CN215786731U - Composite nozzle brick cup prefabricated part - Google Patents
Composite nozzle brick cup prefabricated part Download PDFInfo
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- CN215786731U CN215786731U CN202122354087.0U CN202122354087U CN215786731U CN 215786731 U CN215786731 U CN 215786731U CN 202122354087 U CN202122354087 U CN 202122354087U CN 215786731 U CN215786731 U CN 215786731U
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- brick
- lining brick
- inner lining
- outer lining
- composite nozzle
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Abstract
The utility model discloses a composite nozzle pocket brick prefabricated part which comprises a pocket brick body, wherein the pocket brick body comprises an inner lining brick and an outer lining brick, a feed inlet is formed in the central position of the upper part of the inner lining brick, a discharge outlet is formed in the central position of the lower part of the inner lining brick, the feed inlet is communicated with the discharge outlet, and the outer lining brick is integrally wrapped outside the inner lining brick. The utility model has the beneficial effects that: the utility model is provided with the inner lining brick and the outer lining brick, the inner lining brick is made of corundum spinel material with higher temperature resistance, the service life of the prefabricated part of the nozzle brick cup is prolonged, the outer lining brick is not in direct contact with molten steel in actual use, the outer lining brick is made of magnesia carbon brick material, the brick outer lining brick reduces the cost of raw materials by properly reducing the grade of the raw materials, and the purpose of improving the enterprise benefit is achieved under the condition of ensuring the reliability of the product quality.
Description
Technical Field
The utility model relates to the technical field of ladle refractory materials, in particular to a composite nozzle pocket brick prefabricated part.
Background
With the development of technological innovation of high quality and high technology in recent years, the demand for smelting clean steel and high-specification steel grades is increased year by year, and meanwhile, higher requirements are provided for a steel ladle refining process of a steel plant, the smelting time is long, alloy elements are introduced, the smelting temperature is increased, and the like. Therefore, new requirements are put on the use of the steelmaking refractory material, particularly the performance requirements of the ladle nozzle pocket brick. Through analysis, the main reasons for the damage of the ladle nozzle pocket brick are the scouring, erosion and thermal shock damage of molten steel.
In addition, as the nozzle pocket brick is buried in the ladle bottom casting material, molten iron in the ladle does not contact with the outer side of the nozzle pocket brick but contacts with the inner side of the nozzle pocket brick, and the temperature inside the nozzle pocket brick is higher than that outside, the inner side of the nozzle pocket brick is easily damaged by scouring, erosion and thermal shock.
Therefore, there is a need for a composite nozzle block preform that addresses the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies of the prior art, it is an object of the present invention to provide a composite nozzle brick preform that solves the above-mentioned problems.
The utility model provides a compound mouth of a river brick cup prefab, includes the brick cup body, the brick cup body includes inside lining brick and outer lining brick, the upper portion central point of inside lining brick puts and is provided with the feed inlet, the lower part central point of inside lining brick puts and is provided with the discharge gate, feed inlet and discharge gate intercommunication, the integrative parcel of outer lining brick is in outside the inside lining brick, be connected the reinforcing connecting rod between outside lining brick and the inside lining brick.
Preferably, a lifting lug is arranged at one of the corners of the upper part of the lining brick.
Preferably, the feed inlet is in the shape of an inverted cone.
Preferably, the discharge hole is a tapered hole.
Preferably, the lining brick is made of magnesia carbon brick material.
Preferably, the outer lining is made of corundum spinel material.
Preferably, the shape of the brick cup body is cylindrical or rectangular parallelepiped.
Preferably, the shape of the brick cup body is cylindrical or rectangular parallelepiped.
Compared with the prior art, the utility model has the beneficial effects that: the utility model is provided with the inner lining brick and the outer lining brick, the inner lining brick is made of corundum spinel material with higher temperature resistance, the service life of the prefabricated part of the nozzle brick cup is prolonged, the outer lining brick is not in direct contact with molten steel in actual use, the outer lining brick is made of magnesia carbon brick material, the brick outer lining brick reduces the cost of raw materials by properly reducing the grade of the raw materials, and the purpose of improving the enterprise benefit is achieved under the condition of ensuring the reliability of the product quality.
Drawings
Fig. 1 is a block diagram of a composite nozzle block preform of the present invention;
FIG. 2 is a view of the internal cross-section of the present invention;
fig. 3 is a block diagram of another embodiment of the present invention.
Reference numbers in the figures: 1. a brick cup body; 2. lining bricks; 3. an outer lining brick; 4. a feed inlet; 5. a discharge port; 6. lifting lugs; 7. the connecting rod is reinforced.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The embodiments of the utility model will be described in detail below with reference to the drawings, but the utility model can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 in combination with fig. 2 and 3, a composite nozzle brick cup prefabricated member comprises a brick cup body 1, wherein the brick cup body 1 comprises an inner lining brick 2 and an outer lining brick 3, a feed inlet 4 is arranged at the central position of the upper part of the inner lining brick 2, a discharge outlet 5 is arranged at the central position of the lower part of the inner lining brick 2, the feed inlet 4 is communicated with the discharge outlet 5, the outer lining brick 3 is integrally wrapped outside the inner lining brick 4, and a reinforcing connecting rod 7 is connected between the outer lining brick 3 and the inner lining brick 4. The reinforcing connecting rod improves the connection strength between the inner lining brick 2 and the outer lining brick 3.
Further, a lifting lug 6 is arranged at one of a pair of corners of the upper part of the brick cup body 1.
The beneficial effects of the further technical scheme are that: the lifting lug 6 is convenient to hoist, wherein the lifting lug 6 is placed into the brick cup body 1 when the brick cup body 1 is poured, so that the lifting lug 6 is firmly connected with the brick cup body 1.
Further, the feed inlet 4 is in an inverted cone shape.
Further, the discharge hole 5 is a tapered hole.
The beneficial effects of the further technical scheme are that: the diameter of the bottom of the inverted cone-shaped feeding hole 4 is smaller than that of the top of the discharging hole 5, and the top of the upper nozzle arranged in the lower part is not completely exposed under the molten steel, so that the direct scouring of the molten steel is avoided; the upper surface of the water feeding port and the contact part of the water feeding port and the nozzle pocket brick can be protected, and the whole inner wall of the nozzle pocket brick is protected from being damaged during flame cleaning.
Further, the lining brick 2 is made of magnesia carbon brick material.
The beneficial effects of the further technical scheme are that: the magnesia carbon brick can resist high temperature, such as 2800 ℃.
Further, the lining brick 3 is made of corundum spinel material.
The beneficial effects of the further technical scheme are that: the refractory corundum spinel material has high refractory temperature, the service temperature of the refractory corundum brick is more than 1700 ℃, and the refractoriness reaches 1990 ℃.
Further, the shape of the brick cup body 1 is cylindrical or rectangular.
The beneficial effects of the further technical scheme are that: the shape of the brick cup can be made into a matched shape according to the shape of the ladle nozzle, and the brick cup is not limited to a cylindrical shape or a rectangular shape.
Compared with the prior art, the utility model has the beneficial effects that: the utility model is provided with the inner lining brick 2 and the outer lining brick 3, the inner lining brick 2 is made of corundum spinel material with higher temperature resistance, the service life of the prefabricated part of the nozzle brick cup is prolonged, the outer lining brick is not in direct contact with molten steel in actual use, the outer lining brick is made of magnesia carbon brick material, the brick outer lining brick 3 reduces the cost of raw materials by properly reducing the grade of the raw materials, and the purpose of improving enterprise benefit is achieved under the condition of ensuring the reliability of product quality.
The working principle is as follows:
the outer lining brick 3 is integrally wrapped outside the inner lining brick 4, the reinforcing connecting rod 7 is connected between the outer lining brick 3 and the inner lining brick 4, the upper central position of the inner lining brick 2 is provided with the feeding hole 4, the lower central position of the inner lining brick 2 is provided with the discharging hole 5, and the feeding hole 4 is communicated with the discharging hole 5.
The manufactured lining brick is placed in a brick cup manufacturing mold (a certain number of reinforcing connecting rods 7 are inserted outside the lining brick when the lining brick is manufactured), a corundum spinel material is poured outside the lining brick, then lifting lugs 6 are placed at the opposite corners of the upper portion of the brick cup, and demolding and molding are carried out after the brick cup is dried.
And (3) hoisting the prepared brick cup body 1 at the water opening of the ladle by using a crane through the lifting lugs 6.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a compound mouth of a river brick cup prefab, includes brick cup body (1), its characterized in that: the brick cup body (1) comprises an inner lining brick (2) and an outer lining brick (3), a feed inlet (4) is formed in the center of the upper portion of the inner lining brick (2), a discharge outlet (5) is formed in the center of the lower portion of the inner lining brick (2), the feed inlet (4) is communicated with the discharge outlet (5), the outer lining brick (3) is integrally wrapped outside the inner lining brick (2), and a reinforcing connecting rod (7) is connected between the outer lining brick (3) and the inner lining brick (2).
2. A composite nozzle block preform as claimed in claim 1, wherein: lifting lugs (6) are arranged at one of the two corners of the upper part of the brick cup body (1).
3. A composite nozzle block preform as claimed in claim 1, wherein: the feed inlet (4) is in an inverted cone shape.
4. A composite nozzle block preform as claimed in claim 1, wherein: the discharge hole (5) is a conical hole.
5. A composite nozzle block preform as claimed in claim 1, wherein: the lining brick (2) is made of magnesia carbon brick material.
6. A composite nozzle block preform as claimed in claim 1, wherein: the external lining brick (3) is made of corundum spinel material.
7. A composite nozzle block preform as claimed in claim 1, wherein: the brick cup body (1) is cylindrical or cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122354087.0U CN215786731U (en) | 2021-09-26 | 2021-09-26 | Composite nozzle brick cup prefabricated part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122354087.0U CN215786731U (en) | 2021-09-26 | 2021-09-26 | Composite nozzle brick cup prefabricated part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215786731U true CN215786731U (en) | 2022-02-11 |
Family
ID=80167189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122354087.0U Active CN215786731U (en) | 2021-09-26 | 2021-09-26 | Composite nozzle brick cup prefabricated part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215786731U (en) |
-
2021
- 2021-09-26 CN CN202122354087.0U patent/CN215786731U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A composite nozzle seat brick prefabricated part Effective date of registration: 20220818 Granted publication date: 20220211 Pledgee: Bank of China Limited Wuhan Qingshan sub branch Pledgor: WUHAN RUXING TECHNOLOGY CO.,LTD. Registration number: Y2022420000260 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |