WO2011095377A1 - Dispositif de détection d'au moins une valeur de mesure sur un four, et four - Google Patents

Dispositif de détection d'au moins une valeur de mesure sur un four, et four Download PDF

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Publication number
WO2011095377A1
WO2011095377A1 PCT/EP2011/050318 EP2011050318W WO2011095377A1 WO 2011095377 A1 WO2011095377 A1 WO 2011095377A1 EP 2011050318 W EP2011050318 W EP 2011050318W WO 2011095377 A1 WO2011095377 A1 WO 2011095377A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
furnace
gas
injecting
measuring
Prior art date
Application number
PCT/EP2011/050318
Other languages
German (de)
English (en)
Inventor
Alexander Müller
Domenico Nardacchione
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to CN2011900003211U priority Critical patent/CN202955962U/zh
Priority to RU2012138536/02U priority patent/RU127878U1/ru
Priority to MX2012009156A priority patent/MX2012009156A/es
Publication of WO2011095377A1 publication Critical patent/WO2011095377A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/22—Arrangements of air or gas supply devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4673—Measuring and sampling devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/28—Arrangement of controlling, monitoring, alarm or the like devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C2005/5288—Measuring or sampling devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • C21C5/462—Means for handling, e.g. adjusting, changing, coupling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Definitions

  • the invention relates to a device for detecting at least one measured quantity to a furnace, the apparatus comprising at least one means for injecting at least one of Ga ⁇ ses in the oven and at least one measuring unit for detecting the at least one measured variable.
  • the invention applies further be ⁇ a furnace, particularly arc furnace, wherein the at least one means for injecting at least one gas into the furnace through a furnace wall of the furnace in egg ⁇ NEN furnace chamber is guided.
  • a furnace such as an electric arc furnace, a ladle furnace, a degassing plant or other plant of secondary metallurgy, a glass melting tank, etc.
  • certain metrics that characterize the furnace or Schmelzbe ⁇ drive, in To bring experience. This can be done by means of a contact-type measurement, for example by means of a manual measurement and sampling or alternatively via a contactless measurement, for example on the basis of an emitted from the treated material, the melt or the furnace itself vibration or electromagnetic radiation.
  • furnaces particularly metallurgical furnaces such as electric arc furnaces
  • metallurgical furnaces such as electric arc furnaces
  • Such a device for injecting at least one gas into the furnace may be a burner unit, a burner lance unit, a lance unit and the like. From a burner unit, a flame is formed in the burner mode.
  • fuel in particular natural gas, oil and the like, burned with the addition of a fuel gas containing oxygen.
  • Lances are often limited in time and introduced locally into the furnace chamber in order, for example, to supply gases, such as oxygen for refining a molten metal, to detect various measured quantities or to take samples. But firmly installed lance units are known, which are fixed to the furnace.
  • EP 1 457 575 B1 describes a device of the type mentioned at the beginning for observation of charging material in an electric roof during the melting operation.
  • burner lance units which form a composite of a burner unit and a lance unit, wherein an operation of such a unit alternately in the burner mode or can be done in lance mode.
  • the burner-lance unit As with a conventional burner unit is also used ei ⁇ ner burner lance unit when operated in burner mode Ben produced a flame and entered energy into the oven chamber.
  • the burner-lance unit according From ⁇ circuit of the burner mode, ie switching off the flame, be used as a lance through the blown a stream of gas into the furnace chamber and metrics can be captured.
  • gas connections for at least one gas to be injected in the lance mode are present in addition to the connections for fuel and fuel gas present on a conventional burner unit on a burner-lance unit.
  • measuring units have already been installed, which use a running through the burner lance unit in the direction of furnace chamber channel for an optical measurement size detection in the furnace chamber.
  • the invention is thus based on the object to provide a Vorrich ⁇ processing of the type mentioned which ensures a more efficient furnace operation in an exchange of a measuring unit in an oven, as well as provide a furnace with such a device.
  • the object is achieved for the device for detecting at least one measured variable on a furnace, in particular an electric arc furnace, in that the device comprises at least the following:
  • At least one measuring unit for detecting the at least one measured variable
  • At least one assembly for positioning the at least one measuring unit with respect to a cold end of the at least one device for injecting at least one gas in the oven
  • the at least one module min ⁇ least one positioning and at least one exchange ⁇ selatti includes, which is set to enter a detachable connection with the at least one positioning, and wherein the at least one positioning unit on the at least one device is arranged for injecting at least one gas into the furnace and the at least one exchange unit for receiving at least one measuring head of the at least one measuring unit is arranged.
  • a “cold” end of a device for injecting at least one gas in the furnace is in this case.
  • the end verstan ⁇ which is disposed outside a furnace other hand, the "hot" at one end of a means for injecting at least one gas in the Oven understood that end, which adjoins the furnace room. In the case of a burner or burner lance unit, the hot end is therefore that end at which a flame is formed at least temporarily.
  • Attached to the device for injecting at least one gas positioned in the furnace at least one positioning unit is thence positioned only once and aligned and ver ⁇ then remains unchanged in this position, at least as long as no replacement of, in particular the at least one positio ⁇ nierillon bearing parts of Means is required for injecting at least one gas into the furnace or there is a defect in the positioning unit itself.
  • a Repa ⁇ temperature or an exchange of at least one measurement unit, or at least the measurement head, are due to the releasable
  • connection between positioning unit and exchange unit be ⁇ particularly quickly and effectively feasible, since the at least one positioning exactly the optimum position for the mindes ⁇ least one exchange unit including at least one measuring head of at least one measuring unit.
  • a langwie ⁇ engined positioning at least the measuring head of the at least one measuring unit can thus be omitted, because with closing of the releasable connection between the positioning and exchange unit directly a positionally correct arrangement of at least the measuring head of the at least one measuring unit is achieved.
  • the object is achieved for the furnace by comprising at least one device according to the invention, wherein the Einrich ⁇ device for injecting at least one gas is passed into the furnace through a furnace wall of the furnace in a furnace chamber.
  • a furnace is particularly effective and inexpensive to operate.
  • the furnace is a metallurgical furnace such as an electric arc furnace, but other furnaces such as glass melting tanks are also effective and inexpensive to operate with the apparatus of the present invention.
  • the device according to the invention a minimization of the downtime of a furnace, in particular a continuous furnace operation, is possible. This minimizes the operating costs, in particular the required energy ⁇ use, and increases the throughput of the furnace and the quality of the products produced.
  • the respectively required or required measuring units can be used variably with regard to the type of measuring unit as well as the sequence and / or combination of the measuring units used. Also, a temporary operation of the furnace, during which no exchange unit is located in the positioning unit, is readily feasible. A defect in the device for injecting at least one gas into the furnace itself can be quickly and easily repaired after disconnecting the detachable connection, the previously decoupled exchange unit being used directly in the repaired device for injecting at least one gas into the furnace can.
  • a device for injecting at least one gas in the furnace is in particular a burner A ⁇ uniform, a burner lance or lances unit unit.
  • On an oven are preferably per device for injecting at least one gas into the furnace structurally equal ⁇ formed assemblies used to ensure interchangeability of the exchange units between them.
  • a detection of one or more - same or different - measured variables can be a means for injecting at least one gas in the Furnace at least one measuring unit with a plurality of measuring heads and / or measuring units of different types to be arranged downstream, wherein at least their measuring heads are arranged at or near the cold end of a device for injecting at least one gas into the furnace. It can be set up an exchange unit to record only a measuring head ⁇ a measuring unit to an entire measuring unit. Under a measuring head, the part ei ⁇ ner measurement unit is understood generally that be- seen as an interface measurement unit and measurement environment used for signal detection.
  • the measuring heads of measurement ⁇ units of different types and / or redundant measuring heads can be installed together in an exchange unit.
  • the at least one positioning unit is arranged at the cold end of the at least one device for injecting at least one gas into the furnace. This ensures a good accessibility of the at least one positioning unit, for example for the oven operator.
  • a positioning unit is fixed to a pipe of the device for injecting at least one gas into the furnace.
  • the at least one measuring unit preferably comprises Minim ⁇ least an optical measuring unit and / or at least one sound sensor and / or at least one acceleration sensor and the like.
  • Such units of measurement operate without contact, ie without making contact with a material that has been treated in the furnace chamber, and therefore particularly quickly and reliably.
