ES433309A1 - Apparatus for controlling the level of molten metal in a mould - Google Patents
Apparatus for controlling the level of molten metal in a mouldInfo
- Publication number
- ES433309A1 ES433309A1 ES74433309A ES433309A ES433309A1 ES 433309 A1 ES433309 A1 ES 433309A1 ES 74433309 A ES74433309 A ES 74433309A ES 433309 A ES433309 A ES 433309A ES 433309 A1 ES433309 A1 ES 433309A1
- Authority
- ES
- Spain
- Prior art keywords
- cylinder means
- controller
- level
- servo
- molten metal
- 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
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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
- B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
- B22D11/187—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by using X-rays or nuclear radiation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Continuous Casting (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Control Of Position Or Direction (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
An apparatus for monitoring the level of molten metal in a continuous casting mold, comprising: a mold, a refractory trough located above said mold and having a drop nozzle at the bottom, a detector for detecting the level of the metal molten contained in the mold, a controller connected to said detector and intended to produce an output signal proportional to the difference between the average value of the level of molten metal detected by said detector and the set point for a standard level of molten metal, being said controller being switchable between automatic control and manual control, cylinder means for opening and closing the sliding nozzle of said tundish and a servo mechanism provided between said controller and said nozzle opening and closing cylinder means; whose servomechanism includes a servo amplifier connected to said controller, a servo valve connected to said servo amplifier, an intermediate cylinder connected to said servo valve to drive said nozzle opening and closing cylinder means, a cylinder position detector circuit to detect the position of said intermediate cylinder means, a switching valve connected to said servo valve, to said nozzle opening and closing cylinder means and intermediate cylinder means, another switching valve connected to said servo valve to switch between a source of pressurized oil high and a low pressure oil source for compensation purposes and a control box connected to said switching valve, to said intermediate cylinder means and to said controller, whereby only said intermediate cylinder means can be re-set bring to the neutral position. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP253974A JPS5342018B2 (en) | 1973-12-26 | 1973-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES433309A1 true ES433309A1 (en) | 1976-12-16 |
Family
ID=11532171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES74433309A Expired ES433309A1 (en) | 1973-12-26 | 1974-12-24 | Apparatus for controlling the level of molten metal in a mould |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5342018B2 (en) |
| AT (1) | AT339520B (en) |
| CA (1) | CA1040832A (en) |
| DE (1) | DE2461086C3 (en) |
| ES (1) | ES433309A1 (en) |
| FR (1) | FR2255978B1 (en) |
| GB (1) | GB1468559A (en) |
| IT (1) | IT1026148B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4520266A (en) * | 1981-09-18 | 1985-05-28 | British Steel Corporation | Radiation level detectors |
| JPS60137324A (en) * | 1983-12-27 | 1985-07-20 | 中松 義郎 | Pillow |
| CA2088401A1 (en) * | 1993-01-29 | 1994-07-30 | Her Majesty The Queen, In Right Of Canada As Represented By The Minister Of Natural Resources Canada | Pneumatic flow control of liquid metals |
| US5515906A (en) * | 1993-01-29 | 1996-05-14 | Her Majesty In Right Of Canada As Represented By The Minister Of Energy, Mines And Resources | Pneumatic flow control of liquid metals |
| CN110102730B (en) * | 2019-04-18 | 2024-03-22 | 宣化钢铁集团有限责任公司 | Casting method of crystallizer |
| CN112404383A (en) * | 2020-10-09 | 2021-02-26 | 盐城市联鑫钢铁有限公司 | Quick control system of continuous casting tundish nozzle |
-
1973
- 1973-12-26 JP JP253974A patent/JPS5342018B2/ja not_active Expired
-
1974
- 1974-12-23 IT IT5474074A patent/IT1026148B/en active
- 1974-12-23 CA CA216,853A patent/CA1040832A/en not_active Expired
- 1974-12-23 AT AT1029474A patent/AT339520B/en not_active IP Right Cessation
- 1974-12-23 FR FR7442568A patent/FR2255978B1/fr not_active Expired
- 1974-12-23 DE DE19742461086 patent/DE2461086C3/en not_active Expired
- 1974-12-24 ES ES74433309A patent/ES433309A1/en not_active Expired
- 1974-12-24 GB GB5570274A patent/GB1468559A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2461086B2 (en) | 1978-08-03 |
| CA1040832A (en) | 1978-10-24 |
| AU7657074A (en) | 1976-06-24 |
| IT1026148B (en) | 1978-09-20 |
| AT339520B (en) | 1977-10-25 |
| JPS5342018B2 (en) | 1978-11-08 |
| ATA1029474A (en) | 1977-02-15 |
| FR2255978A1 (en) | 1975-07-25 |
| DE2461086A1 (en) | 1975-07-03 |
| GB1468559A (en) | 1977-03-30 |
| JPS5095133A (en) | 1975-07-29 |
| FR2255978B1 (en) | 1980-04-30 |
| DE2461086C3 (en) | 1979-04-05 |
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