83 results about "Strip casting" patented technology

The invention relates to the technical field of thin-strip continuous casting, in particular to an intelligent stainless steel production method combining RKEF smelting and a double-roller thin-strip cast rolling technology.According to the method, the RKEF technology is directly coupled with the stainless steel refining and thin-strip continuous casting technology, firstly, based on target product requirements, an intelligent batching model is adopted for calculating furnace charge of an RKEF furnace; then, based on RKEF molten nickel iron components, an intelligent batching model is adopted to conduct collaborative optimization calculation on added ingredients of the AOD furnace (a dynamic blowing control model is adopted to conduct real-time optimization on the proportion and flow of mixed gas of O2, Ar and N2), and cost optimal dynamic batching under multiple constraints is achieved; then, a neural network algorithm GAN with physical constraint PI is used for predicting components and temperature, predicted values of the components and the temperature and control instructions are output, the metallurgical physical law is used as hard constraint to be embedded into model training, a control decision is made to fit data and conform to scientific rules, process control is conducted accurately, the whole process is more energy-saving, and the method is suitable for large-scale popularization and application. And carbon dioxide emission is reduced.

The present application relates to thin strip continuous casting production technical field, specifically to a kind of automatically controlled double-roller thin strip continuous casting production process in molten pool height method, comprising: laser ranging module and visual perception module are arranged;Embedded processing module processing;Using deep learning algorithm establishes molten pool height dynamic prediction model, outputs molten pool height prediction value;Using adaptive sliding mode control as main controller, the displacement of servo hydraulic stopper is output;Based on the displacement of servo hydraulic stopper, molten pool height control is carried out.The method utilizes laser to provide accurate distance reference, visual sensing provides molten pool liquid level information, improves detection accuracy and reduces environmental interference through machine vision algorithm;And based on process parameters and real-time information of sensor, molten pool height prediction model is constructed using neural network algorithm with physical constraint;Join reinforcement learning optimizer to adjust sliding mode control parameters online, so that it adapts to working condition change to carry out high-precision, fast-response molten pool height control.

The present application relates to the technical field of stainless steel thin strip continuous casting, and provides a method for improving the solidification stability of thin strip continuous casting stainless steel, which comprises the following steps: obtaining an initial parameter set of the thin strip; obtaining an initial process parameter set; performing thin strip continuous casting in combination with the obtained process parameter set; measuring the molten pool liquid level, the casting and rolling force, the casting roll surface temperature and the casting strip surface temperature in real time during the thin strip continuous casting process; judging according to a judgment condition; if adjustment is needed, obtaining an adjusted process parameter set and returning; otherwise, proceeding to the next step; completing the thin strip continuous casting to obtain a thin strip product. In the present application, the molten pool liquid level, the casting and rolling force, the casting roll surface temperature and the casting strip surface temperature during the thin strip continuous casting process are measured in real time and judged according to corresponding judgment conditions, and through the establishment of real-time collaborative control of "liquid level-heat transfer-casting and rolling force-roll gap", the surface quality and the microstructure uniformity are improved while ensuring the continuous and stable production of stainless steel casting strip with a thickness of ≤2 mm.

The invention relates to an ultrathin lead-acid battery pole plate and a production method thereof. The production method is characterized by comprising the process steps of casting a lead belt, calendering, preparing lead paste and coating a plate. The polar plate assembly formed by the battery polar plates processed by the method is compact in structure, the performance of a finished product is superior to that of a polar plate produced by a gravity casting method, the whole process of casting a lead belt does not need to be watched by workers on the spot, the subsequent calendaring and pasting processes are carried out at room temperature, and lead smoke and lead slag which can be inhaled by a human body are not generated; meanwhile, the automation degree is high, the energy consumption is low, the labor intensity of workers is small, waste materials can be rapidly recycled, material waste is reduced, the production efficiency of the battery pole plate can be remarkably improved, then the production efficiency of the battery is improved, and the produced battery can meet the use requirements of small size and high capacity density at the same time; the popularization and application values are realized.

A plate strip casting blank rolling blank defect online detection method comprises the steps that a rolling blank surface image detection device is installed in an outlet area of a reversible rolling mill or a roughing mill, rolling blank surface images of different thicknesses are collected online, and the positions and sizes of defects generated on the rolling blank surface of each pass are recognized and analyzed through an image mode; and judging whether the area where each defect source is generated is in the rolling area or the smelting area, and gradually restoring the distribution and size of the defects in the original strip casting blank according to the images of the connected rolling passes in sequence for the defects in the smelting area.

The application provides a roll gap control method of a double-roller thin strip process and a double-roller thin strip casting device. In the preparation process, relative movement between two rollers is controlled, or relative movement between the two rollers and control of the roll system in the form of overall movement are controlled to move on the double-roller thin strip casting machine, so that the roll gap only produces floating which can play a role in stabilizing the process and / or improving the quality of the blank. Compared with the traditional roll gap two-way floating method, the technical solution of the application does not cause two-way fluctuation of the roll body clamping force, and does not produce fluctuation of the thickness of the blank. The shear thinning behavior of the semi-solid material can be inhibited, so that the peak pressure of the molten pool is weakened, which is beneficial to real-time control, can prevent various process stability problems such as liquid leakage of the side sealing plate, damage of the side sealing plate, strip jamming and strip breaking, and can also prevent various blank quality problems such as cracks and wrinkles.

The invention provides a method for eliminating the color difference defect on the surface of hot-rolled low-carbon thin strip steel with high efficiency and low cost. According to the method, the chemical components and the strip casting temperature of the hot-rolled low-carbon thin strip steel and the introduction amount of N2 protective atmosphere in the first hot box, the second hot box and the third hot box are optimized, meanwhile, the air flow of the upper surface and the lower surface in the third hot box is controlled, the low oxidation environment is kept, it is guaranteed that rolling lubrication of the hot-rolled low-carbon thin strip steel is guaranteed, and thin oxide skin is generated before rolling; and then the layer cooling outlet temperature and the coiling temperature are controlled, and the uniformity of the strip steel transverse cooling outlet temperature and the coiling temperature is guaranteed. By applying the method, the thickness and the structure of the hot-rolled low-carbon thin strip steel oxide skin can be uniform and consistent, and the defect of color difference on the surface of the thin-strip cast-rolled low-carbon thin strip steel is efficiently eliminated at low cost.

The invention belongs to the technical field of stainless steel production, and particularly relates to a stainless steel double-roller ultrathin strip cast rolling and on-line solid solution integrated arrangement structure which is sequentially provided with a double-roller cast rolling machine, a hot box, a single-rack four-roller irreversible rolling mill, an on-line solid solution device, an ultrafast cooling device, a flying shear and a coiling machine in the direction of a solid solution stainless steel strip production line. Compared with the prior art, the cast rolling and online solid solution integrated arrangement structure for the stainless steel double-roller ultrathin strip has the advantages that on one hand, waste heat generated after cast rolling is fully utilized, and secondary heating before solid solution is omitted; on the other hand, the process chain is shortened, and the energy consumption of intermediate carrying and storage is reduced; and finally, waste heat can be efficiently recycled, and the waste heat after casting and rolling is used for solution treatment, so that carbon emission is reduced.

The invention belongs to the technical field of synthetic fiber modification, and discloses a polyester fiber suitable for non-aqueous medium dyeing and a preparation method thereof.The preparation method comprises the steps that firstly, terephthalic acid and ethylene glycol serve as raw materials, a composite bimetallic catalyst and an esterification accelerant containing siloxane groups are added, and pulping is conducted to form slurry; continuously feeding the slurry into an esterification reaction kettle for esterification reaction, and performing condensation polymerization on an esterification product to obtain a polyester melt; finally, sequentially carrying out strip casting, pelletizing and solid-phase tackifying on the polyester melt to obtain high-viscosity polyester chips, and carrying out melt spinning to obtain the polyester fiber suitable for non-aqueous medium dyeing. When the esterification product is sent out, the esterification product accounting for 40-60% of the effective volume always exists in the esterification reaction kettle; the content of oligomer in the product is lower than 0.6 wt%, and the proportion of cyclic trimer in the oligomer exceeds 60%. The method provided by the invention effectively solves the problems of color spots and uneven dyeing caused by oligomer precipitation; the prepared product is excellent in dyeing performance.

The invention relates to a strip casting machine for casting a metallic strip from a molten metal with circumferential caterpillar tracks for forming a cooling section for actively cooling the molten metal, wherein at least two circumferential caterpillar tracks are arranged one behind the other, which can be individually activated or deactivated to vary the length of the cooling section.

The invention relates to a system for producing a continuously cast material strip conveyed along a conveying path in the conveying direction, having a continuously operating strip casting machine for primarily shaping the material strip, wherein a manipulation device for manipulating the strip speed is provided downstream of the strip casting machine, the manipulation device being used to supply a strip reserve between the strip casting machine and the manipulation device and / or a strip counterpressure at the strip casting machine.

The invention belongs to the field of steel production, and relates to a method for producing 500MPa-grade Sb-containing weathering steel based on thin-strip cast rolling. The production method comprises the following steps: (1) smelting molten steel with the chemical component of Clt; 0.03% of Si, 0.30%-0.80% of Mn < lt >; the alloy comprises the following components in percentage by weight: 1.0% of Ni, 0.05%-0.20% of Sb, 0.03%-1.50% of P, less than or equal to 0.008% of S, less than or equal to 0.008% of N, 0.40%-1.40% of Cu, 0.50%-1.40% of Cr and 0.10%, 0.05 to 0.20% of Nb, and the balance being Fe; (2) thin-strip continuous casting is conducted, specifically, molten steel which is smelted to be qualified is subjected to continuous casting through a pair of copper casting rollers rotating oppositely to form a casting strip; (3) carrying out one-pass hot rolling on the cast strip to obtain thin strip steel, wherein the temperature of the strip steel after rolling is 850-1000 DEG C; and (4) cooling and coiling the hot-rolled strip steel to 450-600 DEG C through aerial fog, and coiling the hot-rolled strip steel into a coil. And uniform and fine ferrite and a small amount of pearlite structures are obtained. The thin-strip continuous casting 500MPa-grade Sb-containing weathering steel has the characteristics of short production process, low production cost, good strip steel plate shape, easiness in welding and corrosion resistance.

A casting roller shape design method for cooperative control of thermal convexity compensation and edge reduction is suitable for improving casting strip section defects caused by large thermal convexity of a casting roller in the thin strip casting and rolling process and comprises the steps that a casting roller body curve is divided into a middle area and an edge area according to the thermal expansion distribution condition of the casting roller, the middle area plays a key role in the overall section contour shape of the casting strip, and the edge area adjusts the rolling reduction to avoid the edge crack defect of the casting strip. A cosine curve of the middle area is designed based on the preset maximum-diameter roller shape height and the casting roller thermal convexity; then superposing two sections of cosine curves to obtain an edge curve; and further, in combination with continuous and smooth connection conditions of the curve, a roll shape curve of the whole roll body is finally obtained. According to the method, the roll shape of the casting roll is designed based on the piecewise function, the hot convexity compensation principle is followed, meanwhile, the edge pressing control of the casting strip is considered, the problem that the section shape of the casting strip is poor due to thermal expansion of the casting roll is effectively solved, and the probability of the edge crack defect of the casting strip is reduced.

The present application belongs to the technical field of aluminum matrix composite material preparation, and particularly relates to a preparation method of reinforced aluminum matrix composite material by vacuum reciprocating smelting assisted thin strip casting and rolling. The method comprises the steps of aluminum matrix material preparation, ceramic / aluminum matrix composite powder vacuum ball milling, aluminum matrix and ceramic / aluminum matrix composite powder vacuum reciprocating smelting, thin strip casting and rolling, cast strip preliminary treatment, cast strip heat treatment, hot rolling, cold rolling and performance optimization. The aluminum alloy matrix rod with specific components is selected, the ceramic particle / aluminum matrix composite material powder with a mass fraction of 5% to 25% is prepared by vacuum ball milling, and the surface of the ceramic particle is completely attached with aluminum powder to ensure good wetting of the particle and the aluminum matrix. Subsequently, the thin strip casting and rolling, heat treatment, hot rolling and cold rolling and other treatments are performed. Finally, the ceramic / aluminum matrix composite material with the ceramic particles uniformly distributed on the matrix is prepared, which exhibits excellent tensile strength, elongation and wear resistance, and no grain boundary segregation phenomenon.

This invention provides a slitting device, including a grooved roller and multiple sets of slitting cutters. The grooved roller is rotatable around a central axis, with its outer circumference in contact with the material for continued downstream conveying and for cutting the material together with the multiple sets of slitting cutters. The outer roller surface of the grooved roller has multiple concentric annular grooves along its radial direction, spaced axially, with each groove coaxial with the grooved roller. The multiple sets of slitting cutters are suspended above the grooved roller by a cutter support frame, and their positions on the support frame are adjustable along the axial direction of the grooved roller via a cutter adjustment assembly. The blades of the slitting cutters are detachably mounted on the cutters via a blade changing assembly. This invention also proposes a steel strip casting machine equipped with this slitting device. This invention can shorten the blade replacement time of the slitting device, improve blade changing efficiency, simplify blade changing operations, and ensure the production progress of the steel strip casting machine.

The embodiment of the utility model provides a waste gas treatment device, relates to the technical field of chinlon polymerization, and can be used for treating caprolactam-containing steam discharged by a strip casting system and a pelletizing system. The waste gas treatment device comprises a venturi ejector, and the input end of the venturi ejector is connected with the strip casting system and the pelletizing system. The gas-liquid separation tank is connected with the output end of the Venturi ejector; one output end of the gas-liquid separation tank is connected with the exhaust channel; the water tank is connected with the other output end of the gas-liquid separation tank; the input end of the delivery pump is connected with the water tank, and the output end of the delivery pump is connected with the input end of the Venturi ejector through a first valve; the second valve is arranged in the first pipeline, the first pipeline is used for being connected with a heating medium supply device, the first pipeline is further connected with the input end of the Venturi ejector, and the second valve is used for controlling the flow of a heating medium in the first pipeline.

The invention belongs to the technical field of thin-strip casting and rolling, and relates to a double-hot-rolling-mill-unit system for thin-strip continuous casting and an alternate using method of the double-hot-rolling-mill-unit system. The thin strip cast rolling technology comprises the steps that high-temperature molten steel is smelted through a converter BOF furnace, a VD furnace and an LF furnace and then is rapidly cooled and formed through a pair of crystallization rollers rotating in the opposite directions, a cast strip is formed, then the cast strip is conveyed to a single-rolling-time hot rolling unit through a pinch roller, a thin-specification rolled strip is formed after rolling, and finally the thin-specification rolled strip is conveyed to a coiling machine through a laminar cooling area to be coiled into coils. The double-hot rolling unit system is located between a pinch roll and laminar cooling and mainly achieves the purpose of rolling a thin strip into the target thickness. The method mainly solves the problem that the continuous casting furnace number of the current thin strip cast-rolling process is low, so that the continuous casting furnace number is remarkably increased, and the production line cost reduction trend is met.

The invention relates to the technical field of metallurgy, in particular to a phase composition controllable Ti2AlNb thin strip preparation method based on thin strip cast rolling. The method comprises the following steps: (1) smelting an alloy melt according to set components; (2) arranging isostatic pressing graphite side sealing plates in front of and behind the horizontal casting roller; (3) vacuumizing the vacuum chamber, and then introducing argon into the vacuum chamber; (4) smelting by adopting a suspension induction smelting technology; (5) helium is sprayed to the roller surface above the horizontal casting roller through the spray gun, and argon is sprayed below the horizontal casting roller through the spray gun; (6) the melt in the water-cooled copper crucible is tipped into a tundish; (7) the melt flows into the middle of a horizontal casting roller through a tundish nozzle; and (8) after the melt is subjected to rapid solidification and cooling of cast rolling of two horizontal casting rollers and rapid strip discharging and cooling of argon below, the melt is rapidly solidified to form a thin strip. Therefore, a new technical path is provided for preparation of the Ti2AlNb alloy thin strip.

The invention relates to the technical field of stainless steel thin-strip continuous casting, and provides a method for improving thin-strip continuous casting stainless steel solidification strip forming stability, which comprises the following steps: acquiring an initial parameter set of a thin strip; obtaining an initial process parameter set; performing thin-strip continuous casting by combining the obtained process parameter set; the molten pool liquid level, the casting and rolling force, the casting roller surface temperature and the casting strip surface temperature in the thin strip continuous casting process are measured in real time; judging according to the judgment condition, if adjustment is needed, obtaining an adjusted process parameter set, and returning; otherwise, entering the next step; and thin-strip continuous casting is completed, and a thin-strip product is obtained. According to the scheme, the molten pool liquid level, the casting and rolling force, the casting roller surface temperature and the casting strip surface temperature in the thin strip continuous casting process are measured in real time and judged according to corresponding judgment conditions, real-time cooperative control of liquid level-heat transfer-casting and rolling force-roller gap is established, and continuous and stable production of the ultra-thin stainless steel casting strip smaller than or equal to 2 mm is guaranteed; and the surface quality and the structure uniformity are improved.

The invention relates to a system for producing a material strip conveyed along a conveyor in the conveying direction, in particular a material strip made of aluminum material or other non-ferrous materials, such as Mg, Zn, Sn, Cu, Pb material, or alloys thereof, comprising a continuously operating strip casting device for primary forming of the material strip, a hot rolling device for hot rolling the material strip, and a cutting device for cutting the material strip, wherein the cutting device is arranged on the conveyor between the strip casting device and the hot rolling device, and wherein the material strip can be fed to the hot rolling device without having to undergo a cutting process at the heat treatment device.

The utility model relates to a large-flow discharging device easy to clean, which comprises a discharging mechanism and a flow dividing mechanism, a discharging channel is arranged in the discharging mechanism, and the discharging mechanism is arranged between a discharging port and the flow dividing mechanism. The flow dividing mechanism comprises a flow dividing head shell and a flow dividing head, a melt runner is formed in the flow dividing head shell, the flow dividing head shell is installed at the bottom of the discharging mechanism and communicated with the discharging mechanism, and the flow dividing head is provided with a plurality of strip casting holes and installed in the melt runner. The discharging device is ingenious in structure, the discharging channel on the discharging mechanism and the melt runner between the discharging channel and the casting strip hole are each of a single channel structure, compared with a channel in the prior art, the discharging device is simple in structure and smooth in wall face, the probability that a material stays in the channel can be greatly reduced, and therefore follow-up cleaning of the melt runner is facilitated; the cleaning difficulty is reduced. The matched material cutting device is based on the large-flow discharging device easy to clean, the material cutting speed is greatly increased, the material cutting quality is guaranteed, and then the yield of products is guaranteed.

The application discloses a distributor moving mechanism for thin strip continuous casting and relates to the technical field of thin strip continuous casting.The application comprises a trolley, a trolley bracket and a trolley; the distributor is heated to a required temperature by a distributor oven and is used in a thin strip continuous casting process; a working position of the trolley is a casting position; the trolley and the trolley bracket are arranged in two layers in a top-bottom mode; the trolley comprises a trolley body, a trolley driving wheel, a trolley driven wheel, the trolley bracket, an oil cylinder, a trolley guide wheel and a trolley track; the trolley comprises a trolley body, a trolley driving wheel, a trolley driven wheel, the trolley bracket, a jack, a trolley guide wheel and a trolley track.The technical scheme is independently operated, compact in structure and accurate in action; is independent of each other, higher in operation degree in process; has greater load, higher speed and shorter replacement time; shortens the replacement interval of the distributor; can adapt to the structure of the continuously improved distributor; and is convenient for actual operation and different situations.

The application relates to the technical field of neodymium-iron-boron magnets, in particular to a neodymium-iron-boron magnet production line and a production process, wherein the production process comprises, in sequence, a vacuum strip casting furnace, a smelting furnace, a hydrogen crushing furnace, an air flow furnace, a stirring furnace, a sintering furnace, a cutting device, a polishing device, a surface dysprosium and terbium permeation device, a drying device and a magnetizing device; the neodymium-iron-boron magnet prepared by the application has the advantages of high magnetic energy, high coercive force and high magnetic saturation, and is not prone to collapse, so that the quality of the neodymium-iron-boron magnet is effectively improved.

The invention belongs to the field of steel production, and particularly relates to a method for manufacturing an ultrahigh-strength steel pipe by hot-rolled thin strip steel based on thin strip cast rolling. The strip steel used in the invention is manufactured by a thin strip casting and rolling process, and is hot-rolled thin strip steel with the thickness of 0.7-1.8 mm. The tensile strength of an original steel plate is larger than or equal to 600 MPa, and good forming performance is achieved. Stripped strip steel is firstly made into square pipes, round pipes or steel pipes with various complex section shapes at the room temperature through a conventional rolling process, then the steel pipes are heated to austenitizing temperature and then subjected to heat preservation, then water spraying cooling is conducted, and the tensile strength of the manufactured steel pipes can reach 1,300 MPa or above. The high hardenability brought by the characteristics of coarse grains and uniform components of original austenite of the thin-strip cast-rolled strip steel is fully utilized, cooling in the direct water spraying process after the steel pipe is heated is matched, the steel pipe obtains a high-strength martensite structure, and the whole manufacturing process has the advantages of being low in cost, short in process, high in efficiency, high in strength and the like.

The application discloses an AB5 type rare earth iron-based single-phase hydrogen storage alloy and a preparation method thereof, and the preparation method comprises the following steps: selecting high-purity metal elements, preparing alloy ingots in an argon atmosphere by adopting electric arc smelting according to set components, and performing rapid quenching treatment on part of the alloy ingots in a strip casting furnace. By adjusting the proportion between Y and Fe elements in the alloy and cooperating with the rapid quenching treatment, the phase composition of the alloy is optimized, the problem that the AB5 type single-phase alloy cannot be obtained is solved, the hydrogen storage alloy has the advantages of simple preparation process and excellent hydrogen storage performance, and has a good application prospect.

The invention relates to a casting strip head preheating chamber which is detachably connected to the side of a casting strip head body and comprises a top heat preservation plate, a bottom heat preservation plate, side plates and a guide plate, a preheating space of a casting strip unit is formed between the top heat preservation plate and the bottom heat preservation plate, and the two side plates are vertically arranged on the two sides of the lower portion of the top heat preservation plate respectively. The heating jackets are arranged outside the two side plates, the bottom heat preservation plate is movably connected to the lower portions of the two side plates, and when the casting strip unit is clamped, the bottom heat preservation plate is opened to directly jack up the casting strip unit so that the casting strip unit can be smoothly pushed into a casting strip head. When more serious jamming occurs, the whole preheating chamber can be directly disassembled, the casting strip unit is directly replaced in the casting strip head, the whole preheating chamber is simple and compact in structure, convenient to use and reasonable in structural design, the casting strip unit is convenient to replace, and production continuity is not affected.

The embodiment of the invention discloses a preparation method of microalloyed high-strength strip steel based on a thin strip casting and rolling process, relates to the technical field of microalloyed high-strength steel manufacturing, and can effectively reduce the production cost and ensure the mechanical property of the microalloyed high-strength strip steel. The preparation method of the microalloyed high-strength strip steel based on the thin strip cast rolling process comprises the following steps: smelting to obtain molten steel, wherein the molten steel comprises the following components in percentage by mass: 0.02-0.05% of C, 1.0-2.5% of Mn, less than or equal to 0.6% of Si, 0.1-0.4% of Cr, 0.05-0.2% of V, 0.1-0.3% of Mo, 0.01-0.02% of N, less than or equal to 0.15% of P, less than or equal to 0.01% of S and the balance of Fe and inevitable impurities; casting the molten steel in a thin-strip continuous casting machine to obtain a cast strip; performing one-pass hot rolling on the cast strip to obtain hot-rolled strip steel; and the hot-rolled strip steel is cooled, then coiled and air-cooled to the room temperature, and the microalloyed high-strength strip steel is obtained. The method is suitable for production and manufacturing scenes of the microalloyed high-strength strip steel.

The application discloses a light construction platform system and a multi-target optimization digital control method thereof, and the system comprises a steel frame support module configured as a core load-bearing structure of the light construction platform, an external hanging rack installation module configured for realizing installation of an external hanging rack of the construction platform, and an intelligent safety control module configured for intelligently regulating and controlling and safely managing the whole system operation of the construction platform; the steel frame support module is an optimized ordinary steel Bailey frame through double-roller thin strip casting and rolling, that is, the cross section is changed into an equal cross section, the wall thickness is reduced to less than or equal to one half of that of the ordinary steel, and discrete welding is changed into integral forming; the external hanging rack installation module is completed through standard modulus unified component specifications and a gear and rack device. The intelligent safety control module collects parameters, optimizes a jacking system and a regulating and controlling device, and realizes state visualization, alarm and fault diagnosis. The application is helpful to controlling construction cost.

The invention relates to the technical field of metal machining equipment, and particularly discloses an angle steel welded joint polishing device which comprises a strip casting block, a clamping and fixing assembly arranged at the top of the strip casting block and a polishing assembly arranged on the side face of the strip casting block. A long-strip-shaped guide plate is arranged at the top of the supporting block, an electromagnetic guide rail is arranged at the top of the guide plate, the top of the electromagnetic guide rail is slidably connected with a clamping and fixing assembly, two guide frames are arranged at the bottom of the inner wall of the strip casting block, and a first hydraulic cylinder is arranged above the guide frames. The output end of the first hydraulic cylinder is connected with the grinding assembly, and a waste collecting structure is arranged between the clamping and fixing assembly and the grinding assembly. According to the device, through the design of automatic clamping and multi-point grinding, the machining efficiency and quality of angle steel welding seams are improved, the labor intensity of workers is reduced, and the good environment-friendly performance is achieved.

The invention relates to a system for producing a continuously cast material strip conveyed along a conveyor in the conveying direction, comprising a continuously operating strip casting machine for the initial forming of the material strip, wherein a manipulation device for manipulating the strip speed is arranged downstream of the strip casting machine, by means of which a strip reserve between the strip casting machine and the manipulation device and / or a strip back pressure at the strip casting machine can be provided.