CN209639495U - Continuous charging electric furnace arrangement for producing steel device - Google Patents
Continuous charging electric furnace arrangement for producing steel device Download PDFInfo
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- CN209639495U CN209639495U CN201920222517.3U CN201920222517U CN209639495U CN 209639495 U CN209639495 U CN 209639495U CN 201920222517 U CN201920222517 U CN 201920222517U CN 209639495 U CN209639495 U CN 209639495U
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Abstract
The utility model discloses a kind of continuous charging electric furnace arrangement for producing steel devices, including lower furnace body, bell, for driving the furnace cover lifting mechanism of furnace cover lifting, for the electrode lifting mechanism of driving electrodes lifting and for exporting inner flue gas of the stove and steel scrap being delivered into the charging dedusting duct of lower furnace body, bell and electrode only make elevating movement, it is also independently from the fixed frame of the lower furnace body, the furnace cover lifting mechanism and electrode lifting mechanism are installed on fixed frame, the bell connect with the furnace cover lifting mechanism and covers on above lower furnace body, the bell and/or lower furnace body sidewall opening, and coupled by opening with charging dedusting duct.The utility model produces covered characteristic, furnace body and bell separate design, and the two self contained function using continuous charging, simplifies the device structure and production operation mode of entire electric arc furnaces.The movement of bell and electrode is simplified, and reduces electric furnace ontology operating mechanism, hydraulic-driven component etc., is reduced plant maintenance point, is improved reliability.
Description
Technical field
The utility model belongs to metallurgical technology field, in particular to a kind of continuous charging electric furnace arrangement for producing steel device.
Background technique
Need to complete grate, rotation when traditional electric furnace body equipment (containing typical CONSTEEL electric furnace at present) production operation
The operations such as lid, rotation electrode are integrated in the completion of electric furnace ontology.Its typical structure are as follows: bell and lower furnace body are commonly mounted on and incline
On moving platform；Electrode lifting mechanism and rotating mechanism, furnace cover lifting mechanism and rotating mechanism are installed in and fascinate on platform.Due to
Electric furnace must retain the function of uncapping, and be limited by electric cooker structure, and electrode must be promoted to highest order completely by uncapping when operating, and mention
Kindling lid is to highest order, then revolves wide-angle unscrewing bell and realize the operations such as charging, maintenance, and which increase electric furnace electrode transverse arms, water
Distortion in the length and work of cold cable etc. increases the resistance damage (increasing power consumption) in high current system.In addition, this electric furnace is raw
When being tapped during producing, flowing slag and fascinate, bell, electrode can also be followed and be fascinated, and especially furnace body, which fascinates, increases electrode folding
Disconnected probability.
On the other hand, typical continuous charging electric arc furnace body generally uses the frame structure type of fascinating of roller supporting, furnace
Bell, the lower furnace body etc. of son, which are mounted on, to fascinate on frame, and partial electrode elevating mechanism is also mounted at the frame that fascinates, and stove is in production process
Middle bell needs to complete go up and down, rotate, fascinating three acts；And electrode lifting mechanism is also required to complete go up and down, rotate, fascinate
At least the first two movement so that stove ontology operational motion is complex, mechanism action is various, and plant maintenance point increases, increase
The maintenance of equipment is added.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of continuous charging steel-making electricity
Arc furnace apparatus simplifies the structurally and operationally movement of electric furnace body equipment.
In order to achieve the above objects and other related objects, technical solutions of the utility model are as follows:
A kind of continuous charging electric furnace arrangement for producing steel device, including lower furnace body, bell, the furnace cover lifting for driving furnace cover lifting
Mechanism, for driving electrodes lifting electrode lifting mechanism and for exporting inner flue gas of the stove and raw scrap material being delivered into lower furnace
The charging dedusting duct of body, the bell and electrode only make elevating movement, are also independently from the fixed frame of the lower furnace body,
The furnace cover lifting mechanism and electrode lifting mechanism are installed on fixed frame, and the bell and the furnace cover lifting mechanism connect
It connects and covers on above lower furnace body, the bell and/or lower furnace body sidewall opening, and coupled by opening with charging dedusting duct.
The utility model produces covered characteristic, furnace body and bell separate design using continuous charging, and the two is independent
Movement, simplifies the device structure and production operation mode of entire electric arc furnaces.There is no bell unscrewings, movement of fascinating, and only retain
The lifting action of bell；There is no unthreading action and movements of fascinating for electrode lifting mechanism, only retain lifting action, reduce electrode
The probability to fracture.The movement of bell and electrode is simplified, and is reduced electric furnace ontology operating mechanism, hydraulic-driven component etc., is subtracted
Lack plant maintenance point, improves reliability.
Optionally, the continuous charging electric furnace arrangement for producing steel device further includes the platform that fascinates, platform and the fixed frame of fascinating
Frame is mutually indepedent, and the lower furnace body, which is mounted on, to fascinate on platform.
Optionally, the continuous charging electric furnace arrangement for producing steel device further includes locomotive, and the stage+module that fascinates is in movement
Che Shang.
Optionally, thermometric sampling gun is installed, the gun body of the thermometric sampling gun passes through the furnace on the fixed frame
It covers and protrudes into lower furnace body.
Optionally, multifunctional oxygen lance is installed, the gun body of the multifunctional oxygen lance passes through the furnace on the fixed frame
It covers and protrudes into lower furnace body.
Optionally, the charging dedusting duct is horizontally or diagonally arranged.
Optionally, there is annular gap, the continuous charging electric furnace arrangement for producing steel device is also between the lower furnace body and bell
Including for going out the dedusting circuit that flue gas is handled to the ring slit flow.
Optionally, the dedusting circuit is mounted on fixed frame.
Optionally, the lower furnace body upper end forms to contract and closes up.
Optionally, the bell outer is convexly curved, the lower furnace body upper end be straight mouth, close up or be provided with
The arc sealing plate of the matched evagination in bell outer.
The beneficial effects of the utility model are:
1, covered characteristic is produced using continuous charging, realizes the letter of electric furnace body equipment structurally and operationally acted
Change.The bell of electric furnace there is no unscrew, movement of fascinating, only retain lifting action；Electrode lifting mechanism there is no unthreading action and
It fascinates movement, only retains lifting action.The advantages of above-mentioned movement reduction is brought has:
A) simplify bell and electrode lifting mechanism movement, reduce electric furnace ontology operating mechanism, hydraulic-driven component etc., subtract
Lack plant maintenance point, improves reliability.
B) rise fall of electrodes column is shortened at a distance from center of electric furnace, reduces conductive cross arm and water-cooled cable length, it is excellent
Electric furnace high current system is changed, has reduced line impedance consumption, reduce power consumption.
C) electrode only elevating movement, no longer fascinates, and reduces electrode fracture probability (reducing consumption of electrode).
D) reduce device structure size, such as substantially reduce the size for the platform that fascinates.
2, convenient for the arrangement of process equipment, operation, maintenance, thermometric sampler, placement top are set such as on fixed frame
Blow multifunctional oxygen lance etc..Be conducive to electric furnace production automation, intelligentized realization.
3, since furnace body and furnace cover lifting mechanism, electrode lifting mechanism are no longer mounted on same supporting mechanism, i.e. furnace body
With other organizational separations, it can advantageously realize that the offline lifting of furnace body is safeguarded and to produce safer.
Detailed description of the invention
Fig. 1 is the main diagram of the utility model continuous charging electric furnace arrangement for producing steel device basic structure；
Fig. 2 is the utility model continuous charging electric furnace arrangement for producing steel device basic structure sectional view；
Angle b signal is tilted to fire door when Fig. 3 is the utility model continuous charging electric furnace arrangement for producing steel device flow slag operation
Figure；
Fig. 4 is that the utility model continuous charging electric furnace arrangement for producing steel device tapping steel turns forward an angle a schematic diagram；
Fig. 5 is the utility model continuous charging electric furnace arrangement for producing steel device tapping steel wide-angle tilt amax forward, bell
Promote the schematic diagram of certain altitude；
Fig. 6 is showing for the disengagings such as the utility model continuous charging electric furnace arrangement for producing steel device lower furnace body and bell, fixed frame
It is intended to；
Fig. 7 be the utility model continuous charging electric furnace arrangement for producing steel device bell, lower furnace body, charging dedusting duct it is away from one another
Schematic diagram；
Fig. 8 is the bell and lower furnace body gap location arc fit structure of the utility model continuous charging electric furnace arrangement for producing steel device
Schematic diagram；
Fig. 9 is that bell and lower furnace body gap location cooperate schematic diagram in Fig. 8；
Figure 10 is that the continuous charging electric furnace arrangement for producing steel device tapping steel in Fig. 8 turns forward an angle a schematic diagram.
Piece mark explanation
1- locomotive；2- fascinates platform；3- lower furnace body；3a- water-cooled plate；4- bell；The outer 4a-；5- charging dedusting duct；
6- fixed frame；7- electrode lifting mechanism；8- furnace cover lifting mechanism；9- multifunctional oxygen lance；10- dedusting circuit；11- flue gas；12-
Steel scrap；13- ladle；14- arc sealing plate.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that the term of such as "upper", "lower", "left", "right", " centre " and " one " cited in this specification, also
Only being illustrated convenient for narration, rather than to limit the enforceable range of the utility model, relativeness is altered or modified,
Under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Embodiment
As depicted in figs. 1 and 2, the utility model provides a kind of continuous charging electric furnace arrangement for producing steel device comprising lower furnace body
3, bell 4, furnace cover lifting mechanism 8, electrode lifting mechanism 7 and charging dedusting duct 5, wherein furnace cover lifting mechanism 8 is for driving
Bell 4 is gone up and down, and for driving electrodes lifting, (7 mark on the electrode electrode lifting mechanism 7 in Fig. 2, electrode and electrode lifting mechanism
7) generic reference numeral is, wherein electrode and bell only make elevating movement, and charging dedusting duct 5 is used to export inner flue gas of the stove 11 and will
Steel scrap 12 (i.e. raw scrap material) delivers into lower furnace body 3；It is it is critical that continuous charging electric furnace arrangement for producing steel device is also to wrap
Fixed frame 6 (or support construction) is included, the fixed frame 6 and lower furnace body 3 are mutually indepedent, the furnace cover lifting mechanism 8 and electricity
Pole elevating mechanism 7 is mounted on fixed frame 6, and bell 4 is connect with furnace cover lifting mechanism 8, which covers on lower furnace body 3
Side, and have gap between lower furnace body 3；3 side wall of lower furnace body or 4 sidewall opening of bell or 4 side of lower furnace body 3 and bell
Wall is open, and opening exports flue gas 11 and be sent into steel scrap 12 for coupling with charging dedusting duct 5.Wherein, the charging
Dedusting duct 5 is horizontally or diagonally arranged.
The utility model produces covered characteristic using continuous charging, and there is no the unscrewings of bell 4, movement of fascinating, and only protects
Stay the lifting action of bell 4；There is no unthreading action and movements of fascinating for electrode lifting mechanism 7, only retain lifting action, reduce
The probability of electrode fracture.The movement of furnace body and bell 4 separates, and electrode, bell 4 and its driving mechanism will not be with lower furnace bodies 3
It fascinates, simplifies the device structure and production operation mode of entire electric arc furnaces.The movement of bell 4 and electrode is simplified, and is subtracted
Electric furnace ontology operating mechanism, hydraulic-driven component etc. are lacked, have reduced plant maintenance point, improve reliability.
In one embodiment, the continuous charging electric furnace arrangement for producing steel device further includes the platform 2 that fascinates, the lower furnace body
3 are mounted on the operation of fascinating fascinated on platform 2, and then realize lower furnace body 3；Wherein, the platform 2 that fascinates is mutually only with fixed frame 6
It is vertical, change conventional mounting structure, conventional mounting structure is that furnace cover lifting mechanism 8, electrode lifting mechanism 7, electrode and lower furnace body 3 are equal
It is mounted on and fascinates on platform 2, fascinate together with lower furnace body 3, furnace cover lifting mechanism is supported by fixed frame 6 in the utility model
8, electrode lifting mechanism 7, bell 4 and the respective single movement of lower furnace body 3, are independent of each other, and simplify operation mode.
In one embodiment, continuous charging electric furnace arrangement for producing steel device further includes locomotive 1, the peace of platform 2 of fascinating
On locomotive 1.Enable lower furnace body 3 quickly to output steel-making station, realizes the quick integral replacing of lower furnace body 3.
Back-up roller wheel and the executing agency that fascinates (such as oil cylinder) are set on locomotive 1, and the platform 2 that fascinates is by locomotive 1
On back-up roller wheel or coercive mechanism oil cylinder support with fascinate.Specifically, lower furnace body 3 is supported in back-up roller wheel, coercive mechanism
Oil cylinder one end and locomotive 1 are hinged, and the other end and the platform 2 that fascinates are hinged, and the platform 2 that fascinates is driven to act by coercive mechanism oil cylinder,
To drive lower furnace body 3 to fascinate.
In one embodiment, thermometric sampling gun (not shown), thermometric sampling are installed on the fixed frame 6
The gun body of rifle passes through the bell 4 and protrudes into lower furnace body 3.
In one embodiment, multifunctional oxygen lance 9, the rifle of the multifunctional oxygen lance 9 are installed on the fixed frame 6
Body passes through the bell 4 and protrudes into lower furnace body 3, realizes various feature operations.
Wherein, 4 window corresponding to thermometric sampling gun and/or multifunctional oxygen lance 9 is offered on bell, will surveyed at work
Warm sampling gun, multifunctional oxygen lance 9 protrude into lower furnace body 3 through corresponding window, when not working, by thermometric sampling gun, multi-functional
Oxygen rifle 9 is taken out, close or sealing.
In one embodiment, the lower furnace body 3 has annular gap with 4 periphery of bell, to accommodate lower furnace body 3
Turndown operation, interferes when preventing from fascinating with bell 4.
In one embodiment, continuous charging electric furnace arrangement for producing steel device further includes for the ring slit flow smoke
The dedusting circuit that gas is handled.The flue gas that the annular gap is emerged is taken away by dedusting circuit, and dedusting circuit is mounted on fixed frame
On frame 6.
Specifically, dedusting circuit may include smoke collecting cover and suction channel etc., smoke collecting cover covers on annular gap
The upper side of periphery is sent out after collecting flue gas by suction channel.
Wherein, when Fig. 3 is shown as fire door flow slag operation in electric furnace production process, bell 4, fascinate lower furnace body 3 and dedusting ring
Relationship between road.During normal production, bell 4 can be without being promoted for electric furnace.
When Fig. 4 is shown as electric furnace production process tapping steel, lower furnace body turns forward an angle a, pours out molten steel to ladle
13 schematic diagrames, bell 4, the relationship fascinated between lower furnace body 3 and dedusting circuit 10 are as shown in the figure.When electric furnace is normally tapped, bell 4
It can be without being promoted.
When Fig. 5 is shown as the operation emptied to electric furnace molten bath, bell 4 fascinates between lower furnace body 3 and dedusting circuit
Relationship.This electric furnace such as stays 50% or more steel using staying steel to operate greatly, (the general this behaviour before carrying out furnace body replacement, steel-making kind
Make comparisons few), it needs to empty to stay steel or pour out and more stays steel, then the bigger inclination angle of the lower furnace body 3 needed, bell 4 needs at this time
Promote certain altitude.
If Fig. 6, Fig. 7 show that the utility model and the electric furnace body equipment of traditional continuous charging electric furnace are distinguished, this is practical new
4 elevating mechanism of bell, electrode lifting mechanism 7 and the fixed frame 6 of type are integrally formed；Lower furnace body 3, fascinate platform 2 and furnace body shifting
Motor-car 1 is integrally formed, and the two can be completely disengaged.Conventional arc furnace rise fall of electrodes, furnace body, bell 4 are integrated in the platform 2 that fascinates
On tactic pattern and corresponding operation mode thoroughly break, make full use of existing continuous charging electric arc furnaces can be covered
The characteristics of production, simplifies the device structure and production operation mould of entire electric arc furnaces using furnace body and bell separate design mode
Formula.It is to carry out lifting replacement maintenance to furnace body, output state to what lower furnace body 3 feed etc. in as shown.
Wherein, guiding can be set on pull rod in furnace cover lifting mechanism 8, such as pull rod-chain-oil cylinder lifting form,
It is only example in figure, other forms can be made into if necessary, as Multi-cylinder (3~4) directly draws high formula, the jacking of oil cylinder single-point
Formula, swing rod draw high formula etc..
7 typical structure of electrode lifting mechanism is lifting column-guide wheel group-plunger cylinder, and it is vertical that plunger cylinder is placed in lifting
In column hollow cavity.Other known structures of this field can be used in furnace cover lifting mechanism 8 and electrode lifting mechanism 7.
In one embodiment, 3 upper end of lower furnace body forms to contract and closes up.On the one hand the stream of flue gas is reduced
Out, thermal loss is on the other hand reduced.Specifically, closing-in structure can be designed as the water-cooled plate 3a of 3 upper end of lower furnace body.Such as figure
Shown in 8.
In one embodiment, 4 outer of bell is convexly curved, when lower furnace body 3 fascinates and operates, lower furnace body
During 3 rotate relative to bell 4,4 arc outer 4a of bell keeps the gap between 3 upper end of lower furnace body and bell 4
It is constant or will not change too many, reduce the outflow of flue gas in lower furnace body 3.Realize that lower furnace body 3 inclines when shaking operation, lower furnace body 3, furnace
The gap that lid 4 couples position obtains good control, and electric furnace flue gas is preferably sealed.
Wherein, 3 upper end of lower furnace body can be straight mouth shown in Fig. 2, or can be inside closing in shown in Fig. 8, or under
3 upper end of furnace body is additionally provided with the arc sealing plate 14 with the matched evagination of bell outer 4a；It is pair as shown in Figure 8 and Figure 9
The gap that lower furnace body 3, bell 4 couple position is sealed the structure after structure optimization, passes through the inclined water-cooled plate 3a of lower furnace body 3
Lesser gap is kept when (part) and arc sealing plate 14, the arc sealing plate 14 and the relative motion of arc outer, is such as schemed
Shown in 10.
Locomotive 1 is supported on the platform that there is certain altitude on ground or basis in Fig. 1, locomotive 1 in Fig. 8, Figure 10
It for console mode structure, is supported directly upon on ground or lower basal orbit, as the optional scheme of locomotive 1.
The structure of the utility model is suitable for ac arc furnace and direct current electric arc furnace.
The beneficial effects of the utility model are:
1, covered characteristic is produced using continuous charging, realizes the letter of electric furnace body equipment structurally and operationally acted
Change.The bell of electric furnace there is no unscrew, movement of fascinating, only retain lifting action；Electrode lifting mechanism there is no unthreading action and
It fascinates movement, only retains lifting action.The advantages of above-mentioned movement reduction is brought has:
A) simplify bell and electrode lifting mechanism movement, reduce electric furnace ontology operating mechanism, hydraulic-driven component etc., subtract
Lack plant maintenance point, improves reliability.
B) rise fall of electrodes column is shortened at a distance from center of electric furnace, reduces conductive cross arm and water-cooled cable length, it is excellent
Electric furnace high current system is changed, has reduced line impedance consumption, reduce power consumption.
C) electrode only elevating movement, no longer fascinates, and reduces electrode fracture probability (reducing consumption of electrode).
D) reduce device structure size, such as substantially reduce the size for the platform that fascinates.
2, convenient for the arrangement of process equipment, operation, maintenance, thermometric sampler, placement top are set such as on fixed frame
Blow multifunctional oxygen lance etc..Be conducive to electric furnace production automation, intelligentized realization.
3, since furnace body and furnace cover lifting mechanism, electrode lifting mechanism are no longer mounted on same supporting mechanism, i.e. furnace body
With other organizational separations, the offline lifting maintenance of furnace body can be advantageously realized, and to produce safer.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (10)
1. a kind of continuous charging electric furnace arrangement for producing steel device, it is characterised in that: including lower furnace body, bell, for driving furnace cover lifting
Furnace cover lifting mechanism, for driving electrodes lifting electrode lifting mechanism and for export inner flue gas of the stove and by raw scrap material it is defeated
It is fed into the charging dedusting duct of lower furnace body, the bell and electrode only make elevating movement, be also independently from the lower furnace body
Fixed frame, the furnace cover lifting mechanism and electrode lifting mechanism be installed on fixed frame, the bell and the furnace
Lid elevating mechanism is connected and is covered on above lower furnace body, the bell and/or lower furnace body sidewall opening, and is removed by being open with charging
The connection of dirt duct.
2. continuous charging electric furnace arrangement for producing steel device according to claim 1, it is characterised in that: the continuous charging steel-making electricity
Arc furnace apparatus further includes the platform that fascinates, and the platform that fascinates is mutually indepedent with fixed frame, the lower furnace body be mounted on fascinate it is flat
On platform.
3. continuous charging electric furnace arrangement for producing steel device according to claim 2, it is characterised in that: the continuous charging steel-making electricity
Arc furnace apparatus further includes locomotive, and the stage+module that fascinates is on locomotive.
4. continuous charging electric furnace arrangement for producing steel device according to claim 1, it is characterised in that: installed on the fixed frame
There is thermometric sampling gun, the gun body of the thermometric sampling gun passes through the bell and protrudes into lower furnace body.
5. continuous charging electric furnace arrangement for producing steel device according to claim 1, it is characterised in that: installed on the fixed frame
There is multifunctional oxygen lance, the gun body of the multifunctional oxygen lance passes through the bell and protrudes into lower furnace body.
6. continuous charging electric furnace arrangement for producing steel device according to claim 1, it is characterised in that: the charging dedusting duct water
Flat or inclination arrangement.
7. continuous charging electric furnace arrangement for producing steel device according to claim 1, it is characterised in that: the lower furnace body and bell it
Between have annular gap, the continuous charging electric furnace arrangement for producing steel device further include for the ring slit flow go out flue gas carry out
The dedusting circuit of processing.
8. continuous charging electric furnace arrangement for producing steel device according to claim 7, it is characterised in that: the dedusting circuit is mounted on
On fixed frame.
9. continuous charging electric furnace arrangement for producing steel device according to any one of claims 1 to 8, it is characterised in that: the lower furnace
Body upper end forms to contract and closes up.
10. continuous charging electric furnace arrangement for producing steel device according to any one of claims 1 to 8, it is characterised in that: the furnace
Lid outer is convexly curved, and the lower furnace body upper end is straight mouth, closes up or be provided with matched outer with the bell outer
Convex arc sealing plate.
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| CN201920222517.3U CN209639495U (en) | 2019-02-22 | 2019-02-22 | Continuous charging electric furnace arrangement for producing steel device |
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| CN201920222517.3U CN209639495U (en) | 2019-02-22 | 2019-02-22 | Continuous charging electric furnace arrangement for producing steel device |
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ID=68494065
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612264A (en) * | 2019-02-22 | 2019-04-12 | 中冶赛迪工程技术股份有限公司 | Continuous charging electric furnace arrangement for producing steel device |
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2019
- 2019-02-22 CN CN201920222517.3U patent/CN209639495U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612264A (en) * | 2019-02-22 | 2019-04-12 | 中冶赛迪工程技术股份有限公司 | Continuous charging electric furnace arrangement for producing steel device |
| CN109612264B (en) * | 2019-02-22 | 2024-02-06 | 中冶赛迪工程技术股份有限公司 | Continuous charging steelmaking electric arc furnace device |
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