WO2011094775A1 - Vorrichtung und verfahren zum wärmebehandeln von stahldrähten - Google Patents
Vorrichtung und verfahren zum wärmebehandeln von stahldrähten Download PDFInfo
- Publication number
- WO2011094775A1 WO2011094775A1 PCT/AT2011/000039 AT2011000039W WO2011094775A1 WO 2011094775 A1 WO2011094775 A1 WO 2011094775A1 AT 2011000039 W AT2011000039 W AT 2011000039W WO 2011094775 A1 WO2011094775 A1 WO 2011094775A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- furnace
- shaft
- module
- water bath
- sections
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
- C21D9/5732—Continuous furnaces for strip or wire with cooling of wires; of rods
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/28—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity for treating continuous lengths of work
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
Definitions
- the invention relates to a furnace for heat treating at least one elongated, in particular metallic article such as one or more wires, in particular steel wires, in a continuous process, comprising a kiln inlet and a kiln outlet and one or more furnace sections which extend between the kiln inlet and the kiln outlet and form a first shaft , wherein in the furnace, in particular in the first shaft, in each case one or more heating elements for adjusting a temperature in the furnace sections or are arranged and wherein the elongated, in particular metallic object along the first shaft is transportable.
- a furnace for heat treating at least one elongated, in particular metallic article such as one or more wires, in particular steel wires
- the invention relates to a module for heat treating at least one elongated, in particular metallic article in the continuous process, such as one or more wires, in particular steel wires, wherein the module has a module inlet and a module outlet and a water bath therebetween and then a holding line with one or more heating devices having.
- the invention relates to a device for heat treating at least one elongated metallic object, such as one or more wires,
- the invention relates to a method for heat treating at least one elongated metallic object, such as one or more wires, in particular steel wires, in a continuous process, wherein the metallic object is passed through a furnace and a subsequent module with a water bath and a holding path to a structure of the set metallic object.
- Continuous flow method in this context means that the at least one elongated metallic object, for example a metallic wire such as a steel wire or a metallic strip such as a steel strip, is withdrawn from an unwinding device and passed through a device for heat treatment.
- the elongated metallic object to be treated be converted into a microstructure which may be particularly suitable for further processing.
- steel wires for example, it is known to perform a heat treatment to obtain steel wires having a pearlitic structure, especially for high carbon steel wires having a carbon content of about more than 0.5 to 1.0 percent by weight.
- a steel wire is first passed through a furnace to austenitise the steel wire and then quenched in a module separate from the furnace to a temperature in the perlite nose region of the structure before the steel wire is maintained at a temperature of about 550 ° C Structure in perlite without the formation of martensite to ensure (EP 0 524 689 A1 or
- Furnaces for austenitizing a steel wire generally have a plurality of heating elements, for example in the form of gas burners, with which a wire, in particular steel wire, possibly also several bundles of parallel steel wires, are heated to or above an austenitizing temperature, so that an adjustment of the Microstructure can be done in the manner described above.
- modules that are used in connection with stoves for austenitizing steel wires have the disadvantage that, in particular for large wire diameters, several water baths must be provided, which are to be switched alternately with air cooling zones, which also has a large length or a considerable space requirement requires. From the disadvantages of the prior art it also follows that a device comprising a combination of a furnace for austenitizing, for example, one or more steel wires and a downstream module for the purpose of structural adjustment, requires a considerable amount of space.
- the object of the invention is to provide a furnace of the type mentioned, which builds shorter than the stoves specified in the prior art and with the in a simple manner an elongated, in particular metallic object such as a steel wire
- Another object of the invention is to provide a module of the type mentioned above, which allows a setting of a desired structure, for example, a steel wire along a short distance, if it has previously been heated to or above an austenitizing temperature.
- a still further object of the invention is to provide a device of the type mentioned, which builds short.
- a desired texture is adjustable.
- the object is achieved in that in a furnace of the type mentioned at least a second, standing with the first shaft shaft and at least one fan is provided, with which an in-furnace atmosphere in the circulation along the first shaft and the second Schachtes is revolvable.
- An advantage achieved with a furnace according to the invention is in particular that it can be used in a short design.
- the first shaft and the second shaft together form a circuit along which the fan provided in the furnace atmosphere or circulating air is continuously circulated feasible. It can For example, in a heat treatment of steel wires, the atmosphere in the same or countercurrent over the steel wires are guided, for example with a
- the heating element or elements may be provided in the first and / or second shaft. In general, it is an efficient warming and targeted hiring of
- An oven according to the invention is preferably used in patenting steel wires for heating the steel wires at or above an austenitizing temperature, but can also be used in other heat treatment methods such as quenching, diffusing or stress relief annealing, optionally followed by suitable auxiliary equipment, for.
- the at least one fan can in principle be positioned at any position of the furnace. It is preferably provided that the fan is arranged closer to the oven outlet than the oven inlet, because a circulation of the oven located
- Atmosphere usually against a transport direction of a material to be treated or is circulated in countercurrent and a temperature load for the fan in the region of the furnace outlet is lower than in the region of the kiln inlet. It is also possible that several fans with several partial circuits for circulation of the
- any heating elements may be provided, for. B. electrical heating elements.
- the heating elements are arranged along the first shaft.
- the heating elements may be gas burners with which normal or transverse to the transport direction of the material to be treated hot
- Combustion gas can be supplied. While the power supply across carried into the first shaft at different positions to the elongated object, is improved by the circulation of the atmosphere at a higher speed, for example, 15 to 25 ms "1 convection, so that a total of a rapid heating of the material to be treated is given.
- the furnace may have at least one exhaust outlet through which excess furnace exhaust air can escape.
- gas burners are provided, they are preferably
- Combustion gases is usable and preferably in addition to the
- Recuperation burners supplied combustion air is preheated to 130 ° C to 250 ° C.
- the furnace advantageously has a device for
- Supplied or gas burners supplied combustible gases can
- one or more furnace sections may be provided, in each of which one or more heating elements are arranged. It is advantageously provided that the furnace has a plurality of furnace sections in which the temperatures can be set separately.
- the background is that, for example, in the case of a heat treatment of steel wires, the steel wires in the area of the kiln inlet are cold and therefore a higher temperature is required in the first kiln section than in the following
- the first shaft has recesses for deflecting the circulated atmosphere.
- the atmosphere in the furnace is circulated not only, for example, in countercurrent to the good carried out, but also takes place selectively a Queranströmung the Guts performed, which favors a rapid warming of the Guts and ultimately a short construction of the furnace.
- the same or similar acting means can be provided. It is possible, for example, to execute the first shaft above and below in cross-section with straight side walls, but at one or more positions to arrange deflecting plates, which ensure similar to the indentations deflecting the circulated atmosphere to the moving or carried Good out. In general, any means are suitable for redirecting the circulated
- the indentations With respect to the indentations, it would in principle be optimal if they had an inflow side angle of about 90 °, which, however, is not practicable in view of the simultaneous circulation of the atmosphere, for example in direct current. However, the desired effects can also be achieved in a practical manner, if the indentations on the inflow side about an angle of 30 ° to 60 °. The same applies if instead of the recesses equal or similar acting means are provided. It is particularly preferred with regard to a not only short, but also low construction, when the first shaft is horizontal and the at least one second shaft is arranged directly below the first shaft. It is understood that the two shafts, as far as they are not directly connected, are separated by an intermediate element, so that a circulation of the atmosphere in a cycle is possible. For example, the two shafts through
- the furnace is preferably designed so that the first shaft and the at least one second shaft in the region of the kiln inlet and the kiln outlet merge into each other, so that the atmosphere in the furnace can be circulated in the circuit. In the remaining areas, the shafts are separated as mentioned.
- manhole should extend at least over 65%, preferably at least over 75%, of the length of the furnace.
- the furnace is used for diffusion processes, it may be expedient that at least the first shaft does not extend to the furnace outlet, but ends before, so that between one end of the first shaft and the furnace outlet still a holding zone with heating elements for subsequent heat treatment can be integrated.
