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| Number | Title | Issue Date |
| 7776253 | Installation for supplying materials into metallurgical unit An installation is provided for supplying materials into a metallurgical unit by the alloying steel for synchronizing the process of melting the supplied materials and reducing the alloying elements. The installation includes a distributor gear made as a funnel and ... | 08/17/2010 |
| 7687019 | Refining apparatus for scrap silicon using an electron beam A refining apparatus for scrap silicon using an electron beam which is suitable for recycling of scrap silicon which is formed during the manufacture of silicon products such as silicon wafers includes a vacuum chamber, a crucible installed within the vacuum chamber... | 03/30/2010 |
| 7341080 | Method for loading pourable material and device for carrying out said method A method for loading a pourable material in a container, the material being supplied by gravity forces through a channel which is arranged in the opening of the container. In order to obtain a desired material distribution in the container, the material, a little bi... | 03/11/2008 |
| 6685878 | Throat closing device for shaft furnaces, especially blast furnaces having a material feeding hopper The invention relates to a throat closing device for shaft furnaces, especially blast furnaces having a material feeding hopper (1), to which a temporarily rotating rotary hopper (2) which is sealed with regard to the stationary parts (3) is connected. Th... | 02/03/2004 |
| 5938432 | Top closing device for shaft furnaces A top closing device for shaft furnaces, particularly blast furnaces, including an inlet hopper with inlet pipe, a rotating, vertically non-adjustable chute carrier with rotary drive, a pivotable chute in the furnace interior with external drive means, an... | 08/17/1999 |
| 5829968 | Charging device for a shaft furnace A charging device for a shaft furnace with a lower bell comprises lower means of blockage allowing an upper hopper to be isolated in a sealed manner from a lower hopper and allowing the retention of the charging material. In their open position, these low... | 11/03/1998 |
| 5738822 | Shaft furnace charging device with rotating chute A shaft furnace charging device with rotating chute comprises a supporting structure (22) overhanging the shaft furnace (10), a mounting flange (18) fixed rigidly to the shaft furnace (10), a batch hopper (26, 28) supported by the supporting structure (22... | 04/14/1998 |
| 5411242 | Charging device with member for regulating the flow rate A charging device is provided for feeding an enclosure with a predetermined flow rate of a solid material. The device comprises a materials hopper, a pipe for feeding the enclosure, and a member for retaining and for regulating the flow rate of material. ... | 05/02/1995 |
| 4949940 | Charging arrangement for shaft furnaces, in particular blast furnaces A charging arrangement for shaft furnaces, in particular blast furnaces, comprising a container which is arranged above the shaft furnace and which is subdivided by a separating wall into a lower distributor chamber and an upper lock chamber to which the ... | 08/21/1990 |
| 4881869 | Furnace charging throat construction In a throat stopper for shaft furnaces, in particular blast furnaces with two hoppers of which an upper hopper is rotatable through a drive device, the upper hopper is designed, by a stationary hood equipped with charging flap valves, as a sluice chamber ... | 11/21/1989 |
| 4878655 | Furnace charging throat construction In a throat stopper for shaft furnaces, in particular blast furnaces with two hoppers of which an upper hopper is rotatable through a drive device, the upper hopper is designed, by means of a stationary hood equipped with charging flap valves, as a sluice... | 11/07/1989 |
| 4859131 | Supporting framework for a loading installation of a shaft furnace The loading installation comprises a device for introducing and distributing charge material into a shaft furnace, this device being surmounted in ascending order, and in alignment with the central axis of the furnace, by a compensator, a valve housing, a... | 08/22/1989 |
| 4747741 | Device for closing the charging opening for pressure resistant containers The device for closing the charging opening of an autoclave (1) has a cover (2) which can be lowered into the interior of the autoclave by means of a drive means supported at the outer side of the autoclave (1). The charging opening overlaps with its annu... | 05/31/1988 |
| 4728240 | Charging installation for a shaft furnace An apparatus for distributing charge material to a shaft furnace is presented which effectively reduces the segregation of the particles in a storage housing positioned above the shaft furnace. In the present invention, the storage hopper and the distribu... | 03/01/1988 |
| 4497609 | Method and device for continuous supply of lumps of material to a shaft A method and a device is provided for continuously supplying from above piece-shaped, i.e. lumps of, material to a shaft through which a high-temperature gas is conducted from below upwardly to a centrally disposed upper gas outlet. The piece-shaped mater... | 02/05/1985 |
| 4395179 | Apparatus and method for charging material into a receptacle Apparatus and method are disclosed for charging particulate material of varying sizes into a shaft furnace, such as an oil shale retort or blast furnace, in which a highly uniform distribution of particle sizes of charge material and a desired height and ... | 07/26/1983 |
| 4348225 | Batch process and static-bed type apparatus for reducing iron ore Static bed type iron oxide reducing apparatus comprises reduction furnaces and cooling chambers respectively associated with the furnaces. Iron oxides are charged into the furnaces and reducing gas is applied to the raw materials to carry out a reducing r... | 09/07/1982 |
| 4322197 | Process and installation for charging a shaft furnace Material to be deposited on the hearth of a shaft furnace serially passes through a pair of temporary storage containers positioned above the furnace. The uppermost storage container is in the form of a bin open to the ambient atmosphere while the lower s... | 03/30/1982 |
| 4210315 | Means for producing a suspension of a powdery substance and a reaction gas A suspension of a powdery substance and a reaction gas is formed by allowing the powdery substance to fall as an annular flow into a reaction space, feeding the reaction gas downwardly to encircle the annular flow of powdery substance, the kinetic energy ... | 07/01/1980 |
| 4116345 | Charging apparatus for shaft furnaces and method Apparatus for charging material into a shaft furnace, such as a blast furnace. The apparatus includes gas lock means for introducing charge material into the furnace while the furnace is under gas pressure, and distributor means below the gas lock means t... | 09/26/1978 |
| 4116545 | Polymeric electrolyte for electrochromic display devices Disclosed is an electrochromic variable light modulating device including an improved ion conducting layer. The ion conductor comprises a polymeric composition containing polyethylene sulfonic acid, a pigment and water.... | 09/26/1978 |
| 4067452 | Charging apparatus for receptacle Disclosed is charging means for a shaft furnace such as an oil shale retort or blast furnace comprising a stationary outer distributor member having a donwardly converging inner wall and a movable member having upwardly converging upper wall, which latter... | 01/10/1978 |
| 4026427 | Charging apparatus for receptacles Apparatus for charging material into a shaft furnace, such as a blast furnace. The apparatus includes gas lock means for introducing charge material into the furnace while the furnace is under gas pressure, and distributor means below the gas lock means t... | 05/31/1977 |
| 3972426 | Device for charging materials into blast furnace A device for charging materials into a blast furnace is disclosed in which a gear box which supports rotatably a ring gear has a pair of shafts swingably supported by a casing joined to the top of the furnace in such a way that the gear box may be caused ... | 08/03/1976 |
