CN210730968U - Metallurgical ladle cover - Google Patents
Metallurgical ladle cover Download PDFInfo
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- CN210730968U CN210730968U CN201920774186.4U CN201920774186U CN210730968U CN 210730968 U CN210730968 U CN 210730968U CN 201920774186 U CN201920774186 U CN 201920774186U CN 210730968 U CN210730968 U CN 210730968U
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- heat insulation
- metallurgical ladle
- metallurgical
- ladle cover
- shell
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Abstract
The utility model discloses a metallurgical ladle cover, which comprises a shell and a heat insulation layer; the shell comprises a metallurgical ladle cover shell or a vacuum shell and is a steel structure cover body; the heat insulation layer is positioned on the inner side of the shell and consists of a plurality of heat insulation materials and a support rod; the heat insulation material is a refractory glass fiber block or a carbon fiber block; through holes with the same position and consistent aperture are arranged in each heat insulation material, the heat insulation materials are strung up by a support rod through the through holes and are fixedly connected with the inner surface of the metallurgical ladle cover shell, and the cross section shape of the support rod is matched with the through holes; in this way, the utility model provides a metallurgical be built by contract high temperature resistance is better, and its thermal-insulated insulation material is easily dismantled and is changed, and whole life is longer, and the heat preservation effect is better, and manufacturing method is simple, the cost is lower.
Description
Technical Field
The utility model relates to the technical field of steel, metallurgy and nonferrous smelting equipment, in particular to a metallurgical ladle cover.
Background
The metallurgical ladle refers to a container used for smelting, transporting and containing liquid in metallurgical production, comprises a ladle, a tundish, a ladle and the like, is important equipment in a smelting link and a continuous casting link, and directly influences the change of the temperature of the contained liquid in the heat state in the production turnover process so as to influence the production process, the energy consumption and the product quality. The heat loss of the metallurgical ladle in the turnover process is mostly caused by the heat radiation and convection heat transfer process of an opening at the top of the metallurgical ladle and air, and the metallurgical ladle is mainly insulated at present by adding a covering agent or a metallurgical ladle cover, wherein the covering agent is added to cover the surface of molten steel for insulation, but a large amount of dust is generated after the covering agent reacts with high-temperature molten steel, so that the working environment is deteriorated, secondary pollution is easily caused, and the cost is high; compared with the prior art, the metallurgical ladle cover is added in a simpler and direct mode, the method is simple, convenient and easy to implement, energy-saving and environment-friendly, and therefore the method is widely applied, but the heat preservation effect and the service life of the metallurgical ladle cover are closely related to the material and the structure of the metallurgical ladle cover.
The metallurgical ladle cover mainly comprises a steel structure cover body and a heat-insulating refractory material embedded in the steel structure cover body, the current common heat-insulating material is a castable material generally, namely an unshaped refractory material, and the castable material is sprayed or poured on the metallurgical ladle cover after being stirred when in use, then is dried, and needs to be preheated before being used, so that the preparation time is long; the castable is easy to crack, fall off and the like, and needs to be maintained frequently; in the heat preservation process, the castable absorbs more energy per se, wastes energy and has unsatisfactory heat preservation effect; and the weight is large, the load of hoisting equipment can be increased, and the problems of difficult drying, easy damage, short service life and the like still exist even if the lightweight castable is used.
In addition, the embedding mode of the heat insulation material is mainly divided into an integral embedding mode and a one-by-one embedding mode, wherein the integral embedding mode means that the heat insulation material is integrally fixed on the metallurgical ladle cover, the method is simple and convenient to operate, and once part of the heat insulation material is damaged, the heat insulation material needs to be integrally replaced, so that the cost is high; embedding one by one means that the heat insulation material is divided into a plurality of small blocks, and each small block is independently installed on the metallurgical ladle cover, so that the damaged block body can be replaced in a targeted manner, but the process is complicated when the small blocks are installed one by one, and the workload is large.
SUMMERY OF THE UTILITY MODEL
Based on the problems of short service life of heat insulation materials, unsatisfactory heat insulation effect, unreasonable embedding mode and the like existing in the existing metallurgical ladle cover, the utility model provides a metallurgical ladle cover, which improves the high temperature resistance and the heat insulation effect of the metallurgical ladle cover by using refractory glass fibers or carbon fibers as heat insulation materials; the refractory glass fiber blocks or the carbon fibers are stringed in groups to be fixed in a detachable manner, so that the operation is simple and the disassembly and replacement are convenient; thereby obtaining the metallurgical ladle cover with good heat preservation effect, long service life and lower cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a metallurgical ladle lid, includes shell and thermal-insulated heat preservation, its characterized in that: the shell comprises a metallurgical ladle cover shell or a vacuum shell and is a steel structure cover body; the heat insulation layer is positioned on the inner side of the shell and consists of heat insulation materials and supporting rods; the heat insulation material is a refractory glass fiber block or a carbon fiber block; the heat insulation material comprises a plurality of heat insulation materials, through holes with the same position and the same aperture are arranged in each heat insulation material, the heat insulation materials are strung through the through holes by support rods and are fixedly connected with the inner surface of the metallurgical ladle cover shell, and the cross section of each support rod is matched with the through holes.
Further, the through hole penetrates through the centers of a group of opposite faces of the heat preservation material.
Furthermore, the heat insulation materials are sequentially paved on the inner surface of the metallurgical ladle cover shell in the same direction and are tightly arranged, the directions of all the through holes are kept consistent and are parallel to the inner surface of the metallurgical ladle cover shell, and a plurality of groups of heat insulation materials capable of being strung are formed; the shape of the outer side of the heat insulation material can be cut and is used for being matched with the edge of the inner side of the metallurgical ladle cover shell.
Furthermore, the number of the support rods is consistent with the number of groups formed by the heat insulation materials, and each support rod penetrates out along the through hole in the corresponding group of heat insulation materials to closely string the group of heat insulation materials; the length of the supporting rod can be cut and adjusted, and is used for matching the length of each group of heat-insulating materials in the metallurgical ladle cover shell; and two ends of the supporting rod are welded on the inner surface of the metallurgical ladle cover shell.
Furthermore, the support rod is of a circular tubular structure, and the diameter of the cross section of the support rod is 2-20 mm.
Further, the metallurgical ladle cover shell has various shapes and is used for being matched with metallurgical ladles with different shapes, and the shape of the metallurgical ladle cover shell is consistent with that of the corresponding metallurgical ladle.
Further, the size of the metallurgical ladle cover outer shell is consistent with the external size of a ladle opening of the metallurgical ladle.
Furthermore, the metallurgical ladle cover shell is provided with an observation hole, penetrates through the heat insulation material at the corresponding position in the heat insulation layer, is used for observing the condition in the metallurgical ladle, and is convenient for adding the drainage sand and the drainage rod.
Furthermore, the outer surface of the metallurgical ladle cover shell is provided with 4 lifting lugs, and the lifting lugs are uniformly distributed by taking the center of the metallurgical ladle cover shell as an original point and are used for covering and lifting the metallurgical ladle.
The utility model has the advantages that:
1. the metallurgical ladle cover provided by the utility model takes the refractory glass fiber or the carbon fiber as the heat insulation material, and the refractory glass fiber blocks or the carbon fiber blocks are stringed in groups for fixing, thereby prolonging the service life of the metallurgical ladle cover, having better heat insulation effect, simple manufacturing method and lower cost;
2. the refractory glass fiber or carbon fiber used by the utility model has better high temperature resistance and lower heat conductivity coefficient, can reduce the damage rate of the refractory glass fiber or carbon fiber at high temperature, prolong the service life of the metallurgical ladle cover, reduce heat conduction and improve the heat preservation effect of the metallurgical ladle cover;
3. the utility model discloses a perforate insulation material and use the bracing piece to cluster it in groups and carry out detachable fixed, easy operation, and be convenient for dismantle the replacement to the insulation material that damages in the use individually, and need not whole changes, prolong the whole life and the reduction use cost of metallurgical be built by contract.
Drawings
FIG. 1 is a schematic structural view of an embodiment 1 of a metallurgical ladle cover of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic structural view of a metallurgical ladle of example 2 of the present invention;
FIG. 4 is a schematic structural view of a metallurgical ladle of example 3 of the present invention;
FIG. 5 is a schematic structural view of a metallurgical ladle of example 4 of the present invention;
the parts in the drawings are numbered as follows: 1. a housing; 2. a thermal insulation material; 3. lifting lugs; 4. an observation hole; 5. a support bar; 6. a heat insulation layer.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 and fig. 2, a metallurgical ladle cover provided by the embodiment of the present invention includes a metallurgical ladle cover shell 1 and a heat insulation layer 6, wherein the metallurgical ladle cover shell 1 is a steel structure cover body; the heat insulation layer 7 is positioned on the inner side of the metallurgical ladle cover shell 1 and consists of a heat insulation material 2 and a support rod 5, and the heat insulation material is made of refractory glass fiber.
The metallurgical ladle cover shell 1 is circular, the outer diameter of the metallurgical ladle cover shell is consistent with the outer diameter of a ladle opening of a metallurgical ladle, the metallurgical ladle cover shell is used for completely covering the surface of the metallurgical ladle, the heat insulation effect is improved, and meanwhile, the heat insulation material 2 is prevented from being directly contacted with the metallurgical ladle opening, so that the service life of the metallurgical ladle cover is prolonged; the outer diameter of the metallurgical ladle cover shell 1 in the embodiment is 800 mm.
An observation hole 4 with the diameter of 60mm is formed in the metallurgical ladle cover shell 1 and penetrates through the heat insulation material 2 at the corresponding position in the heat insulation layer; the observation hole 4 can be used for observing the condition in the metallurgical ladle, and can also be used for adding drainage sand and a drainage rod, thereby meeting the process requirements of cleaning, building, water gap sand adding, drainage rod and the like of the metallurgical ladle after the metallurgical ladle is covered.
Be equipped with 4 lugs 3 on the metallurgical ladle cover shell 1 surface, lug 3 welds in the surface of metallurgical ladle cover shell 1 to the center of metallurgical ladle cover shell 1 is original point evenly distributed, and the hoisting equipment of being convenient for use is covered and is lifted to metallurgical package and is covered the action.
The number of the heat-insulating materials 2 in the heat-insulating layer 7 is multiple, through holes with the same position and consistent aperture are arranged in each heat-insulating material 2, the through holes penetrate through the centers of a group of opposite surfaces of the heat-insulating materials 2, the cross sections of the through holes are circular, and the diameters of the through holes are 6 mm; sequentially paving heat insulation materials 2 on the inner surface of the metallurgical ladle cover shell 1 from left to right and from top to bottom, wherein the heat insulation materials 2 are closely arranged and used for heat insulation of the metallurgical ladle cover; when arranging the heat insulation materials 2, the directions of the through holes in the heat insulation materials 2 are kept consistent and are parallel to the inner surface of the metallurgical ladle cover shell 1, so that the through holes in each row of the heat insulation materials 2 can be sequentially penetrated; and taking a plurality of heat insulation materials 2 in each row as a group to obtain a plurality of groups of heat insulation materials 2 which can be formed into strings.
The heat insulation material 2 is of a cubic structure, the initial shape and the size are consistent, and in the arrangement process, the shape of the outer side of the heat insulation material 2 can be cut to be matched with the shape of the edge of the inner side of the metallurgical ladle cover shell 1, so that the coverage rate of the heat insulation material 2 in the inner surface of the metallurgical ladle cover shell 1 is improved as much as possible, and the heat insulation effect of the obtained metallurgical ladle cover is enhanced.
The supporting rods 5 are steel pipes with the diameter of 6mm, and the number of the supporting rods is consistent with the number of groups formed by the heat insulation materials 2, so that the supporting rods 5 and the groups of heat insulation materials can be in one-to-one correspondence; the cross section of the support rod 5 is matched with the through hole of the heat insulation material 2, so that the support rod 5 can smoothly penetrate out of the through hole; penetrating each support rod 5 along the through holes in the corresponding group of heat insulation materials, tightly stringing the group of heat insulation materials, and welding the two ends of each support rod 5 on the inner surface of the metallurgical ladle cover shell 1, so that the heat insulation materials 2 are fixed on the inner surface of the metallurgical ladle cover shell 1; the length of the supporting rod 5 can be adjusted by cutting according to the size of the metallurgical ladle cover shell 1 and the total length of the heat-insulating material 2 corresponding to the group, so that the two ends of the supporting rod 5 can be just welded on the inner surface of the metallurgical ladle cover shell 1 at the position.
When the metallurgical ladle cover is normally used, the heat insulation materials 2 are fixed by the support rods 5 welded on the inner side of the metallurgical ladle cover shell 1; after the metallurgical ladle cover is used for a period of time, if the individual heat-insulating material 2 is damaged, the support rod 5 corresponding to the damaged individual heat-insulating material 2 is sawn off, the heat-insulating material on the support rod 5 is taken off, the damaged heat-insulating material is replaced, a new support rod 5 is inserted again after the replacement, and the two ends of the new support rod 5 are welded on the inner side of the metallurgical ladle cover shell 1 in the same way, so that the metallurgical ladle cover can be continuously used; the whole disassembly and replacement process is simple and convenient, the cost is lower, and the service life of the whole metallurgical ladle cover can be prolonged.
Examples 2 to 4
Compared with the embodiment 1, the embodiment 2 to 4 are different in the shape of the metallurgical ladle cover shell, and the corresponding structural schematic diagrams are shown in fig. 3 to 5.
As can be seen from figures 3-5, the utility model provides a metallurgical ladle that metallurgical ladle lid is applicable in different shapes, and the range of application is wider.
The above description is only intended 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 or all of the technical features may be equivalently replaced; all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings of the utility model, or the direct or indirect application in other related technical fields, are included in the patent protection scope of the utility model.
Claims (9)
1. A metallurgical ladle cover comprises a shell (1) and a heat insulation layer (6), and is characterized in that: the shell (1) comprises a metallurgical ladle cover shell or a vacuum shell and is a steel structure cover body; the heat insulation layer (6) is positioned on the inner side of the shell (1) and consists of a heat insulation material (2) and a support rod (5); the heat insulation material is a refractory glass fiber block or a carbon fiber block; the heat insulation material (2) is provided with a plurality of through holes with the same position and the same aperture in each heat insulation material (2), the plurality of heat insulation materials (2) are strung up through the through holes by the support rod (5) and are fixedly connected with the inner surface of the metallurgical ladle cover shell (1), and the cross section of the support rod (5) is matched with the through holes.
2. A metallurgical ladle according to claim 1, wherein: the through hole penetrates through the centers of a group of opposite surfaces of the heat insulation material (2).
3. A metallurgical ladle according to claim 1, wherein: the heat insulation materials (2) are sequentially paved on the inner surface of the metallurgical ladle cover shell (1) in the same direction and are tightly arranged, the directions of all the through holes are kept consistent and are parallel to the inner surface of the metallurgical ladle cover shell (1), and a plurality of groups of heat insulation materials (2) which can be strung are formed; the shape of the outer side of the heat insulation material (2) can be cut and is used for being matched with the edge of the inner side of the metallurgical ladle cover shell (1).
4. A metallurgical ladle according to claim 3, wherein: the number of the support rods (5) is consistent with that of the groups formed by the heat insulation materials (2), and each support rod (5) penetrates out along the through hole in the corresponding group of heat insulation materials (2) to closely string the group of heat insulation materials (2); the length of the supporting rod (5) can be cut and adjusted and is used for matching the length of each group of heat-insulating materials (2) in the metallurgical ladle cover shell (1); and two ends of the supporting rod (5) are welded on the inner surface of the metallurgical ladle cover shell (1).
5. A metallurgical ladle according to claim 1, wherein: the support rod (5) is of a circular tubular structure, and the diameter of the cross section of the support rod is 2-20 mm.
6. A metallurgical ladle according to claim 1, wherein: the metallurgical ladle cover shell (1) has various shapes and is used for being matched with metallurgical ladles with different shapes, and the shape of the metallurgical ladle cover shell (1) is consistent with that of the corresponding metallurgical ladle.
7. A metallurgical ladle according to claim 6, wherein: the size of the metallurgical ladle cover shell (1) is consistent with the external size of a ladle opening of the metallurgical ladle.
8. A metallurgical ladle according to claim 1, wherein: be equipped with observation hole (4) on metallurgical ladle cover shell (1) to run through insulation material (2) of corresponding position in the thermal-insulated heat preservation, be arranged in observing metallurgical package.
9. A metallurgical ladle according to claim 1, wherein: the metallurgical ladle cover shell (1) surface is equipped with 4 lug (3), lug (3) use metallurgical ladle cover shell (1) center as original point evenly distributed for add the lid and lift the lid action to metallurgical package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920774186.4U CN210730968U (en) | 2019-05-27 | 2019-05-27 | Metallurgical ladle cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920774186.4U CN210730968U (en) | 2019-05-27 | 2019-05-27 | Metallurgical ladle cover |
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| Publication Number | Publication Date |
|---|---|
| CN210730968U true CN210730968U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920774186.4U Active CN210730968U (en) | 2019-05-27 | 2019-05-27 | Metallurgical ladle cover |
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| CN (1) | CN210730968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181032A (en) * | 2019-05-27 | 2019-08-30 | 武汉科技大学 | A kind of metallurgy backpack cover |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181032A (en) * | 2019-05-27 | 2019-08-30 | 武汉科技大学 | A kind of metallurgy backpack cover |
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| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan Yuju Technology Co.,Ltd. Assignor: WUHAN University OF SCIENCE AND TECHNOLOGY Contract record no.: X2020420000007 Denomination of utility model: A kind of metallurgical cover Granted publication date: 20200612 License type: Common License Record date: 20201021 |