70results about "Pig casting plants" patented technology

The invention provides non-ferrous metal disc vertical mold casting equipment. Comprising a rotating frame and a plurality of mold opening and closing mechanisms, the mold opening and closing mechanisms are arranged on the rotating frame, the rotating frame is used for sequentially rotating the mold opening and closing mechanisms to a casting position and a demolding position, the casting position and the demolding position are arranged on the two sides of the upper surface of the rotating frame respectively, and each mold opening and closing mechanism comprises a male mold and a female mold; the mold cavity on the female mold is vertically arranged relative to the upper surface of the rotating frame, and the male mold can be close to or far away from the female mold under the action of external force, so that the male mold and the female mold are mutually closed or separated. Continuous production of castings can be achieved, and the productivity of the castings is high; the mold opening and closing mechanism comprises a male mold and a female mold, a mold cavity in the female mold is perpendicular to the upper surface of the rotating frame, and due to the fact that the mold cavity is deep, a formed casting is full, uniform in thickness and small in piece weight deviation, and no throwing or flash or burr exists in the casting process.

The invention relates to a secondary copper anode plate casting line and a production process thereof, and relates to the technical field of secondary copper casting, the casting line comprises a pouring gate, a rack, a plurality of molds distributed on a disc in the circumferential direction, a machine base fixed beside the rack, a driven gear rotationally connected to the machine base, and an outer gear ring fixed to the outer wall of the disc and meshed with the driven gear; a rotating column is fixed to the center of the driven gear, a hopper is rotationally connected to the rotating column, a first torsional spring is arranged between the hopper and the rotating column, an arc-shaped notch is formed in the side, facing the disc, of the top of the machine base, and a dumping plate is fixed to the edge of the top of the hopper. The driving source runs at a constant speed, casting of the regenerated copper anode plate can be automatically completed, casting of all molds can be completed without stopping rotation of the disc, and the production efficiency is improved; a driving source for driving the disc to rotate is more friendly, frequent starting and stopping are avoided, and the service life of the driving source is prolonged; the use of control equipment is reduced to the greatest extent, and the casting line can operate automatically and stably.

A plant for producing metal anodes, in particular for use in an electrolytic tinplate production line, the plant comprising - a melting furnace (1 ) adapted to be loaded with scrap of said metal and provided with at least one pouring duct (4) for pouring molten metal; - a carousel (2), arranged below said melting furnace (1 ) and provided with a plurality of shell molds (3) arranged radially with respect to an axis of rotation (X) of said carousel (2); wherein said carousel (2) is configured to intermittently rotate so that at each radial rotation step at least one shell mold (3) of said plurality of shell molds stops in a respective casting position (9) at the corresponding pouring duct (4), and at least one other shell mold (3) stops in an extraction position (10) for the extraction of a solidified anode; wherein, in the casting position (9), the shell molds (3) are in an inclined position, at an angle other than zero, with respect to the horizontal so that a first end (5) of the shell mold (3), proximal to the corresponding pouring duct (4), is higher than a second end (6) thereof, opposite the first end (5) and distal from said pouring duct (4); and wherein there is provided an adjustment system (7, 8) for adjusting the inclination of each shell mold (3) along at least one part of the carousel (2), said adjustment system being configured to bring each shell mold (3) from said inclined position at the respective casting position (9) to a horizontal position at the respective extraction position (10), and then back to said inclined position.

The bar billet casting device comprises a mold and further comprises a conveying mechanism, multiple sets of clamping mechanisms, supporting plates, a guide plate and a cooling mechanism, the conveying mechanism is used for conveying the mold, the clamping mechanisms are evenly distributed on the surface of the conveying mechanism, and the supporting plates are fixedly connected to the two ends of the top of the conveying mechanism; the guide plate is fixedly connected to one end of the supporting plate, and the four cooling mechanisms are fixedly connected to one end of the supporting plate; molten metal in the mold is cooled through the design of the cooling mechanism, so that the casting cooling and shaping efficiency is improved, low-temperature air is conveyed through the air pump, flows into the air inlet hole of the upper mold block through the sleeve and the moving pipe and flows into the cooling cavity of the lower mold block through the air inlet hole, and the cooling effect is improved. And in addition, the mold metal is clamped through the design of the clamping mechanism, and therefore the stability of the mold in the conveying process is guaranteed.

The utility model relates to the technical field of blast furnace ironmaking production, and discloses a chain belt atomization cooling device which comprises a cooling assembly, a chain belt atomization cooling assembly and a chain belt atomization cooling assembly, the cooling assembly comprises a cooling water pipeline and a compressed air pipeline, the compressed air pipeline is connected with the water inlet end of the cooling water pipeline, and a plurality of sprayers are installed on the cooling water pipeline; the height adjusting assembly comprises a supporting bottom plate, installation vertical plates and an adjusting plate, the two installation vertical plates are fixed to the supporting bottom plate, long adjusting grooves are formed in the installation vertical plates in the height direction of the installation vertical plates, adjusting bolts are installed in the long adjusting grooves, and the adjusting plate is fixed to the installation vertical plates through the adjusting bolts; the angle adjusting assembly comprises annular clamping plates fixed to the adjusting plate, the circumferential threads of the annular clamping plates are connected with puller bolts, and the cooling water pipeline is rotatably installed in the two annular clamping plates.

According to the efficient cooling output system and method for casting, a casting machine is provided with a rotatable disc body, a transfer robot is arranged in front of a plate taking position of the disc body, and a special clamp is connected to the execution tail end of the transfer robot; the cooling water tank, the intensive device and the waste plate frame are all arranged in the action range of the execution tail end of the transferring robot, the transferring robot is used for driving the special clamp to take out the anode plates cast on the disc body, qualified anode plates are placed in the cooling water tank, unqualified anode plates are placed on the waste plate frame, and the transferring robot is used for transferring the anode plates to the intensive device. The anode plates cooled in the cooling water tanks are lifted out and then placed on the intensive devices to be stacked, the multiple cooling water tanks and the intensive devices are arranged, the multiple cooling water tanks are separated from one another and used for alternately cooling the anode plates, and each row of cooling water tanks corresponds to at least one intensive device. The device has the advantages of being small in occupied space, flexible in arrangement, high in intelligent degree, high in stability and good in anode plate cooling effect.

The utility model relates to the technical field of metal casting, and discloses multi-station vacuum metal quantitative casting equipment, which is characterized in that a vacuum chamber is arranged and a casting environment with a certain vacuum degree is created, so that the casting process of molten metal is completed in the environment with the certain vacuum degree, and the influence of gas and impurities on the molten metal is effectively reduced; meanwhile, according to the scheme, the multiple casting molds are arranged in the vacuum chamber, the casting tables are controlled to rotate at intervals, the multiple molds can be sequentially cast in turn, under the design of multiple stations, different working procedures can be carried out at different stations, and therefore the multiple working procedures such as casting and cooling of molten metal are carried out at the same time in the vacuum chamber, and the production efficiency is improved. And the overall production efficiency is improved.

The utility model discloses a grinding ball casting mold opening device which comprises a movable frame, a left extrusion mold opening device and a right extrusion mold opening device, and the left extrusion mold opening device and the right extrusion mold opening device are both installed on the movable frame. The left extrusion mold opening device comprises a positioning hinge plate, a V-shaped extrusion opening knife, a pull rod, a handle, a positioning strip and a positioning groove, the middle of the positioning hinge plate is hinged to the movable frame, the lower end of the positioning hinge plate is connected with the V-shaped extrusion opening knife, one end of the pull rod is hinged to the upper end of the positioning hinge plate, and the other end of the pull rod is connected with the handle; the positioning strip is mounted on the movable frame; the grinding ball casting mold opening device is simple in structure, convenient to use and practical, the left extrusion mold opening device and the right extrusion mold opening device are matched, the grinding ball shaping mold is rapidly opened, meanwhile, the grinding ball shaping mold is placed in advance, the movable frame is rapidly switched to the next grinding ball shaping mold for mold opening, and the purpose of improving the mold opening efficiency is achieved.

