CN201436302U - Feeding device for ladle furnace - Google Patents
Feeding device for ladle furnace Download PDFInfo
- Publication number
- CN201436302U CN201436302U CN2009200749185U CN200920074918U CN201436302U CN 201436302 U CN201436302 U CN 201436302U CN 2009200749185 U CN2009200749185 U CN 2009200749185U CN 200920074918 U CN200920074918 U CN 200920074918U CN 201436302 U CN201436302 U CN 201436302U
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- Prior art keywords
- ladle furnace
- valve
- ladle
- charging
- charging chute
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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 feeding device for ladle furnace, comprising a charging opening, a first charging slot, a first valve, a weighing hopper, wherein the weighing hopper is connected with the first charging slot through the first valve, the first feeding slot is connected with the charging opening. The feeding device further comprises a feeder, a second charging slot, a vibration dispenser, a second valve, a hopper. The hopper is connected with a vibration dispenser through a second valve, the vibration dispenser is connected with the weighing hopper through the second charging slot, and the first charging slot is connected to the feeder through the charging opening. The device can solve the problem of easy stacking while feeding slag during the ladle furnace processing, shorten the processing time of the ladle furnace, increase the flexibility of the ladle furnace processing.
Description
Technical field
The present invention relates to make steel device, specifically, the present invention relates to a kind of distribution device of ladle furnace.
Background technology
Ladle furnace (LF stove) refinery practice is a kind of molten steel " secondary refining " technology that present steel industry extensively adopts, for the control liquid steel temperature, reduce sulphur content in the molten steel, regulate molten steel composition, improve the molten steel purity, time of satisfying converter operation and continuous casting working procedure mates etc. has vital role.In the ladle furnace refining process, in order to reach above purpose, and shorten the processing cycle as far as possible, and the assurance steel quality, adopt the mode at ladle top " heated by electrodes ", and be aided with ladle bottom " Argon stirring ", simultaneously add high basicity slag, form the slag of foamed to molten steel surface.The effect of slag in the ladle furnace treating processes is extremely important, the speed of its bubble level and foamy slag for the thermo-efficiency that improves ladle furnace, extending furnace lining life, minimizing consumption of electrode, shorten the treatment time, guarantee sweetening effectiveness, reduce inclusion content in the molten steel, improve the molten steel purity, to reduce aspect effects such as molten steel nitrogen pick-up remarkable.Therefore, handle the initial stage at ladle furnace, the slag that how to form high basicity has fast often determined the treatment effect of ladle furnace, and influences the ladle furnace processing cost simultaneously.
In traditional ladle furnace treatment unit, in order to absorb the flue gas that produces in the treating processes, the protection environment; and molten steel and atmospheric isolation are opened, prevented that " nitrogen " is adsorbed in the molten steel in the atmosphere, " bell " device is arranged above ladle; inner water flowing cooling, the bell side is connected with cleaning shaft.For the ease of rise fall of electrodes, " electrode hole " arranged on the bell, for reinforced convenient, other has " charging opening ", and the charging opening top links to each other with charging chute, hopper.
But there is following drawback in traditional distributing mode:
1, because the existence of equipment such as bell, electrode, limited the arrangement space of the feed way and the feeding device of ladle furnace, all slag charges and alloy all can only be from the charging opening inputs, and because space constraint can not be provided with other feeding devices in bell.The fusing that joins the slag charge on ladle surface then relies on the thermogenic action of electrode, and the mixing effect of " argon blowing brick " argon gas that is blown into by being arranged on ladle bottom.But handle the initial stage at ladle, because liquid steel temperature is low, ladle surface slag temperature drop is bigger, the crust that hardens easily, and the Argon mixing effect is relatively poor, can not fully stir the slag charge of adding;
2, the slag charge that need add has 4 tons approximately the ladle processing initial stage, disposablely adds fashionablely from charging opening, is deposited in molten steel surface easily, can not melt fully, has limited the formation of ladle furnace foamy slag greatly, has influenced the treatment effect of ladle furnace.And add fashionablely in batches, will prolong the ladle furnace treatment time, influence ladle furnace heat-up rate in early stage.
Owing to there is above defective, handle early stage at ladle furnace, the slag charge of adding is easy to pile up, and perhaps burn-off rate is slow, and the time that forms foamy slag is long, influences the ladle furnace treatment effect, prolongs the ladle furnace treatment time.Under the working condition of high rhythm, the long restricted link that often becomes full operation of the treatment time of ladle furnace.
In order to overcome under the existing ladle furnace feed way, slag charge is deposited in molten steel surface easily, can not be at the molten steel surface uniform distribution, burn-off rate is slower, the shortcoming that the slag making effect is bad, be necessary to invent a kind of ladle furnace distribution device, this device is independent of ladle furnace and handles the bell of station, electrode, device such as reinforced, before ladle furnace begins to handle, drop into the equally distributed slag charge of one deck to the ladle surface, help the ladle furnace initial stage of handling to form the ideal slag as early as possible, improve the treatment effect of ladle furnace.
Summary of the invention
The invention provides a kind of ladle furnace distribution device, comprise charging opening, first charging chute, first valve, weighing bucket, described weighing bucket is connected with described first charging chute through described first valve, described first charging chute is connected with described charging opening, it is characterized in that, also comprise distributor, second charging chute, shocking feeder, second valve, feed bin, described feed bin is connected with described shocking feeder through described second valve, described shocking feeder is connected with described weighing bucket through described second charging chute, and described first charging chute is connected with described distributor through described charging opening.
The present invention is beyond ladle furnace is handled station, other establishes an independently ladle furnace distribution device, comprise distributor, charging opening, first charging chute, first valve, weighing bucket, second charging chute, shocking feeder, second valve, feed bin, the annexation between each equipment is as follows:
Described feed bin is connected with described shocking feeder through described second valve, described shocking feeder is connected with described weighing bucket through described second charging chute, described weighing bucket is connected with described first charging chute through described first valve, and described first charging chute is connected with described distributor through described charging opening.
When needing to feed in raw material, shocking feeder starts, second valve open, and slag charge enters weighing bucket through second charging chute, when required slag charge reaches target value, second valve closes, shocking feeder stops, first valve open, slag charge are put into the ladle surface through first charging chute, distributor.
Bell is the tie that other all devices of ladle furnace connect, and main effect is that dust escapes when preventing to feed in raw material, and the protection environment has charging opening, dust removing tube road junction on the bell; The bell side is connected with " cleaning shaft ", is used for absorbing dust and the flue gas that reinforced process produces.
Beneficial effect of the present invention:
This device has changed the adding mode of slag charge in traditional ladle furnace treating processes, has the uniform characteristics of cloth, thereby can accelerate the slagging process in the ladle furnace processing, and concrete manifestation is as follows:
1, handles outside the station at traditional ladle furnace, increase a ladle furnace slag charge and drop into station, and can be as required, a plurality of furnace top bin are set, thereby input kind, ladle furnace slag charge investing method and the slag charge throwing device of ladle furnace slag charge have been expanded, after being convenient to slag charge investing method and device are improved, and all devices of traditional ladle furnace processing station are not all had influence;
2, the existence of distributor can effectively be evenly distributed in the slag charge of required input the surface of ladle, prevents that slag charge is deposited in the ladle surface, thereby accelerates slagging process, shortens the treatment time, favourablely reduces production costs, faster production rhythm;
3, newly-increased ladle furnace distribution device is arranged on the ladle furnace trolley track, next-door neighbour's ladle is handled station, like this, marching to ladle furnace at ladle handles in the process of station, rest in the ladle furnace slag charge and drop into station, drop into required slag charge, open again to ladle furnace and handle station, can drop to minimum the influence of activity time;
4, Xin Zeng ladle furnace distribution device can increase required feed bins such as heat preserving agent feed bin, charring rice husk feed bin as required, after the ladle furnace processing finishes, can add the insulation slag charge to the ladle surface very fast, has increased the handiness that ladle furnace is handled;
5, Xin Zeng ladle furnace distribution device, owing to do not have intensive thermal radiation and corrosion, no equipment which requires cooling, each equipment design is simple, and is easy to maintenance, and maintenance cost is lower.
Description of drawings
Fig. 1 is a ladle furnace distribution device synoptic diagram of the present invention, wherein 1-distributor, 2-charging opening, 3-first charging chute, 4-first valve, 5-weighing bucket, 6-second charging chute, 7-shocking feeder, 8-second valve, 9-feed bin;
Fig. 2 is the side sectional view of distributor among the present invention;
Fig. 3 is the upward view of distributor among the present invention.
Embodiment
Below for a more detailed description to the present invention in conjunction with the accompanying drawings with embodiment.These embodiment only are the descriptions to best mode for carrying out the invention, scope of the present invention are not had any restriction.
Embodiment:
The ladle furnace distribution device, comprise distributor (1), charging opening (2), first charging chute (3), first valve (4), weighing bucket (5), second charging chute (6), shocking feeder (7), second valve (8), feed bin (9), the annexation between each equipment is as follows:
Described feed bin (9) is connected with described shocking feeder (7) through described second valve (8), described shocking feeder (7) is connected with described weighing bucket (5) through described second charging chute (6), described weighing bucket (5) is connected with described first charging chute (3) through described first valve (4), and described first charging chute (3) is connected (as shown in Figure 1) through described charging opening (2) with described distributor (1).
When needing to feed in raw material, shocking feeder (7) starts, second valve (8) is opened, slag charge enters weighing bucket (5) through second charging chute (6), and when required slag charge reaches target value, second valve (8) is closed, shocking feeder (7) stops, first valve (4) is opened, and slag charge is put into the ladle surface through first charging chute (3), distributor (1).
This device can solve in the ladle furnace treating processes largely, and the shortcoming of piling up easily when slag charge drops into has shortened treatment time of ladle furnace, has increased the handiness that ladle furnace is handled.This device is not seen use at home and abroad, can promote the use of on ladle furnace equipment.
Claims (2)
1. ladle furnace distribution device, comprise charging opening (2), first charging chute (3), first valve (4), weighing bucket (5), described weighing bucket (5) is connected with described first charging chute (3) through described first valve (4), described first charging chute (3) is connected with described charging opening (2), it is characterized in that, also comprise distributor (1), second charging chute (6), shocking feeder (7), second valve (8), feed bin (9), described feed bin (9) is connected with described shocking feeder (7) through described second valve (8), described shocking feeder (7) is connected with described weighing bucket (5) through described second charging chute (6), and described first charging chute (3) is connected with described distributor (1) through described charging opening (2).
2. ladle furnace distribution device as claimed in claim 1 is characterized in that, the bore dia of described distributor is 2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200749185U CN201436302U (en) | 2009-07-20 | 2009-07-20 | Feeding device for ladle furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200749185U CN201436302U (en) | 2009-07-20 | 2009-07-20 | Feeding device for ladle furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201436302U true CN201436302U (en) | 2010-04-07 |
Family
ID=42372757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200749185U Expired - Fee Related CN201436302U (en) | 2009-07-20 | 2009-07-20 | Feeding device for ladle furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201436302U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070144A (en) * | 2014-07-10 | 2014-10-01 | 马钢(集团)控股有限公司 | Method for reducing falling slag of ladle and feeding device using same |
| CN109804090A (en) * | 2016-05-27 | 2019-05-24 | 西马克集团有限公司 | For detecting the device and method of the delivery rate of liquid material |
-
2009
- 2009-07-20 CN CN2009200749185U patent/CN201436302U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070144A (en) * | 2014-07-10 | 2014-10-01 | 马钢(集团)控股有限公司 | Method for reducing falling slag of ladle and feeding device using same |
| CN109804090A (en) * | 2016-05-27 | 2019-05-24 | 西马克集团有限公司 | For detecting the device and method of the delivery rate of liquid material |
| CN109804090B (en) * | 2016-05-27 | 2021-09-21 | 西马克集团有限公司 | Device and method for detecting the delivery rate of a liquid material |
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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: 20100407 Termination date: 20160720 |