CN210512939U - On-line measuring device for slag line wall thickness erosion of submerged nozzle - Google Patents
On-line measuring device for slag line wall thickness erosion of submerged nozzle Download PDFInfo
- Publication number
- CN210512939U CN210512939U CN201921774231.2U CN201921774231U CN210512939U CN 210512939 U CN210512939 U CN 210512939U CN 201921774231 U CN201921774231 U CN 201921774231U CN 210512939 U CN210512939 U CN 210512939U
- Authority
- CN
- China
- Prior art keywords
- wall thickness
- measuring device
- immersion nozzle
- responsible
- slag line
- 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.)
- Active
Links
Images
Landscapes
- Continuous Casting (AREA)
Abstract
The utility model relates to a steel production equipment measuring device technical field especially relates to an immersion nozzle slag line wall thickness corrodes online measuring device, including being responsible for and surveying buret, insert the lower extreme of surveying buret to the interface department of covering slag and molten steel, measure the immersion nozzle by the corroded thickness to confirm its remaining safe wall thickness, adopt before whole immersion nozzle takes place to perforate and change the operation of slag line or components of a whole that can function independently immersion nozzle and trade the mouth of a river operation, prevent continuous casting billet quality hidden danger and the newspaper waste billet that the immersion nozzle perforation leads to.
Description
Technical Field
The utility model relates to a steel production equipment measuring device technical field especially relates to an immersion nozzle slag line wall thickness corrodes on-line measuring device.
Background
In the continuous casting process, the submerged nozzle is used as a refractory material which is in direct contact with molten steel at the last step in the steelmaking process and plays a role of connecting the molten steel from a tundish to a crystallizer, however, in the normal casting process, the lower part of the submerged nozzle is inserted into the molten steel in the crystallizer, the surface of the molten steel is covered with protective slag which plays roles of lubrication, heat transfer, heat preservation and the like, and the submerged nozzle is particularly seriously corroded at the interface of the protective slag and the molten steel, so that the service life of the submerged nozzle is limited. The immersion nozzle slag line erosion condition can only be measured after stopping casting, the immersion nozzle erosion condition can not be directly observed in the normal use process, under the general condition, the immersion nozzle, the same protecting slag and the same steel grade of the same refractory material manufacturer are aimed at, the service time of the immersion nozzle is judged by measuring the erosion amount of the immersion nozzle after stopping casting, but the erosion condition of the immersion nozzle can not be judged when the immersion nozzle of a new refractory material manufacturer, different protecting slag or a new steel grade are produced, so that the immersion nozzle erosion perforation condition in the use process is caused, and the casting blank quality is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the technical problem, the utility model provides an immersion nozzle slag line wall thickness corrodes on-line measuring device, simple structure, convenient operation can accurately measure online immersion nozzle slag line erosion amount, prevents that it from appearing the quality hidden danger that the perforation caused.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an immersion nozzle slag line wall thickness corrodes on-line measuring device, is including being responsible for and surveying the buret, the lower part of surveying the buret is buckled for survey buret and form L shape wholly, and the survey buret of L shape includes mutually perpendicular's horizontal segment and vertical section, and the lower extreme suit of being responsible for is in the upper end of vertical section, and the lower extreme of vertical section and the one end body structure of horizontal segment are responsible for the middle part and are provided with horizontally adjusting screw, and adjusting screw runs through and is responsible for, and the one end and the horizontal segment of adjusting screw's front and back adjustment are located same.
Further, in order to facilitate the adjustment of the angle of the main pipe, the upper end of the main pipe is also provided with a handle, and the handle and the horizontal section are respectively positioned at two sides of the main pipe.
Further, specifically, the distance between the front and back of the adjusting screw rod is 0-50 mm.
Further, for the convenience of adjusting the length of surveying the buret, the lower extreme outside of being responsible for is seted up threaded hole, and threaded hole installs fixed survey buret screw rod, and vertical section is through the upper end fixed connection of fixed survey buret screw rod and vertical section.
Further, specifically, the measuring tube is an L-shaped drainage tube, the tube diameter is phi 6mm, and the length of the horizontal section is 30-50 mm.
The beneficial effects of the utility model are that, the utility model discloses an immersion nozzle slag line wall thickness corrodes on-line measuring device inserts the lower extreme of surveying buret to the interface department of covering slag and molten steel, measures the thickness that the immersion nozzle was corroded to confirm its remaining safe wall thickness, adopt before whole immersion nozzle takes place to perforate to become the cinder line operation or components of a whole that can function independently immersion nozzle and trade the mouth of a river operation, prevent continuous casting billet quality hidden danger and the newspaper waste billet that the immersion nozzle perforation leads to.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is the structure schematic diagram of the submerged nozzle slag line wall thickness erosion on-line measuring device of the present invention.
FIG. 2 is a diagram of the usage state of the submerged nozzle slag line wall thickness erosion online measuring device of the present invention.
In the figure: 1. the device comprises a handle, 2, an adjusting screw rod, 3, a main pipe, 4, a fixed measuring pipe screw rod, 5, a measuring pipe, 51, a horizontal section, 52, a vertical section, 6, a crystallizer copper pipe, 7, an immersion type water gap, 8, casting powder, 9, a casting powder and molten steel interface, 10 and molten steel.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in FIG. 1, it is the preferred embodiment of the present invention, an immersion nozzle slag line wall thickness erosion online measuring device, including being responsible for 3 and surveying buret 5, the lower part of surveying buret 5 is buckled, make survey buret 5 form L shape wholly, the survey buret 5 of L shape includes mutually perpendicular's horizontal segment 51 and vertical section 52, the lower extreme suit of being responsible for 3 is in the upper end of vertical section 52, the lower extreme of vertical section 52 and the one end body structure of horizontal segment 51, the middle part of being responsible for 3 is provided with horizontally adjusting screw 2, adjusting screw 2 runs through and is responsible for 3, adjusting screw 2's the fore-and-aft adjustment one end and horizontal segment 51 are located the same one side of being responsible for. The distance between the front and the back of the adjusting screw rod 2 is 0-50 mm. The measuring tube 5 is an L-shaped drainage tube with the tube diameter of phi 6mm, and the length of the horizontal section 51 is A, and A is 30-50 mm. The outer side of the lower end of the main pipe 3 is provided with a threaded hole, a fixed measuring pipe screw rod 4 is arranged in the threaded hole, and the vertical section 52 is fixedly connected with the upper end of the vertical section 52 through the fixed measuring pipe screw rod 4. The upper end of the main pipe 3 is also provided with a handle 1, and the handle 1 and the horizontal section 51 are respectively positioned at two sides of the main pipe 3.
As shown in FIG. 2, the concave arc portion in the outer wall of the submerged nozzle 7 in FIG. 2 is the eroded part, the bottom of the measuring tube 5 is inserted into the crystallizer copper tube 6 by the hand-held handle 1, the measuring tube 5 passes through the casting powder 8, the bottom of the measuring tube 5 reaches the decomposing plane 9 of the casting powder and the molten steel according to experience, the thickness of the casting powder is generally 2-3 centimeters and is relatively uniform, the rotatable adjusting screw 2 is adjusted, the main tube 3 is parallel to the outer wall of the submerged nozzle 7, the adjusting screw 2 is parallel to the horizontal section 51, the length of the adjusting screw 2 protruding out of the main tube 3 is measured as B, and the online erosion amount of the slag line wall thickness of the submerged nozzle.
Adopt the utility model discloses carry out the measurement of the online use in-process erosion of immersion nozzle, can judge the life of department immersion nozzle, prevent to appear perforating in its use to effectual control because the casting blank that the immersion nozzle perforation leads to rolls up the quality hidden danger that sediment, clamp sediment caused and the newspaper waste blank of choosing after the immersion nozzle is perforated.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides an immersion nozzle slag line wall thickness corrodes on-line measuring device which characterized in that: including being responsible for (3) and surveying buret (5), the lower part of surveying buret (5) is buckled for survey buret (5) whole formation L shape, survey buret (5) of L shape include mutually perpendicular's horizontal segment (51) and vertical section (52), the lower extreme suit of being responsible for (3) is in the upper end of vertical section (52), the lower extreme of vertical section (52) and the one end body structure of horizontal segment (51), the middle part of being responsible for (3) is provided with horizontally adjusting screw (2), adjusting screw (2) run through and are responsible for (3), the one end and the horizontal segment (51) of the fore-and-aft adjustment of adjusting screw (2) are located same one side of being responsible for.
2. The submerged nozzle slag line wall thickness erosion online measuring device of claim 1, characterized in that: the upper end of the main pipe (3) is also provided with a handle (1), and the handle (1) and the horizontal section (51) are respectively positioned at two sides of the main pipe (3).
3. The submerged nozzle slag line wall thickness erosion online measuring device of claim 1, characterized in that: the distance between the front and back of the adjusting screw rod (2) is 0-50 mm.
4. The submerged nozzle slag line wall thickness erosion online measuring device of claim 1, characterized in that: the outer side of the lower end of the main pipe (3) is provided with a threaded hole, a fixed measuring pipe screw rod (4) is installed in the threaded hole, and the vertical section (52) is fixedly connected with the upper end of the fixed measuring pipe screw rod (4) and the vertical section (52).
5. The submerged nozzle slag line wall thickness erosion online measuring device of claim 1, characterized in that: the measuring tube (5) is an L-shaped drainage tube, the tube diameter is phi 6mm, and the length of the horizontal section (51) is 30-50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921774231.2U CN210512939U (en) | 2019-10-22 | 2019-10-22 | On-line measuring device for slag line wall thickness erosion of submerged nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921774231.2U CN210512939U (en) | 2019-10-22 | 2019-10-22 | On-line measuring device for slag line wall thickness erosion of submerged nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210512939U true CN210512939U (en) | 2020-05-12 |
Family
ID=70573215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921774231.2U Active CN210512939U (en) | 2019-10-22 | 2019-10-22 | On-line measuring device for slag line wall thickness erosion of submerged nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210512939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611667A (en) * | 2020-11-03 | 2021-04-06 | 北京科技大学 | Physical simulation test device for steel ladle slag line resistant material erosion corrosion and use method |
| CN114088913A (en) * | 2021-10-22 | 2022-02-25 | 包头钢铁（集团）有限责任公司 | Method for judging influence of molten rare earth steel with different contents on service performance of submerged nozzle |
-
2019
- 2019-10-22 CN CN201921774231.2U patent/CN210512939U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611667A (en) * | 2020-11-03 | 2021-04-06 | 北京科技大学 | Physical simulation test device for steel ladle slag line resistant material erosion corrosion and use method |
| CN112611667B (en) * | 2020-11-03 | 2022-07-15 | 北京科技大学 | Physical simulation test device for steel ladle slag line resistant material erosion corrosion and use method |
| CN114088913A (en) * | 2021-10-22 | 2022-02-25 | 包头钢铁（集团）有限责任公司 | Method for judging influence of molten rare earth steel with different contents on service performance of submerged nozzle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210512939U (en) | On-line measuring device for slag line wall thickness erosion of submerged nozzle | |
| CN208033603U (en) | The online depth measurement device of submersed nozzle | |
| CN201322613Y (en) | Slag blanket thickness measuring device for covering slag of continuous casting crystallizer | |
| US20050133192A1 (en) | Tundish control | |
| CN103743539A (en) | Method for measurement of flow-field direction and intensity in crystallizer and flow-field intensity indicator | |
| CN209255784U (en) | Submersed nozzle insertion depth measuring device | |
| EP0035488B1 (en) | Method of and arrangement for determining the amount of slag present in a tundish during the continuous casting of a metal melt | |
| CN214977708U (en) | Tundish with temperature acquisition function | |
| CN210755156U (en) | Continuous casting tundish casting integral nozzle centering device | |
| CN201935677U (en) | Device for measuring thickness of liquid slag layer of casting slag of molten steel continuous casting crystallizer | |
| CN218425480U (en) | Device for measuring immersion depth of immersion type water gap | |
| CN214583500U (en) | Device for measuring insertion depth of sleeve on line | |
| AU3739589A (en) | Continuous caster breakout damage avoidance system | |
| CN220112328U (en) | Anti-splashing pouring nozzle for pouring ladle | |
| CN214212210U (en) | Device for adjusting height unevenness of water port bracket | |
| CN214290726U (en) | Device for measuring thickness of continuous casting protective slag layer and insertion depth of submersed nozzle | |
| CN211661040U (en) | A wind-guiding structure for having ventilative stopper stick of temperature measurement function | |
| CN220462164U (en) | Continuous casting immersion nozzle insertion depth measuring tool | |
| CN220912408U (en) | Submerged level measurement system for molten metal | |
| CN219805374U (en) | Immersion nozzle insertion depth measuring device | |
| CN213469918U (en) | Protective gas control device for welding of pharmaceutical clean pipelines | |
| CN216705935U (en) | Online measuring tool for aperture of refractory material at sliding nozzle of molten steel tank | |
| CN216065513U (en) | Device for controlling flow direction and flow velocity of high-temperature molten iron in electrolytic aluminum anode casting | |
| CN213763993U (en) | Measuring tool for expanding steel ladle sliding nozzle | |
| CN212761099U (en) | Steel adhesion preventing device for continuous casting quick-change nozzle slide way |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |