CN202667626U - Tundish cover for steel-making continuous casting - Google Patents
Tundish cover for steel-making continuous casting Download PDFInfo
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- CN202667626U CN202667626U CN 201220329202 CN201220329202U CN202667626U CN 202667626 U CN202667626 U CN 202667626U CN 201220329202 CN201220329202 CN 201220329202 CN 201220329202 U CN201220329202 U CN 201220329202U CN 202667626 U CN202667626 U CN 202667626U
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- steel
- tundish cover
- continuous casting
- main body
- making continuous
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Abstract
The utility model provides a tundish cover for steel-making continuous casting. The tundish cover comprises a steel channel frame, a cover main body, a burner hole and a stopper blockage hole, wherein the steel channel frame is arranged on the top of the tundish; the cover main body is erected on the top of the steel channel frame and is of a tundish cover shape, and comprises a plurality of connecting pipes which are made from waste nozzles, have different lengths and are arranged in parallel, wherein the pipe walls of the adjacent two connecting pipes are closely connected together; and the burner hole and the stopper blockage hole are formed on the cover main body. The cover main body of the tundish cover for steel-making continuous casting provided by the utility model is made from the waste nozzles, input cost is not needed, because the waste nozzles still have certain shapes and strengths, the strength requirement of the tundish cover can be satisfied, and the scheme is feasible; and moreover, the steel channel frame only needs to use a small amount of steel, compared with the tundish cover of a support steel shell which is formed by welding steel plates, a great amount of steel is saved, and the manufacturing cost is lowered.
Description
Technical field
The utility model relates to the metallurgical continuous casting technical field, more particularly, relates to a kind of steel-making continuous casting tundish cover.
Background technology
In the process of Ferrous Metallurgy, the continuous casting tundish not only has storage, distributes the effect of molten steel, but also is an equipment that molten steel is carried out refining, and it can play and improve turbulence, removes in the molten steel effect such as field trash.Tundish is a refractory material container of using in the steel-making of short flow process, at first accepts to water the molten steel that gets off from ladle, and then is assigned in each crystallizer by middle water containing opening and goes.In order effectively to reduce the heat radiation of Metal in Tundish, reduce molten steel temperature drop and high temperature heat radiation to the impact of site operation personnel and equipment, the top of tundish is provided with tundish cover.
At present, the support box hat that the tundish cover that often uses forms as Plate Welding, its below welding grasp and the structure of refractory of tiing a knot, the tundish cover of this structure has been used the higher steel of great amount of cost, and cost of manufacture is high.
In addition, the anti-material in the above-mentioned tundish cover structure in use easily comes off because the thermal stress effect cracks progressively, has reduced the service life of tundish cover, causes it to change frequent, has increased the later stage input cost.Moreover the anti-material that comes off on the tundish cover can cause secondary pollution to molten steel, causes foreign substance in molten steel to increase, and has reduced slab quality.
In sum, how providing a kind of steel-making continuous casting tundish cover, to reduce cost of manufacture, is the technical problem that present those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of steel-making continuous casting tundish cover, to reduce cost of manufacture.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of steel-making continuous casting tundish cover comprises:
Be arranged on the chan frame at tundish top;
Set up at described chan frame top, and be the clad main body of tundish cover shape, described clad main body comprises the tube connector of the different length that many of being arranged side by side are made by the waste and old mouth of a river, and the sealing of the tube wall of two adjacent described tube connectors links to each other;
Be arranged on burner hole and the stifled discharge orifice of stopper on the described clad main body.
Preferably, above-mentioned steel-making continuous casting is with in the tundish cover, and a side of described clad main body also is provided be used to the horizontal clamp mechanism that makes described tube connector tube wall close contact; Described horizontal clamp mechanism comprises:
The first afterbody baffle plate;
Tail end is arranged on described the first afterbody baffle plate, and head end passes the first pull bar of described tube connector successively;
Be set in the head end of described the first pull bar, be used for making the first clamp nut of described tube connector tube wall close contact;
Be arranged on the first Compress Spring between described the first clamp nut and the described tube connector.
Preferably, above-mentioned steel-making continuous casting is with in the tundish cover, and described tube connector comprises many coaxial continuous arms.
Preferably, above-mentioned steel-making continuous casting is with in the tundish cover, and described arm is connected by axial grip mechanism, and described axial grip mechanism comprises:
The second afterbody baffle plate;
Tail end is arranged on described the second afterbody baffle plate, and head end passes the second pull bar of described arm successively;
The fastening bolt that one end links to each other with the head end of described the second pull bar;
Be arranged on the other end of described fastening bolt, be used for making the second clamp nut of described tube end close contact, described the second clamp nut also is provided with packing ring near a side of described arm;
Be arranged on the second Compress Spring between described the second clamp nut and the described packing ring.
Preferably, above-mentioned steel-making continuous casting is with in the tundish cover, and described chan frame is made of the many channel-section steels that link to each other by bolt.
Preferably, above-mentioned steel-making continuous casting is with in the tundish cover, and the two ends of described chan frame are respectively arranged with the outer arc body side frame for fixing described clad main body two ends, and the inboard of this outer arc body side frame also is provided with the inner arc body side frame; And a side of described chan frame is provided with the body side frame between the described outer arc body side frame that is connected to two ends.
Preferably, above-mentioned steel-making continuous casting is with in the tundish cover, and the hole wall of the stifled discharge orifice both sides of described burner hole and described stopper is all set up on described channel-section steel slidably.
Preferably, above-mentioned steel-making continuous casting also be provided with one deck refractory material on the described clad main body, and the top of described clad main body also is provided with heat-preservation cotton with in the tundish cover.
Preferably, above-mentioned steel-making continuous casting is with in the tundish cover, and the described waste and old mouth of a river is the waste and old quartzy mouth of a river.
The steel-making continuous casting that the utility model provides comprises chan frame with tundish cover, sets up in the clad main body at chan frame top and burner hole and the stopper that is arranged on the clad main body and blocks up discharge orifice; Wherein, chan frame is arranged on the top of tundish, and the clad main body is the shape of tundish cover, and it comprises the tube connector of the different length that many of being arranged side by side are made by the waste and old mouth of a river, and the sealing of the tube wall of two adjacent tube connectors links to each other.
Because the steel-making continuous casting that the utility model provides utilizes the waste and old mouth of a river to make with the clad main body of tundish cover, do not need input cost, because the discarded mouth of a river still has definite shape and intensity, can satisfy the requirement of strength of tundish cover, so this scheme is feasible; And its chan frame place only need to use a small amount of steel, compares with the tundish cover of the support box hat that is formed by Plate Welding in the prior art, has saved a large amount of steel, has reduced cost of manufacture.
Simultaneously, because the steel-making continuous casting that the utility model provides has effectively utilized the waste and old mouth of a river with tundish cover, solved the mouth of a river of discarding after using in the production process and can't obtain the difficult problem that Efficient Cycle utilizes.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the steel-making continuous casting that provides of the utility model embodiment with the top view of tundish cover;
Fig. 2 is the partial enlarged drawing of I part among Fig. 1;
Fig. 3 is the A-A cross-sectional schematic of Fig. 1;
Fig. 4 is the B-B cross-sectional schematic of Fig. 1;
Fig. 5 is the C-C cross-sectional schematic of Fig. 1
Fig. 6 is the steel-making continuous casting that provides of the utility model embodiment with the front view of tundish cover;
Fig. 7 is the structural representation of the tube connector that provides of the utility model embodiment.
Among upper Fig. 1-7:
Clad main body 1, tube connector 11, the second clamp nut 12, fastening bolt 13, the second Compress Spring 14, the second pull bar 15, the second afterbody baffle plate 16, arm 17, packing ring 18, burner hole 2, chan frame 3, body side frame 4, the stifled discharge orifice 5 of stopper, outer arc body side frame 6, inner arc body side frame 7.
The specific embodiment
The utility model embodiment provides a kind of steel-making continuous casting tundish cover, has reduced cost of manufacture.
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to accompanying drawing 1-7, the steel-making continuous casting that the utility model embodiment provides comprises chan frame 3 with tundish cover, sets up in the clad main body 1 at chan frame 3 tops and burner hole 2 and the stopper that is arranged on the clad main body 1 and blocks up discharge orifice 5; Wherein, chan frame 3 is arranged on the top of tundish, and clad main body 1 is the shape of tundish cover, and it comprises the tube connector 11 of the different length that many of being arranged side by side are made by the waste and old mouth of a river, and the sealing of the tube wall of two adjacent tube connectors 11 links to each other.
Because the steel-making continuous casting that the utility model embodiment provides utilizes the waste and old mouth of a river to make with the clad main body of tundish cover, do not need input cost, because the discarded mouth of a river still has definite shape and intensity, can satisfy the requirement of strength of tundish cover, so this scheme is feasible; And its chan frame 3 places only need to use a small amount of steel, compare with the tundish cover of the support box hat that is formed by Plate Welding in the prior art, have saved a large amount of steel, have reduced cost of manufacture.
Simultaneously, because the steel-making continuous casting that the utility model embodiment provides has effectively utilized the waste and old mouth of a river with tundish cover, solved the mouth of a river of discarding after using in the production process and can't obtain the difficult problem that Efficient Cycle utilizes.
Preferably, the steel-making continuous casting that above-described embodiment provides is with in the tundish cover, and a side of clad main body 1 also is provided be used to the horizontal clamp mechanism that makes tube connector 11 tube wall close contacts; Laterally clamp mechanism comprises the first afterbody baffle plate, the first pull bar, the first clamp nut and the first Compress Spring, and wherein, the tail end of the first pull bar is arranged on the first afterbody baffle plate, and head end passes tube connector 11 successively; The first clamp nut is set in the head end of the first pull bar, is used for making tube connector 11 tube wall close contacts; The first Compress Spring is arranged between the first clamp nut and the tube connector 11.Because forming the tube connector 11 of clad main body 1 links to each other by above-mentioned horizontal clamp mechanism, laterally the first Compress Spring in the clamping structure has certain clamping force, the size of this clamping force can adapt to expanding with heat and contract with cold of tube connector 11, make between the tube wall of tube connector 11 and can at any time can both keep good close contact, and spalling can not occur, can alleviate and eliminate the internal stress that tube connector 11 produces because of variations in temperature, improved the thermal shock resistance of tundish cover, reduce clad main body 1 and in the process of using, cracked the phenomenon that progressively comes off because of the thermal stress effect, improved service life, reduce turnover rate, and then reduced the later stage input cost.Simultaneously, reduce tundish cover and cracked the phenomenon that causes anti-material to come off because of the thermal stress effect, reduced anti-material to the secondary pollution that molten steel causes, improved slab quality.
Concrete, tube connector 11 comprises many coaxial continuous arms 17.Owing to being subjected to the impact of the original size in the waste and old mouth of a river, every requirement that may not reach tube connector 11 length by the length of the arm 17 that obtains after the finishing of the waste and old mouth of a river, need many arms 17 coaxial being connected together are combined into tube connector 11, preferably, when repairing the waste and old mouth of a river, keep its middle cylindrical structural, the arm 17 that obtain this moment is cylindrical tube, certainly can also obtain the arm 17 of other shapes by the finishing to waste and old mouth of a river different modes, such as rectangular tube or prismatic pipe etc.
In order to alleviate and to eliminate arm because of the internal stress of variations in temperature generation, arm 17 is connected by axial grip mechanism, and axial grip mechanism comprises: the second afterbody baffle plate 16, the second pull bar 15, fastening bolt 13, the second clamp nut 12, packing ring 18 and the second Compress Spring 14; Wherein, the tail end of the second pull bar 15 is arranged on the second afterbody baffle plate 16, and head end passes arm 17 successively; One end of fastening bolt 13 links to each other with the head end of the second pull bar 15; The second clamp nut 12 is arranged on the other end of fastening bolt 13, and is used for making arm 17 end close contacts, packing ring 18 to be arranged on the second clamp nut 12 near a side of arm 17; The second Compress Spring 14 is arranged between the second clamp nut 12 and the packing ring 18.The second Compress Spring 14 has certain clamping force, the size of this clamping force can adapt to expanding with heat and contract with cold of arm 17, make the end of arm 17 at any time can both keep close contact, alleviate and eliminated arm because of the internal stress that variations in temperature produces, improved the thermal shock resistance of tundish cover.Certainly, the head end of the second pull bar 15 and tail end can also all carry out fastening by the cooperation of fastening bolt 13, the second clamp nut 12, packing ring 18 and the second Compress Spring 14 to arm 17, as shown in Figure 4 and Figure 5, structure among the figure has two the second Compress Springs 14, and the ability of its relief of thermal stress strengthens greatly.
Preferably, the steel-making continuous casting that above-described embodiment provides is with in the tundish cover, and chan frame 3 is made of the many channel-section steels that link to each other by bolt.At this moment, chan frame 3 is Demountable, when certain part channel-section steel is damaged the needs replacing, only it need to be disassembled replacing gets final product, the channel-section steel of other intact parts can be reused, not only guaranteed tundish cover that chan frame 3 and clad main body 1 be combined into not because local part distortion causes bulk deformation, and made things convenient for and make and the maintenance and repair in later stage.
In order to improve above-mentioned steel-making continuous casting with the intensity of tundish cover, the two ends of chan frame 3 are respectively arranged with for the fixing outer arc body side frame 6 at clad main body 1 two ends, and the inboard of this outer arc body side frame 6 also is provided with inner arc body side frame 7; And a side of chan frame 3 is provided with the body side frame 4 between the outer arc body side frame 6 that is connected to two ends; Above-mentioned outer arc body side frame 6, inner arc body side frame 7 and body side frame 4 have strengthened the holding capacity of the marginal portion of chan frame 3, improved the support strength of chan frame 3, and chan frame 3 and clad main body 1 are linked together, avoided clad main body 1 that landing, the service life of having improved tundish cover occur.
In order further to optimize technique scheme, the steel-making continuous casting that above-described embodiment provides is with in the tundish cover, and the hole wall of stifled discharge orifice 5 both sides of burner hole 2 and stopper is all set up on channel-section steel slidably.Preferably, the stifled discharge orifice 5 of burner hole 2 and stopper all is set to the square hole structure, can certainly be other shape, and this paper is not construed as limiting shape and the size in two holes, can satisfy all can of its function.At this moment, the stifled discharge orifice 5 of burner hole 2 and stopper can keep relative sliding with chan frame 3, when larger variation occured environment temperature, the thermal stress that the hole wall place of the stifled discharge orifice 5 of burner hole 2 and stopper produces can not squeezed the broken tube connector 11 that is in this hole site, has strengthened the adaptability of chan frame structure.
The steel-making continuous casting that above-described embodiment provides also is provided with one deck refractory material with in the tundish cover on the clad main body 1, improved fire resistance; And the top of clad main body 1 also is provided with heat-preservation cotton, has improved heat insulation effect, has reduced the heat radiation of Metal in Tundish, has reduced molten steel temperature drop and high temperature heat radiation to the impact of site operation personnel and equipment.
Concrete, the steel-making continuous casting that above-described embodiment provides is with in the tundish cover, and the waste and old mouth of a river is the waste and old quartzy mouth of a river.This quartz mouth of a river good heat resistance, distortion strong adaptability, difficult coming off, and it can float over the surface of molten steel after coming off, and is convenient to taking-up, can not cause secondary pollution to molten steel.Certainly, the waste and old mouth of a river of performance requirement can also can be satisfied for the waste aluminum zirconium carbon mouth of a river or other in the waste and old mouth of a river.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, in other embodiments realization.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a steel-making continuous casting tundish cover is characterized in that, comprising:
Be arranged on the chan frame (3) at tundish top;
Set up at described chan frame (3) top, and be the clad main body (1) of tundish cover shape, described clad main body (1) comprises the tube connector (11) of the different length that many of being arranged side by side are made by the waste and old mouth of a river, and the sealing of the tube wall of adjacent two described tube connectors (11) links to each other;
Be arranged on burner hole (2) and the stifled discharge orifice (5) of stopper on the described clad main body (1).
2. steel-making continuous casting tundish cover according to claim 1 is characterized in that, a side of described clad main body (1) also is provided be used to the horizontal clamp mechanism that makes described tube connector (11) tube wall close contact; Described horizontal clamp mechanism comprises:
The first afterbody baffle plate;
Tail end is arranged on described the first afterbody baffle plate, and head end passes the first pull bar of described tube connector (11) successively;
Be set in the head end of described the first pull bar, be used for making the first clamp nut of described tube connector (11) tube wall close contact;
Be arranged on the first Compress Spring between described the first clamp nut and the described tube connector (11).
3. steel-making continuous casting tundish cover according to claim 2 is characterized in that, described tube connector (11) comprises many coaxial continuous arms (17).
4. steel-making continuous casting tundish cover according to claim 3 is characterized in that, described arm (17) is connected by axial grip mechanism, and described axial grip mechanism comprises:
The second afterbody baffle plate (16);
Tail end is arranged on described the second afterbody baffle plate (16), and head end passes second pull bar (15) of described arm (17) successively;
The fastening bolt (13) that one end links to each other with the head end of described the second pull bar (15);
Be arranged on the other end of described fastening bolt (13), be used for making second clamp nut (12) of described arm (17) end close contact, described the second clamp nut (12) also is provided with packing ring (18) near a side of described arm (17);
Be arranged on the second Compress Spring (14) between described the second clamp nut (12) and the described packing ring (18).
5. steel-making continuous casting tundish cover according to claim 1 is characterized in that, described chan frame (3) is made of the many channel-section steels that link to each other by bolt.
6. steel-making continuous casting tundish cover according to claim 5, it is characterized in that, the two ends of described chan frame (3) are respectively arranged with the outer arc body side frame (6) for fixing described clad main body (1) two ends, and the inboard of this outer arc body side frame (6) also is provided with inner arc body side frame (7); And a side of described chan frame (3) is provided with the body side frame (4) between the described outer arc body side frame (6) that is connected to two ends.
7. steel-making continuous casting tundish cover according to claim 5 is characterized in that, the hole wall of stifled discharge orifice (5) both sides of described burner hole (2) and described stopper is all set up on described channel-section steel slidably.
8. steel-making continuous casting tundish cover according to claim 7 is characterized in that, also is provided with one deck refractory material on the described clad main body (1), and the top of described clad main body (1) also is provided with heat-preservation cotton.
9. the described steel-making continuous casting tundish cover of any one is characterized in that according to claim 1-8, and the described waste and old mouth of a river is the waste and old quartzy mouth of a river.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329202 CN202667626U (en) | 2012-07-09 | 2012-07-09 | Tundish cover for steel-making continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329202 CN202667626U (en) | 2012-07-09 | 2012-07-09 | Tundish cover for steel-making continuous casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202667626U true CN202667626U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220329202 Withdrawn - After Issue CN202667626U (en) | 2012-07-09 | 2012-07-09 | Tundish cover for steel-making continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202667626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717058A (en) * | 2012-07-09 | 2012-10-10 | 莱芜钢铁集团有限公司 | Steelmaking continuous casting tundish cover and manufacturing process thereof |
-
2012
- 2012-07-09 CN CN 201220329202 patent/CN202667626U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717058A (en) * | 2012-07-09 | 2012-10-10 | 莱芜钢铁集团有限公司 | Steelmaking continuous casting tundish cover and manufacturing process thereof |
| CN102717058B (en) * | 2012-07-09 | 2013-12-11 | 莱芜钢铁集团有限公司 | Steelmaking continuous casting tundish cover and manufacturing process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20131211 |
|
| RGAV | Abandon patent right to avoid regrant |