A temperature measuring recording and analyzing device for a blast furnace iron ladle and a use method and application thereof

Abstract

The application discloses a temperature measuring and recording and analyzing device for a blast furnace molten iron ladle and a use method and application thereof, relates to the technical field of blast furnace smelting, and solves the problems of low efficiency, inaccuracy, low safety and high cost of the existing manual detection and maintenance means for the blast furnace molten iron ladle.The device comprises a mounting frame arranged at the periphery of the blast furnace molten iron ladle, and a temperature measuring assembly for measuring the temperature of the molten iron ladle is arranged on the mounting frame; double-light infrared thermal imagers are arranged on the two sides of a railway weighbridge of the blast furnace molten iron ladle; a single infrared thermal imager is arranged on the front side of the railway weighbridge; and a ladle number identification system for ladle number identification is arranged on the railway weighbridge of the blast furnace molten iron ladle. The use method and application of the device are also provided. The device realizes automatic temperature measurement and recording of the blast furnace molten iron ladle, has simple structure, is convenient to install, and is widely applied.

Description

Technical Field

[0001] This invention relates to the field of blast furnace smelting technology, specifically to a temperature measurement, recording, and analysis device for blast furnace molten iron ladle, and its usage and application. Background Technology

[0002] In the field of blast furnace smelting technology, molten iron ladle is a key piece of equipment that will experience normal wear and tear during long-term operation, requiring regular inspection and maintenance management.

[0003] Currently, the maintenance of molten iron ladles is mainly carried out through manual inspection and maintenance, such as the following inspection information and methods: manual inspection: visual observation, relying on experience to observe whether there are abnormalities and perforations in the ladle wall; using infrared point thermometers to monitor and record the temperature; regular repair: judging the remaining number of uses of refractory materials based on the long-term use experience of workers, or performing regular hot repairs after the molten iron ladle has been used a certain number of times or for a certain period of time; manual management: generally relying on manual recording of molten iron ladles and the number of times they have been used, it is difficult to form a systematic management of the entire life cycle of molten iron ladles.

[0004] However, manual methods are prone to the following problems: oversights in inspection, biases in experience-based judgment, and unscientific methods such as recording the number of times the molten iron ladle has been used; these methods can easily lead to leaks in the molten iron ladle, causing safety accidents. Using infrared thermometers for temperature measurement and recording results in incomplete temperature readings of the molten iron ladle, easily creating blind spots; personnel may be negligent in temperature measurement, leading to inaccurate data recording; the temperature measurement points of each person cannot be completely standardized, making it impossible to accurately track the temperature data of the molten iron ladle; there are safety risks, easily causing personal injury accidents; temperature measurement and experience data cannot accurately determine the maintenance status of the molten iron ladle, resulting in inaccurate analysis, reduced lifespan of the molten iron ladle, and increased maintenance and operating costs; deviations in refractory material quality cannot be detected in time by manual temperature measurement, leading to temperature rise and leaks.

[0005] In summary, manual inspection and maintenance suffer from problems such as high cost, low safety, inaccurate measurement, and low efficiency. Summary of the Invention

[0006] The purpose of this invention is to solve the problems of low efficiency, inaccuracy, safety concerns, and high cost of existing manual inspection and maintenance methods for blast furnace molten iron ladle filling, and to provide a temperature measurement, recording, and analysis device for blast furnace molten iron ladle, as well as its usage and application.

[0007] To achieve the above objectives, the present invention specifically adopts the following technical solution: First, the present invention provides a temperature measurement, recording, and analysis device for blast furnace molten iron ladles, including a mounting frame disposed on the outer periphery of the blast furnace molten iron ladle, wherein a temperature measuring component for measuring the temperature of the molten iron ladle is disposed on the mounting frame; dual-light infrared thermal imagers are respectively disposed on both sides of the mounting frame near the blast furnace molten iron ladle weighbridge; a single infrared thermal imager is disposed on the mounting frame near the front side of the weighbridge; and a ladle number identification system for ladle number identification is disposed on the mounting frame near the weighbridge.

[0008] Furthermore, the temperature measurement component includes a dual-light air-cooled infrared thermal imager and a single infrared thermal imager.

[0009] Furthermore, the single infrared thermal imager and the two dual-light infrared thermal imagers are at an angle of 0 to 90°.

[0010] Furthermore, the dual-light wind-cooled infrared thermal imager and the single infrared thermal imager are both 640 480 resolution and above.

[0011] Furthermore, two single infrared thermal imagers are installed near the bottom of the railway scale on the mounting frame, with the two single infrared thermal imagers aligned from both ends toward the center.

[0012] Furthermore, a preset number of tank number recognition cameras are installed near each iron outlet and repair station on the mounting frame.

[0013] Furthermore, the preset quantity is 1 to 3.

[0014] Furthermore, the can number identification camera is connected to compressed air or nitrogen near the iron opening.

[0015] A method for using the temperature recording and analysis device based on the above-mentioned blast furnace molten iron ladle is also provided, including the following steps: S1. Turn on the device, use the temperature measuring component to measure the temperature of the molten iron ladle, and record the data; S2. Turn on the dual-light infrared thermal imagers near both sides of the railway scale and the single infrared thermal imager near the front of the railway scale to monitor and record the temperature around the ladle. S3. Turn on the single infrared thermal imager near the bottom of the railway scale to monitor and record the temperature of the bottom of the iron ladle; S4. Activate the tank number recognition system to identify tank numbers.

[0016] The application of a temperature recording and analysis device based on the above-mentioned blast furnace molten iron ladle is also provided, the device being used for blast furnace smelting.

[0017] Compared with the prior art, the advantages of the present invention are as follows: 1. The present invention relates to a temperature measurement, recording, and analysis device for blast furnace molten iron ladles. This device utilizes a mounting frame installed around the molten iron ladle, with temperature measurement components and a ladle number identification system mounted on the frame. Dual-light infrared thermal imagers are installed on both sides of the railway scale, and a single infrared thermal imager is installed at the front. This achieves automated temperature measurement and recording of blast furnace molten iron ladles. The device has a simple structure, is easy to install, and has a wide range of applications. It solves the problems of low efficiency, inaccuracy, and high cost and safety issues associated with existing manual inspection and maintenance methods for blast furnace molten iron ladles.

[0018] 2. The method of using the temperature measurement and recording device for blast furnace molten iron ladle involved in this invention achieves high-efficiency temperature measurement and recording by optimizing the structural settings of the temperature measurement and recording device for blast furnace molten iron ladle loading. The method of use is simple and convenient, and it has a wide range of applications, thus possessing superior advantages.

[0019] 3. The application of the temperature measurement, recording and analysis device for blast furnace molten iron ladle involved in this invention has a wide range of applications.

[0020] The objectives, technical solutions, and advantages of the embodiments of the present invention will become clearer. The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments. Attached Figure Description Figure 1 This is a schematic diagram of the blast furnace molten iron loading temperature measurement, recording, and analysis device provided by the present invention.

[0021] 1-Iron filling machine, 2-Mounting frame, 3-Dual-light air-cooled infrared thermal imager, 4-Machine number recognition camera, 5-Single infrared thermal imager, 6-Machine number recognition system.

[0022] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention. Detailed Implementation

[0023] First, this invention provides a temperature measurement, recording, and analysis device for blast furnace molten iron ladle. Please refer to [link to relevant documentation]. Figure 1 The system includes an installation frame 2 set around the outer periphery of the blast furnace molten iron loading ladle 1, the installation frame 2 being equipped with a temperature measuring component for measuring the temperature of the molten iron loading ladle 1; dual-light infrared thermal imagers 3 being respectively installed on both sides of the installation frame 2 near the railway scale of the blast furnace molten iron loading ladle 1; a single infrared thermal imager being installed on the installation frame 2 near the front side of the railway scale; and a ladle number identification system 6 being installed on the installation frame 2 near the railway scale for ladle number identification.

[0024] It is understood that the temperature measurement, recording, and analysis device for blast furnace molten iron ladles involved in this invention, by setting up a mounting frame installed on the outer periphery of the molten iron ladle and equipping the mounting frame with temperature measuring components and a ladle number identification system, and by setting dual-light infrared thermal imagers on both sides of the railway scale and a single infrared thermal imager on the front, achieves automated temperature measurement and recording of blast furnace molten iron ladles. The device has a simple structure, is easy to install, and has a wide range of applications. It solves the problems of low efficiency, inaccuracy, and high cost and safety issues associated with existing manual inspection and maintenance methods for blast furnace molten iron ladles.

[0025] In some embodiments of the present invention, please refer to Figure 1 The temperature measurement component includes a dual-light air-cooled infrared thermal imager 3 and a single infrared thermal imager.

[0026] In some embodiments of the present invention, the single infrared thermal imager and the two dual-light infrared thermal imagers are at an angle of 0 to 90°.

[0027] In some embodiments of the present invention, the dual-light wind-cooled infrared thermal imager and the single infrared thermal imager are 640. 480 resolution and above.

[0028] 640 The combined use of dual-light air-cooled infrared thermal imagers with a resolution of 480 or higher and single infrared thermal imagers allows for comprehensive temperature measurement of molten iron being poured into ladles, covering a wide area.

[0029] In some embodiments of the present invention, please refer to Figure 1 The mounting frame 2 has two single infrared thermal imagers 5 positioned near the bottom of the railway scale, aligned from both ends towards the center. These imagers are used to monitor the temperature of the bottom of the ladle.

[0030] In some embodiments of the present invention, please refer to Figure 1 A preset number of ladle number recognition cameras 4 are installed near each molten iron outlet and ladle repair position on the mounting frame 2. The ladle number recognition cameras 4 are used to identify the ladle number of the molten iron being inspected.

[0031] In some embodiments of the present invention, the preset quantity is 1 to 3. Preferably, it is 2.

[0032] In some embodiments of the present invention, compressed air or nitrogen is supplied to the area near the taphole of the ladle number identification camera 4. Since the operating temperature of the equipment at the bottom of the ladle is relatively high, compressed air or nitrogen is supplied to achieve purposes such as cooling the equipment and removing dust from the front lens.

[0033] In some embodiments of the present invention, an automatic closing device is added to prevent corrosion from dust and rainwater, thus extending the service life of the equipment. Ultimately, this achieves real-time positioning, tracking, and automatic scheduling of the molten iron ladle.

[0034] In some embodiments of the present invention, an alarm triggering and logic module is set in the system. When the target temperature triggers the alarm logic, the system will automatically sound an alarm, and the alarm information can be automatically prioritized. The system can define various alarm logics such as high temperature alarm and temperature rise alarm to achieve flexible and highly adaptable alarm conditions.

[0035] It should be noted that the dual-light infrared thermal imager, single infrared thermal imager, tank number identification system, dual-light air-cooled infrared thermal imager, tank number identification camera, automatic closing device, alarm trigger and logic module and other equipment in the system are all commercially available.

[0036] A method for using the temperature recording and analysis device based on the above-mentioned blast furnace molten iron ladle is also provided, including the following steps: S1. Turn on the device, use the temperature measuring component to measure the temperature of the molten iron ladle, and record the data; S2. Turn on the dual-light infrared thermal imagers near both sides of the railway scale and the single infrared thermal imager near the front of the railway scale to monitor and record the temperature around the ladle. S3. Turn on the single infrared thermal imager near the bottom of the railway scale to monitor and record the temperature of the bottom of the iron ladle; S4. Activate the tank number recognition system to identify tank numbers.

[0037] It is understood that the method of using the temperature measurement and recording device for blast furnace molten iron ladle involved in this invention achieves high-efficiency temperature measurement and recording by optimizing the structural settings of the temperature measurement and recording device for blast furnace molten iron ladle loading. The method of use is simple and convenient, and it has a wide range of applications, thus possessing superior advantages.

[0038] The application of a temperature recording and analysis device based on the above-mentioned blast furnace molten iron ladle is also provided. This device is used in blast furnace smelting and has a wide range of applications.

[0039] Example 1 1. Add 640 A dual-light air-cooled infrared thermal imager with a resolution of 480 or higher is used in combination with a single infrared thermal imager to perform comprehensive temperature measurement on molten iron ladles and record the data. 2. Install a dual-light infrared thermal imager on each side of the railway scale to detect the temperature and identify the ladle number, and install a single infrared thermal imager at an angle with the other two to monitor and record the temperature of the ladle 360° without blind spots. 3. Two single infrared thermal imagers are used on the bottom of the inside of the railway scale, aligned from both ends toward the center, to monitor the temperature of the bottom of the ladle; 4. Ladle Number Identification: The ladle number of the molten iron ladle being inspected is identified using the installed molten iron scale ladle number identification system.

