CN211866562U - Covering slag changes sediment device - Google Patents
Covering slag changes sediment device Download PDFInfo
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- CN211866562U CN211866562U CN202020053865.5U CN202020053865U CN211866562U CN 211866562 U CN211866562 U CN 211866562U CN 202020053865 U CN202020053865 U CN 202020053865U CN 211866562 U CN211866562 U CN 211866562U
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Abstract
The utility model relates to a metallurgical industry technical field especially relates to a portable covering slag trades sediment device, and its technical scheme main points are: the mold comprises a slag changing rake, wherein one side of the slag changing rake is connected with a connecting rod, the end surface of the connecting rod is provided with a connecting hole, the connecting hole is used for connecting a long handle, the top surface of the slag changing rake is provided with a groove, the groove surface of the groove is provided with a plurality of slag guide holes, the groove is used for recovering agglomerated mold powder in a crystallizer, and the powdered mold powder flows back to the crystallizer from the slag guide holes. The utility model discloses a trade the separation of sediment harrow with caking covering slag and likepowder covering slag, trade the likepowder covering slag that the slag guiding hole of sediment harrow bottom flowed out and supply to the crystallizer in, ensured the continuous consumption of covering slag.
Description
Technical Field
The utility model relates to a metallurgical industry technical field especially relates to a portable covering slag trades sediment device.
Background
The mold flux of the crystallizer plays an important role in the continuous casting process, and is divided into a powder slag layer, a sintered layer and a liquid slag layer in the crystallizer. When the liquid slag layer adsorbs impurities to cause the mold powder to denature or the sintered layer to be excessively developed, a slag ring can be formed along the periphery of the inner wall of the crystallizer, a channel for meniscus liquid slag to flow downwards is blocked, and the liquid slag is difficult to enter an air gap between the wall of the crystallizer and the shell of the crystallizer, so that the lubrication and the heat transfer of a casting blank are influenced. The formation of slag rings, the agglomeration of casting powder or the over-thickness of a sintering layer indicates the change of the performance of the casting powder, and measures must be taken to treat the casting powder in time, so that the smoothness of a slag channel is kept, and the normal heat transfer and lubrication of the casting blank are ensured.
After the slag ring appears, slag is usually picked up through a slag picking rod, but the slag picking process can cause slag rolling and influence the quality of a cast blank. The best opportunity to deal with the problem of mold flux denaturation is therefore to take measures before the mold flux forms a slag ring, i.e. when the sintered layer is too thick or the mold flux is agglomerated.
SUMMERY OF THE UTILITY MODEL
Therefore, the device for changing the casting powder is needed to solve the problem that the existing equipment cannot change the casting powder in time before the casting powder forms a powder ring.
The utility model provides a covering slag trades sediment device for trade the sediment to the covering slag in the crystallizer, including trading the sediment harrow, it has connect the connecting rod to trade sediment harrow one side, open the terminal surface of connecting rod has the connecting hole, the connecting hole is used for connecting long handle, it is equipped with the recess to trade sediment harrow top surface, open the cell surface of recess has a plurality of slag guide holes, the recess is arranged in retrieving the covering slag of caking in the crystallizer, and likepowder covering slag is followed lead in the slag guide hole flows back to the crystallizer.
In one embodiment, the thickness of one end of the slag changing rake is larger than that of the other end, and the thickness of the slag changing rake decreases from the large end to the small end.
In one embodiment, the groove surface of the groove is an arc-shaped groove surface, and the arc surface is recessed from the edge of the groove to the middle.
In one embodiment, the connecting rod is arranged at one side of the slag changing rake close to one end with larger thickness of the slag changing rake.
In one embodiment, the aperture of the slag guide hole is 1mm-3 mm.
Above-mentioned covering slag trades sediment device through trading the sediment harrow with conglomeration covering slag and powdery covering slag separation, in the recess of trading the sediment harrow was stayed to conglomeration covering slag, powdery covering slag flowed out through the slag guiding hole of trading sediment harrow bottom and supplyed in the crystallizer, has ensured the continuous consumption of covering slag.
Drawings
FIG. 1 is a schematic structural diagram in one embodiment;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken along the plane A-A in FIG. 2;
fig. 4 is a left side view of fig. 1.
In the figure: 1. changing a slag rake; 2. a connecting rod; 3. a long handle; 4. a groove; 5. and a slag guide hole.
Detailed Description
In one embodiment, as shown in fig. 2 and 4, a mold flux changing device for changing mold flux in a crystallizer comprises a mold flux changing rake 1, a connecting rod 2 is connected to one side of the mold flux changing rake 1, a connecting hole is formed in the end face of the connecting rod 2 and used for being connected with a long handle 3, a groove 4 is formed in the top face of the mold flux changing rake 1, a plurality of flux guiding holes 5 are formed in the groove face of the groove 4, the groove 4 is used for recycling agglomerated mold flux in the crystallizer, and powdery mold flux flows back into the crystallizer from the flux guiding holes 5.
The agglomerated mold flux is separated from the powdery mold flux through the slag changing rake 1, the agglomerated mold flux is left in the groove 4 of the slag changing rake 1, and the powdery mold flux flows out through the slag guide hole 5 at the bottom of the slag changing rake 1 and is supplemented into the crystallizer, so that the continuous consumption of the mold flux is ensured.
The working personnel operate the slag-changing harrow 1 by holding the long handle 3.
The slag changing rake 1 is made of refractory materials.
In one embodiment, as shown in fig. 3, the thickness of one end of the slag changing rake 1 is larger than that of the other end, and the thickness of the slag changing rake 1 is gradually reduced from the large end to the small end.
The thickness of the slag changing harrow 1 is gradually reduced from 1 to 4 in the figure.
The shape of the rake 1 is like a water drop rotated ninety degrees.
In one embodiment, as shown in fig. 3, the groove surface of the groove 4 is an arc-shaped groove surface, and the arc-shaped surface is recessed from the edge of the groove 4 to the middle.
The groove 4 is formed in the slag changing rake 1, so that agglomerated mold flux can be loaded into the groove 4 when the slag changing rake 1 is used for picking slag, and the agglomerated mold flux can be conveniently taken out of the mold flux.
In one embodiment, as shown in fig. 1, the connecting rod 2 is arranged at a position on one side of the slag changing rake 1, which is close to one end of the slag changing rake 1 with larger thickness.
When the slag changing harrow 1 is used for picking slag, one end with small thickness is obliquely inserted into the slag layer of the agglomerated covering slag, and the agglomerated covering slag is fished up.
In one embodiment, as shown in fig. 2, the diameter of the slag guide hole 5 is 1mm-3 mm.
The casting powder is powdery and has small particle size, the aperture of the slag guide hole 5 is set to be 1mm-3mm, so that the casting powder can pass through the slag guide hole 5 and return to the casting powder of the crystallizer, and the agglomerated casting powder cannot pass through the slag guide hole 5 and is left in the groove 4.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a covering slag trades sediment device for trade the sediment to the covering slag in the crystallizer, its characterized in that: the mold comprises a slag changing rake, wherein one side of the slag changing rake is connected with a connecting rod, the end surface of the connecting rod is provided with a connecting hole, the connecting hole is used for connecting a long handle, the top surface of the slag changing rake is provided with a groove, the groove surface of the groove is provided with a plurality of slag guide holes, the groove is used for recovering agglomerated mold powder in a crystallizer, and the powdered mold powder flows back to the crystallizer from the slag guide holes.
2. The mold flux changing device according to claim 1, wherein: the thickness of one end of the slag changing harrow is larger than that of the other end, and the thickness of the slag changing harrow decreases from the large end to the small end.
3. The mold flux changing device according to claim 1, wherein: the groove surface of the groove is an arc-shaped groove surface, and the arc surface is sunken from the edge of the groove to the middle.
4. The mold flux changing device according to claim 2, characterized in that: the connecting rod is arranged at a position, close to one end with larger thickness, of one side of the slag changing rake.
5. The mold flux changing device according to claim 1, wherein: the aperture of the slag guide hole is 1mm-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020053865.5U CN211866562U (en) | 2020-01-11 | 2020-01-11 | Covering slag changes sediment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020053865.5U CN211866562U (en) | 2020-01-11 | 2020-01-11 | Covering slag changes sediment device |
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| Publication Number | Publication Date |
|---|---|
| CN211866562U true CN211866562U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020053865.5U Active CN211866562U (en) | 2020-01-11 | 2020-01-11 | Covering slag changes sediment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070456A (en) * | 2021-03-16 | 2021-07-06 | 广东韶钢松山股份有限公司 | Crystallizer covering slag changing device and crystallizer covering slag changing method |
-
2020
- 2020-01-11 CN CN202020053865.5U patent/CN211866562U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070456A (en) * | 2021-03-16 | 2021-07-06 | 广东韶钢松山股份有限公司 | Crystallizer covering slag changing device and crystallizer covering slag changing method |
| CN113070456B (en) * | 2021-03-16 | 2022-10-14 | 广东韶钢松山股份有限公司 | Crystallizer covering slag changing device and crystallizer covering slag changing method |
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