-down gasifier. Below …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 17, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.