960 results about "Continuous caster" patented technology

The invention relates to an unsupervised industrial continuous casting machine time series data anomaly detection method. The method comprises the following steps: monitoring and analyzing key sensor data of continuous casting machine equipment; installing and configuring edge computing equipment, performing digital twin platform deployment, performing data preprocessing on sensor data, performing correlation analysis on the preprocessed data by using a rapid greedy equivalent search method, constructing encoder and decoder structures, introducing a Mama network to construct a teacher model, and training; based on a distillation learning principle, migrating knowledge of the teacher model to the student model; and performing anomaly detection after the student model is trained, deploying at an edge end after an expected standard is reached, and performing alarm monitoring by a digital twin platform. The method solves the problems of low efficiency, high delay and high cost when the existing unsupervised industrial anomaly detection technology is used for processing the time sequence data of the continuous casting equipment, guarantees the anomaly detection accuracy, improves the calculation efficiency of the model, and meets the requirements of real-time performance and calculation resources.

The invention discloses a continuous casting machine zero section base fault diagnosis method and system based on an improved Transform. The method comprises the steps that pressure signals including the normal state and the common fault state of a base are obtained; fusing the pressure signal features to construct enhanced multi-domain features; a nonlinear convergence factor, an adaptive weight and a Cauchy disturbance strategy are introduced to improve a whale optimization algorithm, and an IWOA model is obtained; a time sequence convolution fusion Transform network model is constructed, and IWOA is used to optimize parameters of a fusion convolution Transform, so that an optimal model can be obtained; and training the optimized fusion convolution Transform model, and inputting the multi-domain features of the test sample set into the trained network model to realize accurate identification of multiple states of the base. According to the method, the problem of model parameter selection is solved, efficient expression of features is realized, and the accuracy of base fault recognition is improved.

The invention belongs to the technical field of seamless steel pipe manufacturing, and particularly relates to a preparation method of an ultra-large-specification 9Cr series ferrite heat-resistant seamless steel pipe and a product thereof. The preparation method of the ultra-large 9Cr series ferrite heat-resistant seamless steel pipe sequentially comprises the following working procedures of continuous casting, forging and pipe manufacturing. According to the continuous casting process, blast furnace molten iron and scrap steel serve as raw materials, and a continuous casting pipe blank is produced through an electric furnace, LF refining, VD vacuum treatment and round blank continuous casting machine pouring; the forging process comprises the steps of blanking, forging, annealing, perforating and the like to produce a pipe blank; the seamless steel pipe is produced through the procedures of heating, perforating, pipe rolling, pipe expanding, heat treatment, turning and the like in the pipe manufacturing procedure. And the prepared 9Cr series seamless steel tube is uniform in component and high in purity, so that the 9Cr series seamless steel tube has relatively high high-temperature strength, and the problems of unqualified flaw detection, non-uniform wall thickness, eccentricity and the like caused by alloy segregation in the prior art are solved.

The invention discloses a roll gap measuring instrument and an integrated continuous casting machine online roll gap measuring device, and aims to improve the precision of roll gap measurement and the convenience of operation. The roll gap measuring instrument comprises a mounting frame and a measuring assembly. The measuring assembly comprises a swing arm, a first elastic piece, a shifting block, a detection piece and a first detector. The swing arm is rotationally connected with the mounting frame, the shifting block is connected with the swing arm, and meshing teeth are arranged on the shifting block. The first detector is installed on the installation frame, the detection piece is in sliding fit with the first detector, and a rack meshed with the meshing teeth is arranged on the detection piece. The first elastic piece is used for driving the detection piece to return to the initial position. When the swing arm drives the shifting block to rotate, the shifting block drives the detection piece to move, the swing amplitude of the swing arm is calculated according to the moving distance of the detection piece, and then the roller gap between the rollers to be measured is obtained. According to the roll gap measuring instrument, through cooperation of the swing arm, the shifting block, the detection piece and the first detector, high-precision measurement of the roll gap is achieved, and the accuracy and reliability of a measurement result are improved.

The invention relates to the technical field of cast wheel cleaning, in particular to a cast wheel cleaning method based on a spraying and circulating technology, and the cast wheel cleaning method is used for a copper crystallization cast wheel of a five-wheel continuous casting machine in SCR continuous casting and rolling equipment and comprises the following steps that the working surface of the cast wheel is divided into a groove area, a bottom area and an outer side area, and a partition monitoring system is constructed; respectively setting a cleaning alarm threshold value of each area; dynamically judging local or complete cleaning requirements based on monitoring data of each region; corresponding cleaning fluid is selected based on pollution chemical characteristics of the cleaning area; gradient pressure spraying is carried out, and clean water flushing is matched; waste liquid formed by flushing is recycled after being subjected to multi-stage treatment. According to the method, the regional monitoring system is taken as a core, the cleaning mode is adjusted in real time according to the pollution degree of each region, and multi-region differentiated pollution removal and resource recycling are synchronously completed in the continuous production process through high-efficiency and low-loss precise cleaning.

The invention relates to the technical field of magnesium ingot conveying, in particular to a discharging and conveying device and method for magnesium ingot conveying The discharging and conveying device comprises a rack, a continuous casting machine body and a conveying mechanism are vertically distributed on the rack, the continuous casting machine body is used for conveying produced magnesium ingots from left to right, and a limiting mechanism is arranged on the rack. A side scrap removing mechanism is arranged between the continuous casting machine body and the conveying mechanism, the magnesium ingot discharging angle, the optimal discharging position and the vertical sliding track can be accurately controlled, and the magnesium ingots are prevented from deviating in the conveying process; chippings and impurities on the surfaces of the magnesium ingots are brushed away, and the situation that normal conveying of the magnesium ingots is affected due to deviation of conveying of the magnesium ingots caused by blockage, blockage and clamping stagnation of chain seams of the conveying mechanism due to direct contact with the conveying mechanism after blanking is prevented; the arrangement action of a plurality of magnesium ingots required by stacking is preposed, and the situation that the magnesium ingots and a chain belt are scraped when the magnesium ingots are stacked at a processing point and wait for a stacking robot to grab the magnesium ingots is reduced.

The embodiment of the invention provides a method for solving surface scabbing of a prestressed PC (Poly Carbonate) rod, which comprises the following steps: after a square casting blank of the prestressed PC rod is output from a continuous casting machine, the square casting blank is fed into a spraying device for quenching, so that the surface temperature of the square casting blank is reduced to be below 500 DEG C; the quenched square casting blank is fed into a heating furnace to be subjected to temperature returning treatment; and the square casting blank subjected to temperature returning treatment is rolled. According to the technical scheme, the square casting blank is not naturally cooled off line like an existing cold conveying process, the square casting blank is quenched, the temperature of the square casting blank is rapidly cooled to the preset temperature, then rolling work is started through temperature returning, the whole process is conducted on line, the square casting blank does not need to be off line, and therefore production efficiency is greatly improved.

The invention relates to the technical field of continuous casting of copper materials, in particular to high-quality copper material pouring equipment which comprises a driving frame and a horizontal continuous casting machine body, an alignment frame is arranged on the top face of the driving frame, and a pouring assembly for pouring molten copper liquid into the horizontal continuous casting machine body is arranged on the alignment frame. A connecting assembly used for moving the alignment frame is arranged between the driving frame and the alignment frame, and two sets of alignment assemblies used for accurately aligning the alignment frame and the horizontal continuous casting machine body are symmetrically arranged on the side face of the alignment frame. Two sets of positioning assemblies matched with the alignment assemblies are symmetrically arranged on the side face of the horizontal continuous casting machine body. By means of the linkage design of the positioning assembly and the alignment assembly, the position of the alignment frame can be automatically adjusted, the tundish and the horizontal continuous casting machine body are accurately aligned to the same horizontal position, it is ensured that a pouring nozzle is aligned to the center of a material opening, and the problem of molten copper splashing or uneven pouring caused by position deviation is solved.

The invention discloses a roll gap measuring instrument and a split type continuous casting machine online roll gap measuring device. The technical problem that an existing roll gap measuring instrument can only move in the single direction for measurement is solved. The roll gap measuring instrument comprises a box body, a roll gap detection structure and a roll gap measuring structure. The roll gap detection structure comprises a swing arm, a first elastic piece and a shifting block. The first end of the swing arm extends out of the box body, the shifting block is installed at the second end of the swing arm, and the first elastic piece is used for driving the swing arm to rotate to the initial position relative to the box body. The roll gap measuring structure comprises a first detector and a detection piece. The detection piece is in sliding fit with the first detector, and when the swing arm drives the shifting block to swing, the shifting block drives the detection piece to move. According to the roll gap measuring instrument disclosed by the invention, the compact box body and the innovative roll gap detection structure are designed, so that the measuring instrument can greatly reduce the equipment size while keeping the measuring precision, is convenient to carry and mount, and is particularly suitable for a working environment with limited space.

The invention provides a round billet continuous casting machine and multi-stage multi-mode electromagnetic stirring device matching method, and belongs to the technical field of metallurgy continuous casting, and the method comprises the steps that an electromagnetic stirrer in a crystallizer area applies a rotating magnetic field in the initial solidification stage, and the forming quality of an initial solidification shell is optimized; an electromagnetic stirrer in the secondary cooling area utilizes a traveling wave magnetic field to continuously regulate and control the solidification process of the core part of the casting blank; the feeding effect of a final solidification section is remarkably improved through the action of a high-intensity magnetic field by an electromagnetic stirrer in a solidification tail end area, and multiple matching modes are produced to be matched with existing continuous casting processes of different steel grades according to the characteristics of the steel grades, the throwing direction of each area and the type of the electromagnetic stirrer. And then through linkage of the multi-stage multi-mode electromagnetic stirring device and cooperative control over continuous casting process parameters, the equiaxed crystal area of the casting blank is enlarged, segregation is reduced, the internal quality of the casting blank is improved, and the density, uniformity and mechanical performance of the casting blank are improved.

The invention relates to a method for controlling cracks of a steel casting blank for a new energy automobile battery pack. The method comprises the steps of casting blank composition control, casting powder performance control, crystallizer inlet and outlet water temperature control, submersed nozzle insertion depth control, molten steel superheat degree control, secondary cooling water distribution specific water flow control, crystallizer taper control and continuous casting machine equipment precision control. The steel comprises, by mass, 0.08%-0.11% of C, 0.55%-0.70% of Si, 2.40%-2.70% of Mn, smaller than or equal to 0.018% of P, smaller than or equal to 0.008% of S, 0.020%-0.070% of Als, 0.015%-0.035% of Nb, 0.02%-0.04% of Ti, 0.15%-0.35% of Cr, smaller than or equal to 0.006% of N and the balance Fe. The alkalinity R of the casting powder ranges from 1.30 to 1.42; 0.6 wt%-0.8 wt% of Li2O is added into the casting powder; when the water inlet temperature of the crystallizer is 25-30 DEG C, the wide surface water inlet and outlet temperature difference of the crystallizer is 2-5 DEG C, and the narrow surface water inlet and outlet temperature difference is 4-8 DEG C; when the water inlet temperature of the crystallizer is 31-36 DEG C, the water inlet and outlet temperature difference of the wide surface of the crystallizer is 4-7 DEG C, and the water inlet and outlet temperature difference of the narrow surface is 5-9 DEG C; constant-pulling-speed pouring is adopted for continuous casting, the tonnage of a tundish is 35-70 tons, and the liquid level fluctuation of a crystallizer is smaller than or equal to + / -5 mm. The defect of'black lines' on the surface of the strip steel of the battery pack for the new energy automobile can be effectively improved, and the surface quality of the battery pack for the new energy automobile is guaranteed.

The invention relates to the technical field of metal solidification numerical simulation and calculation material science, and provides a continuous casting billet solidification process phase field simulation method and system based on dynamic temperature boundary conditions. The method comprises the following steps: S1, collecting physical property parameters and component data of steel, continuous casting machine crystallizer parameters and secondary cooling working condition parameters; s2, selecting a phase field method model, and determining initial parameters; s3, solving a phase field control equation, a solute field control equation and a temperature field control equation to obtain phase field variables evolved along with time, solute distribution data and temperature field data; when the temperature field control equation is solved, continuous casting process parameters are introduced into the phase field model, and the actual boundary heat transfer process is simulated by considering the combination of D, N and R thermal boundary conditions. According to the method, any combination and stable solution of the three types of thermal boundary conditions are realized, the adaptability and calculation efficiency of phase field simulation to the complex thermal boundary conditions in the solidification process are remarkably improved, and the analysis precision, the calculation efficiency and the engineering adaptability are considered.

The invention relates to the technical field of steel, in particular to high-strength wear-resistant steel and a preparation process thereof. The method comprises the following steps: S1, carrying out electric furnace smelting, LF refining and RH vacuum treatment on raw materials, and pouring into a steel billet through a continuous casting machine; s2, the steel billet is subjected to quenching and tempering treatment in sequence, and after hot rolling, steel is prepared; s3, uniformly mixing aminated aluminum oxide, modified graphene oxide and deionized water, carrying out ultrasonic treatment for 30-50 minutes, adding waterborne epoxy resin, a curing agent, a flatting agent and a defoaming agent, and uniformly mixing, so as to obtain a wear-resistant coating; and S4, the surface of the steel is coated with a wear-resistant coating, after drying, a wear-resistant coating is formed, the high-strength wear-resistant steel is obtained, the high-strength wear-resistant steel not only has excellent wear resistance, but also has excellent corrosion resistance, and the service life can be effectively prolonged.

The invention relates to the technical field of steel smelting, in particular to a square billet crystallizer suitable for high-pulling-speed production and a square billet production method. The crystallizer is formed by combining an upper crystallizer with the copper pipe length of 800-850mm and a lower crystallizer with the copper pipe length of 600-750mm, the section size of the copper pipe at the lower opening of the upper crystallizer is completely the same as that of the copper pipe at the upper opening of the lower crystallizer, the part from 1 / 2 thickness of the copper pipe of the lower crystallizer to the hot surface is made to be breathable, the hole of the breathable copper pipe is an oil conveying pipeline, and the hole of the breathable copper pipe is communicated with the oil conveying pipeline. After the lubricating effect of the lower cavity in the crystallizer body is improved, the throwing resistance can be reduced, and the problem that the throwing resistance is sharply increased along with the increase of the length of the crystallizer is solved, so that the total length of the crystallizer can be increased to 1400-1600 mm, the growth time of a casting blank shell in the crystallizer can be prolonged, the thickness of the casting blank shell of the crystallizer can be increased, and the service life of the crystallizer is prolonged. The method is suitable for a high-pulling-speed continuous casting machine, and the highest pulling speed of 7.5 m / min can be achieved.

The utility model relates to the technical field of casting equipment, and provides a pump control crystallizer hydraulic vibration device and a continuous caster, the vibration device comprises a connecting frame and at least one vibration unit arranged on the connecting frame, and each vibration unit comprises a fixed frame connected with the connecting frame; the vibration frame is movably arranged in the fixed frame; the guide mechanism is connected between the fixed frame and the vibration frame; the driving mechanism is used for driving the vibration frame to vibrate up and down relative to the fixed frame, the driving mechanism is provided with a shell connected with the fixed frame, a servo motor, a bidirectional hydraulic pump and a driving hydraulic cylinder which are connected in sequence are arranged in the shell, a cylinder rod of the driving hydraulic cylinder is connected with the vibration frame, and the driving hydraulic cylinder is connected with the fixed frame. The motor is used for driving the vibration frame to vibrate up and down. The electro-hydraulic servo valve can solve the problems that an electro-hydraulic servo valve in an existing vibration device is high in oil cleanliness requirement, high in construction, operation and maintenance cost and low in efficiency.

The application discloses a method for improving the quality of high-nickel steel and belongs to the technical field of high-nickel steel continuous casting. The method comprises the following steps: continuously casting high-nickel steel liquid with a nickel content of not less than 3.5% in a continuous casting machine; controlling the temperature of a slab entering and leaving a two-cooling zone of the continuous casting machine and the opening shrinkage value of a casting roller of the two-cooling zone during the continuous casting process, so that the slab is pressed down and high-quality high-nickel steel is obtained; wherein the temperature of the slab entering and leaving the two-cooling zone of the continuous casting machine is 1100-1150 DEG C and 800-900 DEG C respectively, and the opening shrinkage value of the casting roller of the two-cooling zone of the continuous casting machine is 1.6-4.5 mm. The method provided by the application realizes solute element redistribution, slows down the defects of element central segregation, and thus improves the quality of high-nickel steel.

The invention discloses a lead-acid battery production process, and relates to the technical field of lead-acid battery production, and the lead-acid battery production process comprises the following steps: S1, lead powder preparation: carrying out grain cutting and closed Balton ball milling on an electrolytic lead ingot to obtain lead powder with BET0.65-0.75 m / g and apparent density 1.10-1.20 g / cm < 3 >, and the nitrogen-sealed oxygen content of a lead powder bin is less than or equal to 5vol%; s2, grid casting: heating the lead-calcium-tin-aluminum alloy to 480 + / -10 DEG C in a lead smelting furnace, and casting the lead-calcium-tin-aluminum alloy into a grid with the thickness tolerance of + / -0.05 mm through a continuous casting machine; s3, performing paste mixing; the device has the advantages that through side insertion of the inverted dovetail groove, isolation of the hydrophilic PET thin sheet and blocking of the top air curtain, condensate is guided to the collecting tank along the thin sheet and is pumped out in real time, no PbSO4 white ring is left on the surface of the polar plate, and the powder falling rate of the follow-up slicing and vibration procedures is remarkably reduced.

The utility model relates to a thin slab and conventional slab coupling production unit, which comprises a thin slab production unit, a conventional slab processing unit and a rolling unit, and the thin slab production unit comprises a thin slab continuous casting machine, a fixed section tunnel furnace and a movable tunnel furnace which are collinearly arranged in sequence; the conventional slab processing unit comprises an activity response device used for responding to the movable tunnel furnace to complete transfer of the thin slab to the conventional slab processing unit and a slab heating furnace connected to the upstream of the activity response device; the rolling unit comprises a rough rolling mechanism and a finish rolling mechanism; and the movable response device, the rough rolling mechanism and the finish rolling mechanism are collinearly arranged in sequence. Coupling production of a thin slab and a conventional slab can be achieved, and the process flexibility is high; the rolling unit and the conventional plate blank treatment unit are collinearly arranged, so that the layout reasonability is high, waste of a large amount of space can be avoided, and repeated impact of a high-speed plate blank on the movable tunnel furnace during reversible rough rolling is avoided; and the sheet billet can be roughly rolled or passes through the roughing mill according to the process condition, so that the process flexibility can be further improved.

The invention relates to the technical field of continuous casting equipment in the metallurgical industry, in particular to a crystallizer assembly and a continuous casting machine, comprising a support table, the left side of the top of the support table is fixedly connected with a first support frame, the right side of the first support frame is provided with a crystallizer part, and the right side of the top of the support table is fixedly provided with a cooling part. According to the device, a second sliding block and a first sliding block are not supported by wind power and are influenced by gravity, the second sliding block and the first sliding block directly fall to drive a second toothed plate to descend, the second toothed plate drives a driven gear to rotate, and a first toothed plate drives a second supporting plate and a friction table to ascend; and when the cast steel continues to slide due to inertia, the cast steel stops sliding through friction between the high-friction coating on the top of the friction table and the cast steel, deformation of the cast steel is avoided, and therefore the situation that the overall structural strength of the solid casting blank is affected is avoided.

The invention discloses a large-section vertical continuous casting cleanliness control method, which comprises the following control processes: 1) adopting a large-section vertical continuous casting machine, and ensuring that the floating time of inclusions in the solidification process of molten steel is 70-82 minutes; (2) when the first ladle of continuous casting is started and the tundish molten steel is in the range of 5-27 tons, slag absorbing agents are added into an impact area and a casting area at the same time; 100-300 kg of a slag absorbing agent is added into the impact area, and 300-500 kg of a slag absorbing agent is added into the casting area; (3) a modulating wave crystallizer electromagnetic stirring technology is adopted, the electromagnetic stirring current parameter ranges from 150 A to 600 A, and the frequency ranges from 1.0 HZ to 1.5 HZ; and 4) adopting a four-hole SEN immersion depth of 90-130mm. According to the method, secondary oxidation of molten steel in a continuous casting starting process can be effectively reduced, adhesion and aggregation of inclusions at a casting blank dendritic crystal solidification front edge are reduced, the inclusions are dispersed and distributed in the steel grade, and the final grades of the inclusions are as follows: the fineness A is less than or equal to 1.0 grade, the thickness A is less than or equal to 0.5 grade, the fineness B is less than or equal to 1.0 grade, the thickness B is less than or equal to 0.5 grade, the fineness C is less than or equal to 0.5 grade, the thickness C is less than or equal to 0.5 grade, the fineness D is less than or equal to 1.0 grade, and the thickness D is less than or equal to 0.5 grade.

The invention relates to a preparation technology and a use method of a wear-resistant steel ball for a large semi-autogenous mill, which are characterized in that a scrapped car shell, a scrapped cold roll and waste silicon carbide are used as main furnace charges to smelt molten steel in an electric furnace, and a small amount of aluminum-silicon-calcium alloy, rare earth magnesium-silicon-iron alloy and nano TiC are added to improve the quality of the molten steel. Molten steel is directly poured into a square billet on a square billet continuous casting machine, after the continuous casting square billet is rolled and forged, forging waste heat water cooling short-time quenching and isothermal quenching composite heat treatment is adopted, the wear-resistant steel ball with excellent obdurability and wear resistance is obtained, the phenomena of cracking, stripping and out-of-round do not occur when the wear-resistant steel ball is used on a large semi-autogenous mill, wear is low, and the service life of the wear-resistant steel ball is prolonged. And the production efficiency of the large semi-autogenous mill can be remarkably improved, the ore grinding cost is reduced, and remarkable economic and social benefits are achieved in application and popularization.

The invention relates to the field of hot rolling, in particular to an aluminum-titanium alloy profile production continuous casting unit and a casting process thereof.The aluminum-titanium alloy profile production continuous casting unit comprises a cleaning mechanism used for cleaning oxide on the surface of a hot roller; collecting treatment, wherein the collecting treatment is used for collecting and treating impurities and oxides; the roller adjusting mechanism is used for adjusting the position of the hot roller; according to the aluminum-titanium alloy profile production continuous casting unit and the casting process thereof, the cleaning scraping blade moves towards the collecting mechanism and is matched with the second hot roller in the collecting mechanism in an extrusion mode, the cleaning scraping blade moves towards the collecting mechanism, the cleaning scraping blade moves towards the collecting mechanism in an extrusion mode, and therefore the aluminum-titanium alloy profile production continuous casting unit is formed. Therefore, the effect of cleaning impurities on the surface of the second hot roller or impurities attached to residual oxides which are not cleaned away from the surface of the aluminum-titanium alloy profile is achieved, and meanwhile the effect of preventing the attached residual oxides or impurities from being attached to the surface of the aluminum-titanium alloy profile again is achieved.

