CN104046791A - Metal electroslag remelting furnace and electrode centering method adopting same - Google Patents
Metal electroslag remelting furnace and electrode centering method adopting same Download PDFInfo
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- CN104046791A CN104046791A CN201410316405.6A CN201410316405A CN104046791A CN 104046791 A CN104046791 A CN 104046791A CN 201410316405 A CN201410316405 A CN 201410316405A CN 104046791 A CN104046791 A CN 104046791A
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Abstract
The invention discloses a metal electroslag remelting furnace. The metal electroslag remelting furnace comprises a crystallizer, a support pillar, a cross arm, an electrode and a data control processing system, wherein the crystallizer is integrally shaped like a furnace; the data control processing system is used for electrical control. The metal electroslag remelting furnace is characterized by also comprising a detection mechanism and executive devices, wherein the detection mechanism is used for detecting the position of the electrode; the executive devices are used for pushing the crystallizer to move horizontally; the detection mechanism is connected with the data control processing system and is used for transmitting detection data; the executive devices are connected with the data control processing system and are used for receiving a command. The invention also discloses an electrode centering method adopting the metal electroslag remelting furnace. The electrode centering method is characterized by comprising the following steps: during centering, firstly detecting the distance and size of the electrode by three position sensors, converting a position coordinate, then decomposing the distance into distance components along the force application directions of the two executive devices and controlling the executive devices to act to complete centering. The metal electroslag remelting furnace has the advantages that the metal electroslag remelting furnace can facilitate centering, reduce the phenomenon of failure of the crystallizer and prolong the service life of the crystallizer.
Description
Technical field
The present invention relates to a kind of metal electric slag refusion and smelting technical field; Particularly relate to a kind of metal electroslag remelting furnace.
Background technology
Metal electric slag hearth is the resistance heat that produces while utilizing electric current by slag carries out melting a kind of metallurgical equipment as thermal source, its structure mainly comprises that entirety is the crystallizer of stove shape, is positioned at the pillar of crystallizer one side, pillar top is provided with transverse arm, on transverse arm, just crystallizer is provided with to the electrode that extends down into crystallizer; Also include the Data Control treatment system for electrical control.
Wherein, crystallizer is the parts of esr most critical, and solidification and crystallization, the ingot casting moulding of the fusing of electrode, the refining of metal and molten metal all complete in crystallizer.Electroslag remelting crystalizer is welded by the shell of soft steel and the inner tube of red copper conventionally, adds water inlet pipe, rising pipe.Crystallizer plays a part working chamber.Crystallizer is because hardness and the intensity of copper coin itself are lower, and equipment designs and operator's operation factors can cause inefficacy.The failure mode of crystallizer for electroslag furnace is mainly divided into improper the causing of electrode and crystallizer Disalignment gap and beats arc and the crystallizer two kinds of failure modes of uneven distortion of being heated.Beat arc and lost efficacy and be mainly due to electrode and crystallizer Disalignment, gap is improper to cause, distortion is because the crystallizer inequality of being heated causes, these two kinds of failure modes all with electrode and crystallizer centering whether well to ensure that respective clearance exists much relations.Centering is good, can effectively ensure that electrode is consistent with crystallizer relative gap, can prevent that electrode and crystallizer from beating arc in smelting process, can make crystallizer be heated evenly simultaneously, is out of shape little.In existing electroslag smelting operation, the centering of crystallizer and electrode is all to adopt manually to complete, and so not only operating process is loaded down with trivial details, and can introduce personal errors, and alignment deviation is large.In smelting process, the centering of electrode and crystallizer is adjusted also and is manually completed under operator constantly observe, not only affecting production unit uses, and seriously reduce production efficiency, this completely by the manually-operated mode of production, due to electrode and crystallizer center corresponding size data message in cannot dynamic extraction smelting process, so be difficult to smelting process related data to be controlled in real time, and after there is deviation, operator only goes to regulate electrode and crystallizer centering by rule of thumb, cause unavoidably second accident, therefore do not reach regulating effect.Electrode and crystallizer Disalignment cause again the crystallizer inequality of being heated, thereby cause mould deformation to lose efficacy.Greatly shorten the work-ing life of crystallizer.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical problem to be solved by this invention is: how to provide one can facilitate centering, reduce crystallizer failure phenomenon, extend crystallizer metal electroslag remelting furnace and the electrode centering method thereof in work-ing life.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme:
A kind of metal electroslag remelting furnace, comprises that entirety is the crystallizer of stove shape, is positioned at the pillar of crystallizer one side, and pillar top is provided with transverse arm, on transverse arm, just crystallizer is provided with to the electrode that extends down into crystallizer; Also include the Data Control treatment system for electrical control; It is characterized in that, also comprise the feeler mechanism for detection of electrode position, and the executive device moving horizontally for promoting crystallizer, described feeler mechanism is connected with Data Control treatment system and for transmitting detection data, and described executive device is connected with Data Control treatment system and for receiving instruction.
In the present invention, be provided with feeler mechanism for detection of electrode position, then judge whether disalignment and calculate offset distance of electrode position, then control executive device and promote crystallizer and move, make electrode centering again.The present invention has adopted electrode to maintain static, and promotes the crystallizer mode centering of moving, and the whole-process automatic collection of centering and control, realized centering automatization, can facilitate centering, reduces crystallizer failure phenomenon, extends crystallizer work-ing life.
As optimization, described feeler mechanism comprises that three are fixed on the position transducer of crystallizer upper surface along crystallizer axial line arranged in concentric circles and annular evenly arranging, and position transducer is for detection of electrode position.
Its Position Sensor, it can be approach switch, the devices such as photo-sensor, like this, three position transducers of setting, can facilitate the distance of detecting electrode, in the time that equating, electrode distance can judge centering, in the time that the electrode distance detecting does not wait, can be judged as disalignment, and can calculate fast electrode departure distance.Therefore have easy to detect fast accurately and reliably and can calculate fast electrode departure distance, to facilitate the advantage of again controlling centering.
As optimization, described crystallizer is arranged on base, and base lower surface is arranged on movably by universal wheel on the support ground of a level, and described executive device is two covers, and two cover executive devices are mutually vertical to the application of force direction of crystallizer.
After optimizing like this, Data Control treatment system calculates after deviation electrode, can be converted into the distance displacement on both direction, and then controls two cover executive device actions, and mobile crystallizer position makes electrode centering again exactly.
As further optimization, described executive device comprises that is fixed on the ground servomotor of support, servomotor output shaft level is just to crystallizer base and be fixedly connected with a screw mandrel, wire rod thread is engaged in a nut being fixed on crystallizer base, and servomotor can drive screw mandrel rotation and promote crystallizer base by nut and move.Wherein, servomotor is connected with Data Control treatment system and for receiving instruction.
After optimizing like this, adopt servomotor by screw nut driven, and then crystallization control device moves, can control the very short displacement of realization, ensure to control accurately and reliable.
The invention also discloses a kind of metal electroslag remelting furnace electrode centering method, it is characterized in that, adopt metal electroslag remelting furnace as above, when centering, first detect electrode distance size by three position transducers, converse the position coordinates of electrode in the horizontal plane system of coordinates taking crystallizer center as initial point, then this position is decomposed into along the distance component of two executive device application of force directions to the distance of true origin, then according to two executive devices of these two distance component controls, crystallizer is promoted to respective distance, realize centering and adjust.
In sum, the present invention has can facilitate centering, reduces crystallizer failure phenomenon, extends the crystallizer advantage in work-ing life.
Brief description of the drawings
Fig. 1 is the structural representation of metal electroslag remelting furnace of the present invention.
Fig. 2 is the vertical view of independent position transducer position in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
When concrete enforcement: as depicted in figs. 1 and 2, a kind of metal electroslag remelting furnace, comprises that entirety is the crystallizer 1 of stove shape, is positioned at the pillar 2 of crystallizer 1 one sides, pillar 2 sides are provided with transverse arm 3, on transverse arm 3, just crystallizer 1 are provided with to the electrode 4 that extends down into crystallizer; Also include the Data Control treatment system 8 for electrical control; Also comprise the feeler mechanism for detection of electrode 4 positions, and the executive device 7 moving horizontally for promoting crystallizer, described feeler mechanism is connected with Data Control treatment system 8 and for transmitting detection data, and described executive device is connected with Data Control treatment system and for receiving instruction.Described feeler mechanism comprises that three are fixed on the position transducer 5 of crystallizer upper surface along crystallizer axial line arranged in concentric circles and annular evenly arranging, and position transducer 5 is for detection of electrode position.Described crystallizer 1 is arranged on base 6, and base 6 lower surfaces are arranged on movably by universal wheel on the support ground of a level, and described executive device 7 is two covers, and two cover executive devices 7 are mutually vertical to the application of force direction of crystallizer 1.When concrete enforcement, described executive device 7 can adopt following structure, comprise that is fixed on the ground servomotor of support, servomotor output shaft level is just to crystallizer base and be fixedly connected with a screw mandrel, wire rod thread is engaged in a nut being fixed on crystallizer base, and servomotor can drive screw mandrel rotation and promote crystallizer base by nut and move.Wherein, servomotor is connected with Data Control treatment system and for receiving instruction.
In the present invention, be provided with feeler mechanism for detection of electrode position, then judge whether disalignment and calculate offset distance of electrode position, then control executive device and promote crystallizer and move, make electrode centering again.The present invention has adopted electrode to maintain static, and promotes the mode centering that crystallizer moves, and the whole-process automatic collection of centering and control, realized centering automatization.The position transducer adopting in feeler mechanism, it can be approach switch, the devices such as photo-sensor, like this, three position transducers of setting, can facilitate the distance of detecting electrode, in the time that equating, electrode distance can judge centering, in the time that the electrode distance detecting does not wait, can be judged as disalignment, and can calculate fast the distance in electrode skew crystallizer axle center.Data Control treatment system calculates after deviation electrode, can be converted into the distance displacement on both direction, and then controls two cover executive device actions, and mobile crystallizer position makes electrode centering again exactly.Executive device adopts servomotor by screw nut driven, and then crystallization control device moves, and can control the very short displacement of realization, ensures to control accurately and reliable.
A kind of metal electroslag remelting furnace electrode centering method, adopt metal electroslag remelting furnace as above, when centering, first detect electrode distance size by three position transducers, converse the position coordinates of electrode in the horizontal plane system of coordinates taking crystallizer center as initial point, then this position is decomposed into along the distance component of two executive device application of force directions to the distance of true origin, then according to two executive devices of these two distance component controls, crystallizer is promoted to respective distance, realize centering and adjust.
When concrete enforcement, can also adopt the second centering method, in second method, in the time that three position transducers are set, two position transducers wherein need to be arranged on the parallel lines with an executive device application of force direction, then when centering, first driving crystallizer to move to the detection data of two position transducers of this correspondence by this executive device application of force stops when identical, and then adopt the 3rd position transducer to detect and electrode distance size, calculate distance poor of this numerical value and the 3rd position transducer to a three round heart in position transducer place, drive crystallizer to move respective distances according to second executive device of this difference control, realizing centering adjusts.
Above-mentioned the first centering method, can control two executive devices moves simultaneously, carry out consuming time shortlyer, complete and control comparatively fast, but Data Control treatment system self performance is had relatively high expectations, second method, two executive devices are divided into two steps actions, carry out consuming time relatively longly, complete control slower, but lower to the requirement of Data Control treatment system self performance, equipment cost is lower.After two kinds of methods are finished, all can lean on closed loop to detect feedback adjustment, until finally complete centering.
Claims (5)
1. a metal electroslag remelting furnace, comprises that entirety is the crystallizer of stove shape, is positioned at the pillar of crystallizer one side, and pillar top is provided with transverse arm, on transverse arm, just crystallizer is provided with to the electrode that extends down into crystallizer; Also include the Data Control treatment system for electrical control; It is characterized in that, also comprise the feeler mechanism for detection of electrode position, and the executive device moving horizontally for promoting crystallizer, described feeler mechanism is connected with Data Control treatment system and for transmitting detection data, and described executive device is connected with Data Control treatment system and for receiving instruction.
