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| Number | Title | Issue Date |
| 7858019 | Apparatus for manufacturing molten irons by hot compacting fine direct reduced irons The present invention relates to an apparatus for manufacturing molten iron. The present invention provides an apparatus for manufacturing molten iron including a charge container receiving the supply of reducing material in which hot fine direct reduced iron from m... | 12/28/2010 |
| 7727460 | Plasma arc reactor for the production of fine powders A plasma arc reactor and process for producing a powder from a solid feed material, for example aluminium, is provided. The reactor comprises: (a) a first electrode (5), (b) a second electrode (10) which is adapted to be spaced apart from the first ele... | 06/01/2010 |
| 7141205 | Method for discharging reduced product from a movable-hearth furnace and a discharging device A method for discharging a reduced product produced on a movable hearth of a movable-hearth furnace uses a discharging device. The discharging device includes a removal unit for removing the reduced product from the movable hearth, a separation unit for separating t... | 11/28/2006 |
| 6923842 | Method and apparatus for producing fine particles, and fine particles A method and apparatus are invented for producing fine particles, which can readily realize the formation of fine particles of sub-μm order to 100 micron order as well as fine particles of several micrometer which cannot be realized by a conventional method and app... | 08/02/2005 |
| 6391165 | Reclaiming metallic material from an article comprising a non-metallic friable substrate A system for reclaiming cadmium and tellurium from cadmium telluride solar cell. The system comprises a crushing apparatus for crushing cells into pieces, a first conveyor for transporting solar cells to the crushing apparatus, a barrel for receiving etch... | 05/21/2002 |
| 6352573 | Method for the separation and recycling of hot fines in hot briquetting of reduced iron A method of separating and recycling shards and fines that occur in a briquetting operation using an non-reactive carrier gas to separate and entrain the hot shards and fines, and conduct them to a material inlet of the briquetting machine, while separati... | 03/05/2002 |
| 6319302 | Method for manufacturing reduced iron agglomerates and apparatus there for A method for manufacturing reduced iron agglomerates comprises the steps of supplying iron oxide agglomerates including carbonaceous material on a moving hearth, heating and reducing the agglomerates to yield reduced iron agglomerates while the moving hea... | 11/20/2001 |
| 6221311 | Apparatus for disposing synthetic resinous materials A method for disposing synthetic resinous material comprises: dechlorinating a synthetic resinous material by heating the synthetic resinous material and decomposing the same; and supplying the synthetic resinous material into the furnace as a fuel or a r... | 04/24/2001 |
| 5992335 | Method of blowing synthetic resin into furnace and apparatus therefor A method for blowing a synthetic resin material into a furnace which comprises processing film-shaped synthetic resins into a first granular resin material; crushing non-film-shaped synthetic resins into a second granular resin material; pneumatically fee... | 11/30/1999 |
| 5456738 | Portable metal extraction machine and method of using A process and apparatus for extracting gold from circuit boards, gold fingers and gold pins is described comprising the steps of applying liquid nitrogen directly to the surface of the circuit boards, gold fingers and gold pins, thus freezing the gold. A ... | 10/10/1995 |
| 4960461 | Method and installation for extracting gold from gold ore The invention relates to a method and apparatus for extracting gold from gold ore. The apparatus and process save capital and operating costs in the extracting of gold from gold ore and include comminution and leaching of the ore, and more particularly th... | 10/02/1990 |
| 4909837 | Process and apparatus for granulating molten slag A process and apparatus for granulating slag in which molten slag is charged into a drum and is solidified and granulated therein on cooled surfaces. To ensure a rapid cooling at a high thruput rate, the molten slag is applied to the inside surface of a d... | 03/20/1990 |
| 4722483 | Apparatus and method for fragmenting slag Apparatus and method for handling molten slag, in which the slag is delivered from a furnace to a cooling conveyor by a reciprocating spout, driven in a horizontal plane to provide a stream of molten slag in a substantially sinusoidal pattern to the conve... | 02/02/1988 |
| 4671752 | Air-pulverizing apparatus for high-temperature molten slag An apparatus for air-pulverizing high-temperature molten slag by blowing air at high speed through a nozzle into a flow of molten slag that is falling from an inclined container by the intermediary of a turndish. A heat detector is provided for detecting ... | 06/09/1987 |
| 4542889 | Installation for the direct production of sponge iron particles and liquid crude iron from iron ore in lump form In a process for the direct production of sponge iron particles and liquid crude iron from iron ore in lump form, which is reduced in a direct reduction unit and fed in a hot condition to a melting gasifier, the sponge iron particles which are discharged ... | 09/24/1985 |
