CN220689753U - Chute for medium frequency electric furnace - Google Patents
Chute for medium frequency electric furnace Download PDFInfo
- Publication number
- CN220689753U CN220689753U CN202322136269.XU CN202322136269U CN220689753U CN 220689753 U CN220689753 U CN 220689753U CN 202322136269 U CN202322136269 U CN 202322136269U CN 220689753 U CN220689753 U CN 220689753U
- Authority
- CN
- China
- Prior art keywords
- side wall
- chute
- frequency electric
- annular groove
- bottom plate
- 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
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 44
- 239000000956 alloy Substances 0.000 claims abstract description 44
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000003044 adaptive effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005266 casting Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 229910000851 Alloy steel Inorganic materials 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
Classifications
-
- 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
- Y02P10/20—Recycling
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses a chute for an intermediate frequency electric furnace, and relates to the technical field of intermediate frequency electric furnaces. The utility model comprises a bottom plate, a first side wall, a second side wall and a third side wall, wherein the first side wall, the second side wall and the third side wall are vertically connected with the edge of the bottom plate; the bottom plate comprises a through annular groove; an alloy plate disc matched with the annular groove is arranged in the annular groove. According to the embodiment of the utility model, the annular groove is formed in the bottom plate of the chute, and the adaptive alloy plate disc is arranged in the annular groove, so that the position of an impact point which is easy to damage the chute when the crucible pours alloy molten steel is convenient to replace, the integral maintenance of the chute is avoided, and the service life of the chute is prolonged.
Description
Technical Field
The utility model relates to the technical field of medium frequency electric furnaces, in particular to a chute for a medium frequency electric furnace.
Background
The intermediate frequency furnace is a power supply device for converting the power frequency 50HZ alternating current into intermediate frequency. The working process is that three-phase power frequency alternating current is rectified and then changed into direct current, and then the direct current is changed into adjustable intermediate frequency current. The intermediate frequency electric furnace mainly comprises a power supply, an induction coil and a crucible built by refractory materials in the induction coil. The crucible is filled with metal furnace burden. The furnace burden is heated by using the induced electromotive force to promote the melting of the furnace burden.
In the prior art, molten alloy steel smelted in an intermediate frequency electric furnace slides into a casting mould by utilizing a chute for casting. The temperature of the alloy molten steel passing through the chute can reach 800-1200 ℃. Molten alloy poured from the crucible continuously impacts the bottom of the chute to flush the molten alloy. Meanwhile, the top of the chute is opened, alloy molten steel can be cooled in the chute when meeting air during casting, and is solidified in the flowing process in the chute, when molten steel flows into the chute again, a large-amplitude temperature difference is generated on the side wall of the chute, cracks are generated by cooling and heating the chute wall in a short time, so that the strength of the chute wall is damaged, and the service life of the chute is further influenced.
Disclosure of Invention
In view of the above, the utility model provides the chute for the medium frequency electric furnace, which can be used for rapidly replacing the impact part of the chute and prolonging the service life of the whole chute.
The utility model provides a chute for an intermediate frequency electric furnace, which comprises a bottom plate, a first side wall, a second side wall and a third side wall, wherein the first side wall, the second side wall and the third side wall are vertically connected with the edge of the bottom plate;
the bottom plate comprises an annular groove penetrating through the bottom plate;
and an alloy plate disc matched with the annular groove is arranged in the annular groove.
In an alternative embodiment, the annular groove includes a first groove portion and a second groove portion;
the first groove part is positioned above the second groove part, and the diameter of the first groove part is larger than that of the second groove part.
In an alternative embodiment, the diameter of the alloy plate disc is adapted to the diameter of the first groove part;
the thickness of the alloy plate disc is matched with the depth of the first groove part.
In an alternative embodiment, the first sidewall and the second sidewall are disposed opposite each other;
two sides of the third side wall are respectively connected with the first side wall and the second side wall;
the length of the first side wall and the second side wall is greater than the length of the third side wall.
In an alternative embodiment, the outer sides of the first and second side walls are provided with reinforcing ribs.
In an alternative embodiment, the edge of the third side wall is provided with a rectangular notch.
In an alternative embodiment, the edges of the first and second sidewalls are provided with hanging holes.
