CN211386892U - Continuous casting tundish nozzle steady flow brick cup - Google Patents
Continuous casting tundish nozzle steady flow brick cup Download PDFInfo
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- CN211386892U CN211386892U CN201921298040.3U CN201921298040U CN211386892U CN 211386892 U CN211386892 U CN 211386892U CN 201921298040 U CN201921298040 U CN 201921298040U CN 211386892 U CN211386892 U CN 211386892U
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Abstract
The utility model discloses a stationary flow brick cup of continuous casting tundish nozzle relates to refractory material preparation field. The utility model discloses a: molten steel inlet, brick cup, molten steel water conservancy diversion arc, last mouth of a river and the contact surface of brick cup, last mouth of a river installation position. The diameter of the bottom of the molten steel diversion arc is smaller than that of the contact surface of the upper nozzle and the brick cup, so that the effective contact surface of the molten steel and the brick cup is enlarged. The utility model aims to overcome the problem that current tundish nozzle pocket brick life is short and the steel accident easily takes place, provide a long service life and molten steel scouring resistant tundish nozzle stationary flow pocket brick. The utility model discloses a bowl form molten steel entry and molten steel water conservancy diversion arc buffering molten steel are to the dynamics of scouring away of brick cup, prolong the life of brick cup, the brick cup adopts high temperature resistant aluminium carbon material, has avoided the emergence of wearing the steel accident.
Description
Technical Field
The utility model relates to a refractory material continuous casting processing technology field, in particular to stationary flow brick cup of continuous casting tundish nozzle.
Background
Iron and steel is an important basic raw material, and plays a very important role in economic development of various countries in the world. The tundish nozzle is an intermediate link of a steelmaking production flow and is a joint point which is changed from intermittent operation to continuous operation. The tundish nozzle is used as a refractory material container, and the poured molten steel is mainly distributed into each crystallizer through the tundish nozzle. The tundish nozzle is an important link for improving the quality and the yield of steel, and the function of the tundish nozzle is not negligible no matter the continuous casting operation is smoothly carried out or the quality of molten steel is ensured to meet the requirement.
At present, domestic refractory material research and manufacturing workers are dedicated to improving the service life of an upper nozzle and a lower nozzle by increasing the height and the wall thickness of inner cores of the inner walls of the upper nozzle and the lower nozzle of a tundish, but because of the inherent characteristics of assembly in the prior art, the lower section is a straight-line section to stabilize injection flow, the inner cores cannot be effectively protected, so that in the pouring process of the nozzle of the tundish, molten steel can directly scour the inner walls of the upper nozzle and the lower nozzle in a large amount, when the molten steel scours to a certain degree, the steel penetrating accidents of the upper nozzle and the lower nozzle are easily caused, and the service life of the refractory material of the nozzle pocket brick of the tundish and the safety of.
Therefore, it is desirable to provide a tundish nozzle pocket block structure with shunting and protecting functions, and erosion and corrosion resistance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that overcomes current tundish nozzle pocket brick life weak point and easy emergence steel-piercing accident among the prior art, provide a long service life and molten steel scouring resistant tundish nozzle stationary flow pocket brick. The utility model discloses a molten steel water conservancy diversion arc reposition of redundant personnel of bowl mouth shape slows down the dynamics of scouring of molten steel to the brick cup, is less than the diameter of the mouth of a river and the brick cup contact surface through molten steel water conservancy diversion arc bottom diameter, has increased the effective contact surface of molten steel with the brick cup to slowed down the dynamics of scouring of molten steel to the brick cup, prolonged the practical life of brick cup, the brick cup adopts high temperature resistant aluminium carbon material, has avoided the emergence of steel-piercing accident.
For realizing the purpose of the utility model, the utility model discloses a technical scheme include: the steady flow brick cup for the continuous casting tundish nozzle comprises a molten steel inlet 1, a brick cup 2, a molten steel flow guiding arc 3, a contact surface 4 of a nozzle and the brick cup and a nozzle mounting position 5, wherein the molten steel inlet 1 is bowl-shaped, the molten steel flow guiding arc 3 is arc-shaped, so that the nozzle is convenient to open and close, the flowing resistance of molten steel is reduced, the diameter of the bottom of the molten steel flow guiding arc 3 is smaller than that of the contact surface 4 of the nozzle and the brick cup, and the effective contact surface of the molten steel and the brick cup 2 is increased.
Further, the diameter of the bottom opening of the molten steel inlet 1 is 1/5 to 4/5 of the diameter of the top opening.
Further, the diameter of the bottom of the molten steel guiding arc 3 is 1/3-2/3 of the diameter of the contact surface 4 of the water feeding port and the brick cup.
Further, the brick cup 2 is made of high-temperature-resistant aluminum-carbon materials.
Compared with the prior art, the utility model has the advantages that: the bottom diameter of the molten steel guiding arc is smaller than the diameter of the contact surface of the upper nozzle and the brick cup, so that the effective contact surface of the molten steel and the brick cup is increased, the scouring force of the molten steel brick cup is greatly reduced by combining the bottom diameter of the molten steel guiding arc and the diameter of the contact surface of the upper nozzle and the brick cup, the practical service life of the brick cup is prolonged, and the brick cup is made of high-temperature-resistant aluminum-carbon materials, so that the steel-through accident is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a cross-sectional view of a steady flow brick cup structure for a nozzle of a continuous casting tundish provided in an embodiment of the present invention.
In the drawings: 1. a molten steel inlet; 2. brick setting; 3. guiding arc of molten steel; 4. the contact surface of the water feeding port and the brick cup; 5. and a water feeding port mounting position.
Detailed Description
In view of the deficiencies in the prior art, the technical solution of the present invention can be provided through long-term research and a large amount of practice. 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.
Fig. 1 is a cross-sectional view of a steady flow brick cup structure for a nozzle of a continuous casting tundish provided in an embodiment of the present invention. As shown in fig. 1, the embodiment of the present invention provides a steady flow brick cup for a nozzle of a continuous casting tundish, comprising: the molten steel inlet 1 is bowl-shaped, the molten steel guiding arc 3 is arc-shaped, so that the nozzle is convenient to open and close, the flowing resistance of molten steel is reduced, the diameter of the bottom of the molten steel inlet 1 is smaller than that of the top, the diameter of the bottom of the molten steel guiding arc 3 is smaller than that of the contact surface 4 of the nozzle and the brick cup, the effective contact surface of the molten steel and the brick cup 2 is enlarged, and the scouring of the molten steel on the brick cup is slowed down.
The embodiment of the utility model provides a steady flow brick cup of continuous casting tundish nozzle, 1 bottom opening diameter of molten steel entry is between 1/5 to 4/5 of open-top diameter. The diameter of the upper part is larger than that of the lower part, so that the scouring of the brick cup by the molten steel is slowed down.
The embodiment of the utility model provides a continuous casting tundish nozzle stationary flow brick cup, 3 bottom diameters of molten steel water conservancy diversion arc are between 1/3 to 2/3 of the mouth of a river and 4 diameters of brick cup contact surface.
The embodiment of the utility model provides a pair of continuous casting tundish nozzle stationary flow brick cup, brick cup 2 adopts high temperature resistant aluminium carbon material.
To sum up, the utility model provides a pair of package mouth of a river stationary flow brick cup in middle of continuous casting adopts bowl form molten steel entry and molten steel water conservancy diversion arc to slow down the dynamics of scouring of molten steel to the brick cup, adopts molten steel water conservancy diversion arc bottom diameter to be less than the diameter of mouth of a river and brick cup contact surface in addition, has increased the effective contact surface of molten steel with the brick cup, and the two combines together the dynamics of scouring that has slowed down the molten steel brick cup greatly to the life of extension brick cup, the brick cup adopts high temperature resistant aluminium carbon material, has avoided the emergence of steel-piercing accident.
The utility model provides a pair of ladle mouth of a river stationary flow brick cup in middle of continuous casting, it should understand, above-mentioned embodiment is only for the description the utility model discloses a technical conception and characteristics, its aim at let the personage of familiar with this technique can understand the utility model discloses a content is according to with the implementation, can not restrict with this the utility model discloses a protection scope. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. A steady flow brick cup of a continuous casting tundish nozzle is characterized by comprising: the molten steel inlet is bowl-shaped, the molten steel flow guiding arc is arc-shaped, the water gap is convenient to open and close, the flowing resistance of molten steel is reduced, the diameter of the bottom of the molten steel flow guiding arc is smaller than that of the contact surface of the water gap and the brick cup, and the effective contact surface of the molten steel and the brick cup is enlarged.
2. The steady flow brick cup for the nozzle of the continuous casting tundish according to claim 1, wherein: the diameter of the bottom opening of the molten steel inlet is 1/5-4/5 of the diameter of the top opening.
3. The steady flow brick cup for the nozzle of the continuous casting tundish according to claim 1, wherein: the diameter of the bottom of the molten steel diversion arc is 1/3-2/3 of the diameter of the contact surface of the water feeding port and the brick cup.
4. The steady flow brick cup for the nozzle of the continuous casting tundish according to claim 1, wherein: the brick cup is made of high-temperature-resistant aluminum-carbon materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298040.3U CN211386892U (en) | 2019-08-17 | 2019-08-17 | Continuous casting tundish nozzle steady flow brick cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298040.3U CN211386892U (en) | 2019-08-17 | 2019-08-17 | Continuous casting tundish nozzle steady flow brick cup |
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| Publication Number | Publication Date |
|---|---|
| CN211386892U true CN211386892U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921298040.3U Active CN211386892U (en) | 2019-08-17 | 2019-08-17 | Continuous casting tundish nozzle steady flow brick cup |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434323A (en) * | 2019-08-17 | 2019-11-12 | 泰州市旺鑫耐火材料有限公司 | A kind of continuous casting intermediate inlet current stabilization brick cup |
-
2019
- 2019-08-17 CN CN201921298040.3U patent/CN211386892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434323A (en) * | 2019-08-17 | 2019-11-12 | 泰州市旺鑫耐火材料有限公司 | A kind of continuous casting intermediate inlet current stabilization brick cup |
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