EP1046436A2 - Procédé et lit de refroidissement pour produits laminés - Google Patents

Procédé et lit de refroidissement pour produits laminés Download PDF

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Publication number
EP1046436A2
EP1046436A2 EP00107140A EP00107140A EP1046436A2 EP 1046436 A2 EP1046436 A2 EP 1046436A2 EP 00107140 A EP00107140 A EP 00107140A EP 00107140 A EP00107140 A EP 00107140A EP 1046436 A2 EP1046436 A2 EP 1046436A2
Authority
EP
European Patent Office
Prior art keywords
rolling stock
cooling
water
longitudinal axis
cooling bed
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.)
Granted
Application number
EP00107140A
Other languages
German (de)
English (en)
Other versions
EP1046436A3 (fr
EP1046436B1 (fr
Inventor
Rolf Stodt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Schloemann Siemag AG
SMS Demag AG
Schloemann Siemag AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SMS Schloemann Siemag AG, SMS Demag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Publication of EP1046436A2 publication Critical patent/EP1046436A2/fr
Publication of EP1046436A3 publication Critical patent/EP1046436A3/fr
Application granted granted Critical
Publication of EP1046436B1 publication Critical patent/EP1046436B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B21B43/02—Cooling beds comprising rakes racks, walking beams or bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B21B43/08—Cooling beds comprising revolving drums or recycling chains or discs

Definitions

  • the present invention relates to a cooling method for Rolling stock in a cooling bed, the rolling stock being a longitudinal axis of the rolling stock has and during cooling transverse to the longitudinal axis of the rolling stock is transported, for cooling the rolling stock Water is applied to the rolling stock with a working pressure is, as well as a corresponding cooling bed.
  • Such a cooling process and the corresponding cooling bed are z. B. from DE-OS 1 602 169 known.
  • Air cooling is relatively ineffective and requires relative large width of the cooling bed. It is also expensive. Furthermore, in order to ensure uniform cooling, the rolling stock transversely to the longitudinal axis of the rolling stock can be rotated around its longitudinal axis, sometimes even parked vertically and later put down again.
  • Water cooling usually results in water from spray nozzles sprayed onto the rolling stock from below and / or above. This However, the method can only be used in the rear part of the cooling bed because there is no rough water cooling Product damage. Beyond that, it still has to wet rolling stock before entering a cooling bed downstream Straightener to be dried.
  • the object of the present invention is a Cooling process with water cooling and a corresponding one To create a cooling bed that maintains product quality remains and the width of the cooling bed is kept small can be.
  • the object is achieved for the cooling process in that the rolling stock is only air-cooled in an initial section, then in a middle section with a middle section width by spraying a quantity of water onto the rolling stock spray cooled and finally in an end section is air dried and air cooled.
  • the cooling bed transverse to the longitudinal axis of the rolling stock in an initial section, a middle section divided with a middle section width and an end section, the initial section of the rolling stock first and the end section of the rolling stock is passed through last, the water distribution device being arranged in the central section and wherein the water distribution device as Spray device designed to generate a spray is.
  • Spray mist means that the water does not strike the rolling stock as a jet, but that a mist-like fine spray is carried out.
  • the fine spray can be achieved by means of appropriate spray nozzles with or without compressed air.
  • the cooling intensity adjustable is adjustable.
  • the cooling method according to the invention Because of the cooling method according to the invention, a gentle cooling of the rolling stock. There is also a temperature compensation within the rolling stock, especially between the cooled underside of the rolling stock and the upper area of the rolling stock. Cooling can also be in a higher temperature range than with splash water cooling.
  • the Residual heat of the rolling stock can be used to dry the rolling stock in the End section can be used. It is no longer necessary the rolling stock transversely to the longitudinal axis of the rolling stock to rotate or set up its rolling longitudinal axis.
  • the cooling process works particularly well reliable.
  • the cooling bed is then also robustly designed and has a long service life. It but are also other configurations of the transport device, e.g. B. as a lifting rake or as a transport chain.
  • the cooling process is for different rolling stock dimensions applicable.
  • the rolling stock is preferably of medium weight or a heavy steel profile.
  • a cooling bed has an infeed roller table 1.
  • a rolling stock 2 with a rolling stock longitudinal axis is located above the infeed roller table 1 3 retractable into the cooling bed.
  • the rolling stock 2 is taken over by a transport device 4 and thus conveyed transversely to the longitudinal axis 3 of the rolling stock to an outlet roller table 5.
  • the outlet roller table 5 then conveys the rolling stock 2 the cooling bed.
  • the transport device 4 is as continuous walking beam 4 formed.
  • the walking beam 4 could but can also be divided into several walking beam sections.
  • the rolling stock 2 by means of another transport device 4 to cross-feed as a walking beam 4.
  • the transport device 4 could be as a lifting rake or chain.
  • a cross conveyor only by walking beams is preferable.
  • the rolling stock 2 first passes through during the transverse conveying an initial section 6, then a middle section 7 and finally an end section 9 of the cooling bed.
  • the rolling stock 2 In the initial section 6, the rolling stock 2 is still very hot. It is only air-cooled there. Due to the high temperature of the Rolling stock 2, this type of cooling is also effective.
  • the middle section 7 there is a water distribution device 9 arranged, by means of which a quantity of water M with a working pressure is applied to the rolling stock 2.
  • the water distribution device 9 is a spray device 9 for generating a spray formed.
  • the rolling stock 2 is thus in Middle section 7 by spraying a quantity of water M spray-cooled.
  • the rolling stock 2 is in a temperature range which is harmless to the material structure, increasingly cooled.
  • the rolling stock 2 is again only air-cooled. Because of its residual heat, it also becomes air dried. Furthermore, temperature compensation takes place within of the rolling stock 2 instead. The temperature compensation is special advantageous for later straightening of the rolling stock 2.
  • the water distribution device 9 has several - According to embodiment three - rows 10 of spray nozzles 11 on.
  • the rows 10 are via gate valves 12 (individually) can be switched on or off.
  • the gate valve 12 thus form a width adjustment device 12, by means of which the effective width of the central section 7 is adjustable. Because of the connectivity of the individual rows 10 is guaranteed, that - within the design limits of the cooling bed - also the largest possible rolling stock 2 at a target temperature from Z. B. 100 ° C can be cooled. If necessary, the effective Length of the rows 10 by arranged within the rows 10 further gate valves can be varied.
  • the others Gate valves are shown in Figure 1 for clarity not shown.
  • the water distribution device 9 is operated via a pump 13 fed from a tank 14. Between the pump 13 and the Tank 14 is a flow meter 15, the output signal a controller 16 is supplied. The controller 16 then controls the pump 13 so that one of the flow meter 15 detected actual water quantity M to be supplied Amount of water M * is set.
  • the pump 13, the flow meter 15 and the controller 16 thus form a water quantity setting device 13, 15, 16, by means of which the amount of water M is adjustable.
  • the Working pressure can be detected with which the pump 13, the actual amount of water M promotes. In this case, instead of the amount of water M or M * regulated the working pressure.
  • the spray nozzles 11 of the water distribution device 9 arranged exclusively below the rolling stock 2.
  • the amount of water M is therefore only from below on the Rolled stock 2 sprayed.
  • the rolling stock 2 Due to the mild cooling from below with flowing heat from the rolling stock 2 and corresponding temperature compensation the rolling stock 2 can be transported transversely to the longitudinal axis 3 of the rolling stock without having to rotate it about its longitudinal axis 3 of rolling stock.
  • Devices for rotating the rolling stock 2 about its longitudinal axis 3 therefore omitted.
  • the cooling bed can cross to the longitudinal axis 3 of the rolling stock are built considerably smaller than with pure air cooling. Because of the cooling by the finest The water droplets are cooled very evenly Rolled stock 2, which does not affect the quality of the rolled stock 2 and also leads to the fact that the rolling stock 2 is not warps.
  • Water droplets of suitable droplet size can are generated, for example, by the spray nozzles 11 are designed as so-called hollow cone nozzles or compressed air is used for water atomization.
  • the cooling method according to the invention and the corresponding one Cooling beds are 2 of the most varied of rolled goods Dimensions can be used. However, it is particularly advantageous if the rolling stock 2 is of medium or heavy weight Steel profile, so the cooling bed is designed accordingly is.
  • a medium-heavy steel profile understood a steel profile with an edge length a, which - depending by definition - 60, 70, 80, 90 or 100 mm. From one Edge length a of 400, 450, 500, 550 or 600 mm - again depending on the definition - one speaks of a heavy steel profile.
  • the profile is arbitrary. T-, I- and Called double T, U, X and rail profiles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Metal Rolling (AREA)
  • Control Of Heat Treatment Processes (AREA)
EP00107140A 1999-04-20 2000-04-10 Procédé et lit de refroidissement pour produits laminés Expired - Lifetime EP1046436B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19917725A DE19917725B4 (de) 1999-04-20 1999-04-20 Kühlverfahren für Walzgut und Kühlbett
DE19917725 1999-04-20

Publications (3)

Publication Number Publication Date
EP1046436A2 true EP1046436A2 (fr) 2000-10-25
EP1046436A3 EP1046436A3 (fr) 2003-12-17
EP1046436B1 EP1046436B1 (fr) 2005-10-05

Family

ID=7905143

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00107140A Expired - Lifetime EP1046436B1 (fr) 1999-04-20 2000-04-10 Procédé et lit de refroidissement pour produits laminés

Country Status (5)

Country Link
US (1) US6237385B1 (fr)
EP (1) EP1046436B1 (fr)
JP (1) JP2000312914A (fr)
AT (1) ATE305828T1 (fr)
DE (2) DE19917725B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2644719A1 (fr) * 2012-03-28 2013-10-02 Siemens Aktiengesellschaft Commande de refroidissement

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100369049C (zh) * 2005-02-18 2008-02-13 富士通株式会社 灰度字符的精确分割装置及方法
KR100646156B1 (ko) 2005-11-01 2006-11-14 조소곤 압연설비에 사용되는 쿨링베드 냉각장치
JP4998712B2 (ja) * 2007-03-15 2012-08-15 Ｊｆｅスチール株式会社 連続鋳造鋳片の冷却方法
DE102007046279A1 (de) * 2007-09-27 2009-04-09 Siemens Ag Betriebsverfahren für eine Kühlstrecke mit zentralisierter Erfassung von Ventilcharakteristiken und hiermit korrespondierende Gegenstände
KR100916061B1 (ko) 2007-11-20 2009-09-08 주식회사 포스코 선재코일 냉각장치
KR101032514B1 (ko) 2008-10-24 2011-05-04 주식회사 포스코 선재코일 냉각장치
CN107716566B (zh) * 2017-10-26 2019-01-18 中冶华天南京电气工程技术有限公司 电梯导轨钢2段步进式冷床运行方式及同步运行控制方法
DE102018219276A1 (de) * 2018-03-12 2019-09-12 Sms Group Gmbh Kühlgruppe einer Laminarkühlvorrichtung
CN115041655A (zh) * 2022-07-04 2022-09-13 重庆钢铁股份有限公司 一种防止高温下线铸坯弯曲的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1133969A (en) * 1965-07-28 1968-11-20 Siemag Siegener Masch Bau A cooling system for bar-shaped rolled stock
GB1139633A (en) * 1965-05-18 1969-01-08 Demag Ag Method and apparatus for cooling hot-rolled material
US3648996A (en) * 1969-01-20 1972-03-14 Nippon Steel Corp Apparatus for cooling high temperature metal plates
JPS60245719A (ja) * 1984-05-19 1985-12-05 Kawasaki Steel Corp 円形断面長尺鋼材の冷却方法および装置
SU1187341A1 (ru) * 1983-03-04 1989-04-07 Украинский Государственный Институт По Проектированию Металлургических Заводов Способ принудительного воздушного охлаждени проката на холодильнике

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533261A (en) * 1967-06-15 1970-10-13 Frans Hollander Method and a device for cooling hot-rolled metal strip on a run-out table after being rolled
DE1602169A1 (de) * 1967-07-11 1970-01-29 Schloemann Ag Vorrichtung zum Abkuehlen von stabfoermigem Walzgut,insbesondere von Knueppeln und Feinstahl
US3479853A (en) * 1967-08-29 1969-11-25 Jones & Laughlin Steel Corp Hot rolling of light gauge strip
US3604234A (en) * 1969-05-16 1971-09-14 Gen Electric Temperature control system for mill runout table
JPS498446A (fr) * 1972-05-23 1974-01-25
DE2361305A1 (de) * 1973-12-08 1975-06-12 Kessler & Luch Kg Vorrichtung zum kuehlen von metallprofilen
CA2117481C (fr) * 1992-02-24 1998-06-23 Olivo Sivilotti Methode et dispositif pour verser et enlever un liquide de refroidissement pour la regulation thermique d'un laminoir
DE19621844A1 (de) * 1996-05-30 1997-12-04 Schloemann Siemag Ag Verfahren zum Kühlen von Walzgut

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1139633A (en) * 1965-05-18 1969-01-08 Demag Ag Method and apparatus for cooling hot-rolled material
GB1133969A (en) * 1965-07-28 1968-11-20 Siemag Siegener Masch Bau A cooling system for bar-shaped rolled stock
US3648996A (en) * 1969-01-20 1972-03-14 Nippon Steel Corp Apparatus for cooling high temperature metal plates
SU1187341A1 (ru) * 1983-03-04 1989-04-07 Украинский Государственный Институт По Проектированию Металлургических Заводов Способ принудительного воздушного охлаждени проката на холодильнике
JPS60245719A (ja) * 1984-05-19 1985-12-05 Kawasaki Steel Corp 円形断面長尺鋼材の冷却方法および装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 010, no. 120 (C-343), 6. Mai 1986 (1986-05-06) -& JP 60 245719 A (KAWASAKI SEITETSU KK), 5. Dezember 1985 (1985-12-05) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2644719A1 (fr) * 2012-03-28 2013-10-02 Siemens Aktiengesellschaft Commande de refroidissement
WO2013143925A1 (fr) * 2012-03-28 2013-10-03 Siemens Aktiengesellschaft Commande d'un système de refroidissement

Also Published As

Publication number Publication date
EP1046436A3 (fr) 2003-12-17
US6237385B1 (en) 2001-05-29
ATE305828T1 (de) 2005-10-15
EP1046436B1 (fr) 2005-10-05
JP2000312914A (ja) 2000-11-14
DE19917725A1 (de) 2000-11-02
DE19917725B4 (de) 2005-02-24
DE50011274D1 (de) 2005-11-10

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