CN107130118A - A kind of running gate system of large-scale circular section consutrode and preparation method thereof - Google Patents
A kind of running gate system of large-scale circular section consutrode and preparation method thereof Download PDFInfo
- Publication number
- CN107130118A CN107130118A CN201710299504.1A CN201710299504A CN107130118A CN 107130118 A CN107130118 A CN 107130118A CN 201710299504 A CN201710299504 A CN 201710299504A CN 107130118 A CN107130118 A CN 107130118A
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- China
- Prior art keywords
- ingot mould
- consutrode
- circular section
- bottom plate
- scale circular
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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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/18—Electroslag remelting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/061—Materials which make up the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/20—Stack moulds, i.e. arrangement of multiple moulds or flasks
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A kind of running gate system of large-scale circular section consutrode and preparation method thereof; it is related to the consutrode preparation field of electroslag remelting; including bottom plate, ingot mould and feed trumpet; ingot mould is equipped with the top both sides of bottom plate; feed trumpet is provided between the ingot mould of both sides; the covering slag of multilayer hanging is equipped with ingot mould; chassis is equipped between bottom plate and the ingot mould of both sides; the wall thickness of ingot mould is the 25 ~ 35% of consutrode diameter; it is provided in round in ingot mould intracavity section; and inner chamber upper end diameter is more than inner chamber lower end diameter, taper is set to 0.5 ~ 1.5%；The present invention has the advantages that degree of segregation is small, good without shrinkage cavity, surface quality, and solves large-scale circular section consutrode Surface Crack Problems, meets modern large-scale single electrode, big packing ratio, gas and protects electroslag furnace production requirement.
Description
Technical field
The present invention relates to the consutrode preparation field of electroslag remelting, more particularly, to a kind of large-scale circular section consutrode
Running gate system and preparation method thereof.
Background technology
It is known, ESR ingot is coagulated from reducing consutrode and exchanging the influence to ESR ingot quality and improve temperature field of molten pool
Gu considering in terms of the influence of tissue, and reduction energy expenditure, the packing ratio of modern large-size electroslag furnace constantly increases, specific table
It is now the continuous increase of consutrode sectional area, the continuous growth of length.But protect electricity for large-scale single electrode, big packing ratio, gas
Slag hearth, the electric field of circular consutrode, temperature field are most uniform, therefore preferentially select circular section consutrode.
Substantial amounts of production practices show, circular section consutrode easily occurs along the longitudinal fire check defect of ingot body, this and circle
Excessive stress distribution has much relations on section, and with the increase in section, the crack defect of consutrode is more serious；Therefore,
Propose that one kind can both solve Surface Crack Problems, modern large-scale single electrode, big packing ratio, gas guarantor's electroslag furnace can be met again and produces and wants
The large-scale circular section consutrode asked, the basic demand as those skilled in the art.
The content of the invention
In order to overcome the shortcomings of in background technology, the invention discloses a kind of running gate system of large-scale circular section consutrode
And preparation method thereof.
In order to realize the goal of the invention, the present invention is adopted the following technical scheme that：
A kind of running gate system of large-scale circular section consutrode, including bottom plate, ingot mould and feed trumpet, in the top both sides of bottom plate
Ingot mould is equipped with, feed trumpet is provided between the ingot mould of both sides, the covering slag of multilayer hanging is equipped with ingot mould,
Chassis is equipped between bottom plate and the ingot mould of both sides, the wall thickness of ingot mould is the 25 ~ 35% of consutrode diameter, in ingot mould
Intracavity section is provided in round, and inner chamber upper end diameter is more than inner chamber lower end diameter, and taper is set to 0.5 ~ 1.5%.
The running gate system of described large-scale circular section consutrode, provided with adiabatic hanging plate 5 on the inwall on ingot mould top.
The running gate system of described large-scale circular section consutrode, is communicated with the cast set between bottom plate and chassis
Passage.
A kind of preparation method of large-scale circular section consutrode, specifically includes following steps：
（1）, from spy with cast iron manufacture ingot mould 4, spy is with cast iron chemical composition：C：3.00~3.4%；Si：1.80~2.10%；
Mn：0.50~0.80%；P：≤0.100；S：≤0.070%；
Ingot mould is designed as the rising head that swims, rising head molten steel amount 8 ~ 12%；
Consutrode is before cast, and ingot mould is preheated to 80 ~ 120 DEG C；
（2）, cast require：
Poured into a mould using rising pouring mode；
Pouring temperature is more than consutrode material liquid phase line temperature 40 ~ 60 DEG C；
Poring rate is calculated by the rate of climb of the liquid steel level in ingot mould, is：150 ~ 250mm/min, molten steel, which rises to, to be emitted
After mouthful, poring rate, the 1/2 of the riser gating time not small ingot mould ingot body duration of pouring are reduced；
（3）, layering hanging covering slag：
When liquid steel level is risen at rising head 1/2, add exothermic mixture by 1 ~ 2kg/t.
The preparation method of described large-scale circular section consutrode, the covering slag is protective graphite cinder.
By adopting the above-described technical solution, the present invention has the advantages that：
Using the consutrode of large-scale circular section consutrode preparation method production of the present invention, with degree of segregation it is small,
Without shrinkage cavity, surface quality is good the advantages of, and solve large-scale circular section consutrode Surface Crack Problems, meet modern big
Type single electrode, big packing ratio, gas protect electroslag furnace production requirement.
Brief description of the drawings
Fig. 1 is the structural representation of running gate system of the present invention；
In figure：1st, bottom plate；2nd, chassis；3rd, covering slag；4th, ingot mould；5th, adiabatic hanging plate；6th, feed trumpet.
【Embodiment】
Explanation that can be detailed by the following examples is of the invention, and the open purpose of the present invention is intended in the protection scope of the invention
All technological improvements.
The running gate system of large-scale circular section consutrode with reference to described in accompanying drawing 1, including bottom plate 1, ingot mould 4 and feed trumpet
6, ingot mould 4 is equipped with the top both sides of bottom plate 1, feed trumpet 6 is provided between the ingot mould 4 of both sides, in ingot mould 4
The covering slag 3 hung provided with multilayer, is equipped with chassis 2, the wall thickness of ingot mould 4 is certainly between the ingot mould 4 of bottom plate 1 and both sides
The 25 ~ 35% of power consumption polar diameter, are provided in round in the intracavity section of ingot mould 4, and inner chamber upper end diameter is straight more than inner chamber lower end
Footpath, taper is set to 0.5 ~ 1.5%.
The running gate system of described large-scale circular section consutrode, provided with adiabatic hanging plate on the inwall on the top of ingot mould 4
5。
The running gate system of described large-scale circular section consutrode, is communicated with pouring for setting between bottom plate 1 and chassis 2
Note passage.
A kind of preparation method of large-scale circular section consutrode, specifically includes following steps：
（1）, from spy with cast iron manufacture ingot mould 4, spy is with cast iron chemical composition：C, 3.00 ~ 3.4%；Si, 1.80 ~ 2.10%；
Mn, 0.50 ~ 0.80%；P ,≤0.100；S ,≤0.070%；
Ingot mould 4 is designed as the rising head that swims, rising head molten steel amount 8 ~ 12%；
Consutrode is before cast, and ingot mould 4 is preheated to 80 ~ 120 DEG C；
（2）, cast require：
Poured into a mould using rising pouring mode；
Pouring temperature is more than consutrode material liquid phase line temperature 40 ~ 60 DEG C；
Poring rate is calculated by the rate of climb of the liquid steel level in ingot mould 4, is：150 ~ 250mm/min, molten steel, which rises to, to be emitted
After mouthful, poring rate, the 1/2 of the riser gating time not small ingot body duration of pouring of ingot mould 4 are reduced；
（3）, layering hanging covering slag 3：
When liquid steel level is risen at rising head 1/2, add exothermic mixture by 1 ~ 2kg/t.
The preparation method of described large-scale circular section consutrode, the covering slag 3 is protective graphite cinder.
Embodiment
Consutrode ingot shape 15t, ingot mould inner cavity taper is that 1.0%, average diameter is 830mm, and ingot mould wall thickness 32% is floated
Trip rising head pours high 360mm, and the spy of manufacture ingot mould matches somebody with somebody cast iron chemical composition：C, 3.35%；Si, 1.83%；Mn, 0.62%；S,
0.008%；P, 0.023%；Remaining is Fe and inevitable impurity.
Consutrode material MC5D, using two rising pouring of a disk, is preheated to 95 DEG C, ingot mould before cast before ingot mould cast
Interior point of two layers of hanging protective graphite cinder, 1518 DEG C of pouring molten steel temperature, ingot body duration of pouring 18min, riser gating time
10min.Add exothermic mixture by 2kg/t after casting complete.
Consutrode surface quality is good after the demoulding, without visual visible crackle.
Part not in the detailed description of the invention is prior art.
The embodiment selected herein for the goal of the invention of the open present invention, is presently considered to be suitable, still,
It is to be understood that it is contemplated that all changes and improvement including all embodiments belonged in this design and invention scope.
Claims (5)
1. a kind of running gate system of large-scale circular section consutrode, including bottom plate（1）, ingot mould（4）And feed trumpet（6）, it is special
Levying is：In bottom plate（1）Top both sides be equipped with ingot mould（4）, the ingot mould in both sides（4）Between be provided with feed trumpet（6）,
Ingot mould（4）Inside it is equipped with the covering slag of multilayer hanging（3）, in bottom plate（1）With the ingot mould of both sides（4）Between be equipped with chassis
（2）, ingot mould（4）Wall thickness be consutrode diameter 25 ~ 35%, in ingot mould（4）Intracavity section is provided in round, and interior
Chamber upper end diameter is more than inner chamber lower end diameter, and taper is set to 0.5 ~ 1.5%.
2. the running gate system of large-scale circular section consutrode according to claim 1, it is characterized in that：In ingot mould（4）On
The inwall in portion is provided with adiabatic hanging plate（5）.
3. the running gate system of large-scale circular section consutrode according to claim 1, it is characterized in that：In bottom plate（1）The bottom of with
Disk（2）Between be communicated with set cast passage.
4. the preparation method of large-scale circular section consutrode according to claim 1, it is characterized in that：Specifically include following step
Suddenly：
（1）, from spy with cast iron manufacture ingot mould（4）, spy is with cast iron chemical composition：C：3.00~3.4%；Si：1.80~
2.10%；Mn：0.50~0.80%；P：≤0.100；S：≤0.070%；
Ingot mould（4）It is designed as the rising head that swims, rising head molten steel amount 8 ~ 12%；
Consutrode is before cast, ingot mould（4）It is preheated to 80 ~ 120 DEG C；
（2）, cast require：
Poured into a mould using rising pouring mode；
Pouring temperature is more than consutrode material liquid phase line temperature 40 ~ 60 DEG C；
Poring rate is by liquid steel level in ingot mould（4）The interior rate of climb is calculated, and is：150 ~ 250mm/min, molten steel rises to
After rising head, poring rate, riser gating time not small ingot mould are reduced（4）The 1/2 of the ingot body duration of pouring；
（3）, layering hanging covering slag（3）：
When liquid steel level is risen at rising head 1/2, add exothermic mixture by 1 ~ 2kg/t.
5. the preparation method of the large-scale circular section consutrode according to claim 1 or 4, it is characterized in that：The covering slag
（3）For protective graphite cinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299504.1A CN107130118A (en) | 2017-05-02 | 2017-05-02 | A kind of running gate system of large-scale circular section consutrode and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299504.1A CN107130118A (en) | 2017-05-02 | 2017-05-02 | A kind of running gate system of large-scale circular section consutrode and preparation method thereof |
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| CN107130118A true CN107130118A (en) | 2017-09-05 |
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| CN201710299504.1A Pending CN107130118A (en) | 2017-05-02 | 2017-05-02 | A kind of running gate system of large-scale circular section consutrode and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014085A (en) * | 2018-09-11 | 2018-12-18 | 安徽富凯特材有限公司 | A kind of pouring procedure of titanium alloy steel ingot |
| CN109825721A (en) * | 2019-03-20 | 2019-05-31 | 金川集团股份有限公司 | A kind of high nickel matte slow cooling mold and the method for casting, the high nickel matte of slow cooling |
| CN111647723A (en) * | 2020-06-02 | 2020-09-11 | 攀钢集团江油长城特殊钢有限公司 | 10CrNi3MoV round pipe blank and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195153A (en) * | 2007-12-19 | 2008-06-11 | 攀钢集团成都钢铁有限责任公司 | Ingot case for producing round ingot and casting method thereof |
| CN103231029A (en) * | 2013-05-13 | 2013-08-07 | 山西太钢不锈钢股份有限公司 | Pouring method for large-section consumable electrode |
| CN103962517A (en) * | 2013-02-05 | 2014-08-06 | 宝钢特钢有限公司 | Pouring device and method for mold casting of large electrode bars |
| CN104070145A (en) * | 2014-06-19 | 2014-10-01 | 中国科学院金属研究所 | Manufacturing tooling and efficient production method of large height-diameter ratio circular casting billet |
| JP2015217419A (en) * | 2014-05-19 | 2015-12-07 | 株式会社神戸製鋼所 | Bottom-pouring ingot making method |
-
2017
- 2017-05-02 CN CN201710299504.1A patent/CN107130118A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195153A (en) * | 2007-12-19 | 2008-06-11 | 攀钢集团成都钢铁有限责任公司 | Ingot case for producing round ingot and casting method thereof |
| CN103962517A (en) * | 2013-02-05 | 2014-08-06 | 宝钢特钢有限公司 | Pouring device and method for mold casting of large electrode bars |
| CN103231029A (en) * | 2013-05-13 | 2013-08-07 | 山西太钢不锈钢股份有限公司 | Pouring method for large-section consumable electrode |
| JP2015217419A (en) * | 2014-05-19 | 2015-12-07 | 株式会社神戸製鋼所 | Bottom-pouring ingot making method |
| CN104070145A (en) * | 2014-06-19 | 2014-10-01 | 中国科学院金属研究所 | Manufacturing tooling and efficient production method of large height-diameter ratio circular casting billet |
Non-Patent Citations (1)
| Title |
|---|
| 黄希祜译: "《炼钢学》", 30 June 1954, 商务印书馆出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014085A (en) * | 2018-09-11 | 2018-12-18 | 安徽富凯特材有限公司 | A kind of pouring procedure of titanium alloy steel ingot |
| CN109825721A (en) * | 2019-03-20 | 2019-05-31 | 金川集团股份有限公司 | A kind of high nickel matte slow cooling mold and the method for casting, the high nickel matte of slow cooling |
| CN111647723A (en) * | 2020-06-02 | 2020-09-11 | 攀钢集团江油长城特殊钢有限公司 | 10CrNi3MoV round pipe blank and preparation method and application thereof |
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Application publication date: 20170905 |
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