CN101543882B - Automatic ladle drainage device - Google Patents
Automatic ladle drainage device Download PDFInfo
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- CN101543882B CN101543882B CN2009101367464A CN200910136746A CN101543882B CN 101543882 B CN101543882 B CN 101543882B CN 2009101367464 A CN2009101367464 A CN 2009101367464A CN 200910136746 A CN200910136746 A CN 200910136746A CN 101543882 B CN101543882 B CN 101543882B
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- steel cylinder
- ladle
- automatic
- drainage device
- cylindrical shell
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Abstract
The present invention discloses an automatic ladle drainage device applied in a steel making system. The aim of the invention is to greatly reduce the dosage of draining sand, simplify the operating program and simultaneously obtain the purpose of automatic ladle drainage. The technical essential is that a circular barrel with a closed end is composed through inserting one circular cylinder into another circular cylinder with a larger diameter. The side surface of barrel body is provided with one or a plurality of side openings. Draining sand is filled in the barrel body. The side openings are closed by a sheet or a film with temperature of 40 DEG C to 1200 DEG C. In using, the automatic drainage device is inserted along the opening of ladle. Along with the erection of ladle, the draining sand in the barrel automatically fills the space in the filling pipe end and brick cup. The automatic ladle drainage device of the invention is suitable for the using of ladle in all technical conditions of steel making, and has the advantages of simple operation, dust pollution reduction, cost saving, shortened working procedure time, stable automatic drainage rate.
Description
Technical field
The present invention relates to a kind of ladle draining device that is applied in the steelmaking system.
Background technology
At present, steel mill both domestic and external generally adopts from the ladle the method for throwing in drainage sand in the ladle nozzle brick cup to reach the function of ladle automatic jet.The shortcoming of this kind method is that the waste of drainage sand is serious, and use amount is excessive, and produces a large amount of dust pollutions, and activity time is long, severe operational environment.
Chinese patent publication number: CN2700029Y; Open day: on 05 18th, 2005, the utility model name was called " ladle ladle canal drainage rod ", and this application case discloses a kind of ladle draining device, by loam cake, body, drainage material with go to the bottom and form cylindrical barred body; Loam cake and body are made by meltable thin slice shape sheet material, and loam cake and pipe diameter are suitable; Drainage material (drainage sand) is loaded in the body, goes to the bottom to be meltable film, and wrapping is in the body bottom.Insert from ladle nozzle during use.Though this utility model can prevent slag and stop up ladle canal, can not reach the purpose of automatic jet.Because between drainage rod and the mouth of a river, the pocket block certain slit or space must be arranged, molten steel flows into the slit and can cause the thickening of drainage sand sinter layer to deepen, and when beginning to pour into a mould, ferrostatic pressure is pressed and do not broken sinter layer, causes the ladle can not automatic jet.And in the today that steel quality is required improve day by day, the ladle automatic jet is the most basic requirement to drainage sand or drainage system, because if ladle can not automatic jet, just need to burn oxygen, can aggravate the secondary oxidation of molten steel, cause field trash to increase, thereby influenced steel quality, and increased the potential safety hazard of burning the oxygen operating personnel greatly, also can upset normal rhythm of production; The consuming cost of burning the oxygen pipe on the other hand is excellent high more a lot of than drainage.
Summary of the invention
The objective of the invention is both to reduce drainage sand consumption significantly, alleviate dust pollution, simplify procedures, shorten activity time.Can reach simultaneously the purpose of ladle automatic jet again.
Technical scheme of the present invention: automatic ladle drainage device, comprise cylindrical drum, the drainage sand in the cylindrical shell of end sealing, the meltable film of sealing end opening end, its middle cylinder body is made by the material that can be fused to molten steel; It is characterized in that cylindrical shell is to be inserted by the slightly different cylinders of two diameters to connect and compose, overlapping the position is that 40 ℃～1200 ℃ binding bonding is fixed with serviceability temperature, perhaps is 40 ℃～1200 ℃ metal solder with fusing point; There are one or more side openings the cylindrical shell side, and the side opening serviceability temperature is 40 ℃～1200 ℃ thin slice or membrane sealed.
During use, sealing end forward, side opening upwards inserts in the bag along the ladle nozzle level, closes the mouth of a river; Be used for the thin slice of closed cylinder side opening or film melted by heat this moment, along with holding up of ladle, the drainage sand in the device flows out along side opening, and slit, the space between brick cup, the mouth of a river and the device entered in filling; When ladle begins to pour into a mould, open slide gate nozzle, the meltable film that be used for the closed cylinder end opening this moment is melted by heat, and the drainage sand flow in the tube goes out, and in the outer drainage sand of tube flows backwards into tube along side opening again, and flows out; The drainage sand that contact with molten steel this moment is sintering, forms sinter layer, and empty below the sinter layer, sinter layer begins distortion under the effect of ferrostatic pressure; The binding that connects two cylinders has lost cementation because of being subjected to temperatures involved, two steel cylinders have become the piston structure that can slide relatively, a top steel cylinder another steel cylinder below further insertion of the downward distortion of sinter layer, and sinter layer is not played any supporting role; When the sinter layer distortion acquired a certain degree, sinter layer broke, and molten steel flows out, and formed automatic jet.
Above-mentioned automatic ladle drainage device, cylindrical shell can be inserted by two slightly different polygon tubes of diameter and connect and compose.
Above-mentioned automatic ladle drainage device, side opening can be the holes of one or more arbitrary shapes, and wherein the area of independent maximum side opening is greater than 3mm
2, can flow out smoothly to guarantee drainage sand.
Above-mentioned automatic ladle drainage device, steel cylinder side opening far-end should can fully be filled slit, the space between brick cup, the mouth of a river and the device to guarantee drainage sand greater than 200 millimeters from the distance of steel cylinder end opening.
Above-mentioned automatic ladle drainage device, cylindrical shell is made of last steel cylinder and following steel cylinder, is flexible connection between last steel cylinder and the following steel cylinder, thereby makes steel cylinder and following steel cylinder that each other displacement can take place; And have buckle structure between between last steel cylinder and the following steel cylinder, this buckle structure can guarantee that steel cylinder and following steel cylinder are unlikely to break away from when being subjected to displacement mutually.
Compared with prior art, the invention has the beneficial effects as follows:
1. the function that had both had the ladle automatic jet is compared with the method for throwing in drainage sand again, has saved drainage sand consumption more than 60 percent;
2. reduced significantly because of burning the secondary oxidation of steel that oxygen causes, reduced and burnt dust, the smoke pollution that oxygen produces;
3. operating personnel have been reduced because of burning the potential safety hazard that oxygen causes;
4. really shorten activity time, alleviated labor intensity of operating personnel, improved working environment;
Description of drawings
Fig. 1 is a structural representation of the present invention: 1. iron plate sealing end; 2. drainage sand; 3. descend steel cylinder; 4. go up steel cylinder; 5. side opening; 6. steel cylinder end opening.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
In the accompanying drawing, the present invention is by iron plate sealing end 1, drainage sand 2, and following steel cylinder 3, last steel cylinder 4 is with the side opening 5 of plastic membrane sealing with steel cylinder end opening 6 formations of plastic membrane sealing; Last steel cylinder 4 inserts steel cylinder 3 down, with acrylic compounds binding bonding connection; Side opening 5 width 30mm, length 300mm.
Following steel cylinder 3 external diameters are convenient to insert than the little 2mm of ladle slide plate internal diameter; Last steel cylinder 4 external diameters are than the little 0.5mm of following steel cylinder 3 internal diameters; The spatial volume that spatial volume in the device should be surrounded near ladle upper slide, filling pipe end, pocket block with this length of calculating whole device, its objective is after drainage sand flow in the device goes out and fills up the following volume in plane on the brick cup as far as possible.
During use, sealing end forward, side opening upwards, insert in the bag along the ladle nozzle level, close the mouth of a river; Be used for the thin slice of closed cylinder side opening or film melted by heat this moment, along with holding up of ladle, the drainage sand in the device flows out along side opening, and slit, the space between brick cup, the mouth of a river and the device entered in filling; When ladle begins to pour into a mould, open slide gate nozzle, the meltable film that be used for the closed cylinder end opening this moment is melted by heat, and the drainage sand flow in the tube goes out, and in the outer drainage sand of tube flows backwards into tube along side opening again, and flows out; The drainage sand that contact with molten steel this moment is sintering, forms sinter layer, and empty below the sinter layer, sinter layer begins distortion under the effect of ferrostatic pressure; The binding that connects two cylinders has lost cementation because of being subjected to temperatures involved, two steel cylinders have become the piston structure that can slide relatively, a top steel cylinder another steel cylinder below further insertion of the downward distortion of sinter layer, and sinter layer is not played any supporting role; When the sinter layer distortion acquired a certain degree, sinter layer broke, and molten steel flows out, and formed automatic jet.
The side opening of one or more Any shape can also be opened in the steel cylinder side, its objective is drainage sand can be flowed out smoothly; Joint filling material can also replace with thin slice or the film of other serviceability temperatures at 40 ℃～1200 ℃.
In another embodiment of the present invention, between last steel cylinder 4 and the following steel cylinder 3 for flexibly connecting, thereby make steel cylinder 4 and following steel cylinder 3 that each other displacement can take place; And have buckle structure between between last steel cylinder 4 and the following steel cylinder 3, this buckle structure can guarantee that steel cylinder 4 and following steel cylinder 3 are unlikely to break away from when being subjected to displacement mutually.
Claims (4)
1. an automatic ladle drainage device comprises drainage sand, meltable film in cylindrical drum, the cylindrical shell, and cylindrical drum wherein is made of last steel cylinder and following steel cylinder, the end sealing of last steel cylinder, and the end opening end of following steel cylinder is by meltable membrane sealed; It is characterized in that cylindrical shell is to be inserted by slightly different last steel cylinder of diameter and following steel cylinder to connect and compose, overlapping the position is that 40 ℃～1200 ℃ binding bonds and fixes with serviceability temperature, perhaps is 40 ℃～1200 ℃ metal solder with fusing point; There are one or more side openings the cylindrical shell side, and the side opening serviceability temperature is 40 ℃～1200 ℃ thin slice or membrane sealed.
2. automatic ladle drainage device according to claim 1 is characterized in that, described side opening can be an arbitrary shape, and wherein the area of independent maximum side opening is greater than 3mm
2
3. automatic ladle drainage device according to claim 1 is characterized in that, described cylindrical shell also can be to be inserted by two slightly different polygon tubes of bore to connect and compose.
4. according to claim 2 or 3 described automatic ladle drainage devices, it is characterized in that, cylindrical shell is made of last steel cylinder and following steel cylinder, is above-mentioned bonding or the welding of flexible connection replacement between last steel cylinder and the following steel cylinder, thereby makes steel cylinder and following steel cylinder that each other displacement can take place; And have buckle structure between last steel cylinder and the following steel cylinder, this buckle structure can guarantee that steel cylinder and following steel cylinder are unlikely to break away from when being subjected to displacement mutually.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101367464A CN101543882B (en) | 2009-05-14 | 2009-05-14 | Automatic ladle drainage device |
| PCT/CN2010/071627 WO2010130172A1 (en) | 2009-05-14 | 2010-04-08 | Automatic drainage device for ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101367464A CN101543882B (en) | 2009-05-14 | 2009-05-14 | Automatic ladle drainage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101543882A CN101543882A (en) | 2009-09-30 |
| CN101543882B true CN101543882B (en) | 2011-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101367464A Active CN101543882B (en) | 2009-05-14 | 2009-05-14 | Automatic ladle drainage device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010130172A1 (en) * | 2009-05-14 | 2010-11-18 | Shi Hongshuai | Automatic drainage device for ladle |
| CN101762712B (en) * | 2009-10-28 | 2012-11-14 | 张琳 | Molten steel sample transporting cylinder |
| CN102033021A (en) * | 2010-10-22 | 2011-04-27 | 首钢总公司 | Testing method for quantifying sintering property of flow guiding sand |
| CN102974779B (en) * | 2012-11-03 | 2015-11-25 | 秦皇岛核诚镍业有限公司 | The vacuum casting method of ingot casting, exothermic mixture charging bucket used and cast vacuum chamber |
| CN108326274A (en) * | 2018-02-26 | 2018-07-27 | 首钢京唐钢铁联合有限责任公司 | A kind of process that ladle draining sand is added |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9106699U1 (en) * | 1990-08-24 | 1991-08-29 | Eko Stahl Ag, O-1220 Eisenhuettenstadt, De | |
| CN2700029Y (en) * | 2004-05-13 | 2005-05-18 | 伍洲旭 | Drainage rod for ladle canal |
| CN1712156A (en) * | 2005-06-17 | 2005-12-28 | 周宇明 | Armored fluidizing agent plug for casting runner and its arrangement |
| CN200963676Y (en) * | 2006-06-27 | 2007-10-24 | 宝山钢铁股份有限公司 | Automatic casting piston for ladle |
| CN101380675A (en) * | 2008-10-16 | 2009-03-11 | 周宇明 | Ladle nozzle casting conduction plug and use method thereof |
-
2009
- 2009-05-14 CN CN2009101367464A patent/CN101543882B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9106699U1 (en) * | 1990-08-24 | 1991-08-29 | Eko Stahl Ag, O-1220 Eisenhuettenstadt, De | |
| CN2700029Y (en) * | 2004-05-13 | 2005-05-18 | 伍洲旭 | Drainage rod for ladle canal |
| CN1712156A (en) * | 2005-06-17 | 2005-12-28 | 周宇明 | Armored fluidizing agent plug for casting runner and its arrangement |
| CN200963676Y (en) * | 2006-06-27 | 2007-10-24 | 宝山钢铁股份有限公司 | Automatic casting piston for ladle |
| CN101380675A (en) * | 2008-10-16 | 2009-03-11 | 周宇明 | Ladle nozzle casting conduction plug and use method thereof |
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| Publication number | Publication date |
|---|---|
| CN101543882A (en) | 2009-09-30 |
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