EP1160342B1 - Procédé de mise en sécurisation d'une enceinte de traitement thermique fonctionnant sous atmosphère contrôlée - Google Patents
Procédé de mise en sécurisation d'une enceinte de traitement thermique fonctionnant sous atmosphère contrôlée Download PDFInfo
- Publication number
- EP1160342B1 EP1160342B1 EP01400953A EP01400953A EP1160342B1 EP 1160342 B1 EP1160342 B1 EP 1160342B1 EP 01400953 A EP01400953 A EP 01400953A EP 01400953 A EP01400953 A EP 01400953A EP 1160342 B1 EP1160342 B1 EP 1160342B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- atmosphere
- chamber
- installation
- rapid cooling
- zone
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 29
- 238000004320 controlled atmosphere Methods 0.000 title description 5
- 238000009434 installation Methods 0.000 claims description 54
- 238000001816 cooling Methods 0.000 claims description 47
- 239000001257 hydrogen Substances 0.000 claims description 47
- 229910052739 hydrogen Inorganic materials 0.000 claims description 47
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 44
- 238000010438 heat treatment Methods 0.000 claims description 28
- 239000007789 gas Substances 0.000 claims description 27
- 238000011144 upstream manufacturing Methods 0.000 claims description 21
- 238000010790 dilution Methods 0.000 claims description 12
- 239000012895 dilution Substances 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000007664 blowing Methods 0.000 description 6
- 238000011282 treatment Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241001249696 Senna alexandrina Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 229940082150 encore Drugs 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- 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
- C21D9/562—Details
- C21D9/565—Sealing arrangements
-
- 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
Definitions
- the present invention relates to a method for securing a heat treatment chamber operating under controlled atmosphere. It aims more particularly a method of securing an enclosure of treatment operating under a high-grade atmosphere in hydrogen.
- it also relates to a heat treatment plant such as in particular speakers encountered in the field of vertical furnaces heat treatments or tape coatings continuous metal.
- Continuous heat treatment furnaces such as example the annealing or coating furnaces are composed one or more of the following zones: preheating, heating, maintaining, slow cooling and cooling fast.
- Each of these areas allows you to heat, maintain the temperature of the belt or cool it according to slopes heating and cooling and precise times defined by the metallurgical treatment cycle corresponding to the material to be treated.
- the increase in performance of the cooling zones requires the use of an atmosphere with a high hydrogen content, up to 100%, in order to achieve a large increase in exchange coefficient able to generate slopes of cooling of the order of 80 to 200 ° C / second or more for a 0.8 mm thick strip compatible with processing cycles to get at the nominal speed of the line.
- WO 99/50464 provides for balancing the pressures between the rapid cooling zone and a airlock compartment.
- a sheath can be provided between upstream and downstream parts of the rapid cooling zone. In such an installation, the flow rates of gas through sas are not well controlled.
- the method of securing a security heat treatment chamber operating under atmosphere of gas said chamber comprising a chamber of rapid cooling of a metal strip moving from an upstream chamber to a downstream chamber through a plurality of guide rollers, is characterized in that the band is confined within the enclosure of rapid cooling using at least one sheath pressure balancing device and a plurality of airlocks between the different rooms, in that we balance the pressures between the entrance and exit of the chamber of rapid cooling and in that one balances the pressures of gas atmospheres between the upstream chamber and the downstream chamber using at least one balancing sleeve of pressure, by controlling the flow rates of gas through said airlock by means of recycling conveying the atmosphere extracted from the rapid cooling chamber to a zone of rejection and / or to a dilution zone.
- An installation for the implementation of the process is characterized in that it comprises a balancing sleeve of pressure between the entrance and exit of the chamber of rapid cooling and means of recycling the atmosphere extracted from the rapid cooling chamber to a reject zone and / or to a dilution zone.
- this installation includes a vertical furnace continuous movement of a metal strip 1 running from a upstream chamber 2 to a downstream chamber 7 on rolls of guidance 3.
- a rapid cooling chamber is represented by 5, it is equipped with cooling devices by gas blowing on the tape according to the state of the art (no represented in the figure).
- the rapid cooling chamber 5 is separated from upstream and downstream chambers 7 by means of sealing devices 4a and 4b such as sas, shutters, roller locks, blades gases or others according to known technologies.
- sealing devices 4a and 4b such as sas, shutters, roller locks, blades gases or others according to known technologies.
- this is to confine a portion of tape that is intended to undergo a heat treatment, such as in particular a rapid cooling in a sheath 6.
- This sheath 6 is positioned within the rapid cooling chamber 5 and is filled with a controlled atmosphere with a high content of hydrogen.
- the sheath 6 located in the cooling chamber 5 also provides communication between rooms 2 and 7 to balance the pressures.
- the high hydrogen content of this leak can be diluted in the atmosphere of rooms 2 and 7 by behaving like a supplement of hydrogen for these rooms.
- the pressures and hydrogen contents of chambers 2, 5, 6 and 7 are controlled by sensors and a device regulating which adjusts the additions in atmosphere, so to maintain these pressures and the compositions of different atmospheres of different rooms to their values required.
- this installation differs from that shown in Figure 1 by the does that room 5 fast cooling and that is subjected to a gas-controlled atmosphere, incorporates into the once a strand up and a strand down the strip metallic.
- This configuration requires placing locks 4a and 4b in the same altitude so that the gas pressures upstream and downstream of the airlock, be identical (same mass of the column gas).
- the cooling equipment is spread over one or two strands or heating equipment - different or complementary cooling are implemented on the second strand of the band.
- a sheath 6 encompasses the containment chamber 5 conforming around this last an envelope, which is connected to both rooms 2 and 7. This sheath 6 thus allows the setting in communication atmospheres prevailing in these rooms and participates in the balancing of the pressures.
- Part 9 located substantially in the center of the installation and in the upper part of the sheath 8, is particularly reserved for the installation of blowing equipment on the band (ducts, control valves ). If the construction allow it, this part can be deleted, room 5 can then be performed as shown in Figure 3.
- this installation includes a vertical furnace continuous movement of a metal strip 1 running from a upstream chamber 2 to a downstream chamber 7 on rolls of guidance 3.
- a rapid cooling chamber is represented by 5, it is equipped with cooling devices by gas blowing on the tape according to the state of the art (no represented in the figure).
- the rapid cooling chamber 5 is separated from upstream and downstream chambers 7 by means of sealing devices 4a and 4b such as sas, shutters, roller locks, blades gases or others according to known technologies.
- sealing devices 4a and 4b such as sas, shutters, roller locks, blades gases or others according to known technologies.
- the airlock chambers 4a and 4b are arranged horizontally, respectively in upstream and downstream of the rapid cooling chamber 5, and allow to delimit in a direction substantially horizontal, a sheath 6 which puts in communication the adjacent rooms 2 and 7, thereby participating, as for the previous embodiments, to the balancing of the gas pressures prevailing in these chambers.
- the rising and falling strands of the band can to be united in a single room as represented on the figure 3.
- this installation shall include means enabling the securing the atmosphere of the cooling chamber high hydrogen content.
- this installation has three sheaths balancing the pressures between different points of the rooms of the treatment line.
- the high hydrogen content chamber 5 is equipped with a first balancing sleeve 8 in order to maintain the same pressure at the isolation locks 4a and 4b.
- a second balancing sleeve 10 makes it possible to maintain the pressures of at the same level.
- a third balancing sleeve 6 makes it possible to maintain upstream and downstream chamber pressures 2 and the same level, and allows the free movement of gas between these upstream and downstream zones without disturbing the airlock pressure and the high-grade chamber hydrogen 5.
- Atmosphere racking points may be carried out in each of the zones or in the pressure balancing sleeves, to allow the evacuation of a parasitic flow between two zones which could disrupt the atmosphere.
- the extraction of a flow of atmosphere from the chamber to high hydrogen content can be processed outside the line or be used directly in this line after nitrogen injection to recreate a low-grade atmosphere in hydrogen. This process makes it possible to limit important, the total consumption of the hydrogen line.
- this installation is similar in design to that represented in Figure 5 (it has three sheaths pressure balance), but differs in that it includes means for carrying out a recycling of the atmosphere extracted from the high-grade chamber hydrogen.
- First conduits 11a and 11b are connected to points extraction in a high hydrogen atmosphere, preferably located in the vicinity of locks 4a and 4b. of the extraction devices, for example fans 12a and 12b, convey said atmosphere and direct it through second conduits 16a and 16b, ie to a rejection zone 13a or 13b outside the facility, either to a dilution zone 14a, 14b, with a make-up gas mixture (including nitrogen), in order to obtain an atmosphere whose hydrogen content is lowered to a value corresponding to the hydrogen content of upstream 2 and downstream 7 zones, within of which these diluted gas injection points are made at 15a and 15b.
- a make-up gas mixture including nitrogen
- these gas recycling means can be adapted to collect high atmospheric flow hydrogen content at different points in chamber 5 or airlock 4a and 4b, in order to limit the exchanges of atmospheres between chamber 5 and adjacent chambers 2, 7.
- the airlock 4a and 4b and their pressure balancing sleeve 6 have been extended up to dial this equalizer room 17, the latter being, on the one hand, separated from the chamber high hydrogen content by airlock 19a and 19b, and on the other hand of the upstream chamber 2 by the airlock 18a and the downstream chamber 7 by the airlock 18b.
- a balancing sleeve of pressure 6 brings together these upstream and downstream chambers.
- the volume of the chamber 17 makes it possible to dampen the variations of pressure between the chamber 5 and the upstream and downstream chambers 2 7, and compensate for these pressure variations with the aid of a injection of atmosphere or extraction means.
- a seventh embodiment of an installation of heat treatment for carrying out the process object of the invention in the case where the chamber under atmosphere with a high concentration of hydrogen is located at the end of the line and where there is no other room downstream.
- This installation is overall similar to the sixth solution (see Figure 7) and differs from the fact that the downstream chamber is deleted, the output of band 21 is located in the enclosure 2 to keep it away from the strong zone hydrogen concentration.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Furnace Details (AREA)
Description
- durant le fonctionnement nominal ou stabilisé de la ligne,
- durant les changements de vitesse de ligne ou de format de bande ou lors d'incidents tels que par exemple arrêt de ligne ou casse de bande.
- la figure 1 est une vue en coupe et en élévation latérale d'une installation de traitement thermique;
- la figure 2 est une vue en coupe et en élévation latérale d'un deuxième mode de réalisation d'une installation de traitement thermique;
- la figure 3 est une vue en coupe et en élévation latérale d'un troisième mode de réalisation d'une installation de traitement thermique;
- la figure 4 est une vue en coupe et en élévation latérale d'un quatrième mode de réalisation d'une installation de traitement thermique;
- la figure 5 est une vue en coupe et en élévation latérale d'un cinquième mode de réalisation d'une installation de traitement thermique;
- la figure 6 est une vue en coupe et en élévation latérale d'un sixième mode de réalisation d'une installation de traitement thermique mettant en oeuvre le procédé objet de l'invention ;
- la figure 7 est une vue en coupe et en élévation latérale d'un septième mode de réalisation d'une installation de traitement thermique mettant en oeuvre le procédé objet de l'invention et
- la figure 8 est une vue similaire à la figure 7 représentant une variante de l'invention.
- la récupération des débits soutirés des différents points des zones,
- leur dilution à une basse teneur en hydrogène pour leur réintroduction dans les autres zones de l'installation.
- la séparation d'une chambre à haute teneur en hydrogène des chambres adjacentes permet de limiter les circulations ou pollutions d'atmosphères entre ces différentes chambres par la mise en place de gaines d'équilibrage de pression ;
- la récupération des débits extraits en différents points de l'installation lors des variations de régime de la ligne ou lors des incidents de production, permet de ré-injecter ces débits dans la ligne, limitant ainsi la consommation des différents types d'atmosphères de l'installation ;
- la possibilité, en raison du meilleur contrôle de l'isolement de la chambre sous haute teneur en hydrogène, d'utiliser des pourcentages de H2 supérieurs à 50 %, de préférence 75 %, permettant ainsi d'améliorer les coefficients d'échanges et d'obtenir des pentes de refroidissement non encore atteintes par les installations connues de l'état antérieur de la technique ;
- la réduction du coût de traitement de la bande obtenue par la réduction de la consommation d'hydrogène de la ligne ;
- la compensation des différences de pression dans les chambres lors des incidents de production conduit à une réduction des pollutions des atmosphères des différentes chambres de la ligne ;
- la meilleure qualité du produit traité par la conservation des coefficients d'échange gaz / bandes dans les différentes chambres provient de la conservation des concentrations en hydrogène des différentes zones de la ligne ;
- la suppression de la centrale de mélange d'atmosphère remplacée par des unités de mélange situées sur l'installation conduit à la recirculation des débits à haute teneur en hydrogène extraits des dispositifs d'étanchéité de la zone 5, et à leur dilution avant ré-injection dans les différentes zones de l'installation.
Claims (11)
- Procédé de mise en sécurisation d'une enceinte de traitement thermique fonctionnant sous atmosphère de gaz, ladite enceinte comprenant une chambre de refroidissement rapide (5) d'une bande métallique (1) défilant à partir d'une chambre amont (2) vers une chambre aval (7) grâce à une pluralité de rouleaux de guidage (3), on confine ladite bande (1) au sein de l'enceinte de refroidissement rapide (5) à l'aide d'au moins une gaine (6, 8, 10) d'équilibrage de pression et d'une pluralité de sas (4a, 4b, 18a, 18b) placés entre les différentes chambres, en ce que l'on équilibre les pressions entre l'entrée et la sortie de la chambre de refroidissement rapide et en ce que l'on équilibre les pressions des atmosphères de gaz entre la chambre amont et la chambre aval à l'aide d'au moins une gaine d'équilibrage de pression (6), caractérisé en ce que l'on contrôle les débits de gaz au travers desdits sas (4a, 4b, 18a, 18b) par des moyens de recyclage (12, 12a, 12b) véhiculant l'atmosphère extraite de la chambre de refroidissement rapide vers une zone de rejet (13, 13a, 13b) et/ou vers une zone de dilution (14, 14a, 14b).
- Procédé selon la revendication 1, caractérisé en ce que l'on procède à un recyclage de l'atmosphère extraite de la chambre (5) de refroidissement rapide, au niveau de points d'extraction situés au voisinage des sas (4a, 4b, 18a, 18b), par le biais de conduites (11, 11a, 11b, 16, 16a, 16b) dirigeant l'atmosphère extraite vers une zone de rejet (13, 13a, 13b) à l'extérieur de l'installation.
- Procédé selon la revendication 1, caractérisé en ce que l'on procède à un recyclage de l'atmosphère extraite de la chambre (5) de refroidissement rapide, au niveau de points d'extraction situés au voisinage des sas (4a, 4b, 18a, 18b), par le biais de conduites (11, 11a, 11b, 16, 16a, 16b) dirigeant l'atmosphère extraite vers une zone de dilution (14, 14a, 14b) avec un mélange d'appoint de gaz afin d'obtenir une atmosphère dont la teneur notamment en hydrogène est abaissée à la valeur correspondante à la teneur en hydrogène des zones amont (2) et aval (7).
- Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'on injecte les débits récupérés en différents points des zones amont (2) ou aval (7) de l'installation, afin de maintenir leurs pressions constantes et limiter les débits d'appoint d'atmosphère à injecter dans l'installation.
- Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'on collecte le débit d'atmosphère à haute teneur en hydrogène en différents points de la chambre (5) ou des sas (4a, 4b, 18a, 18b) afin de limiter les échanges d'atmosphères entre la chambre (5) et les chambres adjacentes (2, 7).
- Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'on contrôle les pressions et les teneurs en hydrogène des chambres (2, 5, 6, 7, et 17) et en ce que l'on ajuste les appoints en atmosphère, de manière à maintenir ces pressions et les compositions des différentes atmosphères desdites chambres à leurs valeurs requises.
- Installation pour la mise en oeuvre du procédé selon l'une quelconque des revendications 1 à 6, caractérisée en ce qu'elle comporte une gaine d'équilibrage de pression (6) entre l'entrée et la sortie de la chambre de refroidissement rapide (5) et des moyens de recyclage (12, 12a, 12b) véhiculant l'atmosphère extraite de la chambre de refroidissement rapide vers une zone de rejet et/ou vers une zone de dilution.
