JP2010530807A5 - - Google Patents

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JP2010530807A5
JP2010530807A5 JP2010512554A JP2010512554A JP2010530807A5 JP 2010530807 A5 JP2010530807 A5 JP 2010530807A5 JP 2010512554 A JP2010512554 A JP 2010512554A JP 2010512554 A JP2010512554 A JP 2010512554A JP 2010530807 A5 JP2010530807 A5 JP 2010530807A5
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strip
cooling
heating
temperature
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ここでコイル(2)は最初に巻き解き位置(4)において巻き解かれそして次に矯正装置(14)に送られる(この装置は後続の炉の前後に配置することができる。)。領域(15)において温度調節をストリップの長手方向及び幅方向にわたって行った後に、ストリップ(1)は炉(16)達する。炉(16)中において同様に冷却のために矯正装置を統合することも可能である(このことについては図5に詳細が図示されている。)。ここではストリップ(1)は縦走又は逆そう運転して加熱してもよい。オキシ燃料炉又は誘導炉を使用するのが特に有利であり、そのときに加熱時間は10〜600秒間である。 Here coil (2) is first unwinding position winding (4) unwound and then sent to a correction device (14) (this device can be arranged before and after the subsequent furnace.). After temperature regulation in the region (15) over the length and width of the strip, the strip (1) reaches the furnace (16). It is also possible to integrate a correction device for cooling in the furnace (16) (this is illustrated in detail in FIG. 5). Here, the strip (1) may be heated by running longitudinally or reversely. It is particularly advantageous to use an oxyfuel furnace or an induction furnace, in which case the heating time is 10 to 600 seconds.

Claims (36)

鋼鉄製ストリップ(1)を熱間圧延及び熱処理する方法において、下記の各段階を有し、最初に次のa)〜d)の段階を圧延及び冷却工程において実施し:
a)圧延すべき分塊を加熱し、
b)分塊を所望のストリップ厚に圧延し、
c)ストリップ(1)を冷却し、その際に冷却後のストリップ(1)が周囲温度(T)より上にある温度を有しており、
d)ストリップ(1)を巻いてコイル(2)とし、
次いで次の段階e)〜h)を焼き戻し工程において実施し:
e)コイル(2)からストリップを巻き解き、
f)ストリップ(1)を加熱し、
g)ストリップ(1)を冷却しそして
h)ストリップ(1)を搬出する
その際にストリップ(1)は段階f)に従う加熱の前に周囲温度(T)より上の温度を有していること、コイル(2)が段階(d)を実施するときに巻き上げ場所(3)にありそしてコイル(2)が段階(e)を実施するときに巻き上げ場所(3)から空間的に離れた巻き解き場所(4)にあり、その際に段階(d)と(e)との間のコイル(2)は断熱されて又は段階d)を段階(e)に直ぐ後続させて、巻き上げ場所(3)から巻き解き場所(4)に搬送されることを特徴とする上記方法。
In the method of hot rolling and heat treating the steel strip (1), it has the following steps, and firstly the following steps a) to d) are carried out in the rolling and cooling process:
a) heating the mass to be rolled;
b) rolling the chunks to the desired strip thickness;
c) cooling the strip (1), where the cooled strip (1) has a temperature above the ambient temperature (T 0 ),
d) Wrap strip (1) into coil (2),
The following steps e) to h) are then carried out in the tempering process:
e) Unwind the strip from coil (2),
f) heating the strip (1),
g) cooling the strip (1) and h) unloading the strip (1) when the strip (1) has a temperature above ambient temperature (T 0 ) before heating according to step f) That the coil (2) is at the winding location (3) when performing step (d) and the coil (2) is spatially separated from the winding location (3) when performing step (e) In the unwinding place (4), the coil (2) between steps (d) and (e) is insulated or step d) is immediately followed by step (e), and the winding place (3 ) To the unwinding place (4).
ストリップ(1)を請求項1に従う段階(c)及び/又は段階(g)に従う冷却の間又は冷却の後に矯正行程に付す、請求項1に記載の方法。 2. The method according to claim 1, wherein the strip (1) is subjected to a straightening step during or after cooling according to step (c) and / or step (g) according to claim 1. ストリップ(1)を請求項1に従う段階(e)に従う巻き解きと請求項1に従う段階(f)に従う加熱との間に矯正行程に付す、請求項1又は2に記載の方法。 3. A method according to claim 1 or 2, wherein the strip (1) is subjected to a correction stroke between unwinding according to step (e) according to claim 1 and heating according to step (f) according to claim 1. ストリップ(1)を請求項1に従う段階(f)に従う加熱と請求項1に従う段階(h)に従う搬出との間に矯正行程に付す、請求項1〜3のいずれか一つに記載の方法。 Method according to any one of claims 1 to 3, wherein the strip (1) is subjected to a correction stroke between heating according to step (f) according to claim 1 and unloading according to step (h) according to claim 1. 矯正行程を底部ロール、反らせロール、駆動ロール又はその他のロールでストリップ(1)の向きを変えることによって行なう、請求項2〜4のいずれか一つに記載の方法。 5. A method according to any one of claims 2 to 4, wherein the straightening process is carried out by changing the orientation of the strip (1) with a bottom roll, a warp roll, a drive roll or other rolls. 矯正行程をスキン−パス−スタンドを用いて実施する、請求項3〜5のいずれか一つに記載の方法。 The method according to any one of claims 3 to 5, wherein the straightening process is carried out using a skin-pass-stand. ストリップ(1)を請求項1に従う段階(f)に従う加熱の間に矯正行程に付す、請求項1〜6のいずれか一つに記載の方法。 7. A method according to any one of claims 1 to 6, wherein the strip (1) is subjected to a correction stroke during heating according to step (f) according to claim 1. ストリップ(1)の冷却を請求項1に従う段階c)に従う層流冷却及び集中冷却を含む、請求項1〜7のいずれか一つに記載の方法。 Including laminar cooling and intensive cooling according to the cooling of the strip (1) in step c) according to claim 1, the method according to any one of claims 1 to 7. 請求項1に従う段階(g)に従うストリップ(1)の冷却が層流冷却を含む、請求項1〜8のいずれか一つに記載の方法。 9. A method according to any one of the preceding claims, wherein the cooling of the strip (1) according to step (g) according to claim 1 comprises laminar cooling. 請求項1に従う段階(c)及び/又は段階(g)に従うストリップ(1)の冷却がストリップの幅に亙って区域的に行う、請求項1〜9のいずれか一つに記載の方法。 10. A method as claimed in any one of the preceding claims, wherein the cooling of the strip (1) according to step (c) and / or step (g) according to claim 1 is carried out areawise over the width of the strip. 請求項1に従う段階(g)に従うストリップ(1)の冷却が空気冷却を含む、請求項1〜8のいずれか一つに記載の方法。 9. A method according to any one of the preceding claims, wherein the cooling of the strip (1) according to step (g) according to claim 1 comprises air cooling. 請求項1に従う段階(g)に従うストリップ(1)の冷却が高圧ビームを用いて実施し、その結果、ストリップの矯正及び/又はスケール除去が同時に行われる、請求項1〜11のいずれか一つに記載の方法。 Cooling of the strip according to step (g) according to claim 1 (1) is carried out with a high pressure beam, as a result, correction and / or descaling of the strip takes place at the same time, any one of claims 1 to 11 The method described in 1. 請求項1に従う段階(f)に従うストリップ(1)の加熱が誘導加熱を含む、請求項1〜12のいずれか一つに記載の方法。 13. A method according to any one of claims 1 to 12, wherein the heating of the strip (1) according to step (f) according to claim 1 comprises induction heating. ストリップ(1)の誘導加熱を不活性ガス雰囲気で行う、請求項13に記載の方法。 14. Method according to claim 13, wherein the induction heating of the strip (1) is carried out in an inert gas atmosphere. 請求項1に従う段階(f)に従うストリップ(1)の加熱がストリップを直接的に炎に当てて行う、請求項1〜12のいずれか一つに記載の方法。 13. A method according to any one of claims 1 to 12, wherein the heating of the strip (1) according to step (f) according to claim 1 is carried out by directly exposing the strip to a flame. ストリップ(1)に直接的に炎を当てるのをガス状の又は液状の連量が混入されている少なくとも75%の酸素を含有するガス噴射によって行う、請求項15に記載の方法。 16. The method according to claim 15, wherein the direct flame application to the strip (1) is effected by a gas jet containing at least 75% oxygen mixed with gaseous or liquid reams. 炎を直接的に当てるのを純粋酸素を含むガス噴射流によって行う、請求項16に記載の方法。 The method according to claim 16, wherein the direct application of the flame is performed by a gas jet comprising pure oxygen. 請求項1に従う段階(h)に従うストリップ(1)の搬出がストリップ(1)の巻き取りを含む、請求項1〜17のいずれか一つに記載の方法。 18. A method according to any one of the preceding claims, wherein unloading of the strip (1) according to step (h) according to claim 1 comprises winding up the strip (1). 請求項1に従う段階(h)に従うストリップ(1)の搬出がストリップ(1)の板状の切断部材を押しやることを含む、請求項1〜17のいずれか一つに記載の方法。 18. A method according to any one of the preceding claims, wherein unloading of the strip (1) according to step (h) according to claim 1 comprises pushing the plate-like cutting member of the strip (1). 請求項1に従う段階(c)に従う冷却の前のストリップ(1)が少なくとも750℃の温度を有する、請求項1〜19のいずれか一つに記載の方法。 20. A process according to any one of the preceding claims, wherein the strip (1) before cooling according to step (c) according to claim 1 has a temperature of at least 750 <0> C. 請求項1に従う段階(c)に従う冷却の後でそして請求項1に従う段階(d)に従う巻き上げ前に、ストリップ(1)が少なくとも25℃で最高400℃の温度、好ましくは100〜300℃の温度を有している、請求項1〜20のいずれか一つに記載の方法。 After cooling according to step (c) according to claim 1 and before wind-up according to step (d) according to claim 1, the strip (1) is up to 400 ° C. at least 25 ° C. temperature, a temperature of preferably 100 to 300 ° C. 21. The method according to any one of claims 1 to 20, comprising: 請求項1に従う段階(f)に従う加熱の後のストリップ(1)が少なくとも400℃、好ましくは400〜700℃の温度を有している、請求項1〜21のいずれか一つに記載の方法。 The process according to any one of claims 1 to 21, wherein the strip (1) after heating according to step (f) according to claim 1 has a temperature of at least 400 ° C, preferably 400-700 ° C. . 請求項1に従う段階(f)に従うストリップ(1)の加熱を、ストリップがその幅に亙って色々な温度を有するように行う、請求項1〜22のいずれか一つに記載の方法。 23. A method according to any one of the preceding claims, wherein the heating of the strip (1) according to step (f) according to claim 1 is carried out such that the strip has various temperatures over its width. 請求項1に従う段階(g)に従う冷却の後でそして請求項1に従う段階(h)に従う搬出前のストリップ(1)が最大200℃、好ましくは25℃〜200度の温度を有している、請求項1〜23のいずれか一つに記載の方法。 After cooling according to step (g) according to claim 1 and before unloading according to step (h) according to claim 1 the strip (1) is up to 200 ° C., preferably has a temperature of 25 ° C. to 200 DEG degrees, 24. A method according to any one of claims 1 to 23. 請求項1に従う段階(e)〜(g)を逆稼動で実施し、そのために請求項1に従う段階(g)に従う冷却の後にある巻き上げ場所(5)を使用する、請求項1〜24のいずれか一つに記載の方法。 25. Any of the steps (e) to (g) according to claim 1 are carried out in reverse operation, for which purpose a winding place (5) after cooling according to step (g) according to claim 1 is used. The method as described in one. ストリップ(1)の品質を監視するためのストリップ処理装置の少なくとも2ケ所にストリップ(1)の平坦度及び/又はストリップの温度を測定する、請求項1〜25のいずれか一つに記載の方法。 26. A method according to any one of the preceding claims, wherein the flatness of the strip (1) and / or the temperature of the strip are measured in at least two places of the strip processing device for monitoring the quality of the strip (1). . ストリップ処理装置、特に区域的なストリップの加熱装置、矯正ロールの調整手段及び/又は特に区域的なストリップ冷却装置を通るストリップの進行速度をプロセスモジュールによって制御あるいは調整する、請求項1〜26のいずれか一つに記載の方法。 27. Any one of claims 1-26, wherein the process module controls or regulates the speed of strip travel through a strip processing device, in particular a regional strip heating device, a straightening roll adjusting means and / or in particular a regional strip cooling device. The method as described in one. ストリップ(1)が、ストリップ処理装置を通すときに少なくとも断片的に駆動装置によって規定のストリップ張力負荷下に維持されている、請求項1〜27のいずれか一つに記載の方法。 28. A method as claimed in any one of the preceding claims, wherein the strip (1) is maintained under a defined strip tension load by a drive device at least in part as it passes through the strip processing device. 鋼鉄よりなるストリップ(1)を熱間圧延及び熱処理する方法において、以下の各段階を有している:
a)圧延するべき分塊を加熱する;
b)分塊を所望のストリップ厚に圧延する;
c)ストリップ(1)を冷却し、その際にストリップ(1)が冷却後に周囲温度(T)より上にある温度を有している;
d)ストリップ(1)を第一の巻き上げ機(22)で巻き取る;
e)第一の巻き上げ機(22)と第二の巻き上げ機(23)との間でストリップ(1)を反転させ、そのときにストリップを巻き上げ機(22、23)の間で加熱に付し、
その際にストリップ(1)が段階e)に従って加熱する以前に周囲温度(T)より上にある温度を有している、上記方法。
In the method of hot rolling and heat treating a steel strip (1), it has the following steps:
a) heating the mass to be rolled;
b) rolling the chunks to the desired strip thickness;
c) cooling the strip (1), where the strip (1) has a temperature above ambient temperature (T o ) after cooling;
d) winding the strip (1) with a first winder (22);
e) Reversing the strip (1) between the first hoisting machine (22) and the second hoisting machine (23), at which time the strip is subjected to heating between the hoisting machines (22, 23). ,
The method as described above, wherein the strip (1) has a temperature above ambient temperature (T o ) before heating according to step e).
ストリップ(1)の冷却前後に駆動装置(34,35)によってストリップに張力を負荷する、請求項1〜29のいずれか一つに記載の方法。 30. A method as claimed in any one of claims 1 to 29, wherein tension is applied to the strip by means of a drive (34, 35) before and after cooling of the strip (1). ストリップ(1)を側方送り手段(33.1、33.2)によってその長手軸を横切る方向に送る、請求項1〜30のいずれか一つに記載の方法。 31. A method as claimed in any one of the preceding claims, wherein the strip (1) is fed in a direction transverse to its longitudinal axis by means of lateral feeding means (33.1, 33.2). 側方送り(33.1、33.2)がストリップ(1)の冷却領域で行う、請求項31に記載の方法。 32. The method according to claim 31, wherein the lateral feed (33.1, 33.2) is performed in the cooling zone of the strip (1). 側方送り(33.1、33.2)がストリップ(1)の層流冷却の領域で行う、請求項32に記載の方法。 Method according to claim 32, wherein the lateral feed (33.1, 33.2) takes place in the region of laminar cooling of the strip (1). ストリップ(1)の側方送り(33.1、33.2)が駆動装置(34、35)の前で行われそしてストリップヘッドの通過後に開きそしてストリップ最終端で閉じる、請求項30〜33のいずれか一つに記載の方法。 34. The lateral feed (33.1, 33.2) of the strip (1) takes place before the drive (34, 35) and opens after passing the strip head and closes at the end of the strip. The method according to any one of the above. ストリップ温度の測定を低温−放射高温計によって行なう、請求項1〜34のいずれか一つに記載の方法。 35. A method according to any one of claims 1 to 34, wherein the strip temperature is measured by a cryogenic-radiation pyrometer. ストリップ温度の測定を冷却及び/又は加熱装置の前、間及び/又は後で行なう、請求項1〜35のいずれか一つに記載の方法。 36. A method according to any one of claims 1 to 35, wherein the measurement of the strip temperature is performed before, during and / or after the cooling and / or heating device.
JP2010512554A 2007-06-22 2008-06-04 Hot rolling and heat treatment of steel strip Expired - Fee Related JP5485147B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102007029280.7 2007-06-22
DE102007029280 2007-06-22
DE102008010062.5 2008-02-20
DE102008010062A DE102008010062A1 (en) 2007-06-22 2008-02-20 Process for hot rolling and heat treatment of a strip of steel
PCT/EP2008/004435 WO2009000387A1 (en) 2007-06-22 2008-06-04 Process for hot rolling and for heat treatment of a steel strip

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JP2010530807A5 true JP2010530807A5 (en) 2012-03-01
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