Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 451 - 500 out of 15,474

Document Document Title
WO/2010/107810A2
A furnace roller assembly is provided with a helically shaped shaft-offset and metal product contact surface assembly wound around a furnace roller shaft. A corebuster may be provided within the furnace roller shaft to direct the flow of...  
WO/2010/097425A1
The invention relates to a device (1) for stacking and/or destacking stackable objects (6). In order to simplify the device and ensure good functionality, the device has a lifting device (2a) for the objects (6) and support elements (4a)...  
WO/2010/094584A1
An arc metallurgic furnace slagging door comprising a lower slag removing-pushing movable panel (16) and a top movable panel (18) which can be opened to carry out remarks and interventions on molten metal, characterized in that: said top...  
WO/2010/094571A1
The invention relates to a taphole drill comprising a carriage (1), which can be moved from the rest position to a pre-positioned working position and vice versa by means of a lifting device, and a drill and impact hammer (6) that can be...  
WO/2010/094337A1
A melting device (1) for aluminium and aluminium alloys which comprises a melting furnace (2) having a melting chamber (3), arranged to keep a volume of aluminium, provided with at least one burner (9) arranged for the purpose of heating...  
WO/2010/094259A1
In order to prevent vortices (12) in vessels (1), (5) containing steel melts (2, 7), vortex blocks (10) are disposed in the area of the floor outlets (3, 8, 9) such that the knife edges (11) thereof extend into the vortex (12). The vorte...  
WO/2010/094716A1
The invention relates to a transport roller, comprising a ceramic roller body (1) having two ends (11) and two metallic end caps (2), each having a receiving bore (21), wherein each end (11) of the roller body (1) is arranged in a receiv...  
WO/2010/088740A1
A process and apparatus for direct smelting metalliferous material is disclosed. The invention concentrates injection of solid feed materials comprising metalliferous material and carbonaceous material into a direct smelting vessel durin...  
WO/2010/081810A1
A lower sealing valve unit for a charging system of a shaft furnace comprises a housing (12) having a pair of inlets (18) and at least one outlet (22); a valve seat (28, 28') associated with each inlet (18); and a flap (26, 26') associat...  
WO/2010/081879A1
A blast furnace charging system (12) for feeding charge material into the hearth of a blast furnace (10) comprises at least two hoppers (16, 16') for temporarily storing charge material, each hopper (16, 16') comprising a discharge assem...  
WO/2010/076214A1
The present invention relates to an oxygen blowing lance (1) that is cooled by protective gas at least in a section on the lance head side and that comprises a central conduit (2), and next to the conduit at least two oxygen lines (3), w...  
WO/2010/068113A1
A method of casting metals by filling a mould (6; 26) from a furnace (1; 21) by tilting of the furnace, by which the mould is tilted in a manner coordinated with the tilting of the furnace, whereby a flow of metal in a channel (4) or cou...  
WO/2010/063875A1
The invention is related to a method for emptying a furnace floor from smelt in a black liquor recovery boiler when the black liquor recovery boiler is being shut down. The emptying can be started while smelt is still flowing in smelt sp...  
WO/2010/060770A1
The invention relates to a nozzle (4) for injecting gas containing oxygen into a pig iron production device, wherein an injector insertion pipe (5) made of refractory material is arranged in the gas channel of the nozzle, wherein an inte...  
WO/2010/061022A1
This is of the type used in operations to skim, clean and stir molten metal in industrial furnaces. It is suspended from two rail beams (3, 4) arranged horizontally above the furnace mouth (2), that support two rails (5, 6) for moving a...  
WO/2010/055163A1
The present invention relates to a method and system for continuous case hardening of work pieces. In method and systems according to the prior art, there is no guarantee that work pieces can be produced with a uniform quality. To solve ...  
WO/2010/052211A1
The invention relates to a device for distributing a material in a molten state, said device comprising a swinging chute (16) supported so as to be capable of swinging about a substantially horizontal swinging axis (25), and a driving gr...  
WO/2010/047090A1
A protective plate which has anti-impact properties and anti-wear properties and can be easily manufactured. A turning chute comprises a conveying path for ore blocks which is formed by arranging plates (112) side by side on a fixation s...  
WO/2010/043216A1
The invention relates to a slag door for metallurgic furnaces, wherein a slag door opening is provided in the upper receptacle of the furnace with a door tunnel having a sill plate and the slag door can be actuated by a closure mechanism...  
WO/2010/039570A3
A method of determining an amount of impurities that a contaminating material contributes to high purity silicon comprises the step of partially encasing a sample of high purity silicon in the contaminating material. The sample encased i...  
WO/2010/031116A1
A material supply apparatus and process for co-injecting heated solid metalliferous material and solid carbonaceous material via a solids injection lance into a direct smelting vessel are disclosed.  
WO/2010/029430A1
A carrier transport system (10) transports a plurality of carriers (40) by a transport conveyor (20) into a heating furnace (13), advances a comb-shaped carrier stopper (35) having a plurality of protrusions (35a) toward the carriers (40...  
WO/2010/020229A1
In order to close the tap hole (3) of a tiltable converter (2), a seal plug (1) is provided, which is composed of fireproof material (10) disposed between the upper deformation plate (19) and the lower deformation plate (20). Said firepr...  
WO/2010/015687A1
The invention relates to a tapping channel (1) for draining iron and metal melts and liquid slags from metallurgical containers such as blast furnaces (2) and melt furnaces. The tapping channel (1) is formed by an outer pipe (3) and an i...  
WO/2010/015682A3
The invention relates to a method and melt channels for interrupting and restoring the melt stream of iron and metal melts in melt channels, in particular tap hole channels, of blast furnaces and drainage channels of melt furnaces. The m...  
