CN105765086B - 退火炉和对钢绞线退火的方法 - Google Patents

退火炉和对钢绞线退火的方法 Download PDF

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Publication number
CN105765086B
CN105765086B CN201480063241.9A CN201480063241A CN105765086B CN 105765086 B CN105765086 B CN 105765086B CN 201480063241 A CN201480063241 A CN 201480063241A CN 105765086 B CN105765086 B CN 105765086B
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strand
annealing furnace
cooling
gas
cooling device
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CN105765086A (zh
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托马斯·弗罗伯泽
克里斯托弗·赫德瓦尔
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Heruimai Co ltd
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Sandvik Materials Technology Deutschland GmbH
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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
    • 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
    • C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
    • 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
    • C21D1/26—Methods of annealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C9/00—Cooling, heating or lubricating drawing 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • 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
    • C21D9/0056—Furnaces through which the charge is moved in a horizontal straight path
    • 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
    • C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
    • 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
    • C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • 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
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/085—Cooling or quenching
    • 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
    • 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
    • F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • 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
    • 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
    • F27D9/00—Cooling of furnaces or of charges therein
    • 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
    • F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F27B2009/124—Cooling
    • F27B2009/126—Cooling involving the circulation of cooling gases, e.g. air
    • 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
    • F27D9/00—Cooling of furnaces or of charges therein
    • F27D2009/0002—Cooling of furnaces
    • F27D2009/0005—Cooling of furnaces the cooling medium being a gas
    • F27D2009/0008—Ways to inject gases against surfaces
    • 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
    • F27D9/00—Cooling of furnaces or of charges therein
    • F27D2009/007—Cooling of charges therein
    • F27D2009/0072—Cooling of charges therein the cooling medium being a gas

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
CN201480063241.9A 2013-12-19 2014-12-10 退火炉和对钢绞线退火的方法 Active CN105765086B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102013114578.7 2013-12-19
DE102013114578.7A DE102013114578A1 (de) 2013-12-19 2013-12-19 Glühofen und Verfahren zum Glühen eines Strangs aus Stahl
PCT/EP2014/077183 WO2015091138A2 (en) 2013-12-19 2014-12-10 Annealing furnace and method for annealing a steel strand

Publications (2)

Publication Number Publication Date
CN105765086A CN105765086A (zh) 2016-07-13
CN105765086B true CN105765086B (zh) 2021-03-30

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US (1) US10400302B2 (https=)
EP (1) EP3084015B1 (https=)
JP (2) JP6860344B2 (https=)
KR (1) KR102360743B1 (https=)
CN (1) CN105765086B (https=)
DE (1) DE102013114578A1 (https=)
ES (1) ES2734358T3 (https=)
WO (1) WO2015091138A2 (https=)

Families Citing this family (10)

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Publication number Priority date Publication date Assignee Title
CN109024020A (zh) * 2018-07-18 2018-12-18 浙锚科技股份有限公司 一种环氧钢绞线多重嵌砂工艺
JP7256371B2 (ja) * 2019-03-14 2023-04-12 日本製鉄株式会社 鋼材の製造方法、及び、焼戻し設備
CN110230063B (zh) * 2019-07-16 2023-12-26 济南瑞通铁路电务有限责任公司 一种高速铁路贯通地线退火钝化生产线
DE102020133779A1 (de) * 2020-12-16 2022-06-23 Sandvik Materials Technology Deutschland Gmbh Hochdruckrohr und Verfahren zu dessen Herstellung
DE102021107670A1 (de) 2021-03-26 2022-09-29 Extrutec Gmbh Heizvorrichtung für ein stangenartiges Werkstück
CN114410952B (zh) * 2022-01-20 2023-09-08 镇江银海科技材料有限公司 一种用于防爆铝箔表面处理的退火装置及其使用方法
CN117248108A (zh) * 2023-09-25 2023-12-19 江苏启航不锈钢精线有限责任公司 一种有效控制冷却速度的不锈钢丝退火用冷却系统
CN117467833A (zh) * 2023-12-28 2024-01-30 尚纬股份有限公司 一种绞合铝合金导体在线连续退火装置及方法
EP4606502A1 (en) * 2024-02-23 2025-08-27 SMS group S.p.A. Continuous, high-temperature slab preheating plant for flat semi-finished steel products
CN118492097B (zh) * 2024-07-18 2024-09-20 山西锦华钢绞线机械制造有限公司 一种钢绞线拉丝冷却装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1215435A (zh) * 1996-04-12 1999-04-28 热技术公司 处理带材用的立式退火炉
CN2758275Y (zh) * 2004-12-23 2006-02-15 严瑞其 不锈钢焊管在线光亮固溶化处理装置
CN102071292A (zh) * 2009-11-19 2011-05-25 艾伯纳工业炉(太仓)有限公司 立式光亮退火炉的冷却装置
CN102373327A (zh) * 2010-08-24 2012-03-14 无锡市新科自动控制研究所 不锈钢带光亮退火炉
CN202808871U (zh) * 2012-09-12 2013-03-20 浙江钢一管业有限公司 焊管在线光亮固熔炉

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602653A (en) * 1948-07-06 1952-07-08 Electric Furnace Co Bright strip annealing apparatus
GB1428030A (en) * 1973-04-11 1976-03-17 Ideal Induction Ltd Annealing furnaces
JPS50148309U (https=) * 1974-05-27 1975-12-09
JPS56150459A (en) * 1980-04-23 1981-11-20 Yamazaki Denki Kogyo Kk Continuous manufacture of coated soft small-size tube
DE3237193C2 (de) 1982-10-05 1985-11-28 Mannesmann AG, 4000 Düsseldorf Verfahren und Vorrichtung zur Wärmebehandlung von Rohren
EP0128734B1 (en) * 1983-06-11 1987-04-15 Nippon Steel Corporation Method for cooling a steel strip in a continuous-annealing furnace
JPS61194119A (ja) * 1985-02-21 1986-08-28 Nippon Steel Corp 連続焼鈍設備における鋼帯冷却方法
JPS6261614A (ja) 1985-09-10 1987-03-18 Aoki Kensetsu:Kk 滅菌フイルタ−
JPH031476Y2 (https=) 1986-05-27 1991-01-17
JPH04183820A (ja) * 1990-11-19 1992-06-30 Nippon Steel Corp 内圧疲労特性の優れたシリンダーチューブ用鋼管の製造方法
JP3362443B2 (ja) * 1993-04-16 2003-01-07 日本鋼管株式会社 連続焼鈍ライン操業方法
JPH07241605A (ja) * 1994-03-02 1995-09-19 Nippon Steel Corp フェライト系ステンレス鋼コイル状鋼管の製造方法
DE69623210T2 (de) * 1995-04-14 2003-04-30 Nippon Steel Corp., Tokio/Tokyo Vorrichtung zur herstellung rostfreier stahlbänder
DE69723608T3 (de) * 1996-04-26 2010-07-01 Nippon Steel Corp. Primärkühlverfahren für das kontinuierliche Glühen von Stahlbändern
JPH11236622A (ja) * 1998-02-25 1999-08-31 Nkk Corp 連続焼鈍炉における鋼帯の冷却方法
DE19860472A1 (de) * 1998-12-28 2000-07-06 Bosch Gmbh Robert Verfahren zum Vergüten von Stahlbändern
SE515593C2 (sv) * 1999-03-01 2001-09-03 Avesta Sheffield Ab Apparat för värmning av ett metallband
US6336980B1 (en) * 1999-05-21 2002-01-08 Danieli Technology, Inc. Method for in-line heat treatment of hot rolled stock
JP2004217974A (ja) * 2003-01-14 2004-08-05 Sumitomo Metal Ind Ltd アルカリ液のリサイクル法
DE102009045640A1 (de) 2009-10-13 2011-04-14 Sandvik Materials Technology Deutschland Gmbh Aufwickelvorrichtung
DE102009052779A1 (de) * 2009-11-11 2011-05-12 Sms Siemag Ag Verfahren und Vorrichtung zum Walzen und Glühen von Edelstahlband
DE102012008804A1 (de) * 2012-05-07 2013-11-07 Linde Aktiengesellschaft Durchlauf-Wärmebehandlungsofen mit gesteigerter Kühlleistung seiner Kühlzone und Verfahren hierzu

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1215435A (zh) * 1996-04-12 1999-04-28 热技术公司 处理带材用的立式退火炉
CN2758275Y (zh) * 2004-12-23 2006-02-15 严瑞其 不锈钢焊管在线光亮固溶化处理装置
CN102071292A (zh) * 2009-11-19 2011-05-25 艾伯纳工业炉(太仓)有限公司 立式光亮退火炉的冷却装置
CN102373327A (zh) * 2010-08-24 2012-03-14 无锡市新科自动控制研究所 不锈钢带光亮退火炉
CN202808871U (zh) * 2012-09-12 2013-03-20 浙江钢一管业有限公司 焊管在线光亮固熔炉

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
吕茂堃.高效带材光亮退火炉.《上海金属(有色分册)》.1988,第9卷(第6期),第17-21页. *
高效带材光亮退火炉;吕茂堃;《上海金属(有色分册)》;19881231;第9卷(第6期);第18页左栏第2-3段、右栏第4段、第19页左栏第1-2段、第20页八设备布置、第21页左栏第1-5段和图3、5 *

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Publication number Publication date
US10400302B2 (en) 2019-09-03
JP2017508872A (ja) 2017-03-30
JP2019206763A (ja) 2019-12-05
CN105765086A (zh) 2016-07-13
DE102013114578A1 (de) 2015-06-25
EP3084015A2 (en) 2016-10-26
ES2734358T3 (es) 2019-12-05
KR20160100960A (ko) 2016-08-24
KR102360743B1 (ko) 2022-02-08
JP6860344B2 (ja) 2021-04-14
US20160326609A1 (en) 2016-11-10
WO2015091138A3 (en) 2015-08-13
EP3084015B1 (en) 2019-04-24
WO2015091138A2 (en) 2015-06-25

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Patentee after: Heruimai Co.,Ltd.

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Patentee before: SANDVIK MATERIALS TECHNOLOGY DEUTSCHLAND GmbH

Country or region before: Germany

CP03 Change of name, title or address