CN211713146U - Novel electric converter smelting equipment - Google Patents
Novel electric converter smelting equipment Download PDFInfo
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- CN211713146U CN211713146U CN202020332081.6U CN202020332081U CN211713146U CN 211713146 U CN211713146 U CN 211713146U CN 202020332081 U CN202020332081 U CN 202020332081U CN 211713146 U CN211713146 U CN 211713146U
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- water
- cooling
- cooling elbow
- elbow
- bell body
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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
Abstract
The utility model discloses a novel electric converter smelting device, which belongs to the electric furnace smelting technical field. The utility model discloses a bell body, bell body's upper surface intercommunication has the water-cooling elbow, and the water-cooling elbow comprises water-cooling elbow upper segment and water-cooling elbow hypomere, the setting of water-cooling elbow hypomere in bell body surface center department, the junction of water-cooling elbow upper segment and water-cooling elbow hypomere is provided with the locating pin, the output of water-cooling elbow upper segment is provided with the deposit room, the output of deposit room is connected with waste heat recovery system. The utility model discloses with the upper portion center department of water-cooling elbow setting at the bell body to with the suitable improvement of water-cooling elbow's central elevation, enable most molten steel, the slag that splash and fall back in the molten bath, can solve the bell body and the difficult problem that the stove outer covering bonding can not be opened, in the molten steel and the slag entering subsider of avoiding splashing, reduce the clearance operation degree of difficulty of subsider, can not exert an influence to the recovery of sequent waste heat.
Description
Technical Field
The utility model relates to an electric stove smelts technical field, more specifically says, relates to a novel electric converter smelting equipment.
Background
The traditional electric furnace smelting process mainly adopts a smelting mode of 100 percent of scrap steel or scrap steel and a small amount of molten iron, and uses graphite electrodes for heating and furnace wall oxygen combustion burners for supplying heat. In recent years, with higher prices of scrap steel raw materials and graphite electrodes, the charging material structure of electric furnace steelmaking is changed for reducing the cost of steel per ton, the adding proportion of molten iron is gradually increased, and part of the traditional electric furnace smelting mode is changed, so that the electric furnace is converted. The traditional electric furnace water-cooling elbow is positioned on the edge side of the electric furnace cover, the central elevation is lower and is close to the electric furnace flue, molten steel and slag splashed during smelting are easily sucked into the electric furnace settling chamber through the electric furnace water-cooling elbow by a primary dust removal fan of the electric furnace, so that the molten steel is greatly wasted, meanwhile, the molten steel and the slag are bonded on the inner wall surface and the ground of the settling chamber, the periodic cleaning operation intensity and difficulty of the settling chamber are increased, part of enterprises adopt a method of pumping water in the settling chamber in the smelting process, so that the molten steel and the slag are solidified, and the molten steel and the slag are prevented from being bonded on the wall of the settling chamber. In addition, because the water-cooled elbow of the furnace cover of the traditional electric furnace is positioned at the edge of the furnace cover, a cold area is formed at the edge of the furnace cover in the smelting process, and splashed molten steel and slag are easy to adhere to the joint of the furnace cover and the furnace shell, so that the furnace cover is not easy to open, and the operation of field workers is influenced.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
An object of the utility model is to overcome prior art not enough, provide a novel electric converter smelting equipment, the utility model discloses set up the water-cooling elbow in the upper portion center department of bell body to properly improve the central elevation of water-cooling elbow, enable most the molten steel that splash, during the slag fall back the dissolving tank, solve bell body and stove outer covering bonding and can not open a difficult problem, in the molten steel and the slag entering subsider of avoiding splashing, reduce the clearance operation degree of difficulty of subsider.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a novel electric converter smelting equipment, including bell body and stove outer covering, the upper portion of stove outer covering install the bell body, the upper surface intercommunication of bell body has the water-cooling elbow, the water-cooling elbow comprises water-cooling elbow upper segment and water-cooling elbow hypomere, the setting of water-cooling elbow hypomere be in bell body surface center department, the junction of water-cooling elbow upper segment and water-cooling elbow hypomere is provided with the locating pin, the mutual pin joint of water-cooling elbow upper segment and water-cooling elbow hypomere, the output of water-cooling elbow upper segment is provided with the deposit room, the input of deposit room passes through pipeline and the sealed butt joint of water-cooling elbow upper segment, the output of deposit room is connected with waste heat recovery system.
Furthermore, the furnace cover body is composed of a plurality of imperforate water cooling pieces, the imperforate water cooling pieces are fixedly assembled with each other, and the imperforate water cooling pieces are spliced with each other to form a circular ring.
Furthermore, the water-cooling elbow is in a bent pipe shape, two ends of the lower section of the water-cooling elbow are respectively communicated with the upper section of the water-cooling elbow and the furnace cover body, and the upper section of the water-cooling elbow and the lower section of the water-cooling elbow are mutually butted.
Furthermore, the upper section of the water-cooling elbow and the lower section of the water-cooling elbow are detachably assembled through a positioning pin.
Furthermore, the center of the upper part of the furnace cover body is upwards protruded.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
the utility model discloses with the upper portion center department of water-cooled elbow setting at the bell body to with the suitable improvement of water-cooled elbow's central elevation, enable most molten steel, the slag that splash and fall back in the molten bath, can solve electric stove converter ization back, the molten steel that brings, the difficult problem that bell body and stove outer covering that the slag splash lead to bond and can not be opened, in the molten steel and the slag entering subsider of avoiding splashing, reduce the clearance operation degree of difficulty of subsider, can not exert an influence to the recovery of subsequence waste heat.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the furnace lid structure of the present invention;
FIG. 3 is a side view of the furnace lid structure of the present invention;
fig. 4 is a top view of the furnace lid structure of the present invention.
In the figure: 1. a furnace lid body; 11. a non-porous water-cooled piece; 2. water-cooling the elbow; 3. a water-cooled elbow upper section; 4. the lower section of the water-cooled elbow; 5. positioning pins; 6. a settling chamber; 7. a waste heat recovery system; 8. and (5) a furnace shell.
Detailed Description
The invention is further described with reference to the following figures and examples:
example 1
As can be seen from FIGS. 1 to 4, the novel electric converter smelting equipment of the embodiment comprises a furnace cover body 1 and a furnace shell 8, wherein the furnace cover body 1 is installed on the upper part of the furnace shell 8, the center of the upper part of the furnace cover body 1 is upwards protruded, the furnace cover body 1 is composed of a plurality of non-porous water cooling pieces 11, the non-porous water cooling pieces 11 are fixedly assembled with each other, the non-porous water cooling pieces 11 are spliced with each other to form a ring, the upper surface of the furnace cover body 1 is communicated with a water-cooling elbow 2, the water-cooling elbow 2 is composed of an upper water-cooling elbow section 3 and a lower water-cooling elbow section 4, the lower water-cooling elbow section 4 is arranged at the center of the surface of the furnace cover body 1, a positioning pin 5 is arranged at the joint of the upper water-cooling elbow section 3 and the lower water-cooling elbow section 4, a settling chamber 6 is arranged at the output end of the upper water-cooling elbow section 3, the output end of the settling chamber 6 is connected with a waste heat recovery system 7.
The arrangement of the water-cooled elbow 2 ensures that the molten steel and the slag can not be bonded on the wall of the settling chamber 6, the flue gas temperature of the electric furnace can not be reduced, the recovery quantity of the subsequent waste heat recovery system 7 for steam can not be reduced, the service life of the settling chamber 6 is effectively prolonged, artificial water cooling is not needed, and water resources are saved.
The water-cooling elbow 2 is of a bent pipe shape, two ends of the lower section 4 of the water-cooling elbow are respectively communicated with the upper section 3 of the water-cooling elbow and the furnace cover body 1, the upper section 3 of the water-cooling elbow and the lower section 4 of the water-cooling elbow are mutually butted, and the upper section 3 of the water-cooling elbow and the lower section 4 of the water-cooling elbow are detachably assembled through the positioning pin 5 so as to be convenient to replace, clean and maintain.
The steel slag bonded on the lower section 4 of the water-cooling elbow can automatically peel off and fall into a hearth under the alternation of self weight and cold and heat, and after the steel slag bonded on the upper section 3 of the water-cooling elbow accumulates to a certain degree, the upper section 3 of the water-cooling elbow and the lower section 4 of the water-cooling elbow can be mutually detached, and the upper section 3 of the water-cooling elbow or the lower section 4 of the water-cooling elbow can be lifted and transported in a targeted manner to be cleaned or replaced.
The electrode operation is cancelled in the furnace shell 8 part, the electrode insertion hole of the traditional electric furnace is cancelled in the furnace cover body 1 part, the water-cooling elbow 2 is arranged in the middle of the upper portion of the furnace cover body 1, when a fan sucks, smoke is uniformly collected from the periphery of the furnace chamber to the center, the smoke flow field in the furnace chamber is balanced, the cold zone formed by the deviation of the water-cooling elbow 2 to one side is avoided, and the bonding problem of the furnace cover body 1 and the furnace shell 8 is further solved.
The central elevation of the water-cooling elbow 2 is properly improved, the straight section is arranged at the corner of the water-cooling elbow 2, so that splashed metal is not easily pumped into the settling chamber 6 by the primary dust removal fan, but most of steel and slag fall back into a molten pool, the molten steel splashing loss is greatly reduced, the problem of cleaning the settling chamber 6 is solved, the influence on subsequent waste heat recovery is avoided, in actual operation, a small amount of steel and slag can fall into the upper section 3 of the water-cooling elbow, and therefore the water-cooling elbow 2 is designed into a two-section butt joint type, and the targeted replacement, cleaning and maintenance of elbow equipment at two ends are facilitated.
The water-cooled elbow 2 can reduce the bending moment of the elbow on the reverse L-shaped beam of the electric furnace, and can reduce the equipment foundation size of the reverse L-shaped beam and the radial load of the rotary support.
When the electric converter is smelted, smoke generated by the hearth is sucked by the primary dust removal fan, passes through the furnace cover body 1 and the water-cooling elbow 2, is treated by the settling chamber 6, the waste heat recovery system 7 and the subsequent cloth bag dust removal system, and is discharged into the atmosphere.
The utility model discloses set up water-cooled elbow 2 in the upper portion center department of bell body 1 to properly improve water-cooled elbow 2's central elevation, enable most molten steel that splash, during the slag falls back the molten bath, can solve the electric stove converterization back, the molten steel of bringing, bell body 1 that the slag splash leads to and stove outer covering 8 bond the difficult problem of not opening, in the molten steel and the slag that avoid the splash got into deposit room 6, reduce the clearance operation degree of difficulty of deposit room 6, can not exert an influence to the recovery of subsequence waste heat.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a novel electric converter smelting equipment, includes bell body (1) and stove outer covering (8), its characterized in that: the upper portion of stove outer covering (8) install bell body (1), the upper surface intercommunication of bell body (1) has water-cooling elbow (2), water-cooling elbow (2) comprise water-cooling elbow upper segment (3) and water-cooling elbow hypomere (4), water-cooling elbow hypomere (4) set up in bell body (1) surface center department, the junction of water-cooling elbow upper segment (3) and water-cooling elbow hypomere (4) is provided with locating pin (5), water-cooling elbow upper segment (3) and water-cooling elbow hypomere (4) pin joint each other, the output of water-cooling elbow upper segment (3) is provided with deposit room (6), the input of deposit room (6) passes through pipeline and water-cooling elbow upper segment (3) sealed butt joint, the output of deposit room (6) is connected with waste heat recovery system (7).
2. The novel electric converter smelting equipment according to claim 1, characterized in that: the furnace cover body (1) is composed of a plurality of imperforate water cooling pieces (11), the imperforate water cooling pieces (11) are fixedly assembled with each other, and the imperforate water cooling pieces (11) are spliced with each other to form a circular ring.
3. The novel electric converter smelting equipment according to claim 1, characterized in that: the water-cooling elbow (2) is of a bent pipe shape, two ends of the lower section (4) of the water-cooling elbow are respectively communicated with the upper section (3) of the water-cooling elbow and the furnace cover body (1), and the upper section (3) of the water-cooling elbow and the lower section (4) of the water-cooling elbow are mutually butted.
4. The novel electric converter smelting equipment according to claim 1, characterized in that: the upper section (3) of the water-cooling elbow and the lower section (4) of the water-cooling elbow are detachably assembled through a positioning pin (5).
5. The novel electric converter smelting equipment according to claim 1, characterized in that: the center of the upper part of the furnace cover body (1) is upwards protruded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332081.6U CN211713146U (en) | 2020-03-17 | 2020-03-17 | Novel electric converter smelting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332081.6U CN211713146U (en) | 2020-03-17 | 2020-03-17 | Novel electric converter smelting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211713146U true CN211713146U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020332081.6U Active CN211713146U (en) | 2020-03-17 | 2020-03-17 | Novel electric converter smelting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211713146U (en) |
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2020
- 2020-03-17 CN CN202020332081.6U patent/CN211713146U/en active Active
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