EP3856432A1 - Kokillenplatte - Google Patents
KokillenplatteInfo
- Publication number
- EP3856432A1 EP3856432A1 EP19762305.1A EP19762305A EP3856432A1 EP 3856432 A1 EP3856432 A1 EP 3856432A1 EP 19762305 A EP19762305 A EP 19762305A EP 3856432 A1 EP3856432 A1 EP 3856432A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mold plate
- insert
- cooling
- closed position
- plate according
- 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
Links
- 238000001816 cooling Methods 0.000 claims abstract description 77
- 238000005266 casting Methods 0.000 claims abstract description 14
- 238000007373 indentation Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000000498 cooling water Substances 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 8
- 238000009749 continuous casting Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/0408—Moulds for casting thin slabs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/057—Manufacturing or calibrating the moulds
Definitions
- the invention relates to a mold plate with the features in the preamble of claim 1.
- a mold for continuous casting such as thin slab caster, has water-cooled mold plates.
- the mold plates consist of particularly conductive copper alloys.
- the cooling water heats up to such an extent that boiling of the cooling water can only be prevented in some areas by high water pressure.
- lime and other components dissolved in the cooling water are deposited on the wall of the mold plate to be cooled.
- These deposits have an insulating effect and have a negative effect on the heat dissipation from the mold plate.
- Even with thin deposits the temperature of the mold plate in the affected area can increase, which can lead to softening of the copper material.
- the deposits can be kept low by regular checks and cleaning cycles or removed if necessary.
- the Cleaning cycles are accompanied by disassembly of the mold plate so that the cooling surface of the mold plate can be reached at all.
- DE 10 2016 124 801 B3 discloses a mold plate which has a plurality of fastening points on its rear for fastening.
- the mold plate has rear inserts, which are arranged in cooling channels.
- the inserts are supported on bars and extend to the height of the back.
- the inserts significantly increase the flow velocity within adjacent cooling slots.
- the inserts are held by screw connections and partly by clips on the back.
- DE 198 42 674 A1 discloses a mold wall of a continuous casting mold.
- An inner mold plate has webs on its side facing the water tank with grooves running in between, in which filler pieces are arranged.
- the grooves have undercuts, that the filler pieces have connecting elements, that the filler pieces releasably engage in the undercuts, and that the screw connections are arranged between the filler pieces and the water tank.
- EP 1 757 385 A2 discloses a mold broad side of a funnel mold with at least one groove-shaped cooling channel in the rear of the broad side.
- Cutouts are provided and filler pieces for at least partially closing the cutouts.
- the recesses are limited in their length in the longitudinal direction of the cooling channel to a section of the cooling channel. In this direction, they have a rectangular and / or wedge-shaped cross section.
- the depth of the cooling channel in the broadside of the mold in the region of the intersecting cutouts is to be changed step-wise and / or linearly and is to be filled with appropriate filler pieces.
- DE 102 37 472 A1 discloses a liquid-cooled mold for the continuous casting of metals, in which the mold plates are connected to an adapter plate or a water tank by means of fastening bolts.
- the fastening bolts are attached to plateau bases protruding from the coolant side of the mold plate, which protrude at least partially into a coolant gap formed between the mold plate or adapter plate or the water tank and have a streamlined shape which is adapted to the direction of flow of the coolant.
- the invention has for its object to show a mold plate, which has cooling channels with inserts open on the back to the rear, the maintenance work in the area of the inserts being facilitated.
- the mold plate according to the invention has a casting side and a rear side facing away from the casting side.
- In the back there is at least one cooling duct open to the back.
- An insert is arranged in the cooling channel in order to reduce the flow cross section of the cooling channel and to increase the flow rate of the cooling water.
- the flow cross-section is not completely blocked, but reduced to the extent that an inflow opening and an outflow opening adjacent to the inserts remain free and also to the extent that between the inflow opening and the outflow opening the desired cooling gap is available for the flow of cooling water.
- the invention provides that the insert is fastened to the mold plate so that it can pivot.
- a pivotable attachment of the at least one insert has the advantage that the insert can be opened for inspection, maintenance and cleaning. On the one hand, this enables unhindered access to the cooling side of the mold plate. At the same time, by opening the inserts, the inside of the inserts becomes visible and accessible and can also be easily cleaned. Another advantage is that the pivoting inserts basically remain on the mold plate. You cannot get lost. This is a significant gain in safety, since assembly errors during the assembly of the mold plate are excluded.
- the mold plate according to the invention preferably has a plurality of cooling channels and accordingly a plurality of inserts.
- the mold plate for example for thin slab continuous casting, is arranged essentially vertically in the installed position due to the gravity of the melt.
- the cooling channels preferably run parallel to the casting direction, i. H. from the upper end of the mold plate to the lower end of the mold plate. It is considered to be particularly advantageous if the pivot axis of the insert is perpendicular to the longitudinal direction of the at least one cooling channel. As a result, the insert can be pivoted into the cooling channel in the longitudinal direction. This simplifies handling. Since the cooling channels are generally much longer than they are wide, the pivot axis can be shorter as a result.
- the pivot axis is located at a lower end of the mold plate.
- a horizontal swiveling axis in particular at the lower end allows the use of a closed position into an open position can be folded down. Gravity automatically keeps the insert in the open position. It is not necessary to support the insert as would be necessary with a top-side pivot axis or with a differently oriented pivot axis.
- the mold plate with the inserts is in front of the fitter like an open book, the pages or inserts of which are folded down.
- the inserts are preferably pivotable to the extent that they can be pivoted beyond 90 ° from the closed position to the open position. As a result, the inserts can also be held in the open position when the mold is placed horizontally, for example.
- a plurality of pivotable inserts are preferably also provided.
- the pivot axes of all inserts are preferably located in a common axis and in particular at the lower end of the mold plate.
- Locking means are preferably arranged on the back so that the inserts are held in the closed position when the mold plate is mounted in the water tank again. These locking means can be screwed on. It can be, for example, a cross bar which has a fastening section for fastening to the mold plate and a latch projection which engages over a rear side of the insert in the closed position. Such a locking means can also have a plurality of locking projections and at the same time lock a plurality of inserts adjacent to one another in the closed position.
- a locking means is preferably located between two adjacent inserts. Two locking means are preferably assigned to each insert, one on the left and one on the right. These locking means are as far as possible from the pivot axis, so that the locking means do not have to absorb large forces in order to keep the respective insert in the closed position.
- the insert has an inside that faces the mold plate in the closed position. This inside is a cooling surface of the cooling channel across from.
- the cooling surface is the opposite surface of the casting side of the mold plate.
- a cooling gap is formed between the cooling surface and the inner surface.
- the inside of the insert can be partially in contact with the cooling surface.
- the contact can be formed on the one hand by protrusions on the insert or on the other hand by protrusions on the cooling surface. Since the contact areas are intended to create barriers for the cooling water, so that separate cooling gaps are created, the contact areas serve as a kind of seal. Ridges on the cooling side of the mold plate can increase the rigidity of the mold plate. Therefore, tongue and groove constellations can also arise in the contact area.
- the insert can have grooves on its inside, in which webs of the mold plate engage in the closed position, so that the desired cooling gap between the insert and the mold plate is created between the adjacent webs.
- Each insert can have a plurality of contact areas or a plurality of grooves or, conversely, a plurality of webs, which in this case are held in grooves in the mold plate.
- a single insert can have three grooves, so that four cooling channels are formed adjacent to the three grooves or webs of the mold plate.
- the insert can also be called an insert block and spans several cooling gaps within a single cooling channel at the same time.
- Such an insert block requires only a single pivoting connection.
- the complete insert block is particularly detachably coupled to the back. This makes the insert interchangeable. After the mold plate has worn out, it can be reused in a new mold plate.
- connection between the mold plate and the insert should not necessarily be released for regular maintenance work.
- the swivel connection can be released if necessary.
- a Connection element between the insert and the back This can be an axle that is mounted in the back.
- the connecting element can also be a hinge which is connected to the insert and the mold plate on the back. The connecting element ensures that the insert can be shifted from an open position into a closed position by a guided movement. This also avoids positioning problems. In addition, it can be determined visually if there is no insert in a cooling duct. The assembly security is much greater.
- the contour of the insert is adapted to the conditions on the cooling side of the mold plate.
- it In its basic form, in particular, it is configured to be essentially rectangular. It can also have an opening for a projection arranged in the cooling channel, this projection reaching into the opening in the closed position of the insert.
- Such a breakthrough can be a special mounting point, such as a mounting base.
- the mold plate can be connected directly to a support plate via the mounting base.
- the attachment points of the mold plate are between neighboring inserts. Fastening points that follow one another in the casting direction can be connected to one another via webs. The sequence of attachment points and webs separate the individual cooling channels. The webs between the fastening points are also the lateral boundaries for the inserts. Each insert is preferably located between two such webs.
- the webs can be narrower than the fastening points. Therefore, the insert can be contoured in its longitudinal direction, so that there is a constant gap width to the webs or the fastening points. Due to the preferably several attachment points, the insert can have an indentation for each attachment point on its long side.
- a water inlet and a water outlet are preferably adjacent to a lower end or upper end of the insert.
- the figure shows a perspective view of a mold plate 1, partly in section.
- the rear side 3 of the mold plate 1 is shown, only a partial region of the mold plate 1 being shown from this rear side 3.
- the mold plate 1 has a casting side 2, which is opposite the back 3.
- the casting side 2 is contoured in the area shown and is provided with a concave indentation.
- the back 3 is attached to a support plate, not shown.
- the back 3 of the mold plate 1 is cooled.
- the cooling channels 4, 5 extend in the casting direction, ie in the image plane from top to bottom.
- the two middle cooling channels 4, 5 are open.
- two inserts 6, 7 can be seen. These two inserts 6, 7 are pivotable about a pivot axis S.
- the pivot axis S of the two inserts 6, 7 is perpendicular to the longitudinal direction L of the cooling channels 4, 5. That is, the inserts 6, 7 can be pivoted downward from a closed position into the open position shown. Gravity holds the two inserts 6, 7 in the open position.
- the two inserts 6, 7 can be used independently can be shifted from one another back into the closed position by being pivoted upwards in the image plane.
- the mold plate 1 When the mold plate 1 is in use, the mold plate 1 is supported overall on a support plate, not shown.
- the locking means 11 therefore do not serve to absorb the forces of the cooling liquid acting on the inserts 6-10, but merely to hold the inserts 6-10 in the closed position.
- the cooling channels 4, 5 are configured differently.
- the projection 12 engages in an opening 13 in the insert 7.
- the further insert 9 is configured differently in the closed position from that Adjacent insert 10 or insert 8 at the other end of the mold plate 1.
- the respective inserts 6-10 are adapted to the local cooling requirements in the respective cooling channel 4, 5. They can be swiveled precisely into the respective cooling channels 4, 5.
- the inserts 6-10 have 14 indentations 15 on their longitudinal sides, these indentations 15 are located in the closed position adjacent to fastening points 16, via which the mold plate 1 is connected in the installed position to the support plate (not shown in more detail).
- a plurality of fastening points 16 follow one another in rows spaced apart in the casting direction. Between two neighboring attachment points 16 there are webs 17 which extend to the rear 3 of the mold plate 1.
- the inserts 6-10 lie with small, edge-side projections 26 on depressions 25 in the webs 17 of the mold plates 1 so that they do not fall inwards and can reduce / close the cooling gap.
- cooling water can flow into the respective cooling channel 4, 5 via a water inlet 18 and flow out again via a water outlet 19.
- the cooling water flows over a cooling surface 20 of the mold plate 1, the cooling surface 20 being opposite the casting side 2.
- the cooling surface 20 is opposite an inside 21 of the respective insert 6-10.
- the inner sides 21 are provided with a plurality of grooves 22 which run parallel to one another and run at a distance from one another.
- the grooves 22 are intended to receive webs 23 which protrude from the cooling surface 20 and point towards the rear 3.
- the inserts 6-10 are connected via an axis, not shown, as a connecting element to the mold plate.
- the inserts 6-10 are held captive. Nevertheless, the inserts 6-10 are interchangeable and can be detached from the mold plate 1, in particular if the mold plate 1 is worn and the inserts 6-10 enable further use in a new mold plate.
- the mold plates according to the invention are, in particular, thin-walled mold plates which consist of a copper material and can absorb heat loads of 3-7 MW / m2 and in particular approximately 5 MW / m2 in nominal operation.
- the deposits created by the cooling water should not exceed a thickness of 0.01 mm, although deposits with a thickness of up to 0.5 mm are possible.
- the mold plate should be cleared of even thicker deposits.
- the mold plate is removed from the continuous casting mold. After exposing the The locking means 11 are released on the rear side 3 and the individual inserts 6-10 are pivoted from the closed position into the open position in order to maintain and clean them. After cleaning, the inserts 6-10 can be swiveled back into the closed position. The locking means 11 are mounted and the mold plate is ready for the next use.
- connecting means 24 can be released, which are screwed to the mold plate 1 in the region of the pivot axis S.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Continuous Casting (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Casting Devices For Molds (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018123948.3A DE102018123948B3 (de) | 2018-09-27 | 2018-09-27 | Kokillenplatte |
PCT/DE2019/100732 WO2020064045A1 (de) | 2018-09-27 | 2019-08-14 | Kokillenplatte |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3856432A1 true EP3856432A1 (de) | 2021-08-04 |
EP3856432B1 EP3856432B1 (de) | 2022-11-16 |
Family
ID=67701420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19762305.1A Active EP3856432B1 (de) | 2018-09-27 | 2019-08-14 | Kokillenplatte |
Country Status (11)
Country | Link |
---|---|
US (1) | US11135645B2 (de) |
EP (1) | EP3856432B1 (de) |
JP (1) | JP7096465B2 (de) |
KR (1) | KR102255249B1 (de) |
CN (1) | CN112004624A (de) |
CA (1) | CA3096132C (de) |
DE (1) | DE102018123948B3 (de) |
MX (1) | MX2020009179A (de) |
RU (1) | RU2742999C1 (de) |
WO (1) | WO2020064045A1 (de) |
ZA (1) | ZA202101967B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110666116B (zh) * | 2019-11-21 | 2024-10-01 | 西峡龙成特种材料有限公司 | 一种结晶器铜板和连铸结晶器 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63157452U (de) * | 1987-03-27 | 1988-10-14 | ||
RU2080958C1 (ru) * | 1994-07-18 | 1997-06-10 | Акционерное общество "Богословский алюминиевый завод" | Установка непрерывного литья |
JP2971747B2 (ja) * | 1994-08-09 | 1999-11-08 | 住友重機械工業株式会社 | 連続鋳造用モールドのモールド壁 |
JP3318477B2 (ja) * | 1995-10-26 | 2002-08-26 | 川崎製鉄株式会社 | 連続鋳造用鋳型 |
DE19802809A1 (de) * | 1998-01-27 | 1999-07-29 | Km Europa Metal Ag | Flüssigkeitsgekühlte Kokille |
DE19842674A1 (de) | 1998-09-17 | 2000-03-23 | Schloemann Siemag Ag | Kokillenwand einer Stranggießkokille |
DE10237472A1 (de) | 2002-08-16 | 2004-02-26 | Km Europa Metal Ag | Flüssigkeitsgekühlte Kokille |
JP4441418B2 (ja) * | 2005-02-14 | 2010-03-31 | 新日鉄エンジニアリング株式会社 | 連続鋳造用鋳型 |
JP2006320925A (ja) * | 2005-05-18 | 2006-11-30 | Sanyo Special Steel Co Ltd | 均一冷却によって鋳片疵を防止する連続鋳造用鋳型 |
DE102005026329A1 (de) * | 2005-06-07 | 2006-12-14 | Km Europa Metal Ag | Flüssigkeitsgekühlte Kokille zum Stranggießen von Metallen |
DE102005040634A1 (de) * | 2005-08-27 | 2007-03-01 | Sms Demag Ag | Kokillenbreitseite einer Trichterkokille |
EP2014393B1 (de) * | 2007-06-04 | 2012-04-11 | Concast Ag | Kokille zum Stranggiessen von Vorblöcken, Brammen oder Knüppeln |
JP4808196B2 (ja) | 2007-08-31 | 2011-11-02 | 三島光産株式会社 | 連続鋳造用鋳型 |
RU2483830C1 (ru) * | 2011-11-29 | 2013-06-10 | Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт черной металлургии им. И.П. Бардина" | Способ непрерывной разливки металлов |
CN202353967U (zh) | 2011-12-06 | 2012-07-25 | 广州市能迪自动化设备有限公司 | 一种电控箱 |
CN203189434U (zh) | 2013-03-27 | 2013-09-11 | 徐州徐工挖掘机械有限公司 | 可快速拆卸封板的固定装置 |
CN203523189U (zh) | 2013-09-16 | 2014-04-02 | 广州市赛科自动化控制设备有限公司 | 控制面板的磁性自锁结构 |
CN206061319U (zh) | 2016-08-25 | 2017-03-29 | 苏州鑫点石精密机械制造有限公司 | 一种报警系统控制箱 |
DE102016124801B3 (de) | 2016-12-19 | 2017-12-14 | Kme Germany Gmbh & Co. Kg | Kokillenplatte und Kokille |
CN207134635U (zh) | 2017-07-26 | 2018-03-23 | 安徽驰纬电气有限公司 | 一种开关柜封板 |
CN207290829U (zh) | 2017-09-11 | 2018-05-01 | 嘉兴安度医疗科技有限公司 | 一种带有水冷装置的医用试剂盒模具注塑装置 |
-
2018
- 2018-09-27 DE DE102018123948.3A patent/DE102018123948B3/de not_active Expired - Fee Related
-
2019
- 2019-08-14 RU RU2020129106A patent/RU2742999C1/ru active
- 2019-08-14 KR KR1020207032198A patent/KR102255249B1/ko active IP Right Grant
- 2019-08-14 CN CN201980026205.8A patent/CN112004624A/zh active Pending
- 2019-08-14 EP EP19762305.1A patent/EP3856432B1/de active Active
- 2019-08-14 WO PCT/DE2019/100732 patent/WO2020064045A1/de unknown
- 2019-08-14 JP JP2021508278A patent/JP7096465B2/ja active Active
- 2019-08-14 CA CA3096132A patent/CA3096132C/en active Active
- 2019-08-14 US US17/052,444 patent/US11135645B2/en active Active
- 2019-08-14 MX MX2020009179A patent/MX2020009179A/es unknown
-
2021
- 2021-03-24 ZA ZA2021/01967A patent/ZA202101967B/en unknown
Also Published As
Publication number | Publication date |
---|---|
ZA202101967B (en) | 2022-04-28 |
WO2020064045A1 (de) | 2020-04-02 |
KR20200130498A (ko) | 2020-11-18 |
CA3096132A1 (en) | 2020-04-02 |
RU2742999C1 (ru) | 2021-02-12 |
KR102255249B1 (ko) | 2021-05-21 |
JP2021534974A (ja) | 2021-12-16 |
US11135645B2 (en) | 2021-10-05 |
EP3856432B1 (de) | 2022-11-16 |
CA3096132C (en) | 2021-12-21 |
US20210162490A1 (en) | 2021-06-03 |
MX2020009179A (es) | 2021-07-14 |
JP7096465B2 (ja) | 2022-07-06 |
CN112004624A (zh) | 2020-11-27 |
DE102018123948B3 (de) | 2019-09-12 |
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