  • Emitted from a furnace audible sound can be recorded via a sound sensor and certain furnace conditions, such as are clearly derived out ⁇ a foamed slag formation in the furnace chamber, therefrom.
  • Structure-borne noise can be detected at the furnace by means of an acceleration sensor, and certain oven states, such as, in particular, foaming slag formation in the furnace chamber, can be derived therefrom.
  • the at least one optical measuring unit comprises a temperature measuring unit and / or a unit for carrying out a chemical analysis.
  • a suitable unit for performing a chemical analysis usually comprises a laser.
  • the laser beam is sent into the furnace chamber and the light reflected back against the emission direction is evaluated.
  • An optical temperature measurement unit is preferred to be ⁇ oriented to detect a along a longitudinal axis of the means for injecting at least one gas in the furnace in the direction of the emitted radiation from the furnace space.
  • a measuring unit in the form of a laser, a camera, Pyrome ⁇ ters or Ondometers is preferably employed, these being used alone or in combination with optical fibers can transmit the radiation emitted from the furnace chamber in the direction of the device for injecting at least one gas into the furnace radiation to the evaluation.
  • the person skilled in the art is free to use here, as an alternative, other common devices which are suitable for contactless temperature measurement.
  • An optical temperature measuring unit preferably has a device for bundling radiation as a measuring head.
  • This device can be designed, for example, as a lens or lens ⁇ system.
  • a bundling device for radiation in particular temperature radiation, it is possible that a maximum proportion of emitted in the direction of the longitudinal axis of the device for injecting at least one gas into the furnace from the furnace chamber radiation for determining the temperature of the material or the melt in the furnace chamber is available.
  • the determined temperature in the furnace chamber can be used advantageously for controlling and / or regulating a process variable of a process taking place in the furnace chamber.
  • the energy input of the electrodes of the arc furnace can be controlled or regulated specifically for an electric arc furnace on the basis of a determined temperature distribution.
  • an addition of aggregates and the like depending on the temperature or the temperature distribution in the furnace chamber can be used advantageously for controlling and / or regulating a process variable of a process taking place in the furnace chamber.
  • This inspection opening which must be permeable to a radiation emitted and / or to be received by the optical measuring unit, can be detected by a simple method
  • Hole in the exchange unit or a corresponding radiation ⁇ permeable window be formed.
  • This must be permeable to any type of radiation that is to enter the furnace chamber from the furnace room into or out of an optical measuring unit. It has proven useful if the at least one device for injecting at least one gas into the furnace has a central channel K disposed centrally with respect to its longitudinal axis A, wherein the optical window is arranged to enclose the channel K.
  • the channel K forms a direct access to the furnace chamber at the furnace.
  • the longitudinal axis A of the at least one device for injecting at least one gas into the furnace preferably forms the center axis of the channel K, through which, for example, in the burner or lance mode gas is injected into the furnace chamber.
  • the channel K is preferably formed in a straight line, so that emit radiation ⁇ oriented along the channel K also rectilinear, ie, substantially without interference, can spread.
  • Longitudinal axis A preferably has an angle to the horizontal len, in particular to the surface normal of a melt in the furnace chamber, from 40 to 43 degrees.
  • the at least one positioning at least one sleeve for receiving comprises at least one alternating selritt, wherein a sleeve longitudinal axis Minim ⁇ a sleeve is disposed in alignment with the longitudinal axis A of the device for injecting at least one gas in the furnace of tens or, in particular automatically, can be arranged.
  • the at least one positioning unit comprises a rotatable turret ⁇ head with at least two sleeves each for receiving Minim ⁇ least one exchange unit, and one with the turret Actively connected drive motor which rotates the turret in the desired position.
  • the at least one positioning unit may comprise a slide system with at least two sleeves each for receiving at least one exchange unit, and an active connection with the slider ⁇ system drive motor which moves a slider of the slide system, and thus the sleeve, including the exchange units, in the desired position.
  • the position of the sleeves relative to the means for injecting at least one gas into the furnace is changed so that the desired, introduced into the respective sleeve exchange unit including at least one measuring head of a measuring unit in a measuring position is quickly and accurately positioned.
  • the device preferably comprises at least one control and regulating device for controlling the at least one measuring unit and / or at least one gas quantity regulating device connected to the device for injecting at least one gas into the oven.
  • At least one means for Eindü ⁇ sen of at least one gas into the furnace in the form of a burner lance unit is the standard operation of a metallurgical furnace, particularly arc furnace, typically as follows:
  • the burner lance unit is operated with a protective flame in order to keep free the opening of the burner lance unit directed towards the furnace chamber.
  • the burner-lance unit is operated in the burner mode and the power increased stepwise to assist in the melting of the material in the furnace chamber.
  • the burner-lance unit is switched to the lance mode and injected oxygen or oxygen ⁇ containing gas for refining the molten metal at supersonic speed in the furnace chamber.
  • the protective flame which normally surrounds the injected gas stream usually burns again.
  • a burner-lance unit can be used to perform an optical measurement by means of a measuring unit in the furnace chamber.
  • a measuring unit for example, in an arc furnace in Lanzenmodus.ipsendes gas
  • Supersonic velocity is injected into the furnace chamber in the direction of a melt in order to blow away slag which forms on the melt and to release the surface of the melt locally, for example for contactless temperature measurement.
  • the burner-lance unit in particular has a Laval nozzle, in which the gas to be injected is fed with a few bar pressure.
  • the gas quantity regulating device of the device for injecting at least one gas into the furnace can thus be correspondingly controlled, for example before receiving certain measured variables with a measuring unit, wherein the mode required for the respective measuring operation is set.
  • an optical temperature measurement would be on a burner unit in particular a burner shutdown or initiate to ⁇ minimum fuel cut and to choose an operation in the lance mode at a burner-lance unit.
  • the at least one control and regulation device is preferably also set up to control the drive motor and / or the at least one robot. This enables a seamless interaction between the operation of the device for injecting at least one gas into the furnace and the selection and sequence of exchange units to be attached in order to determine the desired measured variables.
  • the control and regulating device can also be set up to control the electrodes of an arc furnace, control the loading or unloading process of the furnace, etc.
  • control and regulating device is connected in a preferred embodiment of the invention with a computing unit, via which can be taken automatically or manually via the oven operator directly influence on the detection of a ⁇ voted measurement, evaluations of Measured variables made and the melting process can be influenced accordingly.
  • the device comprises a magazine for storing and / or providing a number of exchangeable units, each with at least one measuring unit accommodated therein, or at least its measuring head.
  • the pre ⁇ holding a plurality of exchange units which can be selectively detachably connected to the at least one positioning unit NEN, minimized at a defect of a measuring unit or the
  • Measuring head the occurring time span in which the measurement must be interrupted un ⁇ .
  • the magazine forms a locally well-defined and well-stocked warehouse for exchange units, including measuring heads and entire measuring units.
  • a plurality of devices for injecting at least one gas into the furnace are present, which are each connected via at least one module with at least one measuring unit, so that simultaneously measured variables for different areas in the furnace chamber of a furnace can be detected the direction of which show the means for injecting at least one gas into the furnace. For example, a determination of a local and / or temporal temperature distribution or
  • FIG. 1 shows a cross section through an oven with a first
  • 1 shows in the region of the device for injecting at least one gas into the furnace and the measuring unit, wherein the device further comprises a robot; 3 shows an assembly with measuring head;
  • FIG 4 shows the assembly according to FIG 3, installed in a lance
  • FIG 5 shows an enlarged detail of FIG 4 in the area of
  • FIG 6 shows a burner lance unit comprising the arrangement according to FIG 4;
  • FIG. 7 shows a second device comprising a positioning unit with a rotating turret
  • FIG. 8 shows a third device comprising a Positionierein ⁇ unit with slide system.
  • furnace 1 shows a cross section through an oven 1, here an electric arc furnace, with a furnace lid lc and electrodes ld, which are guided by this in a furnace space la.
  • ⁇ represented one of usually three electric to ld.
  • the furnace space la of the furnace 1 is a
  • a first device comprising a device 3 for injecting at least one gas into the furnace 1, here in the form of a burner-lance unit, which is installed above the melt 2 or guided through the furnace wall 1b, is installed on the furnace 1.
  • the outflow opening 3d of the burner-lance unit is directed onto the surface of the melt 2.
  • the burner-lance unit has a central channel K, through which a gas flow in the direction of the melt 2 in the furnace chamber la can be conducted in the lance mode.
  • the burner-lance unit has a plurality of connections to ⁇ a gas supply means 4 for supplying required in lance operation gas, which is preferably injected at supersonic speed ⁇ in the furnace chamber la.
  • a gas supply means 4 for supplying required in lance operation gas, which is preferably injected at supersonic speed ⁇ in the furnace chamber la.
  • the gas supply means 4 is in the lance mode, in particular a first gas, in this case preferably in the form of oxygen, abwech ⁇ nately with a second gas, preferably inert gas injected here in the form of nitrogen, at supersonic speed into the furnace chamber la.
  • a fuel supply device 5 and at least one fuel gas supply device 6 are present.
  • the burner lance unit fuel here preferably natural gas, fed.
  • the fuel is combined with fuel gas, here before ⁇ Trains t in the form of oxygen, burned, by means of
  • Fuel gas supply 6 is supplied.
  • the supply of the burner lance unit with the currently required gases is ensured, the burner lance unit being set in the desired mode.
  • the burner-lance unit has a cooling device 7 for supplying coolant, in particular water.
  • coolant in particular water.
  • the channel K of the burner lance unit is arranged centered relative to the longitudinal axis A of the burner lance unit. Starting from the hot oven ⁇ space la located electromagnetic radiation, in particular temperature or infrared radiation may propagate along the longitudinal axis A and thus enters the channel K of the burner lance assembly.
  • the radiation passes through an optical window 3e in a measuring head 10b not shown separately (see FIG. 3) of the measuring unit 10.
  • the measuring head 10b is provided here by a bundling device, for example a lens system, which concentrates the radiation and into one Optical waveguide 10a of the measuring unit 10 couples.
  • a bundling device for example a lens system, which concentrates the radiation and into one Optical waveguide 10a of the measuring unit 10 couples.
  • the measuring unit 10 can further light waveguide, and measuring heads with other burner lances units which are arranged at the furnace 1 and the sake of clarity are not Darge ⁇ represents, be connected. However, it is also possible to dispense with the optical waveguide 10a if a measuring unit 10 directly adjoins the cold end of the burner-lance unit facing away from the furnace chamber 1a.
  • a measuring unit 10 can also be connected to its measuring head 10b by means of a conventional electric cable or can be completely installed in an exchange unit 8b and, for example, be battery-operated.
  • An assembly 8 is used to position the measuring unit 10 with respect to a, the furnace chamber la remote from the cold end of the burner-lance unit.
  • the module 8 includes a positioning unit 8a and 8b an exchange unit which is turned rich ⁇ tet enter into a releasable connection with the positioning unit 8a.
  • the positioning unit 8a is arranged on the burner-lance unit and the exchange unit 8b is set up to receive the measuring head 10b of the measuring unit 10.
  • the device further comprises a control and regulation ⁇ means 11 for controlling the measuring unit 10 and connected to the burner lance unit Gasmengenregeleinrich- tung 12.
  • a control and regulation device 11 can be made generally interventions that the turning on or off the burner mode, a change in the supply quantities for fuel and / or fuel gas, the switching on or off of the lance operation and / or the selection and quantity of gas injected in lance operation, optionally further (not shown here) a change in the power supply to the electric ⁇ the ld of the arc furnace, a change in the position of the Induce electrodes ld of the arc furnace, the beginning of a charging or parting operation, etc.
  • the control and regulating device 11 is here connected to a computer unit 16, via which the oven operator can directly or automatically influence the detection of a specific measured variable, evaluations of the measured variables can be made and the melting process can be influenced accordingly.
  • FIG 2 shows a detail of Figure 1 in the direction A ⁇ 3 for injecting at least one gas in the furnace 1 or the burner lances unit and the measurement unit 10, where a further ⁇ only schematically illustrated here in the device
  • Robot 13 includes, which is controlled by the control and regulating device 11.
  • the robot 13 is set up to separate the exchange unit 8b including the measuring head 10b, which is not shown in detail here, in the case of a defect in the measuring head 10b from the positioning unit 8a, which is likewise not shown here in detail, and against an identical exchange unit 8bi, 8b2 , 8b3, 8b 4 , 8b 5 , 8b6, 8b 7 , 8bs, 8bg, each including a measuring head 10b, which is held in a magazine 14.
