| Patents for C21B 7 - Blast furnaces (8,339) |
|---|
| 09/28/1988 | EP0283622A2 Cooling of molten media processes |
| 09/21/1988 | EP0171438B1 Method for regulating components of molten iron flowing from shaft furnace |
| 09/20/1988 | US4771993 Device for injecting divided solid materials in a smelting blast furnace |
| 09/14/1988 | CN88101133A Sealing bottom structure of vertical furnaces |
| 09/08/1988 | DE3724995A1 Process for manufacturing a composite body and the composite body itself |
| 09/07/1988 | WO1988006635A1 Tuyere stock for blast furnaces |
| 09/06/1988 | US4768755 Blast-furnaces in the region of the pouring apertures |
| 08/31/1988 | CN88100874A Apparatus for interchanging tapping spout of shaft furnace |
| 08/31/1988 | CN87100758A Charging equipment for vertical furnace |
| 08/30/1988 | US4767322 Apparatus for charging a shaft furnace |
| 08/30/1988 | US4767258 Process and apparatus for charging a shaft furnace |
| 08/24/1988 | EP0279165A1 Apparatus for the replacement of runners of shaft furnaces |
| 08/24/1988 | CN88100068A Turere of blast furnace |
| 08/18/1988 | DE3802417A1 Tuyere for shaft furnaces |
| 08/17/1988 | EP0278221A1 Tuyere of blast furnace |
| 08/11/1988 | DE3702935A1 Additive for carbon-containing ceramic compositions |
| 08/02/1988 | US4761793 For a furnace |
| 07/27/1988 | CN87108137A A magnesia-carbon brick and its process |
| 07/27/1988 | CN87107931A Operating gear for measuring valve |
| 07/27/1988 | CN87107929A Operating gear for measuring valve |
| 07/21/1988 | DE3700545A1 Water-cooled tuyère |
| 07/19/1988 | US4758118 Process and apparatus for the metered introduction of fine-grain solid materials into an industrial furnace particularly a blast furnace or cupola furnace |
| 07/14/1988 | WO1988005149A1 Process and device for introducing additives into a cupola or shaft furnace |
| 07/06/1988 | CN87108358A Method and device of charging admixture into shaft furnace and cupola |
| 07/06/1988 | CN86108275A Charging apparatus of blast furnaces |
| 07/05/1988 | US4755095 Device for closing a top central opening of a vessel and its application to a storage hopper in a shaft furnace charging installation |
| 06/15/1988 | EP0270870A1 Mechanism for actuating a dosage valve |
| 06/08/1988 | EP0269930A1 Mechanism for agitating a dosage valve |
| 06/08/1988 | EP0269788A1 Unshaped refractory materials |
| 06/08/1988 | CN86107932A Charging arrangement for blast furnace |
| 06/01/1988 | EP0269541A1 Device for supporting and inserting a rectilinear probe and an adapted probe |
| 05/31/1988 | US4747581 Device for the movement of a shaft furnace probe |
| 05/18/1988 | CN86107459A Branch-duct flow adjustor for a blast furnace coal-ejector |
| 05/10/1988 | CA1236296A1 Slag and hot metal runner system |
| 05/10/1988 | CA1236295A1 Slag and hot metal runner system |
| 04/28/1988 | DE3715188A1 Device for energy recovery from blast furnace gases of a shaft furnace |
| 04/27/1988 | CN87106397A Distributing process of high mixture ratior pellet for bell type-blast furnace |
| 04/27/1988 | CN87104993A Apparatus for energy recovery from shaft furnace exhaust gases |
| 04/12/1988 | CA1234980A1 Improvements to melt discharge of blast furnaces |
| 03/16/1988 | CN87206789U Equipment for ingstallation of stel brick and proteeting plate at blast furnace throat |
| 03/08/1988 | US4729549 Handling device for a distribution spout of a shaft furnace |
| 03/08/1988 | CA1233780A1 System for controlling the contents and the filling of a distribution tank for pulverulent materials |
| 03/02/1988 | CN87200579U Bell-furnace top numerically controlled stuff-flow adjusting device for shaft furnace to use up stuff |
| 03/01/1988 | US4728240 Charging installation for a shaft furnace |
| 02/25/1988 | WO1988001306A1 Charging device for blast furnace |
| 02/17/1988 | CN87207789U Renewable crown of cooling wall |
| 02/17/1988 | CN87203796U Podwer coal blowing device for blast-furnace |
| 02/17/1988 | CN87104498A Device for closing top central opening of vessel, and its application to storage hopper in shaft furnace charging installation |
| 02/17/1988 | CN87101645A Installation for charging shaft furnace |
| 02/17/1988 | CN87101644A Installation for charging shaft furnace |
| 02/16/1988 | CA1232892A1 Mechanism for actuating a proportioning valve |
| 02/11/1988 | WO1988000982A1 Charging device for blast furnace |
| 02/11/1988 | DE3702382C1 Apparatus for adjusting a throat armour |
| 02/02/1988 | CA1232133A1 Reheating process of blower gas for a blast furnace by means of a plasma generator |
