CN219900235U - Flow control device for high-performance sliding nozzle brick - Google Patents
Flow control device for high-performance sliding nozzle brick Download PDFInfo
- Publication number
- CN219900235U CN219900235U CN202321536591.5U CN202321536591U CN219900235U CN 219900235 U CN219900235 U CN 219900235U CN 202321536591 U CN202321536591 U CN 202321536591U CN 219900235 U CN219900235 U CN 219900235U
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- Prior art keywords
- groove
- brick
- nozzle brick
- molten steel
- flow control
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- 239000011449 brick Substances 0.000 title claims abstract description 72
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 241000447495 Equulites leuciscus Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011819 refractory material Substances 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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- Furnace Charging Or Discharging (AREA)
Abstract
The utility model discloses a flow control device for a high-performance sliding nozzle brick, which comprises a lower nozzle brick, wherein the bottom end of the lower nozzle brick is provided with a discharge hole for discharging, one side of the lower nozzle brick is provided with a flow control component for slowing down the flow rate of molten steel, the flow control component comprises a first curved groove, and the top end of the first curved groove is provided with a feeding groove for feeding; according to the utility model, by means of the design of the lower nozzle brick, the discharge hole, the upper nozzle brick, the feed inlet and the flow control assembly, when the lower nozzle brick is required to be moved to cut off molten steel, the second circular through groove can be removed from the bottom end of the first circular through groove, so that the feed groove is positioned at the bottom end of the first circular through groove, molten steel enters the flow control assembly through the direct current groove, and the flow rate of the molten steel is greatly slowed down under the action of the first curved groove and the second curved groove, so that the speed of the molten steel flowing out of the discharge groove is reduced, the flow rate of the molten steel at the same time is reduced, and the flow control effect of the molten steel is realized while the molten steel is not solidified.
Description
Technical Field
The utility model relates to the field of metallurgical casting, in particular to a flow control device for a high-performance sliding nozzle brick.
Background
The continuous casting in the steelmaking industry comprises a large ladle and a middle ladle, wherein molten steel of the large ladle is poured into the middle ladle through a flow control device, when the molten steel of the middle ladle is full, the flow control device is required to be closed, but the molten steel in a nozzle hole is solidified as soon as the molten steel stops flowing, and the next casting is difficult.
The common solution is that when the steel of the intermediate ladle flows fully, the high-fire-resistance sliding nozzle brick slides to one side, a gap is reserved, so that molten steel flows slowly to prevent solidification, but the orifice of the sliding nozzle brick is damaged, and the orifice is continuously flushed by the molten steel and has irregular shape, so that the molten steel can be splashed during casting, and the use of the sliding nozzle brick is inconvenient.
Disclosure of Invention
The utility model aims to provide a flow control device for a high-performance sliding nozzle brick, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the flow control device for the high-performance sliding nozzle brick comprises a lower nozzle brick, a discharge hole for discharging is formed in the bottom end of the lower nozzle brick, a flow control component for reducing the flow rate of molten steel is arranged on one side of the lower nozzle brick, the flow control component comprises a first bending groove, and a feeding groove for feeding is formed in the top end of the first bending groove.
Preferably, the bottom of the lower nozzle brick is fixedly connected with the top of the discharge hole, the top of the lower nozzle brick is provided with an upper nozzle brick matched with the lower nozzle brick, and the top of the upper nozzle brick is fixedly connected with a feed inlet for feeding.
Preferably, the top end of the feeding hole and the bottom end of the discharging hole are respectively provided with a first circular through groove and a second circular through groove, and the first circular through groove and the second circular through groove are in through connection.
Preferably, the feeding groove is formed in one side of the top end of the sewer brick, the bottom end of the feeding groove is connected with the direct current groove in a penetrating mode, and the bottom end of the direct current groove is connected with one end of the first bending groove in a penetrating mode.
Preferably, a first shunt groove for shunting is connected to one side of the direct current groove in a penetrating manner, and the other end of the first bending groove is connected to one side of the first shunt groove in a penetrating manner.
Preferably, one side of the first diversion trench is in through connection with a second diversion trench for diversion, the bottom end of the first diversion trench is in through connection with a second bending trench for molten steel deceleration, and one end of the second bending trench is in through connection with one side of the second diversion trench.
Preferably, the bottom of the second diversion trench is in through connection with a discharge chute for discharging, and the bottom of the discharge chute is in through connection with one side of the bottom of the sewer brick.
The utility model has the technical effects and advantages that:
according to the utility model, by means of the design of the lower nozzle brick, the discharge hole, the upper nozzle brick, the feed inlet and the flow control assembly, when the lower nozzle brick is required to be moved to cut off molten steel, the second circular through groove can be removed from the bottom end of the first circular through groove, so that the feed groove is positioned at the bottom end of the first circular through groove, molten steel enters the flow control assembly through the direct current groove, and the flow rate of the molten steel is greatly slowed down under the action of the first curved groove and the second curved groove, so that the speed of the molten steel flowing out of the discharge groove is reduced, the flow rate of the molten steel at the same time is reduced, and the flow control effect of the molten steel is realized while the molten steel is not solidified.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
FIG. 2 is a schematic cross-sectional view of the present utility model.
Fig. 3 is an enlarged schematic view of fig. 2 a according to the present utility model.
In the figure: 1. a water outlet brick; 2. a discharge port; 3. a water feeding brick; 4. a feed inlet; 5. a first circular through groove; 6. a second circular through groove; 7. a discharge chute; 8. a feed chute; 9. a direct current groove; 10. a first shunt channel; 11. a first curved slot; 12. a second diversion trench; 13. and a second curved slot.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a flow control device for a high-performance sliding nozzle brick, which is shown in figures 1-3, and comprises a lower nozzle brick 1, wherein a discharge hole 2 for discharging is arranged at the bottom end of the lower nozzle brick 1, a flow control component for slowing down the flow rate of molten steel is arranged at one side of the lower nozzle brick 1, the flow control component comprises a first bending groove 11, and a feeding groove 8 for feeding is arranged at the top end of the first bending groove 11.
Specifically, the bottom of lower mouth of a river brick 1 and the top fixed connection of discharge gate 2, the top of lower mouth of a river brick 1 be provided with lower mouth of a river brick 1 matched with upper mouth of a river brick 3, the top fixedly connected with of upper mouth of a river brick 3 is used for the feed inlet 4 of feeding, first circular logical groove 5 and the circular logical groove 6 of second have been seted up respectively to the top of feed inlet 4 and the bottom of discharge gate 2, first circular logical groove 5 and the circular logical groove 6 of second link up the connection.
Further, in the existing steelmaking production process, the lower nozzle brick 1, the discharge hole 2, the upper nozzle brick 3 and the feed hole 4 form a sliding nozzle brick for a steel ladle cast steel switch, the lower nozzle brick 1 and the upper nozzle brick 3 are made of special refractory materials, high performance of the sliding nozzle brick is achieved, the lower nozzle brick 1 and the upper nozzle brick 3 are installed outside the steel ladle, one side, far away from the discharge hole 2, of the lower nozzle brick 1 and one side, far away from the feed hole 4, of the upper nozzle brick 3 are oppositely arranged, the lower nozzle brick 1 is driven by an oil pressure device to move, dislocation of the first circular through groove 5 and the second circular through groove 6 is achieved, the apertures of the first circular through groove 5 and the second circular through groove 6 are corresponding, molten steel in the steel ladle flows into the second circular through the first circular through groove 5 in the feed hole 4, and is discharged from the discharge hole 2
Specifically, feed chute 8 is offered on one side on lower mouth of a river brick 1 top, the bottom through-connection of feed chute 8 has direct current groove 9, the bottom of direct current groove 9 is connected with the one end through-connection of first curved groove 11, one side through-connection of direct current groove 9 has first shunt flap 10 that is used for the reposition of redundant personnel, the other end of first curved groove 11 is connected with one side through-connection of first shunt flap 10, one side through-connection of first shunt flap 10 has the second shunt flap 12 that is used for the reposition of redundant personnel, the bottom through-connection of first shunt flap 10 has the second curved groove 13 that is used for the molten steel to slow down, the one end of second curved groove 13 is connected with one side through-connection of second shunt flap 12, the bottom through-connection of second shunt flap 12 has the blown down tank 7 that is used for the ejection of compact, the bottom of blown down tank 7 is connected with one side through-connection of lower mouth of a river brick 1 bottom.
Further, the feeding chute 8 and the discharging chute 7 are circular through grooves in the vertical direction, the direct current chute 9 and the second diversion chute 12 are circular through grooves which are close to the discharging hole 2 and obliquely face the bottom end of the sewer brick 1, the first diversion chute 10 is a circular through groove which is far away from the discharging hole 2 and obliquely face the bottom end of the sewer brick 1, the first bending chute 11 and the second bending chute 13 are circular through grooves with the same radian, the diameters of the feeding chute 8, the direct current chute 9, the first diversion chute 10, the first bending chute 11, the second diversion chute 12, the second bending chute 13 and the discharging chute 7 are the same, the diameter of the feeding chute 8 is 0.3-0.5 times of the diameter of the first circular through chute 5, when molten steel is required to be controlled in speed, the feeding chute 8 is positioned at the bottom end of the first circular through chute 5 by moving the sewer brick 1, the molten steel flows into the feeding chute 8 through the first circular through the first diversion chute 10 to partially divert the molten steel in the inside the direct current chute 9, the rest of molten steel flows to the first bending groove 11 along with the direct current groove 9, the radian of the first bending groove 11 is adopted to change the flow direction of the molten steel, the molten steel flowing out of the first bending groove 11 impacts the molten steel flowing in the first diversion groove 10, so that the flow velocity of the molten steel in the first diversion groove 10 is slowed down, the outflow end of the first bending groove 11 is close to the inflow end of the first diversion groove 10, the inflow end of the second diversion groove 12 is close to the outflow end of the first bending groove 11, the molten steel in the first diversion groove 10 is shunted, the molten steel at the outflow end at the bottom of the first diversion groove 10 impacts the molten steel in the second diversion groove 12 through the steering of the second bending groove 13, the flow velocity of the molten steel in the second diversion groove 12 is weakened, the flow velocity of the molten steel flowing into the discharge groove 7 of the second diversion groove 12 is compared with the flow velocity of the molten steel flowing into the feeding groove 8, the flow of molten steel is greatly reduced within the same time, solidification of the molten steel is avoided, and the throttling effect of the molten steel is achieved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a high performance slip mouth of a river brick is with accuse flow device, includes mouth of a river brick (1), the bottom of mouth of a river brick (1) is provided with discharge gate (2) that are used for the ejection of compact down, its characterized in that, one side of mouth of a river brick (1) is provided with the accuse flow subassembly that is used for slowing down the molten steel velocity of flow down, accuse flow subassembly includes first curved groove (11), the top of first curved groove (11) is provided with feed chute (8) that are used for the feeding.
2. The flow control device for the high-performance sliding nozzle brick according to claim 1, wherein the bottom end of the lower nozzle brick (1) is fixedly connected with the top end of the discharge hole (2), the top end of the lower nozzle brick (1) is provided with an upper nozzle brick (3) matched with the lower nozzle brick (1), and the top end of the upper nozzle brick (3) is fixedly connected with a feed inlet (4) for feeding.
3. The flow control device for the high-performance sliding gate brick according to claim 2, wherein a first circular through groove (5) and a second circular through groove (6) are respectively formed in the top end of the feed inlet (4) and the bottom end of the discharge outlet (2), and the first circular through groove (5) and the second circular through groove (6) are in through connection.
4. The flow control device for the high-performance sliding nozzle brick according to claim 1, wherein the feeding groove (8) is formed on one side of the top end of the lower nozzle brick (1), a direct current groove (9) is connected to the bottom end of the feeding groove (8) in a penetrating manner, and the bottom end of the direct current groove (9) is connected to one end of the first bending groove (11) in a penetrating manner.
5. The flow control device for the high-performance sliding nozzle brick according to claim 4, wherein a first diversion groove (10) for diversion is connected to one side of the direct current groove (9) in a penetrating manner, and the other end of the first bending groove (11) is connected to one side of the first diversion groove (10) in a penetrating manner.
6. The flow control device for the high-performance sliding gate valve brick according to claim 5, wherein a second diversion trench (12) for diversion is connected to one side of the first diversion trench (10) in a penetrating manner, a second bending trench (13) for deceleration of molten steel is connected to the bottom end of the first diversion trench (10) in a penetrating manner, and one end of the second bending trench (13) is connected to one side of the second diversion trench (12) in a penetrating manner.
7. The flow control device for the high-performance sliding gate valve brick according to claim 6, wherein a discharge chute (7) for discharging is connected to the bottom end of the second diversion trench (12), and the bottom end of the discharge chute (7) is connected to one side of the bottom end of the lower gate valve brick (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321536591.5U CN219900235U (en) | 2023-06-16 | 2023-06-16 | Flow control device for high-performance sliding nozzle brick |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321536591.5U CN219900235U (en) | 2023-06-16 | 2023-06-16 | Flow control device for high-performance sliding nozzle brick |
Publications (1)
Publication Number | Publication Date |
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CN219900235U true CN219900235U (en) | 2023-10-27 |
Family
ID=88427048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321536591.5U Active CN219900235U (en) | 2023-06-16 | 2023-06-16 | Flow control device for high-performance sliding nozzle brick |
Country Status (1)
Country | Link |
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CN (1) | CN219900235U (en) |
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2023
- 2023-06-16 CN CN202321536591.5U patent/CN219900235U/en active Active
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