271 results about "Ingot casting" patented technology

The invention discloses an automatic control method and device for a furnace plug of an aluminum ingot casting holding furnace, the device comprises a holding furnace (11), the holding furnace (11) is connected with an annular distributor through a chute (16), and the annular distributor is connected with a casting mould (15), and the automatic control method is characterized in that after production is started, a furnace mouth of the holding furnace (11) is closed firstly, and after the temperature and the liquid level of molten aluminum in the holding furnace (11) reach the standard, the furnace mouth of the holding furnace (11) is opened; molten aluminum flows into a chute (16), passes through an annular distributor and then enters a casting mold (15); when molten aluminum flows into the annular distributor, the conveying speed of the casting mould (15) is controlled by detecting the liquid level of the molten aluminum, and accurate casting of aluminum ingots is achieved. The opening degree of the furnace plug and the conveying speed of the aluminum ingot casting mold can be adjusted, so that the flow of molten aluminum is stable, and the quality of cast aluminum ingots reaches the standard; in addition, the casting mold conveying speed can be adjusted in time according to liquid level fluctuation, and the situation that molten aluminum overflows or is cut off is avoided.

The invention relates to a crack defect detection method, system, equipment and medium in an alloy slab ingot casting process, and the method comprises the following steps: synchronously collecting acoustic emission signals through at least two acoustic emission sensor arrays arranged along the width direction of a slab ingot; adaptive segmentation processing is carried out on the acoustic emission signals, and comprehensive characteristic parameters are extracted through wavelet packet decomposition and Hilbert transform collaborative analysis; processing the comprehensive characteristic parameters based on a pre-trained multi-modal deep forest model to obtain crack category information; and configuring a propagation path weight coefficient corresponding to the category for the identified crack feature information, and outputting crack defect characterization information by combining anisotropic correction of sound wave propagation in the slab ingot according to a time difference and a spatial geometrical relationship when an acoustic emission signal reaches each sensor array. Therefore, through a multi-dimensional perception and intelligent analysis cooperation mechanism, all-directional monitoring and accurate characterization of crack defects in the slab ingot solidification process are achieved.

The invention provides a low-sulfur manganese-silicon alloy and a production method thereof.The method comprises the steps that silica, coke and manganese ore are crushed and then mixed with lime, and smelting raw materials are obtained; a closed electric furnace is filled with smelting raw materials for smelting, and alloy melt is obtained; the alloy melt is transferred into a ladle, a desulfurizing agent is added for the desulfurization process, and manganese-silicon alloy molten iron is obtained; and the manganese-silicon alloy molten iron is poured into a mold for ingot casting, and a manganese-silicon alloy finished product is obtained after cooling. According to the method, the method capable of effectively reducing the sulfur content in the manganese-silicon alloy is provided through the steps of raw material crushing and mixing, in-furnace power transmission refining, out-of-furnace desulfurization, casting molding and the like, the low-sulfur manganese-silicon alloy is produced, and therefore control over the sulfur element content in a steelmaking product is facilitated.

The invention relates to the technical field of rare earth permanent magnet materials, in particular to a preparation process of a core-shell structure enhanced neodymium iron boron magnet. Through a multi-component composite formula of high-abundance rare earth and a small amount of heavy rare earth and in combination with a magnesium interface catalytic pretreatment and grain boundary diffusion technology, a Dy-rich shell layer is formed on the surface of a main phase grain, a core-shell structure is constructed, and the coercivity and the high-temperature stability are remarkably improved. An integrated continuous production technology is adopted in the preparation process and comprises the steps of vacuum melting, continuous ingot casting, jet milling, magnetic field forming and continuous sintering, laser-electrochemical integrated machining is integrated, and high-precision cutting and surface corrosion prevention are achieved. The invention further relates to special equipment, such as a multi-zone intelligent temperature control vacuum sintering furnace and double-shaft stirring-composite magnetic field powder equipment, so that the temperature uniformity and the powder orientation degree are ensured. According to the process, heavy rare earth dependence is reduced, the coercive force reaches 24 kOe or above, the high-temperature magnetic performance attenuation is smaller than or equal to 5%, the production cost is reduced, the efficiency is improved, and the process is suitable for the fields of motors, electronics and the like.

The present application relates to a kind of rack steel layered casting composite flux and its preparation, method for using, the component and content of composite flux are as follows: high-purity iron powder: 40%~50%, high-purity rare earth powder: 20%~30%, analytical pure sodium pyrovanadate: 20%~40%.Using layered casting process of composite flux with rack steel, the macrosegregation and shrinkage cavity defects of large rack steel ingot can be significantly improved, which provides a simple, feasible and effective way to improve the composition homogenization degree of ingot, helps to improve the overall quality of rack steel ingot, also shortens the production cycle and improves the production efficiency, thereby improves the production capacity of large rack steel ingot, reduces the production energy consumption and production cost;The present application has important significance for breaking through the bottleneck of high homogenization large rack steel ingot manufacturing, laying the new technical theoretical foundation and industrialization application of large rack steel ingot casting, and improving the manufacturing technology level of key components of large equipment in China.

The utility model discloses an aluminum ingot casting ingot stripping detection device which comprises a fixed plate, movable rods and an arc-shaped supporting arm, the movable rods are rotationally connected to the two sides of the fixed plate through supports, air cylinders are arranged outside the movable rods, hammer heads are arranged at the bottoms of the movable rods, and the arc-shaped supporting arm is arranged on the fixed plate on the inner sides of the supports. The number of the arc-shaped supporting arms is two, a connecting rod is arranged between the two arc-shaped supporting arms, a laser range finder is arranged in the middle of the connecting rod, and the laser range finder is electrically connected with the controller. According to the device, a formed aluminum ingot in an equipment mold can be knocked, so that the aluminum ingot can be quickly demolded; the laser range finder is arranged on the connecting rod, so that measured distance data can be transmitted to the controller in real time, and whether the aluminum ingot is completely demoulded or not is judged; automatic detection and judgment of the aluminum ingot demolding state are achieved, manual intervention is not needed, and the production efficiency and the automation level are greatly improved.

The invention discloses a magnesium alloy with ultrahigh electromagnetic shielding effectiveness and excellent strength and a preparation method thereof. According to the magnesium alloy, through specific component design (Gd, Zn and Zr), the working procedures of cast ingot casting, homogenization pretreatment, hot extrusion forming and aging treatment are combined, a double-peak grain structure is successfully constructed in the magnesium alloy, and a large number of fine beta'strengthening phases are induced and separated out; wherein the excellent strength and plasticity of the magnesium alloy are guaranteed through the double-peak grain structure; the strength of the material is remarkably improved through the fine beta'strengthening phase, and meanwhile, a formed interface network is beneficial to enhancing multiple times of reflection and absorption of electromagnetic waves, so that the strength is improved, the ultrahigh electromagnetic shielding effectiveness is guaranteed, the tensile strength of the material reaches and exceeds 370 MPa, and meanwhile, in the broadband range of 30 MHz to 3000 MHz, the electromagnetic shielding performance of the material is greatly improved. The electromagnetic shielding effectiveness stability is larger than 105 dB, breakthrough collaborative improvement of performance indexes is achieved, and the electromagnetic shielding material is suitable for being applied to the fields with extremely strict requirements for the weight, the structural reliability and the electromagnetic environment.

The utility model relates to metal ingot casting field especially nickel iron ingot casting demoulding device, including conveyor, pouring mold, mobile shovel plate, movable plate and elastic expansion link etc. ; The conveyor is installed with a plurality of pouring molds, each pouring mold is slidably connected with a mobile shovel plate, and the mobile shovel plate is attached to the pouring mold surface, each mobile shovel plate is slidably connected with a movable plate, and each movable plate is provided with a scraper department on both sides, each mobile shovel plate is fixedly connected with a plurality of elastic expansion links. The flow edge on the pouring mold surface is scraped down through the mobile shovel plate movement, thereby alleviating the difficulty of subsequent demoulding, and the movable plate is driven to move, the oxidation impurities attached to the ingot surface and the pouring mold are scraped, thereby separating the oxidation impurities and the pouring mold, facilitating the demoulding of subsequent ingot.

The invention relates to milling machine cast ingot transfer equipment and method.The milling machine cast ingot transfer equipment comprises a transverse moving rail, the transverse moving rail is arranged on one side between an inlet roller way and an outlet roller way of a milling machine, and an inlet longitudinal rail leading to the inlet roller way is arranged at one end, close to the side of the inlet roller way, of the transverse moving rail; an outlet longitudinal rail leading to the outlet roller way is arranged at the other end, close to one side of the outlet roller way, of the transverse moving rail; a plurality of pairs of storage saddles used for temporarily storing cast ingots are arranged on the other side of the transverse moving rail at intervals in the transverse direction, and a longitudinal material level rail leading to the storage saddles is arranged on the other side of the transverse moving rail. A main vehicle system capable of transversely moving is arranged on the transverse moving rail, and an auxiliary vehicle system capable of longitudinally moving to the inlet longitudinal rail, the outlet longitudinal rail and the longitudinal material level rail and used for lifting and falling cast ingots is arranged on the main vehicle system. The equipment and the method are beneficial to solving the problem of waiting time of a milling machine caused by returning and overturning of the cast ingot in the traditional process, so that continuity and high efficiency of the production process are realized.

The application discloses an aluminum alloy ingot casting device, which comprises a mounting frame, a plurality of molds are rotatably installed in the inner cavity of the mounting frame, a feeding pipe is fixedly installed on the top of the mounting frame, and a water tank is fixedly installed on one side of the mounting frame; the device further comprises a drying mechanism which is used for drying the aluminum alloy ingot cooled by water; the drying mechanism comprises a fan, the fan is fixedly installed on one side of the water tank, a gas pipe is fixedly connected to one side of the fan, an electric heating wire is fixedly installed in the inner cavity of the gas pipe, a plurality of air outlet pipes are fixedly installed on the outer surface of the gas pipe, a plurality of rolling shafts are rotatably installed in the inner cavity of the water tank, and a connecting box is fixedly installed on the top of the water tank; due to the self-gravity of the aluminum alloy ingot, the aluminum alloy ingot slowly slides on the top of the rolling shafts through the inclined arrangement of the rolling shafts, the fan blows air into the inner cavity of the gas pipe, the air is heated by the electric heating wire in the inner cavity of the gas pipe, hot air blows towards the aluminum alloy ingot to blow off the water on the surface of the aluminum alloy ingot, and the aluminum alloy ingot is dried.

The invention provides a gold and silver ingot multi-mold static ingot casting machine. The gold and silver ingot multi-mold static ingot casting machine comprises a melting and cooling mechanism, a mold moving mechanism, a weighing and feeding mechanism, a cover taking mechanism, an ingot discharging and cooling mechanism, a furnace conveying mechanism, an ingot overturning mechanism, a mold spacer block, a mold and a mold cover. The conveying and furnace entering mechanism is used for moving the mold filled with the raw materials from the tail end of the cooling station to the front end of the heating station and conveying the mold into the heating station; the mold moving mechanism is used for achieving mold transferring, and the cover taking mechanism, the weighing and feeding mechanism, the ingot overturning mechanism and the ingot discharging and cooling mechanism are arranged on one side of the cooling station. When the heating station of the melting and cooling mechanism completes melting of the raw materials in the mold, the mold is sent to the cooling station. And at the moment, the conveying and charging mechanism can convey another mold filled with the raw materials into a heating station of the melting and cooling mechanism in time for melting and casting. In this way, the heating station is fully utilized, continuous ingot casting of the heating station is achieved, and then the ingot casting efficiency can be more effectively improved.

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 invention discloses a rare earth molten salt electrolysis system and method. The rare earth molten salt electrolysis system includes a rare earth molten salt electrolysis device, a base, liquid guiding pipes, and a rare earth metal ingot casting device. Multiple bases are arranged in parallel. Each base has multiple receiving tanks. Multiple rare earth molten salt electrolysis devices are used. Each device includes an electrolysis cell body and a tubular cathode. A portion of the tubular cathode extends into the electrolysis cell body, and another portion is located outside the electrolysis cell body. The tubular cathode has a hollow structure. At least a portion of the electrolysis cell body is disposed within the receiving tanks. Multiple liquid guiding pipes are connected to the tubular cathode and the rare earth metal ingot casting device, respectively, for guiding the electrolyzed liquid rare earth metal into the rare earth metal ingot casting device. The rare earth metal ingot casting device is configured to form multiple ingot casting chambers. The rare earth molten salt electrolysis system of this invention can improve electrolysis efficiency.

The invention provides a method and device for predicting the crack risk in the preparation process of a nuclear power steel material, and the method comprises the steps: building and training a high-precision crack risk prediction model through the quantification of the interaction of the die casting temperature, the cooling time, the austenite grain size, the precipitate size and the ferrite film thickness; through the trained crack risk prediction model, the crack risk coefficient of the to-be-tested nuclear power steel material can be predicted based on the preparation process parameters and the structural characteristic parameters of the to-be-tested nuclear power steel material, and the process adjustment necessity assessment is carried out according to the crack risk coefficient of the to-be-tested nuclear power steel material. Crack defects are pre-judged in advance, die casting process parameters are optimized, and ingot casting quality is improved.

The utility model discloses a device for measuring the dry slag rate of liquid reduced lead. The device comprises a sampling mechanism for sampling reduced lead liquid from a liquid lead bag, and an ingot casting mold for preparing the reduced lead liquid taken by the sampling mechanism into a lead ingot for measuring the oxygen content and the sulfur content so as to calculate the dry slag rate of the reduced lead, the sampling mechanism comprises a sampling rod, a sealing plug matched with the sampling rod for sampling, and a handle connected to the outer wall of the sampling rod; the top end of an inner hole of the sampling rod is in a circular truncated cone shape facilitating installation of the sealing plug. The lower part of the sealing plug is in a big-end-up circular truncated cone shape matched with the top end of the inner hole of the sampling rod; the ingot casting mold is in a hollow cylinder shape with a bottom, and the interior of the ingot casting mold is in a big-end-up circular truncated cone shape so that a circular truncated cone-shaped lead ingot can be cast. The dry slag rate measuring device is simple in structure, rapid in dry slag rate measurement and high in accuracy, solves the problems that a conventional wet lead dry slag rate measurement period is long, measured data are easy to interfere, and measured values have deviation, and can better guide adjustment in the production process.

The invention discloses a production technology for a semiconductor silicon device ingot casting crucible. The production technology for the semiconductor silicon device ingot casting crucible comprises the steps that raw materials are prepared, wherein the raw materials of a quartz coating, the raw materials of a fused quartz ceramic sleeve, the raw materials of a silicon nitride coating and the raw materials of a fused quartz ceramic crucible are prepared; the raw material of the quartz coating is natural high-purity quartz sand containing 99.99% of silicon dioxide, and the raw material of the fused quartz ceramic sleeve and the raw material of the fused quartz ceramic crucible are both mixtures of D50 quartz fine slurry with the size of 8-12 micrometers and quartz coarse sand with the size of 20-200 meshes. According to the production process of the ingot casting crucible for the semiconductor silicon device, the fused quartz ceramic sleeve can be provided with a porous structure, and stress can be released when silicon liquid adheres; the overall stability of the composite structure is enhanced through injection coagulation, slip casting and drying treatment, crucible breakage or silicon ingot defects caused by stress concentration are avoided, and ingot casting stability is guaranteed.

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.

The invention belongs to the technical field of alloy heat treatment, and particularly relates to a cobalt-based high-temperature alloy pipe, a preparation method and a high-temperature component. The invention discloses a preparation method of a cobalt-based high-temperature alloy pipe. The cobalt-based high-temperature alloy pipe comprises the following components in percentage by weight: 0.05%-0.15% of C, 0.2%-0.5% of Si, less than or equal to 1.50% of Mn, less than or equal to 0.020% of P, less than or equal to 0.010% of S, 20.0%-24.0% of Cr, 20.0%-24.0% of Ni, 13.0%-16.0% of W, less than or equal to 3.0% of Fe, 0.02%-0.12% of La and the balance of Co and inevitable impurities. And then ingot casting, electroslag remelting, forging cogging, hot extrusion cogging, intermediate pipe cold machining, intermediate pipe solid solution heat treatment, finished product cold machining, finished product solid solution heat treatment and finishing are conducted, and finally the cobalt-based high-temperature alloy pipe is obtained.

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 discloses a titanium-copper alloy pipe and a preparation method thereof. The titanium-copper alloy pipe comprises the following components in mass percent: Ti: 2.3-3.4%, Cr: 0.02-0.2%, Ni: 0.02-0.5%, Al: 0.15-0.20%, rare earth elements: 0-0.05%, the rare earth elements being at least one of Ce, La, Sc and Y, the balance being Cu and inevitable impurities, and Cu+Ti≥96.0%. The preparation method comprises the following steps: titanium-copper ingot casting, homogenization heat treatment, hole drilling and breaking down, pickling, quenching, rolling, aging hardening treatment, nondestructive testing, water pressure detection, wall thickness measurement and the like. The titanium-copper alloy pipe has a tensile strength of 1100-1250 MPa, a yield strength of 1050-1100 MPa, an elongation after fracture of ≥7.0%, and a hardness HRC of 38-42, and meets the requirements of the strength and corrosion resistance of a pressure-resistant outer cylinder for a logging-while-drilling device.

The utility model discloses a slab ingot casting device which comprises a casting mold arranged on a base, T-shaped notches are formed in the two sides of the casting mold respectively, and side plates matched with the T-shaped notches are arranged in the T-shaped notches so that the side plates can move outwards in the horizontal direction. The outer sides of the side plates are connected with racks through connecting rods, the racks are located below the casting mold, a motor is arranged on the base, an output shaft of the motor is connected with a gear, and the two racks are meshed with the two sides of the gear respectively. The casting mold solves the problem that in the prior art, in order to facilitate demolding, a demolding rod is arranged on the side face or the bottom of the casting mold, the air cylinder drives the demolding rod to eject out a formed cast ingot, and follow-up demolding and hoisting are facilitated. And as the large cast ingot is heavier, a large air cylinder with larger thrust needs to be arranged, and the production cost and the maintenance cost of the large air cylinder are increased.

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

The utility model relates to an automatic transfer platform device for a casting mold of a vacuum induction furnace. A table-board mold vehicle driving bracket is arranged above a rotating platform along a preset axis; the first driving mechanism is arranged at one end of the table-board mold vehicle driving bracket and is fixed on the rotating platform; the mold trolley is arranged on the table-board mold trolley driving bracket; the ingot casting chamber is arranged on one side of the rotating platform along a preset axis, and the mold vehicle is transferred into the ingot casting chamber before casting; the roasting furnace is arranged in the vertical direction of the preset axis of the ingot casting chamber and close to the rotating platform; the mold vehicle driving bracket is arranged in the roasting furnace, and the mold vehicle driving bracket is transversely placed and is perpendicular to the direction of the ingot casting chamber; transferring the mold vehicle between the ingot casting chamber and the roasting furnace by using the rotating platform; the mold transferring device has the advantages of being compact in structure, convenient to use, easy to operate and the like, and the molds can be automatically transferred in the limited workshop space.

The invention provides a Ti3Al alloy with high alpha2 phase second-class twin crystal content. The Ti3Al alloy is Ti-(30-36) Al-(2-4) Nb in atomic percent. In addition, the invention further provides a method for preparing the Ti3Al alloy with the high alpha2-phase second-class twin crystal content, and the method comprises the following steps: preparing materials; smelting and ingot casting; heat treatment is conducted, specifically, the cast ingot is placed in a heat treatment furnace at the temperature of 1200 DEG C, heat preservation is conducted for 10 h, then furnace cooling is conducted for homogenization treatment, then the cast ingot is placed in the heat treatment furnace at the temperature of 1000 DEG C, heat preservation is conducted for 5 h, and the cast ingot is taken out and quenched with water; (4) linear cutting; high-temperature compression deformation is carried out, the deformation temperature is 900 DEG C, the deformation amount is 10%, and the deformation rate is 0.01 s <-1 >. In the obtained Ti3Al alloy, the content of alpha2-phase second-class twin crystals is 30% or above.

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.

The invention discloses an aluminum-manganese-magnesium alloy ingot continuous casting molding device, which relates to the technical field of alloy ingot casting, and comprises a box body and a casting unit, an electromagnetic heating ring is fixed in the box body, a temperature controller is arranged on the side face of the box body, an adjusting unit is arranged on the front side face of the box body, a casting liquid shell is installed in the adjusting unit, casting openings are evenly formed in the surface of the casting liquid shell, and a conical groove is formed in the casting liquid shell and communicates with the casting openings; according to the aluminum-manganese-magnesium alloy ingot continuous casting forming device, the problem that waste is easily caused by traditional pouring of alloy liquid is solved in the mode that liquid is discharged from the bottom of the furnace body, meanwhile, the safety of the device is effectively improved, impurities and the like in the alloy liquid can be effectively removed through the arranged two-stage filter screen, and the service life of the device is prolonged. The quality of subsequent aluminum-manganese-magnesium alloy ingot finished products is guaranteed, and the casting liquid shell with the adjustable position can solve the problem that the casting position is single.

The invention relates to the technical field of metal materials, in particular to a preparation method of high-temperature-resistant memory metal for a temperature control device, which specifically comprises the following steps: S1, raw material smelting, S2, ingot casting pretreatment, S3, molding processing, S4, heat treatment and S5, surface treatment. According to the preparation method, the prepared nanorod composite material is added into the raw materials of the memory metal, the nanorod composite material can be used for pinning a grain boundary like a'framework ', preventing grain growth or grain boundary softening at a high temperature and enhancing the stability of a crystal structure, and the nanorod composite material is not easily scattered at the high temperature, so that the reversibility of phase change can be kept, and the mechanical property can be maintained; and the nanorod composite materials can be mutually connected through the fiber net-shaped structure coated on the surface, so that a continuous-phase nanorod layer is formed, the effect of isolating oxygen can be achieved, internal metal is prevented from being further oxidized and corroded, performance stability can still be maintained in a high-temperature environment, and the high-temperature resistance of the memory metal can be effectively improved.

The utility model discloses a high-speed tool steel cast ingot demoulding auxiliary device, which relates to the technical field of cast ingot demoulding and comprises a demoulding mechanism and a demoulding sliding plate mounted at the bottom of the demoulding mechanism, a mould closing mechanism is arranged at the top of the demoulding mechanism, and a top mould mounting support is arranged in the mould closing mechanism. The demolding mechanism comprises a workbench, a heat dissipation frame is fixedly installed on the top of the workbench, fixing blocks are fixedly installed on the two sides of the heat dissipation frame, fixing bolts are symmetrically connected to the interiors of the two fixing blocks in a threaded mode, and a bottom mold body is fixedly installed on the top of the heat dissipation frame. An air hole ejection sliding plate is slidably connected into the bottom die body, a certain airflow is generated through a demolding air pump, the airflow passes through the air hole ejection sliding plate to demold a cast ingot, meanwhile, when a demolding sliding cover moves to the bottom of a heat dissipation frame, heat of the bottom die body can be discharged from air holes in the two sides of the heat dissipation frame, and the heat dissipation efficiency is improved. Therefore, the heat dissipation effect of the bottom die body is improved.