US3860061A - Arrangement at a continuous casting plant - Google Patents
Arrangement at a continuous casting plant Download PDFInfo
- Publication number
- US3860061A US3860061A US376737A US37673773A US3860061A US 3860061 A US3860061 A US 3860061A US 376737 A US376737 A US 376737A US 37673773 A US37673773 A US 37673773A US 3860061 A US3860061 A US 3860061A
- Authority
- US
- United States
- Prior art keywords
- bar
- mould
- continuous casting
- tub
- parts
- 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
Links
- 238000009749 continuous casting Methods 0.000 title claims abstract description 15
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000005266 casting Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- B22D11/16—Controlling or regulating processes or operations
-
- 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
- B22D11/14—Plants for continuous casting
- B22D11/148—Safety arrangements
Definitions
- ABSTRACT relates to an arrangement at a continuous casting plant in which a bar having a liquid core and a solidified bar shell is drawn out in downward direction from a vertically arranged, water-cooled mould. It comprises a tub which is arranged below the mould to completely surround the bar shell in circumferential direction. The tub is open at its top and serves to receive liquid metal in case the bar breaks through, thus protecting the plant parts below the mould.
- the invention relates to an arrangement at a continuous casting plant, in particular at a plant for continuously casting steel bars, in which a bar having a liquid core and a solidified bar shell is drawn out in downward direction from a vertically arranged, water-cooled mould.
- the invention is aimed at avoiding the described disadvantages and at providing a protecting arrangement at a continuous casting plant to prevent damages in case the metal breaks through.
- this task is achieved in that below the mould a tub is provided to completely surround the circumference of the bar shell, which tub is open at its top and receives liquid metal in case the bar breaks through.
- the tub is designed of two parts which are horizontally displaceable towards each other and connected to a displacing means for adjusting said parts to the bar shell.
- FIG. 1 is a vertical sectional view of a continuous casting plant with a mould and a supporting and guiding structure for the bar to be drawn out, which plant is provided with an arrangement according to the in vention.
- FIG. 2 is a horizontal sectional view along the line IIII of FIG. 1, in which the tub comprising two parts for receiving the liquid steel is shown in the position in which it is adjusted to the bar shell.
- numeral 1 denotes a vertically arranged, water-cooled continuous casting mould from which a bar 2 with a liquid core 3 and a solidified bar shell 4 is drawn out in downward direction on a supporting and guiding structure comprising rollers 5 arranged on both sides of the bar 2.
- the first two pairs of rollers 5 which are arranged immediately below the mould oscillate with the mould 1, i.e., they are rigidly connected with the mould.
- the pairs of rollers 5 below said rollers are stationarily arranged at the supporting and guiding structure.
- two parts 6, 7 of a tub-shaped collecting vessel for liquid metal are arranged opposite each other, which are preferably made of steel sheet.
- the tub-shaped parts 6, 7 have in their bottom rectangular or U-shaped recesses 8, 9 which correspond to the cross section of the bar.
- Numerals 10, II denote the side walls of the tub-parts 6, 7.
- Each tubpart 6, 7 is displaceable by means of rollers 12 and 13, respectively, in horizontal direction towards the bar 2, and, by means of a coupling 14 and 15, respectively, releasably connected with a piston rod 16 and 17, respectively, and a piston 18 and 19, respectively, of a cylinder 20 and 21, respectively, that may be actuated hydraulically or pneumatically.
- the tub-parts 6, 7 are in the position shown in FIG. 2.
- the cylinders 20, 21 are actuated by hand or automatically and brought into the closing position shown in FIG. 2.
- the cooling water running from the bar 2 is not collected in the tub 6, 7, in which case detonating gas explosions might occur.
- the capacity of the tub 6, 7 is adjusted to the metal volume of the bar 2 above the area at which the break-out occurred.
- the tubparts 6, 7 are separated from the piston rods 16, 17 by releasing the couplings 14, 15; they are removed from the bar 2 by means of a flame cutter and replaced by new tub-parts.
- a second protection arrangement below said means at the transition to the arcuate bar guiding structure.
- An apparatus for use in a continuous casting plant for the continuous casting of steel bars in which a cast bar having a liquid core and a solidified bar shell is cast in a downward direction from a water cooled mould, comprising a container positioned below the mould and adapted to substantially surround the bar shell, said container being open at its top to receive liquid metal in the event that the liquid metal breaks through the bar shell and having at least two parts which are horizontally displaceable relative to each other, and means for horizontally displacing the parts of the container relative to the bar shell.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to an arrangement at a continuous casting plant in which a bar having a liquid core and a solidified bar shell is drawn out in downward direction from a vertically arranged, water-cooled mould. It comprises a tub which is arranged below the mould to completely surround the bar shell in circumferential direction. The tub is open at its top and serves to receive liquid metal in case the bar breaks through, thus protecting the plant parts below the mould.