WO/2010/015682A2
The invention relates to a method for interrupting and restoring the melt stream of iron and metal melts in melt channels, in particular tap hole channels, of blast furnaces and drainage channels of melt furnaces. The method is character...  
WO/2010/015684A1
The invention relates to a method for regulating the flow rate and for slowing down melt streams through magnetic fields in the tapping of metallurgical containers such as blast furnaces and melt furnaces. The method is characterized in ...  
WO/2010/015679A1
The invention relates to a method for regulating the flow rate and for slowing down non-ferromagnetic, electrically conducting liquids and melt streams through magnetic fields, in particular in the tapping of metallurgical containers suc...  
WO/2010/015230A1
The invention relates to a pouring device (1), which has an outlet opening (2) from which a pouring stream (3) exits. In order to at least reduce spillage, for example during a die replacement, it is advantageously provided that at least...  
WO/2010/016553A1
Disclosed is an iron bath-type melting furnace characterized by comprising a furnace body and a plurality of tap holes provided at different positions of the furnace body in the direction of the height thereof so as to extend through the...  
WO/2010/015682A9
The invention relates to a method and melt channels for interrupting and restoring the melt stream of iron and metal melts in melt channels, in particular tap hole channels, of blast furnaces and drainage channels of melt furnaces. The m...  
WO/2009/156011A1
The invention relates to a fireproof ceramic gas cleaning stone having the following features: at least one segment having unaligned porosity and extending from an end on the gas inlet side to a side face of the gas cleaning stone on the...  
WO/2009/154434A1
The invention relates to a method and a device for sealing a reactor chamber and cooling of solid fraction output of waste tire recycling characterizing by usage of hydraulic lock during loading-unloading process of reactor. The device c...  
WO/2009/153128A1
The invention relates to an oxygen blowing lance for steel production comprising a protection element, wherein the end of the main oxygen tube at the lance head is provided with a cover shell comprising one or more outlets, wherein remov...  
WO/2009/146935A3
The invention relates to a method and a device for feeding conveyable materials to reaction furnaces by means of a hollow space that feeds into the furnace space by way of a connecting tube, said hollow space being sealed air-tight from ...  
WO/2009/138297A1
The invention relates to a furnace system, comprising a furnace (1), particularly an arc furnace, for melting metal, a cleaning device (3) for removing and/or avoiding bulk goods from or in a furnace opening (2), wherein the cleaning dev...  
WO/2009/119843A1
Provided is a direct reduction iron making equipment, in which matching between a continuously operated rotary hearth furnace and a batch operated melting furnace is improved and high productivity can be realized. A raw material introduc...  
WO/2009/110400A1
A kiln tool plate (1) for firing ceramic being used at the time of firing an article to be fired, wherein at least an irregular shape (3) is imparted to the front surface side (A) and the back surface side (B) for mounting an article to ...  
WO/2009/100791A1
The invention relates to a device for loading and unloading a heat treatment furnace and to a corresponding method. Heat treatment furnaces are normally loaded and unloaded by means of a so-called elevator. During unloading, a removed wo...  
WO/2009/100815A3
The invention relates to a device for filling oven chambers of a coke oven. The fundamental construction of the device includes a horizontal transport screw (1) disposed on the underside of a coal filling cart, a filling telescope (2) di...  
WO/2009/093691A1
Provided is a method for sintering a ceramic honeycomb compact having many cells juxtaposed in the axial direction, by using a truck for a sintering furnace of a framework of a beam structure. The honeycomb compact sintering method for s...  
WO/2009/093166A1
One aspect of the invention concerns a launder assembly (10) for conveying molten material from a metallurgical furnace, The assembly is made up of launder sections (12) arranged end to end with connections between adjacent ends of the l...  
WO/2009/093690A1
Provided is a method for sintering a ceramic honeycomb compact having many cells juxtaposed in the axial direction, by using a truck for a sintering furnace of a framework of a beam structure. The honeycomb compact sintering method for s...  
WO/2009/093616A1
Provided is a slag removing apparatus, which can remove slag more flexibly according to the state of a slag distribution, the change in a container for molten metal, and so on. The slag removing apparatus (40) comprises a slag collecting...  
WO/2009/082984A1
A heat-treatment system comprises a transport plate (105), one or more heat-treatment chambers (102, 103) and a deposition device (101). The transport plate (105) is used for holding workpieces to be heat treated, and for transporting th...  
WO/2009/071407A1
The invention relates to a cleaning device and a furnace (1), particularly an electric arc furnace, having a tapping channel (2) for discharging liquid metal from the furnace (1), a locking device (4) for opening and closing an opening (...  
WO/2009/071406A1
The invention relates to a device for loading a furnace (2), particularly an electric arc furnace, with materials for the production of a metal melt, having at least one feed path (1) along which a first material and at least a second ma...  
WO/2009/062611A1
The present invention relates to a method and an apparatus for the production and the melting of liquid pig iron or of liquid steel intermediate products in a melt-down gasifier, with the introduction of oxygen-containing gas through oxy...  
WO/2009/049777A1
The invention relates to an electric furnace (1) with a receiving chamber (2) for molten material (3), wherein at least one electrode (4, 5) protrudes into the receiving chamber (2), and wherein means (6) for introducing dust into the re...  
WO/2009/047211A1
The invention creates a system for heat treatment of workpieces, with at least one transport device (10, 10', 30') which is designed as a horizontally and vertically displaceable manipulator, and at least one boom (11, 11', 31') to grasp...  

Matches 451 - 500 out of 15,474