CN214079239U - Impact-resistant slag blocking wall - Google Patents
Impact-resistant slag blocking wall Download PDFInfo
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- CN214079239U CN214079239U CN202022523640.4U CN202022523640U CN214079239U CN 214079239 U CN214079239 U CN 214079239U CN 202022523640 U CN202022523640 U CN 202022523640U CN 214079239 U CN214079239 U CN 214079239U
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Abstract
The utility model discloses an impact-resistant slag wall, including the intermediate wall, the both sides difference fixedly connected with left side wall and right side wall of intermediate wall, just intermediate wall, left side wall and right side wall set up to trapezoidal, the inboard of intermediate wall is provided with V-arrangement pushing off slag portion, the both sides of intermediate wall and the contact department fixedly connected with arc rib of left side wall and right side wall, the bottom of the both sides of intermediate wall is provided with first class steel hole respectively, the both sides of intermediate wall and the below that is located first class steel hole are provided with the second steel hole. The utility model discloses in, intermediate wall, left side wall and right side wall set up to trapezoidal receiving the impact strength that can improve this pushing off the slag wall, and are favorable to this pushing off the drawing of patterns shaping of slag wall, and V-arrangement pushing off the slag portion can improve the receiving impact strength of intermediate wall simultaneously, and the arc rib can prevent that the junction of intermediate wall and left side wall, right side wall from splitting, improves the resistant impact strength of this pushing off the slag wall.
Description
Technical Field
The utility model relates to a pouring equipment's accessory technical field especially relates to an impact-resistant slag wall in the ferrous metallurgy trade.
Background
Along with the development of science and technology, the ferrous metallurgy technology is continuously rising, every modern steel enterprise pursues high-quality casting blank, the use of the slag wall is a necessary mode in the metallurgy continuous casting process, the slag wall is formed by casting in the traditional metallurgy process, the main material is magnesium aluminum or magnesium, the production process is complex, the requirement on the material is strict, the cost of the slag wall is continuously increased due to the continuous rising of the price of the main raw materials of refractory materials such as magnesia, alumina and the like, and a refractory material manufacturer needs a novel retaining wall to reduce the cost so as to improve the industrial competitiveness. In a continuous casting tundish, the slag wall can change the flowing state of molten steel in the tundish, impurities in the molten steel can be promoted to float upwards by increasing the residence time of the molten steel in the tundish, the molten steel is cleaner, meanwhile, the time for the molten steel to flow to each water gap is basically the same, the flow field structure of the tundish is changed, dead zones are reduced, and the slag wall can also prevent the impurities in the molten steel from entering a non-impact zone;
the slag blocking wall in the prior art is generally a planar wall body, and steel flowing holes are formed in the wall body, so that on one hand, a good slag blocking effect cannot be achieved, and on the other hand, the flow direction of molten steel cannot be reasonably distributed, so that the molten steel forms uniform heat flow distribution in an injection area.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an impact-resistant slag-stopping wall.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an impact-resistant slag wall, includes middle wall, the both sides difference fixedly connected with left side wall and the right side wall of middle wall, just middle wall, left side wall and right side wall set up to trapezoidal, the inboard of middle wall is provided with V-arrangement slag bridge portion, the both sides of middle wall and the contact department fixedly connected with arc rib of left side wall and right side wall, the bottom of the both sides of middle wall is provided with first class steel hole respectively, the both sides of middle wall and the below that is located first class steel hole are provided with the second steel hole.
As a further description of the above technical solution:
the first steel flowing holes and the second steel flowing holes are symmetrically distributed along the center line of the middle wall respectively.
As a further description of the above technical solution:
the first steel stream hole and the second steel stream hole are trapezoidal, and the diameters of the water inlet holes of the first steel stream hole and the second steel stream hole are larger than the diameters of the water outlet holes.
As a further description of the above technical solution:
the first flow steel hole and the second flow steel hole are distributed in a mirror image mode.
As a further description of the above technical solution:
the depth of the highest point of the V-shaped slag stopping part relative to the inner side bulge of the middle wall is 130mm-150mm, and the angle of the impact part of the V-shaped slag stopping part is set to be 120 degrees-150 degrees.
As a further description of the above technical solution:
and magnesium refractory material coatings are respectively arranged on two sides of the middle wall, the left side wall and the right side wall.
As a further description of the above technical solution:
the bottom thicknesses of the middle wall, the left wall and the right wall are 120-140 mm, and the top thicknesses of the middle wall, the left wall and the right wall are 80-100 mm.
The utility model discloses following beneficial effect has:
1. the impact-resistant slag blocking wall comprises a middle wall, a first steel runner hole and a second steel runner hole, wherein the first steel runner hole and the second steel runner hole are located at the bottom of the middle wall, the lengths of the first steel runner hole and the second steel runner hole are longer, and the diameters of water inlet holes of the first steel runner hole and the second steel runner hole are larger than the diameter of a water outlet hole, so that the outflow speed of molten steel is slowed down, the molten steel is enabled to fully stay in an injection area, floating removal of inclusions is facilitated, the first steel runner hole and the second steel runner hole are distributed in a mirror image mode, the molten steel is enabled to be mutually crossed when flowing out, and heat flow distribution is even.
2. This resistant impact slag-stopping wall, through the intermediate wall, left side wall and the right side wall that set up, intermediate wall, left side wall and right side wall set up to trapezoidal can improve this slag-stopping wall's the received impact strength, and are favorable to the drawing of patterns shaping of this slag-stopping wall, and V-arrangement slag-stopping portion can improve the received impact strength of intermediate wall simultaneously, and the arc rib can prevent the junction fracture of intermediate wall and left side wall, right side wall, improves this slag-stopping wall's resistant impact strength.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the structure of the middle wall of the present invention.
Illustration of the drawings:
1. a middle wall; 2. a left side wall; 3. a right side wall; 4. a V-shaped slag stopping part; 5. an arc-shaped reinforcing portion; 6. a first runner orifice; 7. and a second runner hole.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, the present invention provides an embodiment: an impact-resistant slag wall comprises a middle wall 1, wherein two sides of the middle wall 1 are respectively and fixedly connected with a left side wall 2 and a right side wall 3, the middle wall 1, the left side wall 2 and the right side wall 3 are trapezoidal, the impact-resistant strength of the bottom of the slag wall can be effectively improved, the slag wall is prevented from being broken from the bottom, a V-shaped slag stopping part 4 is arranged on the inner side of the middle wall 1, an arc-shaped reinforcing part 5 is fixedly connected at the contact part of the two sides of the middle wall 1 and the left side wall 2 and the right side wall 3, the arc-shaped reinforcing part 5 can prevent the connection part of the middle wall 1 and the left side wall 2 and the right side wall 3 from being broken, the impact-resistant strength of the slag wall is improved, first steel holes 6 are respectively arranged at the bottoms of the two sides of the middle wall 1, second steel holes 7 are arranged below the first steel holes 6, the length of the first and second flow openings 6, 7 may be increased.
The first steel flowing holes 6 and the second steel flowing holes 7 are respectively and symmetrically distributed along the central line of the middle wall 1.
The first steel runner hole 6 and the second steel runner hole 7 are trapezoidal, and the diameters of the water inlet holes of the first steel runner hole 6 and the second steel runner hole 7 are larger than the diameters of the water outlet holes, so that the outflow speed of molten steel is slowed down, the molten steel is enabled to fully stay in an injection area, and floating removal of inclusions is facilitated.
The first steel flowing hole 6 and the second steel flowing hole 7 are distributed in a mirror image mode, so that molten steel is crossed when flowing out, and the heat flow distribution is uniform.
The highest point of the V-shaped slag stopping part 4 is 150mm higher than the depth of the inner side bulge of the middle wall 1, the angle of the impact part of the V-shaped slag stopping part 4 is set to be 120-150 degrees, the thickness of the V-shaped slag stopping part 4 is thick, molten steel can be respectively arranged towards two sides, and the impact strength of the middle wall 1 can be improved by the V-shaped slag stopping part 4.
The two sides of the middle wall 1, the left side wall 2 and the right side wall 3 are respectively provided with a magnesium refractory material coating.
The bottom thickness of the middle wall 1, the left side wall 2 and the right side wall 3 is 120mm-140mm, and the top thickness of the middle wall 1, the left side wall 2 and the right side wall 3 is 80mm-100 mm.
The working principle is as follows: when the impact-resistant slag-stopping wall is used, the slag-stopping wall is arranged inside the tundish through the crane, molten steel firstly impacts the bottom of the slag-stopping wall when entering an injection area, and the middle wall 1, the left side wall 2 and the right side wall 3 are trapezoidal, so that the impact-resistant strength of the bottom of the slag-stopping wall can be effectively improved, and the slag-stopping wall is prevented from being broken from the bottom. The V-shaped slag stopping part 4 is positioned at the center of molten steel impact, the thickness of the V-shaped slag stopping part 4 is thick, the molten steel can be divided towards two sides, the impact strength of the middle wall 1 can be improved by the V-shaped slag stopping part 4, the arc-shaped reinforcing part 5 can prevent the joints of the middle wall 1, the left side wall 2 and the right side wall 3 from being broken, and the impact strength of the slag stopping wall is improved. Molten steel flows out through the first steel circulation hole 6 and the second steel circulation hole 7, the first steel circulation hole 6 and the second steel circulation hole 7 are located at the bottom of the middle wall 1, the first steel circulation hole 6 and the second steel circulation hole 7 are longer, the diameters of water inlet holes of the first steel circulation hole 6 and the second steel circulation hole 7 are larger than the diameters of water outlet holes, the flowing-out speed of the molten steel is slowed down, the molten steel is enabled to fully stay in an injection area, floating removal of inclusions is facilitated, the first steel circulation hole 6 and the second steel circulation hole 7 are distributed in a mirror image mode, the molten steel is enabled to be mutually crossed when flowing out, and heat flow distribution is even.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. An impact-resistant slag-stopping wall comprises a middle wall (1) and is characterized in that: the both sides of middle wall (1) are fixedly connected with left side wall (2) and right side wall (3) respectively, just middle wall (1), left side wall (2) and right side wall (3) set up to trapezoidal, the inboard of middle wall (1) is provided with V-arrangement pushing off slag portion (4), the both sides of middle wall (1) and the contact department fixedly connected with arc rib (5) of left side wall (2) and right side wall (3), the bottom of the both sides of middle wall (1) is provided with first class steel hole (6) respectively, the both sides of middle wall (1) and the below that is located first class steel hole (6) are provided with second class steel hole (7).
2. An impact-resistant slag dam as defined in claim 1, wherein: the first steel flowing holes (6) and the second steel flowing holes (7) are symmetrically distributed along the center line of the middle wall (1) respectively.
3. An impact-resistant slag dam as defined in claim 1, wherein: the first steel stream hole (6) and the second steel stream hole (7) are trapezoidal, and the diameters of the water inlet holes of the first steel stream hole (6) and the second steel stream hole (7) are larger than the diameters of the water outlet holes.
4. An impact-resistant slag dam as defined in claim 1, wherein: the first flow steel hole (6) and the second flow steel hole (7) are distributed in a mirror image mode.
5. An impact-resistant slag dam as defined in claim 1, wherein: the highest point of the V-shaped slag stopping part (4) is 130mm-150mm deep relative to the inner side of the middle wall (1), and the angle of the impact part of the V-shaped slag stopping part (4) is set to be 120-150 degrees.
6. An impact-resistant slag dam as defined in claim 1, wherein: and magnesium refractory material coatings are respectively arranged on two sides of the middle wall (1), the left side wall (2) and the right side wall (3).
7. An impact-resistant slag dam as defined in claim 1, wherein: the bottom thickness of the middle wall (1), the left side wall (2) and the right side wall (3) is 120-140 mm, and the top thickness of the middle wall (1), the left side wall (2) and the right side wall (3) is 80-100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022523640.4U CN214079239U (en) | 2020-11-04 | 2020-11-04 | Impact-resistant slag blocking wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022523640.4U CN214079239U (en) | 2020-11-04 | 2020-11-04 | Impact-resistant slag blocking wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214079239U true CN214079239U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022523640.4U Active CN214079239U (en) | 2020-11-04 | 2020-11-04 | Impact-resistant slag blocking wall |
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|---|---|
| CN (1) | CN214079239U (en) |
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- 2020-11-04 CN CN202022523640.4U patent/CN214079239U/en active Active
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