| Patents for C21B 7 - Blast furnaces (8,339) |
|---|
| 02/17/1982 | EP0010106B1 Guide troughs for molten products |
| 02/16/1982 | US4315771 Process to continuously determine the profile of a charge fed into a blast furnace |
| 02/16/1982 | US4315619 Process and system for recovering top gas from blast furnace or the like |
| 02/09/1982 | US4314695 Cooling elements for furnaces |
| 01/27/1982 | EP0044792A2 Cooling plates for a blast-furnace cooling arrangement |
| 01/26/1982 | CA1116849A1 Guide trough for molten products |
| 01/19/1982 | US4311301 Guide trough for molten products |
| 01/13/1982 | EP0043574A1 Cooling plate |
| 01/12/1982 | US4310147 Cooled components for furnaces |
| 12/29/1981 | US4307987 Shaft furnace charging apparatus |
| 12/22/1981 | US4306828 Combined flow control and isolation valve |
| 12/22/1981 | US4306827 Apparatus for distributing materials into vertical type furnace |
| 12/16/1981 | EP0041942A1 Method of alternately closing and opening the tap hole of metallurgical furnaces, especially of blast furnaces |
| 12/01/1981 | CA1113242A1 Blast furnace tuyere |
| 11/26/1981 | WO1981003341A1 Method of feeding powder-like fuel mixture to blast furnace tuyeres |
| 11/26/1981 | WO1981003340A1 Aeration feeder for coal dust supply to blast furnace hearth |
| 11/25/1981 | EP0040440A2 A shaft furnace, particularly the refractory construction of the bottom thereof |
| 11/17/1981 | US4300753 Hot metal runner system with air pollution controls |
| 10/27/1981 | CA1111245A1 Tap-hole closing arrangement of a metallurgical vessel |
| 10/20/1981 | CA1110848A1 Furnace bottom construction with seal |
| 09/29/1981 | US4292082 Unshaped refractories |
| 09/16/1981 | EP0035814A1 An exhaust system especially for use in the cast house of a blast furnace |
| 09/15/1981 | US4290067 Radiant energy profilometer |
| 09/15/1981 | US4289631 Compositions and process for extension of the useful life of machine elements |
| 09/15/1981 | CA1109123A1 Control system for an installation utilizing pressure energy of outgoing blast-furnace gas |
| 09/08/1981 | US4288194 Raw material distributing apparatus for a furnace |
| 09/08/1981 | CA1108399A2 Method and appartatus for reducing particulate iron oxide to metallic iron with solid reductant |
| 09/01/1981 | CA1107954A1 Mud gun |
| 08/25/1981 | US4285504 Tuyere sealing means and silencer |
| 08/25/1981 | US4285229 Introduced in the detection of leakages of the cooling in blast furnace nozzles |
| 07/22/1981 | EP0032206A1 Process for pneumatically injecting dosed quantities of finely divided solids into a vessel maintained at variable pressure |
| 07/22/1981 | EP0032186A1 Lining for industrial furnaces, in particular shaft furnaces such as blast furnaces or the like |
| 07/21/1981 | US4279845 Refractories, adhesion, setting |
| 07/21/1981 | US4279844 Filling mold former curing |
| 07/21/1981 | US4279408 Apparatus for changing tuyeres on a blast furnace |
| 06/30/1981 | CA1103920A1 Shaft furnace |
| 06/30/1981 | CA1103881A1 Fume containment |
| 06/23/1981 | US4274478 Apparatus for cooling dust-containing gas |
| 06/17/1981 | EP0030298A2 Method of producing chillers for metallurgical furnaces |
| 06/16/1981 | US4273577 For reduction of ores with coke, controlling thermal balance |
| 06/16/1981 | US4273492 Charging device for shaft furnaces |
| 06/16/1981 | US4273202 Drilling bit for blast furnace tap holes |
| 06/16/1981 | CA1103147A1 Gas washer and method of operation |
| 06/09/1981 | US4272062 Blast furnace hearth |
| 06/09/1981 | CA1102627A1 Method and apparatus for in-flight combustion of carbonaceous fuels |
| 06/09/1981 | CA1102545A1 Method and apparatus for resealing the large bell rod in a double bell charging system for a blast furnace |
| 06/02/1981 | CA1102119A1 Phosphorus furnace improvements |
| 06/02/1981 | CA1102118A1 Method and apparatus for varying the velocity of blast air flowing into a metallurgical furnace |
| 05/27/1981 | EP0029081A1 Cooling element for a metallurgical furnace |
| 05/26/1981 | US4269397 Method for measuring the thickness of a refractory in a metallurgical apparatus |
| 05/19/1981 | US4268017 Reactor with extractable feed nozzle |
| 05/19/1981 | CA1101204A1 Process for further use of direct reduction blast furnace gas |
| 05/12/1981 | US4266968 In which the velocity of the coal moving towards the center of the furnace is lower than the velocity of the hot blast entering the furnace |
| 05/12/1981 | US4266907 Device for handling the various components of an installation for the injection of pre-heated air into a shaft furnace |
| 04/21/1981 | US4262885 Prefabricated consumable blast furnace runner |
| 04/14/1981 | US4261878 Tap hole mixes |
| 04/14/1981 | US4261554 Tap-hole closing arrangement of a metallurgical vessel |
| 03/31/1981 | US4258633 Cooling of tuyeres in blast furnaces |
| 03/31/1981 | CA1098307A1 Cooler for shaft furnace |
| 03/24/1981 | CA1097953A1 Mechanism for guiding and positioning the working tool of a taphole drilling or plugging machine |
| 03/24/1981 | CA1097952A1 Apparatus for drilling and plugging tapholes in a shaft furnace |
| 03/18/1981 | EP0025423A1 Taphole opening apparatus for blast furnaces |
| 03/18/1981 | EP0025133A1 Use of a closed cooling circuit for the evaporative cooling of a shaft furnace |
| 03/18/1981 | EP0025132A1 Cooling element for a metallurgical furnace |
| 03/11/1981 | EP0024632A1 Use of a closed cooling circuit for the evaporative cooling of a metallurgical furnace or the like |
| 03/10/1981 | CA1097378A1 Refractory compositions |
| 03/10/1981 | CA1097305A1 Valve for opening and closing a fluid conduit |
| 03/03/1981 | US4253646 Hot blast-furnace-lining repairing apparatus |
| 02/17/1981 | US4250840 Blast furnace cooling arrangement |
| 02/11/1981 | EP0023716A1 Blast furnace and method of operation |
| 02/10/1981 | US4249723 Cooling device for smelting plants |
| 02/03/1981 | US4248809 Method and apparatus for detecting damage of blast furnace inside wall repairing materials |
| 02/03/1981 | US4248612 Apparatus for cleaning and recovering power from blast furnace exhaust gas |
| 02/03/1981 | US4248407 Cast house emissions recycle system |
| 01/27/1981 | US4247732 Method and apparatus for electrically firing an iron blast furnace |
| 01/27/1981 | US4247088 Mud gun |
| 01/27/1981 | CA1094317A1 Blast furnace charging device |
| 01/21/1981 | EP0022549A1 Process and apparatus for the injection of solid fuel into a shaft furnace |
| 01/20/1981 | US4245982 Cooling box for shaft furnaces |
| 01/13/1981 | CA1093721A1 Refractory clay balls for blast-furnace tap holes |
| 01/07/1981 | EP0021919A1 Fixing and sealing device for the cooling plates of a blast furnace |
| 01/07/1981 | EP0021487A1 Shaft furnace having cooling plates inserted into recesses in the lining |
| 01/07/1981 | EP0020625A1 Cooled furnace accessories |
| 01/07/1981 | EP0020527A1 Cooling of surfaces adjacent molten metal |
| 01/06/1981 | US4243351 Method of and apparatus for charging a furnace |
| 12/10/1980 | EP0019686A1 Apparatus for lining metallurgical vessels, especially of steelworks converters and/or blast furnaces |
| 12/09/1980 | US4238118 Method of permanent protection of the lower part of the blast furnace, in particular of the bottom of the blast furnace hearth |
| 12/09/1980 | CA1091012A1 Blast furnace snout |
| 12/02/1980 | CA1090567A1 Drilling machine for blast furnace tapholes |
| 11/18/1980 | US4234335 Gas cleaning method and apparatus |
| 11/12/1980 | EP0018652A2 Apparatus for changing the charge distribution in a blast furnace |
| 11/11/1980 | CA1089222A1 Blast furnace testing and control methods |
| 11/04/1980 | CA1088773A1 Temperature and sample obtaining probe for a shaft furnace |
| 10/29/1980 | EP0018347A1 Tapping device for a blast furnace |
| 10/21/1980 | CA1087840A1 Lubrication of the driving and securing mechanism of a rotary distribution spout in a shaft furnace |
| 10/21/1980 | CA1087839A1 Bleed valves |
| 10/14/1980 | US4227682 Guide and support structure for furnace taphole plugging or drilling device |
| 10/07/1980 | CA1086935A1 Dust suppression method and composition |
| 09/30/1980 | US4225122 Device for cooling plate coolers of blast furnaces |
| 09/23/1980 | CA1086066A1 Air injection nozzles and method for a blast furnace |