CN207547621U - Four side opening long-life immersion type outlets of square base - Google Patents
Four side opening long-life immersion type outlets of square base Download PDFInfo
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- CN207547621U CN207547621U CN201721734999.8U CN201721734999U CN207547621U CN 207547621 U CN207547621 U CN 207547621U CN 201721734999 U CN201721734999 U CN 201721734999U CN 207547621 U CN207547621 U CN 207547621U
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Abstract
The utility model discloses four side opening long-life immersion type outlets of square base,Including mouth of a river ontology,Mouth of a river outer wall is provided on the outside of the mouth of a river ontology,And mouth of a river inner wall is provided on the inside of the ontology of the mouth of a river,Locking boss is offered on the appearance wall on the mouth of a river outer wall top,The middle position of pars intramuralis is provided with molten steel flow channel in the mouth of a river,And the inner wall both sides of molten steel flow channel are waveform setting,Insulating layer is provided between the molten steel flow channel and mouth of a river inner wall,The utility model is provided with corrugated molten steel flow channel,Realize that the surface velocity of liquid level in crystallizer is big,And liquid fluctuating is small,Be conducive to Mold flow field and improve conduct heat,Reduce the residence time of molten steel simultaneously,Prevent molten steel from blocking,Improve the quality of steel billet,There is provided locking boss,Realize that submersed nozzle installing and dismounting is more convenient,Operation is easy,The labor intensity of worker greatly reduces,Improve work task efficiency.
Description
Technical field
The utility model belongs to square base casting technology field, and in particular to four side opening long-life immersion type outlets of square base.
Background technology
Submersed nozzle is that tundish bottom is mounted in continuous casting equipment and is inserted into pouring below crystallizer molten steel surface
Note refractory sleeve, its major function are to prevent the secondary oxidation of pans beam and molten steel from splashing；Crystallizer is avoided to protect
Slag is involved in molten steel；Improve flow regime and heat flux distribution of the beam in crystallizer, and thereby promote the equal of green shell in crystallizer
Even growth is conducive to the exclusion of gas and field trash in steel.
In the Chinese patent for being CN205996189U in the patent No., a kind of improved continuous casting immersion outlet is improved, is led to
The setting of stepped construction is crossed, realizes that inner wall is not easy to accumulate field trash, improves the stifled flow phenomenon of continuous casting process, improve continuous casting
The operating rate of machine, but the junction of stepped construction is not smooth enough, it is impossible to ensure that molten steel stablizes outflow, and is easy to cause molten steel
It saves bit by bit in junction, causes the molten steel wasting of resources, in addition submersed nozzle installing and dismounting is inconvenient, cumbersome, increases worker's
Labor intensity reduces work task efficiency.
Utility model content
The purpose of this utility model is to provide four side opening long-life immersion type outlets of square base, to solve above-mentioned background skill
The junction of the stepped construction proposed in art is not smooth enough, it is impossible to ensure that molten steel stablizes outflow, and is easy to cause molten steel and saves bit by bit
In junction, the molten steel wasting of resources is caused, in addition submersed nozzle installing and dismounting is inconvenient, cumbersome, increases the labour of worker
The problem of intensity, reduction work task efficiency.
To achieve the above object, the utility model provides following technical solution：Four side opening long-life immersion water of square base
Mouthful, including mouth of a river ontology, mouth of a river outer wall is provided on the outside of the mouth of a river ontology, and be provided in the mouth of a river on the inside of the ontology of the mouth of a river
Wall, offers locking boss on the appearance wall on the mouth of a river outer wall top, the middle position setting of pars intramuralis in the mouth of a river
There is molten steel flow channel, and the inner wall both sides of molten steel flow channel are waveform setting, are set between the molten steel flow channel and mouth of a river inner wall
There is insulating layer.
Preferably, the top of the mouth of a river outer wall is equipped with a bowl portion, and is set at bowl portion and the link position of mouth of a river outer wall
There is the rim of a bowl.
Preferably, the top in the bowl portion is equipped with slide plate, and the cross sectional shape of slide plate and the cross sectional shape phase in bowl portion
Match.
Preferably, the length of the locking boss is 1/5th of mouth of a river peripheral wall length, and lock the appearance wall of boss
On offer the external screw thread to match with the internal thread opened up in external equipment fixing groove.
Preferably, the bottom circular array of the molten steel flow channel offer the first side port, the second side port, third side port and
4th side port, and the first side port, the second side port, third side port and the angle of inclination of the 4th side port and molten steel flow channel are 25 °.
Preferably, the inner wall both sides of first side port, the second side port, third side port and the 4th side port are symmetrically arranged with
First longitudinal direction inner wall and second longitudinal direction inner wall, and first longitudinal direction inner wall and second longitudinal direction inner wall are tangent with molten steel flow channel.
Compared with prior art, the beneficial effects of the utility model are：
(1) the utility model is provided with corrugated molten steel flow channel, during continuous casting, worker can by molten steel by bowl portion inside
The rim of a bowl injection, the molten steel of injection flowed into molten steel flow channel, and molten steel flows downward along molten steel flow channel, in flow process, wave
The molten steel flow channel of shape changes the fluidised form and flow velocity of molten steel, realizes inclusion particle and bubble floating, and then realize liquid in crystallizer
The surface velocity in face is big, and liquid fluctuating is small, is conducive to Mold flow field and improves conduct heat, while reduce molten steel
Residence time, the effective molten steel that reduces block, stablize flow field of molten steel, improve the quality of steel billet.
(2) the utility model is provided with locking boss, in use, mouth of a river ontology is first inserted into crystallizer by worker, and revolves
Water wring mouth ontology, by locking the internal thread in the external screw thread set on boss and crystallizer mounting groove by mouth of a river ontology and crystallization
Device screws fixation, realizes that submersed nozzle installing and dismounting is easy, convenient for operation, the labour that worker greatly reduces is strong
Degree, improves work task efficiency.
In conclusion the utility model is stablized with molten steel flow, do not block, and installing and dismounting facilitates, working efficiency is high
The characteristics of, square base casting technology field is particularly suitable for, realizes steel billet stability and high efficiency continuous casting.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the side sectional view of the utility model；
Fig. 3 is the outside drawing of the utility model；
Fig. 4 is the bottom view of the utility model；
In figure：1- mouths of a river ontology；2- mouths of a river outer wall；3- mouths of a river inner wall；4- molten steel flow channels；The first side ports of 5-；6- the second sides
Mouthful；7- insulating layers；8- the rims of a bowl；9- bowls portion；10- slide plates；11- third side ports；The 4th side ports of 12-；13- locks boss；14- first
Longitudinal inner wall；15- second longitudinal direction inner walls.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：Four side opening long-life immersion type outlets of square base,
Including mouth of a river ontology 1, in order to realize that mouth of a river ontology 1 is rational in infrastructure, and simplicity is mounted and dismounted, convenient for operation, mouth of a river sheet
The outside of body 1 is provided with mouth of a river outer wall 2, and the inside of mouth of a river ontology 1 is provided with mouth of a river inner wall 3, the appearance on 2 top of mouth of a river outer wall
It is offered on wall and locks boss 13, the middle position inside mouth of a river inner wall 3 is provided with molten steel flow channel 4, and molten steel flow channel 4 is interior
Wall both sides are waveform setting, can change the fluidised form and flow velocity of molten steel using corrugated molten steel flow channel 4, reduce molten steel
Residence time reduces and blocks, insulating layer 7 is provided between molten steel flow channel 4 and mouth of a river inner wall 3.
Further, the top of mouth of a river outer wall 2 is equipped with bowl portion 9, and is set at bowl portion 9 and the link position of mouth of a river outer wall 2
The rim of a bowl 8 is equipped with, can be easily facilitated in molten steel injection molten steel flow channel 4 using the rim of a bowl 8, mouth of a river sheet is overflowed during preventing molten steel from injecting
Body 1.
Specifically, the top in bowl portion 9 is equipped with slide plate 10, and the cross sectional shape of slide plate 10 and the cross sectional shape phase in bowl portion 9
Matching by being equipped with for slide plate 10 and bowl portion 9, can realize that mouth of a river ontology 1 is rational in infrastructure, work convenient for mouth of a river ontology 1.
What deserves to be explained is the length of locking boss 13 is 1/5th of 2 length of mouth of a river outer wall, and lock boss 13
The external screw thread to match with the internal thread opened up in external equipment fixing groove is offered on appearance wall, is opened on boss 13 using locking
If external screw thread can realize mouth of a river ontology 1 be inserted into crystallizer after, be tightened convenient for mouth of a river ontology 1, convenient for mouth of a river ontology 1
Installing and dismounting.
Further, the bottom circular array of molten steel flow channel 4 offers the first side port 5, the second side port 6, third side port
11 and the 4th side port 12, and the first side port 5, the second side port 6,11 and the 4th side port 12 of third side port and the inclination of molten steel flow channel 4
Angle is 25 °, the setting that the inclination angle by the first side port 5, the second side port 6,11 and the 4th side port 12 of third side port is 25 °,
It can realize that the surface velocity of liquid level in crystallizer is big, and liquid fluctuating is small, while be conducive to Mold flow field and change
Kind heat transfer.
What deserves to be explained is the first side port 5, the second side port 6, the inner wall both sides of 11 and the 4th side port 12 of third side port are right
Title is provided with first longitudinal direction inner wall 14 and second longitudinal direction inner wall 15, and first longitudinal direction inner wall 14 and second longitudinal direction inner wall 15 are and steel
Liquid stream road 4 is tangent, by the setting tangent with molten steel flow channel 4 of first longitudinal direction inner wall 14 and second longitudinal direction inner wall 15, realizes the
One side port 5, the second side port 6,11 and the 4th side port 12 of third side port are connect with molten steel flow channel 4 more smoothly, in order to which molten steel is put down
Current stabilization goes out, and reduces molten steel and blocks.
Operation principle：When in use, mouth of a river ontology 1 is first inserted into crystallizer the utility model by worker, and screws the mouth of a river
Ontology 1, by locking the internal thread in the external screw thread set on boss 13 and crystallizer mounting groove by mouth of a river ontology 1 and crystallizer
Fixation is screwed, then worker is injected molten steel by the rim of a bowl 8 inside bowl portion 9, and the molten steel of injection is flowed into molten steel flow channel 4, molten steel
It flows downward along molten steel flow channel 4, in flow process, corrugated molten steel flow channel 4 changes the fluidised form and flow velocity of molten steel, realizes folder
Inclusion particles and bubble floating stablize flow field of molten steel, and last molten steel is respectively by the first side port 5, the second side port 6, third side port 11
It is flowed out with the channel formed in the 4th side port 12 by first longitudinal direction inner wall 14 and second longitudinal direction inner wall 15 and forms steel billet, it is reciprocal with this
Realize the continuously casting of steel billet.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. four side opening long-life immersion type outlets of square base, including mouth of a river ontology (1), it is characterised in that：The mouth of a river ontology (1)
Outside be provided with mouth of a river outer wall (2), and mouth of a river inner wall (3) is provided on the inside of mouth of a river ontology (1), the mouth of a river outer wall (2)
Locking boss (13) is offered on the appearance wall on top, the internal middle position of the mouth of a river inner wall (3) is provided with molten steel stream
Road (4), and the inner wall both sides of molten steel flow channel (4) are waveform setting, between the molten steel flow channel (4) and mouth of a river inner wall (3)
It is provided with insulating layer (7).
2. four side opening long-life immersion type outlets of square base according to claim 1, it is characterised in that：The mouth of a river outer wall
(2) top is equipped with a bowl portion (9), and is provided with the rim of a bowl (8) at bowl portion (9) and the link position of mouth of a river outer wall (2).
3. four side opening long-life immersion type outlets of square base according to claim 2, it is characterised in that：The bowl portion (9)
Top slide plate (10) is installed, and the cross sectional shape of slide plate (10) and the cross sectional shape of bowl portion (9) match.
4. four side opening long-life immersion type outlets of square base according to claim 1, it is characterised in that：The locking boss
(13) length is 1/5th of mouth of a river outer wall (2) length, and offers on the appearance wall of locking boss (13) and set with outside
The external screw thread that the internal thread opened up in standby fixing groove matches.
5. four side opening long-life immersion type outlets of square base according to claim 1, it is characterised in that：The molten steel flow channel
(4) bottom circular array offers the first side port (5), the second side port (6), third side port (11) and the 4th side port (12),
And first side port (5), the second side port (6), third side port (11) and the 4th side port (12) and the angle of inclination of molten steel flow channel (4) are equal
It is 25 °.
6. four side opening long-life immersion type outlets of square base according to claim 5, it is characterised in that：First side port
(5), the inner wall both sides of the second side port (6), third side port (11) and the 4th side port (12) are symmetrically arranged with first longitudinal direction inner wall
(14) and second longitudinal direction inner wall (15), and first longitudinal direction inner wall (14) and second longitudinal direction inner wall (15) with molten steel flow channel (4) phase
It cuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734999.8U CN207547621U (en) | 2017-12-13 | 2017-12-13 | Four side opening long-life immersion type outlets of square base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734999.8U CN207547621U (en) | 2017-12-13 | 2017-12-13 | Four side opening long-life immersion type outlets of square base |
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| Publication Number | Publication Date |
|---|---|
| CN207547621U true CN207547621U (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721734999.8U Active CN207547621U (en) | 2017-12-13 | 2017-12-13 | Four side opening long-life immersion type outlets of square base |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746578A (en) * | 2018-08-21 | 2018-11-06 | 北京利尔高温材料股份有限公司 | A kind of submersed nozzle of rotating jet |
-
2017
- 2017-12-13 CN CN201721734999.8U patent/CN207547621U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746578A (en) * | 2018-08-21 | 2018-11-06 | 北京利尔高温材料股份有限公司 | A kind of submersed nozzle of rotating jet |
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