CN209998333U - Filtering flow divider for tundish - Google Patents
Filtering flow divider for tundish Download PDFInfo
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- CN209998333U CN209998333U CN201920354069.2U CN201920354069U CN209998333U CN 209998333 U CN209998333 U CN 209998333U CN 201920354069 U CN201920354069 U CN 201920354069U CN 209998333 U CN209998333 U CN 209998333U
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- tundish
- main body
- ladle
- cover plate
- main part
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Abstract
The utility model discloses a filtering flow divider for tundish, including the tundish main body, the top installation of tundish main body is fixed with the tundish cover plate, the intermediate position of tundish cover plate is provided with the long mouth of a river of ladle, the bottom of the long mouth of a river of ladle runs through the upper surface of tundish cover plate and places in the inside of tundish main body, the bottom of tundish main body is provided with the reposition of redundant personnel mechanism, the reposition of redundant personnel mechanism includes stopper rod, immersion nozzle, recess, reposition of redundant personnel hole and protection nestification, the bottom of stopper rod is provided with the chock plug and the surface that runs through the tundish cover plate places on the upside of immersion nozzle; the utility model discloses a through the recess make the inside both ends position of tundish main part than other places of tundish main part low, reduce the critical height of tundish main part steel liquid level, make things convenient for the molten steel can flow in the recess to reach and reduce the inside surplus and improvement molten steel yield of watering of tundish main part, thereby reduce casting cost and save raw materials, and improve reposition of redundant personnel efficiency and increase product quality.
Description
Technical Field
The utility model belongs to the technical field of the middle package, concretely relates to middle package is with filtering shunt.
Background
The tundish is refractory containers 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, and the steel is used as important basic raw materials and plays a very important role in economic development of various countries in the world.
When the conventional tundish is used, tundish slag can enter a crystallizer to influence the quality of a plate blank, even serious accidents of slag discharge and steel leakage can be caused, and the problem that the cost of plate blank continuous casting is increased due to the fact that more tundish casting residues are left, molten steel consumption is increased, and the molten steel yield of plate blank continuous casting is reduced, is solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a filtering flow divider is used to middle package to propose current middle package when using in solving above-mentioned background art, middle package sediment can get into the crystallizer and influence the slab quality, can cause the vicious accident of slag bleed-out even, and because middle package is watered remaining more, increased molten steel consumption, reduced the molten steel yield of slab continuous casting, thereby cause the problem that the cost of slab continuous casting risees.
In order to achieve the above object, the utility model provides a following technical scheme: the filtering flow divider for the tundish comprises a tundish main body, wherein a tundish cover plate is fixedly arranged at the top end of the tundish main body, a ladle long nozzle is arranged at the middle position of the tundish cover plate, the bottom end of the ladle long nozzle penetrates through the upper surface of the tundish cover plate and is placed inside the tundish main body, a flow dividing mechanism is arranged at the bottom end of the tundish main body and comprises a stopper rod, submersed nozzles, a groove, a flow dividing hole and a protective inner nesting sleeve, the stopper rod is symmetrically arranged inside the tundish main body, the top end of the stopper rod is connected with a driving device, the bottom end of the stopper rod is provided with a stopper head and penetrates through the surface of the tundish cover plate and is placed on the upper side of the submersed nozzles, the submersed nozzles are symmetrically arranged and fixed at the bottom end of the lower surface of the tundish main body, and the flow dividing hole is arranged inside the submersed nozzles and communicated with the inside, the top of the submerged nozzle is sleeved with a protective inner nesting sleeve, the grooves are symmetrically arranged on two sides of the bottom of the inner surface of the tundish main body, the inner surface of each groove is an inclined surface, and a buffer mechanism is arranged inside the tundish main body.
Preferably, buffer gear includes buffer board, water conservancy diversion hole and crossing reinforcing bar, the buffer board symmetry slope is fixed in the internal surface bottom position of middle package main part and is located the downside of ladle long nozzle, be provided with the impact pad and fix the internal surface bottom intermediate position in middle package main part under the ladle long nozzle, the impact pad is placed in the middle of two buffer boards, the inside of buffer board and the both sides that run through the buffer board are seted up to the water conservancy diversion hole symmetry, crossing reinforcing bar installation is fixed in the inside of buffer board.
Preferably, slag dams are symmetrically and fixedly arranged at the bottom end of the inner surface of the tundish main body, and reinforcing steel bars are filled in the slag dams.
Preferably, the bottom end of the inner part of the slag blocking dam is symmetrically provided with steel flowing holes and penetrates through two sides of the slag blocking dam.
Preferably, the outermost layer of the outer surface of the tundish body is provided with an aluminum silicate fiber felt heat insulation layer.
Preferably, lifting lugs are symmetrically installed and fixed on two sides of the tundish main body.
Preferably, the upper side of the tundish main body is connected with a ladle through a ladle shroud, and the end of the ladle shroud is connected with the other end of the ladle shroud and penetrates through the surface of the tundish cover plate to be placed inside the tundish main body.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a through the recess make the inside both ends position of tundish main part than other places of tundish main part low to reduced the critical height of tundish main part steel liquid level, made things convenient for the molten steel can flow in the recess, thereby reach and reduce the inside surplus and improvement molten steel yield of watering of tundish main part, thereby reduce pouring cost and save raw materials, and improve reposition of redundant personnel efficiency and increase product quality.
(2) The utility model discloses a crossing reinforcing bar installation is fixed in the inside of buffer board, help increasing the bearing capacity when buffer board slope is placed, and increase the life of buffer board, the molten steel passes through the ladle long nozzle and gets into the inside in-time of middle package main part, a large amount of kinetic energy of buffer effect consumption of rethread buffer board and impact pad, it is fast to reduce the inside molten steel inlet area molten steel zone area molten steel area of middle package main part, it strikes the energy of slag face to weaken the molten steel, make the dwell time extension of molten steel in the continuous casting middle package, be of value to the equal ization of molten steel composition and temperature, molten steel quality and casting blank quality have been improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic structural view of the region a in fig. 1 according to the present invention;
FIG. 3 is a schematic view of the front cross-sectional structure of the buffer plate of the present invention;
in the figure: 1. a tundish body; 2. a stopper rod; 3. a slag dam; 4. a buffer plate; 5. a ladle long nozzle; 6. a tundish cover plate; 7. an immersion nozzle; 8. a steel flowing hole; 9. a groove; 10. a shunt hole; 11. nesting in protection; 12. a flow guide hole; 13. crossed reinforcing steel bars.
Detailed Description
The technical solution 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 , but not all embodiments.
Please refer to fig. 1, fig. 2 and fig. 3, the utility model provides technical solutions, a filtering diverter for tundish, including tundish main body 1, tundish cover plate 6 is fixed on the top of tundish main body 1, the middle position of tundish cover plate 6 is provided with ladle long nozzle 5, the bottom of ladle long nozzle 5 runs through the upper surface of tundish cover plate 6 and is placed in the interior of tundish main body 1, the bottom of tundish main body 1 is provided with a diversion mechanism, the diversion mechanism includes stopper rod 2, submerged nozzle 7, groove 9, diversion hole 10 and protection inner nesting 11, stopper rod 2 is symmetrically installed and placed in the interior of tundish main body 1, the top of stopper rod 2 is connected with a driving device, the bottom of stopper rod 2 is provided with a stopper and runs through the surface of tundish cover plate 6 and is placed on the upper side of submerged nozzle 7, submerged nozzle 7 is symmetrically installed and fixed on the lower surface of tundish main body 1, diversion hole 10 is opened in the interior of submerged nozzle 7 and is communicated with the interior of tundish main body 1, the top of submerged nozzle 7 is sleeved with nesting yield 11, the recess 9 is symmetrically installed and is set on the bottom of tundish main body 1 and is set to reduce the inner surface of tundish and reduce the pouring molten steel pouring cost of tundish and reduce the pouring ladle, thereby the molten steel pouring main body and reduce the cost of molten steel pouring, the molten steel pouring.
In this embodiment, preferably, the buffer mechanism includes buffer plates 4, diversion holes 12 and crossed steel bars 13, the buffer plates 4 are symmetrically obliquely fixed at the bottom of the inner surface of the tundish main body 1 and are located at the lower side of the ladle shroud 5, impact pads are arranged right below the ladle shroud 5 and are fixed at the middle position of the bottom of the inner surface of the tundish main body 1, the impact pads are placed between the two buffer plates 4, the diversion holes 12 are symmetrically arranged in the buffer plates 4 and penetrate through the two sides of the buffer plates 4, the crossed steel bars 13 are installed and fixed in the buffer plates 4, which is helpful for increasing the bearing capacity when the buffer plates 4 are obliquely placed, and increasing the service life of the buffer plates 4, when molten steel enters the tundish main body 1 through the ladle shroud 5, a large amount of kinetic energy is consumed by the buffer effect of the buffer plates 4 and the impact pads, so as to reduce the speed of the molten steel in the inlet area of the tundish main body 1, and weaken the energy of the molten steel impacting the slag surface, so that the residence time in the continuous casting tundish is prolonged, which is beneficial to the homogenization of the composition and the.
In this embodiment, preferably, the bottom end of the inner surface of the tundish body 1 is symmetrically provided with the slag blocking dam 3, and the reinforcing steel bars are filled in the slag blocking dam 3, so that the durability of the slag blocking dam 3 is improved, and the slag blocking dam is prevented from being damaged in the hoisting and transporting process.
In this embodiment, preferably, the inner bottom end of the slag dam 3 is symmetrically provided with steel flowing holes 8 and penetrates through two sides of the slag dam 3, so that molten steel in the tundish body 1 can flow conveniently and steel slag can be blocked.
In this embodiment, preferably, an aluminum silicate fiber felt heat insulation layer is disposed on the outermost layer of the outer surface of the tundish body 1, so that the molten steel in the tundish body 1 can be conveniently insulated, and the tundish is low in heat conductivity and easy to build.
In this embodiment, preferably, lifting lugs are symmetrically installed and fixed on two sides of the tundish body 1, so that the tundish body 1 can be lifted, moved and transported conveniently by the lifting lugs.
In this embodiment, preferably, the upper side of the tundish body 1 is connected with a ladle through the ladle shroud 5, the end of the ladle shroud 5 is connected with the ladle, and the end of the ladle shroud 5 penetrates through the surface of the tundish cover plate 6 and is placed inside the tundish body 1, so that molten steel in the ladle can flow into the tundish body 1 conveniently.
The utility model discloses a theory of operation and use flow, this utility model is when using, earlier the pre-buried inside of fixing at buffer board 4 of crossing reinforcing bar 13, set up water conservancy diversion hole 12 inside the symmetry of buffer board 4 afterwards, then fix the internal surface bottom position of middle package main part 1 of two buffer board 4 slope installations, install two slag dams 3 respectively in the sides of buffer board 4 and near the position of recess 9 afterwards, the installation is accomplished the inside molten steel of ladle and is flowed into the inside of middle package main part 1 through ladle long nozzle 5, buffer effect through buffer board 4 and impact pad consumes a large amount of kinetic energy, it is fast to reduce the inside molten steel inlet area molten steel of middle package main part 1, weaken the energy that the molten steel strikes the slag face, the molten steel flows into the inside of recess 9 through overflowing steel hole 8 afterwards, and cool off in shunting the crystallizer vessel of middle package main part 1 downside through two immersion nozzles 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Filter flow divider is used to tundish, including tundish main part (1), the top installation of tundish main part (1) is fixed with tundish cover plate (6), the intermediate position of tundish cover plate (6) is provided with the long mouth of a river (5) of ladle, the bottom of the long mouth of a river (5) of ladle runs through the upper surface of tundish cover plate (6) and places the inside in tundish main part (1), its characterized in that: the bottom of the tundish main body (1) is provided with a shunting mechanism, the shunting mechanism comprises a stopper rod (2), an immersion nozzle (7), a groove (9), shunting holes (10) and a protective inner nesting sleeve (11), the stopper rod (2) is symmetrically arranged inside the tundish main body (1), the top end of the stopper rod (2) is connected with a driving device, the bottom end of the stopper rod (2) is provided with a stopper head and penetrates through the surface of a tundish cover plate (6) to be arranged on the upper side of the immersion nozzle (7), the immersion nozzle (7) is symmetrically arranged and fixed at the bottom end of the lower surface of the tundish main body (1), the shunting holes (10) are arranged inside the immersion nozzle (7) and communicated with the inside of the tundish main body (1), the protective inner nesting sleeve (11) is sleeved at the top end of the immersion nozzle (7), the groove (9) is symmetrically arranged on two sides of the bottom of the inner surface of the tundish main body (1), the inner surface of the groove (9) is an inclined surface, and a buffer mechanism is arranged in the tundish main body (1).
