CN204902558U - Ore smelting electric arc furnace three -phase electrode voltage collector - Google Patents
Ore smelting electric arc furnace three -phase electrode voltage collector Download PDFInfo
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- CN204902558U CN204902558U CN201520542851.9U CN201520542851U CN204902558U CN 204902558 U CN204902558 U CN 204902558U CN 201520542851 U CN201520542851 U CN 201520542851U CN 204902558 U CN204902558 U CN 204902558U
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- smelting electric
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Abstract
The utility model provides an ore smelting electric arc furnace three -phase electrode voltage collector, it includes branch, locate branch inner and be used for that the top is established in the stainless steel butt portion of ore smelting electric arc furnace electrode lateral part, the voltage acquisition circuit in locating the insulating frame of this branch outer end and locating this branch. This ore smelting electric arc furnace three -phase electrode voltage collector has design science, measure accurate error little, prevent that the electrode from frequently moving / pressing whole the cut off the power supply advantage of trouble of ore smelting electric arc furnace three -phase electrode that leads to of discharge electrode and electrode shell joint dipped ring.
Description
Technical field
The utility model relates to a kind of ore-smelting electric furnace voltage acquisition equipment, specifically, relate to a kind of ore-smelting electric furnace three-phase electrode voltage collector.
Background technology
Traditional ore-smelting electric furnace smelting industry three-phase electrode voltage acquisition is drawn on short_net copper pipe or furnace transformer secondary outlet terminal, because ore-smelting electric furnace adopts low-voltage, high-current mode to run, secondary current is in several ten thousand even tens Wan An trainings, secondary outgoing line is needed to adopt the outlet of many copper pipes to reduce short net reactance, and the short net of three-phase and each branch road of short net (copper pipe) configuration are not etc., determine the difference of the short net impedance of three-phase, along with the maximization of ore-smelting electric furnace, the performance of three-phase short net resistance difference is outstanding all the more, and the error of the short net voltage of detection display is just larger.
For HTSSP--25000KVA ore-smelting electric furnace: low voltage short net outlet: totally 48 copper pipes, point 8 Ge Zhi roads; Secondary current: 80000A, secondary voltage (commonly using) 180V; Under nominal power, each copper pipe voltage of short net is surveyed: 150 ~ 170V.Error exceeds 10 ~ 15%.
Particularly the short_net copper pipe the superiors and basecoat and middle copper pipe resistance difference are comparatively large, the short_net copper pipe the superiors and orlop big current field weakening apparatus relatively little, induction reactance is to comparatively large, and secondary voltage is just higher.Middle part short net big current field weakening apparatus is relatively large, and induction reactance is relatively little, and secondary voltage is relatively low.
Along with the development of ore-smelting electric furnace maximization, automation, realize ore-smelting electric furnace second electrode power detection, the secondary voltage that short net obtains can not meet actual requirement, and smelt ore-smelting electric furnace and high and stable yields etc. affects serious.
In order to solve above Problems existing, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, thus a kind of design science is provided, measure accurate error little, when preventing electrode frequent movement/press electrode and the out-of-flatness of electrode shell interface, the ore-smelting electric furnace three-phase electrode voltage collector of ore-smelting electric furnace three-phase electrode disconnection fault.
To achieve these goals, the technical scheme that the utility model adopts is: a kind of ore-smelting electric furnace three-phase electrode voltage collector, comprise pole, be located at that pole is inner and for the voltage acquisition circuit pushing up the stainless steel abutting part being located at ore-smelting electric furnace electrode sides, the insulating frame being located at this pole outer end and be located in this pole, described voltage collection circuit connects described stainless steel abutting part.
Described on base, described stainless steel abutting part comprises stainless steel assembly pulley.
Described on base, described stainless steel assembly pulley comprises a pair stainless steel pulley, and the axis of the corresponding described ore-smelting electric furnace electrode of this center line to stainless steel pulley is arranged.
Described on base, described pole comprises the expansion link formed by the mobile jib be mutually socketed and active copper bar, between described active copper bar and described mobile jib, stage clip is installed, described mobile jib sidepiece arranges spacing elongated hole, the sidepiece of described active copper bar is to arranging set screw by spacing elongated hole, described insulating frame is located at the outer end of described mobile jib, and described stainless steel abutting part is located at the free end of described active copper bar.
Described on base, described active copper bar is provided with line ball screw.
Described on base, described insulating frame is discoid.
The utility model hinge structure has substantive distinguishing features and progress, specifically, the utility model not etc. does not cause resistance difference in order to avoid short_net copper pipe configuration, thus affect the problem of measurement accuracy, abandon changing in the measurement of short_net copper pipe place measuring at ore-smelting electric furnace electrode place, the stainless steel abutting part of pole is connected to the sidepiece of each electrodes in mine hot stove, insulating support is for supporting pole, then by inner voltage acquisition circuit, voltage acquisition is carried out to electrode, avoid the problem that the many caused copper pipe resistance differences of short_net copper pipe are large, ensure that the accuracy of measurement.
Further, stainless steel abutting part is set to stainless steel assembly pulley, abuts with the sidepiece of ore-smelting electric furnace electrode, and this is to tackle electrodes in mine hot stove knee-action frequently, slides more smooth, prevents loose contact, cause display system fault.Stainless steel assembly pulley comprises a pair stainless steel pulley, and this is arranged the center line counter electrode axis of stainless steel pulley.
Further, pole comprises mobile jib and the active copper bar of socket, arranges stage clip between the two, flexible stronger, mobile jib sidepiece arranges spacing elongated hole, and the sidepiece of active copper bar arranges bolt, be connected in this spacing elongated hole, thus limit the flexible stroke of active copper bar.Its objective is that reply ore-smelting electric furnace three-phase electrode machinery swings, ensure that stainless steel abutting part/stainless steel pulley can be good with electrode contact all the time.On the other hand, ensure that in the process of electrode knee-action, stainless steel assembly pulley still can contact electrode under the action of the spring all the time when electrode shell causes electrode relative tilt due to welding out-of-flatness, can not therefore loose contact, cause the system failure.
Further, active copper bar arranges line ball screw, is to prevent inner voltage acquisition circuit power-off in active copper bar telescopic process, effectively guaranteeing that voltage acquisition circuit is accurate, insulating frame is set to discoid, conveniently installs and plays insulating effect.
It has design science, measure accurate error little, prevent electrode frequent movement/press electrode and the out-of-flatness of electrode shell interface from causing the advantage of ore-smelting electric furnace three-phase electrode disconnection fault.
Accompanying drawing explanation
Fig. 1 is the structural representation of ore-smelting electric furnace three-phase electrode voltage collector using state in the utility model.
Fig. 2 is the structural representation of ore-smelting electric furnace three-phase electrode voltage collector in the utility model.
In figure: 1. pole; 2. stainless steel assembly pulley; 3. insulating frame; 4. electrode; 5. stainless steel pulley; 6. mobile jib; 7. active copper bar; 8. spacing elongated hole; 9. set screw; 10. line ball screw; 11. stage clips.
Detailed description of the invention
Below by detailed description of the invention, the technical solution of the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of ore-smelting electric furnace three-phase electrode voltage collector, comprise pole 1, to be located at pole 1 inner and for the voltage acquisition circuit pushing up the stainless steel assembly pulley 2 being located at ore-smelting electric furnace electrode 4 sidepiece, the insulating frame 3 being located at this pole 1 outer end and be located in this pole 1, described voltage collection circuit connects described stainless steel assembly pulley 2, described stainless steel assembly pulley 2 comprises a pair stainless steel pulley 5, the axis of the corresponding described ore-smelting electric furnace electrode 4 of this center line to stainless steel pulley 5 is arranged, described insulating frame 3 is discoid, conveniently takes.
During use, by three voltage collectors respectively correspondence be arranged on ore-smelting electric furnace three-phase electrode 4 place, the stainless steel assembly pulley 2 of each voltage collector is connected to the sidepiece of corresponding ore-smelting electric furnace electrode 4, the jut of electrode 4 is in the centre of two stainless steel pulleys 5, arranging stainless steel assembly pulley 2 is to tackle electrode 4 knee-action frequently, stainless steel assembly pulley 2 can make contact more stable, not easily departs from, and avoids causing loose contact.
Embodiment 2
As shown in Figure 2, the difference of this embodiment and embodiment 1 is: described pole 1 comprises the mobile jib 6 and active copper bar 7 that are mutually socketed, between described active copper bar 7 and described mobile jib 6, stage clip 11 is installed, described mobile jib 6 sidepiece arranges spacing elongated hole 8, the sidepiece of described active copper bar 7 is to arranging set screw 9 by spacing elongated hole 8, described insulating frame 3 is located at the outer end of described mobile jib 6, the free end of described active copper bar 7 is located at by described stainless steel assembly pulley 2, described active copper bar 7 is provided with line ball screw 10, this structure has elasticity, its objective is to ensure that electrode 4 is when transverse shakiness, stainless steel assembly pulley 2 still can contact with ore-smelting electric furnace electrode 4 sidepiece all the time, ensure Measurement sensibility, in addition, also can ensure that electrode shell is when welding out-of-flatness, when electrode 4 relative tilt, during electrode 4 knee-action, stainless steel assembly pulley 2 still can abut electrode 4, can not therefore loose contact, cause the system failure.
Wherein, set screw 9 coordinates spacing elongated hole 8, determines the active strokes of active copper bar 7, and line ball screw 10 compresses inner voltage acquisition circuit, makes it movable with active copper bar 7, prevents from being torn.
Namely the program solves in voltage acquisition process, and the frequent knee-action of electrode causes the problem of loose contact power-off, also solves the problem of the three-phase electrode loose contact power-off that the out-of-flatness of electrode shell structure and electrode teeter cause.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (6)
1. an ore-smelting electric furnace three-phase electrode voltage collector, it is characterized in that: comprise pole, be located at that pole is inner and for the voltage acquisition circuit pushing up the stainless steel abutting part being located at ore-smelting electric furnace electrode sides, the insulating frame being located at this pole outer end and be located in this pole, described voltage collection circuit connects described stainless steel abutting part.
2. ore-smelting electric furnace three-phase electrode voltage collector according to claim 1, is characterized in that: described stainless steel abutting part comprises stainless steel assembly pulley.
3. ore-smelting electric furnace three-phase electrode voltage collector according to claim 2, is characterized in that: described stainless steel assembly pulley comprises a pair stainless steel pulley, and the axis of the corresponding described ore-smelting electric furnace electrode of this center line to stainless steel pulley is arranged.
4. the ore-smelting electric furnace three-phase electrode voltage collector according to any one of claim 1-3, it is characterized in that: described pole comprises the expansion link formed by the mobile jib be mutually socketed and active copper bar, between described active copper bar and described mobile jib, stage clip is installed, described mobile jib sidepiece arranges spacing elongated hole, the sidepiece of described active copper bar is to arranging set screw by spacing elongated hole, described insulating frame is located at the outer end of described mobile jib, and described stainless steel abutting part is located at the free end of described active copper bar.
5. ore-smelting electric furnace three-phase electrode voltage collector according to claim 4, is characterized in that: described active copper bar is provided with line ball screw.
6. ore-smelting electric furnace three-phase electrode voltage collector according to claim 1, is characterized in that: described insulating frame is discoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542851.9U CN204902558U (en) | 2015-07-24 | 2015-07-24 | Ore smelting electric arc furnace three -phase electrode voltage collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542851.9U CN204902558U (en) | 2015-07-24 | 2015-07-24 | Ore smelting electric arc furnace three -phase electrode voltage collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204902558U true CN204902558U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520542851.9U Expired - Fee Related CN204902558U (en) | 2015-07-24 | 2015-07-24 | Ore smelting electric arc furnace three -phase electrode voltage collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN204902558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044390A (en) * | 2019-05-23 | 2019-07-23 | 郑州市旭坤节能科技有限公司 | A kind of ore-smelting electric furnace electrode position detection device |
-
2015
- 2015-07-24 CN CN201520542851.9U patent/CN204902558U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044390A (en) * | 2019-05-23 | 2019-07-23 | 郑州市旭坤节能科技有限公司 | A kind of ore-smelting electric furnace electrode position detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20170724 |