CN220240047U - Integral mouth of a river centering device of pouring basket in middle of continuous casting - Google Patents
Integral mouth of a river centering device of pouring basket in middle of continuous casting Download PDFInfo
- Publication number
- CN220240047U CN220240047U CN202322036472.XU CN202322036472U CN220240047U CN 220240047 U CN220240047 U CN 220240047U CN 202322036472 U CN202322036472 U CN 202322036472U CN 220240047 U CN220240047 U CN 220240047U
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- CN
- China
- Prior art keywords
- fixing plate
- upper fixing
- water gap
- tundish
- centering
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000007665 sagging Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 10
- 239000010959 steel Substances 0.000 abstract description 10
- 239000004927 clay Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- 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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- Continuous Casting (AREA)
Abstract
The utility model provides a continuous casting tundish integral nozzle centering device which comprises an upper fixing plate, two nozzle positioning plates and a plurality of lower supporting plates, wherein the upper fixing plate is fixedly connected with the lower supporting plates; the middle parts of the upper fixing plate and the water gap positioning plate can be provided with mounting holes, and the centers of the mounting holes are positioned on the same straight line; a plurality of groups of adjustable connecting devices are axially arranged on the upper fixing plate around the mounting hole, the top of each adjustable connecting device is fixed with the bottom of the tundish, and the upper fixing plate is adjusted, positioned and fixed by the adjustable connecting devices; and when the adjustable connecting device adjusts the upper fixing plate to enable the whole centering device to be vertically arranged downwards and centered, the pointed direction of the plumb bob tip coincides with the center of the centering hole. The utility model has reasonable structural arrangement, can effectively assist the centering of the integral nozzle, and reduces the influence of steel leakage accidents and the surface quality of continuous casting billets.
Description
Technical Field
The utility model relates to the technical field of metal smelting, in particular to continuous casting production, and particularly relates to an integral type water gap centering device of a continuous casting tundish.
Background
During continuous casting production, molten steel is injected into a crystallizer from a tundish through a water gap, and under the cooling action of the crystallizer, the molten steel forms a solidified blank shell along the wall of a copper pipe of the crystallizer, and is continuously pulled downwards under the action of a withdrawal and straightening machine, so that the continuous casting process is completed in a circulating and reciprocating mode. The water gap adopted in continuous casting production is generally divided into a split water gap and an integral water gap, the split water gap can be adjusted and centered on line, but the combined part of the split water gap and a tundish is very easy to be sealed and not tight, the secondary oxidization of molten steel is caused by air suction, and the influence on the quality of the molten steel is large. The integral nozzle and the tundish are built into a whole, so that the problem of suction oxidation of molten steel can be effectively solved. When the integral nozzle is installed, an installer passes the nozzle through the brick cup, and confirms whether the nozzle is vertically centered or not according to the feel, so that the nozzle centering accuracy is poor. In addition, gaps among the water gap, the pocket block and the tundish are filled with refractory clay and the like to achieve the sealing effect, but the refractory clay and the like are required to be solidified, sometimes production is abnormal, the refractory clay cannot be completely solidified and then needs to be hung on a continuous casting pouring platform for baking, vibration and the like in the hanging process can influence the centering of the water gap, once the integral water gap is installed, the centering adjustment cannot be carried out again, the centering of the integral water gap and a crystallizer is influenced, molten steel bias flow is caused, a solidified blank shell is uneven, steel leakage accidents are extremely easy to occur, and the surface quality of a continuous casting blank is influenced.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to overcome the defects of the prior art, the utility model provides the integral nozzle centering device of the continuous casting tundish, which can effectively assist the integral nozzle centering and reduce the steel leakage accidents and the influence on the surface quality of a continuous casting billet.
The technical scheme adopted for solving the technical problems is as follows: an integral nozzle centering device of a continuous casting tundish comprises an upper fixing plate, two nozzle positioning plates and a plurality of lower supporting plates; the middle parts of the upper fixing plate and the two water gap positioning plates can be provided with mounting holes for the integral water gap to pass through, and the centers of the mounting holes are positioned on the same straight line; the lower supporting plate is used for sequentially positioning and fixing the upper fixing plate and the two water gap positioning plates from top to bottom; the upper fixing plate is axially provided with a plurality of groups of adjustable connecting devices around the mounting hole, the top of the adjustable connecting devices is fixed with the bottom of the tundish, and the upper fixing plate is adjusted, positioned and fixed by the adjustable connecting devices; the upper fixing plate is hung with a plumb, the lower end of the plumb is provided with a tip, the water gap locating plate close to the upper fixing plate is provided with a locating ring corresponding to the plumb sagging position, the locating ring is internally provided with a centering hole, and when the upper fixing plate is adjusted by the adjustable connecting device so that the centering device is vertically downwards arranged and centered, the tip of the plumb points to coincide with the center of the centering hole.
In the scheme, the positions of the upper fixing plate and the two water gap locating plates are reasonably designed, the positions of the upper fixing plate are adjusted by the adjustable connecting device, the top of the adjustable connecting device is positioned by the tundish, in use, whether the plumb and the centering hole are centered or not can be observed in real time, the centering of the device is adjusted by adjusting the adjustable connecting device, the tundish water gap is filled under the premise of centering the device, and the centering problem of the water gap in the installation process is solved.
Furthermore, the lower support plate takes the central connecting line of the mounting hole as the central line and is distributed in radial equiangular degree.
Preferably, the lower support plates distributed radially and equiangularly are adopted, the number of the lower support plates is four, an included angle of 90 degrees is formed between two adjacent lower support plates, and the vertical length of each lower support plate is 2/3 of the length of the protruding ladle bottom of the integral water gap of the tundish.
Furthermore, the upper fixing plate is of an I-shaped structure, the mounting hole of the upper fixing plate is positioned at the center of the vertical line position of the I-shaped structure, and the adjustable connecting devices are respectively arranged at the four corners of the I-shaped structure.
Preferably, the adjustable connection means may be realized by means of mounting holes in cooperation with bolts and nuts. The upper fixing plate is axially and respectively provided with an adjusting hole around the mounting hole, each group of adjustable connecting devices respectively comprises a bolt and two nuts, each adjusting hole is internally provided with a bolt, the bolts correspond to the nuts on the upper side and the lower side of the upper fixing plate, the nuts on the upper side and the lower side are in threaded connection, so that the upper fixing plate is fixed relative to the bolts in a positioning manner, and the tops of the bolts are fixed with the tundish bottom protection. The plane direction of the upper fixing plate can be adjusted by adjusting the position of the nut at each adjusting hole, so that the position of the whole centering device can be adjusted, and the adjustment can be observed in real time.
In order to effectively guide the position of the integral water gap of the tundish, the diameters of the mounting holes of the upper fixing plate and the two water gap locating plates are corresponding to the outer diameter of the integral water gap of the tundish, and are 1-2mm larger than the outer diameter of the integral water gap of the tundish at the corresponding position. The external diameter of the mounting hole is slightly larger than that of the whole water gap of the tundish, so that the water gap can be conveniently installed in a descending mode, the water gap can be clamped at a proper position, and meanwhile, the external diameter gap is controlled in a proper smaller range, and excessive errors cannot be caused in the whole centering.
The integral type nozzle centering device for the continuous casting tundish has the beneficial effects that the integral type nozzle centering device for the continuous casting tundish is reasonable in structural arrangement, can effectively assist in centering of the integral nozzle, reduces the influence of steel leakage accidents and surface quality of continuous casting blanks, can be detached after the refractory mortar is completely solidified at the tundish nozzle masonry position, and can be detached before the refractory mortar is not completely solidified to hang the tundish on a continuous casting pouring platform for air suction baking of the nozzle, so that the problem of misalignment of the integral nozzle caused by vibration in the lifting process is solved.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a perspective view of a preferred embodiment of the present utility model.
Fig. 2 is a front view of a preferred embodiment of the present utility model.
Fig. 3 is a side view of a preferred embodiment of the present utility model.
Fig. 4 is a top view of a preferred embodiment of the present utility model.
Fig. 5 is a schematic view of the present utility model with an integral nozzle installed.
In the figure, 1, an upper fixing plate 2, a water gap locating plate 3, a lower supporting plate 4, a plumb 5, a centering hole 6, a locating ring 7, a mounting hole 8, an integral water gap 9, an adjusting hole 10, a bolt 11 and a nut.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only those features which are relevant to the utility model, and orientation and reference (e.g., up, down, left, right, etc.) may be used solely to aid in the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
An integral nozzle centering device of a continuous casting tundish shown in fig. 1 to 4 is a preferred embodiment of the present utility model. The centering device comprises an upper fixing plate 1, two water gap positioning plates 2 and four lower support plates 3.
The middle parts of the upper fixing plate 1 and the two water gap positioning plates 2 can be provided with mounting holes 7 for the integral water gap to pass through, and the centers of the mounting holes 7 are positioned on the same straight line. The lower supporting plate 3 sequentially positions and fixes the upper fixing plate 1 and the two water gap positioning plates 2 from top to bottom. Specifically, the number of the lower support plates 3 is four, the central connecting line of the mounting holes 7 is taken as a central line, the radial equiangular distribution is realized, an included angle of 90 degrees is formed between two adjacent lower support plates 3, and the vertical length of each lower support plate 3 is 2/3 of the length of the protruding ladle bottom of the integral water gap of the tundish. In practical production design, the upper fixing plate 1, the water gap locating plate 2 and the lower supporting plate 3 are fixed by a push-pull method.
A plurality of groups of adjustable connecting devices are respectively arranged on the upper fixed plate 1 around the mounting hole 7 in the axial direction. The upper fixing plate 1 is of an I-shaped structure, the mounting hole 7 of the upper fixing plate 1 is positioned at the center of the vertical line position of the I-shaped structure, and the adjustable connecting devices are respectively arranged at the four corners of the I-shaped structure. The plumb 4 is hoisted on the lower end face of the upper fixing plate 1, the lower end of the plumb 4 is provided with a tip, the water gap locating plate 2 which is close to the upper fixing plate 1 is provided with a locating ring 6 corresponding to the sagging position of the plumb 4, a centering hole 5 is formed in the locating ring 6, and when the adjustable connecting device adjusts the upper fixing plate 1 to enable the whole centering device to be vertically downwards arranged and centered, the tip pointing direction of the plumb 4 coincides with the center of the centering hole 5.
In the present embodiment, the centering position adjustment for the centering device body is achieved by adjusting the plane direction of the upper fixing plate 1. Because the lower supporting plate 3 and the water gap locating plate 2 are directly fixed with the upper fixing plate 1, the upper locating plate is subjected to position adjustment, and the whole centering device is driven to be adjusted synchronously. The specific adjustment mode is to adjust through an adjustable connecting device. Specifically, the upper fixing plate 1 is axially and respectively provided with an adjusting hole 9 around the mounting hole 7, each group of adjustable connecting devices respectively comprises a bolt 10 and two nuts 11, each mounting hole 7 is internally provided with a bolt 10, the upper side surface and the lower side surface of the bolt 10 corresponding to the upper fixing plate 1 are respectively in threaded connection with the nuts 11, the nuts 11 on the upper side and the lower side are relatively screwed up so that the upper fixing plate 1 is positioned and fixed relative to the bolts 10, and the top of the bolts 10 is fixed with the tundish bottom protection. In this embodiment, for the i-shaped structure of the upper fixing plate 1, the welding positions of the heads of the bolts 10 must be arranged around the mounting holes 7 of the tundish reserved mounting integral nozzle 8, and are in one-to-one correspondence with the upper fixing plate 1, and it is ensured that the intersection points of diagonal connecting lines of the welding positions of the bolts 10 coincide with the center of the circle of the round hole of the tundish reserved mounting integral nozzle. By adjusting the position of the nut 11 at each adjusting hole 9, the corresponding nuts 11 are screwed from the upper side and the lower side, and the position of the upper fixing plate can be adjusted at the position of the bolt 10, so that the plane direction of the upper fixing plate is adjusted, the position of the whole centering device is adjusted, and the adjustment can be observed in real time. When the device is wholly vertically centered downwards, the tip end at the lower part of the plumb is just overlapped with the center of the centering hole 5, so that whether the device is still in a vertically centered state after the fixing is finished can be confirmed, and the water gap is further ensured to be in the vertically centered state. If the center of the center hole 5 does not coincide with the tip of the lower vertical part, the eight nuts 11 on the upper fixing plate 1 need to be adjusted until the tip of the lower vertical part 4 coincides with the center of the ring.
In this embodiment, in order to effectively guide the position of the tundish integral nozzle, the diameters of the mounting holes 7 of the upper fixing plate 1 and the two nozzle locating plates 2 are corresponding to the outer diameter of the tundish integral nozzle, and are 1-2mm larger than the outer diameter of the tundish integral nozzle at the corresponding position. The outer diameter of the mounting hole 7 is slightly larger than that of the whole water gap of the tundish, so that the water gap can be conveniently installed in a descending mode, the water gap can be clamped at a proper position, and meanwhile, the outer diameter difference is controlled in a proper smaller range, and excessive errors cannot be caused in the whole centering.
When the water gap is installed, the integral water gap 8 passes through the water gap pocket brick, refractory clay is smeared at the bowl mouth part and downwards passes out of the tundish bottom, and sequentially enters the upper fixing plate 1 and the two water gap locating plates 2 of the device, as the water gap is a tubular structure with slightly larger upper diameter and slightly smaller lower diameter, the two locating plates can force the water gap to enter the vertical centering position along with the continuous descending of the water gap, and the water gap is clamped at a proper position, so that the integral water gap 8 is positioned at a proper position on the vertical and horizontal surfaces. And then continuously filling the refractory material of the tundish around the seat brick, and after the refractory clay and the refractory material of the tundish are completely dried, solidifying the water gap, the seat brick and the tundish into a whole, and immediately finishing the masonry of the tundish, so that the centering device can be dismounted. If the solidification time is insufficient, the pouring basket can be lifted to the continuous casting pouring platform, and the disassembly is completed before the pouring basket induced drafts and toasts the water gap, so that the water gap is always in a vertical centering state, and the problem of the misalignment of the whole water gap caused by vibration in the lifting process is solved.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. The utility model provides a continuous casting tundish integral mouth of a river centering device which characterized in that: comprises an upper fixing plate (1), two water gap locating plates (2) and a plurality of lower supporting plates (3);
the upper fixing plate (1) and the two water gap positioning plates (2) can be provided with mounting holes (7) for the integral water gap to pass through in the middle, and the centers of the mounting holes (7) are positioned on the same straight line;
the upper fixing plate (1) and the two water gap positioning plates (2) are sequentially positioned and fixed from top to bottom by the lower supporting plate (3);
a plurality of groups of adjustable connecting devices are axially arranged on the upper fixing plate (1) around the mounting holes (7), the top of each adjustable connecting device is fixed with the bottom of the tundish, and the upper fixing plate (1) is adjusted, positioned and fixed by the adjustable connecting devices;
the utility model discloses a vertical centering device for the water gap of the motor vehicle, including upper portion fixed plate (1) on hoist and mount have plumb (4), plumb (4) lower extreme has the pointed end, is close to upper portion fixed plate (1) mouth of a river locating plate (2) then be equipped with locating ring (6) corresponding plumb (4) sagging position, locating ring (6) in open have centering hole (5), when adjustable connecting device adjustment upper portion fixed plate (1) makes the whole vertical downward setting of centering device and centering, plumb (4) pointed end and centering hole (5) center coincidence.
2. A continuous casting tundish integrated nozzle alignment apparatus as claimed in claim 1, wherein: the lower support plate (3) takes the central connecting line of the mounting holes (7) as a central line and is distributed in radial equiangular degree.
3. A continuous casting tundish integral nozzle centering apparatus as claimed in claim 2, wherein: the number of the lower support plates (3) is four, an included angle of 90 degrees is formed between two adjacent lower support plates (3), and the vertical length of each lower support plate (3) is 2/3 of the length of the protruding ladle bottom of the integral water gap of the tundish.
4. A continuous casting tundish integrated nozzle alignment apparatus as claimed in claim 1, wherein: the upper fixing plate (1) is of an I-shaped structure, the mounting hole (7) of the upper fixing plate (1) is positioned at the center of the vertical line position of the I-shaped structure, and the adjustable connecting devices are respectively arranged at the four corners of the I-shaped structure.
5. A continuous casting tundish integrated nozzle alignment apparatus as claimed in claim 1, wherein: the upper fixing plate (1) on encircle mounting hole (7) axial and open respectively and have regulation hole (9), every group adjustable connection device includes bolt (10) and two nuts (11) respectively, all is equipped with bolt (10) in every regulation hole (9), bolt (10) correspond upper and lower both sides face of upper fixing plate (1) and all threaded connection have nut (11), upper and lower both sides nut (11) screw up relatively and make upper fixing plate (1) fixed for bolt (10) location, bolt (10) top and tundish bottom protection fixed.
6. A continuous casting tundish integrated nozzle alignment apparatus as claimed in claim 1, wherein: the diameters of the mounting holes (7) of the upper fixing plate (1) and the two water gap locating plates (2) are corresponding to the outer diameter of the integral water gap of the tundish, and are 1-2mm larger than the outer diameter of the integral water gap of the tundish at the corresponding position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322036472.XU CN220240047U (en) | 2023-07-31 | 2023-07-31 | Integral mouth of a river centering device of pouring basket in middle of continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322036472.XU CN220240047U (en) | 2023-07-31 | 2023-07-31 | Integral mouth of a river centering device of pouring basket in middle of continuous casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220240047U true CN220240047U (en) | 2023-12-26 |
Family
ID=89234400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322036472.XU Active CN220240047U (en) | 2023-07-31 | 2023-07-31 | Integral mouth of a river centering device of pouring basket in middle of continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220240047U (en) |
-
2023
- 2023-07-31 CN CN202322036472.XU patent/CN220240047U/en active Active
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