CN114309574B - Automatic production system for directional crystallization - Google Patents
Automatic production system for directional crystallization Download PDFInfo
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- CN114309574B CN114309574B CN202111667284.6A CN202111667284A CN114309574B CN 114309574 B CN114309574 B CN 114309574B CN 202111667284 A CN202111667284 A CN 202111667284A CN 114309574 B CN114309574 B CN 114309574B
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- directional crystallization
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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 invention relates to innovation applied to a directional crystallization technology, in particular to an automatic production system of directional crystallization, which comprises a device for equally dividing molten steel in an intermediate frequency heat preservation furnace and a directional crystallization cooling disc, wherein the device for equally dividing molten steel in the intermediate frequency heat preservation furnace is arranged above the directional crystallization cooling disc; the intermediate frequency heat preservation furnace equal molten steel dividing device comprises a crucible, an induction coil, a sand layer, a furnace shell, a liquid-discharging disc, a tray and a rotating shaft, wherein the sand layer is arranged on the outer wall of the crucible; the directional crystallization cooling disc comprises a bracket, a roller is arranged on the bracket, a cylindrical cooling disc with a hollow interior is arranged above the bracket, and the cooling disc is in running fit with the roller; after quantitative molten steel casting is automatically carried out through a liquid outlet Kong Erxiang mould, rapid directional cooling is carried out by a directional crystallization cooling disc, so that automatic production of quantitative crystallization is realized.
Description
Technical Field
The invention relates to a novel process applied to magnetic cylinder production, in particular to an automatic production system for directional crystallization.
Background
Because the magnetic cylinder has small volume, and a through hole die is adopted, the original directional crystallization method cannot be operated and realized in the production of the magnetic cylinder.
Disclosure of Invention
The invention provides an automatic production system for directional crystallization, which can perform automatic production of directional cooling crystallization by quantitatively discharging molten steel and combining a die, a high-temperature refractory material and a cooling disc.
In order to solve the technical problems, the invention adopts the following technical scheme: an automatic production system for directional crystallization comprises a device for equally dividing molten steel in an intermediate frequency heat preservation furnace and a directional crystallization cooling disc, wherein the device for equally dividing molten steel in the intermediate frequency heat preservation furnace is arranged above the directional crystallization cooling disc; the intermediate frequency heat preservation furnace equal-dividing molten steel device comprises a crucible, an induction coil, a sand layer and a furnace shell, wherein the sand layer is arranged on the outer wall of the crucible, the induction coil is arranged on the outer wall of the sand layer, the furnace shell is arranged on the outer wall of the induction coil, a bottom plate is arranged at the bottom of the crucible, a first liquid outlet hole is formed in the bottom of the crucible, the first liquid outlet hole penetrates through the bottom of the crucible and the bottom plate, the intermediate frequency heat preservation furnace equal-dividing molten steel device further comprises a first liquid-dividing tray, a tray and a first rotating shaft, the first rotating shaft sequentially penetrates through the tray, the first liquid-dividing tray and the bottom plate, the first liquid-dividing tray is in rotating fit with the first rotating shaft, a quantitative hole is formed in the first liquid-dividing tray, the quantitative hole can penetrate through the first liquid outlet hole, a second liquid outlet hole is formed in the tray, and the first liquid outlet hole is respectively arranged on two sides;
the directional crystallization cooling disc comprises a support, a roller is arranged on the support, a hollow barrel-shaped cooling disc is arranged above the support, the cooling disc is in running fit with the roller, a rotating shaft II is arranged at the center of the cooling disc, a rotary joint used for water inlet and water outlet is arranged on the rotating shaft II, a heat conduction reinforcing rib is arranged at the inner edge of the cooling disc, a ratchet wheel is arranged on the outer wall of the cooling disc, a water inlet and a water outlet are arranged on the cooling disc, the water inlet and the water outlet are respectively connected with the rotary joint, the surface of the cooling disc is a heat-resistant steel plate, the directional crystallization cooling disc further comprises a die made of refractory materials, the die is arranged on the upper surface of the heat-resistant steel plate, the die is in a frustum shape, and a cavity in the die is in an inverted frustum shape.
Preferably, the second liquid outlet hole is arranged above the cooling disc and is positioned at the edge of the cooling disc.
Preferably, the bottom plate is provided with an air pressure pushing hole, and the air pressure pushing hole is communicated with the second liquid outlet hole.
Preferably, one side of the induction coil extends to the tray level.
Preferably, a flange is arranged at the top of the crucible, and the crucible is connected with the furnace shell through the flange.
Preferably, the heat-conducting reinforcing ribs are annular and are multiple.
Preferably, the thickness of the heat-resistant steel sheet is 5 mm.
Preferably, a partition plate is arranged between the water inlet and the water outlet.
Preferably, the surface of the heat-resistant steel plate and the inner surface of the die cavity are provided with graphite coatings; and the mold is also provided with a refractory material.
The automatic production system for directional crystallization has the following advantages:
molten steel of the heat preservation furnace is injected into a die cavity above the cooling disc through a device for equally dividing the molten steel, and the molten steel of the magnetic cylinder can be rapidly cooled and crystallized in a directional manner under the combined action of heat preservation of high-temperature refractory materials and rapid cooling of the cooling disc.
Through the cooperation of the ratchet wheel, the molten steel outlet position of the holding furnace and the opening position of the die cavity can be ensured to moderately keep synchronous operation.
Drawings
FIG. 1 is a schematic diagram of the structure of an automated production system for directional crystallization of the present invention;
FIG. 2 is a schematic structural view of a molten steel equally dividing device of an intermediate frequency holding furnace of the invention;
FIG. 3 is a front view of the directional crystallization cooling plate of the present invention;
FIG. 4 is a schematic view of the structure of the mold of the present invention;
FIG. 5 is a top view of the directional crystallization cooling plate of the present invention
Description of the drawings: 1. a crucible; 2. an induction coil; 3. a sand layer; 4. a furnace shell; 5. a bottom plate; 6. a liquid outlet hole I; 7. waiting for liquid disc; 8. a tray; 9. a first rotating shaft; 10. a metering orifice; 11. a second liquid outlet hole; 12. a bracket; 13. a roller; 14. a cooling plate; 15. a second rotating shaft; 16. a rotary joint; 17. a heat conduction reinforcing rib; 18. a ratchet wheel; 19. a water inlet; 20. a water outlet; 21. pneumatic pushing holes; 22. a flange; 23. a partition plate; 24. a mold; 25. a refractory material; 26. a screw cap; 27. a gasket; 28. an insulating layer; 29. a stent sleeve.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
As shown in the figure, the automatic production system for directional crystallization comprises a device for equally dividing molten steel in an intermediate frequency heat preservation furnace and a directional crystallization cooling disc, wherein the device for equally dividing molten steel in the intermediate frequency heat preservation furnace is arranged above the directional crystallization cooling disc; the device for equally dividing molten steel in the intermediate frequency heat preservation furnace comprises a crucible 1, an induction coil 2, a sand layer 3 and a furnace shell 4, wherein the sand layer 3 is arranged on the outer wall of the crucible 1, the induction coil 2 is arranged on the outer wall of the sand layer 3, the furnace shell 4 is arranged on the outer wall of the induction coil 2, a bottom plate 5 is arranged at the bottom of the crucible 1, a first liquid outlet hole 6 is formed in the bottom of the crucible 1, the first liquid outlet hole 6 penetrates through the bottom of the crucible 1 and the bottom plate 5, the device also comprises an equal liquid tray 7, a tray 8 and a first rotating shaft 9, the first rotating shaft 9 sequentially penetrates through the tray 8, the equal liquid tray 7 and the bottom plate 5, the equal liquid tray 7 is in running fit with the first rotating shaft 9, a quantitative hole 10 is formed in the equal liquid tray 7, the quantitative hole 10 can penetrate through the first liquid outlet hole 6, a second liquid outlet hole 11 is formed in the tray 8, and the second liquid outlet hole 11 and the first liquid outlet hole 6 are respectively arranged on two sides; the directional crystallization cooling plate comprises a support 12, a roller 13 is arranged on the support 12, a cylindrical cooling plate 14 with a hollow inside is arranged above the support 12, the cooling plate 14 is in running fit with the roller 13, a second rotating shaft 15 is arranged at the center of the cooling plate 14, a rotary joint 16 for water inlet and outlet is arranged on the second rotating shaft 15, a heat conduction reinforcing rib 17 is arranged at the inner edge of the cooling plate 14, a ratchet wheel 18 is arranged on the outer wall of the cooling plate 14, a water inlet 19 and a water outlet 20 are arranged on the cooling plate 14, the water inlet 19 and the water outlet 20 are respectively connected with the rotary joint 16, and the surface of the cooling plate 14 is a heat-resistant steel plate.
The second liquid outlet hole 11 is arranged above the cooling disc 14 and is positioned at the edge of the cooling disc 14; the bottom plate 5 is provided with an air pressure pushing hole 21, and the air pressure pushing hole 21 is communicated with the liquid outlet hole II 11.
One side of the induction coil 2 extends to the level of the tray 8. The top of the crucible 1 is provided with a flange 22, and the crucible 1 is connected with the furnace shell 4 through the flange 22; the heat conduction reinforcing ribs 17 are annular and are a plurality of; the thickness of the heat-resistant steel plate is 5 mm; a partition plate 23 is arranged between the water inlet 19 and the water outlet 20; the heat-resistant steel plate is characterized by further comprising a die 24 made of a refractory material, wherein the die 24 is arranged on the upper surface of the heat-resistant steel plate, the die 24 is in a frustum shape, and a cavity in the die 24 is in an inverted frustum shape; graphite coatings are arranged on the surface of the heat-resistant steel plate and the inner surface of the die cavity; the mould 24 is also provided with a refractory material 25.
In the concrete implementation, the furnace shell 4 is lifted through a support sleeve 29, a copper pipe connected with an induction coil 2 is arranged in the support sleeve 29, a water cable is arranged in the copper pipe and connected with the furnace shell 4 through a flange 22, a material to be melted is placed into a crucible 1, the steel in the crucible 1 is subjected to medium-frequency heating through the induction coil 2 to be melted, molten steel flows downwards from the bottom of the crucible 1 into a liquid outlet hole I6 of a bottom plate 5 through a liquid outlet hole I6, a plurality of metering holes 10 are formed in a liquid waiting disc 7, a tray 8 is arranged below the liquid waiting disc 7, the bottom plate 5 and the tray 8 are kept fixed, the liquid waiting disc 7 rotates through a rotating shaft I9, a ratchet wheel is arranged beside the liquid waiting disc 7, and the liquid waiting disc 7 is driven to rotate through ratchet wheel rotation; the tray 8 is provided with a second liquid outlet hole 11, the first liquid outlet hole 6 and the second liquid outlet hole 11 are respectively arranged on two sides, molten steel in the crucible 1 enters the quantitative hole 10 after passing through the first liquid outlet hole 6, molten steel in the quantitative hole 10 is conveyed into the second liquid outlet hole 11 through the rotation of the liquid waiting disc 7 and falls down from the tray 8, in order to ensure the falling effect, an air pressure pushing hole 21 is arranged above the second liquid outlet hole 11, the air pressure pushing hole 21 penetrates through the liquid waiting disc and the bottom plate and is communicated with a gap between the furnace shell 4 and the crucible 1, a nut 26 is arranged at the bottom of the first rotating shaft 9, the nut 26 abuts against the tray 8 after passing through a washer 27 and a spring, and the gap among the bottom plate 5, the liquid waiting disc 7 and the tray 8 can be adjusted through the screwing of the nut 26; the length of the induction coil 2 at one side extends to the position of the tray 8, so that intermediate frequency heating and heat preservation can be still carried out on molten steel in the night plate of the bottom plate and the tray, and the temperature of the molten steel in the process of equally dividing the molten steel can be controlled.
The rotary joint 16 is arranged on the first rotating shaft 9 and can be positioned above or below the cooling disc 14, the rotary joint 16 can be respectively communicated with the water inlet 19 and the water outlet 20, water circulation in the cooling disc 14 can be realized through the partition plate 23, graphite powder is scattered on the surface of a heat-resistant steel plate on the cooling disc 14 and the inner surface of a die cavity, the cooling disc rotates through the ratchet wheel 18, molten steel is inversely arranged in the die cavity of the die 24 through the second liquid outlet 11, then a high-temperature refractory material 25 is placed on the die 24, the molten steel can be contacted with an ultrathin heat-resistant steel plate with the thickness of 5 mm so as to be in heat exchange with cold water, the heat conduction reinforcing ribs 17 can realize cooling of the molten steel more quickly, and meanwhile, the cooling direction is controllable, so that the directional crystallization of the molten steel is realized.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (9)
1. An automated production system of directional crystallization, characterized in that: the device comprises an intermediate frequency heat preservation furnace molten steel equally dividing device and a directional crystallization cooling disc, wherein the intermediate frequency heat preservation furnace molten steel equally dividing device is arranged above the directional crystallization cooling disc; the device for equally dividing molten steel in the intermediate frequency heat preservation furnace comprises a crucible (1), an induction coil (2), a sand layer (3) and a furnace shell (4), wherein the sand layer (3) is arranged on the outer wall of the crucible (1), the induction coil (2) is arranged on the outer wall of the sand layer (3), the furnace shell (4) is arranged on the outer wall of the induction coil (2), a bottom plate (5) is arranged at the bottom of the crucible (1), a first liquid outlet hole (6) is formed in the bottom of the crucible (1) and penetrates through the bottom plate (5), the device further comprises a first liquid outlet disc (7), a tray (8) and a first rotating shaft (9), the first rotating shaft (9) sequentially penetrates through the tray (8), the first liquid outlet disc (7) and the bottom plate (5), the first liquid outlet disc (7) is in running fit with the first rotating shaft (9), a fixed quantity hole (10) is formed in the first liquid outlet hole (6), a second liquid outlet hole (11) is formed in the tray (8), and the first liquid outlet hole (11) and the second liquid outlet holes (11) are formed in the two sides of the tray (8).
The directional crystallization cooling disc comprises a support (12), a roller (13) is arranged on the support (12), a barrel-shaped cooling disc (14) with a hollow inside is arranged above the support (12), the cooling disc (14) is in running fit with the roller (13), a rotating shaft II (15) is arranged at the center of the cooling disc (14), a rotary joint (16) for water inlet and outlet is arranged on the rotating shaft II (15), a heat conduction reinforcing rib (17) is arranged at the inner edge of the cooling disc (14), a ratchet wheel (18) is arranged on the outer wall of the cooling disc (14), a water inlet (19) and a water outlet (20) are arranged on the cooling disc (14), the water inlet (19) and the water outlet (20) are respectively connected with the rotary joint (16), the surface of the cooling disc (14) is a heat-resistant steel plate, the mold (24) is arranged on the upper surface of the heat-resistant steel plate, and a cavity in the mold (24) is in an inverted frustum shape.
2. The automated production system of directional crystallization according to claim 1, wherein: the second liquid outlet hole (11) is arranged above the cooling disc (14) and is positioned at the edge of the cooling disc (14).
3. The automated production system of directional crystallization according to claim 1, wherein: the bottom plate (5) is provided with an air pressure pushing hole (21), and the air pressure pushing hole (21) is communicated with the liquid outlet hole II (11).
4. The automated production system of directional crystallization according to claim 1, wherein: one side of the induction coil (2) extends to the horizontal height of the tray (8).
5. The automated production system of directional crystallization according to claim 1, wherein: the top of the crucible (1) is provided with a flange (22), and the crucible (1) is connected with the furnace shell (4) through the flange (22).
6. The automated production system of directional crystallization according to claim 1, wherein: the heat conduction reinforcing ribs (17) are annular and are multiple.
7. The automated production system of directional crystallization according to claim 1, wherein: the thickness of the heat-resistant steel sheet was 5 mm.
8. The automated production system of directional crystallization according to claim 1, wherein: a partition plate (23) is arranged between the water inlet (19) and the water outlet (20).
9. The automated production system of directional crystallization according to claim 1, wherein: graphite coatings are arranged on the surface of the heat-resistant steel plate and the inner surface of the die cavity; refractory material (25) is also arranged on the die (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111667284.6A CN114309574B (en) | 2021-12-31 | 2021-12-31 | Automatic production system for directional crystallization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111667284.6A CN114309574B (en) | 2021-12-31 | 2021-12-31 | Automatic production system for directional crystallization |
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| Publication Number | Publication Date |
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| CN114309574A CN114309574A (en) | 2022-04-12 |
| CN114309574B true CN114309574B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111667284.6A Active CN114309574B (en) | 2021-12-31 | 2021-12-31 | Automatic production system for directional crystallization |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296868A (en) * | 2000-11-21 | 2001-05-30 | 白荣铠 | Casting technology and apparatus for producing die-cast ingot, castings and conticast billet |
| CN101644537A (en) * | 2009-09-03 | 2010-02-10 | 张保国 | Double-chamber vacuum oriented smelting furnace and use method thereof |
| CN101934367A (en) * | 2010-09-07 | 2011-01-05 | 沈阳铸造研究所 | Thermal-insulation baffle plate for liquid metal cooling and oriented solidification casting equipment |
| CN202137358U (en) * | 2011-05-16 | 2012-02-08 | 兰州交通大学 | Directional solidification equipment |
| CN212833958U (en) * | 2020-09-04 | 2021-03-30 | 合肥工业大学 | Device for continuously preparing multiple compact alloys |
| CN112899770A (en) * | 2021-03-04 | 2021-06-04 | 河北拓勋环保工程有限公司 | Directional solidification device and directional solidification equipment comprising same |
| CN214517527U (en) * | 2021-02-25 | 2021-10-29 | 烟台万隆真空冶金股份有限公司 | Directional solidification device |
-
2021
- 2021-12-31 CN CN202111667284.6A patent/CN114309574B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296868A (en) * | 2000-11-21 | 2001-05-30 | 白荣铠 | Casting technology and apparatus for producing die-cast ingot, castings and conticast billet |
| CN101644537A (en) * | 2009-09-03 | 2010-02-10 | 张保国 | Double-chamber vacuum oriented smelting furnace and use method thereof |
| CN101934367A (en) * | 2010-09-07 | 2011-01-05 | 沈阳铸造研究所 | Thermal-insulation baffle plate for liquid metal cooling and oriented solidification casting equipment |
| CN202137358U (en) * | 2011-05-16 | 2012-02-08 | 兰州交通大学 | Directional solidification equipment |
| CN212833958U (en) * | 2020-09-04 | 2021-03-30 | 合肥工业大学 | Device for continuously preparing multiple compact alloys |
| CN214517527U (en) * | 2021-02-25 | 2021-10-29 | 烟台万隆真空冶金股份有限公司 | Directional solidification device |
| CN112899770A (en) * | 2021-03-04 | 2021-06-04 | 河北拓勋环保工程有限公司 | Directional solidification device and directional solidification equipment comprising same |
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| CN114309574A (en) | 2022-04-12 |
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