CN105935002A - Device and method for adjusting an electrode for a metallurgical furnace - Google Patents
Device and method for adjusting an electrode for a metallurgical furnace Download PDFInfo
- Publication number
- CN105935002A CN105935002A CN201480073978.9A CN201480073978A CN105935002A CN 105935002 A CN105935002 A CN 105935002A CN 201480073978 A CN201480073978 A CN 201480073978A CN 105935002 A CN105935002 A CN 105935002A
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- holding ring
- electrode
- equipment
- holding
- ring
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/10—Mountings, supports, terminals or arrangements for feeding or guiding electrodes
- H05B7/101—Mountings, supports or terminals at head of electrode, i.e. at the end remote from the arc
- H05B7/102—Mountings, supports or terminals at head of electrode, i.e. at the end remote from the arc specially adapted for consumable electrodes
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- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Furnace Details (AREA)
- Discharge Heating (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention relates to a device (1) and a method for adjusting an electrode (2) of a metallurgical furnace. The device (1) concerned comprises an upper, first clamping ring (4) and a lower, second clamping ring (6), wherein the clamping rings (4, 6) are connected to one another by lifting cylinders (8) and, by actuating the lifting cylinders (8), can be adjusted in their spacing from one another by a compensating stroke (a). For holding the electrode (2), the clamping rings (4, 6) can be clamped around it and, for moving the electrode (2) with respect to the clamping rings (4, 6), they can be released from it. At least one of the two clamping rings (4, 6) is permanently currentless, while the other of the two clamping rings (6, 4) has at least one contact jaw (10), by means of which a constant current transfer to the electrode (2) is ensured.
Description
Technical field
The present invention relates to the equipment of a kind of electrode for regulating metallurgical furnace and for this tune
The correlation method of joint.
Background technology
In electric arc furnace, electrode stands continued depletion at its electrode tip, and the most necessary
Run duration at electric arc furnace is adjusted.To this end, from prior art, such as DE 43 42 511
Known regulation equipment in A1 or EP 1 969 902 B1.This regulation equipment has at least one folder
Holding ring, it can clamp for holding around electrode.By hydraulic cylinder can make holding ring relative to
Bell moves.Handle when the held environmental protection of electrode and make clamping hoop bell by means of hydraulic cylinder
Direction when moving, electrode can be regulated in stove.
According to tradition, supporting arm is used to carry out keeping, guiding and make dislocation of electrode in electric arc furnace.
Thus, list of references EP 1 484 566 A1, this document shows according to claim 1
The equipment for the electrode of metallurgical furnace is adjusted as described in the preamble.Here, under Jiang
The holding ring in portion is integrated in electrode support arm, wherein, the holding ring on top by hydraulic cylinder with
The holding ring of bottom is connected.By handling hydraulic cylinder, the regulation with electrode is the most adjustable
Whole holding ring distance each other.Not only by bottom holding ring and also by the holding ring on top
Ensure to electrode power supply.Here, when equipment, displacement another holding ring corresponding is relative to electricity
Extremely temporarily do not clamp with electrode, when exactly opening, alternately connect between two holding rings
Logical power supply.Toggle power supply cost in control technology in-between the electrodes the highest.In addition exist
Shortcoming be, in order to apply enough chucking powers, in order to generally also comprise to electrodes transfer electric current
The holding ring of the contact pincers being made of copper easily weares and teares.
Summary of the invention
Correspondingly, it is an object of the present invention to, it is achieved setting of a kind of electrode for regulating metallurgical furnace
Standby and method, wherein, with that simplify and stable means while improving safety in operation
Ensure that preferably to electrode power supply.
This target is by having the equipment of the feature of claim 1 and having claim 12
The method of feature realizes.Limit the present invention in the dependent claims is advantageously improved scheme.
The important understanding of the present invention is, gives only by two holding rings constantly
Electrode power supply, for this purpose, holding ring has for this contact designed pincers.On the contrary, two
Corresponding another in individual holding ring is implemented into and is continued no current and be designed at this
Enough retentivitys or chucking power are applied on electrode.Thus, only by such clamping
Ring realizes powering constantly on electrode, i.e. as explained above, for this mesh ground, and should
Holding ring is equipped with at least one contact pincers.In the present invention not between two holding rings
Toggle electric current transmission.
Being advantageously improved in scheme in the present invention, at least one in two holding rings equipped with
At least one presses pressing tongs, this at least one press pressing tongs by least one spring assembly court constantly
The direction pretension of electrode, thus at least one in these two holding rings is configured to self-locking.Press
Round about, that is pressing tongs can overcome spring assembly by least one holding ring cylinder
Pretension motion.Aptly, holding ring cylinder is hydraulically handled.Can in the thought of the present invention
Understand above-mentioned self-locking as follows, i.e. when not handling holding ring cylinder, filled by spring
The pretension put makes to be pressed against electrode by pressing tongs.Thus, by sufficiently high retentivity being executed by pressing tongs
Being added on electrode, this retentivity is coordinated from heavy phase with electrode and correspondingly prevents electrode relative
In the slip of holding ring, exactly electrode relative to the relative movement of holding ring.At holding ring
When losing efficacy with cylinder, such as when breaking down in hydraulic system, in the thought of self-locking the most such as
What all ensures, by pressing tongs owing to clamping electricity as explained above by the pretension of spring assembly
Pole.If electrode should be regulated, then holding ring cylinder is made to overcome the pretension of spring assembly to move, from
And make electrode at least can relative to holding ring and its by pressing tongs relative movement.Alternatively at this also
It is possible that so make holding ring cylinder overcome the pretension of spring assembly to move to degree so that
Unclamping at electrode by pressing tongs and lift, this achieves the regulation of electrode equally.
In the above-mentioned improvement project of the present invention, there is the target having by the holding ring of pressing tongs only
Only, in radial directions sufficiently high retentivity is applied on electrode.But, this clamping
Ring can not realize the function of electric current transmission, and is therefore not to be made up of copper or similar metals.
The higher safety in operation of equipment 1 is played favourable effect by this, and reduces easy to wear
Property.
It is arranged to being advantageously improved in scheme of the present invention, continues currentless holding ring structure
Become self-locking and there is operation principle explained above.
Can be set to alternatively, two holding rings are all configured to self-locking.This can in hydraulic system
The safety of equipment is improve when can lose efficacy.
Equipment according to the present invention can be used for different stove types, and at this such as with supporting arm
Or it is connected with the transverse arm being arranged at table.At this advantageously, have contact pincers and
For being integrated in supporting arm or in transverse arm to the holding ring of electrodes transfer electric current.
For the special case on stove advantageously, first holding ring on top is to hold
Continuous currentless, wherein, the second holding ring of bottom has for delivering current to electrode
Contact pincers, and be integrated into aptly in supporting arm or in transverse arm.
Thus, by the regulation integration of equipments according to the present invention to known electrode support arm,
Having obtained compact and joint space-efficient electrode support arm solution, it provides automatically
The probability of regulation electrode, wherein, in the regulation equipment according to the present invention, two holding rings
It is connected with each other by lift cylinders and can its distance adjustable relative to each other.Here, regulation equipment
Can be directly arranged on the support on electrode tip holder or at supporting arm.Thus, can not have
Have in the case of manually getting involved and change the position that electrode is held and is thus kept.Thus obtain
Advantage be to install the regulation according to the present invention with limited cost additional for traditional electrode support arm
Equipment.
The electrode used in electric arc furnace can be made up of electrode component adjacent to each other.At electrode
Connecting portion between part is the sensitive length sections of electrode at this.In this one side, this
The bright scheme that is advantageously improved is, for manipulating the control device of lift cylinders and two holding rings
Program and control technology are set to, for being used for making the first holding ring relative to the second clamping
For the lift cylinders that ring moves, balance lift can be adjusted changeably and automatically, thus reaching
After balance lift, the most only in the way of the length sections of the sensitivity of adjacent electrode, carry out the
One holding ring or the second holding ring are around the clamping again of electrode, but in no case at this
It is clamped within length sections.
Accompanying drawing explanation
Accompanying drawing below according to simplified schematic describes embodiments of the invention in detail.Wherein:
Fig. 1 shows the side view of the simplification of the equipment according to the present invention,
Fig. 2 shows the longitudinal section along the line A-A in Fig. 1 of equipment,
Fig. 2 a shows the line A-A's along Fig. 1 of the equipment according to alternative embodiment
Longitudinal section,
Fig. 3 shows the side-looking of the simplification of the equipment according to the present invention according to another embodiment
Figure,
Fig. 4 show with according to the present invention regulation equipment holding ring interact, for
The simplification figure of the subregion of the electrode of electric arc furnace,
Fig. 5 shows the side view of the simplification of the holding ring of the equipment according to the present invention,
Fig. 6,7 respectively for connect two electrode components assembling process during and after show
Go out the side view of the subregion of electrode used in the present invention, and
Fig. 8,9 respectively during making the assembling process that two electrode components are connected to each other and
Show the side-looking of the subregion of the electrode of another embodiment used in the present invention afterwards
Figure.
Detailed description of the invention
Show the regulation equipment 1 according to the present invention with side view the most simplifiedly, utilize
This regulation equipment 1 can be used in the electrode 2 of (unshowned) electric arc furnace and adjust relative to stove,
Or it is adjusted in stove.Equipment 1 includes first holding ring 4 and the second of bottom on top
Holding ring 6.Holding ring 4,6 is connected with each other by lift cylinders 8, and by handling this lifting
Cylinder 8 adjustable holding ring 4,6 distance each other, i.e. adjust balance lift a.Lift cylinders 8
It is configured to hydraulic cylinder and is correspondingly connected in (unshowned) hydraulic system.
Balance lift a illustrates with full-size in FIG.Correspondingly, balance lift a, really
Say that the distance between two holding rings 4,6 can be configured as less than figure 1 illustrates with cutting
Value.Below in terms of also will be explained in detail the distance change between two holding rings 4,6
Details.
Second holding ring 6 of bottom is connected with supporting arm 9, and is preferably integral with supporting
In arm 9.According to the loss of electrode, supporting arm 9 can be positioned in a vertical direction lower (
In Fig. 1 downwards), carry out the most in a hydrodynamic manner.Supporting arm 9 be known component and
It is not explained.
Second holding ring 6 of bottom is used for delivering current to electrode 2.To this end, the second folder
Hold ring 6 and there are at least one contact contacted with electrode 2 pincers 10.Power to the second holding ring 6
And power by supply line 12 reality being connected on the second holding ring 6 thus to electrode 2
Existing.
First holding ring 4 on top is configured to lasting no current and for keeping or holding electrode
2.To this end, the first holding ring 4 presses pressing tongs 14 equipped with at least one, see according to Fig. 2's
Sectional view.By pressing tongs 14 by the spring assembly 16 of preferably form in spring lamination radially
To the direction pretension of electrode 2, thus thus enough retentivitys or chucking power are applied to electrode
On 2.Thus, the retentivity for electrode 2 is produced by spring lamination 16.Additionally,
One holding ring 4 has at least one holding ring cylinder 18, and it is preferably implemented as hydraulic cylinder.Folder
Holding the function that ring cylinder 18 has at this is to make to overcome the pre-of spring lamination 16 by pressing tongs 14
Tight motion, exactly opens, reclines on the electrodes 2 to be reduced or eliminated the most suitably
Chucking power, in order to make electrode 2 move relative to the first holding ring 4.
Holding ring cylinder 18 can be handled as follows at this, i.e. or make electrode 2 energy relatively
In moving by pressing tongs 14, or make to lift from electrode 2 completely by pressing tongs 14 and at this no longer
Contact with electrode 2.
According to the diagram of Fig. 2, the first holding ring 4 has three holding ring cylinders 18 altogether.Make
For its alternative also it is possible that such as arrange four holding ring cylinders 18 for holding ring, as
As illustrating the most in fig. 2 a.Unlike this, the quantity of holding ring cylinder 18 also may be used
Less than three or more than four.
It is to be noted that the sectional view according to Fig. 2 and Fig. 2 a is that simplify very much and special
It should be understood to be not drawn on.
Second holding ring 6 of bottom equally can equipped with for holding electrode by pressing tongs together with extremely
Few one as explained above with by pressing tongs coefficient holding ring cylinder.In order to simplify
Purpose, in the illustration of FIG. 1, not shown the second holding ring 6 for bottom by pressing tongs and
Holding ring cylinder.
Equipment 1 includes controlling device 20, by means of controllable two clampings of this control device 20
Ring 4,6 and lift cylinders 8.
Fig. 3 shows another embodiment of equipment 1.Compared to Figure 1, identical at this spy
Levy and be provided with identical reference.In the embodiment of fig. 3, the second holding ring 6 of bottom
Being integrated in transverse arm 22, transverse arm 22 is by hydraulic operated regulation cylinder 24 in a hanging manner
It is arranged on table 26.Correspondingly, the second holding ring 6 and the most whole equipment 1 all may be used
Moved in a vertical direction by the manipulation of regulation cylinder 24, i.e. towards (unshowned) stove
Lid direction or move on the contrary.
Show the first holding ring 4 and the second holding ring 6 the most simplifiedly
By pressing tongs 14.For purposes of simplicity, the most not shown holding ring cylinder 18 and
The contact pincers 10 arranged for the second holding ring 6 of bottom.
It will be appreciated that alternatively in the embodiment that figure 3 illustrates, it is also possible to setting
Frame mode implement electrode section, wherein, regulation cylinder 24 be supported on downwards suitable frame or
On fellow.
When electric arc furnace runs, the scaling loss of compensating electrode 2 in the following manner, i.e. to bell
Direction regulation electrode.According in the embodiment of Fig. 1, this can erecting by supporting arm 9
Realize to declining, and according in the embodiment of Fig. 3, this can be by regulation cylinder 24
Roll realization away from, wherein, electrode 2 at this at least through first holding ring 4 on top and optional
Ground is also kept by the second holding ring 6 of bottom, as long as the second holding ring 6 is provided with by pressing tongs 14.
Manipulation by the vertical motion of supporting arm 9 or by regulation cylinder 24 electrode 2 is carried out this
It is known for planting adjustment, and the most no longer explains.
