| Patents for F27B 1 - Shaft or like vertical or substantially vertical furnaces (4,707) |
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| 03/07/2001 | CN2422604Y Self-absorbing circulating hot-air furnace |
| 03/07/2001 | CN2422603Y Vertical kiln for producing cement |
| 03/01/2001 | WO2001014598A1 Direct reduced iron discharge system |
| 02/28/2001 | CN1285498A Cooling element |
| 02/22/2001 | DE19939305A1 Operating an oxygen-starved shaft furnace used in the production of metals comprises heat exchanging a partial stream of the oxygen introduced to the furnace with a partial stream of a gas mixture containing oxygen |
| 02/22/2001 | DE19939229A1 Kühlelement Cooling element |
| 02/22/2001 | DE19938917A1 Kühlplatte Cooling plate |
| 02/21/2001 | EP1077358A1 Cooling element |
| 02/21/2001 | EP1077357A1 Cooling element |
| 02/13/2001 | US6187258 Feeding metallic charge materials, alloy elements and energy carriers in upper part of furnace shaft, oxidizing agent in lower part, feeding filler alloy elements, metal chips, sands, carbon, dusts and oxygen at high speed into melting zone |
| 02/07/2001 | CN1061755C Multi-stage cyclone generator |
| 02/07/2001 | CN1061636C Wet collecting and dry exhausting method for dust removal of flue gas of vertical cement kiln |
| 01/24/2001 | CN1061138C Wet method combined dust collector for cement vertical kiln |
| 01/23/2001 | US6178192 Raw material heating apparatus |
| 01/17/2001 | CN2415037Y Chain transmission blast-furnace top chute distributor |
| 01/16/2001 | US6174346 Duplex procedure for the production of metals and metal alloys from oxidic metal ores |
| 01/10/2001 | CN2414369Y Top of cupola furnace |
| 01/10/2001 | CN1279726A Smelting furnace |
| 01/10/2001 | CN1279725A Method for cooling a shaft furnace loading device |
| 01/04/2001 | WO2001000884A1 Feed device for a shaft furnace |
| 01/04/2001 | DE19929180A1 Beschickungsvorrichtung für einen Schachtofen The charging device for a shaft furnace |
| 01/03/2001 | EP1064410A1 Wall structure for a metallurgical vessel and blast furnace provided with a wall structure of this nature |
| 01/03/2001 | CN2413247Y Assembling coal-fired shaft heat-treating furnace |
| 01/03/2001 | CN1278870A Device for withdrawing lumpy material |
| 12/28/2000 | WO2000051946A3 Method for burning lumpy combustion material, especially limestone, dolomite and magnesite, and regenerative shaft furnace for carrying out this method |
| 12/28/2000 | DE19917128C1 Production of crude iron in a blast furnace comprises injecting oxygen at the injection sites through burners, sucking the required partial streams of the contaminated blast furnace gas using a partial vacuum, and burning the gas |
| 12/27/2000 | CN1278305A Withdrawal device for shaft furnace |
| 12/20/2000 | CN2411454Y Direct-burning-type blast-heating cupola |
| 12/12/2000 | US6159428 Structure of gasified and melting furnace |
| 12/06/2000 | CN2409468Y Firing gas furnace for glass lining equipment |
| 12/06/2000 | CN1275543A Cement clinkering process and equipment thereof |
| 12/06/2000 | CN1059240C Duplex procedure for prodn. of metals and metal alloys from oxidic metal ores |
| 12/05/2000 | US6157667 Method and calcining furnace for electric calcining of carbonaceous material |
| 11/29/2000 | CN2408418Y Cupola for once smelting iron filings to cast tinned radiator directly |
| 11/22/2000 | CN2407314Y Well annealing furnace |
| 11/22/2000 | CN2407005Y Energy saving and environment protecting dual discharging apparatus |
| 11/21/2000 | US6149425 Static furnace for the thermal decomposition of solids at high temperatures by thermal radiation |
| 11/15/2000 | CN1058572C Device for inserting lance into pressurized container, in particular a blast furnace |
| 11/09/2000 | WO2000066794A1 Throat closing device for shaft furnaces, especially blast furnaces having a material feeding hopper |
| 11/09/2000 | DE19920002A1 Gichtverschluß für Schachtöfen, insbesondere Hochöfen mit einem Guteinlauftrichter Throat closure for shaft furnaces, particularly blast furnaces with a material feeding hopper |
| 11/09/2000 | CA2370157A1 Throat closing device for shaft furnaces, especially blast furnaces having a material feeding hopper |
| 11/07/2000 | US6144689 Cooling plate for shaft furnaces |
| 11/02/2000 | WO2000065101A1 Method for automatically controlling hydraulic opener |
| 11/01/2000 | CN2404081Y Helix refractory material tube using for supporting heater element |
| 11/01/2000 | CN2403504Y Non-power shaft kiln dust collector |
| 10/18/2000 | CN1057594C Method controlling fuel-air ratios of multi-combustor systems |
| 10/17/2000 | US6132673 Cooling plates for shaft furnaces |
| 10/12/2000 | DE19915575A1 Lower shaft arc oven has electrode connected to inner wall of coaxial shaft pipe via guide elements; top opening of pipe is replaceable part connected via annular plate to electrode |
| 10/11/2000 | CN1269839A Device for producing sponge iron |
| 10/04/2000 | EP1041162A1 Method of constructing a blast furnace body and lifting transfer apparatus |
| 10/04/2000 | CN1268578A Construction method and exchanging apparatus for blast furnaces |
| 10/03/2000 | CA2032391C Apparatus for installing or removing shaft furnace tuyeres of tymps |
| 10/03/2000 | CA2008046C Process for the concentration of dust in a cupola furnace with metal particles |
| 09/27/2000 | EP1038851A1 Process for firing a lumpy, fireble charge expecially limestone, dolomite and magnesite, and a regenerative shaft furnace for carrying out the process |
| 09/20/2000 | CN1056652C Circulating fludized bed furnace for prereduction of fine iron ore |
| 09/13/2000 | EP1035392A2 Shaft furnace operating method |
| 09/13/2000 | EP1035221A2 Burner, shaft furnace and shaft furnace operating method |
| 09/13/2000 | EP1034310A1 Method for cooling a shaft furnace loading device |
| 09/08/2000 | WO2000051946A2 Method for burning lumpy combustion material, especially limestone, dolomite and magnesite, and regenerative shaft furnace for carrying out this method |
| 09/07/2000 | DE19909743A1 Brenner, Schachtofen und Verfahren zum Betreiben eines Schachtofens Burner shaft furnace and method for operating a shaft furnace |
| 09/07/2000 | DE19909742A1 Verfahren zum Betreiben eines Schachtofens A method for operating a shaft furnace |
| 09/06/2000 | EP1032714A1 Electric arc low-shaft smelting furnace with a central tube with telescopic electrodes and a sliding upper receptacle lid |
| 09/05/2000 | US6113387 Method and apparatus for controlling kiln |
| 08/23/2000 | EP1029088A1 Withdrawal device for a shaft furnace |
| 08/23/2000 | EP1029087A1 Device for withdrawing lumpy material |
| 08/23/2000 | EP1029085A1 Probe scanning system and built-in burden material defining sensor |
| 08/23/2000 | CN2393059Y Hot-air iron-bits melting furnace |
| 08/16/2000 | CN1263563A Shaft furnace |
| 08/10/2000 | WO2000046410A1 Blow form for shaft furnaces, especially blast furnaces or hot-blast cupola furnaces |
| 08/10/2000 | DE19963259A1 Blasform für Schachtöfen, insbesondere Hochöfen oder Heißwindkupolöfen Blow mold for shaft furnaces, particularly blast furnaces or hot blast |
| 08/03/2000 | WO2000045090A1 Gasification melting furnace for wastes and gasification melting method |
| 08/02/2000 | CN1055126C Iron containing scrap melting method |
| 07/26/2000 | CN2388991Y Water dust-remover for cement machine vetical kiln |
| 07/25/2000 | US6092300 Process for the operation of a regenerator and regenerator |
| 07/19/2000 | EP1020696A2 Process and device to inject solid particles in a shaft furnace |
| 07/18/2000 | US6090180 Including an orifice ring of restricted diameter above the cupola main afterburners to improve turbulence of the air in upper cupola area, improving combustion of carbon monoxide; real time adjustments assure compliance with emission limits |
| 07/13/2000 | WO2000040762A1 Bell and hopper for shaft furnaces |
| 07/13/2000 | CA2358068A1 Bell and hopper for shaft furnaces |
| 07/12/2000 | EP1017859A1 Device for producing sponge iron |
| 07/11/2000 | US6086653 Smelting-reduction apparatus and method for producing molten pig iron using the smelting reduction apparatus |
| 07/06/2000 | WO2000038496A2 Method for optimising the operation of a tank furnace |
| 06/15/2000 | DE19857306A1 Solid particle injection, especially into a blast furnace tuyere, comprises high pressure gas introduction into a carrier gas to induce high speed particle spiral motion towards a lance outlet |
| 06/15/2000 | DE19856142A1 Querfördervorrichtung für einen stapelbaren Träger, insbesondere für einen vertikalen Durchlaufofen durchlaufende Träger, Verfahren zum Betreiben einer solchen Querfördervorrichtung sowie Träger für eine solche Querfördervorrichtung Transverse conveying device for a stackable carriers, particularly for a vertical continuous furnace passing carrier, method for operating such a cross conveyor and carriers for such a transverse conveyor |
| 06/14/2000 | EP1008824A2 Installation for transversely conveying stackable supports, supports and operating process for such an installation |
| 06/07/2000 | CN2381975Y Industrial electric furnace |
| 05/24/2000 | CN2379765Y Wind supply pipe for water cooling of cupola furnace |
| 05/24/2000 | CN1254081A Neodymium iron boron permanent magnet material intermediate frequency induction furnace smelted crucible knotting method |
| 05/24/2000 | CN1253903A Material distributing equipment with rotary chute capable of changing oblique angle |
| 05/23/2000 | US6065695 Dry and crush treating method using jet burner and treating apparatus therefor |
| 05/17/2000 | EP1001039A1 Rotating chute for distributing loose material with adjustable angle |
| 05/10/2000 | EP0998586A1 Shaft furnace |
| 05/10/2000 | CN2377509Y Spray type water-cooled tuyere blast cupola |
| 05/03/2000 | EP0689614B1 Process for operating a cupola furnace while using briquettes as a slag-forming material |
| 05/03/2000 | CN1252126A Method and calcining furnace for electric calcining of carbonaceous material |
| 05/02/2000 | US6056914 Apparatus for charging a shaft-type cupola furnace |
| 04/26/2000 | CN1051806C Selectively smelting tech. and apparatus for fine particle contamination type primary gold ore |
| 04/25/2000 | US6053962 Scrap melting process |
| 04/19/2000 | CN2374545Y Cement fast burning furnace |
| 04/19/2000 | CN1051577C Cooling plate for shaft furnace |
| 04/13/2000 | WO2000020647A1 Device for dispensing bulk materials |