CN209681151U - It is a kind of can uniformly Argon long nozzle structure - Google Patents
It is a kind of can uniformly Argon long nozzle structure Download PDFInfo
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- CN209681151U CN209681151U CN201920128543.XU CN201920128543U CN209681151U CN 209681151 U CN209681151 U CN 209681151U CN 201920128543 U CN201920128543 U CN 201920128543U CN 209681151 U CN209681151 U CN 209681151U
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- argon
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- shell body
- bowl portion
- long nozzle
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Abstract
The utility model relates to it is a kind of can uniform Argon long nozzle structure, belong to steelmaking equipment technical field, including ontology, the top of ontology is equipped with bowl portion, bowl offers inner cavity in the middle part of portion, bowl portion is provided with slag line close to the outer surface of its bottom end, bowl portion is socketed with argon-blowing device close to the outer surface on its top, argon-blowing device includes residual shell body, the quantity of residual shell body is two, and the end of two residual shell bodies is clamping, the inner surface of residual shell body offers residual ring-shaped ventilation road, offers air channel at the top of residual ring-shaped ventilation road；The utility model is used cooperatively by above-mentioned dependency structure, this argon gas-sealed mode biggest advantage is can be uniformly distributed argon gas when long nozzle steel -passing amount is larger to come, keep sealing effect more preferably excellent, and such sealing means effectively alleviate argon gas to be assembled in Argon mouth side, cause " collaborating ", so as to cause the generation of long water gap bowl part perforation accident, it can be widely popularized and produce.
Description
Technical field
The utility model relates to it is a kind of can uniform Argon long nozzle structure, belong to steelmaking equipment technical field.
Background technique
Long nozzle is between ladle and tundish, and the bowl portion of long nozzle upper end is connected with collector nozzle of ladle, the slag of lower end
Line position is inserted into tundish impact area, is played water conservancy diversion molten steel, is prevented molten steel from splashing, the purpose of anti-molten steel oxygenation nitrogen pick-up.Mesh
Preceding major part long nozzle can install an Argon mouth on the outside of bowl portion to be played the role of sealing, is prevented by Argon mouth blowing argon gas
Air generates negative pressure under the molten steel effect of flowing and is brought into molten steel, causes molten steel oxygenation nitrogen pick-up.
Current long nozzle argon blowing seal mode is and whole iron-clad bottom mainly in one layer of iron-clad of long water gap bowl part outer sheath
It is molded into tool groove at regular intervals at rough shape or in long water gap bowl part bottom, so that iron-clad bottom and length
There is a lamellar spacing between water gap bowl portion bottom, argon gas realizes sealing by the gap, but iron-clad is covering on long water gap bowl part
Shi Huiyong chamotte is filled fixation, since Argon mouth is welded on the outside of iron-clad, is blocked there are argon gas by chamotte or cannot be uniform
Distribution, leads to the situation of long nozzle argon Feng Buyan, if long nozzle steel -passing amount is bigger, and argon gas cannot be uniformly distributed,
It flocks together, it is more likely that cause argon gas stream to enter on the inside of long water gap bowl part from certain side, and under the disturbance of molten steel, formed
Turbulent flow, it is continuous that molten steel is accelerated to wash away certain side abnormalities on the inside of long water gap bowl part, easily cause long nozzle at bowl portion
The accident of perforation.
Utility model content
The technical problems to be solved in the utility model overcomes existing defect, provide it is a kind of can uniform Argon long nozzle knot
Structure, when can effectively solve that long nozzle steel -passing amount is bigger in background technique, argon gas cannot be uniformly distributed, and form turbulent flow,
It is continuous that molten steel is accelerated to wash away certain side abnormalities on the inside of long water gap bowl part, easily cause long nozzle to be perforated at bowl portion thing
Therefore problem.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
It is a kind of can uniform Argon long nozzle structure, the top of including ontology, the ontology is equipped with bowl portion, the bowl portion
Middle part offers inner cavity, and the bowl portion is provided with slag line, appearance of the bowl portion close to its top close to the outer surface of its bottom end
Surface cover is connected to argon-blowing device.
The argon-blowing device includes residual shell body, and the quantity of the residual shell body is two, and the end of two residual shell bodies is card
It connects, the inner surface of the residual shell body offers residual ring-shaped ventilation road, offers air channel at the top of the residual ring-shaped ventilation road, institute
The outer surface for stating residual shell body is fixedly connected with Argon mouth, the end of the Argon mouth through the residual ring-shaped ventilation road and with it is described
Air channel is connected.
Furthermore, two residual shell bodies are axis in symmetric arrays using the vertical centerline of bowl portion upper surface.
Furthermore, the end of a residual shell body is fixedly connected with fixture block, the end of another residual shell body
Offer card slot, the inner surface clamping of the outer surface of the fixture block and the card slot.
Furthermore, a residual ring-shaped ventilation road is arranged close to the outer surface of its end in circular platform type, and one
The residual ring-shaped ventilation road is close to the outer surface of its end and the inner surface grafting in another residual ring-shaped ventilation road.
Furthermore, a residual ring-shaped ventilation road is fixedly connected with rubber layer close to the outer surface of its end.
Furthermore, the quantity of the air channel is no less than two, the angle of the air channel and bowl portion bottom surface
From 0 ° -90 °, the shape of the air channel is circle；And the air channel aperture is less than long water gap bowl bottom side wall thickness.
The utility model is the utility model has the advantages that the utility model passes through equipped with the dependency structures such as ontology, bowl portion and inner cavity, this argon gas
Sealing means biggest advantage is can be uniformly distributed argon gas when long nozzle steel -passing amount is larger to come, and makes sealing effect more
It is good excellent, and such sealing means effectively alleviate argon gas and assemble in Argon mouth side, cause " collaborating ", so as to cause long water
The generation of mouth bowl portion perforation accident, can be widely popularized and produce.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
Fig. 1 is the partial sectional view of the utility model ontology front view；
Fig. 2 is the partial sectional view of top view before the utility model residual shell body is clamped；
Fig. 3 is the partial sectional view of top view after the clamping of the utility model residual shell body；
Fig. 4 is enlarged drawing at A in the utility model Fig. 3.
Figure label: 1, ontology；2, bowl portion；3, inner cavity；4, slag line；5, residual shell body；6, residual ring-shaped ventilation road；7, it ventilates
Slot；8, Argon mouth；9, fixture block；10, card slot；11, rubber layer.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figs 1-4, it is a kind of can uniform Argon long nozzle structure, the top of including ontology 1, ontology 1 is equipped with bowl portion
2, the middle part in bowl portion 2 offers inner cavity 3, and bowl portion 2 is provided with slag line 4 close to the outer surface of its bottom end, and bowl portion 2 is close to its top
Outer surface is socketed with argon-blowing device.
Argon-blowing device includes residual shell body 5, and the quantity of residual shell body 5 is two, and two residual shell bodies 5 are with the perpendicular of 2 upper surface of bowl portion
Straight center line is axis in symmetric arrays, and the end of two residual shell bodies 5 is clamping, and the inner surface of residual shell body 5 offers residual annular
Air passage 6, the top in residual ring-shaped ventilation road 6 offer air channel 7, and the quantity of air channel 7 is no less than two, air channel 7 and bowl
The angle of 2 bottom surface of portion is 0 ° -90 °, and the shape of air channel 7 is circle；And 7 aperture of air channel is less than long water gap bowl bottom side wall thickness
Degree, the outer surface of residual shell body 5 are fixedly connected with Argon mouth 8, the end of Argon mouth 8 through residual ring-shaped ventilation road 6 and with air channel 7
It is connected, 2 middle of bowl portion is equipped with residual ring-shaped ventilation road 6, and two residual ring-shaped ventilation roads 6 form entire air passage and and Argon
Mouth 8 is connected, and offers several longitudinal air channel 7 in 2 bottom of bowl portion, and air channel 7 is connected with residual ring-shaped ventilation road 6.In
During long nozzle argon envelope, argon gas is entered in residual ring-shaped ventilation road 6 by Argon mouth 8, and then argon gas passes through residual ring-shaped ventilation
Road 6 enters in air channel 7, and distributes from air channel 7, and one layer is formed between bowl portion 2 and collector nozzle of ladle uniformly
The argon gas curtain of distribution effectively prevents outside air to form negative pressure under the action of flowing molten steel and be brought into molten steel and causes steel
Water oxygenation nitrogen pick-up, this argon gas-sealed mode biggest advantage are can be uniformly distributed argon gas when long nozzle steel -passing amount is larger
It comes, keeps sealing effect more preferably excellent, and such sealing means effectively alleviate argon gas and assemble in 8 side of Argon mouth, cause
" collaborating ", so as to cause the generation of the perforation of bowl portion 2 accident, a residual ring-shaped ventilation road 6 is in rotary table close to the outer surface of its end
Type setting, and a residual ring-shaped ventilation road 6 is inserted close to the outer surface of its end and the inner surface in another residual ring-shaped ventilation road 6
Connect, the end of a residual shell body 5 is fixedly connected with fixture block 9, and the end of another residual shell body 5 offers card slot 10, fixture block 9 it is outer
The inner surface of surface and card slot 10 is clamped, and a residual ring-shaped ventilation road 6 is fixedly connected with rubber layer close to the outer surface of its end
11, meanwhile, by the setting of 5 fixture block 9 and card slot 10 of residual shell body, entire air passage is allowed to split into two residual ring-shaped ventilation roads
6, in this way, the utility model is using, easily facilitating the later period repairs and checks to air passage, and a residual annular is logical
The end in the end of air flue 6 and another residual ring-shaped ventilation road 6 passes through the grafting of rubber layer 11, so that residual ring-shaped ventilation road 6
Sealing effect is more preferable.
Utility model works principle: the utility model is made by the cooperation after the associated sections such as ontology 1, bowl portion 2 and inner cavity 3
Be equipped with residual ring-shaped ventilation road 6 with, 2 middle of bowl portion, two residual ring-shaped ventilation roads 6 formed entire air passage and with 8 phase of Argon mouth
Connection, and several longitudinal air channel 7 is offered in 2 bottom of bowl portion, air channel 7 is connected with residual ring-shaped ventilation road 6, in long nozzle
During argon envelope, argon gas is entered in residual ring-shaped ventilation road 6 by Argon mouth 8, and then argon gas is entered by residual ring-shaped ventilation road 6
It is distributed into air channel 7, and from air channel 7, forms one layer of equally distributed argon between bowl portion 2 and collector nozzle of ladle
Air curtain, effectively prevent outside air formed under the action of flowing molten steel negative pressure be brought into molten steel cause molten steel oxygenation increase
Nitrogen, this argon gas-sealed mode biggest advantage are can be uniformly distributed argon gas when long nozzle steel -passing amount is larger to come, and are made
Sealing effect is more preferably excellent, and such sealing means effectively alleviate argon gas and assemble in 8 side of Argon mouth, cause " collaborating ",
So as to cause the generation of the perforation of bowl portion 2 accident, meanwhile, by the setting of 5 fixture block 9 and card slot 10 of residual shell body, so that entire ventilation
Road can split into two residual ring-shaped ventilation roads 6, in this way, the utility model is using, easily facilitate the later period to air passage into
Row maintenance and inspection, and the end in the end in a residual ring-shaped ventilation road 6 and another residual ring-shaped ventilation road 6 passes through rubber layer 11
Grafting can be widely popularized and produce so that the sealing effect in residual ring-shaped ventilation road 6 is more preferable and easy to operate.
The above are the preferable embodiment of the utility model, the utility model those skilled in the art can also be to upper
It states embodiment to change and modify, therefore, the utility model is not limited to above-mentioned specific embodiment, all abilities
Field technique personnel made any conspicuous improvement, replacement or modification on the basis of the utility model belong to practical
Novel protection scope.
Claims (6)
1. one kind can uniform Argon long nozzle structure, the top of including ontology (1), the ontology (1) is equipped with bowl portion (2), institute
It states and is offered in the middle part of a bowl portion (2) inner cavity (3), the bowl portion (2) is provided with slag line (4) close to the outer surface of its bottom end, special
Sign is: the bowl portion (2) is socketed with argon-blowing device close to the outer surface on its top；
The argon-blowing device includes residual shell body (5), and the quantity of the residual shell body (5) is two, and the end of two residual shell bodies (5)
For clamping, the inner surface of the residual shell body (5) offers residual ring-shaped ventilation road (6), opens at the top of the residual ring-shaped ventilation road (6)
Equipped with air channel (7), the outer surface of the residual shell body (5) is fixedly connected with Argon mouth (8), and the end of the Argon mouth (8) is passed through
It wears the residual ring-shaped ventilation road (6) and is connected with the air channel (7).
2. one kind according to claim 1 can uniformly Argon long nozzle structure, it is characterised in that: two residual shell bodies
It (5) is axis in symmetric arrays using the vertical centerline of bowl portion (2) upper surface.
3. one kind according to claim 1 can uniformly Argon long nozzle structure, it is characterised in that: a residual shell body
(5) end is fixedly connected with fixture block (9), and the end of another residual shell body (5) offers card slot (10), the fixture block
(9) inner surface of outer surface and the card slot (10) is clamped.
4. one kind according to claim 1 can uniformly Argon long nozzle structure, it is characterised in that: a residual annular
Air passage (6) is arranged close to the outer surface of its end in circular platform type, and a residual ring-shaped ventilation road (6) is close to its end
The inner surface grafting of outer surface and another residual ring-shaped ventilation road (6).
5. one kind according to claim 1 can uniformly Argon long nozzle structure, it is characterised in that: a residual annular
Air passage (6) is fixedly connected with rubber layer (11) close to the outer surface of its end.
6. one kind according to claim 1 can uniformly Argon long nozzle structure, it is characterised in that: the air channel (7)
Quantity be no less than two, the angle of the air channel (7) and bowl portion (2) bottom surface is 0 ° -90 °, the air channel (7)
Shape is circle；And air channel (7) aperture is less than long water gap bowl bottom side wall thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920128543.XU CN209681151U (en) | 2019-01-24 | 2019-01-24 | It is a kind of can uniformly Argon long nozzle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920128543.XU CN209681151U (en) | 2019-01-24 | 2019-01-24 | It is a kind of can uniformly Argon long nozzle structure |
Publications (1)
| Publication Number | Publication Date |
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| CN209681151U true CN209681151U (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920128543.XU Active CN209681151U (en) | 2019-01-24 | 2019-01-24 | It is a kind of can uniformly Argon long nozzle structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822691A (en) * | 2020-08-27 | 2020-10-27 | 北京利尔高温材料股份有限公司 | Quick-change surface long nozzle with gas sealing structure and preparation method thereof |
-
2019
- 2019-01-24 CN CN201920128543.XU patent/CN209681151U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822691A (en) * | 2020-08-27 | 2020-10-27 | 北京利尔高温材料股份有限公司 | Quick-change surface long nozzle with gas sealing structure and preparation method thereof |
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