| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 266099000 | WITH RECORDING, INDICATING, INSPECTION OR MEASURING MEANS | 35 |
| 20090026668 | Metal making lance assembly - An assembly wherein inexpensive and essentially maintenance-free disposable sensors may be used in conjunction with a metal making lance. The assembly contemplates the use of disposable sensors that are accommodated by a sensor feed tube disposed interiorly or exteriorly of a conventional metal making lance. The sensors may be selected to detect one or more characteristics of the metal being treated and/or operating conditions of a metal treatment vessel. | 01-29-2009 |
| 20090033007 | Martensitic stainless steel tube and manufacturing method thereof - In a martensitic stainless steel tube according to the present invention, the content is determined by each of elements C, Si, Mn and Cr, and the bubble content ratio is further prescribed in accordance with the scale thickness on the outer surface of the steel tube, so that defects can be detected with high precision in the non-destructive inspection, such as ultrasonic test or the like. This allows the non-destructive inspection to be carried out with high efficiency. Moreover, there is another advantage that the weather resistance can be enhanced. The steel tube according to the present invention and the manufacturing method thereof can be suitably used in all of the technical fields in which a martensitic stainless steel tube having equal chemical composition is treated. | 02-05-2009 |
| 20090033008 | QUALITY WARRANTY SYSTEM IN INDUCTION HEAT TREATMENT FACILITIES - To provide a quality warranty system in the induction heat treatment facilities, in which the reliability of quality warranty can be increased because of the clarity of the processing conditions in each of the products which have been heat treated, and in which selection and identification of defective products once they occur can be facilitated. In the induction heat treatment facilities ( | 02-05-2009 |
| 20090224443 | NIOBIUM AS A PROTECTIVE BARRIER IN MOLTEN METALS - Devices may be in contact with molten metals such as copper, for example. The devices may include, but are not limited to, a die used for producing articles made from the molten metal, a sensor for determining an amount of a dissolved gas in the molten metal, or an ultrasonic device for reducing gas content (e.g., hydrogen) in the molten metal. Niobium may be used as a protective barrier for the devices when they are exposed to the molten metals. | 09-10-2009 |
| 20090230597 | Lance for Receiving Sensor or Sampler for Metal Melts - A lance for receiving a sensor or sampler for metal melts has a top part and a bottom part provided for arrangement on the sensor or sampler. The top part and the bottom part are detachably connected to each other by a plug-in coupling, wherein the plug-in coupling has two coupling parts that can be inserted one in the other. Of these coupling parts, one coupling part is arranged on the top part and the other coupling part is arranged on the bottom part of the lance, and the two coupling parts are inserted one in the other in the longitudinal direction of the lance. One of the two coupling parts has, on its open connection end, an opening or groove that extends from the front face of the coupling part in the longitudinal direction of the lance and has, spaced from the front face, an extension formed in the peripheral direction of the coupling part. On the other coupling part a raised portion is formed that engages in the extension. A blocking device, which can move in the longitudinal direction of the lance, is arranged on the top part or bottom part of the lance, such that a catch element of the blocking device is arranged at least partially between at least one part of the raised portion and at least one part of the opening or groove extending in the longitudinal direction of the lance. | 09-17-2009 |
| 20100044931 | METALLURGICAL VESSEL, IN PARTICULAR ARC FURNACE - The invention relates to a metallurgical vessel ( | 02-25-2010 |
| 20100065992 | System and method for annealing nuclear fission reactor materials - Illustrative embodiments provide systems, methods, apparatuses, and applications related to annealing nuclear fission reactor materials. | 03-18-2010 |
