FI3898020T3 - Cooling device for a hot-rolling mill - Google Patents

Cooling device for a hot-rolling mill Download PDF

Info

Publication number
FI3898020T3
FI3898020T3 FIEP19817599.4T FI19817599T FI3898020T3 FI 3898020 T3 FI3898020 T3 FI 3898020T3 FI 19817599 T FI19817599 T FI 19817599T FI 3898020 T3 FI3898020 T3 FI 3898020T3
Authority
FI
Finland
Prior art keywords
rolling mill
cooling device
hot rolling
pressure means
scraper
Prior art date
Application number
FIEP19817599.4T
Other languages
Finnish (fi)
Inventor
George Schipper
Original Assignee
Tata Steel Ijmuiden Bv
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 Tata Steel Ijmuiden Bv filed Critical Tata Steel Ijmuiden Bv
Application granted granted Critical
Publication of FI3898020T3 publication Critical patent/FI3898020T3/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B27/00Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06Lubricating, cooling or heating rolls
    • B21B27/10Lubricating, cooling or heating rolls externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74Temperature control, e.g. by cooling or heating the rolls or the product
    • B21B37/76Cooling control on the run-out table
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B27/00Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06Lubricating, cooling or heating rolls
    • B21B27/10Lubricating, cooling or heating rolls externally
    • B21B2027/103Lubricating, cooling or heating rolls externally cooling externally

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Claims (10)

PATENTTIVAATIMUKSETPATENT CLAIMS 1. — Jäähdytyslaite (1) kuumavalssaimeen metallinauhaa (10) varten, jolloin kuumavalssaimessa on vähintään yksi pari työteloja (2), joissa jokaisessa on työ- —telan pinta (2'), jolloin jäähdytyslaite käsittää lapion muotoisen rungon (3), joka käsittää useita aukkoja (4), jotka on järjestetty projisoimaan jäähdytysnestettä työtelalle (2), ja kaavin (5), joka on yhdistetty lapion muotoiseen runkoon (3), joka on järjestetty estämään jäähdytysnesteen roiskumista metalliliuskan (10) päälle, ja painevälineen (9) kaapimen (5) painamiseksi mainittua työtelan pintaa (2') vasten, jolloin lapion muotoinen runko (3) käsittää lisäksi yhden tai useam- man välikappaleen (8) järjestettynä koskettamaan työtelan pintaa (2').1. — Cooling device (1) for a hot rolling mill for metal strip (10), in which case the hot rolling mill has at least one pair of working rolls (2), each of which has a working roll surface (2'), in which case the cooling device comprises a shovel-shaped body (3) comprising a plurality of openings (4) arranged to project the coolant onto the work roll (2), and a scraper (5) connected to a spade-shaped body (3) arranged to prevent the coolant from splashing onto the metal strip (10), and a scraper of the pressure means (9) (5) to press against said work roller surface (2'), whereby the shovel-shaped body (3) additionally comprises one or more spacers (8) arranged to touch the work roller surface (2'). 2. — Jäähdytyslaite (1) patenttivaatimuksen 1 mukaiseen kuumavalssaimeen, tunnettu siitä, että yksi tai useampi välike (8) on sovitettu koskettamaan toimin- nassa osaa työtelan pinnasta tukitelan (7) läheisyydessä .2. — Cooling device (1) for the hot rolling mill according to claim 1, characterized in that one or more spacers (8) are adapted to contact part of the surface of the work roll in the vicinity of the support roll (7) during operation. 3. — Jäähdytyslaite (1) patenttivaatimuksen 1 tai 2 mukaiseen kuumavals- saimeen, tunnettu siitä, että kaavin (5) on sovitettu koskettamaan toiminnassa osaa työtelan pinnasta metallinauhan (6) läheisyydessä.3. — Cooling device (1) for the hot rolling mill according to claim 1 or 2, characterized in that the scraper (5) is adapted to touch part of the surface of the work roll in the vicinity of the metal strip (6) in operation. 4. — Jonkin patenttivaatimuksista 1-3 mukainen jäähdytyslaite (1) kuumavals- saimeen, tunnettu siitä, että yksi tai useampi välike (8) on sijoitettu lapion muo- toisen rungon (3) ääripäihin.4. — A cooling device (1) for a hot rolling mill according to one of claims 1-3, characterized in that one or more spacers (8) are placed at the extreme ends of the spade-shaped body (3). 5. Jonkin patenttivaatimuksen 1-4 mukainen jäähdytyslaite (1) kuumavals- saimeen, tunnettu siitä, että kaavin (5) on jäykästä materiaalista valmistettu mekaaninen kaavin.5. A cooling device (1) for a hot rolling mill according to one of claims 1-4, characterized in that the scraper (5) is a mechanical scraper made of rigid material. 6. — Jonkin patenttivaatimuksista 1-5 mukainen jäähdytyslaite (1) kuumavals- — saimeen, tunnettu siitä, että jäähdytyslaite (1) käsittää lisäksi vähintään yhden lisäpainelaitteen (11), joka on sovitettu toimimaan yhdessä painevälineen (9) kanssa sekä kaapimen (5) että yhden tai useamman välikappaleen (8)6. — A cooling device (1) according to one of claims 1-5 for a hot rolling mill, characterized in that the cooling device (1) additionally comprises at least one additional pressure device (11) which is adapted to work together with a pressure device (9) and a scraper (5) that one or more spacers (8) painamiseksi vasten työtelan pintaa (2') ennalta määrätyllä voimalla.to press against the surface of the work roll (2') with a predetermined force. 7. — Jäähdytyslaite (1) patenttivaatimuksen 6 mukaisen kuumavalssaimeen, tun- nettu siitä, että paineväline (9) ja/tai vähintään yksi lisäpaineväline (11) on ilman- —paineväline ja/tai hydraulinen paineväline.7. — Cooling device (1) for the hot rolling mill according to claim 6, characterized in that the pressure means (9) and/or at least one additional pressure means (11) is an air pressure means and/or a hydraulic pressure means. 8. —Jäähdytyslaite (1) jonkin patenttivaatimuksista 6-7 mukaiseen kuumavals- saimeen, tunnettu siitä, että paineväline (9) ja ainakin yksi lisäpaineväline (11) on sijoitettu kulmaan, joka on 70-120 astetta, toisiin nähden.8. — Cooling device (1) for a hot rolling mill according to one of claims 6-7, characterized in that the pressure means (9) and at least one additional pressure means (11) are placed at an angle of 70-120 degrees with respect to each other. 9. Kuumavalssain, joka käsittää jonkin patenttivaatimuksista 1-8 mukaisen jäähdytyslaitteen (1).9. A hot rolling mill comprising a cooling device (1) according to one of claims 1-8. 10. Patenttivaatimuksen 9 mukainen kuumavalssain, joka käsittää kuumavals- —saimen ohjausjärjestelmän ja jonkin patenttivaatimuksista 6-8 mukaisen jäähdy- tyslaitteen (1), tunnettu siitä, että painevälinettä (9) ja vähintään yhtä lisäpaine- välinettä (11) ohjataan automaattisesti mainitulla kuumavalssaimen ohjausjärjes- telmällä.10. A hot rolling mill according to claim 9, comprising a hot rolling mill control system and a cooling device (1) according to one of claims 6-8, characterized in that the pressure means (9) and at least one additional pressure means (11) are automatically controlled by said hot rolling mill control system - with a telm.
FIEP19817599.4T 2018-12-19 2019-11-25 Cooling device for a hot-rolling mill FI3898020T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18214145 2018-12-19
PCT/EP2019/082443 WO2020126333A1 (en) 2018-12-19 2019-11-25 Cooling device for a hot-rolling mill

Publications (1)

Publication Number Publication Date
FI3898020T3 true FI3898020T3 (en) 2024-01-31

Family

ID=64746224

Family Applications (1)

Application Number Title Priority Date Filing Date
FIEP19817599.4T FI3898020T3 (en) 2018-12-19 2019-11-25 Cooling device for a hot-rolling mill

Country Status (5)

Country Link
EP (1) EP3898020B1 (en)
KR (1) KR20210104710A (en)
ES (1) ES2970134T3 (en)
FI (1) FI3898020T3 (en)
WO (1) WO2020126333A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111889518A (en) * 2020-08-06 2020-11-06 建龙北满特殊钢有限责任公司 Water-saving roll pass surface cooling device, manufacturing method and rolling mill set

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100254076B1 (en) * 1992-10-02 2000-04-15 가나이 쓰도무 Work rolls crossing type mill,rolling equipment and rolling method
BE1017462A3 (en) 2007-02-09 2008-10-07 Ct Rech Metallurgiques Asbl DEVICE AND METHOD FOR COOLING ROLLING CYLINDERS IN HIGHLY TURBULENT.
EP2014379A1 (en) 2007-06-04 2009-01-14 ArcelorMittal France Rolling mill with cooling device and rolling process
DE102009053074A1 (en) 2009-03-03 2010-09-09 Sms Siemag Ag Method and cooling device for cooling the rolls of a roll stand
DE102016223131A1 (en) * 2016-09-06 2018-03-08 Sms Group Gmbh Apparatus and method for applying a liquid medium to a roll and / or to a rolling stock and / or for removing the liquid medium

Also Published As

Publication number Publication date
ES2970134T3 (en) 2024-05-27
WO2020126333A1 (en) 2020-06-25
KR20210104710A (en) 2021-08-25
EP3898020A1 (en) 2021-10-27
EP3898020B1 (en) 2024-01-17

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