CN114951622A - Online sealing device and method for steel ladle cover oxygen burning and sand filling observation hole - Google Patents
Online sealing device and method for steel ladle cover oxygen burning and sand filling observation hole Download PDFInfo
- Publication number
- CN114951622A CN114951622A CN202210644127.1A CN202210644127A CN114951622A CN 114951622 A CN114951622 A CN 114951622A CN 202210644127 A CN202210644127 A CN 202210644127A CN 114951622 A CN114951622 A CN 114951622A
- Authority
- CN
- China
- Prior art keywords
- ladle
- sand
- ladle cover
- oxygen
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004576 sand Substances 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 title claims abstract description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 22
- 239000001301 oxygen Substances 0.000 title claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 11
- 239000002893 slag Substances 0.000 claims description 9
- 230000008439 repair process Effects 0.000 claims description 8
- 239000011819 refractory material Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000009749 continuous casting Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention discloses an online sealing device and method for a steel ladle cover oxygen burning and sand filling observation hole, which comprises a steel ladle cover and a plurality of oxygen burning and sand filling observation holes on the steel ladle cover, wherein the oxygen burning and sand filling observation holes are provided with small ladle covers, two sides of each small ladle cover are connected with a first end of a connecting rod, a second end of each connecting rod is arranged on an overturning bracket, the overturning bracket is provided with an overturning rod and a fixing plate matched with the overturning rod for use, the fixing plate is provided with a through hole so that the overturning rod penetrates through the fixing plate to realize overturning, the fixing plate is welded with a base, and the middle part of the base is provided with a supporting rod vertical to the supporting rod for supporting the overturned small ladle cover; the three oxygen-burning sand-filling observation holes on the ladle cover are well sealed in the on-line operation process of the ladle, so that the aims of reducing temperature drop in the ladle process and reducing the influence of the smoke of the ladle on the environmental protection are fulfilled, and the steel ladle cover has good popularization and application values.
Description
Technical Field
The invention belongs to the technical field of blast furnace iron runner processes, and particularly relates to a ladle cover oxygen-burning sand-filling observation hole online sealing device and method.
Background
At present, in order to reduce the temperature drop in the ladle process, an interdigital ladle whole-process covering system is generally designed in a steel plant, and heat preservation and smoke pollution reduction are performed by covering the ladle. Because steel slag oxygen burning cleaning operation needs to be carried out on the inner part and the periphery of the upper nozzle and the upper part of the air brick after the steel ladle is offline, the corrosion of refractory materials and the residual condition of the steel slag in the steel ladle also need to be observed, and the drainage sand needs to be filled through holes in the ladle cover after the hot repair of the steel ladle is finished. Therefore, although the steel ladle is covered, the steel ladle cover is generally provided with 3 small oxygen-burning sand-filling observation holes, if the three holes are not covered in the steel ladle turnover process, particularly in the steel ladle strip steel water turnover process, the sealing effect of the steel ladle cover is greatly reduced, the heat insulation performance is reduced, the smoke overflow is serious, and great influence is still generated on the temperature drop and the environmental control in the steel ladle process.
Therefore, an online sealing device and method for a ladle cover oxygen burning and sand filling observation hole are needed.
Disclosure of Invention
The invention aims to provide an online sealing device and method for a ladle cover oxygen-burning sand-filling observation hole.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a ladle lid burns oxygen and irritates online sealing device of sand observation hole, includes that ladle lid and ladle cover go up a plurality of burn oxygen and irritate sand observation hole, and is a plurality of burn oxygen and irritate sand observation hole department and be equipped with the small bag lid, and the both sides of small bag lid are connected with the first end of connecting rod, and the second end of connecting rod is installed on the upset support, and the upset support is equipped with the trip bar and the fixed plate that uses with the trip bar cooperation, and the fixed plate is equipped with the through-hole to make the trip bar run through the fixed plate, realize the upset, the welding has the base on the fixed plate, and the middle part of base is equipped with rather than the vertically bracing piece for support the small bag lid after the upset.
Specifically, the small bag cover is provided with an inner layer and an outer layer, and the outer layer is provided with a female buckle for sealing the small bag cover; the inner layer is made of light refractory material.
Specifically, a sub button matched with the female button for use is arranged around the oxygen burning and sand filling observation hole.
Specifically, the small bag cover is also provided with a handle.
A ladle cover oxygen burning sand filling observation hole online sealing method comprises the following steps:
1) when the ladle is subjected to slag pouring operation after the ladle is taken off from the continuous casting machine, the ladle is inclined downwards by 40 degrees, the small ladle cover automatically turns over to the supporting rod below the oxygen-burning sand-pouring observation hole under the action of self weight, and in the process of re-erecting the ladle after slag pouring, because the small ladle cover leans against the supporting rod after turning over and has a certain angle downwards, the gravity center of the small ladle cover is always downwards and cannot be turned over, and at the moment, the oxygen-burning sand-pouring observation hole is in an open state;
2) after the ladle arrives at the hot repair position, the small ladle cover is still in an open state, sand is poured on the sand pouring platform at the moment, and the sand pouring effect is observed;
3) after confirming that the sand filling is normal, hooking a handle of the small ladle cover by using a tool on the sand filling platform, turning the small ladle cover over to enable the female buckle of the small ladle cover to be combined, and sealing the steel ladle and then putting the steel ladle on line;
4) the ladle is from hanging off the hot repair position and beginning, and the small ladle lid is in encapsulated situation, and until the ladle pouring finishes, the off-line deslagging in-process, the small ladle lid relies on the dead weight to open again, gets into next circulation.
The invention has the following beneficial effects: the three oxygen-burning sand-filling observation holes on the ladle cover are well sealed in the on-line operation process of the ladle, so that the aims of reducing temperature drop in the ladle process and reducing the influence of the smoke of the ladle on the environmental protection are fulfilled, and the steel ladle cover has good popularization and application values.
Drawings
Fig. 1 is a structural schematic diagram (one) of a ladle cover oxygen-burning sand-filling observation hole online sealing device.
Fig. 2 is a structural schematic diagram (II) of the ladle cover oxygen-burning sand-filling observation hole online sealing device.
In the figure: 1-steel ladle cover; 2-covering the small bag; 3-a connecting rod; 4-overturning bracket, 41-overturning rod and 42-fixing plate; 5-a base; 6-support rods; 7-female buckle; 8-buckling; 9-handle.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, an online sealing device for a steel ladle cover oxygen-burning sand-filling observation hole comprises a steel ladle cover 1 and a plurality of oxygen-burning sand-filling observation holes on the steel ladle cover 1, wherein a small ladle cover 2 is arranged at the oxygen-burning sand-filling observation hole, two sides of the small ladle cover 2 are connected with a first end of a connecting rod 3, a second end of the connecting rod 3 is arranged on an overturning support 4, the overturning support 4 is provided with an overturning rod 41 and a fixing plate 42 matched with the overturning rod 41 for use, the fixing plate 42 is provided with a through hole so that the overturning rod 41 penetrates through the fixing plate to realize overturning, a base 5 is welded on the fixing plate 42, and a support rod 6 perpendicular to the base 5 is arranged in the middle of the base 5 and used for supporting the overturned small ladle cover 2.
The small bag cover 2 is provided with an inner layer and an outer layer, and the outer layer is provided with a female buckle 7 for sealing the small bag cover 2; a secondary buckle 8 matched with the primary buckle 7 for use is arranged around the oxygen burning and sand filling observation hole; the inner layer is made of light refractory material; the small bag cover 2 is also provided with a handle 9.
A ladle cover oxygen burning sand filling observation hole online sealing method comprises the following steps:
1) selecting a light high-temperature anti-drop refractory material, designing a light small ladle cover 2 consisting of a steel shell, anchoring nails and the light refractory material according to the size of an oxygen-burning sand-filling observation hole, designing a female buckle 7 with a circular seam hollowed-out snap buckle on the outer layer of the small ladle cover 2, and performing efficient sealing; the inner layer of the small ladle cover 2 is a solid structure made of light refractory materials and used for covering. The small bag cover 2 is provided with a turning support 4, and the small bag cover 2 is also provided with a turning handle 9 which can be hooked by a special tool and can be smoothly separated from the small bag cover after being turned.
2) A shallow edge sub-buckle 8 ring matched with a female buckle 7 of a small bag cover 2 is designed around a steel ladle cover oxygen burning and sand filling observation hole, and a fixing base 5 matched with the overturning bracket 4 is designed at a position below the oxygen burning and sand filling observation hole when slag is poured into the steel ladle cover. A small bag cover turning support rod 6 is arranged at a proper position away from the fixed base 5. In addition, a special tool, such as a long hook, is manufactured on the ladle sand filling platform, the special tool can be manually held to hook the small ladle cover turning handle, the small ladle cover turns over to cover the oxygen-burning sand filling observation hole, and then the special tool can be smoothly separated from the turning handle 9.
3) When the ladle is subjected to slag pouring operation after being taken off from the continuous casting machine, the ladle edge can be inclined downwards by about 40 degrees, and the three small ladle covers 2 are automatically turned over to the support rod 6 below the oxygen burning and sand pouring observation hole under the action of self weight through the turning support 4; after the slag is poured into the ladle, the ladle is erected again, the ladle cover 2 leans on the supporting rod 6 of the ladle cover 2 after being turned, a certain angle is formed downwards, the gravity center of the ladle cover 2 is downward all the time, the ladle cover 2 cannot be turned back, and the ladle cover 2 on the ladle cover leans on the supporting rod 6 until the ladle is repaired, so that the oxygen-burning sand-filling observation hole is always in an open state.
4) And (3) carrying out hot repair on the steel ladle to a hot repair position, replacing the nozzle slide plate, completely cleaning the nozzle and the air brick by oxygen combustion, checking the ladle lining, and then treating the open state of the small ladle cover when the steel ladle is erected again, wherein an operator can normally pour sand from the sand pouring platform and normally observe the sand pouring effect.
5) After confirming that the sand is filled normally, an operator hooks the overturning handle 9 of the small ladle cover by a special tool from the sand filling platform, and overturns the three small ladle covers 2, so that the female buckle 7 of the small ladle cover is buckled with the male buckle on the steel ladle cover 1, the steel ladle cover 1 forms a tightly sealed whole, and the steel ladle has the on-line condition.
6) The ladle is from hanging hot repair position and beginning, no matter the ladle lid is on the interdigital takes off the lid machine or on the ladle, and little ladle lid 2 all is in encapsulated situation always, and until the ladle pouring finishes, the sediment in-process that falls off the production line, little ladle lid 2 relies on the dead weight to open again, gets into circulation next time.
The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (5)
1. The utility model provides a ladle cover burns oxygen and irritates online sealing device of sand observation hole, its characterized in that, including ladle cover and a plurality of sand observation hole are irritated to burning oxygen that the ladle covers, it is a plurality of burn oxygen and irritate sand observation hole department and be equipped with the small ladle cover, and the both sides of small ladle cover are connected with the first end of connecting rod, and the second end of connecting rod is installed on the upset support, and the upset support is equipped with the trip bar and the fixed plate that uses with the trip bar cooperation, and the fixed plate is equipped with the through-hole to make the trip bar run through the fixed plate, realize the upset, the welding has the base on the fixed plate, and the middle part of base is equipped with rather than the vertically bracing piece for support the small ladle cover after the upset.
2. The ladle cover oxygen-burning sand-filling observation hole online sealing device as claimed in claim 1, wherein the ladle cover is provided with an inner layer and an outer layer, the outer layer is provided with a female buckle for sealing the ladle cover; the inner layer is made of light refractory material.
3. The ladle cover oxygen-burning sand-filling observation hole on-line sealing device as claimed in claim 1, wherein a male button used in cooperation with a female button is arranged around the oxygen-burning sand-filling observation hole.
4. The ladle cover oxygen-burning sand-filling observation hole on-line sealing device as claimed in claim 1, wherein the ladle cover is further provided with a handle.
5. A ladle cover oxygen burning sand filling observation hole online sealing method is characterized by comprising the following steps:
1) when the ladle is subjected to slag pouring operation after the ladle is taken off from the continuous casting machine, the ladle is inclined downwards by 40 degrees, the small ladle cover automatically turns over to the supporting rod below the oxygen-burning sand-pouring observation hole under the action of self weight, and in the process of re-erecting the ladle after slag pouring, because the small ladle cover leans against the supporting rod after turning over and has a certain angle downwards, the gravity center of the small ladle cover is always downwards and cannot be turned over, and at the moment, the oxygen-burning sand-pouring observation hole is in an open state;
2) after the ladle arrives at the hot repair position, the small ladle cover is still in an open state, sand is poured on the sand pouring platform at the moment, and the sand pouring effect is observed;
3) after confirming that the sand filling is normal, hooking a handle of the small ladle cover by using a tool on the sand filling platform, turning the small ladle cover over to enable the female buckle of the small ladle cover to be combined, and sealing the steel ladle and then putting the steel ladle on line;
4) the ladle is from hanging off the hot repair position and beginning, and the small ladle lid is in encapsulated situation, and until the ladle pouring finishes, the off-line deslagging in-process, the small ladle lid relies on the dead weight to open again, gets into next circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210644127.1A CN114951622A (en) | 2022-06-08 | 2022-06-08 | Online sealing device and method for steel ladle cover oxygen burning and sand filling observation hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210644127.1A CN114951622A (en) | 2022-06-08 | 2022-06-08 | Online sealing device and method for steel ladle cover oxygen burning and sand filling observation hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114951622A true CN114951622A (en) | 2022-08-30 |
Family
ID=82962537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210644127.1A Pending CN114951622A (en) | 2022-06-08 | 2022-06-08 | Online sealing device and method for steel ladle cover oxygen burning and sand filling observation hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114951622A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980028762U (en) * | 1996-11-25 | 1998-08-05 | 김종진 | Ladle thermal cover |
| CN206070159U (en) * | 2016-07-21 | 2017-04-05 | 天津金贝尔地毯有限公司 | Cloth drier |
| CN109822084A (en) * | 2019-04-01 | 2019-05-31 | 山东钢铁集团日照有限公司 | A method of improving ladle backpack cover heat insulation effect |
| CN112077295A (en) * | 2020-10-22 | 2020-12-15 | 山东钢铁股份有限公司 | Ladle cover nozzle repairing and sand filling device and using method thereof |
-
2022
- 2022-06-08 CN CN202210644127.1A patent/CN114951622A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980028762U (en) * | 1996-11-25 | 1998-08-05 | 김종진 | Ladle thermal cover |
| CN206070159U (en) * | 2016-07-21 | 2017-04-05 | 天津金贝尔地毯有限公司 | Cloth drier |
| CN109822084A (en) * | 2019-04-01 | 2019-05-31 | 山东钢铁集团日照有限公司 | A method of improving ladle backpack cover heat insulation effect |
| CN112077295A (en) * | 2020-10-22 | 2020-12-15 | 山东钢铁股份有限公司 | Ladle cover nozzle repairing and sand filling device and using method thereof |
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