2. The filter diverter for a tundish according to claim 1, wherein: buffer gear includes buffer board (4), water conservancy diversion hole (12) and crossing reinforcing bar (13), buffer board (4) symmetry slope is fixed at the internal surface bottom position of middle package main part (1) and is located the downside of ladle long nozzle (5), be provided with the impact pad under ladle long nozzle (5) and fix the internal surface bottom intermediate position at middle package main part (1), the impact pad is placed in the middle of two buffer board (4), water conservancy diversion hole (12) symmetry is seted up in the inside of buffer board (4) and is run through the both sides of buffer board (4), crossing reinforcing bar (13) installation is fixed in the inside of buffer board (4).
3. The filter diverter for a tundish according to claim 1, wherein: the slag blocking dam is characterized in that slag blocking dams (3) are symmetrically and fixedly arranged at the bottom end of the inner surface of the tundish main body (1), and reinforcing steel bars are filled in the slag blocking dams (3).
4. The filter diverter for a tundish according to claim 3, wherein: and the bottom end of the interior of the slag blocking dam (3) is symmetrically provided with steel flowing holes (8) and penetrates through two sides of the slag blocking dam (3).
5. The filter diverter for a tundish according to claim 1, wherein: the outermost layer of the outer surface of the tundish main body (1) is provided with an aluminum silicate fiber felt heat insulation layer.
6. The filter diverter for a tundish according to claim 1, wherein: lifting lugs are symmetrically and fixedly arranged on two sides of the tundish main body (1).
7. The filter flow divider for the tundish according to claim 1, wherein the upper side of the tundish body (1) is connected with a ladle through a ladle shroud (5), and the end of the ladle shroud (5) is connected with the other end of the ladle and penetrates through the surface of the tundish cover plate (6) to be placed inside the tundish body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920354069.2U CN209998333U (en) | 2019-03-20 | 2019-03-20 | Filtering flow divider for tundish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920354069.2U CN209998333U (en) | 2019-03-20 | 2019-03-20 | Filtering flow divider for tundish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209998333U true CN209998333U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920354069.2U Expired - Fee Related CN209998333U (en) | 2019-03-20 | 2019-03-20 | Filtering flow divider for tundish |
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| Country | Link |
|---|---|
| CN (1) | CN209998333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318682A (en) * | 2020-04-01 | 2020-06-23 | 湖北金盛兰冶金科技有限公司 | Tundish structure for square billet continuous casting and casting blank purity analysis process |
-
2019
- 2019-03-20 CN CN201920354069.2U patent/CN209998333U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318682A (en) * | 2020-04-01 | 2020-06-23 | 湖北金盛兰冶金科技有限公司 | Tundish structure for square billet continuous casting and casting blank purity analysis process |
| CN111318682B (en) * | 2020-04-01 | 2022-01-25 | 湖北金盛兰冶金科技有限公司 | Tundish structure for continuous casting of square billets |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200131 |
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| CF01 | Termination of patent right due to non-payment of annual fee |