CN208772452U - A kind of submersed nozzle convenient for controlling immersion depth - Google Patents
A kind of submersed nozzle convenient for controlling immersion depth Download PDFInfo
- Publication number
- CN208772452U CN208772452U CN201821473376.4U CN201821473376U CN208772452U CN 208772452 U CN208772452 U CN 208772452U CN 201821473376 U CN201821473376 U CN 201821473376U CN 208772452 U CN208772452 U CN 208772452U
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- CN
- China
- Prior art keywords
- section
- rod
- lower tube
- submersed nozzle
- threaded rod
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- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model relates to continuous casting technology fields, are related to a kind of submersed nozzle convenient for controlling immersion depth, including upper pipeline section and lower tube section；The top of the upper pipeline section is equipped with connecting plate, is threadedly coupled fixation with the tundish joint face of tundish by connecting plate；A pilot hole and a threaded hole are arranged symmetrically on the lower end surface of the upper pipeline section；The lower tube section includes that diminution section and widened section, the diminution section are embedded in inner tube segment cavity；The periphery for reducing section is symmetrical arranged a guide rod and a threaded rod, and the guide rod is inserted into pilot hole, and the threaded rod and threaded hole cooperate；And the threaded rod is externally provided with nut, the nut is arranged in card slot, and the card slot, which is fixed on, to be reduced outside section.Upper pipeline section is connected with lower tube section by a guide rod and a threaded rod, the rise and fall of lower tube section are adjusted by the nut outside rotating threaded rod, to adjust the depth in lower tube section bottom end insertion molten steel face.
Description
Technical field
The utility model relates to continuous casting technology field more particularly to a kind of submersed nozzles convenient for controlling immersion depth.
Background technique
The major function of continuous casting tundish submersed nozzle is the secondary oxidation and molten steel for preventing pans beam
It splashes；Crystallizer protecting residue is avoided to be involved in molten steel；Improve flow regime and heat flux distribution of the beam in crystallizer；And thereby promote
The homoepitaxial for making green shell in crystallizer is conducive to the exclusion of gas and field trash in steel；
Due to submersed nozzle to improve slab quality, improve working conditions, stabilizing continuous casting operation, prevent casting billet surface lack
Fall into etc. has remarkable effect, thus is all carried out using this mouth of a river in the sheet billet continuous casting of countries in the world and bloom continuous casting
Casting；According to the requirement of Ferrous Metallurgy, insertion depth of the submersed nozzle in molten steel in mold upper surface is 120-150mm.
But submersed nozzle be inserted in crystallizer liquid steel level hereinafter, and crystallizer mouth size it is smaller, existing measuring device pair
Its insertion depth is difficult to measure.
Summary of the invention
In view of the above drawbacks of the prior art, the technical problem to be solved by the utility model is to provide one kind convenient for control
The submersed nozzle of immersion depth processed is inserted into molten steel face depth below convenient for adjusting submersed nozzle.
To achieve the above object, the utility model provides a kind of entry type mouth of a river convenient for controlling immersion depth, special
Sign is: including upper pipeline section and lower tube section；The top of the upper pipeline section is equipped with connecting plate, passes through the centre of connecting plate and tundish
Packet joint face, which is threadedly coupled, to be fixed；A pilot hole and a threaded hole are arranged symmetrically on the lower end surface of the upper pipeline section；
The lower tube section includes that diminution section and widened section, the diminution section are embedded in inner tube segment cavity；The contracting
The periphery of segment is symmetrical arranged a guide rod and a threaded rod, in the guide rod insertion pilot hole, the threaded rod with
Threaded hole cooperation；And the threaded rod is externally provided with nut, the nut is arranged in card slot, and the card slot is fixed on diminution section
Outside.
Further, the middle part of the upper pipeline section is equipped with and widens cavity.
Further, it is additionally provided with isolation cover outside the widened section, the isolation cover bottom is concordant with widened section bottom.
Further, the isolation cover periphery is equipped with measuring rod, and the measuring rod passes through hollow sleeve, and the measuring rod supports
Hold together isolation cover outer baffle block.
Further, the bottom of the widened section is equipped with 30 ° -45 ° of angular guide surfaces.
Further, the measuring rod is telescopic rod.
The beneficial effects of the utility model are:
1, upper pipeline section is connected with lower tube section by a guide rod and a threaded rod, outside rotating threaded rod
Nut is to adjust the rise and fall of lower tube section, to adjust the depth in lower tube section bottom end insertion molten steel face；
2, the exhaust gas discharged in molten steel is stored by widening unprecedentedly of being arranged in upper pipeline section；By the way that inclined guidance is arranged
Face is realized and quickly shunts molten steel, then the flowing velocity of widened section bottom molten steel is reduced by way of isolation cover is arranged, with
Prevent that flow velocity is too fast and spluttering occurs；By the way that measuring rod is arranged outside isolation cover, measuring rod is immersed in the survey below of molten steel face
Gauge rod, which takes out, quickly carries out cooled and solidified, then the depth of measurement solidification section, to show that widened section is inserted into molten steel face or less
Depth.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one specific embodiment of the utility model.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore utility model is not by described below
Specific implementation limitation.
The utility model is described in further detail with reference to the accompanying drawings and examples: it is a kind of convenient for control immersion depth into
Enter the formula mouth of a river, including upper pipeline section 1；The top of the upper pipeline section 1 is equipped with connecting plate 11, by connecting plate 11 and tundish 12
Between packet joint face 13 be threadedly coupled fix；A pilot hole 14 and a screw thread are arranged symmetrically on the lower end surface of the upper pipeline section 1
Hole 15；The middle part of the upper pipeline section 1 is equipped with and widens cavity 17；
It further include lower tube section 2, the lower tube section 2 includes that diminution section 21 and widened section 22, the diminution section 21 are embedded in
In 1 internal cavities 16 of pipeline section；The periphery for reducing section 21 is symmetrical arranged a guide rod 23 and a threaded rod 24, described to lead
It is inserted into pilot hole 14 to bar 23, the threaded rod 24 cooperates with threaded hole 15；And the threaded rod 24 is externally provided with nut 26, institute
It states nut 26 to be arranged in card slot 25, the card slot 25, which is fixed on, to be reduced outside section 21；Isolation cover is additionally provided with outside the widened section 22
27,27 bottom of isolation cover is concordant with 22 bottom of widened section.
In said structure, upper pipeline section 1 and lower tube section 2 cooperate the guide rod 23 on lower tube section, guiding by pilot hole 14
Bar 23 can be free to slide in pilot hole 14；Cooperate the spiral shell of upper 1 bottom of pipeline section setting by the threaded rod 24 on lower tube section 2 again
Pit 15, and the nut 26 being limited is set outside threaded rod 24, nut is limited by card slot 25, when limitation nut rotates
Move up and down, so that 26 meeting of rotating nut is so that threaded rod 24 drives entire lower tube section 2 to move down on 15 direction of threaded hole
Dynamic, since upper 1 top of pipeline section is connected and fixed with tundish 12, and the length of upper pipeline section 1 is certain, so that rotating nuts 26 can band
Dynamic lower tube section 2 moves up and down, so that the depth in 2 bottom end of lower tube section insertion molten steel face is adjusted in this way, it is whole to guarantee
A submersed nozzle insertion molten steel face depth below is up to standard (in this process, to need to use measuring device measurement immersion
Molten steel face depth below is inserted at the mouth of a river).
In further implement, the bottom of the widened section 22 is equipped with 30 ° of angular guide surfaces 31；The isolation cover 27
Periphery is equipped with measuring rod 30, and the measuring rod 30 passes through hollow sleeve 28, and the measuring rod 30 supports 27 outer baffle block of isolation cover
29；The measuring rod 30 is telescopic rod.
In said structure, inclined guide surface 31 is set in the widened section 22 of lower tube section 2, passes through inclined guide surface
31 will quickly enter in molten steel face from the molten steel quick drainage that tundish 12 crashes into, and if the molten steel newly poured into crash into it is too fast
It can cause the larger fluctuation in original molten steel face, therefore, an isolation cover 27 is set outside entire widened section 22, passes through isolation cover
27 pairs of new hot-metal carburized steel liquid slow down, with guarantee new hot-metal carburized steel liquid can quick and stable must enter in original molten steel；And along with steel
Liquid pours into, and entire lower tube section 2 is immersed in molten steel face depth below in crystallizer 32 and can change a lot, and is stretched by setting
The measuring rod 30 of contracting formula, measuring rod 30 passes through sleeve 28, and supports block 29, and position is relatively fixed outside isolation cover 27, to steel
Liquid phase takes out measuring rod 30, red molten steel can be attached by being inserted into molten steel face measuring rod below, be then inserted into water to after steady
In be rapidly cooled solidification, the length of this section is then measured, to show that entire lower tube section 2 is inserted into molten steel face or less
Depth, be adjusted by rotating nuts 26, to guarantee that entire lower tube section 2 is inserted into molten steel face depth below reasonable
Section；And the mode of telescopic rod is set, since molten steel is rapid condensation outside measurement rod end, shunk by constantly stretching
Bar, so that scraping collision (using thicker rod end surface as razor) is constantly carried out to lesser pole face by thicker rod end surface, thus
The bloom of condensation is wiped off, so that entire measuring rod can reuse.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (6)
1. a kind of submersed nozzle convenient for controlling immersion depth, it is characterised in that: including upper pipeline section (1) and lower tube section (2)；Institute
The top for stating pipeline section (1) is equipped with connecting plate (11), passes through the tundish joint face (13) of connecting plate (11) and tundish (12)
It is threadedly coupled and fixes；A pilot hole (14) and a threaded hole (15) are arranged symmetrically on the lower end surface of the upper pipeline section (1)；
The lower tube section (2) includes reducing section (21) and widened section (22), and it is internal that the diminution section (21) is embedded in pipeline section (1)
In cavity (16)；The periphery for reducing section (21) is symmetrical arranged guide rod (23) He Yigen threaded rod (24), described to lead
Into bar (23) insertion pilot hole (14), the threaded rod (24) and threaded hole (15) cooperate；And threaded rod (24) peripheral hardware
Have nut (26), in card slot (25), the card slot (25), which is fixed on, reduces section (21) outside for nut (26) setting.
2. a kind of submersed nozzle convenient for controlling immersion depth according to claim 1, it is characterised in that: the upper tube
The middle part of section (1) is equipped with and widens cavity (17).
3. a kind of submersed nozzle convenient for controlling immersion depth according to claim 1, it is characterised in that: described to widen
It is additionally provided with isolation cover (27) outside section (22), isolation cover (27) bottom is concordant with widened section (22) bottom.
4. a kind of submersed nozzle convenient for controlling immersion depth according to claim 3, it is characterised in that: the isolation
It covers (27) periphery and is equipped with measuring rod (30), the measuring rod (30) passes through hollow sleeve (28), and the measuring rod (30) supports
Isolation cover (27) outer baffle block (29).
5. a kind of submersed nozzle convenient for controlling immersion depth according to claim 1, it is characterised in that: described to widen
The bottom of section (22) is equipped with 30 ° -45 ° of angular guide surfaces (31).
6. a kind of submersed nozzle convenient for controlling immersion depth according to claim 4, it is characterised in that: the measurement
Bar (30) is telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821473376.4U CN208772452U (en) | 2018-09-10 | 2018-09-10 | A kind of submersed nozzle convenient for controlling immersion depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821473376.4U CN208772452U (en) | 2018-09-10 | 2018-09-10 | A kind of submersed nozzle convenient for controlling immersion depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208772452U true CN208772452U (en) | 2019-04-23 |
Family
ID=66160435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821473376.4U Expired - Fee Related CN208772452U (en) | 2018-09-10 | 2018-09-10 | A kind of submersed nozzle convenient for controlling immersion depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208772452U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744041A (en) * | 2019-10-30 | 2020-02-04 | 张家港宏昌钢板有限公司 | Method for controlling immersion depth of submerged nozzle |
| CN111299566A (en) * | 2020-04-16 | 2020-06-19 | 东北大学 | Tundish free-flow-injection long-nozzle structure and argon blowing smelting method |
| CN112589060A (en) * | 2020-12-29 | 2021-04-02 | 黑龙江建龙钢铁有限公司 | Brand-new tundish immersion type water gap insertion depth measuring equipment and method thereof |
-
2018
- 2018-09-10 CN CN201821473376.4U patent/CN208772452U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744041A (en) * | 2019-10-30 | 2020-02-04 | 张家港宏昌钢板有限公司 | Method for controlling immersion depth of submerged nozzle |
| CN111299566A (en) * | 2020-04-16 | 2020-06-19 | 东北大学 | Tundish free-flow-injection long-nozzle structure and argon blowing smelting method |
| CN111299566B (en) * | 2020-04-16 | 2021-10-29 | 东北大学 | Tundish free-flow-injection long-nozzle structure and argon blowing smelting method |
| CN112589060A (en) * | 2020-12-29 | 2021-04-02 | 黑龙江建龙钢铁有限公司 | Brand-new tundish immersion type water gap insertion depth measuring equipment and method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 Termination date: 20200910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |