CN206247878U - Many extruding large-size graphite electrode metal-silicon furnace power transmission smelting systems of three-phase - Google Patents
Many extruding large-size graphite electrode metal-silicon furnace power transmission smelting systems of three-phase Download PDFInfo
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- CN206247878U CN206247878U CN201620981773.7U CN201620981773U CN206247878U CN 206247878 U CN206247878 U CN 206247878U CN 201620981773 U CN201620981773 U CN 201620981773U CN 206247878 U CN206247878 U CN 206247878U
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Abstract
The utility model discloses a kind of many extruding large-size graphite electrode metal-silicon furnace power transmission smelting systems of three-phase, each phase of Circuit Fault on Secondary Transformer three-phase terminal is divided at least two electrode terminals parallel with one another, and each electrode terminal is connected with a pillar height quality extruded anisotropic graphite electrode respectively；The all of high-quality extruded anisotropic graphite electrode is pierced into stove from the bell top of metal-silicon furnace, and adjacent high-quality extruded anisotropic graphite electrode difference phase, three out of phase high-quality extruded anisotropic graphite electrodes are uniformly distributed setting using equilateral triangle；The rational deployment transmission of electricity acting in stove of many of the three-phase high-quality extruded anisotropic graphite electrode, energization section increases, Large Copacity production is easily expanded high temperature melting area in smelting furnace and the region of reduction reaction production silicon liquid, melting kettle under many electrodes, the area of coverage intersects overlap insertion, sediment is easy to be discharged with silicon water, and furnace bottom long is not easily caused and electric drying furnace is avoided, and greatly saves electric energy and consumption of electrode.
Description
Technical field：
The utility model is related to a kind of graphite electrode application high-capacity industrial silicon burried arc furnace smelting process, more particularly to one
Plant many extruding large-size graphite electrode metal-silicon furnace power transmission smelting systems of three-phase.
Background technology：
At present, domestic and international metal-silicon furnace production is more using the production of three-phase each of three electrodes.Past is due to the extruding big rule of high-quality
Lattice φ 600~φ 800mm graphite electrodes are expensive caused by technology complexity, and low-grade and vibration graphite electrode cannot be fitted
Answer and produced on high efficiency, high-capacity industrial silicon, only applied using low side major diameter carbon electrode 1020~φ of φ 1400mm
On high efficiency, Large Copacity 12500KVA~33000KVA metal-silicon furnaces.It is now domestic using more than 30MN large-size extruders, it is big
Type LWG is serial graphitized and machining system produce high-quality φ 600~φ 800mm graphite electrode technologies are unrestricted,
And it is moderate.This kind of electrode has even structure, good conductivity relative to other electrodes, high-density high-strength, to bear electric current close
High and low ash is spent to grade feature performance benefit.If can be using many extruding φ 600~φ 800mm high-quality extruding of the three-phase six roots of sensation or three-phase
Graphite electrode is applied on large scale industry silicon stove, not only can thoroughly prevent because product quality produce fracture, ftracture, chip off-falling, oxygen
The safety responsibility accidents such as change, can also meet smelting industrial silicon and develop to Large Copacity, high-efficiency low energy consumption, energy-saving and emission-reduction direction.
Utility model content：
Technical problem to be solved in the utility model is：Overcome the deficiencies in the prior art, there is provided a kind of reasonable in design, logical
Electric section increases, greatly saves electric energy and consumption of electrode, conducts electricity very well and many big specification stones of extruding of safe three-phase
Electrode ink metal-silicon furnace power transmission smelting system.
The technical solution of the utility model is：
A kind of many extruding large-size graphite electrode metal-silicon furnace power transmission smelting systems of three-phase, including metal-silicon furnace,
Be provided with bell on the metal-silicon furnace, each phase of Circuit Fault on Secondary Transformer three-phase terminal be divided at least two it is parallel with one another
Electrode terminal, each electrode terminal is connected with a pillar height quality extruded anisotropic graphite electrode respectively；Or, by transformer
Secondary side three-phase terminal identical polar is divided at least two groups, and each group connect with a pillar height quality extruded anisotropic graphite electrode respectively
Connect；The diameter and quantity of high-quality extruded anisotropic graphite electrode, all of Gao Pin according to the Capacity Selection of metal-silicon furnace
Matter extruded anisotropic graphite electrode is pierced into stove from the bell top of metal-silicon furnace, also, adjacent high-quality extruded anisotropic graphite electricity
Extremely different phases, three out of phase high-quality extruded anisotropic graphite electrodes are uniformly distributed setting using equilateral triangle；Three-phase is more
The rational deployment transmission of electricity acting in stove of high-quality extruded anisotropic graphite electrode described in root, energization section increase, Large Copacity production easily makes
The region of high temperature melting area and reduction reaction the production silicon liquid in smelting furnace is expanded, melting kettle under many electrodes, covering
Area intersects overlap insertion, and sediment is easy to be discharged with silicon water, furnace bottom phenomenon long is not easily caused and avoids dryouting electric furnace, can be greatly
Save electric energy and consumption of electrode.
The high-quality extruded anisotropic graphite electrode is using a whole set of big specification ultra high power graphite electrode manufacturing process system processing
Form, its critical process point is selected raw material, die mould technique and graphitization technique, the die mould technique is added using four-part form siccative
Heat, kneading, cool material, samming process system enter back into more than 30MN extruders operation and carry out extruding production；The graphite chemical industry
Skill uses power transmission current density >=30A/cm2The serial graphitized production methods of large-scale LWG.
The technical target of the product of the high-quality extruded anisotropic graphite electrode GHP- I is：The μ Ω m of resistivity 7~9, bulk density
1.62~1.70 g/cm3, the MPa of rupture strength 6~9, elastic modelling quantity 6~10 GPa, thermal coefficient of expansion CTE（0~600 DEG C）
1.5~2.4 × 10-6/ DEG C, ash content≤0.3%, it is allowed to the A/cm of current density ＜ 122；Or, the high-quality extruded anisotropic graphite electricity
The technical target of the product of pole GHP- II is：Resistivity 5~7 μ Ω m, the g/cm of bulk density 1.70~1.773, rupture strength 9
~14 MPa, elastic modelling quantity 8~14 GPa, thermal coefficient of expansion CTE（0~600 DEG C）1.2~2.0 × 10-6/ DEG C, ash content≤
0.15%, it is allowed to the A/cm of current density ＜ 202；When the metal-silicon furnace capacity is 40000~60000KVA, the high-quality
A diameter of 600~φ of Φ 800mm and quantity of extruded anisotropic graphite electrode are 9；The metal-silicon furnace capacity be 30000~
During 40000KVA, a diameter of 700~φ of Φ 800mm and quantity of the high-quality extruded anisotropic graphite electrode are 6；The industrial silicon
When furnace volume is 15000~30000KVA, a diameter of 600~φ of Φ 700mm and number of the high-quality extruded anisotropic graphite electrode
Measure is 6.
Each phase of the Circuit Fault on Secondary Transformer three-phase terminal be divided into two, three, four or five it is parallel with one another
Electrode terminal, shape is the circular, polygon of quadrangle or side number more than four in the stove of the metal-silicon furnace.
Three-phase six roots of sensation graphite electrode is located on two summits of equilateral triangle of different sizes respectively, also, small positive three
Angular summit is located on three side midpoints of big equilateral triangle, or, three-phase six roots of sensation graphite electrode is uniformly distributed along the circumference and meta
In on two summits of equilateral triangle；The root graphite electrode of three-phase nine is uniformly distributed along the circumference and is located at the summits of three equilateral triangles
On, or, the root graphite electrode of three-phase nine is set using the circle that waits of two mutually handing-over, and six graphite are evenly equipped with one of circle
Electrode；The root graphite electrode of three-phase 12 is set using the circle that waits of three mutually handing-over, and six graphite electricity are evenly equipped with each circle
Pole.
The beneficial effects of the utility model are：
1st, the utility model is because using many electric furnace power delivery structures of high-quality extruded anisotropic graphite electrode, energization section increases
Greatly, Large Copacity production is easily expanded high temperature melting area in smelting furnace and the region of reduction reaction production silicon liquid, many
Melting kettle under electrode, the area of coverage intersects overlap insertion, and sediment is easy to be discharged with silicon water, do not easily cause furnace bottom phenomenon long and
Avoid dryouting electric furnace, can greatly save electric energy and consumption of electrode, and protect electric furnace stable, high yield, low consumption in a long time, greatly
Amplitude is increased economic efficiency.
2nd, because using high-quality extruded anisotropic graphite electrode, its premium properties advantage can avoid product liability to the utility model
Accident, is kept the safety in production, and can smelt Element-Level Gao Pin by the selected ultralow ash content raw material manufacture graphite electrode of customer requirement
Position industrial silicon.
3rd, the utility model high-quality extruded anisotropic graphite electrode is using a whole set of big specification ultra high power graphite electrode manufacturing process
System is processed, its critical process point：Selected raw material, die mould technique and graphitization technique.Die mould technique is dry using four-part form
Material heating, kneading, cool material, samming process system enters back into more than 30MN extruders operation carries out extruding production；Graphite chemical industry
Skill uses power transmission current density >=30A/cm2The serial graphitized production methods of large-scale LWG, thus high-quality extruded anisotropic graphite electrode
There is even structure, good conductivity relative to other electrodes, high-density high-strength, to bear the high and low ash of current density performance of grading excellent
Point.
4th, the utility model selects the diameter and quantity of high-quality extruded anisotropic graphite electrode according to metal-silicon furnace capacity, both
Effect of high-quality extruded anisotropic graphite electrode can be made full use of, and can saving energy consumption.
5th, the utility model is using many extruding φ 600~φ 800mm high-quality extruded anisotropic graphite electricity of the three-phase six roots of sensation or three-phase
Pole is applied on large scale industry silicon electric furnace, not only can thoroughly prevent because product quality produce fracture, ftracture, chip off-falling, oxidation etc.
Safety responsibility accident, can also meet smelting industrial silicon and develop to Large Copacity, high-efficiency low energy consumption, energy-saving and emission-reduction direction, its applicable model
Enclose wide, it is easy to which promotion and implementation, economic benefit is obvious.
Brief description of the drawings：
Fig. 1 is one of the utility model three-phase six roots of sensation extruding large-size graphite electrode plane arrangement structure figure；
Fig. 2 is the two of the utility model three-phase six roots of sensation extruding large-size graphite electrode plane arrangement structure figure；
Fig. 3 is one of nine extruding large-size graphite electrode plane arrangement structure figures of the utility model three-phase；
Fig. 4 is the utility model three-phase nine the two of extruding large-size graphite electrode plane arrangement structure figure；
Fig. 5 is 12 extruding large-size graphite electrode plane arrangement structure figures of the utility model three-phase.
Specific embodiment：
Embodiment：Referring to Fig. 1-Fig. 5, in figure, A, B, C represent the three-phase of transformer, and A1-A4 represents the different stones of A phases
Electrode ink, B1-B4 represents the different graphite electrodes of B phases, and C1-C4 represents the different graphite electrodes of C phases.
Many extruded anisotropic graphite electrode metal-silicon furnace power transmission smelting systems of three-phase, its technical scheme is：
A, each phase of Circuit Fault on Secondary Transformer three-phase terminal is divided at least two electrode terminals parallel with one another, often
One electrode terminal respectively with a high-quality extruded anisotropic graphite electrode（Abbreviation graphite electrode）Connection；Or, by transformer secondary
Side three-phase terminal identical polar is divided at least two groups, and each group be connected with a pillar height quality extruded anisotropic graphite electrode respectively；
B, all of high-quality extruded anisotropic graphite electrode is pierced into stove from the bell of metal-silicon furnace top, also, it is adjacent
High-quality extruded anisotropic graphite electrode difference phase, three out of phase high-quality extruded anisotropic graphite electrodes are uniformly divided using equilateral triangle
Cloth is set；
The rational deployment transmission of electricity acting in stove of many of c, the three-phase high-quality extruded anisotropic graphite electrode, the increase of energization section,
Large Copacity production is easily expanded high temperature melting area in smelting furnace and the region of reduction reaction production silicon liquid, many electrodes
Lower melting kettle, the area of coverage intersects overlap insertion, and sediment is easy to be discharged with silicon water, furnace bottom phenomenon long is not easily caused and is avoided
Electric furnace is dryouied, electric energy and consumption of electrode can be greatly saved.
High-quality extruded anisotropic graphite electrode is processed using a whole set of big specification ultra high power graphite electrode manufacturing process system,
Its critical process point is selected raw material, die mould technique and graphitization technique, die mould technique using the heating of four-part form siccative, kneading,
Cool material, samming process system enter back into more than 30MN extruders operation and carry out extruding production；The graphitization technique is used and sent
Electric current density >=30A/cm2The serial graphitized production methods of large-scale LWG.
Each phase of Circuit Fault on Secondary Transformer three-phase terminal is divided into two, three, four or five electrodes parallel with one another
Terminals, shape is the circular, polygon of quadrangle or side number more than four in the stove of metal-silicon furnace.
Three-phase six roots of sensation graphite electrode is located on two summits of equilateral triangle of different sizes respectively, also, small positive three
Angular summit is located on three side midpoints of big equilateral triangle, or, three-phase six roots of sensation graphite electrode is uniformly distributed along the circumference and meta
In on two summits of equilateral triangle；The root graphite electrode of three-phase nine is uniformly distributed along the circumference and is located at the summits of three equilateral triangles
On, or, the root graphite electrode of three-phase nine is set using the circle that waits of two mutually handing-over, and six graphite are evenly equipped with one of circle
Electrode；The root graphite electrode of three-phase 12 is set using the circle that waits of three mutually handing-over, and six graphite electricity are evenly equipped with each circle
Pole.
The uniform rational deployment transmission of electricity acting in stove of many high-quality extruded anisotropic graphite electrodes of the utility model three-phase, is powered and cuts
Face increases, and Large Copacity production is easily expanded high temperature melting area in smelting furnace and the region of reduction reaction production silicon liquid,
Melting kettle under many electrodes, the area of coverage intersects overlap insertion, and sediment is easy to be discharged with silicon water, furnace bottom long is not easily caused and is showed
As with avoid dryouting electric furnace, can greatly save electric energy and consumption of electrode, and safeguard industries silicon electric furnace stablize in a long time, it is high
Product, low consumption, increase substantially economic benefit.
Metal-silicon furnace is as shown in table 1 using Different electrodes power supply mode unit consumption, power consumption comparison sheet：
Table 1
| Project | Unit consumption（Kg/ tons of industrial silicon） | Power consumption（Degree electricity/ton industrial silicon） |
| Carbon resistance rod | 100 or so | 12000 or so |
| The utility model graphite electrode | 50 or so | Less than 10000 |
Metal-silicon furnace capacity is as shown in table 2 with the corresponding relation of the utility model graphite electrode diameter and quantity：
Table 2
| Industrial silicon mineral hot furnace（KVA） | 40000~60000 | 15000~30000 | 30000~40000 |
| Carbon resistance rod diameter specifications（mm） | --- | 1100~φ of Φ 1305/3 | 1305~φ of Φ 1500/3 |
| The utility model graphite electrode | 600~φ of Φ 800/9 | 600~φ of Φ 700/6 | 700~φ of Φ 800/6 |
The utility model high-quality extruded anisotropic graphite electrode（GHP）Technical target of the product it is as shown in table 3：
Table 3
To old enterprise, when power supply uses transformer constant, can be using the phase of stove Circuit Fault on Secondary Transformer three-phase terminal one point
Two, three or four terminals in parallel, three-phase 6,9 or 12 root graphite electrodes are returned in equilateral triangle is conductive in connection stove
Road plane figure, makes the uniform rational deployment transmission of electricity acting in stove of many root graphite electrodes of three-phase.
To newly-built metal-silicon furnace, what new upper power supply transformer was also designed to secondary connection end identical polar is divided into two
Group, three groups or four groups, three-phase 6,9 or 12 root graphite electrodes are in equilateral triangle galvanic circle plane figure in connection stove,
Make the uniform rational deployment transmission of electricity acting in stove of many root graphite electrodes of three-phase.
The above, is only preferred embodiment of the present utility model, not makees any formal to the utility model
Limitation, every any simple modification made to above example according to technical spirit of the present utility model, equivalent variations with
Modification, still falls within the range of technical solutions of the utility model.
