1338 results about "Continuous caster" patented technology

The invention relates to the technical field of steelmaking continuous casting, and discloses a high-pulling-speed continuous casting method for a low-carbon high-sulfur steel chamfering crystallizer, a chamfering crystallizer continuous casting machine is adopted, and in the casting process, a low-carbon high-sulfur steel casting blank is prepared by controlling the narrow face taper, the narrow face cooling water flow and the casting superheat degree of the chamfering crystallizer. According to the method, the problems that when the low-carbon high-sulfur steel is cast through a chamfering crystallizer continuous casting machine, the narrow face of a casting blank is seriously sunken, and crack defects are prone to occurring can be solved.

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 method for improving the liquid level fluctuation of an ultra-low carbon IF steel crystallizer, which comprises the following control processes: confirming continuous casting machine equipment before production: confirming the state of the continuous casting machine equipment before continuous casting, if the time interval between casting times is not less than 2.5 hours, performing roll gap penetration on a fan-shaped section and recalibrating the abnormal fan-shaped section, and if the time interval is not less than 2.5 hours, performing roll gap penetration on the fan-shaped section; the pressing deviation of the fan-shaped section is less than or equal to 0.5 mm; if the casting time interval is less than 2.5 hours, the following control is carried out: when the precision control of the continuous casting machine equipment is normal, the casting pulling speed and the secondary cooling water quantity are normally controlled according to requirements; when 1-3 fan-shaped sections of a continuous casting machine have the pressing deviation larger than or equal to 0.5 mm and smaller than 1 mm, the pulling speed is reduced by 0.05 m / min under the requirement of the normal casting machine state; and the secondary cooling water amounts of the casting machine loops corresponding to the 1-3 sections are respectively increased by 15-25%. According to the method, the crystallizer liquid level fluctuation is effectively prevented, and the crystallizer liquid level fluctuation is obviously improved.

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 5052 secondary aluminum alloy preservation application preparation device and process. The 5052 secondary aluminum alloy preservation application preparation device comprises a crusher, a cleaning machine is arranged on one side of the crusher, a sorting machine is arranged on the other side of the crusher, a smelting furnace is arranged near a discharging port of the sorting machine, and a horizontal continuous casting machine is arranged near a discharging port of the smelting furnace. Thermal deformation experiments under different conditions, including heating temperature, deformation rate and deformation amount, are performed on the regenerated aluminum alloy, so that the grain structure of the regenerated aluminum alloy is improved, uniform distribution of a second phase is promoted, and the mechanical property and corrosion resistance are improved. By means of the technology, the mechanical property and the using performance of the 5-series regenerated aluminum alloy reach the level equivalent to those of a primary alloy, and preserve recycling application is achieved. The method solves the problem of performance degradation caused by high impurity content of the existing regenerated aluminum alloy, and has the advantages of simple process, low cost and wide applicability.

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 is suitable for the technical field of metallurgical processes, and provides a continuous casting, continuous rolling and continuous straightening method for a steel rail. Comprising the following steps that a continuous casting billet is produced through a continuous casting machine; performing scanning, typical defect judgment and alarm on the surface of the continuous casting blank through a 2D surface defect detection system so as to obtain the position of a defect on the surface of the casting blank; carrying out follow-up targeted cleaning according to the surface defect position of the continuous casting billet; the continuous casting billet is subjected to induction supplementary heat treatment; the continuous casting billet is subjected to descaling treatment through high-pressure water; rolling the continuous casting billet by using a rolling mill to obtain an initial steel rail; marking the initial steel rail; waste heat quenching treatment is conducted on the initial steel rail, and deformation limiting is conducted on the rail bottom / rail head of the steel rail; straightening the initial steel rail by using a straightening machine; the initial steel rail is subjected to rough fixed-length cutting treatment of any length; the cut initial steel rail is subjected to quality detection; and performing fixed-length cutting treatment on the initial steel rail subjected to quality detection to obtain a finished steel rail.

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 relates to the technical field of steelmaking, in particular to a continuous casting machine supporting roller rotation detection device and method. In the embodiment of the invention, the rotation detection device for the supporting roller of the continuous casting machine comprises a bracket, a contact wheel and a torque sensor. The contact wheel is rotatably mounted on the support, and the torque sensor is connected to the contact wheel. Under the condition that the contact wheel moves relative to the supporting roller and makes contact with the supporting roller, the torque sensor is used for detecting a torque data set of the contact wheel so as to judge whether the supporting roller rotates or not according to the torque data set. According to the continuous casting machine back-up roll rotation detection device and detection method, under the condition that the contact wheel moves relative to the back-up roll and makes contact with the back-up roll, the torque sensor is used for detecting the torque data set of the contact wheel, whether the back-up roll rotates or not is judged according to the torque data set, and therefore the rotation state of the back-up roll is obtained; therefore, the fan-shaped sections can be selectively replaced according to the rotating state of the supporting roller, regular replacement is not needed, the production organization time is shortened, the yield is guaranteed, and economic losses are reduced.

The invention discloses low-carbon equivalent ferrite type pipeline steel and a construction method, and belongs to the technical field of metallurgical production processes. The invention provides the low-carbon equivalent ferrite type pipeline steel which has ultralow carbon equivalent and meets the matching requirement of strength and toughness of X52 pipeline steel and the construction method. The low-carbon equivalent ferrite type pipeline steel is a hot-rolled steel strip with the thickness specification of 8.0-12.0 mm, and comprises the following components in percentage by weight: 0.020-0.050% of C, 0.10-0.25% of Si, 0.70-1.00% of Mn, less than or equal to 0.008% of P, less than or equal to 0.003% of S, 0.020-0.040% of Als, 0.015-0.025% of Nb, 0.010-0.020% of Ti, less than or equal to 0.0050% of N and the balance of Fe and inevitable impurities, and the cold crack sensitivity index Pcm of the hot-rolled steel strip is less than or equal to 0.1%. The construction method comprises the steps of molten steel smelting, calcium treatment, plate blank preparation, plate blank reheating, plate blank rolling, cooling and coiling, in the plate blank preparation process, molten steel which is smelted to be qualified is directly and continuously cast on a continuous casting machine to form a plate blank meeting the requirement, and after the continuous casting plate blank is slowly cooled for more than 48 hours, the plate blank is fed into a heating furnace to be heated in the furnace for 150-230 min; and after discharging, carrying out rough rolling, finish rolling and laminar cooling, and coiling to obtain the low-carbon equivalent ferrite type pipeline steel.

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 discloses an on-line automatic tracking system for continuous casting billet waste cutting and a control method thereof, and belongs to the technical field of chemical metallurgy. The on-line automatic tracking system for continuous casting billet waste cutting comprises a continuous casting PLC and a control module which are in signal connection with a continuous casting machine, and the control module is in signal connection with a pouring duration acquisition module, a pulling speed detection module, a preset warehouse, an MES warehousing system module and a unit meter weight rule base. And the pouring duration acquisition module and the pulling speed detection module are in signal connection with the continuous casting machine. According to the continuous casting billet waste cutting online automatic tracking system, a fixed-length billet is randomly selected for data collection in a constant-speed pouring stage in each statistical period through the control module in combination with the pouring duration collection module and the pulling speed detection module, the stability of the continuous casting process and the initial quality of the continuous casting billet are ensured, and meanwhile the continuous casting billet waste cutting quality is improved. Preset parameters can be modified regularly according to actual parameters through spot check, and the problems that in continuous casting production, the statistical period is inaccurate, and the quality is low due to the deviation between the pulling speed and the length of a real object are solved.

The invention discloses a hydraulic control system for a sliding gate of a tundish of a continuous casting machine, which relates to the technical field of hydraulic control systems and comprises an energy accumulator safety system and two oil cylinder control systems which are connected in parallel between an oil inlet main path and an oil return main path, the oil inlet main path is connected with an oil pump through a one-way valve; the energy accumulator safety system comprises an energy accumulator, a normally-open type high-pressure ball valve and an energy accumulator safety valve. The oil cylinder control oil way comprises a two-position four-way electromagnetic directional valve, a stacked type double-one-way throttle valve, a stacked type hydraulic control one-way valve, a first normally-closed type two-position two-way electromagnetic directional valve, a second normally-closed type two-position two-way electromagnetic directional valve and an oil cylinder. The hydraulic cylinder of the sliding nozzle can be stably controlled, and the energy accumulator safety system is arranged, so that the sliding nozzle can still be opened and closed for two to three times when an oil pump pauses in a sudden power failure state, and molten steel is prevented from being cooled and solidified.

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 a production method of a continuous casting billet for seawater corrosion resistant steel, and belongs to the technical field of steel. Continuous casting crystallizer casting powder and casting powder layer thickness control are adopted, and the good lubricating effect of the casting powder is guaranteed; according to the section size of a continuous casting machine, surface and internal cracks are prevented from being formed by controlling the continuous casting pulling speed, the superheat degree, the crystallizer water amount, the secondary cooling water amount, the taper, the roll gap shrinkage amount and the like; the center density of the continuous casting billet is improved by controlling the fan-shaped section roll gap shrinkage amount and the soft reduction, the effects of eliminating center shrinkage cavities and looseness and relieving center segregation are achieved, the surface crack occurrence rate of the continuous casting billet for the seawater corrosion resistant steel is smaller than or equal to 0.1%, triangular area cracks are smaller than or equal to 0.5 level, middle cracks are smaller than or equal to 0.5 level, and the center segregation rating is superior to C 1.5 level.

