CA2308699A1 - A continuous casting mold plug activation and bleedout detection system - Google Patents
A continuous casting mold plug activation and bleedout detection system Download PDFInfo
- Publication number
- CA2308699A1 CA2308699A1 CA002308699A CA2308699A CA2308699A1 CA 2308699 A1 CA2308699 A1 CA 2308699A1 CA 002308699 A CA002308699 A CA 002308699A CA 2308699 A CA2308699 A CA 2308699A CA 2308699 A1 CA2308699 A1 CA 2308699A1
- Authority
- CA
- Canada
- Prior art keywords
- metal
- mold
- flow
- stop device
- metal flow
- 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
- 238000009749 continuous casting Methods 0.000 title claims 6
- 230000004913 activation Effects 0.000 title abstract 2
- 238000001514 detection method Methods 0.000 title 1
- 239000002184 metal Substances 0.000 claims abstract 88
- 238000000034 method Methods 0.000 claims 7
- 230000000903 blocking effect Effects 0.000 claims 6
- 230000006378 damage Effects 0.000 claims 5
- 238000005266 casting Methods 0.000 claims 2
- 238000005058 metal casting Methods 0.000 claims 2
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 230000000977 initiatory effect Effects 0.000 claims 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
- B22D11/16—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
- B22D11/147—Multi-strand plants
-
- 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
- B22D11/18—Controlling or regulating processes or operations for pouring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Continuous Casting (AREA)
Abstract
Disclosed is a mold plug activation system and bleedout protection system, which stops the flow of metal during predetermined conditions, such as during the initial introduction of molten metal to the molds or in the event a bleedout is detected in the mold.
Claims (12)
1. In a continuous casting mold far metal, a system for stopping the flow of molten metal through a mold inlet, comprised of:
a. a metal casting mold with a metal flow cavity;
b. a metal flow stop device which corresponds to the metal flow cavity;
c. a source of a biasing force, disposed to impart the biasing force on the metal flow stop device toward its blocking the metal flow cavity;
d. a source of a balancing force, disposed in opposition to the biasing force on the metal flow stop device;
e. a sacrificial sensor operatively connected to the source of the balancing force, and positioned to be destroyed in the presence of molten metal; and wherein destruction of the sacrificial sensor sufficiently reduces the balancing force, thereby allowing the biasing force to move the metal flow stop device into the metal flow cavity.
a. a metal casting mold with a metal flow cavity;
b. a metal flow stop device which corresponds to the metal flow cavity;
c. a source of a biasing force, disposed to impart the biasing force on the metal flow stop device toward its blocking the metal flow cavity;
d. a source of a balancing force, disposed in opposition to the biasing force on the metal flow stop device;
e. a sacrificial sensor operatively connected to the source of the balancing force, and positioned to be destroyed in the presence of molten metal; and wherein destruction of the sacrificial sensor sufficiently reduces the balancing force, thereby allowing the biasing force to move the metal flow stop device into the metal flow cavity.
2. A metal flow stop system which stops the flow of metal through a continuous casting mold for metal, wherein a metal flow stop device is caused to move into a metal flow cavity by the destruction of a sacrificial sensor which is operatively connected to the metal flow stop device.
3. A system for stopping the flow of molten metal through a continuous casting mold, comprising:
a. a casting mold system, which includes a mold inlet which receives a flow of molten metal;
b. a metal flow stop system comprised of:
i. a metal flow stop device;
ii. a sacrificial sensor operatively connected to the metal flow stop device;
wherein the destruction of the sacrificial sensor causes the metal flow stop device to move into the mold inlet and thereby stop the flow of molten metal through the mold inlet.
a. a casting mold system, which includes a mold inlet which receives a flow of molten metal;
b. a metal flow stop system comprised of:
i. a metal flow stop device;
ii. a sacrificial sensor operatively connected to the metal flow stop device;
wherein the destruction of the sacrificial sensor causes the metal flow stop device to move into the mold inlet and thereby stop the flow of molten metal through the mold inlet.
4. In a continuous casting mold for metal, a system for stopping the flow of molten metal through the mold inlet, comprised of:
a. a metal casting mold with a metal flow cavity;
b. a metal flow stop device which corresponds to the metal flow cavity;
c. a guided pneumatic cylinder to which the metal flow stop device is attached such that the metal flow stop device is insertable relation to the metal flow cavity; and d. a sacrificial molten metal sensor operatively connected to the guided pneumatic cylinder and positioned in molten metal detecting disposition to the outlet of the mold.
a. a metal casting mold with a metal flow cavity;
b. a metal flow stop device which corresponds to the metal flow cavity;
c. a guided pneumatic cylinder to which the metal flow stop device is attached such that the metal flow stop device is insertable relation to the metal flow cavity; and d. a sacrificial molten metal sensor operatively connected to the guided pneumatic cylinder and positioned in molten metal detecting disposition to the outlet of the mold.
5. A system for stopping the flow of molten metal through a mold inlet as recited in claim 4, and wherein the sacrificial molten metal sensor is a sacrificial pneumatic air line operatively connected to the guided pneumatic cylinder, in pressure-applying disposition to the movement of the metal flow stop device toward its blocking the metal flow cavity, and positioned in molten metal detecting disposition to the outlet of the mold.
6. A method for stopping the flow of molten metal to a continuous cast mold, comprising the following steps:
a. providing a metal flow stop device;
b. imparting a biasing force on the metal flow stop device toward its blocking a metal flow cavity;
c. providing a balancing force which opposes the biasing force on the mold plug, such that the balancing force prevents the biasing force from moving the mold plug into the mold inlet;
d. providing a sacrificial sensor operatively connected to the balancing force and in molten metal detecting disposition relative to the outlet of the mold; and e. detecting molten metal by the destruction of the sacrificial sensor, which causes reduction in the balancing force and thereby causes the metal flow stop device to move into the metal flow cavity.
a. providing a metal flow stop device;
b. imparting a biasing force on the metal flow stop device toward its blocking a metal flow cavity;
c. providing a balancing force which opposes the biasing force on the mold plug, such that the balancing force prevents the biasing force from moving the mold plug into the mold inlet;
d. providing a sacrificial sensor operatively connected to the balancing force and in molten metal detecting disposition relative to the outlet of the mold; and e. detecting molten metal by the destruction of the sacrificial sensor, which causes reduction in the balancing force and thereby causes the metal flow stop device to move into the metal flow cavity.
7. A method for stopping the flow of molten metal to a continuous cast mold as recited in claim 4, and wherein reducing the balancing force is the elimination of the balancing force.
8. A method for stopping the flow of molten metal to a continuous cast mold, comprising the following steps:
a. providing a metal flow stop device;
b. imparting a biasing force on the metal flow stop device toward its blocking a metal flow cavity;
c. providing a balancing force which opposes the biasing force on the mold plug, such that the balancing force prevents the biasing force from moving the mold plug into the mold inlet;
d. increasing the biasing force when a failure condition is present so that the biasing force is sufficiently greater than the balancing force, thereby causing the metal flow stop device to move into the metal flow cavity;
a. providing a metal flow stop device;
b. imparting a biasing force on the metal flow stop device toward its blocking a metal flow cavity;
c. providing a balancing force which opposes the biasing force on the mold plug, such that the balancing force prevents the biasing force from moving the mold plug into the mold inlet;
d. increasing the biasing force when a failure condition is present so that the biasing force is sufficiently greater than the balancing force, thereby causing the metal flow stop device to move into the metal flow cavity;
9. A method for initiating the flow of molten metal to a plurality of continuous cast molds, comprising the following steps:
a. providing a plurality of molds with mold cavities;
b. providing a molten metal trough for each of the molds;
c. providing a plurality of mold plugs, each corresponding to and inserted into one of the molds, and each blocking the flow of metal through a mold inlet;
d. providing molten metal to each of the molten metal troughs;
e. simultaneously introducing a balancing force to each of the mold plugs, thereby causing each of the mold plugs to be removed from its corresponding mold inlet; and f. thereby causing the simultaneous introduction of molten metal into the plurality of molds.
a. providing a plurality of molds with mold cavities;
b. providing a molten metal trough for each of the molds;
c. providing a plurality of mold plugs, each corresponding to and inserted into one of the molds, and each blocking the flow of metal through a mold inlet;
d. providing molten metal to each of the molten metal troughs;
e. simultaneously introducing a balancing force to each of the mold plugs, thereby causing each of the mold plugs to be removed from its corresponding mold inlet; and f. thereby causing the simultaneous introduction of molten metal into the plurality of molds.
10. In a continuous casting mold for metal, a method for stopping the flow of molten metal through a mold inlet, comprised the following steps:
a. providing a metal flow cavity;
b. providing a metal flow stop device which corresponds to the metal flow cavity;
c. providing a guided pneumatic cylinder to which the metal flow stop device is attached such that the metal flow stop device is in insertable relation to the metal flow cavity;
d. providing a sacrificial pneumatic air line operatively connected to the guided pneumatic cylinder, which provides balancing pressure to the movement of the metal flow stop device toward its blocking the metal flow cavity, and positioned in molten metal detecting disposition to the outlet of the mold;
e. detecting the presence of molten metal by destruction of the sacrificial pneumatic air line, thereby removing balancing pressure resisting movement of the metal flow stop device into the metal flow cavity; and f. allowing the metal flow stop device to move into the metal flow cavity, thereby stopping the flow of molten metal through the mold inlet.
a. providing a metal flow cavity;
b. providing a metal flow stop device which corresponds to the metal flow cavity;
c. providing a guided pneumatic cylinder to which the metal flow stop device is attached such that the metal flow stop device is in insertable relation to the metal flow cavity;
d. providing a sacrificial pneumatic air line operatively connected to the guided pneumatic cylinder, which provides balancing pressure to the movement of the metal flow stop device toward its blocking the metal flow cavity, and positioned in molten metal detecting disposition to the outlet of the mold;
e. detecting the presence of molten metal by destruction of the sacrificial pneumatic air line, thereby removing balancing pressure resisting movement of the metal flow stop device into the metal flow cavity; and f. allowing the metal flow stop device to move into the metal flow cavity, thereby stopping the flow of molten metal through the mold inlet.
11. A method for providing a metal flow stop system for a continuous cast mold, comprising the following steps:
a. positioning a metal flow stop device to stop the flow of molten metal through a mold inlet; and b. at a predetermined time during casting, re-positioning the metal flow stop device such that it no longer stops the flow of molten metal through the metal mold inlet.
a. positioning a metal flow stop device to stop the flow of molten metal through a mold inlet; and b. at a predetermined time during casting, re-positioning the metal flow stop device such that it no longer stops the flow of molten metal through the metal mold inlet.
12. A method for providing a metal flow stop system for a continuous cast mold as recited in claim 11, and further comprising the following steps:
a. re-positioning the metal flow stop device to stop the flow of molten metal through the mold inlet when electrical energy is discontinued.
a. re-positioning the metal flow stop device to stop the flow of molten metal through the mold inlet when electrical energy is discontinued.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002308699A CA2308699C (en) | 2000-05-15 | 2000-05-15 | A continuous casting mold plug activation and bleedout detection system |
| EP00304099A EP1155762B1 (en) | 2000-05-15 | 2000-05-16 | Control device and method to stop a molten metal flow, in the event a bleedout is detected during continuous casting |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002308699A CA2308699C (en) | 2000-05-15 | 2000-05-15 | A continuous casting mold plug activation and bleedout detection system |
| EP00304099A EP1155762B1 (en) | 2000-05-15 | 2000-05-16 | Control device and method to stop a molten metal flow, in the event a bleedout is detected during continuous casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2308699A1 true CA2308699A1 (en) | 2001-11-15 |
| CA2308699C CA2308699C (en) | 2009-12-01 |
Family
ID=25681812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002308699A Expired - Lifetime CA2308699C (en) | 2000-05-15 | 2000-05-15 | A continuous casting mold plug activation and bleedout detection system |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1155762B1 (en) |
| CA (1) | CA2308699C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7296613B2 (en) | 2003-06-13 | 2007-11-20 | Wagstaff, Inc. | Mold table sensing and automation system |
| CN106029257B (en) * | 2014-02-24 | 2018-10-09 | 瓦格斯塔夫公司 | Oxide control system for continuously or semi-continuously casting molten metal mold |
| FR3049881B1 (en) * | 2016-04-08 | 2018-04-06 | Constellium Issoire | SYSTEM FOR CONTROLLING THE CASTING OF A PRODUCT |
| CN110653347A (en) * | 2019-10-31 | 2020-01-07 | 广东工业大学 | A plugging device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE668700C (en) * | 1937-04-20 | 1938-12-08 | Siegfried Junghans | Device for maintaining an even pouring amount with an uninterrupted pouring process |
| US3537505A (en) * | 1965-12-30 | 1970-11-03 | Concast Ag | Method of controlling continuous casting |
| BE788995A (en) * | 1971-09-20 | 1973-01-15 | Voest Ag | DEVICE SERVING TO FACILITATE THE FLOW OF CASTING IN CONTINUOUS CASTING PLANTS |
| JPH01127153A (en) * | 1987-11-11 | 1989-05-19 | Hitachi Zosen Corp | Pouring start device for continuous thin plate casting equipment |
| JPH01157747A (en) * | 1987-12-15 | 1989-06-21 | Nippon Steel Corp | Method for starting pouring from tundish for continuous casting |
| US4809766A (en) * | 1988-05-26 | 1989-03-07 | Usx Corporation | Continuous caster breakout damage avoidance system |
| JPH0744354Y2 (en) * | 1989-03-17 | 1995-10-11 | ワイケイケイ株式会社 | Gutter breaker in horizontal continuous casting machine |
-
2000
- 2000-05-15 CA CA002308699A patent/CA2308699C/en not_active Expired - Lifetime
- 2000-05-16 EP EP00304099A patent/EP1155762B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1155762A1 (en) | 2001-11-21 |
| CA2308699C (en) | 2009-12-01 |
| EP1155762B1 (en) | 2005-01-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20200515 |