87 results about "Continuous casting mold" patented technology

The present invention relates to the technical field of steel metallurgy process simulation, and specifically relates to a simulation method for particle motion and interaction behavior within a continuous casting mold. The simulation method comprises the following steps: acquiring mold parameters and establishing a model; performing fluid domain volume extraction and structured mesh division on the model; importing the mesh model into simulation software and performing iterative solution; establishing injection points for argon bubbles and inclusions within the mold, compiling and calculating the flotation removal of argon bubbles and inclusions at a steel-slag interface, the capture thereof at a solidification front, and collision-aggregation, and performing coupled computation; and post-processing the simulation results to obtain the flow field, temperature field, solidified-shell distribution, and discrete-phase motion behavior within the mold at different time points. The method of the present invention enables analysis of the motion and interactions of discrete-phase particles such as argon bubbles and inclusions within the mold, thereby accurately predicting the distribution of the particles in the molten steel and the solidified shell.

The invention relates to the technical field of continuous casting crystallizers, and discloses a detachable multi-stage water-cooling crystallizer structure and application thereof in copper column continuous casting, the detachable multi-stage water-cooling crystallizer structure comprises a cooling system and a crystallization pipe, the cooling system is used for cooling the crystallization pipe, the crystallization pipe comprises a plurality of crystallization plates, and the crystallization plates are arranged in the crystallization pipe. The crystallization pipe is formed by mutually splicing a plurality of crystallization plates in the direction around the axis of the crystallizer and the axial direction of the crystallizer, and the crystallization plates can move in the axial direction, so that replacement of the crystallization plates is realized; the cooling system comprises cooling pipes, the pipe walls of the cooling pipes are tightly attached to the outer pipe walls of the crystallization pipes, the crystallization plates correspond to one or more sets of cooling pipes, and the cooling system has the advantages that in the continuous casting production process, partition replacement of crystallizer copper plates can be achieved, the production cost of copper column continuous casting is reduced, and the production efficiency is improved.

The invention relates to an automatic control method for electromagnetic stirring parameters of a slab continuous casting crystallizer, which comprises the following steps of: 1, selecting a proper water gap immersion depth according to the condition of a continuous casting production field, 2, networking to obtain technological parameters such as a casting blank section, a casting speed, the water gap immersion depth and an argon blowing flow, and 3, automatically controlling and calculating the electromagnetic stirring parameters. The method comprises the following steps: step 1, calculating the most preferential stirring parameter under the current working condition through table look-up and interpolation calculation, step 4, outputting an electromagnetic stirring current parameter, step 5, executing the output electromagnetic stirring parameter, step 6, tracking the quality of a continuous casting slab product, repeating the steps 1-6 at regular time, and repeating the steps 2-6 under the condition that the step 1 is not changed. According to the scheme, casting blank surface defects are effectively removed, and the product quality is improved. After the optimized method is adopted, the occurrence rate of longitudinal cracks on the surface of the steel grade is reduced to 1.96% from 4.73%, and the defect rate of the steel grade is reduced to 3.93% from 8.41%.

The invention relates to the technical field of continuous casting, in particular to a composite vibration continuous casting crystallizer and a working method thereof. The composite vibration continuous casting crystallizer comprises a crystallizer body composed of wide-edge side walls and narrow-edge side walls, and the two oppositely-arranged wide-edge side walls and the two oppositely-arranged narrow-edge side walls jointly form a cavity for containing metal melt and generating a continuous casting billet. The wide-edge side wall is connected with the horizontal vibration device, the narrow-edge side wall is connected with the vertical vibration device, the wide-edge side wall vibrates in the horizontal direction during continuous casting, and the narrow-edge side wall vibrates in the vertical direction during continuous casting. According to the continuous casting crystallizer, a vibration mode combining horizontal vibration and vertical vibration is adopted, continuous casting billets with slight vibration marks or even no vibration marks can be obtained, meanwhile, a liquid casting powder channel is smooth, and the continuous casting billets in the crystallizer can be cooled more sufficiently and evenly.

Provided herein is a system, apparatus, and method for providing casting gas to a direct chill casting mold, and more particularly, to supplying casting gas to a direct chill casting mold at a well-regulated pressure and volume using fluid injectors. Systems for supplying casting gas to a continuous casting mold can include: a continuous casting mold cavity; a casting gas supply line; an injector receiving casting gas from the casting gas supply line; and a post injector casting gas supply line, where the casting gas supply line provides casting gas at a pressure above 300 psi (pounds per square inch) to an input of the injector, where a controller controls the injector to supply casting gas via the post injector casting gas supply line to the continuous casting mold cavity.

The present application relates to continuous casting pouring technical field, especially to a kind of titanium-containing alloy steel liquid's continuous casting pouring device and method, including ladle and tundish and workstation, workstation is rotatably installed with load plate, two ladle positions for placing ladle are opened in load plate, the bottom of workstation is fixedly connected with the induction coil long shroud that is communicated with ladle, tundish is fixedly connected with breather bushing, breather bushing is inserted with breather stopper, tundish outside is equipped with tank for guiding argon, the bottom of tundish is provided with induction coil submerged entry nozzle, for guiding molten steel into continuous casting crystallizer, tundish bottom is provided with slow flow mechanism for slowing down the impact force of molten steel falling, the argon is injected in the breather stopper, the titanium-containing steel with poor fluidity is not dead in tundish nozzle, after molten steel flows into tundish nozzle, induction coil submerged entry nozzle also generates induction magnetic field, so that molten steel does not solidify before entering crystallizer.

The application provides a thin slab continuous casting crystallizer copper plate with a cooling structure and relates to the technical field of metallurgical continuous casting. In the two flat parts of the cooling surface, each flat part includes high-temperature zone flow guide cooling ribs, transition zone flow guide cooling ribs and low-temperature zone flow guide cooling ribs between the two adjacent cooling zones, and the height and width of the high-temperature zone flow guide cooling ribs are smaller than the height and width of the transition zone flow guide cooling ribs and the height and width of the low-temperature zone flow guide cooling ribs; the cooling water groove includes high-temperature zone cooling water grooves, transition zone cooling water grooves and low-temperature zone cooling water grooves, and the width of the high-temperature zone cooling water grooves is larger than the width of the transition zone cooling water grooves and the width of the low-temperature zone cooling water grooves. Through the optimized design of the high-temperature zone, the cooling capacity of the copper plate is improved, the temperature of the hot surface of the eddy current zone with high heat flux density is reduced, the occurrence of the copper plate crack phenomenon is improved or completely eliminated, and the service life of the copper plate is prolonged.

The invention discloses low-viscosity stable casting powder suitable for high-speed continuous casting of Q355B steel, belongs to the technical field of casting powder preparation, and aims at solving the technical problem that the melting performance and the operation stability of existing continuous casting powder need to be further improved in the using process. According to the invention, lithium boron aluminum silicon glass precursor powder, oxygen-nitrogen crystal control micronucleus powder and calcium magnesium phosphorus boron viscoelastic powder are synergistically introduced into the continuous casting mold flux, and systematic configuration is carried out on the preparation and batching process, so that a multi-layer synergistic structure organization path covering the whole process of melting starting, liquid slag formation and slag film evolution is constructed; according to the technical scheme, the casting powder keeps proper viscosity, low melting temperature and short melting time, co-evolution of liquid phase generation and slag film formation is achieved, and stable interface behavior and structural response are shown in actual continuous casting operation; and therefore, the occurrence tendency of defects such as pinhole bubbles, honeycomb bubbles and middle cracks on the surface of the Q355B steel continuous casting billet can be reduced.

The present application relates to a kind of embedded film thermocouple array heat flow sensor for slab continuous casting crystallizer and on-line monitoring method, belong to continuous casting process detection technical field.Sensor includes flexible insulating substrate, thin film thermocouple array being arranged on the surface of flexible insulating substrate, lead electrode being connected with thin film thermocouple array, and protective packaging layer for covering thin film thermocouple array.Monitoring method includes, calibrating sensor is embedded in crystallizer copper plate hot face, real-time acquisition potential signal output by each subunit of thin film thermocouple array;Local heat flow density at each thermocouple subunit is calculated, and the instantaneous heat flow distribution cloud picture of crystallizer copper plate surface is reconstructed by interpolation method;When local heat flow density exceeds preset threshold or heat flow fluctuation amplitude exceeds set range, prewarning signal is sent.The present application realizes the in-situ, direct measurement of crystallizer hot face heat flow, response speed is fast, can realize transient heat flow measurement and the fine measurement of local heat flow distribution.

The utility model discloses an up-drawing continuous casting crystallizer for oxygen-free copper material production, which comprises a crystallizer body, a cooling copper sleeve is arranged in the crystallizer body, a graphite shaping pipe is arranged in the cooling copper sleeve in a penetrating manner, a water inlet and a water outlet are arranged on the outer end face of the crystallizer body and are respectively communicated with the cooling copper sleeve, and the water inlet and the water outlet are communicated with the cooling copper sleeve. A copper forming channel is formed in the center of the graphite shaping pipe, and plugging assemblies are arranged at the two ends of the crystallizer body to plug and fix the cooling copper sleeve and the graphite shaping pipe. The utility model belongs to the technical field of copper material crystallizers, and particularly solves the problems that after a cooling copper sleeve in a crystallizer in the prior art is used for a long time, incrustation is formed in the cooling copper sleeve, so that the cooling effect on a graphite sizing pipe is influenced; and the upward continuous casting crystallizer for producing the oxygen-free copper material solves the problem that a cooling copper sleeve is not convenient to disassemble and replace.

The application belongs to the technical field of steel smelting equipment, in particular to a 82B smelting furnace capable of improving liquid level fluctuation of a continuous casting crystallizer, which comprises a bottom plate and a furnace lining; a lifting mechanism is arranged at one end of the top of the bottom plate, a furnace body is arranged inside the furnace lining; a pulling mechanism is arranged at the other end of the top of the bottom plate and rotates through the output shaft of a motor, synchronously controls the pulling mechanism and the lifting mechanism, and tilts when the height of the furnace body is lowered, so as to further reduce the distance between the discharge port of the furnace body and the receiving grinding tool, replace refined ferrosilicon with silicon carbide to be added into the furnace body through the discharge port during tapping, solve the problem of insufficient height adjustment of the furnace body, pour out the molten steel from a high place, have a large potential energy, easily produce liquid level fluctuation during continuous casting pouring, and due to high magnesia basicity of the furnace lining and poor flowability of the molten steel, the molten steel cannot be effectively decontaminated during refining, so as to frequently cause liquid level fluctuation, cause a large amount of billet cutting waste, and affect the production cost.

This invention provides a method for evaluating the sensitivity of slag entrainment, comprising: acquiring the geometric structural parameters of a continuous casting mold in actual production and defining casting parameters; establishing a three-dimensional geometric model of the continuous casting mold and nozzle, extracting the computational domain used to solve the molten steel flow, performing structured mesh generation, and obtaining a mesh model of the molten steel computational domain within the mold; importing the mesh model of the molten steel computational domain within the mold into simulation software, selecting a computational model, defining physical property parameters and boundary conditions, setting the thickness of the slag layer and air layer, performing initialization operations, and then iteratively solving the problem, exporting the calculation results; importing the calculation results into fluid dynamics post-processing software, setting a slag-metal interface, and arranging velocity monitoring points below it to obtain the velocity sequence and slag entrainment ratio sequence of each monitoring point; calculating the distance correlation coefficient of the velocity sequence and the slag entrainment ratio sequence, and using the distance correlation coefficient to evaluate the sensitivity of slag entrainment to the velocity of each monitoring point.

The present application relates to the field of steelmaking, to solve the problem of high segregation degree of the casting blank when the prior art improves the equiaxed crystal rate of the casting blank by low superheat, and provides a production process of high homogenization steel, comprising: the molten steel passes through a continuous casting crystallizer to obtain a casting blank; the continuous casting crystallizer comprises a crystallization cylinder and a cooling cylinder, the cooling cylinder is sleeved on the crystallization cylinder; the wall thickness of the crystallization cylinder gradually decreases during extending along the flow direction of the molten steel; the relationship between the wall thickness change rate, the superheat and the equiaxed crystal rate is obtained to obtain a first set of pairs; the segregation index of the casting blank under the first set of pairs is obtained to obtain a second set of pairs; the second set of pairs comprises the wall thickness change rate and the superheat; the superheat of the molten steel and the wall thickness change rate meet the second set of pairs. The present application increases the weak point of the columnar crystal structure of the crystallizer with a specific structure, promotes the occurrence of the breaking phenomenon, promotes the increase of the free crystal nucleus, and reduces the segregation degree under the condition of ensuring the equiaxed crystal rate.

The utility model discloses a continuous casting crystallizer liquid level detector storage support which comprises a supporting plate, a rotating mechanism is installed on one side of the supporting plate, a detector is fixed to one side of the bottom end of the rotating mechanism, a cooling mechanism is fixed to the other side of the supporting plate, and the cooling mechanism comprises an air pipe penetrating through the top end of the supporting plate. The top end of the air pipe is provided with a connector, and the bottom end of the air pipe communicates with an air injection cover. By arranging the cooling mechanism and the cleaning mechanism, the detector can be moved to the position between the cooling mechanism and the cleaning mechanism through the rotating mechanism after the detector is used, and at the moment, external cooling gas enters a gas pipe through a connector and is finally blown to the detector through a gas spraying cover to cool the detector; during cooling, the driving shaft drives the cleaning belt to rotate, and the cleaning belt can be in contact with the detection end of the detector, so that attached substances such as steel slag and metal steam are cleaned, and the influence on the use of the detector is avoided.

This application relates to a continuous casting mold flux and its preparation method, belonging to the field of metallurgical materials technology. The chemical composition of the mold flux, by mass fraction, is as follows: Ta₂O₅: 1%~5%, CaO: 38.90%~40.80%, B₂O₃: 20%~25%, CaF₂: 6.50%~8.30%, MgO: 8%~10%, SiO₂: 4.30%~5.80%, Al₂O₃: 4.80%~5.60%, MnO: 3.50%~4.60%, with the remainder being unavoidable impurities. By rationally proportioning the components Ta₂O₅, CaO, B₂O₃, and CaF₂, a low-reactivity slag system structure is formed, enabling the mold flux to effectively suppress interfacial reactions and maintain stable performance during continuous casting. Pilot-scale and industrial tests show that this mold flux has a stable consumption rate and excellent lubrication performance, with an average heat flux density of 1.45 MW / m³. 2 It can achieve uniform heat transfer control, significantly improve the surface quality of slabs, and ensure the smooth operation of continuous casting process.

The application provides a double ladle continuous casting production method of H-shaped steel and H-shaped steel, and the method comprises the following steps: preparing first molten steel and second molten steel of a first ladle and a second ladle respectively; the yield strength of a first flange is higher than that of a second flange; the first ladle and the second ladle are connected with a continuous casting crystallizer through a double-flow composite pouring nozzle, so that the first molten steel and the second molten steel are poured into the continuous casting crystallizer through the double-flow composite pouring nozzle; in the continuous casting process, the corresponding first flange forming area, second flange forming area and web forming area in the continuous casting crystallizer are independently cooled by using secondary cooling water; after the continuous casting is completed, a continuous casting billet is obtained; the continuous casting billet is heated and rolled to obtain H-shaped steel products with different performance flanges, so as to solve the problem that the current H-shaped steel production is mainly single ladle pouring, the two flanges have consistent composition and performance, and the personalized demand of single flange high strength cannot be met.

The invention discloses a continuous casting crystallizer stopper rod state identification method, which comprises the following steps of: establishing a stopper rod state identification model by collecting operation data of a crystallizer liquid level control system in real time and measuring left-right and front-back offset distances of a stopper rod on a crystallizer; and the characteristic parameters of the stopper rod are calculated in real time through the stopper rod state recognition model, the state of the stopper rod is monitored, and a state prompt or alarm is given according to threshold value comparison. The method for identifying the state of the stopper rod based on the data is simple and rapid to implement, can quantitatively give the running state of the stopper rod, has the characteristics of good real-time performance and high reliability, and can provide a guidance function for field actual production and application.

The application provides an austenitic 304 stainless steel square billet continuous casting mold flux and application thereof, and relates to the technical field of metallurgical auxiliary materials. The chemical components of the austenitic 304 stainless steel square billet continuous casting mold flux include: SiO2 29.0%-35.0%, CaO 33.0%-39%, Li2O 0.2%-0.6%, Al2O3 3.5%-7.5%, Na2O 4.6%-8.6%, F ‑ 6.0%-8.5%, MnO 2.0%-4.0%, Fe2O3≤2.0%, B2O3 0.18-1.0%, Cr2N 0.5%-0.8%, free carbon 0.1-0.2%. The chemical components of the mold flux only contain 0.1-0.2% of free carbon, and thus the generation rate of stainless steel black bands can be effectively reduced in the continuous casting process of the austenitic 304 stainless steel square billet.

This invention discloses a low thermal conductivity coating for the meniscus region of a continuous casting crystallizer. Its microstructure consists of a continuous metallic matrix phase and uniformly dispersed low thermal conductivity nanoparticles. The metallic matrix phase is either nickel-cobalt or a nickel-cobalt-chromium alloy, and the low thermal conductivity nanoparticles are zirconium oxide. The volume fraction of the low thermal conductivity nanoparticles in the coating is 5%–20%, and the average particle size is 20 nm–100 nm. This invention introduces nanoscale second-phase particles into a wear-resistant metallic matrix, which can significantly improve the coating hardness through pinning effects, etc. Furthermore, utilizing the high-density interfacial thermal resistance and dispersion strengthening effect formed by these particles, the equivalent thermal conductivity of the coating at the operating temperature is reduced to 8–20 W / (m·K), while maintaining a hardness of not less than 550 HV. This coating can effectively suppress heat flow in the meniscus region and slow down the uneven shrinkage of the initial billet shell, thereby significantly reducing the probability of surface depressions and longitudinal cracks in the billet, ensuring the wear-resistant life of the crystallizer while improving the surface quality of the billet.

The application provides a kind of optical fiber acceleration vibration detection method for continuous casting crystallizer, it is related to continuous casting crystallizer vibration detection technical field, optical fiber acceleration probe is respectively arranged in three orthogonal directions of continuous casting crystallizer, method includes: by optical fiber acceleration probe acquisition acceleration signal, obtains acceleration signal set, acceleration signal set includes at least one acceleration signal corresponding to each direction of continuous casting crystallizer in three orthogonal directions;Acceleration signal set is handled to obtain the vibration information of continuous casting crystallizer in three orthogonal directions;According to vibration information, judge whether abnormal vibration condition appears;When abnormal vibration condition appears, vibration abnormal type is identified according to vibration information;According to vibration abnormal type, generate detection report.The vibration detection method provided in the application realizes three-dimensional vibration detection using optical fiber acceleration probe, can effectively adapt to the harsh environment of continuous casting site, and provides direct basis for maintenance through the classification identification of abnormal vibration.

The utility model belongs to the technical field of steelmaking equipment, and discloses an auxiliary cover plate device convenient to replace for a continuous casting crystallizer cover plate. The auxiliary cover plate device is connected with a large cover plate of the crystallizer, namely a cover plate of the continuous casting crystallizer, in a clamping and positioning column mode, a crane does not need to be used for hoisting and re-installation alignment, the replacement process is greatly simplified, and the replacement time is shortened. Besides, the shape of the device body is matched with the shape of the feeding through hole of the continuous casting crystallizer cover plate, and the device body can be tightly clamped in the feeding through hole, so that the device can meet the requirements of cover plates with different specifications and sizes, and the device is convenient to use under the condition that the whole cover plate is not replaced. And the size of the feeding through hole can be changed by adjusting the device, so that different process production requirements are met, and the production flexibility is enhanced.

The application belongs to the technical field of steel material manufacturing, and particularly discloses a high-strength rare earth weathering steel and a preparation method thereof, which has the following chemical components in percentage by mass: C: 0.065-0.095wt%, Si: 0.35-0.45wt%, Mn: 0.70-0.85wt%, P: 0.032-0.040wt%, S≤0.005wt%, Cr: 0.40-0.46wt%, Cu: 0.18-0.25wt%, Al: 0.020-0.045wt%, Ti: 0.035-0.045wt%, rare earth elements La+Ce≥0.010wt%, O≤0.0030wt%, N≤0.0050wt%, and the balance of Fe and inevitable impurities; and the preparation method comprises the following six steps: converter smelting, LF refining, slab continuous casting, crystallizer rare earth wire feeding, continuous casting forming, hot rolling processing and finished product inspection; and the structure is ferrite+pearlite, and the grain size is 10.5 grade.

The invention discloses a steam overflow prevention control system and method for a continuous casting crystallizer, and belongs to the technical field of continuous casting crystallizers. According to the steam exhaust system, tight sealing of the upper portion of the crystallizer can be guaranteed, on the premise that steam is effectively prevented from eroding a width adjusting motor, rapid and convenient disassembly and assembly of a cover plate are achieved, and intelligent adjustment can be achieved. The control system comprises a continuous casting crystallizer body and a sealing cover, the sealing cover comprises a sealing cover body and a sealing plate, attraction force is generated between the sealing plate and the magnetic part, and through holes are formed in the positions, corresponding to the sealing plate, of the sealing plate so that the interior of the continuous casting crystallizer can be sealed. The sealing plate comprises at least one movable cover plate, and a universal shaft hole is formed in the movable cover plate and allows the universal shaft to penetrate through. The control system further comprises a secondary cooling fan, an induced draft fan, a controller, a first humidity detection piece and a second humidity detection piece. The secondary cooling fan, the induced draft fan, the first humidity detection piece and the second humidity detection piece are electrically connected with the controller.

The utility model discloses a continuous casting die which comprises a die body, a die core is arranged in the die body, a material channel is formed between the die core and the die body, one end of the material channel is a feeding port, the feeding port is formed in the die body, and the other end of the material channel is a discharging port. The discharging port is formed in one end of the die body, a cooling channel is arranged at the end of the die body, and the end, away from the discharging port, of the die core is sleeved with a die core gear. According to the continuous casting die, an existing copper rod or copper pipe thermoplastic die body is improved, when the continuous casting die is used, molten copper is fed into the feeding port of the die body, the motor drives the die core gear to rotate so as to drive the die core to rotate, and along with continuous entering of the molten copper, the molten copper is extruded in the die body and the die core material channel and is cooled through the cooling channel at the discharging port; therefore, according to the continuous casting die, after the copper rod is generated, the demolding action is not needed, the production efficiency of the copper rod is improved, and horizontal continuous casting is achieved.

The invention discloses a physical simulation device and method for a wide slab continuous casting crystallizer, and relates to the field of physical simulation. The interior of the crystallizer is filled with a GaInSn ternary alloy and a silicone oil covering slag layer; and the auxiliary equipment is used for introducing air into the crystallizer and adjusting the internal temperature of the crystallizer so as to simulate the flowing and bubble behaviors of molten steel. According to the invention, the GaInSn ternary alloy in a liquid state at room temperature is adopted as an experimental medium, and the controllable physical simulation device is established by combining the silicone oil simulation casting powder layer, so that the physical similarity and experimental safety of the simulation device are remarkably improved; and the influence of key phenomena such as molten steel flowing, bubble floating and a casting powder layer in the wide slab continuous casting crystallizer on the casting blank quality can be systematically and quantitatively studied.

The invention relates to an online real-time continuous detection method for the taper of a continuous casting crystallizer, and belongs to the technical field of continuous casting equipment state monitoring and control methods. According to the technical scheme, a laser range finder is installed, and system calibration is carried out; an industrial control computer is adopted, data processing software is carried, and full-process automatic processing of data acquisition, preprocessing and storage is achieved; on the basis of the preprocessed laser measurement data, a real-time taper calculation-dynamic threshold judgment secondary model is constructed, and accurate calculation and abnormal early warning of the taper are achieved; and outputting a detection result and responding to execution. The method has the beneficial effects that non-contact, high-precision and full-period real-time monitoring on the taper of the crystallizer is realized by reasonably arranging the laser range finder and constructing a multi-dimensional data processing model and a taper calculation algorithm, and meanwhile, the method has abnormal early warning and data tracing functions and provides decision support for casting blank quality control and equipment maintenance.

This invention discloses a continuous casting crystallizer water tank structure integrating a composite magnetic field device. The structure features a rectangular through-hole window in the middle of the main thick plate. Upper, middle, and lower transverse partitions are spaced apart within the rectangular through-hole, dividing it into an upper electromagnetic stirring installation area and a lower electromagnetic braking installation area. Longitudinal partitions are located on both sides of the rectangular through-hole. An arc-shaped bottom sealing plate is located on the bottom surface of the rectangular through-hole and below the lower transverse partitions. A cooling water circulation cavity is formed between the periphery of the rectangular through-hole, the upper transverse partitions, the lower transverse partitions, the longitudinal partitions, and the arc-shaped bottom sealing plate. A sealing plate is located on the back of the main thick plate and seals the cooling water circulation cavity. Inlet and outlet pipes are located on both sides of the main thick plate and connect to the cooling water circulation cavity. This structure provides independent and non-interfering installation space for electromagnetic stirring and electromagnetic braking, improving the structural strength and cooling performance of the water tank and ensuring stable operation of the electromagnetic equipment under complex working conditions.

The utility model provides a crystallizer copper pipe radian measuring device, which relates to the technical field of continuous casting crystallizer copper pipe detection and comprises a working table, a group of clamping mechanisms are arranged in the middle of the working table, and each clamping mechanism is composed of a first electric motor, a bidirectional threaded rod and a clamping plate. A set of conveying mechanism and a set of measuring mechanism are installed above the workbench. The conveying mechanism is jointly composed of a first positioning frame, a second positioning frame, a second electric motor and a conveying wheel. According to the crystallizer copper pipe radian measuring device, a special measuring mechanism is adopted, the positioning plate is hinged to the positioning frame through the rotating block and is elastically supported by the torsion spring, so that the roller on one side of the positioning plate can be in flexible contact with the inner wall of the crystallizer copper pipe, and the roller can move up and down along with the radian of the inner wall in the moving process of the extension pipe; and the positioning plate rotating block is driven to generate torque change.

This utility model relates to a cooling pipe for a continuous casting billet crystallizer, belonging to the technical field of continuous casting crystallizers. It includes a copper pipe and a water jacket, both being square in shape. The copper pipe is placed inside the water jacket, forming a water gap between them. Multiple axially extending intermediate water grooves are provided on the four outer surfaces of the copper pipe. The depth of these intermediate water grooves on each outer surface of the copper pipe is such that the groove at the center of the plane is deeper, while the grooves on the two sides are shallower. The top surfaces of the intermediate water grooves on each outer surface of the copper pipe are flush, and the depth gradually decreases from the center of the plane to the two sides. This reduces excessive cooling at the corners of the copper pipe, avoids the "sharp corner effect," achieves uniform cooling of the copper pipe, and reduces the risk of corner cracks in the cast billet. It effectively controls the pulsation of the cooling water, reduces the occurrence of "hot spots," improves the cooling effect, and extends the service life of the crystallizer copper pipe.