CN203216279U - Device used for adding alloy in steel tapping process of electric furnace - Google Patents
Device used for adding alloy in steel tapping process of electric furnace Download PDFInfo
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- CN203216279U CN203216279U CN2013200994874U CN201320099487U CN203216279U CN 203216279 U CN203216279 U CN 203216279U CN 2013200994874 U CN2013200994874 U CN 2013200994874U CN 201320099487 U CN201320099487 U CN 201320099487U CN 203216279 U CN203216279 U CN 203216279U
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- blanking
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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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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model provides a device used for adding alloy in the steel tapping process of an electric furnace and belongs to smelting material-adding devices. The device comprises a first-level material storage bin, a weighing trolley is arranged under the first-level material storage bin and provided with a material storage funnel, and a material discharging pipeline is arranged under the material storage funnel. The device is characterized in that a second-level material storage bin is arranged under the material discharging pipeline, a second-level material discharging pipeline is arranged under the second-level material storage bin, a material discharging inclined pipe is arranged under the second-level material discharging pipeline, a material discharging chute is arranged under the material discharging inclined pipe, and a control mechanism is arranged on the material discharging chute. The control mechanism is composed of a lifting mechanism and a rotating mechanism, wherein the lifting mechanism is composed of an electric-hydraulic pusher, a fixed pulley, a steel wire rope, a supporting seat lever, a connecting lever and a connecting rod. The device eliminates the phenomenon that alloy is adhered to the bottom of a ladle, and reduces the molten steel splashing condition.
Description
Technical field
The utility model belongs to metallurgy industry and smelts charging (feeding) equipment, is specifically related to a kind of device that adds alloy for electric furnace steel tapping.
Background technology
Furnace technology develops rapidly both at home and abroad at present.Carbon steel line former technological process in Taiyuan Iron and Steel Co. special steel smeltery is: prepare to add in advance in the ladle alloys such as lime, high-carbon manganese, aluminum shot → convert ladle → EBT electric furnace steel tapping → LF alloy, furnishing branch behind the EBT electric furnace charging → smelting → stove.Prepare behind the electric furnace stove to add alloys such as lime, high-carbon manganese, aluminum shot in advance in the bag, when electric furnace steel tapping, high-temperature molten steel is limited with the cold alloy material contact area in the bag end, reacts insufficient, causes molten steel composition inhomogeneous after entering the LF stove, most of alloy is in molten condition and does not melt fully, paste is at ladle bottom, and it mainly is that to melt paste be main at the alloy of ladle bottom that LF smelts early stage, makes LF lengthen the duration of heat, influence rhythm of production, cause electric furnace heap steel to wait for phenomenon.
Summary of the invention
In order to improve the uniformity coefficient of molten steel composition, reduce LF stove duration of heat, the utility model provides a kind of electric furnace steel tapping adduction golden clothes to put, and occupies little space, and takes full advantage of on-the-spot small space characteristics and realizes adding alloy with steel stream behind the stove.
A kind of device that adds alloy for electric furnace steel tapping, comprise the one-level storage bin, the below of one-level storage bin arranges the weighing dolly, on the weighing dolly hopper is set, hopper is divided into and is deposited pipe material, it is characterized in that blanking pipeline below arranges the secondary storage bin, the below of secondary storage bin arranges secondary blanking pipeline, the below of secondary blanking pipeline arranges the blanking inclined tube, and the below of blanking inclined tube arranges the blanking chute, and the blanking chute arranges controlling organization; Described controlling organization is made up of hoisting mechanism and rotating mechanism, hoisting mechanism is made up of Electrohydraulic push rod, fixed pulley, steel wire rope, supporting seat lever, connection lever, connecting rod, Electrohydraulic push rod passes through steel wire rope, fixed pulley is connected with supporting seat lever one end, the supporting seat lever other end by steel wire rope be connected lever one end and connect, connect the lever other end and be connected with blanking chute connecting rod, the blanking chute is connected by bearing pin with the blanking inclined tube; Rotating mechanism is by needle roller and thrust cylindrical roller combination bearing, cylindrical roller bearing, gear wheel, gear motor, form near limit switch, secondary blanking pipeline supporting seat; Secondary blanking pipeline is supported by needle roller and thrust cylindrical roller combination bearing, the radial load of secondary blanking pipeline is by needle roller and thrust cylindrical roller combination bearing and cylindrical roller bearings, gear wheel, limited block are installed on the secondary blanking pipeline, gear motor, are installed on the secondary blanking pipeline supporting seat near limit switch; Drive the rotation of secondary blanking pipeline by gear motor by gear drive, by controlling the anglec of rotation near limit switch.
Rotating mechanism and electric furnace steel tapping eye maintenance platform carry out chain control.
Promote controlling organization and electric furnace steel tapping signal and carry out chain control.
Lay in the storehouse after opening stove during electric furnace steel tapping, alloy enters in the ladle with steel stream jointly by the blanking chute, and inclined chute was risen automatically after tapping was finished, and treated to fall automatically after buggy ladle is left station.The abundant haptoreaction of alloy and molten steel is melted in the ladle, stirs molten steel in conjunction with steel ladle bottom argon blowing, reaches the uniform purpose of molten steel composition.
Add the alloy device by the utility model, can effectively improve the inhomogeneous phenomenon of molten steel composition, reduce the duration of heat of LF.
The beneficial effects of the utility model:
1. after realizing that slag charge and alloy add with steel stream, take full advantage of electric furnace steel tapping process liquid steel temperature and mixing effect, the basic all fusings of slag charge and alloy.
2. molten steel enters that slagging speed is fast behind the LF stove, alloy melting is abundant, and sending electricity is desirable first sample chemical examination after 5 minutes, 6～8 minutes more in advance.
3, after the alloy slag charge added with steel stream, LF slagging speed was fast, and alloy melting is complete, and the fluctuation of refining sampling composition reduces, and the more former technology of Composition Control precision improves 8.5%.
4, after deoxidier adds with steel stream, realize fully deoxidation in the electric furnace steel tapping process, other alloying metal rate of recovery obviously improves, and the more former technology of the rate of recovery that is in particular deoxygenated alloy ferrosilicon, Gao Meng, vanadium iron improves 2.25%.
5, every stove steel shortens the LF 5-7 duration of heat minute, daily increases production molten steel amount 1.36 stoves, discharges production capacity.
6, realize behind the electric furnace stove having stopped the sticking bag of alloy end phenomenon with behind the steel stream adding alloy, reduce the molten steel spraying state.
Description of drawings
Fig. 1 is the utility model structure chart.
Among the figure, 1, the one-level storage bin, 2, the weighing dolly, 3, hopper, 4, the blanking pipeline, 5, electromagnetic shaker, 6, secondary storage bin, 7, rotating mechanism, 8, secondary blanking pipeline, 9, supporting seat lever, 10, Electrohydraulic push rod, 11, steel wire rope, 12, connect regulations and parameters, 13, bracing frame, 14, connecting rod, 15, the blanking inclined tube.
The specific embodiment
The utility model has utilized the existing one-level storage bin 1 of 25 meters height and 19 meters the weighing dolly 2 of being positioned at.Hopper 3 and blanking pipeline 4 are set up in weighing dolly 2 belows, vibrator 5 is set on the blanking pipeline 4, blanking pipeline 4 leads to the secondary storage bin 6 of the deposit 5t alloy material that is positioned at 13 meters positions of platform settings, be provided with secondary blanking pipeline 8 below the secondary storage bin 6, secondary blanking pipeline 8 belows arrange blanking inclined tube 15, become 135 degree angles between blanking inclined tube 15 and the secondary blanking pipeline 8, the below of blanking inclined tube 15 arranges liftable blanking chute, is connected with steel pin between blanking chute and the blanking inclined tube 15.
The blanking chute can be realized rotation or lifting action by controlling organization.
Described controlling organization is made up of rotating mechanism 7 and elevating mechanism on 7 meters platforms.Rotating mechanism 7 is by needle roller and thrust cylindrical roller combination bearing, cylindrical roller bearing, gear wheel, blanking inclined tube, form near limit switch, secondary blanking pipeline supporting seat.Secondary blanking pipeline 8 gravity are mainly supported by needle roller and thrust cylindrical roller combination bearing, the radial load of secondary blanking pipeline 8 is by needle roller and thrust cylindrical roller combination bearing and cylindrical roller bearings, gear wheel, spacing meeting and discussing is installed on the secondary blanking pipeline 8, the blanking inclined tube, is installed on the secondary blanking pipeline supporting seat near limit switch.
Elevating mechanism is made up of Electrohydraulic push rod 10, supporting seat bar 9, steel wire rope 11, connection lever 12, bracing frame 13 and connecting rod 14.Electrohydraulic push rod 10 is connected with supporting seat lever one end by steel wire rope 11, fixed pulley, the supporting seat lever other end by steel wire rope be connected the connection of lever 12 1 ends, connection lever 12 other ends are connected with inclined chute connecting rod 14;
When the electric furnace steel tapping amount reaches 20t, open the plate in deposit storehouse behind the stove by operating personnel's Long-distance Control behind the stove, the beginning blanking.The lowest order height of blanking chute is lower than a tapping ladle upper edge height, owing to be to connect with steel pin between blanking chute and the tremie pipe, when electric furnace preparation tapping ladle entered station, ladle can lift chute automatically, can not influence the station of going into of ladle.
Can interfere with the blanking chute when buggy ladle can be left station after electric furnace steel tapping finishes.Signal is chain because the lifting control of blanking chute and electric furnace steel tapping finish, so at this moment the blanking chute can be mentioned automatically, treat that ladle is left station after, the blanking chute is fallen automatically.When electric furnace was safeguarded the tapping eye, this moment, tiltedly tremie pipe can screw out automatically, and tapping eye upkeep operation is finished automatic cycle.
Claims (1)
1. one kind is used for the device that electric furnace steel tapping adds alloy, comprise the one-level storage bin, the below of one-level storage bin arranges the weighing dolly, on the weighing dolly hopper is set, hopper is divided into and is deposited pipe material, it is characterized in that blanking pipeline below arranges the secondary storage bin, the below of secondary storage bin arranges secondary blanking pipeline, the below of secondary blanking pipeline arranges the blanking inclined tube, and the below of blanking inclined tube arranges the blanking chute, and the blanking chute arranges controlling organization; Described controlling organization is made up of hoisting mechanism and rotating mechanism, hoisting mechanism is made up of Electrohydraulic push rod, fixed pulley, steel wire rope, supporting seat lever, connection lever, connecting rod, Electrohydraulic push rod passes through steel wire rope, fixed pulley is connected with supporting seat lever one end, the supporting seat lever other end by steel wire rope be connected lever one end and connect, connect the lever other end and be connected with blanking chute connecting rod, the blanking chute is connected by bearing pin with the blanking inclined tube; Rotating mechanism is by needle roller and thrust cylindrical roller combination bearing, cylindrical roller bearing, gear wheel, gear motor, form near limit switch, stream pipe supporting seat; The stream pipe is supported by needle roller and thrust cylindrical roller combination bearing, the radial load of stream pipe is by needle roller and thrust cylindrical roller combination bearing and cylindrical roller bearings, gear wheel, limited block are installed on the stream pipe, gear motor, are installed on the stream pipe supporting seat near limit switch; Drive the rotation of stream pipe by gear motor by gear drive, by controlling the anglec of rotation near limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200994874U CN203216279U (en) | 2013-03-05 | 2013-03-05 | Device used for adding alloy in steel tapping process of electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200994874U CN203216279U (en) | 2013-03-05 | 2013-03-05 | Device used for adding alloy in steel tapping process of electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203216279U true CN203216279U (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200994874U Expired - Fee Related CN203216279U (en) | 2013-03-05 | 2013-03-05 | Device used for adding alloy in steel tapping process of electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203216279U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955236A (en) * | 2018-08-31 | 2018-12-07 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | A kind of mineral hot furnace charging lift drive mechanism and feeding device |
| CN109484822A (en) * | 2018-11-19 | 2019-03-19 | 吉林建龙钢铁有限责任公司 | A kind of ladle pouring station and its continuous dosing device |
| CN112728944A (en) * | 2021-01-26 | 2021-04-30 | 中冶赛迪工程技术股份有限公司 | Automatic start-stop type electric furnace feeding device |
| CN113897473A (en) * | 2021-08-20 | 2022-01-07 | 江阴兴澄特种钢铁有限公司 | Control device and method for alloy adding speed of electric furnace EBT steel tapping feeding pipe |
-
2013
- 2013-03-05 CN CN2013200994874U patent/CN203216279U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955236A (en) * | 2018-08-31 | 2018-12-07 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | A kind of mineral hot furnace charging lift drive mechanism and feeding device |
| CN109484822A (en) * | 2018-11-19 | 2019-03-19 | 吉林建龙钢铁有限责任公司 | A kind of ladle pouring station and its continuous dosing device |
| CN112728944A (en) * | 2021-01-26 | 2021-04-30 | 中冶赛迪工程技术股份有限公司 | Automatic start-stop type electric furnace feeding device |
| CN113897473A (en) * | 2021-08-20 | 2022-01-07 | 江阴兴澄特种钢铁有限公司 | Control device and method for alloy adding speed of electric furnace EBT steel tapping feeding pipe |
| CN113897473B (en) * | 2021-08-20 | 2023-03-07 | 江阴兴澄特种钢铁有限公司 | Control device and method for alloy adding speed of electric furnace EBT steel tapping feeding pipe |
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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: 20130925 Termination date: 20190305 |