CN112462378A - Laser thickness gauge for converter - Google Patents
Laser thickness gauge for converter Download PDFInfo
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- CN112462378A CN112462378A CN202011379054.5A CN202011379054A CN112462378A CN 112462378 A CN112462378 A CN 112462378A CN 202011379054 A CN202011379054 A CN 202011379054A CN 112462378 A CN112462378 A CN 112462378A
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- laser
- converter
- laser ranging
- wall
- module
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4673—Measuring and sampling devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a converter laser thickness gauge, comprising: the system comprises a laser ranging module and a data processing module; the laser ranging module is used for emitting laser to the inner wall of the converter, and the laser completely covers the inner wall of the converter; the laser ranging module is also used for receiving the returned laser and acquiring the angle information and the distance data of the returned laser; and the data processing module is used for obtaining the thickness data of the inner wall of the converter according to the angle information and the distance data. The laser ranging module emits laser, the distances and the angles of different angles and different positions of the inner wall of the converter are measured at the same time, the data processing algorithm is used for real-time three-dimensional modeling, the distance and the angle data of each point of the complete furnace lining are obtained, and the algorithm processes and compares the data of each point of the original furnace lining so as to obtain accurate information of the thickness of the furnace lining, so that the converter is guided to splash slag on site to protect the converter, and the purposes of prolonging the service life of the converter, saving energy.
Description
Technical Field
The invention relates to the technical field of industry, in particular to a laser thickness gauge for a converter.
Background
In the oxygen blowing smelting process of the converter, the furnace lining is in long-term contact with high-temperature molten iron, furnace slag, furnace gas and the like to generate a local erosion phenomenon; meanwhile, the furnace lining is affected by operations such as scrap steel adding, slag pouring, steel tapping and the like, so that local damage occurs. When the thickness is lower than the safety value, serious safety accidents such as steel penetration and the like are easy to happen. The thickness condition of each part of the converter lining is accurately detected, the waste caused by transition repair is reduced, the converter lining is enabled to keep the optimal profile appearance, the furnace life is prolonged, and the number of times of cold repair for rebuilding the converter lining is reduced. Meanwhile, the liquid level and the tapping angle of a converter molten pool can be predicted by accurately detecting the thickness of each part of the converter lining, and the position of an oxygen lance and the tapping angle are optimized so as to guide the converter to make steel.
The laser measurement of the thickness of the converter lining has the advantages of non-contact, rapidness, high accuracy and strong anti-interference performance, and is widely applied to the technical field of thickness measurement of the converter lining. However, the existing equipment for measuring the converter lining by using the laser generally needs manual operation and positioning, and has long measuring time and low precision. Therefore, the laser thickness gauge which realizes remote, automatic positioning, rapidness and accuracy has important significance for the development of the smelting industry.
Therefore, how to effectively realize the laser ranging of the converter has become an urgent problem to be solved in the industry.
Disclosure of Invention
The invention provides a laser thickness gauge for a converter, which is used for solving the problem that the measured thickness of the converter cannot be accurately realized for a long time in the prior art.
The invention provides a converter laser thickness gauge, comprising: the system comprises a laser ranging module and a data processing module;
the laser ranging module is used for emitting laser to the inner wall of the converter, and the laser completely covers the inner wall of the converter;
the laser ranging module is also used for receiving the returned laser and acquiring the angle information and the distance data of the returned laser;
and the data processing module is used for obtaining the thickness data of the inner wall of the converter according to the angle information and the distance data.
According to the laser thickness gauge of the converter provided by the invention, the laser ranging module comprises: one or more laser range emitters.
According to the laser thickness gauge of the converter provided by the invention, when the laser ranging module comprises a plurality of laser ranging transmitters, the plurality of laser ranging transmitters simultaneously transmit laser to the inner wall of the converter;
the plurality of laser ranging transmitters are also used for receiving the return laser of each laser ranging transmitter at the same time, and the data processing module is used for processing the angle information and the distance information of the return laser of each laser ranging transmitter at the same time.
According to the laser thickness gauge of the converter provided by the invention, the laser distance measuring transmitter comprises:
the device comprises a laser ranging sensor, a current controller and an optical controller, wherein the optical controller is electrically connected with the laser ranging sensor and the current controller respectively;
the current controller sends a control current, and the optical controller is adjusted through the control current;
the laser ranging sensor is used for emitting laser, and the laser reaches the inner wall of the converter through the adjusted optical controller;
wherein the optical controller is a galvanometer system. The laser rangefinder transmitter includes: the device comprises a laser ranging sensor, a current controller and an electric displacement platform;
the laser ranging sensor is arranged on the electric displacement platform;
the current controller sends control current, and the angle of the electric displacement platform is adjusted through the control current, so that laser emitted by the laser ranging sensor is controlled to completely cover the inner wall of the converter.
According to the laser thickness gauge of the converter provided by the invention, the laser ranging sensor is also used for:
receiving the return laser light passing through the optical controller;
and determining angle information and distance data of the returned laser according to the returned laser.
According to the laser thickness gauge for the converter provided by the invention, the laser thickness gauge for the converter further comprises: a backward laser ranging module;
the backward laser ranging module emits laser to the outer wall of the converter, receives the laser returned by the outer wall and acquires angle information and distance information of the laser returned by the outer wall;
and sending the angle information and the distance information of the laser returned by the outer wall to a data processing module.
According to the laser thickness gauge of the converter provided by the invention, the laser is as follows: laser in infrared band or laser in second laser level;
the laser of the second laser level is the laser of the second level which meets the safety of human eyes.
According to the laser thickness gauge for the converter provided by the invention, the laser thickness gauge for the converter further comprises: a liquid nitrogen cooling module;
when the laser ranging module comprises a laser ranging transmitter, the distance between the laser ranging module and the converter is 4 meters;
and the liquid nitrogen cooling module is used for cooling the laser ranging module.
According to the laser thickness gauge for the converter provided by the invention, when the laser ranging module comprises three laser ranging emitters, the distance between the laser ranging module and the converter is 50 meters, and the distance between every two laser ranging emitters is 23 meters.
According to the laser thickness gauge for the converter provided by the invention, when the laser ranging module comprises three laser ranging emitters, the distance between the laser ranging module and the converter is 20 meters, and the distance between every two laser ranging emitters is 7.5 meters.
According to the converter laser thickness gauge provided by the invention, the data processing module is also used for carrying out three-dimensional imaging according to the angle information and the distance information of the returned laser of each laser distance measuring emitter to obtain a three-dimensional image of the inner wall of the converter. According to the laser thickness gauge for the converter, laser is emitted through the laser ranging module, the distances and angles of different angles and different positions of the inner wall of the converter are measured at the same time, the data processing algorithm is used for real-time three-dimensional modeling, the distance and angle data of each point of the complete furnace lining are obtained, and the algorithm processes and compares each point of the original furnace lining to obtain accurate information of the thickness of the furnace lining, so that the converter is guided to be subjected to slag splashing and furnace protection on site, and the purposes of prolonging the service life of the converter, saving energy and reducing emission are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is one of the schematic structural diagrams of a laser thickness gauge of a converter provided by the invention;
FIG. 2 is a schematic diagram of the mechanism of the laser range finder provided by the present invention;
FIG. 3 is a second schematic structural view of a laser thickness gauge of a converter according to the present invention;
fig. 4 is a third schematic structural diagram of a converter laser thickness gauge provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.
The converter laser thickness gauge of the present invention will be described below with reference to fig. 1 to 4.
Fig. 1 is a schematic structural diagram of a converter laser thickness gauge provided by the present invention, as shown in fig. 1, including: the device comprises a laser ranging module 1 and a data processing module 2;
the laser ranging module 1 is used for emitting laser to the inner wall of the converter, and the laser completely covers the inner wall of the converter;
the laser ranging module 1 is further configured to receive a return laser, and acquire angle information and distance data of the return laser;
and the data processing module 2 is used for obtaining the thickness data of the inner wall of the converter according to the angle information and the distance data.
The laser ranging module in the application realizes functions through a laser ranging transmitter, and the laser ranging transmitter can specifically select a pulse type laser ranging transmitter or a phase method laser ranging transmitter; the pulse laser distance measuring emitter emits one or one sequence of short pulse laser beams to the target during operation, the laser distance measuring emitter receives the laser beams reflected by the target, and the timer measures the time from emitting to receiving of the laser beams and calculates the distance from the observer to the target. The phase method laser distance measuring transmitter detects a distance by detecting a phase difference occurring when transmitted light and reflected light propagate in a space. The laser distance measuring transmitter has light weight, small volume, simple operation, high speed and accuracy. The laser ranging module in this application sets up in the below of converter mouth, needs keep suitable distance with the converter to avoid the higher temperature of converter to the influence of laser ranging module.
After the laser ranging module determines the inner wall of the converter, the laser ranging module can control the laser emitted by the laser ranging emitter to cover different positions of the inner wall of the converter, so that the inner wall of the converter is completely covered.
And then the laser ranging module can also obtain the returned laser returned from the inner wall of the converter along the original light path, obtain the angle information and the distance data of the returned laser, perform data analysis on the angle information and the distance data of the returned laser to obtain the real-time three-dimensional shape of the inner wall of the converter, and obtain complete thickness data of the inner wall of the converter by comparing each point of the original lining data by the computer.
The invention relates to a data processing process of a computer comparing with a converter model for data processing, which belongs to a common algorithm in the prior art, is not particularly limited, and all models capable of realizing the calculation of the wall thickness in the converter can be applied to the scheme.
The invention emits laser through the laser ranging module, simultaneously measures the distances and angles of different angles and different positions of the inner wall of the converter, obtains the distance and angle data of each point of the complete furnace lining by using a data processing algorithm for real-time three-dimensional modeling, and obtains accurate information of the thickness of the furnace lining by processing and comparing each point of the original furnace lining through the algorithm, thereby guiding the converter to carry out slag splashing and furnace protection on site, and achieving the purposes of prolonging the service of the converter, saving energy and reducing emission.
In one embodiment, the laser ranging module includes: one or more laser range emitters.
Specifically, the laser coverage of the inner wall of the converter can be realized through one laser ranging emitter, but the laser ranging emitter can be realized only when the laser ranging emitter is close to the converter, and the laser ranging emitter is cooled by matching with additional cooling equipment, so that the normal operation of the equipment can be ensured.
But the cooling device in this application can also be on demand as per the laser rangefinder module that is provided with a plurality of laser rangefinder emission appearance.
The laser coverage of the inner wall of the converter can be realized by a plurality of laser ranging transmitters, and the laser ranging transmitters are usually relatively far away from the converter, so that the influence of the high temperature of the converter on the laser ranging transmitters can be avoided while the complete laser coverage of the inner wall of the converter is realized. The complete laser coverage of the inner wall of the converter can be realized through one or more laser ranging transmitters, and multiple different choices are provided for actual production.
In one embodiment, when the laser ranging module comprises a plurality of laser ranging transmitters, the plurality of laser ranging transmitters simultaneously transmit laser to the inner wall of the converter;
the plurality of laser ranging transmitters are also used for receiving the return laser of each laser ranging transmitter at the same time, and the data processing module is used for processing the angle information and the distance information of the return laser of each laser ranging transmitter at the same time.
Specifically, under the condition that the laser distance measuring transmitter exists, in the process of measuring the inner wall of the same converter, lasers are transmitted simultaneously, so that the returned lasers are obviously received simultaneously, and the distances and angles of different angles and different positions of the inner wall of the converter can be measured simultaneously; and the data processing module is also used for processing the angle information and the distance data of the returned laser at the same time to finally obtain the thickness of the inner wall of the whole converter for integral analysis. In one embodiment, the laser range finder comprises:
the device comprises a laser ranging sensor, a current controller and an optical controller, wherein the optical controller is electrically connected with the laser ranging sensor and the current controller respectively;
the current controller sends a control current, and the optical controller is adjusted through the control current;
the laser ranging sensor is used for emitting laser, and the laser reaches the inner wall of the converter through the adjusted optical controller.
The laser rangefinder transmitter includes: the device comprises a laser ranging sensor, a current controller and an electric displacement platform;
the laser ranging sensor is arranged on the electric displacement platform;
the current controller sends control current, and the angle of the electric displacement platform is adjusted through the control current, so that laser emitted by the laser ranging sensor is controlled to completely cover the inner wall of the converter.
Fig. 2 is a schematic structural diagram of a laser distance measuring transmitter provided by the invention, which comprises a laser distance measuring sensor 21, a current controller 22 and an optical controller 23; when the device works, the laser ranging sensor 21 emits laser, the current controller 22 sends control current to the optical controller 23, so that the angle of the optical controller 23 is controlled, the angle of the laser passing through the optical controller 23 is adjusted, and the laser emitted by the laser ranging emitter can completely cover the inner wall of the converter;
wherein the optical controller is a galvanometer system.
The oscillating mirror system described in the invention inputs a control current, and an oscillating motor of the oscillating mirror can oscillate a certain angle according to a conversion ratio of a certain voltage and the angle, thereby realizing the control of the laser angle.
The optical controller described in the present invention may also be a rotating device with a lens, and the rotation of the rotating device is controlled by controlling the current, so as to adjust the lens and control the laser angle. More specifically, the laser range sensor is further configured to:
receiving the return laser light passing through the optical controller;
and determining angle information and distance data of the returned laser according to the returned laser.
After the emitted laser covers the inner wall of the converter, the reflected laser on the inner wall of the converter returns along the original optical path, the returned laser returns to the distance measuring sensor 21 after passing through the optical controller 23, the distance measuring sensor 21 can further give the distance and angle data of the returned laser,
the laser ranging transmitter controls the angle of the optical controller through the current controller, so that the angle of the laser transmitted by the laser ranging sensor is adjusted, the transmitted laser can completely cover the inner wall of the converter, and the thickness of the prepared inner wall of the converter can be obtained.
In an embodiment, the converter laser thickness gauge further includes: a backward laser ranging module;
the backward laser ranging module emits laser to the outer wall of the converter, receives the laser returned by the outer wall and acquires angle information and distance information of the laser returned by the outer wall;
and sending the angle information and the distance information of the laser returned by the outer wall to a data processing module.
Fig. 3 is a second schematic structural diagram of the converter laser thickness gauge provided by the present invention, as shown in fig. 3, including: the system comprises a converter 31, a laser ranging module 32, a data processing module 33 and a backward laser ranging module 34;
the backward laser ranging module 34 has the same structure as the laser ranging module 32, and includes one or more laser ranging transmitters, which can be disposed on the side of the converter, transmit laser capable of covering the outer wall of the converter to the outer wall of the converter, receive the laser returned from the outer wall, acquire angle information and distance information of the laser returned from the outer wall, and transmit the angle information and distance information of the laser returned from the outer wall to the data processing module 33; and the data processing module 33 can combine the data of the reflected laser from the inner wall sent by the laser ranging module 32 and the reflected laser from the outer wall sent to the laser ranging module 34, so as to obtain more accurate converter information.
The invention can further realize the measurement of the outer wall of the converter by adding the backward laser ranging module 34, so that the information measured by the converter is richer and more accurate.
In another embodiment, the laser is: laser in infrared band or laser in second laser level;
the laser of the second laser level is the laser of the second level which meets the safety of human eyes.
Specifically, the laser of infrared band is adopted in this application because it can realize the measurement effect of higher accuracy, and the precision of its measurement effect generally keeps at 1 mm.
The second laser level used in this application is selected to meet eye safety in view of the fact that during the measurement process, a person is still working around the drum, but in order to protect the eye safety.
The wave band of the laser emitted by the laser range finder described in the present application may be a common 635nm wave band or a common 905nm wave band, or may be a 650nm wave band, a 620-690nm wave band, a 630nm-670nm wave band, a 850nm wave band, or a 495nm-515nm wave band.
The laser type selection in the present invention further protects the safety of the human eye during the measurement process.
In an embodiment, the converter laser thickness gauge further includes: a liquid nitrogen cooling module;
when the laser ranging module comprises a laser ranging transmitter, the distance between the laser ranging module and the converter is 4 meters;
and the liquid nitrogen cooling module is used for cooling the laser ranging module.
Specifically, because the temperature near the converter is higher, and the laser rangefinder transmitter is the more accurate measuring instrument relatively, and it can't carry out work under long-time high temperature, and the laser rangefinder transmitter when including one in the laser rangefinder module, the laser rangefinder transmitter need be comparatively close to the converter, just can realize that the laser of converter inner wall covers completely.
However, under the condition that the laser ranging transmitter needs to be closer to the converter, the temperature of the laser ranging transmitter is too high, and the laser ranging module needs to be cooled.
According to the invention, the liquid nitrogen cooling module is adopted, so that the laser ranging module is prevented from being incapable of working normally due to high-temperature overheating.
In an embodiment, when the laser ranging module includes three laser ranging transmitters, the distance between the laser ranging module and the converter is 50 meters, and the distance between every two laser ranging transmitters is 23 meters.
In an embodiment, when the laser ranging module includes three laser ranging transmitters, the distance between the laser ranging module and the converter is 20 meters, and the distance between every two laser ranging transmitters is 7.5 meters.
Specifically, when the distance between the laser ranging module and the converter is adjusted, the distance between the laser ranging module needs to be adjusted correspondingly, so that the laser emitted by the laser ranging module can cover the whole inner wall of the converter.
Fig. 4 is a third schematic structural diagram of a converter laser thickness gauge provided by the present invention, as shown in fig. 4, including: a laser ranging module 41 and a data processing module 42; the laser ranging module 41 includes three laser ranging transmitters.
The invention can be suitable for realizing laser ranging under different requirements by combining the distances among various different laser ranging transmitters.
For example, when the converter is a large-sized steel making furnace, the distance between the laser ranging module 41 and the converter is 20 meters, the laser ranging module 41 includes three laser ranging transmitters, every two of the laser ranging transmitters are 7.5 meters apart, the emitted laser is the laser meeting the second level of eye safety, and the measurement precision of the laser ranging transmitters is ± 1 mm. Which ultimately determines converter thickness data from the reflected laser light.
In an embodiment, the data processing module is further configured to simultaneously obtain angle information and distance information of the returned laser beams from each laser range finder.
The angle information and the distance information of the returned laser of each laser ranging transmitter are processed simultaneously, and the method has simultaneity.
According to the invention, the measurement result can be observed more conveniently and the production work can be guided better by the three-dimensional imaging technology.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. A converter laser thickness gauge is characterized by comprising: the system comprises a laser ranging module and a data processing module;
the laser ranging module is used for emitting laser to the inner wall of the converter, and the laser completely covers the inner wall of the converter;
the laser ranging module is also used for receiving the returned laser and acquiring the angle information and the distance data of the returned laser;
and the data processing module is used for obtaining the thickness data of the inner wall of the converter according to the angle information and the distance data.
2. The laser thickness gauge of the converter according to claim 1, wherein the laser ranging module comprises: one or more laser range emitters.
3. The laser thickness gauge of the converter according to claim 2, wherein when the laser ranging module comprises a plurality of laser ranging transmitters, the plurality of laser ranging transmitters simultaneously transmit laser to the inner wall of the converter;
the plurality of laser ranging transmitters are also used for receiving the return laser of each laser ranging transmitter at the same time, and the data processing module is used for processing the angle information and the distance information of the return laser of each laser ranging transmitter at the same time.
4. The converter laser thickness gauge according to claim 2, wherein the laser ranging transmitter comprises:
the device comprises a laser ranging sensor, a current controller and an optical controller, wherein the optical controller is electrically connected with the laser ranging sensor and the current controller respectively;
the current controller sends a control current, and the optical controller is adjusted through the control current;
the laser ranging sensor is used for emitting laser, and the laser reaches the inner wall of the converter through the adjusted optical controller;
wherein the optical controller is a galvanometer system.
5. The converter laser thickness gauge according to claim 2, wherein the laser ranging transmitter comprises: the device comprises a laser ranging sensor, a current controller and an electric displacement platform, wherein the current controller is electrically connected with the electric displacement platform;
the laser ranging sensor is arranged on the electric displacement platform;
the current controller sends control current, and the angle of the electric displacement platform is adjusted through the control current, so that laser emitted by the laser ranging sensor is controlled to completely cover the inner wall of the converter.
6. The converter laser thickness gauge according to claim 4, wherein the laser ranging sensor is further configured to:
receiving the return laser light passing through the optical controller;
and determining angle information and distance data of the returned laser according to the returned laser.
7. The laser thickness gauge for converter according to claim 1, further comprising: a backward laser ranging module;
the backward laser ranging module emits laser to the outer wall of the converter, receives the laser returned by the outer wall and acquires angle information and distance information of the laser returned by the outer wall;
and sending the angle information and the distance information of the laser returned by the outer wall to a data processing module.
8. The laser thickness gauge for converter according to claim 2, further comprising: a liquid nitrogen cooling module;
when the laser ranging module comprises a laser ranging transmitter, the distance between the laser ranging module and the converter is 4 meters;
and the liquid nitrogen cooling module is used for cooling the laser ranging module.
9. The laser thickness gauge of claim 3, wherein when the laser ranging module comprises three laser ranging transmitters, the distance between the laser ranging module and the converter is 50 meters, and the distance between every two laser ranging transmitters is 23 meters.
10. The laser thickness gauge of claim 3, wherein when the laser ranging module comprises three laser ranging transmitters, the distance between the laser ranging module and the converter is 20 meters, and the distance between every two laser ranging transmitters is 7.5 meters.
11. The laser thickness gauge of the converter according to claim 3, wherein the data processing module is further configured to perform three-dimensional imaging according to angle information and distance information of the returned laser of each laser distance measuring transmitter, so as to obtain a three-dimensional image of the inner wall of the converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011379054.5A CN112462378A (en) | 2020-11-30 | 2020-11-30 | Laser thickness gauge for converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011379054.5A CN112462378A (en) | 2020-11-30 | 2020-11-30 | Laser thickness gauge for converter |
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| CN112462378A true CN112462378A (en) | 2021-03-09 |
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| CN202011379054.5A Pending CN112462378A (en) | 2020-11-30 | 2020-11-30 | Laser thickness gauge for converter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114317879A (en) * | 2022-01-26 | 2022-04-12 | 南京钢铁股份有限公司 | Method for controlling mouth-melting oxygen lance |
| CN112853033B (en) * | 2021-03-10 | 2023-10-13 | 柳州钢铁股份有限公司 | Efficient slag splashing intelligent control method and system based on furnace mouth image analysis |
-
2020
- 2020-11-30 CN CN202011379054.5A patent/CN112462378A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853033B (en) * | 2021-03-10 | 2023-10-13 | 柳州钢铁股份有限公司 | Efficient slag splashing intelligent control method and system based on furnace mouth image analysis |
| CN114317879A (en) * | 2022-01-26 | 2022-04-12 | 南京钢铁股份有限公司 | Method for controlling mouth-melting oxygen lance |
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