Description
Unlted States Patent 1191 1111 3,860,061 Hoyer Jan. 14, 1975 [5 ARRANGEMENT AT A CONTINUOUS 3,089,209 5/1963 Phillips 164/89 x CASTING PLANT 3,324,932 6/1967 Ayers 164/89 3,354,941 11/1967 Halsteacl 164/283 s Inventor: Otto Hoyer, Linz, Austria Assignee: Vereinigte Osterreichische Eisenund Stahlwerke Alpine Montan Aktiengesellschaft, Vienna, Austria Filed: July 5, 1973 Appl. No.: 376,737
Foreign Application Priority Data Aug. 17, 1972 Austria 7095/72 U.S. Cl. 164/153, 164/283 Int. Cl. B226 19/04 Field of Search 164/83, 89, 152, 153, 283 R,
164/283 M, 283 MS References Cited UNITED STATES PATENTS 2/1959 Wieland 164/89 X Primary ExaminerFrancis S. Husar Assistant ExaminerJohn S. Brown Attorney, Agent, or FirmBrumbaugh, Graves, Donohue & Raymond [57] ABSTRACT The invention relates to an arrangement at a continuous casting plant in which a bar having a liquid core and a solidified bar shell is drawn out in downward direction from a vertically arranged, water-cooled mould. It comprises a tub which is arranged below the mould to completely surround the bar shell in circumferential direction. The tub is open at its top and serves to receive liquid metal in case the bar breaks through, thus protecting the plant parts below the mould.
1 Claim, 2 Drawing Figures PATENTED JANI 4l975 ARRANGEMENT AT A CONTINUOUS CASTING PLANT The invention relates to an arrangement at a continuous casting plant, in particular at a plant for continuously casting steel bars, in which a bar having a liquid core and a solidified bar shell is drawn out in downward direction from a vertically arranged, water-cooled mould.
When hot liquid metals are cast continuously, in particular when steel bars are cast continuously, it may happen that liquid metal breaks through the already solidified bar shell. Such out-breaks usually occur immediately below the mould in a relatively small circumferential zone of the cast bar. Though by controlling the casting speed and cooling the bar together with measuring the bar shell thickness it is possible to obtain a high operational safety in a continuous casting plant and to keep the number of out-breaks small, such a break through of metal will remain feared as the parts below the continuous casting mould, such as supporting and guiding rollers, parts of the supporting construction and the like are damaged by the steel running out and welding with these parts. Frequently it is necessary to remove completely the supporting and guiding structure adjacent to the mould and the cooling means for the bar and to replace them by new parts so that the plant will have to remain idle sometimes up to a few days.
The invention is aimed at avoiding the described disadvantages and at providing a protecting arrangement at a continuous casting plant to prevent damages in case the metal breaks through. According to the invention this task is achieved in that below the mould a tub is provided to completely surround the circumference of the bar shell, which tub is open at its top and receives liquid metal in case the bar breaks through. Advantageously the tub is designed of two parts which are horizontally displaceable towards each other and connected to a displacing means for adjusting said parts to the bar shell.
In order that the invention may be more fully understood, it shall now be explained by reference to the accompanying drawing.
FIG. 1 is a vertical sectional view of a continuous casting plant with a mould and a supporting and guiding structure for the bar to be drawn out, which plant is provided with an arrangement according to the in vention.
FIG. 2 is a horizontal sectional view along the line IIII of FIG. 1, in which the tub comprising two parts for receiving the liquid steel is shown in the position in which it is adjusted to the bar shell.
In FIG. 1 numeral 1 denotes a vertically arranged, water-cooled continuous casting mould from which a bar 2 with a liquid core 3 and a solidified bar shell 4 is drawn out in downward direction on a supporting and guiding structure comprising rollers 5 arranged on both sides of the bar 2. The first two pairs of rollers 5 which are arranged immediately below the mould oscillate with the mould 1, i.e., they are rigidly connected with the mould. The pairs of rollers 5 below said rollers are stationarily arranged at the supporting and guiding structure. Experience has shown that the danger of metal out-breaks is given in the area of the pairs of rollers oscillating with the mould 1 and at the transition to the pairs of rollers rigidly mounted at the supporting and guiding structure. percent of all out-breaks occur at the bar edges. According to the invention below this critical circumferential zone, laterally of the bar 2, two parts 6, 7 of a tub-shaped collecting vessel for liquid metal are arranged opposite each other, which are preferably made of steel sheet. Thus the flowing out metal may solidify rapidly and weld with the tub. The tub-shaped parts 6, 7 have in their bottom rectangular or U-shaped recesses 8, 9 which correspond to the cross section of the bar. Numerals 10, II denote the side walls of the tub-parts 6, 7. Each tubpart 6, 7 is displaceable by means of rollers 12 and 13, respectively, in horizontal direction towards the bar 2, and, by means of a coupling 14 and 15, respectively, releasably connected with a piston rod 16 and 17, respectively, and a piston 18 and 19, respectively, of a cylinder 20 and 21, respectively, that may be actuated hydraulically or pneumatically.
During operation the tub-parts 6, 7 are in the position shown in FIG. 2. As soon as the metal level suddenly sinks in the mould 1 which indicates a metal breakthrough the cylinders 20, 21 are actuated by hand or automatically and brought into the closing position shown in FIG. 2. Owing to the plays 22, 23 between the tub-parts 6, 7 on the one hand and between these parts and the bar shell 4 on the other hand, the cooling water running from the bar 2, is not collected in the tub 6, 7, in which case detonating gas explosions might occur. The capacity of the tub 6, 7 is adjusted to the metal volume of the bar 2 above the area at which the break-out occurred. After the liquid metal has run out, the tubparts 6, 7 are separated from the piston rods 16, 17 by releasing the couplings 14, 15; they are removed from the bar 2 by means of a flame cutter and replaced by new tub-parts. In continuous casting plants with a bending means it is possible to provide a second protection arrangement below said means at the transition to the arcuate bar guiding structure.
I claim:
1. An apparatus for use in a continuous casting plant for the continuous casting of steel bars in which a cast bar having a liquid core and a solidified bar shell is cast in a downward direction from a water cooled mould, comprising a container positioned below the mould and adapted to substantially surround the bar shell, said container being open at its top to receive liquid metal in the event that the liquid metal breaks through the bar shell and having at least two parts which are horizontally displaceable relative to each other, and means for horizontally displacing the parts of the container relative to the bar shell.
Claims (1)
1. An apparatus for use in a continuous casting plant for the continuous casting of steel bars in which a cast bar having a liquid core and a solidified bar shell is cast in a downward direction from a water cooled mould, comprising a container positioned below the mould and adapted to substantially surround the bar shell, said container being open at its top to receive liquid metal in the event that the liquid metal breaks through the bar shell and having at least two parts which are horizontally displaceable relative to each other, and means for horizontally displacing the parts of the container relative to the bar shell.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT709572A AT322757B (en) | 1972-08-17 | 1972-08-17 | PROTECTIVE DEVICE FOR PREVENTING DAMAGE TO A CONTINUOUS CASTING PLANT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3860061A true US3860061A (en) | 1975-01-14 |
Family
ID=3592661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US376737A Expired - Lifetime US3860061A (en) | 1972-08-17 | 1973-07-05 | Arrangement at a continuous casting plant |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3860061A (en) |
| JP (1) | JPS4953529A (en) |
| AT (1) | AT322757B (en) |
| BE (1) | BE803745A (en) |
| BR (1) | BR7306336D0 (en) |
| CH (1) | CH553609A (en) |
| DE (1) | DE2330053B2 (en) |
| ES (1) | ES416893A1 (en) |
| FR (1) | FR2196211B1 (en) |
| IT (1) | IT993667B (en) |
| SU (1) | SU532323A3 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4269260A (en) * | 1978-05-03 | 1981-05-26 | Voest-Alpine Aktiengesellschaft | Protection arrangement for preventing damage at a continuous casting plant for slabs |
| EP0183563A2 (en) * | 1984-11-30 | 1986-06-04 | Alcan International Limited | Device for collecting molten metal break-outs in casting of light metals |
| WO2004007115A1 (en) * | 2002-07-10 | 2004-01-22 | Danieli & C. Officine Meccaniche S.P.A. | A method and device for the evacuation of casting wastes |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2604378B1 (en) * | 1978-06-30 | 1989-10-27 | Snecma | FOUNDRY APPARATUS FOR THE MANUFACTURE OF MOLDED METAL PARTS WITH ORIENTED STRUCTURE |
| FR2484878A1 (en) * | 1980-06-20 | 1981-12-24 | Fives Cail Babcock | Anti-run=out device for curved continuous casting plants - where swivel shutters prevent escaped molten metal from running downwards into lower part of slab guide track |
| FR2497702A1 (en) * | 1981-01-14 | 1982-07-16 | N Proizv Ob Tulatschermet | Continuous casting plant water discharge appts. - includes low m.pt. trough for emergency diversion of molten metal |
| JPS5999054U (en) * | 1982-12-21 | 1984-07-04 | 日本鋼管株式会社 | Continuous slab gas cutting scale recovery device |
| JP6000137B2 (en) * | 2013-01-22 | 2016-09-28 | 株式会社神戸製鋼所 | Molten steel scattering prevention device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2871534A (en) * | 1956-04-20 | 1959-02-03 | Wieland Werke Ag | Method of continuous casting |
| US3089209A (en) * | 1960-01-06 | 1963-05-14 | American Smelting Refining | Method for continuous casting of metal |
| US3324932A (en) * | 1962-07-17 | 1967-06-13 | British Aluminium Co Ltd | Method for continuously casting materials |
| US3354941A (en) * | 1965-05-24 | 1967-11-28 | Halstead Metal Products Inc | Continuous direct chill-type casting unit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1130592A (en) * | 1966-04-13 | 1968-10-16 | Glacier Co Ltd | Improvements in or relating to continuous casting |
| BE788995A (en) * | 1971-09-20 | 1973-01-15 | Voest Ag | DEVICE SERVING TO FACILITATE THE FLOW OF CASTING IN CONTINUOUS CASTING PLANTS |
-
1972
- 1972-08-17 AT AT709572A patent/AT322757B/en not_active IP Right Cessation
-
1973
- 1973-06-13 DE DE2330053A patent/DE2330053B2/en active Pending
- 1973-07-05 US US376737A patent/US3860061A/en not_active Expired - Lifetime
- 1973-07-05 CH CH979173A patent/CH553609A/en not_active IP Right Cessation
- 1973-07-13 ES ES416893A patent/ES416893A1/en not_active Expired
- 1973-07-24 JP JP48082795A patent/JPS4953529A/ja active Pending
- 1973-08-06 IT IT27568/73A patent/IT993667B/en active
- 1973-08-13 FR FR7329567A patent/FR2196211B1/fr not_active Expired
- 1973-08-16 BR BR6336/73A patent/BR7306336D0/en unknown
- 1973-08-16 SU SU1952934A patent/SU532323A3/en active
- 1973-08-17 BE BE134702A patent/BE803745A/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2871534A (en) * | 1956-04-20 | 1959-02-03 | Wieland Werke Ag | Method of continuous casting |
| US3089209A (en) * | 1960-01-06 | 1963-05-14 | American Smelting Refining | Method for continuous casting of metal |
| US3324932A (en) * | 1962-07-17 | 1967-06-13 | British Aluminium Co Ltd | Method for continuously casting materials |
| US3354941A (en) * | 1965-05-24 | 1967-11-28 | Halstead Metal Products Inc | Continuous direct chill-type casting unit |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4269260A (en) * | 1978-05-03 | 1981-05-26 | Voest-Alpine Aktiengesellschaft | Protection arrangement for preventing damage at a continuous casting plant for slabs |
| EP0183563A2 (en) * | 1984-11-30 | 1986-06-04 | Alcan International Limited | Device for collecting molten metal break-outs in casting of light metals |
| US4643242A (en) * | 1984-11-30 | 1987-02-17 | Alcan International Limited | Device for collecting molten metal break-outs in casting of light metals |
| EP0183563A3 (en) * | 1984-11-30 | 1987-11-11 | Alcan International Limited | Device for collecting molten metal break-outs in casting of light metals |
| WO2004007115A1 (en) * | 2002-07-10 | 2004-01-22 | Danieli & C. Officine Meccaniche S.P.A. | A method and device for the evacuation of casting wastes |
| US20050258213A1 (en) * | 2002-07-10 | 2005-11-24 | Botham Brian W | Method and device for the evacuation of casting wastes |
| US7140418B2 (en) | 2002-07-10 | 2006-11-28 | Danieli & C. Officine Meccaniche S.P.A. | Method and device for the evacuation of casting wastes |
| CN1302874C (en) * | 2002-07-10 | 2007-03-07 | 达涅利机械工业有限公司 | A method and device for the evacuation of casting wastes |
Also Published As
| Publication number | Publication date |
|---|---|
| AT322757B (en) | 1975-06-10 |
| BR7306336D0 (en) | 1974-06-27 |
| DE2330053A1 (en) | 1974-03-21 |
| IT993667B (en) | 1975-09-30 |
| CH553609A (en) | 1974-09-13 |
| FR2196211B1 (en) | 1978-12-01 |
| SU532323A3 (en) | 1976-10-15 |
| ES416893A1 (en) | 1976-03-01 |
| DE2330053B2 (en) | 1975-08-14 |
| BE803745A (en) | 1973-12-17 |
| JPS4953529A (en) | 1974-05-24 |
| FR2196211A1 (en) | 1974-03-15 |
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