| 4522377 | Method and apparatus for processing slag Molten slag is poured onto the upper surface of an elongated conveyor member. The surface of the conveyor member is cooled while maintaining it free from contact with liquids. Preferably, this is accomplished by way of a water cooled pan connected to the ... | 06/11/1985 |
| 4418892 | Aluminum furnace skim recovery system A reclaiming method and apparatus for reclaiming aluminum from the skim recovered from an aluminum furnace by a highly mechanized method and apparatus.... | 12/06/1983 |
| 4416688 | Direct reduction of ores and concentration of metallic values The process for beneficiating iron ore, particularly high phosphorous iron ore, by controlled selective solid-state reduction in which the resultant sponge iron is produced in a malleable condition followed by ultrafine preferential grinding to form flake... | 11/22/1983 |
| 4414016 | Apparatus for the pelletization of heat-liquifiable solid materials Apparatus for the pelletization of heat-liquifiable materials, such as metallurgical slags, consists of feed means for the molten material, these feed means depositing the material on a downwardly-extending feed plate over which it flows while it is mixed... | 11/08/1983 |
| 4389040 | Apparatus for separating a sponge iron product produced in a rotary furnace An apparatus for separating sponge iron products from the hot discharge material of a rotary furnace. A discharge chamber is connected to the rotary furnace for receiving the hot discharge material from the rotary furnace. A screen is provided at the lowe... | 06/21/1983 |
| 4350326 | Apparatus for heat recovery from molten slag Molten slag fresh from a smelting or refining furnace is ladled into a pan on a wheeled carriage and is thereby transported to a first heat recovery station, where water is heated by radiation from the slag while the latter is being agitated and granulate... | 09/21/1982 |
| 4322033 | Lance and method for removing skulls from steelmaking vessels Skulls which form within the upper nose section of steelmaking vessels are removed by means of a centrally located top blowing lance designed to blow at high velocity oxygen or other gases. The lance includes laterally extending ports communicating with a... | 03/30/1982 |
| 4253868 | Apparatus for nitriding metal materials and ferroalloys under pressure An apparatus for nitriding metal materials and ferroalloys under pressure in which a melting furnace is positioned above a pulverizing chamber and connected thereto, with an intake chamber, provided with a pulverizer, disposed in between with a dust-catch... | 03/03/1981 |
| 4234168 | Apparatus for producing low-oxygen iron-base metallic powder A process and an apparatus for producing low-oxygen iron-base metallic powder are disclosed. The low-oxygen iron-base metallic powder is produced by alloying and/or admixing iron-base metallic raw powder to be subjected to a final reduction, which has an ... | 11/18/1980 |
| 4230274 | Lance for removing skulls from steelmaking vessels Skulls which form within the upper nose section of steelmaking vessels are removed by means of a centrally located top blowing lance designed to blow at high velocity oxygen or other gases. The lance includes laterally extending ports communicating with a... | 10/28/1980 |
| 4223874 | Shaft furnace for producing low-oxygen iron-base metallic powder for powder metallurgy A shaft furnace for producing low-oxygen iron-base metallic powder for metallurgy is disclosed. The shaft furnace comprises a zone of storing and feeding a metallic raw powder, a preheating zone, an induction heating zone and a zone of cutting and cooling... | 09/23/1980 |
| 4196891 | Briquet strip breaker Apparatus for separating a strip of briquets issuing from a briquetting machine into individual briquets by bending the briquet strip both longitudinally and transversely to break the connections between adjacent briquets. The apparatus includes a carryin... | 04/08/1980 |
| 4180250 | Apparatus for granulation of molten slags Apparatus for the continuous granulation of molten slags produced in metallurgical furnaces such as blast furnaces, converters, electric furnaces, reverberatory furnaces and the like, and for recovering the heat of the molten slags, includes a vertically ... | 12/25/1979 |
| 4165978 | Briquet sheet breaking by cooling and bending Apparatus for separating a sheet of briquets issuing from a briquetting machine into individual briquets by bending the briquet sheet both longitudinally and transversely to break the connections between adjacent briquets. The apparatus includes a carryin... | 08/28/1979 |
| 4113239 | Apparatus for cooling slag Molten slag is impinged against a target, for instance a rotary drum, gets itself granulated as it rebounces on the target surface, and is charged into a fluidized bed consisting of solid particles and gas so that slag granules may be quickly cooled witho... | 09/12/1978 |
| 4046323 | Process for controlled slow cooling of non-ferrous smelting slags A process for controlled slow cooling of non-ferrous smelting slags, such as copper slags, for the recovery of the non-ferrous metals contained therein by subsequent crushing, milling and flotation operations is disclosed. The process comprises the steps ... | 09/06/1977 |
| 3994721 | Purifying a zinc-bearing solution by cementation Zinc bearing solutions are subjected to cementation in at least one fluidized bed of zinc particles which are simultaneously subjected to transverse agitation to remove impurities precipitated on the particles.... | 11/30/1976 |