Compared with the prior art, the utility model at least realizes the following beneficial effects:
according to the embodiment of the utility model, the annular groove is formed in the bottom plate of the chute, and the adaptive alloy plate disc is arranged in the annular groove, so that the position of an impact point which is easy to damage the chute when the crucible pours alloy molten steel is convenient to replace, the integral maintenance of the chute is avoided, and the service life of the chute is prolonged.
Of course, it is not necessary for any one product embodying the utility model to achieve all of the technical effects described above at the same time.
Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic structural view of a chute for an intermediate frequency electric furnace according to an embodiment of the present utility model;
fig. 2 is a cross-sectional view of a bottom plate of a chute for an intermediate frequency electric furnace according to an embodiment of the present utility model.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the prior art, molten alloy steel smelted in an intermediate frequency electric furnace slides into a casting mould by utilizing a chute for casting. The temperature of the alloy molten steel passing through the chute can reach 800-1200 ℃. Molten alloy poured from the crucible continuously impacts the bottom of the chute to flush the molten alloy. Meanwhile, the top of the chute is opened, alloy molten steel can be cooled in the chute when meeting air during casting, and is solidified in the flowing process in the chute, when molten steel flows into the chute again, a large-amplitude temperature difference is generated on the side wall of the chute, cracks are generated by cooling and heating the chute wall in a short time, so that the strength of the chute wall is damaged, and the service life of the chute is further influenced.
In order to solve the above technical problems, an embodiment of the present utility model provides a chute for an intermediate frequency electric furnace, and referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of the chute for an intermediate frequency electric furnace according to the embodiment of the present utility model, and fig. 2 is a cross-sectional view of a bottom plate of the chute for an intermediate frequency electric furnace according to the embodiment of the present utility model. The embodiment of the utility model provides a chute for an intermediate frequency electric furnace, which comprises a bottom plate 1, a first side wall 2, a second side wall 3 and a third side wall 4, wherein the first side wall 2, the second side wall 3 and the third side wall 4 are vertically connected with the edge of the bottom plate 1;
the base plate 1 comprises an annular groove 10 therethrough;
an alloy plate disc 20 matched with the annular groove 10 is arranged in the annular groove 10.
It will be appreciated that the present utility model comprises a base panel 1, a first side wall 2, a second side wall 3 and a third side wall 4. The projection of the base plate 1 is rectangular. The first side wall 2, the second side wall 3 and the third side wall 4 are respectively and vertically connected with different edges of the bottom plate 1, the first side wall 2 and the second side wall 3 are connected with the long side of the bottom plate 1, and the third side wall 4 is connected with one short side of the bottom plate 1. Thus, the chute is a shovel-type structure with an open top and one side. Molten alloy steel smelted in the medium frequency electric furnace is injected from the top of the chute and flows out from one open side of the chute.
Further, the bottom plate 1 of the chute is provided with an annular groove 10, the annular groove 10 penetrating the bottom plate 1. It should be noted that the projection of the annular groove 10 is circular, but this is only one embodiment. In other embodiments, the projection of the annular groove 10 may also be rectangular, polygonal, etc.
Further, the chute also comprises an alloy plate disc 20, and the shape of the alloy plate disc 20 is matched with the annular groove 10. The annular plate 20 can be embedded into the annular groove 10 to make the inner surface of the chute complete and flat.
Further, the position where the annular groove 10 is opened on the bottom plate 1 is not particularly limited. The annular groove 10 may be provided at an impact position of molten alloy according to an angle formed with the chute when the molten alloy is poured from the crucible of the intermediate frequency electric furnace.
According to the embodiment of the utility model, the annular groove is formed in the bottom plate of the chute, and the adaptive alloy plate disc is arranged in the annular groove, so that the position of an impact point which is easy to damage the chute when the crucible pours alloy molten steel is convenient to replace, the integral maintenance of the chute is avoided, and the service life of the chute is prolonged.
In another alternative embodiment provided by the present utility model, the annular groove 10 includes a first groove portion and a second groove portion;
the first groove part is positioned above the second groove part, and the diameter d1 of the first groove part is larger than the diameter d2 of the second groove part.
It will be appreciated that the annular groove 10 comprises a first groove portion and a second groove portion having their centers of symmetry on the same vertical line. Illustratively, when the projection of the annular groove 10 is circular, the centers of the first and second groove portions overlap.
Further, the first groove part is located above the second groove part, and the diameter d1 of the first groove part is larger than the diameter d2 of the second groove part. That is, the tube penetration holes formed by the first groove portion and the second groove portion have a step. The alloy plate pan 20 may be directly erected on the step formed by the first groove portion and the second groove portion. When the alloy plate disc 20 is replaced, the second groove part can be directly forced upwards to push out the alloy plate disc 20, so that the method is convenient and quick, and other parts of the chute can be prevented from being damaged.
In another alternative embodiment provided by the present utility model, the diameter d3 of the alloy plate disc 20 is adapted to the diameter d1 of the first groove portion;
the thickness h3 of the alloy plate disc 20 is adapted to the depth h2 of the first groove portion.
It will be appreciated that the alloy plate 20 is adapted to the annular groove 10, and in particular to a groove portion.
Further, the alloy plate disc 20 has a diameter d3 and a thickness h2; the first groove portion has a diameter d1 and a depth h2. Wherein d3 may be equal to d1 or slightly smaller than d1; h2 may be equal to h1 or may be slightly less than h1. When d3 equals to d1 and h2 equals to h1, the alloy plate disc 20 can be tightly attached to the first groove part, so that the inner surface of the chute is flat. When d3 is slightly smaller than d1 and h2 is slightly smaller than h1, a small gap exists between the alloy plate disc 20 and the first groove part, so that the alloy plate disc 20 can be conveniently taken out of the first chute.
In another alternative embodiment provided by the present utility model, the first side wall 2 and the second side wall 3 are disposed opposite to each other;
the two sides of the third side wall 4 are respectively connected with the first side wall 2 and the second side wall 3;
the length of the first side wall 2 and the second side wall 3 is greater than the length of the third side wall 4.
It will be appreciated that the floor 1 of the chute is rectangular and that the first, second and third side walls 2, 3 and 4 are each connected perpendicularly to the edges of the floor 1. The first side wall 2 and the second side wall 3 are oppositely arranged and are respectively connected with two long sides of the bottom plate 1. The third side wall 4 is connected to the short side of the bottom plate 1, and two sides of the third side wall 4 perpendicular to the bottom plate 1 are respectively connected to the first side wall 2 and the second side wall 3. The chute forms a shovel-type structure with an open top and one side. The crucible of the intermediate frequency electric furnace injects alloy molten steel from the top of the chute and flows out from the open side, so that the diversion effect of the chute is realized.
In an alternative embodiment provided by the utility model, the outer sides of the first side wall 2 and the second side wall 3 are provided with reinforcing ribs 30.
It can be understood that the molten alloy steel can be cooled in the chute when meeting air, and is solidified in the flowing process in the chute, when the molten alloy flows into the chute again, a great temperature difference is generated on the side wall of the chute, namely the first side wall 2 and the second side wall 3 of the chute are cooled and heated in a short time, and cracks are generated. Therefore, the reinforcing ribs 30 are arranged on the outer sides of the first side wall 2 and the second side wall 3, so that the strength of the first side wall 2 and the second side wall 3 can be increased, particularly, the strength of the side walls along the flowing direction of the molten alloy steel can be increased, and the service life of the whole chute can be prolonged.
In an alternative embodiment of the present utility model, the edge of the third side wall 4 is provided with a rectangular notch 40.
It will be appreciated that the third side wall 4 is one side close to the crucible, a notch 40 is arranged at the edge of the top of the third side wall 4, the crucible can be vertical when alloy molten steel is poured into the crucible on the medium frequency electric furnace, a casting nozzle of the crucible can extend into the chute as much as possible, the height of the casting nozzle is reduced, and the impact of the alloy molten steel on the alloy plate 20 caused by the too high distance of the casting nozzle is avoided.
Further, the third side wall 4 is provided with a notch such that the height of the third side wall 4 is smaller than the first side wall 2 and/or the second side wall 3. Meanwhile, the second side wall 2 and the third side wall 3 can be provided with heightened layers, and the purpose is to form a higher baffle plate to prevent molten alloy steel from splashing.
In an alternative embodiment of the present utility model, the edges of the first and second sidewalls 2 and 3 are provided with hanging holes 50.
It can be appreciated that the hanging holes 50 formed in the first side wall 2 and the second side wall 3 can hang the chute integrally, so that the alloy plate disc 20 is more convenient to replace.
In summary, the chute for the medium frequency electric furnace provided by the utility model has the following beneficial effects:
according to the embodiment of the utility model, the annular groove is formed in the bottom plate of the chute, and the adaptive alloy plate disc is arranged in the annular groove, so that the position of an impact point which is easy to damage the chute when the crucible pours alloy molten steel is convenient to replace, the integral maintenance of the chute is avoided, and the service life of the chute is prolonged.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (7)
1. The chute for the medium frequency electric furnace is characterized by comprising a bottom plate, a first side wall, a second side wall and a third side wall, wherein the first side wall, the second side wall and the third side wall are vertically connected with the edge of the bottom plate;
the bottom plate comprises an annular groove penetrating through the bottom plate;
and an alloy plate disc matched with the annular groove is arranged in the annular groove.
2. The chute for a medium frequency electric furnace according to claim 1, wherein the annular groove includes a first groove portion and a second groove portion;
the first groove part is positioned above the second groove part, and the diameter of the first groove part is larger than that of the second groove part.
3. The chute for medium frequency electric furnace according to claim 2, wherein the diameter of the alloy plate disc is adapted to the diameter of the first groove portion;
the thickness of the alloy plate disc is matched with the depth of the first groove part.
4. The chute for medium frequency electric furnaces according to claim 1, wherein the first side wall and the second side wall are disposed opposite to each other;
two sides of the third side wall are respectively connected with the first side wall and the second side wall;
the length of the first side wall and the second side wall is greater than the length of the third side wall.
5. The chute for medium frequency electric furnaces according to claim 4, wherein the outer sides of the first side wall and the second side wall are provided with reinforcing ribs.
6. The chute for medium frequency electric furnace according to claim 4, wherein the edge of the third side wall is provided with a rectangular notch.
7. The chute for medium frequency electric furnaces according to claim 4, wherein the edges of the first side wall and the second side wall are provided with hanging holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322136269.XU CN220689753U (en) | 2023-08-09 | 2023-08-09 | Chute for medium frequency electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322136269.XU CN220689753U (en) | 2023-08-09 | 2023-08-09 | Chute for medium frequency electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220689753U true CN220689753U (en) | 2024-03-29 |
Family
ID=90406563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322136269.XU Active CN220689753U (en) | 2023-08-09 | 2023-08-09 | Chute for medium frequency electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220689753U (en) |
-
2023
- 2023-08-09 CN CN202322136269.XU patent/CN220689753U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5479438A (en) | Apparatus for fusing a solid layer of electrically conductive material | |
| WO2014177052A1 (en) | Induction heating and electromagnetic stirring device for riser head of steel ingot | |
| CN203610629U (en) | Gas-protected crystallizer for horizontal continuous casting of copper tubes | |
| CN220689753U (en) | Chute for medium frequency electric furnace | |
| JP5690015B1 (en) | Heating method of molten steel in tundish | |
| AU683263B2 (en) | Device for feeding molten metal, particularly cast iron, to a casting machine, and casting installation incorporating same | |
| CN210441641U (en) | Intermediate frequency induction furnace capable of reducing waste of molten materials | |
| CN105458225A (en) | Bi-metal alloy hammer casting technology and metal mold | |
| JP5397582B2 (en) | Ingot casting mold and ingot casting method | |
| CN203610633U (en) | Cored crystallization system for up-drawing continuous casting of copper tubes and copper alloy tubes | |
| EP0657236B1 (en) | Molten metal pouring pot with induction heater | |
| JP5000149B2 (en) | Cold Crucible Induction Dissolver | |
| CN203235929U (en) | Induction heating and electromagnetic stirring device for riser of steel ingot | |
| JP2000237840A (en) | Swirling preventing type mold sprue and casting method | |
| CN212264468U (en) | Heat-preservation flow-dredging middle injection pipe | |
| CN210486494U (en) | A electromagnetic stirring heat preservation stove for scientific research | |
| CN204854336U (en) | Melting kettle that dry process was made | |
| CN215279844U (en) | Parallel smelting and casting facility | |
| CN109883206B (en) | High-speed cooling device for smelting of vacuum consumable furnace | |
| CN207317518U (en) | A kind of horizontal casting duplex channel of not easily broken ditch | |
| CN105149521A (en) | Subway internal steel frame casting and production technology thereof | |
| CN213041007U (en) | Copper melting mold used in furnace lining making of 6T vacuum induction furnace | |
| CN205014828U (en) | Electric induction furnace | |
| CN110671934B (en) | Multi-chamber shaft furnace type intermediate frequency furnace | |
| CN106825467A (en) | A kind of self-melt non-crystaline amorphous metal pocket builder from melt-blown pack arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |