46results about "Casting cleaning apparatus" patented technology

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 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.

This utility model discloses a casting structure for ADI material, belonging to the field of sand casting technology. It includes a gating system; a filter chamber comprising an upper pressure groove, a lower pressure groove, and several filters separating the upper and lower pressure grooves. One end of the upper pressure groove is connected to the gating system, and the groove width and cross-sectional area of ​​the upper pressure groove gradually increase away from the gating system. The outlet is connected to the lower pressure groove. The upper pressure groove's gradually increasing groove width and cross-sectional area away from the gating system allows for control of the amount of molten iron passing through each filter, reducing the risk of damage to the front-end filters due to excessive molten iron flow reaching their service life. This ensures each filter reaches its maximum filtration value, improving the filtration capacity of each filter and reducing the number of filters required. Simultaneously, the shape of the upper pressure groove utilizes fluid dynamics principles, transforming some of the turbulent flow in the molten iron into laminar flow, avoiding the increase of inclusions and gas entrainment, and reducing secondary slagging.

The utility model provides a kind of ladle slag salvaging device, belong to metallurgical equipment technical field, including two symmetrical vertical arrangement in rotary support inside rotary shaft, the bottom of each rotary shaft is provided with slag rake, while the top of each rotary shaft is provided with the driving device of driving rotary shaft rotation, rotary support is connected with the telescopic device of driving rotary support horizontal movement, telescopic device is connected with the lifting device of driving telescopic device and rotary support vertical movement.The utility model in the present application is provided with rotary shaft and driving device, can make two independent rake body free angle open, cover ladle full surface;The utility model can be according to the thickness of slag in ladle, the position of slag salvaging device is adjusted in three-dimensional direction by lifting device and telescopic device, and the suspended vanadium slag in molten iron is salvaged;The utility model can realize that the inclination angle of ladle is reduced by 30%, the technical effect that metal loss is reduced to <2%, and simultaneously the slag salvaging period is shortened by 5%, and the slag salvaging rate is improved from 80% to 92%.

The present invention relates to a method for manufacturing a ceramic article, which method comprises the steps of (Step 1) providing at least one ceramic structure obtained by a binder jetting 3D ceramic printer using at least one ceramic compound and at least one binder, wherein said ceramic structure has an open porosity of at least 35.00 % and (Step 2) providing at least one slurry S1 comprising solid particles [solid particles A, herein after] and at least one liquid phase, wherein said solid particles A have a d50 particle size value equal or more than 1.00 µm and less than 30.00 µm and (Step 3) at least one dipping of at least part of the ceramic structure in the slurry S1 thereby infiltrating at least partly the open pores of the ceramic structure with the solid particles A [infiltrated ceramic structure, herein after].

The utility model discloses a kind of ladle nozzle processing tools, it is related to steelmaking process technical field, comprising: working pipe body and guide pipe body, the first end of first pipe body is used to extend into the nozzle eye of ladle and can be contacted with foreign matter in nozzle eye and knock out foreign matter;The first end of guide pipe body is used for the vertical fixed connection of the second end of working pipe body and intercommunication, to enable operator to hand guide pipe body and guide working pipe body into nozzle eye, the second end of guide pipe body is used for connection with nitrogen gas source and intercommunication to make nitrogen blow out from the first end of working pipe body;Nitrogen gas blown out by working pipe body first end can blow down pulverized slag in nozzle eye, simple structure, convenient to use, effectively ensure that the foreign matter of nozzle eye after rapid processing ladle slagging vertical pot, guarantee production smooth.

This invention relates to an ingate structure for die casting, comprising a gating body, a filtering unit, and a collecting unit, wherein the thickness of the gating body is [missing information]. h 1 = k × w A filtering unit is located at the front end of the gating system to prevent the pre-crystallized structure from flowing to the rear end of the gating system. A collecting unit is located at the front end of the gating system and upstream of the filtering unit to collect the pre-crystallized structure deposited due to the obstruction by the filtering unit. A die-casting method employs the above-mentioned ingate structure and a three-stage injection velocity. This invention can intercept and remove most of the coarse pre-crystallized dendrites; increase flow resistance, generating a high-shear flow field that forcibly mechanically breaks up residual pre-crystallization, achieving secondary homogenization of the structure; significantly reduce defects such as porosity and shrinkage caused by pre-crystallized structure in the casting body, improve the uniformity of the structure, enhance the internal quality and mechanical properties of the casting, increase the casting yield, and reduce production costs.

The utility model discloses a kind of safety protection convenient installation's slag retaining wall, it is related to slag retaining wall technical field, including middle wall, the side wall body one of middle wall both sides, the side wall body of side wall body one side, the side wall body two of side wall body one side, the side wall body one end bottom is equipped with prop wall body, the oval through-hole is equipped in the side wall body one end bottom, the long groove is embedded in the side wall body two one side.The utility model safety protection convenient installation's slag retaining wall shows remarkable advantages in structural stability, convenient installation, turbulence performance, deslagging efficiency, adaptability.

This utility model relates to the field of metal casting equipment technology, and discloses a metal casting funnel with double-layer filtration and anti-clogging features. The funnel body includes a feed hopper on one side of its top and a discharge hopper on the bottom of the other side. A perforated and inclined filter baffle is installed between the two to achieve the first layer of filtration. An impact box is located below the feed hopper for buffering and secondary filtration. An arc-shaped anti-impact guide plate is installed at the top of the filter baffle. A boss supports the impact box below the discharge hopper. A slot at the bottom of the impact box connects with a plug on the boss, and the bottom diameter of the impact box is larger than the top diameter of the boss to prevent molten metal from adhering. A cone is installed inside the impact box, and a collection trough is located below the filter baffle. A sliding baffle plate is also provided to adjust the flow rate and block floating objects. A protective cone sleeve is fitted on the outside of the cone, and a collection box is located inside the collection trough. This invention effectively intercepts impurities through a double-layer filtration structure, combined with multiple anti-clogging designs, ensuring casting continuity, improving the quality and production efficiency of metal castings, and enhancing the practicality and durability of the equipment.

The invention relates to the technical field of aluminum alloy semi-solid processing, and provides a semi-solid slurry flow guide device for aluminum alloy, which comprises a shell, the bottom of the shell is fixedly connected with a rack, one end of the shell is fixedly connected with a feeding pipe, the other end of the shell is fixedly connected with a discharging pipe, and a material shifting mechanism is arranged at one end, close to the feeding pipe, of the inner side of the shell. The material stirring mechanism comprises two rotating plates which are arranged in parallel, a plurality of material stirring plates are fixedly connected between the two rotating plates, a plurality of electric heating pipes are arranged between every two adjacent material stirring plates, a first support is fixedly connected to the outer side of the rack, and a first motor is fixedly installed at the top of the first support; a flow guide mechanism is rotationally connected to the middle of the inner side of the shell, a filter screen is fixedly connected to the end, close to the discharging pipe, of the inner side of the shell, a stirring mechanism is arranged on one side of the filter screen, and a cleaning mechanism is arranged on the other side of the filter screen. Through the innovative mechanism design, the key problem in the aluminum alloy semi-solid slurry diversion process is solved.

The present invention relates to the field of casting technology, and provides a silica-based ceramic material, a foamed ceramic filter, a manufacturing method and uses thereof. The silica-based ceramic material provided by the present invention includes ceramic powder and auxiliary materials. The ceramic powder contains, by mass fraction, 40-80% silica, 8-30% aluminum oxide, and 8-30% silicon carbide. The auxiliary materials include an adhesive and a dispersant. The foamed ceramic filter manufactured from the silica-based ceramic material of the present invention has silica as the main component, has a wide source of silica, low cost, and the cost of the obtained silica-based foamed ceramic filter is significantly reduced compared to general silicon carbide and zirconia-based foamed ceramic filters in this field. In addition, the silica-based foamed ceramic filter provided by the present invention has excellent heat resistance, the maximum use temperature reaches 1600 °C, and fills the gap of foamed ceramic filters in the range of 1500-1600 °C.

The utility model relates to the field of foundry equipment, concretely relates to a pouring forming device beneficial to lost foam casting, including sand mould case, pouring unit and exhaust slag collection subassembly, exhaust slag collection subassembly is equipped with the gas guide slag collection pipe with slag collection cavity and exhaust valve, the valve core ball of elastic top pressure is equipped with exhaust valve, and several groups of exhaust slag collection subassembly are divided in the periphery of pouring unit. The utility model utilizes the gas guide slag collection pipe to gather the gas and dross produced in the pouring of the lost foam model in the sand mould case, and gradually opens up to exhaust through the valve core ball of elastic top pressure in the exhaust valve under the action of airflow, makes the gas in the sand mould case discharge after the buffer of exhaust valve, and utilizes the slag collection cavity to collect the dross, and further is favorable to reducing the efficiency influence and safety risk brought by pouring resistance or back spray caused by the gas produced in the lost foam casting, is favorable to reducing the casting defect of the gas hole or slag inclusion produced in the pouring, thereby can improve the casting efficiency and casting quality.

The application provides a method for remelting powder superalloy coarse powder return material, and relates to the technical field of nickel-based superalloy refining. The method for remelting powder superalloy coarse powder return material comprises the process steps of coarse powder return material forming, alloy powder ingot smelting, alloy powder ingot refining, alloy powder ingot strengthening refining and coarse powder return material ingot pouring. The binder is at least one of pectin, dextrin, fructose, amylopectin and potato starch. The application realizes the aggregation and dissolution of small-particle oxide inclusions by reasonable binder and coarse powder return material ratio, alloy powder ingot and alloy new material ingot ratio, twice refining process selection, high-temperature melt treatment and strong electromagnetic stirring, so that the size and quantity of inclusions are reduced; then, [O], [N] and [H] are deeply removed by improving the vacuum degree and prolonging the refining time, and the content of [H] is the lowest and can reach zero point several ppm.

This invention belongs to the field of grinding ball production equipment, specifically a casting and pouring device for grinding ball production. It includes a hanger, a support base at the bottom of the hanger, a mounting base at the middle of the support base, and a pouring barrel at the middle of the mounting base. The key feature is the inclusion of an adjusting pouring mechanism acting on the mounting base, used to adjust the pouring position while ensuring pouring uniformity. The adjusting pouring mechanism includes a tilting component and auxiliary components. The tilting component includes limiting shafts fixed to both sides of the outer circumference of the pouring barrel and a motor fixed to one side of the mounting base. This invention systematically solves the core defects such as slag inclusions, core eccentricity, and uneven wall thickness that easily occur in traditional pouring processes through multi-degree-of-freedom coordinated motion. It is also more suitable for high-precision, large-size grinding ball production, thereby ensuring processing quality while expanding the applicability of the device.

The utility model relates to the technical field of molten iron filtering, disclose a kind of air conditioner compressor cylinder pressure edge water casting molten iron filtering structure, including ceramic frame, the top end fixedly connected of ceramic frame has mounting plate.The air conditioner compressor cylinder pressure edge water casting molten iron filtering structure is provided with connecting plate and limit stopper by being set, pull connecting plate, and connecting plate extrusion spring makes limit stopper separate from the inside of mounting groove, so that mounting plate loses fixed to ceramic frame disassembly, disassembly ceramic frame can replace ceramic frame, prevent ceramic frame from being damaged or filter hole is blocked and influence filtering effect, need to install when pressing connecting plate, then mounting plate is placed at suitable position to make limit stopper and the mounting groove of installation place alignment, after alignment, spring makes limit stopper embedded in the inside of mounting groove and installs and fixes ceramic frame, solve is not convenient according to the demand and disassembly replacement ceramic filter frame, easily influence the problem of filtering effect.

This invention discloses a porous zirconia ceramic for steelmaking casting, belonging to the field of zirconia ceramic technology. This ceramic is prepared by introducing a catalyst-supported composite mineral powder and stabilizing zirconia to form a slurry, followed by foam impregnation, secondary impregnation molding, and gradient sintering. The composite mineral releases active components and generates gas at high temperatures, forming interconnected micropores, increasing porosity and the chemical adsorption capacity for inclusions; simultaneously, catalytically grown silicon nitride whiskers form a three-dimensional network within the framework, significantly enhancing the material's fracture toughness and erosion resistance. The porous ceramic prepared by this invention possesses high structural strength, excellent high-temperature stability, and high filtration efficiency, effectively capturing non-metallic inclusions in molten steel, improving steel purity, and extending filter lifespan.

A filter element for flow stabilization and / or purification of a melt used in casting, through which the melt is guided, is designed as a three-dimensional ribbed structure with openings as channels through which the liquid melt is guided. The ribs of the ribbed structure are formed by particles made of a material that can be used as a mold material in casting techniques and a binder that can bind the particles together. The ribs are also provided on their surface with a coating of a polymer resin.

The utility model discloses a structure of a steelmaking tundish, which relates to the technical field of refractory materials. The structure of the steelmaking tundish includes a shell, a filtering component and an adjusting component. A stopper rod is arranged at the bottom of the shell. The filtering component is located on the shell and includes a connecting plate, a filtering plate and a clamping plate. The connecting plate is fixedly connected inside the shell, and the filtering plate is arranged on the connecting plate. The adjusting component is located inside the shell. Through the combined use of the connecting plate, the filtering plate and the clamping plate, the molten steel can be filtered, effectively removing impurities and inclusions in the molten steel, improving the purity of the molten steel, thereby improving the quality of the final steel. Moreover, the arrangement of the filtering plate facilitates the disassembly work. The easy-disassembly design enables the filtering plate to be easily cleaned and replaced during use, reducing the production stagnation caused by the blockage or damage of the filtering plate, and thus extending the service life of the tundish.

The application relates to an efficient slag removing machine for zinc alloy processing and relates to the zinc alloy processing technical field, which comprises a rack for supporting the efficient slag removing machine, a barrel rotatingly installed on the rack, the barrel being used for pouring zinc alloy liquid, a scraper installed on the rack, the scraper being used for removing slag on the surface of a mold, a rotating assembly installed on the rack, the rotating assembly being used for driving the barrel to rotate, and a scraping assembly installed on the rack, the scraping assembly being used for driving the scraper to scrape the mold. The application prevents the zinc alloy from exploding due to high temperature of the zinc alloy liquid when the zinc alloy is cast, and the staff is scalded.

The application belongs to the field of metal smelting, and particularly relates to a metal smelting system and method, which comprises a heating and heat-preserving assembly, a closed flow channel A connected to the heating and heat-preserving assembly at both ends, cavities formed by dense materials and communicated with each other arranged in the heating and heat-preserving assembly and the closed flow channel A, a channel for vacuumizing and / or inert gas filling of the cavities arranged on the heating and heat-preserving assembly, a power structure for driving metal melt in the cavities to circulate in the heating and heat-preserving assembly through the closed flow channel A, and the closed flow channel arranged on the heating and heat-preserving assembly cooperating with the power structure to realize circulation and flow of the internal metal melt, and cooperating with the process of vacuumizing and / or inert gas filling in the heating and heat-preserving assembly to continuously purify the metal melt. The low-vacuum system with low cost can realize high-vacuum effect, and the degassing and deslagging operation can be completed in a clean high-temperature atmosphere environment, so that high metal purity in the large-volume smelting and smelting process can be effectively realized.

The invention provides a method and an installation (10) for removing slag, which allow for a rapid and simple slag removal as well as metal recovery from the slag (60'), at the same time reducing the risk of slag fires.

[Problem] To efficiently add a metal wire into molten metal by creating a positive pressure state inside a ladle. [Solution] A ladle lid 1 according to the present invention comprises a lid main body 20 that airtightly closes an opening portion 5a of a ladle 5 containing molten metal, a wire rod supply unit 17 that penetrates through the lid main body 20 in a vertical direction and supplies a Mg wire rod into the molten metal, and a venting unit 27 that discharges fumes generated by supplying the Mg wire rod into the molten metal to the outside of the ladle, wherein the venting unit comprises: a vent pipe 28 that penetrates through the lid main body 20 in a vertical direction and has an upper end that protrudes upward; a closing plate portion 29 that closes the upper end of the vent pipe 28; a guiding means 30 that guides the closing plate portion 29 vertically between a closed position CP in which the upper end of the vent pipe 28 is closed by the closing plate portion 29 and an open position OP in which the closing plate portion 29 is separated upward from the upper end of the vent pipe 28 to allow fumes to circulate; and a load adjusting unit 31 that is provided on the closing plate portion 29 to attach loads having different weights thereto.

This invention relates to the field of iron and steel smelting technology, and in particular to a casting method and apparatus for reducing shrinkage porosity and voids in ingots during vacuum furnace steelmaking. The apparatus includes a funnel brick, an insulating cap brick, an ingot mold, a ceramic filter, a steel sleeve, and insulating cotton. The funnel brick, insulating cap brick, and ingot mold are arranged concentrically from top to bottom. A ceramic filter is located at the center of the bottom of the funnel brick. Insulating cotton is used to fill the joint between the insulating cap brick and the ingot mold. A steel sleeve is installed on the outside of the insulating cap brick. The beneficial effects of this invention are: the apparatus can effectively reduce shrinkage porosity and voids in ingots, resulting in good surface and internal quality of the ingots, uniform composition distribution, less segregation, and no inclusions, thereby improving the ingot yield and the internal quality of the steel.

The application discloses a lead-bismuth alloy casting device and method, and relates to the field of metal casting processing equipment.The device comprises a device frame and a fixing disc fixedly installed on the top of the device frame, a lower mold is installed on the top of the fixing disc, an upper mold is arranged above the lower mold, a pouring hole is formed in the top of the upper mold, a feeding hopper is fixedly installed on the inner side of the pouring hole, a pouring bucket is installed on the top of the feeding hopper, and the feeding hopper and the pouring bucket are both hollow circular table structures; the device further comprises a feeding mechanism used for uniformly injecting hot-melt metal raw materials into the cavity of the upper mold and the lower mold, and the feeding mechanism comprises a rotating disc arranged on the inner side of the feeding hopper; through the feeding mechanism, the hot-melt metal raw materials can be injected into the feeding hopper through the pouring bucket, the hot-melt metal raw materials can fall on the top of the rotating disc, the rotating disc can be rotated, and the hot-melt metal raw materials can be injected into the cavity formed by the lower mold and the upper mold in the shape of an umbrella by the centrifugal force of the rotating disc, so that the uniformity of the feeding is improved.

The utility model relates to the technical field of aluminum alloy melt smelting and slagging-off tools, in particular to an aluminum alloy slagging-off auxiliary device, which is characterized in that two movable rake plates are rotatably connected to two sides of a fixed rake plate, so that the two movable rake plates can incline backwards, the two movable rake plates are gathered inwards, and the two movable rake plates can be separated from each other during slagging-off. The two movable harrow plates and the fixed harrow plate have a gathering effect on scum, the scum is prevented from flowing out from the side faces of the two movable harrow plates when the scum is skimmed backwards, the skimming effect of single-time skimming is improved, repeated skimming is avoided, the skimming working efficiency is improved, and the labor intensity of workers is reduced; an overflow hole is formed to prevent the movable rake plate from bringing out molten aluminum in the slagging-off process; the device is stable in structure, convenient to adjust and use, wide in application range, time-saving and labor-saving in use, capable of preventing molten aluminum from being brought out in the use process, capable of avoiding repeated slagging-off for multiple times and capable of guaranteeing the purity of aluminum alloy melt, and has popularization value.

The present application relates to the field of casting technology, provide a kind of automatic deslagging device of pouring smelting, by setting sliding base on slide rail by push-pull motor drive forward and backward sliding, so that the whole can move forward and backward, sliding base is driven by push motor on the track slider, so that the connecting arm drives the left and right movement of lift cylinder, lift cylinder drives the installation plate to move down, in turn drive the collection box to move down, collection box is collected into collection box by opening through collection mechanism with smelting slag, bleed through mesh plate after molten iron, after collection is lifted by lift cylinder, push motor moves, and the movement of sliding base is transferred to smelting slag, can automatically collect and transfer smelting slag, greatly improve production efficiency, ensure personal safety, reduce labor cost.

The application discloses a ladle splash-proof slag device, which is arranged on a ladle car used for placing a ladle, the bottom of the ladle is provided with a sliding plate mechanism, and an oil cylinder bracket is arranged on the sliding plate mechanism; the device comprises a first protection mechanism and a second protection mechanism; the first protection mechanism comprises a fixed protection plate which is fixed to the upper surface of the ladle car; the second protection mechanism comprises a side protection plate and a fixed seat; the fixed seat is fixedly arranged on the oil cylinder bracket, the side protection plate is arranged on the fixed seat through a rotating shaft and can rotate relative to the fixed seat, and the axis direction of the rotating shaft is perpendicular to the loading direction of the oil cylinder; the side protection plate is located at the front of the oil cylinder bracket and is used for blocking molten steel rebounding from the ground of the ladle car. The device can save manpower while blocking the steel slag and the molten steel, and can also meet the use requirements of a robot system.

This invention relates to a method for manufacturing ceramic articles, the method comprising the following steps: (step 1) providing at least one ceramic structure obtained by a binder jet 3D ceramic printer using at least one ceramic compound and at least one binder, wherein the ceramic structure has an open porosity of at least 35.00%; and (step 2) providing at least one slurry S1 comprising solid particles [hereinafter, solid particles A] and at least one liquid phase, wherein the d 50 The particle size is equal to or greater than 1.00 µm and less than 30.00 µm, and (step 3) at least a portion of the ceramic structure is impregnated at least once in the slurry S1, thereby impregnating the openings of the ceramic structure at least partially with solid particles A [hereinafter, the impregnated ceramic structure].