JP5655956B2 - 鋼帯の連続焼鈍方法および溶融亜鉛めっき鋼帯の製造方法 - Google Patents
鋼帯の連続焼鈍方法および溶融亜鉛めっき鋼帯の製造方法 Download PDFInfo
- Publication number
- JP5655956B2 JP5655956B2 JP2013543075A JP2013543075A JP5655956B2 JP 5655956 B2 JP5655956 B2 JP 5655956B2 JP 2013543075 A JP2013543075 A JP 2013543075A JP 2013543075 A JP2013543075 A JP 2013543075A JP 5655956 B2 JP5655956 B2 JP 5655956B2
- Authority
- JP
- Japan
- Prior art keywords
- steel strip
- furnace
- gas
- annealing
- injection device
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 98
- 239000010959 steel Substances 0.000 title claims description 98
- 238000000137 annealing Methods 0.000 title claims description 67
- 238000000034 method Methods 0.000 title claims description 34
- 229910001335 Galvanized steel Inorganic materials 0.000 title claims description 10
- 239000008397 galvanized steel Substances 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000007789 gas Substances 0.000 claims description 144
- 238000002347 injection Methods 0.000 claims description 53
- 239000007924 injection Substances 0.000 claims description 53
- 238000010438 heat treatment Methods 0.000 claims description 31
- 238000002791 soaking Methods 0.000 claims description 23
- 238000011144 upstream manufacturing Methods 0.000 claims description 22
- 238000005246 galvanizing Methods 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 230000032258 transport Effects 0.000 claims description 4
- 238000007747 plating Methods 0.000 description 27
- 229910052710 silicon Inorganic materials 0.000 description 20
- 229910052748 manganese Inorganic materials 0.000 description 19
- 238000006722 reduction reaction Methods 0.000 description 15
- 238000002156 mixing Methods 0.000 description 12
- 230000009467 reduction Effects 0.000 description 10
- 238000005275 alloying Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 210000004894 snout Anatomy 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 230000003635 deoxygenating effect Effects 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
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
- C21D9/54—Furnaces for treating strips or wire
- C21D9/663—Bell-type furnaces
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- 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
- C21D1/76—Adjusting the composition of the atmosphere
-
- 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
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
- C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
- C23C2/004—Snouts
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Coating With Molten Metal (AREA)
- Furnace Details (AREA)
Description
i)還元がおこる温度域が500℃〜600℃であること。
ii)Si、Mn等の易酸化元素が酸化し、表面濃化(不めっき等のめっき性阻害要因)が起るのは700℃以上であること。
前記加熱帯〜前記均熱帯内に設けられた、ガスの吐出口を鋼帯通板方向に複数備えたガス噴射装置により、前記ガス噴射装置より上流側の炉内雰囲気と下流側の炉内雰囲気の混合を抑制し、前記ガス噴射装置を通過する鋼帯温度が600〜700℃になるように制御することを特徴とする鋼帯の連続焼鈍方法。
前記加熱帯〜前記均熱帯内に設けられた、ガスの吐出口を鋼帯通板方向に複数備えたガス噴射装置により、前記ガス噴射装置より上流側の炉内雰囲気と下流側の炉内雰囲気の混合を抑制し、前記ガス噴射装置を通過する鋼帯温度が550〜700℃になるように制御するとともに、リファイナに排出する炉内ガス量のうち、前記ガス噴射装置より下流側の炉内ガス量を前記ガス噴射装置より上流側の炉内ガス量よりも多くすることを特徴とする鋼帯の連続焼鈍方法。
◎:合格(表面美麗で外板レベルの品質)、○:合格(内板レベルの品質)、△:微小欠陥あるが許容範囲内(不めっき等)、×:重大欠陥あり(不めっき大)、不合格
結果を表2に示す。
2 焼鈍炉
3 加熱帯
4 均熱帯
5 冷却帯
6 スナウト
7 めっき浴
8 ワイピングノズル
9 加熱装置
11 ガス噴射装置
11a 吐出口
13 開口部
14 温度計
15 リファイナ
Claims (4)
- 鋼帯を上下方向に搬送する加熱帯、均熱帯を備え、炉外より雰囲気ガスを炉内に供給し、炉内ガスを加熱帯下部の鋼帯導入部から排出するとともに、炉内ガスの一部を吸引して炉外に設けた脱酸素装置と除湿装置を有するリファイナに排出してガス中の酸素と水分を除去して露点を低下し、露点を低下したガスを炉内に戻すように構成された縦型焼鈍炉で鋼帯を焼鈍する際に、
前記加熱帯〜前記均熱帯内に設けられた、ガスの吐出口を鋼帯通板方向に複数備えたガス噴射装置により、前記ガス噴射装置より上流側の炉内雰囲気と下流側の炉内雰囲気の混合を抑制し、前記ガス噴射装置を通過する鋼帯温度が600〜700℃になるように制御することを特徴とする鋼帯の連続焼鈍方法。 - 鋼帯を上下方向に搬送する加熱帯、均熱帯を備え、炉外より雰囲気ガスを炉内に供給し、炉内ガスを加熱帯下部の鋼帯導入部から排出するとともに、炉内ガスの一部を吸引して炉外に設けた脱酸素装置と除湿装置を有するリファイナに排出してガス中の酸素と水分を除去して露点を低下し、露点を低下したガスを炉内に戻すように構成された縦型焼鈍炉で鋼帯を焼鈍する際に、
前記加熱帯〜前記均熱帯内に設けられた、ガスの吐出口を鋼帯通板方向に複数備えたガス噴射装置により、前記ガス噴射装置より上流側の炉内雰囲気と下流側の炉内雰囲気の混合を抑制し、前記ガス噴射装置を通過する鋼帯温度が550〜700℃になるように制御するとともに、リファイナに排出する炉内ガス量のうち、前記ガス噴射装置より下流側の炉内ガス量を前記ガス噴射装置より上流側の炉内ガス量よりも多くすることを特徴とする鋼帯の連続焼鈍方法。 - 請求項1に記載の連続焼鈍方法で鋼帯を焼鈍した後、溶融亜鉛めっきすることを特徴とする溶融亜鉛めっき鋼帯の製造方法。
- 請求項2に記載の連続焼鈍方法で鋼帯を焼鈍した後、溶融亜鉛めっきすることを特徴とする溶融亜鉛めっき鋼帯の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013543075A JP5655956B2 (ja) | 2012-06-13 | 2013-06-10 | 鋼帯の連続焼鈍方法および溶融亜鉛めっき鋼帯の製造方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012133616 | 2012-06-13 | ||
JP2012133616 | 2012-06-13 | ||
PCT/JP2013/003634 WO2013187042A1 (ja) | 2012-06-13 | 2013-06-10 | 鋼帯の連続焼鈍方法および溶融亜鉛めっき鋼帯の製造方法 |
JP2013543075A JP5655956B2 (ja) | 2012-06-13 | 2013-06-10 | 鋼帯の連続焼鈍方法および溶融亜鉛めっき鋼帯の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5655956B2 true JP5655956B2 (ja) | 2015-01-21 |
JPWO2013187042A1 JPWO2013187042A1 (ja) | 2016-02-04 |
Family
ID=49757888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013543075A Active JP5655956B2 (ja) | 2012-06-13 | 2013-06-10 | 鋼帯の連続焼鈍方法および溶融亜鉛めっき鋼帯の製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10106867B2 (ja) |
EP (1) | EP2862947B1 (ja) |
JP (1) | JP5655956B2 (ja) |
KR (1) | KR101642633B1 (ja) |
CN (1) | CN104379777B (ja) |
WO (1) | WO2013187042A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5365760B1 (ja) * | 2012-04-06 | 2013-12-11 | Jfeスチール株式会社 | 連続式溶融亜鉛めっき設備 |
JP5790898B1 (ja) * | 2013-11-07 | 2015-10-07 | Jfeスチール株式会社 | 連続焼鈍設備および連続焼鈍方法 |
CN109652639B (zh) * | 2018-12-29 | 2024-02-09 | 佛山市诚德新材料有限公司 | 一种不锈钢带的退火炉 |
BE1026986B1 (fr) * | 2019-01-23 | 2020-08-25 | Drever Int S A | Procédé et four pour le traitement thermique d’une bande d’acier de haute résistance comprenant une chambre d’homogénéisation en température |
FR3095452A1 (fr) * | 2019-04-29 | 2020-10-30 | Fives Stein | Ligne de traitement en continu de bandes métalliques à double usage |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04318121A (ja) * | 1991-04-18 | 1992-11-09 | Kawasaki Steel Corp | 連続熱処理炉 |
JPH0718339A (ja) * | 1993-06-30 | 1995-01-20 | Kawasaki Steel Corp | 雰囲気炉の非接触式シール装置 |
JPH09324209A (ja) * | 1996-06-05 | 1997-12-16 | Kawasaki Steel Corp | 溶融亜鉛めっき鋼板の製造方法および製造設備 |
JPH10176225A (ja) * | 1996-12-13 | 1998-06-30 | Daido Steel Co Ltd | 金属ストリップの連続焼鈍炉 |
JP2000290762A (ja) * | 1999-04-07 | 2000-10-17 | Kawasaki Steel Corp | 溶融めっき鋼板の製造方法 |
JP2007146241A (ja) * | 2005-11-29 | 2007-06-14 | Jfe Steel Kk | 高強度溶融亜鉛めっき鋼板の製造方法および溶融亜鉛めっき鋼板の製造設備 |
JP2012072451A (ja) * | 2010-09-29 | 2012-04-12 | Jfe Steel Corp | 高強度鋼板およびその製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2670134B2 (ja) * | 1989-03-08 | 1997-10-29 | 川崎製鉄株式会社 | ステンレス鋼帯の竪型連続光輝焼鈍炉における雰囲気ガス制御方法 |
JP2567130B2 (ja) | 1990-05-07 | 1996-12-25 | 日本冶金工業株式会社 | 光輝焼鈍炉 |
JP2567140B2 (ja) | 1990-09-04 | 1996-12-25 | 日本冶金工業株式会社 | 光輝焼鈍炉 |
JP2567130Y2 (ja) | 1992-03-16 | 1998-03-30 | 矢崎総業株式会社 | ブスバー固定構造 |
JP2567140Y2 (ja) | 1992-09-17 | 1998-03-30 | 弘 丹羽 | フィッシングゲームマシン |
JPH09324210A (ja) * | 1996-06-07 | 1997-12-16 | Kawasaki Steel Corp | 溶融亜鉛めっき鋼板の製造方法および製造設備 |
JP2003129125A (ja) * | 2001-10-15 | 2003-05-08 | Daido Steel Co Ltd | ストリップ連続熱処理炉 |
WO2007043273A1 (ja) | 2005-10-14 | 2007-04-19 | Nippon Steel Corporation | Siを含有する鋼板の連続焼鈍溶融めっき方法及び連続焼鈍溶融めっき装置 |
JP2011046988A (ja) * | 2009-08-26 | 2011-03-10 | Daido Steel Co Ltd | 金属ストリップの連続焼鈍炉 |
-
2013
- 2013-06-10 JP JP2013543075A patent/JP5655956B2/ja active Active
- 2013-06-10 WO PCT/JP2013/003634 patent/WO2013187042A1/ja active Application Filing
- 2013-06-10 KR KR1020147035449A patent/KR101642633B1/ko active IP Right Grant
- 2013-06-10 US US14/405,077 patent/US10106867B2/en active Active
- 2013-06-10 EP EP13804997.8A patent/EP2862947B1/en active Active
- 2013-06-10 CN CN201380031150.2A patent/CN104379777B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04318121A (ja) * | 1991-04-18 | 1992-11-09 | Kawasaki Steel Corp | 連続熱処理炉 |
JPH0718339A (ja) * | 1993-06-30 | 1995-01-20 | Kawasaki Steel Corp | 雰囲気炉の非接触式シール装置 |
JPH09324209A (ja) * | 1996-06-05 | 1997-12-16 | Kawasaki Steel Corp | 溶融亜鉛めっき鋼板の製造方法および製造設備 |
JPH10176225A (ja) * | 1996-12-13 | 1998-06-30 | Daido Steel Co Ltd | 金属ストリップの連続焼鈍炉 |
JP2000290762A (ja) * | 1999-04-07 | 2000-10-17 | Kawasaki Steel Corp | 溶融めっき鋼板の製造方法 |
JP2007146241A (ja) * | 2005-11-29 | 2007-06-14 | Jfe Steel Kk | 高強度溶融亜鉛めっき鋼板の製造方法および溶融亜鉛めっき鋼板の製造設備 |
JP2012072451A (ja) * | 2010-09-29 | 2012-04-12 | Jfe Steel Corp | 高強度鋼板およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2862947A4 (en) | 2015-07-15 |
KR20150013829A (ko) | 2015-02-05 |
EP2862947B1 (en) | 2018-08-08 |
CN104379777B (zh) | 2017-10-10 |
EP2862947A1 (en) | 2015-04-22 |
WO2013187042A1 (ja) | 2013-12-19 |
CN104379777A (zh) | 2015-02-25 |
US10106867B2 (en) | 2018-10-23 |
JPWO2013187042A1 (ja) | 2016-02-04 |
KR101642633B1 (ko) | 2016-07-25 |
US20150159235A1 (en) | 2015-06-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5655955B2 (ja) | 鋼帯の連続焼鈍方法、鋼帯の連続焼鈍装置、溶融亜鉛めっき鋼帯の製造方法及び溶融亜鉛めっき鋼帯の製造装置 | |
JP5071551B2 (ja) | 鋼帯の連続焼鈍方法、溶融亜鉛めっき方法 | |
CN102224269B (zh) | 热浸镀锌钢板及其制造方法 | |
JP5505430B2 (ja) | 鋼帯の連続焼鈍炉及び連続焼鈍方法 | |
JP5655956B2 (ja) | 鋼帯の連続焼鈍方法および溶融亜鉛めっき鋼帯の製造方法 | |
JP5884748B2 (ja) | 鋼帯の連続焼鈍装置および連続溶融亜鉛めっき装置 | |
CN110612359B (zh) | 热浸镀锌钢板的制造方法 | |
JP5510495B2 (ja) | 鋼帯の連続焼鈍炉、連続焼鈍方法、連続溶融亜鉛めっき設備及び溶融亜鉛めっき鋼帯の製造方法 | |
JP5338087B2 (ja) | めっき性に優れる溶融亜鉛めっき鋼板の製造方法および連続溶融亜鉛めっき設備 | |
JP5565485B1 (ja) | 鋼帯の連続焼鈍装置および連続溶融亜鉛めっき装置 | |
JP4797601B2 (ja) | 高強度溶融亜鉛めっき鋼板の製造方法および溶融亜鉛めっき鋼板の製造設備 | |
JP5790898B1 (ja) | 連続焼鈍設備および連続焼鈍方法 | |
JP5200463B2 (ja) | 溶融亜鉛めっき鋼板の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20141028 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20141110 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5655956 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |