CN211445803U - Novel slag blocking cover - Google Patents
Novel slag blocking cover Download PDFInfo
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- CN211445803U CN211445803U CN201922375310.2U CN201922375310U CN211445803U CN 211445803 U CN211445803 U CN 211445803U CN 201922375310 U CN201922375310 U CN 201922375310U CN 211445803 U CN211445803 U CN 211445803U
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- slag
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- retainer plate
- net frame
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Abstract
The utility model relates to a novel pushing off slag lid, including filler retainer plate, net frame construction, pushing off slag lid steel fiber pouring material, net frame construction and filler retainer plate welded fastening, pushing off slag lid steel fiber pouring material is filled between filler retainer plate and grid structure frame, net frame construction "well" style of calligraphy skeleton texture. Compared with the prior art, the beneficial effects of the utility model are that: 1) simple structure and convenient manufacture. 2) The structure strength of the slag blocking is enhanced, the capability of resisting molten steel scouring and steel slag erosion is increased, the service life of the slag blocking cover is prolonged, and the service life can be generally prolonged by more than 2-3 times. The time for knotting again is saved by more than 5 hours, so that the labor intensity of workers is reduced, and the overhaul cost is saved. 4) The use frequency of the slag stopping cover is prolonged, and the continuous production rate of molten steel smelting is ensured, so that the production efficiency of the molten steel is improved, and the economic benefit of steel smelting is increased.
Description
Technical Field
The utility model relates to a steel smelting technical field especially relates to a novel pushing off slag lid.
Background
With the development of the steel industry, the requirements for the steel smelting technology are increasingly increased, and in order to improve the quality of molten steel in the steel smelting, VD vacuum treatment is required to be carried out in the refining process to remove oxide inclusions in the molten steel. When molten steel is subjected to VD vacuum treatment at a refining station, because the dynamic conditions are improved by vacuum, oxides can float up to slag, and steel slag floats on the surface of the molten steel. Along with the surging of molten steel in a ladle, steel slag along with the surging of the molten steel can splash outwards together with the molten steel.
The slag stopping cover is effective equipment for stopping splashing of the molten steel and the steel slag, in the process of stopping splashing of the molten steel and the steel slag, the molten steel impacts the slag stopping cover at high temperature continuously, and the steel slag is splashed and adhered to the surface of the slag stopping cover against the molten steel to cause secondary erosion to the slag stopping cover.
The slag blocking cover in the traditional form is composed of a steel plate on one side and a steel fiber casting material on the other side, the structural strength of the slag blocking cover is low, the service life is short, the slag blocking cover is required to be replaced and maintained for 3-5 times, the continuous productivity of molten steel smelting is influenced due to frequent replacement of the slag blocking cover, and the workload of replacement and maintenance personnel is increased. And this kind of structural steel fiber castable needs the reinforcement binding to be fixed, and the reinforcement binding is knotted very inconveniently, needs a large amount of complicated repeatability to work, and in the in-process of maintenance, need to remove all the steel fiber castable who remains last time totally after clean, refill the castable. This form of casting knots increases the labor intensity and maintenance time of the workers.
Disclosure of Invention
The utility model provides a novel pushing off slag lid, in order to solve the inherent technical problem of traditional pushing off slag lid, novel pushing off slag lid has adopted net frame construction, sets up net frame construction in the middle of the steel fibre pouring material, has strengthened the use strength of pouring the material, has increased the ability that the pushing off slag lid resists molten steel high temperature impact and slag erosion, has lengthened the life of pushing off slag lid. The novel slag stopping cover with the grid frame structure saves the time for maintaining and knotting the slag stopping cover, greatly reduces the labor intensity of workers and shortens the working time of the workers.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a novel pushing off slag lid, includes filler retainer plate, net frame construction, pushing off slag lid steel fibre pouring material, net frame construction and filler retainer plate welded fastening, pushing off slag lid steel fibre pouring material is filled between filler retainer plate and grid structure frame, the net frame construction that increases between filler retainer plate and filler pushing off slag lid filler is "well" style of calligraphy structure.
The grid frame structure is formed by 4 flat steels with the length of 1000mm-1300mm forming a main framework shaped like a Chinese character jing and 36 flat steels with the length of 200mm-500mm forming sub frameworks shaped like a Chinese character jing.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the novel grid frame structure of the slag blocking cover is simple in structure and convenient to manufacture.
2) The grid frame structure of the novel slag blocking cover enhances the structural strength of the slag blocking, increases the capability of resisting molten steel scouring and steel slag erosion, prolongs the service life of the slag blocking cover, and generally can improve the service life by more than 2-3 times.
3) The novel grid frame structure of the slag stopping cover saves the time of knotting again by more than 5 hours, thereby reducing the labor intensity of workers and saving the overhaul cost.
4) The application of the novel slag stopping cover prolongs the use frequency of the slag stopping cover and ensures the continuous production rate of molten steel smelting, thereby improving the production efficiency of the molten steel and increasing the economic benefit of steel smelting.
Drawings
FIG. 1 is a schematic view of the novel slag-stopping cover of the present invention.
FIG. 2 is a schematic sectional view of the novel slag trap cover in vertical view.
Figure 3 is a schematic top view of the slag trap cover of the present invention.
Fig. 4 is a schematic diagram of the grid framework structure of the present invention.
Fig. 5 is an axonometric view of the grid frame structure of the present invention.
Fig. 6 is the "well" shaped main frame structure of the present invention.
Fig. 7 is a "well" shaped sub-frame structure a of the present invention.
Fig. 8 is a "well" shaped sub-frame structure b of the present invention.
Fig. 9 is a "well" shaped sub-frame structure c of the present invention.
In the figure: 1. filler retainer plate 2, net frame construction 3, steel fiber pouring material 4. "well" style of calligraphy main skeleton structure 5. "well" style of calligraphy divides skeleton structure a 6. "well" style of calligraphy divides skeleton structure b 7. "well" style of calligraphy divides skeleton structure c
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
shown by figure 1, figure 2, figure 3, the utility model relates to a novel pushing off slag lid, include filler retainer plate 1, net frame construction 2, pushing off slag lid steel fibre pouring material 3, net frame construction 2 and filler retainer plate 1 welded fastening, pushing off slag lid steel fibre pouring material 3 is filled between filler retainer plate 1 and net frame construction 2, through the design health preserving.
Shown by figure 4, be net frame structure schematic diagram, novel slag bridge cover's net frame structure 2 be by 4 length at 1000mm-1300mm band steel with great ease constitute "well" style of calligraphy main skeleton structure 4 and 36 length at 200mm-500mm band steel with great ease formation "well" style of calligraphy divide skeleton a 5, "well" style of calligraphy divide skeleton structure b 6, "well" style of calligraphy divide skeleton c 7 to form combined type net frame structure jointly.
The grid frame structure improves the structural strength of the slag blocking cover, increases the impact resistance in the use process, and prolongs the service life of the slag blocking cover. And the novel slag blocking cover adopts a grid frame structure, so that the time for knotting again required by the staff to maintain the slag blocking cover at every time is saved, the labor intensity of the staff is reduced, and the labor productivity of the staff is improved.
The utility model relates to a novel working principle of pushing off slag lid is: when VD treatment is carried out in the molten steel refining process, steel slag splashes outwards together with molten steel along with the surging of the molten steel in a ladle. The novel slag stopping cover is effective equipment for stopping splashing of molten steel and steel slag, the novel slag stopping cover is welded in the filler fixing ring by applying a novel grid frame structure, and then the steel fiber casting material is filled inwards, so that the strength of the steel fiber casting material is enhanced, the erosion resistance and high-temperature impact resistance of the novel slag stopping cover are enhanced, meanwhile, the time for knotting again required for maintaining the slag stopping cover is saved, and the labor intensity of workers is reduced
The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.
[ examples ] A method for producing a compound
The packing retainer ring of this example used the packing retainer ring of the original slag trap cover.
As shown in fig. 6, according to the area of the filler retainer plate, 4 flat steels with the length of 1414mm are cut out, the specification is 150mmX10mm, the 4 flat steels are vertically and horizontally overlapped into a 'well' -shaped structure, and the welding is firm to be used as a 'well' -shaped main framework structure of a novel grid framework structure.
As shown in fig. 7, 8 and 9, the cut lengths of the 36 flat steels are respectively 8 flat steels with lengths of 220mm,8 flat steels with lengths of 370mm,8 flat steels with lengths of 490mm and 12 flat steels with lengths of 500mm, the specification of the flat steels is 150mmx10mm, the 36 flat steels are overlapped together in pairs and are welded firmly to form a 'well' -shaped sub-framework structure a, b and c in the novel grid framework structure, and the structural specifications are 220mmx370mm, 490mmx500mm and 500mmx500 mm.
The well-shaped sub-framework structures a, b and c are welded in the well-shaped main framework structure, so that the novel grid framework structure 2 of the slag stopping cover is formed.
As shown in fig. 1, the grid framework structure is welded into the filler fixing ring, then the steel fiber casting material is filled inwards, after local knotting and curing for 3 days, the grid framework structure is dried for 24 hours by using small gas fire for each surface, and then the grid framework structure is sintered for 24 hours by using big fire, so that the novel slag blocking cover is manufactured.
The utility model discloses in use has improved the structural strength of pushing off the slag lid, has increased the ability that the pushing off the slag lid shocks resistance and corrodes, has prolonged the life of pushing off the slag lid, and the continuous production rate that molten steel was smelted has been guaranteed to the use production number of times of improvement. Meanwhile, the time for maintaining the slag blocking cover is reduced, the labor intensity of workers is saved, and the maintenance cost of iron-making smelting is saved.
Claims (2)
1. The utility model provides a novel pushing off slag lid, its characterized in that, includes filler retainer plate, net frame construction, pushing off slag lid steel fiber pouring material, net frame construction and filler retainer plate welded fastening, pushing off slag lid steel fiber pouring material is filled between filler retainer plate and grid structure frame, net frame construction be "well" style of calligraphy structure.
2. The novel slag stopping cover according to claim 1, wherein the grid framework structure is formed by 4 flat steels with the length of 1000mm-1300mm vertically and horizontally forming a main framework shaped like a Chinese character jing and 36 flat steels with the length of 200mm-500mm vertically and horizontally forming sub frameworks shaped like a Chinese character jing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922375310.2U CN211445803U (en) | 2019-12-25 | 2019-12-25 | Novel slag blocking cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922375310.2U CN211445803U (en) | 2019-12-25 | 2019-12-25 | Novel slag blocking cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211445803U true CN211445803U (en) | 2020-09-08 |
Family
ID=72296475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922375310.2U Active CN211445803U (en) | 2019-12-25 | 2019-12-25 | Novel slag blocking cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211445803U (en) |
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2019
- 2019-12-25 CN CN201922375310.2U patent/CN211445803U/en active Active
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