2. metal electroslag remelting furnace as claimed in claim 1, it is characterized in that, described feeler mechanism comprises that three are fixed on the position transducer of crystallizer upper surface along crystallizer axial line arranged in concentric circles and annular evenly arranging, and position transducer is for detection of electrode position.
3. metal electroslag remelting furnace as claimed in claim 1 or 2, it is characterized in that, described crystallizer is arranged on base, base lower surface is arranged on movably by universal wheel on the support ground of a level, described executive device is two covers, and two cover executive devices are mutually vertical to the application of force direction of crystallizer.
4. metal electroslag remelting furnace as claimed in claim 3, it is characterized in that, described executive device comprises that is fixed on the ground servomotor of support, servomotor output shaft level is just to crystallizer base and be fixedly connected with a screw mandrel, wire rod thread is engaged in a nut being fixed on crystallizer base, and servomotor can drive screw mandrel rotation and promote crystallizer base by nut and move.
5. a metal electroslag remelting furnace electrode centering method, is characterized in that, has adopted metal electroslag remelting furnace as claimed in claim 4 to carry out centering.
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| CN201410316405.6A CN104046791B (en) | 2014-07-04 | 2014-07-04 | A kind of metal electroslag refining furnace and electrode centering method thereof |
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| CN104046791B CN104046791B (en) | 2016-05-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897937A (en) * | 2017-12-07 | 2019-06-18 | 江苏天工工具有限公司 | Process the electroslag remelting mechanism of high-speed steel |
| CN110564974A (en) * | 2019-08-27 | 2019-12-13 | 仇凯 | Electroslag remelting furnace |
| CN111647756A (en) * | 2020-06-22 | 2020-09-11 | 北京钢研高纳科技股份有限公司 | False electrode for electroslag remelting furnace and self-adaptive centering method of false electrode for electroslag remelting furnace |
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| CN2302260Y (en) * | 1997-06-25 | 1998-12-30 | 北京科技大学 | Direct current electric-arc-slag heating ladle furnace computer controller |
| CN1233385A (en) * | 1996-08-30 | 1999-10-27 | 梅尔特兰公司 | Rotating-translational drive mechanism for positioning devices in a melter |
| CN201459213U (en) * | 2009-09-03 | 2010-05-12 | 重庆文理学院 | Electroslag remelting bottom water tank device capable of adjusting displacement automatically |
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2014
- 2014-07-04 CN CN201410316405.6A patent/CN104046791B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233385A (en) * | 1996-08-30 | 1999-10-27 | 梅尔特兰公司 | Rotating-translational drive mechanism for positioning devices in a melter |
| CN2302260Y (en) * | 1997-06-25 | 1998-12-30 | 北京科技大学 | Direct current electric-arc-slag heating ladle furnace computer controller |
| CN201459213U (en) * | 2009-09-03 | 2010-05-12 | 重庆文理学院 | Electroslag remelting bottom water tank device capable of adjusting displacement automatically |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897937A (en) * | 2017-12-07 | 2019-06-18 | 江苏天工工具有限公司 | Process the electroslag remelting mechanism of high-speed steel |
| CN110564974A (en) * | 2019-08-27 | 2019-12-13 | 仇凯 | Electroslag remelting furnace |
| CN111647756A (en) * | 2020-06-22 | 2020-09-11 | 北京钢研高纳科技股份有限公司 | False electrode for electroslag remelting furnace and self-adaptive centering method of false electrode for electroslag remelting furnace |
| CN111647756B (en) * | 2020-06-22 | 2021-10-15 | 北京钢研高纳科技股份有限公司 | False electrode for electroslag remelting furnace and self-adaptive centering method of false electrode for electroslag remelting furnace |
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| CN104046791B (en) | 2016-05-25 |
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Effective date of registration: 20210308 Address after: 400084 No. 2, Magnesium Bridge Road, Area A, Jianqiao Industrial Park, Dadukou District, Chongqing Patentee after: CHONGQING IRON & STEEL INSTITUTE Co.,Ltd. Address before: Three village 400080 Dadukou District of Chongqing weir building 1 No. 1 Patentee before: CHONGQING IRON & STEEL (Group) Co.,Ltd. |
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