This utility model discloses a continuous casting device for a lead ingot casting machine, relating to the technical field of lead ingot casting machines. Specifically, it is a continuous casting device for a lead ingot casting machine, comprising a drive component, a conveying component, a primary cooling component, multiple supporting components, four drive components, and a concrete foundation cast from concrete components. This utility model achieves continuous production of lead ingots through the continuous movement of the conveying component. Compared with existing technologies, this continuous production method can greatly improve production efficiency and reduce production time. The drive component drives the rotating shaft to rotate, which in turn drives the sprocket to rotate, thereby moving the conveying component. When the conveying component moves past the water storage tank, the molten lead in the mold is cooled and solidified. This continuous production method avoids the problems of slow mold cooling and solidification speed and the inability to continuously cast molds in traditional equipment, achieving highly efficient production of lead ingots.

This utility model discloses a rotary worktable for a casting machine, comprising: a rotary table, a drive mechanism, a base, and several support components; the rotary table is provided with several workstations, and the rotary table is connected to the drive mechanism via transmission, and the rotary table is mounted on the base; the support components are located below the rotary table, and the support components include a support base, a support plate, a connecting seat, and rollers, the rollers are rotatably connected to the connecting seat, the connecting seat is mounted on the support plate, the support plate is mounted on the support base, and the rollers are in contact with the lower surface of the rotary table; this solution has the characteristics of improving casting efficiency, facilitating automated operation, and high stability.

The utility model discloses a novel pig casting machine cooling device which comprises a supporting frame, two fixing plates are fixedly installed on the bottom wall of the supporting frame, two fixing holes are formed in the bottom walls of the two fixing plates, a water inlet pipe penetrating into the supporting frame is fixedly installed on the upper end face of the supporting frame, and a connecting pipe is installed on the outer wall of the water inlet pipe in a sliding mode. A spraying pipe is fixedly installed on the outer wall of the connecting pipe, a plurality of nozzles communicated with the interior are fixedly installed on the outer wall of the spraying pipe, a connecting plate is fixedly installed on the outer wall of the connecting pipe, and an extrusion rod is fixedly installed on the upper end face of the connecting plate. Through the arrangement of the cam, the extrusion block, the extrusion rod and other components, the cam can be in contact with the inner wall of the extrusion groove during rotation, at the moment, the extrusion rod is stressed to drive the connecting pipe to move downwards through the matching of the connecting plate, so that each spray head can move to the outer wall of the corresponding through needle through the spray hole, and the through needle can dredge the interior of the spray head; therefore, normal spraying of cooling water is ensured.

The application provides an aluminum ingot forming device, relates to the field of aluminum ingot forming, and comprises a frame, toothed rollers, two toothed rollers oppositely arranged in the frame, chains, two chains wound around the two toothed rollers at a fixed interval, and the two toothed rollers linked together, wherein a plurality of molds are arranged in the fixed interval between the two chains, and the fixed interval is also kept between adjacent molds, a first plate, the first plate fixed on the frame and located immediately below the molds of the toothed rollers, wherein a second plate is arranged between the first plate and the molds, the second plate is provided with a second rod, the second rod is connected to the frame, and when the toothed rollers rotate, the second plate rotates up and down alternately when contacting different molds, a first rod, the first rod located on the outside of the molds, wherein the first rod and the second rod are connected through a connecting plate, and when the second plate rotates up and down alternately, the first rod alternately extends into the molds located in the working area of the first rod.

The utility model provides a pig-casting machine spray cooling device, which belongs to the technical field of pig-casting machine corollary equipment, and comprises a rack, a conveying frame is fixed at the top end of the rack, two rotating shafts are symmetrically and rotatably connected in the conveying frame, two gears are symmetrically and fixedly connected on the two rotating shafts, and the two gears are fixedly connected on the rack. A chain belt is connected between the gears in a transmission mode, a flow dividing pipe is arranged on the upper side of the conveying frame, and a set of spraying pipes are evenly and fixedly connected to the flow dividing pipe. Through the arrangement of the shunt pipe, the spray pipe, the spray head, the main water pump, the first electromagnetic flowmeter, the first electromagnetic valve, the three-way pipe, the second electromagnetic valve, the second electromagnetic flowmeter and the standby water pump, cooling water is accurately and uniformly sprayed, iron blocks can be uniformly cooled, a standby cooling water source is provided, accident-free production is achieved, and the production cost is reduced. The problems that in the prior art, iron blocks cannot be evenly sprayed and cooled conveniently, the water spraying accuracy is poor, and standby water supply is not achieved are solved.

The utility model provides an automatic iron beating device of a casting machine, which comprises a rotating shaft and pin shafts, the rotating shaft is rotatably connected with the casting machine, and each group of pin shafts are arranged on the side wall of a chain wheel in an annular array; the side wall of the rotating shaft is fixedly connected with a knocking mechanism and a swing rod, the swing rod extends to the pin shafts and is in contact with one of the pin shafts, and when the chain wheel rotates, the pin shafts push the swing rod to lift up, so that the knocking mechanism is lifted up; the knocking mechanism comprises a hammer head assembly and a connecting arm, the connecting arm is fixedly connected with a first connecting assembly and a second connecting assembly, the hammer head assembly is connected with the first connecting assembly and the second connecting assembly through bolts and nuts, and the lower end of the hammer head assembly extends to the outer side of the cavity. The demoulding device can rotate along with the chain wheel and automatically knock the bread iron on the cast iron mould to demould the bread iron, so that the labor force of personnel is reduced, and the demoulding effect and efficiency are improved. Moreover, according to the requirement of knocking strength, the weight of the hammer head assembly is adjusted by increasing or decreasing the number of the hammer head units so as to adapt to different knocking strength.

The present invention discloses an automatic iron-knocking mechanism applied to a cast iron machine, comprising a load-bearing frame installed at the head of the cast iron machine and a welding frame for installing the automatic iron-knocking mechanism, a welding frame is arranged above the load-bearing frame, and a wheel hub is mounted on the upper end of the load-bearing frame, and the wheel hub is mounted on the inner ring of a star wheel, and a support frame with the wheel hub facing outward is fixedly connected to the inner wall of the star wheel, a fixed shaft is installed above the welding frame, and the fixed shaft passes through the surface of one end of the force arm and the load-bearing arm respectively, and a knocking hammer is installed at the end of the load-bearing arm. The automatic iron-knocking mechanism applied to the cast iron machine, the knocking structure is integrally mounted above the welding frame, and is convenient for modification on the cast iron machine. When the star wheel rotates, it can drive the toggle wheel to rotate at the same speed, thereby completing the knocking action of the knocking hammer, and realizing knocking on the mold. The whole process does not require manual operation, and the knocking effect can be achieved by using the transmission system of the cast iron machine itself.

The utility model relates to the technical field of blast furnace ironmaking production, and discloses a pig casting machine head beating device and an ironmaking system. The driving shaft is rotationally connected to the support, and a plurality of shifting blocks are arranged on the circumferential surface of the driving shaft at intervals; the driving source is arranged on the support, and the output end of the driving source is coaxially connected with the driving shaft; the supporting shaft is connected to the support and is parallel to the driving shaft, and the supporting shaft is located below the driving shaft; the middle positions of the multiple pendulum bobs are rotationally connected to the supporting shaft, the multiple pendulum bobs correspond to the shifting blocks respectively, and when the driving source drives the driving shaft to rotate, the shifting blocks shift the pendulum bobs corresponding to the shifting blocks to periodically swing around the supporting shaft. The device is simple in structure and convenient to use, can meet the production requirements of the pig casting machine, reduces the amount of raw iron, and pokes the pendulum bob to move through the poking block on the driving shaft, so that a steel mold, rotating to the position of a machine head, of the pig casting machine is knocked, and an iron block on the steel mold falls into an iron bin of the machine head.

The utility model relates to the technical field of iron ball production, and discloses a pouring system applied to iron ball production. Comprising a machining table and a rack, the rack is fixedly connected to the top end of the machining table, a first motor is fixedly connected to the side wall of the machining table, two rotating shafts are rotatably connected to the inner wall of the machining table, and the shaft walls of the two rotating shafts are fixedly sleeved with synchronous rollers respectively. According to the pouring system provided by the utility model, the piston rod of the first air cylinder moves to drive the connecting block to move, the connecting block moves to drive the feeding block and the feeding gun to move downwards, and the feeding gun can pour molten metal into a gap between the lower template and the upper template through the tank body and the conveying pipe, so that subsequent iron ball forming treatment is facilitated; when the synchronous belt moves subsequently, the lower mold plate and the upper mold plate can be moved to the position below the cooling box, the cooling fan can blow the upper surfaces of the lower mold plate and the upper mold plate, the cooling effect is improved, and heat loss can be accelerated through the cooling fins.

This utility model provides a mold for classifying and storing residual molten iron in casting, belonging to the field of molten iron recycling technology. It includes a mold body with multiple storage areas on the top for storing different types of molten iron. Each storage area on the top of the mold body has a mounting groove, and the cross-sectional shape of the mounting grooves in the multiple storage areas is different in the direction perpendicular to the depth. In use, after the molten iron solidifies, workers can distinguish iron blocks of different materials simply by their appearance, avoiding the mixing of other materials into the iron blocks during later smelting and reuse, thus preventing iron waste.

The invention discloses a swing pouring device for a pig iron casting machine, and belongs to the technical field of cast iron production; specifically comprises a rotary wheel drag arm, a rotating wheel, a swing force arm and a swing casting trough; one end of the rotary wheel drag arm is connected to the rotating wheel shaft, and the other end is hinged on the fixed shaft of the supporting arm; the rotating wheel is located on the surface of the continuous iron mold, and is used for rolling along the continuous iron mold as the continuous iron mold moves; the swing force arm is hinged on the fixed shaft of the force arm and one end is hinged to the rotary wheel drag arm; the swing casting trough is hinged on the fixed shaft of the casting trough, and the other end of the swing force arm is used for linkage with the swing casting trough so that the swing casting trough performs intermittent casting under the action of the swing force arm; the invention can realize intermittent casting without providing external force, prevents splashing of molten iron caused by casting at the convex edge of the iron mold, and completes smooth casting in the groove of the iron mold at the same time.

The utility model discloses a ductile iron casting movable pouring device which comprises a pouring device body, a motor fixedly connected to the lower surface of the pouring device body, a gear fixedly connected to the output end of the motor, a gear ring connected to the outer surface of the gear in a meshed mode, and a rotating column fixedly connected to the inner wall of the gear ring. A rotating table is fixedly connected to the upper end of the rotating column, mold clamping mechanisms are arranged on the upper surface of the rotating table, a plurality of mold clamping mechanisms are installed on the rotating table, a gear is rotated through a motor below the pouring device body, a gear ring meshed with the gear is used for driving the rotating column to rotate, and rotation of the rotating column drives the rotating table to rotate; the mold clamping mechanism on the rotating table and the mold on the inner side of the mold clamping mechanism can be moved, the next mold can be rapidly switched after pouring is completed, and the waiting time is shortened; the suction nozzle is fixed to the outer side of the mold clamping mechanism, dust generated during pouring is sucked into the dust collection box through the suction nozzle, dust in the environment is reduced, and the working environment is improved.

The utility model discloses a cast iron flow nozzle structure and a molten iron flow groove, which belong to the technical field of metallurgical cast iron, and comprise a flow nozzle groove body, a cooling water groove is arranged on the lower end face of a groove body bottom plate on the outlet side of the flow nozzle groove body, and the cooling water groove and the groove body bottom plate are enclosed to form a closed cooling cavity. A water inlet is formed in the side wall of the cooling water tank close to the outlet side of the flow nozzle tank body, the water inlet is communicated with an external cooling water source through a water inlet pipe, and a water outlet is formed in the bottom plate of the cooling water tank far away from the outlet side of the flow nozzle tank body. According to the utility model, a slag-iron mixture at the outlet of the flow nozzle can automatically fall off or fall off when being slightly touched during the operation of a mold, so that the smooth flowing of molten iron and the uniform pouring of a casting are ensured; meanwhile, the temperature of the outlet side of the flow nozzle groove body is effectively controlled, thermal stress concentration caused by high temperature is reduced, and therefore the risk that the flow nozzle is deformed and damaged due to thermal stress is reduced, and the service life of the flow nozzle is prolonged.

The utility model discloses a four-vortex molten iron sliding nozzle device for a pig-casting machine, and belongs to the technical field of pig-casting machine production and manufacturing. A four-vortex molten iron sliding nozzle device for a pig casting machine comprises a bottom plate, a connecting plate is installed at one end of the bottom plate, first side plates are arranged on the two sides of the bottom plate respectively, second side plates are arranged on the periphery of the connecting plate, a plurality of sliding nozzles are arranged on the surface of the connecting plate, fireproof plates are arranged between the first side plates and the bottom plate respectively, and the fireproof plates are connected with the bottom plate. A circulation channel is arranged between the pair of refractory plates, flow guide plate strips are installed on the surface of the connecting plate, and a plurality of flow dividing channels are arranged between the flow guide plate strips. According to the device, through the design of the spiral runner, the molten iron generates a vortex effect, the flow speed of the molten iron is remarkably increased, the conveying process of the molten iron is accelerated, the problems that the flow speed of the molten iron is low and the molten iron is easy to condense in a traditional device are solved, and the phenomena of narrowing of the runner and splashing of the molten iron caused by condensation of the molten iron are effectively prevented; and the occurrence risks of iron loss and safety accidents are reduced.

To provide a casting production method that can reduce the cost and time required for mold manufacturing. Furthermore, to provide a casting production method that can handle medium-volume production of single product types and medium-volume production of multiple product types. [Solution] The method for producing castings involves creating one or more sand molds of different shapes in the required number depending on the situation by layered molding (S11), attaching the sand molds to a circular base (S12), and rotating the circular base to continuously pour molten metal using a fixed-position pouring ladle (S13).

A pig iron casting material receiving system comprises a casting machine body and a cooling water collecting tank, a pig iron slide way is arranged at the discharging end of the casting machine body, the pig iron slide way is obliquely arranged towards the end away from the casting machine body, and a movable pig iron transfer box is arranged at the end, away from the casting machine body, of the pig iron slide way; the lower surface of the cooling water collecting tank is lower than the ground, the cooling water collecting tank comprises a main body collecting tank and an extension collecting tank which are communicated with each other, the main body collecting tank is arranged around the casting machine body, and the pig iron transfer box is arranged in the extension collecting tank. Different from the mode that a cooling system is independently designed for the pig iron transfer box, the cooling water collecting tank of the casting machine body can be used for expansion and extension, the pig iron transfer box is immersed into the cooling water collecting tank, and then cooling of the pig iron transfer box can be completed at low cost.

The present application relates to a casting line for recycled copper anode plates and a production process thereof, and relates to the technical field of recycled copper casting. The casting line includes a runner and a frame. A plurality of molds are distributed circumferentially on a disc. A base is fixed next to the frame. The base is rotatably connected to a driven gear. An outer gear ring meshing with the driven gear is fixed to the outer wall of the disc. A rotating column is fixed to the center of the driven gear. A hopper is rotatably connected to the rotating column. A torsion spring is provided between the hopper and the rotating column. An arc-shaped notch is provided on the top of the base facing the disc, and a dumping plate is fixed to the top edge of the hopper. The driving source of the present application can automatically complete the casting of the recycled copper anode plate by running at a uniform speed, and the casting of all molds can be completed without stopping the rotation of the disc, thereby improving production efficiency; it is more friendly to the driving source that drives the disc to rotate, avoids frequent starting and stopping, and improves the service life of the driving source; and minimizes the use of control equipment, so that the casting line can run automatically and stably.

In a granular metal manufacturing device, even if the height is limited, molten metal can be made into granular metal with a specified particle size or less. In a discharge port (4) provided in the bottom (3a) of a container (3), when molten metal flows from an upper first flow path (9) to a lower second flow path (10), the molten metal in the first flow path (9) collides with a step (11) of an inlet of the second flow path (10) formed by a difference in opening area, resulting in a rapid speed change. As a result, a velocity distribution of the flow velocity is generated in the cross-section of the molten metal flowing down from the second flow path (10), and the molten metal that collides with the collision structure (5) and is scattered can be reliably granulated by means of the velocity distribution.

The utility model relates to the technical field of metal casting, in particular to a production device for aluminum alloy cast ingots. Comprising a rack, a transmission belt a, a limiting plate, a rack, a pouring mechanism, a cooling mechanism, a plurality of molds, a plurality of elastic pushing assemblies and a plurality of gears. A power assembly used for driving the transmission belt a to move is installed on the machine frame. The plurality of molds are arranged in an array along the path direction of the transmission belt a; the plurality of elastic pushing assemblies are respectively mounted on the plurality of molds; the limiting plate is connected with the rack and located on the inner side of the transmission belt a. The plurality of gears are respectively mounted on the plurality of guide rods; the pouring mechanism and the cooling mechanism are both installed at the upper end of the rack. According to the utility model, the plurality of movable molds are arranged, so that the continuous casting work can be realized, the pouring, cooling and automatic unloading work can be simultaneously carried out, the whole working rhythm is compact and orderly, and the production efficiency is high.

The invention relates to the technical field of metal processing, and discloses a flow guide channel inner wall oxide treatment device for a pig casting machine, the flow guide channel inner wall oxide treatment device comprises a flow channel and a lifting frame fixed outside the flow channel, and a hydraulic rod of which the movable end is connected with a driving frame is fixedly mounted outside the lifting frame; a limiting sliding rail extending into the driving frame is fixedly installed on the inner side of the lifting frame, the hydraulic rod is in linkage with a distance measuring sensor, the driving frame moving in the vertical direction of the flow channel is arranged on the inner side of the lifting frame, and an adsorption roller extending into the flow channel is arranged on the inner side of the driving frame. A cooling unit making contact with the adsorption roller is fixedly installed on the inner side of the driving frame, and a scraping unit making contact with the adsorption roller and located below the cooling unit is fixedly installed on the inner side of the driving frame. The flow guide channel inner wall oxide treatment device for the pig casting machine has the advantage that a surface oxide layer of a metal solution flowing in the flow channel can be conveniently treated.

The invention provides a method for improving the surface quality of a high-purity pig iron block, which comprises the following steps: S1, distributing an iron-containing raw material and coke into a blast furnace from the top of the blast furnace through a rotating chute, spirally distributing the materials by the rotating chute according to a set angle, then smelting, and reducing the central ore-coke ratio and developing central airflow during smelting; s2, in the smelting process, high-pressure and high-temperature hot air is blown into the furnace through a round tuyere small sleeve on the lower portion of the blast furnace, coke is combusted, and reducing gas is provided; the blast-furnace tuyere area is reduced, and convective heat transfer of molten iron and high-temperature gas is enhanced; s3, high-purity pig iron molten iron smelted in the blast furnace is stored in a hearth area on the lower portion of the blast furnace, the hearth temperature is increased, and it is guaranteed that the molten iron temperature is larger than or equal to 1480 DEG C; and S4, molten iron in the hearth area is discharged from an iron notch at regular intervals and conveyed to a pig casting machine through a torpedo tank car and an iron receiving system for ingot casting, during ingot casting, slurry spraying is conducted on the iron casting mold through a slurry spraying system, iron block demolding is achieved, and meanwhile the slurry settling pond is cleaned in time. The surface quality of the high-purity pig iron can be effectively improved.

There is provided a granular metal production device capable of making molten metal into granular metal with a particle size equal to or smaller than a predetermined particle size even when the height is regulated. When molten metal flows from an upper first flow path (9) into a lower second flow path (10) in a discharge port (4) provided in a bottom part (3a) of a container (3), the molten metal in the first flow path (9) collides with a step (11) at an inlet of the second flow path (10) formed by an opening area difference, causing a rapid velocity fluctuation. This generates a velocity distribution of flow velocity in the cross section of the molten metal flowing down from the second flow path (10), and the velocity distribution enables reliable granulation of the molten metal colliding with the collision structure (5) to be scattered.