[0040] 5. Blast Furnace Taphole: Two ladle number recognition cameras are used at each taphole track and ladle repair position to detect and identify the ladle number on both sides of the taphole track in real time. Compressed air or nitrogen is connected to the taphole to achieve equipment cooling and dust removal for the front lens. Ultimately, this achieves real-time positioning, tracking, and automatic scheduling of the molten iron ladle.

[0041] 6. For both sides of the track scales on railway lines T2 and T3: 640 gauge steel should be used. Dual-light air-cooled infrared thermal imagers with a resolution of 480 or higher, and single infrared thermal imagers. One dual-light infrared thermal imager is installed on each side of the railway scale to detect temperature and identify the ladle number, and one single infrared thermal imager is installed on each side. The combined travel angle of the two imagesrs allows for 360° monitoring of the ladle temperature without blind spots.

[0042] 7. Bottom Measurement of the Railway Weighbridge: Two single infrared thermal imagers are used at the bottom, aligned from both ends towards the center, to monitor the temperature of the bottom of the ladle. Considering the high operating temperature of the equipment at the bottom, compressed air or nitrogen is used to cool the equipment and remove dust from the front lenses. An automatic closing device is also installed to prevent dust and rainwater corrosion and extend the equipment's service life.

[0043] 8. Tank Number Identification: The tank number identification function is realized by connecting the signal to this system through field identification equipment.

[0044] 9. Alarm Triggering and Logic: When the target temperature triggers the alarm logic, the system will automatically sound an alarm, and alarm information can be automatically prioritized. The system can define various alarm logics such as high temperature alarm and temperature rise alarm, realizing flexible and highly adaptable alarm conditions.

[0045] 10. Risk Warning: After molten iron is transported in the ladle, thermal imaging images of the outer surface of the ladle and analysis by backend software can reveal changes in the wear of the inner lining, allowing for timely maintenance. Furthermore, the continuous statistical data enables us to evaluate the maintenance status of the ladle.

[0046] 11. Fault Diagnosis: When a terminal device malfunctions, the system can alert the on-duty personnel. If the device malfunctions due to a power outage or network disconnection, the system can troubleshoot and restore the device itself once the network connection is restored.

[0047] 12. Video Recording and Storage: The system automatically saves abnormal images and records data such as the time of the failure, facilitating post-incident statistics, analysis, and troubleshooting. Data storage time can be customized according to requirements.

[0048] 13. Data Query: You can query the usage frequency and changes in measurement data for a single tanker truck daily, weekly, monthly, yearly, or custom time periods.

[0049] 14. Data Export: The alarm information recorded by the system and the statistical data generated can be exported in no less than four data formats, such as excel, db, txt and mdb.

[0050] 15. Temperature Analysis: Each time molten iron passes through the measuring system, a measurement can be performed. Identical ladles have a comparative function, showing the temperature difference increase between each measurement. The system features a ℃ alarm with manually adjustable alarm ranges. Furthermore, the software monitors the temperature of various areas of the molten iron ladle wall and displays the highest temperature curve in real time. The trend of this curve is used to determine if the ladle is experiencing any abnormalities.

[0051] 16. Tank Status Settings: Allows manual setting of various statuses for each tank, with status categories and summaries. Examples include: new tank baking, online operation, cold inspection, overhaul dismantling, standby, construction, maintenance, hot standby, testing, etc., along with location information.

[0052] 17. Tank Information Management: Tank files can be created, and information such as manufacturing date, commissioning date, and tank number assigned by the manufacturer can be entered. Information can be modified as needed.

[0053] 18. Automatic tank number recognition: The tank number is automatically recognized and matched with the tank truck temperature. Based on the number of times it passes through, the usage frequency of a single tank truck can be known, which can provide accurate data support for the life cycle management of tank trucks.

[0054] 19. Secondary Development: Provide a complete SDK development package, detailed development instructions and source code, support secondary development, and ensure that the functions meet the requirements specified by the client.

[0055] 20. Multiple temperature measurement modes: Points, lines, and surfaces can be set on the screen, and areas of interest can be selected to display the highest temperature, average temperature, and lowest temperature of that area.

[0056] 21. Data Summary: Based on thermal imaging temperature analysis and tank truck license plate identification technology, establish a complete tank truck lifecycle management system to collect data on the frequency of tank truck use, temperature changes, number of safe uses and time, providing a basis for maintenance and formulating appropriate lining maintenance plans.

[0057] 22. Remote alarm: When paired with an IoT cloud platform, alarms can be remotely pushed to the WeChat platform, allowing off-site personnel to promptly access on-site safety production information for molten iron ladles.

[0058] 23. Remote real-time and video push: When paired with an IoT cloud platform, it can push on-site infrared images and videos to any remote Internet-connected device (PC, mobile phone, PAD), making it convenient for off-site personnel to view on-site infrared thermal imaging images anytime, anywhere.

[0059] Scalable cloud platform: The system can be equipped with an "Intelligent IoT Cloud Platform" to expand its functionality, such as data statistics and analysis, WeChat alarm push notifications, remote infrared image push notifications, and remote video recording push notifications. This allows relevant personnel to monitor the on-site safety status of the molten iron ladle in a timely, anytime, and anywhere manner, even in off-site environments.

[0060] It can be achieved: 1. Comprehensive real-time all-weather detection: Infrared thermal imagers can be used to measure the temperature of molten iron ladles entering the temperature measurement area in real time around the clock, covering the entire image area; 2. Automatic identification of ladle number information: The ladle number is obtained through image recognition, and the basic information, operating status, number of runs and abnormal records of molten iron ladles are managed automatically and digitally.

[0061] 3. Infrared thermal imaging display: Real-time display of full-radiation infrared thermal images of all detection points on site, allowing control center personnel to view the real-time temperature of any location at any detection point at any time; 4. High Temperature Tracking: Real-time and automatic display of the highest temperature point and temperature data in the global area or the temperature measurement area, improving the efficiency of potential hazard detection; 5. Automatic alarm and alarm definition: When the temperature in the detection area triggers the alarm condition, an alarm is automatically generated. The alarm is highlighted in advance for easy and intuitive discovery. The alarm logic can be set to over-temperature alarm, temperature rise alarm, etc., which is flexible and highly adaptable. 6. Recording and storage: With a storage device, all infrared thermal imaging images can be recorded in real time. Recording time can be adjusted as needed, and space is reserved for storing 3 months of data. 7. Audible and visual alarm: The equipped audible and visual alarm can be triggered by abnormalities to remind personnel to pay attention in time and avoid overlooking or omitting anything; 8. Remote alarm information push: The optional cloud platform enables the push of on-site alarm information to the mobile phones of designated personnel, so that off-site personnel can receive timely reminders of abnormal on-site conditions. 9. It can greatly improve the timeliness of detecting safety hazards during the transportation of molten iron ladles. Early detection of hazards allows for timely reporting, investigation, and resolution, preventing direct accidents. 10. Reduce the intensity of on-site manual inspections and improve the effectiveness of inspections through system feedback information; 11. Use an infrared thermal imager to measure the temperature of the outer wall of the molten iron ladle at the front end to determine the corrosion of its inner lining. By continuously recording the temperature of the wall of the same molten iron ladle over time, a trend analysis of its corrosion can be performed to classify the molten iron ladle for safety and issue timely alarms to ensure production safety. 12. Establish a comprehensive lifecycle management system for molten iron ladles. The system automatically identifies the ladle number, manages the ladle numbers uniformly, and saves the data from each inspection and identification in the database. Based on historical data, the system analyzes the usage and wear of the molten iron ladles.

[0062] Example 2 In this embodiment, a temperature measurement, recording, and analysis device for blast furnace molten iron ladles is provided. It includes a mounting frame disposed around the outer periphery of the blast furnace molten iron ladle, on which a temperature measuring component for measuring the temperature of the molten iron ladle is mounted. Dual-light infrared thermal imagers are respectively installed on both sides of the mounting frame near the blast furnace molten iron ladle weighbridge. A single infrared thermal imager is installed on the mounting frame near the front of the weighbridge. A ladle number identification system for ladle number identification is installed on the mounting frame near the weighbridge. The temperature measuring component includes a dual-light air-cooled infrared thermal imager and a single infrared thermal imager. The single infrared thermal imager and the two dual-light infrared thermal imagers form an angle of 0-90°. The dual-light air-cooled infrared thermal imager and the single infrared thermal imager are 640°. Resolution of 480 or higher. Two single infrared thermal imagers are installed on the mounting frame near the bottom of the railway scale, aligned from both ends towards the center. Two can number recognition cameras are installed on the mounting frame near each iron outlet and repair position. The preset number is 1 to 3. Compressed air or nitrogen is connected to the can number recognition cameras near the iron outlet.