- one or more heat exchangers for utilizing waste heat from the furnace and the recuperation burners are preferably provided.
- the waste heat can be used, for example, for heating drying ovens.
- the gas burners, in particular recuperation burners supplied fresh air can be preheated by means of heat exchangers from the flue gas, z. B. by guiding an acid-resistant supply air duct made of stainless steel in an exhaust outlet or chimney.
- Heat exchange surfaces is possible. Since a gas / air mixture also remains constant during partial load operation in the composition, a ratio of exhaust gas amount to Supply air quantity constant and there are only small shifts in the combustion air temperature and the chimney outlet temperature from the changed flue gas temperature and the Schundbelastung the heat exchanger surface due to the lower flow rate.
- An oven according to the invention may for example be completely or exclusively bricked. However, it is preferred that the furnace is bricked only up to a certain height, but is formed on the head side with a releasably attached panel. This makes it possible to open the oven in case of incidents or service or maintenance and to perform without major problems in the interior of the same work.
- Insulation arranged so that the oven is well insulated against an environment similar to an exclusively brick oven.
- the further object of the invention is achieved by a module of the type mentioned, in which the water bath is variably adjustable in length and the holding distance to the water bath is correspondingly extended or shortened.
- a module according to the invention offers great flexibility, since the water bath can be variably adjusted in length so that the dimensions of a material to be treated can be taken into account or a desired cooling can be set starting from an austenitizing temperature. It has proved to be sufficient even with larger dimensions of steel wires, if only a single water bath is provided, followed by a holding line connects, in which the material to be treated is kept at a certain temperature to the
- the holding path is correspondingly extendable or shortenable to the water bath, so that the material to be treated after leaving the water bath can always be performed in a defined atmosphere.
- the water bath is expediently elongated.
- Trained sections As a result, it is possible, for example, for a plurality of bundles of steel wires of different dimensions to be passed through the module in parallel for the purpose of heat treatment, without having to forego the advantages set out above.
- a plurality of supply lines and optionally at least one discharge line for adjusting a cooling medium can be provided along the length of the water bath or the sections thereof.
- the module is completed and the length of the water bath or the sections thereof from the outside in particular manually adjustable and / or automatically controlled. This makes it possible to change the length of the water bath accordingly when changing a dimensioning of treated material easily.
- the length of the water bath or the sections thereof with individual segments is infinitely or discretely adjustable, wherein a distance of the segments from the module inlet to the module outlet decreases in particular logarithmically. This allows almost any dimensions of
- the further object of the invention is achieved by a device of the type mentioned, comprising a furnace according to the invention and a module according to the invention.
- a device according to the invention comprising a furnace according to the invention and a module according to the invention.
- An advantage achieved with a device according to the invention can be seen in the fact that it builds short or compact and therefore allows, for example, a patenting of steel wires or generally the setting of a desired structure of a property to be treated along a short distance. It is preferably provided that the furnace is connected airtight with the module inlet of the module and its water bath. This ensures that the material to be treated, leaving the oven at a relatively high temperature, does not come into contact with an uncontrolled atmosphere prior to immersion in the water bath.
- a retraction device with reels and at least one band is provided, wherein the at least one band passes through the device and is preferably arranged in a lateral region thereof.
- the band which remains permanently positioned in the device, is advantageously made of a high temperature resistant alloy.
- the further object of the invention is achieved by a method of the type mentioned, in which an atmosphere in the furnace is continuously circulated in a circuit.
- a method according to the invention is particularly advantageous that the convection of the atmosphere in the oven good convection is achieved so that a good to be treated can be heated along a relatively short distance to a desired temperature before the material is immersed in a water bath.
- the atmosphere is circulated at a rate of up to 50 ms "1 , preferably 15 to 25 ms " 1 to the desired
- the atmosphere is circulated in countercurrent to the transport direction of the elongate metallic object. Nevertheless it is provided that the atmosphere is circulated in countercurrent to the transport direction of the elongate metallic object. Nevertheless it is provided.
