CN209820164U - High-speed cooling device for smelting of vacuum consumable electrode furnace - Google Patents
High-speed cooling device for smelting of vacuum consumable electrode furnace Download PDFInfo
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- CN209820164U CN209820164U CN201920508698.6U CN201920508698U CN209820164U CN 209820164 U CN209820164 U CN 209820164U CN 201920508698 U CN201920508698 U CN 201920508698U CN 209820164 U CN209820164 U CN 209820164U
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Abstract
The utility model discloses a high-speed cooling device for melting of a vacuum consumable furnace, which comprises an upper water jacket, a lower water jacket, a high-speed flow guide sleeve and a copper crucible lining; a copper crucible cover plate; the high-speed flow guide sleeve extends downwards into the drainage sleeve; the high-speed flow guide sleeve is arranged on the outer side of the copper crucible lining; a narrow channel is arranged between the high-speed flow guide sleeve and the copper crucible lining; a plurality of high-speed guide sleeve upper supporting plates are fixed on the copper crucible cover plate above the high-speed guide sleeve; the lower part of the high-speed flow guide sleeve is fixed on the copper crucible lining by a plurality of high-speed flow guide sleeve lower support plates; the high-speed flow guide sleeve is provided with the plurality of adjusting devices, the flow speed of cooling water is increased by utilizing the high-speed flow guide sleeve and the narrow channel of the copper crucible lining, the cooling water is forced to flow fast close to the lining wall of the copper crucible, the crystallization condition of a consumable ingot is improved, the possibility that the copper crucible is locally overheated and deformed is eliminated, the service life of the copper crucible is shortened, the risk of bubbling of a surface film is avoided, molten metal heat in the crucible is taken away by high-speed water flow, and the high-efficiency energy-saving effect.
Description
Technical Field
The utility model relates to a metallurgical equipment especially relates to a high-speed cooling device is smelted to vacuum consumable stove.
Background
The vacuum consumable remelting furnace is equipment for producing special steel by using a vacuum remelting technology, and usually adopts an electric arc furnace, an electroslag furnace and the like as preceding-stage equipment, and then carries out remelting refining on electrodes produced by the preceding-stage equipment. The vacuum consumable furnace is used as remelting equipment, can effectively improve the crystal structure, toughness and the like of the material, can effectively prolong the comprehensive service life and the like of the steel material, and thus obtains alloy materials with higher quality. The material is usually applied to key parts of some high-end fields, such as aerospace, aviation, high-speed rail and other projects, so that the causticity of various properties of the material is obvious, and the requirement on smelting equipment is correspondingly improved. The vacuum consumable furnace heats the base metal by direct current electric arc under vacuum condition, the metal electrode is rapidly melted and re-solidified in a water-cooled copper crucible under the high temperature action of direct electric arc under the condition of no slag and vacuum, the base metal is melted by the heat of arc discharge and finally drops in a crystallizer to obtain the required high-end steel grade.
The copper crucible is a key part in vacuum consumable electrode furnace equipment, and one of the main functions of the copper crucible is to conduct heat generated by a molten pool in time and create a cooling condition for sequential solidification of consumable ingots. Along with the increase of the weight and the diameter of a smelting spindle of a vacuum consumable electrode furnace, more and more heat needs to be taken away from a crucible with the same sectional area, and the particularity of the working environment of the copper crucible is as follows: the internal high temperature can reach 1500-1900 ℃, so the requirement on the cooling effect is high, at present, the thickness of the copper plate is increased, an expansion joint is adopted on the structure of the outer shell, a reinforcing steel bar is welded between the outer shell and the inner cylinder, a rib is welded on the outer side of the inner cylinder, and the like, so the deformation of the crucible of the vacuum consumable electrode furnace is reduced. The thickness of the copper plate is increased, so that the production cost of the crystallizer is increased, the heat conductivity of the copper crucible is weakened, the use effect of the crystallizer is influenced, the structure of the cast ingot in the crystallizer becomes thick, and the quality of the cast ingot is reduced. Meanwhile, if the cooling effect does not reach the standard, the water temperature at the water outlet is high, the cooling water easily generates air bags in the areas of the copper crucible and the upper water jacket wall, and gas can not conduct heat effectively, so that the upper part of the copper crucible is easy to overheat and deform, and can be melted seriously, thereby not only influencing the service life of the copper crucible, but also causing safety accidents.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art, and the utility model realizes a high-speed cooling device for melting of a vacuum consumable furnace, which is characterized by comprising an upper water jacket, a lower water jacket, a high-speed flow guide sleeve and a copper crucible lining; a copper crucible cover plate; the upper end of the upper water jacket is fixedly connected with the copper crucible cover plate; the lower end of the upper water jacket is fixed with the high-speed flow guide sleeve by a high-speed flow guide sleeve flange; the high-speed guide sleeve flange is fixedly connected with a water jacket fixing ring arranged on the lower water jacket; the high-speed flow guide sleeve extends downwards into the lower water sleeve; the high-speed guide sleeve is arranged on the outer side of the copper crucible lining; a narrow channel is arranged between the high-speed flow guide sleeve and the copper crucible lining; the upper part of the high-speed flow guide sleeve is fixed on the copper crucible cover plate by a plurality of high-speed flow guide sleeve upper supporting plates; the lower part of the high-speed flow guide sleeve is fixed on the copper crucible lining by a plurality of high-speed flow guide sleeve lower support plates; and a plurality of adjusting devices are arranged on the high-speed flow guide sleeve.
Furthermore, a V-shaped sealing ring is arranged between the high-speed guide sleeve flange and the water jacket fixing ring; a connecting flange is fixedly arranged on the outer side of the supporting plate on the high-speed guide sleeve and below the copper crucible lining plate; a groove is arranged on the connecting flange; the high-speed guide sleeve is embedded in the groove and is provided with a support plate.
Further, the lower end of the lower support plate of the high-speed flow guide sleeve is arranged on a bottom plate of the copper crucible; the plurality of copper crucible bottom plates are arranged along the copper crucible lining; the copper crucible bottom plates are arranged at intervals.
Furthermore, at least one high-speed flow guide sleeve reinforcing plate is fixed above the high-speed flow guide sleeve flange; the other side of the high-speed flow guide sleeve reinforcing plate is fixed with the high-speed flow guide sleeve.
Preferably, the width of the narrow channel between the high-speed flow guide sleeve and the copper crucible lining is 1-10 mm; the distance between the upper end of the high-speed guide sleeve and the copper crucible cover plate is 5-30 mm.
Further, a water inlet pipe is arranged at the bottom of the lower water jacket; a water outlet pipe is arranged on one side of the upper water jacket.
Furthermore, the adjusting devices are symmetrically and uniformly distributed around the high-speed flow guide sleeve and are arranged in parallel from the upper end to the lower end of the high-speed flow guide sleeve.
Furthermore, the adjusting device also comprises an adjusting bolt, a locking nut and a ceramic ball; the adjusting bolt is connected with the high-speed flow guide sleeve through a bolt; the adjusting bolt is fixed by a locking nut, one end of the adjusting bolt is provided with a cavity, and a plurality of ceramic balls are placed in the cavity.
Further, a copper crucible is arranged in the high-speed cooling device for melting of the vacuum consumable-furnace.
The utility model has the technical effects that the high-speed flow guide sleeve and the narrow channel 1-10mm of the copper crucible lining in the utility model are utilized, through actual operation test, the water flow speed of the copper crucible for the vacuum consumable furnace with the diameter of 1200mm can be improved by at least 8m/s, the water flow speed is improved by more than 5 times compared with the water flow speed of the conventional copper crucible, cooling water is forced to flow tightly close to the lining wall of the copper crucible, the crystallization condition of a consumable ingot is improved, the possibility that the copper crucible is shortened in service life due to local overheating and deformation can be eliminated, the bubbling danger of a surface film is avoided, molten metal heat in the crucible is taken away by high-speed water flow, high efficiency and energy conservation are; the technical problem in the prior art is solved.
Furthermore, the utility model provides a copper crucible inside lining through lock nut realize with high-speed water conservancy diversion cover between compress tightly and the centering, light adjusting lock nut to the contact of copper crucible inside lining outer wall, ceramic ball is used to the lock nut front end, symmetrical evenly distributed all around at high-speed water conservancy diversion cover, there is multiunit lock nut parallel arrangement from high-speed water conservancy diversion cover upper end to the lower extreme, this kind of structural configuration, realize the crucible centering through adjusting lock nut to the contact of copper crucible inside lining outer wall on the one hand and adjust, another convenience uses ceramic ball can prevent that copper crucible inside lining outer wall from wearing and tearing, warp at the lock nut front end, the life of extension vacuum consumable furnace crucible lining.
Drawings
FIG. 1: the utility model is a three-dimensional schematic diagram;
FIG. 2: the left view direction schematic diagram of the utility model;
FIG. 3: the utility model is a schematic view of upward view direction;
FIG. 4: the utility model is a schematic half-cut in the A-A direction;
FIG. 5: the utility model is a schematic half-cut in the B-B direction;
FIG. 6: the utility model has the enlarged schematic view of the position II;
FIG. 7: the utility model discloses a schematic diagram of the position III enlargement;
FIG. 8: the utility model discloses an IV position enlarged schematic view;
FIG. 9: the utility model discloses a V position enlarged schematic view;
FIG. 10: the utility model discloses a VI position enlargements.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In this embodiment, reference is made to fig. 1, fig. 2, fig. 4 and fig. 5. Discloses a high-speed cooling device for smelting of a vacuum consumable furnace, which comprises an upper water jacket 1, a lower water jacket 2, a high-speed flow guide sleeve 3 and a copper crucible lining 4; a copper crucible cover plate 42; the upper end of the upper water jacket 1 is fixedly connected with a copper crucible cover plate 42; the lower end of the upper water jacket 1 is fixed with the high-speed flow guide sleeve 3 by a high-speed flow guide sleeve flange 33; a cavity structure of the upper water jacket is formed; the high-speed guide sleeve flange 33 is fixedly connected with the water jacket fixing ring 21 arranged on the lower water jacket 2; the high-speed guide sleeve 3 extends downwards into the lower water jacket 2; a mechanism of a high-speed guide sleeve flange 33 in the lower water jacket 2 is formed, and the high-speed guide sleeve 3 is arranged on the outer side of the copper crucible lining 4; a narrow channel 9 is arranged between the high-speed flow guide sleeve 3 and the copper crucible lining 4; by utilizing the narrow channel 9, in the embodiment, through actual operation tests, the water flow rate of the copper crucible for the vacuum consumable electrode furnace with the diameter of 1200mm can be increased by at least 8m/s, which is increased by more than 5 times compared with the water flow rate of the conventional copper crucible, cooling water is forced to flow fast close to the lining wall of the copper crucible, the crystallization condition of a consumable ingot is improved, the possibility that the copper crucible is locally overheated and deformed to shorten the service life of the copper crucible can be eliminated, the risk of bubbling of a surface film is avoided, molten metal heat in the crucible is taken away by high-speed water flow, and high efficiency and energy conservation are realized; the technical problem in the prior art is solved. A plurality of high-speed guide sleeve upper supporting plates 31 are fixed on the copper crucible cover plate 42 above the high-speed guide sleeve 3; the lower part of the high-speed flow guide sleeve 3 is fixed on the copper crucible lining 4 by a plurality of high-speed flow guide sleeve lower support plates 32; like this, formed the fixed knot of high-speed water conservancy diversion cover 3 and constructed, for realizing that narrow passageway 9 provides the assurance of structure, in order to realize the effect of compressing tightly and the centering between copper crucible inside lining 4 and high-speed water conservancy diversion cover 3, set up a plurality of adjusting device 10 on high-speed water conservancy diversion cover 3, solved and realized the crucible centering and adjusted, can prevent that the outer wall of copper crucible inside lining 4 from wearing and tearing, warping, the life of extension vacuum consumable furnace crucible inside lining.
Referring to fig. 7 and 8, a V-shaped seal ring 34 is disposed between the high-speed flow guide sleeve flange 33 and the water jacket fixing ring 21; the flange 43 is fixedly connected below the copper crucible lining plate 42 on the outer side of the upper support plate 31 of the high-speed guide sleeve; a groove 6 is arranged on the connecting flange 43; the high-speed guide sleeve upper supporting plate 31 is embedded in the groove 6, and the structure is adopted for fixing the high-speed guide sleeve 3.
Referring to fig. 6 and 10, the lower end of the lower support plate 32 of the high-speed flow guide sleeve is arranged on the bottom plate 41 of the copper crucible; a plurality of copper crucible bottom plates 41 are arranged along the copper crucible lining 4; the copper crucible bottom plates 41 are arranged at intervals so that water flows into the narrow passage 9 from between the copper crucible bottom plates 41.
Referring to fig. 5, at least one high-speed flow guide sleeve reinforcing plate 35 is fixed above the high-speed flow guide sleeve flange 33; the other side of the high-speed flow guide sleeve reinforcing plate 35 is fixed with the high-speed flow guide sleeve 3, and the high-speed flow guide sleeve reinforcing plate 35 is used for reinforcing and fixing the high-speed flow guide sleeve 3, so that the structure of the high-speed flow guide sleeve reinforcing plate can adapt to the flow speed of cooling water more quickly.
With reference to fig. 4 and 5, the width of the narrow channel between the high-speed flow guide sleeve 3 and the copper crucible lining 4 is 1-10 mm; the distance between the upper end of the high-speed guide sleeve 3 and the copper crucible cover plate 42 is 5-30 mm. The structure is mainly used for ensuring that the water flow rate of the copper crucible for the vacuum consumable electrode furnace can be improved.
In order to achieve the above technical effects, with reference to fig. 2 and 3, a water inlet pipe 7 is arranged at the bottom of the lower water jacket 2; a water outlet pipe 8 is arranged at one side of the upper water jacket 1, and a connection structure of the embodiment and external cooling water is formed.
Referring to fig. 9, 4 and 5, the adjusting devices 10 are symmetrically and uniformly distributed around the high-speed flow guide sleeve 3 and are arranged in parallel from the upper end to the lower end of the high-speed flow guide sleeve 3. The adjusting device 10 further comprises an adjusting bolt 52, a locking nut 5 and a ceramic ball 51; the adjusting bolt 52 is connected with the high-speed flow guide sleeve 3 through a bolt; the adjusting bolt 52 is fixed by a locking nut 5, a cavity is arranged at one end of the adjusting bolt 52, and a plurality of ceramic balls 51 are placed in the cavity. According to the structure, the compression and centering between the high-speed flow guide sleeve 3 are realized through the locking nut 5, the locking nut 5 is lightly adjusted to be in contact with the outer wall of the copper crucible lining 4, the ceramic balls 51 are used at the front end of the locking nut, the periphery of the high-speed flow guide sleeve 3 is symmetrically and uniformly distributed, a plurality of groups of locking nuts 5 are arranged in parallel from the upper end to the lower end of the high-speed flow guide sleeve 3, the structure layout realizes the crucible centering adjustment by adjusting the locking nut 5 to be in contact with the outer wall of the copper crucible lining 4 on one hand, and the ceramic balls 51 are conveniently used at the front end of the locking nut 5 to prevent the outer wall of the copper crucible lining 4 from being worn and deformed, so that.
Referring to fig. 1 and 2, a copper crucible 11 is provided inside the high-speed cooling device for melting in a vacuum consumable furnace in the present embodiment.
In this embodiment, cooling water enters from the water inlet pipe 7, the cooling water fills the lower water jacket 2, the water flow passes through the narrow channel 9 between the high-speed flow guide sleeve 3 and the copper crucible lining 4, the cooling water is forced to flow fast and tightly attached to the outer wall of the copper crucible lining 4, the water flow takes away the heat of molten metal in the copper crucible 11 fast to improve the crystallization condition of the consumable ingot, the water flow fills the gap between the upper support plates 31 of the high-speed flow guide sleeve above the narrow channel between the high-speed flow guide sleeve 3 and the copper crucible lining 4 and flows out, and the cooling water flows back through the water outlet pipe 8 to form the circulation of the cooling water. In the embodiment, molten metal heat in the crucible is taken away by high-speed water flow, so that the efficiency and the energy are high; the deformation of the crucible of the vacuum consumable electrode furnace is reduced by increasing the thickness of the copper plate, adopting an expansion joint on the structure of the outer shell, welding reinforcing steel bars between the outer shell and the inner cylinder, welding reinforcing steel bars on the outer side of the inner cylinder and the like in China in the prior art. The thickness of the copper plate is increased, so that the production cost of the crystallizer is increased, the heat conductivity of the copper crucible is weakened, the use effect of the crystallizer is influenced, the structure of the cast ingot in the crystallizer becomes thick, and the quality of the cast ingot is reduced. Meanwhile, if the cooling effect does not reach the standard, the water temperature at the water outlet is high, the cooling water easily generates air bags in the areas of the copper crucible and the upper water jacket wall, and gas can not conduct heat effectively, so that the upper part of the copper crucible is easy to overheat and deform, and can be melted seriously, thereby not only influencing the service life of the copper crucible, but also causing the technical problem of safety accidents.
As a preferred embodiment of the present invention, it is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention, and that the scope of the present invention is also encompassed by the present invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A high-speed cooling device for smelting of a vacuum consumable furnace is characterized by comprising an upper water jacket, a lower water jacket, a high-speed flow guide sleeve and a copper crucible lining; a copper crucible cover plate; the upper end of the upper water jacket is fixedly connected with the copper crucible cover plate; the lower end of the upper water jacket is fixed with the high-speed flow guide sleeve by a high-speed flow guide sleeve flange; the high-speed guide sleeve flange is fixedly connected with a water jacket fixing ring arranged on the lower water jacket; the high-speed flow guide sleeve extends downwards into the lower water sleeve; the high-speed guide sleeve is arranged on the outer side of the copper crucible lining; a narrow channel is arranged between the high-speed flow guide sleeve and the copper crucible lining; the upper part of the high-speed flow guide sleeve is fixed on the copper crucible cover plate by a plurality of high-speed flow guide sleeve upper supporting plates; the lower part of the high-speed flow guide sleeve is fixed on the copper crucible lining by a plurality of high-speed flow guide sleeve lower support plates; and a plurality of adjusting devices are arranged on the high-speed flow guide sleeve.
2. The high-speed cooling device for melting of the vacuum consumable-furnace as claimed in claim 1, wherein a V-shaped sealing ring is arranged between the high-speed guide sleeve flange and the water jacket fixing ring; a connecting flange is fixedly arranged on the outer side of the supporting plate on the high-speed guide sleeve and below the copper crucible lining plate; a groove is arranged on the connecting flange; the high-speed guide sleeve is embedded in the groove and is provided with a support plate.
3. The high-speed cooling device for melting of the vacuum consumable furnace as recited in claim 1, wherein the lower end of the lower support plate of the high-speed flow guide sleeve is arranged on the bottom plate of the copper crucible; the plurality of copper crucible bottom plates are arranged along the copper crucible lining; the copper crucible bottom plates are arranged at intervals.
4. The high-speed cooling device for melting of the vacuum consumable furnace as claimed in claim 2, wherein at least one high-speed flow guide sleeve reinforcing plate is fixed above the high-speed flow guide sleeve flange; the other side of the high-speed flow guide sleeve reinforcing plate is fixed with the high-speed flow guide sleeve.
5. The high-speed cooling device for melting of the vacuum consumable furnace as claimed in claim 4, wherein the width of the narrow channel between the high-speed flow guide sleeve and the copper crucible lining is 1-10 mm; the distance between the upper end of the high-speed guide sleeve and the copper crucible cover plate is 5-30 mm.
6. The high-speed cooling device for melting of the vacuum consumable furnace as claimed in claim 1, wherein a water inlet pipe is arranged at the bottom of the lower water jacket; a water outlet pipe is arranged on one side of the upper water jacket.
7. The high-speed cooling device for melting of the vacuum consumable-furnace as claimed in claim 1, wherein the adjusting devices are symmetrically and uniformly distributed around the high-speed flow-guiding sleeve and are arranged in parallel from the upper end to the lower end of the high-speed flow-guiding sleeve.
8. The high-speed cooling device for melting of the vacuum consumable furnace as claimed in claim 7, wherein the adjusting device further comprises an adjusting bolt, a locking nut and a ceramic ball; the adjusting bolt is connected with the high-speed flow guide sleeve through a bolt; the adjusting bolt is fixed by a locking nut, one end of the adjusting bolt is provided with a cavity, and a plurality of ceramic balls are placed in the cavity.
9. The vacuum consumable-furnace smelting high-speed cooling device as claimed in any one of claims 1 to 8, wherein a copper crucible is arranged in the vacuum consumable-furnace smelting high-speed cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508698.6U CN209820164U (en) | 2019-04-16 | 2019-04-16 | High-speed cooling device for smelting of vacuum consumable electrode furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508698.6U CN209820164U (en) | 2019-04-16 | 2019-04-16 | High-speed cooling device for smelting of vacuum consumable electrode furnace |
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| CN209820164U true CN209820164U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920508698.6U Active CN209820164U (en) | 2019-04-16 | 2019-04-16 | High-speed cooling device for smelting of vacuum consumable electrode furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883206A (en) * | 2019-04-16 | 2019-06-14 | 合智熔炼装备（上海）有限公司 | A kind of consumable electrode vacuum furnace melting Fast Cooling device |
| CN113675767A (en) * | 2021-09-24 | 2021-11-19 | 安徽东能电气有限公司 | High airtight high-efficient dust removal heat dissipation power cabinet |
-
2019
- 2019-04-16 CN CN201920508698.6U patent/CN209820164U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883206A (en) * | 2019-04-16 | 2019-06-14 | 合智熔炼装备（上海）有限公司 | A kind of consumable electrode vacuum furnace melting Fast Cooling device |
| CN109883206B (en) * | 2019-04-16 | 2023-10-31 | 合智熔炼装备（上海）有限公司 | High-speed cooling device for smelting of vacuum consumable furnace |
| CN113675767A (en) * | 2021-09-24 | 2021-11-19 | 安徽东能电气有限公司 | High airtight high-efficient dust removal heat dissipation power cabinet |
| CN113675767B (en) * | 2021-09-24 | 2024-02-27 | 安徽东能电气有限公司 | High airtight high-efficient dust removal heat dissipation power cabinet |
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