In terms of the regulation of electrode 2, the present invention is operated as follows:
When regulation process starts it is assumed that two holding rings 4,6 the most only have the least
Distance, wherein, balance lift a is substantially zero.Holding ring cylinder 18 is unloaded the most completely
Carry, thus, make to be pressed against electrode by pressing tongs 14 by the complete pretension of corresponding spring lamination 16
2, to keep this electrode 2.Now, the holding ring cylinder of first holding ring 4 on top is handled
18, thus first holding ring 4 on top by pressing tongs 14 or just with reduce clamping
Defeat and lift by electrode 2 or at electrode 2.And then, handle hydraulic cylinder 8 and make it
Roll away from, so that first holding ring 4 on top is spaced apart with the second holding ring 6 of bottom, i.e.
So degree ground is spaced apart, such as until reaching maximum balance lift a (see Fig. 1).With
After, again make the holding ring cylinder 18 of the first holding ring 4 unload, thus, make the first clamping
Ring 4 close and clamp electrode 2 by pressing tongs 14.Now, the second holding ring of bottom is handled
The holding ring of 6 cylinder 18 so that electrode 2 can be relative relative to the second holding ring 6 of bottom
Motion.Then, unloading lift cylinders 8 again, thus, first holding ring 4 and the electrode on top
2 downwardly together, to the direction of the second holding ring 6 of bottom and thus move to the direction of stove.
If balance lift a is substantially eliminated and first holding ring 4 on top is again with adjacent
Mode is positioned on the second holding ring 6 of bottom, makes the holding ring of the second holding ring 6 of bottom
Unload with cylinder 18, and the most again close it by pressing tongs 10.Subsequently, the of Guan Bi top
One holding ring 4 and the second holding ring 6 of bottom, and thus terminate regulation process.
It is to be noted that during the regulation of electrode 2 explained above, by the second clamping
Electrode 2 continued power given by the contact pincers 10 of ring 6.
Explained above the first folder having by pressing tongs 14 and at least top of holding ring cylinder 18
The design holding ring 4 is understood to the implication of self-locking, and it the most also referred to as " lost efficacy and protect
Protect design ".It means that ensure when hydraulic system fails or fault, due to spring lamination
The pretension of 16, electrode 2 is kept by pressing tongs 14 automatically by (one or more) and not
Can slide.As already explained, the second holding ring 6 of bottom " lost efficacy also dependent on this
Design protection " structure.
Electrode 2 can be made up of multiple Different electrodes components, and these electrode components are held accordingly at it
It is connected with each other on side.May be problematic, adjacent to each other when connecting these electrode components
Electrode component between connecting portion at formed axile displacement.
Show electrode 2 the most simplifiedly, wherein, adjacent to each other
Electrode component between connecting portion at there is axile displacement.If in holding ring 4,6
The region of one connecting portion between electrode component utilizes power F radial clamping electrode 2,
For being kept or clamping, this connecting portion stands disadvantageous shear-loaded.This especially exists
Long or heavy electrode may result in directly or has the infringement of time lag, or even draw
Play the fracture of electrode.Possible lead rupture causes the operation interference with corresponding cost with unfavorable
Outage.
In order to avoid the disadvantages mentioned above of the unallowed shear-loaded of electrode 2, according to the present invention's
Equipment 1 has at least one sensor device at the first holding ring 4 and/or the second holding ring 6
28.The purpose that this sensor device 28 has is, detection is arranged at electrode 2, use
In the labelling of the sensitive length sections of electrode 2, thus holding ring or its do not have by pressing tongs 14
Electrode 2 is clamped in the length sections of this sensitivity.When being adjusted process, at this by control
Device 20 processed correspondingly manipulates according to the signal of sensor device 28 or regulates lift cylinders 8.Under
Face description below details in terms of sensor device 28 and the labelling at electrode 2:
At least can arrange sensor device 28 at first holding ring 4 on top, this is Fig. 5's
Side view illustrates with details the most simplifiedly.In the upper edge of the first holding ring 4, pass through
Suitably support can install three sensor devices 28.Fig. 5 is expanded view, wherein, and three biographies
Sensor arrangement 28 is mountable to each other at the first holding ring 4 of annular with uniform distance.Sensing
Device device 28 is so arranged at the first holding ring 4 so that it is co-located in virtual water
In plane E.The diagram observing Fig. 1 and Fig. 3 in combination is to be noted that this plane E is horizontal
In or be perpendicular to the longitudinal axis of electrode 2.Also can install at the first holding ring 4 and be more or less than
Three sensor devices 28, the most preferably arrange with uniform distance each other.
Alternative as the diagram according to Fig. 5, sensor device 28 is also disposed at holding ring 4
Inner peripheral surface region in.
In Fig. 1 and Fig. 3, distinguish the most simplifiedly and the most symbolically with rectangular shape
Show the sensor device 28 at first holding ring 4 on top.Sensor device 28 with
Control device 20 to be connected, utilize the hydraulic package controlling the most controllable equipment of device 20 1.
The purpose of sensor device 28 is, thus detection is arranged on the labelling at electrode 2.At Fig. 6
To the diagram of Fig. 9, show this labelling 30 simplifiedly and be explained below.
Electrode 2 is made up of multiple electrode components in a longitudinal direction thereof, and these electrode components are corresponding at it
Side on be connected with each other.Figure 6 illustrates these electrode components at it by means of the portion of spinning
32 be connected with each other before two of which 2a, 2b.Electrode component 2a, 2b are in its adjacent side
Place is respectively equipped with labelling 30, and this labelling stretches transverse to longitudinal side of electrode 2 and such as can be by
Luminous colour band or fellow's composition.Figure 7 illustrates electrode component 2a, 2b and be in it
In the state engaged.Two labellings 30 limit and illustrate sensitivity in the longitudinal direction of electrode 2
Length sections 2l, the axial length of this length sections by two electrodes component 2a, 2b it
Between the connecting portion spun limit.
Show the alternative design of labelling 30 at electrode 2 the most simplifiedly
Scheme.Fig. 8 with Fig. 9 shows two electricity adjacent to each other in the way of identical with Fig. 6 and 7
Pole component 2a, 2b diagram before and after connecting on its side relatively put.?
According in the embodiment of Fig. 8 and Fig. 9, the labelling 30 at electrode component 2a, 2b is respectively
Consisting of cannelure 30r, cannelure 30r stretches transverse to the longitudinal axis of electrode 2.Such as,
The position of this cannelure 30r can be detected by the sensor device of the form in optical sensor,
This optical sensor sends ray towards the direction of electrode 2.In other words, at this at least on top
At least one optical sensor sending ray towards the direction of electrode 2 is installed at first holding ring 4.
Here, optical sensor can make ray point to the marginal area of electrode 2, thus as cannelure 30r
When being positioned on the height of optical sensor, ray passes cannelure 30r.For this situation, this
Time detect, the holding ring 4 on top be positioned at sensitive length sections 2l of electrode 2 region it
In.Otherwise, say, that when cannelure 30r is not to be positioned at optical sensor adjacently
During place, interrupting ray by the wall of electrode 2, therefore, this again means that, optical sensor with
And thus the first holding ring 4 is positioned at the noncritical section of electrode 2.In described cannelure 30r
The design of labelling 30 of form have and can manufacture and relative to pollution cost-effective
Insensitive advantage.
For the labelling 30 at electrode 2 it will be appreciated that the setting of form in luminous colour band
Meter scheme (see Fig. 6, Fig. 7) also can with the design of the form of groove ringwise (see Fig. 8,
Fig. 9) combination.Addedly and/or alternatively, labelling 30 also can have magnetic behavior, this magnetic
The sensor device 28 that property performance can be mated accordingly detects.
When the second holding ring 6 of bottom is also equipped with by pressing tongs 14, the second clamping
Ring 6 can be provided with sensor device 28 equally, and this sensor device is by signalling technique and control dress
Put 20 to be connected, and utilize the detectable labelling 30 at electrode 2 of this sensor device,
And thus sensitive length sections 2l of detection electrode 2.In Fig. 1 and Fig. 3, this is with letter
The mode changed is illustrated by the rectangle represented with reference " 28 " on the second holding ring 6.
Thereby guarantee that, be not the sensitive length at electrode according to the second holding ring 6 of this embodiment
Holding electrode 2 in the region of section 2l.At least one sensor device 28 is at the second holding ring 6
The mounting means at place can be identical with at the first holding ring 4 mode realize, thus in order to keep away
Exempt from repeated reference explained above.
Control device 20 to illustrate by rectangle rectangle and illustrate the most simplifiedly in the accompanying drawings.
Controlling device 20 and the corresponding sensor device 28 that can be read by control device 20 or be manipulated
Or the individual data connection between hydraulic test 8,18,24 illustrates with dotted line 21 in the accompanying drawings.
This data cube computation 21 such as can be by cable section or without part of path realization.
In order to prevent the damage of electrode 2, it will be understood that, it is to avoid electrode 2 is at its connecting portion
Place or corresponding sensitive length sections 2l are clamped by holding ring 4,6 or keeps.Below
Explain how this realizes when regulating electrode 2.
Make the first holding ring 4 after electrode 2 unclamps or reduce the first holding ring 4
After the pressing tongs 14 chucking power relative to electrode 2, make first by rolling away from of lift cylinders 8
Holding ring 4 increases relative to the distance of the second holding ring 6.Now, at this by means of first
Holding ring 4 by pressing tongs 14 again holding electrode 2 before, by assessment sensor device 28
Signal check, whether the first holding ring 4 may be positioned at the sensitive length sections of electrode 2
In the region of 2l.Electrode 2 is clamped again by the first holding ring 4 only for this situation
Or keep, i.e. the first holding ring 4 is quick at electrode 2 of no-fix after lift cylinders 8 is rolled away from
In the region of the length sections 21 of sense.
Detected by the signal evaluation of sensor device 28 afterwards if rolled away from lift cylinders 8,
First holding ring 4 is positioned in the region of sensitive length sections 2l of electrode 2, then make lift cylinders
8 (if possible) or also continue to roll away from, or sail into the most on the contrary.Nothing
Opinion how, and such degree ground is handled lift cylinders 8 or makes lift cylinders 8 roll away from so that the first clamping
Ring 4 is not positioned in the region of sensitive length sections 2l of electrode 2.The most just by by pressing tongs
Electrode 2 is clamped in the adjustment of 14 again.
In order to avoid holding electrode 2 in sensitive length sections 2l, explained above being used for is grasped
The operation principle of vertical first holding ring 4 is also applied for the behaviour of the second holding ring 6 in an identical manner
Vertical, if the second holding ring 6 be furnished with for holding electrode 2 by pressing tongs.
As explained above, by least one sensor device 28 by means of being arranged on
Labelling 30 at the length sections of sensitivity, sensitive length sections 2l of 30r detection electrode 2,
To prevent in this region by holding ring holding electrode 2.Sensitive length sections 2l of electrode
Or the section of the side of corresponding electrode component is also referred to as joint area, this joint area is thus
Effectively it is protected from the clamping of held ring, and prevents the possible damage thereby resulted in.
The present invention is suitable for using the electrode of the multi-form in electric arc furnace or electric reduction furnace.
Exemplary electrode type is prebake (" pre-baked ") electrode (such as graphite or carbon electrode)
Or self-baking (Suo Debie erg) electrode.
Additionally, realize so-called " time cunning ", wherein, 2 one section one of electrode by the present invention
Section ground is drawn out from electric arc furnace.Here, also by by means of controlling device 20 according to sensing
The signal handling lift cylinders 8 of device device 28 ensures, electrode 2 is not in the length sections of its sensitivity
Held ring 4,6 clamping in the region of 2l.
Reference numerals list
1 equipment
2 electrodes
The length sections that 2l is sensitive
First holding ring on 4 tops
Second holding ring of 6 bottoms
8 lift cylinders
9 supporting arms
10 contact pincers
12 electric supply installations
14 press pressing tongs
16 spring assemblies/spring lamination
18 holding ring cylinders
20 control device
21 data connection
22 transverse arms
24 regulation cylinders
26 tables
28 sensor devices
30 (electrode) labelling
30r cannelure
32 spin portion
A balances lift
Claims (16)
1. the equipment (1) being used for regulating the electrode (2) of metallurgical furnace, this equipment includes:
First holding ring (4) on top and second holding ring (6) of bottom, wherein, clamping
Ring (4,6) is connected with each other by lift cylinders (8), and can be by handling described lift cylinders
(8) to balance lift (a) adjustment holding ring distance each other, wherein, in order to keep described
Electrode (2), described holding ring (4,6) can clamp around described electrode, and in order to make
Described electrode (2) is relative to described holding ring (4,6) relative motion, described holding ring energy
Unclamp from described electrode, and
For manipulating described lift cylinders (8) and the control device (20) of described holding ring (4,6),
It is characterized in that,
At least one (4,6) in two holding rings continue no current, wherein, said two
Corresponding another (6,4) in holding ring have at least one contact pincers (10), by
Ensure to be delivered on described electrode (2) current constant in described contact pincers.
Equipment the most according to claim 1 (1), it is characterised in that said two is pressed from both sides
Hold at least one in ring (4,6) and have by pressing tongs (14), pressing tongs should be pressed by least one
Individual spring assembly (16) is constantly relative to described electrode (2) pretension, thus said two
At least one self-locking ground structure in holding ring (4,6), wherein, described by pressing tongs (14)
The pretension of described spring assembly (16) can be overcome to transport by least one holding ring cylinder (18)
Dynamic, it is preferable that described can be by handling described holding ring cylinder (18) by pressing tongs (14)
Unclamp from described electrode (2).
Equipment the most according to claim 2 (1), it is characterised in that described spring fills
Putting (16) is spring lamination.
4. according to the device (1) described in Claims 2 or 3, it is characterised in that be provided with
Two holding ring cylinders (18), preferably four holding rings cylinder (18), utilize described clamping
Ring cylinder (18) can make to overcome the pretension of described spring assembly (16) to move by pressing tongs (14).
5. according to the equipment (1) according to any one of claim 2 to 4, it is characterised in that
Continue currentless holding ring (4,6) self-locking ground structure and thus have described by pressing tongs (14)
With described holding ring cylinder (18).
Equipment the most according to any one of claim 1 to 5 (1), it is characterised in that
There is described holding ring (4,6) and supporting arm (9) or the transverse arm of described contact pincers (10)
(22) connecting, wherein, described supporting arm (9) or transverse arm (22) can be relative to stove along perpendicular
To movement, it is preferable that described holding ring (4,6) is integrated into described supporting arm (9) or institute
State in transverse arm (22).
Equipment the most according to any one of claim 1 to 6 (1), it is characterised in that
First holding ring (4) on described top continues no current, wherein, the second folder of described bottom
Hold ring (6) and there is contact pincers (10).
Equipment the most according to any one of claim 1 to 7 (1), it is characterised in that
Described control device (20) is set in program technic, for be used for making described holding ring (4,
6), for the described lift cylinders (8) being moved relative to each other, can adjust changeably and automatically
Balance lift (a), thus after reaching to balance lift (a), only with adjacent described electricity
The mode of the sensitive length sections (2l) of pole (2) makes described first holding ring (4) or the
Two holding rings (6) clamp again around described electrode (2), and not in the length of described sensitivity
Again clamp within degree section (2l).
Equipment the most according to claim 8 (1), it is characterised in that the most described
One holding ring (4) or described second holding ring (6) have at least one sensor device (28),
Utilize described sensor device can detect be arranged on described electrode (2) place, for described electricity
The labelling (30) of the sensitive length sections (2l) of pole (2), wherein, by described control
Device (20) can regulate described lift cylinders (8) according to the signal of described sensor device (20)
To realize balance stroke (a).
Equipment the most according to claim 9 (1), it is characterised in that described in order to make
First holding ring (4) or the second holding ring (6) shifting balance lift (a), be only capable of with
By handling described lift cylinders by means of the manipulation of described control device (20) under the conditions of Xia
(8), i.e. described lift cylinders (8) has predetermined stroke reserves, and described stroke reserves are big
Axial length in the sensitive length sections (2l) of described electrode (2).
11. according to the equipment (1) described in claim 9 or 10, it is characterised in that described
Sensor device (28) is suitable for the detection labelling (30) at described electrode (2) place,
That described marker configurations becomes optics and/or magnetic, and/or there is the form of cannelure (30r).
12. 1 kinds use basis for the method regulating the electrode (2) of metallurgical furnace, described method
Equipment (1) according to any one of claim 1 to 11, it is characterised in that only by
Electric current is flowed to described electrode (2) by one (4,6) in said two holding ring, and
And make the persistently no current of another (6,4) in said two holding ring.
13. methods according to claim 12, it is characterised in that said two holding ring
At least one in (4,6) has by pressing tongs (14), should press pressing tongs by means of at least one
Spring assembly (16) constantly relative to described electrode (2) pretension with keep described electrode (2),
Wherein, described described bullet is overcome by pressing tongs (14) by least one holding ring cylinder (18)
The pretension motion of spring device (16), to realize described electrode (2) relative to described holding ring
The relative motion of (4,6), it is preferable that described by pressing tongs (14) due to handle described clamping
Ring cylinder (18) and lift from described electrode.
14. according to the method described in claim 12 or 13, it is characterised in that for described electricity
The sensitive length sections (2l) of pole (2) is provided with labelling (30), and described labelling is by least
It is arranged on the sensor device (28) at described first holding ring (4) or the second holding ring (6) place
Detect, wherein, according to lift cylinders (8) described in the Signal Regulation of described sensor device (28)
So that described holding ring (4,6) is moved relative to.
15. methods according to claim 14, it is characterised in that according to described electrode (2)
Sensitive length sections (2l) regulate described lift cylinders (8) so that described first holding ring
(4) mobile relative to described second holding ring (6), thus reaching balance lift (a)
Afterwards, only in the way of the sensitive length sections (2l) of adjacent described electrode (2), institute is made
State the first holding ring (4) or described second holding ring (4) around described electrode (2) again
Clamping, and again do not clamp within the length sections of described sensitivity.
16. methods according to claim 15, it is characterised in that in order to make described first
Holding ring (4) is mobile relative to described second holding ring (6), grasps the most under the following conditions
Vertical described lift cylinders (8), i.e. described lift cylinders has predetermined stroke reserves (a), institute
State the stroke reserves axial length more than the sensitive length sections (2l) of described electrode (2).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013224552.1 | 2013-11-29 | ||
| DE102013224552.1A DE102013224552A1 (en) | 2013-11-29 | 2013-11-29 | Apparatus and method for repositioning an electrode for a metallurgical furnace |
| PCT/EP2014/075944 WO2015079024A1 (en) | 2013-11-29 | 2014-11-28 | Device and method for adjusting an electrode for a metallurgical furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105935002A true CN105935002A (en) | 2016-09-07 |
| CN105935002B CN105935002B (en) | 2019-10-22 |
Family
ID=52002941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480073978.9A Active CN105935002B (en) | 2013-11-29 | 2014-11-28 | For adjusting the equipment and method of the electrode of metallurgical furnace |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3075208B1 (en) |
| CN (1) | CN105935002B (en) |
| DE (1) | DE102013224552A1 (en) |
| WO (1) | WO2015079024A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897969A (en) * | 2017-12-07 | 2019-06-18 | 天工爱和特钢有限公司 | A kind of electroslag furnace of mould steel |
| CN111043865A (en) * | 2019-12-24 | 2020-04-21 | 南京玻璃纤维研究设计院有限公司 | Electrode feeding device for electric melting furnace production |
| CN112514535A (en) * | 2018-06-04 | 2021-03-16 | 莱茵费尔登碳业有限责任两合公司 | Self-baking electrode |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20165035A (en) * | 2016-01-20 | 2017-07-21 | Outotec Finland Oy | METHOD FOR USING THE HIGH-ROTARY ELECTRIC ARRANGEMENT ASSEMBLY AND |
| DE102019217433A1 (en) * | 2019-11-12 | 2021-05-12 | Sms Group Gmbh | Electrode holding device and system for repositioning an electrode in a metallurgical furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2903494A (en) * | 1957-02-23 | 1959-09-08 | Demag Elektrometallurgie Gmbh | Electrode attaching device for electric arc furnaces |
| US3589434A (en) * | 1967-11-06 | 1971-06-29 | Otmar Kleinhagauer | Installations for electrically remelting metals |
| EP1484566A1 (en) * | 2003-06-04 | 2004-12-08 | Bautista Rodriguez Giner | Automatic system for elongating electrodes in electric furnaces |
| CN1957644A (en) * | 2004-05-20 | 2007-05-02 | 哈奇有限公司 | Electrode column |
| CN101356856A (en) * | 2006-01-04 | 2009-01-28 | Sms迪马格股份公司 | Apparatus for adjusting an electrode for a metallurgical furnace |
| CN101981401A (en) * | 2008-04-01 | 2011-02-23 | 特诺恩股份公司 | Device for adjusting the locking point of an electrode |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB988733A (en) * | 1962-09-27 | 1965-04-07 | Ass Elect Ind | Improvements relating to mounting arrangements for electric furnace electrodes |
| DE4342511C2 (en) | 1993-12-08 | 1996-02-08 | Mannesmann Ag | Electric induction furnace with vertically movable frame |
-
2013
- 2013-11-29 DE DE102013224552.1A patent/DE102013224552A1/en not_active Withdrawn
-
2014
- 2014-11-28 CN CN201480073978.9A patent/CN105935002B/en active Active
- 2014-11-28 WO PCT/EP2014/075944 patent/WO2015079024A1/en active Application Filing
- 2014-11-28 EP EP14805873.8A patent/EP3075208B1/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2903494A (en) * | 1957-02-23 | 1959-09-08 | Demag Elektrometallurgie Gmbh | Electrode attaching device for electric arc furnaces |
| US3589434A (en) * | 1967-11-06 | 1971-06-29 | Otmar Kleinhagauer | Installations for electrically remelting metals |
| EP1484566A1 (en) * | 2003-06-04 | 2004-12-08 | Bautista Rodriguez Giner | Automatic system for elongating electrodes in electric furnaces |
| CN1957644A (en) * | 2004-05-20 | 2007-05-02 | 哈奇有限公司 | Electrode column |
| CN101356856A (en) * | 2006-01-04 | 2009-01-28 | Sms迪马格股份公司 | Apparatus for adjusting an electrode for a metallurgical furnace |
| CN101981401A (en) * | 2008-04-01 | 2011-02-23 | 特诺恩股份公司 | Device for adjusting the locking point of an electrode |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897969A (en) * | 2017-12-07 | 2019-06-18 | 天工爱和特钢有限公司 | A kind of electroslag furnace of mould steel |
| CN112514535A (en) * | 2018-06-04 | 2021-03-16 | 莱茵费尔登碳业有限责任两合公司 | Self-baking electrode |
| CN111043865A (en) * | 2019-12-24 | 2020-04-21 | 南京玻璃纤维研究设计院有限公司 | Electrode feeding device for electric melting furnace production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105935002B (en) | 2019-10-22 |
| WO2015079024A1 (en) | 2015-06-04 |
| EP3075208A1 (en) | 2016-10-05 |
| EP3075208B1 (en) | 2020-11-11 |
| DE102013224552A1 (en) | 2015-06-03 |
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