CN108705056B - Continuous casting machine and nozzle observation device thereof - Google Patents
Continuous casting machine and nozzle observation device thereof Download PDFInfo
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- CN108705056B CN108705056B CN201810487504.9A CN201810487504A CN108705056B CN 108705056 B CN108705056 B CN 108705056B CN 201810487504 A CN201810487504 A CN 201810487504A CN 108705056 B CN108705056 B CN 108705056B
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- nozzle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
- B22D11/1246—Nozzles; Spray heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
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Abstract
The invention discloses a nozzle observation device of a continuous casting machine, which can be pushed to the upper surface of a crystallizer (7) and comprises a main body support frame (4), an observation plate arranged on the lower surface of the main body support frame (4) through a lifting device, a plurality of cameras (10) arranged on the observation plate, and a display screen (1) fixed on the main body support frame (4) and electrically connected with the cameras (10), wherein the observation plate can be lifted into the crystallizer (7) to enable the cameras (10) to shoot a spray gun nozzle (9). The nozzle observation device effectively solves the problems that whether the nozzle is blocked or not can not be observed and detected when the nozzle is used for a continuous casting machine. The invention also discloses a continuous casting machine comprising the nozzle observation device.
Description
Technical Field
The invention relates to the technical field of metallurgical equipment, in particular to a nozzle observation device. In addition, the invention also relates to a continuous casting machine comprising the nozzle observation device.
Background
At present, in the process of casting steel billets from molten steel by a continuous casting machine in the metallurgical industry, the steel billets discharged from a crystallizer only have a thin shell, the temperature of the steel billets is very high, the temperature taken away by the crystallizer is very limited, most of the temperature reduction completely depends on water-air-entrainment shower type water spray guns which are arranged in a fan-shaped section in an ordered arrangement to uniformly spray water for cooling the steel billets, and therefore the steel billets are uniformly cooled to the required temperature. When the nozzle of the water spraying gun is blocked and water cannot be sprayed, the quality problem of the steel billet can be caused when the steel billet in the range which is responsible for the nozzle cannot be effectively cooled, if the nozzle is blocked more, the nozzle cannot be found in time, when the steel billet cannot be effectively cooled in a large area, the steel billet is cracked by a light person, and the steel billet is cracked by a heavy person to cause a steel leakage accident. The method is particularly embodied in the zero section position of a fan-shaped section of a casting machine, because the zero section is the first section from a crystallizer, the temperature of a steel billet is very high, and the shell of the steel billet is very thin, so that more water spray nozzles are blocked, and the temperature of the steel billet cannot be effectively and uniformly cooled, so that steel billet cracks, steel billet tensile cracks and steel leakage or other quality accidents are easily caused. Meanwhile, after the casting is finished, personnel cannot go down to the zero section and the bending section of the fan-shaped section of the casting machine to observe whether the nozzle is blocked, the fan-shaped section to be repaired can be replaced and taken off line only when the nozzle is repaired every time, the nozzle is placed in a repair workshop to check the blockage condition of the nozzle, water can not be tested in the repair workshop, and most of the nozzles in the whole section are completely replaced. The targeted replacement can not be realized, which wastes time, labor and unnecessary cost.
In summary, how to effectively solve the problems that the nozzle cannot be observed and detected to be blocked or not in the continuous casting machine is a problem that needs to be solved urgently by those skilled in the art at present.
Disclosure of Invention
The invention aims to provide a nozzle observation device, which effectively solves the problems that whether a nozzle is blocked or not can not be observed and detected when a continuous casting machine is used; another object of the present invention is to provide a continuous casting machine including the nozzle observing apparatus.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a nozzle observation device of conticaster, can promote the higher authority of crystallizer, including the main part support frame, install through elevating gear in the observation board of main part support frame lower surface, install in a plurality of cameras on the observation board, be fixed in on the main part support frame and with the display screen that the camera electricity is connected, the observation board can go up and down to make in the crystallizer the camera shoots the spray gun nozzle.
Preferably, the observation board comprises a mother board and a daughter board which is telescopically linked with the mother board, and the camera is arranged on both the mother board and the daughter board.
Preferably, the number of the daughter boards is two, the daughter boards are respectively sleeved in the sleeving holes at the two end parts of the mother board, and the cameras are installed at the outer end parts of the daughter boards and the board body of the mother board.
Preferably, a sliding groove is formed in a mother board of the observation board, a sliding rod is arranged at the bottom of the main body supporting frame, and the sliding rod can be clamped in the sliding groove when the observation board is retracted.
Preferably, a roller is arranged on the plate body of the mother plate of the observation plate, and the roller slides up and down in the continuous casting machine.
Preferably, the lifting device comprises a winding drum arranged on the upper surface of the main body support frame, and at least two connecting ropes, one ends of which are fixed on the winding drum and can be wound on the winding drum, and the other ends of the connecting ropes are connected with the observation plate.
Preferably, two sides of the winding drum are respectively fixed on the main body supporting frame through bearings, and a rocker for driving the winding drum to rotate is arranged on the side surface of the winding drum.
Preferably, the camera comprises a lamp housing, a camera mounted at the center of the lamp housing, and a plurality of lighting bulbs mounted on the lamp housing and located at the periphery of the camera.
Preferably, universal wheels are arranged at the bottoms of the support legs of the main body support frame.
The invention also provides a continuous casting machine, which comprises a crystallizer and a nozzle observation device capable of being placed on the crystallizer, wherein the nozzle observation device is specifically the nozzle observation device in any one of the above.
The nozzle observation device of the continuous casting machine, provided by the invention, can be pushed to the upper surface of the crystallizer, and comprises a main body supporting frame, an observation plate, a camera and a display screen, wherein the observation plate is arranged on the lower surface of the main body supporting frame through a lifting device and can move up and down. The camera is a plurality of in quantity, installs on the observation board, can follow the observation board and reciprocate. The observation plate can be lifted into the crystallizer to enable the camera to shoot the spray gun nozzle. The display screen is fixed in on the main part support frame, for example the display screen is fixed at the top of main part support frame, and is connected with the camera electricity, transmits video signal to the display screen through the camera, can observe the discharge and the nozzle jam condition of nozzle water spray.
The nozzle observation device provided by the invention can be used for online checking the water spray flow rate of the nozzles in the fan-shaped section and the nozzle blockage condition, and when a cooling water spray nozzle of a continuous casting machine is blocked, namely the nozzles can not spray water, under the conditions that personnel can not go into a casting machine to check the water flow rate sprayed by the water spray nozzle of the continuous casting machine and whether the water flow rate is blocked or not in a narrow space and a severe environment, the nozzle observation device is started, and the nozzle observation device is put into the continuous casting machine which can not go down by the personnel to observe the water flow rate sprayed by the nozzles and the nozzle blockage condition. Not only saves time and labor, but also ensures the quality problem of the steel billet which is not cooled in time because the water spray nozzle is blocked too much.
The invention also provides a continuous casting machine, which comprises a crystallizer and a nozzle observation device capable of being placed on the crystallizer, wherein the nozzle observation device is any one of the nozzle observation devices. Since the nozzle observation device has the technical effects, the continuous casting machine with the nozzle observation device also has the corresponding technical effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a front view of a nozzle observation device according to an embodiment of the present invention, in which an observation plate extends left and right;
FIG. 2 is a front view of the viewing panel of FIG. 1 after it has been retracted left and right;
FIG. 3 is a side view of a nozzle sight into a segment of a continuous caster;
FIG. 4 is a side view of the nozzle sight after retraction;
FIG. 5 is a top view of the viewing plate after left and right extension;
FIG. 6 is a top view of the viewing plate after left and right retraction;
fig. 7 is a schematic view of the structure of the camera.
The drawings are numbered as follows:
1-display screen, 2-rocker, 3-reel, 4-main body support frame, 5-connecting rope, 6-slide rod, 7-crystallizer, 8-universal wheel, 9-nozzle, 10-camera, 11-daughter board, 12-mother board, 13-lighting bulb, 14-camera, 15-roller, 16-lamp shell, 17-bearing and 18-chute.
Detailed Description
The core of the invention is to provide a nozzle observation device, which effectively solves the problems that the nozzle can not be observed and detected whether to be blocked or not when in a continuous casting machine; another core of the invention is to provide a continuous casting machine comprising the nozzle observation device.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, fig. 1 is a schematic structural view of a nozzle observation device according to an embodiment of the present invention, wherein an observation plate extends left and right; FIG. 2 is a front view of the viewing panel of FIG. 1 after it has been retracted left and right; FIG. 3 is a side view of a nozzle sight into a segment of a continuous caster; FIG. 4 is a side view of the nozzle sight after retraction; FIG. 5 is a top view of the viewing plate after left and right extension; FIG. 6 is a top view of the viewing plate after left and right retraction; fig. 7 is a schematic view of the structure of the camera.
In a specific embodiment, the nozzle observation device of the continuous casting machine provided by the invention can be pushed to the upper surface of the crystallizer 7, and comprises a main body support frame 4, an observation plate, a camera 10 and a display screen 1, wherein the observation plate is arranged on the lower surface of the main body support frame 4 through a lifting device and can move up and down. The plurality of cameras 10 are attached to the observation panel and can move up and down along with the observation panel. The viewing plate can be raised and lowered into the mould 7 so that the camera 10 takes a picture of the spray gun nozzle 9. The display screen 1 is fixed on the main body support frame 4, for example, the display screen 1 is fixed on the top of the main body support frame 4 and is electrically connected with the camera 10, and the video signal is transmitted to the display screen 1 through the camera 10, so that the water flow of the water sprayed by the nozzle 9 and the blocking condition of the nozzle 9 can be observed.
The nozzle observation device provided by the invention can be used for online checking the water spray flow of the nozzle 9 at the sector section and the blockage condition of the nozzle 9, and when a cooling water spray nozzle of a continuous casting machine is blocked, namely the nozzle 9 can not spray water, under the conditions of a narrow space and a severe environment, personnel can not go into a casting machine to check the water flow sprayed by the water spray nozzle of the continuous casting machine and whether the water flow is blocked, the nozzle 9 observation device is started, and the nozzle 9 observation device is put into the continuous casting machine which can not go down by the personnel to observe the water flow sprayed by the nozzle 9 and the blockage condition of the nozzle 9. Not only saves time and labor, but also ensures the quality problem of the steel billet which is not cooled in time because the water spray nozzle is blocked too much.
The nozzle observation device is only a preferred scheme, is not particularly limited to the preferred scheme, and can be specifically adjusted according to actual needs, so that different embodiments can be obtained, wherein the observation board comprises a mother board 12 and a daughter board 11, and the daughter board 11 is connected to the end part of the mother board 12 and is telescopically linked with the mother board 12 and can extend and retract left and right. The cameras 10 are arranged on the mother board 12 and the daughter boards 11, and the length of the left extension and the right extension and the retraction of the observation board can be adjusted at will, so that the observation board is provided with the cameras 10 to be suitable for the crystallizer 7 with any width, and the on-line inspection of the water spraying flow of the fan-shaped section nozzle 9 in the whole width of the crystallizer 7 and the blockage condition of the nozzle 9 are facilitated.
On the basis of the above specific embodiment, a person skilled in the art can change the nozzle observation device a plurality of times according to different specific situations, the number of the daughter boards 11 is two, the daughter boards are respectively sleeved in the two end sleeving holes of the mother board 12, and the camera 10 is installed at the outer end of the daughter board 11 and the board body of the mother board 12, so that the structure is simple and the installation is easy. The cameras 10 are each dimensioned, for example uniformly, mounted on the viewing plate. The observation plate is composed of three sections, the left sub-plate 11 and the right sub-plate 11 can be retracted into the mother plate 12, so that the length of the left extension and the right extension and the retraction of the observation plate can be adjusted at will, and the observation plate is provided with a camera 10 suitable for the crystallizer 7 with any width.
Obviously, under the guidance of this idea, those skilled in the art can make several changes to the above-mentioned embodiments according to different situations, the mother board 12 of the observation board is provided with the sliding slot 18, the bottom of the main body support frame 4 is provided with the sliding rod 6, for example, the sliding slot 18 is arranged in the middle of the observation board, the sliding rod 6 is fixed at the bottom of the main body support frame 4, the sliding rod 6 can be blocked in the sliding slot 18 when the observation board is retracted, so that the whole observation board is blocked on the main body support frame 4, and the observation device is not swayed left and right when the observation device is withdrawn and pushed without using the nozzle.
It should be noted that the nozzle observation device provided by the present invention should not be limited to this situation, and the roller 15 is disposed on the plate body of the mother plate 12 of the observation plate, and the roller 15 slides up and down in the continuous casting machine to prevent the observation plate from impacting back and forth in the continuous casting machine and damaging the observation plate and the observation equipment; meanwhile, the observation plate can slide up and down in the continuous casting machine smoothly.
The invention provides a nozzle observation device, under the condition that other components are not changed, a lifting device comprises a winding drum 3 and a connecting rope 5, wherein the winding drum 3 is arranged on the upper surface of a main body supporting frame 4. At least two connecting ropes 5 keep the winding drum 3 balanced. The connecting rope 5 can be a steel wire rope, and is high in strength and firm. The one end of connecting rope 5 is fixed in on reel 3 and can be drawn into reel 3, and the other end of connecting rope 5 is connected with the observation board, and camera 10 fixes on the observation board, and the winding has connecting rope 5 on reel 3, and when reel 3 will connect rope 5 and be drawn into or emit, make the observation board reciprocate thereupon to drive camera 10 and reciprocate, thereby reach the jam condition of the nozzle 9 of observing the conticaster water gun.
With the nozzle observing apparatus in each of the above embodiments, both sides of the reel 3 are fixed to the main body support frame 4 by the bearings 17, respectively, so that the reel 3 is rotated to wind in or pay out the connecting rope 5. The side of reel 3 is provided with drive reel 3 pivoted rocker 2, shakes rocker 2 and makes reel 3 rotate, conveniently drives reel 3 and rotates.
In order to further optimize the technical scheme, the camera 10 includes a lamp housing 16, a camera 14 and a plurality of lighting bulbs 13, the camera 14 is installed at the center of the lamp housing 16, the lighting bulbs 13 are installed on the lamp housing 16 and located at the periphery of the camera 14, and the lighting bulbs 13 can be LED lighting lamps, so that the cost is low and energy is saved. The camera 14 is integrally formed with the illumination bulb 13 so as to provide illumination to the camera 14 and waterproof treatment.
On the basis of the above-mentioned embodiments, universal wheels 8 are arranged at the bottom of the legs of the main body support frame 4, for example, four universal wheels 8 are respectively fixed at the bottom of four legs of the main body support frame 4, so that the detection device of the nozzle 9 of the continuous casting machine can be easily pushed to move at will.
When the device is used, the nozzle observation device is pushed to the upper surface of the crystallizer 7 through the universal wheels 8, the position is adjusted, and the brake pedals of the universal wheels 8 are stepped down to be fixed at the position. The sub-plate 11 is then stretched and the width of the viewing plate is adjusted to match the width of the crystalliser 7. Turning on the power supply causes the illumination bulb 13 and the camera 14 to start. The rocker 2 is rocked to enable the winding drum 3 to rotate so as to drive the connecting rope 5 to be wound out, the observation plate drives the camera 10 to descend to the corresponding fan-shaped section of the continuous casting machine and set the spray gun nozzle 9 to stop, and the camera 10 can record and directly observe whether the spray gun nozzle 9 of the continuous casting machine is blocked or not clearly through the display screen 1. When the reel 3 rotates one turn, the camera 10 drops to the next set of nozzles 9 and stops, and the next set of nozzles 9 is observed for clogging, and so on to check the nozzles 9. After the detection is finished, the rocker 2 is reversely shaken to enable the winding drum 3 to wind the connecting rope 5 into the winding drum 3, the observation plate is lifted out of the crystallizer 7, the sliding groove 18 of the observation plate is clamped on the sliding rod 6, the brake plate is lifted, the continuous casting machine nozzle observation device is pushed away, and the detection is finished.
Based on the nozzle observation device provided in the above embodiment, the present invention further provides a continuous casting machine, which includes a mold 7 and a nozzle observation device capable of being placed on the mold 7, wherein the nozzle observation device is any one of the nozzle observation devices in the above embodiments. Since the continuous casting machine adopts the nozzle observation device in the above embodiment, please refer to the above embodiment for the beneficial effects of the continuous casting machine.
In the description of the present invention, it should be noted that the terms upper, bottom, etc. indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The nozzle observation device of the continuous casting machine is characterized by being capable of pushing a crystallizer (7), and comprising a main body supporting frame (4), an observation plate arranged on the lower surface of the main body supporting frame (4) through a lifting device, a plurality of cameras (10) arranged on the observation plate, and a display screen (1) fixed on the main body supporting frame (4) and electrically connected with the cameras (10), wherein the observation plate can be lifted into the crystallizer (7) to enable the cameras (10) to shoot spray gun nozzles (9), the observation plate comprises a mother plate (12) and a daughter plate (11) which is telescopically linked with the mother plate (12), the mother plate (12) and the daughter plate (11) are respectively provided with the cameras (10), and the lifting device comprises a winding drum (3) arranged on the upper surface of the main body supporting frame (4), and, One end of the connecting rope is fixed on the winding drum (3) and can be wound into at least two connecting ropes (5) on the winding drum (3), and the other end of each connecting rope (5) is connected with the observation plate.
2. The nozzle observation device according to claim 1, wherein the number of the daughter boards (11) is two, the daughter boards are respectively sleeved in the sleeving holes at two end parts of the mother board (12), and the cameras (10) are installed at the outer ends of the daughter boards (11) and the board body of the mother board (12).
3. Nozzle observation apparatus according to claim 2, characterized in that the mother plate (12) of the observation plate is provided with a slide groove (18), and the bottom of the main body support frame (4) is provided with a slide rod (6), and the slide rod (6) can be blocked in the slide groove (18) when the observation plate is retracted.
4. Nozzle observation apparatus according to claim 2, characterized in that the body of the mother plate (12) of the observation plate is provided with rollers (15), said rollers (15) sliding up and down in the continuous casting machine.
5. The nozzle observation device according to claim 1, wherein two sides of the winding drum (3) are respectively fixed on the main body supporting frame (4) through bearings (17), and a rocker (2) for driving the winding drum (3) to rotate is arranged on the side surface of the winding drum (3).
6. A nozzle sight arrangement according to any one of claims 1 to 4, wherein the camera (10) comprises a light housing (16), a camera (14) mounted in the centre of the light housing (16), a plurality of light bulbs (13) mounted on the light housing (16) and located at the periphery of the camera (14).
7. Nozzle observation device according to any of claims 1-4, characterized in that the bottom of the legs of the body support frame (4) is provided with universal wheels (8).
8. Continuous casting machine comprising a crystallizer (7) and a nozzle observation device that can be placed above said crystallizer (7), characterized in that said nozzle observation device is in particular a nozzle observation device according to any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810487504.9A CN108705056B (en) | 2018-05-21 | 2018-05-21 | Continuous casting machine and nozzle observation device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487504.9A CN108705056B (en) | 2018-05-21 | 2018-05-21 | Continuous casting machine and nozzle observation device thereof |
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| CN108705056A CN108705056A (en) | 2018-10-26 |
| CN108705056B true CN108705056B (en) | 2020-11-17 |
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| CN201810487504.9A Active CN108705056B (en) | 2018-05-21 | 2018-05-21 | Continuous casting machine and nozzle observation device thereof |
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| CN112605954A (en) * | 2020-11-12 | 2021-04-06 | 广东韶钢工程技术有限公司 | Quick overhaul device of spraying frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2441539A1 (en) * | 2010-10-12 | 2012-04-18 | Siemens VAI Metals Technologies GmbH | Energy and output-optimised method and assembly for producing hot rolled steel strips |
| CN202129422U (en) * | 2011-04-03 | 2012-02-01 | 青岛云路新能源科技有限公司 | Nozzle angle aligning device for non-crystal strip maker |
| CN204367581U (en) * | 2014-12-17 | 2015-06-03 | 朱大刚 | A kind of industrial nozzle spray orifice condition detecting system |
| CN204504169U (en) * | 2015-04-08 | 2015-07-29 | 安徽工业大学 | A kind of device utilizing laser detection secondary cooling area for continuous casting nozzle operation situation |
| CN107664646A (en) * | 2016-07-29 | 2018-02-06 | 上海微电子装备（集团）股份有限公司 | A kind of full-automatic open defect check device and method |
| CN205927044U (en) * | 2016-07-31 | 2017-02-08 | 马鞍山尚元冶金科技有限公司 | High -efficient detection device of two cold -zone nozzles |
| CN106369629A (en) * | 2016-10-18 | 2017-02-01 | 神华集团有限责任公司 | Hearth observation device |
| CN107211845A (en) * | 2017-07-15 | 2017-09-29 | 苏州星川园艺绿化有限公司 | A kind of gardening Intelligent drip irrigation system |
| CN107642036A (en) * | 2017-09-11 | 2018-01-30 | 中交第公路勘察设计研究院有限公司 | Bridge quick visualization detection means and its system and method |
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