  • the exchange unit 8b with a defective measuring head 10b can be deposited by the robot in an unoccupied magazine opening 14a of the magazine 14.
  • FIG. 3 shows an assembly 8 comprising a Positionierein ⁇ integrated 8a and 8b an exchange unit, in which a measurement head is fitted 10b a measuring unit 10th To form a connection between the cash lös ⁇ positioning unit 8a and 8b of the exchange unit is here a Guillemin coupling 9a, 9b.
  • the exchange unit 8b has an inspection window ter 8c and is insertable in a view seen in the positioning unit 8a before ⁇ sleeve 8aa.
  • a different type of detachable connection for example, a Baj onettverInstitut etc.
  • the Lichtwel ⁇ lenleiter 10 a of the measuring unit 10 is connected via a quick coupling on the exchange unit 8 b.
  • FIG. 4 shows the assembly 8 according to FIG. 3, attached to a lance 3a of a device 3 for injecting at least one gas into the furnace 1, or a burner-lance unit.
  • the gas supply 4 At the lance 3a is the gas supply 4 and a mounting plate 3b.
  • the channel K Within the lance 3a is the channel K, which is closed by the optical window 3e to the positioning unit 8a.
  • 5 shows an enlarged detail of FIG 4 in the area of the Be ⁇ assembly. 8
  • FIG 6 shows a burner lances unit 3 comprises at ⁇ order as shown in FIG 4 with lance 3a and 3b assembly 8.
  • the installation- geplatte to the lance 3a is connected in a gastight manner via a further mounting plate at the burner ⁇ 3c therewith.
  • the burner lance unit has at its hot end an outflow ⁇ opening 3d and is connected at its cold end to the assembly 8.
  • the measuring head of the measuring unit is centered to the longitudinal axis A of the burner-lance unit and the channel K (see FIG 1) positioned.
  • FIG. 7 shows a schematically illustrated second device having an only partially shown device 3 for injecting at least one gas in the furnace 1 or burner lances unit and an assembly comprising a positio ⁇ nierappel 8a with a rotatable turret 8ab.
  • the positio ⁇ nierappel 8a includes a cuff at the burner 8ad Lance unit, about which about a rotational axis 8ac rotatable by means of a drive motor 15 rotatable turret 8ab fixed to the burner-lance unit and is positioned relative to the channel K ⁇ .
  • a number of sleeves 8aa in the turret 8ab are used for receiving and positioning exchange units 8b, each equipped with measuring heads of one or more measuring units 10.
  • each sleeve 8aa can be equipped with an identical exchange unit 8b including measuring head, so that in a registered by the control and Reg ⁇ treatment device 11 defect of the currently centered on the longitudinal axis A measuring head only the turret 8ab must be rotated by means of the drive motor 15 such that another sleeve 8aa and thus other exchange unit 8b to the longitudinal axis A is centered.
  • a Umstecken the Lichtwel ⁇ lenleiters 10 a in the other exchange unit 8 b can be ⁇ example by means of a robot 13 (see FIG 2) follow.
  • a measuring head connected to a measuring unit 10 may be located in each of the sleeves 8aa.
  • a complete measuring unit 10 may be located in each exchange unit 8b.
  • the same or different measuring units 10 or measuring heads 10b can be used in the exchangeable units 8b.
  • the positioning ⁇ unit 8a comprises a sleeve 8ad fixed to the burner lance unit 8ae the slide system on the burner lance unit and positioned opposite the channel K.
  • each of the measuring head, the longitudinal axis A of the burner ner lances unit is positioned centered, the ge ⁇ desired measured quantities, such as temperature, hearing ⁇ sound, impact sound, chemical analysis gives etc.
  • each sleeve 8aa equipped with an identical change unit 8b inclu- sive measuring head or measuring unit be, so that in egg ⁇ nem registered by the control and regulating device 11 defect of the currently centered on the longitudinal axis A measuring le ⁇ diglich the slide must be moved by means of the drive motor 15 'such that another sleeve 8aa and thus other exchange unit 8b for Longitudinal axis A is centered.
  • each of the sleeves 8aa may be located a measuring head, which is connected to a measuring unit 10, or are also a complete measuring unit. In this case, can be used in the exchange units 8b are identical or different ⁇ Liche measuring units or measuring heads.
  • the device of the invention can be carried out by the skilled artisan knows ⁇ teres feed tubes and single burner units without lance function lances units without a recorder function or simple gas, although FIG 1 to 8 show only devices with burner lances units. Also, the device can be used not only for the metallurgical furnaces shown by way of example in FIGS. 1 and 2, but also, for example, to glass melting tanks or other types of furnaces equipped with means for injecting at least one gas into the furnace.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

L'invention concerne un dispositif de détection d'au moins une valeur de mesure sur un four (1), en particulier un four à arc, le dispositif comprenant : au moins un dispositif (3) destiné à injecter au moins un gaz dans le four (1) ; au moins une unité de mesure (10) destinée à détecter la ou les valeurs de mesure ; et au moins un module (8) destiné à positionner l'unité ou les unités de mesure (10) par rapport à une extrémité froide du ou des dispositifs (3) destinés à injecter au moins un gaz dans le four (1), le ou les modules (8) comprenant au moins une unité de positionnement (8a) et au moins une unité d'échange (8b) conçue pour établir une liaison amovible avec l'unité ou les unités de positionnement (8a), et l'unité ou les unités de positionnement (8a) étant disposées sur le ou les dispositifs (3) destinés à injecter au moins un gaz dans le four (1) et l'unité ou les unités d'échange (8b) étant conçues pour loger au moins une sonde (10b) de l'unité ou des unités de mesure (10). L'invention concerne en outre un four (1) comprenant au moins un dispositif de ce type.
PCT/EP2011/050318 2010-02-08 2011-01-12 Dispositif de détection d'au moins une valeur de mesure sur un four, et four WO2011095377A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2011900003211U CN202955962U (zh) 2010-02-08 2011-01-12 用于获得熔炉上的至少一个测量值的装置以及熔炉
RU2012138536/02U RU127878U1 (ru) 2010-02-08 2011-01-12 Устройство для замера по меньшей мере одной измеряемой величины на печи, а также печь
MX2012009156A MX2012009156A (es) 2010-02-08 2011-01-12 Dispositivo para captar al menos una magnitud medida en un horno, asi como el horno.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010001669.1 2010-02-08
DE102010001669A DE102010001669A1 (de) 2010-02-08 2010-02-08 Vorrichtung zur Erfassung mindestens einer Messgröße an einem Ofen, sowie Ofen

Publications (1)

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WO2011095377A1 true WO2011095377A1 (fr) 2011-08-11

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CN (1) CN202955962U (fr)
DE (2) DE102010001669A1 (fr)
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WO2016026530A1 (fr) * 2014-08-21 2016-02-25 Abb Technology Ltd Système et procédé de détermination de température d'un métal en fusion dans un four à arc électrique

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DE102012022911B4 (de) * 2012-11-23 2019-02-28 Abp Induction Systems Gmbh Vorrichtung zum Entfernen von Schlacke
DE102012112737A1 (de) * 2012-12-20 2014-04-03 Conti Temic Microelectronic Gmbh Sensoranordnung und Verfahren zur Herstellung einer Sensoranordnung
EP2824408A1 (fr) * 2013-07-12 2015-01-14 Siemens Aktiengesellschaft Procédé de commande ou de régulation d'un four à arc électrique
DE202014011132U1 (de) * 2013-07-23 2018-01-17 SAUKE.SEMRAU GmbH Schmelzofen
EP3831510A1 (fr) * 2019-12-03 2021-06-09 Primetals Technologies Austria GmbH Dispositif transpondeur dans l'élément d'une installation métallurgique
DE102020215076A1 (de) * 2020-11-30 2022-06-02 Sms Group Gmbh Verfahren zur Behandlung von Metallschmelzen und/oder Schlacken in metallurgischen Bädern sowie metallurgische Anlage zur Behandlung von Metallschmelzen

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CN202955962U (zh) 2013-05-29
MX2012009156A (es) 2012-10-01
RU127878U1 (ru) 2013-05-10
DE102010001669A1 (de) 2011-08-11
DE202010017729U1 (de) 2012-07-27

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