CN206702210U - A kind of multi-stage sealed formula long nozzle - Google Patents
A kind of multi-stage sealed formula long nozzle Download PDFInfo
- Publication number
- CN206702210U CN206702210U CN201720412487.3U CN201720412487U CN206702210U CN 206702210 U CN206702210 U CN 206702210U CN 201720412487 U CN201720412487 U CN 201720412487U CN 206702210 U CN206702210 U CN 206702210U
- Authority
- CN
- China
- Prior art keywords
- long nozzle
- ladle
- nozzle
- platform
- collector nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model discloses a kind of multi-stage sealed formula long nozzle, including long nozzle body, flow-guiding mouth and supporting collector nozzle of ladle, the end set of the long nozzle body has collector nozzle bowl, platform is provided with the collector nozzle bowl, the bottom of the supporting collector nozzle of ladle corresponds to the setting of collector nozzle bowl, through hole is correspondingly arranged on inside the long nozzle body and supporting collector nozzle of ladle, the flow-guiding mouth is arranged between long nozzle body and supporting collector nozzle of ladle, and it is connected with through hole, siphunculus is provided with the platform, the end of the siphunculus is connected with flow-guiding mouth.The multi-stage sealed formula long nozzle, it is simple in construction, the maximum pressure that mating surface can be born is substantially increased, reduces long water the rim of a bowl and supporting collector nozzle of ladle by the risk of pressure break, improves the sealing effectiveness in steel pouring process.
Description
Technical field
It the utility model is related to metallurgical casting technical field, more particularly to a kind of multi-stage sealed formula long nozzle.
Background technology
Long nozzle is one of continuous casting functional refractory, between ladle and tundish, protecting molten steel not by secondary
Oxidation.The quality of long nozzle sealing directly affects the quality for the molten steel for injecting tundish.With the hair of high purity steel technology
Exhibition, requirement more and more higher of the iron and steel enterprise to continuous casting working procedure steel quality.Long nozzle of the prior art easily causes long nozzle
The oxygen uptake by pressure break of bowl portion, meanwhile, molten steel by long nozzle inner chamber during constantly impact long nozzle inwall, cause long nozzle
Body rocks and causes bowl portion poorly sealed, easily causes molten steel nitrogen pick-up and secondary oxidation.
Utility model content
The purpose of this utility model is and a kind of multi-stage sealed formula proposed in order to solve shortcoming present in prior art
Long nozzle.
To achieve these goals, the utility model employs following technical scheme：
A kind of multi-stage sealed formula long nozzle, including long nozzle body, flow-guiding mouth and supporting collector nozzle of ladle, the long nozzle
The end set of body has collector nozzle bowl, and platform, the bottom pair of the supporting collector nozzle of ladle are provided with the collector nozzle bowl
Answer collector nozzle bowl to set, be correspondingly arranged on through hole inside the long nozzle body and supporting collector nozzle of ladle, the flow-guiding mouth is set
Put between long nozzle body and supporting collector nozzle of ladle, and be connected with through hole, siphunculus is provided with the platform, it is described
The end of siphunculus is connected with flow-guiding mouth.
Preferably, the platform is provided with two-stage, and the end of the siphunculus and the platform of highest point are connected.Collector nozzle
Bowl is more firm by connecting cooperation between platform and supporting collector nozzle of ladle, and improves supporting collector nozzle of ladle and long nozzle sheet
The sealing of body connection.
Preferably, the collector nozzle bowl corresponds to platform and is provided with groove, and the periphery of the groove is set in arcuation.Supporting steel
The molten steel that bag collector nozzle inner via hole flows into is flowed into long nozzle body by groove, and groove buffers balanced, raising molten steel to molten steel
The stability flowed in long nozzle body.
Preferably, the outside of the long nozzle body is provided with iron-clad, and the end of the long nozzle body and iron-clad is in incline
It is ramp-like to be closely connected with supporting collector nozzle of ladle.Improve sealing and the connection that long nozzle body is connected with supporting collector nozzle of ladle
Fastness.
Preferably, the intrinsic through-hole diameter of the long nozzle is more than the through-hole diameter inside supporting collector nozzle of ladle.Just
Flowed into the molten steel in supporting collector nozzle of ladle in long nozzle body, avoiding the molten steel in supporting collector nozzle of ladle from accumulating causes to match somebody with somebody
Cover collector nozzle of ladle internal rupture.
