CN204779774U - Package be built by contract in middle of multithread is integral - Google Patents
Package be built by contract in middle of multithread is integral Download PDFInfo
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- CN204779774U CN204779774U CN201520572409.0U CN201520572409U CN204779774U CN 204779774 U CN204779774 U CN 204779774U CN 201520572409 U CN201520572409 U CN 201520572409U CN 204779774 U CN204779774 U CN 204779774U
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- steel
- multithread
- steel construction
- tundish cover
- monoblock type
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Abstract
The utility model relates to a package be built by contract in middle of multithread is integral, including steel construction, refractory material, an anchor assembly and the 2nd anchor assembly, the steel construction includes the frame steelframe and connects the inside connection steel part of frame steelframe, an anchor assembly fixes uniformly on the frame steelframe, the 2nd anchor assembly fixes uniformly connect on the steel part, the steel construction with the refractory material integral cast shaping, the inside of the steel construction of refractory material pouring is equipped with a plurality of classes of steel holes and toasts the hole, the appearance profile of steel construction is unanimous with the shape of middle package mouth, the thickness of the frame steelframe of steel construction is unanimous with the thickness of middle package be built by contract. The utility model has the characteristics of good, the anti scouring of thermal shock resistance is strong, intensity is high, heat preservation is effectual and long service life.
Description
Technical field
The utility model relates to smelting iron and steel technical field, particularly relates to a kind of multithread monoblock type tundish cover watering steel for tundish.
Background technology
In continuous casting system, tundish is as the container of molten steel in the complete rear ladle of access refining, and it is the transition container carrying out continuous casting.Tundish mainly plays decompression, current stabilization, goes to be mingled with, to store and to shunt the effect of molten steel, and it, producing the Warm status of circular flow, directly affects the change of liquid steel temperature.In order to reduce molten steel temperature drop, generally taking strengthening baking of tundish, improving the turnover of tundish heat, optimizing tundish liner body structure, molten steel operation process adds heat preserving agent and the tundish upper surface means such as to add a cover are implemented.In wherein adopting, clad is fairly simple and direct method.
Middle clad directly covers on tundish, then periodically runs together with tundish, namely toast-fills stopper-upper continuous casting platform baking-access molten steel-water steel-lower continuous casting platform to cool.Middle clad plays an important role in operational process: can prevent heat lost by radiation on the one hand; The splash of thermal radiation and molten steel or slag can be stoped on the other hand, protect various equipment, improve operating environment.
At present, in steel mill's multithread, clad all adopts split type little clad to combine substantially, is namely formed a whole by two or more little clad.Parcel is stamped and adopts stamp mass clad, have employing fiber clad, also have the directly thick steel billet of employing.There are some shortcomings in this split type clad: one is need repeatedly to lift, and installs very loaded down with trivial details; Two is there is larger gap between little clad and little clad, very easily alters fire, the termination steel plate of scaling loss clad; Three is that work-ing life is on the low side, and the combining site steel plate of little clad and little clad directly bears flame calcination and high-temperature molten steel thermal radiation, and be very easily out of shape scaling loss, cause refractory materials to burst apart and peel off, the work-ing life of clad is low; Four is that heat lost by radiation is large, and the little clad of polylith is assembled not easily tight, and the effect of sealing is poor, and heat loss is very large; Five is that the weight of steel billet clad is very heavy, and add the burden that row hangs, and heat insulation effect is poor, heat lost by radiation is large.
Summary of the invention
Technical problem to be solved in the utility model is to provide that a kind of steelwork design is excellent, good thermal shock, slag corrosion resistance are strong, intensity is high, the multithread monoblock type tundish cover of high insulating effect and long service life.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of multithread monoblock type tundish cover, comprises steel construction, refractory materials, the first anchoring piece and the second anchoring piece; Described steel construction comprises housing steelframe and is connected to the connection steel part of described housing steelframe inside, and described first anchoring piece is fixed on described housing steelframe equably, and described second anchoring piece is fixed on described connection steel part equably; Described steel construction and described refractory materials integrated poured shaping, the inside of the steel construction of described refractory material casting is provided with steel outlet hole and baking hole; The appearance profile of described steel construction is consistent with the shape of middle handbag mouth, the thickness of housing steelframe of described steel construction and the consistency of thickness of tundish cover.
Preferably, the cast plane of described tundish cover is symmetrical about its medullary ray.
Preferably, described steel construction inside comprises the multiple steel outlet hole and multiple baking hole that are arranged side by side, and multiple described steel outlet hole and multiple described baking hole successively interleaved are arranged.Preferably, described steel construction inside comprises five steel outlet holes and four baking holes of interleaved setting successively, and steel outlet hole described in one of them is positioned at the mid-way of described steel construction.
Preferably, the housing steelframe of described steel construction is welded with multiple hanger, is preferably symmetrical arranged four hangers in the surrounding of housing steelframe.
Preferably, described connection steel part comprises and is multiplely arranged on longitudinal junction steel plate between described steel outlet hole and described baking hole and arranged in parallel, and the lateral connection steel pipe all perpendicular with multiple described longitudinal junction steel plate.
Preferably, multiple described longitudinal junction steel plate is welded to each other into " well " character form structure with multiple described lateral connection steel pipe, and described steel outlet hole and described baking Kong Jun are positioned at the middle part of described " well " character form structure.
Preferably, the shape of cross section in described steel outlet hole and described baking hole is circular, oval or rectangle.
Preferably, the vertical sectional shape in described steel outlet hole and described baking hole is isosceles trapezoid.
Preferably, the performance perameter of described refractory materials is: 110 DEG C × 24h dries rear folding strength >=6Mpa, compressive strength >=30Mpa; Folding strength >=8Mpa, compressive strength >=50Mpa after 1500 DEG C × 3h burns.
Based on technique scheme, the beneficial effects of the utility model are:
1. tundish cover adopts excellent steelwork design and refractory material casting, the housing steelframe in steel construction be connected steel part and be not all directly heated, steel construction deflection is little, reduces the stress impact of tundish cover;
2. tundish cover adopts unshape refractory integrated poured, and form through low-temperature bake, tundish cover overall performance is good, and intensity is high, and in use cracky does not peel off;
3. tundish cover steel construction and refractory materials matched performance good, long service life, improves the economic benefit of steel mill;
4. the unshape refractory thermal shock resistance of tundish cover employing is good, can meet large, the cold and hot change of temperature difference service requirements frequently in tundish periodic job process;
5. tundish cover adopts high-quality refractory material, and its resistance to slag corrosion is good, and anti-molten steel scouring capability is strong;
6. monoblock type tundish cover, good sealing effect, has good heat insulation and preservation effect, effectively can stop the heat radiation of molten steel in tundish, reduces molten steel temperature drop, save energy;
7. monoblock type tundish cover, convenient installation, alleviates labor strength.
Therefore, the utility model has good thermal shock, slag corrosion resistance is strong, intensity is high, the feature of high insulating effect and long service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is along A-A schematic cross-section in Fig. 1;
Fig. 3 is the schematic diagram of steel construction in Fig. 1, the first anchoring piece and the second anchoring piece.
In accompanying drawing, the list of parts representated by each label is as follows:
1. steel construction, 2. refractory materials, 3. the first anchoring piece, 4. the second anchoring piece, 5. housing steelframe, 6. longitudinal junction steel plate, 7. lateral connection steel pipe, 8. steel outlet hole, 9. toast hole, 10. hanger.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1 to Figure 3, a kind of multithread monoblock type tundish cover, comprises steel construction 1, refractory materials 2, first anchoring piece 3 and the second anchoring piece 4; Described steel construction 1 comprises housing steelframe 5 and is connected to the connection steel part of described housing steelframe 5 inside, and described first anchoring piece 3 is fixed on described housing steelframe 5 equably, and described second anchoring piece 4 is fixed on described connection steel part equably; Described steel construction 1 is integrated poured shaping with described refractory materials 2, and the inside of the steel construction 1 that described refractory materials 2 is poured into a mould is provided with steel outlet hole 8 and baking hole 9; The thickness of housing steelframe 5 of described steel construction 1 and the consistency of thickness of tundish cover, the appearance profile of described steel construction 1 is consistent with the shape of middle handbag mouth, the housing steelframe 5 of the steel construction 1 in Fig. 1 is a kind of special-shaped framework, comprises two longitudinal steel plates of head and the tail welding successively, a horizontal steel plate and four oblique steel plates.
Preferably, the cast plane of described tundish cover is symmetrical about its medullary ray.
Preferably, described steel construction 1 inside comprises the multiple steel outlet holes 8 and multiple baking hole 9 that are arranged side by side, and multiple described steel outlet hole 8 and multiple described baking hole 9 successively interleaved are arranged.Preferably, described steel construction 1 inside comprises five steel outlet holes 8 and four baking holes 9 of interleaved setting successively, and steel outlet hole 8 described in one of them is positioned at the mid-way of described steel construction 1.
Preferably, the housing steelframe 5 of described steel construction 1 is welded with multiple hanger 10, is preferably symmetrical arranged four hangers 10 in the surrounding of housing steelframe 5.
Preferably, described connection steel part comprises and is multiplely arranged on longitudinal junction steel plate 6 between described steel outlet hole 8 and described baking hole 9 and arranged in parallel, and the lateral connection steel pipe 7 all perpendicular with multiple described longitudinal junction steel plate 6.
Preferably, multiple described longitudinal junction steel plate 6 is welded to each other into " well " character form structure with multiple described lateral connection steel pipe 7, and described steel outlet hole 8 and described baking hole 9 are all positioned at the middle part of described " well " character form structure.
Preferably, the shape of cross section in described steel outlet hole 8 and described baking hole 9 is circular, oval or rectangle.
Preferably, as shown in Figure 2, the vertical sectional shape in described steel outlet hole 8 and described baking hole 9 is isosceles trapezoid.
Preferably, the performance perameter of described refractory materials 2 is: 110 DEG C × 24h dries rear folding strength >=6Mpa, compressive strength >=30Mpa; Folding strength >=8Mpa, compressive strength >=50Mpa after 1500 DEG C × 3h burns.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a multithread monoblock type tundish cover, is characterized in that: comprise steel construction, refractory materials, the first anchoring piece and the second anchoring piece; Described steel construction comprises housing steelframe and is connected to the connection steel part of described housing steelframe inside, the thickness of housing steelframe of described steel construction and the consistency of thickness of tundish cover, described first anchoring piece is fixed on described housing steelframe equably, and described second anchoring piece is fixed on described connection steel part equably; Described steel construction and described refractory materials integrated poured shaping, the inside of the steel construction of described refractory material casting is provided with steel outlet hole and baking hole; The appearance profile of described steel construction is consistent with the shape of middle handbag mouth.
2. a kind of multithread monoblock type tundish cover according to claim 1, it is characterized in that, the cast plane of described tundish cover is symmetrical about its medullary ray.
3. a kind of multithread monoblock type tundish cover according to claim 1, is characterized in that, described steel construction inside comprises the multiple steel outlet hole and multiple baking hole that are arranged side by side, and multiple described steel outlet hole and multiple described baking hole successively interleaved are arranged.
4. a kind of multithread monoblock type tundish cover according to claim 3, it is characterized in that, described steel construction inside comprises five steel outlet holes and four baking holes of interleaved setting successively, and steel outlet hole described in one of them is positioned at the mid-way of described steel construction.
5. a kind of multithread monoblock type tundish cover according to claim 1, is characterized in that, the housing steelframe of described steel construction is welded with multiple hanger.
6. a kind of multithread monoblock type tundish cover according to claim 1, it is characterized in that, described connection steel part comprises and is multiplely arranged on longitudinal junction steel plate between described steel outlet hole and described baking hole and arranged in parallel, and the lateral connection steel pipe all perpendicular with multiple described longitudinal junction steel plate.
7. a kind of multithread monoblock type tundish cover according to claim 6, it is characterized in that, multiple described longitudinal junction steel plate is welded to each other into " well " character form structure with multiple described lateral connection steel pipe, and described steel outlet hole and described baking Kong Jun are positioned at the middle part of described " well " character form structure.
8. a kind of multithread monoblock type tundish cover according to claim 1, is characterized in that, the shape of cross section in described steel outlet hole and described baking hole is circular, oval or rectangle.
9. a kind of multithread monoblock type tundish cover according to claim 1, it is characterized in that, the vertical sectional shape in described steel outlet hole and described baking hole is isosceles trapezoid.
10. according to described a kind of multithread monoblock type tundish cover arbitrary in claim 1 to 9, it is characterized in that, the performance perameter of described refractory materials is: 110 DEG C × 24h dries rear folding strength >=6Mpa, compressive strength >=30Mpa; Folding strength >=8Mpa, compressive strength >=50Mpa after 1500 DEG C × 3h burns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572409.0U CN204779774U (en) | 2015-07-31 | 2015-07-31 | Package be built by contract in middle of multithread is integral |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572409.0U CN204779774U (en) | 2015-07-31 | 2015-07-31 | Package be built by contract in middle of multithread is integral |
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| Publication Number | Publication Date |
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| CN204779774U true CN204779774U (en) | 2015-11-18 |
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| CN201520572409.0U Active CN204779774U (en) | 2015-07-31 | 2015-07-31 | Package be built by contract in middle of multithread is integral |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057650A (en) * | 2015-07-31 | 2015-11-18 | 武汉威林科技股份有限公司 | Multi-flow integrated tundish cover |
-
2015
- 2015-07-31 CN CN201520572409.0U patent/CN204779774U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057650A (en) * | 2015-07-31 | 2015-11-18 | 武汉威林科技股份有限公司 | Multi-flow integrated tundish cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Multi-flow integrated tundish cover Effective date of registration: 20191224 Granted publication date: 20151118 Pledgee: Wuhan rural commercial bank Limited by Share Ltd Yangluo Economic Development Zone Branch Pledgor: Wuhan Winning Technology Co., Ltd. Registration number: Y2019420000039 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210315 Granted publication date: 20151118 Pledgee: Wuhan rural commercial bank Limited by Share Ltd. Yangluo Economic Development Zone Branch Pledgor: WUHAN WINNING TECHNOLOGY Co.,Ltd. Registration number: Y2019420000039 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |