CN2872244Y - Small furnace-roof centering block of electric arc furnace - Google Patents
Small furnace-roof centering block of electric arc furnace Download PDFInfo
- Publication number
- CN2872244Y CN2872244Y CN200620053270.XU CN200620053270U CN2872244Y CN 2872244 Y CN2872244 Y CN 2872244Y CN 200620053270 U CN200620053270 U CN 200620053270U CN 2872244 Y CN2872244 Y CN 2872244Y
- Authority
- CN
- China
- Prior art keywords
- central block
- electric arc
- bricks
- electrode
- port lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010891 electric arc Methods 0.000 title claims abstract description 20
- 239000011449 brick Substances 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 abstract description 6
- 239000011819 refractory material Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 12
- 244000257782 Ipomoea triloba Species 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
本实用新型公开了一种电弧炉小炉盖中心块，中心块中的电极孔内镶嵌有套砖，其中所采用的套砖为椭圆形套砖，该椭圆形套砖由两块半椭圆形套砖合并而成。本实用新型可以解决小炉盖中心块在安装使用过程中电极的对孔问题，达到快速校准电极中心孔，提高安装效率；同时又保证了电极孔位置的耐材厚度，较大程度上提高了小炉盖中心块的使用寿命。
The utility model discloses a central block of a small furnace cover of an electric arc furnace. A set of bricks is inlaid in an electrode hole in the center block, wherein the set of bricks adopted is an elliptical set of bricks, and the elliptical set of bricks is composed of two semi-elliptical Sets of bricks combined. The utility model can solve the problem of the hole alignment of the electrodes during the installation and use of the center block of the small furnace cover, achieve rapid calibration of the center hole of the electrode, and improve the installation efficiency; at the same time, it ensures the thickness of the refractory material at the position of the electrode hole, which greatly improves the The service life of the center block of the small furnace cover.
Description
Technical field
The utility model relates to the port lid central block that a kind of electric arc furnaces uses.
Background technology
Steel-making single-phase DC electric arc furnaces, steel-making three-phase ac electric arc furnace, the central block that comprises the little bell that vertical electric arc furnaces etc. uses uses at the electric arc furnace roof, and its effect is to prevent to rob between electrode and the bell cooled plate arc to cause that the water-cooled part leaks in the working region of electrode.Because port lid central block poor working environment consumes soon, aspect the anti-material use of central block, the corundum material has the intensity height, thermal shock performance is good, and functions such as anti-erosion are widely used.
The port lid central block that present domestic electric arc furnaces factory uses mostly is an overall structure, and port lid central block core has electrode hole, as shown in Figure 1, 2.In the electric arc furnaces production process, mainly contain following defective: 1) electrode aperture of port lid central block is excessive, and the thickness of anti-material reduces, and consumes and accelerates; And electrode aperture is too small, when electrode shakes at transmission process, can touch anti-material and causes that electrode is non-conductive to fracture.2) because the port lid central block anti-materials of outer water-cooled part cooling protection that adopt more; so reservation certain space between little bell and big bell water-cooled part; this has just caused in installation; the position of port lid central block is difficult for accurately fixing; normal change; the problem that the electrode hole of electrode and port lid central block is difficult to aim at will appear; and the port that former design is used lid central block is when the position changes at the scene; electrode pair hole difficulty; often need be by mechanical external force, the portion size that changes electrode hole reaches the purpose of calibration.3) change the caliber size that port covers the central block electrode hole by mechanical external force,, have influence on the service life of anti-material greatly the huge destruction of mechanical and physical performance generation of anti-material.4) owing to adopt the anti-material of corundum matter, it is very difficult that mechanical external force changes its electrode hole caliber size, needs cost great amount of manpower and time, thereby have influence on the set-up time of little bell.
The utility model content
The purpose of the present utility model is to provide a kind of use electric arc furnaces port lid central block flexibly, can solve port lid central block in installing and using process electrode to the hole problem, reach quickly calibrated centre hole of electrode, improve installation effectiveness, can guarantee simultaneously the thickness of anti-material of electrode hole position again, improve the service life of port lid central block.
For reaching above-mentioned purpose, a kind of electric arc furnaces port that the utility model provides covers central block, and tool electrode hole in the central block is inlaid with the cover brick in the electrode hole.
In the such scheme, the cover brick that is adopted is oval cover brick, and this ellipse cover brick can be formed by the merging of two half elliptics cover bricks.
The utility model adopts above structure, has guaranteed the size of port lid central block electrode hole bore on the one hand, avoids excessive; Overlap the position of brick on the other hand by the ellipse of regulating or dismantle central block, can quickly calibrated electrode hole.In conjunction with the concrete condition of electric furnace production scene, the utlity model has following outstanding characteristics:
1. the installation of port lid central block is not subjected to the influence in space between on-the-spot little bell and the big bell, can directly lift fixing;
2. the ellipse cover brick of being made up of two half elliptic cover bricks conveniently hangs and unloads adjusting position, can be according to the diverse location regulating sleeve brick and the gaps between electrodes of electrode.In case of necessity, can also dismantle wherein half elliptic cover brick, to reach more quick adjustment gap;
3. need not to change the size of electrode hole, avoided the physical property and the mechanical performance of the anti-material of port lid central block to be damaged, overlap the effect that brick also plays the anti-material of protection internal layer simultaneously, improve service life to a great extent by mechanical external force;
4. generally, the time of complete installation little bell of the present invention only is the half the time of former little bell, and the calibration hit rate of port lid central block electrode can reach 100%.
Description of drawings
Fig. 1 is the cutaway view of common vertical electric arc furnaces port lid central block;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the cutaway view of ordinary arc furnace port lid central block;
Fig. 4 is the front view of Fig. 3;
Fig. 5 is the cutaway view of vertical electric arc furnaces port lid central block of the present utility model;
Fig. 6 is the front view of Fig. 3;
Fig. 7 is the cutaway view of electric arc furnaces port lid central block of the present utility model;
Fig. 8 is the front view of Fig. 7;
Fig. 9 is the cutaway view of the cover brick of electric arc furnaces port lid central block of the present utility model;
Figure 10 is the front view of Fig. 9.
The specific embodiment
Shown in Fig. 5～10, electric arc furnaces port lid central block 1 of the present utility model is to be embedded in the integral body that constitutes on the electrode hole 2 of central block by overlapping brick 3, and the cover brick 3 that is wherein adopted is oval cover brick, and this cover brick 3 is formed by the merging of two half elliptic cover bricks.In installation process, port is covered central block be fixed on the big bell water-cooled part by outer cooling piece; When carrying out the electrode hole calibration, move the anti-material of position adjustments central block and the on-the-spot gaps between electrodes of cover brick by using suspender, guarantee in normal electrode rocks scope, not come in contact; Where necessary, can dismantle half oval cover brick separately to reach the purpose of quick adjustment.
Claims (3)
1, a kind of electric arc furnaces port lid central block, tool electrode hole (2) in the central block (1) is characterized in that being inlaid with in the electrode hole (2) cover brick (3).
2, electric arc furnaces port lid central block according to claim 1 is characterized in that described cover brick (3) is oval cover brick.
3, electric arc furnaces port lid central block according to claim 2 is characterized in that described oval cover brick (3) is formed by the merging of two half elliptic cover bricks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620053270.XU CN2872244Y (en) | 2006-01-05 | 2006-01-05 | Small furnace-roof centering block of electric arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620053270.XU CN2872244Y (en) | 2006-01-05 | 2006-01-05 | Small furnace-roof centering block of electric arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2872244Y true CN2872244Y (en) | 2007-02-21 |
Family
ID=37740593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200620053270.XU Expired - Fee Related CN2872244Y (en) | 2006-01-05 | 2006-01-05 | Small furnace-roof centering block of electric arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2872244Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390264A (en) * | 2021-05-12 | 2021-09-14 | 江苏永钢集团有限公司 | Accurate and efficient centering LF furnace refractory furnace cover and installation method thereof |
-
2006
- 2006-01-05 CN CN200620053270.XU patent/CN2872244Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390264A (en) * | 2021-05-12 | 2021-09-14 | 江苏永钢集团有限公司 | Accurate and efficient centering LF furnace refractory furnace cover and installation 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: 20070221 Termination date: 20130105 |