CN207331020U - A kind of electroslag remelting cold start-up arc initiation device - Google Patents
A kind of electroslag remelting cold start-up arc initiation device Download PDFInfo
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- CN207331020U CN207331020U CN201721152609.6U CN201721152609U CN207331020U CN 207331020 U CN207331020 U CN 207331020U CN 201721152609 U CN201721152609 U CN 201721152609U CN 207331020 U CN207331020 U CN 207331020U
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- China
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- arc
- arc striking
- cold start
- striking piece
- electroslag remelting
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Abstract
The utility model patent is related to a kind of electroslag remelting cold start-up arc initiation device, including bottom water tank, protection board, arc striking piece, crystallizer and pre-melted slag.Protection board and multiple arc striking pieces are welded, and reasonable by present apparatus all parts is set, and can significantly improve slugging effect, reduce thickness of the slag crust, lift ESR ingot feeding quality.
Description
Technical field
The utility model belongs to metallurgical electroslag remelting device field, and in particular to a kind of electroslag remelting cold start-up striking dress
Put.
Background technology
The striking slagging device of electroslag remelting cold start-up at present is welded by a protection board and a run-on tab, logical
In the case of electricity, resmelting electrode base moves up and down, and its protruding parts sends arc light with run-on tab, and electric discharge arc light produces heat,
Heat and melt pre-melted slag, this device slugging heat source is single, and effective heat utilization efficiency is low, and slugging effect is poor, Electroslag Process slag crust
Thickness, feeding quality are unstable.
Utility model content
The purpose of this utility model is that propose a kind of electroslag remelting cold start-up arc initiation device.
Realized especially by following technological means：
A kind of electroslag remelting cold start-up arc initiation device, including bottom water tank, protection board, arc striking piece, crystallizer and pre-melted slag.
The bottom water tank is arranged at bottom, protection board is provided with the bottom water tank, in the upper surface of protection board
Uniform welding has multiple arc striking pieces, uniformly distributed between multiple arc striking pieces to have fritting solid impurity particle.
Crystallizer is provided with the protection board top, the arc striking piece and the fritting solid impurity particle may be contained within crystallizer
It is internal.Multiple arc striking pieces are rectangular planes plate or cambered plate, vertical to be welded in a manner of circumference arc is distributed
The upper surface of protection board.
Preferably, the arc striking piece is 12.
Preferably, the length of the arc striking piece, height, wide three-dimensional dimension are 220mm*30mm*15mm, wherein long and wide group
Into plane and protection board upper surface weld.
Preferably, the material of the protection board is the low-alloy steel of Q345 series.
Preferably, the material of the arc striking piece is with smelting steel grade same material.
Preferably, the arc striking piece is 8.
Preferably, the arc striking piece is 15.
Preferably, inside the crystallizer, arc striking piece top resmelting electrode base is set, gap between arc striking piece and
Gap between arc striking piece and crystallizer is equipped with pre-melted slag.
The effect of the utility model is：
1, the utility model by by the vertical uniform welding of multiple arc striking pieces on protection board, and combine pre-melted slag with drawing
The setting (being dispersed in around arc striking piece) of arcs specific location, when resmelting electrode base is sitting on arc striking piece, in energization feelings
Under shape, the high current of resmelting electrode base end is acted on each arc striking piece, and so each arc striking piece melts as heat source
The pre-melted slag of surrounding, so as to fulfill efficiently thermal energy is utilized, slugging is uniform, and slag crust is thin in Electroslag Process, improves ESR ingot feeding
Quality, good condition is created for the feeding stage.
2, pass through the size and number of reasonable set arc striking piece so that in energization fusion process, slag making effect is carried
Rise, the reduction that thickness of the slag crust is optimized in Electroslag Process.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model electroslag remelting cold start-up arc initiation device diagrammatic side-view cross-sectional.
Fig. 2 is the schematic cross-sectional view that I-I is downward in a kind of Fig. 1 of embodiment.
Wherein：1. bottom water tank, 2. protection boards, 3. electric currents, 4. pre-melted slags, 5. resmelting electrode bases, 6. crystallizers, 7. strikings
Piece.
Embodiment
The utility model is described in further detail below in conjunction with Fig. 1 and Fig. 2 Igniting pattern provided.
Embodiment 1
9Cr3Mo steel is smelted on 1100mm ingot shape crystallizers, wherein protection board material uses the low-alloy of Q345 series
Steel, arc striking piece (7) select 9Cr3Mo steel materials, and long, high, wide three-dimensional specification is as follows：220mm*30mm*15mm, quantity 12
A, by 12 arc striking piece (7) uniform weldings on protection board (2), welding shape is the scattered sector of axis dress, becomes a weldering
Part, ensures that 220mm*15mm faces (i.e. long * wide faces) contacts well with protection board (2), pre-melted slag is laid between multiple arc striking pieces
(4).Bottom water tank (1), protection board (2) and arc striking piece weldment, pre-melted slag (4) and crystallizer (6) thereon are assembled into smelter
Position, resmelting electrode base (5) is placed on arc striking piece (7), remaining pre-melted slag (4) is uniformly inserted crystallizer (6) and remelting
In gap between electrode billet (5).Smelt after being powered, high current is acted on multiple arc striking pieces (7), after multiple arc striking piece fusings
The pre-melted slag (4) of surrounding is transferred heat to, 12 arc striking pieces will can be uniformly distributed to surrounding by the electric energy of resmelting electrode base
Pre-melted slag, so as to ensure pre-melted slag uniform temperature height, smelting process slag crust is thin, and slag cap thickness is high, improves feeding quality.
Embodiment 2
9Cr3Mo steel is smelted on 1100mm ingot shape crystallizers, wherein protection board material uses the low-alloy of Q345 series
Steel, arc striking piece (7) select 9Cr3Mo steel materials, and long, high, wide three-dimensional specification is as follows：220mm*30mm*15mm, quantity 15
A, by 15 arc striking piece (7) uniform weldings on protection board (2), welding shape is the scattered sector of axis dress, becomes a weldering
Part, ensures that 220mm*15mm faces (i.e. long * wide faces) contacts well with protection board (2), pre-melted slag is laid between multiple arc striking pieces
(4).Bottom water tank (1), protection board (2) and arc striking piece weldment, pre-melted slag (4) and crystallizer (6) thereon are assembled into smelter
Position, resmelting electrode base (5) is placed on arc striking piece (7), remaining pre-melted slag (4) is uniformly inserted crystallizer (6) and remelting
In gap between electrode billet (5).Smelt after being powered, high current is acted on 15 arc striking pieces (7), after 15 arc striking piece fusings
The pre-melted slag (4) of surrounding is transferred heat to, the electric energy of resmelting electrode base can be uniformly distributed to pre- around by 15 arc striking pieces (7)
Slag, so as to ensure pre-melted slag uniform temperature height, smelting process slag crust is thin, and slag cap thickness is high, improves feeding quality.
Claims (8)
- A kind of 1. electroslag remelting cold start-up arc initiation device, it is characterised in that including bottom water tank, protection board, arc striking piece, crystallizer and Pre-melted slag；The bottom water tank is arranged at bottom, and protection board is provided with the bottom water tank, uniform in the upper surface of protection board Multiple arc striking pieces are welded with, it is uniformly distributed between multiple arc striking pieces to have fritting solid impurity particle；Crystallizer is provided with the protection board top, the arc striking piece and the fritting solid impurity particle may be contained within crystallizer Portion；Multiple arc striking pieces are rectangular planes plate or cambered plate, vertical to be welded in guarantor in a manner of circumference arc is distributed The upper surface of backplate.
- 2. electroslag remelting cold start-up arc initiation device according to claim 1, it is characterised in that the arc striking piece is 12.
- 3. electroslag remelting cold start-up arc initiation device according to claim 1, it is characterised in that the length of the arc striking piece, height, Wide three-dimensional dimension is 220mm*30mm*15mm, wherein the plane of long and wide composition and the upper surface of protection board are welded.
- 4. electroslag remelting cold start-up arc initiation device according to claim 1, it is characterised in that the material of the protection board is The low-alloy steel of Q345 series.
- 5. electroslag remelting cold start-up arc initiation device according to claim 1, it is characterised in that the material of the arc striking piece is With smelting steel grade same material.
- 6. electroslag remelting cold start-up arc initiation device according to claim 1, it is characterised in that the arc striking piece is 8.
- 7. electroslag remelting cold start-up arc initiation device according to claim 1, it is characterised in that the arc striking piece is 15.
- 8. electroslag remelting cold start-up arc initiation device according to claim 1, it is characterised in that inside the crystallizer, Arc striking piece top sets resmelting electrode base, and the gap between gap and arc striking piece and crystallizer between arc striking piece is equipped with fritting Slag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721152609.6U CN207331020U (en) | 2017-09-05 | 2017-09-05 | A kind of electroslag remelting cold start-up arc initiation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721152609.6U CN207331020U (en) | 2017-09-05 | 2017-09-05 | A kind of electroslag remelting cold start-up arc initiation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207331020U true CN207331020U (en) | 2018-05-08 |
Family
ID=62371800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721152609.6U Active CN207331020U (en) | 2017-09-05 | 2017-09-05 | A kind of electroslag remelting cold start-up arc initiation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207331020U (en) |
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2017
- 2017-09-05 CN CN201721152609.6U patent/CN207331020U/en active Active
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