Class / Patent application number | Description | Number of patent applications / Date published |
266265000 | MEANS FOR INTRODUCING FLUENT INTO VESSEL, E.G., TUYERE | 17 |
20080211148 | 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 a chamber defined by one or more walls thereof, the chamber being in fluid communication with the cavity of the blast furnace, and the chamber of the tuyere and the bore of the blowpipe portion form an internal cavity of the tuyere assembly. Also, the tuyere assembly includes one or more injector subassemblies having one or more outlet ends, each outlet end being adapted for directing the hydrocarbon into the internal cavity for combustion thereof to provide a flame substantially having a preselected flame configuration. | 09-04-2008 |
20100320653 | TUYERE STRUCTURE OF MELTING FURNACE - A tuyere structure of a melting furnace includes: a tuyere main body which is covered on an outer periphery thereof with a ring member baked in advance, and is disposed in a hole portion provided in a tuyere brick; and a ramming material which fills a periphery of the ring member so as to fix the ring member. | 12-23-2010 |
20100327498 | TAPHOLE STRUCTURE OF MELTING FURNACE AND REPAIR METHOD THEREOF - A taphole structure of a melting furnace includes: a sleeve made of a fire-resistant brick, which is disposed inside a tapping hole provided in a furnace wall brick; and a ramming material which fills a gap between the sleeve and the tapping hole for fixing the sleeve. In addition, a repair method of the taphole which has expanded due to wear of a first ramming material during tapping, includes: forming a dismantled surface having a straight line shape by dismantling and removing a worn portion of the first ramming material in a straight line from an outer surface side toward an inner surface side of a furnace wall; and then filling a second ramming material into a gap between the dismantled surface having the straight line shape and a first sleeve for sealing. | 12-30-2010 |
20110109024 | APPARATUS FOR INSERTION AND EXTRACTION OF FUEL INJECTION LANCES INTO AND OUT OF THE TUYERE STOCK OF A FURNACE BLAST - An apparatus for insertion and extraction of a fuel injection lance into and out of a tuyere stock ( | 05-12-2011 |
20110127703 | DYNAMIC LANCES UTILIZING FLUIDIC TECHNIQUES - A jet of gas injected from a lance is fluidically deviated with a gas flowing in either the same or opposite direction as the jet of gas. The gas used to fluidically deviate the jet is the same as or different from the gas in the jet. | 06-02-2011 |
20110140321 | TUYER DEVICE FOR INTRODUCING GAS MEDIA UNDER A LIQUID METAL LEVEL - The invention relates to producing and processing liquid metal in metallurgy. The inventive tuyer device comprises a well block with a built-in shell, coaxial metal pipes arranged inside the shell, a central working channel and an annular channel encompassing the working channel on the side of a device introducible into the liquid metal, wherein the channels are separately connected to ducts for supplying gas media to the metal and the coaxial metal pipes consist of two interconnected sections of different diameters, the second section having the larger diameter, being connected to the ducts for separately supplying gas media to the working channels of the first section, being provided with an extra pipe and having the annular channels only, the gaps of which are in the form of capillaries for the liquid metal, the internal section of the central pipe being closed on both ends and filled with a refractory material. | 06-16-2011 |
20110272868 | BUSTLE PIPE ARRANGEMENT - The present invention proposes a bustle pipe arrangement ( | 11-10-2011 |
20120074622 | Movable device for injecting oxygen and other materials into electric arc furnace - A movable device for injecting oxygen and other technical materials into an electric arc furnace comprising a housing ( | 03-29-2012 |
20120211929 | POST-COMBUSTION LANCE INCLUDING AN INTERNAL SUPPORT ASSEMBLY - A post-combustion lance for directing a gas at least partially therethrough. The post-combustion lance includes a body extending between an upstream end and a downstream end of the lance, the body including upper and lower portions and a post-combustion distributor mounted therebetween. The lance also includes an internal support assembly for supporting the body, the internal support assembly including an internal tube positioned inside the body and at least partially engaged with the lower portion, and at least partially engaged with the upper portion of the body, so that the internal support assembly supports the body both upstream and downstream relative to the distributor. The lance also includes a lower o-ring gland positioned downstream relative to the internal support assembly and an upper o-ring gland positioned upstream relative to the lower o-ring gland. | 08-23-2012 |
20130020745 | AUTOMATIC CONTINUOUS FEEDING DEVICE OF METALLURGICAL FURNACE - An automatic continuous feeding device of a metallurgical furnace includes an outer barrel and a plurality of inner barrels. The outer barrel includes an accommodation space having an out-feed channel communicated to a reduction furnace. An out-feed gate is disposed on the out-feed channel of the outer barrel. The inner barrels utilized to receive a material are disposed in the accommodation space of the outer barrel. Each of the inner barrels includes an in-feed opening and an out-feed opening, wherein the in-feed opening passing through the outer barrel to communicate to an exterior is enclosed by an openable cover enclosing mechanism, and an inner-barrel lower cover is disposed on each of the out-feed openings. The accommodation space of the outer barrel can be kept at an environmental temperature and pressure equal to that of the reduction furnace, to perform multiple feeding operations in an environment with constant temperature and pressure. | 01-24-2013 |
266266000 | With flow control means or internal flow guide | 1 |
20120074623 | INJECTING GAS INTO A VESSEL - An apparatus for injecting gas into a vessel is disclosed. The apparatus comprises a gas flow duct from which to discharge gas from the duct, an elongate central structure extending within the gas flow duct, and a plurality of flow directing vanes disposed about the central structure adjacent the forward end of the duct to impart swirl to a gas flow through the forward end of the duct. The apparatus also comprises cooling water flow passages in the vanes that have inlets at the forward ends of the vanes and outlets at the rear ends of the vanes. | 03-29-2012 |
266267000 | Having means for simultaneously feeding diverse materials | 1 |
266268000 | Having plural outlets | 1 |
20100001443 | PULVERIZED COAL INJECTION LANCE - The present invention proposes a pulverized coal injection lance ( | 01-07-2010 |
266270000 | Having means preventing damage to introducing means, e.g., wear linings, cooling | 5 |
20080308979 | Composite Sparger - A composite sparger for use in elevated temperature and corrosive environments. The composite sparger is formed from a substrate tube with a thermally conductive interlayer on its surfaces exposed to the reactor environment. The thermally conductive interlayer is protected with a corrosion resistant layer. The corrosion resistant layer protects the interlayer from the corrosive environment of the reactor vessel and the interlayer material conducts heat away from the corrosion resistant layer to prevent combustion of the corrosion resistant layer. The interlayer material and corrosion resistant material may be selected so as to provide for sufficient thermal conduction to prevent combustion of the corrosion resistant material. | 12-18-2008 |
20090065986 | Apparatus for injecting solid particulate material into a vessel - A metallurgical lance ( | 03-12-2009 |
20100252968 | Forged Copper Burner Enclosure - A forged copper burner enclosure capable of being mounted within the side wall of a steel melting furnace for the purpose of providing an improved cooling characteristic to a burner lance. The burner enclosure is provided with a central passage adapted to receive a burner lance for injecting oxygen into the batch of molten metal of an electric arc furnace. The forged burner enclosure is positioned such that only a solid forged copper face is on the furnace side when installed. The burner enclosure has an optional through hole which can be used for the purpose of treating the metal melt with particulate supply ranging from slag forming materials to metallurgical materials. The burner enclosure further has a number of coolant holes and tubes which provide a unique bidirectional flow of cooling fluid through each hole and increases cooling fluid velocity while reducing stalling and hot spots of the cooling fluid thereby providing better heat transfer and physical characteristics over cast or weld-assembled burner enclosures. | 10-07-2010 |
20120187613 | TUYERE FOR IRON MAKING FURNACE - A tuyere for an iron making furnace, including a body unit having a blast passage passing through a central axis thereof, wherein the body unit includes: a frusto-conical body having a main body cooling passage; and a protruding part protruding from the body, wherein the tuyere further includes: a cover unit combined with the protruding part and defining a tip body cooling passage between the cover unit and the outer circumferential surface of the protruding part; and an outer unit combined with the cover unit while surrounding the cover unit and defining an outer cooling passage therein. When the outer unit is partially damaged, although the cooling water supply to the damaged part is cut off, the function of the tuyere can be continuously performed both by the remaining part of the outer unit and by the body unit, thereby providing a tuyere having a lengthened life span. | 07-26-2012 |
20130106035 | GAS BLOWING NOZZLE | 05-02-2013 |