CN211255980U - High-power steelmaking electric arc furnace - Google Patents
High-power steelmaking electric arc furnace Download PDFInfo
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- CN211255980U CN211255980U CN201922330905.6U CN201922330905U CN211255980U CN 211255980 U CN211255980 U CN 211255980U CN 201922330905 U CN201922330905 U CN 201922330905U CN 211255980 U CN211255980 U CN 211255980U
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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
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Abstract
The utility model relates to the technical field of steelmaking electric arc furnaces, in particular to a high-power steelmaking electric arc furnace, which comprises a base platform, wherein an arc seat plate is fixedly welded at the middle part of the top wall of the base platform, a fixed arc toothed plate is installed on the inner wall of the top wall of the arc seat plate in an embedded manner, a movable arc toothed plate is connected with the top wall of the fixed arc toothed plate in an engaged manner, an electric arc furnace body is welded on the top wall of the movable arc toothed plate, a furnace cover is hinged at the top part of the electric arc furnace body, an electrode is installed on the inner wall of the furnace cover in an embedded manner, an electrode holder is fixedly installed at the top end of the electrode, a steel tapping hole is fixedly arranged on the outer wall at the right side of the electric arc furnace body, clamping plates are connected to the left lower sides of the outer wall, the unloading is convenient, the stability is relatively strong, and the device has certain use value and popularization value.
Description
Technical Field
The utility model relates to a steelmaking electric arc furnace technical field specifically is a high power steelmaking electric arc furnace.
Background
The electric arc furnace body is in a teapot shape and is a steel-making reaction vessel, and the furnace body consists of a furnace body and a furnace cover (furnace top); the furnace body shell is made of steel plate, its interior is furnace lining, the furnace wall is built by magnesium brick or chrome-magnesium brick, the furnace bottom is made into basin form, on the clay brick and magnesium brick a magnesite clinker layer is set, and the acid furnace lining is built by quartz brick and quartz sand, so that it not only has the basic requirements for strength, high-temp. resistance and heat insulation, but also can bear the chemical erosion of furnace slag, thermal shock of furnace temp. repeated and sudden change and collision of furnace material block and operating machine.
The high-power electric arc furnace is an electric arc furnace which is higher than a common power electric arc furnace in transformer capacity and lower than an ultrahigh-power electric arc furnace in unit furnace capacity, and is generally considered to be called as a high-power electric arc furnace when the power of the electric arc furnace of 20t is between 600 and 749kVA/t, the power of the electric arc furnace of 30t is between 600 and 699kVA/t, the power of the electric arc furnace of 50t is between 500 and 599kVA/t, the power of the electric arc furnace of 70t is between 428 and 569kVA/t, and the power of the electric arc furnace of 100t is between 400 and 499 kVA/t.
The prior discharge structure design of the steelmaking electric arc furnace has some unreasonable parts, and when the materials are discharged, the stability of the electric arc furnace is relatively poor under the action of the discharge structure. Accordingly, there is a need for a high power steelmaking electric arc furnace that addresses the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high power steelmaking electric arc furnace to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the high-power steelmaking electric arc furnace comprises a base platform, wherein an arc seat plate is fixedly welded in the middle of the top wall of the base platform, a fixed arc toothed plate is installed on the inner wall of the top wall of the arc seat plate in an embedded mode, the top wall of the fixed arc toothed plate is connected with a movable arc toothed plate in an engaged mode, an electric arc furnace body is welded on the top wall of the movable arc toothed plate, a furnace cover is hinged to the top of the electric arc furnace body, an electrode is installed on the inner wall of the furnace cover in an embedded mode, an electrode holder is fixedly installed at the top end of the electrode, a steel tapping hole is fixedly formed in the outer wall of the right side of the electric arc furnace body, clamping plates are connected to the left lower sides of the front side and the rear side of the electric arc furnace body through bolts, a fixed arm is welded to the side, the electric arc furnace body is characterized in that the front end and the rear end of the top wall of the base platform are respectively connected with a rack through bolts, the outer wall bottom ends of the left side and the right side of the rack are respectively connected with a foot plate through bolts, the rack is provided with a bearing close to the inner wall of the top end of one side of the middle part of the electric arc furnace body in an embedded mode, the middle part of the top wall of the left side of the base platform is connected with a cylinder base through bolts, the top of the.
Preferably, the arc furnace body is connected to the fixed arc toothed plate by moving the arc toothed plate in an adaptive meshing manner.
Preferably, the racks are symmetrically and fixedly installed on the front side and the rear side of the top wall of the bottom table.
Preferably, one end of the rotating shaft, which is far away from the middle of the electric arc furnace body, is rotatably connected to the bearing.
Preferably, the hydraulic cylinder is fixedly installed in the middle of the top wall of the left side of the base platform through a cylinder seat, and the type of the hydraulic cylinder is JYC.
Preferably, the top end of the piston rod is hinged to the connecting hole of the fixing arm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, the electric arc furnace body through setting is connected in fixed arc pinion rack by removing arc pinion rack adaptation meshing, and frame symmetry fixed mounting both sides around the base roof to this plays better whole supporting effect to the electric arc furnace body through the frame, and the stability when rotating the slope is better, and simultaneously, the structure of frame is comparatively simple, has further strengthened the stability of here structure through the sole of frame both sides outer wall bottom.
2. The utility model discloses in, the pneumatic cylinder through setting up is by jar seat fixed mounting in the middle of the left side roof of base frame to this slope power structure of electric arc furnace body is constituteed by pneumatic cylinder cooperation splint, fixed arm, and the fixed mounting of splint, fixed arm is comparatively reasonable, and the symmetry design through both sides has increased the front and back stability of this structure around, and functional practicality is stronger relatively.
3. The utility model discloses in, overall structure through setting up is comparatively scientific and reasonable, through structural improvement and innovation, has effectively solved some weak points that exist among the prior art to holistic principle is comparatively simple, and the function easily realizes, has certain use value and spreading value.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the portion A in FIG. 1;
fig. 3 is an enlarged view of the portion B in fig. 1.
In the figure: 1-bottom table, 2-arc seat plate, 3-fixed arc toothed plate, 4-movable arc toothed plate, 5-electric arc furnace body, 6-furnace cover, 7-electrode, 8-electrode holder, 9-steel tapping hole, 10-clamping plate, 11-fixed arm, 12-connecting hole, 13-rotating shaft, 14-frame, 15-foot plate, 16-bearing, 17-cylinder seat, 18-hydraulic cylinder and 19-piston rod.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a high-power steelmaking electric arc furnace comprises a base platform 1, an arc seat plate 2 is fixedly welded in the middle of the top wall of the base platform 1, a fixed arc toothed plate 3 is installed on the inner wall of the top wall of the arc seat plate 2 in an embedded mode, a movable arc toothed plate 4 is connected with the top wall of the fixed arc toothed plate 3 in an engaged mode, an electric arc furnace body 5 is welded on the top wall of the movable arc toothed plate 4, a furnace cover 6 is hinged to the top of the electric arc furnace body 5, an electrode 7 is installed on the inner wall of the furnace cover 6 in an embedded mode, an electrode holder 8 is fixedly installed at the top end of the electrode 7, a steel tapping hole 9 is fixedly arranged on the outer wall of the right side of the electric arc furnace body 5, clamping plates 10 are respectively connected to the left lower side of the outer wall of the front side and the rear side of the electric arc furnace body 5 through bolts, the front end and the rear end of the top wall of the base platform 1 are both connected with a rack 14 through bolts, the bottom ends of the outer walls at the left side and the right side of the rack 14 are both connected with foot plates 15 through bolts, the arc furnace body 5 is connected with the fixed arc toothed plate 3 through the movable arc toothed plate 4 in a matching and meshing manner, the rack 14 is symmetrically and fixedly arranged at the front side and the rear side of the top wall of the base platform 1, so that the arc furnace body 5 is better supported integrally through the rack 14, the stability during rotation and inclination is better, meanwhile, the structure of the rack 14 is simpler, the stability of the structure is further enhanced through the foot plates 15 at the bottom ends of the outer walls at the two sides of the rack 14, a bearing 16 is embedded on the inner wall of the top end of one side of the rack 14 close to the middle part of the arc furnace body 5, a cylinder seat 17 is connected with the middle part of the top wall at, with this by pneumatic cylinder 18 cooperation splint 10, the slope power structure of electric arc furnace body 5 is constituteed to fixed arm 11, and splint 10, fixed arm 11's fixed mounting is comparatively reasonable, the symmetry design through both sides has increased the front and back stability of this structure around, functional practicality is stronger relatively, pneumatic cylinder 18's inner wall top telescopic connection has piston rod 19, comparatively scientific and reasonable through overall structure setting, through structural improvement and innovation, some weak points that exist among the prior art have effectively been solved, and holistic principle is comparatively simple, the function is easily realized, certain use value and spreading value have.
The utility model discloses the theory of operation: when in use, the steel-making treatment is carried out through the electric arc furnace body 5, and after the steel-making treatment is finished, the top piston end 19 of the control hydraulic cylinder 18 extends upwards, the fixed arm 11 rotates around the inner wall of the connecting hole 12 under the synchronous action of the piston end 19, meanwhile, the middle parts of the outer walls of the front side and the rear side of the electric arc furnace body 5 are rotatably connected with a bearing 16 arranged at the top end of the outer wall of the frame 14 through a rotating shaft 13, further, the arc furnace body 5 is tilted and lifted rightwards around the bearing 16 through the rotating shaft 13, the movable arc toothed plate 4 on the bottom wall of the arc furnace body 5 is in fit and meshed connection with the fixed arc toothed plate 3, the top piston end 19 of the hydraulic cylinder 18 rises to the topmost end to discharge the processed molten steel from the steel tapping hole 9 to a designated container, then the electric arc furnace body 5 is reset according to the same principle, and finally the corresponding work of the high-power steel-making electric arc furnace is completed through the structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high power steelmaking electric arc furnace, includes sill (1), its characterized in that: the arc seat plate (2) is fixedly welded at the middle part of the top wall of the base platform (1), the fixed arc toothed plate (3) is installed on the inner wall of the top wall of the arc seat plate (2) in an embedded mode, the top wall of the fixed arc toothed plate (3) is meshed with the movable arc toothed plate (4), the arc furnace body (5) is welded on the top wall of the movable arc toothed plate (4), the furnace cover (6) is hinged to the top of the arc furnace body (5), the electrode (7) is installed on the inner wall of the furnace cover (6) in an embedded mode, the electrode holder (8) is fixedly installed at the top end of the electrode (7), the steel tapping hole (9) is fixedly formed in the outer wall of the right side of the arc furnace body (5), the clamping plates (10) are connected to the lower left sides of the outer walls of the front side and the rear side, connecting hole (12) have been fixed to the positive outer wall left end of fixed arm (11), the equal fixed mounting in middle part of electric arc furnace body (5) front side and rear side outer wall has pivot (13), both ends all have frame (14) through bolted connection around the roof of sill (1), there is sole (15) frame (14) left and right sides outer wall bottom all through bolted connection, embedded bearing (16) of installing of one side top inner wall that frame (14) are close to electric arc furnace body (5) middle part, there is cylinder block (17) left side roof middle part through bolted connection, the top fixed mounting of cylinder block (17) has pneumatic cylinder (18), the inner wall top telescopic connection of pneumatic cylinder (18) has piston rod (19).
2. The high power steelmaking electric arc furnace of claim 1, wherein: the electric arc furnace body (5) is connected to the fixed arc toothed plate (3) through the movable arc toothed plate (4) in an adaptive meshing mode.
3. The high power steelmaking electric arc furnace of claim 1, wherein: the machine frame (14) is symmetrically and fixedly arranged on the front side and the rear side of the top wall of the bottom platform (1).
4. The high power steelmaking electric arc furnace of claim 1, wherein: and one end of the rotating shaft (13) far away from the middle of the electric arc furnace body (5) is rotatably connected with the bearing (16).
5. The high power steelmaking electric arc furnace of claim 1, wherein: the hydraulic cylinder (18) is fixedly arranged in the middle of the top wall of the left side of the base platform (1) through a cylinder seat (17), and the type of the hydraulic cylinder (18) is JYC.
6. The high power steelmaking electric arc furnace of claim 1, wherein: the top end of the piston rod (19) is hinged to the connecting hole (12) of the fixing arm (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330905.6U CN211255980U (en) | 2019-12-23 | 2019-12-23 | High-power steelmaking electric arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330905.6U CN211255980U (en) | 2019-12-23 | 2019-12-23 | High-power steelmaking electric arc furnace |
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| Publication Number | Publication Date |
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| CN211255980U true CN211255980U (en) | 2020-08-14 |
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| CN201922330905.6U Active CN211255980U (en) | 2019-12-23 | 2019-12-23 | High-power steelmaking electric arc furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115627370A (en) * | 2022-10-28 | 2023-01-20 | 娄底市大金新材料有限责任公司 | Method for producing high-purity metal chromium by using electric arc furnace |
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2019
- 2019-12-23 CN CN201922330905.6U patent/CN211255980U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115627370A (en) * | 2022-10-28 | 2023-01-20 | 娄底市大金新材料有限责任公司 | Method for producing high-purity metal chromium by using electric arc furnace |
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