CN202658178U - Water cooling center furnace cover ring of electric furnace - Google Patents
Water cooling center furnace cover ring of electric furnace Download PDFInfo
- Publication number
- CN202658178U CN202658178U CN2012202430532U CN201220243053U CN202658178U CN 202658178 U CN202658178 U CN 202658178U CN 2012202430532 U CN2012202430532 U CN 2012202430532U CN 201220243053 U CN201220243053 U CN 201220243053U CN 202658178 U CN202658178 U CN 202658178U
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- China
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- water cooling
- water
- furnace
- cooled
- electric furnace
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- Expired - Fee Related
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- 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
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- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model discloses a water cooling center furnace cover ring of an electric furnace. The water cooling center furnace cover ring of the electric furnace comprises a plurality of layers of water cooling steel pipes and a water cooling support composed of water cooling pipes and connecting plates among the water cooling pipes. The water cooling steel pipes are arranged in inclined mode, the diameter of the water cooling pipes is reduced gradually, the inner portion of the water cooling support is of a conical structure, and three reinforced plates are evenly distributed on the inner side of the water cooling support. The water cooling center furnace cover ring of the electric furnace is characterized in that the lowest layer of the plurality of layers of water cooling steel pipes is connected with a circle of a copper pipe with the same diameter and wall thickness of the water cooling steel pipes, and the diameter of a copper pipe ring is increased by 20mm relative to an original water cooling steel pipe and is the same as the diameter of an adjacent upper-layer steel pipe ring. The water cooling center furnace cover ring of the electric furnace is particularly suitable for metallurgical electric furnaces with furnace door oxygen blowing or furnace wall oxygen blowing, effectively solves the problem of water leakage of the central furnace cover ring of the electric furnace, eliminates potential safety hazard, simultaneously saves cost of spare parts and maintenance time, guarantees stable operation of production of the electric furnace, and effectively improves economic benefits.
Description
Technical field
The utility model relates to a kind of metallurgical electric furnace furnace cover structure, specifically, relates to a kind of electric furnace water-cooling center roof ring.
Background technology
There is the anti-material in center in a belt electrode hole at the large bell of modern electric furnace water-cooling center, anti-material with greatly between the bell centered by the anti-material in roof ring supporting and protecting center.The center roof ring has several structure formations such as steel construction, high temperature resistant cast iron, multilayer steel pipe water-cooled circle.Steel construction center roof ring exists under the hot environment yieldingly, has simultaneously the scaling loss oxidative phenomena, and distortion shortens service life of refractory material to the squeeze of anti-material greatly, because distortion and melting loss, steel construction and anti-material are together scrapped.High temperature resistant cast-iron stove decorative cover has overcome the shortcoming of distortion, but oxidization burning loss is inevitable, same so that it can only scrap with anti-material is disposable; Multilayer water-cooled steel pipe center roof ring has overcome distortion, scaling loss defective, but brought the hidden danger of leaking, because modern electric furnace all adopts fire door oxygen blast technique mostly, had inevitably oxygen during oxygen blast and overflow liquid steel level, cause simultaneously near the high-temperature molten steel slag splash that electrode is, oxidation melting loss water-cooled steel pipe causes water leakage fault, may cause the stove implode when serious, for guaranteeing safety in production, in case water-cooled center roof ring water leakage fault occurs, the replacing that must stop production immediately causes to produce and interrupts.The main reason that causes water cooling tube to leak has two: the one, and the furnace door oxygen lance oxygen blast causes near the high-temperature molten steel splash the electric arc, near the molten steel drop scaling loss water-cooled steel pipe of boiling point; The 2nd, partial oxidation overflows the slag liquid level during fire door oxygen blast, mixes with other gas in the stove, and the oxygen enrichment high-temperature flue gas rises, and so oxidation bottom water-cooled steel pipe is always next circle of all steel water-cooled center roof ring damage.
Summary of the invention
In order to overcome above-mentioned deficiency, the utility model provides a kind of electric furnace water-cooling center roof ring, effectively prevents from leaking, and guarantees safe production, and improves equipment operation rate, increases economic benefit, can life-time service.
The technical solution adopted in the utility model is: a kind of electric furnace water-cooling center roof ring, comprise multilayer water-cooled steel pipe, water cooling tube and the web plate between them form water cooled holder, the water-cooled steel pipe is for being obliquely installed, and the water cooling tube diameter dwindles step by step, water cooled holder inside is the truncated cone-shaped structure, water cooled holder inboard three stiffening plates of evenly arranging, it is characterized in that: the basecoat of multilayer water-cooled steel pipe connects a circle and the same latus rectum of other water-cooled steel pipe, copper tube Deng wall thickness, the relatively former water cooled steel pipeloop of this copper pipe loop diameter increases 20mm, is adjacent upper strata steel pipe loop diameter identical.
The utility model water cooled pipeline is comprised of multilayer water-cooled steel pipe and basecoat water-cooled copper tube, and water-cooled copper is simmered the not direct anti-material of contact center of water-cooled circle of system.This technology is utilized the characteristic that the red copper thermal conductivity is good, the oxidation-resistance of copper is strong, the water coolant of quick conductive in the copper pipe, and cooling-water flowing is taken away molten steel drop heat, and the molten steel drop is once the quick cooled and solidified of contact copper tube, can not burn, the oxidation water-cooled copper.It is that the intensity of copper is low than steel that the copper pipe loop diameter enlarges purpose relatively, makes it not bear the squeeze of anti-material heat when rising, and the heat expansion pressure of the gravity of anti-material the and horizontal direction is born by one group of top steel pipe that tilts.
The electric furnace water-cooling center roof ring that the utility model provides: efficiently solve electric furnace steel pipe water-cooled center roof ring seepy question, got rid of the accident potential such as blast, guaranteed safety in production; Electric furnace center roof ring can increase more than 4 times than primary structure water-cooled center roof ring work-ing life; The anti-material life-span of center can improve 30%; Saved simultaneously spare part expense, repair time, guaranteed the steady running that furnace equipment is produced, Effective Raise economic benefit.
Below in conjunction with drawings and Examples the utility model is described further.
Description of drawings
Fig. 1 is the sectional view of the utility model electric furnace center roof ring device.
1. supporting cups among the figure; 2. the water-cooled steel pipe 1; 3. the water-cooled steel pipe 2; 4. stiffening plate 1; 5. stiffening plate 2; 6. web plate 1; 7. the water-cooled steel pipe 3; 8. the water-cooled steel pipe 4; 9. the water-cooled steel pipe 5; 10. water-cooled copper tube; 11. web plate 2; 12. web plate 3; 13. web plate 4; 14. web plate 5.
Embodiment
Embodiment:
Fig. 1 shows a kind of electric furnace water-cooling center roof ring, comprise multilayer water-cooled steel pipe 2,3,7,8,9, it is characterized in that: the same latus rectum of the following connection of multilayer water-cooled steel pipe 2,3,7,8,9 circle, etc. the copper tube 10 of wall thickness, the relatively former water cooled steel pipeloop of this copper pipe loop diameter increases 20mm, and is identical with water-cooled steel pipe 9.
As shown in Figure 1, the central water-cooling roof ring is by supporting cup 1, be fixed in the large roof ring of water-cooled, water-cooled steel pipe 2,3,7,8,9 and the web plate between them 6,11,12,13,14 form water cooled holder, the centre of support refractory materials, stiffening plate 4,5 and a stiffening plate of sectional view opposite side is uniform is welded on the water cooled holder inboard (this installs uniform three stiffening plates of whole circle, only show two among the figure), play the anti-material of reinforced support intensity and the centre of location, water-cooled copper tube 10 is installed in orlop, when the molten drop that causes when oxygen blast or gas-liquid mixture splash are attached to the copper tube surface, because the quick conductive of copper, heat passes to water coolant in the pipe fast, and surplus heat can not leak by melting loss water-cooled copper tube; Red copper has good oxidation-resistance simultaneously, can resist the furnace gas oxidation.Thereby which floor the water-cooled steel pipe above effectively having protected, whole water-cooled center roof ring is protected, the equipment that the solved hidden danger of leaking.
Claims (1)
1. electric furnace water-cooling center roof ring, comprise multilayer water-cooled steel pipe, water cooling tube and the web plate between them form water cooled holder, the water-cooled steel pipe is for being obliquely installed, and the water cooling tube diameter dwindles step by step, water cooled holder inside is the truncated cone-shaped structure, water cooled holder inboard three stiffening plates of evenly arranging, it is characterized in that: the basecoat of multilayer water-cooled steel pipe connect a circle and the same latus rectum of other water-cooled steel pipe, etc. the copper tube of wall thickness, the relatively former water cooled steel pipeloop of this copper pipe loop diameter increases 20mm, is adjacent upper strata steel pipe loop diameter identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202430532U CN202658178U (en) | 2012-05-28 | 2012-05-28 | Water cooling center furnace cover ring of electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202430532U CN202658178U (en) | 2012-05-28 | 2012-05-28 | Water cooling center furnace cover ring of electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202658178U true CN202658178U (en) | 2013-01-09 |
Family
ID=47453097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202430532U Expired - Fee Related CN202658178U (en) | 2012-05-28 | 2012-05-28 | Water cooling center furnace cover ring of electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202658178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088237A (en) * | 2017-11-27 | 2018-05-29 | 云南冶金新立钛业有限公司 | For the furnace roof centerpiece component for the direct-current airtight electric arc furnace that titanium slag is smelted |
-
2012
- 2012-05-28 CN CN2012202430532U patent/CN202658178U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088237A (en) * | 2017-11-27 | 2018-05-29 | 云南冶金新立钛业有限公司 | For the furnace roof centerpiece component for the direct-current airtight electric arc furnace that titanium slag is smelted |
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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 |
Granted publication date: 20130109 Termination date: 20180528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |