CN112210666A - High-frequency smelting device for high-temperature alloy preparation - Google Patents
High-frequency smelting device for high-temperature alloy preparation Download PDFInfo
- Publication number
- CN112210666A CN112210666A CN202011184426.9A CN202011184426A CN112210666A CN 112210666 A CN112210666 A CN 112210666A CN 202011184426 A CN202011184426 A CN 202011184426A CN 112210666 A CN112210666 A CN 112210666A
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- Prior art keywords
- smelting
- graphite crucible
- frequency
- furnace lining
- induction coil
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- 238000003723 Smelting Methods 0.000 title claims abstract description 37
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 20
- 239000000956 alloy Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 31
- 239000010439 graphite Substances 0.000 claims abstract description 31
- 230000006698 induction Effects 0.000 claims abstract description 16
- 238000002844 melting Methods 0.000 claims abstract description 14
- 230000008018 melting Effects 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims description 10
- 229910000601 superalloy Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
- C22B4/08—Apparatus
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
- C22B4/06—Alloys
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention relates to the technical field of smelting furnaces, in particular to a high-frequency smelting device for preparing high-temperature alloy, which comprises a smelting barrel, wherein a furnace lining is arranged in the smelting barrel, a high-frequency induction coil is embedded on the inner side wall and the bottom wall of the furnace lining, a graphite crucible is arranged in the furnace lining, the upper end surface of the graphite crucible is provided with a rim, fixed blocks are arranged on two side walls of the smelting barrel, the upper end surface of each fixed block is fixedly connected with a support, the vertical end surfaces, close to each other, of the supports are provided with a sliding chute, the horizontal lower end surface of each support is fixedly connected with a hydraulic rod, the lower end of each hydraulic rod is fixedly connected with a furnace cover, the lower. The high-frequency induction coil is connected with a high-frequency large current to heat the graphite crucible, so that the temperature of the alloy is rapidly increased to achieve the purpose of heating and melting, and the graphite crucible heating device is simple in structure, high in heating speed, energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of smelting furnaces, in particular to a high-frequency smelting device for preparing high-temperature alloy.
Background
The smelting furnace is a novel high-efficiency energy-saving furnace developed according to an alloy smelting process, and can well meet the requirements of an aluminum smelting process that: the alloy has strict requirements on components, discontinuous production, large capacity of a single furnace and the like, achieves the effects of reducing consumption, reducing burning loss, improving product quality, reducing labor intensity, improving labor conditions and improving production efficiency, and is suitable for batch operation and smelting with more alloy and scrap returns. The existing smelting furnace needs to carry out smelting under the high-temperature and high-pressure state, but the pressure in the furnace is rapidly reduced due to the untight sealing of a furnace cover, the alloy cannot reach the melting point, and the quality of an alloy product is influenced.
In order to solve the above problems, we propose a high-frequency melting apparatus for high-temperature alloy production.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-frequency smelting device for preparing high-temperature alloy.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high-frequency melting device for high-temperature alloy preparation, includes the smelting barrel, the inside of smelting barrel is equipped with the furnace wall, it has high-frequency induction coil to inlay on the inside wall of furnace wall and the diapire, the inside of furnace wall is equipped with graphite crucible, graphite crucible up end is equipped with the edgewise, be equipped with the fixed block on the wall of smelting barrel both sides, the up end fixed connection support of fixed block, the vertical terminal surface that the support is close to each other is equipped with the spout, terminal surface fixed connection hydraulic stem under the support level, the lower extreme fixed connection bell of hydraulic stem, spout linking bridge is passed through at the both ends of bell, the terminal surface is equipped with the briquetting under the bell, the briquetting is located directly over the graphite crucible opening, the lower extreme of smelting barrel.
Preferably, the high-frequency induction coil is positioned between the furnace lining and the graphite crucible.
Preferably, the edge of the pressing block is provided with a chamfer, and the inner ring of the edge is provided with a chamfer corresponding to the pressing block.
Preferably, the edge extends to the upper end face of the furnace lining, and the upper end face of the edge is flush with the upper end face of the smelting barrel.
Preferably, one end of the wiring sleeve is connected with the high-frequency induction coil.
Preferably, four groups of foot seats are arranged on the edge of the lower end of the smelting barrel.
The invention has the beneficial effects that:
1. the graphite crucible is heated by introducing high-frequency large current into the high-frequency induction coil, so that the temperature of the alloy is rapidly increased, and the purpose of heating and melting is achieved;
2. the furnace cover and the pressing block corresponding to the edge are pressed on the graphite crucible through the hydraulic rod, so that the furnace cover is prevented from being not tightly sealed due to high pressure in the crucible, leakage is prevented, high temperature and high pressure in the graphite crucible are kept, and the alloy quality is improved.
Drawings
FIG. 1 is a schematic front view of a high-frequency melting apparatus for preparing a superalloy according to the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1 smelting barrel, 2 furnace linings, 3 high-frequency induction coils, 4 graphite crucibles, 5 fixing blocks, 6 supports, 7 sliding chutes, 8 hydraulic rods, 9 furnace covers, 10 pressing blocks, 11 edges, 12 wiring sleeves and 13 footstands.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In this embodiment, referring to fig. 1-2, a high-frequency melting device for preparing high-temperature alloy, including smelting bucket 1, smelting bucket 1's inside is equipped with furnace lining 2, inlay high-frequency induction coil 3 on furnace lining 2's the inside and the diapire, furnace lining 2's inside is equipped with graphite crucible 4, graphite crucible 4 up end is equipped with edgewise 11, smelt and be equipped with fixed block 5 on the both sides wall of bucket 1, the up end fixed connection support 6 of fixed block 5, the vertical terminal surface that support 6 is close to each other is equipped with spout 7, terminal surface fixed connection hydraulic stem 8 under the support 6 level, the lower extreme fixed connection bell 9 of hydraulic stem 8, spout 7 linking bridge 6 is passed through at the both ends of bell 9, the terminal surface is equipped with briquetting 10 under the bell 9, briquetting 10 is located directly over graphite crucible 4 opening, the lower extreme of smelting bucket 1.
The high-frequency induction coil 3 is located between the furnace lining 2 and the graphite crucible 4, a chamfer is arranged at the edge of the pressing block 10, a chamfer corresponding to the pressing block 10 is arranged on the inner ring of the edge 11, the edge 11 extends to the upper end face of the furnace lining 2, the upper end face of the edge 11 is flush with the upper end face of the smelting barrel 1, one end of the wiring sleeve 12 is connected with the high-frequency induction coil 3, and four groups of footstands 13 are arranged at the edge of the lower end of the smelting barrel 1.
The specific implementation mode is as follows: the device is a high-frequency smelting device for preparing high-temperature alloy, which comprises a smelting barrel 1, a furnace lining 2 is arranged inside the smelting barrel 1, a graphite crucible 4 is arranged in the furnace lining 2, and the inner side wall and the bottom wall of the furnace lining 2 are embedded with high-frequency induction coils 3, a graphite crucible 4 filled with alloy is placed in the smelting barrel 1, so that the edge 11 is tightly pressed on the upper end surface of the furnace lining 2, the furnace cover 9 is pressed downwards along the sliding chute 7 by the hydraulic rod 8 on the bracket 6 to press the graphite crucible 4, the sliding chute 7 ensures that the furnace cover 9 is stable when descending, and is used for protecting the furnace cover 9 from instability at high temperature and high pressure, a pressing block 10 at the lower end of the furnace cover 9 is contacted with an upper end edge 11 of the graphite crucible 4, the edge of the pressing block 10 is provided with a chamfer, the inner ring of the edge 11 is provided with a chamfer corresponding to the pressing block 10, therefore, when the furnace cover 9 compresses the graphite crucible 4, the pressure in the graphite crucible 4 can be ensured not to be leaked.
High-frequency large current is led into the high-frequency induction coil 3 through the wiring sleeve 12, a strong magnetic beam with polarity changing instantly is generated in the high-frequency induction coil 3, the magnetic beam penetrates through the whole graphite crucible 4, a corresponding large eddy current is generated in the heated graphite crucible 4 in the direction opposite to the heating current, and a large amount of joule heat is generated due to the resistance in the heated graphite crucible 4, so that the temperature of the graphite crucible 4 is rapidly increased, and the aim of heating and melting the alloy in the graphite crucible 4 is fulfilled.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a high-frequency melting device for high-temperature alloy preparation, includes smelting bucket (1), its characterized in that, the inside of smelting bucket (1) is equipped with furnace lining (2), inlay high-frequency induction coil (3) on the inside wall and the diapire of furnace lining (2), the inside of furnace lining (2) is equipped with graphite crucible (4), graphite crucible (4) up end is equipped with along limit (11), be equipped with fixed block (5) on smelting bucket (1) both sides wall, up end fixed connection support (6) of fixed block (5), the vertical terminal surface that support (6) are close to each other is equipped with spout (7), terminal surface fixed connection hydraulic stem (8) under support (6) the level, lower extreme fixed connection bell (9) of hydraulic stem (8), spout (7) linking bridge (6) are passed through at the both ends of bell (9), the terminal surface is equipped with briquetting (10) under bell (9), the pressing block (10) is positioned right above the opening of the graphite crucible (4), and the lower end of the smelting barrel (1) is provided with a wiring sleeve (12).
2. A high-frequency melting apparatus for preparing superalloy according to claim 1, wherein the high-frequency induction coil (3) is located between the furnace lining (2) and the graphite crucible (4).
3. The high-frequency melting apparatus for preparing a superalloy according to claim 1, wherein an edge of the compact (10) is chamfered, and an inner circle along the edge (11) is chamfered corresponding to the compact (10).
4. A high-frequency smelting unit for producing superalloy according to claim 1, wherein the rim (11) extends to an upper end surface of the furnace lining (2), and an upper end surface of the rim (11) is flush with an upper end surface of the ladle (1).
5. A high-frequency melting apparatus for preparing a superalloy according to claim 1, wherein one end of the wire sleeve (12) is connected to the high-frequency induction coil (3).
6. A high-frequency melting apparatus for preparing superalloy according to claim 1, wherein four sets of foot rests (13) are provided on the edge of the lower end of the melting vessel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011184426.9A CN112210666A (en) | 2020-10-30 | 2020-10-30 | High-frequency smelting device for high-temperature alloy preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011184426.9A CN112210666A (en) | 2020-10-30 | 2020-10-30 | High-frequency smelting device for high-temperature alloy preparation |
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| Publication Number | Publication Date |
|---|---|
| CN112210666A true CN112210666A (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011184426.9A Pending CN112210666A (en) | 2020-10-30 | 2020-10-30 | High-frequency smelting device for high-temperature alloy preparation |
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| Country | Link |
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| CN (1) | CN112210666A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714504A (en) * | 2021-08-31 | 2021-11-30 | 东北大学 | Wear-resistant block with controllable metal matrix shrinkage rate and preparation device, method and application thereof |
| CN113981222A (en) * | 2021-10-29 | 2022-01-28 | 宁夏金圆化工有限公司 | Electric furnace for producing high-purity silicon iron |
| CN114034190A (en) * | 2021-10-18 | 2022-02-11 | 但帅文 | Vacuum smelting furnace for high-chromium-nickel-based casting high-temperature alloy |
| CN114184040A (en) * | 2021-12-08 | 2022-03-15 | 天长市兴宇交通装备科技有限公司 | Precision casting furnace |
-
2020
- 2020-10-30 CN CN202011184426.9A patent/CN112210666A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714504A (en) * | 2021-08-31 | 2021-11-30 | 东北大学 | Wear-resistant block with controllable metal matrix shrinkage rate and preparation device, method and application thereof |
| CN114034190A (en) * | 2021-10-18 | 2022-02-11 | 但帅文 | Vacuum smelting furnace for high-chromium-nickel-based casting high-temperature alloy |
| CN113981222A (en) * | 2021-10-29 | 2022-01-28 | 宁夏金圆化工有限公司 | Electric furnace for producing high-purity silicon iron |
| CN114184040A (en) * | 2021-12-08 | 2022-03-15 | 天长市兴宇交通装备科技有限公司 | Precision casting furnace |
| CN114184040B (en) * | 2021-12-08 | 2023-11-07 | 天长市兴宇交通装备科技有限公司 | Precision casting furnace |
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Application publication date: 20210112 |