Tundish control system before continuous casting start

Abstract

The embodiment of the application provides a continuous casting tundish control system before casting, and relates to the field of continuous casting. The tundish control system before casting can improve the safety and low efficiency of the preparation operation of the tundish before the continuous casting machine starts casting. The continuous casting tundish control system before casting comprises a controller and a stopper slip adjustment device. The stopper slip adjustment device comprises a first mechanical arm electrically connected with the controller. The first mechanical arm is provided with an edge detection end face, a first camera and a stopper adjustment wrench. The edge detection end face and the camera are used for positioning and photographing the relative position of the stopper head and the nozzle bowl part together, obtaining a first photographed image, and the controller is used for controlling the stopper adjustment wrench according to the first photographed image. Through automation, the system controls the automatic baking of the tundish refractory, the robot replaces the worker to detect the baking quality of the submerged nozzle, and the stopper slip is adjusted. The system protects the physical and mental health of the workers, reduces the labor intensity of the workers, improves the efficiency of the nozzle inspection and the stopper adjustment, and reduces the accident rate.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of continuous casting, in particular, to a tundish control system before continuous casting. BACKGROUND

[0002] Before the production of continuous casting machine, the main contents of tundish preparation operation are: tundish refractory roasting, tundish submerged entry nozzle roasting quality inspection confirmation, tundish stopper slip device confirmation and adjustment.

[0003] During the whole tundish preparation (refractory roasting, nozzle inspection, stopper adjustment) operation, personnel must be in the area of harmful gas of coal gas; especially the tundish after roasting, the temperature of the refractory working layer reaches 1200℃, the workers are in the high-temperature dangerous area, and the body is inevitably subjected to the risk of high-temperature radiation and scalding; among them, the tundish roasted to 1200℃, the package condition is checked by naked eye, and the bright light is strong and can hurt the eyes; and the nozzle is vertically installed, in order to observe whether there is blockage in the channel of the nozzle, the operator also has to bend down and lie on the ground to check with naked eye, and once there is foreign matter falling, it is also easy to hurt the eyes. Finally, the workers stand on the tundish cover after roasting to adjust the stopper slip operation, which is more dangerous under the radiation of heat.

[0004] In addition, the detection of tundish submerged entry nozzle operation (including submerged entry nozzle temperature detection, nozzle channel inspection, channel blockage foreign matter cleaning), stopper slip adjustment operation must have a certain timeliness, and long time consumption will affect the tundish casting of molten steel and the temperature of the nozzle, and the rapid cooling and heating of the nozzle can easily cause the nozzle to be perforated or even cracked, and further cause the tundish casting or production process refractory abnormal accident. And the manual detection of nozzle and stopper slip will inevitably have deviation, and even improper operation due to negligence will worsen the stopper slip, and even the nozzle and stopper itself may be damaged, which puts high requirements on the body and psychology of workers. SUMMARY

[0005] The purpose of the present application includes, for example, to provide a tundish control system before continuous casting, which can improve the safety and efficiency of the tundish preparation operation before the continuous casting machine.

[0006] Embodiments of the present application can be implemented as follows:

[0007] Embodiments of the present application provide a tundish control system before continuous casting, comprising a controller and a stopper slip adjustment device.

[0008] The stopper slip adjustment device comprises a first mechanical arm electrically connected with the controller, the first mechanical arm is provided with a edge detection end face, a first camera and a stopper adjustment wrench, the controller is used for controlling the first mechanical arm to move to correspond to the stopper to be adjusted, the edge detection end face and the camera are used for jointly positioning and photographing the relative position of the stopper head and the water gap bowl part to obtain a first photographed image, and the controller is used for controlling the stopper adjustment wrench to adjust the stopper according to the first photographed image and a first comparison image.

[0009] In addition, the intermediate ladle control system before continuous casting and opening pouring provided by the embodiment of the present application can also have the following additional technical features:

[0010] Optionally, the controller is used for controlling the stopper adjustment wrench to retract in the case that the distance between the outer arc edge of the stopper head and the outer arc edge of the water gap bowl part in the first photographed image is greater than 3mm or less than 5mm.