The invention discloses a continuous casting production method of a large-piece-weight extra-thick slab for offshore wind power tower tube steel. The continuous casting production method comprises the following process steps that a 473 mm * 2600 mm straight crystallizer continuous bending and continuous straightening arc-shaped extra-thick slab continuous casting machine is adopted to conduct continuous casting on molten steel to obtain a slab; in the continuous casting process, a metallurgical reduction and mechanical reduction cooperative reduction technology is adopted, a secondary cooling electric stirring technology and a straightening stress relaxation roller column technology are coupled, the internal quality of the large-piece-weight extra-thick plate blank for offshore wind power tower tube steel is improved, and the defects of center segregation, center looseness and middle cracks near an inner arc side triangular area of the large-piece-weight extra-thick plate blank are overcome; according to the method, the transverse cracks on the surface of the casting blank are effectively controlled in a secondary cooling mode combining overall weak cooling and local air cooling. The piece weight of the extra-thick plate blank industrially prepared through the method can reach 60 t, the effect is good after implementation, and the use requirement for efficiently preparing the high-quality and large-piece-weight extra-thick steel plate for the offshore wind power tower tube at low cost can be met.

The invention provides a continuous casting machine pulling speed stability control method, system and equipment and a medium, and the method comprises the steps: S1, obtaining real-time state data of continuous casting production of a continuous casting machine, including molten steel temperature, flow, crystallizer vibration parameters, withdrawal and straightening machine speed, casting blank size and quality detection data; s2, a virtual three-dimensional model of the continuous casting machine production process is built, the virtual three-dimensional model is used for reflecting the operation state of all equipment and the change condition of materials in the actual production process in real time, and therefore the element cosmic space of the continuous casting production process is built; s3, on the basis of the obtained real-time state data of continuous casting production of the continuous casting machine, real-time monitoring and correlation analysis are conducted on the continuous casting production process through the built element cosmic space of the continuous casting production process, and therefore abnormal judgment and casting speed change trend prediction are achieved; and S4, optimal pulling speed control is generated on the basis of abnormal judgment and pulling speed change trend prediction, and the pulling speed of the continuous casting machine is controlled and regulated through the generated optimal pulling speed control.

The invention relates to the technical field of steel metallurgy steelmaking continuous casting, and provides a cooling control device of a continuous casting machine fan-shaped section, the cooling control device is arranged on a machine frame of a continuous casting machine, the continuous casting machine is provided with a roller row and a nozzle installation frame, the roller row and the nozzle installation frame are both arranged on the machine frame, and the cooling control device is located between the roller row and the nozzle installation frame. The water retaining piece is arranged on the rack and located between the roller row and the nozzle mounting frame, and the water retaining piece is provided with a first containing groove; the telescopic water baffle is movably arranged in the first containing groove and used for blocking water flow sprayed out of the nozzle on the nozzle mounting frame. The output end of the automatic adjusting mechanism is arranged on the telescopic water baffle and used for driving the telescopic water baffle to move. By means of the technical scheme, the problem that the corner of a narrow-section steel billet is prone to being subjected to gathered water flow, internal stress is generated, and then the quality of the corner of the steel billet is poor is solved.

A simulated fixed-weight cutting data processing method based on a cognitive intelligent process model, the method comprising: mounting one hydraulic lifting platform scale per strand at a cooling bed transfer run-out table of a multi-strand continuous casting machine; each time after the platform scale performs weighing, feeding back weighing data to a fixed-weight cutting model; on the basis of the fixed-weight cutting model, using a mathematical calculation formula to calculate the length of a steel billet; issuing steel billet length information to a flame cutting machine for cutting, so as to obtain a cut steel billet; weighing the cut steel billet again by means of the platform scale, and calculating a length required for the next instance of steel billet cutting; ensuring that a process is continuously and circularly performed, and collecting a series of parameters in the above process; and studying dynamic relationships between the parameters and the mathematical calculation formula. The method improves the prediction accuracy of the weighing data. Further comprised are a simulated fixed-weight cutting data processing system based on a cognitive intelligent process model, and an electronic device and a computer-readable storage medium. The effect of simulating fixed-weight cutting is achieved, thereby ensuring the cutting accuracy.

The invention provides a bleed-out identification method and system for a crystallizer of a continuous casting machine, and the method comprises the steps: obtaining the thermocouple data of the crystallizer, the pulling speed data of the continuous casting machine and the liquid level data of the crystallizer of the continuous casting machine in a set time interval before a bonding characteristic change moment; the standard deviation of the continuous casting machine pulling speed data and the continuous casting machine crystallizer liquid level data in the set time interval is determined; when the standard deviation of the casting speed data of the continuous casting machine and the crystallizer liquid level data of the continuous casting machine is smaller than a first threshold value, the crystallizer of the continuous casting machine is judged to be in a first state; when the standard deviation of the casting speed data of the continuous casting machine and the liquid level data of the crystallizer of the continuous casting machine is larger than the first threshold value and smaller than a second threshold value, the crystallizer of the continuous casting machine is judged to be in a second state; when the standard deviation of the continuous casting machine pulling speed data and the continuous casting machine crystallizer liquid level data is larger than a second threshold value, it is judged that the continuous casting machine crystallizer is in a third state. According to the method, the technical effect of greatly reducing the false alarm rate in an unsteady continuous casting production scene is finally achieved.

The invention provides a roll gap dynamic compensation method and a roll gap setting method, and belongs to the technical field of continuous casting production.In the casting blank production process, the state of a casting blank through which a current fan-shaped section passes is judged, and when the casting blank is in different states, deformation influences on the fan-shaped section are different; the method comprises the following steps: acquiring a pre-stored roll gap compensation amount implementation scheme corresponding to a casting blank state from an upper system of a continuous casting machine as a target roll gap compensation amount implementation scheme, and determining the roll gap compensation amount of a current fan-shaped section according to the target roll gap compensation amount implementation scheme; therefore, factors of different fan-shaped section deformation conditions caused by different casting blank states borne by the fan-shaped sections in actual production are fully considered, and the compensation amount is dynamically adjusted according to the stress conditions of the fan-shaped sections in the actual production process. The problems that in the prior art, according to a fixed fan-shaped section roller gap compensation method, the service life of a roller is easily shortened, and even the roller is broken are effectively solved.

The utility model provides a magnetism gathering roller type magnetic stirrer for a slab continuous casting machine, which relates to the technical field of electromagnetic metallurgy process in steel industry, and comprises a stirrer body, the stirrer body consists of a roller sleeve, an inductor, an outer shielding ring group and a bearing seat, the inductor is inserted in the roller sleeve, the outer shielding ring group is arranged below the roller sleeve, and the bearing seat is arranged below the roller sleeve. According to the magnetism gathering type stirrer, the overall design is novel, the structure is simple, the angle A of the appearance shielding ring is adjusted through the kidney-shaped hole, and when a pair of magnetism gathering roller type magnetic stirrers is installed in a mirror image mode, the outer shielding ring is aligned. The roller type electromagnetic stirrer has multiple magnetism gathering effects of the inner shielding ring, the magnetic poles and the outer shielding ring, and is high in intermediate magnetic induction intensity and thrust and good in metallurgical effect.

The utility model relates to the technical field of nozzles, and discloses an anti-blocking nozzle for a fan-shaped section of a slab continuous casting machine, which comprises a spray head and a liquid guide cylinder, a communicated liquid inlet pipe is mounted on the side surface of the liquid guide cylinder, the spray head and the liquid guide cylinder are fixedly connected and communicated, and one end of the liquid guide cylinder far away from the spray head is connected with a detachable cap. The inner wall of the end, close to the nozzle, of the liquid guiding cylinder is connected with a filtering assembly, the side, close to the nozzle, of the filtering assembly is connected with a scraping assembly which is connected with the inner wall of the nozzle, and the side, away from the nozzle, of the filtering assembly is connected with a water power assembly which is located on the side, close to the nozzle, of the liquid inlet pipe. According to the anti-blocking nozzle for the fan-shaped section of the slab continuous casting machine, the scraping assembly is driven by power generated by the water power assembly to scrape impurities such as water scale attached to the inner side of the nozzle body, so that it is guaranteed that the spraying opening of the nozzle body is not blocked, the cooling water spraying amount of the nozzle body is guaranteed, and the cooling water spraying effect of the nozzle body is improved.