| Patents for C21B 5 - Making pig-iron in the blast furnace (3,135) |
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| 04/01/1987 | CN85107133A Flux blasting in blast furnace |
| 03/25/1987 | EP0215721A1 Process and device for the repair of an overheated gas conduit lining by a plasma torch |
| 03/24/1987 | US4652725 Method and apparatus for heating a first gas flow with a second gas flow |
| 03/24/1987 | CA1219543A1 Process for the injection of metered amounts of pulverulent materials by pneumatic means into a vessel which is under variable pressure, and the application thereof to a shaft furnace |
| 03/04/1987 | EP0212296A2 Device for pneumatically injecting pulverulent materials into a pressure vessel, and its use in injecting pulverulent coal into a shaft furnace |
| 02/25/1987 | EP0211295A1 Method and apparatus for pneumatically injecting dosed pulverized solid material into a changing-pressure reactor |
| 02/04/1987 | EP0210435A2 Process for cooling and cleaning generator gas and furnace gas, and apparatus for carrying out this process |
| 02/04/1987 | CN86105560A Method of opoerating blast furnace |
| 02/04/1987 | CN86104420A Process for cooling and cleaning producer gas and blast furnace gas and apparatus for performing this process |
| 01/31/1987 | CN85101709A Method and plant for reducing oxidic material while simultaneously generating a gas suitable as fuel gas |
| 01/28/1987 | EP0209880A2 Method of operating blast furnace |
| 01/20/1987 | US4638489 Method and means for use in the installation of plasma generators in shaft furnaces |
| 01/08/1987 | DE3540037A1 Process and apparatus for feeding lime into shaft furnaces |
| 01/07/1987 | EP0207779A2 Direct reduction process using shaft furnace |
| 12/31/1986 | CN86103851A Device for injecting divided solid materials in a furnace such as a smelting blast furnace, and applications |
| 12/17/1986 | EP0201474A1 Distributor for ground or pulverized material, and installation comprising such a distributor |
| 12/17/1986 | EP0201441A1 Apparatus for injecting pulverent material into a furnace, especially a blast furnace, and uses |
| 11/25/1986 | US4624680 Coal-water slurry and method for its preparation |
| 11/19/1986 | CN86102628A Device for injecting pulverulent material, such as coal, in a blast furnace |
| 11/19/1986 | CN86101735A Metallurgical composites and processes |
| 11/12/1986 | EP0200996A1 Method for controlling the charging installation of a shaft furnace and charging installation using this method |
| 11/12/1986 | CA1213729A Apparatus and method for feeding pulverised coal into an air line to a blast furnace |
| 11/05/1986 | CN86103167A Process and apparatus for charging a shaft furnace |
| 10/29/1986 | EP0199662A1 Apparatus for injecting pulverised material, especially coal dust into a blast furnace |
| 10/28/1986 | US4619562 Pneumatic transportation system for powdered or granular material with a switching valve for selection of different transport paths |
| 10/01/1986 | EP0084559B1 Process for preparing a coal-water slurry |
| 09/25/1986 | WO1986005520A1 Improvements in or relating to ironmaking by means of a smelting shaft furnace |
| 09/24/1986 | EP0195250A2 Method and device for blowing solids into industrial furnaces |
| 09/03/1986 | EP0192912A1 Process for the production of pig iron |
| 08/27/1986 | EP0192073A1 Pressure reducing device for a pneumatic transport device for particulate material |
| 08/26/1986 | CA1210248A1 Method and apparatus for injecting pulverized fuel into a blast furnace |
| 08/19/1986 | US4606761 Such as iron ore with carbon monoxide and/or hydrogen |
| 08/19/1986 | US4606677 Device for introducing dosed quantities of pulverized solid materials into a carrier gas stream |
| 08/13/1986 | EP0190592A1 Process and apparatus for pneumatically injecting dosed quantities of finely divided solids into a vessel under pressure and the application of this process to shaft furnaces |
| 08/12/1986 | US4605342 Device for introducing dosed quantities of pulverized solid materials into a carrier gas stream |
| 07/30/1986 | CN86100138A Process for the production of pig iron |
| 07/22/1986 | US4601617 Device for introducing dosed quantities of pulverized solid materials into a carrier gas stream |
| 06/17/1986 | CA1206087A1 Method of providing a coal-gas supply especially for iron or steel works |
| 06/10/1986 | US4594028 Apparatus and process for the injection of metered amounts of pulverized material into a vessel |
| 06/10/1986 | US4593727 Apparatus and method for controlling the contents and the filling of a distribution tank for pulverized materials |
| 05/28/1986 | EP0182730A1 Blast furnace operation process |
| 05/14/1986 | EP0181245A1 Process and apparatus for continuously controlling blast furnaces |
| 05/14/1986 | EP0180712A1 Process and apparatus for introducing acid slag-forming elements into a cupola furnace |
| 04/15/1986 | US4582454 Apparatus and method for feeding pulverized coal into an air line to a blast furnace |
| 04/08/1986 | CA1202789A1 Increasing blast temperature |
| 04/02/1986 | EP0175855A2 Blast furnace plant |
| 04/01/1986 | US4579068 Melting system |
| 03/11/1986 | US4575394 Oxy-fuel burner using fuel having exothermic heat of decomposition |
| 02/18/1986 | US4570552 Process and apparatus for delivering carbon material to a furnace |
| 02/11/1986 | CA1200394A1 Method of operating a blast furnace |
| 02/05/1986 | EP0170566A1 Method of heating the blast gas of a blast furnace with a plasma generator |
| 01/28/1986 | US4566877 Carbon foam usable as blast-furnace fuel and method of making same |
| 01/21/1986 | CA1199504A1 Process and device for refining molten metal containing coolant solids |
| 12/18/1985 | EP0164878A2 Method of operating metallurgical furnace |
| 12/18/1985 | EP0164436A1 Device for the metered transportation of pulverulent matter |
| 10/30/1985 | EP0159596A1 Method of operating a blast furnace |
| 10/29/1985 | CA1195844A1 Method for activating petroleum coke |
| 10/24/1985 | WO1985004641A1 Introduction apparatus |
| 10/22/1985 | US4548529 Process for transporting particulate material from a low pressure zone to a gas-containing elevated pressure zone |
| 10/22/1985 | CA1195553A1 Method and means for pulverizing a combustible solid |
| 10/16/1985 | EP0158309A1 Injection arrangement of dosed quantities of pulverulent materials in a pneumatic propulsion fluid |
| 10/16/1985 | EP0158308A1 Injection arrangement for dosed quantities of pulverulent materials into a pneumatic propulsion fluid |
| 10/16/1985 | EP0157917A2 Reduction of metal compounds |
| 10/15/1985 | US4547219 Method of reducing iron ore using petroleum coke |
| 10/15/1985 | CA1195363A1 Gas-entrained particulate |
| 10/01/1985 | CA1194446A1 Process for making strong metallurgical coke |
| 09/17/1985 | US4541572 Pulverizing, drying and transporting system for injecting a pulverized fuel into a blast furnace |
| 09/10/1985 | CN85102640A A method and an equipment for temperature-controlled combustion of pulverized coal injected into blast furnace |
| 07/30/1985 | US4531973 Metallurgical processes |
| 07/16/1985 | US4529440 Producing carbon monoxide adducts |
| 07/16/1985 | US4529336 Method of distributing and transporting powdered or granular material |
| 07/10/1985 | EP0147888A2 Method of controlling substantially equal distribution of particulates from a multi-outlet distributor and an article constructed according to the method |
| 07/09/1985 | US4527776 Method of controlling substantially equal distribution of particulates from a multi-outlet distributor and an article constructed according to the method |
| 06/19/1985 | EP0144686A1 Pneumatic conveyor system for powdery or granulated materials |
| 06/18/1985 | CA1189112A1 Uniform pulverant flow after metering feeder |
| 06/11/1985 | US4522649 Method of furnace operation with high pellet burdens |
| 06/04/1985 | US4521246 Operating a blast furnace with the injection of hot reducing gases |
| 06/04/1985 | US4521139 Method of regulating mass streams |
| 05/21/1985 | US4518428 Agglomerates containing olivine |
| 05/08/1985 | EP0140075A2 Dust introduction into a hot zone |
| 04/23/1985 | US4512368 Fluid distributor |
| 04/16/1985 | CA1185434A1 Injection of hot reducing gases into a blast furnace |
| 04/16/1985 | CA1185433A1 Operating a blast furnace with the injection of hot reducing gases |
| 04/02/1985 | US4509177 Electric arc-fired blast furnace system |
| 02/26/1985 | US4501156 Method of and device for measuring a mass stream of finely divided fine-grained solid fuels |
| 02/19/1985 | US4500950 Industrial process control apparatus and method |
| 02/19/1985 | CA1182851A1 Flow splitter for dividing a stream of pulverulent material into multiple streams |
| 02/05/1985 | US4497609 Method and device for continuous supply of lumps of material to a shaft |
| 01/09/1985 | EP0130800A2 An electric arc-fired blast furnace system |
| 12/27/1984 | CA1179899A Apparatus and method for feeding pulverized solid fuel to a burner |
| 12/25/1984 | US4490171 Method and apparatus for injecting pulverized fuel into a blast furnace |
| 12/18/1984 | US4488838 Process and apparatus for feeding particulate material into a pressure vessel |
| 11/27/1984 | CA1178442A1 Coal-water slurry and method for its preparation |
| 11/21/1984 | EP0125305A1 Process for minimizing the reduction disintegration of iron ores and iron ore agglomerates to be used as blast furnace burden. |
| 11/20/1984 | CA1178061A1 Process for the continuous blowing of fine-particle reducing agents, especially mineral oil, into a shaft furnace |
| 11/13/1984 | US4482275 Method and apparatus for distributing powdered particles |
| 10/31/1984 | EP0123592A1 Conditioning of a carbon-rich material and process for realizing it |
| 10/31/1984 | EP0123542A1 Distribution of gas entrained particles |
| 10/30/1984 | US4479806 Stabilized slurry and process for preparing same |
| 09/25/1984 | US4473399 Method of supplying coal gas to a smelting works |