CN206794743U - M type slag blocking walls for continuous casting production - Google Patents
M type slag blocking walls for continuous casting production Download PDFInfo
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- CN206794743U CN206794743U CN201720502289.6U CN201720502289U CN206794743U CN 206794743 U CN206794743 U CN 206794743U CN 201720502289 U CN201720502289 U CN 201720502289U CN 206794743 U CN206794743 U CN 206794743U
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- circular arc
- walls
- continuous casting
- slag blocking
- casting production
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Abstract
The utility model discloses a kind of M type slag blocking walls for continuous casting production, including middle walls and the side wall positioned at middle walls both sides, middle walls form interior arch towards impact zone, and middle walls and 2 side walls form M type structures；Hanger and steel spilling hole are equipped with two side walls, middle walls are provided with support bar groove.The utility model be advantageous to foreign substance in molten steel floating and molten steel flow field it is uniform, effectively the field trash in continuous casting steel can be purified, improve steel quality；Also resistant to corrosion, resistance to erosion and the intensity of the slag lining of slag blocking wall can be improved.
Description
Technical field
The utility model belongs to Ferrous Metallurgy continuous casting production flow fieldoptimization technical field, and in particular to one kind is used for continuous casting
The M type slag blocking walls of tundish.
Background technology
With the continuous development of continuous casting technology, requirements at the higher level it is also proposed to tundish.Tundish is located at ladle and crystallization
Between device, for receiving ladle molten steel and molten steel being injected into crystallizer, to the fine or not of continuous casting billet quality and it can realize efficiently
Continuous casting plays a key effect.When slag blocking wall is set in tundish can play stop of the proper extension molten steel in tundish
Between, the field trash in molten steel had time enough fully to collide, assemble, floated, with cleaning molten steel；Steel stream is set to reach in each stream
Between water-coating port time it is essentially identical, with the temperature uniformly respectively flowed, reduce bleedout and knot plug phenomenon；Change the flow field point of tundish
Cloth, stagnant area is reduced, increase laminar region, have the function that molten steel hydrodynamic regime optimal.At present, widely used centre
Being shaped as bag slag blocking wall is U-shaped, V-type and trapezium structure, and during continuous casting is opened and poured, molten steel is rapidly injected tundish impact area
It is interior, strong vortex and turbulent flow are formed therebetween, and now, MOLTEN STEEL FLOW state is more disorderly, and clinker is easily involved in molten steel, and then influences
The quality of steel.Meanwhile the vortex formed in impact zone is washed away to the slag lining of slag blocking wall seriously, with the increasing of pouring furnace number
Add, the gradual melting loss of slag lining of slag blocking wall, erosion come off, ftracture or even perforated phenomenon occur, so as to cause continuous casting to interrupt, no
Slag blocking wall must be changed without, have impact on production efficiency.Therefore, we are there is an urgent need to a kind of new slag blocking wall, to improve slag lining
Resistant to corrosion, flushing resistance.
Utility model content
The purpose of this utility model is to provide a kind of M type slag blocking walls for continuous casting production, and the M type slag blocking walls have
Resistant to corrosion, flushing resistance, the service life of slag blocking wall can be extended, improve production efficiency.
Technical scheme is used by the utility model：
A kind of M type slag blocking walls for continuous casting production, including middle walls and the side wall positioned at middle walls both sides, middle walls
Interior arch is formed towards impact zone, middle walls and 2 side walls form M type structures；Hanger and steel spilling hole are equipped with two side walls,
Middle walls are provided with support bar groove.In use, one end of support bar is placed in support bar groove, the other end of support bar is with
Between wrap connection, to fix M type slag blocking walls.
By such scheme, the middle walls include arch bridge section and the flat segments positioned at arch bridge section both ends, the angle of arch bridge section
For γ, γ is 45 ~ 65 °, to improve the resistant to corrosion of whole device, resistance to erosion and bulk strength.
By such scheme, flat segments are provided with circular arc b boss with side wall junction, and the radius of circular arc b boss is 30-60mm,
The arc surface of circular arc b boss is towards impact zone；The outside of flat segments passes through circular arc e transition, circular arc e angles with the outside of arch bridge section
For 40 ~ 65 °, circular arc e arc surface is backwards to impact zone；The inner edge of flat segments passes through circular arc d transition, circular arc with the inner edge of arch bridge section
D angles are 30 ~ 50 °, and circular arc d arc surface is backwards to impact zone.The structure is advantageous to the floating and molten steel flow field of foreign substance in molten steel
It is uniform, improve steel quality；Meanwhile the structure also improves the resistant to corrosion of the slag lining of slag blocking wall, resistance to erosion and strong
Degree.
By such scheme, circular b boss is with side wall by circular arc a transition, and circular arc a angles are 50 ~ 75 °, circular arc a circular arc
Face is backwards to impact zone；For circular b boss with flat segments by circular arc c transition, circular arc c angles are 55 ~ 75 °, and circular arc c arc surface is carried on the back
To impact zone.The structure is advantageous to the floating of foreign substance in molten steel and uniform, the raising steel quality of molten steel flow field；Meanwhile the knot
Structure also improves the resistant to corrosion, resistance to erosion and intensity of the slag lining of slag blocking wall.
By such scheme, 2 side walls are symmetrically laid in the both sides of middle walls；Side wall and the angle of flat segments are β, β 130
~ 160 °, to be advantageous to uniform, the raising steel quality of the floating of foreign substance in molten steel and molten steel flow field.
By such scheme, enhancement layer is provided with towards the middle and upper part of the side of impact zone in middle walls and side wall, it is whole to strengthen
The intensity of individual slag blocking wall.
By such scheme, the enhancement layer is with flat segments by circular arc d transition, and circular arc d angles are 30 ~ 50 °, circular arc d's
Arc surface is backwards to impact zone, to be advantageous to uniform, the raising steel quality of the floating of foreign substance in molten steel and molten steel flow field；Meanwhile
The structure also improves the resistant to corrosion, resistance to erosion and intensity of the slag lining of slag blocking wall.
By such scheme, the steel spilling hole is located at side wall middle and lower part, and it includes steel spilling hole and lower steel spilling hole；In level side
Upwards, upper steel spilling hole, lower steel spilling hole and side wall vertical direction form angle α, and α angles are 16 ~ 28 °；In the vertical direction, overflow steel
Hole forms upward angle δ with side wall vertical direction, and δ is 8 ~ 16 °, and lower steel spilling hole forms upward angle ε, ε with side wall vertical direction
Angle is 13 ~ 20 °.The structure is advantageous to the floating of foreign substance in molten steel and uniform, the raising steel quality of molten steel flow field.
By such scheme, the middle walls, the vertical section of side wall are right-angled trapezium, its right-angle side close to impact zone, its
Hypotenuse is away from impact zone, and the angle of hypotenuse and right-angle side is λ, and λ is 3 ~ 10 °, to improve the intensity of whole device.
By such scheme, middle walls and side wall can be made of corundum or refractory magnesia-alumina cast forms.
By such scheme, upper steel spilling hole is identical with the diameter of lower steel spilling hole；A diameter of the 100 of upper steel spilling hole and lower steel spilling hole
~170mm。
By such scheme, hanger is symmetricly set at the top of side wall, in order to lift by crane；Support bar groove has 2, respectively symmetrically
It is arranged at the top of middle walls.
The beneficial effects of the utility model are：
When slag blocking wall is designed to M types, be advantageous to foreign substance in molten steel floating and molten steel flow field it is uniform, can be effectively to continuous casting
Field trash in molten steel is purified, and improves steel quality；Meanwhile the structure also improves the resistance to of the slag lining of slag blocking wall and invaded
Erosion, resistance to erosion and intensity；
Extend the service life of slag blocking wall, it is ensured that the continuity of continuous casting, improve production efficiency；
Enhancement layer is provided with, is thickeied with the slag line to slag blocking wall, has both improved the intensity of slag blocking wall, also improves gear
The corrosion resistance and flushing resistance of slag wall, the service life of slag blocking wall is extended, improves tundish casting sequence；
Impact zone volume can be expanded using M types slag blocking wall, be advantageous to foreign substance in molten steel floating and molten steel flow field it is uniform；
In addition to suitable for continuous casting production impact zone slag blocking wall, it can also be applied to the other gears for holding molten steel utensil of steel industry
Dam, there are wide market prospects.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the main structure diagram for the M type slag blocking walls that the utility model is used for continuous casting production；
Fig. 2 is the overlooking the structure diagram for the M type slag blocking walls that the utility model is used for continuous casting production；
Fig. 3 is the A-A cross section structure diagrams in Fig. 2；
Fig. 4 is the B-B cross section structure diagrams in Fig. 2；
Fig. 5 is the C-C cross section structure diagrams in Fig. 2；
Fig. 6 is that M type slag blocking walls for continuous casting production install schematic diagram；
Wherein：1st, upper steel spilling hole, 2, lower steel spilling hole, 3, hanger, 4, support bar groove, 5, side wall, 6, enhancement layer, 7, middle
Wall, 7-1, flat segments, 7-2, arch bridge section, 8, impact zone, 9, tundish, 10, the M type slag blocking walls for continuous casting production, 11, branch
Strut.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
Embodiment 1, referring to Fig. 1-Fig. 6, a kind of M types slag blocking wall 10 for continuous casting production, including middle walls 7 and be located at
The side wall 5 of the both sides of middle walls 7, side wall 5 are symmetrically laid in the both sides of middle walls 7, and middle walls 7 form interior arch towards impact zone 8, with
Middle walls 7 and 2 side walls 5 are made to form M type structures.Hanger 3, and 23 symmetrical cloth of hanger are equipped with the top of 2 side walls 5
If.Steel spilling hole 1 and lower steel spilling hole 2 are respectively equipped with the middle and lower part of 2 side walls 5；In the horizontal direction, upper steel spilling hole 1, underflow
The vertical direction of steel hole 2 and side wall 5 forms angle α, and α angles are 25 °；In the vertical direction, upper steel spilling hole 1 are vertical with side wall 5
Direction forms upward angle δ, and δ is 15 °, and the vertical direction of lower steel spilling hole 2 and side wall 5 forms upward angle ε, and ε angles are 13 °.