[0011] The controller is used for controlling the stopper adjustment wrench to loosen or tighten the screw of the stopper and rotate the stopper in the case that the distance between the outer arc edge of the stopper head and the outer arc edge of the water gap bowl part in the first photographed image is less than 3mm or greater than 5mm, and then the first photographed image and the first comparison image are obtained again, and the stopper adjustment wrench is controlled to adjust the stopper until the distance between the outer arc edge of the stopper head and the outer arc edge of the water gap bowl part is greater than 3mm or less than 5mm.

[0012] Optionally, the stopper slip adjustment device further comprises a first row track, the first row track extends from a detection position of the intermediate ladle to a pouring position, and the first mechanical arm is movably arranged on the first row track, and the first mechanical arm moves and stops in turn to correspond to different stoppers in the intermediate ladle along the first row track to adjust the positions of the different stoppers.

[0013] Optionally, the intermediate ladle control system before continuous casting and opening pouring further comprises an immersed water gap baking quality inspection device, the immersed water gap baking quality inspection device comprises a second mechanical arm and an alarm device electrically connected with the controller.

[0014] The second mechanical arm is provided with a positioning probe and a temperature measurement port, the controller is used for controlling the second mechanical arm to move to correspond to the immersed water gap to be inspected, the positioning probe is used for edge detection positioning along the edge of the immersed water gap and transmitting edge detection positioning data to the controller, the controller is used for controlling the temperature measurement port to measure the temperature of the immersed water gap and obtaining temperature measurement data according to the temperature measurement port deeply into the immersed water gap according to the edge detection positioning data, and the controller is used for controlling the alarm device according to the temperature measurement data.

[0015] Optionally, the controller is configured to control the alarm device to alarm when the temperature represented by the temperature measurement data is less than a standard water gap baking temperature value.

[0016] Optionally, the second mechanical arm is further provided with a photographing end face and a cleaning device; the controller is configured to control the photographing end face to photograph the water gap inner channel from below the submerged water gap to obtain a second photographing image according to the edge positioning data; and the controller is configured to control the cleaning device to dredge the water gap inner channel when the completeness of the cross section of the water gap inner channel represented by the second photographing image is less than 85%, and then control the photographing end face to photograph the water gap inner channel again until the completeness of the cross section of the water gap inner channel represented by the second photographing image is greater than or equal to 85%, and then control the second mechanical arm to retract.

[0017] Optionally, the submerged water gap baking quality inspection device further comprises a second track, the second track extending from the baking position of the tundish to the casting position, and the second mechanical arm is arranged on the second track.

[0018] Optionally, the tundish control system before continuous casting start-up further comprises a tundish refractory baking device.

[0019] The tundish refractory baking device comprises a tundish and an online temperature measurement instrument and a remote ignition burner arranged in the tundish; the online temperature measurement instrument and the remote ignition burner are electrically connected with the controller; the online temperature measurement instrument is configured to detect the real-time temperature of the refractory in the tundish, and the remote ignition burner is configured to be ignited remotely under the control of the controller; the controller is configured to control the baking parameters of the remote ignition burner according to the real-time temperature and a preset baking curve, so that the tundish refractory reaches a target temperature; and the parameters of the preset baking curve comprise a time period, a gas flow, a fuel-air ratio and a target temperature.

[0020] Optionally, the online temperature measurement instrument is arranged at any one of the two ends of the tundish.

[0021] Optionally, the online temperature measurement instrument is an infrared online temperature measurement gun or a plug-in probe temperature measurement instrument.

[0022] The continuous casting start-up tundish control system has the following advantages, for example:

[0023] The continuous casting opening pouring intermediate ladle control system comprises a controller and a stopper slip adjustment device; the stopper slip adjustment device comprises a first mechanical arm electrically connected with the controller; the first mechanical arm is provided with an edge detection end face, a first camera and a stopper adjustment wrench; the controller is used for controlling the first mechanical arm to move to correspond to a stopper to be adjusted; the edge detection end face and the camera are used for jointly positioning and photographing the relative position of the stopper head and the nozzle bowl part to obtain a first photographed image; and the controller is used for controlling the stopper adjustment wrench to adjust the stopper according to the first photographed image and a first comparison image.

[0024] Through automation, the system control realizes automatic baking of the intermediate ladle refractory, baking quality detection of the submerged nozzle by the robot instead of the worker and adjustment of the stopper slip, protects the health of the worker, reduces the labor intensity of the worker, improves the inspection efficiency of the nozzle and the adjustment efficiency of the stopper and reduces the accident rate. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0026] Figure 1 The overall structure schematic diagram of the continuous casting opening pouring intermediate ladle control system provided by the embodiments of the present application is shown in the figure.

[0027] Figure 2 The structure schematic diagram of the intermediate baking area is shown in the figure. Figure 1

[0028] The structure schematic diagram of the inspection area is shown in the figure. Figure 3 Figure 1 The structure schematic diagram of the pouring area is shown in the figure.

[0029] Figure 4 Figure 1 The top view of the structure shown in the figure.

[0030] Figure 5 The structure schematic diagram of the stopper head and the submerged nozzle provided by the embodiments of the present application is shown in the figure. Figure 2

[0031] Figure 6 The structure schematic diagram of the stopper head and the submerged nozzle provided by the embodiments of the present application is shown in the figure.

[0032] ​​​Icon: 100-controller; 101-tundish; 110-stopper; 111-stopper head; 112-nozzle cup; 113-stopper head outer arc edge; 114-nozzle cup outer arc edge; 120-submerged nozzle; 121-nozzle inner channel; 200-stopper slip adjustment device; 210-first mechanical arm; 211-edge detection end face; 212-first camera; 213-stopper adjustment wrench; 220-first row of rails; 300-submerged nozzle baking quality inspection device; 310-second mechanical arm; 311-positioning probe; 312-temperature measurement port; 313-photographing end face; 314-cleaning device; 315-second row of rails; 410-plug-in probe temperature measurement instrument; 420-remote ignition burner; 440-infrared online temperature measurement gun. DETAILED DESCRIPTION

[0033] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0035] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0036] In the description of the present application, it should be noted that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, which is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0037] In addition, if the terms "first", "second" and the like appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0038] It should be noted that the features in the embodiments of the present application can be combined with each other without conflict.

[0039] The following describes the embodiments of the present application in detail. Figures 1 to 6 The continuous casting tundish control system provided by the embodiments is described in detail.

[0040] Please refer to Figure 1 , Figure 2 and Figure 3 The embodiments of the present application provide a continuous casting tundish control system, which comprises a controller 100 and a stopper slip adjustment device 200; the stopper slip adjustment device 200 comprises a first mechanical arm 210 electrically connected with the controller 100, the first mechanical arm 210 is provided with a edge detection end face 211, a first camera 212 and a stopper adjustment wrench 213, the controller 100 is used for controlling the first mechanical arm 210 to move to correspond to the stopper 110 to be adjusted, the edge detection end face 211 and the camera are used for jointly positioning and photographing the relative position of the stopper head 111 and the nozzle bowl part 112 to obtain a first photographed image, and the controller 100 is used for controlling the stopper adjustment wrench 213 to adjust the stopper 110 according to the first photographed image and a first comparison image.

[0041] The operator issues a stopper inspection instruction to the first mechanical arm 210. The first mechanical arm 210 (or robot) is positioned on the first row of rail tracks 220 and stops in front of each flow I, II, III,..., stopper 110 in turn. First, after the first mechanical arm 210 stops in front of the I flow stopper 110, it extends the first mechanical arm 210 according to the fixed design running track, enables the edge detection end face 211 of the first mechanical arm 210, turns on the camera shooting function, and shoots along the outer arc surface of the stopper 110 to accurately position the outer arc of the stopper head 111 and the nozzle bowl part 112. Then, according to the first photographed image and the first comparison image, the photographed comparison data is obtained, and according to the photographed comparison data, if it does not meet the requirements, the stopper adjustment wrench 213 is controlled to adjust the stopper 110, and if it meets the requirements, the detection and adjustment of the next stopper 110 are entered.

[0042] The automatic and mechanical arm are well used to realize the system control of the stopper 110 slip adjustment. The labor cost is reduced, the work intensity of the on-site operator is reduced, the equipment is better, faster and more accurately operated, the health of the workers is protected, the labor intensity of the workers is reduced, the inspection of the nozzle and the adjustment of the stopper 110 are improved, and the accident rate is reduced.

[0043] Refer to Figure 1 , Figure 2 , Figure 3 and Figure 6In this embodiment, the controller 100 is configured to control the plug rod adjusting wrench 213 to retract in the case that the distance between the outer arc edge 113 of the plug rod head and the outer arc edge 114 of the nozzle bowl is greater than 3mm or less than 5mm in the first photographed image; and control the plug rod adjusting wrench 213 to loosen or tighten the screw of the plug rod 110 and rotate the plug rod 110 in the case that the distance between the outer arc edge 113 of the plug rod head and the outer arc edge 114 of the nozzle bowl is less than 3mm or greater than 5mm in the first photographed image. Then, the first photographed image and the first comparison image are acquired again, and the plug rod adjusting wrench 213 is controlled to adjust the plug rod 110 until the distance between the outer arc edge 113 of the plug rod head and the outer arc edge 114 of the nozzle bowl is greater than 3mm or less than 5mm.

[0044] According to the photographed comparison data, when the distance between the outer arc edge 113 of the plug rod head and the outer arc edge 114 of the nozzle bowl is greater than 3mm or less than 5mm, the flow plug rod 110 is normally slipped, and the first mechanical arm 210 is retracted. The first mechanical arm 210 is automatically stopped in front of the flow plug rod 110 along the track. The distance between the outer arc edge 113 of the plug rod head and the outer arc edge 114 of the nozzle bowl refers to the distance between the farthest points.

[0045] When the distance between the outer arc edge 113 of the plug rod head and the outer arc edge 114 of the nozzle bowl is less than 3mm or greater than 5mm, the plug rod adjusting wrench 213 of the first mechanical arm 210 is enabled, the upper screw of the plug rod 110 is loosened, the lower screw of the plug rod 110 is slightly rotated, and the upper screw of the plug rod 110 is tightened again.

[0046] The first mechanical arm 210 is enabled again to take pictures along the outer arc surface of the plug rod 110, and the outer arc of the plug rod head 111 and the nozzle bowl 112 are accurately positioned. When the distance between the outer arc edge 113 of the plug rod head and the outer arc edge 114 of the nozzle bowl is less than 3mm or greater than 5mm, the plug rod adjusting wrench 213 of the first mechanical arm 210 is enabled again to perform the rod adjusting function. Until the distance between the outer arc edge 113 of the plug rod head and the outer arc edge 114 of the nozzle bowl is greater than 3mm or less than 5mm, the flow rod checking operation is completed, and the first mechanical arm 210 is retracted.

[0047] The first mechanical arm 210 is automatically stopped in front of the next flow plug rod 110 along the track, and the rod checking operation is continued until all the flow plug rods 110 are checked and qualified, and the plug rod 110 checking operation is completed. The first mechanical arm 210 is retracted to the original position along the track, and waits for the next rod checking instruction.

[0048] Referring to Figure 1 and Figure 3In the embodiment, the stopper sliding adjustment device 200 further comprises a first row of tracks 220; the first row of tracks 220 extends from the detection position of the tundish 101 to the casting position, and the first mechanical arm 210 is movably arranged on the first row of tracks 220, and the first mechanical arm 210 moves to the positions corresponding to different stoppers 110 in the tundish 101 in sequence during the movement along the first row of tracks 220, so as to adjust the positions of the different stoppers 110.

[0049] The first mechanical arm 210 moves to the positions in front of the stoppers 110 of the first row, the second row, the third row, and the like along the first row of tracks 220 in sequence, and the inspection and adjustment of the stoppers 110 are completed in sequence.

[0050] With reference to Figure 1 and Figure 3 In the embodiment, the tundish control system before continuous casting and starting further comprises a submerged entry nozzle baking quality inspection device 300; the submerged entry nozzle baking quality inspection device 300 comprises a second mechanical arm 310 and an alarm device which are electrically connected with the controller 100; the second mechanical arm 310 is provided with a positioning probe 311 and a temperature measuring port 312, and the controller 100 is used for controlling the second mechanical arm 310 to move to the position corresponding to the submerged entry nozzle 120 to be inspected, the positioning probe 311 performs edge positioning along the edge of the submerged entry nozzle 120 and transmits the edge positioning data to the controller 100; the controller 100 is used for controlling the temperature measuring port 312 to perform temperature measurement on the submerged entry nozzle 120 according to the edge positioning data, and obtains temperature measurement data; and the controller 100 is used for controlling the alarm device according to the temperature measurement data.

[0051] The operator issues a nozzle baking inspection instruction to the second mechanical arm 310. The second mechanical arm 310 (robot) is positioned on the second row of tracks 315 and stops in front of each of the submerged entry nozzles 120 of the first row, the second row, the third row, and the like in sequence. First, after the second mechanical arm 310 stops in front of the submerged entry nozzle 120 of the first row, the positioning probe 311 is used to perform edge positioning on the edge of the submerged entry nozzle 120, and the submerged entry nozzle 120 is accurately positioned. According to the edge positioning data, a straight-line trajectory for measuring the temperature of the nozzle is prepared. According to the prepared operation trajectory, the second mechanical arm 310 is extended, the temperature measuring port 312 of the second mechanical arm 310 is started, the infrared temperature measurement function is started, and the temperature is measured vertically downward along the top end of the submerged entry nozzle 120, so that the temperature of the whole nozzle is accurately measured, and the minimum temperature value is read. Then, when the minimum temperature value meets the requirements, the next submerged entry nozzle is inspected, and if the requirements are not met, the alarm device is controlled to alarm.

[0052] In the embodiment, the controller 100 is used for controlling the alarm device to alarm when the temperature represented by the temperature measurement data is less than the standard value of the nozzle baking temperature.

[0053] According to the submerged nozzle 120 baking temperature standard value, the minimum temperature value of the nozzle is read, and when the read minimum temperature value is less than the nozzle baking temperature standard value, the temperature measurement system automatically alarms. The operator verifies the abnormal situation and handles it as soon as possible. After the treatment is completed, the manual intervention system executes the next operation.

[0054] With reference to Figure 1 And Figure 3 In this embodiment, the second mechanical arm 310 is also provided with a photographing end face 313 and a cleaning device 314; the controller 100 is used to control the photographing end face 313 to take a photograph of the nozzle inner passage 121 from below the submerged nozzle 120 according to the edge positioning data, and obtain a second photographing image; the controller 100 is used to control the cleaning device 314 to dredge the nozzle inner passage 121 in the case that the completeness of the cross section of the nozzle inner passage 121 represented by the second photographing image is less than 85%, and then control the photographing end face 313 to take a photograph of the nozzle inner passage 121 again, until the completeness of the cross section of the nozzle inner passage 121 represented by the second photographing image is greater than or equal to 85%, and control the second mechanical arm 310 to retract.

[0055] Then switch the photographing end face 313 of the second mechanical arm 310, turn on the camera photographing function, and according to the edge positioning data, place the camera lens below the submerged nozzle 120 to take a photograph of the nozzle inner wall passage, and compare the completeness of the nozzle inner wall passage.

[0056] When the completeness is less than 85%, move the photographing section, align the nozzle dredging hole with the lower opening of the submerged nozzle 120, start the cleaning device 314 built in the second mechanical arm 310, the cleaning device 314 includes a winch and a dredging rope, pull back the dredging rope to dredge the nozzle inner wall for three times, and recover the dredging rope.

[0057] Move the photographing end face 313 again, turn on the camera photographing function, and take a photograph of the nozzle inner wall passage, and compare the completeness of the nozzle inner wall passage. When the completeness is less than 85%, start the cleaning channel function of the cleaning device 314 again. Until the completeness of the nozzle inner wall passage is greater than or equal to 85%, the flow nozzle detection operation is completed, and the second mechanical arm 310 is retracted.

[0058] The second mechanical arm 310 automatically stops at the front of the next flow submerged nozzle 120 along the second row track 315, continues to carry out the nozzle detection operation, and until all the flow submerged nozzles 120 are completely accepted and qualified, the flow submerged nozzle 120 detection operation is completely finished. The second mechanical arm 310 retreats to the original position along the track, and waits for the next detection instruction.

[0059] With reference to Figure 1 And Figure 3In the embodiment, the submerged nozzle baking quality inspection device 300 further comprises a second row track 315 extending from the baking position of the tundish 101 to the casting position, and the second mechanical arm 310 is arranged on the second row track 315.

[0060] The second mechanical arm 310 moves along the second row track 315 to each flow I, II, III, …, and the submerged nozzle 120 in sequence, and the baking quality of the submerged nozzle 120 is inspected.

[0061] Referring to Figure 1 , Figure 2 , Figure 4 and Figure 5 In the embodiment, the continuous casting start-up tundish control system further comprises a tundish refractory baking device; the tundish refractory baking device comprises the tundish 101 and an online temperature measuring instrument and a remote ignition burner 420 arranged in the tundish 101; the online temperature measuring instrument and the remote ignition burner 420 are electrically connected with the controller 100, the online temperature measuring instrument is used to detect the real-time temperature of the refractory in the tundish 101, the remote ignition burner 420 is used to be remotely ignited under the control of the controller 100, and the controller 100 is used to control the baking parameters of the remote ignition burner 420 according to the real-time temperature and a preset baking curve, so that the refractory in the tundish 101 reaches a target temperature; the parameters of the preset baking curve include a time period, a gas flow, a fuel-air ratio and a target temperature.

[0062] The tundish ignition burner is additionally provided with automatic remote ignition, which can be remotely electronically ignited. The burner is additionally provided with an online temperature measuring instrument, which can measure the temperature of the tundish bottom refractory through the flame to achieve the purpose of flame detection and realize the effect of full-process flame monitoring.

[0063] The automatic baking steps of the tundish 101 are as follows: start baking; manually switch the automatic switch to the automatic gear (bake according to the preset baking curve); press the ignition on button to confirm that the burners have fire; switch the curve switch to the curve required for baking: normal tundish 101 baking mode, abnormal tundish 101 baking mode (fast emergency baking); press the baking start button, and the air blower, the induced draft fan and the main gas valve are automatically opened in sequence to start baking; after starting baking, the system runs the following parameters according to the set time, refer to Table 1 (including time period, gas flow, fuel-air ratio and target temperature); end the baking and confirm that the temperature has reached the baking requirement. After the above conditions are met, press the baking end button, and the air blower, the induced draft fan and the main gas valve are closed at the same time, and the baking is ended.

[0064] Table 1

[0065] Time period Gas flow Fuel air ratio Target temperature 0-60 min 300 m3 / h 2.4 300℃ 60-80 min 450 m3 / h 2.0 500℃ 80-120 min 700 m3 / h 2.0 700℃ 120-210 min 950 m3 / h 2.2 1200℃ >210 min 800 m3 / h 2.2 1150-1200℃

[0066] In the embodiment, the online temperature measuring instrument is arranged at any one of the two ends of the tundish 101.

[0067] The online temperature measuring instrument is arranged at any one of the two ends of the tundish 101, and the temperature at this position is the lowest in the tundish 101. When the lowest temperature reaches the required temperature, the temperatures at other positions also reach the baking temperature. Of course, the temperature at this position cannot be too high, and the temperature at other positions will be higher if the temperature at this position is too high. Therefore, the temperature at this position also has a range.

[0068] In the embodiment, the online temperature measuring instrument is an infrared online temperature measuring gun 440 or a plug-in probe temperature measuring instrument 410. The infrared online temperature measuring gun 440 can measure the temperature of the tundish bottom refractory through the flame, and the plug-in probe temperature measuring instrument 410 can also flexibly and accurately measure the temperature in the tundish 101.

[0069] According to the tundish control system before continuous casting before opening provided in the embodiment, the working principle of the tundish control system before continuous casting before opening is that with the promotion of unmanned management of the steelmaking plant, the automation and the mechanical arm are well used to realize automatic baking of the tundish refractory in system control, and the robot replaces the worker to perform immersion nozzle 120 baking quality detection and stopper 110 slip adjustment. The human cost is reduced, the work intensity of the on-site operator is reduced, the equipment is better, faster and more accurately operated, the detection and adjustment effects are guaranteed, and accidents caused by worker fatigue or human error are avoided.

[0070] The tundish control system before continuous casting before opening provided in the embodiment has at least the following advantages:

[0071] The automation and the mechanical arm are well used to realize automatic baking of the tundish refractory in system control, and the robot replaces the worker to perform immersion nozzle 120 baking quality detection and stopper 110 slip adjustment. The human cost is reduced, the work intensity of the on-site operator is reduced, the equipment is better, faster and more accurately operated, the worker's physical and mental health is protected, and the worker's labor intensity is reduced; the inspection nozzle and the stopper 110 adjustment efficiency are improved, and the accident rate is reduced.

[0072] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

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The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting tundish control system before casting. The application relates to a continuous casting t The second mechanical arm (310) is provided with a positioning probe (311) and a temperature measuring port (312), the controller (100) is used for controlling the second mechanical arm (310) to move to correspond to the submerged nozzle (120) to be inspected, the positioning probe (311) is used for edge positioning along the edge of the submerged nozzle (120) and transmitting the edge positioning data to the controller (100); the controller (100) is used for controlling the temperature measuring port (312) to measure the temperature of the submerged nozzle (120) according to the edge positioning data, and obtaining the temperature measuring data; the controller (100) is used for controlling the alarm device according to the temperature measuring data.

4. The tundish control system before continuous casting and starting according to claim 3, characterized in that: The controller (100) is used for controlling the alarm device to alarm in the case that the temperature represented by the temperature measuring data is less than the standard value of the nozzle baking temperature.

5. The tundish control system before continuous casting and starting according to claim 3, characterized in that: The second mechanical arm (310) is further provided with a photographing end surface (313) and a cleaning device (314); the controller (100) is used for controlling the photographing end surface (313) to photograph the inside passage (121) of the nozzle from below the submerged nozzle (120) according to the edge positioning data, and obtaining a second photographing image; the controller (100) is used for controlling the cleaning device (314) to dredge the inside passage (121) of the nozzle in the case that the completeness of the cross section of the inside passage (121) represented by the second photographing image is less than 85%, and then controlling the photographing end surface (313) to photograph the inside passage (121) of the nozzle, until the completeness of the cross section of the inside passage (121) represented by the second photographing image is greater than or equal to 85%, and then controlling the second mechanical arm (310) to retract.

6. The tundish control system before continuous casting and starting according to claim 3, characterized in that: The submerged nozzle baking quality inspection device (300) further comprises a second track (315), the second track (315) extends from the baking position of the tundish (101) to the casting position, and the second mechanical arm (310) is arranged on the second track (315).

7. The tundish control system before continuous casting and starting according to any one of claims 1-2, characterized in that: The tundish control system before continuous casting and starting further comprises a tundish refractory baking device. The intermediate ladle refractory baking device comprises an intermediate ladle (101) and an online temperature measuring instrument, a remote ignition burner (420) arranged in the intermediate ladle (101); the online temperature measuring instrument and the remote ignition burner (420) are electrically connected with the controller (100); the online temperature measuring instrument is used for detecting the real-time temperature of the refractory in the intermediate ladle (101); the remote ignition burner (420) is used for remote ignition under the control of the controller (100); the controller (100) is used for controlling the baking parameters of the remote ignition burner (420) according to the real-time temperature and a preset baking curve, so that the refractory in the intermediate ladle (101) reaches a target temperature; the parameters of the preset baking curve comprise a time period, a gas flow, a fuel-air ratio and a target temperature.

8. The intermediate ladle control system before continuous casting and starting according to claim 7, characterized in that: The online temperature measuring instrument is arranged at any one of two ends of the intermediate ladle (101).

9. The intermediate ladle control system before continuous casting and starting according to claim 7, characterized in that: The online temperature measuring instrument is an infrared online temperature measuring gun (440) or a plug-in probe temperature measuring instrument (410).

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