EP0197135A1 - Stranggiessvorrichtung. - Google Patents
Stranggiessvorrichtung.Info
- Publication number
- EP0197135A1 EP0197135A1 EP85905318A EP85905318A EP0197135A1 EP 0197135 A1 EP0197135 A1 EP 0197135A1 EP 85905318 A EP85905318 A EP 85905318A EP 85905318 A EP85905318 A EP 85905318A EP 0197135 A1 EP0197135 A1 EP 0197135A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chain
- casting wheel
- recess
- casting
- band
- 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
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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0602—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a casting wheel and belt, e.g. Properzi-process
Definitions
- the invention relates to a continuous casting device, in which molten material is guided into a recess running on the outer circumference of a casting wheel in the circumferential direction thereof, which is open in the radial direction, and at least partially solidifies in the latter during the rotational movement of the casting wheel before the strand thus formed is led out of the recess is, with a circumferentially at least partially closing the portion of the recess filled with the material, pressed against the casting wheel.
- the belt consists of an endless steel belt guided over three deflection rollers.
- One of these three deflection rollers is movably mounted and subjected to a force in such a way that a certain tensile stress prevails in the steel strip.
- This tensile stress is required in order to obtain the necessary contact pressure of the steel strip against the casting wheel. Due to this strong tensile load and the high temperature of the molten material, the steel strip is exposed to considerable stresses, so that it wears out very quickly and has to be replaced frequently.
- a separate pressing element is provided behind the belt and presses it against the casting wheel.
- This preferably consists of a revolving chain.
- This and the belt can each be guided over three deflection rollers, two of which can be used together for the chain and the belt.
- at least one of the deflection rollers is movably mounted for the chain and is subjected to a force which causes a tensile force in the chain.
- Fig. 1 shows a continuous caster in a schematic representation in side view
- Fig. 2 shows a section along the line AA in Fig. 1 perpendicular to the plane of the drawing.
- the system shown allows continuous casting and, for example in conjunction with a connected rolling mill, enables the finished product such as steel bars, light profiles or wire rod to be produced from the melting heat of the liquid steel without interruption and without additional heat.
- This continuous operation of a casting plant connected to a rolling mill thus leads to considerable cost savings.
- the system in FIG. 1 contains a tundish 1, into which liquid steel 2 is filled from steel transport pans, not shown.
- the task of the tundish 1 is to position the pouring jet precisely and to serve as a buffer during the change of ladle in the case of sequence castings.
- the liquid steel flows through a nozzle 3 into a recess 4 of a casting wheel 5.
- the recess 4 runs in the circumferential direction of the casting wheel 5 and provides is a self-contained groove. It has a trapezoidal shape, that is to say in the radial direction its inner surface is somewhat narrower than the outer surface.
- the inner surface has a length of 130 mm in the axial direction of the casting wheel 5, for example, and the outer edge has a length of 160 mm, while the depth of the recess 4 is 128 mm, for example.
- the recess 4 is open to the outside in the radial direction.
- the casting wheel 5 is preferably made of one Steel frame and a water-cooled, the
- the open side of the recess 4 is closed at least in the area of the still liquid steel filling by a steel band 6 running along.
- This steel belt runs along with it over a length of about a quarter of the circumference of the casting wheel 5 and consists of an endless belt guided over three deflection rollers 7, 8 and 9.
- the storage of these deflection rollers 7 to 9 is carried out in such a way that the steel belt 6 is not exposed to any significant tensile stresses.
- An endless chain 11 runs over the deflection rollers 8 and 9 and a further deflection roller 10 such that the steel strip 6 is located in the section between the deflection rollers 8 and 9 between the casting wheel 5 and the chain 11.
- the deflection roller 10 is movably mounted, a force acting on this deflection roller 10 in order to maintain a predetermined tension in the chain 11. This tension in the chain 11 ensures that the steel strip 6 is pressed firmly against the casting wheel 5, so that the recess 4 is tightly closed to the outside and the liquid steel located therein cannot escape.
- the formation of a link of the chain 11 is shown in cross section in FIG. 2.
- the chain link has 2 outer webs 12, which the steel band 6 at the edges press the recess 4 firmly against the casting wheel 5.
- the webs 12 are connected to one another by a bridge element 13. This is guided at a distance over the steel band 6 so that it is not exposed to any radial contact pressure over the recess 4 itself.
- the webs 12 of the individual chain links connect directly to one another, so that they form a continuous pressure line to both
- the steel in the recess 4 solidifies during the rotation of the casting wheel 5 between the two deflection rollers 8 and 9 to such an extent that a solid shell is formed.
- This partially solidified strand is released from the recess 4 by a water-cooled scraper 14 and fed to a bending tooth 15 and a directional driver 16.
- the rotating casting wheel is cleaned by brushing, drying and sprayed with casting oil.
- the strand is already cooled in the bending zone 15 by open spray cooling, so that the residual liquid sump is solidified in a controlled manner. Here he is played by several roles straight bent and finally straightened in the directional driver.
- the strand then passes through a so-called compensation zone in which additional cooling does not take place and heat compensation takes place in the strand.
- this compensation zone At the end of this compensation zone, it therefore has a temperature field that is largely homogeneous across its cross section. It can then be inserted directly into a rolling mill.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85905318T ATE59798T1 (de) | 1984-10-17 | 1985-10-16 | Stranggiessvorrichtung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3438482 | 1984-10-17 | ||
DE19843438482 DE3438482A1 (de) | 1984-10-17 | 1984-10-17 | Stranggiessvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0197135A1 true EP0197135A1 (de) | 1986-10-15 |
EP0197135B1 EP0197135B1 (de) | 1991-01-09 |
Family
ID=6248374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85905318A Expired - Lifetime EP0197135B1 (de) | 1984-10-17 | 1985-10-16 | Stranggiessvorrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US4693295A (de) |
EP (1) | EP0197135B1 (de) |
BR (1) | BR8506993A (de) |
CA (1) | CA1242562A (de) |
DE (2) | DE3438482A1 (de) |
WO (1) | WO1986002298A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100537429B1 (ko) * | 2003-05-13 | 2005-12-19 | 한국기계연구원 | 휠밴드 연속주조에 의한 마그네슘합금의 판재 제조장치 및제조방법 |
CN110842841A (zh) * | 2019-11-19 | 2020-02-28 | 徐州易尚饰家装饰工程有限责任公司 | 钢缆张紧结构 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2206930A (en) * | 1938-07-29 | 1940-07-09 | William R Webster | Continuous molding machine |
US2246907A (en) * | 1940-04-12 | 1941-06-24 | William R Webster | Continuous molding machine |
GB861273A (en) * | 1959-05-21 | 1961-02-15 | Cie Metaux Doverpelt Lommel | Improvements in and relating to the casting of non-ferrous metals |
FR1254709A (fr) * | 1959-05-21 | 1961-02-24 | Cie Metaux Doverpelt Lommel | Coulée continue de métaux non ferreux en bandes larges |
US4030537A (en) * | 1975-06-25 | 1977-06-21 | Southwire Company | Thin gauge casting wheel band |
FR2359663A1 (fr) * | 1976-07-27 | 1978-02-24 | Pechiney Aluminium | Ruban metallique sans tension et a haute conductibilite thermique pour machine de coulee |
-
1984
- 1984-10-17 DE DE19843438482 patent/DE3438482A1/de not_active Withdrawn
-
1985
- 1985-10-16 DE DE8585905318T patent/DE3581289D1/de not_active Expired - Fee Related
- 1985-10-16 EP EP85905318A patent/EP0197135B1/de not_active Expired - Lifetime
- 1985-10-16 WO PCT/DE1985/000404 patent/WO1986002298A1/de active IP Right Grant
- 1985-10-16 US US06/881,031 patent/US4693295A/en not_active Expired - Fee Related
- 1985-10-16 BR BR8506993A patent/BR8506993A/pt unknown
- 1985-10-17 CA CA000493232A patent/CA1242562A/en not_active Expired
Non-Patent Citations (1)
Title |
---|
See references of WO8602298A1 * |
Also Published As
Publication number | Publication date |
---|---|
BR8506993A (pt) | 1987-01-06 |
DE3438482A1 (de) | 1986-04-17 |
EP0197135B1 (de) | 1991-01-09 |
DE3581289D1 (de) | 1991-02-14 |
CA1242562A (en) | 1988-10-04 |
US4693295A (en) | 1987-09-15 |
WO1986002298A1 (en) | 1986-04-24 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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