393results about "Casting cleaning apparatus" patented technology

The invention relates to a casting method for a low-pressure alloy casting of a riser-free sand mold. The casting method comprises the steps that molten alloy is injected into a casting cavity through a plurality of flow gates in the bottom of the casting cavity in a low-pressure mode for mold filling; during mold filling, the variable-diameter air outlet needle arranged above the casting cavity is used for exhausting air; after mold filling is completed, stepped pressurization and pressure maintaining are conducted on the molten metal in the casting mold cavity; and when the casting is solidified, the thick and large part at the top of the casting cavity is cooled in an accelerated manner, so that the casting is solidified from bottom to top and from the thin-wall area to the thick-wall area. Through bottom multi-pouring-gate mold filling and top variable-diameter gas outlet needle gas exhausting, splashing is prevented. And step pressurization and pressure maintaining are carried out after mold filling, and a thick-wall area is forcibly fed. During solidification, solidification is formed from bottom to top and from thin to thick. A riser is replaced with pouring gate feeding, precise exhaust and solidification control are combined, the feeding and exhaust problems of riser-free casting are solved, riser cutting and polishing are avoided, and meanwhile it is guaranteed that a casting is compact and high in quality.

The application provides a 3D printing ceramic filter and a preparation method of a slurry and the filter, and the composition of the filter comprises 90-92wt% of ZrO2, 4.7-4.8wt% of MgO, 1.9-2.0wt% of HfO2 and 1.4-1.5wt% of SiO2. The application improves the exposure precision of the slurry by adjusting the type and ratio of monomers and the adding amount of initiators, thereby improving the porosity of the filter and the flow rate when the filter is used to filter the metal liquid. The yield of the 3D printing ceramic filter is high, and reaches more than 80%. The addition of the organic silicon modified epoxy resin in the ceramic slurry improves the printing efficiency. The anti-settling wax can solve the problem of fast slurry settlement and improve the crack problem existing in the appearance.

The invention discloses a high-strength and high-toughness die-casting aluminum alloy for a vehicle, and relates to the technical field of aluminum alloys, the high-strength and high-toughness die-casting aluminum alloy for the vehicle comprises 7.0-9.5% of Si, less than or equal to 0.3% of Fe, 0.2-0.8% of Cu, 0.3-0.8% of Mn, 0.1-0.6% of Mg, 0.04-0.15% of Cr, 0.05-0.20% of Zn, less than or equal to 0.1% of Ti, 0.015-0.045% of Sr, 0.01-0.06% of Mo, 0.01-0.08% of RE and the balance Al and impurities, and the total content of the impurities is less than or equal to 0.25%. According to the preparation method, the defects caused by a die-casting process can be effectively reduced, a subsequent alloy heat treatment process is avoided, the prepared die-casting aluminum alloy has relatively high obdurability and relatively good hot crack resistance in an as-cast state, and further the comprehensive mechanical property of the die-casting aluminum alloy is improved.

The utility model provides a slag pan residue crushing device which comprises a crown block, a lifting appliance and a crushing hammer, the lifting appliance is connected with the crown block through a chain, the crushing hammer is hung on the lifting appliance, and the crown block can lift the crushing hammer through the lifting appliance; after the crown block lifts the breaking hammer to a preset height, the breaking hammer and the lifting appliance can be automatically unlocked, and the breaking hammer falls into the slag tray, so that the slag in the slag tray is broken. The crushing device is based on the mechanical balance principle, the dead weight of the slag disc is converted into an unlocking power source of the crushing hammer, residues in the slag disc can be efficiently crushed without additional energy drive, the structure is simple, the cost is low, durability is achieved, manual intervention is greatly reduced, and the labor intensity of personnel is reduced.

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.

The utility model relates to the technical field of cast pipe production auxiliary equipment, and provides a casting machine launder residual iron crushing device which comprises a residual iron tank, a motor, a rotating shaft and a plurality of shear plates, the top surface and the bottom surface of the residual iron tank are open; a plurality of shearing plates are arranged at the lower part in the residual iron tank; a rotating shaft is arranged in the residual iron groove in the axial direction; a plurality of rotating shaft teeth are distributed on the rotating shaft; the motor is mounted at one end of the residual iron tank; and an output shaft of the motor is in transmission connection with the rotating shaft. According to the scrap iron collecting box, irregular scrap iron bars can be cut into scrap iron bars with similar lengths, scrap iron in the scrap iron collecting box can be more uniform, the frequency of pouring the scrap iron collecting box is reduced, the utilization rate of the scrap iron collecting box is increased, and the production efficiency is improved.

This utility model relates to a casting system that facilitates slag collection and breakage, including a sprue and at least one runner; a filter block, wherein the front runner and the rear runner are respectively connected to the left and right sides of the filter block; the upper end of the rear runner near the filter block has a rear slag collection bag, and the upper end of the front runner near the filter block has a front slag collection bag, forming a clamping joint between the rear slag collection bag, the upper surface of the filter block, and the front slag collection bag. This casting system combines slag removal and breakage functions, reducing the amount of molten slag entering the casting cavity, significantly improving casting quality, and making it easier to obtain intact castings. Furthermore, it is more user-friendly for post-processing of the casting system. The runner is broken at the clamping joint formed at the filter block location, which is the weakest area on the runner, ensuring that it can be clamped within the working strength range of the hydraulic clamps, extending the service life of the equipment.

The application discloses a kind of waste copper pyrogenic regeneration intensive smelting device, including support, and for being arranged on the smelting furnace of support, copper water separation component, copper water shaping component, scraping component and lifting driver, copper water separation component and copper water shaping component are used to be sequentially arranged under smelting furnace, so that the copper water smelted by smelting furnace is separated by copper water separation component and then transmitted into each cavity of copper water shaping component to be shaped, scraping component includes multiple scrapers, transmission support rod for being connected with multiple scrapers, and guide support rod arranged on support, part of transmission support rod is slidably connected with guide support rod, wherein, lifting driver is used to drive copper water shaping component, scraper and transmission support rod to carry out synchronous lifting movement, by the setting, before copper water shaping, complete the separation process of dross, solve the removal mode of dross in the prior art, there is the technical problem of low efficiency and causing the risk of casualties of operating personnel.

The invention discloses a pouring data-based filter design method, which comprises the following steps of: acquiring pouring variables and configuration variables in a plurality of filter samples, and determining a pouring liquid filtering result of the plurality of filter samples; screening a plurality of filter samples based on the filtering result, performing first processing on pouring variables of the screened filter samples to obtain a plurality of sample features, and constructing a feature matrix of the filter samples; constructing a prediction model by using the feature matrix and the configuration variables; the required pouring variables are calculated and preprocessed and then input into the prediction model, and the filtering piece is designed according to the value interval of the configuration variables output by the prediction model, so that the pouring liquid flows through the filtering piece more quickly on the premise of ensuring the high impurity filtering rate, the filtering efficiency is improved, and meanwhile, the manufacturing cost control of the filtering device is facilitated.

The invention relates to the technical field of casting equipment, and particularly discloses a camshaft casting continuous production device and method.The device comprises an electric induction furnace and a slag salvaging mechanism, and the electric induction furnace comprises a furnace body and a support arranged on the furnace body and close to a furnace opening; the slag salvaging mechanism comprises an outer sleeve rotationally connected with the support, a spiral conveyor coaxially arranged in the outer sleeve, and at least one intermittent slag collecting assembly, wherein one end of the outer sleeve extends into the furnace body from the furnace opening. A slag inlet and a slag outlet are formed in the outer sleeve in the axial direction at intervals, the intermittent slag collecting assembly is constructed to continuously collect dross in molten iron in the furnace body and extrude the dross into the outer sleeve from the slag inlet, and the spiral material conveying machine is constructed to continuously convey the dross from the slag inlet to the slag outlet and discharge the dross, so that the time difference between manual slag salvaging and connection of previous and later procedures is effectively solved; the continuity of casting production is guaranteed, and the production efficiency is improved to adapt to the large-scale production requirement; and meanwhile, the consistency of the deslagging degree is ensured through automatic deslagging operation, and the stability of the quality of the camshaft blank is improved.

The application discloses a casting process for a large four-cylinder diesel engine cylinder cover, which comprises the following steps: S1, core making; S2, sand core assembling; S3, pouring; and S4, mold opening. In the core making process, each sand core part is perforated, so that the sand amount is reduced, the hollowing process is realized, the overall weight of the sand core is reduced, the gas emission amount during the combustion of the sand core in the pouring process is reduced, and the gas discharge is facilitated; meanwhile, a coating and an asbestos pad are coated on the surface of each sand core, one-way gas discharge is realized, the exhaust passage is effectively prevented from being infiltrated with molten iron and losing effectiveness, and the pouring quality is ensured.

The casting mechanism comprises a rack, a portal frame, an execution assembly, a material containing assembly, a material removing assembly and a cleaning box, the material removing assembly comprises a circular plate, a feeding port, a material shoveling piece, a baffle and a surrounding edge, the feeding port, the material shoveling piece and the baffle are arranged at the top of the circular plate, and the surrounding edge is installed on the outer side of the top of the circular plate; according to the material removing device, the material removing assembly is arranged and driven by the execution assembly, the distance between the material shoveling piece and the liquid level of molten aluminum can be accurately adjusted, the impurity removing requirements of different liquid level heights are met, the driving piece drives the circular plate to rotate, the material shoveling piece is driven by the baffle to shovel oxide skin through the feeding opening, and the material shoveling piece is driven by the baffle to shovel the oxide skin through the baffle and the surrounding edge. The three material shoveling pieces distributed in a surrounding mode synchronously shovel the oxide skin through the feeding port, the included angle of the shoveling face ranging from 15 degrees to 30 degrees is matched, the impurity removing efficiency is greatly improved, it is guaranteed that the oxide skin is thoroughly removed, manual close-distance operation is not needed, and automatic oxide skin removing is achieved.

The utility model belongs to the technical field of counter-pressure casting, and particularly relates to a counter-pressure casting riser tube electromagnetic induction filtering device and system, which comprises a middle tube, an induction heating coil, a heating coil embedding block, a filtering medium and a riser tube, the filtering medium is arranged inside the riser tube, and the induction heating coil and the heating coil embedding block are arranged outside the riser tube. And the intermediate pipe covers the induction heating coil embedded block. Through structural optimization of the riser tube, impurities at the bottom of the molten metal container can be prevented from being involved into pure molten metal in the molten metal suction process, and filtering of original impurities is guaranteed to the maximum extent. Through the synergistic effect of electromagnetic induction and the magnetic filtering medium, magnetic and non-magnetic impurities in molten metal can be effectively filtered, the purity of the molten metal is remarkably improved, defects in a casting are reduced, and the mechanical property and reliability of the casting are improved.

The invention discloses an online magnetic separation device for packaging aluminum foil casting melt inclusions, and relates to the field of material magnetic separation. An on-line magnetic separation device for packaging aluminum foil casting melt inclusions comprises a separation box and further comprises an installation box fixedly connected in a feeding port of the separation box, a magnetic separation device and a control device, the multiple groups of flow guide pipes are all mounted in the mounting box, each flow guide pipe is provided with a hollow pipeline, and the hollow pipelines of the flow guide pipes are used for guiding a liquid solution to enter the separation box; a cavity is formed in the flow guide pipe, and a high-temperature-resistant electromagnet is installed in the cavity. The spiral groove is formed in the hollow pipeline of the flow guide pipe; through the flow guide pipe with the spiral groove, impurities are adsorbed in a gradient mode through a magnetic field in the spiral groove, the magnet does not make direct contact with a melt or the impurities, mechanical abrasion is avoided, only the flow guide pipe needs to be replaced during follow-up replacement, the high-temperature-resistant electromagnet can be reserved, and resources are effectively saved.

The utility model relates to secondary processing equipment for waste aluminum materials, which comprises a processing table, a rotary table, a vertical plate and a mounting table, four die bodies are coaxially mounted on the upper surface of each die body in an array manner, a rectangular spiral water cavity is formed in each die body, two connectors are mounted on the outer surface of each die body, and each connector is provided with a water inlet and a water outlet. The two connectors are connected with the two ends of the water cavity correspondingly, a first electric push rod is installed on the outer surface of the vertical plate on one side, the end portion of the telescopic end of the first electric push rod penetrates to the other side of the vertical plate and is provided with a transverse plate, and insertion pipes are installed on one sides of the two ends of the transverse plate correspondingly. The first electric push rod drives the two insertion pipes to be inserted into the two connectors on the outer surface of the mold body at the same time, then external cooling water can communicate with the interior of the water cavity, the purpose that the cooling water circularly flows in the water cavity is achieved, heat can be taken away in the cooling water flowing process, and therefore the purpose that an aluminum ingot is rapidly cooled and solidified is achieved; and the processing efficiency is improved.

The utility model relates to the technical field of casting, and discloses a metal target casting device which comprises a supporting seat, the top of the supporting seat is fixedly connected with a first bottom plate, the top of the first bottom plate is fixedly connected with an electric push rod, and the driving end of the electric push rod is fixedly connected with a push column. Two connecting rods are rotatably connected to the outer portion of the pushing column, connecting rods are rotatably connected to the left sides of the two connecting rods, fixing rods are fixedly connected to the sides, close to each other, of the two connecting rods, fixing columns are rotatably connected to the interiors of the two fixing rods, and a dust scraping assembly used for cleaning is fixedly connected to the top of the supporting seat. According to the casting device, molten metal can still be evenly filled in the mold, the size deviation of the target material caused by shaking of the casting device is reduced, the reliability and the stability of the whole casting device can be improved, and therefore the casting quality of the metal target material can be improved.

The utility model discloses a pouring system for a cam shaft of an internal combustion engine, relates to the technical field of cam shaft pouring, and is mainly used for solving the internal defects that a cam shaft product produced by the conventional pouring system is easy to generate shrinkage porosity and shrinkage cavity, low in matrix hardness and the like. The structure comprises a sprue, the top of the sprue is connected with a sprue cup, the bottom of the sprue is connected with the middle of a runner, two ends of the runner are respectively connected with one end of a straight runner, and camshaft cavities are arranged on two sides of the straight runner; four feeding heads are sequentially arranged on the straight runner, the lower parts of the side walls of the feeding heads are connected with the camshaft cavity through flow gates, and the sectional area ratio of the flow gates on the four feeding heads is set to be 1.1: 0.9: 0.9: 0.7 in the flowing direction of the liquid metal; and the feeding head and the two flow gates arranged on the feeding head jointly form a liquid supplementing cavity with a diamond-like structure. The utility model provides a pouring system for a camshaft of an internal combustion engine, which can complete the detection of a heavy fitting roller before installation, thereby avoiding the waste of resources, saving the manpower loss and improving the detection efficiency.

The utility model relates to the technical field of aluminum alloy casting, in particular to a flow control flashboard assembly for aluminum alloy casting, which comprises a groove body, the groove body comprises a flow groove, the inner side of the flow groove is provided with a liquid outlet, the upper surface of the flow groove is fixedly connected with a fixing block, the inner side of the fixing block is movably connected with a screw rod, and the screw rod is fixedly connected with a screw rod. And the surface of the screw rod is in threaded connection with a moving rod. Through the arrangement of the first baffle, molten aluminum entering the launder can be filtered, impurities and the like can be intercepted, then the quality of the molten aluminum can be guaranteed, meanwhile, bubbles in the molten aluminum can be eliminated when the molten aluminum passes through the first baffle, and therefore the defects in aluminum alloy casting can be reduced, the casting quality is improved, and the aluminum alloy casting quality is improved. The movable rod can be inserted into and separated from the slot through the movement of the movable rod, so that the first baffle plate can be conveniently fixed and unfixed, the first baffle plate can be conveniently taken out to be cleaned or replaced, and the filtering effect of the first baffle plate can be guaranteed.

The utility model discloses a large casting slag stopping device, and relates to the technical field of casting slag stopping. The device comprises a container, a filtering mechanism is arranged in the container, and by arranging a third filtering plate, when a worker conducts casting, the container can be slowly dumped at the moment, then molten metal makes contact with the third filtering plate at first, then the molten metal penetrates through holes in the third filtering plate, and the molten metal can be filtered out through the holes in the third filtering plate. If large impurities exist, the large impurities can be blocked by the third filter plate, then the molten metal is filtered for the first time through the second filter plate and then enters the first filter plate to be filtered for the first time, and if the container vibrates in the dumping process, the molten metal can be sputtered, and at the moment, the baffle can block the molten metal to prevent leakage; and finally, the filtered molten metal flows into the mold from the discharging opening through the inclined plate, impurities can be effectively blocked through the arrangement of the multiple filter plates, the purity of the molten metal is improved, and the casting quality is guaranteed.

The utility model discloses an efficient steady flow casting chute which comprises a chute body, a filter sheet is arranged in the chute body along the width direction of the chute body, an inclined plane is arranged on the inner bottom surface of the chute body, and two groups of flow guide pieces are sequentially arranged on the inclined plane along the flowing direction of alloy liquid. Each group of flow guide parts comprises at least one curved-surface flow guide bulge arranged along the width direction of the groove body, a flow dividing bulge is arranged on the inner bottom surface of the groove body along the length direction of the groove body, the distances between the two sides of the flow dividing bulge and the two side walls of the groove body are equal, one end of the flow dividing bulge is connected with the groove body, and the other end of the flow dividing bulge is connected with the curved-surface flow guide bulge at the lowest end of the inclined surface; and sprue gates are symmetrically formed in the two sides of the shunting bulge. According to the utility model, the flowing path of alloy liquid can be increased, the steady flow performance of alloy casting is effectively improved, the flowing contact area of the alloy liquid is enlarged, the floating rate of scum is further improved, the purity of alloy is improved, the two shunting discs and corresponding molds can be treated at the same time, and the yield in unit time is obviously improved.

The invention discloses a high-performance aluminum alloy material and a preparation method thereof, and the aluminum alloy material comprises the following chemical components in percentage by mass: 1.15%-1.18% of Mg, 0.72%-0.75% of Si, 0.15%-0.20% of Cu, 0.05%-0.07% of Mn, 0.04%-0.05% of Cr, 0.04%-0.05% of Zr, 0.04%-0.05% of Ta, 0.03%-0.05% of Mo, 0.03%-0.05% of Nb, 0.02%-0.03% of Er, 0.02%-0.03% of Nd and the balance of Al and other inevitable impurities. The formula composition of the aluminum alloy material is screened and adjusted, performance optimization is achieved, and the application requirement for machining of appearance structural parts of 3C electronic products can be met.

The utility model provides an electrolytic aluminum bag cleaning machine. The electrolytic aluminum bag cleaning machine comprises a mounting cylinder. Four groups of fixing plates are symmetrically mounted on the inner side of a mounting barrel, the fixing plates are of arc-shaped structures, the four groups of fixing plates share the same circle center, the four groups of fixing plates are combined into a circular whole, two groups of air cylinders are connected to the side surface of each group of fixing plates, the air cylinders are fixedly mounted on the outer side of the mounting barrel, and eight groups of air cylinders are symmetrically mounted on the mounting barrel. The telescopic ends of the lower ends of the air cylinders penetrate through through holes formed in the mounting barrel to be fixedly connected with the side faces of the fixing plates, the eight sets of air cylinders are synchronously controlled through a set of controller, and therefore the four sets of fixing plates can be controlled to move on the inner side of the mounting barrel, and molten aluminum two-man ladles with different diameters can be fixed to the inner side of the mounting barrel; and then the molten aluminum two-man ladle can be driven to rotate by driving the mounting cylinder to rotate, so that a worker can shovel out solid aluminum blocks in the molten aluminum two-man ladle by using tools such as a shovel, and the workload of the worker can be reduced.

The application belongs to the technical field of liquid metal purification, and provides a CaO-ZrO2 porous ceramic filter and a preparation method and application thereof. The application obtains a preform by impregnating a reticular porous template in slurry A and drying; sprays slurry B on the preform to obtain an embryo, and obtains the CaO-ZrO2 porous ceramic filter after calcination. The application adopts a template replication method-air spraying-in-situ sintering technology, and has the advantages of simple preparation process and low cost. The slurry B is attached to the surface of the zirconia hole rib through the air spraying process on the preform, defects are filled, and the CaO-ZrO2 composite hole rib is constructed. The composite hole rib improves the mechanical properties, thermal shock resistance and non-metallic inclusion adsorption efficiency in the molten metal liquid. The application can be used in the molten metal filtering environment of 1600 DEG C to 1800 DEG C.

The invention discloses a composite material ceramic filter screen for casting and a photocuring 3D printing preparation method. Ansys Fluent fluid dynamics software is used, modeling analysis is conducted on the flowing state of molten metal liquid flowing through the filter screen in the pouring process, and the optimal filter screen design is obtained. The photocuring 3D printing silicon oxide ceramic filter screen comprises the following components in percentage by mass: 65-80% of silicon oxide powder, 10% of magnesium oxide powder, 2-8% of a dispersing agent, 1-3% of a photoinitiator, 9-15% of photosensitive resin and 1% of an anti-settling agent. According to the method, a porous polyurethane plastic carrier is not needed, the filter screen ceramic biscuit is directly obtained by using the silicon oxide slurry and the silicon oxide and magnesium oxide composite slurry in a photocuring 3D printing mode, and then the finished silicon oxide ceramic filter screen is obtained through degreasing and high-temperature sintering. According to the method, it is guaranteed that the product has meshes which are completely consistent in size and shape, the structural strength is high, and the product is not prone to being damaged, large-size inclusions in molten metal are physically screened through the meshes, non-metallic inclusions (such as AlO, SiO and sulfide) are actively captured through the reaction of magnesium oxide and the inclusions, and through the double means of physical interception and chemical capture, the content of impurities in the molten metal is greatly improved. The filtering performance is effectively ensured. In the production process of the product, ceramic chips without structural support are not generated, so that the production process link is simplified, and meanwhile, the emission of toxic and harmful waste materials is reduced.

The utility model provides an aluminum ingot casting slag removing device which comprises a support and guide plates arranged on the support in a front-back symmetry mode, a servo motor is arranged on the support, a screw rod is rotationally arranged on the support, the screw rod is in key joint with an output shaft of the servo motor, and the screw rod is transversely arranged. A screw block sliding in the length direction of the support is connected to the screw in a threaded mode, sliding blocks are symmetrically and slidably arranged on the front side and the rear side of the screw block in an up-down moving mode, and deslagging assemblies slidably matched along the guide grooves of the guide plates are arranged on the two sliding blocks. The slag removal device has the advantages that the sliding block and the slag removal assembly are automatically driven to transversely move through the screw rod, so that the slag removal assembly moves along the guide groove to remove slag, efficiency is improved, and stability is achieved.

The application discloses a melt purification device for aluminum alloy casting forming, which comprises a moving base and a stirring frame. The stirring frame is driven to rotate by a motor to stir the melt. The top end of the stirring frame is rotationally connected with a treatment cylinder. The inner cavity top of the treatment cylinder is connected with a blocking assembly. The inner cavity bottom of the treatment cylinder is slidingly connected with a filtering assembly. The outer surface of the treatment cylinder is rotationally connected with a sealing plate. The bottom end of the stirring frame is rotationally connected with a cleaning assembly. The application relates to the technical field of aluminum alloy casting. The melt purification device for aluminum alloy casting forming can control the speed of collecting gas. The stirring frame is driven to rotate in the stirring cavity generated by the treatment cylinder and the cleaning assembly, so that the stirring frame is fully mixed with the melt. The rotating knife on the stirring frame can break the impurities in the melt during mixing, so that the device is prevented from being blocked when the impurities in the melt are gathered together and filtered, and the quality of the melt purification of the device is improved.

The present application relates to the technical field of steel liquid impurity removal, and discloses a steel liquid impurity removal equipment, which comprises a tundish body, a quick-opening upper cover is arranged on the upper portion of the tundish body, a molten steel flow guide communication pipe is fixedly communicated between the quick-opening upper cover and the interior of the tundish body, and two submerged nozzles are arranged in the interior of the tundish body, the present application forms an interlocking rotational flow field through four groups of coaxial blowing and sucking interfaces, cooperates with the rotational disturbance of the molten steel inclusion separation cylinder, and makes the molten steel form a chaotic flow field with a turbulence intensity increase of 40% to 60%; under the action of rotational flow shear force, the tiny inclusions are quickly agglomerated into large particles, the penetration risk is greatly reduced, the complementary effect of the blowing and sucking air flow avoids escape, the rotational flow field covers the whole tundish, the synergy of 'active agglomeration + interception' is upgraded, and the bottleneck of removing tiny inclusions by traditional filtration is completely broken through.

The utility model discloses foundry sand cleaning equipment for casting part machining. The foundry sand cleaning equipment comprises a cleaning device, a drying device and a vibration impurity removing device. The cleaning device comprises a conveying belt, a spraying assembly, a recovery liquid tank and a uniform material placing device, the spraying assembly is located above the conveying belt, the conveying belt is fixed to the recovery liquid tank, and the uniform material placing device is located above the feeding end of the conveying belt; the drying device comprises a drying chamber and a drying assembly. A feeding port of the drying chamber is located below the discharging end of the conveying belt. The vibration impurity removing device is located below the discharging port of the drying chamber, cleaning, drying and impurity removing operation of the recycled sand can be automatically conducted, automation of the cleaning procedure of the recycled sand is achieved, the cleaning efficiency of the casting sand is effectively improved, the labor intensity of workers is reduced, and the quality of the recycled sand is guaranteed.

A deep bed filter for molten metal includes a housing with an inlet, an outlet, a filtering region between the inlet and the outlet, and a containment region between the filtering region and the outlet. The containment region may remove inclusions from the flow of molten metal after the molten metal passes through the filtering region. A method of filtering molten metal includes introducing the molten metal into the deep bed filter such that (i) the molten metal flows into a filtering region of a deep bed filter to generate intermediately filtered molten metal and (ii) the intermediately filtered molten metal flows through the containment region to remove inclusions from the intermediately filtered molten metal and to generate filtered molten metal.

The utility model discloses a metal melt tundish, which relates to the technical field of continuous casting tundishes, and comprises a bottom plate, a side plate I, a side plate III, a side plate II and a side plate IV are respectively arranged at the upper edge of the bottom plate, the side plate I and the side plate II are oppositely arranged, the side plate III and the side plate IV are oppositely arranged, and the side plate III and the side plate IV are oppositely arranged. An area surrounded by the bottom plate, the side plate I, the side plate III, the side plate II and the side plate IV is a buffer area of the metal melt; a first underflow hole is formed in the first side plate, and the area, located above the first underflow hole, of the first side plate is a slag stopping area; a conveying pipeline is arranged on one side of the third side plate, and a liquid outlet hole of the conveying pipeline communicates with the cache area. According to the metal melt tundish, the first underflow hole is formed in the first side plate, and the conveying pipeline is arranged on one side of the third side plate, so that the metal melt conveyed by the main flow groove is effectively blocked under the blocking of the first side plate and the third side plate.