| 01/27/1988 | EP0254661A1 Tuyere for blast furnace |
| 01/27/1988 | EP0254659A1 Tip for a probe and method and apparatus for handling this probe in a melt furnace |
| 01/27/1988 | CN87208510U Stroke indicator for hydraulic mud cannon |
| 01/27/1988 | CN87207892U Blast inlet device for ironmaking blast furnace |
| 01/21/1988 | DE3624266A1 Apparatus for exchanging main tapping launders on blast furnaces |
| 01/13/1988 | EP0252342A1 Device for closing a central upper opening of a vessel, and its use in a bunker for a shaft furnace charging installation |
| 01/07/1988 | EP0251967A1 Method for axially aligning a device for introducing a probe transversely into a melt reduction furnace, and device therefor |
| 12/23/1987 | CN87103633A Method for controlling operation of blast furnace |
| 12/22/1987 | US4714396 Process for controlling the charging of a shaft furnace |
| 12/17/1987 | WO1987007705A1 Method and equipment for continuous feeding in separate phases in fuel furnaces, such as cupolas |
| 12/05/1987 | CN86205977U Fast alkality and desulfuration adjuster for slag of a closed double-valve blast-furnace |
| 12/02/1987 | CN87103627A Method for controlling operation of blast furnace |
| 11/25/1987 | EP0246992A1 Device for the introduction of a probe into a melting-reduction furnace |
| 11/25/1987 | EP0246618A2 Method for controlling operation of a blast furnace |
| 11/25/1987 | EP0246517A1 A method for controlling an operation of a blast furnace |
| 11/05/1987 | DE3615056A1 Method of manufacturing stoppers and outlets (spouts, nozzles, discharges) for steel casting foundries |
| 10/27/1987 | US4702288 Apparatus for the pneumatic injection of pulverulent materials into a pressurized vessel, and its application to the injection of powered coal into a shaft furnace |
| 10/27/1987 | US4702182 Process and apparatus for the injection by pneumatic means of metered amounts of pulverulent materials into a vessel which is under variable pressure |
| 10/20/1987 | US4700930 Device for injecting pulverulent material, such as coal, in a blast furnace |
| 10/06/1987 | US4698255 Multi-layer refractory structure and a wall provided with such a refractory structure |
| 10/03/1987 | CN86204170U Cupola furnace with a wall-movable chamber |
| 09/30/1987 | EP0128165B1 Refractory products consisting of grains bound by carbonaceous rests and powdery metal silicon, and manufacturing method thereof |
| 09/29/1987 | CA1227334A1 Pulverizing, drying and transporting system for injecting a pulverized fuel into a blast furnace |
| 09/09/1987 | EP0235562A2 Process and device for the measured supply of fine solid particles to an industrial furnace |
| 09/09/1987 | CN87101904A Caststeel cooling wall of weldable type |
| 09/08/1987 | CA1226435A1 Compact apparatus for plugging the tapholes of shaft furnaces |
| 09/01/1987 | US4690387 Metallurgical plant for producing a mixed gas |
| 08/26/1987 | EP0233624A2 Apparatus for dosing pulverized solid materials, and use in the injection of dosed quantities of solid combustibles into a shaft furnace |
| 08/25/1987 | US4689076 Pulverization of coal by collisions |
| 08/19/1987 | EP0233118A1 Multipurpose blow-off cock |
| 08/05/1987 | EP0231137A1 Preheating burner |
| 07/28/1987 | US4682780 Rod chucking device for a perforator for perforating a pig iron discharge opening in a blast furnace |
| 07/22/1987 | EP0229048A1 Gas burner. |
| 07/21/1987 | CA1224336A1 Process of producing liquid carbon-containing iron |
| 07/16/1987 | WO1987004189A1 Preheating burner |
| 07/14/1987 | CA1224030A1 Apparatus for plugging tap holes of shaft furnaces |
| 07/07/1987 | US4677724 Heat exchanger structure and method of manufacturing same |
| 06/30/1987 | US4676825 Hot metal desulphurizing and dephosphorizing process |
| 06/30/1987 | US4676487 Cooling plate for metallurical furnaces |
| 06/23/1987 | US4675052 Tool for cleaning pouring runners |
| 06/23/1987 | US4674534 Particulate solids flow control valve |
| 06/02/1987 | US4670048 Method for heating the reducing gas of a blast furnace by means of a plasma generator |
| 06/02/1987 | US4669708 Cooling plates for blast-furnaces |
| 06/02/1987 | US4669707 Apparatus and process for tapping molten metal furnaces using a rotary percussion mill |
| 05/26/1987 | US4668285 Process and installation for the continuous control of a blast-furnace |
| 05/26/1987 | US4668253 Apparatus for the processing and scrubbing of gas entrained with particulate matter |