CN214349570U - Composite structure steel ladle cover - Google Patents
Composite structure steel ladle cover Download PDFInfo
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- CN214349570U CN214349570U CN202120238639.9U CN202120238639U CN214349570U CN 214349570 U CN214349570 U CN 214349570U CN 202120238639 U CN202120238639 U CN 202120238639U CN 214349570 U CN214349570 U CN 214349570U
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- casting
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- filling
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Abstract
The utility model provides a composite structure ladle cover, which comprises a shell and a filling component, wherein the shell is sunken from the top surface to the bottom surface to form a filling area; the filling assembly comprises a fixing piece and a pouring piece, the fixing piece is arranged in the filling area and fixedly connected to the shell, and the fixing piece comprises a long-distance fixing piece and at least one short-distance fixing piece and is used for anchoring the pouring piece poured in the filling area; wherein, the mounting includes the prefabricated section, and the prefabricated section encloses to be located filling area week side and laminates mutually with the pouring member. In this way, the setting of prefabricated section can strengthen casing border intensity, reduces the area of contact of pouring material and box hat simultaneously, can alleviate the deformation of box hat from this, and when just warping, because the area of contact with the pouring piece diminishes, and then can reduce just warping the internal stress to the pouring piece. The long-distance fixing piece and the short-distance fixing piece are more favorable for improving the strength of the pouring piece, so that the overall strength of the ladle cover is improved, and the service life of the ladle cover is prolonged.
Description
Technical Field
The utility model relates to a metallurgical technology technical field especially relates to a composite construction ladle cover.
Background
In a steelmaking production system, a ladle is a molten steel transportation heat-preservation container connected between a converter or an electric furnace and continuous casting, and is also a container for containing molten steel through external refining, and the temperature change of molten steel in the tapping and steel containing processes is directly influenced by the thermal state in the production turnover process. The whole-process capping technology for the steel ladle is a new energy-saving technology in the metallurgical industry, and reduces empty ladle linings and heat radiation of molten steel by the whole-process capping operation of the steel ladle, thereby slowing down the temperature drop of the molten steel and reducing the tapping temperature of a converter or an electric furnace, not only improving the utilization rate of fuel, but also reducing the using amount of a heat insulating agent.
In the domestic patent No. CN201913236U, the patent name is a ladle cover structure with heat insulation and preservation functions, the ladle cover structure comprises a cover body and a heat insulation material, the cover body consists of a ladle cover frame, a partition plate and a baffle plate, the partition plate is arranged in the ladle cover frame, and the baffle plate is welded on the lower part of the outer edge of the frame; an anchoring part is welded in the upper space between the outer edge of the steel ladle cover frame and the partition plate; the outer ring of the partition plate is made of unshaped refractory material and is poured into the outer edge of the steel ladle cover frame and the space between the baffle plate and the partition plate, and the anchoring piece is contained in the unshaped refractory material; the steel ladle cover frame is welded with an installation part in the space in the partition plate, and meanwhile, a ceramic fiber module is installed at the position in the partition plate and is connected and installed with the steel ladle cover frame through the installation part.
Although the measures are adopted, the effect of reducing the temperature drop of the molten steel is not obvious, the heat dissipation is still too fast, the problem of large energy loss exists in the operation of the steel ladle between the tapping of the converter and the continuous casting, and the local damage of the cover body in the prior art is too fast, so that the long-term use of the steel ladle cover is not facilitated.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a composite construction steel ladle cover for solve among the prior art steel ladle cover use intensity low excessively, the local damage and then lead to the technical problem that life is short excessively.
The embodiment of the utility model provides a composite construction steel ladle cover, include: the shell is recessed from the top surface to the bottom surface to form a filling area;
the filling assembly comprises a fixing piece and a pouring piece, the fixing piece is arranged in the filling area and fixedly connected to the shell, and the fixing piece comprises a long-distance fixing piece and at least one short-distance fixing piece and is used for anchoring the pouring piece poured in the filling area; wherein the content of the first and second substances,
the mounting includes the prefabricated section, the prefabricated section encloses to be located filling area week side and with the pouring member is laminated mutually.
According to the composite structure ladle cover provided by the utility model, the casting piece comprises a heat insulation plate, a first casting layer and a second casting layer;
the heat-insulating board first pouring layer and second pouring layer stack up set up in the filling area, just first pouring layer is located the heat-insulating board with between the second pouring layer, the second pouring layer is located and is close to filling area opening side.
According to the utility model discloses a composite construction steel ladle lid, long distance mounting and at least one short distance mounting fixed connection in the bottom surface of casing and orientation the top surface extends, is used for the anchor fill in the district the pouring member.
According to the utility model discloses a composite construction steel ladle lid, long distance mounting with short distance mounting all extends to at least in the second pouring layer and right first pouring layer with the second pouring layer anchors first pouring layer.
According to the composite structure ladle cover provided by the utility model, the material of the first casting layer is the light casting material, and the material of the second casting layer is the mullite casting material;
the filling thickness of the first pouring layer is not more than one half of the total depth of the filling area; the filling thickness of the second pouring layer is not more than one half of the total depth of the filling area.
According to the utility model discloses a composite construction steel ladle lid, be equipped with a plurality of expansion gaps in the second pouring layer, the expansion gap both ends extend to the relative both sides face on second pouring layer, just the extending direction in expansion gap with the direction of casing top surface to bottom surface is unanimous.
According to the utility model discloses a composite construction steel ladle lid, short distance mounting with long distance mounting is the anchor hook.
According to the composite structure ladle cover provided by the embodiment of the utility model, the short distance fixing piece is an anchoring hook, and the long distance fixing piece comprises a buckle and an anchoring brick arranged in the buckle;
one end of the buckle is fixedly connected with the shell, the buckle encloses a clamping area, and the anchoring brick is filled in the clamping area.
According to the utility model discloses a composite construction steel ladle lid, the week side of casing is equipped with a plurality of mounting holes, the prefabricated section with the casing pass through the bolt with the mounting hole cooperation is with fixed connection.
According to the utility model discloses a composite construction steel ladle cover, the material of bolt is heat-resisting material.
The embodiment of the utility model provides a composite construction ladle cover, including casing, packing subassembly and prefabricated section, the area of contact of casting piece and box hat is reduced in the time of the setting of prefabricated section can strengthen casing border intensity to alleviate because the box hat warp the extrusion that causes the casting material, and compound through two kinds of anchored modes of long distance mounting and short distance mounting, anchor the casting piece more steadily, and then in order to lengthen the life of ladle cover.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view, partially in cross-section, of an embodiment of a composite construction ladle cover provided by the present invention;
fig. 2 is a schematic top view of the overall structure of an embodiment of the composite-structure ladle cover provided by the present invention;
FIG. 3 is a schematic cross-sectional view of the overall structure of another embodiment of the composite construction ladle cover provided by the present invention;
reference numerals:
100: a housing; 101: a side surface; 102: a housing bottom surface;
200: a fill assembly; 210: a fixing member; 220: casting the part;
211: prefabricating blocks; 212: a remote mount; 213: a short-distance fixing piece;
212 a: buckling; 212b, and (3 b): anchoring the bricks; 221: a heat insulating plate;
222: a first casting layer; 223: a second casting layer; 223a expansion gap.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Referring to fig. 1 to 3, fig. 1 is a schematic partial sectional view of a composite-structure ladle cover according to an embodiment of the present invention; fig. 2 is a schematic top view of the overall structure of an embodiment of the composite-structure ladle cover provided by the present invention; fig. 3 is a schematic cross-sectional view of the overall structure of another embodiment of the composite-structure ladle cover provided by the present invention.
Referring to fig. 1, the present invention provides a composite steel ladle cover, which includes a housing 100 and a filling assembly 200, wherein the housing 100 is recessed from the top surface to the bottom surface to form a filling area; the filling assembly 200 comprises a fixed member 210 and a casting member 220, the fixed member 210 being disposed in the filling zone and fixedly connected to the housing 100, the fixed member 210 comprising a remote fixed member 212 and at least one short fixed member 213 for anchoring the casting member 220 cast in the filling zone; the fixing member 210 includes a prefabricated block 211, and the prefabricated block 211 surrounds the filling region and is attached to the casting member 220. It should be noted that the arrangement of the precast block 211 can enhance the strength of the edge of the shell 100, reduce the contact area between the casting member 220 and the steel shell, protect the casting material, and anchor the casting member 220 more stably by combining the two anchoring modes of the long-distance fixing member 212 and the short-distance fixing member 213, thereby prolonging the service life of the ladle cover.
The utility model discloses an in the embodiment, prefabricated section 211 pastes and locates side 101 of casing 100, and prefabricated section 211 includes upper portion trapezoidal piece and lower part rectangular block, also is prefabricated section 211 and progressively reduces towards the direction circumference size at filling district middle part, forms from this and stretches out the end, and then stretches out the end and can form the supporting role to pouring member 220 to improve the installation stability of pouring member 220. One end of the short distance fixing member 213 and one end of the long distance fixing member 212 are fixedly connected to the bottom surface 102 of the housing, such as welding, etc., but not limited thereto.
In an embodiment of the present invention, the casting 220 includes a heat insulating plate 221, a first casting layer 222 and a second casting layer 223; the heat insulation plate 221, the first casting layer 222 and the second casting layer 223 are stacked in the filling area, the first casting layer 222 is disposed between the heat insulation plate 221 and the second casting layer 223, and the second casting layer 223 is disposed near the opening side of the filling area. It should be noted that, after the fixing element 210 is fixedly disposed in the filling area, the heat insulation plate 221 may be disposed in other areas by bonding, and the heat insulation plate 221 is made of inorganic-combined nanofiber anti-radiation material. It can be understood that the housing 100 needs to be treated before use, that is, the residue on the surface is cleaned, and the adhered heat insulation plate 221 is not easy to fall off, so that the installation stability of the heat insulation plate 221 is improved. The first casting layer 222 and the second casting layer 223 are sequentially stacked on the insulation panel 221 to fill the filling region, and the long distance fixing member 212 and the short distance fixing member 213 serve to reinforce and anchor the first casting layer 222 and the second casting layer 223 which are cast, so as to improve the installation stability of the first casting layer 222 and the second casting layer 223. The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature.
A remote fixture 212 and at least one short fixture 213 are fixedly attached to the bottom surface of the housing 100 and extend toward the top surface for anchoring the casting 220 within the fill area. That is, the plurality of short distance fixing members 213 and the long distance fixing members 212 facilitate to improve the installation strength of the first casting layer 222 and the second casting layer 223. In an embodiment of the present invention, the long distance fixing member 212 and the short distance fixing member 213 extend at least into the second casting layer 223 and anchor the first casting layer 222 to the first casting layer 222 and the second casting layer 223. It should be noted that the short-distance fixing member 213 and the long-distance fixing member 212 respectively extend to the second casting layer 223, and then both the short-distance fixing member 213 and the long-distance fixing member 212 can fix the first casting layer 222 and the second casting layer 223, so that the installation strength of the heat insulation plate 221, the first casting layer 222, and the second casting layer 223 can be improved, and the overall strength of the ladle cover can be improved.
The first casting layer 222 is made of a light casting material, and the second casting layer 223 is made of a mullite casting material; and the filling thickness of the first casting layer 222 is not more than half of the total depth of the filling area; the second casting layer 223 is filled to a thickness not more than one-half of the total depth of the filling zone. In an embodiment of the present invention, the depth of the filling area at least includes the heat insulation plate 221, the first casting layer 222 and the second casting layer 223, the thickness of the heat insulation plate 221 is smaller than the first casting layer 222 and the second casting layer 223, and the thickness of the first casting layer 222 and the second casting layer 223 is substantially the same.
Further, a plurality of expansion gaps 223a are formed in the second casting layer 223, two ends of the expansion gaps 223a extend to the two opposite side surfaces 101 of the second casting layer 223, and the extending direction of the expansion gaps 223a is consistent with the direction from the top surface to the bottom surface of the casing 100. The provision of expansion gap 223a facilitates reducing the stresses to which second casting layer 223 is subjected from rigid structural deformation, thereby facilitating heating of the second casting layer 223 material to relieve internal stresses. Preferably, expansion gap 223a can set up to "Z" type, compares in the straight joint, and the straight joint forms the through joint easily, leads to the inside damage of material more serious, and the utility model discloses a setting up of Z word seam can avoid forming the through joint to can cushion the impact of the stress that second pouring layer 223 received better, disperse the internal stress of second pouring layer 223.
In an embodiment of the present invention, the short distance fixing member 213 and the long distance fixing member 212 are anchoring hooks. In other embodiments, short mount 213 is an anchor hook, and long mount 212 includes a clasp 212a and an anchor tile 212b disposed within clasp 212 a; one end of the buckle 212a is fixedly connected with the housing 100, the buckle 212a encloses a clamping area, and the anchor brick 212b is installed in the clamping area. The arrangement of the anchoring hooks and the anchoring bricks 212b can strengthen the internal structural strength of the materials of the first casting layer 222 and the second casting layer 223 and prevent the first casting layer 222 and the second casting layer 223 from falling off integrally.
Note that a plurality of mounting holes are provided on the circumferential side of the housing 100, and the precast block 211 and the housing 100 are fixedly connected by fitting bolts to the mounting holes. In an embodiment of the present invention, the bolt is made of a heat-resistant material.
In conclusion, the prefabricated block 211 can enhance the strength of the edge of the shell 100 and reduce the contact area between the casting 220 and the steel shell. When just deformed, the contact area between the steel structure and the casting 220 is reduced, and thus the damage to the casting 220 due to just deformation can be reduced. The provision of the remote 212 and short 213 fixtures further facilitates the increase in strength of the casting 220, thereby improving the overall strength of the ladle cover and increasing the service life of the ladle cover.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the embodiments of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other components or elements inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A composite construction ladle cover, comprising:
the shell is recessed from the top surface to the bottom surface to form a filling area;
the filling assembly comprises a fixing piece and a pouring piece, the fixing piece is arranged in the filling area and fixedly connected to the shell, and the fixing piece comprises a long-distance fixing piece and at least one short-distance fixing piece and is used for anchoring the pouring piece poured in the filling area; wherein the content of the first and second substances,
the mounting includes the prefabricated section, the prefabricated section encloses to be located filling area week side and with the pouring member is laminated mutually.
2. The composite structural ladle cover according to claim 1, wherein the casting comprises an insulation plate, a first casting layer and a second casting layer;
the heat-insulating board first pouring layer and second pouring layer stack up set up in the filling area, just first pouring layer is located the heat-insulating board with between the second pouring layer, the second pouring layer is located and is close to filling area opening side.
3. The composite structural ladle cover according to claim 2, wherein the remote fixture and at least one of the short fixtures are fixedly attached to the bottom surface of the shell and extend toward the top surface for anchoring the casting within the fill region.
4. A composite structural ladle cover according to claim 3, wherein the remote fixing and the short fixing each extend at least into the second casting layer and anchor the first casting layer to the first casting layer.
5. The composite structural ladle cover according to claim 4, wherein the material of the first casting layer is a lightweight casting material and the material of the second casting layer is a mullite casting material;
the filling thickness of the first pouring layer is not more than one half of the total depth of the filling area; the filling thickness of the second pouring layer is not more than one half of the total depth of the filling area.
6. The composite structural ladle cover according to claim 5, wherein a plurality of expansion gaps are provided in the second casting layer, both ends of the expansion gaps extend to opposite sides of the second casting layer, and the extension direction of the expansion gaps is consistent with the direction from the top surface to the bottom surface of the shell.
7. The composite structural ladle cover according to claim 1, wherein the short distance fixture and the long distance fixture are both anchoring hooks.
8. The composite structural ladle cover according to claim 1, wherein the short distance fixing member is an anchoring hook, and the long distance fixing member comprises a buckle and an anchoring brick arranged in the buckle;
one end of the buckle is fixedly connected with the shell, the buckle encloses a clamping area, and the anchoring brick is filled in the clamping area.
9. The composite structural ladle cover according to claim 1, wherein the casing is provided with a plurality of mounting holes on the circumferential side thereof, and the precast block and the casing are fixedly connected by being fitted with the mounting holes by bolts.
10. The composite structural ladle cover according to claim 9, wherein the bolt is made of a heat-resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120238639.9U CN214349570U (en) | 2021-01-28 | 2021-01-28 | Composite structure steel ladle cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120238639.9U CN214349570U (en) | 2021-01-28 | 2021-01-28 | Composite structure steel ladle cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214349570U true CN214349570U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120238639.9U Active CN214349570U (en) | 2021-01-28 | 2021-01-28 | Composite structure steel ladle cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214349570U (en) |
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2021
- 2021-01-28 CN CN202120238639.9U patent/CN214349570U/en active Active
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