- the elongate metallic article be in a controlled atmosphere from the oven into the module to prevent unwanted contact with an uncontrolled atmosphere.
- the elongate metallic article is preferably cooled in the water bath by film boiling, as is known per se from the prior art.
- a suitable additive is added to the water bath.
- water or additive is metered in via a metering unit and an associated control circuit in order to keep an additive content in the water bath constant or within predetermined limits while maintaining a constant coolant temperature.
- Fig. 1 is a schematic representation of a furnace in a side view
- FIG. 2 shows a cross section of the furnace according to FIG. 1 normal to its longitudinal axis
- Fig. 3 shows a further embodiment of a furnace
- FIG. 4 shows a cross section of the furnace according to FIG. 3 normal to its longitudinal axis
- FIG. 5 shows a module comprising a water bath and a holding line
- Fig. 6 is a schematic representation of a Einzieh raised in a side view
- FIG. 7 shows a schematic representation of the retraction device according to FIG. 6 in plan view
- FIG. Fig. 8 is a schematic representation of a furnace.
- a first variant of a furnace 1 according to the invention is shown.
- the furnace 1 is elongate and has a kiln inlet 3 or kiln outlet 4 at the end.
- the furnace 1 can be part of a device for heat treatment, in particular patenting, of steel wires.
- the steel wires are introduced in bundles in the region of the kiln inlet 3 and leave the kiln 1 in the region of the kiln outlet 4.
- the kiln 1 comprises a masonry base, which is surrounded on the outside by a housing and carries a structure.
- the structure comprises a further part of
- a first shaft 8 is formed in the lower part of the furnace 1, a first shaft 8 is formed.
- a second shaft 9 is formed in the upper part of the furnace 1 or construction.
- the first shaft 8 and the second shaft 9 extend substantially along an entire length of the furnace 1 and parallel to each other.
- the first shaft 8 and the second shaft 9 are connected to each other so that an atmosphere in the furnace 1 can be circulated in the circulation.
- Steel wires for example, for the purpose of heating on or over a
- Austenitizing be performed by the first shaft 8 and heated in this means not shown by means for heating, are brought along a relatively short distance to the desired temperature.
- the second shaft 9 is as shown in construction and arranged above the first shaft 8. But it is also possible that the second shaft 9 is positioned next to the first shaft 8 or runs outside the enclosure.
- a second preferred variant of a furnace 1 is shown.
- the furnace 1 in turn has a kiln inlet 3 and a furnace outlet 4. Both the kiln inlet 3 and the kiln outlet 4 are closed by an open flap or
- the furnace 1 is elongated and has a plurality of furnace sections 5. In each of
- Oven sections 5 are each a plurality of heating elements 6 in the form of gas burners, in particular recuperation burners provided.
- the gas burners are fed via a central main gas line with a combustible gas and combustion air. Nevertheless, it is also possible that the individual gas burners are fed separately.
- the furnace 1 is formed with a first shaft 8, along which a wire 2 or one or more bundles of wires 2 can be guided.
- suitable wire guides are provided below the first shaft 8, three further, second shafts 9 are arranged. The first shaft 8 is from the second wells 9 along a
- the first shaft 8 is in each case via a rounding in the second wells 9, wherein the curves in the area of a Transport direction R of the wire 2 or optionally one or more bundles of parallel wires 2 are interrupted.
- Substantially given separation of the first shaft 8 from the second shafts 9 can be effected in a simple manner by ceramic elements 14, which extend over a width of the first shaft 8.
- a plurality of first shafts 8 may be provided, which merge into a single second shaft 9 or a plurality of separate second shafts 9. Since the ceramic elements 14 are formed as thin as possible in the rule, a masonry 13 also includes webs, so that the
- the ceramic elements are supported laterally from the masonry 13 and at the same time rest on the webs. This ensures that the ceramic elements 14 can withstand the given mechanical stresses even with a thin design. This also leads to training with three second shafts 9, although only a second shaft 9 may be present. It is also possible that the webs are formed only in sections.
- the masonry 13 extends over the height of the second shaft 8 and carries components 12 which at least partially define the first shaft 8 together with the ceramic elements 14, and a removable insulation 16.
- a releasably attached panel 15 is arranged on the head side .
- the combination of detachably mounted panel 15 in the head-end area and the removable insulation 16 arranged underneath allows the furnace 1 to be opened from above, for example for service or maintenance work, which is not possible with exclusively bricked furnaces.
- a fan 7 is arranged in that end region of the furnace 1, which is adjacent to the Ofenauslass 4. With the fan 7 can be located in the furnace 1 atmosphere along the first
- Shaft 8 and the second shafts 9 are circulated in the circulation, in countercurrent to the transport direction R, as indicated in Fig. 3 by a plurality of arrows.
- the first shaft 8 indentations 10, so that the atmosphere or circulating air
- the furnace 1 is not only designed in a short design, but also highly energy efficient, especially since the first shaft 8 is separated from the second wells 9 only by the ceramic elements 14, which consist for example of cordierite. In addition, since gases can be introduced into the first shaft 8 to z. B. the atmosphere or
- Recuperation burner can be adjusted.
- a so-called low-load operation is possible because even at low loads by the intended
- Circulation of the circulating air sufficient heating of a wire 2 or
- a module 17 can be seen, which has a water bath 18 and a holding section 19, wherein the holding section 19 connects to the water bath 18.
- the module 17 has a module inlet 20 and a module outlet 21, which are each arranged at the end.
- the module inlet 20 closes in a device for patenting
- Water bath 18 dips.
- a crank can be provided on the outside, with which a weir is continuously adjustable.
- the water bath 18 is divided into individual segments, which can be flooded as needed or a required length of a cooling section.
- the water bath 18 has a plurality of parallel, independently controllable sections, wherein each of the sections is variable in length.
- the holding path 19 is formed with a plurality of independently operable holding zones, each comprising one or more heating devices. In the individual holding zones is through the
- Heaters each have a temperature adjustable, for example in the range of 500 ° C to 600 ° C, as may be required for a patenting of steel wires. Surprisingly, it has been found that a single water bath 18 in combination with a holding section 19 with a plurality of temperature-controlled holding zones for a
- the holding path 19 is formed according to a length adjustability of the water bath 18 with correspondingly extendible or shortenable elements. These elements may for example be designed in the form of extendable panels, which also have insulation on the inside. It is also possible that the holding section 19 is partially or completely telescopically extendable at the end adjoining the water bath 18 end. By this constructive measures it is ensured that the wire 2 when leaving the water bath 18 - regardless of a length of the same - is immediately feasible in a temperature-controlled zone without an uncontrolled or uncontrollable gap is given.
- a retracting means 22 which may be provided in connection with an apparatus comprising a furnace 1 and an adjoining module 17, in particular when the apparatus is used for the heat treatment of steel wires.
- the retraction device 22 has two reels 23, 24, on each of which a band 25 is laterally rolled up. Both reels 23, 24 are provided with a motor so that the belts 25 can be moved in one direction or the other as required.
- the entire retractor 22 may be more integral as mentioned
- the bands 25 of the retraction device 22, which extend through the furnace 1 and the module 17, are arranged laterally, in particular laterally in the first shaft 8 in the case of a furnace 1 according to FIG. a module 17 shown in FIG. 5. Since the bands 25 only a small
- the bands 25 are expediently to withstand the high temperatures of a high temperature alloy. Basically, the bands 25 are wound as much as possible on the reel 23. Only one end of the bands 25 is connected to the reel 24 in connection. When starting a production, a so-called preference is attached to the bands 25, with which ultimately the wires 2 can be introduced into the device. The advantage must be transported through the entire device for this purpose by the tapes 25 are wound on the reel 24 with the preference attached thereto. If the preference is passed through the device, the wires 2 can subsequently be pulled in. In this regard, there is still one equipped with a motor Auxiliary winder 26 is provided on the already performed wires 2 or wire bundles can be temporarily wound. The wires 2 are then kept moving until they are welded by the auxiliary winder 26, and disadvantageous wire stops in the furnace 1 can be avoided.
- FIG. 8 shows a further variant of a furnace 1 according to the invention in a highly schematized form.
- the furnace 1 is designed as a diffusion furnace and has one or more fans 7, preferably two fans 7, on. With the fans 7 circulating air is circulated along the first shaft 8 and the two second shafts 9, in countercurrent to a guided through the furnace 1 wire 2.
- the second shafts 9 components are arranged for heating, preferably electric or gas-heated heating elements, z. B. electrical heating coil.
- the furnace 1 is formed on the inlet side with a zone in which the passed wire 2 is vertically applied with a heat medium, so that the wire 2 is brought quickly or along a short distance to temperature. In the subsequent zone of the wire 2 only needs to be kept at temperature, which is achieved by the circulation of the atmosphere with the fans 7.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Tunnel Furnaces (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180008517.XA CN102782164B (zh) | 2010-02-04 | 2011-01-25 | 用于热处理钢丝的装置和方法 |
CA2787403A CA2787403C (en) | 2010-02-04 | 2011-01-25 | Device and method for heat-treating steel wires |
EP11702388.7A EP2531624B1 (de) | 2010-02-04 | 2011-01-25 | Vorrichtung und verfahren zum wärmebehandeln von stahldrähten |
JP2012551438A JP5764833B2 (ja) | 2010-02-04 | 2011-01-25 | 金属部材を熱処理する炉 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA153/2010 | 2010-02-04 | ||
AT0015310A AT509356B1 (de) | 2010-02-04 | 2010-02-04 | Vorrichtung und verfahren zum wärmebehandeln von stahldrähten |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011094775A1 true WO2011094775A1 (de) | 2011-08-11 |
Family
ID=44246394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2011/000039 WO2011094775A1 (de) | 2010-02-04 | 2011-01-25 | Vorrichtung und verfahren zum wärmebehandeln von stahldrähten |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2531624B1 (de) |
JP (2) | JP5764833B2 (de) |
CN (1) | CN102782164B (de) |
AT (1) | AT509356B1 (de) |
CA (1) | CA2787403C (de) |
WO (1) | WO2011094775A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014176620A3 (de) * | 2013-04-29 | 2015-01-22 | Cpa Computer Process Automation Gmbh | Verfahren und vorrichtung zum wärmebehandeln von langprodukten |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107058719A (zh) * | 2016-08-23 | 2017-08-18 | 江苏兴达钢帘线股份有限公司 | 高碳钢丝水浴淬火长度调整装置 |
MX2020011220A (es) * | 2018-11-19 | 2021-02-09 | Lohia Corp Ltd | Aparato y metodo para el tratamiento termico de tiras de tela en movimiento. |
CN115141913A (zh) * | 2022-07-28 | 2022-10-04 | 南通华东特种钢丝有限公司 | 一种钢丝感应式退火线 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB491052A (en) * | 1937-09-17 | 1938-08-25 | Clarence Bon Hoak | Improvements in or relating to furnaces for treating metals |
US3169157A (en) * | 1962-07-17 | 1965-02-09 | Acrometal Products Inc | Annealing oven for continuously moving wire |
EP0216434A1 (de) | 1985-09-27 | 1987-04-01 | N.V. Bekaert S.A. | Verfahren und Vorrichtung zum Behandeln von Stahldrähten |
US4964621A (en) * | 1986-11-27 | 1990-10-23 | Compagnie Generale Des Etablissements Michelin | Apparatus for heat treating a carbon steel wire |
EP0524689A1 (de) | 1991-07-22 | 1993-01-27 | N.V. Bekaert S.A. | Verfahren zum Wärmebehandeln von Stahldraht |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50148309U (de) * | 1974-05-27 | 1975-12-09 | ||
JPS51141705A (en) * | 1975-06-02 | 1976-12-06 | Daido Steel Co Ltd | A method of operating heat treatment furnaces |
BE834316A (fr) * | 1975-10-08 | 1976-02-02 | Dispositif d'obiuration pour chambre de traitement d'elements continus et four-tunnel equipe d'un tel dispositif | |
JPS54110112A (en) * | 1978-02-17 | 1979-08-29 | Sumitomo Electric Ind Ltd | Method and apparatus for heat treatment method of steel rod |
US4177754A (en) * | 1978-05-30 | 1979-12-11 | Fennell Corporation | Apparatus for obtaining bright finish galvanizing coating on wire |
JPS57143440A (en) * | 1981-02-28 | 1982-09-04 | Sumitomo Electric Ind Ltd | Heat treatment of steel wire rod |
JPS6013035Y2 (ja) * | 1981-07-29 | 1985-04-25 | 石川島播磨重工業株式会社 | 熱処理炉 |
JPS5983965U (ja) * | 1982-11-30 | 1984-06-06 | 古河電気工業株式会社 | 線条体の焼鈍炉 |
JPS59232237A (ja) * | 1983-06-14 | 1984-12-27 | Sumitomo Electric Ind Ltd | 金属線の熱処理方法 |
JPS63119657U (de) * | 1987-01-23 | 1988-08-02 | ||
JPH0322267Y2 (de) * | 1987-04-03 | 1991-05-15 | ||
JPH0382716A (ja) * | 1989-08-24 | 1991-04-08 | Nippon Steel Corp | 線材コイルの熱処理方法およびその熱処理炉 |
JPH0623919Y2 (ja) * | 1990-10-25 | 1994-06-22 | 品川白煉瓦株式会社 | 工業窯炉の仕切壁構造 |
JP2919122B2 (ja) * | 1991-07-22 | 1999-07-12 | 古河電気工業株式会社 | 熱風循環式光輝焼鈍装置 |
JPH0987750A (ja) * | 1995-09-21 | 1997-03-31 | Nippon Steel Corp | ストリップの加熱方法および加熱装置 |
JPH09241733A (ja) * | 1996-03-11 | 1997-09-16 | Furukawa Electric Co Ltd:The | 燃焼ガス循環式光輝焼鈍装置 |
BE1014868A3 (fr) * | 2002-06-06 | 2004-05-04 | Four Industriel Belge | Procede et dispositif de patentage de fils d'acier |
-
2010
- 2010-02-04 AT AT0015310A patent/AT509356B1/de not_active IP Right Cessation
-
2011
- 2011-01-25 CN CN201180008517.XA patent/CN102782164B/zh not_active Expired - Fee Related
- 2011-01-25 EP EP11702388.7A patent/EP2531624B1/de active Active
- 2011-01-25 JP JP2012551438A patent/JP5764833B2/ja not_active Expired - Fee Related
- 2011-01-25 WO PCT/AT2011/000039 patent/WO2011094775A1/de active Application Filing
- 2011-01-25 CA CA2787403A patent/CA2787403C/en not_active Expired - Fee Related
-
2015
- 2015-05-26 JP JP2015106578A patent/JP6133359B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB491052A (en) * | 1937-09-17 | 1938-08-25 | Clarence Bon Hoak | Improvements in or relating to furnaces for treating metals |
US3169157A (en) * | 1962-07-17 | 1965-02-09 | Acrometal Products Inc | Annealing oven for continuously moving wire |
EP0216434A1 (de) | 1985-09-27 | 1987-04-01 | N.V. Bekaert S.A. | Verfahren und Vorrichtung zum Behandeln von Stahldrähten |
US4964621A (en) * | 1986-11-27 | 1990-10-23 | Compagnie Generale Des Etablissements Michelin | Apparatus for heat treating a carbon steel wire |
EP0524689A1 (de) | 1991-07-22 | 1993-01-27 | N.V. Bekaert S.A. | Verfahren zum Wärmebehandeln von Stahldraht |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014176620A3 (de) * | 2013-04-29 | 2015-01-22 | Cpa Computer Process Automation Gmbh | Verfahren und vorrichtung zum wärmebehandeln von langprodukten |
Also Published As
Publication number | Publication date |
---|---|
CA2787403A1 (en) | 2011-08-11 |
CA2787403C (en) | 2018-03-13 |
EP2531624B1 (de) | 2020-04-08 |
AT509356B1 (de) | 2011-12-15 |
CN102782164A (zh) | 2012-11-14 |
AT509356A1 (de) | 2011-08-15 |
JP2013518986A (ja) | 2013-05-23 |
JP6133359B2 (ja) | 2017-05-24 |
CN102782164B (zh) | 2014-11-12 |
EP2531624A1 (de) | 2012-12-12 |
JP2015178680A (ja) | 2015-10-08 |
JP5764833B2 (ja) | 2015-08-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AT509356B1 (de) | Vorrichtung und verfahren zum wärmebehandeln von stahldrähten | |
EP2806985A2 (de) | Verfahren und anlage zur herstellung eines metallbandes | |
DD250550A5 (de) | Verfahren und vorrichtung zur waermebehandlung von stahldraehten | |
DE2601658B2 (de) | Kühlvorrichtung für einen an der Ein- und Auslaßseite offenen Durchlaufofen zum Wärmebehandeln von Werkstücken | |
DD149383A5 (de) | Verfahren und vorrichtung zum kontinuierlichen waermebehandeln von vereinzeltem,langgestrecktem metallischem gut | |
DE3832734C1 (de) | ||
EP0179050B1 (de) | Ofen zur Wärmebehandlung von Leichtmetallbarren | |
DE3034528C2 (de) | Verfahren und Vorrichtung zum Abkühlen von warmgewalztem Draht | |
EP0131955B1 (de) | Verfahren zur Wärmebehandlung von zylindrischen Gegenständen, insbesondere Röhren, insbesondere aus keramischem Material, und Durchlaufofen zur Durchführung des Verfahrens | |
DE3627941A1 (de) | Waermebehandlungsvorrichtung mit wirbelbettofen | |
DE3118830A1 (de) | "anlage zur lackdrahtherstellung im inlineverfahren" | |
DE2512485C3 (de) | Verfahren zum Brennen von keramischen Gegenständen im Brennraum eines intermittierenden Ofens und Brennofen zur Durchführung des Verfahrens | |
AT524369B1 (de) | Vertikalofen zur kontinuierlichen Wärmebehandlung eines Metallbandes | |
AT524062B1 (de) | Vorrichtung und verfahren zur waermebehandlung eines metallbandes | |
AT390322B (de) | Vorrichtung zum durchwaermen von stahlteilen | |
DE2636639C2 (de) | Ofen zur Wärmebehandlung von Metallbändern | |
DE102015009194A1 (de) | Vorrichtung und Verfahren zum Wiedererwärmen metallischer Produkte | |
DE1082015B (de) | Kuehlofen fuer Glas | |
AT359103B (de) | Ofen und verfahren fuer die hitzebehandlung von metallstreifen | |
DE2349765A1 (de) | Verfahren und einrichtung zur waermebehandlung von zu behandelndem gut, insbesondere aus aluminium- oder magnesiumlegierungen | |
EP1270088A2 (de) | Verfahren und Vorrichtung zum Trocknen und/oder Einbrennen einer auf ein metallisches Band aufgebrachten Beschichtung | |
DD205188A1 (de) | Einrichtung zur gesteuerten abkuehlung von warm gewalztem stahldraht | |
DE1187811B (de) | Ofen und Verfahren zum Gluehen und Kuehlen, insbesondere von Aluminiumbaendern, unter Schutzgas | |
DE1263792B (de) | Durchlaufbrennofen | |
WO1987004469A1 (en) | Device for heating simultaneously one or several steel cables |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180008517.X Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11702388 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012551438 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011702388 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1751/MUMNP/2012 Country of ref document: IN |
|
ENP | Entry into the national phase |
Ref document number: 2787403 Country of ref document: CA |
|
NENP | Non-entry into the national phase |
Ref country code: DE |