CN204842960U - Middle package immersion nozzle immersion depth is according to sign - Google Patents
Middle package immersion nozzle immersion depth is according to sign Download PDFInfo
- Publication number
- CN204842960U CN204842960U CN201520445204.6U CN201520445204U CN204842960U CN 204842960 U CN204842960 U CN 204842960U CN 201520445204 U CN201520445204 U CN 201520445204U CN 204842960 U CN204842960 U CN 204842960U
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- immersion depth
- immersion
- regulation
- nozzle
- depth
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Abstract
The utility model provides a middle package immersion nozzle immersion depth is according to sign, it has the refractory fiber strip one to paste on centre package immersion nozzle body, on the refractory fiber strip along with the immersion nozzle regulation the crystallizer eddy current sensor during big immersion depth go up along the parallel and level, refractory fiber strip width equals the difference of the biggest immersion depth of immersion nozzle regulation and the minimum immersion depth of regulation. The utility model discloses can monitor the immersion nozzle immersion depth at any time watering the steel in -process, the discovery is in time adjusted through wrap in going up and down unusually, ensures that the immersion depth accords with the regulation requirement, prevents in the crystallizer problem that the molten steel mix with the insufficient and crystallizer covering slag lack of fusion of come -up, avoids a roll sediment bleed -out accident, package body distortion and middle package vehicle support horizontal direction lead to equipment problems such as two flowing water mouth immersion depth nonconformities when being unbalance in the middle of can discovering in advance simultaneously.
Description
Technical field
The utility model belongs to continuous casting process technical field, particularly relates to a kind of reference mark for tundish immersed nozzle immersion depth.
Background technology
The immersion depth control mode of continuous casting tundish submerged nozzle is the magnetic scale numerical value (wrapping in lifting) on adjustment tundish car, be generally 20mm, 40mm, 60mm tri-height, these three highly corresponding submersed nozzle immersion depths are respectively 180mm, 140mm, 120mm.
The actual immersion depth of tundish immersed nozzle can only be measured after stopping watering, and whether cannot proofread depth of immersion in steel pouring process qualified, therefore the abnormal conditions of tundish immersed nozzle immersion depth cannot just be found in steel pouring process, if immersion depth is excessively shallow, easily there is slag bleed-out accident; If immersion depth is excessively dark, then molten steel in mold can be caused to be mingled with float the problem of insufficient and crystallizer protecting residue lack of fusion.
Summary of the invention
The utility model aims to provide one can monitor submersed nozzle immersion depth at any time in steel pouring process, notes abnormalities and can adjust in time, avoids immersion depth to exceed the tundish immersed nozzle immersion depth of regulation with reference to mark.
For this reason, the solution that the utility model is taked is:
A kind of tundish immersed nozzle immersion depth is with reference to mark, it is characterized in that, tundish immersed nozzle body is pasted with one refractory fibre bar, on refractory fibre bar along and submersed nozzle specifies maximum immersion depth time crystallizer eddy current sensor on along concordant, refractory fibre bar width equals the difference that submersed nozzle specifies maximum immersion depth and the minimum immersion depth of regulation.
The maximum immersion depth of described regulation is 160mm, specifies that minimum immersion depth is 120mm.
The beneficial effects of the utility model are:
The utility model can monitor submersed nozzle immersion depth at any time in steel pouring process, note abnormalities and can adjust by wrapping in lifting in time, guarantee that immersion depth conforms with the regulations requirement, prevent the problem that molten steel in mold is mingled with float insufficient and crystallizer protecting residue lack of fusion, avoid slag bleed-out accident; Also can find in advance simultaneously tundish body distortion and tundish car support level direction unbalance time the plant issue such as cause two stream immerge depth of mould nozzles inconsistent.
Accompanying drawing explanation
Fig. 1 is that submersed nozzle immersion depth is with reference to mark using state figure.
In figure: eddy current sensor 1, submersed nozzle 2, refractory fibre bar 3, the mouth of a river spue hole 4.
Detailed description of the invention
As seen from Figure 1, tundish the utility model submersed nozzle immersion depth is with reference to mark, on the body of tundish immersed nozzle 2, be pasted with one refractory fibre bar 3, along concordant on crystallizer eddy current sensor 1 when upper edge and the submersed nozzle 2 of refractory fibre bar 3 specify maximum immersion depth, the width of refractory fibre bar 3 equals the difference that submersed nozzle 2 specifies maximum immersion depth and the minimum immersion depth of regulation.
Specify that maximum immersion depth is 160mm, specifies that minimum immersion depth is 120mm, therefore the width of refractory fibre bar 3 is 40mm.When submersed nozzle 2 reaches the maximum immersion depth 160mm of regulation, on eddy current sensor 1 along and the mouth of a river spue on hole 4 along between distance be 325mm; When reaching the minimum immersion depth 120mm of regulation, on eddy current sensor 1 along and the mouth of a river spue on hole 5 along between distance be 285mm.In casting process, when occur on refractory fibre bar 3 along lower than on eddy current sensor 1 along time, illustrates that submersed nozzle 2 immerses the immersion depth of molten steel excessively dark, beyond specifying maximum immersion depth, wrapping in need promoting and adjusting.When occur refractory fibre bar 3 times edges higher than on eddy current sensor 1 along time, illustrate that submersed nozzle 2 immerses the immersion depth of molten steel excessively shallow, beyond the minimum immersion depth of regulation, wrap and adjust in therefore needing to decline, thus guarantee that the immersion depth of submersed nozzle 2 conforms with the regulations requirement.
Claims (2)
1. a tundish immersed nozzle immersion depth is with reference to mark, it is characterized in that, tundish immersed nozzle body is pasted with one refractory fibre bar, on refractory fibre bar along and submersed nozzle specifies maximum immersion depth time crystallizer eddy current sensor on along concordant, refractory fibre bar width equals the difference that submersed nozzle specifies maximum immersion depth and the minimum immersion depth of regulation.
2. tundish immersed nozzle immersion depth according to claim 1 is with reference to mark, and it is characterized in that, the maximum immersion depth of described regulation is 160mm, specifies that minimum immersion depth is 120mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520445204.6U CN204842960U (en) | 2015-06-26 | 2015-06-26 | Middle package immersion nozzle immersion depth is according to sign |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520445204.6U CN204842960U (en) | 2015-06-26 | 2015-06-26 | Middle package immersion nozzle immersion depth is according to sign |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204842960U true CN204842960U (en) | 2015-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520445204.6U Expired - Fee Related CN204842960U (en) | 2015-06-26 | 2015-06-26 | Middle package immersion nozzle immersion depth is according to sign |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204842960U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202107A (en) * | 2019-06-21 | 2019-09-06 | 邯郸钢铁集团有限责任公司 | Tundish immersed nozzle immersion depth Automatic adjustment method |
| 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 |
| 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 |
-
2015
- 2015-06-26 CN CN201520445204.6U patent/CN204842960U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202107A (en) * | 2019-06-21 | 2019-09-06 | 邯郸钢铁集团有限责任公司 | Tundish immersed nozzle immersion depth Automatic adjustment method |
| CN110202107B (en) * | 2019-06-21 | 2024-02-09 | 邯郸钢铁集团有限责任公司 | Automatic regulating method for immersion depth of immersion nozzle of tundish |
| 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 |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151209 Termination date: 20210626 |