CN211161908U - Durable immersion type water gap body - Google Patents
Durable immersion type water gap body Download PDFInfo
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- CN211161908U CN211161908U CN201921807407.XU CN201921807407U CN211161908U CN 211161908 U CN211161908 U CN 211161908U CN 201921807407 U CN201921807407 U CN 201921807407U CN 211161908 U CN211161908 U CN 211161908U
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Abstract
The utility model discloses a durable immersion nozzle body, including immersion nozzle body. The top of the durable submerged nozzle body is connected with the lower nozzle, the centers of the submerged nozzle body and the lower nozzle can be kept consistent through the limiting block, the rotating handle is rotated to drive the threaded rod to rotate, the rotating of the threaded rod drives the connecting block to move forwards, so that the fixing block fixes the fixing block, thereby ensuring that the submerged nozzle body is firmly connected with the lower nozzle, improving the molten steel corrosion resistance of the submerged nozzle body by arranging slag lines on two sides of the submerged nozzle body, set up arc section and arc section down simultaneously, prolonged immersion nozzle's life, whole device simple structure, convenient to use, immersion nozzle body and lower mouth of a river firm in connection have effectually avoided producing between immersion nozzle body and the lower mouth of a river to be crooked to breathe in, have guaranteed the quality of molten steel, have stopped the hidden danger of incident emergence.
Description
Technical Field
The utility model relates to a steelmaking equipment technical field specifically is a durable immersion nozzle body.
Background
The submerged entry nozzle is a refractory casing for pouring which is installed at the bottom of a tundish in a continuous steel casting plant and is inserted below the steel level of a crystallizer. The submerged nozzle has the main functions of preventing secondary oxidation of the pouring stream of the tundish and molten steel splashing, avoiding the entrainment of the crystallizer casting powder into the molten steel, improving the flowing state and heat flow distribution of the pouring stream in the crystallizer, promoting the uniform growth of a blank shell in the crystallizer and being beneficial to the removal of gas and impurities in the steel. The submerged nozzle has remarkable effects on improving the quality of casting blanks, improving the labor conditions, stabilizing the continuous casting operation, preventing the surface defects of the casting blanks and the like, so the submerged nozzle is adopted for casting in slab continuous casting and bloom continuous casting of all countries in the world. The basic requirements of the submerged nozzle material are good molten steel melting loss resistance, strong slag erosion resistance and good thermal shock resistance. After the prior submerged nozzle is connected with the tundish lower nozzle, the inclined air suction is generated between the submerged nozzle and the tundish lower nozzle due to the fluctuation of molten steel in the using process, the quality of steel billets is seriously influenced, and safety accidents are easy to happen.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a durable immersion nozzle body 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 durable submersed nozzle body comprises a submersed nozzle body, an inner cavity is arranged inside the submersed nozzle body, slag lines are arranged on two sides of the submersed nozzle body, an upper arc-shaped section is arranged above the slag lines, one side of the upper arc-shaped section is fixedly connected with one side of the submersed nozzle body, a lower arc-shaped section is arranged below the slag lines, one side of the lower arc-shaped section is fixedly connected with one side of the submersed nozzle body, a first liquid outlet and a second liquid outlet are respectively arranged on two sides of the lower end of the submersed nozzle body, fixed blocks are fixedly connected with two sides of the upper end of the submersed nozzle body, a lower nozzle is arranged at the top of the submersed nozzle body, a tundish is arranged outside the lower nozzle, two limit blocks are arranged at the bottom of the tundish and are respectively positioned on two sides of the top of the submers, the improved structure of the threaded block comprises a middle package and is characterized in that fixing columns are fixedly connected to the two ends of the bottom of the middle package, the bottom end of each fixing column is fixedly connected with the top of the threaded block, a rotating handle is arranged on one side of the threaded block, one side of the rotating handle is fixedly connected with one end of a threaded rod, the other end of the threaded rod penetrates through the threaded block and extends to the other side of the threaded block and one side of a connecting block, the top of the connecting block is connected with the bottom of the middle package in a sliding mode through a sliding block, and the other side of the connecting block is fixedly.
Preferably, a refractory sealing layer is arranged at the joint of the submerged nozzle body and the lower nozzle, and a refractory sealing layer is arranged at the joint of the submerged nozzle body and the tundish.
Preferably, the threaded block is in threaded connection with a threaded rod.
Preferably, one end of the threaded rod is fixedly connected with one side of the connecting block through a bearing.
Preferably, one side of the fixture block, which is close to the fixing block, is provided with a groove, and the groove is opposite to the fixing block.
Compared with the prior art, the beneficial effects of the utility model are that: the top of the submersed nozzle body is connected with the lower nozzle, the limit block can ensure that the submersed nozzle body is consistent with the center of the lower nozzle, the rotary handle is rotated to drive the threaded rod to rotate, the threaded rod is rotated to drive the connecting block to move forwards, and the connecting block drives the clamping block to move forwards, so that the clamping block fixes the fixing block, the submersed nozzle body and the lower nozzle can be ensured to be firmly connected, the molten steel corrosion resistance of the submersed nozzle body is improved by arranging slag lines on two sides of the submersed nozzle body, and the upper arc section and the lower arc section are arranged at the same time, so that molten steel residues are prevented from being hung on the surface of the submersed nozzle body, the service life of the submersed nozzle is prolonged, the whole device is simple in structure and convenient to use, the submersed nozzle body and the lower nozzle are firmly connected, and the phenomenon that the submersed nozzle body, the quality of molten steel is guaranteed, and the hidden danger of safety accidents is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the submerged nozzle body of the present invention;
fig. 3 is a schematic structural view of the fixing block and the fixing block of the present invention.
In the figure: 1. a submerged entry nozzle body; 2. an inner cavity; 3. a slag line; 4. an upper arc segment; 5. a lower arc segment; 6. a first liquid outlet; 7. a second liquid outlet; 8. a fixed block; 9. a water outlet; 10. a tundish; 11. a limiting block; 12. fixing a column; 13. a thread block; 14. rotating the handle; 15. a threaded rod; 16. connecting blocks; 17. a slider; 18. a clamping block; 19. a refractory seal layer; 20. and a bearing.
Detailed Description
The technical solutions 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 the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a durable submerged nozzle body comprises a submerged nozzle body 1, an inner cavity 2 is arranged inside the submerged nozzle body 1, slag lines 3 are arranged on two sides of the submerged nozzle body 1, an upper arc-shaped section 4 is arranged above the slag lines 3, one side of the upper arc-shaped section 4 is fixedly connected with one side of the submerged nozzle body 1, a lower arc-shaped section 5 is arranged below the slag lines 3, one side of the lower arc-shaped section 5 is fixedly connected with one side of the submerged nozzle body 1, a first liquid outlet 6 and a second liquid outlet 7 are respectively arranged on two sides of the lower end of the submerged nozzle body 1, fixed blocks 8 are fixedly connected on two sides of the upper end of the submerged nozzle body 1, a lower nozzle 9 is arranged at the top of the submerged nozzle body 1, a tundish 10 is arranged on the outer side of the lower nozzle 9, and a refractory sealing layer 19 is arranged at the joint of the submerged nozzle body, a fire-resistant sealing layer 19 is arranged at the joint of the submerged nozzle body 1 and the tundish 10, two limit blocks 11 are arranged at the bottom of the tundish 10, the two limit blocks 11 are respectively positioned at two sides of the top of the submerged nozzle body 1, fixed columns 12 are fixedly connected at two ends of the bottom of the tundish 10, the bottom ends of the fixed columns 12 are fixedly connected with the top of a threaded block 13, a rotating handle 14 is arranged at one side of the threaded block 13, one side of the rotating handle 14 is fixedly connected with one end of a threaded rod 15, the other end of the threaded rod 15 penetrates through the threaded block 13 and extends to the other side of the threaded block 13 to be fixedly connected with one side of a connecting block 16, the threaded block 13 is in threaded connection with the threaded rod 15, one end of the threaded rod 15 is fixedly connected with one side of the connecting block 16 through a bearing 20, the top of the connecting block 16 is in sliding connection with the bottom of, one side of the clamping block 18 close to the fixed block 8 is provided with a groove and is opposite to the fixed block 8, the top of the submerged nozzle body 1 is connected with the lower nozzle 9, the centers of the submerged nozzle body 1 and the lower nozzle 9 can be ensured to be consistent through the limiting block 11, the threaded rod 15 is driven to rotate through the rotating of the rotating handle 14, the connecting block 16 is driven to move forward through the rotation of the threaded rod 15, the connecting block 16 drives the clamping block 18 to move forward, so that the clamping block 18 fixes the fixed block 8, the submerged nozzle body 1 and the lower nozzle 9 can be ensured to be firmly connected, the molten steel corrosion resistance of the submerged nozzle body 1 is improved through arranging the slag lines 3 on two sides of the submerged nozzle body 1, the upper arc-shaped section 4 and the lower arc-shaped section 5 are arranged at the same time, the molten steel residues are prevented from being hung on the surface of the, whole device simple structure, convenient to use, immersion nozzle body 1 and lower mouth of a river 9 firm in connection have effectually avoided producing between immersion nozzle body 1 and the lower mouth of a river 9 crooked and breathe in, have guaranteed the quality of molten steel, have stopped the hidden danger that the incident takes place.
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 (5)
1. A durable immersion nozzle body, comprising an immersion nozzle body (1), characterized in that: an inner cavity (2) is arranged inside the submerged nozzle body (1), slag lines (3) are arranged on two sides of the submerged nozzle body (1), an upper arc-shaped section (4) is arranged above the slag lines (3), one side of the upper arc-shaped section (4) is fixedly connected with one side of the submerged nozzle body (1), a lower arc-shaped section (5) is arranged below the slag lines (3), one side of the lower arc-shaped section (5) is fixedly connected with one side of the submerged nozzle body (1), a first liquid outlet (6) and a second liquid outlet (7) are respectively arranged on two sides of the lower end of the submerged nozzle body (1), fixed blocks (8) are fixedly connected on two sides of the upper end of the submerged nozzle body (1), a lower nozzle (9) is arranged at the top of the submerged nozzle body (1), a tundish (10) is arranged on the outer side of the lower nozzle (9), the bottom of the tundish (10) is provided with two limiting blocks (11), the two limiting blocks (11) are respectively positioned at two sides of the top of the submerged nozzle body (1), both ends of the bottom of the tundish (10) are fixedly connected with fixed columns (12), the bottom ends of the fixed columns (12) are fixedly connected with the tops of the thread blocks (13), a rotating handle (14) is arranged on one side of the thread block (13), one side of the rotating handle (14) is fixedly connected with one end of a threaded rod (15), the other end of the threaded rod (15) penetrates through the thread block (13), and the other side of the screw block (13) is fixedly connected with one side of the connecting block (16), the top of the connecting block (16) is connected with the bottom of the tundish (10) in a sliding way through a sliding block (17), the other side of the connecting block (16) is fixedly connected with one side of the clamping block (18).
2. A durable submerged entry nozzle body according to claim 1, wherein: the connection of immersion nozzle body (1) and lower mouth of a river (9) is provided with fire-resistant sealing layer (19), the connection of immersion nozzle body (1) and middle package (10) is provided with fire-resistant sealing layer (19).
3. A durable submerged entry nozzle body according to claim 1, wherein: the thread block (13) is in threaded connection with the threaded rod (15).
4. A durable submerged entry nozzle body according to claim 1, wherein: one end of the threaded rod (15) is fixedly connected with one side of the connecting block (16) through a bearing (20).
5. A durable submerged entry nozzle body according to claim 1, wherein: one side of the clamping block (18) close to the fixing block (8) is provided with a groove and is opposite to the fixing block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807407.XU CN211161908U (en) | 2019-10-25 | 2019-10-25 | Durable immersion type water gap body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807407.XU CN211161908U (en) | 2019-10-25 | 2019-10-25 | Durable immersion type water gap body |
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| Publication Number | Publication Date |
|---|---|
| CN211161908U true CN211161908U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921807407.XU Active CN211161908U (en) | 2019-10-25 | 2019-10-25 | Durable immersion type water gap body |
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| CN (1) | CN211161908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857470A (en) * | 2021-09-15 | 2021-12-31 | 昆明理工大学 | Water gap protection device for metallurgical container |
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2019
- 2019-10-25 CN CN201921807407.XU patent/CN211161908U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857470A (en) * | 2021-09-15 | 2021-12-31 | 昆明理工大学 | Water gap protection device for metallurgical container |
| CN113857470B (en) * | 2021-09-15 | 2022-12-16 | 昆明理工大学 | Water gap protection device for metallurgical container |
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