41 results about "Ingot casting" patented technology

The utility model relates to aluminium big slab ingot casting well deepening structure, including anchor line, big steel cylinder, protection steel cylinder, concrete cushion, protection cylinder and flange base, the both sides of casting well set anchor line, the bottom center of casting well sets up big steel cylinder, concrete cushion and protection cylinder are set up in big steel cylinder, and the concrete layer is poured between the protection cylinder circumferential side and big steel cylinder inner wall, and the flange base for installing hydraulic cylinder is anchored in the top of protection cylinder, protection steel cylinder is coaxially arranged in big steel cylinder, and the top end of protection steel cylinder is close to flange base lower plane, and protection steel cylinder vertically downward passes through protection cylinder and concrete cushion and then extends out of big steel cylinder, the ground on one side of the top end of casting well is built to have the pit, and the auxiliary turnover device and steel backing plate are set up in the pit, and the straight up slab ingot is laid to the steel backing plate by auxiliary turnover device, the utility model discloses can increase the structural strength of casting well, and gradually lays down the straight up slab ingot again, and then hoists and transports to the next process, is applicable to the casting operation of bigger specification slab ingot.

This utility model belongs to the field of ingot casting processing, specifically disclosing a water inlet structure for a smelting furnace. It includes a feed tank located at the furnace opening, with a feed inlet at the top and a cover for sealing it. A discharge outlet is located on the side of the feed tank, communicating with the furnace opening. The bottom of the feed tank is inclined, with its lower end facing the furnace opening. A limiting ring is installed on the cover, with a sealing element on its inner wall. The limiting ring engages with the outer wall of the upper part of the feed tank, and the sealing element seals the gap between the limiting ring and the outer wall of the upper part of the feed tank. This utility model solves the problems of molten aluminum oxidizing upon contact with air and forming slag when flowing through the water inlet, and some molten aluminum remaining on the inner wall of the water inlet due to temperature drop, forming hardened aluminum slag, requiring regular slag removal and causing raw material waste.

This invention discloses a high-purity 316L stainless steel for semiconductor manufacturing equipment and its production method. It belongs to the field of iron and steel metallurgy technology. This invention employs a process route of molten iron pretreatment + converter roughing + VOD vacuum refining + LF refining + ingot casting + vacuum consumable archive refining (VAR) single vacuum process. Through source impurity control, deep decarburization and deoxidation, precise temperature control, optimized solidification, and single vacuum refining, ultra-low oxygen, hydrogen, and sulfur content and trace inclusions in the steel are achieved. The prepared stainless steel fully meets the stringent requirements of semiconductor equipment. This invention features a simple process flow, low manufacturing cost, and high industrialization feasibility, enabling domestic substitution and enhancing the self-reliance and controllability of the semiconductor industry chain.

The utility model provides a cleaning device for aluminum ingot casting, which relates to the technical field of aluminum ingot casting and comprises a first box body with a first inlet, a first outlet, a second inlet, a second outlet, a third inlet and a third outlet. The three cleaning-drying assemblies are arranged in the first box body; the second box body is provided with a pickling assembly, is arranged on the outer wall surface of the first box body, and is respectively communicated with the first outlet and the second inlet; the third box body is provided with an alkali washing assembly, is arranged on the outer wall surface of the first box body and is communicated with the second outlet and the third inlet respectively; wherein one cleaning-drying assembly is communicated with the first inlet and the first outlet, the second cleaning-drying assembly is communicated with the second inlet and the second outlet, and the third cleaning-drying assembly is communicated with the third inlet and the third outlet. And surface defects during aluminum ingot casting molding are avoided.

The application relates to a walking and rotating integrated fixed-point pouring ingot casting device and a control method. A pouring opening is arranged on a fixed chamber; a first walking wheel is arranged at the lower end of a movable chamber, and the movable chamber can be closed in butt joint with the fixed chamber under the driving of the first walking wheel to form a vacuum ingot casting cavity; a walking frame is installed in the movable chamber, and the walking frame can move along the width direction of the movable chamber; a rotating disc is installed on the walking frame through rotary support, the rotating disc can rotate around the axis of the rotary support, and the mutual cooperation movement of the rotating disc and the walking frame can enable corresponding molds to move below the pouring opening. The movable chamber is opened and closed as a whole, the molds can be loaded and replaced in the atmospheric environment, a sealed vacuum ingot casting cavity is formed after the movable chamber is closed with the fixed chamber, and the working condition requirements of vacuum melting and pouring are met. The walking frame moves linearly, the rotating disc rotates, and the two are combined to realize composite positioning of horizontal displacement and angle adjustment, different specifications and positions of molds can be accurately sent below the pouring opening, and different molds can be continuously poured in the same furnace.

The application discloses a cooling device for polycrystalline silicon production and belongs to the technical field of polycrystalline silicon production equipment, which comprises a lower ingot casting furnace slidably arranged on a cooling box, a upper ingot casting furnace detachably arranged on the lower ingot casting furnace, and a circular ring arranged on the lower ingot casting furnace; the cooling device further comprises two groups of lifting mechanisms, multiple groups of temperature equalizing mechanisms, a first water passing support mechanism and a second water passing support mechanism. The motor drives the screw rod to rotate, drives the screw nut, the connecting block, the circular ring and the lower ingot casting furnace to vertically reciprocate along the cooling box, adjusts the lifting displacement of the lower ingot casting furnace in the cooling box, simultaneously provides power sources for the temperature equalizing mechanisms, the first water passing support mechanism and the second water passing support mechanism, synchronously drives multiple mechanisms to link, breaks the mode that each mechanism of the traditional cooling device independently operates, improves the integration degree of the device, and reduces the manufacturing cost and operation energy consumption of the device.

1. The name of the design product: gold and silver ingot casting machine. 2. The use of the design product: for gold and silver vacuum casting. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application discloses a high-temperature-resistant silicon-manganese alloy pouring ingot mold and belongs to the technical field of ingot molds. The high-temperature-resistant silicon-manganese alloy pouring ingot mold comprises an ingot mold body and a forming cavity formed in the ingot mold body. A lifting lug is arranged at the upper end edge of the ingot mold body. A heat shield is arranged at the side of the ingot mold body. An air guide opening is formed in the heat shield. Heat absorbing particles are filled in the heat shield. A movable column is fixed to the upper and lower ends of the heat shield and is inserted into the middle part of a limiting cover. The high-temperature-resistant silicon-manganese alloy pouring ingot mold is provided with a cooling channel. The fluid in the cooling channel exchanges heat with the ingot mold, so that the ingot mold is cooled. The fluid after heat exchange can pass through a heat storage area, the heat energy in the fluid after heat exchange is utilized, the ingot mold is preheated by using the heat energy, the inner wall of the mold body is prevented from instantaneously expanding due to heat and the outer wall is prevented from shrinking due to low temperature, great thermal stress is avoided, mold cavity cracks and deformation are avoided, and the like.

The application discloses a kind of high-purity indium continuous purification impurity migration subsection control methods, belong to high-purity indium purification technical field;Including: S1: raw material pretreatment;S2: continuous feeding and melting zone formation;S3: impurity migration subsection control, including first end impurity enrichment section, main purification section and tail end impurity enrichment section;S4: on-line monitoring and dynamic adjustment;S5: continuous discharge and ingot casting;S6: impurity enrichment recovery;The application solves the problems of low batch production efficiency, poor separation impurity removal effect, insufficient product purity stability, low indium resource recovery rate and high secondary pollution risk in the process of high-purity indium purification.

The present application relates to the technical field of steel ingot casting, in particular to a design method of a steel ingot heat preservation cap, comprising S1, designing the thickness of an inner shell; S2, designing the height of the inner shell; S3, calculating the allowable thickness of thermal stress of an outer shell; S4, checking the hoisting mechanical stress of the outer shell. The thickness of the inner shell of the heat preservation cap is determined by thermal stress and static pressure, so that the inner shell of the heat preservation cap can meet the requirements of mechanical strength and thermal stress at the same time, the structure is stable during the forming process of the steel ingot, and good heat preservation effect is achieved, the preparation of high-quality steel ingot is met. Meanwhile, the allowable thickness of thermal stress of the outer shell is calculated, and the hoisting mechanical stress of the outer shell is checked in combination with the allowable stress of the outer shell material at the working temperature, so that the thickness of the outer shell meets the stable use at the working temperature, and the mechanical strength can meet the structural stability requirements in the moving and hoisting process, the service life is prolonged, the heat preservation cap is composed of the inner shell and the outer shell, the use effect of the heat preservation cap is improved, and the preparation of high-quality steel ingot is realized.

The present application belongs to the technical field of high-purity metal preparation, and particularly relates to a vacuum distillation device. The vacuum distillation furnace body is sequentially provided with an evaporation zone, a condensation zone and a melting zone from bottom to top. The evaporation zone is provided with a reflux plate. The condensation zone is provided with a gas guide pipe, a condensation disc, a flow guide pipe and a liquid seal assembly. The flow guide pipe is inserted into the gas guide pipe. The liquid seal assembly is provided with a liquid lithium valve on a liquid seal pipeline. The melting zone is provided with a cone valve and a feed inlet. The vacuum distillation furnace body is located in a heating furnace chamber. The vacuum distillation furnace body is in communication with a vacuum ingot casting box. The vacuum ingot casting box is provided with a crucible, a rotating unit, a motor and heating fins. The present application purifies lithium metal by using a vacuum distillation method, and realizes the preparation of high-purity lithium metal.

The application relates to a lead-calcium alloy casting technology field, in particular to a lead-calcium alloy ingot casting device and a using method thereof. The device comprises a supporting frame and a discharging platform. The outer wall lower part of the supporting frame is fixedly connected with the discharging platform. The outer wall bottom of the supporting frame is fixedly connected with a bottom platform. The upper ends of the two sides of the bottom platform are fixedly connected with hydraulic cylinders. The upper part of the second sliding platform is provided with a limiting assembly. The outer wall of the left side of the second sliding platform is provided with an adjusting assembly. Through cooperation between the cross beam, the first sliding platform, the heating furnace, the hydraulic cylinder, the sleeve and the inserting rod, the inserting rod is firstly inserted into the arc-shaped groove in the inner wall bottom of the sleeve. Because of the arc-shaped design of the top of the inserting rod, the two can automatically adjust the position alignment. Thus, the problem that the material cylinder loaded with raw materials is directly placed into the heating furnace or the material cylinder is placed into the heating furnace and then raw materials are added, which is prone to falling impact and causes damage to the heating furnace, can be effectively avoided.

The application provides a crystallizer ingot casting cooling device, and belongs to the field of manufacturing of forging auxiliary equipment; the application comprises: a plurality of cooling modules; each cooling module is in a circular tube shape; an annular heat conduction sleeve is arranged in the inner cavity of the cooling module; a plurality of vertical air inlet pipes and a plurality of vertical air outlet pipes are arranged in the annular heat conduction sleeve, and one air inlet pipe is arranged between two adjacent air outlet pipes; two adjacent cooling modules are stacked in the vertical direction and the air inlet pipes and the air outlet pipes are in butt joint with each other; an annular water channel is arranged outside the annular heat conduction sleeve in each cooling module, and the annular water channel is provided with a water inlet pipe and a water outlet pipe; the plurality of cooling modules comprise: a bottom module, a plurality of middle modules and a top module which are stacked in sequence from bottom to top; a bottom plate is arranged at the bottom of the bottom module; a plurality of communication pipes are arranged at the top of the top module, and the two ends of the communication pipes are respectively connected with an adjacent air outlet pipe and an air inlet pipe. The application realizes cooling and crystallization control of different regions by arranging a plurality of stacked cooling modules, and the quality of crystallization is maximally ensured.

This invention relates to the field of mold cooling technology, and in particular to a temperature-adjustable zinc ingot casting mold cooling device, comprising a mold body, and further comprising: an air-cooling component, including a cooling jacket disposed outside the mold body, an air vent opened on the side of the cooling jacket, and an air guide groove opened on the inner bottom surface of the cooling jacket and connected to the air vent; a water-cooling component, including a water tank disposed at the bottom of the cooling jacket, a water trough opened on the top surface of the cooling jacket, a return hole and micro-channels opened between the water trough and the water tank, and a water pump disposed inside the water tank and connected to the micro-channels by a pipe; and an evaporation component, including a heat spreader plate arrayed on the inner wall of the air vent, and overflow holes opened on the upper and lower inner walls of the air vent and respectively connected to the water trough and the water tank; by combining the air-cooling component, the water-cooling component, and the evaporation component, multi-level control of the mold cooling process is achieved, thereby improving the overall cooling performance.

A kind of high-lead antimony preparation antimony white production system, it includes: blowing furnace;Blowing furnace left side is equipped with pressure fan, pressure fan is connected with the blowing furnace by blowing pipe, blowing pipe is located in the hearth upper side of blowing furnace;Blowing furnace right side is equipped with air cooler for collecting antimony white containing smoke, one end of air cooler is connected with the top outlet of blowing furnace, other end is connected with dust collection device, dust collection device is equipped in the right side of air cooler;Dust collection device is connected with exhaust fan, exhaust fan is equipped in the rear of dust collection device, the outlet of exhaust fan is connected with water trap;Blowing furnace bottom discharge port below is equipped with ingot casting machine;Blowing furnace is electrically connected with temperature control device, temperature control device is arranged in the rear of blowing furnace.The production system provided by the utility model has good antimony white preparation effect, meets 99.5 antimony trioxide national standard, has low manufacturing cost and good economic benefit;The system is simple to operate, fast and efficient, and has short technological process, and can realize full-automatic control;No environmental pollution, low cost, less investment.

This utility model relates to the field of aluminum ingot cooling technology, specifically a rapid cooling device for aluminum ingot casting molds. It includes an aluminum ingot production and transport line, with a cooling water tank located on one side below the line. Several aluminum ingot retention boxes are installed on the production and transport line, each with a casting groove. The inner wall of the casting groove has several first grooves, with a first baffle slidably installed within each groove. The outer wall of each aluminum ingot retention box has a second groove, with a second baffle slidably installed within each groove. First wedge-shaped blocks are provided on both sides of the outer wall of the second baffle. Several sliding grooves are provided on both sides of the inner wall of the cooling water tank, with a first spring fixedly installed within each groove. A second wedge-shaped block is fixedly installed on one side of each spring, accelerating heat transfer and achieving a faster final cooling rate.

The application provides a purification method of solid aluminum electrolysis product, mainly comprising the following steps: inserting an aluminum electrode plate into a molten electrolyte to perform electrolysis by direct current; scraping off the product on the surface of the aluminum cathode plate, and pressing the product scraped off from the surface of the aluminum cathode plate to obtain a cake-shaped product; placing the cake-shaped product into a molten aluminum furnace, and covering the cake-shaped product with a powdery electrolyte on the upper part of the cake-shaped product; heating the cake-shaped product and the powdery electrolyte to complete melting, cooling the lower-layer aluminum liquid, and then performing vacuum melting, and after the melting is completed, performing ingot casting to obtain a high-purity aluminum ingot. The application can realize complete separation of high-purity aluminum and electrolyte, can obtain high-purity aluminum with higher purity, can greatly improve the yield of high-purity aluminum by reducing the oxidation degree of high-purity aluminum in the melting process, and can shorten the process flow, has no pollution, and can reduce the production cost of high-purity aluminum.

The utility model relates to the field of non-ferrous metal smelting technology, concretely relates to a linear ingot casting machine stripping and ingot connecting device, including floating positioning guide mechanism and ingot connecting mechanism, the floating guide mechanism includes frame, floating guide plate and elastic support component, the floating guide plate includes straight arm part and sets up the arc part at the lower end of straight arm part, the upper end of straight arm part is rotatively connected with the frame, the arc part is located the outside of linear ingot casting machine driving wheel, and the elastic support component is connected with the arc part, the ingot connecting mechanism includes support block no.

This utility model discloses a lithium ingot casting system, belonging to the field of metal casting technology, including a cooling device, a casting device, and a casting mold. The cooling device is a circular column with grooves evenly distributed circumferentially on its upper surface, and the casting mold is set in the grooves. The casting device is used to pour molten lithium into the casting mold and includes an electric regulating valve, inner and outer sleeves, with the outer sleeve fitted over the inner sleeve and driven to rise and fall by a servo electric cylinder. Multiple sets of heating devices and shrinkage compensation pipelines are provided above the cooling device. This system realizes multi-mold circulating casting, heating and shrinkage compensation, and ingot removal through a rotating structure, improving production efficiency and quality. The cooling device in this utility model can reduce the temperature difference between the upper and lower parts of the casting mold, effectively reducing the shrinkage cavity size of the lithium ingot. The casting device can control the pouring process to prevent gas mixing and liquid splashing, ensuring that the lithium ingot is free of pores and has a uniform composition.

In a continuous casting machine (1), a metal strand (2) is cast and rolled into a flat rolled product, without first being divided into sections, from the casting heat in roll stands (4) arranged downstream of the continuous casting machine (1). During the casting of the metal strand (2), a width (b0) of the metal strand (2) is changed by the continuous casting machine (1) from an initial width (bA) to a final width (bE) such that the metal strand (2) has a corresponding transitional section. Before the rolling of the transitional section in the roll stands (4), in an edger (3) arranged upstream of the roll stands (4) work rolls of the edger (3) are adjusted to the transitional section while the transitional section is passing through the edger (3) such that the metal strand (2) is compressed in the transitional section. The work rolls are set by a control device (6) to an initial adjustment at the beginning of the passage of the transitional section through the edger (3) and progressively to a final adjustment according to a displacement curve during the passage of the transitional section through the edger (3). At the end of the passage of the transitional section through the edger (3), they are moved away from the metal strand (2). If the initial width (bA) is greater than the final width (bE), the final adjustment corresponds to the final width (bE) and the control device (6) determines the initial adjustment and the displacement curve in dependence on the stated static and dynamic properties online by means of a model (12) such that a width of the flat rolled product in the region of the transitional section corresponds as far as possible to a target width of the flat rolled product after the transitional section. If the initial width (bA) is less than the final width (bE), the initial adjustment corresponds to the initial width (bA) and the control device (6) determines the final adjustment and the displacement curve in dependence on the stated static and dynamic properties online by means of a model (12) such that the width of the flat rolled product in the region of the transitional section corresponds as far as possible to a target width of the flat rolled product before the transitional section.

The utility model provides a kind of for aluminium ingot casting's aluminium liquid transition mechanism, it is related to aluminium ingot casting technical field, it includes: upper cylinder, its one end end face is equipped with sliding slot;Lifting mechanism, it is located in the inside of upper cylinder in sliding slot;Lower cylinder, its one end end face is slidably connected with upper cylinder by sliding slot, and other end end face is equipped with annular liquid passage;Among them, the lifting end of lifting mechanism is connected with the one end end face of lower cylinder towards upper cylinder, for driving lower cylinder reciprocating along the central axis direction of upper cylinder, the transition mechanism can prevent the splashing of aluminium liquid when aluminium liquid is transported into mould by transport mechanism.

This utility model discloses an automatic injection molding continuous casting ingot casting device, including a casting chute, a continuous casting device, and a mold. The casting chute is located at the front of the continuous casting device, and the mold is located above the continuous casting device. The continuous casting device is electrically connected to the production workshop control cabinet. The continuous casting device also includes a transfer chute, a traction mechanism, and a support platform. The casting chute is also equipped with a control gate mechanism that automatically cuts off the flow of cooling water in conjunction with the traction mechanism to move the mold. The function of this utility model is to increase the circulation of cooling water, ensure the cooling efficiency of the device for the mold, and improve work efficiency; at the same time, it extends the stroke of the mold from casting to ingot removal, increases the cooling time of the ingot so that the ingot can be removed in time, prevents the ingot from occupying the mold space due to cooling, ensures the continuity of the casting process, and increases work efficiency; it also reduces material waste and saves the production cost of recycling leaked molten metal blocks.

The application belongs to the technical field of noble metal purification, and specifically discloses a cyanide-free gold leaching and purification process for waste circuit boards, which comprises the following steps: crushing the waste circuit boards, low-temperature passivation, deionized water washing, screening and draining for standby; adopting histidine-glycine composite complexing leaching solution with pH 7.2-7.8, constant-temperature leaching at 45-55 DEG C for 3-6 hours, filtering and separating the gold-containing leaching solution; adding activated carbon into the gold-containing leaching solution, pressure filtration, and obtaining gold-containing mother liquor; adding zinc powder into the mother liquor, stirring and replacing, standing and settling after replacement is completed, filtering and collecting black gold mud; and placing the black gold mud in a nitric acid solution for impurity removal, roasting and smelting ingot casting, and obtaining high-purity gold ingot. The cyanide-free gold leaching and purification process for waste circuit boards has low copper, nickel and iron base metal leaching rate, reduces impurity dissolution from the source, reduces refining cost, and is superior to the conventional amino acid gold leaching process.

The utility model discloses an automatic casting device of aluminium ingot, including the casing, smelting furnace, hydraulic pressure rod, flow guide groove, distributor, frame, transmission chain, transmission structure, fan, rotating device, smelting furnace rotatory connection is in the inside of casing, and hydraulic pressure rod both ends are connected with smelting furnace and casing respectively, and flow guide groove is connected on the casing lateral wall below smelting furnace discharge gate, and the distributor rotatory connection is in the flow guide groove end, and transmission chain is connected in the frame inboard top through the pivot, and the equal interval parallel connection of transmission chain has the supporting plate, and the output of rotating device is connected with the input shaft of transmission chain, and the top of frame is connected with the rotating shaft and fan through the support, and the rotating shaft one end is connected with the distributor and is connected with transmission chain through the transmission device, compared with the prior art, the utility model drives transmission chain and transmission device to run through rotating device, drives the distributor to rotate, and according to need automatic quantitative pouring of aluminium water to the mould on the supporting plate transmission, improves the efficiency and quality of casting production aluminium ingot.

This utility model relates to the field of tellurium ingot casting technology, and specifically discloses a tellurium ingot casting device, including a furnace, a chute, a casting sump, and a casting machine platform. The furnace includes a crucible, a cover plate, insulating bricks, a heating device, a thermocouple, a first outer shell, a support, a rotating shaft, a connecting shaft, a leak detection port, and a pressure cap. The furnace is mounted on the support and connected by the rotating shaft. The cover plate is connected to the first outer shell through the connecting shaft. The first outer shell is made of stainless steel. The leak detection port is located on the side of the furnace near the chute. The crucible is made of silicon carbide graphite and is fixed to the first outer shell by the pressure cap. The insulating bricks and the heating device are located between the crucible and the first outer shell. This utility model adopts a two-stage zoned temperature-controlled melting and impurity removal method from bottom to top. Impurities easily float to the surface and solidify, resulting in good stratification with the molten tellurium. The impurity removal effect is good, the operation is simple, and the tellurium yield is high. The entire operation process is controlled by PLC, with a high degree of automation, avoiding frequent contact between operators and the high-temperature molten material, and creating a friendly working environment.

This invention discloses a method for producing high-strength, wear-resistant, high-manganese steel by ingot casting, comprising: smelting low-nitrogen scrap steel in an electric arc furnace and an induction furnace; transferring the resulting molten steel from the electric arc furnace and induction furnace to an LF furnace for refining and alloying; transferring the refined molten steel to a VD furnace for vacuum denitrification treatment; and pouring the resulting molten steel, gradually increasing the steel throughput during the pouring process to obtain an ingot. The high-strength, wear-resistant, high-manganese steel ingot produced under the process conditions of this invention has a smooth surface, good internal crystal quality, no obvious central porosity, shrinkage cavities, or other defects, uniform element distribution, yield strength ≥400MPa, tensile strength ≥850MPa, and a 5% increase in yield. This method can reduce defects in high-manganese steel ingot casting, improve the internal quality and yield of the ingot, and increase raw material utilization. It is of great significance for saving resources and energy, reducing production costs, and improving production efficiency.

This invention belongs to the field of iron and steel metallurgical casting technology, and discloses a composite process of variable cross-section flow guidance and zoned aging for steel ingot casting. This process includes three parts: a variable cross-section flow guiding ingot mold structure design, a three-stage pulse cooling process, and a stepped zoned aging process. These three parts work together to optimize casting quality and reduce energy consumption. This invention constructs an orderly solidification gradient in the casting by setting through-grooves with gradually varying width and depth from bottom to top on the inner wall of the ingot mold, combined with three-stage pulse cooling precisely matched to the solidification process. Simultaneously, it utilizes the residual heat from casting demolding for a three-stage stepped aging treatment, replacing the traditional offline annealing process. This invention can reduce the defect rate of shrinkage cavities and cracks in castings from 8%-12% in traditional processes to ≤2%, reduce overall energy consumption per ton of steel by 20%-25%, increase production efficiency by 30%-40%, and refine the grain size of castings by 25%-30%.

The utility model discloses a kind of ingot casting devices for polysilicon ingot furnace, it relates to the field of polysilicon ingot, and its technical scheme main point is including crucible, the crucible top is equipped with extension fence, extension fence moves up and down along the height direction of crucible, and drive element is connected to the crucible end in the direction of extension fence, the side of the crucible is equipped with moving block, two moving blocks are equipped in each side of crucible, drive element is located between two moving blocks position, the top of moving block is slidably connected with adjusting rod, blade type strip is fixed to the side of adjusting rod towards crucible, and blade type strip is equipped with several, reaches without changing the structure of crucible itself, does not affect the quality of polysilicon casting formation, and the effect that it is convenient for polysilicon cast block removal.

This invention discloses a high wear-resistant and corrosion-resistant mold steel and its manufacturing method. The prepared mold steel contains the following chemical elements in the following percentages: C: 0.46%–0.53%; Si ≤ 0.40%; Mn: 0.70%–0.90%; Cr: 15.50%–16.50%; Ni: 0.20%–0.40%; Mo: 1.0%–1.30%; P ≤ 0.030%; S ≤ 0.010%; V: 0.10%–0.20%; N: 0.08%–0.15%. The remainder consists of Fe and unavoidable impurities. The preparation method includes the following steps: steel smelting - steel ingot casting - electroslag remelting - hot rolling - cooling - annealing to obtain a uniform spheroidized pearlite annealed structure. At the same time, the mold steel produced by the present invention through the overall method of steel smelting - steel ingot casting - electroslag remelting - hot rolling - cooling - annealing, using "flat crystallizer + low melting rate smelting" for rapid solidification and "residual heat quenching after hot rolling + isothermal annealing" has high wear resistance and corrosion resistance, thereby ensuring the performance, efficiency and quality of the produced mold products.

The utility model relates to the technical field of aluminum ingot casting, in particular to an aluminum ingot overturning device which comprises an overturning frame body, an overturning piece and a conveying belt, the conveying belt is arranged on the overturning frame body, a plurality of aluminum ingots are placed on the conveying belt at fixed intervals, the two sides of the overturning piece are hinged to the overturning frame body, and the overturning piece can rotate towards the overturning frame body. A bending section is arranged at one end of the overturning piece, the aluminum ingot moves through the conveying belt, and one end of the aluminum ingot is connected into the bending section. According to the aluminum ingot overturning device, the lower portion of an aluminum ingot is suspended, when the aluminum ingot is conveyed to the bent section of the overturning piece, the overturning piece moves in the clockwise direction, so that the aluminum ingot is overturned from the middle, the aluminum ingot cannot be blocked in the overturning process, the whole overturning process is stable and efficient, meanwhile, the driving piece is connected in a detachable mode, and the aluminum ingot overturning device is convenient to use. The mounting and dismounting time of the whole device is greatly shortened, the device can be replaced in time when being damaged, and the service life of the turnover device is prolonged.