CN115341070B - Furnace body translation replacement type electric furnace structure and furnace body replacement method - Google Patents
Furnace body translation replacement type electric furnace structure and furnace body replacement method Download PDFInfo
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- CN115341070B CN115341070B CN202210915102.0A CN202210915102A CN115341070B CN 115341070 B CN115341070 B CN 115341070B CN 202210915102 A CN202210915102 A CN 202210915102A CN 115341070 B CN115341070 B CN 115341070B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000013519 translation Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 15
- 230000008901 benefit Effects 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
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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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- Chemical & Material Sciences (AREA)
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention relates to a furnace body translation replacement type electric furnace structure and a furnace body replacement method, and belongs to the field of metallurgical equipment. Comprising the following steps: the electric furnace comprises an electric furnace body and a U fork tilting table, wherein the U fork tilting table is provided with a horizontal/spatial extension structure at the operation side, the U fork extension structure is connected by two connecting beams, a gap between the two connecting beams forms a slag flowing channel of a furnace door, the two connecting beams form rigid connection of the U forks at two sides, the U fork provides a lifting structure of the furnace body, when the furnace body is replaced, the furnace body and the U fork are unlocked, the furnace body is lifted to exceed the U fork by a certain height, the furnace body and a supporting transverse trolley of a steel ladle common rail are lifted into the lower part of the furnace body, and a lifting cylinder descends to mount the furnace body on the supporting transverse trolley, and the furnace body is lifted out to a designated position for replacing the furnace body. According to the technology, the lifting mode of the main span furnace body of the electric furnace is changed, so that the carrying requirements on a main factory crane and factory building structures can be reduced, and tens of millions of investment and long-term maintenance cost can be reduced for a large-scale electric furnace, so that the technology has great economic benefits.
Description
Technical Field
The invention belongs to the field of metallurgical equipment, and relates to a furnace body translation replacement type electric furnace structure and a furnace body replacement method.
Background
The electric furnace is core production process equipment of a short flow of steel, and the structural design of the electric furnace affects the process arrangement, production maintenance, specification, investment, production efficiency and long-term operation cost of matched plants and other process equipment of the electric furnace.
Conventional electric furnaces are constructed by placing a furnace body on a tilting platform of closed frame construction, which has proven successful in long-term practice. However, the furnace span of the furnace must be provided with a maintenance crane for hoisting the lower furnace body, and the crane capacity of the span affects the corresponding size of a factory building, a foundation and a main beam due to the huge mass of the lower furnace body, and the operation of furnace shell replacement maintenance is performed about once a week, so that huge waste of the crane and factory building investment is caused. If the lifting mode of the main span furnace body of the electric furnace is changed, the carrying requirements on a main factory crane and factory building structures can be reduced, and for a large-scale electric furnace, the investment of tens of millions of yuan and the long-term maintenance cost can be reduced, so that the method has great economic benefits. In addition, some old factories are modified, the non-traditional electric furnace body maintenance means is needed, and the electric furnace structure with the translational change of the furnace body provides an effective method.
Disclosure of Invention
In view of the above, the invention aims to provide a furnace body translation replacement type electric furnace structure and a furnace body replacement method, which can reduce the engineering investment and maintenance cost of a short-flow steel plant on the premise of meeting the requirements of equipment strength and production operation; and can meet the requirements of the transformation of old factories.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the furnace body translation replacement type electric furnace structure comprises an electric furnace body, a U-fork tilting table, a tilting table supporting structure and a tilting table tilting mechanism; the U-fork tilting table is supported by a tilting table supporting structure, one end of the tilting table tilting mechanism is fixedly arranged, the other end of the tilting table tilting mechanism is connected with the U-fork tilting table, and the U-fork tilting table is supported on the tilting table supporting structure under the driving of the tilting table tilting mechanism to realize tilting so as to finish the production operation required by the electric furnace; the electric furnace body comprises a lower furnace body, an upper furnace body and a furnace cover are sequentially arranged on the lower furnace body, an electrode stretches into the lower furnace body through the furnace cover, and a furnace door is arranged on the electric furnace body; the U-fork tilting table is provided with a horizontal and/or spatial extension structure at the operation side, two sides of the extension structure are connected by two connecting beams to form two sides of U-forks, and a U-shaped gap for installing a lower furnace body is formed between the two sides of U-forks; the gap between the two connecting beams forms a slag flow channel of the furnace door.
Optionally, a furnace body locking mechanism is arranged on the U-fork tilting table, and the lower furnace body is fixed on the U-fork tilting table through the furnace body locking mechanism.
Optionally, a furnace body jacking cylinder for jacking the lower furnace body under the condition of releasing the fixation of the lower furnace body and the U-fork tilting table is arranged in the U-fork of the U-fork tilting table.
Optionally, a lower furnace body side support for connecting the U-fork tilting table and a lower furnace body bottom support for supporting the lower furnace body on the U-fork tilting table are arranged on the lower furnace body.
Optionally, the lower furnace bottom support is arranged on a U fork of the U fork tilting table.
Optionally, the furnace body supporting transverse trolley for transferring the electric furnace is also included.
Optionally, the extending structure of the U-fork tilting table comprises a first connecting beam and a second connecting beam, and the first connecting beam is arranged above the furnace door of the lower furnace body so as to strengthen the rigidity of the U-fork connection at two sides of the U-fork tilting table.
The furnace body translation replacement method for the furnace body translation replacement type electric furnace is applied to the furnace body translation replacement type electric furnace structure and comprises the following steps:
after the locking of the electric furnace body and the U-fork tilting table is released, the electric furnace body is lifted to exceed the U-fork by a certain height;
the supporting transverse trolley of the steel ladle common rail is driven into the lower part of the electric furnace body, the electric furnace body is lowered to be arranged in the supporting transverse trolley, the electric furnace body is kept separated from the U-fork tilting table, and the supporting transverse trolley is moved to a designated position to replace the electric furnace body.
Optionally, the lifting and descending of the electric furnace body are realized through a furnace body lifting oil cylinder; the furnace body jacking oil cylinder is arranged in a U fork of the U fork tilting table and/or on the supporting transverse trolley.
The invention has the beneficial effects that:
1) Compared with a tilting platform of a traditional electric furnace closed frame structure of a maintenance crane for hoisting a lower furnace body, the novel electric furnace U-fork tilting platform can horizontally move out to a different bay from a steel-making workshop by using a vehicle with a common rail of a buggy ladle, so that the process layout of the steel-making workshop, a maintenance crane for hoisting the lower furnace body of a factory building and equipment, the furnace bay of the factory building and the maintenance crane must be installed, the lower furnace body with huge mass is transported to a proper bay for maintenance and replacement, and the carrying requirements on a main factory building crane and a factory building structure can be reduced when a new steel factory is built, the investment of tens of millions and long-term maintenance cost can be reduced for a large electric furnace, and huge economic benefits are realized.
2) Compared with the existing domestic and foreign patent technology, the technology is not only suitable for construction of new factories, but also suitable for reconstruction of old factories, and can be used for equipment reconstruction on the basis of original equipment.
3) The speed of changing the electric furnace body is improved, the maintenance time is reduced, and operators are reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a front view of a furnace body translational replacement type electric furnace structure (tilting table horizontally extended) of the present invention;
FIG. 2 is a front view of a furnace body translational replacement type electric furnace structure;
FIG. 3 is a top view of the assembly of a U-fork tilting table and a furnace body of a furnace body translational replacement type electric furnace structure;
FIG. 4 is a top view showing the separation of a U-fork tilting table and a furnace body of a furnace body translational-replacement type electric furnace structure;
FIG. 5 is a front view of a furnace body translational-change type electric furnace structure (tilting table space extension)
FIG. 6 is a schematic view of furnace body removal (tilting table spatial extension) of a furnace body translational-replacement type electric furnace structure;
FIG. 7 is a schematic view of furnace body removal (tilting table spatial extension) of a furnace body translational-replacement type electric furnace structure;
FIG. 8 is a three-dimensional example view of a tilting table of a furnace body translational-change type electric furnace structure
FIG. 9 is a schematic diagram showing an example of a method for changing a translational motion of a furnace body of an electric furnace;
FIG. 10 is a diagram showing an example of a translational furnace body replacement method for an electric furnace;
FIG. 11 is a diagram of an example furnace body translational replacement method for an electric furnace;
fig. 12 is a diagram showing an example of a translational furnace body replacement method of the electric furnace.
Reference numerals:
the device comprises a U-fork tilting table supporting mechanism 1, a U-fork tilting table tilting mechanism 2, a U-fork tilting table 3, a first connecting beam 3a, a second connecting beam 3b, a furnace body locking mechanism 3c, a furnace body jacking cylinder 3d, a lower furnace body 4, a lower furnace body bottom support 4b, a lower furnace body side support 5, an upper furnace body 6, a furnace cover 7, an electric furnace electrode mechanism 8 and a furnace body supporting transverse trolley.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present invention by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the invention; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present invention, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, a front view (U-fork tilting table horizontally extending) of a furnace body translational-change type electric furnace structure includes:
a tilting table supporting mechanism 1, a tilting table tilting mechanism 2, a U-fork tilting table 3, a first connecting beam 3a, a second connecting beam 3b, a furnace body locking mechanism 3c, a furnace body jacking cylinder 3d, a lower furnace body 4, a lower furnace body bottom support 4a, a lower furnace body side support 4b, an upper furnace body 5, a furnace cover 6, an electrode mechanism 7 and a furnace body support traversing carriage 8.
The U-fork tilting table 3 is placed on the tilting table supporting structure 1, the tilting table tilting mechanism 2 is connected with the U-fork tilting table 3 and the foundation, and the U-fork tilting table 3 can be supported on the tilting table supporting structure 1 to tilt back and forth under the operation of the tilting table tilting mechanism 2 so as to complete the production operation required by the electric furnace.
A furnace body locking mechanism 3c is arranged above the U-fork tilting table 3, and the lower furnace body 4 is locked on the U-fork tilting table 3 by the furnace body locking mechanism 3c, so that the connection of the U-fork tilting table 3 during tilting operation of the lower furnace body 4 is ensured to be reliable; a plurality of furnace body jacking oil cylinders 3d can be arranged in the U forks of the U fork tilting table 3, and when in maintenance, the furnace body locking mechanism 3c is loosened, and the furnace body jacking oil cylinders 3d can jack the lower furnace body 4 to a certain height.
The lower furnace body 4 of the electric furnace is connected to the U-fork tilting table 3 through a lower furnace body side support 4b and a furnace body locking mechanism 3c, an upper furnace body 5 and a furnace cover 6 are sequentially arranged above the lower furnace body 4, and electrodes extend into the lower furnace body 4 through the furnace cover 6.
Referring to fig. 2, a front view of a furnace body translation replacement type electric furnace structure is shown, the electric furnace is provided with at least 2 tilting table supporting structures 1, other equipment 3e of the electric furnace is arranged on the electric furnace, and a section formed by a first connecting beam 3a and a second connecting beam 3b resists bending torque generated on the other equipment of the electric furnace (with the weight of tens of tons) and the overall rigidity and strength of a U-fork tilting table 3; the lower furnace body 4 is embedded into a U-shaped notch of the U-fork tilting table 3, two lower furnace body bottom supports 4a are supported on the U-fork of the U-fork tilting table 3, and a furnace body lifting cylinder 3d is arranged on the U-fork of the lower furnace body 4,U fork tilting table 3 and locked by the furnace body locking mechanism 3.
As shown in fig. 3 and 4, a U-fork tilting table 3 of a furnace body translation replacement type electric furnace structure is integrated with a furnace body and is a top view of the furnace body in a separated manner, and two side U-forks of the U-fork tilting table 3 are rigidly connected by a first connecting beam 3a and a second connecting beam 3b, so that the U-fork tilting table has high rigidity; an AA BB slag flow channel is horizontally formed for the furnace door of the lower furnace body 4; fig. 4 shows that the U-shaped notch at the front end of the U-fork tilting table 3 can be horizontally moved out of the lower furnace body 3.
The horizontally extending U-fork tilting table 3 shown in fig. 1-4 translates the structure of the replacement electric furnace without changing the stokehold operation of the electric furnace.
Referring to fig. 5, a furnace body translation replacement type electric furnace structure is shown, a space extension schematic diagram of a tilting table is a modification of the horizontal extension of fig. 1, and the rigidity of the connection of two side U-forks of the U-fork tilting table 3 is enhanced by installing a first connecting beam 3a above a furnace door of a lower furnace body 4. Fig. 6 and 7 are schematic diagrams of the scheme that the furnace body 3 moves out from the front view and the top view, and in the scheme, the U-fork tilting table extends upwards in space, and the two side U-forks of the U-fork tilting table 3 are rigidly connected by a first connecting beam 3a and a second connecting beam 3b, so that the scheme has high rigidity; and a BB-HH slag flow channel is formed for the furnace door of the lower furnace body 4 in the height direction (vertical direction); FIG. 7 shows that the U-shaped notch at the front end of the U-fork tilting table 3 can be horizontally moved out of the lower furnace body 4.
Fig. 8 is a schematic illustration of an embodiment of the U-fork tilting table 3, in which the first connecting beam 3a and the second connecting beam 3b form a rigid connection to the U-fork arms at two sides, and form a bb×hh slag flow channel in the space of the oven door on the lower oven body 4 and the upper oven body 5, the U-fork tilting table 3 is supported on a tilting table supporting mechanism 1 composed of rollers, the tilting table supporting mechanism 1 has various mechanisms, the scheme is adaptable, and besides the oven body locking mechanism 3c and the oven body jacking cylinder 3d, holes, structures or other devices 3e can be added on the U-fork tilting table 3 as required.
The space-extending (vertically-extending) translational-replacement-type electric stove structure of the U-fork tilting table 3 shown in fig. 5-8 has an upright swinging retaining wall in front of the conventional electric stove, and has the advantages that the structure can provide additional safety protection for operators, and the U-fork tilting table 3 has high rigidity.
FIGS. 9-12 illustrate the method and operation of the horizontal movement change operation of the lower furnace body 4 in a horizontally extending U-fork tilting table 3 translational change electric furnace configuration; the vertically extending clevis tilting table 3 is identical.
In fig. 9, when the lower furnace body 4 is replaced, the U-fork tilting table 3 is horizontal and locked, the furnace body supporting and traversing carriage 8 is placed at the replacing station, and the furnace body supporting and traversing carriage 8 can be formed by adding a supporting frame on a reinforced traditional ladle car. The supporting surface of the furnace body supporting transverse trolley 8 is higher than the bottom surface YY of the lower furnace body bottom support 4a
In FIG. 10, the upper furnace 5, the furnace cover 6 and other devices on the lower furnace 4 are removed, the furnace locking mechanism 3c on the U-fork tilting table 3 is opened, the furnace lifting cylinder 3d lifts the lower furnace 4 up ST, the supporting surface of the furnace supporting and traversing carriage 8 is lower than the bottom surface h1 of the lower furnace bottom support 4a, and the furnace supporting and traversing carriage 8 is opened to the designated position of the lower furnace 4.
In FIG. 11, the furnace body jack cylinder 3d on the U-fork tilting table 3 is retracted, the lower furnace body 4 is supported by the furnace body support traversing carriage 8 in a sinking manner, and at this time, the lower furnace body side support 4b is higher than the highest point of the furnace body locking mechanism 3c (when designed, is higher than all parts on the furnace body translation path), and the U-fork tilting table 3 can be perforated or other devices can be added according to the needs.
FIG. 12, furnace support trolley 8 is opened to a designated work position for furnace replacement or other operations. Notably, are: in this embodiment, since the U-fork of the U-fork tilting table 3 is completely opened, if necessary, the upper furnace body 5 (dotted line), the furnace cover 6 (not shown), etc. may also be moved out to a designated position by using the furnace body support trolley 8 for maintenance or replacement, or other operations may be completed.
After the lower furnace body 4 is replaced by other equipment (such as a crane) at the replacement position (designated position), the replacement of the lower furnace body 3 in the production workshop can be completed according to the countercurrent process of the above-mentioned figures 12-11-10-9.
Under the structural condition of the electric furnace, the lifting oil cylinder is arranged on the furnace body supporting and traversing carriage 8, the height of the furnace body supporting and traversing carriage 8 is reduced to ensure that the furnace body supporting and traversing carriage can be opened below the electric furnace, the lifting oil cylinder is arranged to align and prop up the lower furnace body bottom support 4a, the lower furnace body 4 is lifted, and the furnace body 4 is replaced by another modification method of the electric furnace when the furnace body supporting and traversing carriage 8 is transported to a specified position.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a furnace body translation change formula electric stove structure which characterized in that: comprises an electric furnace body, a U-fork tilting table, a tilting table supporting structure and a tilting table tilting mechanism;
the U-fork tilting table is supported by a tilting table supporting structure, one end of the tilting table tilting mechanism is fixedly arranged, the other end of the tilting table tilting mechanism is connected with the U-fork tilting table, and the U-fork tilting table is supported on the tilting table supporting structure under the driving of the tilting table tilting mechanism to realize tilting so as to finish the production operation required by the electric furnace;
the electric furnace body comprises a lower furnace body, an upper furnace body and a furnace cover are sequentially arranged on the lower furnace body, an electrode stretches into the lower furnace body through the furnace cover, and a furnace door is arranged on the electric furnace body;
the U-fork tilting table is provided with a horizontal and/or spatial extension structure at the operation side, two sides of the extension structure are connected by two connecting beams to form two sides of U-forks, a U-shaped gap for installing a lower furnace body is formed between the two sides of U-forks, and the U-shaped gap on the U-fork tilting table is used for horizontally moving out of the lower furnace body; the gap between the two connecting beams forms a slag flow channel of the furnace door.
2. The furnace body translational replacement type electric furnace structure according to claim 1, wherein: the U-fork tilting table is provided with a furnace body locking mechanism, and the lower furnace body is fixed on the U-fork tilting table through the furnace body locking mechanism.
3. The furnace body translational replacement type electric furnace structure according to claim 2, wherein: and a furnace body jacking oil cylinder for jacking the lower furnace body under the condition of releasing the fixation of the lower furnace body and the U-fork tilting table is arranged in the U-fork of the U-fork tilting table.
4. The furnace body translational replacement type electric furnace structure according to claim 1, wherein: the lower furnace body is provided with a lower furnace body side support used for being connected with the U-fork tilting table and a lower furnace body bottom support used for supporting the lower furnace body on the U-fork tilting table.
5. The furnace body translational replacement type electric furnace structure according to claim 4, wherein: the lower furnace body bottom support is arranged on a U fork of the U fork tilting table.
6. The furnace body translational replacement type electric furnace structure according to claim 1, wherein: the furnace body supporting and traversing trolley for transferring the electric furnace is also included.
7. The furnace body translational replacement type electric furnace structure according to claim 1, wherein: the extending structure of the U-fork tilting table comprises a first connecting beam and a second connecting beam, wherein the first connecting beam is arranged above a furnace door arranged on the lower furnace body so as to strengthen the rigidity of U-fork connection at two sides of the U-fork tilting table.
8. A furnace body translation replacement method for a furnace body translation replacement type electric furnace, which is applied to the furnace body translation replacement type electric furnace structure according to any one of claims 1 to 7, and comprises the following steps:
the supporting transverse trolley of the steel ladle common rail is driven into the lower part of the electric furnace body, and the electric furnace body is lifted to cross the U fork for a certain height after the locking of the electric furnace body and the U fork tilting table is released;
the electric furnace body is lowered and is arranged in the supporting transverse trolley, the electric furnace body is kept separated from the U-fork tilting table, and the supporting transverse trolley is moved to a designated position to replace the electric furnace body.
9. The furnace body translation changing type electric furnace body changing method according to claim 8, wherein the lifting and the lowering of the electric furnace body are realized through a furnace body lifting oil cylinder; the furnace body jacking oil cylinder is arranged in a U fork of the U fork tilting table and/or on the supporting transverse trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210915102.0A CN115341070B (en) | 2022-08-01 | 2022-08-01 | Furnace body translation replacement type electric furnace structure and furnace body replacement method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210915102.0A CN115341070B (en) | 2022-08-01 | 2022-08-01 | Furnace body translation replacement type electric furnace structure and furnace body replacement method |
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| CN115341070A CN115341070A (en) | 2022-11-15 |
| CN115341070B true CN115341070B (en) | 2024-01-23 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4455660A (en) * | 1981-09-02 | 1984-06-19 | Bbc Brown, Boveri & Company, Ltd. | Inclined arrangement of the support surfaces of a furnace body and furnace lid for electric arc furnaces |
| CN1564928A (en) * | 2001-10-06 | 2005-01-12 | Sms迪马格股份公司 | Replacement method and device for assembling and disassembling modules of an electric arc furnace |
| CN102534114A (en) * | 2012-02-27 | 2012-07-04 | 遵义嘉行铁合金技术有限责任公司 | Tilting rotary refining electric furnace |
| CN210070549U (en) * | 2019-06-04 | 2020-02-14 | 无锡东雄重型电炉有限公司 | Novel tilting mechanism for continuous smelting of electric arc furnace |
| CN112378269A (en) * | 2020-11-13 | 2021-02-19 | 圣力(清远)钢制品有限公司 | Electric furnace system |
-
2022
- 2022-08-01 CN CN202210915102.0A patent/CN115341070B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4455660A (en) * | 1981-09-02 | 1984-06-19 | Bbc Brown, Boveri & Company, Ltd. | Inclined arrangement of the support surfaces of a furnace body and furnace lid for electric arc furnaces |
| CN1564928A (en) * | 2001-10-06 | 2005-01-12 | Sms迪马格股份公司 | Replacement method and device for assembling and disassembling modules of an electric arc furnace |
| CN102534114A (en) * | 2012-02-27 | 2012-07-04 | 遵义嘉行铁合金技术有限责任公司 | Tilting rotary refining electric furnace |
| CN210070549U (en) * | 2019-06-04 | 2020-02-14 | 无锡东雄重型电炉有限公司 | Novel tilting mechanism for continuous smelting of electric arc furnace |
| CN112378269A (en) * | 2020-11-13 | 2021-02-19 | 圣力(清远)钢制品有限公司 | Electric furnace system |
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| CN115341070A (en) | 2022-11-15 |
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