Support bar groove 4 is arranged with middle walls 7.In use, one end of support bar 11 is placed in support bar groove 4, support bar 11
The other end be connected with tundish 9, to fix M type slag blocking walls.
In the present embodiment, middle walls 7 include the arch bridge section 7-2 and flat segments 7-1 positioned at arch bridge section 7-2 both ends, arch bridge section
7-2 angle is γ, and γ is 50 °.Flat segments 7-1 is provided with circular arc b boss with the junction of side wall 5, and the radius of circular arc b boss is
40mm, the arc surface of circular arc b boss is towards impact zone；Flat segments 7-1 outside passes through circular arc e mistakes with arch bridge section 7-2 outside
Cross, circular arc e angles are 41 °, and circular arc e arc surface is backwards to impact zone；The inner edge of flat segments 7-1 inner edge and arch bridge section 7-2 leads to
Circular arc d transition is crossed, circular arc d angles are 50 °, and circular arc d arc surface is backwards to impact zone.Circular b boss passes through circular arc a with side wall 5
Transition, circular arc a angles are 62 °, and circular arc a arc surface is backwards to impact zone；Circular b boss passes through circular arc c transition, circle with flat segments
Arc c angles are 75 °, and circular arc c arc surface is backwards to impact zone.Side wall 5 and flat segments 7-2 angle is β, and β is 140 °.
, can be in middle walls 7 and side wall 5 towards impact zone in order to improve the intensity of slag blocking wall, corrosion resistance and abrasion resistance
The middle and upper part of side be provided with enhancement layer 6, enhancement layer 6 and flat segments 7-1 is by circular arc d transition, and circular arc d angles are 37 °, circular arc
D arc surface is backwards to impact zone.
In order to improve the intensity of whole device, middle walls 7 can be made, the vertical section of side wall 7 is right-angled trapezium, its right-angle side leans on
Nearly impact zone, its hypotenuse is away from impact zone, and included angle X=8 ° of hypotenuse and right-angle side.Middle walls 7 and side wall 5 can use corundum system
Into or refractory magnesia-alumina cast form.Upper steel spilling hole 1 is identical with the diameter of lower steel spilling hole 2；Upper steel spilling hole 1 and lower steel spilling hole 2
A diameter of 120mm.
Embodiment 2, with embodiment 1 except that：γ is 64 °, and the radius of circular arc b boss is 55mm, and circular arc e angles are
63 °, circular arc d angles are 36 °, and circular arc a angles are 71 °, and circular arc c angles are 55 °, and β is 154 °, and α angles are 17 °, and δ is 11 °, and ε is
19 ° of λ are 3 °, a diameter of 160mm of upper steel spilling hole and lower steel spilling hole.
Embodiment 3, with embodiment 1 except that：Circular arc a angles are 60 °, and the radius of circular arc b boss is 45mm, circular arc
C angles are 62 °, and circular arc d angles are 45 °, and circular arc e angles are 55 °, and γ is 55 °, and λ is 5 °, and α is 18 °, and δ is 12 °, and ε is 18 °,
A diameter of 135mm of upper steel spilling hole 1 and lower steel spilling hole 2.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (10)
- A kind of 1. M type slag blocking walls for continuous casting production, it is characterised in that：Including middle walls and positioned at the side of middle walls both sides Wall, middle walls form interior arch towards impact zone, and middle walls and 2 side walls form M type structures；Hanger is equipped with two side walls And steel spilling hole, middle walls are provided with support bar groove.
