DE1608059B1 - Use of a valve on the outflow side of a continuous casting mold - Google Patents
Use of a valve on the outflow side of a continuous casting moldInfo
- Publication number
- DE1608059B1 DE1608059B1 DE19681608059 DE1608059A DE1608059B1 DE 1608059 B1 DE1608059 B1 DE 1608059B1 DE 19681608059 DE19681608059 DE 19681608059 DE 1608059 A DE1608059 A DE 1608059A DE 1608059 B1 DE1608059 B1 DE 1608059B1
- Authority
- DE
- Germany
- Prior art keywords
- cooling
- back pressure
- gap
- valve
- mold
- 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.)
- Withdrawn
Links
- 238000009749 continuous casting Methods 0.000 title claims description 4
- 238000001816 cooling Methods 0.000 claims description 18
- 239000002826 coolant Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000005266 casting Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 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
- B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
Description
Beim Stranggießen von Metallen wird die Schmelze Gegendruck von beispielsweise 0,8 atü der Siedein
eine gekühlte Durchlaufkokille gegossen, aus der punkt von· Wasser von 99° auf 116° C erhöht, Ein
der Strang mit einer um einen flüssigen Kern gebil- weiterer Vorteil bei Anwendung eines Gegendruckes
deten Kruste ausgezogen wird. Für die Qualität und liegt in. der gleichmäßigeren Kühlung durch Ausgleich
Weiterverarbeitung des Gußproduktes ist seine Ober- 30 des Kokillenwandverzuges. Eine günstige Wirkung
flächenbeschaffenheit ein ausschlaggebender Faktor. ist außerdem durch Verringerung eines allfälligen
Häufig auftretende Fehler sind Risse, die durch - Gashohlraumes, der z. B. durch Luftblasen entsteht,
ungleichmäßige und allzu schroffe Kühlung in der gegeben.
Kokille entstehen. Beim Gießen von Brammen soll der GegendruckIn the continuous casting of metals, the melt counterpressure of, for example, 0.8 atmospheres of the boiling point is poured into a cooled continuous mold, from which point water is increased from 99 ° to 116 ° C. The strand with a liquid core is another advantage Application of a counter pressure the crust is pulled out. For the quality and lies in the more uniform cooling through compensation. Further processing of the cast product is its upper part of the mold wall distortion. A favorable effect surface quality is a decisive factor. is also by reducing any errors that frequently occur are cracks caused by - gas cavity, z. B. caused by air bubbles, uneven and too abrupt cooling in the given.
Mold emerge. When casting slabs, the counter pressure should
Es ist eine Maßnalrme zur Verringerung der Warm- 35 vorzugsweise zwischen 0,5 und 1,5 atü liegen. Bei
rißneigung bekannt, bei der durch Aufbringen einer Anwendung eines Gegendruckes kann mit einer
Schicht aus schlecht wärmeleitendem Material auf Kokile gearbeitet werden, die entlüftbar ist
die Kühlmittelseite der Kokillenwand die Kühl- Der Gegendruck kann auf verschiedene Weise er-It is a measure of reduction in warmth, preferably between 0.5 and 1.5 atmospheres. When there is a known tendency to crack, by applying a counterpressure, a layer of poorly thermally conductive material can be used on the mold, which can be vented
the coolant side of the mold wall the cooling The back pressure can be
intensität gemildert wird. Diese Methode hat jedoch zeugt werden. Beispielsweise wird an der Wasserden Nachteil, daß die Kühlbedingungen bei einmal 4° austrittsseite ein Schieber oder Ventil angebracht, aufgetragener Schicht für verschiedene Gießbedin- wodurch der Gegendruck auch während des Gusses gungen, wie es z. B. beim Vergießen von versctrie- eingestellt und geregelt werden kann. Diese Regelung denen Qualitäten oder Änderungen der Gießverhält- kann z. B. in Abhängigkeit der durch das Kühlwasser nisse während eines Gusses erforderlich ist, nicht abgeführten Wärmemenge vorgenommen werden. , mehr geändert werden können. Außerdem stößt die 45 Die Figur veranschaulicht ein Ausführungsbeispiel ' Auftragung einer solchen Schicht auf Schwierigkeiten. der Erfindung. Ein in die Kokille 1 gegossenes Metallintensity is softened. However, this method has to be testified. For example, the water has the disadvantage that the cooling conditions at once 4 ° on the outlet side a slide or valve is attached, applied layer for different casting conditions, whereby the back pressure is maintained even during casting, as is e.g. B. when pouring versctrie- can be adjusted and regulated. This scheme which qualities or changes in the casting ratio can, for. B. depending on the nits required by the cooling water during a casting, not dissipated amount of heat can be made. , more can be changed. In addition, the figure illustrates an embodiment of applying such a layer encounters difficulties. the invention. A metal poured into the mold 1
Es wurde auch schon vorgeschlagen, den oberen erstarrt zu einem Strang, dessen flüssiger Kern 2 von Teil der Kokille aus schlechter wärmeleitendem einer erstarrten Randschicht 3 umgeben ist. Die Material als den unteren Teil in Form eines Einsatzes Kokille 1 wird durch ein strömendes Kühlmittel, das herzustellen, doch gilt-, besonders das Problem der 50 durch das Rohr 4 zu- und durch das Rohr 5 abge-Stoßfugen wegen der Schwierigkeit der unterschied- führt wird, gekühlt. Im abflußseitigen Rohr 5 ist ein liehen Wärmedehnung als noch nicht gelöst. Ventil vorgesehen, mit dem die Einstellung desIt has also been suggested that the upper part solidifies into a strand, the liquid core of which is 2 from Part of the mold made of poorly thermally conductive a solidified edge layer 3 is surrounded. the Material as the lower part in the form of an insert mold 1 is made by a flowing coolant that to produce, but especially the problem of 50 through the pipe 4 and ab-butt joints through the pipe 5 applies because of the difficulty of differentiating it is cooled. In the downstream pipe 5 is a borrowed thermal expansion as not yet resolved. Valve provided with which the setting of the
Es ist ferner eine Kokille bekannt bei der Kühl- Gegendruckes des strömenden Kühhnediums in der wasser über mehrere mit Hähnen versehenen Kühl- Kokille vorgenommen wird. Unter dem Begriff mitteleintrittsstellen zu- und über Auslaufstutzen ab- 55 »Ventil« wird jedes geeignete Absperr-bzw. Reguliergeführt wird, wobei letztere ebenfalls mit Hähnen organ, z. B. ein Schieber 6, verstanden.There is also a mold known for the cooling back pressure of the flowing cooling medium in the water is made through several cooling molds provided with taps. Under the term any suitable shut-off or drainage point is used. Regulation-led is, the latter also organ with cocks, z. B. a slide 6 understood.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH284667A CH455164A (en) | 1967-02-24 | 1967-02-24 | Method for cooling a mold during continuous casting |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1608059B1 true DE1608059B1 (en) | 1972-05-04 |
Family
ID=4242894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19681608059 Withdrawn DE1608059B1 (en) | 1967-02-24 | 1968-02-22 | Use of a valve on the outflow side of a continuous casting mold |
Country Status (7)
Country | Link |
---|---|
US (1) | US3572420A (en) |
AT (1) | AT280507B (en) |
BE (1) | BE711195A (en) |
CH (1) | CH455164A (en) |
DE (1) | DE1608059B1 (en) |
FR (1) | FR1554483A (en) |
SE (1) | SE344548B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU68861A1 (en) * | 1973-11-26 | 1975-08-20 | ||
GB1527080A (en) * | 1974-11-28 | 1978-10-04 | Davy Int Ltd | Continuous casting mould |
-
1967
- 1967-02-24 CH CH284667A patent/CH455164A/en unknown
-
1968
- 1968-02-21 US US707060A patent/US3572420A/en not_active Expired - Lifetime
- 1968-02-22 FR FR1554483D patent/FR1554483A/fr not_active Expired
- 1968-02-22 DE DE19681608059 patent/DE1608059B1/en not_active Withdrawn
- 1968-02-23 BE BE711195D patent/BE711195A/xx unknown
- 1968-02-23 AT AT175168A patent/AT280507B/en not_active IP Right Cessation
- 1968-02-26 SE SE2440/68A patent/SE344548B/xx unknown
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
SE344548B (en) | 1972-04-24 |
FR1554483A (en) | 1969-01-17 |
CH455164A (en) | 1968-04-30 |
US3572420A (en) | 1971-03-23 |
AT280507B (en) | 1970-04-10 |
BE711195A (en) | 1968-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
E77 | Valid patent as to the heymanns-index 1977 | ||
8339 | Ceased/non-payment of the annual fee |