CN212598853U - Pouring gate brick for casting of vacuum induction furnace - Google Patents
Pouring gate brick for casting of vacuum induction furnace Download PDFInfo
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- CN212598853U CN212598853U CN202020830661.8U CN202020830661U CN212598853U CN 212598853 U CN212598853 U CN 212598853U CN 202020830661 U CN202020830661 U CN 202020830661U CN 212598853 U CN212598853 U CN 212598853U
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Abstract
An object of the utility model is to provide a pouring gate brick is used in casting of vacuum induction furnace, include: the outer part of the gate brick body is cylindrical; the circular trapezoid cavity is arranged at one end in the sprue brick body; and the cylindrical cavity is arranged at the other end in the sprue brick body and is connected with the round trapezoid cavity. Further, the diameter of the upper surface and the lower surface of the cylindrical cavity is 20mm, and the height of the cylindrical cavity is 50 mm. The beneficial effects of the utility model are that, the molten steel velocity of flow greatly reduced, the molten steel has reduced the damage of ingot mould to the scouring force greatly reduced of ingot mould inner wall. Meanwhile, slag and impurities are effectively prevented from entering the steel ingot, and the quality of the steel ingot is improved.
Description
Technical Field
The utility model discloses mainly apply to the vacuum induction furnace and smelt the field, specifically be a pouring gate brick is used in vacuum induction furnace casting.
Background
The pouring gate brick is a pouring gate device during steel ingot casting and is placed above a casting head, and when the steel ingot is cast, molten steel is poured into the pouring gate brick at first and then flows into the steel ingot mold stably until the whole ingot mold and the casting head are filled. The function of the device is to receive molten steel, prevent the molten steel from splashing and overflowing and facilitate pouring; reducing the direct impact of the molten steel on the ingot mould; and partial slag and impurities generated during smelting are blocked and prevented from entering the steel ingot mold.
At present, a pouring gate brick purchased in a pilot plant base is funnel-shaped, the funnel surface of a pouring cavity is steeper, and the diameter of a water opening at the bottom is larger. When molten steel enters the pouring gate brick, a large horizontal vortex can be formed along the inner surface, the flow velocity of the molten steel is increased when the molten steel enters the ingot mould, the impact force is increased, the inner surface of the ingot mould is greatly washed, the steel ingot and the ingot mould can be adhered together in the steel ingot cooling process, great difficulty is brought to subsequent demoulding, the inner wall of the ingot mould is damaged in different degrees, and the ingot mould can be possibly scrapped. Secondly, the flow velocity of the molten steel is increased, slag and impurities generated during smelting can be brought into the steel ingot, the internal quality of the steel ingot is influenced, and even the mechanical property of a rolled material is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a sprue brick is used in casting of vacuum induction furnace.
An object of the utility model is to provide a pouring gate brick is used in casting of vacuum induction furnace, include:
the outer part of the gate brick body is cylindrical;
the circular trapezoid cavity is arranged at one end in the sprue brick body; when molten steel is poured, the cavity for receiving the molten steel is a circular trapezoid cavity.
And the cylindrical cavity is arranged at the other end in the sprue brick body and is connected with the round trapezoid cavity.
Further, the diameter of the upper surface and the lower surface of the cylindrical cavity is 20mm, and the height of the cylindrical cavity is 50 mm.
Furthermore, the diameter of the upper bottom of the circular trapezoid cavity is 200mm, the diameter of the lower bottom is 110mm, and the height is 100 mm.
The utility model discloses advantage for prior art is: the flow velocity of the molten steel is greatly reduced, the scouring force of the molten steel on the inner wall of the ingot mould is greatly reduced, and the damage of the ingot mould is reduced. Meanwhile, slag and impurities are effectively prevented from entering the steel ingot, and the quality of the steel ingot is improved.
Drawings
FIG. 1 is a structural cross-sectional view of a pouring gate brick for casting in a vacuum induction furnace according to the present invention;
description of reference numerals:
1-sprue brick body
2-round trapezoid cavity
3-cylindrical cavity.
Detailed Description
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
In a specific embodiment, the utility model provides a pouring gate brick is used in vacuum induction furnace casting. Referring to fig. 1, a structure of a pouring block for vacuum induction furnace casting according to an embodiment of the present invention is shown.
The embodiment of the utility model provides a pouring gate brick is used in casting of vacuum induction furnace, include:
the outer part of the gate brick body is cylindrical;
the circular trapezoid cavity is arranged at one end in the sprue brick body;
and the cylindrical cavity is arranged at the other end in the sprue brick body and is connected with the round trapezoid cavity.
Further, the diameter of the upper surface and the lower surface of the cylindrical cavity is 20mm, and the height of the cylindrical cavity is 50 mm.
Furthermore, the diameter of the upper bottom of the circular trapezoid cavity is 200mm, the diameter of the lower bottom is 110mm, and the height is 100 mm.
Compared with the prior art, the utility model provides a pair of sprue brick for vacuum induction furnace casting has following advantage:
the utility model discloses runner brick for vacuum induction furnace, pond formation. A small platform is added in the cavity of the sprue brick, the diameter of the platform is 110mm, and the height of the platform is 50 mm. The diameter of the bottom water gap is 20 mm. Namely, the height of the cylindrical cavity is 50mm, and the diameter is 20 mm. The horizontal eddy of the molten steel is reduced by the blocking of the middle small platform, the flow speed is greatly reduced, the molten steel can stably enter the ingot mold, the scouring force of the molten steel on the inner wall of the ingot mold is greatly reduced, and the damage of the ingot mold is reduced. Meanwhile, the slag and impurities are effectively prevented from entering the steel ingot.
The above is to the detailed introduction provided by the present invention. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (3)
1. A pouring gate brick for casting of a vacuum induction furnace is characterized by comprising:
a sprue brick body, the exterior of which is cylindrical;
the circular trapezoid cavity is arranged at one end in the sprue brick body;
and the cylindrical cavity is arranged at the other end in the sprue brick body and is connected with the round trapezoid cavity.
2. The gate brick for vacuum induction furnace casting according to claim 1, wherein the diameter of the upper and lower surfaces of the cylindrical cavity is 20mm, and the height of the cylindrical cavity is 50 mm.
3. The gate brick for vacuum induction furnace casting according to claim 1, wherein the diameter of the upper bottom of the circular trapezoid cavity is 200mm, the diameter of the lower bottom is 110mm, and the height is 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020830661.8U CN212598853U (en) | 2020-05-18 | 2020-05-18 | Pouring gate brick for casting of vacuum induction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020830661.8U CN212598853U (en) | 2020-05-18 | 2020-05-18 | Pouring gate brick for casting of vacuum induction furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212598853U true CN212598853U (en) | 2021-02-26 |
Family
ID=74723686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020830661.8U Active CN212598853U (en) | 2020-05-18 | 2020-05-18 | Pouring gate brick for casting of vacuum induction furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212598853U (en) |
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2020
- 2020-05-18 CN CN202020830661.8U patent/CN212598853U/en active Active
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