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477results about "Casting parameters measurement/indication devices" patented technology

Automatic transfer robot for hot metal ladles

The invention discloses an automatic transfer robot for a ladle. The automatic transfer robot comprises a robot body, a gate-type mechanical arm system, a ladle clamping and overturning assembly, an intelligent sensing system and an electrical control system. A servo-driven X-Y plane moving device is arranged at the bottom of the robot body, so that two-dimensional free movement is realized; the door type mechanical arm system comprises symmetrical mechanical arms, a connecting beam and a lifting and telescopic driving assembly and adapts to different positions. The clamping turnover assembly adopts a three-point positioning clamping and servo turnover device and integrates a manual switching system and a weighing system, so that accurate dumping is realized; the intelligent sensing system detects the positions of an iron outlet and a material receiving opening through laser vision; and the electrical control system cooperatively controls each component to realize automatic butt joint. The robot further comprises an automatic ladle cover opening and closing mechanism and a safety protection system, and safety is improved. Through automatic and intelligent design, the molten iron transfer safety and stability are improved, and the system is suitable for casting workshops and particularly suitable for transformation of old workshops.
Owner:CMCU ENG

Automatic control method and device for furnace plug of aluminum ingot casting holding furnace

The invention discloses an automatic control method and device for a furnace plug of an aluminum ingot casting holding furnace, the device comprises a holding furnace (11), the holding furnace (11) is connected with an annular distributor through a chute (16), and the annular distributor is connected with a casting mould (15), and the automatic control method is characterized in that after production is started, a furnace mouth of the holding furnace (11) is closed firstly, and after the temperature and the liquid level of molten aluminum in the holding furnace (11) reach the standard, the furnace mouth of the holding furnace (11) is opened; molten aluminum flows into a chute (16), passes through an annular distributor and then enters a casting mold (15); when molten aluminum flows into the annular distributor, the conveying speed of the casting mould (15) is controlled by detecting the liquid level of the molten aluminum, and accurate casting of aluminum ingots is achieved. The opening degree of the furnace plug and the conveying speed of the aluminum ingot casting mold can be adjusted, so that the flow of molten aluminum is stable, and the quality of cast aluminum ingots reaches the standard; in addition, the casting mold conveying speed can be adjusted in time according to liquid level fluctuation, and the situation that molten aluminum overflows or is cut off is avoided.
Owner:GUIYANG ALUMINUM MAGNESIUM DESIGN & RESEARCH INSTITUTE CO LTD

Method for rapidly detecting non-uniformity of flow field of continuous casting crystallizer on line

The invention relates to the technical field of steelmaking, in particular to a method for quickly detecting the non-uniformity of a flow field of a continuous casting crystallizer on line, which comprises the following steps of: acquiring a signal in a hydraulic vibration device of the crystallizer, converting the signal into a digital signal, and preprocessing the digital signal as time sequence synchronization data; the method comprises the following steps: slicing time sequence synchronization data according to a fixed time window, extracting multi-dimensional features from data in each time window, and constructing feature vectors; performing flow field evaluation by adopting a mixed model combining supervised learning and unsupervised learning; and outputting an alarm level prediction and diagnosis mode by using the multi-task learning model. An original signal capable of directly or indirectly reflecting a flow field state is acquired at high frequency through a multi-source sensor array arranged on a crystallizer; extracting characteristic values strongly related to the characteristics of the flow field by using a signal processing technology; inputting the characteristic value into a pre-trained deep learning neural network model; the model outputs a comprehensive evaluation index about the uniformity of the flow field in real time, and automatically identifies a non-uniform mode and grade.
Owner:BENGANG STEEL PLATES CO LTD

Austenitic stainless steel casting in-situ microalloying modification method based on multi-field coupling and intelligent feedback

The invention provides an austenitic stainless steel casting in-situ microalloying modification method based on multi-field coupling and intelligent feedback. The austenitic stainless steel casting in-situ microalloying modification method comprises the following steps that S1, a casting mold is preset, and a machine learning model is deployed; s2, smelting and pouring a master alloy; s3, a microalloying agent is injected into the casting mold, and multi-field coupling treatment is conducted on molten steel; s4, casting microstructure evolution is predicted through a machine learning model, and injection parameters and multi-field coupling parameters of a microalloying agent are adjusted in real time; and S5, the solidified casting is subjected to solution treatment and aging treatment, and a final product is obtained. According to the invention, the microalloying process and the solidification process are synchronized, the multi-field coupling effect of a pulse electromagnetic field and an ultrasonic field is realized, and an intelligent feedback system driven by machine learning is introduced, so that the processing steps are provided, and a self-adaptive and self-optimized intelligent casting system is constructed; and a brand new technical path is provided for performance customization production of high-end castings.
Owner:TAIZHOU HUAFENG PRECISION CASTING CO LTD

Crystallizer slag entrapment detection method, medium and equipment

The invention discloses a crystallizer slag entrapment detection method, a medium and equipment. The crystallizer comprises a copper plate, the copper plate comprises two narrow faces which are oppositely arranged, a plurality of thermocouples are arranged on each narrow face in the height direction of the copper plate at intervals, and every two thermocouples which are oppositely arranged on the two narrow faces form a thermocouple set. Acquiring a detection temperature deviation value of the two thermocouples of at least one thermocouple group; and if the at least one detection temperature deviation value is larger than or equal to a preset temperature deviation threshold value, and the duration when the at least one detection temperature deviation value is larger than or equal to the temperature deviation threshold value is larger than or equal to a preset duration, it is determined that the risk that the casting blank entraps slag exists in the steel plate. The detection accuracy of the slag entrapment of the casting blank can be improved, and the detection cost is low.
Owner:SHOUGANG GROUP CO LTD

Aluminum processing deep well casting molten aluminum leakage identification and early warning system and method

The invention relates to the technical field of aluminum processing production safety, and provides an aluminum processing deep well casting molten aluminum leakage identification and early warning system and method.The system comprises a leakage identification subsystem, a linkage circuit is formed by arranging special aluminum wires at an outlet of a crystallizer, and instant leakage alarm and leakage point positioning are achieved; the leakage rate judgment subsystem is used for judging the leakage rate of the molten aluminum; and the control terminal is used for simultaneously receiving and processing the information of the leakage identification subsystem and the leakage rate judgment subsystem and giving an emergency processing instruction. Through double-judgment cross validation of aluminum conductor leakage triggering and temperature sensing data, the molten aluminum leakage judgment accuracy is remarkably improved, the method can stably adapt to the high-temperature, humid and high-noise environment of deep well casting, early warning lag and positioning fuzziness are effectively eradicated, the risk of explosion accidents caused when molten aluminum encounters water is practically reduced, and the service life of the molten aluminum is prolonged. And reliable support is provided for deep well casting intrinsic safety.
Owner:UNIV OF SCI & TECH BEIJING +1

Method and system for preparing bimetallic composite material based on metal droplet size regulation and control

The invention discloses a bimetallic composite material preparation method and system based on metal droplet size regulation and control, and belongs to the technical field of centrifugal casting. According to the method, aiming at a bimetal system with a liquid-liquid mixing and dissolving gap, an alloy melt is smelted according to a preset proportion, and then precise control over the size of second metal phase liquid drops is achieved in a casting ladle by regulating and controlling the standing time in combination with a high-temperature and high-speed camera shooting system. Then relevant casting parameters are input into an autonomously derived liquid drop movement speed and trajectory prediction model, the liquid drop position is predicted, and finally the centrifugal rotating speed or the heating power is adjusted through feedback control according to the deviation between a prediction result and a preset trajectory, so that directional preparation of different structures of the bimetal composite material is achieved. The corresponding system comprises a monitoring module, a calculation module and an execution module which cooperatively complete parameter monitoring, calculation analysis and precise regulation and control in the material preparation process. The casting inclusion defect can be reduced, the product quality instability is reduced, and directional preparation of different structures of the bimetal composite material is achieved.
Owner:INSTITUTE OF MATERIALS & INTELLIGENT MANUFACTURING JIANGXI ACADEMY OF SCIENCES +1

Metallurgy mixing furnace with water-cooling casting function

The invention discloses a metallurgical holding furnace with a water-cooling casting function, and relates to the technical field of metallurgical holding furnaces, the metallurgical holding furnace comprises a box body and a cooling casting unit; a shell is arranged on the top surface of the box body, a furnace body is fixed in the shell, the bottom end of the furnace body is conical, a discharge hole in the bottom end of the furnace body is connected with the top end of a control valve, a box frame is fixed on the right side in the box body, a liquid supplementing pipe is fixedly communicated with the top surface of the furnace body, and a material mixing unit is arranged in the furnace body; according to the metallurgical holding furnace with the water-cooling casting function, cooling threaded grooves are matched with continuously-circulating cooling liquid to cool, cast and mold molten metal in the crystallizer, the cooling liquid sprayed out of an annular spray pipe is atomized through an atomization spray head and then sprayed to the surface of a casting, and therefore secondary cooling treatment is conducted; and meanwhile, the whole device adopts automatic metallurgical casting to reduce the safety problem easily caused by manual operation.
Owner:禾浦(苏州)新材料科技有限公司

Die casting equipment for high-toughness light-weight automobile aluminum alloy accessories

The invention belongs to the technical field of die-casting equipment, and discloses die-casting equipment for high-toughness light-weight automobile aluminum alloy accessories, which comprises a base, a prompting mechanism and a die-casting mechanism, a lower die is fixedly connected to the outer wall of the base, an upper die is arranged on the outer wall of the base through an air cylinder, and a water tank is fixedly connected to the outer wall of the top end of the base. The water tank is arranged in the top inner wall of the water tank; the cooling mechanism is mounted on the outer wall of the base; the spray head is arranged on the outer wall of the cooling mechanism through a connecting mechanism; wherein the prompting mechanism comprises a liquid storage box, and the outer wall of the liquid storage box is fixedly connected with an abutting block; through cooperation of the abutting block, the square block and other structures, when cooling liquid in the liquid storage box is insufficient, the volute spiral spring drives the rotating shaft and the rotating plate to turn over, the rotating plate can strikingly remind an operator that the cooling liquid is insufficient and needs to be added, and the problem that the cooling effect is affected due to the fact that the operator cannot find that the cooling liquid is insufficient in time is solved.
Owner:HEFEI UNIV OF TECH

High-strength and high-toughness heat-treatment-free die-casting aluminum alloy, structural part and preparation method

The invention belongs to the technical field of aluminum alloy die-casting, and particularly relates to a high-strength and high-toughness heat-treatment-free die-casting aluminum alloy, a structural part and a preparation method. According to the high-strength and high-toughness heat-treatment-free die-casting aluminum alloy provided by the invention, the limitation that a traditional heat-treatment-free die-casting aluminum alloy is low in Fe element tolerance and the limitation that a traditional high-Fe-content aluminum alloy is insufficient in toughness are broken through by designing an element composition system and multi-strategy cooperative regulation and control of the high-strength and high-toughness heat-treatment-free die-casting aluminum alloy. And by adopting a Ca-Sr composite modification strategy and a Cr-Mn cooperative regulation strategy, the Fe content tolerance is expanded to 0.5 wt%-1.6 wt%, and meanwhile, the recycling rate of waste materials of the die-casting aluminum alloy is high. Based on the synergistic strengthening effect of all elements in the components, the tensile strength and ductility of the high-Fe-content die-casting aluminum alloy can be synergistically improved without heat treatment, the heat-treatment-free die-casting aluminum alloy with high tensile strength and high toughness is obtained, and the heat-treatment-free die-casting aluminum alloy is suitable for preparing deep-cavity shell type, multi-fin heat dissipation type and other complex structural parts.
Owner:HUNAN UNIV +1

Pouring temperature adjusting method and system combined with multi-dimensional sensor

The invention discloses a pouring temperature adjusting method and system combined with a multi-dimensional sensor, and relates to the technical field of pouring temperature control. The method comprises the following steps: performing temperature control key anchor point analysis based on a historical casting quality detection record set to obtain a temperature control abnormal anchor point set; obtaining an infrared sensor array and a thermocouple temperature sensor array; performing pouring temperature time sequence acquisition according to a preset monitoring frequency to obtain an infrared monitoring temperature value sequence array and a thermocouple monitoring temperature value sequence array; performing double analysis on temperature distribution uniformity and temperature fluctuation, and determining a temperature regulation and control scheme; and the pouring temperature of the target thin-wall automobile casting is dynamically regulated and controlled based on the temperature regulation and control scheme. The technical problem that in the prior art, the casting quality is unstable due to the fact that the pouring temperature of a thin-wall automobile casting is not accurately regulated and controlled is solved, accurate pouring temperature regulation and control are achieved through multi-sensor cooperative monitoring and temperature control key anchor point dynamic adjustment, and the technical effect of improving the casting quality stability is achieved.
Owner:NANTONG CHENGKE PRECISION DIECASTING CO LTD

Aluminum alloy casting machine crystallizer aluminum leakage monitoring system adopting sensing optical fibers

An aluminum alloy casting machine crystallizer aluminum leakage monitoring system adopting sensing optical fibers is characterized in that a temperature measuring ring is fixedly arranged at the lower part of each crystallizer, each temperature measuring ring is provided with a sensing optical fiber, and one end of each sensing optical fiber is connected with a temperature detection system; in the aluminum alloy deep well casting production process, the surface of a cast aluminum ingot radiates infrared rays to enable the temperature of the sensing optical fiber or the temperature measuring ring to rise, and accurate detection of the temperature of the outer surface of each aluminum ingot is achieved; before an aluminum leakage accident of the aluminum ingot occurs, the distance between the semi-solid high-temperature molten aluminum in the aluminum ingot and the surface of the aluminum ingot is reduced, and the surface temperature of the aluminum ingot is increased, so that the temperature of the sensing optical fiber or the temperature measuring ring is increased; when the sensing optical fiber detects that the temperature abnormally rises, it is judged that the aluminum ingot may have an aluminum leakage accident, and at the moment, measures are taken to enable the semi-solid area in the aluminum ingot to recover to the normal state again, so that the aluminum leakage accident is avoided; the utility model has the advantages of simple structure, few sensors, low cost, high reliability and simple maintenance.
Owner:CHINA NON-FERROUS METALS PROCESSING TECH CO LTD

Intelligent temperature control method and system for die-casting die

Provided are intelligent temperature control method and system for die-casting die. Method includes setting target number of groups of temperature control regions and configuring initial temperature determination rule and initial temperature control strategy for each temperature control region; obtaining front-side thermal image of die using infrared camera mounted on both sides of spraying manipulator, and matching the same with CAD drawing of the die to obtain CAD thermal map of die; determining monitoring region on surface of die, and classifying monitoring regions into target number of groups of temperature control regions based on expected temperature requirement of die; calculating temperature value and determining temperature state of each monitoring region based on initial temperature determination rule of each temperature control region and temperature value of each monitoring region, and adjusting temperature of each monitoring region based on initial temperature control strategy of each temperature control region.
Owner:ASSAB TOOLING TECH SHANGHAI

Fusible plug manufacturing equipment

The invention provides fusible plug manufacturing equipment, and relates to the technical field of fusible plug manufacturing. The fusible plug manufacturing equipment comprises a box body provided with a containing cavity and a workbench, and the workbench is provided with a casting platform; the heating assembly is arranged in the containing cavity and located under the casting platform, and the heating assembly is used for heating the casting platform; the cooling assembly is arranged in the containing cavity and comprises a cooling plate and a cooling channel arranged in the cooling plate, the cooling plate is located between the casting platform and the heating assembly, and the cooling assembly can transfer heat generated by the heating assembly to the casting platform; the control assembly is arranged in the box body and used for controlling starting and stopping of the heating assembly and the cooling assembly. And the production efficiency of the fusible plug can be improved.
Owner:长沙鑫航机轮刹车有限公司

Ingot stripping detection device for aluminum ingot casting

The utility model discloses an aluminum ingot casting ingot stripping detection device which comprises a fixed plate, movable rods and an arc-shaped supporting arm, the movable rods are rotationally connected to the two sides of the fixed plate through supports, air cylinders are arranged outside the movable rods, hammer heads are arranged at the bottoms of the movable rods, and the arc-shaped supporting arm is arranged on the fixed plate on the inner sides of the supports. The number of the arc-shaped supporting arms is two, a connecting rod is arranged between the two arc-shaped supporting arms, a laser range finder is arranged in the middle of the connecting rod, and the laser range finder is electrically connected with the controller. According to the device, a formed aluminum ingot in an equipment mold can be knocked, so that the aluminum ingot can be quickly demolded; the laser range finder is arranged on the connecting rod, so that measured distance data can be transmitted to the controller in real time, and whether the aluminum ingot is completely demoulded or not is judged; automatic detection and judgment of the aluminum ingot demolding state are achieved, manual intervention is not needed, and the production efficiency and the automation level are greatly improved.
Owner:广元中孚科技有限公司

Container ship valve body casting device with intelligent temperature control function

The application discloses a container ship valve body casting device with intelligent temperature control function and relates to the technical field of valve body casting devices. The container ship valve body casting device comprises a support, an electric sling, a moving beam, a pouring bag, a pouring table, a sliding frame and a hot-driven double-trip isolation curtain. The first and second limiters are alternately matched, so that the driving head reciprocates between the initial end and the end of the curved groove, and the cooling device is automatically started and stopped according to the pressure sensor signal, thereby realizing double-trip scraping of the isolation bevel and continuous collection of metal particles. The splashed metal liquid forms an oxide film in the air, the rough surface of the isolation bevel is bitten by the oxide film through surface depression, so that the splashed metal liquid can reliably adhere to the isolation bevel, thereby effectively reducing the risk of continuous splashing and diffusion. Part of the metal liquid adhering to the isolation bevel rolls downward along the bevel under the action of gravity and finally enters the collection groove, thereby realizing effective guidance and centralized collection of the splashed metal liquid.
Owner:TAIZHOU SANFU SHIP ENG CO LTD

Method for detecting steel hanging at corner of slab crystallizer

The invention relates to a slab crystallizer corner hanging steel detection method comprising the following steps: S1, arranging temperature measurement columns on two sides of four corners of a crystallizer, and arranging a plurality of temperature measurement points in each temperature measurement column; s2, collecting the temperature of the temperature measuring point at a fixed frequency; s3, for each temperature measurement column, constructing a fitting model by using the temperature and the position of the selected temperature measurement point in the temperature measurement column, and calculating the heat storage capacity of the temperature measurement column by using a temperature distribution function constructed by the fitting model; s4, calculating the heat storage capacity of the corner by using the heat storage capacity of the temperature measurement columns on the two sides of the corner; s5, making a two-dimensional coordinate system by taking the center of the section of the crystallizer as an original point, associating the two centrosymmetric corners, calculating the heat storage quantity difference of the associated corners, constructing a vector component corresponding to the heat storage quantity difference in the two-dimensional coordinate system, constructing a partial vector according to the vector component, performing matrix mapping to obtain the partial vector, and calculating the heat storage quantity difference of the associated corners; and judging the angle steel hanging condition according to the die length and the vector angle theta. According to the method, thermal anomaly and change of a crystallizer corner area are used as corner suspension breakout early warning criteria.
Owner:BEIJING SHUYU TECH DEV CO LTD

Molten aluminum flow control structure and control method of mixing furnace and mixing furnace

The invention relates to the field of molten aluminum flow control, in particular to a molten aluminum flow control structure and method of a mixing furnace and the mixing furnace. The molten aluminum flow control structure of the mixing furnace comprises a launder, an adjusting mechanism, a control box and a laser sensor, and the laser sensor and the adjusting mechanism are arranged above the launder; the laser sensor is used for obtaining the detected liquid level height of molten aluminum in the launder and sending the detected liquid level height to the control box. The control box controls the adjusting mechanism according to the preset liquid level height and the detected liquid level height so as to adjust the liquid level height of the molten aluminum. The liquid level of the molten aluminum is monitored in real time in combination with the laser sensor, the adjusting mechanism is accurately adjusted to control the flow of the molten aluminum, a closed-loop control system is formed, automatic and accurate adjustment of the flow of the molten aluminum is achieved, and therefore the product quality is remarkably improved, and safety risks caused by manual operation are thoroughly eliminated.
Owner:QINGHAI HUANGHE HYDROPOWER DEVELOPMENT CO LTD +2

Measuring lance for the measurement of a position and a thickness of a slag layer on top of a molten metal

The present invention concerns a measuring lance (1) for measuring a position (has) of an air-slag interface (2as) between an atmosphere (4) and a slag layer (2) sitting on top of a molten metal (3), and a position (hsm) of a slag-metal interface (2sm) between the slag layer (2) and the molten metal (3) in a single measurement run, comprising: • a carrier tube (5) extending along an axis (X) between a proximal end (5p) and a distal end (5d) located downstream of the proximal end, • a measuring unit (6) coupled to the distal end (5d) of the carrier tube (5) and configured for passing through the slag layer (2), the measuring unit (6) comprising, o an electric circuit (7) configured for detecting the air-slag interface (2as), o a slag-metal interface detection unit (8) located downstream of the distal end (5d), comprising at least first and second electric measuring terminals (8ta, 8tb), and configured for measuring values of a first material property at the position (hsm) of the slag-metal interface (2sm) between the slag layer (2) and the molten metal (3), and o preferably a sensor unit (9) comprising first and second electric sensor terminals (9ta, 9tb) and configured for measuring values of a second material property of the slag layer (2) and of the molten metal (3), o a cap (10) enclosing the slag-metal interface detection unit (8) and optionally the sensor unit (9), configured for separating the slag-metal interface detection unit (8) from an outer environment.
Owner:VESUVIUS REFRATARIOS LTDA +1

Extrusion method for regenerated aluminum profile with complex section

The invention discloses an extrusion method of a regenerated aluminum profile with a complex section, and relates to the technical field of aluminum profile processing, and the extrusion method comprises the following operation steps: S1, raw material pretreatment: crushing waste aluminum subjected to impurity removal to form aluminum particles, and cleaning the aluminum particles by using a sodium hydroxide solution with the mass concentration of 5-8% at the temperature of 50-60 DEG C for 15-20 minutes; according to the extrusion method for the regenerated aluminum profile with the complex section, various impurities in waste aluminum are effectively removed through a manual and mechanical combined sorting mode in cooperation with multiple impurity removal technologies such as magnetic separation, eddy current separation and wind power separation, and then standardized treatment such as crushing, alkali washing and drying is conducted, so that efficient recycling of regenerated aluminum resources is achieved, resource waste is reduced, and the production cost is reduced. And a clean and uniform raw material basis is provided for subsequent procedures, profile defects caused by impurity residues are avoided from the source, and the raw material utilization rate and the product percent of pass are increased.
Owner:NANCHANG UNIV +2

Chain type aluminum casting machine with cooling function

The utility model discloses a chain type aluminum casting machine with a cooling function. In the prior art, after casting of one product is completed, a mold needs to be replaced manually or the product needs to be moved manually, the process is time-consuming and labor-consuming, and the production efficiency is low; natural cooling or simple fan cooling is adopted, enough cooling speed and uniformity cannot be provided, and products have defects; the utility model relates to a continuous production line, in particular to a continuous production line, which solves the technical problems that a heating area and a cooling area are not connected by an effective conveying system, continuous production is difficult to realize, and the overall efficiency of the production line is limited in the prior art. The continuous production line comprises a chain type conveying belt, a cooling device and a plurality of molten aluminum molds, the molten aluminum molds are evenly fixed to the chain type conveying belt, one end of the chain type conveying belt is located below the molten aluminum distributor, the demolding device is arranged at the other end of the chain type conveying belt, and the cooling device is located at the middle end of the chain type conveying belt.
Owner:QINGCHUAN FUCHENG NEW MATERIALS CO LTD

METAL CASTING METHOD AND SYSTEM

A system (1) for casting metal (2), the system (1) comprising a mold (6) with a feeder (4) supplying a casting section (3). The system (1) comprises an insulating sleeve (10) surrounding at least a portion of the feeder (4) and an induction coil element (20) for placement outside the insulating sleeve (10). The induction coil element (20) comprises an induction coil (21) and a cooling channel (22) for controlling the temperature of the metal (2) within the feeder (4). The system (1) comprises a control unit (30) connected to the induction coil element (20) for controlling power to the induction coil (21) and for providing a flow of coolant to the cooling channel (22). The system further comprises a temperature sensor (40) for sensing a temperature at a fixed location within the feeder (4), the temperature sensor (40) being in communication with the control unit (30).
Owner:EFFEE FOUNDRY AS

A tundish slag amount and slag layer detection method

The application discloses a tundish slag layer detection method, and relates to the technical field of tundish, and comprises the following steps: step one, starting the driver installed on the gantry to make the opening of the tundish face the working surface; step two, starting the slide rail below the gantry to move the multi-axis arm robot to the exact position below the tundish to make the arm robot completely cover the inner cavity of the tundish with the high-definition probe on the end; the technical key points are that the whole tundish is inverted, the high-definition probe is combined with the identification and calculation technology of the slag layer, on the one hand, the total mass Mt of the slag layer can be efficiently estimated and processed, and on the other hand, the accuracy of the total mass Mt result calculation of the slag layer can be ensured, the comparison result of the slag layer removal efficiency prediction value Xy and the standard threshold value can be used to obtain the prediction efficiency of the cleaning work after the tundish slag layer detection is completed, and the subsequent related adjustment can be carried out according to the prediction efficiency.
Owner:JIANGSU YONGGANG GROUP CO LTD

Adaptive temperature measuring casting machine and casting method thereof

This invention discloses an adaptive temperature-measuring casting machine and its casting method. The casting machine includes a motion execution module, a parameter acquisition module (the parameter acquisition module includes a visual positioning unit and multiple sensors, which are used to detect the tilt angle α of the casting ladle, the moving speed v, and the molten metal flow rate Q), an adaptive temperature measurement module, and a central control module. The motion parameters of the casting machine, including the tilt angle sequence, the translational speed sequence, and the casting flow rate, are used as "pre-input variables" of the temperature measurement system. These variables are transformed from "independent variables used only for casting positioning" into "pre-input signals of the temperature measurement system." Based on the "casting action-liquid surface state" mapping relationship, a collaborative link is established between the mechanical execution end and the optical detection end. Wavelength matching is initiated instantaneously when the motion parameters change, thereby providing a "predictive response" to changes in the liquid surface, optimizing the temperature measurement parameters in advance, and achieving the precise temperature control requirements for casting production.
Owner:ANHUI HELI (LUAN) FOUNDRY CO LTD

Casting box opening efficiency intelligent optimization system and method integrated with IoT sensing network

The invention relates to the field of intelligent manufacturing, in particular to a casting box opening efficiency intelligent optimization system and method integrated with an IoT sensor network, and the system comprises a data monitoring module, an abnormality feedback module, a data analysis module and an intelligent adjustment module, monitors and collects required data, determines a box opening hedging coefficient and a box opening instantaneous coefficient, and improves the efficiency of casting box opening. The method comprises the following steps: calculating a peeling vibration characterization value, judging whether a box opening state has an abnormal vibration tendency, and for the box opening state with the abnormal vibration tendency, calculating a box opening adjustment characteristic value in combination with a motion synchronization characterization value obtained through analysis and an impurity influence characterization value so as to judge whether the box opening state needs to be adjusted. And aiming at the box opening state needing to be adjusted, calculating an adjustment effective value, and determining a signal sending type. According to the method, internal factors and external factors causing vibration in the box opening process are analyzed, abnormal vibration tendency judgment and box opening state adjustment judgment are conducted on the box opening state, specific vibration in the box opening process is reduced, and the box opening efficiency is improved.
Owner:CHIZHOU XINLIDA TECHNOLOGY CO LTD

Method and device for judging vortex slag entrapment of continuous casting crystallizer

The invention relates to the technical field of ferrous metallurgy continuous casting, in particular to a method and a device for judging vortex slag entrapment of a continuous casting crystallizer, and provides a slag entrapment judgment index with clear physical significance on the basis of conventional physical property parameters capable of being directly detected or calculated in continuous casting production from the nature of fluid mechanics. The index eliminates dimensional difference, has universality and comparability, and can provide a universal, quantitative and accurate vortex slag entrapment judgment basis for continuous casting production. When the size of the crystallizer and the depth of the water gap are fixed, the critical value of the slag entrapment judgment index is also fixed, it is ensured that the judgment standards are consistent under the same equipment configuration, and practicability and stability are achieved. In the actual production process, whether vortex slag entrapment occurs or not can be judged by calculating the simple comparison between the actual index value and the critical value, the slag entrapment severity can be quantified, a stable and convenient technical support is provided for adjusting the continuous casting technology in time and preventing and controlling slag entrapment, and the production quality of steel billets is effectively improved.
Owner:SUZHOU UNIV

Mold cooling system, mold cooling method

This invention provides a mold cooling system and method that can detect the boiling of the liquid refrigerant used to cool the mold at an early stage and control the cooling conditions of the mold. [Solution] The mold cooling system according to the present disclosure is a mold cooling system that cools a mold by flowing a liquid refrigerant through a refrigerant channel formed in the mold, and comprises a pressure acquisition means for acquiring the pressure value of the refrigerant in the refrigerant channel, and a boiling determination means for determining whether or not the refrigerant is boiling based on the pressure value, wherein if the pressure value exceeds a threshold, the boiling determination means determines that the refrigerant has boiled.
Owner:TOYOTA JIDOSHA KK

A slab continuous casting high-temperature casting blank surface temperature on-line detection method

The present application relates to a kind of slab continuous casting high temperature casting blank surface temperature on-line detection method, belong to slab continuous casting technical field, comprising the following steps: S1: based on film temperature sensor production detection piece and measuring disc, and according to process requirement in corresponding two cooling zone sector segment clamp roll installation;S2: local transient heat conservation analysis is carried out to temperature measurement node, obtains the heat balance equation of considering conduction, convection and radiation heat transfer mode;S3: based on single node temperature time series discrete algorithm and according to temperature detection value, the heat balance equation is carried out numerical calculation, to reconstruct the actual temperature of the side above water film on slab surface is determined;S4: boiling heat transfer mechanism theory analysis is carried out, determines its corresponding critical characteristic temperature and the heat transfer mode where it is;S5: under stable film boiling heat transfer mechanism, according to classic flat plate temperature analytical theory, combined with the temperature of the side above water film on slab surface obtained again reconstruction calculation, to finally obtain the real temperature value of slab surface.
Owner:CISDI RES & DEV CO LTD +1

A high-efficiency casting process based on high-strength casting cup outer frame

This invention relates to the field of casting technology, and more particularly to an efficient casting process based on a high-strength cast pouring cup outer frame. The casting process includes acquiring process state parameters at detection points, obtaining outer frame thermal field parameters and interface pressure field parameters, fusing them to generate a comprehensive pouring feature vector, inputting it into a process state recognition model, determining the current process state category and outputting the category confidence score, thereby obtaining a process category selection set and an accurate recognition rate to determine whether the recognition result meets the standard; selecting the corresponding process state category from the selection set and determining the corresponding compensation degree, thereby performing compensation control operations; finally, determining the control efficiency index based on the re-acquired process state parameters after the compensation control operation, and determining whether to adjust the preset compensation degree until the control effect meets the standard. This invention solves the problem of isolated process parameters and inability to adaptively adjust in existing technologies, effectively improving the demolding success rate and reducing the casting defect rate.
Owner:FUXIN LIDA STEEL CASTING

Automatic alignment device for mold shell

The utility model relates to the technical field of automatic alignment devices, and discloses an automatic alignment device for a formwork, which comprises a pouring furnace body, a control computer is fixedly mounted on the left side of the pouring furnace body, and an infrared laser generator and a camera are fixedly mounted on the inner side of the top of the pouring furnace body. A double-shaft moving platform is fixedly mounted on the inner side of the bottom of the pouring furnace body, an ash removal mechanism is arranged outside the double-shaft moving platform, and a formwork table placing mechanism is arranged on the top of the top ash removal mechanism. According to the automatic alignment device for the mold shell, the position of the mold shell can be adjusted in a two-way mode through transmission of the arranged double-shaft moving platform, then the device adapts to diversified production of poured products, meanwhile, the position of the mold shell can be adjusted under assistance of an infrared laser generator and a camera, and a sealing rotating cover drives an air outlet pipe to rotate; and dust and chippings on the surface of the threaded rod in the double-shaft moving platform are removed, and the operation stability of the automatic mold shell alignment device is improved.
Owner:SUPER PRECISION (SUZHOU) AVIATION PRECISION MASCH MFG CO LTD