- 2. the M type slag blocking walls according to claim 1 for continuous casting production, it is characterised in that：The middle walls include Arch bridge section and the flat segments positioned at arch bridge section both ends, the angle of arch bridge section is γ, and γ is 45 ~ 65 °.
- 3. the M type slag blocking walls according to claim 2 for continuous casting production, it is characterised in that：Flat segments connect with side wall Meet place and be provided with circular arc b boss, the radius of circular arc b boss is 30-60mm, and the arc surface of circular arc b boss is towards impact zone；Flat segments The outside of outside and arch bridge section by circular arc e transition, circular arc e angles be 40 ~ 65 °, circular arc e arc surface is backwards to impact zone； For the inner edge of flat segments with the inner edge of arch bridge section by circular arc d transition, circular arc d angles are 30 ~ 50 °, and circular arc d arc surface is backwards to punching Hit area.
- 4. the M type slag blocking walls according to claim 3 for continuous casting production, it is characterised in that：Circular b boss and side wall By circular arc a transition, circular arc a angles are 50 ~ 75 °, and circular arc a arc surface is backwards to impact zone；Circular b boss passes through with flat segments Circular arc c transition, circular arc c angles are 55 ~ 75 °, and circular arc c arc surface is backwards to impact zone.
- 5. according to any described M type slag blocking walls for continuous casting production of claim 2-4, it is characterised in that：2 side walls pair Claim the both sides for being laid in middle walls；Side wall and the angle of flat segments are α, and α is 130 ~ 160 °.
- 6. according to any described M type slag blocking walls for continuous casting production of claim 2-4, it is characterised in that：In middle walls With side wall enhancement layer is provided with towards the middle and upper part of the side of impact zone.
- 7. the M type slag blocking walls according to claim 6 for continuous casting production, it is characterised in that：The enhancement layer is with putting down Straight section is 30 ~ 50 ° by circular arc d transition, circular arc d angles, and circular arc d arc surface is backwards to impact zone.
- 8. the M type slag blocking walls according to claim 1 for continuous casting production, it is characterised in that：The steel spilling hole is located at Side wall middle and lower part, it includes steel spilling hole and lower steel spilling hole.
- 9. the M type slag blocking walls according to claim 8 for continuous casting production, it is characterised in that：In the horizontal direction, on Steel spilling hole, lower steel spilling hole and side wall vertical direction form angle α, and α angles are 16 ~ 28 °；In the vertical direction, upper steel spilling hole and side Wall vertical direction forms upward angle δ, and δ is 8 ~ 16 °, and lower steel spilling hole and side wall vertical direction form upward angle ε, and ε angles are 13 ~ 20°。
- 10. the M type slag blocking walls according to claim 1 for continuous casting production, it is characterised in that：The middle walls, side The vertical section of wall is right-angled trapezium, and its right-angle side is close to impact zone, and its hypotenuse is away from impact zone, and the folder of hypotenuse and right-angle side Angle is λ, and λ is 3 ~ 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720502289.6U CN206794743U (en) | 2017-05-08 | 2017-05-08 | M type slag blocking walls for continuous casting production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720502289.6U CN206794743U (en) | 2017-05-08 | 2017-05-08 | M type slag blocking walls for continuous casting production |
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| CN206794743U true CN206794743U (en) | 2017-12-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865825A (en) * | 2019-04-24 | 2019-06-11 | 承德建龙特殊钢有限公司 | A kind of installation method of tundish slag wall |
| CN114433833A (en) * | 2021-12-27 | 2022-05-06 | 安徽长江钢铁股份有限公司 | Side-open-groove tundish slag retaining wall and setting method thereof |
-
2017
- 2017-05-08 CN CN201720502289.6U patent/CN206794743U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865825A (en) * | 2019-04-24 | 2019-06-11 | 承德建龙特殊钢有限公司 | A kind of installation method of tundish slag wall |
| CN109865825B (en) * | 2019-04-24 | 2021-07-02 | 承德建龙特殊钢有限公司 | Installation method of tundish slag blocking wall |
| CN114433833A (en) * | 2021-12-27 | 2022-05-06 | 安徽长江钢铁股份有限公司 | Side-open-groove tundish slag retaining wall and setting method thereof |
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