The invention relates to a device for taking gas samples from a blast furnace, having a rod-shaped probe (33), which is arranged in the furnace chamber of the blast furnace above the charge surface (18) and has a plurality of removal openings (34) for taking gas samples from the furnace chamber, said openings being connected to storage units for connection to an analysis unit, situated outside the furnace chamber, for analysing the gas samples taken, wherein the device has an advancing unit, situated outside the furnace chamber, with which the probe (33) can be moved into and out of the furnace chamber.
A method for monitoring a torpedo car in which a position detector PE is used to determine a position deviation between a target position and an actual position of a filling opening E of the torpedo car disposed in a filling station BS for filling it with pig iron and provided with an RFID transponder containing an object data set for identification, the filling opening E is positioned in the target position in the event of a position deviation, the filling level FM in the torpedo car disposed in the target position is measured by means of a filling level meter FM, the temperature of the pig iron filled into the filling opening is measured by means of a temperature meter TM, and data characterizing the position deviation, the filling level and the temperature is added to the object data set of the torpedo car by means of a data processor DV.
B22D 2/00 - Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
G06K 19/07 - Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips
3.
Radar antenna device and method for shielding a radar antenna device
A radar antenna device (16) having an antenna arrangement (19) that is accommodated in a housing (17) and is provided with a protective plate (20) for being separated with respect to a furnace atmosphere formed within a furnace chamber, said protective plate (20) being disposed on the housing, a radar-transparent limp material layer (21) comprising pores being disposed as a shield at a distance upstream of the protective plate (20) in such a manner that a space which is separated by the material layer (21) with respect to the furnace chamber is formed, a fluid line opening into said space for applying a fluid flow to the material layer (21).
H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome
G01F 22/02 - Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for involving measurement of pressure
H01Q 1/00 - Details of, or arrangements associated with, antennas
H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
4.
RADAR ANTENNA DEVICE AND METHOD FOR SHIELDING A RADAR ANTENNA DEVICE
The invention relates to a radar antenna device (16) comprising an antenna assembly (19) which is accommodated in a housing (17) and which is provided with a radar-transparent protective panel (20) on the housing in order to separate the assembly from a furnace atmosphere present in a furnace chamber. A radar-transparent flexible material layer (21), provided with pores, is positioned in front of and at a distance from the protective panel (20) as a shield, such that a gap separated from the furnace chamber by the material layer (21) is formed, into which gap a fluid conduit opens in order to supply the material layer (21) with a stream of fluid.
G01S 7/02 - Details of systems according to groups , , of systems according to group
G01B 15/04 - Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring contours or curvatures
5.
DEVICE AND METHOD FOR PROTECTING AN OPTICAL OBSERVATION OPENING
The invention relates to a diaphragm device (38) and to a method for protecting an optical observation opening (39), in particular for protecting the observation opening against contaminants from a dirty atmosphere (35) in a blast furnace or the like, having a nozzle unit and a purging gas chamber (43), wherein the nozzle unit forms a diaphragm aperture (26) for the observation opening and is used to form a purging gas flow, wherein the purging gas chamber is formed between an optical surface (41) of the observation opening and the diaphragm aperture. A purging gas is applied to the purging gas chamber and purging gas can be led through the diaphragm aperture into the dirty atmosphere, wherein the nozzle unit has a flow guiding device (31, 49) which effects guidance of the flow of purging gas escaping into the dirty atmosphere.
The invention relates to a holding apparatus (27) for a drill rod (15) of a taphole drilling machine (10) and to a method for removing a drill rod from a drill rod receptacle (17) from a taphole drilling machine, wherein the taphole drilling machine has a frame (14) with a drilling and percussion mechanism (16) movably arranged thereon, wherein the drilling and percussion mechanism has a drill rod receptacle for connecting the drill rod, wherein a gripping device (21) of the holding apparatus is arranged on the frame, wherein the gripping device serves for retaining the drill rod relative to the drill rod receptacle, and wherein the drill rod can be fixed securely on the frame by means of the gripping device.
The invention relates to a clay gun machine cannon (10) for metallurgical furnaces having a pressure cylinder (11) for receiving the plugging mass (13) and a compaction ram (14) for pressing the plugging mass (13) out of a mouthpiece (19) of the pressure cylinder pressed to the tapping hole of the furnace, wherein the pressure cylinder (11) has a cylinder liner having a wear sleeve assembly (18) inserted in the cylinder liner which is made of at least one insert sleeve made of a welded plate section.
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 moved by a motor on the carriage for driving a drill rod (7) guided at the furnace-side end (2) of the carriage (1) by means of a centering device (11) into the taphole (3) of a furnace (5) filled with a sealing compound (4) and pulling said drill rod out of the taphole (3) of a furnace filled with a sealing compound (4). The taphole drill is equipped with a drive arranged on the suspension of the taphole drill on a support frame (16) of the lifting device for a linear feed motion of the carriage (1) from a pre-positioned working position to the final working position (1a) of a certain distance (A) of the centering device (11) from the taphole (3) and for a retraction motion of the carriage (1) at or above a certain penetration depth of the drill rod (7) into the sealing compound (4) of the taphole (3) from the working position (1a) to a retracted position with a simultaneous feed motion of the drill rod (7) into the taphole (3) to protect the furnace-side carriage end (2) and the centering device (11) against the melt exiting the taphole during opening of the taphole (3) and for the feed motion of the carriage (1) from the retracted position to the working position (1a) for a new tapping process.
The invention relates to an eddy current brake with a stator, comprising at least two teeth (7, 8, 29, 30, 32, 34) having alternating polarity on both sides of a gap (9) in which an electrically conductive, movable machine element (22, 23) is braked. In this way, a higher field gradient is achieved along the direction of motion, which increases the braking force.
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 such as blast furnaces and melt furnaces. The method is characterized in that the melt stream is routed in a closed routing element using at least one stationary magnetic field with a constant polarity, at least one stationary magnetic alternating field or using a multi-poled magnetic travelling field, in such a way that the magnetic field lines transversally penetrate the melt flow across the entire cross section thereof and such that a voltage is induced in the melt stream by the magnetic fields, there being eddy currents induced thereby in the melt stream that are disposed radially and axially when a stationary magnetic field of constant polarity is used and that are disposed axially when a stationary alternating magnetic field or an electromagnetic travelling field is used, and that due to the interactions between the magnetic fields and the eddy currents forces are generated that can affect the flow rate of the melt stream.
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 inner pipe (4) disposed therein in an axially displaceable manner, wherein the outer pipe (3) is rigidly connected to the refractory lining (5) of the furnace (2) and wherein both pipes (3, 4) comprise a highly refractory material.
METHOD AND MELT CHANNELS FOR INTERRUPTING AND RESTORING THE MELT STREAM OF IRON AND METAL MELTS IN TAP HOLE CHANNELS OF BLAST FURNACES AND DRAINAGE CHANNELS OF MELT FURNACES
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 method is characterized by a transition of the melt stream in the melt channels to the solidified state through cooling so that the melt stream can be interrupted, and by a melting of the solidified melt and a restoration of the melt stream through heating, in particular for re-establishing tapping of blast furnaces.
F27D 3/15 - Tapping equipmentEquipment for removing slag
F27B 1/21 - Arrangement of devices for discharging
13.
METHOD AND DEVICES 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 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 that the melt stream is routed in a closed routing element using at least two magnetic fields disposed in series one after the other in the flow direction of the melt, said magnetic fields having a constant polarity opposite to one another, in such a way that the magnetic field lines transversally penetrate the melt flow across the entire cross section thereof and such that opposite voltages are induced in the melt stream by the magnetic fields, there being at least three eddy current fields produced thereby in the melt stream that are disposed axially one after the other, and that due to the interactions between the magnetic fields and the eddy currents forces are generated that can be used to reduce the flow rate of the melt stream.
patents