| 20100207306 | TEMPERATURE MEASURING DEVICE - A temperature measuring device for molten metal includes a porous plug with a first end and an opposed second end, an outer protective sheath with a closed end, an inner protective tube with a closed end, and a thermocouple arranged within an interior of the inner protective tube. The outer protective sheath extends away from the first end of the plug and the inner protective tube is arranged within an interior of the outer protective sheath. The porous plug comprises a substantially refractory material and the outer protective sheath consists essentially of substantially refractory metal oxide and graphite. A junction of the thermocouple is proximate to the closed end of the inner protective tube. | 08-19-2010 |
| 20110057364 | SYSTEM, METHOD, AND APPARATUS FOR POURING CASTING MATERIAL IN AN INVESTMENT CAST - An apparatus for bottom pouring into an investment cast includes a container that holds a melted casting material, where the container moves from a first container position to a second container position. In the first container position, holes on a stationary nozzle are not exposed to the interior of the container, and the melted casting material remains in the container. In the second container position, holes on the stationary nozzle are exposed to the interior of the container, and the melted casting material flows out the bottom of the container through the stationary nozzle. A temperature detection device determines the temperature of the melted casting material, and a heating device heats the melted casting material to a specified temperature. | 03-10-2011 |
| 20110101577 | CONVEYOR SYSTEM, COMPOSITE SYSTEM AND METHOD FOR COUPLING METALLURGICAL METHODS - A conveying system comprising elements for conveying lumpy, particularly hot, conveying stock and a cover for shielding the conveying stock. Disclosed are measures for inerting the conveying stock. A combined system encompasses a reduction plant for reducing oxides in a continuous process and processing unit for producing liquid metal in a discontinuous process. The reduction product is deliverable from the reduction plant to the processing unit. A method for coupling a reduction method used for reducing oxides in a continuous process and a method used for producing liquid metal in a discontinuous process. A reduction product from the reduction method is fed to the liquid metal production method for processing. | 05-05-2011 |
| 20110193274 | RESIDENT MEASUREMENT SYSTEM FOR CHARGE LEVEL OF BLAST FURNACE - A resident measurement system for a charge level of a blast furnace includes a chamber, a servo system, a distance measurement unit, and a cooling-cleaning unit. The chamber is combined with a lateral furnace wall of the blast-furnace, covers an opening of the furnace wall, and has a pivoting hole. A pivot of the distance measurement unit is pivotally disposed at the pivoting hole, and the distance measurement unit is driven by the servo system to perform a motion with the pivot as a movement center, so as to measure the charge level. The cooling-cleaning unit is used to supply a high-pressure gas, which flows through the distance measurement unit to perform cooling and cleansing operations. The measurement system is small in dimension, and capable of scanning the charge level in an environment with high temperature, high concentration of dust, and high corrosion in the blast furnace furnace, establishing charge level information into a two-dimensional charge level mode, and obtaining a charge level profile distribution situation in real time, thereby promptly modifying a burden distribution mode. | 08-11-2011 |
| 20110285067 | METHOD FOR PRODUCING LIQUID PIG IRON OR LIQUID STEEL INTERMEDIATE PRODUCTS FROM FINE-PARTICLED MATERIAL CONTAINING IRON OXIDE - A method for producing liquid pig iron or liquid steel intermediate products from fine-particled material containing iron oxide. The fine-particled material is prereduced in at least one prereduction stage and reduced in a final reduction stage to sponge iron. The sponge iron is melted in a melt-down gasification zone, with carbon carriers and oxygen-containing gas supplied. A CO- and H2-containing reduction gas is generated and introduced into the final reduction stage, is converted there, is drawn off and introduced into at least one prereduction stage, converted there and drawn off. A first quantity fraction of the fine-particled material containing iron oxide is introduced into a melt-down gasification zone via at least one prereduction stage and one final reduction stage, and a further quantity fraction of the fine-particled material containing iron oxide is introduced into the melt-down gasification zone directly or together with the carbon carriers and the oxygen-containing gas. | 11-24-2011 |
| 20120001372 | REFRACTORY CERAMIC PLUG - The invention relates to a refractory ceramic plus for regulating a metal melt flowing past in the region of an outlet opening of a metallurgical melting vessel, for example of a tundish. | 01-05-2012 |
| 20120146267 | PREHEATERS FOR PREHEATING STEELMAKING LADLES - Embodiments of the invention comprise a preheater for preheating a ladle for use in steelmaking wherein less fuel is consumed in heating the ladle efficiently and accurately to a controlled temperature. A preheater temperature is varied by controlling a burner of the heating unit based on measurements of refractories of the ladle taken by a pyrometer. The heating unit of the preheater includes an emissive coating for reducing heat loss and efficient heating during the preheating process. The heating unit of the preheater also includes valve mechanisms for accurately varying a flame size of the burner by regulating the rate of fuel, air, and oxygen supplied to the heating unit. | 06-14-2012 |
| 20120306129 | REACTION EQUIPMENT FOR PRODUCING SPONGE TITANIUM - The present invention provides a piece of reaction equipment for producing sponge titanium, which includes a reactor and a reactor cover with a stirring device, wherein a sealing ring is arranged between the reactor cover and the reactor, one side of the reactor cover is provided with a lifting device for controlling the lifting of the reactor cover, a resistance furnace is arranged above the reactor cover, a valve is arranged below the resistance furnace, and a vacuum-pumping pipe and an inflation pipe are arranged above the reactor cover. The present invention has the beneficial effects that the production equipment can ensure normal production, and effectively ensures the quality of sponge titanium product; compared with the prior art, the equipment has low cost, environmental protection and harmlessness during production. | 12-06-2012 |
| 20130106034 | DEVICE FOR INJECTING GAS INTO A METALLURGICAL VESSEL | 05-02-2013 |
| 20130127096 | REMOTELY CONTROLLED SEMI-AUTOMATIC MECHANIZED SAMPLING AND TEMPERATURE MEASURING PROBE APPARATUS FOR MOLTEN STEEL IN METALLURGICAL FURNACES - A remotely controlled, semi-automatic sampling and temperature measuring apparatus for steelmaking comprises (i) an air-cooled main probe body carrying a retractable metallic pipe pole containing a plurality of measuring cardboard cartridges by means of a push-pull driving mechanism; (ii) a non-cooled half-moon circular probe housing comprising a rotating arm for inserting and removal of the main probe body from the furnace by means of a hydraulic rotating actuator; and (iii) a double sided frame arm connected to the furnace shell for rotating and repositioning the half-moon circular probe housing and the main probe body away from the furnace for replacing the cardboard cartridges. | 05-23-2013 |
| 20130181384 | STAVE AND BRICK CONSTRUCTIONS HAVING REFRACTORY WEAR MONITORS AND IN PROCESS THERMOCOUPLES - A stave/brick construction, comprising: a stave having a plurality of ribs and a plurality of channels, wherein a front face of the stave defines a first opening into each of the channels; a plurality of bricks wherein each brick is insertable into one of the plurality of channels via its first opening to a position, upon rotation of the brick, partially disposed in the one channel such that one or more portions of the brick at least partially engage one or more surfaces of the one channel and/or of a first rib of the plurality of ribs whereby the brick is locked against removal from the one channel through its first opening via linear movement without first being rotated; and one or more wear monitors and/or thermocouples, wherein each wear monitor and thermocouple is disposed through or adjacent to the stave and/or one or more of the bricks. | 07-18-2013 |
| 20140061982 | EXTRACTION OF GALLIUM AND/OR ARSENIC FROM GALLIUM ARSENIDE - Extracting gallium and/or arsenic from materials comprising gallium arsenide is generally disclosed. In some example embodiments, a material comprising gallium arsenide may be exposed to a first heating condition to form a first exhaust. The first exhaust may be directed to an arsenic collection bed including aluminum, which may form aluminum arsenide. The material including gallium arsenide may be exposed to a second heating condition and/or a vacuum may be applied, which may form a second exhaust. The second exhaust may be directed to a gallium collection bed including aluminum, which may form gallium alloys of aluminum. | 03-06-2014 |
| 20140151942 | TOP SUBMERGED INJECTING LANCES - A lance for conducting a pyrometallurgical operation by top submerged lancing (TSL) injection, has inner and outer substantially concentric pipes. The lower end of the inner or at least a next innermost pipe is set at a level relative to the lower end of the outer pipe required for the pyrometallurgical operation. The relative positions of the inner and outer pipes are longitudinally adjustable to enable the length of the mixing chamber to be maintained at a desired setting during a period of use to compensate for the lower end of the outer pipe wearing and burning back. | 06-05-2014 |
| 20140191450 | APPARATUS AND METHOD FOR THE THERMAL EXTRACTION OF METALS - An apparatus and methods for removing metal from complex materials. | 07-10-2014 |
| 20140252697 | MAGNETIC PUMP INSTALLATION - A magnetic pump in a pump well in a molten metal furnace with a long, relatively thin side wall that wraps around a significant fraction of the circumference of the pump, which facilitates creation of an eddy current based flow field in the molten material with better magnetic coupling, thereby enhancing the effectiveness of the pump. Breach of the well wall will not result in spillage of metal outside the furnace, and the well can be monitored for any such breach or other change so that the pump can be lifted out of the well to protect it from contact with the molten metal in the event of such a breach, or other appropriate action can be taken. | 09-11-2014 |
| 20140252698 | MAGNETIC PUMP INSTALLATION - A magnetic pump in a pump well in a molten metal furnace with a long, relatively thin side wall that wraps around a significant fraction of the circumference of the pump, which facilitates creation of an eddy current based flow field in the molten material with better magnetic coupling, thereby enhancing the effectiveness of the pump. Breach of the well wall will not result in spillage of metal outside the furnace, and the well can be monitored for any such breach or other change so that the pump can be lifted out of the well to protect it from contact with the molten metal in the event of such a breach, or other appropriate action can be taken. | 09-11-2014 |
| 20140284852 | LANCES FOR TOP SUBMERGED INJECTION | 09-25-2014 |
| 20150115509 | CONTACTLESS POSITION MEASUREMENT OF A MOVABLE LANCE IN CONVERTER STEEL PRODUCTION - A system including a movable lance ( | 04-30-2015 |
| 20150130119 | NON-CONTACT TEMPERATURE MEASUREMENT IN MOLTEN METAL APPLICATIONS - A device to measure a temperature of molten metal may include an infrared sensor effective to measure the temperature of the molten metal, a sheath having an open end, a sealed end, and a channel extending from the open end to the sealed end, and an infrared-transparent window disposed between the infrared sensor and the channel of the sheath. The open end of the sheath is disposed near the infrared sensor and the sealed end of the sheath extends into the molten metal. The infrared-transparent window or rod is disposed between the infrared sensor and the channel of the sheath such that the infrared sensor can measure the temperature through the infrared-transparent window or rod, the channel, and the sealed end. The infrared-transparent window or rod seals the infrared sensor from the channel in the sheath. | 05-14-2015 |
| 20150300741 | GAS PURGING PLUG COMPRISING WEAR INDICATORS - A gas purging plug for blowing gas into a metallurgical vessel, having the form of an elongated body made of a first refractory material, contains a final visual wear indicator in the form of an elongated core extending from an inlet end to a distance, along a central longitudinal axis, less than the length of the elongated body. The final visual wear indicator is made of a second refractory material that differs in visual appearance from the first refractory material between 800 and 1500 degrees C. The plug also contains an intermediate visual wear indicator extending from the inlet end to a point between the end of the final visual wear indicator and the opposite end of the elongated body. The intermediate visual wear indicator is made of a third refractory material that differs in visual appearance from the first and second refractory materials between 800 and 1500 degrees C. | 10-22-2015 |
| 20160097594 | REMELTING FURNACE WITH A WEIGHING CELL - A remelting furnace is disclosed. An electrode rod drive with an electrode rod, as well as a retaining ring to retain a high-current cable, are arranged on a platform which is located on a weighing cell. Even though the position of the high-current cable changes during lowering of the electrode rod supporting a consumable electrode, the recorded weight portion of the high-current cable remains the same, which means that ultimately the change in the weight of the consumable electrode can be determined with the weighing cell. | 04-07-2016 |
| 20160109181 | FURNACE FOR SMELTING COPPER FOR LOWER BLOW-THROUGH WITH ENRICHED OXYGEN - The invention describe facilities for smelting copper for a lower blow-through with enriched oxygen, comprising a furnace for lower blow-through, which, in turn, comprises the following characteristics: | 04-21-2016 |
| 20160376671 | CONTINUOUS TEMPERATURE MEASURING DEVICE AND RH APPARATUS INCLUDING THE SAME - A Ruhrstahl-Heraeus (RH) apparatus for performing a vacuum degassing process of molten metal includes a sensor hole formed at a lower vessel of a vacuum vessel; a continuous temperature measuring device mounted on the sensor hole and including a light-to-temperature converter measuring temperature based on received light, a light guide rod receiving light from a measurement target, an optical fiber transferring the light received by the light guide rod to the light-to-temperature converter, a connector connecting the optical fiber to the light guide rod while maintaining straightness of the optical fiber, a primary protection tube enclosing an outer peripheral surface of the light guide rod, a flexible heat resistant tube protecting the optical fiber, and a joint connected to the flexible heat resistant tube and provided with a cooling gas injection tube; and a cooling gas supply unit supplying cooling gas to the cooling gas injection tube. | 12-29-2016 |
| 266100000 | Having observation means | 5 |
| 20090085263 | INSPECTION HOLE STRUCTURE FOR FLASH-SMELTING FURNACE - An inspection hole structure | 04-02-2009 |
| 20100270714 | Apparatus for observing interior of a blast furnace system - An apparatus for observing the interior of a blast furnace system includes a visible light guiding unit which defines a light path along a viewing axis that is radial to an upright axis of a furnace wall body of a blast furnace and which is adapted to be secured to a furnace blowpipe to permit the light path to be in visual communication with a tuyere, a beam splitter which is disposed in an accommodation space in the tubular mount to split a beam of light propagating along the light path into a horizontal component so that the operator can observe furnace condition through a peeping hole, and a vertical component, and a video camera system which includes an elongate casing connected to the tubular mount, and a video camera disposed in a cooling chamber of the casing to capture a light image from the vertical component of the light beam. | 10-28-2010 |
| 20110140317 | SHIELDING ARRANGEMENT FOR THE SMELT SPOUT AREA OF A RECOVERY BOILER - A smelt spout area of a recovery boiler. A bank of smelt spouts is connected to a lower part of the boiler for directing smelt from the boiler to a dissolving tank. A working area is in front of the bank of smelt spouts. A shielding wall is located in front of the bank of smelt spouts and arranged movable in relation to the bank of smelt spouts to separate the bank of smelt spouts from the working area and persons working on the working area. | 06-16-2011 |
| 20120280437 | Slit Lance Burner For Flash Smelter - A burner for a flash smelting furnace. The burner includes an injector having a sleeve for delivering pulverous feed material to the furnace and having a central lance within the sleeve to supply compressed air for dispersing the pulverous feed material in the reaction shaft of the furnace. The central lance has an annular slot at its tip for creating a substantially continuous air curtain. | 11-08-2012 |
| 20120280438 | Burner and Feed Apparatus For Flash Smelter - A burner for a flash smelting furnace. The burner includes a distributor for receiving pulverous feed material from a plurality of feed pipes. The distributor has at least one curved deflector that directs the feed stream in an evenly distributed annulus into the sleeve of the burner. | 11-08-2012 |
