Quotables
"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7837928 | Apparatus and method for injection of fluid hydrocarbons into a blast furnace A tuyere assembly for directing air and one or more fluid hydrocarbons into a cavity in a blast furnace. The tuyere assembly includes a blowpipe portion with a conduit defining a bore through which the air is directed. The tuyere assembly also includes a tuyere with... | 11/23/2010 |
| 7140765 | Device and method for discrete and continuous measurement of the temperature of molten metal in a furnace or recepient for its production or treatment A device (10) for continuous measurement of the temperature of molten metal in a furnace or recipient for its production and treatment comprises a heat analysis instrument (14) placed in a lance (12) which blows inert gas and/or high-pressure co... | 11/28/2006 |
| 7024750 | Method for the manufacture of layered metal product slabs and layered metal product slabs A method for the production of a layered metal slab by casting, which strip contains a central layer (2) and surface layers (3) on either side of it. The central layer (2) is introduced as a strip through a mould (4), into which is introd... | 04/11/2006 |
| 6638337 | Method of introducing additives in steelmaking The additives, in particulate solid form, are conveyed pneumatically in a divergent stream from a pneumatic gun to impinge upon the molten iron and mix therewith. The gun is spaced above a surface of molten iron such that the pneumatically conveyed stream... | 10/28/2003 |
| 6565799 | Equipment for the even feed of pulverous material to a concentrate burner of suspension smelting furnace This invention relates to equipment for the feed of pulverous material to a concentrate burner of a suspension-melting furnace, so that the feed of solid finely divided material into the furnace is distributed evenly in the concentrate burner. According t... | 05/20/2003 |
| 6464928 | Gas regulation system for blast furnace A system for introducing a homogenous mixture of natural gas and oxygen into the tuyeres of a blast furnace. Included in this system are gas conduits with flow controllers connected to a mixer that produces a homogenous mixture. Provisions are made to by-... | 10/15/2002 |
| 6238457 | Method for feeding and directing reaction gas and solids into a smelting furnace and a multiadjustable burner designed for said purpose The invention relates to a method for adjusting the flow velocity of reaction gas and the dispersion air of pulverous solids when feeding reaction gas and finely divided solids to the reaction shaft (6) of a suspension smelting furnace for creating a cont... | 05/29/2001 |
| 6090182 | Hot oxygen blast furnace injection system A method for providing a blast stream into a blast furnace wherein fuel and hot oxygen are provided into the blast air, the hot oxygen being at a temperature and velocity each greater than that of the blast air, and wherein the fuel and hot oxygen begin t... | 07/18/2000 |
| 5904895 | Apparatus for electric steelmaking A burner/injector for providing a localized impingement flame or multiple flames for scrap heating and melting through use of a fluid fuel and at least one oxygen rich oxidizing gas. The burner/injector includes a liquid-cooled combustor for generating an... | 05/18/1999 |
| 5858302 | Apparatus for electric steelmaking A burner/injector for providing a localized impingement flame or multiple flames for scrap heating and melting through use of a fluid fuel and at least one oxygen rich oxidizing gas. The burner/injector includes a liquid-cooled combustor for generating an... | 01/12/1999 |
| 5843368 | Apparatus for electric steelmaking A burner/injector for providing a localized impingement flame or multiple flames for scrap heating and melting through use of a fluid fuel and at least one oxygen rich oxidizing gas. The burner/injector includes a liquid-cooled combustor for generating an... | 12/01/1998 |
| 5788921 | Apparatus for electric steelmaking A burner/injector for providing a localized impingement flame or multiple flames for scrap heating and melting through use of a fluid fuel and at least one oxygen rich oxidizing gas. The burner/injector includes a liquid-cooled combustor for generating an... | 08/04/1998 |
| 5714113 | Apparatus for electric steelmaking A burner/injector for providing a localized impingement flame or multiple flames for scrap heating and melting through use of a fluid fuel and at least one oxygen rich oxidizing gas. The burner/injector includes a liquid-cooled combustor for generating an... | 02/03/1998 |
| 5481247 | Blast furnace tuyere sensor system A blast furnace tuyere sensor system comprising a conditioning circuit including a D.C. power supply, a potentiometer for base loading circuit voltage, and a photosensitive resistor sensor which outputs an analog voltage signal proportional to the intensi... | 01/02/1996 |
| 5451034 | Device for the injection of pulverized coal into a blast furnace crucible A method and device is provided for the combined injection of pulverized coal and a gaseous oxidant into a crucible of a shaft furnace, especially a blast furnace, through a hot-air blast tuyere. In the region of the nozzle end of the tuyere in the crucib... | 09/19/1995 |
| 5427604 | Alloy material addition method and apparatus for smelting and melting furnaces A method and apparatus for feeding alloy additive and burden materials to the burden in a vertical shaft furnace working volume generally by gravity-feeding the alloy additive to the furnace tuyere for entrainment in the blast media and transfer to the bu... | 06/27/1995 |
| 5333840 | Blast pipe and tuyere arrangement for a blast furnace and method Fuel and combustion gas are supplied to the blast pipes and tuyeres of a blast furnace through injection lances which have an inner tube and an outer tube. The inner tube is generally used to carry the fuel, while the space formed between the inner and ou... | 08/02/1994 |
| 5332419 | Pneumatic injection of powder or granule through submerged tuyeres A method of injecting powdered material into converters or other metallurgical vessels equipped with at least one submerged tuyere and a gas flow line interconnecting the tuyere to a bustle pipe or other source for blowing converting gas into the tuyere c... | 07/26/1994 |
| 5227117 | Apparatus for blast furnace fuel injection A blast furnace blowpipe is provided having multipe bosses for a plurality of fuel injection lances spaced around the periphery of the blowpipe.... | 07/13/1993 |
| 5176875 | Tubular water-cooled jacket for furnaces A tubular water-cooled jacket for furnaces is disclosed which includes a tubular member having a plurality of axial apertures and a plurality of transverse apertures. Each transverse aperture is formed therein so as to bring at least two of the axial aper... | 01/05/1993 |
| 5173245 | Tuyere injector An injector for introducing particulate material into the bath of a pyrometallurgical vessel via existing tuyeres. An existing mechanical puncher may be removed and replaced with an injector adapted to be attached to the existing tuyere body so as not to ... | 12/22/1992 |
| 5067693 | Electric arc oven for treating molten metals with a gas and a process therefor Electric arc oven for melting scrap iron of the type comprising a vat lined with an inner coating made of refractory material which is called the sole of the oven, lateral walls, a vault capping the upper opening of the vat, openings provided in the vault... | 11/26/1991 |
| 5042964 | Flash smelting furnace A method and corresponding apparatus for improving the control and efficiency of a combustion reaction in a flash smelting furnace, having the steps of mixing a first oxidizing gas having a first oxygen concentration with solid particles consisting of at ... | 08/27/1991 |
| 4919396 | Apparatus for smelting meltable substances, particularly ore concentrates An apparatus for smelting meltable substances, particularly ore concentrates. A transfer element joins the cyclone discharge to the furnace and is arranged between the melting cyclone and the furnace. In this way, the fitting, particularly the re-fitting ... | 04/24/1990 |
| 4919397 | Stationary injection block and injection slide plate for use with an injection valve A multiple orifice injection valve having a stationary block which communicates between the vessel and a sliding plate. The sliding plate is provided with at least one injection port and drive means for rotatably indexing the same in and out of register w... | 04/24/1990 |
| 4890821 | Metallurgical processes The invention relates to various energy saving measures for use in the smelting, refining and melting of metals, and in particular in the manufacture of steels, alloy steels and ferrous alloys. In such processes fuel consumption is reduced and efficiency ... | 01/02/1990 |
| 4887800 | Tuyere of blast furnace A tuyere for a blast furnace comprises water-cooled tuyere; and a burner removably mounted inside the water-cooled tuyere to burning pulverize coal. The burner comprises an inner pipe, an intermediate pipe and an outer pipe which are concentrically arrang... | 12/19/1989 |
| 4865297 | Apparatus for melting and refining metals This invention relates to a lance/burner apparatus and a method for melting and refining metals. Combustion produced from an oxy-fuel or fuel-air-oxygen flame is used to preheat and melt scrap. Oxygen is introduced through a lance pipe into the molten scr... | 09/12/1989 |
| 4790692 | Arrangement for transporting disintegrated particulate solids The invention relates to an arrangement for transporting disintegrated solid particles, in which the particles are transported by a quantity of air placed under an over pressure. The weight ratio of the particle/aix mixture lies within a range at which pa... | 12/13/1988 |
| 4771993 | Device for injecting divided solid materials in a smelting blast furnace The tuyere comprises a substantially cylindrical or slightly convergent frusto-conical downstream part, and a divergent frusto-conical upstream part; the plasma torch is placed co-axially to the tuyere at the inlet to the upstream part thereof; the solid ... | 09/20/1988 |
| 4767598 | Injection apparatus for introduction of a fluid material into a molten metal bath and associated method An injection apparatus for introducing fluid material, such as a reactive element to a molten metal bath while resisting undesired oxidation. The injection apparatus consists of a body assembly having a chamber defined therein, and inlet and outlet passag... | 08/30/1988 |
| 4759532 | Lance for injecting highly-loaded coal slurries into the blast furnace In the environment of a blast furnace having a tuyere protruding inwardly from its inner wall and fed by a blow pipe, a lance extends through a side wall of the blow pipe for injecting coal-water or coal-tar mixtures or any other highly-loaded coal slurry... | 07/26/1988 |
| 4711433 | Copper converter A copper converter which includes: a converter body; a plurality of tuyeres disposed to the converter body, each tuyere having an outer end portion; a first concentrate blowing pipe assembly disposed at least one of said tuyeres, the concentrate blowing p... | 12/08/1987 |
| 4700930 | Device for injecting pulverulent material, such as coal, in a blast furnace The invention relates to a device for injecting pulverulent material, such as coal, into a blast furnace. The device includes a hot blast tuyere issuing into the blast furnace, a nozzle fixed against said tuyere and co-axial thereto for bringing the hot b... | 10/20/1987 |
| 4666132 | Method and apparatus for the pyrometallurgical treatment of fine grained solids to produce molten products A method and apparatus for the pyrometallurgical treatment of fine grained solids such as non-ferrous metal ore concentrates with an oxygen-containing gas wherein the solids are mixed with the gas to form a suspension which is blown through a nozzle into ... | 05/19/1987 |
| 4613113 | Apparatus for blowing powdery refining agent into refining vessel Disclosed herein is an apparatus for blowing a powdery refining agent into a refining vessel which is adapted to blow the powder into a molten metal bath of the refining vessel together with a refining gas by feeding the powder from a pressure vessel to a... | 09/23/1986 |
| 4555385 | Elution process and apparatus and extraction of particulate material from a vessel An introduction process and apparatus is described concerning the continuous elution of a value, i.e. a metal value such as gold, from a particulate carrier by a counterflow of stripping liquid through the pressurized vessel in which the loaded particulat... | 11/26/1985 |
| 4490171 | Method and apparatus for injecting pulverized fuel into a blast furnace A method for injecting a pulverized fuel into a blast furnace uses a pulverulent fuel injecting burner which is protruded into a blow pipe through a wall thereof near the tuyere of a blast furnace. The burner injects a pulverized fuel into the blast furna... | 12/25/1984 |
| 4422624 | Concentrate burner A burner for smelting metal-bearing sulfide ores or concentrates by means of an oxygen-rich gas is disclosed. The oxygen-rich gas is introduced into a chamber so as to aspirate or eject the metal-bearing sulfide ore or concentrate. The oxygen-rich gas and... | 12/27/1983 |
| 4407490 | Method and a means for introducing close-grained carbonaceous fuels into an iron melting bath A method and a means for introducing close-grained carbonaceous fuels, which are suspended in a carrier gas, and oxygen into an iron melting bath are described. In this method the fuel and the oxygen can be alternately introduced through the same introduc... | 10/04/1983 |
