CN202430253U - Slag guiding system of steel refining furnace - Google Patents
Slag guiding system of steel refining furnace Download PDFInfo
- Publication number
- CN202430253U CN202430253U CN201120552715XU CN201120552715U CN202430253U CN 202430253 U CN202430253 U CN 202430253U CN 201120552715X U CN201120552715X U CN 201120552715XU CN 201120552715 U CN201120552715 U CN 201120552715U CN 202430253 U CN202430253 U CN 202430253U
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- slag
- lead
- container
- drive unit
- drive
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model provides a slag guiding system of a steel refining furnace. The slag guiding system comprises a slag guiding device and a controller, wherein the slag guiding device comprises a mounting bracket, a driving device, a driving rod and a slag guiding container; one end, adjacent to the driving device, of the driving rod is connected with the driving device, and the other end of the driving rod is connected with the slag guiding container; the slag guiding container is used for guiding slag to a slag basin; and the controller is used for controlling the driving device to drive the driving rod to drive the slag guiding container to a tap hole from a wait bit so as to receive the slag, guide the slag to the slag basin and return to the wait bit after the slag is guided. The slag guiding system of the steel refining furnace provided by the utility model is compact in structure and low in operation cost, and can be used for effectively preventing the slag from entering into a ladle.
Description
Technical field
The utility model relates to the steel-making continuous casting technical field, especially, relates to a kind of steel melting furnace and leads slag system.
Background technology
In the steel-making continuous casting field; Need transfer to molten steel another container as transfer to molten steel the ladle (big bag) from converter or electric furnace from a container, in the molten steel transfer process, can follow slag (slag or slag) thus get into the quality that next process influences steel.The following quantity of slag when reducing the steel melting furnace tapping not only can reduce the molten steel rephosphorization, improves the molten steel yield, can also reduce the inclusion in the molten steel, improves the molten steel cleanliness factor, and reduces the dry slag of ladle and the consumption of anti-material, prolongs ladle work-ing life, reduces steel-making cost.
For this reason, many minimizing steel melting furnaces method and apparatus of the quantity of slag at present of tapping is arranged, like slag-blocking ball method, floating plug method, pneumatic pushing off the slag method and slide plate pushing off the slag method etc.Wherein the slag-blocking ball method normally arrives tap hole with the mode of drifting with the tide because of slag-blocking ball, thereby slag-blocking ball can not arrive tap hole sometimes smoothly, perhaps can not when molten steel will flow to end, block tap hole effectively, and its safety is difficult to satisfy on-the-spot needs; The floating plug method is because of the accuracy that drops into floating plug and be difficult to guarantee the opportunity of input, causes very instability of pushing off the slag effect; The disclosed pneumatic pushing off the slag method of CN201245677Y not only needs huge airing system but also pressurized gas also can blow molten steel and slag to such an extent that splash everywhere and quicken the loss of tap hole; Steel melting furnace slide plate pushing off the slag technology is the development of ladle slide plate control techniques, and CN1333380A discloses a kind of tapping outlet for converter, with the size realization tapping pushing off the slag of hydro-cylinder control slip tap hole part with the adjustment tap hole.Yet slide block or slide plate pushing off the slag technology are because of its slide block or often replacing of slide plate; According to statistics; Certain steel mill uses after slide plate pushing off the slag technology its slide plate on average need consume 6 yuan of/ton molten steel and every day because of changing the slide plate 1 stove steel that refines less consuming time, and operation cost is very high, finally abandons use.Above-mentioned pushing off the slag method and apparatus all is during ladle shifts molten steel, slag to be taked the technical scheme of stopping up at steel melting furnace, yet technique scheme stops slag to get into that the effect of ladle is limited, cost is too high.
The utility model content
The utility model purpose is to provide a kind of steel melting furnace to lead slag system, gets into the limited or technical problem that cost is too high of ladle effect to solve the existing slag that stops.
For realizing above-mentioned purpose, the utility model provides a kind of steel melting furnace to lead slag system, comprising:
Lead the slag device; Comprise mounting bracket, drive unit, driving stem and lead the slag container that wherein, mounting bracket is installed in and is suitable for leading the position that the slag device implements to lead slag; Drive unit is fixed on this mounting bracket; Driving stem links to each other with drive unit near an end of drive unit, the other end of driving stem with lead the slag container and link to each other, lead the slag container and be used to connect slag and lead slag to slag basin;
Unit is used for accessory drive and drives driving stem and drive and lead the slag container and connect slag, lead to get back to after slag is led in slag to slag basin and completion and wait for the position from waiting for that the position is driven to tap hole.
Further, mounting bracket is installed on the wall that supports steel melting furnace.
Further, mounting bracket is installed on the outer wall of steel melting furnace.
Further, driving stem is for stretching swing arm, and this stretches swing arm and to lead the slag container affixed through screw thread, and drive unit drives to be stretched swing arm and drive that to lead the slag container flexible or/and around the axis rotation of stretching swing arm along the axis of stretching swing arm.
Further, driving stem is a push rod, this push rod with lead the slag container and be connected through bearing pin and lead the slag container and can rotate around bearing pin.
Further; Steel melting furnace is led slag system and is also comprised hamper; This hamper is installed on the outer wall of steel melting furnace, drive unit drive driving stem drive lead the slag container drive to and when running into hamper hamper order about and lead the slag container and rotate a certain angle and be used to lead slag to slag basin.
Further, drive unit is a fluid pressure drive device.
Further, drive unit is a pneumatic actuating device.
The utlity model has following beneficial effect:
The steel melting furnace that the utility model provides is led slag system, and to lead the slag facility simple, do not need airing system and frequent change slide plate, and the cost that puts into effect is low, and it is remarkable to stop slag to get into the ladle effect, has improved the molten steel cleanliness factor.
Except top described purpose, feature and advantage, the utility model also has other purpose, feature and advantage.To do further detailed explanation to the utility model with reference to figure below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is that first of the utility model preferred embodiment led the slag system synoptic diagram;
Fig. 2 is the enlarged diagram of A among Fig. 1;
Fig. 3 is that second of the utility model preferred embodiment leads the slag system synoptic diagram;
Fig. 4 is that second of the utility model preferred embodiment leads slag device synoptic diagram; And
Fig. 5 is that the 3rd of the utility model preferred embodiment leads slag device synoptic diagram.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
The utility model provides a kind of steel melting furnace to lead slag system, comprising: lead slag device and unit, wherein lead the slag device and comprise mounting bracket; Drive unit; Driving stem with lead the slag container, mounting bracket is installed in and is suitable for leading the position that the slag device implements to lead slag, drive unit is fixed on this mounting bracket; Driving stem links to each other with drive unit near an end of drive unit, the other end of driving stem with lead the slag container and link to each other.
For understanding the utility model, explain the utility model as steel melting furnace with converter.
The utility model steel melting furnace is led first embodiment of slag system shown in Fig. 1-2; Converter 101 rotates to certain angle as-85 ℃ (after negative angle representes stove around axle 102; Positive-angle is represented the stokehold) molten steel 106 is transferred in the ladle 107 that is seated on the rail car 109 through tap hole 105, this process abbreviates tapping as.Slag basin 108 adjacent ladles also are seated in and are used for depositing slag on the rail car 109 temporarily.Along with the carrying out of tapping, the absolute value of converter tilt angles degree increases with the minimizing of molten steel, and for stoping steel flow to ladle, ladle moves the change that adapts to the converter tilt angles degree through rail car.In that tapping is fast when finishing such as the angle of converter has arrived-97 ℃, slag can get into ladle together along with molten steel, when the slag content in the molten steel surpasses permissible value, need start converter immediately and lift stove and get into ladle to stop more slag.
For improving the efficient that stops slag to get into ladle; Tapping latter stage; Moving track car 109 makes molten steel 106 stream not fall into outside the ladle near the ladle wall, when judging that the slag content in the effusive molten steel 106 surpasses permissible value from tap hole 105, and starts and leads 104 actions of slag device and start converter 101 when lifting stove; Make rail car 109 drive ladles 107 and move away from tap hole 105 towards tap hole 105 opposite directions, slag just can fall into 108 li in the slag basin that is close to ladle like this.
The mounting bracket 401 of leading slag device 104 is installed on the wall 110 that supports steel melting furnace.Drive unit is a fluid pressure drive device 402, comprises electro-hydraulic proportional valve (figure is last not to be marked), hydraulic oil pipe 402a, cylinder body 402b, piston and piston rod 402c.Cylinder body 402b is fixed on and leads in the slag box body, leads slag box body 405 and is fixed on the mounting bracket 401.Piston rod 402c is connected with driving stem 403 through bearing pin, and the outside of driving stem 403 is provided with the flexible guidepost 406 of driving stem and is respectively applied for the flexible and rotation along the axis of self of guiding driving stem 403 with driving stem rotary steering tube.Abbreviation can realize that the bar of and rotation flexible along self axis is for stretching swing arm; Lead slag container 404 and to stretch swing arm 403 affixed through screw thread, fluid pressure drive device 402 drives to be stretched swing arm 403 and drives that to lead slag container 404 flexible or/and around said axis rotation of stretching swing arm along the axis of stretching swing arm 403.Be slag content in the molten steel 6 lead when surpassing permissible value slag container 404 along the axis elongation of stretching swing arm 403 or/and drive to tap hole 105 around the axis rotation of stretching swing arm 403.After leading slag to slag basin 108, lead slag container 404 and shorten or/and get back to the wait position away from tap hole 105 around the axis opposite spin of stretching swing arm 403 along the axis of stretching swing arm 403.Alternatively, leading the slag container is to lead the slag container and the structure of stretching the swing arm fast changable with stretching the swing arm mode of connection, and this is beneficial to saves the time of leading the slag container of changing.Lead slag container 404 for chute and at the vertical direction maller angle that tilts, this angle can make the slag that flow in the chute under its action of gravity, be guided to slag basin 108 or other suitable place smoothly.The length of this chute covers molten steel and to converter 101 lifts drop scope back no molten steel and slag outflow this process from tap hole in extreme lower position with slag, leads the slag container and does not follow and lift stove and move to adapt to.
According to the action of above-mentioned fluid pressure drive device, on the one hand, electro-hydraulic proportional valve is connected with the hydraulic oil pipe 402a of fluid pressure drive device, and on the other hand, electro-hydraulic proportional valve is electrically connected with unit 103.Hydraulicefficiency oil and then the control that the control may command of 103 pairs of electro-hydraulic proportional valves of unit gets into hydrauliccylinder piston 402c stretch swing arm 403 drive lead slag container 404 along the axis of stretching swing arm 403 stretch, contract or/and around the axis rotation of stretching swing arm 403 drive to, away from tap hole 105.
It is as shown in Figure 3 that the utility model steel melting furnace is led second embodiment of slag system; Compare with first embodiment; First of difference is that the hundredths label of converter 201, furnace axis 202, tap hole 205, molten steel 206, ladle 207, slag basin 208 and rail car 209 and unit 203 becomes 2 from 1; Among ten and position label and Fig. 3 is consistent, and content is identical with first embodiment, no longer repeats here.Second of difference is that the mounting bracket 411 of leading slag device 204 is fixed on the converter outer wall, leads slag container and converter and can rotate synchronously, and therefore, leading slag container, driving stem and drive unit volume can miniaturized, more compact structure.Difference thirdly be lead among slag device and Fig. 4 to lead the slag plant bulk different, but function is identical, no longer repeats here.
Be illustrated in figure 4 as second embodiment that leads the slag device; Compare with first embodiment that leads the slag device shown in Figure 2; First of difference is that the tenths label of drive unit 412, driving stem 413 and guidepost 416 becomes 1 from 0; A hundredths and a position label do not become, and content is identical with first embodiment that leads the slag device, no longer repeats here.Second of difference leads slag container 414 to be connected through bearing pin 417 with driving stem 413 and to lead slag container 414 and can rotate around bearing pin 417, therefore, can not use among first embodiment driving stem around self axis spinfunction.What distinguish thirdly is that an obstacle 10 is installed on furnace walls; Lead slag container 414 when waiting for the position; Because its action of gravity is in hang, when 413 drives of drive unit 412 driving driving stems are led slag container 414 and made the contact plate of leading on the slag container run into hamper 10, leads slag container 10 and begin to rotate a certain angle around bearing pin 417; Like the dotted portion signal among the figure, flow to that the slag of leading the slag container is guided to the slag basin or other desired location realizes leading slag.This angle of rotation and slag basin are apart from the distance dependent of steel stream, and far away apart from the distance of steel stream like the slag basin, this angle of rotation needs bigger, and vice versa.
Be illustrated in figure 5 as the 3rd embodiment that leads the slag device; Compare with second embodiment that leads the slag device shown in Figure 4; First of difference is that the tenths label of drive unit 412, driving stem 423 and guidepost 426 and hamper 10 becomes 2 from 1; A hundredths and a position label do not become, and content is identical with second embodiment that leads the slag device, no longer repeats here.Second of difference is to lead slag container 424 to link to each other through the fork 427 that has chute 427a with the driving stem that has slide block 423a 423, and chute 427a and slide block 423a are slidingly matched.Drive unit 422 drives driving stem 423 a bit of strokes, leads the slag device can be realized big stroke under the drive of fork 427 swing.Fork 427 with lead slag container 424 and cooperate to rotate the width of cloth, lead slag container 424 axis rotation with fork when running into hamper 20.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. a steel melting furnace is led slag system, it is characterized in that, comprising:
Lead the slag device; Comprise mounting bracket, drive unit, driving stem and lead the slag container that wherein, said mounting bracket is installed in and is suitable for leading the position that the slag device implements to lead slag; Said drive unit is fixed on the mounting bracket; Said driving stem links to each other with said drive unit near an end of said drive unit, and the other end of said driving stem links to each other with the said slag container of leading, and the said slag container of leading is used to connect slag and leads slag to slag basin;
Unit is used to control said drive unit and drives said driving stem and drive the said slag container of leading and connect slag, lead to get back to after slag is led in slag to slag basin and completion and wait for the position from waiting for that the position is driven to tap hole.
2. the system of claim 1 is characterized in that, said mounting bracket is installed on the wall that supports steel melting furnace.
3. the system of claim 1 is characterized in that, said mounting bracket is installed on the outer wall of steel melting furnace.
4. the system of claim 1; It is characterized in that; Said driving stem is for stretching swing arm; Saidly stretch swing arm and said to lead the slag container affixed through screw thread, said drive unit drives saidly to be stretched swing arm to drive the said slag container of leading flexible or/and around said axis rotation of stretching swing arm along the said axis of stretching swing arm.
5. the system of claim 1 is characterized in that, said driving stem is a push rod, said push rod with lead the slag container and be connected through bearing pin and lead the slag container and can rotate around bearing pin.
6. like claim 1 or 5 described systems; It is characterized in that; Also comprise hamper; Said hamper is installed on the outer wall of steel melting furnace, drive unit drive driving stem drive lead the slag container drive to and when running into hamper said hamper order about and lead the slag container and rotate a certain angle and be used to lead slag to slag basin.
7. like claim 1 or 4 described systems, it is characterized in that said drive unit is a fluid pressure drive device.
8. like claim 1 or 4 described systems, it is characterized in that said drive unit is a pneumatic actuating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120552715XU CN202430253U (en) | 2011-12-27 | 2011-12-27 | Slag guiding system of steel refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120552715XU CN202430253U (en) | 2011-12-27 | 2011-12-27 | Slag guiding system of steel refining furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202430253U true CN202430253U (en) | 2012-09-12 |
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ID=46779717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120552715XU Expired - Fee Related CN202430253U (en) | 2011-12-27 | 2011-12-27 | Slag guiding system of steel refining furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202430253U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185460A (en) * | 2011-12-27 | 2013-07-03 | 衡阳镭目科技有限责任公司 | Slag guide method and system of steelmaking furnace |
| CN106987675A (en) * | 2017-03-29 | 2017-07-28 | 湖南镭目科技有限公司 | The control system and control method of a kind of converter tapping process |
-
2011
- 2011-12-27 CN CN201120552715XU patent/CN202430253U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185460A (en) * | 2011-12-27 | 2013-07-03 | 衡阳镭目科技有限责任公司 | Slag guide method and system of steelmaking furnace |
| CN103185460B (en) * | 2011-12-27 | 2015-11-11 | 衡阳镭目科技有限责任公司 | Slag method and system led by a kind of converter |
| CN106987675A (en) * | 2017-03-29 | 2017-07-28 | 湖南镭目科技有限公司 | The control system and control method of a kind of converter tapping process |
| CN106987675B (en) * | 2017-03-29 | 2019-04-26 | 湖南镭目科技有限公司 | A kind of control system and control method of converter tapping process |
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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 |
Granted publication date: 20120912 Termination date: 20151227 |
|
| EXPY | Termination of patent right or utility model |