[0063] Example 3 Based on Example 2, a method for using a temperature measurement, recording, and analysis device for blast furnace molten iron ladle is provided, comprising the following steps: S1. Turn on the device, use the temperature measuring component to measure the temperature of the molten iron ladle, and record the data; S2. Turn on the dual-light infrared thermal imagers near both sides of the railway scale and the single infrared thermal imager near the front of the railway scale to monitor and record the temperature around the ladle. S3. Turn on the single infrared thermal imager near the bottom of the railway scale to monitor and record the temperature of the bottom of the iron ladle; S4. Activate the tank number recognition system to identify tank numbers.

[0064] Example 4 Based on Embodiment 2, an application of a temperature measurement, recording, and analysis device for blast furnace molten iron ladle is provided, the device being used in blast furnace smelting.

[0065] The above embodiments are merely one implementation of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims.

Claims

1. A temperature measurement, recording, and analysis device for a blast furnace molten iron ladle, characterized in that: The system includes an installation frame set around the outer perimeter of the blast furnace molten iron ladle, on which a temperature measuring component for measuring the temperature of the molten iron during ladle loading is installed; dual-light infrared thermal imagers are respectively installed on both sides of the installation frame near the blast furnace molten iron ladle weighing scale; a single infrared thermal imager is installed on the installation frame near the front of the weighing scale; and a ladle number identification system for ladle number identification is installed on the installation frame near the weighing scale.

2. The temperature measurement, recording, and analysis device for a blast furnace molten iron ladle according to claim 1, characterized in that: The temperature measurement component includes a dual-light air-cooled infrared thermal imager and a single infrared thermal imager.

3. The temperature measurement, recording, and analysis device for a blast furnace molten iron ladle according to claim 1, characterized in that: The single infrared thermal imager and the two dual-light infrared thermal imagers are at an angle of 0 to 90°.

4. The temperature measurement, recording, and analysis device for a blast furnace molten iron ladle according to claim 2, characterized in that: The dual-light wind-cooled infrared thermal imager and the single infrared thermal imager are 640. 480 resolution and above.

5. The temperature measurement, recording, and analysis device for a blast furnace molten iron ladle according to claim 1, characterized in that: The mounting frame is equipped with two single infrared thermal imagers near the bottom of the railway scale, with the two single infrared thermal imagers aligned from both ends toward the center.

6. The temperature measurement, recording, and analysis device for a blast furnace molten iron ladle according to claim 1, characterized in that: The mounting frame is equipped with a preset number of tank number recognition cameras near each iron outlet and repair station.

7. The temperature measurement, recording, and analysis device for a blast furnace molten iron ladle according to claim 6, characterized in that: The preset quantity is 1 to 3.

8. The temperature measurement, recording, and analysis device for a blast furnace molten iron ladle according to claim 6, characterized in that: The can number identification camera is connected to compressed air or nitrogen near the iron tap.

9. The method of using the temperature measurement, recording, and analysis device for a blast furnace molten iron ladle according to any one of claims 1-8, characterized in that, Includes the following steps: S1. Turn on the device, use the temperature measuring component to measure the temperature of the molten iron ladle, and record the data; S2. Turn on the dual-light infrared thermal imagers near both sides of the railway scale and the single infrared thermal imager near the front of the railway scale to monitor and record the temperature around the ladle. S3. Turn on the single infrared thermal imager near the bottom of the railway scale to monitor and record the temperature of the bottom of the iron ladle; S4. Activate the tank number recognition system to identify tank numbers.

10. The application of the temperature measurement, recording, and analysis device for a blast furnace molten iron ladle according to any one of claims 1-8, characterized in that: The device is used for blast furnace smelting.

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