Preferably, the end of the platform is provided with extension platform, and the inside diameter for extending platform is less than long nozzle
The diameter of body interior through hole.The sealing being connected in supporting collector nozzle of ladle with long nozzle body is improved by extending platform,
Avoid the molten steel pressure in supporting collector nozzle of ladle excessive and overflow supporting collector nozzle of ladle and long nozzle body junction.
Preferably, the siphunculus is arranged on long nozzle body interior in bending-like.Molten steel of the siphunculus by overflow on platform
Accept and flow into groove, avoid molten steel overflow.
In the utility model, by the platform pair in the end of supporting collector nozzle of ladle and long nozzle body end collector nozzle bowl
It should connect, iron-clad is fixed to supporting collector nozzle of ladle and the sealing of long nozzle body junction, improves supporting collector nozzle of ladle and length
The stationarity of mouth of a river body connection, molten steel are entered in groove by the through hole in supporting collector nozzle of ladle, are entered by groove and grown
In the intrinsic through hole in the mouth of a river, and entered by the intrinsic through hole of long nozzle in crystallizer, the platform on collector nozzle bowl avoids
Molten steel of the overflow on platform is accepted and flowed into groove by the molten steel overflow in through hole, siphunculus, avoids the molten steel overflow director mouth of a river
Body.The multi-stage sealed formula long nozzle, it is simple in construction, the maximum pressure that mating surface can be born is substantially increased, reduces long water
The rim of a bowl and supporting collector nozzle of ladle improve the sealing effectiveness in steel pouring process by the risk of pressure break.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of multi-stage sealed formula long nozzle structural representation；
Fig. 2 be the utility model proposes a kind of multi-stage sealed formula long nozzle configuration schematic diagram；
Fig. 3 be the utility model proposes a kind of multi-stage sealed formula long nozzle long nozzle body overlooking the structure diagram.
In figure：1 long nozzle body；11 collector nozzle bowls；12 platforms；121 extend platform；122 grooves；13 siphunculus；14 iron-clads；
2 flow-guiding mouths；21 through holes；3 supporting collector nozzle of ladle.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-3, a kind of multi-stage sealed formula long nozzle, including water under long nozzle body 1, flow-guiding mouth 2 and supporting ladle
Mouth 3, the end set of the long nozzle body 1 has collector nozzle bowl 11, and platform 12 is provided with the collector nozzle bowl 11, described flat
Platform 12 is provided with two-stage, and the end of the siphunculus 13 and the platform 12 of highest point are connected.Collector nozzle bowl 11 passes through platform 12
It is more firm that cooperation is connected between supporting collector nozzle of ladle 3, and improves supporting collector nozzle of ladle 3 and is connected with long nozzle body 1
Sealing.The end of the platform 12, which is provided with, extends platform 121, and the inside diameter for extending platform 121 is less than long water
The diameter of the mouth interior bone 21 of body 1.Improved in supporting collector nozzle of ladle 3 by extending platform 121 and be connected with long nozzle body 1
Sealing, avoid the molten steel pressure in supporting collector nozzle of ladle 3 excessive and overflow supporting collector nozzle of ladle 3 and long nozzle body
1 junction.The bottom of the supporting collector nozzle of ladle 3 corresponds to collector nozzle bowl 11 and set, the outside setting of the long nozzle body 1
There is iron-clad 14, the end of the long nozzle body 1 and iron-clad 14 is obliquely closely connected with supporting collector nozzle of ladle 3.Improve
Long nozzle body 1 and the sealing that supporting collector nozzle of ladle 3 is connected and the fastness being connected.The 11 corresponding platform of collector nozzle bowl
12 are provided with groove 122, and the periphery of the groove 122 is set in arcuation.The molten steel that the supporting inner via hole 21 of collector nozzle of ladle 3 flows into
Flowed into by groove 122 in long nozzle body 1, groove 122 buffers equilibrium to molten steel, improves molten steel and is flowed in long nozzle body 1
Dynamic stability.Through hole 21 is correspondingly arranged on inside the long nozzle body 1 and supporting collector nozzle of ladle 3, the flow-guiding mouth 2 is set
Put between long nozzle body 1 and supporting collector nozzle of ladle 3, and be connected with through hole 21, it is logical in the long nozzle body 1
The diameter of hole 21 is more than the diameter of through hole 21 inside supporting collector nozzle of ladle 3.It is easy to the molten steel in supporting collector nozzle of ladle 3 to flow into length
In mouth of a river body 1, avoiding the molten steel in supporting collector nozzle of ladle 3 from accumulating causes the supporting internal rupture of collector nozzle of ladle 3.It is described flat
Siphunculus 13 is provided with platform 12, end and the flow-guiding mouth 2 of the siphunculus 13 are connected.The siphunculus 13 is arranged in bending-like
Inside long nozzle body 1.Molten steel of the overflow on platform 12 is accepted and flowed into groove 122 by siphunculus 13, avoids molten steel overflow.
, will be flat in the end of supporting collector nozzle of ladle 3 and the end collector nozzle bowl 11 of long nozzle body 1 in the utility model
Platform 12 is corresponding to be connected, and iron-clad 14 is fixed to supporting collector nozzle of ladle 3 and the sealing of the junction of long nozzle body 1, improves supporting ladle
The stationarity that collector nozzle 3 is connected with long nozzle body 1, molten steel enter groove 122 by the through hole 21 in supporting collector nozzle of ladle 3
It is interior, entered by groove 122 in the through hole 21 in long nozzle body 1, and crystallization is entered by the through hole 21 in long nozzle body 1
In device, the platform 12 on collector nozzle bowl 11 avoids the molten steel overflow in through hole 21, molten steel of the siphunculus 13 by overflow on platform 12
Accept and flow into groove 122, avoid molten steel overflow from going out long nozzle body 1.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (7)
1. a kind of multi-stage sealed formula long nozzle, including long nozzle body（1）, flow-guiding mouth（2）With supporting collector nozzle of ladle（3）, its
It is characterised by, the long nozzle body（1）End set have collector nozzle bowl（11）, the collector nozzle bowl（11）Inside it is provided with flat
Platform（12）, the supporting collector nozzle of ladle（3）Bottom correspond to collector nozzle bowl（11）Set, the long nozzle body（1）With with
Cover collector nozzle of ladle（3）Inside is correspondingly arranged on through hole（21）, the flow-guiding mouth（2）It is arranged on long nozzle body（1）With it is supporting
Collector nozzle of ladle（3）Between, and and through hole（21）It is connected, the platform（12）On be provided with siphunculus（13）, the siphunculus
（13）End and flow-guiding mouth（2）It is connected.
A kind of 2. multi-stage sealed formula long nozzle according to claim 1, it is characterised in that the platform（12）It is provided with two
Level, the siphunculus（13）End and highest point platform（12）It is connected.
A kind of 3. multi-stage sealed formula long nozzle according to claim 1, it is characterised in that the collector nozzle bowl（11）It is corresponding
Platform（12）It is provided with groove（122）, the groove（122）Periphery in arcuation set.
A kind of 4. multi-stage sealed formula long nozzle according to claim 1, it is characterised in that the long nozzle body（1）'s
Outside is provided with iron-clad（14）, the long nozzle body（1）And iron-clad（14）End obliquely with supporting collector nozzle of ladle
（3）Close connection.
A kind of 5. multi-stage sealed formula long nozzle according to claim 1, it is characterised in that the long nozzle body（1）It is interior
Through hole（21）Diameter is more than supporting collector nozzle of ladle（3）Internal through hole（21）Diameter.
A kind of 6. multi-stage sealed formula long nozzle according to claim 1, it is characterised in that the platform（12）End set
It is equipped with extension platform（121）, the extension platform（121）Inside diameter be less than long nozzle body（1）Interior bone（21）'s
Diameter.
A kind of 7. multi-stage sealed formula long nozzle according to claim 1, it is characterised in that the siphunculus（13）In bending-like
It is arranged on long nozzle body（1）It is internal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412487.3U CN206702210U (en) | 2017-04-19 | 2017-04-19 | A kind of multi-stage sealed formula long nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412487.3U CN206702210U (en) | 2017-04-19 | 2017-04-19 | A kind of multi-stage sealed formula long nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206702210U true CN206702210U (en) | 2017-12-05 |
Family
ID=60456343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720412487.3U Expired - Fee Related CN206702210U (en) | 2017-04-19 | 2017-04-19 | A kind of multi-stage sealed formula long nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206702210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983943A (en) * | 2017-12-07 | 2018-05-04 | 安徽工业大学 | A kind of system and method for improving tundish Cleanliness of Molten Steel under unstable state state |
-
2017
- 2017-04-19 CN CN201720412487.3U patent/CN206702210U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983943A (en) * | 2017-12-07 | 2018-05-04 | 安徽工业大学 | A kind of system and method for improving tundish Cleanliness of Molten Steel under unstable state state |
| CN107983943B (en) * | 2017-12-07 | 2019-07-05 | 安徽工业大学 | A kind of system and method improving tundish Cleanliness of Molten Steel under unstable state state |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 |