CN214023478U - Ladle nozzle with argon blowing structure - Google Patents
Ladle nozzle with argon blowing structure Download PDFInfo
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- CN214023478U CN214023478U CN202023181103.2U CN202023181103U CN214023478U CN 214023478 U CN214023478 U CN 214023478U CN 202023181103 U CN202023181103 U CN 202023181103U CN 214023478 U CN214023478 U CN 214023478U
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- river
- nozzle
- mouth
- gas filling
- seam
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Abstract
The utility model relates to a metal smelting technical field discloses a ladle mouth of a river with blow argon gas structure, the inboard of mouth of a river brick seat is located port position department embedding and is provided with air entrainment mechanism, and the inner wall of mouth of a river brick seat is located port position department and has seted up the gas filling seam, the top embedding block of mouth of a river brick seat has lower mouth of a river mechanism, one side of air entrainment ring canal is connected with the air entrainment valve, and the inboard symmetric connection of air entrainment ring canal has the outlet duct. The utility model discloses a mouth of a river brick cup and lower mouth of a river mechanism's closed combination, the staff of can being convenient for carries out supporting equipment to the ladle mouth of a river and uses, can improve the sealing performance at the ladle mouth of a river simultaneously, and in the ladle mouth of a river use, blows in the argon gas of convection type to the gas filling seam and to the joint close in through the air entrainment ring canal, can carry out the omnidirectional to the air in gap between mouth of a river brick cup and the lower mouth of a river mechanism and completely cut off the processing, avoids outside air to get into to inside the molten steel.
Description
Technical Field
The utility model relates to a metal smelting technical field specifically is a ladle nozzle with argon gas blowing structure.
Background
The ladle nozzle is used in steel plants and foundries, molten steel is received and poured before an open hearth, an electric furnace or a converter, during the pouring process of the ladle, the molten steel flows into a tundish from the ladle nozzle and a long nozzle, negative pressure is generated inside the nozzle due to the flowing of the molten steel, air outside the nozzle is easy to enter the molten steel through the connection part of the ladle nozzle and the long nozzle, the molten steel oxygen absorption and nitrogen absorption, nodulation of a ladle protective sleeve and the like are caused, the quality of the molten steel is deteriorated, the service life of the ladle protective sleeve is shortened, and therefore, during the pouring process of the molten steel, argon blowing treatment needs to be carried out on the molten steel.
But there are some shortcomings about the ladle nozzle that metal smelting used in the existing market, and the existing ladle nozzle has a single structure, its seal assembly is not enough, and in the use, the isolation efficiency to the outside air is low. Accordingly, those skilled in the art have provided a ladle nozzle with an argon blowing structure to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ladle mouth of a river with blow argon gas structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a ladle nozzle with an argon blowing structure comprises a nozzle pocket brick, wherein an air-entrapping mechanism is embedded in the position, located at a port, of the inner side of the nozzle pocket brick, an air-entrapping seam is formed in the position, located at the port, of the inner wall of the nozzle pocket brick, and a lower nozzle mechanism is embedded and clamped above the nozzle pocket brick;
the gas filling mechanism comprises a gas filling ring pipe, one side of the gas filling ring pipe is connected with a gas filling valve, and the inner side of the gas filling ring pipe is symmetrically connected with gas outlet pipes;
the lower water gap mechanism comprises a lower water port, a closed cylinder is arranged below the lower water port, a butt seam is formed in the position, located at the bottom end, of the outer side of the closed cylinder, and an arc-shaped base is arranged below the closed cylinder.
As a further aspect of the present invention: the inner diameter of the port of the nozzle pocket brick is matched with the outer diameter of the closed cylinder, and an arc-shaped clamping groove matched with the arc-shaped base is formed in the inner side of the nozzle pocket brick.
As a further aspect of the present invention: the gas filling seam and the butt joint are positioned on the same horizontal plane, the gas filling seam and the butt joint are both in a semi-annular structure, and the gas filling seam and the butt joint form a closed ring.
As a further aspect of the present invention: the number of the air outlet pipes is not less than six, the air outlet pipes are symmetrically arranged relative to the circle center of the air-entrapping ring pipe, and an air outlet of each air outlet pipe extends to the inner side of the air-entrapping seam.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a mouth of a river brick cup and lower mouth of a river mechanism's closed combination, the staff of can being convenient for carries out supporting equipment to the ladle mouth of a river and uses, can improve the sealing performance at the ladle mouth of a river simultaneously, and in the ladle mouth of a river use, blows in the argon gas of convection type to the gas filling seam and to the joint close in through the air entrainment ring canal, can carry out the omnidirectional to the air in gap between mouth of a river brick cup and the lower mouth of a river mechanism and completely cut off the processing, avoids outside air to get into to inside the molten steel.
Drawings
FIG. 1 is a schematic structural view of a ladle nozzle with an argon blowing structure;
FIG. 2 is a schematic structural diagram of the inner part of a ladle nozzle with an argon blowing structure;
FIG. 3 is a schematic structural diagram of a gas filling mechanism in a ladle nozzle with an argon blowing structure;
fig. 4 is a schematic structural diagram of a down nozzle mechanism in a ladle nozzle with an argon blowing structure.
In the figure: 1. a nozzle pocket brick; 2. a gas adding mechanism; 21. a gas-filling ring pipe; 22. an air-entrapping valve; 23. an air outlet pipe; 3. a water outlet mechanism; 31. a launch port; 32. a closed cartridge; 33. butt seaming; 34. an arc-shaped base; 4. and (5) filling air gaps.
Detailed Description
Referring to fig. 1 to 4, in an embodiment of the present invention, a ladle nozzle with an argon blowing structure includes a nozzle brick 1, an air-filling mechanism 2 is embedded in a port position of an inner side of the nozzle brick 1, the air-filling mechanism 2 includes an air-filling ring pipe 21, an air-filling valve 22 is connected to one side of the air-filling ring pipe 21, an air outlet pipe 23 is symmetrically connected to an inner side of the air-filling ring pipe 21, an air filling gap 4 is formed in the port position of an inner wall of the nozzle brick 1, the number of the air outlet pipes 23 is not less than six, the air outlet pipes 23 are symmetrically arranged relative to a circle center of the air-filling ring pipe 21, an air outlet of the air outlet pipe 23 extends to the inner side of the air filling gap 4, the air-filling valve 22 is connected to an argon tank when the ladle nozzle is in use, and then a switch of the air-filling valve 22 is opened, argon flows into the air-filling ring pipe 21 through the air-filling valve 22, under the transportation of the air outlet pipe 23, the argon is discharged into a closed ring formed by the air-entrapping seam 4 and the butt-joint seam 33, and the synchronous and symmetrically arranged air outlet pipes 23 can enable the argon to uniformly flow into the closed ring in a mutually opposite flushing manner, so that the air in the gap between the nozzle brick cup 1 and the lower nozzle mechanism 3 is isolated and treated in an all-around manner, and the external air is prevented from entering the molten steel.
A lower nozzle mechanism 3 is embedded and clamped above the nozzle pocket brick 1, the lower nozzle mechanism 3 comprises a lower nozzle port 31, a closed cylinder 32 is arranged below the lower nozzle port 31, a butt seam 33 is arranged at the bottom end position of the outer side of the closed cylinder 32, an arc-shaped base 34 is arranged below the closed cylinder 32, the inner diameter of the nozzle pocket brick 1 is matched with the outer diameter of the closed cylinder 32, an arc-shaped clamping groove matched with the arc-shaped base 34 is arranged on the inner side of the nozzle pocket brick 1, the gas filling seam 4 and the butt seam 33 are positioned on the same horizontal plane, the gas filling seam 4 and the butt seam 33 are both in a semi-annular structure, the gas filling seam 4 and the butt seam 33 form a closed ring, the lower nozzle mechanism 3 is clamped and placed on the inner side of the nozzle pocket brick 1 in the assembling process of the ladle nozzle, the closed cylinder 32 is attached to the inner wall of the gas filling seam 4 in the placing process, and the arc-shaped base 34 is closely attached to the arc-shaped clamping groove inside the gas filling seam 4, the sealing performance of the ladle nozzle can be improved, and the gas filling seam 4 and the butt seam 33 are positioned on the same horizontal plane to form a closed ring after the clamping is finished synchronously.
The utility model discloses a theory of operation is: in the process of assembling a ladle nozzle, a lower nozzle mechanism 3 is clamped and placed on the inner side of a port of a nozzle block brick 1, in the placing process, a sealing cylinder 32 is attached to the inner wall of an air filling seam 4, an arc-shaped base 34 is attached to an arc-shaped clamping groove in the air filling seam 4 in a sealing mode, the sealing performance of the ladle nozzle can be improved, after clamping is completed, the air filling seam 4 and a butt seam 33 are located on the same horizontal plane to form a sealing ring synchronously, in the using process of the ladle nozzle, an air filling valve 22 is connected with an argon tank, then the switch of the air filling valve 22 is opened, argon flows into an air filling ring pipe 21 through the air filling valve 22, the argon is discharged into the sealing ring formed by the air filling seam 4 and the butt seam 33 under the conveying of an air outlet pipe 23, the air in the gap between the nozzle block brick 1 and the lower nozzle mechanism 3 is isolated and is treated in an omnibearing mode by enabling the argon to flow into the sealing ring in a mutually flush mode, and external air is prevented from entering the molten steel.
The above-mentioned, 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 (4)
1. A ladle nozzle with an argon blowing structure comprises a nozzle pocket brick (1) and is characterized in that an air-entrapping mechanism (2) is embedded in the position, located at a port, of the inner side of the nozzle pocket brick (1), an air-entrapping gap (4) is formed in the position, located at the port, of the inner wall of the nozzle pocket brick (1), and a lower nozzle mechanism (3) is embedded and clamped above the nozzle pocket brick (1);
the gas filling mechanism (2) comprises a gas filling ring pipe (21), one side of the gas filling ring pipe (21) is connected with a gas filling valve (22), and the inner side of the gas filling ring pipe (21) is symmetrically connected with a gas outlet pipe (23);
the lower water gap mechanism (3) comprises a lower water port (31), a closed cylinder (32) is arranged below the lower water port (31), a butt joint seam (33) is formed in the position, located at the bottom end, of the outer side of the closed cylinder (32), and an arc-shaped base (34) is arranged below the closed cylinder (32).
2. The ladle nozzle with argon blowing structure according to claim 1, characterized in that the inner diameter of the port of the nozzle brick cup (1) is matched with the outer diameter of the closed cylinder (32), and the inner side of the nozzle brick cup (1) is provided with an arc-shaped clamping groove matched with the arc-shaped base (34).
3. The ladle nozzle with the argon blowing structure according to claim 1, wherein the gas filling seam (4) and the butt seam (33) are on the same horizontal plane, the gas filling seam (4) and the butt seam (33) are both in a semi-annular structure, and the gas filling seam (4) and the butt seam (33) form a closed ring.
4. The ladle nozzle with the argon blowing structure as claimed in claim 1, wherein the number of the outlet pipes (23) is not less than six, the outlet pipes (23) are symmetrically arranged relative to the center of the gas filling ring pipe (21), and the exhaust ports of the outlet pipes (23) extend to the inner side of the gas filling seam (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023181103.2U CN214023478U (en) | 2020-12-25 | 2020-12-25 | Ladle nozzle with argon blowing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023181103.2U CN214023478U (en) | 2020-12-25 | 2020-12-25 | Ladle nozzle with argon blowing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214023478U true CN214023478U (en) | 2021-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023181103.2U Active CN214023478U (en) | 2020-12-25 | 2020-12-25 | Ladle nozzle with argon blowing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214023478U (en) |
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2020
- 2020-12-25 CN CN202023181103.2U patent/CN214023478U/en active Active
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