Claims (7)
1. a kind of many extruding large-size graphite electrode metal-silicon furnace power transmission smelting systems of three-phase, including metal-silicon furnace, institute
State and bell is provided with metal-silicon furnace, it is characterized in that：Each phase of Circuit Fault on Secondary Transformer three-phase terminal is divided at least two
Electrode terminal parallel with one another, each electrode terminal is connected with a pillar height quality extruded anisotropic graphite electrode respectively；Or,
Circuit Fault on Secondary Transformer three-phase terminal identical polar is divided at least two groups, each group respectively with a pillar height quality extruded anisotropic graphite
Electrode is connected；The diameter and quantity of high-quality extruded anisotropic graphite electrode, all of institute according to the Capacity Selection of metal-silicon furnace
High-quality extruded anisotropic graphite electrode is stated to be pierced into stove from the bell top of metal-silicon furnace, also, adjacent high-quality extruding
Graphite electrode difference phase, three out of phase high-quality extruded anisotropic graphite electrodes are uniformly distributed setting using equilateral triangle；
The rational deployment transmission of electricity acting in stove of many of the three-phase high-quality extruded anisotropic graphite electrode, the increase of energization section, Large Copacity production
Easily expanded the high temperature melting area in smelting furnace and the region of reduction reaction production silicon liquid, melting earthenware under many electrodes
Crucible, the area of coverage intersects overlap insertion, and sediment is easy to be discharged with silicon water, furnace bottom phenomenon long is not easily caused and avoids dryouting electricity
Stove, can greatly save electric energy and consumption of electrode；When the metal-silicon furnace capacity is 40000~60000KVA, the high-quality
A diameter of 600~φ of Φ 800mm and quantity of extruded anisotropic graphite electrode are 9；The metal-silicon furnace capacity be 30000~
During 40000KVA, a diameter of 700~φ of Φ 800mm and quantity of the high-quality extruded anisotropic graphite electrode are 6；The industrial silicon
When furnace volume is 15000~30000KVA, a diameter of 600~φ of Φ 700mm and number of the high-quality extruded anisotropic graphite electrode
Measure is 6.
2. many of three-phase according to claim 1 extrudes large-size graphite electrode metal-silicon furnace power transmission smelting systems, its
It is characterized in：The high-quality extruded anisotropic graphite electrode is using the processing of a whole set of big specification ultra high power graphite electrode manufacturing process system
Into its critical process point is selected raw material, die mould technique and graphitization technique, and the die mould technique is added using four-part form siccative
Heat, kneading, cool material, samming process system enter back into more than 30MN extruders operation and carry out extruding production；The graphite chemical industry
Skill uses power transmission current density >=30A/cm2The serial graphitized production methods of large-scale LWG.
3. many of three-phase according to claim 1 and 2 extrudes large-size graphite electrode metal-silicon furnace power transmission smelting systems,
It is characterized in that：The technical target of the product of the high-quality extruded anisotropic graphite electrode GHP- I is：The μ Ω m of resistivity 7~9, volume is close
1.62~1.70 g/cm of degree3, the MPa of rupture strength 6~9, elastic modelling quantity 6~10 GPa, thermal coefficient of expansion CTE（0~600 DEG C）
1.5~2.4 × 10-6/ DEG C, ash content≤0.3%, it is allowed to the A/cm of current density ＜ 122；Or, the high-quality extruded anisotropic graphite electricity
The technical target of the product of pole GHP- II is：Resistivity 5~7 μ Ω m, the g/cm of bulk density 1.70~1.773, rupture strength 9
~14 MPa, elastic modelling quantity 8~14 GPa, thermal coefficient of expansion CTE（0~600 DEG C）1.2~2.0 × 10-6/ DEG C, ash content≤
0.15%, it is allowed to the A/cm of current density ＜ 202。
4. many of three-phase according to claim 1 extrudes large-size graphite electrode metal-silicon furnace power transmission smelting systems, its
It is characterized in：Each phase of the Circuit Fault on Secondary Transformer three-phase terminal is divided into two, three, four or five electricity parallel with one another
Pole terminals, shape is the circular, polygon of quadrangle or side number more than four in the stove of the metal-silicon furnace.
5. many of three-phase according to claim 4 extrudes large-size graphite electrode metal-silicon furnace power transmission smelting systems, its
It is characterized in：Three-phase six roots of sensation graphite electrode is located on two summits of equilateral triangle of different sizes respectively, also, small positive triangle
The summit of shape is located on three side midpoints of big equilateral triangle, or, three-phase six roots of sensation graphite electrode is uniformly distributed along the circumference and is located at
On two summits of equilateral triangle.
6. many of three-phase according to claim 4 extrudes large-size graphite electrode metal-silicon furnace power transmission smelting systems, its
It is characterized in：The root graphite electrode of three-phase nine is uniformly distributed along the circumference and is located on the summits of three equilateral triangles, or, nine stones of three-phase
Electrode ink is set using the circle that waits of two mutually handing-over, and six graphite electrodes are evenly equipped with one of circle.
7. many of three-phase according to claim 4 extrudes large-size graphite electrode metal-silicon furnace power transmission smelting systems, its
It is characterized in：The root graphite electrode of three-phase 12 is set using the circle that waits of three mutually handing-over, and six graphite are evenly equipped with each circle
Electrode.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197037A (en) * | 2016-08-30 | 2016-12-07 | 冯建国 | Many extruded anisotropic graphite electrode metal-silicon furnace power transmission smelting processes of three-phase and system |
| CN109458841A (en) * | 2018-12-21 | 2019-03-12 | 高凯宏 | A kind of setting of metal-silicon furnace electrode and arrangement |
-
2016
- 2016-08-30 CN CN201620981773.7U patent/CN206247878U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197037A (en) * | 2016-08-30 | 2016-12-07 | 冯建国 | Many extruded anisotropic graphite electrode metal-silicon furnace power transmission smelting processes of three-phase and system |
| CN109458841A (en) * | 2018-12-21 | 2019-03-12 | 高凯宏 | A kind of setting of metal-silicon furnace electrode and arrangement |
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Effective date of registration: 20190819 Address after: 453600 East 3 Industrial Avenue, Hongzhou Industrial Park, Huixian City, Xinxiang City, Henan Province Co-patentee after: Sheng Rui Energy Technology Co.,Ltd. Patentee after: Henan Gaoshuo New Material Technology Co.,Ltd. Co-patentee after: Feng Jianguo Co-patentee after: Ding Jiebin Address before: 101200 Beijing Pinggu District Zhongguancun Science and Technology Park Pinggu Park Xinggu A District 7-42 Co-patentee before: Feng Jianguo Patentee before: Sheng Rui Energy Technology Co.,Ltd. Co-patentee before: Ding Jiebin |
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Address after: 453600 East 3 Industrial Avenue, Hongzhou Industrial Park, Huixian City, Xinxiang City, Henan Province Co-patentee after: Sheng Rui Energy Technology Co.,Ltd. Patentee after: Henan Shengrui carbon material technology Co.,Ltd. Co-patentee after: Feng Jianguo Co-patentee after: Ding Jiebin Address before: 453600 East 3 Industrial Avenue, Hongzhou Industrial Park, Huixian City, Xinxiang City, Henan Province Co-patentee before: Sheng Rui Energy Technology Co.,Ltd. Patentee before: Henan Gaoshuo New Material Technology Co.,Ltd. Co-patentee before: Feng Jianguo Co-patentee before: Ding Jiebin |
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Effective date of registration: 20200722 Address after: 453600 East 3 Industrial Avenue, Hongzhou Industrial Park, Huixian City, Xinxiang City, Henan Province Co-patentee after: Sheng Rui Energy Technology Co.,Ltd. Patentee after: Henan Shengrui carbon material technology Co.,Ltd. Co-patentee after: Feng Jianguo Co-patentee after: Ding Jiebin Co-patentee after: Shao Mei Address before: 453600 East 3 Industrial Avenue, Hongzhou Industrial Park, Huixian City, Xinxiang City, Henan Province Co-patentee before: Sheng Rui Energy Technology Co.,Ltd. Patentee before: Henan Shengrui carbon material technology Co.,Ltd. Co-patentee before: Feng Jianguo Co-patentee before: Ding Jiebin |