CN211101573U - Tundish with small steel amount - Google Patents
Tundish with small steel amount Download PDFInfo
- Publication number
- CN211101573U CN211101573U CN201920902019.3U CN201920902019U CN211101573U CN 211101573 U CN211101573 U CN 211101573U CN 201920902019 U CN201920902019 U CN 201920902019U CN 211101573 U CN211101573 U CN 211101573U
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- tundish
- steel
- discharge port
- ladle body
- ladle
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Abstract
The utility model relates to the technical field of billet continuous casting, in particular to a tundish with less steel amount, which solves the defect that the prior tundish in the prior art has higher steel amount, and comprises a ladle body, a ladle cover and an immersion nozzle, wherein the ladle body comprises a heat insulating layer, a pouring layer and a coating material layer, one side of the top of the ladle body is provided with a slag discharge port, one side of the ladle cover close to the slag discharge port is communicated with a protective sleeve, one side of the ladle cover far away from the slag discharge port is fixedly provided with an integral stopper rod, a slag baffle fixed with the ladle body is arranged between the protective sleeve and the integral stopper rod, the upper part of the slag baffle is provided with a steel water hole, the bottom of the ladle body is communicated with a tundish nozzle corresponding to the integral stopper rod, the upper end of the immersion nozzle is connected with a fixed sleeve plate, the thickness of the utility model changes the thickness of the layer to ensure that the tundish nozzle is the lowest, the two sides are gradually increased, and, the retention of the molten steel in the tundish is reduced.
Description
Technical Field
The utility model relates to a steel billet continuous casting technical field especially relates to a stay middle package that steel volume is few.
Background
The tundish is a refractory container used in short-flow steelmaking, firstly receives molten steel poured from a ladle, and then the molten steel is distributed to each crystallizer through a tundish nozzle, the tundish plays a great role in flow division, continuous pouring, pressure reduction, protection and impurity removal in the steelmaking process, and at present, the steel retaining amount of the existing tundish is high, the waste of the molten steel is easily caused, and the service life of the tundish is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the steel quantity of the existing tundish is higher in the prior art, and providing the tundish with less steel quantity.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a stay middle package that steel volume is few, includes inclusion and be built by contract and immersion nozzle, the inclusion includes the heat insulation layer, pours the layer, paints the bed of material, top one side of inclusion is provided with row cinder notch, one side intercommunication that the be close to row cinder notch on the be built by contract has the protection pipe box, and the be built by contract one side of keeping away from row cinder notch is fixed with whole stopper stick, be provided with the slag trap fixed with the inclusion between protection pipe box and the whole stopper stick, and the steel water hole has been seted up on the upper portion of slag trap, the bottom intercommunication of inclusion has the well package mouth of a river corresponding with whole stopper stick, the upper end of immersion nozzle is connected with fixed lagging, and sliding fit has the activity slide between fixed lagging and the well package mouth of a river, and activity slide and fixed lagging upper portion all are equipped with.
Preferably, an impact plate is arranged between the pouring layer and the daub layer and is positioned on the lower side of the protective pipe sleeve.
Preferably, the thickness of the pouring layer is gradually increased from the tundish nozzle to the side wall of the ladle body.
Preferably, the longitudinal section of the molten steel hole is a parallelogram, and the upper edge of the molten steel hole close to one side of the slag discharge port is lower than the lower edge of the molten steel hole far away from one side of the slag discharge port.
Preferably, the lower end of the slag trap is in sealing fit with the smearing material layer.
Preferably, still include the casing, well package mouth of a river and fixed lagging are all fixed inside the casing, the one end fixedly connected with of activity slide extends to the outside hydraulic push rod of casing.
The utility model has the advantages that:
1. the utility model discloses a thickness that the layer was pour in the change makes well package mouth of a river department minimum, and both sides increase gradually, have reduced the persistence of molten steel in the middle package.
2. The utility model discloses two upper and lower slag baffles have been replaced with a slag baffle, have practiced thrift the space, have also avoided the molten steel to preserve between two inter-plates to the steel volume of staying has been reduced.
Drawings
FIG. 1 is a schematic view of a tundish with a small amount of retained steel according to the present invention;
FIG. 2 is a schematic side view of a slag trap of a tundish with a small steel amount;
fig. 3 is a schematic structural diagram of a position a in fig. 1 of a tundish with a small steel amount.
In the figure: 1 heat insulating layer, 2 pouring layers, 3 paint layers, 4 slag outlets, 5 ladle covers, 6 protective pipe sleeves, 7 impact plates, 8 slag baffles, 9 steel water holes, 10 integral stopper rods, 11 tundish nozzles, 12 movable sliding plates, 13 fixed sleeve plates, 14 submerged nozzles, 15 shells and 16 hydraulic push rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a tundish with less steel remaining amount comprises a ladle body, a ladle cover 5 and an immersion type water gap 14, wherein the ladle body comprises a heat insulating layer 1, a pouring layer 2 and a coating material layer 3, a slag discharge port 4 is arranged on one side of the top of the ladle body, a protective sleeve 6 is communicated with one side, close to the slag discharge port 4, of the ladle cover 5, an integral stopper 10 is fixed on one side, away from the slag discharge port 4, of the ladle cover 5, a slag baffle 8 fixed with the ladle body is arranged between the protective sleeve 6 and the integral stopper 10, a steel water hole 9 is formed in the upper portion of the slag baffle 8, a tundish water gap 11 corresponding to the integral stopper 10 is communicated with the bottom of the ladle body, a fixed sleeve plate 13 is connected and matched with the upper end of the immersion type water gap 14 in an expanding mode, a movable sliding plate 12 is matched between the fixed sleeve plate 13 and the tundish 11, and through.
Specifically, an impact plate 7 is arranged between the pouring layer 2 and the daubing material layer 3, and the impact plate 7 is positioned right below the protective pipe sleeve 6.
The thickness of the pouring layer 2 is gradually increased from the tundish nozzle 11 to the side wall of the ladle body, so that the tundish nozzle 11 is lowest, two sides of the tundish nozzle are gradually increased, and the retention of molten steel in the tundish is reduced.
Specifically, the longitudinal section of the molten steel hole 9 is parallelogram, the upper edge of the molten steel hole 9 close to the slag discharge port 4 is lower than the lower edge of the molten steel hole far away from the slag discharge port 4, the lower end of the slag trap 8 is in sealing fit with the smearing material layer 3, the slag trap 8 replaces the traditional upper and lower plates, the space is saved, the molten steel is prevented from being reserved between the two plates, and the steel retaining quantity is reduced.
The tundish nozzle is characterized by further comprising a shell 15, the tundish nozzle 11 and the fixed sleeve plate 13 are fixed inside the shell 15, one end of the movable sliding plate 12 is fixedly connected with a hydraulic push rod 16 extending to the outside of the shell 15, and the hydraulic push rod is driven by a hydraulic system.
Example (b): a pouring pipe on a ladle extends into the ladle body through a protection pipe sleeve 6, molten steel is poured into the ladle body, floating slag and settled slag in the molten steel are blocked by a slag blocking plate 8, the molten steel flows through a molten steel hole 9, during pouring, a hydraulic push rod 16 drives a movable sliding plate 12 to move, so that a tundish nozzle 11 is communicated with an immersion nozzle 14, the molten steel flows out, a pouring gap is reserved, the hydraulic push rod 16 drives the movable sliding plate 12 to move, through holes in the tundish nozzle 11 and the movable sliding plate 12 are staggered, and pouring is suspended.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A tundish with less steel remaining amount comprises a ladle body, a ladle cover (5) and an immersion nozzle (14), and is characterized in that the ladle body comprises a heat insulating layer (1), a pouring layer (2) and a coating material layer (3), a slag discharge port (4) is arranged on one side of the top of the ladle body, a protective pipe sleeve (6) is communicated with one side, close to the slag discharge port (4), of the ladle cover (5), an integral stopper rod (10) is fixed on one side, far away from the slag discharge port (4), of the ladle cover (5), a slag baffle plate (8) fixed with the ladle body is arranged between the protective pipe sleeve (6) and the integral stopper rod (10), a steel water hole (9) is formed in the upper portion of the slag baffle plate (8), a tundish nozzle (11) corresponding to the integral stopper rod (10) is communicated with the bottom of the ladle body, a fixed sleeve plate (13) is connected to the upper end of the immersion nozzle (14), and a movable sliding plate (12) is arranged between the fixed sleeve plate (13) and, the upper parts of the movable sliding plate (12) and the fixed sleeve plate (13) are provided with through holes.
2. A tundish with a low steel content according to claim 1, characterised in that an impact plate (7) is arranged between the casting layer (2) and the precoat (3), and the impact plate (7) is located on the underside of the protective sleeve (6).
3. A tundish with low steel retention according to claim 1, characterised in that the thickness of the casting layer (2) is gradually increased from the tundish nozzle (11) to the side wall of the tundish body.
4. The tundish with less steel retention according to claim 1, wherein the longitudinal section of the molten steel hole (9) is parallelogram, and the upper edge of the molten steel hole (9) close to the slag discharge port (4) is lower than the lower edge of the molten steel hole far away from the slag discharge port (4).
5. A tundish with reduced steel retention according to claim 1, characterised in that the lower end of the skimming plate (8) is in sealing engagement with the precoat (3).
6. A tundish with less steel retained according to claim 1, further comprising a casing (15), wherein the tundish nozzle (11) and the fixed sleeve plate (13) are both fixed inside the casing (15), and one end of the movable sliding plate (12) is fixedly connected with a hydraulic push rod (16) extending to the outside of the casing (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902019.3U CN211101573U (en) | 2019-06-15 | 2019-06-15 | Tundish with small steel amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902019.3U CN211101573U (en) | 2019-06-15 | 2019-06-15 | Tundish with small steel amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211101573U true CN211101573U (en) | 2020-07-28 |
Family
ID=71708197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920902019.3U Active CN211101573U (en) | 2019-06-15 | 2019-06-15 | Tundish with small steel amount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211101573U (en) |
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2019
- 2019-06-15 CN CN201920902019.3U patent/CN211101573U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201224 Address after: 515561 Guangdong taidu iron and Steel Industry Co., Ltd., Changpu District, Honggang village, DIDU Town, Airport Economic Zone, Jieyang City, Guangdong Province Patentee after: Guangdong taidu iron and Steel Industry Co.,Ltd. Address before: No. 88, Pingshan County, Shijiazhuang City, Hebei Province, 050409 Patentee before: JINGYE STEEL Co.,Ltd. |
|
| TR01 | Transfer of patent right |