CN108746578A - A kind of submersed nozzle of rotating jet - Google Patents
A kind of submersed nozzle of rotating jet Download PDFInfo
- Publication number
- CN108746578A CN108746578A CN201810957172.6A CN201810957172A CN108746578A CN 108746578 A CN108746578 A CN 108746578A CN 201810957172 A CN201810957172 A CN 201810957172A CN 108746578 A CN108746578 A CN 108746578A
- Authority
- CN
- China
- Prior art keywords
- bottom outlet
- mouth
- cambered surface
- river
- centre bore
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 abstract description 32
- 239000010959 steel Substances 0.000 abstract description 32
- 238000009749 continuous casting Methods 0.000 abstract description 12
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 239000010813 municipal solid waste Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/507—Pouring-nozzles giving a rotating motion to the issuing molten metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a kind of submersed nozzles of rotating jet,Including spiral cambered surface inclined side trepanning,Mouth of a river centre bore,Truncated cone-shaped bottom outlet,Bottom outlet internal orifice and bottom outlet collar extension,It is described to be provided with N number of spiral cambered surface inclined side trepanning and 1 truncated cone-shaped bottom outlet in mouth of a river centre bore bottom,The truncated cone-shaped bottom outlet is divided into as bottom outlet internal orifice and bottom outlet collar extension,The spiral cambered surface inclined side trepanning is evenly arranged on the centre bore lower circumference of the mouth of a river clockwise,Spiral cambered surface inclined side trepanning is internally provided with spiral gradient cambered surface,N is between 3 to 6 for side opening quantity,The spiral cambered surface inclined side trepanning has angle a and mouth of a river centre bore axis angle b with horizontal plane,0 90 ° of < a < of angle,- 30 ° of 0 ° of < b < of angle,The truncated cone-shaped bottom outlet,It is arranged on mouth of a river centre bore bottom centre axis,Center bottom outlet collar extension diameter is more than bottom outlet internal orifice diameter,And it is less than mouth of a river center-hole diameter,The invention can not only be such that molten steel is uniformly distributed in crystallizer to additionally aid high-quality steel continuous casting.
Description
Technical field
The present invention relates to the diligent fire-resistant field of material technology of continuous casting, specially a kind of submersed nozzle of rotating jet.
Background technology
Continuous casting immersion outlet is a kind of continuous casting functional refractory material, is that a stream steel of packet and crystallizer is logical in connection
Road plays a part of conveying and water conservancy diversion molten steel.According to different conticaster technological requirements, submersed nozzle may be designed to different
Contour structures have built-in type and fitted outside.But all in all its common feature is to realize steel stream being uniformly distributed in crystallization, is obtained
Uniform Flow and Temperature distribution is obtained, promotes inclusion floating, avoids being mingled with, avoid molten steel jet erosion green shell, continuous casting is given birth to
Production high quality strand plays crucial important function.
Currently, submersed nozzle avoids continuous cast mold using the mouth of a river molten steel jet stream of side opening structure when continuous casting
It influences greatly, and uses the mouth of a river molten steel jet impulse depth of single hole jet stream big, mold liquid level is inactive, is easy to bring crystallization
Device lack of fusion, rubbish bleed-out accident；The existing hole side pore structure mouth of a river, addresses only the more of the direction of water-gap outlets jet stream
Direction is sprayed, and steel stream rotates ineffective in crystallizer, and crystallizer centre is unfavorable for high-quality there are flow field dead zone
Cast steel continuous casting.When existing submersed nozzle continuous casting, molten steel flow field, thermo parameters method are uneven inside crystallizer.
Therefore, for the above deficiency, the present invention provides a kind of rotating jet submersed nozzles.
Invention content
The purpose of the present invention is to provide a kind of submersed nozzles of rotating jet, are asked with solve to occur in above-mentioned background
Topic.
To solve above-mentioned purpose, the present invention provides the following technical solutions：Including spiral cambered surface inclined side trepanning, mouth of a river center
Hole, truncated cone-shaped bottom outlet, bottom outlet internal orifice and bottom outlet collar extension, it is described to be provided with N number of spiral cambered surface inclined side in mouth of a river centre bore bottom and open
Hole and 1 truncated cone-shaped bottom outlet, the truncated cone-shaped bottom outlet are divided into as bottom outlet internal orifice and bottom outlet collar extension.
The preferred spiral cambered surface inclined side trepanning is evenly arranged on the centre bore lower circumference of the mouth of a river clockwise,
Spiral cambered surface inclined side trepanning is internally provided with spiral gradient cambered surface, and N is between 3 to 6 for side opening quantity.
The preferred spiral cambered surface inclined side trepanning has angle a and mouth of a river centre bore axis angle b, angle with horizontal plane
0 90 ° of < a <, -30 ° of 0 ° of < b < of angle.
The preferred truncated cone-shaped bottom outlet, is arranged on mouth of a river centre bore bottom centre axis, center bottom outlet collar extension diameter
More than bottom outlet internal orifice diameter, and it is less than mouth of a river center-hole diameter.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention provides a kind of rotating jet submersed nozzle,
Molten steel can not only be uniformly distributed in crystallizer and additionally aids high-quality steel continuous casting.
1. uniformly distributed spiral gradient cambered surface tilts side opening clockwise, helical structure and slanted angle guide steel stream rotary irradiating
Go out, it can be achieved that molten steel being uniformly distributed in crystallizer.
2. coordinating the bottom outlet of mouth of a river bottom simultaneously, steel stream being uniformly distributed in crystallizer is helped to realize, promotes field trash
Floating, avoid molten steel jet stream from washing away green shell, realize steel stream more uniform and stable flow field and Temperature Distribution in crystallization,
Contribute to high-quality steel continuous casting.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
Attached drawing 1 is overall structure of the present invention；
Attached drawing 2 is rotating jet submersed nozzle export structure enlarged diagram of the present invention；
In figure：1- spiral cambered surface inclined side trepannings, the mouths of a river 2- centre bore, 3- truncated cone-shaped bottom outlets, 4- bottom outlet internal orifices, 5- bottom outlets
Collar extension.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper" "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
- Fig. 2 is please referred to Fig.1, the present invention provides the following technical solutions：The present invention provides a kind of rotating jet immersion water
Mouthful, which is provided with N number of side opening and a bottom outlet, and N number of side opening is equidistant uniformly distributed clockwise
It sets in circumference same horizontal line, each side opening is oblique, has spiral gradient arc to drain face inside side opening.Meanwhile
On mouth of a river bottom centre axis, center bottom outlet collar extension diameter is more than bottom outlet internal orifice diameter, and is less than mouth of a river center-hole diameter, helps
It is flowed through by the depth of bottom outlet jet stream in reducing steel.Uniformly distributed spiral gradient tilts side opening clockwise, borrows its spiral gradient cambered surface
Side opening structure and the guiding steel stream rotation of tilting angle are projected, it can be achieved that molten steel being uniformly distributed in crystallizer, while steel
Water contributes to the flow field dead zone for alleviating crystallizer center, to realize steel stream in crystallizer via mouth of a river bottom centre hole jet stream
Be uniformly distributed, promote the floating of field trash, molten steel jet stream avoided to wash away green shell, realize that steel stream is more uniform in crystallization
Stable flow field and Temperature Distribution contributes to high-quality steel continuous casting.
Wherein, the trepanning of spiral cambered surface inclined side is evenly arranged on the lower circumference of the mouth of a river clockwise, inside side opening
Equipped with spiral gradient cambered surface, side opening has angle a and mouth of a river central axis angle b, 0 90 ° of < a < of angle, angle-with horizontal plane
30 ° of 0 ° of < b <.
Wherein, for truncated cone-shaped layout of bottom hole on mouth of a river bottom centre axis, center bottom outlet collar extension diameter is straight in bottom outlet internal orifice
Diameter, and it is less than mouth of a river center-hole diameter.
Operation principle：As shown, the present invention provides a kind of rotating jet submersed nozzle, uniformly distributed spiral clockwise
Gradual change cambered surface tilts side opening, and side opening quantity can be one of 3 or 4 or 5 or 6 etc., and angle of inclination can be with
Be angle with horizontal plane be in 30 °, with mouth of a river central axis angle be in -15 °, helical structure and slanted angle guiding steel stream rotation
It projects, it can be achieved that molten steel being uniformly distributed in crystallizer.The bottom outlet for coordinating mouth of a river bottom simultaneously, helps to realize steel stream and is tying
Brilliant device is uniformly distributed, and promotes the floating of field trash, and molten steel jet stream is avoided to wash away green shell, realizes steel stream in crystallization more
Uniform and stable flow field and Temperature Distribution contributes to high-quality steel continuous casting.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention, and any reference signs in the claims should not be construed as limiting the involved claims.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacing, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection domain of invention.
Claims (4)
1. a kind of submersed nozzle of rotating jet, including spiral cambered surface inclined side trepanning (1), mouth of a river centre bore (2), truncated cone-shaped
Bottom outlet (3), bottom outlet internal orifice (4) and bottom outlet collar extension (5), it is characterised in that：It is described to be provided with N number of spiral shell in mouth of a river centre bore (2) bottom
Rotation cambered surface tilts side opening (1) and 1 truncated cone-shaped bottom outlet (3), the truncated cone-shaped bottom outlet (3) are divided into as bottom outlet internal orifice (4) and bottom
Hole collar extension (5).
2. a kind of submersed nozzle of rotating jet according to claim 1, it is characterised in that：The spiral cambered surface tilts
Side opening (1) is evenly arranged in clockwise on mouth of a river centre bore (2) lower circumference, in spiral cambered surface inclined side trepanning (1)
Portion is equipped with spiral gradient cambered surface, and N is between 3 to 6 for side opening quantity.
3. a kind of submersed nozzle of rotating jet according to claim 1, it is characterised in that：The spiral cambered surface tilts
Side opening (1) has angle a and mouth of a river centre bore (2) axis angle b, 0 90 ° of < a < of angle, -30 ° of < b < of angle with horizontal plane
0°。
4. a kind of submersed nozzle of rotating jet according to claim 1, it is characterised in that：The truncated cone-shaped bottom outlet
(3), it being arranged on mouth of a river centre bore (2) bottom centre axis, center bottom outlet collar extension (5) diameter is more than bottom outlet internal orifice (4) diameter,
And it is less than mouth of a river centre bore (2) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810957172.6A CN108746578A (en) | 2018-08-21 | 2018-08-21 | A kind of submersed nozzle of rotating jet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810957172.6A CN108746578A (en) | 2018-08-21 | 2018-08-21 | A kind of submersed nozzle of rotating jet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108746578A true CN108746578A (en) | 2018-11-06 |
Family
ID=63967032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810957172.6A Pending CN108746578A (en) | 2018-08-21 | 2018-08-21 | A kind of submersed nozzle of rotating jet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108746578A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10113753A (en) * | 1996-10-09 | 1998-05-06 | Sumitomo Metal Ind Ltd | Rotary type immersion nozzle |
| KR20010063548A (en) * | 1999-12-22 | 2001-07-09 | 이구택 | continuous casting method for preventing clogging between upper nozzle and SEN using swirl flow and a eccentric slot nozzle |
| CN2607214Y (en) * | 2003-02-19 | 2004-03-24 | 鞍山钢铁集团公司 | Immersed nozzle for continuous casting mould |
| CN2810819Y (en) * | 2005-07-01 | 2006-08-30 | 鞍山钢铁集团公司 | Submerged nozzle of medium-thin plate continuous-casting mold |
| KR20120110912A (en) * | 2011-03-30 | 2012-10-10 | 현대제철 주식회사 | Storage apparatus for roll |
| CN202479461U (en) * | 2012-03-01 | 2012-10-10 | 首钢总公司 | Immersion type rotational-flow water gap for continuous casting |
| KR20180064712A (en) * | 2016-12-06 | 2018-06-15 | 조선내화 주식회사 | A Submerged nozzle for continuous casting |
| CN207547621U (en) * | 2017-12-13 | 2018-06-29 | 浙江铁狮高温材料有限公司 | Four side opening long-life immersion type outlets of square base |
| CN108247033A (en) * | 2018-01-17 | 2018-07-06 | 武汉科技大学 | A kind of continuous casting production eddy flow filling pipe end |
| CN208772451U (en) * | 2018-08-21 | 2019-04-23 | 北京利尔高温材料股份有限公司 | A kind of submersed nozzle of rotating jet |
-
2018
- 2018-08-21 CN CN201810957172.6A patent/CN108746578A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10113753A (en) * | 1996-10-09 | 1998-05-06 | Sumitomo Metal Ind Ltd | Rotary type immersion nozzle |
| KR20010063548A (en) * | 1999-12-22 | 2001-07-09 | 이구택 | continuous casting method for preventing clogging between upper nozzle and SEN using swirl flow and a eccentric slot nozzle |
| CN2607214Y (en) * | 2003-02-19 | 2004-03-24 | 鞍山钢铁集团公司 | Immersed nozzle for continuous casting mould |
| CN2810819Y (en) * | 2005-07-01 | 2006-08-30 | 鞍山钢铁集团公司 | Submerged nozzle of medium-thin plate continuous-casting mold |
| KR20120110912A (en) * | 2011-03-30 | 2012-10-10 | 현대제철 주식회사 | Storage apparatus for roll |
| CN202479461U (en) * | 2012-03-01 | 2012-10-10 | 首钢总公司 | Immersion type rotational-flow water gap for continuous casting |
| KR20180064712A (en) * | 2016-12-06 | 2018-06-15 | 조선내화 주식회사 | A Submerged nozzle for continuous casting |
| CN207547621U (en) * | 2017-12-13 | 2018-06-29 | 浙江铁狮高温材料有限公司 | Four side opening long-life immersion type outlets of square base |
| CN108247033A (en) * | 2018-01-17 | 2018-07-06 | 武汉科技大学 | A kind of continuous casting production eddy flow filling pipe end |
| CN208772451U (en) * | 2018-08-21 | 2019-04-23 | 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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