CN219520431U - Device for controlling liquid level of tundish of smelting furnace - Google Patents
Device for controlling liquid level of tundish of smelting furnace Download PDFInfo
- Publication number
- CN219520431U CN219520431U CN202320114163.7U CN202320114163U CN219520431U CN 219520431 U CN219520431 U CN 219520431U CN 202320114163 U CN202320114163 U CN 202320114163U CN 219520431 U CN219520431 U CN 219520431U
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- CN
- China
- Prior art keywords
- tundish
- tungsten electrode
- liquid level
- smelting furnace
- molten steel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The device for controlling the liquid level of the tundish of the smelting furnace comprises a tundish (1), a first tungsten electrode (2) communicated with the lower part of a containing cavity of the tundish (1), a second tungsten electrode (3) communicated with the upper part of the containing cavity of the tundish (1), and a control cabinet (4) connected with the first tungsten electrode (2) and the second tungsten electrode (3) respectively through wires; the control cabinet (4) provides power for the first tungsten electrode (2) and the second tungsten electrode (3), and when the liquid level of the tundish rises to the conduction state of the first tungsten electrode (2) and the second tungsten electrode (3), an alarm signal is provided and the smelting furnace (5) is controlled to stop adding materials into the tundish (1). According to the technical scheme provided by the utility model, the maximum adding amount of molten steel in the tundish is controlled by detecting the molten steel level of the tundish, so that the product quality is improved, and the molten steel consumption is reduced.
Description
Technical Field
The utility model relates to the technical field of smelting furnaces, in particular to a device for controlling the liquid level of a tundish of a smelting furnace.
Background
The smelting furnace is equipment for smelting metal ingot and some waste metals into required alloy through slag skimming, refining and other operations.
The tundish of the smelting furnace is a refractory material container, firstly receives molten steel poured from a ladle, then distributes the molten steel into each crystallizer through a tundish nozzle, and mainly has the functions of reducing pressure, stabilizing flow, removing impurities, storing and distributing the molten steel, and the advanced tundish has the functions of purifying, regulating temperature, finely adjusting components, refining, heating and the like. The pouring is carried out by filling the molten steel into the tundish before pouring, if the molten steel is lower than the critical height, the molten steel surface generates vortex to roll slag into the crystallizer, so that the inclusions in the steel are increased, and the product is scrapped. The liquid level of the molten steel in the tundish is comprehensively considered according to the residence time and the pouring quantity of the molten steel in the tundish. After the ideal liquid level position of the tundish molten steel is obtained, how to effectively control the liquid level of the tundish of the smelting furnace is a technical problem to be solved urgently.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a device for controlling the liquid level of a tundish of a smelting furnace, which is used for controlling the maximum adding amount of molten steel in the tundish by detecting the liquid level of molten steel in the tundish so as to improve the quality of products.
In order to solve the technical problems, the device for controlling the liquid level of the tundish of the smelting furnace provided by the utility model comprises a tundish, a first tungsten electrode communicated with the lower part of a containing cavity of the tundish, a second tungsten electrode communicated with the upper part of the containing cavity of the tundish, and a control cabinet connected with the first tungsten electrode and the second tungsten electrode respectively through wires; the control cabinet provides power for the first tungsten electrode and the second tungsten electrode, and when the liquid level of the tundish rises to the state that the first tungsten electrode and the second tungsten electrode are conducted, an alarm signal is provided and the smelting furnace is controlled to stop adding materials into the tundish.
As a further improved technical scheme, the control cabinet is provided with the alarm signal lamp, and when the liquid level of the tundish rises to the conduction of the first tungsten electrode and the second tungsten electrode, the power supply of the alarm signal lamp is connected and an alarm signal is sent out.
As a further improved technical scheme, the device for controlling the liquid level of the tundish of the smelting furnace provided by the utility model has the advantage that the position height of the second tungsten electrode can be adjusted.
According to the device for controlling the liquid level of the tundish of the smelting furnace, which is provided by the utility model, the tundish comprises a crucible, a graphite heater surrounding the crucible, a heat preservation sleeve surrounding the graphite heater, and a medium-frequency coil positioned outside the heat preservation sleeve.
The above described improvements may be implemented alone or in combination without conflict.
According to the technical scheme provided by the utility model, the maximum adding amount of molten steel in the tundish is controlled by detecting the molten steel level of the tundish, so that the product quality is improved, and the molten steel consumption is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, and are included to illustrate and practice the utility model and are not to be construed as limiting the utility model. In the drawings:
FIG. 1 is a schematic diagram of an embodiment of an apparatus for controlling the level of a tundish of a smelting furnace.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
The device for controlling the liquid level of the tundish of the smelting furnace shown in fig. 1 comprises a tundish 1, a first tungsten electrode 2 communicated with the lower part of a containing cavity of the tundish 1, a second tungsten electrode 3 communicated with the upper part of the containing cavity of the tundish 1, and a control cabinet 4 respectively connected with the first tungsten electrode 2 and the second tungsten electrode 3 through wires; the control cabinet 4 provides direct current power for the first tungsten electrode 2 and the second tungsten electrode 3, the first tungsten electrode 2 is connected with the negative electrode of the direct current power, the second tungsten electrode 3 is connected with the positive electrode of the direct current power, and when the liquid level of the tundish rises to the state that the first tungsten electrode 2 and the second tungsten electrode 3 are conducted, an alarm signal is provided and the smelting furnace 5 is controlled to stop adding materials into the tundish 1.
The working principle is that the metal material in a molten state is contained in the tundish, and when the liquid level of the tundish rises to the position of the second tungsten electrode 3, the first tungsten electrode 2 is communicated with the second tungsten electrode 3. The corresponding circuit of the control cabinet 4 is connected, provides an alarm signal and controls the smelting furnace 5 to stop adding materials into the tundish 1.
As shown in fig. 1, on the basis of the basic scheme, as one embodiment, a control cabinet 4 of a device for controlling the liquid level of a tundish of a smelting furnace is provided with an alarm signal lamp 6, and when the liquid level of the tundish rises to the state that a first tungsten electrode 2 and a second tungsten electrode 3 are conducted, the alarm signal lamp 6 is powered on and sends out an alarm signal.
As shown in fig. 1, on the basis of the basic solution described above, as an example thereof, the position height of the second tungsten electrode 3 of the means for controlling the level of the tundish of the smelting furnace can be adjusted. The position height of the second tungsten electrode 3 can be adjusted according to the requirements of the production process, and the ideal liquid level position of the tundish molten steel can be obtained more conveniently.
As shown in fig. 1, as an example of the above basic configuration, the tundish 1 includes a crucible 7, a graphite heater 8 surrounding the crucible 7, a jacket 9 surrounding the graphite heater 8, and a mid-frequency coil 10 located outside the jacket 9.
According to the technical scheme provided by the utility model, the maximum adding amount of molten steel in the tundish is controlled by detecting the molten steel level of the tundish, so that the product quality is improved, and the molten steel consumption is reduced.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way, and various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (2)
1. The device for controlling the liquid level of the tundish of the smelting furnace comprises a tundish (1), a first tungsten electrode (2) communicated with the lower part of a containing cavity of the tundish (1), a second tungsten electrode (3) communicated with the upper part of the containing cavity of the tundish (1), and a control cabinet (4) connected with the first tungsten electrode (2) and the second tungsten electrode (3) respectively through wires; the control cabinet (4) provides power for the first tungsten electrode (2) and the second tungsten electrode (3), and when the liquid level of the tundish rises to the conduction state of the first tungsten electrode (2) and the second tungsten electrode (3), an alarm signal is provided and the smelting furnace (5) is controlled to stop adding materials into the tundish (1); the control cabinet (4) is provided with an alarm signal lamp (6), and when the liquid level of the tundish rises to the state that the first tungsten electrode (2) is communicated with the second tungsten electrode (3), the power supply of the alarm signal lamp (6) is connected and an alarm signal is sent out; the tundish (1) comprises a crucible (7), a graphite heater (8) surrounding the crucible (7), a heat preservation sleeve (9) surrounding the graphite heater (8) and a medium frequency coil (10) positioned outside the heat preservation sleeve (9).
2. The device for controlling the level of a tundish in a smelting furnace according to claim 1, characterized in that the position of the second tungsten electrode (3) is height-adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320114163.7U CN219520431U (en) | 2023-01-17 | 2023-01-17 | Device for controlling liquid level of tundish of smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320114163.7U CN219520431U (en) | 2023-01-17 | 2023-01-17 | Device for controlling liquid level of tundish of smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219520431U true CN219520431U (en) | 2023-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320114163.7U Active CN219520431U (en) | 2023-01-17 | 2023-01-17 | Device for controlling liquid level of tundish of smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219520431U (en) |
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2023
- 2023-01-17 CN CN202320114163.7U patent/CN219520431U/en active Active
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