- Installation selon la revendication 7, caractérisée en ce qu'elle comporte une gaine d'équilibrage de pression (8) entre le sas (4a) situé en entrée de la chambre de refroidissement rapide (5) et le sas (4b) situé en sortie de ladite chambre (5).
- Installation selon l'une des revendications 7 ou 8, caractérisée en ce qu'elle comporte une gaine d'équilibrage (10) entre les sas (4a, 4b).
- Installation selon l'une quelconque des revendications 7 à 9, caractérisée en ce qu'elle comporte des capteurs pour contrôler les pressions et les teneurs en hydrogène des chambres (2, 5, 6, 7 et 17) et un dispositif de régulation pour ajuster les appoints en atmosphère, de manière à maintenir ces pressions et les compositions des différentes atmosphères des différentes chambres à leurs valeurs requises.
- Installation selon la revendication 7 caractérisée en ce que les sas (4a,4b) et leur gaine d'équilibrage de pression (6) ont été étendus jusqu'à composer une chambre d'égalisation (17).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0006708 | 2000-05-25 | ||
| FR0006708A FR2809418B1 (fr) | 2000-05-25 | 2000-05-25 | Procede de mise en securisation d'une enceinte de traitement thermique fonctionnant sous atmosphere controlee |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1160342A1 EP1160342A1 (fr) | 2001-12-05 |
| EP1160342B1 true EP1160342B1 (fr) | 2005-10-19 |
Family
ID=8850619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01400953A Expired - Lifetime EP1160342B1 (fr) | 2000-05-25 | 2001-04-12 | Procédé de mise en sécurisation d'une enceinte de traitement thermique fonctionnant sous atmosphère contrôlée |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6547898B2 (fr) |
| EP (1) | EP1160342B1 (fr) |
| JP (1) | JP4988096B2 (fr) |
| KR (1) | KR100756589B1 (fr) |
| CN (1) | CN1249256C (fr) |
| DE (2) | DE1160342T1 (fr) |
| ES (1) | ES2165342T3 (fr) |
| FR (1) | FR2809418B1 (fr) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1014880A4 (fr) * | 2002-06-14 | 2004-05-04 | Ct Rech Metallurgiques Asbl | Gestion des flux de gaz dans une section reactive. |
| FR2903122B1 (fr) * | 2006-06-30 | 2008-09-12 | Stein Heurtey | Dispositif de securisation d'un four equipe d'un chauffage et d'un refroidissement rapides fonctionnant sous atmosphere controlee. |
| CN101354090B (zh) * | 2007-07-25 | 2012-08-22 | 阿旺泰克西班牙公司 | 用于液化气体调节组件的阀 |
| FR3014447B1 (fr) | 2013-12-05 | 2016-02-05 | Fives Stein | Procede et installation de traitement thermique en continu d'une bande d'acier |
| EP2915887B1 (fr) * | 2014-03-03 | 2019-07-24 | Acciai Speciali Terni S.p.A. | Appareil pour traitment d'une bande métallique dans une ligne de recuit verticale |
| KR101717960B1 (ko) | 2016-03-03 | 2017-03-20 | (주)나우이엔씨 | 강판의 연속 열처리로용 분위기 가스 실링 장치 |
| WO2017175311A1 (fr) | 2016-04-05 | 2017-10-12 | 新日鐵住金株式会社 | Installation de refroidissement dans un four de recuit continu |
| US11993823B2 (en) | 2016-05-10 | 2024-05-28 | United States Steel Corporation | High strength annealed steel products and annealing processes for making the same |
| US11560606B2 (en) | 2016-05-10 | 2023-01-24 | United States Steel Corporation | Methods of producing continuously cast hot rolled high strength steel sheet products |
| EP3455068A1 (fr) | 2016-05-10 | 2019-03-20 | United States Steel Corporation | Produits d'acier à haute résistance et procédés de recuit pour fabriquer ceux-ci |
| EP3966355A1 (fr) | 2019-05-07 | 2022-03-16 | United States Steel Corporation | Procédés de production de produits en tôle d'acier à haute résistance laminés à chaud coulés en continu |
| BR112022001335A2 (pt) | 2019-08-07 | 2022-03-22 | United States Steel Corp | Produto de chapa de aço de têmpera e separação, e, método para produzir produto de chapa de aço de têmpera e separação |
| BR112022003136A2 (pt) | 2019-08-19 | 2022-05-17 | United States Steel Corp | Produto de chapa de aço laminado de alta resistência, e, método para produzir um produto de chapa de aço laminado de alta resistência |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1987577A (en) * | 1931-11-25 | 1935-01-08 | Gen Electric | Apparatus for the thermic treatment of metal wires, filaments, bands, or the like |
| US2534973A (en) * | 1949-03-02 | 1950-12-19 | Gen Electric | Cooling apparatus |
| US3158507A (en) * | 1960-01-11 | 1964-11-24 | Continental Can Co | Floating roller seal |
| DE3733884A1 (de) * | 1987-10-07 | 1989-04-27 | Linde Ag | Verfahren zum gluehen von metallteilen in durchlaufoefen |
| JP2520507B2 (ja) * | 1990-07-12 | 1996-07-31 | 新日本製鐵株式会社 | ステンレス鋼帯の連続光輝焼鈍方法 |
| FR2746112B1 (fr) * | 1996-03-13 | 1998-06-05 | Procede de traitement thermique en continu de bandes metalliques dans des atmospheres de nature differente | |
| FR2769696B1 (fr) * | 1997-10-15 | 1999-12-31 | Stein Heurtey | Systeme de securite pour fours a refroidissement rapide de bandes metalliques |
| JP4156065B2 (ja) * | 1998-02-24 | 2008-09-24 | 日新製鋼株式会社 | 金属帯用連続還元性雰囲気焼鈍装置および方法 |
| JP3572983B2 (ja) * | 1998-03-26 | 2004-10-06 | Jfeスチール株式会社 | 連続熱処理炉ならびに連続熱処理炉における冷却方法 |
| EP1069193B1 (fr) * | 1998-03-26 | 2004-07-21 | JFE Steel Corporation | Procede de regulation du gaz athmospherique et de la tension dans un four de traitement de bande metallique |
-
2000
- 2000-05-25 FR FR0006708A patent/FR2809418B1/fr not_active Expired - Lifetime
-
2001
- 2001-04-12 ES ES01400953T patent/ES2165342T3/es not_active Expired - Lifetime
- 2001-04-12 DE DE1160342T patent/DE1160342T1/de active Pending
- 2001-04-12 DE DE60114085T patent/DE60114085T2/de not_active Expired - Lifetime
- 2001-04-12 EP EP01400953A patent/EP1160342B1/fr not_active Expired - Lifetime
- 2001-05-15 US US09/854,520 patent/US6547898B2/en not_active Expired - Lifetime
- 2001-05-24 KR KR1020010028595A patent/KR100756589B1/ko not_active Expired - Fee Related
- 2001-05-25 JP JP2001156293A patent/JP4988096B2/ja not_active Expired - Fee Related
- 2001-05-25 CN CNB01118972XA patent/CN1249256C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20010045024A1 (en) | 2001-11-29 |
| CN1327144A (zh) | 2001-12-19 |
| US6547898B2 (en) | 2003-04-15 |
| KR100756589B1 (ko) | 2007-09-10 |
| DE1160342T1 (de) | 2002-05-23 |
| FR2809418A1 (fr) | 2001-11-30 |
| CN1249256C (zh) | 2006-04-05 |
| FR2809418B1 (fr) | 2003-05-16 |
| EP1160342A1 (fr) | 2001-12-05 |
| KR20010107710A (ko) | 2001-12-07 |
| ES2165342T3 (es) | 2006-03-01 |
| JP4988096B2 (ja) | 2012-08-01 |
| DE60114085T2 (de) | 2006-07-13 |
| DE60114085D1 (de) | 2005-11-24 |
| JP2002003954A (ja) | 2002-01-09 |
| ES2165342T1 (es) | 2002-03-16 |
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