The invention relates to the technical field of bearing seat cooling, and particularly discloses a continuous casting machine straightening roll bearing seat cooling device and method.The continuous casting machine straightening roll bearing seat cooling device comprises a surrounding bin arranged outside a bearing seat body, and an arc-shaped inner rack is installed at one end of the top of the surrounding bin; an arc-shaped sliding groove is reserved in the top of the arc-shaped inner rack, a sliding block is arranged in the arc-shaped sliding groove, a first mounting plate is mounted at the top of the sliding block, and a second mounting plate is mounted at the end, close to the surrounding bin, of the first mounting plate. The surrounding bin, the spray heads and the like are additionally arranged on the periphery of the bearing seat body, cold water can be stably sprayed to the bearing seat body through the spray heads for cooling, the cold water is prevented from splashing all around, and therefore the stable cooling effect is ensured, the workload of workers is reduced, meanwhile, the bearing seat body of an existing model can be transformed and used in cooperation, and the production efficiency is improved. And the structural strength of the bearing seat main body in use is not influenced.

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 continuous casting machines, in particular to a high-temperature-resistant self-aligning roller bearing for a continuous casting machine, which comprises an inner ring, an outer ring and a radiating device, the outer ring is arranged on the outer side of the inner ring, a plurality of balls are mounted between the inner ring and the outer ring and are annularly arranged, and the radiating device is arranged on the surface of the inner ring and comprises a support ring. The supporting ring is arranged on one side of the inner ring and located on one side of the outer ring, a plurality of cooling fins are fixedly connected to the surface of the supporting ring and located on one side of the balls, and air holes are formed in the surfaces of the cooling fins and located on one side of the balls. According to the bearing disclosed by the utility model, the heat dissipation device is arranged, so that the heat dissipation of the bearing is effectively and conveniently realized, and after the bearing is used in a high-temperature environment for a certain time, as the heat dissipation device is arranged, the influence of high temperature on the use performance of the bearing is avoided, the service life of the bearing is prolonged, the heat dissipation performance of the bearing is improved, and the influence of high temperature on the use of the bearing is reduced.

The invention relates to the technical field of metallurgical equipment, and discloses a continuous casting machine edge secondary cooling nozzle self-adaptive control device which comprises two spraying devices, each spraying device comprises two vertical guide columns, each guide column is sleeved with a sleeve, the sleeves are controlled to ascend and descend through a lifting system, a mounting block is connected between the two sleeves, and the mounting blocks are connected with the guide columns through a lifting system. A movable block is arranged in the mounting block, a nozzle facing the casting blank is arranged on the movable block, a connecting rod is arranged on the other face of the movable block, the guide rods are sleeved with the two ends of the connecting rod through sleeves, and the movable block reciprocates through a horizontal telescopic system arranged on the mounting block. The invention further discloses a control method of the self-adaptive control device for the edge secondary cooling nozzles of the continuous casting machine. According to the self-adaptive control device and method for the secondary cooling nozzle on the edge of the continuous casting machine, self-adaptive control over the distance and angle of the nozzle under the condition that the width of a casting blank changes is achieved, the good narrow face cooling effect is guaranteed, and transverse and longitudinal cracks are reduced.

The invention relates to the technical field of continuous casting, and discloses an improved aluminum-iron alloy continuous casting machine which comprises a support, a mounting seat is fixedly mounted on the outer side of the support, a supporting frame is fixedly mounted on the outer side of the mounting seat, and a chain conveying device is arranged on the outer side of the supporting frame. The chain transmission device is the existing equipment in the prior art, so that the chain transmission device is drawn but not labeled in a picture, and is not described in details. According to the improved aluminum-iron alloy continuous casting machine, in order to improve the stability of an alloy material, the conveying assembly is arranged and matched with the chain conveying device to convey a connecting block connected with a long-hair-strip spring and a receiving plate through a thin rod, and meanwhile when the connecting block is conveyed to the end of the chain conveying device, the receiving plate is made to move downwards and make contact with an impact rod; and meanwhile, the receiving plate is conveyed in a circulating mode in cooperation with a chain conveying device, and therefore the receiving plate can be automatically reset in cooperation with a long-hair-strip spring.

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 utility model relates to the technical field of ferrous metallurgy, in particular to a continuous casting machine crystallizer inlet water filtering device which comprises a filter chamber, a filtering assembly, a reversing assembly, a water inlet pipe and a water outlet pipe. The water inlet pipe and the water outlet pipe are respectively connected with the filter chamber; the filter assembly comprises a filter screen supporting piece and at least two filter screens, the filter screens are connected with the filter screen supporting piece, and the filter screen supporting piece is connected with the inner side wall of the filter chamber; the reversing assembly comprises an upper partition plate, a lower partition plate and a reversing rod, the reversing rod penetrates through the filter screen supporting piece, namely, the filter assembly is located between the upper partition plate and the lower partition plate, and the water filtering channel is replaced under the condition that water supply is not interrupted through the separation and reversing effects of the reversing assembly. The water filtering device is simple in structure, water entering the crystallizer is filtered, the casting blank quality problem caused by blockage of a water seam and a nozzle of the crystallizer is avoided, water supply of the crystallizer does not need to be interrupted when the water filtering channel is replaced, and therefore production efficiency is improved.