CN203399332U - Enhanced composite graphite electrode casing and electrode - Google Patents
Enhanced composite graphite electrode casing and electrode Download PDFInfo
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- CN203399332U CN203399332U CN201320287766.3U CN201320287766U CN203399332U CN 203399332 U CN203399332 U CN 203399332U CN 201320287766 U CN201320287766 U CN 201320287766U CN 203399332 U CN203399332 U CN 203399332U
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- electrode
- composite graphite
- electrode shell
- enhancement mode
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Abstract
The utility model relates to an enhanced composite graphite electrode casing and an electrode. Due to the fact that the electrode casing comprises carbon fibers, the compressive strength of the casing is doubled, and the casing does not generate cracks caused by heat stress. By using the principle of the surface skin effect of a current conductor, the enhanced composite graphite electrode is good in electrode conductivity, simple and convenient in structure, and safe and reliable in operation, the energy consumption can be reduced, and the manufacturing cost can be reduced.
Description
Technical field
The utility model relates to a kind of enhancement mode composite graphite electrode shell and electrode.
Background technology
Self-baking electrode is electrode paste to be packed in the electrode shell being welded into general steel plate on mineral hot furnace top, utilization forms through fusing roasting by the electric current joule's heat energy of electrode self and the radiant heat of electric furnace, electrode paste is in electrode shell under certain paste column pressure, roasting slowly in smelting process and there is the conductive electrode carbon piece of certain intensity and shape, because limit is used, edge forming, limit roasting, moulding and calcining process have been saved, manufacture craft is simple, cost is relatively low, per ton only have ten thousand yuan of 0.3-0.5, but its shortcoming is that in production process, electrode shell also incorporates in mineral hot furnace thereupon, cause in product the content of iron higher, be not suitable for smelting iron tramp content is controlled to strict product.
CN02230874.1 discloses a kind of graphite soderberg electrode casing, increases the technical problem that product quality declines in order to solve iron tramp in product, if but electrode shell adopts traditional graphite material, be subject to the bulbs of pressure and the thermal stress effect of electrode paste, crackle easily occurs, cause loss of sheet accident to occur.
Therefore find a kind of with low costly, and can guarantee product quality, use safe electrode to become particularly important.
Utility model content
The purpose of this utility model is to provide a kind of enhancement mode composite graphite electrode shell and electrode, and described electrodes conduct performance is good, can reduce energy consumption, reduces cost of manufacture, and it is simple in structure, convenient, and handling safety is reliable.
For achieving the above object, the technical scheme that the utility model adopts is as follows:
A composite graphite electrode shell, its electrode shell 1 by the carbon fiber that comprises 0.5-15mm forms, and described electrode shell 1 two ends are respectively arranged with internal thread 3 and the external screw thread 2 corresponding with described internal thread 3.
As the utility model, further improve, wherein said electrode shell thickness is 60-600mm.
As the utility model, further improve, the diameter of wherein said electrode shell is 100mm-1400mm.
As the utility model, further improve, wherein said electrode shell intracavity diameter is 40-1340mm.
The utility model provides a kind of enhancement mode composite graphite electrode on the other hand, and it comprises at least 2 two enhancement mode composite graphite electrode shells described above, between described electrode shell, by internal thread, is connected with external screw thread, in described electrode shell, self-baking electrode is housed.
The utility model utilizes the set of surfaces skin action principle of Ampereconductors, and the enhancement mode composite graphite electrode being prepared into possesses following advantage:
1. the utility model electrode shell is for adding the graphite composite material of carbon fiber, so the compression strength of shell is doubled, not because thermal stress cracks.
2. the utility model has been avoided the consumption of additional metal shell, with graphite electrode cylinder, replaces, and operation has been simplified.
3. this combination electrode is not high to the requirement of electrode paste.
4. the utility model adopts and is threaded, and simple in structure, handling safety is reliable.
5. reduced the graphitization cost of electrode production enterprise.
6. reduced compound combination electrode consuming cost in application.
7. due to the alleviating of electrode weight, electrode fabrication, lifting, transportation, installation have been facilitated.
Accompanying drawing explanation
Fig. 1 is the utility model enhancement mode coreless armature shell structure schematic diagram;
Fig. 2 is the connection diagram of the utility model enhancement mode combination electrode;
In the accompanying drawings: 1 electrode shell, 2 internal threads, 3 external screw threads, 4 self-baking electrodes.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in more detail.
As shown in Figure 1, a kind of enhancement mode composite graphite electrode shell, the electrode shell 1 of the carbon fiber that it comprises 0.5-15mm, described electrode shell 1 two ends are respectively arranged with internal thread 3 and the external screw thread 2 corresponding with described internal thread 3.As shown in Figure 2, in use the internal thread of several electrode shells 12 is connected with external screw thread 3, and in electrode shell, loads onto self-baking electrode and stick with paste and to sinter self-baking electrode into, form a kind of enhancement mode composite graphite electrode.
The carbon fiber that in the utility model, electrode shell 1 comprises 0.5-15mm, has stronger antioxygenic property and resistance to elevated temperatures, not because thermal stress cracks.When electrode shell 1 connects in the utility model, need apply suitable torsional forces and reach locking state.
embodiment 1the manufacture method of enhancement mode composite graphite electrode shell
A kind of manufacture method of enhancement mode composite graphite electrode shell is as follows:
Choose following percentage by weight composition: 0.075～0.15mm after-smithing petroleum coke powder 23%,
0.5～15mm carbon fiber 5%, 0.5～4mm after-smithing petroleum coke 25%, 4～10mm after-smithing petroleum coke 14%, 10～16mm after-smithing petroleum coke 13%, medium temperature coal pitch 20%, above material composition is carried out after kneading, moulding, roasting, graphitization, carry out again machining and make two ends with the electrode shell 1 of internal thread 2 and external screw thread 3, this electrode shell intracavity diameter is 600mm, the thick 300mm of graphite electrode shell.
embodiment 2the using method of enhancement mode composite graphite electrode shell (enhancement mode is checked the preparation method of graphite electrode)
In use, the enhancement mode composite graphite electrode shell of 10 embodiment 1 gained, by being arranged at the internal thread 2 at two ends and the electrode shell connector that external screw thread 3 connects into tubular, is put into the electrode shell connector obtaining in brasses to brasses energising; In cavity, add electrode paste, electrode paste melts gradually and sinters self-baking electrode 4 into and form combination electrode assemblys (being enhancement mode composite graphite electrode), and the combination electrode assembly of gained is pressed downwards together, sends into the acting of switching on of furnace shell bottom.
Certainly, in use, every mineral hot furnace adopts this enhancement mode combination electrode, according to current density, selects 3-6 to prop up electrode column.Every post electrode is formed by connecting by 8 above electrode shells.
A kind of enhancement mode composite graphite electrode shell provided by the present invention, described electrode shell thickness is set to 60-600mm as required, and the diameter of electrode shell is 100mm-1400mm, and described electrode shell intracavity diameter is 40-1340mm.
The above embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that the common engineers and technicians in this area make the technical solution of the utility model, all should fall in the definite protection range of claims of the present utility model.
Claims (5)
1. an enhancement mode composite graphite electrode shell, it is characterized in that its electrode shell by the carbon fiber that comprises 0.5-15mm (1) forms, described electrode shell (1) two ends are respectively arranged with internal thread (3) and the external screw thread (2) corresponding with described internal thread (3).
2. a kind of enhancement mode composite graphite electrode shell according to claim 1, is characterized in that, described electrode shell thickness is 60-600mm.
3. a kind of enhancement mode composite graphite electrode shell according to claim 1, is characterized in that, the diameter of described electrode shell is 100mm-1400mm.
4. a kind of enhancement mode composite graphite electrode shell according to claim 1, is characterized in that, described electrode shell intracavity diameter is 40-1340mm.
5. an enhancement mode composite graphite electrode, it is characterized in that it comprises at least 2 enhancement mode composite graphite electrode shells described in claim 1-4 any one, between described electrode shell (1), by internal thread (3), be connected (2) with external screw thread, self-baking electrode (4) is housed in described electrode shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320287766.3U CN203399332U (en) | 2013-05-24 | 2013-05-24 | Enhanced composite graphite electrode casing and electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320287766.3U CN203399332U (en) | 2013-05-24 | 2013-05-24 | Enhanced composite graphite electrode casing and electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203399332U true CN203399332U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320287766.3U Expired - Fee Related CN203399332U (en) | 2013-05-24 | 2013-05-24 | Enhanced composite graphite electrode casing and electrode |
Country Status (1)
| Country | Link |
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| CN (1) | CN203399332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103260282A (en) * | 2013-05-24 | 2013-08-21 | 河北顺天电极有限公司 | Enhanced composite graphite electrode and manufacturing and using method thereof |
-
2013
- 2013-05-24 CN CN201320287766.3U patent/CN203399332U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103260282A (en) * | 2013-05-24 | 2013-08-21 | 河北顺天电极有限公司 | Enhanced composite graphite electrode and manufacturing and using method thereof |
| CN103260282B (en) * | 2013-05-24 | 2015-10-28 | 河北顺天电极有限公司 | A kind of enhancement mode composite graphite electrode and making and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20210524 |