CN210908082U - Tundish with safety baffle - Google Patents
Tundish with safety baffle Download PDFInfo
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- CN210908082U CN210908082U CN201921616509.3U CN201921616509U CN210908082U CN 210908082 U CN210908082 U CN 210908082U CN 201921616509 U CN201921616509 U CN 201921616509U CN 210908082 U CN210908082 U CN 210908082U
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- weir plate
- tundish
- main body
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- side wall
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Abstract
The utility model discloses a tundish with a safety baffle, which relates to the technical field of continuous casting and comprises a tundish main body, wherein the bottom of the tundish main body is provided with a long nozzle, and the tundish further comprises an upper weir plate which is detachably connected with the inner side wall of the tundish main body; the lower weir plate is detachably connected to the inner side wall of the tundish main body, and a gap is formed between the lower weir plate and the inner wall of the bottom of the tundish main body; the connecting plate is detachably connected between the upper weir plate and the lower weir plate; the diversion dam is detachably connected to the inner side wall of the tundish main body; and the limiting block is arranged on the inner side wall of the tundish main body and is abutted against the bottom of the connecting plate. The utility model discloses an go up the splice type structure of weir plate, lower weir plate and connecting plate to overcome and carried out the technical problem of the extravagant resource of whole change because of local damage among the prior art, reached the technological effect of saving the resource, the structure of concatenation formula is convenient for change simultaneously, and the practicality is strong.
Description
Technical Field
The utility model relates to a continuous casting technical field, specific take safety shield's centre package that says so.
Background
The tundish is a refractory container used in short-flow steelmaking, and firstly receives molten steel poured from a ladle, and then the molten steel is distributed into a crystallizer by a tundish nozzle for crystallization.
The tundish generally comprises a lining guard plate and a slag wall, wherein the lining guard plate is arranged on an impact area which is concave on one side of the steel pouring channel, and the slag wall is built in a dry material in the impact area; the slag blocking wall divides the tundish into two areas, so that molten steel is uniformly mixed in the impact area and then enters the pouring area through the diversion holes during pouring, and the phenomenon of cold steel at a water gap is greatly reduced; meanwhile, the introduction of the slag-stopping wall greatly prolongs the retention time of the molten steel in the tundish, promotes the floating of impurities in the molten steel, and blocks most slag inclusion objects in an impact area of the tundish through the slag-stopping wall, so that the cleanliness of the molten steel is greatly improved.
Among the prior art, chinese patent with patent application number CN 201720405583.5 discloses "middle package filters weir plate, it is including the plate body, the integrative casting of plate body takes shape, be equipped with the skeleton in the plate body, the skeleton adopts the steel reinforcement welding to form, the plate body top is equipped with rings, rings bottom extends in the plate body and is connected with the skeleton top, plate body bottom one side is equipped with the filter residue platform of evagination, filter residue platform bottom flushes with the plate body bottom, adopt the slope transition between filter residue platform top and the plate body lower part, the skeleton lower part is latticed, this latticed skeleton is located filter residue platform region, be equipped with the filter residue hole that runs through around a plurality of on the filter residue platform, filter residue hole distributes in corresponding skeleton mesh, filter residue hole is that both ends are big, little. The shock resistance after this scheme of adoption is effectual, long service life, the filter effect is good ", in concrete use, the discovery still exists at least as following not enough, plate body integrated into one piece, though the production shaping of being convenient for, nevertheless because the slice upper portion is different with the degree that the lower part was washed away by the molten steel in the use, lead to the damage degree to have the difference, there is the slice damage of lower part and the still usable condition of upper portion slice, at this moment need change whole slice, and then cause the waste of resource.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the correlation technique, the utility model aims at providing a take safety shield's middle package to technical problem more than solving.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a take safety shield's middle package, includes the middle package main part, long mouth of a river has been seted up to the bottom of middle package main part, still includes:
the upper weir plate is detachably connected to the inner side wall of the tundish main body;
the lower weir plate is detachably connected to the inner side wall of the tundish main body, and a gap is formed between the lower weir plate and the inner wall of the bottom of the tundish main body;
the connecting plate is detachably connected between the upper weir plate and the lower weir plate;
the diversion dam is detachably connected to the inner side wall of the tundish main body;
the limiting block is arranged on the inner side wall of the tundish main body and is abutted against the bottom of the connecting plate;
the upper weir plate, the lower weir plate and the diversion dam are all obliquely arranged on the inner side wall of the tundish main body.
Further, symmetrical distribution's first mounting groove, second mounting groove and third mounting groove are seted up to the inside wall of middle package main part, go up weir plate, lower weir plate and water conservancy diversion dam sliding connection respectively in first mounting groove, second mounting groove and third mounting groove.
Further, the lengths of the first mounting groove, the second mounting groove and the third mounting groove are sequentially increased.
Furthermore, the sliding directions of the upper weir plate, the lower weir plate and the diversion dam in the first installation groove, the second installation groove and the third installation groove are opposite to the flowing direction of molten steel in the tundish main body.
Furthermore, the top and the bottom of the connecting plate are respectively connected with an upper positioning block and a lower positioning block which are uniformly distributed, the bottom of the upper weir plate is provided with a first positioning groove matched with the upper positioning block, and the top of the lower weir plate is provided with a second positioning groove matched with the lower positioning block.
Furthermore, the upper positioning block and the lower positioning block are integrally formed with the connecting plate.
Further, the thickness of the lower weir plate is larger than that of the upper weir plate.
Furthermore, the inner wall of the bottom of the tundish main body is also connected with an impact pad.
The utility model has the advantages that: a tundish with a safety baffle plate,
1. because of the adoption of the splicing structure of the upper weir plate, the lower weir plate and the connecting plate, the technical problem of resource waste caused by integral replacement due to local damage in the prior art is solved, the technical effect of saving resources is achieved, meanwhile, the splicing structure is convenient to replace, and the practicability is high.
2. Due to the adoption of the inclined placement, the problem of low collision efficiency with the weir plate in the flowing process of the molten steel is solved, and the floating efficiency in the molten steel is accelerated.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is one of the connection structure diagrams of the upper weir plate, the lower weir plate and the connection plate of the present invention;
fig. 4 is a second schematic view of the connection structure of the upper weir plate, the lower weir plate and the connecting plate of the present invention;
in the figure: 1. a tundish body; 2. a long nozzle; 3. a weir plate is arranged; 4. a weir plate is arranged; 5. a connecting plate; 6. a diversion dam; 7. a first mounting groove; 8. a second mounting groove; 9. a third mounting groove; 10. an upper positioning block; 11. a lower positioning block; 12. a first positioning groove; 13. a second positioning groove; 14. an impact pad; 15. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments;
the utility model relates to a tundish with a safety baffle, which solves the technical problem that the weir plate in the related technology is locally damaged and needs to be integrally replaced; can be manufactured and used, and achieves the positive effects of saving resources, being convenient for replacement and improving the collision rate of inclusions in molten steel; the general idea is as follows: the molten steel falls into impact pad 14 in tundish body 1 on, flow to tundish body 1 both sides, the last weir plate 3 that the slope set up, lower weir plate 4 has improved the area of contact with the molten steel, molten steel and last weir plate 3 have been improved, the area of collision of lower weir plate 4, improve the efficiency that inclusion collision floated in the molten steel, logical nuo go up weir plate 3, lower weir plate 4 and connecting plate 5's concatenation formula structure, be convenient for pertinence change impaired part, the utilization efficiency of resource has been improved.
The first embodiment is as follows:
see fig. 1, fig. 2, fig. 3, fig. 4, a take safety shield's tundish, including tundish main part 1, the long mouth of a river 2 has been seted up to the bottom of tundish main part 1, still includes:
the upper weir plate 3 is detachably connected to the inner side wall of the tundish main body 1;
the lower weir plate 4 is detachably connected to the inner side wall of the tundish main body 1, and a gap is formed between the lower weir plate 4 and the inner wall of the bottom of the tundish main body 1;
the connecting plate 5 is detachably connected between the upper weir plate 3 and the lower weir plate 4;
the diversion dam 6 is detachably connected to the inner side wall of the tundish main body 1;
the limiting block 15 is arranged on the inner side wall of the tundish body 1 and is abutted against the bottom of the connecting plate 5;
the upper weir plate 3, the lower weir plate 4 and the diversion dam 6 are all obliquely arranged on the inner side wall of the tundish body 1, and the oblique angle is 30 degrees in the embodiment.
See fig. 1, fig. 2, symmetrical distribution's first mounting groove 7, second mounting groove 8 and third mounting groove 9 are seted up to the inside wall of middle package main part 1, go up weir plate 3, lower weir plate 4 and diversion dam 6 sliding connection respectively in first mounting groove 7, second mounting groove 8 and third mounting groove 9.
Referring to fig. 2, the lengths of the first installation groove 7, the second installation groove 8 and the third installation groove 9 are sequentially increased, and the sliding directions of the upper weir plate 3, the lower weir plate 4 and the diversion dam 6 in the first installation groove 7, the second installation groove 8 and the third installation groove 9 are opposite to the flowing direction of the molten steel in the tundish main body 1.
Referring to fig. 3 and 4, the top and the bottom of the connecting plate 5 are respectively connected with an upper positioning block 10 and a lower positioning block 11 which are uniformly distributed, the bottom of the upper weir plate 3 is provided with a first positioning groove 12 matched with the upper positioning block 10, and the top of the lower weir plate 4 is provided with a second positioning groove 13 matched with the lower positioning block 11.
Further, the upper positioning block 10 and the lower positioning block 11 are integrally formed with the connecting plate 5.
The thickness of the lower weir plate 4 is greater than that of the upper weir plate 3.
Referring to fig. 1 and 2, an impact pad 14 is further attached to the bottom inner wall of the tundish body 1.
The following is a detailed description of the respective constituent elements and the connection relationship:
when the upper weir plate 3, the lower weir plate 4 and the diversion dam 6 slide to the first mounting groove 7, the second mounting groove 8 and the third mounting groove 9, the upper weir plate 3, the lower weir plate 4 and the diversion dam 6 are respectively abutted against the groove walls of the first mounting groove 7, the second mounting groove 8 and the third mounting groove 9, and the connecting plate 5 is respectively clamped in the first positioning groove 12 and the second positioning groove 13 of the upper weir plate 3 and the lower weir plate 4 through the upper positioning block 10 and the lower positioning block 11.
Specifically, when the weir plate installation device is installed, firstly, the lower weir plate 4 slides to the bottom of the second installation groove 8, the lower positioning block 11 at the bottom of the connecting plate 5 is in alignment clamping with the second positioning groove 13 on the lower weir plate 4, one side, close to the upper positioning block 10, of the connecting plate 5 is supported through the limiting block 15, the upper weir plate 3 slides to the bottom of the first installation groove 7, the first positioning groove 12 is in alignment clamping with the upper positioning block 10, the installation of the weir plate part is completed, and then the diversion dam 6 slides to the bottom of the third installation groove 9, so that the installation is realized.
The utility model discloses a theory of operation: sliding the lower weir plate 4 to the bottom of the second mounting groove 8, aligning and clamping a lower positioning block 11 at the bottom of the connecting plate 5 with a second positioning groove 13 on the lower weir plate 4, supporting one side of the connecting plate 5 close to the upper positioning block 10 through a limiting block 15, sliding the upper weir plate 3 to the bottom of the first mounting groove 7, aligning and clamping a first positioning groove 12 with the upper positioning block 10 to complete the mounting of the weir plate part, sliding the diversion dam 6 to the bottom of the third mounting groove 9 to realize the mounting, when the upper weir plate 3 is damaged in the using process, stopping the machine to drain the molten steel and cool, sliding the damaged upper weir plate 3 out of the first mounting groove 7, sliding the new upper weir plate 3 to the bottom of the first mounting groove 7 to be aligned and clamped with the upper positioning block 10 on the connecting plate 5 to complete the replacement of the upper weir plate 3, when the connecting plate 5 is replaced, firstly disassembling the upper weir plate 3, aligning and clamping the lower positioning block 11 on the new connecting plate 5 with the second positioning groove 13, and then the upper weir plate 3 is assembled, the connection plate 5 is replaced, when the lower weir plate 4 is replaced, the upper weir plate 3 is required to be sequentially taken out, the connection plate 5 and the lower weir plate 4 are sequentially taken out, the upper weir plate 3 is installed on the tundish main body 1 together with the new lower weir plate 4 according to the installation steps, resources are saved while the replacement efficiency is increased by adopting the assembled structure, the upper weir plate 3 and the lower weir plate 4 are inclined by 30 degrees, the collision area of the upper weir plate 3 and the lower weir plate 4 with molten steel in the tundish main body 1 is increased, and the floating efficiency of impurities in the molten steel is further improved.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like, which indicate orientations or positional relationships, are based on the positional relationships illustrated in the drawings, and are only for convenience of describing the present invention or simplifying the description, but do not indicate specific orientations that must be provided; the operation processes described in the embodiments are not absolute use steps, and may be adjusted accordingly when actually used.
Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the use of "first," "second," and the like in the description and in the claims does not denote any order, quantity, or importance, but rather the terms "a" and "an" and the like are used to distinguish one element from another, and likewise, do not denote an absolute limitation of quantity, but rather denote the presence of at least one of the referenced item, as may be determined by reference to the example.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a take safety shield's middle package, includes middle package main part (1), long mouth of a river (2), its characterized in that has still been included have been seted up to the bottom of middle package main part (1):
the upper weir plate (3) is detachably connected to the inner side wall of the tundish main body (1);
the lower weir plate (4) is detachably connected to the inner side wall of the tundish main body (1), and a gap is formed between the lower weir plate (4) and the inner wall of the bottom of the tundish main body (1);
the connecting plate (5) is detachably connected between the upper weir plate (3) and the lower weir plate (4);
the flow guide dam (6) is detachably connected to the inner side wall of the tundish main body (1);
the limiting block (15) is arranged on the inner side wall of the tundish main body (1) and is abutted against the bottom of the connecting plate (5);
go up weir plate (3), lower weir plate (4) and diversion dam (6) and all incline to set up the inside wall in middle package main part (1).
2. The tundish with the safety baffle according to claim 1, wherein the inner side wall of the tundish body (1) is provided with a first mounting groove (7), a second mounting groove (8) and a third mounting groove (9) which are symmetrically distributed, and the upper weir plate (3), the lower weir plate (4) and the diversion dam (6) are respectively connected in the first mounting groove (7), the second mounting groove (8) and the third mounting groove (9) in a sliding manner.
3. The tundish with the safety baffle according to claim 2, wherein the lengths of the first installation groove (7), the second installation groove (8) and the third installation groove (9) are sequentially increased.
4. A tundish with a safety shield according to claim 3, wherein the upper weir plate (3), the lower weir plate (4) and the diversion dam (6) slide in the first installation groove (7), the second installation groove (8) and the third installation groove (9) in the direction opposite to the flow direction of the molten steel in the tundish body (1).
5. The tundish with the safety baffle according to any one of claims 1 to 4, wherein the top and the bottom of the connecting plate (5) are respectively connected with an upper locating block (10) and a lower locating block (11) which are uniformly distributed, the bottom of the upper weir plate (3) is provided with a first locating groove (12) matched with the upper locating block (10), and the top of the lower weir plate (4) is provided with a second locating groove (13) matched with the lower locating block (11).
6. A tundish with a safety shield according to claim 5, characterised in that the upper locating block (10) and the lower locating block (11) are both integrally formed with the connecting plate (5).
7. A tundish with a safety shield as claimed in any one of claims 1 to 4, wherein the lower weir plate (4) has a thickness greater than the thickness of the upper weir plate (3).
8. A tundish with a safety shield according to any one of claims 1 to 4, characterised in that an impact pad (14) is also attached to the inner bottom wall of the tundish body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616509.3U CN210908082U (en) | 2019-09-26 | 2019-09-26 | Tundish with safety baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616509.3U CN210908082U (en) | 2019-09-26 | 2019-09-26 | Tundish with safety baffle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210908082U true CN210908082U (en) | 2020-07-03 |
Family
ID=71360293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921616509.3U Active CN210908082U (en) | 2019-09-26 | 2019-09-26 | Tundish with safety baffle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210908082U (en) |
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2019
- 2019-09-26 CN CN201921616509.3U patent/CN210908082U/en active Active
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