CN202606840U - Double-electrode semi-continuous electroslag remelting and casting device - Google Patents
Double-electrode semi-continuous electroslag remelting and casting device Download PDFInfo
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- CN202606840U CN202606840U CN 201220109221 CN201220109221U CN202606840U CN 202606840 U CN202606840 U CN 202606840U CN 201220109221 CN201220109221 CN 201220109221 CN 201220109221 U CN201220109221 U CN 201220109221U CN 202606840 U CN202606840 U CN 202606840U
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- electroslag remelting
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Abstract
The utility model discloses a double-electrode semi-continuous electroslag remelting and casting device; the casting device comprises a first electrode system (1), a second electrode system (7), a first electrode lifting mechanism (4), a second electrode lifting mechanism (9), a first electrode lifting guide column (5), a second electrode lifting guide column (10), a first electrode lifting transmission system (6), a second electrode lifting transmission system (11), an electroslag remelting crystallizer (12), a dummy ingot base (16), a bottom water tank (17) and a dummy ingot mechanism (18). Through the adoption of a copper and copper alloy cast ingot preparation device disclosed by the utility model, a cast ingot with very low slag content, gas content and harmful impurity element content can be obtained through using a mold cast ingot or a common DC cast ingot and a hot top cast ingot as an electrode and carrying out electroslag remelting and casting on the electrode; as the cast ingot has a compact crystal structure, directional loosening and cast ingot hole shrinkage are eliminated; and a special cast can be directly cast, forging is replaced with casting, the production procedure is simplified, and the metal utilization rate is increased.
Description
Technical field
The utility model relates to the metallurgical casting technical field, relates in particular to a kind of bipolar electrode semi continuous electroslag remelting casting device.
Background technology
Casting is first procedure of copper and copper alloy processing, also is the key that influences copper and copper alloy fabricated product quality, and the quality of ingot quality is the quality and the lumber recovery of the final fabricated product of influence directly.Traditional founding is to be divided into alloy melting and two technical process of melt casting, and the standard of alloy melting is that the requirement bath composition is even, temperature even, the gassiness dregginess meets the ingot quality requirement; The ingot casting process is removed and is required to guarantee that the ingot casting composition is even, the gassiness dregginess conforms to quality requirements, and also requires ingot structure even.Traditional copper and copper alloy smelting-casting equipment are to utilize reverberatory furnace or electric induction furnace molten alloy, utilize vertical D.C.casting or horizontal casting to obtain copper and copper alloy casting ingot.Receive the restriction of smelting technology, smelting equipment and casting ingot process, casting unit; Alloy all exists bigger oxidation, air-breathing tendency in melting, casting process; Cause ingot casting gassiness, dregginess height, ingot quality can not satisfy high-performance, height is anti-corrosion, the quality requirement of Precise Alloy.Cooled off, the restriction of heat transfer condition; Organizing of the different positions of ingot casting section is also extremely inhomogeneous, exists significantly, fine grained region, columnar zone and the equiax crystal district of different-shape, different size, also has tangible Crystallization Separation face between the different crystalline regions; The poor processability that causes ingot casting; The tissue odds of fabricated product, the processing lumber recovery is low, and the performance of end article can not satisfy the requirement of high property copper alloy.
The utility model content
The object of the invention is exactly the problem that exists to prior art, and a kind of bipolar electrode semi continuous electroslag remelting casting device is provided.
Above-mentioned purpose realizes through following proposal:
A kind of bipolar electrode semi continuous electroslag remelting casting device; It is characterized in that said casting device comprises first electrode system (1), second electrode system (7), first electrode lifting mechanism (4), second electrode lifting mechanism (9), the first rise fall of electrodes guide pillar (5), the second rise fall of electrodes guide pillar (10), the first rise fall of electrodes transmission system (6), the second rise fall of electrodes transmission system (11), electroslag remelting crystallizer (12), dummy ingot base (16), bottom water tank (17), dummy ingot mechanism (18) and outgoing cable (19a); Wherein,
Said first electrode system (1) and second electrode system (7) include cable and electrode; And said first electrode system (1) and second electrode system (7) are installed in respectively on said first electrode lifting mechanism (4) and second electrode lifting mechanism (9); Said first electrode lifting mechanism (4) and second electrode lifting mechanism (9) are installed in respectively on the said first rise fall of electrodes guide pillar (5) and the second rise fall of electrodes guide pillar (10), and the said first rise fall of electrodes guide pillar (5) and the second rise fall of electrodes guide pillar (10) are vertical guide pillar;
Said electroslag remelting crystallizer (12) is installed in the below of said first electrode system (1) and second electrode system (7); And said electroslag remelting crystallizer (12) below is equipped with dummy ingot base (16), bottom water tank (17) and dummy ingot mechanism (18) successively, and outgoing cable (19a) is installed on bottom water tank (17).
According to above-mentioned bipolar electrode semi continuous electroslag remelting casting device; It is characterized in that said electroslag remelting crystallizer (12) comprises copper sheathing (19), electroslag casting crystallizer water jacket (20), spiral channel (22), crystallizer water inlet (23) and crystallizer delivery port (24).
The beneficial effect of the utility model: the copper and the copper alloy casting ingot preparation facilities that use the utility model; Can adopt ingot casting or common DC ingot casting, hot direct casting ingot is electrode, and casting obtains slag inclusion, gassiness, contains harmful all very low ingot casting of impurity element through electroslag remelting; The ingot casting crystalline structure is fine and close, has eliminated directed loose and ingot casting shrinkage cavity; Directly the founding special-shaped casts is realized casting and forging, simplifies production process, improves the utilization rate of metal.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structure of mould sketch map that the utility model uses.
The specific embodiment
Referring to Fig. 1, the bipolar electrode semi continuous electroslag remelting casting device of the utility model comprises first electrode system 1, second electrode system 7, first electrode lifting mechanism 4, second electrode lifting mechanism 9, the first rise fall of electrodes guide pillar 5, the second rise fall of electrodes guide pillar 10, the first rise fall of electrodes transmission system 6, the second rise fall of electrodes transmission system 11, electroslag remelting crystallizer 12, dummy ingot base 16, bottom water tank 17, dummy ingot mechanism 18 and outgoing cable 19a; Wherein,
First electrode system 1 and second electrode system 7 include cable 2 and electrode 3; 8; And first electrode system 1 and second electrode system 7 are installed in respectively on first electrode lifting mechanism 4 and second electrode lifting mechanism 9; First electrode lifting mechanism 4 and second electrode lifting mechanism 9 are installed in respectively on the first rise fall of electrodes guide pillar 5 and the second rise fall of electrodes guide pillar 10, and the first rise fall of electrodes guide pillar 5 and the second rise fall of electrodes guide pillar 10 are vertical guide pillar;
Electroslag remelting crystallizer 12 is installed in the below of first electrode system 1 and second electrode system 7; And said electroslag remelting crystallizer 12 belows are equipped with dummy ingot base 16, bottom water tank 17 and dummy ingot mechanism 18 successively, and outgoing cable 19a is installed on bottom water tank 17.
Referring to Fig. 2, electroslag remelting crystallizer 12 comprises copper sheathing 19, electroslag casting crystallizer water jacket 20, spiral channel 22, crystallizer water inlet 23 and crystallizer delivery port 24.
Use the specific operation process of the utility model following:
(1) ingot casting or common DC ingot casting are to utilize induction furnace or reverberatory furnace melting copper liquid, adopt sand mo(u)ld, pattern or direct water-cooling moldings formed therefrom, obtain ingot casting of copper alloy.
(2) electroslag remelting casting is to be consutrode with an ingot casting, is crystallizer with the water cooled copper mould, and crystallizer is the container that fills with slag, copper liquid, is again mold.The chemical composition of slag is: CaF
2Be 80%, NaF is 20%.Depth of slag bath and electrode diameter are suitable.The fusing point of slag is controlled at treats following 150-250 ℃ of remelting copper alloy fusing point.
(3) the electroslag remelting casting crystallizer is by electroslag casting crystallizer copper sleeve 19, electroslag casting crystallizer water jacket 20 (forming water cavity 21), spiral channel 22, crystallizer water inlet 23, crystallizer delivery port 24.Structural representation is seen Fig. 2.
(4) ingot casting is installed in the position shown in the electrode 3 of electroslag remelting device; Feeding electric current utilizes Joule heat to make electroslag 29 fusings; The slag temperature reaches 1700-1800 ℃; The electroslag of high temperature melts consutrode 3 gradually, and the molten metal drop passes slag blanket and collects in the crystallizer 12, under the water-cooled effect of bottom water tank 17 (the bottom water tank is arranged when adopting the fill-type ingot casting device) and crystallizer 12, condenses into electric slag refusion ingot 15.In the fusion process, metallic solution is effectively purified by slag 13, and the metal collection after the purification becomes metal bath 14.Fusing, refining, the casting of electroslag remelting casting are carried out simultaneously.The electroslag remelting casting device is by first and second electrode systems 1; 7, cable 2, electrode 3; 8, first and second electrode lifting mechanism 4; 9, the first and second rise fall of electrodes guide pillars 5,10, the first and second rise fall of electrodes transmission systems 6,11, electroslag remelting crystallizer 12, dummy ingot base 16, bottom water tank 17, dummy ingot mechanism 18 and outgoing cable 19a form.See Fig. 3.
(5) when electrode 3 fusing end; The first rise fall of electrodes transmission system 6 is mentioned first electrode system 1; The second rise fall of electrodes transmission system 8 is fallen second electrode system 7, and second electrode 8 is inserted in the slag bath 29 energising; Second electrode 8 melts gradually, motlten metal imports metal bath 14 through purifying, and under the water-cooled effect of bottom water tank 17 and crystallizer 12, condenses into electric slag refusion ingot 15.When 8 fusings of second electrode finish, reloaded first electrode system, the 1 repetition aforesaid operations of electrode, reach preseting length until electric slag refusion ingot 15, stop casting.
The parameter of above-mentioned electroslag remelting device is: DC ingot casting diameter is Ф 250-600mm; Electroslag furnace ingot casting diameter is Ф 120-300mm; The electroslag furnace tonnage is the 1-7 ton, and transformer capacity is 500-2300KVA, adopts bipolar or three utmost point electroslag furnaces (this example is depicted as bipolar electroslag furnace).The ingot casting specification is hour employing single-phase electricity slag hearth, when the ingot casting specification greatly perhaps requires productivity ratio high, adopts the three-phase electricity slag hearth.
Claims (2)
1. bipolar electrode semi continuous electroslag remelting casting device; It is characterized in that said casting device comprises first electrode system (1), second electrode system (7), first electrode lifting mechanism (4), second electrode lifting mechanism (9), the first rise fall of electrodes guide pillar (5), the second rise fall of electrodes guide pillar (10), the first rise fall of electrodes transmission system (6), the second rise fall of electrodes transmission system (11), electroslag remelting crystallizer (12), dummy ingot base (16), bottom water tank (17), dummy ingot mechanism (18) and outgoing cable (19a); Wherein,
Said first electrode system (1) and second electrode system (7) include cable and electrode; And said first electrode system (1) and second electrode system (7) are installed in respectively on said first electrode lifting mechanism (4) and second electrode lifting mechanism (9); Said first electrode lifting mechanism (4) and second electrode lifting mechanism (9) are installed in respectively on the said first rise fall of electrodes guide pillar (5) and the second rise fall of electrodes guide pillar (10), and the said first rise fall of electrodes guide pillar (5) and the second rise fall of electrodes guide pillar (10) are vertical guide pillar;
Said electroslag remelting crystallizer (12) is installed in the below of said first electrode system (1) and second electrode system (7), and said electroslag remelting crystallizer (12) below is equipped with dummy ingot base (16), bottom water tank (17), dummy ingot mechanism (18) and outgoing cable (19a) successively.
2. bipolar electrode semi continuous electroslag remelting casting device according to claim 1; It is characterized in that said electroslag remelting crystallizer (12) comprises copper sheathing (19), electroslag casting crystallizer water jacket (20), spiral channel (22), crystallizer water inlet (23) and crystallizer delivery port (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220109221 CN202606840U (en) | 2012-03-22 | 2012-03-22 | Double-electrode semi-continuous electroslag remelting and casting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220109221 CN202606840U (en) | 2012-03-22 | 2012-03-22 | Double-electrode semi-continuous electroslag remelting and casting device |
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| CN202606840U true CN202606840U (en) | 2012-12-19 |
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| CN 201220109221 Expired - Fee Related CN202606840U (en) | 2012-03-22 | 2012-03-22 | Double-electrode semi-continuous electroslag remelting and casting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141052A (en) * | 2014-08-18 | 2014-11-12 | 洛阳双瑞特种装备有限公司 | Start casting device for stripping-type electroslag remelting of corrosion-resistance alloy slab |
| CN112676248A (en) * | 2020-12-02 | 2021-04-20 | 金川集团股份有限公司 | Automatic electrode cleaning device for measuring pH value of fluid electrolyte |
-
2012
- 2012-03-22 CN CN 201220109221 patent/CN202606840U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141052A (en) * | 2014-08-18 | 2014-11-12 | 洛阳双瑞特种装备有限公司 | Start casting device for stripping-type electroslag remelting of corrosion-resistance alloy slab |
| CN104141052B (en) * | 2014-08-18 | 2016-04-27 | 洛阳双瑞特种装备有限公司 | Non-corrosive metal slab stripping esr dummy device |
| CN112676248A (en) * | 2020-12-02 | 2021-04-20 | 金川集团股份有限公司 | Automatic electrode cleaning device for measuring pH value of fluid electrolyte |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20150322 |
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| EXPY | Termination of patent right or utility model |