EP1399276B1 - Verfahren und düsenanordnung zur breitenvariablen walzspaltschmierung eines walzgerüstes - Google Patents

Verfahren und düsenanordnung zur breitenvariablen walzspaltschmierung eines walzgerüstes Download PDF

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Publication number
EP1399276B1
EP1399276B1 EP02747367A EP02747367A EP1399276B1 EP 1399276 B1 EP1399276 B1 EP 1399276B1 EP 02747367 A EP02747367 A EP 02747367A EP 02747367 A EP02747367 A EP 02747367A EP 1399276 B1 EP1399276 B1 EP 1399276B1
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EP
European Patent Office
Prior art keywords
dispersion
spray
nozzle
oil
lubrication
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
Application number
EP02747367A
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German (de)
English (en)
French (fr)
Other versions
EP1399276A1 (de
Inventor
Jürgen Armenat
Rudolf-Franz JÄGER
Jürgen Seidel
Heinz Hopfenziz
Horst Cerv
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 Demag AG
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Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1399276A1 publication Critical patent/EP1399276A1/de
Application granted granted Critical
Publication of EP1399276B1 publication Critical patent/EP1399276B1/de
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
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
    • B21B45/0251—Lubricating devices using liquid lubricants, e.g. for sections, for tubes for strips, sheets, or plates

Definitions

  • the invention relates to a method for roller lubrication, in particular for Rolled-gap lubrication, in rolling mills for rolled strip with an oil-in-water dispersion under specifiable compliance with both a mixing characteristic as well as a volume flow of the dispersion, which in a mixer with adjustable proportions of water and oil to a homogeneous dispersion prepared and different for the bandwidth variable distribution Spray zones is abandoned and each spray zone with an assignable Spray width is assigned at least one row of nozzles, each of is controlled at least one switching valve.
  • the invention also relates to a Nozzle arrangement for carrying out the method according to the invention.
  • the document EP 1 040 877 A1 shows a device for roller lubrication or for roll-gap lubrication of the rolls in a roll stand.
  • the spray device which corresponds to the aforementioned prior art, shows three switching valves.
  • the spent dispersion is collected, in the different Phases of water / oil separated and after reprocessing in the device fed. This is an emulsion with 2% oil in water in a Mixer tank prepared and mixed by a stirrer.
  • the device is with Triple dovetail nozzles for a flat, wide-spreading Spray formed.
  • Document EP 0 367 967 B1 describes a method for cooling and Lubrication of rolls in a rolling stand during cold rolling of metal strips under supply of emulsifiers and at least one oil phase containing Oil / water emulsion by means of nip emulsion nozzles, wherein the emulsion before the rolls of the rolling stand or before the strip inlet in the of Work rolls formed nip in a disperser by separate feeding the emulsion forming media is prepared and the emulsion collected after the completion of their cooling / lubricating function behind the roll stand, separated and the separated liquid phases separately to form the input emulsion be used.
  • JP-A-03-128113 is for a significant shortening of the time delay in the injection stop of rolling oil a shut-off valve on the outlet side of a mixer with a connecting line for hot water, bypassing the mixer and the closing valve equipped.
  • the invention has the object to provide a method and a nozzle arrangement, with the spray different rolling belt widths, whereby one of constant, adjustable volume flow of the water is assumed and the mixture of the phases water / oil should always remain constant (ideal).
  • the inventive method for roller lubrication in particular for roll gap lubrication, in rolling mills for rolled strip according to the preamble of claim 1 above, that in each case only one Switching valve the total dispersion amount of a spray zone is discharged, and each nozzle row is designed so that the total number of their nozzle holes with activated switching valve always the same amount of dispersion discharges and thus the flow conditions in the mixer for each spraying zone remain unchanged.
  • a nozzle arrangement for roller lubrication, in particular roller gap lubrication in rolling mills for rolled strip for carrying out the method This is characterized by the fact that in each case one for the predeterminable Sprühstoff volume flow required number of spray nozzles of a spray zone in one separate nozzle row is arranged, each with at least one controllable Switching valve communicates, and that each nozzle row so is designed so that their total number of nozzle holes are the same Volumetric flow result.
  • the flow conditions remain in the dispersion mixer and thus the mixing of Wasserund Oil shares always constant. Decisive for the mixing is therefore the Flow rate of the water and not the amount of oil.
  • each nozzle row designed so is that the total number of their nozzle holes when driven Switching valve always discharges the same amount of dispersion is achieved with advantage that the flow conditions in the mixer for each spray zone unchanged stay. This will always ideal and comparable conditions maintained.
  • the method according to the invention provides that for an increasing Width adjustment of individual spraying zones additionally the proportionate oil quantity in the dispersion is increased, for example, from 0.25% to 0.40%.
  • the method according to the invention provides a further embodiment in that the opening angle ⁇ of the nozzle bores and / or their Number is formed in accordance with the spray width of each nozzle row.
  • the Nozzle rows in a nozzle bar at approximately the same distance parallel are arranged to the rollers or to the nip.
  • the width setting is then about the nozzle spacing of each nozzle row, the opening angle of Nozzles, the number of nozzles or a combination of opening angle, number and distance in each row exactly tunable.
  • the apparatus shown in Fig. 1 of a rolling gap lubrication or roller lubrication in a roll stand not shown with width adjustment shows a water supply 2 and an oil line 3. Both media are supplied to the device under pressure.
  • the reference numbers 4 and 7 are each flow meter for the two media water and oil.
  • the number 6 shows a metering pump for a proportionate metering small amounts of dispersion oil.
  • S1 to S3 are three switching valves, the example. By means of compressed air 9 are switched individually. Each of these switching valves S1 to S3 is connected to a spray zone Z1 to Z3.
  • the spraying zone Z1 is assigned four spray nozzles d1 to d4.
  • the spray zone Z2 are four switchable nozzles d6 and the spray zone Z3 are also associated with two further spray nozzles d7.
  • the zone Z1 is the width-dependent Nozzles d6 and d7 of zones Z2 and Z3 are switched on, then the required number decreases Amount of water too. Because this amount of water is always through it Cross-section in the mixer 1 must flow, takes the flow velocity with the switching of the switching valves S2 and S3 respectively. When doing so the Mixing of oil and water is designed for maximum flow The effect is minimal bandwidth and thus with minimal amount of water decrease a lot. Also, the stability of the dispersion during the flow through the supply to the tubes decreases.
  • a total of ten Nozzles in three spray zones Z1 to Z3 interconnected It requires the minimum Bandwidth four nozzles d1 to d4. Depending on the bandwidth then up to six Nozzles, three nozzles d5, d6 d7 on the right and three nozzles d5, d6 d7 on the left switched on. In purely mathematical terms, this results in a nonuniformity of 4/10 or 1 / 2.5 for the amount of water.
  • the circuit diagram of the device according to the invention according to FIG. 2 shows also the supply line 2 for water and the line 3 for oil and the flow meter 4 for water and the flow meter 7 for oil.
  • the reference numerals 5 and 8 are pressure gauge for water and oil designated and with the Reference numeral 6 indicates a metering pump for oil metering.
  • the media water and oil are intimately mixed in the mixer 1 to a homogeneous dispersion edited.
  • This dispersion is a water-in-oil mixture of the smallest Oil drops in the water.
  • the dispersion becomes a broad variable distribution on the non-illustrated rollers of a rolling mill initially three Switching valves S1 to S3 and fed from these the way to the different Spray zones Z1 to Z3 released.
  • Each one of the switching valves S1, S3, S2 is associated with a separate spray zone Z1 to Z3. Every spraying zone Z1, Z2, Z3 has an associated spray width B3 to B1 with an associated Nozzle row D3 to D1 on.
  • each nozzle row D3 to D1 is designed to that the number of their nozzle bores with activated switching valve S1 to S3 always discharges the same amount of dispersion, and thus the flow conditions remain unchanged in the mixer 1 for each spraying zone Z1 to Z3.
  • the proportional amount of oil in the dispersion for example. Increased from 0.25% to 0.40%.
  • the proportionate amount of oil in the dispersion reduced accordingly.
  • the opening angle ⁇ shown in FIG. 2 of the nozzle bores and / or their Number is in accordance with the spray width B3 to B1 each nozzle row educated.
  • Each nozzle row D3 to D1 is designed so that its nozzle bores each result in the same volume flow and consequently the Flow conditions in the mixer 1 and thus the mixing of Wasserund Oil shares always remain constant.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)
  • Metal Rolling (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Rolling Contact Bearings (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
EP02747367A 2001-06-23 2002-06-11 Verfahren und düsenanordnung zur breitenvariablen walzspaltschmierung eines walzgerüstes Expired - Lifetime EP1399276B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10130445A DE10130445A1 (de) 2001-06-23 2001-06-23 Verfahren und Düsenanordnung zur breitenvariablen Walzspaltschmierung eines Walzgerüstes
DE10130445 2001-06-23
PCT/EP2002/006353 WO2003000437A1 (de) 2001-06-23 2002-06-11 Verfahren und düsenanordnung zur breitenvariablen walzspaltschmierung eines walzgerüstes

Publications (2)

Publication Number Publication Date
EP1399276A1 EP1399276A1 (de) 2004-03-24
EP1399276B1 true EP1399276B1 (de) 2005-02-09

Family

ID=7689284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02747367A Expired - Lifetime EP1399276B1 (de) 2001-06-23 2002-06-11 Verfahren und düsenanordnung zur breitenvariablen walzspaltschmierung eines walzgerüstes

Country Status (17)

Country Link
US (1) US7266984B2 (zh)
EP (1) EP1399276B1 (zh)
JP (1) JP4311544B2 (zh)
KR (1) KR100849118B1 (zh)
CN (1) CN1235694C (zh)
AT (1) ATE288796T1 (zh)
AU (1) AU2002317793B2 (zh)
BR (1) BR0210554B1 (zh)
CA (1) CA2451292C (zh)
CZ (1) CZ298355B6 (zh)
DE (2) DE10130445A1 (zh)
ES (1) ES2236538T3 (zh)
MX (1) MXPA03011764A (zh)
RU (1) RU2287385C2 (zh)
UA (1) UA79432C2 (zh)
WO (1) WO2003000437A1 (zh)
ZA (1) ZA200309397B (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007042898A1 (de) 2007-06-08 2008-12-11 Sms Demag Ag Verfahren und Vorrichtung zur Walzenschmierung
DE102009040876A1 (de) 2008-11-18 2010-05-20 Sms Siemag Ag Vorrichtung zum Kühlen einer Walze in einem Walzgerüst
CN102078884A (zh) * 2010-11-12 2011-06-01 北京工业大学 一种高压水射流带钢清洗装置
WO2013120750A1 (de) 2012-02-15 2013-08-22 Siemens Vai Metals Technologies Gmbh Wartungsarme düsen-mischer-einheit für die walzspaltschmierung

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US20030110781A1 (en) 2001-09-13 2003-06-19 Zbigniew Zurecki Apparatus and method of cryogenic cooling for high-energy cutting operations
US20030145694A1 (en) * 2002-02-04 2003-08-07 Zbigniew Zurecki Apparatus and method for machining of hard metals with reduced detrimental white layer effect
US7513121B2 (en) 2004-03-25 2009-04-07 Air Products And Chemicals, Inc. Apparatus and method for improving work surface during forming and shaping of materials
US7634957B2 (en) 2004-09-16 2009-12-22 Air Products And Chemicals, Inc. Method and apparatus for machining workpieces having interruptions
JP4355280B2 (ja) * 2004-11-22 2009-10-28 新日本製鐵株式会社 冷間圧延における潤滑油供給方法
CN100443202C (zh) * 2005-09-13 2008-12-17 北京伟世杰液压设备有限公司 轴承的润滑冷却方法及装置
US7390240B2 (en) * 2005-10-14 2008-06-24 Air Products And Chemicals, Inc. Method of shaping and forming work materials
US7434439B2 (en) * 2005-10-14 2008-10-14 Air Products And Chemicals, Inc. Cryofluid assisted forming method
KR100668698B1 (ko) 2005-11-08 2007-01-16 주식회사 포스코 연연속 열간 압연 설비의 압연유 공급 장치 및 그 방법
BE1017462A3 (fr) * 2007-02-09 2008-10-07 Ct Rech Metallurgiques Asbl Dispositif et procede de refroidissement de cylindres de laminage en regime hautement turbulent.
EP2014379A1 (en) * 2007-06-04 2009-01-14 ArcelorMittal France Rolling mill with cooling device and rolling process
CN101376137B (zh) * 2007-08-31 2012-01-25 上海诸光机械有限公司 用于h型钢热轧工艺的润滑设备
BE1017806A3 (fr) 2007-10-08 2009-07-07 Ct Rech Metallurgiques Asbl Installation et procede de lubrification par atomisation pour cylindres de laminage.
EP2108465A1 (en) * 2008-04-07 2009-10-14 Siemens VAI Metals Technologies Ltd. Method and apparatus for controlled cooling
DE102008050392A1 (de) * 2008-06-18 2009-12-24 Sms Siemag Aktiengesellschaft Verfahren und Vorrichtung zum Schmieren von Walzen und eines Walzbandes eines Walzgerüsts
US8893519B2 (en) * 2008-12-08 2014-11-25 The Hong Kong University Of Science And Technology Providing cooling in a machining process using a plurality of activated coolant streams
JP2011173199A (ja) * 2010-02-24 2011-09-08 Makino Milling Mach Co Ltd 工作機械及び加工液供給装置、並びに加工液
UA101031C2 (ru) * 2010-11-23 2013-02-25 Николай Григорьевич Дихтяренко Способ смазки технологического инструмента для волочения профиля и труб и система для его осуществления
CN102847631A (zh) * 2011-06-29 2013-01-02 宝山钢铁股份有限公司 金属板带表面清洗喷嘴装置及其清洗方法
EP2792428A1 (de) * 2013-04-15 2014-10-22 Siemens VAI Metals Technologies GmbH Kühleinrichtung mit breitenabhängiger Kühlwirkung
CN103706635B (zh) * 2013-12-26 2016-08-17 河南万达铝业有限公司 一种铝带热轧系统
EP2893986A1 (de) * 2014-01-08 2015-07-15 Siemens VAI Metals Technologies GmbH Schmierung mit Spritzdüsen mit mehreren Öleintrittsöffnungen
PL3140057T5 (pl) * 2014-05-09 2023-02-27 Novelis, Inc. Walcowanie z hybrydowym chłodzeniem olejowym i wodnym
CN108160722B (zh) * 2017-12-07 2019-07-26 燕山大学 一种二次冷轧机组乳化液喷嘴喷射方向角的优化方法
CN108160721B (zh) * 2017-12-07 2019-03-22 燕山大学 一种乳化液喷淋架上喷嘴间距与喷嘴数量综合优化方法

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DE3835460A1 (de) * 1988-10-18 1990-04-19 Schloemann Siemag Ag Verfahren und vorrichtung zur kuehlung und schmierung spanlos umgeformter metalle, insbesondere zur kuehlung und schmierung von walzen und walzgut beim kaltwalzen in einem walzgeruest
JPH03128113A (ja) * 1989-10-11 1991-05-31 Kawasaki Steel Corp 圧延油供給装置
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JPH091017A (ja) * 1995-06-22 1997-01-07 Takimoto Giken Kogyo Kk 室内用噴水
JPH0910817A (ja) * 1995-06-27 1997-01-14 Kawasaki Steel Corp 圧延油のスプレーヘッダおよびその使用方法
JPH09101817A (ja) 1995-10-09 1997-04-15 Hitachi Ltd プラント監視・制御方法及び装置
EP0776710B1 (de) * 1995-11-20 2001-12-19 SMS Demag AG Vorrichtung zur Beeinflussung des Profils von gewalztem Walzband
DE19744503A1 (de) * 1997-10-09 1999-04-15 Schloemann Siemag Ag Vorrichtung und Verfahren zur Beeinflussung der Reibungsverhältnisse zwischen einer oberen und einer unteren Walze eines Walzgerüstes
EP1040877A1 (en) * 1999-03-17 2000-10-04 Steel Authority of India Limited Differential cooling system for control of thermal profile of work rolls in cold reversing mill

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007042898A1 (de) 2007-06-08 2008-12-11 Sms Demag Ag Verfahren und Vorrichtung zur Walzenschmierung
DE102009040876A1 (de) 2008-11-18 2010-05-20 Sms Siemag Ag Vorrichtung zum Kühlen einer Walze in einem Walzgerüst
CN102078884A (zh) * 2010-11-12 2011-06-01 北京工业大学 一种高压水射流带钢清洗装置
CN102078884B (zh) * 2010-11-12 2013-01-02 北京工业大学 一种高压水射流带钢清洗装置
WO2013120750A1 (de) 2012-02-15 2013-08-22 Siemens Vai Metals Technologies Gmbh Wartungsarme düsen-mischer-einheit für die walzspaltschmierung
US9566623B2 (en) 2012-02-15 2017-02-14 Primetals Technologies Austria GmbH Low maintenance nozzle mixer unit for roll nip lubrication

Also Published As

Publication number Publication date
CA2451292A1 (en) 2003-01-03
ES2236538T3 (es) 2005-07-16
RU2287385C2 (ru) 2006-11-20
US20040232258A1 (en) 2004-11-25
BR0210554A (pt) 2004-06-22
DE50202229D1 (de) 2005-03-17
WO2003000437A1 (de) 2003-01-03
ATE288796T1 (de) 2005-02-15
CN1235694C (zh) 2006-01-11
CA2451292C (en) 2009-12-01
KR20040007746A (ko) 2004-01-24
EP1399276A1 (de) 2004-03-24
DE10130445A1 (de) 2003-01-02
UA79432C2 (en) 2007-06-25
CZ298355B6 (cs) 2007-09-05
AU2002317793B2 (en) 2007-06-28
JP2004530562A (ja) 2004-10-07
JP4311544B2 (ja) 2009-08-12
ZA200309397B (en) 2004-03-02
CZ20033433A3 (cs) 2004-12-15
US7266984B2 (en) 2007-09-11
MXPA03011764A (es) 2004-07-01
RU2004101766A (ru) 2005-06-10
CN1518483A (zh) 2004-08-04
BR0210554B1 (pt) 2010-08-10
KR100849118B1 (ko) 2008-07-30

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