| Patents for C21B 3 - General features in the manufacture of pig-iron (3,260) |
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| 06/07/2001 | WO2001040523A1 Apparatus and process to extract heat and to solidify molten material particles |
| 06/05/2001 | US6241797 Process for reducing oxidic slags |
| 06/05/2001 | CA2140262C Treatment of polyvinylchloride |
| 05/17/2001 | DE19928222A1 Production of granules made of melt comprises inserting mixture of melt and water into chamber, blocking chamber and continuously introducing mixture into jet mill while maintaining chamber pressure |
| 05/09/2001 | EP1097245A1 Method for wet granulation of liquid-slag |
| 05/09/2001 | EP0754245B1 Method of manufacturing pig iron or steel and cement clinker from slags |
| 05/03/2001 | WO2001031073A1 A process and apparatus for the removal of a contaminant from slag |
| 05/03/2001 | WO2001031068A1 Method for treating slag derived from steel production |
| 05/03/2001 | CA2388458A1 A process and apparatus for the removal of a contaminant from slag |
| 04/19/2001 | WO2001026794A1 Method relating to granulation and apparatus therefor |
| 04/11/2001 | CN1291175A Method and device for preventing consolidation of blast furnace granule slag |
| 04/04/2001 | CN1289732A Combined system for processing superfine steel slag powder |
| 03/28/2001 | EP0848655B1 The production of metal lumps |
| 03/20/2001 | CA2132733C Process for producing pig iron and cement clinker |
| 03/14/2001 | EP1083236A1 Process and system for the dry cooling of metallurgical slags with heat recovery |
| 03/08/2001 | WO2001016382A1 Device for granulating and comminuting liquid slag or foamed slag |
| 03/07/2001 | EP1080234A1 Method for granulating and reducing liquid slag and device for carrying out this method |
| 03/06/2001 | US6197250 Telescopic dross pot |
| 03/06/2001 | US6196479 By passing into the slag a coal slurry, and converting coal into carbon monoxide and hydrogen gas while forming slag droplets and reducing and cooling slag; separating metal dust, slag dust and clinker dust; prevents explosions |
| 02/27/2001 | US6193503 Ash melting furnace and ash melting method thereof |
| 02/21/2001 | CN2420289Y Pellitizing device for blast furnace slag |
| 02/21/2001 | CN2420277Y Multipoint jet cooling pellitizing device |
| 02/20/2001 | US6189818 Process for stabilizing and reusing ladle slag |
| 02/15/2001 | DE19932334C1 Smelting residual materials in a vertical furnace comprises operating the furnace with a hot wind and a combined oxygen injection/enrichment of the wind, and adjusting the heat profile in the furnace |
| 02/07/2001 | CN1282795A Slag processing apparatus |
| 01/31/2001 | CN1061380C Method and apparatus for producing synthetic blast-furnace slag and pig-iron alloys |
| 01/24/2001 | EP1070146A1 Method for withdrawing slag from a combustion chamber and device for carrying out said method |
| 01/23/2001 | CA2146732C Process for producing an iron melt |
| 01/18/2001 | WO2001004363A1 Method for comminuting bulk material or a granulate and a device for carrying out said method |
| 01/18/2001 | WO2001004064A1 Process for casting and forming slag products |
| 01/18/2001 | DE19932382A1 Production of a foamed slag used as a building insulating material comprises forming a liquid slag in a melting furnace, removing as a stream, and spraying with a high speed gas |
| 01/17/2001 | EP1068363A1 Method and device for granulating and fragmenting liquid slags |
| 01/17/2001 | CN1060818C Process for producing hydraulic binder rough steel, metal and/or alloy, e.g. ferrochromium or ferrovanadium |
| 01/14/2001 | CA2277688A1 Process for stabilizing and reusing ladle slag |
| 01/09/2001 | CA2195922C Briquette as an additive for metallurgic purposes comprising silicon-containing residues, and process for its production |
| 12/20/2000 | EP1060043A1 System and method for the continuous solidification and/or granulation of molten materials with heat pipe drums |
| 12/14/2000 | WO2000075385A1 Method for conditioning slag with the addition of metallurgical residual materials and an installation for the same |
| 11/29/2000 | CN2408123Y Slag pilletizer |
| 11/28/2000 | US6153146 Molten metal receptacle and slag control body transfer apparatus therefor |
| 11/28/2000 | US6152050 Lightweight compact waste treatment furnace |
| 11/22/2000 | EP0815272B1 Method of producing pig iron, alloys of ferrous metal and/or nonferrous metal with synthetic blast furnace slag from residues of incinerated waste and steelworks slag |
| 11/16/2000 | WO2000068439A1 Method for reducing and granulating slag and a device for carrying out this method |
| 11/15/2000 | EP1051238A1 Method for granulating a liquid slag bath and device for carrying out the method |
| 11/15/2000 | CN1058526C Metallurgical slag granulator |
| 10/25/2000 | CN2402687Y Slag granulating cooler |
| 10/24/2000 | CA2031702C Apparatus for dewatering slag sand |
| 10/19/2000 | WO2000061820A1 Method of reducing slags in size and device for carrying out said method |
| 10/19/2000 | CA2365938A1 Method of reducing slags in size and device for carrying out said method |
| 10/03/2000 | CA2132090C Process for producing cement from metallurgical slag |
| 09/19/2000 | US6120577 Separating and recovering iron, zinc and lead from steel plant waste oxides, comprising mixing waste oxides and sludge which contains iron zinc and lead, adding coke particles, briquetting the mixture, firing to reduce iron oxide to iron |
| 09/13/2000 | EP1034313A1 Device and process system for preheating steel scrap |
| 08/31/2000 | WO2000050647A1 Method for granulating and reducing liquid slag and device for carrying out this method |
| 08/31/2000 | CA2330126A1 Method for granulating and reducing liquid slag and device for carrying out this method |
| 08/23/2000 | EP1029093A1 Method for reprocessing steel slags and ferriferous materials |
| 08/23/2000 | CN2392783Y Slag-flushing nozzle for blast furnace |
| 08/17/2000 | WO2000047779A1 Method for withdrawing slag from a combustion chamber and device for carrying out said method |
| 08/17/2000 | WO2000047316A1 Installation for aqueous granulation |
| 08/15/2000 | CA2174563C Recovery of steel plant revert materials through cementitious agglomeration |
| 08/09/2000 | CN2390890Y Changable slag receptacle chute for drum apparatus |
| 08/09/2000 | CN1262733A Ash melting furnace and ash melting method thereof |
| 08/03/2000 | WO2000044942A1 Method and device for granulating and fragmenting liquid slags |
| 07/26/2000 | EP0804620B1 Slag granulation |
| 07/19/2000 | EP0988256A4 Apparatus for and process of water granulating matte or slag |
| 07/19/2000 | CN2388210Y Disk dewatering blast furnace slag granulating device |
| 07/19/2000 | CN2388209Y Slag dragging roller |
| 07/19/2000 | CN1260768A Process for making expanded slag |
| 07/12/2000 | EP1017646A1 Method for crushing and reducing slag containing metal oxide |
| 07/12/2000 | EP0842302B1 Slag treatment |
| 07/12/2000 | CN2387119Y Separating blast furnace slag granulating device |
| 07/05/2000 | CN1259108A Apparatus for and process of water granulating matte or slag |
| 07/04/2000 | US6082640 Method for granulating and grinding molten material and device for carrying out said method |
| 06/28/2000 | CN1257932A Dual-cavity drum apparatus for treating steel slags |
| 06/14/2000 | EP1007744A1 Method for desiliconizing pig iron before refining it to steel |
| 06/08/2000 | WO2000032306A1 Method for granulating a liquid slag bath and device for carrying out the method |
| 06/02/2000 | WO2000030989A1 Method for crushing and granulating slag |
| 05/24/2000 | CN1253921A Agglomeration method of steel slag |
| 05/17/2000 | EP1001038A1 Process for granulating liquid slag |
| 05/17/2000 | CN2378397Y Self-dividing slag pan |
| 05/09/2000 | US6059854 Process for processing waste incineration residues |
| 04/25/2000 | US6053958 Process for preparation of fertilizer containing slag |
| 04/19/2000 | EP0994196A1 Method of solidifying steel-making slag and material produced by the method |
| 04/12/2000 | CN2373454Y Combined main channel slag pushing-off plate |
| 04/05/2000 | EP0990847A1 Ash melting furnace and ash melting method thereof |
| 03/29/2000 | EP0988259A1 Process for making expanded slag |
| 03/29/2000 | EP0988256A1 Apparatus for and process of water granulating matte or slag |
| 03/23/2000 | WO2000015855A1 Method for reprocessing steel slags and ferriferous materials |
| 03/23/2000 | CA2310044A1 Method for reprocessing steel slags and ferriferous materials |
| 03/14/2000 | US6036914 Dumping bay with fume collecting provisions |
| 03/01/2000 | CN2366419Y Equipment for granulation of slag |
| 02/24/2000 | WO2000009766A1 Method for the thermal processing of residues containing heavy metals and iron oxide |
| 02/24/2000 | CA2336964A1 Method for the thermal processing of residues containing heavy metals and iron oxide |
| 02/16/2000 | CN2364051Y Slag granulating device for converter steelmaking |
| 02/10/2000 | WO2000006417A1 Device and vehicle for moving a container, notably a heavy metallurgical vessel |
| 02/10/2000 | DE19835513C1 Method and apparatus for treating slag which is not yet solidified, with a treatment substance fed into the slag by means of a filled wire which is perforated directly before its entry into the slag |
| 02/02/2000 | EP0976843A1 Treatment of steel plant waste metal oxides by firing the same in the form of coke containing briquettes |
| 02/02/2000 | EP0975812A1 Method for granulating and grinding liquid slag and device for realising the same |
| 01/27/2000 | DE19840687A1 Vehicle-mounted handling device for heavy slag or liquid metal containers |
| 01/13/2000 | WO2000001852A1 Method for treating slag and flue dust, in particular for electric steel production furnace |
| 01/12/2000 | EP0757666B1 Metallurgical furnace vacuum slag removal |
| 01/06/2000 | WO2000000649A1 Method for wet granulation of liquid-slag |