CN210450952U - Electromagnetic induction heating tundish - Google Patents
Electromagnetic induction heating tundish Download PDFInfo
- Publication number
- CN210450952U CN210450952U CN201921148355.XU CN201921148355U CN210450952U CN 210450952 U CN210450952 U CN 210450952U CN 201921148355 U CN201921148355 U CN 201921148355U CN 210450952 U CN210450952 U CN 210450952U
- Authority
- CN
- China
- Prior art keywords
- induction heating
- continuous casting
- channel
- tundish
- injection chamber
- 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.)
- Active
Links
Images
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- General Induction Heating (AREA)
Abstract
The utility model relates to an electromagnetic induction heating tundish, which comprises an injection chamber and a continuous casting chamber, wherein the injection chamber is communicated with the continuous casting chamber through a heating channel; the number of the continuous casting chambers is two, and the injection chamber is positioned between the two continuous casting chambers; the heating channel comprises a main channel and two branch channels, one end of the main channel is communicated with the injection chamber, the other end of the main channel is communicated with the two branch channels, and the branch channels are respectively communicated with the continuous casting chambers on the corresponding sides. The utility model arranges the injection chamber and the two continuous casting chambers into a U shape, so that the whole structure of the tundish is compact, and the space occupied by the tundish can be relatively reduced; in addition, the heating channel structure is designed, and the volume of the tundish is further reduced under the condition of ensuring the removal rate of the impurities.
Description
Technical Field
The utility model relates to a continuous casting technical field, concretely relates to package in middle of electromagnetic induction heating.
Background
The existing induction heating tundish generally consists of a ladle injection chamber, a heating channel, a continuous casting chamber and an induction heater. The heating channel is arranged between the bale injection chamber and the continuous casting chamber and is used for connecting the bale injection chamber and the continuous casting chamber, the heating channel is positioned in the refractory materials of the bale injection chamber and the continuous casting chamber and is paved at the bottoms of the injection chamber and the continuous casting chamber, the refractory materials are also provided with an induction heater, the induction heater consists of a square iron core and an induction coil, one side of the square iron core is vertically embedded in the refractory materials and is sleeved on one channel, and the induction coil is wound on the opposite side of the square iron core.
The working principle of the induction heater is as follows: after single-phase alternating current is applied to a coil of the induction heater, alternating magnetic flux is excited in the closed square iron core, the alternating magnetic flux generates induced current in molten steel of an iron core coil chain and the tundish shell, and the generated induced current generates joule heat in the molten steel and the tundish shell in a channel, so that the molten steel is heated, and the effect of reducing the superheat degree of the molten steel is achieved.
However, the existing induction heating tundish heating device has the following defects: the equipment is generally heated by a single coil, so that the heating efficiency is low; the injection chamber, the heating channel and the continuous casting chamber of package generally put according to "a" style of calligraphy in the middle of induction heating commonly used, and in order to reach certain heating effect simultaneously, the heating channel is generally longer, and these all lead to the huge of whole equipment, occupation space is unfavorable for the construction and is built.
Through retrieval, Chinese patent application number 201810149437.X, the name of the invention creation is: a special-shaped multi-strand continuous casting induction heating tundish device comprises a flow injection chamber, a continuous casting chamber, a tundish channel and an induction heater, wherein the number of the continuous casting chambers is two or more; each continuous casting chamber is communicated with the injection chamber through a group of tundish passages, and the number of the tundish passages in each group is two or more; be equipped with the forced air cooling passageway between every group pouring basket passageway and sprue room and the continuous casting room, induction heater includes coil and iron core, the coil suit is in on the iron core, the coil is placed in the forced air cooling passageway.
To above-mentioned patent, through being equipped with two sets or more induction heater and multichannel heating, improve the clearance of inclusion, however, above-mentioned structural design makes induction heating device's volume great to lead to whole tundish shared space great, need further improvement.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model aims to overcome the problem that the tundish occupies a larger space in the prior art and provides an electromagnetic induction heating tundish; the utility model improves the original tundish, and the injection chamber is arranged between the two continuous casting chambers, so that the whole structure of the tundish is compact, and the space occupied by the tundish can be relatively reduced; in addition, the heating channel structure is designed, and the volume of the tundish is further reduced under the condition of ensuring the removal rate of the impurities.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model relates to an electromagnetic induction heating tundish, which comprises an injection chamber and a continuous casting chamber, wherein the injection chamber is communicated with the continuous casting chamber through a heating channel; the number of the continuous casting chambers is two, and the injection chamber is positioned between the two continuous casting chambers; the heating channel comprises a main channel and two branch channels, one end of the main channel is communicated with the injection chamber, the other end of the main channel is communicated with the two branch channels, and the branch channels are respectively communicated with the continuous casting chambers on the corresponding sides.
As a further improvement of the present invention, the main channel is perpendicular to the injection chamber, and the two branch channels are symmetrically distributed with respect to the main channel.
As a further improvement of the utility model, the included angle theta between the main channel and the branch channel is 45-135 degrees.
As a further improvement of the present invention, the included angle θ between the main channel and the branch channel is 90 °.
As a further improvement of the present invention, an induction heating device is disposed at the main channel, and the induction heating device includes an iron core and a coil, wherein the iron core is a square iron core, and the iron core is sleeved on the main channel; the coil is wound on one side of the iron core.
As a further improvement of the present invention, the other side of the iron core is also wound with a coil.
As a further improvement of the utility model, a long nozzle is arranged on the injection chamber, and a turbulence controller is arranged below the long nozzle.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the electromagnetic induction heating tundish of the utility model has the advantages that the injection chamber is arranged between the two continuous casting chambers, and the injection chamber, the two continuous casting chambers and the injection chamber are arranged into a U shape, so that the whole structure of the tundish is compact, and the space occupied by the tundish can be relatively reduced; meanwhile, compared with a straight channel in the prior art, the heating channel is long in length, molten steel is heated in the heating channel for a longer time, and foreign matters are removed at a higher rate.
(2) The utility model discloses a package in middle of electromagnetic induction heating through the size of contained angle theta between control main entrance and the branch passageway to change heating channel's overall length, the heat loss of molten steel in the middle of can effectual compensation pouring in-process package realizes low superheat degree constant temperature pouring, improves the effect of casting blank quality and stable production, in addition, also is favorable to getting rid of inclusion in the molten steel.
(3) The utility model discloses an electromagnetic induction heating tundish is through setting up induction heating device in main entrance department, and induction heating device's iron core suit on the main entrance, and this structural design is equipped with the different heating channel of a plurality of induction heating device heating for being equipped with among the prior art, and its induction heating device's quantity reduces, reduces the size in the shared space of induction heating device to reduce the size of tundish whole equipment.
(4) The utility model discloses a package in middle of electromagnetic induction heating has the coil through all twining on the iron core of main entrance both sides, and both sides coil during operation, the induced-current that produces in the molten steel heats the molten steel that is in the main entrance simultaneously, improves heating efficiency, and simultaneously, both sides coil also carries out certain heating to the molten steel in the branch passageway and the continuous casting room that correspond the side, is favorable to the molten steel temperature homogenization in the short time.
Drawings
Fig. 1 is a schematic top view of an electromagnetic induction heating tundish according to the present invention;
fig. 2 is a schematic front view of an electromagnetic induction heating tundish of the present invention;
FIG. 3 is a schematic view showing the structure of a heating channel in example 2;
FIG. 4 is a schematic view showing the structure of a heating channel in example 4;
fig. 5 is a schematic structural view of a heating channel in example 5.
The reference numerals in the schematic drawings illustrate:
10. an injection chamber; 11. a long nozzle; 20. a heating channel; 21. a main channel; 22. a branch channel; 31. an iron core; 32. a coil; 40. a continuous casting chamber; 41. a submerged entry nozzle.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Example 1
An electromagnetic induction heating tundish of this embodiment, combine fig. 1 and fig. 2, including pouring chamber 10 and continuous casting room 40, wherein, continuous casting room 40 is equipped with two, and pouring chamber 10 is located between two continuous casting rooms 40, and pouring chamber 10 separates two continuous casting rooms 40, and the three is put in the U-shaped, as shown in fig. 1, this structural layout is relative to current tundish, its overall structure is compact, can reduce the space that the tundish occupies relatively. In addition, in the present embodiment, in order to perform constant temperature casting with a low degree of superheat, a heating channel 20 is provided between the injection chamber 10 and the continuous casting chamber 40, and an induction heating device is provided on the heating channel 20, so that molten steel in the heating channel 20 is heated by the induction heating device.
Specifically, the method comprises the following steps: the heating passage 20 in this embodiment includes a main passage 21 and two branch passages 22, wherein one end of the main passage 21 communicates with the injection chamber 10, the other end communicates with the two branch passages 22, and each branch passage 22 communicates with the casting chamber 40 on the corresponding side, respectively. In order to facilitate heating of the molten steel in the heating channel, the number of the induction heating devices in the embodiment is 2, the induction heating devices are respectively arranged at the branch channels 22, and the induction heating devices are mainly used for heating the molten steel in the branch channels 22.
Compared with a linear heating channel in the prior art, the structural design of the heating channel 20 in the embodiment has the advantages that the length of the heating channel 20 is longer, and the flowing time of molten steel in the heating channel 20 is longer, so that the heating time of an induction heating device on the molten steel is longer, and the removal rate of inclusions is improved; in addition, the heating channels 20 flowing to different continuous casting chambers 40 are designed to share one main channel 21, so that the occupied area of the heating channels 20 and the distance between the two continuous casting chambers 40 are reduced, the volume of the tundish is further reduced, and the production cost is reduced.
Example 2
The electromagnetic induction heating tundish of the present embodiment is basically the same as embodiment 1, except that: in this embodiment, the main channel 21 is perpendicular to the implantation chamber 10, and the two branch channels 22 are symmetrically distributed about the main channel 21.
Further, in the present embodiment, the included angle θ between the main passage 21 and the branch passage 22 is 45 ° to 135 °. For example, θ may be 45 °, 60 °, 90 °, 100 °, 120 °, or 135 °. Through changing the size of contained angle theta, can change heating channel 20's overall length, increase induction heating device and to the heating time of molten steel in heating channel 20, can effectively compensate the heat loss of molten steel in the pouring in-process pouring basket, realize low superheat degree constant temperature pouring to improve casting blank quality and stable production, in addition, also be favorable to the getting rid of inclusion in the molten steel.
Preferably, as shown in fig. 3, in the present embodiment, the included angle θ between the main channel 21 and the branch channel 22 is 90 °, that is, the heating channel 20 is T-shaped as a whole.
In addition, the induction heating device in this embodiment is provided with one, this induction heating device includes iron core 31 and coil 32, wherein, iron core 31 is square iron core, and iron core 31 suit is on main passageway 21, as shown in fig. 2, coil 32 has twined on one side of iron core 31 in this embodiment, induction heating device heats the molten steel that is located in heating passageway 20 when working, induction heating device in this embodiment is equipped with different heating passageways of a plurality of induction heating devices heating for prior art, its induction heating device's quantity reduces, reduce the size of the shared space of induction heating device, thereby reduce the size of middle package whole equipment, reduction in production cost.
Example 3
An electromagnetic induction heating tundish of this embodiment is substantially the same as embodiment 2, further: referring to fig. 1 and 2, coils 32 are wound on both sides of an iron core 31 of the induction heating apparatus in this embodiment, when the induction heating apparatus operates, the molten steel in a heating channel 20 generates induced electromotive force, so that induced current is generated in the molten steel, and the generated joule heat directly heats the molten steel, in this embodiment, the coils 32 on both sides of the iron core 31 simultaneously heat the molten steel in a main channel 21, thereby improving heating efficiency, and meanwhile, the coils 32 on both sides also heat the molten steel in a branch channel 22 on the corresponding side and a continuous casting chamber 40 to a certain extent, which is beneficial to temperature homogenization of the molten steel in a short time. In addition, the two coils 32 are operated simultaneously, reducing the power of each coil 32.
Example 4
The electromagnetic induction heating tundish of the present embodiment is basically the same as embodiment 3, except that: in the embodiment, the included angle θ between the main channel 21 and the branch channel 22 is 135 °, as shown in fig. 4, compared with the linear heating channel in the prior art, the structural design has the advantages that the heating time of the molten steel in the heating channel 20 is longer, and the removal of inclusions in the molten steel is improved.
Example 5
The electromagnetic induction heating tundish of the present embodiment is basically the same as embodiment 3, except that: the included angle θ between the main channel 21 and the branch channel 22 in this embodiment is 45 °, as shown in fig. 5.
In addition, the injection chamber 10 of the present embodiment is provided with a long nozzle 11, and a turbulence controller, which is not shown in the figure, is provided below the long nozzle 11. The flow state of the molten steel in the tundish can be effectively controlled through the turbulence controller, and good conditions are created for inclusion collision and floating removal. In the embodiment, each continuous casting chamber 40 is provided with the submerged nozzle 41, and the two continuous casting chambers 40 are used simultaneously, so that the casting efficiency of the tundish can be improved.
It should be noted that in the present embodiment, the submerged entry nozzle 41 and the long nozzle 11 are both located on the same side of the tundish, as shown in fig. 1.
In the specific use process of the electromagnetic induction heating tundish of the embodiment, molten steel flows into the injection chamber 10 from the long nozzle 11 of the injection chamber 10 and flows into the heating channel 20 through the turbulence controller, the induction heating device works, corresponding high-frequency current is applied through the coil 32 to compensate the temperature of the molten steel, the temperature of the molten steel is increased, and meanwhile, the molten steel moves under the action of electromagnetic force, and impurities in the molten steel float upwards to realize impurity removal; the molten steel is heated and then flows into the continuous casting chamber 40, and flows into the mold through the submerged entry nozzle 41.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (7)
1. An electromagnetic induction heating tundish comprises an injection chamber (10) and a continuous casting chamber (40), wherein the injection chamber (10) is communicated with the continuous casting chamber (40) through a heating channel (20); the method is characterized in that: the number of the continuous casting chambers (40) is two, and the injection chamber (10) is positioned between the two continuous casting chambers (40); the heating channel (20) comprises a main channel (21) and two branch channels (22), one end of the main channel (21) is communicated with the injection chamber (10), the other end of the main channel is communicated with the two branch channels (22), and the branch channels (22) are respectively communicated with the continuous casting chambers (40) on the corresponding sides.
2. An electromagnetic induction heating tundish according to claim 1, wherein: the main channel (21) is perpendicular to the injection chamber (10), and the two branch channels (22) are symmetrically distributed about the main channel (21).
3. An electromagnetic induction heating tundish according to claim 2, wherein: the included angle theta between the main channel (21) and the branch channel (22) is 45-135 degrees.
4. An electromagnetic induction heating tundish according to claim 3, wherein: the included angle theta between the main channel (21) and the branch channel (22) is 90 degrees.
5. An electromagnetic induction heating tundish according to any one of claims 1 to 4, wherein: an induction heating device is arranged at the main channel (21), the induction heating device comprises an iron core (31) and a coil (32), the iron core (31) is a square iron core, and the iron core (31) is sleeved on the main channel (21); the coil (32) is wound on one side of the iron core (31).
6. An electromagnetic induction heating tundish according to claim 5, wherein: and the other side edge of the iron core (31) is also wound with a coil (32).
7. An electromagnetic induction heating tundish according to any one of claims 1 to 4, wherein: the injection chamber (10) is provided with a long water gap (11), and a turbulence controller is arranged below the long water gap (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921148355.XU CN210450952U (en) | 2019-07-19 | 2019-07-19 | Electromagnetic induction heating tundish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921148355.XU CN210450952U (en) | 2019-07-19 | 2019-07-19 | Electromagnetic induction heating tundish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210450952U true CN210450952U (en) | 2020-05-05 |
Family
ID=70446711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921148355.XU Active CN210450952U (en) | 2019-07-19 | 2019-07-19 | Electromagnetic induction heating tundish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210450952U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992702A (en) * | 2020-08-17 | 2020-11-27 | 青岛正望钢水控制股份有限公司 | Steel runner brick of electromagnetic induction heating tundish |
| CN114101650A (en) * | 2021-11-26 | 2022-03-01 | 东北大学 | Channel type induction heating device and tundish |
-
2019
- 2019-07-19 CN CN201921148355.XU patent/CN210450952U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992702A (en) * | 2020-08-17 | 2020-11-27 | 青岛正望钢水控制股份有限公司 | Steel runner brick of electromagnetic induction heating tundish |
| CN111992702B (en) * | 2020-08-17 | 2021-08-13 | 青岛正望钢水控制股份有限公司 | Steel runner brick of electromagnetic induction heating tundish |
| CN114101650A (en) * | 2021-11-26 | 2022-03-01 | 东北大学 | Channel type induction heating device and tundish |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210450952U (en) | Electromagnetic induction heating tundish | |
| CN104213033B (en) | 60-steel hot rolling coil rod with high strength and high plasticity and production method thereof | |
| CN103228377A (en) | Method and plant for the energy-efficient production of hot steel strip | |
| CN106435099A (en) | Steel wire induction heating water bath quenching heat treatment technology | |
| CN102896285B (en) | A kind of thin strap continuous casting casting method and device | |
| CN204770627U (en) | Packing is put in middle of single current passageway formula induction heating bend pipe type passageway | |
| KR20150048202A (en) | Method and device for continuous thin strip casting | |
| CN107520437A (en) | A kind of temperature compensation means and its method of ladle long nozzle low overheat | |
| CN101633105B (en) | Process and equipment for producing copper-aluminum compound busbar | |
| KR100918323B1 (en) | Induction stirring coil | |
| CN101259523A (en) | Electro-magnetic braking device for controlling molten metal flow in continuous cast crystallizer | |
| CN110918961B (en) | Induction heating channel and tundish beneficial to removing inclusions in molten steel | |
| CN104209483B (en) | Melting and electromagnetic constraint shaping system capable of performing efficient electro-thermal conversion | |
| CN101767196A (en) | Bypass dual-channel electromagnetic refine and heating device for tundish | |
| CN202779660U (en) | Transverse side passage induction heating apparatus for continuous casting tundish | |
| CN201211558Y (en) | Electromagnetic braking device for controlling molten metal flow in continuous casting crystallizer | |
| CN103482853B (en) | A kind of tin ash cleaning plant | |
| CN217110439U (en) | Cold crucible induction melting system | |
| JPS62254954A (en) | Control method for molten steel flow in mold of continuous casting | |
| CN116213692A (en) | Single-flow arc-shaped channel air curtain retaining wall induction heating tundish and pouring method | |
| CN110052596B (en) | Butterfly type induction heating tundish | |
| EP3415251A1 (en) | Electromagnetic brake system and method of controlling an electromagnetic brake system | |
| CN101185957A (en) | Steel fluid field dynamic control device in continuous casting crystallizer | |
| CN114713807A (en) | Slab continuous casting induction heating tundish | |
| CN1483532A (en) | Subcurrent type oxygen-free copper horizontal continuous casting technology and production eguipment thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |