CN216780257U - Argon protection device with double protection effects for steelmaking pouring - Google Patents
Argon protection device with double protection effects for steelmaking pouring Download PDFInfo
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- CN216780257U CN216780257U CN202220052688.8U CN202220052688U CN216780257U CN 216780257 U CN216780257 U CN 216780257U CN 202220052688 U CN202220052688 U CN 202220052688U CN 216780257 U CN216780257 U CN 216780257U
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Abstract
The utility model relates to the technical field of casting, and discloses an argon protection device with double protection effects for steelmaking pouring, which comprises an injection pipe, wherein a lower annular pipeline is arranged on an outer diameter bottom plate of the injection pipe, the right side of the lower annular pipeline is arranged at one end of a lower air supply pipe, the other end of the lower air supply pipe is fixedly connected to the bottom end of a three-way valve, a plurality of lower air inlet pipes are arranged on the inner diameter of the lower annular pipeline, and one ends of the inner sides of the lower air inlet pipes penetrate through the injection pipe respectively. According to the utility model, the upper annular pipeline, the upper air inlet pipe, the upper air feed pipe, the lower annular pipeline, the lower air inlet pipe and the lower air feed pipe are matched with each other, so that air in the injection pipe can be discharged, the upper air feed pipe and the lower air feed pipe are obliquely arranged and are matched with the thread table to form an argon vortex, so that the metal solution is in the argon gas protection in the whole pouring process, and the secondary oxidation of the metal liquid and the generation of air holes are avoided.
Description
Technical Field
The utility model relates to the technical field of casting, in particular to an argon protection device with double protection effects for steelmaking pouring.
Background
At present, a steel casting is poured in an open mode through a drain pan or is poured when a drain nozzle lengthened water gap extends to a position below the liquid level of a tundish, a large amount of bubbles are coiled during pouring in the open mode to cause secondary oxidation of molten steel, the quality of the steel casting is influenced, pouring when the drain nozzle lengthened water gap extends to a position below the liquid level of the tundish, although the problem of secondary oxidation can be effectively solved, if the drain nozzle and a ladle sliding water gap are not tightly sealed or not properly installed during installation, air can be sucked, the molten steel can be secondarily oxidized, the inner diameter of the drain nozzle is larger than that of the sliding water gap, the inner hole cannot be filled with the molten steel, a negative pressure area is formed at the top of the drain nozzle, and the air is continuously sucked from the gap to cause secondary oxidation.
Chinese patent document CN215033577U relates to the technical field of vehicles, and especially relates to an argon protection device for steel-making pouring, including setting up in the protective sheath at the bottom of the ladle, setting up in the supporting component between protective sheath and well notes pipe runner and setting up the safety cover on the supporting component, the safety cover is including setting up in the top argon ring between supporting component and protective sheath and setting up in the side argon ring of top argon ring lower extreme, the side below of top argon ring is equipped with first logical argon hole side by side in proper order, the level of side argon ring is equipped with second logical argon hole side by side in proper order. The device aims at isolating molten steel from air and preventing the molten steel from being polluted, and the design improvement of protection equipment in the molten steel pouring process is necessary, but the device has the problems that the installation is not convenient enough, the molten steel cannot be ensured not to be oxidized, the practicability is poor and the like, so that the conventional argon protection device for steelmaking pouring is improved to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides an argon protection device with double protection effects for steelmaking pouring.
In order to achieve the purpose, the utility model adopts the following technical scheme: an argon protection device with double protection effects for steel-making pouring comprises an injection pipe, wherein a bottom plate of the outer diameter of the injection pipe is provided with a lower annular pipeline, the right side of the lower annular pipeline is arranged at one end of a lower air supply pipe, the other end of the lower air supply pipe is fixedly connected to the bottom end of a three-way valve, the left side of the outer diameter of the lower air supply pipe is provided with a third valve, the inner diameter of the lower annular pipeline is provided with a plurality of lower air inlet pipes, one ends of the inner sides of the lower air inlet pipes respectively penetrate through the injection pipe, the top of the inner diameter of the injection pipe is provided with a thread table, the top end of the injection pipe is provided with a limiting groove, the inner wall of the limiting groove is connected with a mounting seat through a bulge, the middle part of the top end of the mounting seat is fixedly connected with a mounting cover, the middle part of the outer diameter of the mounting cover is provided with an upper annular pipeline, the inner diameter of the upper annular pipeline is provided with a plurality of upper air inlet pipes, one end of the inner side of the upper air inlet pipe respectively penetrates through the mounting cover, the right side of the upper ring pipeline is arranged at one end of an upper air supply pipe, a first valve is arranged in the middle of the outer diameter of the upper air supply pipe, and a main air supply pipe is fixedly connected to the right end of the three-way valve.
As a further description of the above technical solution:
the bottom of the outer diameter of the mounting cover is fixedly connected with a plurality of reinforcing ribs.
As a further description of the above technical solution:
and a barometer is arranged on the outer diameter of the lower air supply pipe close to the right side of the third valve.
As a further description of the above technical solution:
the other end of the upper air supply pipe is fixedly connected with the left end of the three-way valve.
As a further description of the above technical solution:
and a second valve is arranged on the outer diameter of the main air supply pipe.
As a further description of the above technical solution:
and a pouring gate is arranged in the middle of the mounting cover.
As a further description of the above technical solution:
and a sealing ring is arranged between the limiting groove and the protrusion.
As a further description of the above technical solution:
the upper air inlet pipe and the lower air inlet pipe are obliquely arranged.
The utility model has the following beneficial effects:
1. according to the utility model, the upper annular pipeline, the upper air inlet pipe, the upper air supply pipe, the lower annular pipeline, the lower air inlet pipe and the lower air supply pipe are matched with each other, so that air in the injection pipe can be discharged, an air curtain is formed, argon gas protection can be formed in the metal liquid injection process, and an argon vortex is formed by obliquely arranging the upper air supply pipe and the lower air supply pipe and matching with the thread table, so that the metal solution is in the argon gas protection in the whole pouring process, secondary oxidation and air holes of the metal liquid are avoided, and the quality of a casting is improved.
2. According to the argon protection device for steel making and pouring, the limiting groove is formed in the injection pipe and matched with the bulge and the sealing ring on the mounting seat, so that workers can conveniently mount the argon protection device for steel making and pouring, and the first valve, the second valve, the third valve and the barometer are arranged on the upper air supply pipe, the lower air supply pipe and the main air supply pipe, so that the gas pressure and the flow of argon can be adjusted, the actual working requirement is met, and the argon protection device has high practicability.
Drawings
FIG. 1 is a schematic perspective view of an argon protection device for steel-making pouring with double protection effects according to the present invention;
FIG. 2 is a front cross-sectional view of an argon protection device for steel-making pouring with double protection effect according to the present invention;
FIG. 3 is a bottom view of the argon protection device for steel-making pouring with double protection effect according to the present invention.
Illustration of the drawings:
1. injecting a pipe; 2. a lower annular duct; 3. a mounting seat; 4. reinforcing ribs; 5. an upper annular duct; 6. mounting a cover; 7. a pouring gate; 8. a first valve; 9. an upper air supply pipe; 10. a three-way valve; 11. a second valve; 12. a main air supply pipe; 13. a lower air supply pipe; 14. a barometer; 15. a third valve; 16. a lower air inlet pipe; 17. a thread table; 18. a seal ring; 19. an upper intake pipe; 20. a protrusion; 21. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, one embodiment of the present invention is provided: an argon protection device with double protection effects for steel making pouring comprises an injection pipe 1, wherein a lower annular pipeline 2 is arranged on an outer diameter bottom plate of the injection pipe 1, the right side of the lower annular pipeline 2 is arranged at one end of a lower air supply pipe 13, the other end of the lower air supply pipe 13 is fixedly connected to the bottom end of a three-way valve 10, a third valve 15 is arranged on the left side of the outer diameter of the lower air supply pipe 13, a plurality of lower air supply pipes 16 are arranged in the inner diameter of the lower annular pipeline 2, one ends of the inner sides of the lower air supply pipes 16 respectively penetrate through the injection pipe 1, a thread table 17 is arranged at the top of the inner diameter of the injection pipe 1, an argon vortex is formed by obliquely arranging the upper air supply pipe 9 and the lower air supply pipe 13 and matching with the thread table 17, so that metal solution is in argon gas protection in the whole pouring process, secondary oxidation and air holes of the metal liquid are avoided, the quality of a casting is improved, a limiting groove 21 is arranged at the top end of the injection pipe 1, the inner wall of the limiting groove 21 is connected with a mounting seat 3 through a bulge 20, an upper air supply pipe 9 and a lower air supply pipe 13 are obliquely arranged and matched with a thread table 17 to form an argon vortex, so that metal solution is in argon gas protection in the whole pouring process, secondary oxidation and air holes of metal liquid are avoided, the quality of a casting is improved, the middle part of the top end of a mounting seat 3 is fixedly connected with a mounting cover 6, the middle part of the outer diameter of the mounting cover 6 is provided with an upper annular pipeline 5, the inner diameter of the upper annular pipeline 5 is provided with a plurality of upper air supply pipes 19, one ends of the inner sides of the upper air supply pipes 19 respectively penetrate through the mounting cover 6, the right side of the upper annular pipeline 5 is arranged at one end of the upper air supply pipe 9, the middle part of the outer diameter of the upper air supply pipe 9 is provided with a first valve 8, the right end of a three-way valve 10 is fixedly connected with a main air supply pipe 12, and the upper air supply pipe 19, the upper air supply pipe 9, the lower annular pipeline 2, the lower air supply pipe 16 and the lower air supply pipe 13 are matched with each other, the air in the injection pipe 1 can be discharged and forms an air curtain, argon gas protection can be formed in the process of injecting the metal liquid, an argon vortex is formed by obliquely arranging the upper air supply pipe 9 and the lower air supply pipe 13 and matching with the thread table 17, thereby leading the metal solution to be in the protection of argon gas in the whole pouring process, avoiding the secondary oxidation of the metal solution and the generation of air holes, improving the quality of castings, the limiting groove 21 is arranged on the injection pipe 1, the projection 20 and the sealing ring 18 on the mounting seat 3 are matched, so that the argon protection device for steel making and pouring is convenient for workers to mount, by providing the upper and lower air supply pipes 9 and 13 and the main air supply pipe 12 with the first and second valves 8 and 11 and the third valve 15 and the barometer 14, the gas pressure and the flow of the argon can be adjusted, the actual working requirement is met, and the argon gas regulating device has high practicability.
6 equal fixedly connected with a plurality of strengthening ribs 4 in external diameter bottom of installation cover, improve the intensity of device, 13 external diameters of lower blast pipe are close to third valve 15 right side and are provided with barometer 14, it is connected in the 10 left ends of three-way valve to go up 9 other end fixed connections of blast pipe, total blast pipe 12 external diameters are provided with second valve 11, make the gaseous pressure and the flow of argon all adjustable, satisfy the actual work demand, higher practicality has, 6 middle parts of installation cover are provided with sprue gate 7, be provided with sealing washer 18 between spacing groove 21 and the arch 20, avoid the air admission, it is the slope setting to go up intake pipe 19 and lower intake pipe 16, form an argon gas swirl, thereby make metal solution all be in the argon gas protection in whole pouring process, the production of metal liquid secondary oxidation and gas pocket has been avoided, the quality of foundry goods has been improved.
The working principle is as follows: the upper annular pipeline 5, the upper air inlet pipe 19, the upper air feed pipe 9, the lower annular pipeline 2, the lower air feed pipe 16 and the lower air feed pipe 13 are arranged to be matched with each other, so that air in the injection pipe 1 can be discharged, an air curtain is formed, argon gas protection can be formed in the metal liquid injection process, the upper air feed pipe 9 and the lower air feed pipe 13 are obliquely arranged and matched with the thread table 17 to form an argon vortex, so that the metal liquid is in the argon gas protection in the whole pouring process, secondary oxidation and air holes of the metal liquid are avoided, the quality of a cast is improved, a limit groove 21 is arranged on the injection pipe 1, a bulge 20 and a sealing ring 18 on the mounting seat 3 are matched, so that a worker can conveniently mount an argon protection device for steelmaking pouring, and the upper air feed pipe 9, the lower air feed pipe 13 and the main air feed pipe 12 are provided with a first valve 8, a second valve 11, a second valve and a third valve, And the third valve 15 and the barometer 14 enable the gas pressure and the flow of the argon gas to be adjustable, so that the actual working requirement is met, and the practicability is high.
Finally, it should be noted that: although the present invention 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 or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a steelmaking is argon protection device for pouring with double protection effect, includes notes pipe (1), its characterized in that: the injection pipe (1) outer diameter bottom plate is provided with a lower annular pipeline (2), the right side of the lower annular pipeline (2) is arranged at one end of a lower air supply pipe (13), the other end of the lower air supply pipe (13) is fixedly connected to the bottom end of a three-way valve (10), the left side of the outer diameter of the lower air supply pipe (13) is provided with a third valve (15), the inner diameter of the lower annular pipeline (2) is provided with a plurality of lower air inlet pipes (16), one ends of the inner sides of the lower air inlet pipes (16) respectively penetrate through the injection pipe (1), the top of the inner diameter of the injection pipe (1) is provided with a thread table (17), the top end of the injection pipe (1) is provided with a limiting groove (21), the inner wall of the limiting groove (21) is connected with a mounting seat (3) through a bulge (20), the middle part of the top end of the mounting seat (3) is fixedly connected with a mounting cover (6), the middle part of the outer diameter of the mounting cover (6) is provided with an upper annular pipeline (5), go up annular duct (5) internal diameter and be provided with a plurality of air pipes (19) of going up, go up inboard one end of air pipes (19) and run through installation cover (6) respectively, it sets up in last blast pipe (9) one end to go up annular duct (5) right side, it is provided with first valve (8) to go up blast pipe (9) external diameter middle part, three-way valve (10) right-hand member fixedly connected with master blast pipe (12).
2. The argon protecting device for steelmaking pouring with double protecting effect as claimed in claim 1, characterized in that: the bottom of the outer diameter of the mounting cover (6) is fixedly connected with a plurality of reinforcing ribs (4).
3. The argon protecting device for steelmaking pouring with double protecting effect as claimed in claim 1, characterized in that: and a barometer (14) is arranged on the outer diameter of the lower air feed pipe (13) close to the right side of the third valve (15).
4. The argon protecting device for steelmaking pouring with double protecting effect as claimed in claim 1, characterized in that: the other end of the upper air supply pipe (9) is fixedly connected with the left end of the three-way valve (10).
5. The argon protecting device for steelmaking pouring with double protecting effect as claimed in claim 1, characterized in that: the outer diameter of the main air supply pipe (12) is provided with a second valve (11).
6. The argon protecting device for steelmaking pouring with double protecting effect as claimed in claim 1, characterized in that: and a pouring gate (7) is arranged in the middle of the mounting cover (6).
7. The argon protecting device for steelmaking pouring with double protecting effect as claimed in claim 1, characterized in that: and a sealing ring (18) is arranged between the limiting groove (21) and the bulge (20).
8. The argon protecting device for steelmaking pouring with double protecting effect as claimed in claim 1, characterized in that: the upper air inlet pipe (19) and the lower air inlet pipe (16) are obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220052688.8U CN216780257U (en) | 2022-01-11 | 2022-01-11 | Argon protection device with double protection effects for steelmaking pouring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220052688.8U CN216780257U (en) | 2022-01-11 | 2022-01-11 | Argon protection device with double protection effects for steelmaking pouring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216780257U true CN216780257U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220052688.8U Active CN216780257U (en) | 2022-01-11 | 2022-01-11 | Argon protection device with double protection effects for steelmaking pouring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216780257U (en) |
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2022
- 2022-01-11 CN CN202220052688.8U patent/CN216780257U/en active Active
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