21results about How to "Improve melting quality" patented technology

The utility model relates to the technical field of melting furnaces, in particular to a furnace bottom structure for an infrared optical glass melting furnace, which comprises a supporting plate part, a first heat insulation round brick, a furnace bottom supporting plate and a second heat insulation round brick, the first heat insulation layer is arranged between the first heat insulation round bricks and the bottom plate; the crucible fixing part comprises a second heat-insulating round brick nested on one side, deviating from the bottom plate, of the first heat-insulating round brick, a crucible support nested on one side, deviating from the bottom plate, of the second heat-insulating round brick, and a crucible claw group arranged on one side, deviating from the bottom plate, of the crucible support; and the eccentric opening penetrates through the crucible fixing part and the supporting plate part and is deviated from the center line of the furnace bottom structure. According to the utility model, the eccentric opening is formed in the furnace bottom structure, so that the straight channel pouring design of the vertical furnace is realized, the performance of a poured plastic solution is uniform and controllable, devitrification is not generated, and the yield of products is improved.

The utility model relates to the technical field of metal material processing, and discloses an aluminum-magnesium series alloy ingot smelting cooling device, which comprises a cooling tank, a heat exchanger, a heat exchanger and a heat exchanger, the smelting tank is arranged at the top of the cooling pool; the first cooling structure comprises a fixed water jacket, and the fixed water jacket is fixedly mounted on the outer wall of the smelting tank; the second cooling structure comprises six groups of stirring blades, and the stirring blades are arranged in the cooling tank; the water pump is fixedly mounted at the top of the cooling pond; the control panel is fixedly installed at the top of the cooling pond, the first cooling structure further comprises a first water conveying pipe and a second water conveying pipe which are fixedly installed at the two ends of the fixed water jacket correspondingly, the purpose of conducting rapid heat dissipation on the device is achieved, the cooling effect of cooling water is improved, the cooling rate of the smelting furnace is increased, and the using convenience of the device is improved; the device can conveniently collect high-temperature alloy liquid, and resource waste is reduced.

The application discloses a smelting furnace crucible anti-oxidation protection device and belongs to the technical field of smelting furnace crucible protection. The smelting furnace crucible anti-oxidation protection device is characterized by the following steps: inserting the flange crucible into the mounting through hole; after smelting is completed, retracting the telescopic end of the electric push rod, driving the push frame to slide reversely along the limiting slide rod, pushing the protection sealing cover plate to slide to the outside of the furnace body along the T-shaped guide slide bar through the pushing block, moving the push plate one away from the push plate two, gradually resetting the overlapping position of the push sliding groove one and the push sliding groove two, driving the push sliding frame to move reversely, synchronously separating the moving pressing strip from the flange of the crucible, reversely sliding the pushing block along the lifting sliding groove, pushing the linkage lifting strip to extend upward from the rectangular through slot, stably lifting the flange crucible, and directly taking out the lifted flange crucible from the mounting through hole after the protection sealing cover plate is completely opened, thereby completing dismounting.

The invention discloses a hot rolling method for 7000 series aluminum alloy wires and bars, and relates to the technical field of aluminum alloy machining. The invention aims to solve the problems that the production efficiency of the existing 7000 series aluminum alloy wire rod is low, the weight of a single produced wire rod is small, the structure uniformity is poor, and the prepared wire rod cracks when a rivet is upset. According to the hot rolling method for the 7000 series aluminum alloy wire and bar, 98% of large-deformation reducing can be achieved, and cracking is avoided; compared with a wire rod prepared by an extrusion and drawing process, the weight of the hot-rolled wire prepared by the method can reach 300 kilograms; and meanwhile, the preparation efficiency is high, and production of one coil of 300 kilograms of wire rods or more than 100 bars can be completed within one hour. According to the hot rolling method for the 7000 series aluminum alloy wire bar, the 7000 series aluminum alloy wire bar can be obtained.

The utility model discloses a quick electric melting device for neutral borosilicate glass production raw materials, which relates to the technical field of glass processing and comprises an outer-layer crucible, a vacuum layer is arranged on the inner surface of the outer-layer crucible, an inner-layer crucible is fixedly connected inside the vacuum layer, and a base is fixedly connected to the inner surface of the bottom end of the inner-layer crucible. The outer surface of the base is movably connected with a clamping and fixing block, the outer surface of the top end of the clamping and fixing block is fixedly connected with a connecting disc, and the outer surface of the top end of the connecting disc is fixedly connected with an annular slide way. The stirring ring rotates in the inner-layer crucible, so that raw materials are stirred, in the stirring process, due to the existence of the vacuum layer, the heat loss can be reduced, the electric melting efficiency is improved, meanwhile, the limiting rod can slide in the annular slide way, so that the position of the stirring ring is controlled, and the stirring ring is more stable during movement.

The invention relates to the technical field of green buildings, and discloses a building waste treatment device for green building construction, which comprises a material distribution bin, a pressing assembly is mounted in the material distribution bin, a cutting assembly penetrates through the material distribution bin, and an overturning assembly is arranged at the outlet end of the material distribution bin. And a hammering assembly linked with the overturning assembly is mounted at the top end of the overturning assembly. According to the building waste treatment equipment for green building construction, double-sided cutting is synchronously conducted on a gypsum board through an adjustable double-cutting structure, the paper surface of the whole gypsum board is stripped, the paper surface stripping thickness is adjustable through the adjustable structure of the double cutters, gypsum adhesion can be reduced while the paper surface is completely stripped as much as possible, and the production efficiency is improved. The pressing assembly can conduct downward extrusion and auxiliary cutting while stripping is conducted, the cut gypsum board is completely pushed out to the next procedure through structural cooperation after cutting is completed, and the procedures are tightly connected.

The utility model relates to the technical field of smelting vacuum furnaces, in particular to a smelting vacuum furnace with a smoke abatement mechanism, which comprises a vacuum furnace body, a smoke treatment mechanism is arranged on the outer side of the vacuum furnace body, the smoke treatment mechanism comprises a first smoke outlet pipe fixedly connected to the outer side wall of the vacuum furnace body, and the bottom end of the first smoke outlet pipe is fixedly connected with a filter box. The bottom end of the filter box is fixedly connected with a second smoke outlet pipe, the side, away from the filter box, of the second smoke outlet pipe is communicated with a spiral heat exchange pipe, the spiral heat exchange pipe is fixedly connected to the outer side wall of the vacuum furnace body, the end, away from the filter box, of the spiral heat exchange pipe is fixedly connected with a condensation smoke eliminator, and the bottom end of the condensation smoke eliminator is fixedly connected with a conical pipeline. The vacuum furnace body is matched with the smoke treatment mechanism, the coarse-mesh filter screen and the fine-mesh filter screen firstly filter large-particle smoke dust, the spiral heat exchange pipe is prevented from being blocked, heat in high-temperature smoke is conducted to the vacuum furnace body through the spiral heat exchange pipe, heat energy waste is reduced, and the energy utilization rate is increased.

The utility model discloses automatic impurity removal auxiliary equipment for aluminum ash smelting, and relates to the technical field of combustion equipment. Automatic impurity removal auxiliary equipment for aluminum ash smelting comprises a fixed bottom plate, a supporting frame is fixedly connected to the top of the fixed bottom plate, a smelting furnace and an auxiliary impurity removal structure are rotationally installed in the supporting frame, and the auxiliary impurity removal structure is located on the supporting frame; the auxiliary impurity removing structure comprises a second fixing plate, a first fixing plate, a lifting frame, two electric telescopic rods, a mounting frame and a driving motor, and the auxiliary equipment can stretch into the smelting furnace to scrape and clean the inner wall of the smelting furnace, so that the structure can automatically and efficiently clean the inner wall of the smelting furnace in all directions; by means of the technical scheme, residues attached to the inner wall of the smelting furnace are thoroughly removed, interference of the residues on heat transfer and influence of the residues on the smelting space are avoided, and therefore aluminum ash can be heated and react more evenly in the smelting furnace, and the smelting quality of the aluminum ash is greatly improved.

The invention relates to a preparation method of an Al-Mn series aluminum alloy flat cast ingot for a power battery shell, in particular to the preparation method of the Al-Mn series aluminum alloy flat cast ingot for the power battery shell. The invention aims to solve the problems of low performance, poor processing stability and poor surface quality of plates and strips produced by the Al-Mn series aluminum alloy flat cast ingot for the power battery shell manufactured by the existing method. Ar gas is adopted to refine and purify the melt, and the melt is purified outside the furnace; a double-rotor degassing device and a 30 + 50ppi double-stage ceramic filter are adopted, so that the content of gas and inclusions in a cast ingot is reduced, and the melt quality is improved; a double-row pulse water cooling technology is adopted, the cooling strength is reduced in the casting starting stage, ingot casting stress is reduced, and the ingot casting forming rate is increased. The method is applied to preparation of the Al-Mn series aluminum alloy flat cast ingot for the power battery shell.

A large-size flat ingot of an Al-Mg-Mn-Zr-Sc series deformed aluminum alloy with a Mg content of 4.4% and a manufacturing method thereof, wherein the Mg content in the main elements of the ingot is as high as 4.4%, and the ingot is cast at high temperature. Manufacturing method: batching and smelting, smelting pure ingots, pure magnesium ingots, aluminum-manganese master alloys, aluminum-scandium master alloys, aluminum-zirconium master alloys, aluminum-titanium master alloys, and aluminum-beryllium master alloys to obtain a melt, adding a covering agent after heating, and then refining with Ar-Cl2 gas, and finally casting. Compared with the general Al-Mg-Mn-Zr-Sc series deformed aluminum alloy, the present invention greatly reduces the Mg element content and increases the thickness of the ingot, so that the tendency of pores, slag inclusions, and cracking to be generated during the production of the ingot increases, and the casting temperature is increased and the casting speed is reduced to improve the quality of the ingot. The present invention adopts the existing smelting and batching process and reduces the generation of ingot quality defects by improving the process during the casting process, and the ingot yield rate reaches 94%.

This utility model relates to a hydrogen peroxide quartz lamp burner, belonging to the field of quartz product manufacturing equipment. The burner consists of five parts: a lamp cover, a lamp holder, an oxygen pipe, a hydrogen pipe, and a feeding pipe. The main feeding pipe is divided into four branch feeding pipes, which are evenly distributed circumferentially through the lamp cover and extend into the central interlayer formed by the fusion of the lamp cover and the lamp holder, forming a feeding channel. Quartz powder can slide along the surface of the interlayer to the molten pool for easy melting. Three oxygen pipes and two hydrogen pipes are connected to the outside of the lamp cover, and the hydrogen and oxygen are separated by the lamp holder to prevent them from mixing and exploding inside the quartz lamp. The two hydrogen pipes are fused to the lamp cover and connect to the central interlayer; the three oxygen pipes penetrate the lamp cover and are fused to the lamp holder. A sieve plate is placed inside the lamp holder, and at its lower part, wick tubes of different levels, each with the same focal point, are obliquely welded in a ring array, guiding the flow of the mixed gas to ensure complete combustion, increasing the burner's operating temperature, and thus improving the quality of silicon dioxide melting.

This utility model relates to the technical field of batching pretreatment devices, and discloses a batching pretreatment device for industrial silicon production, including a mounting frame, a raw material processing mechanism, a raw material weighing and feeding mechanism, a material conveying mechanism, and a material stirring mechanism; the raw material processing mechanism includes a feeding channel, a first material gate assembly, a material crushing chamber, a support frame, a material crushing motor, crushing blades, a vertical displacement assembly, and a material screen. By setting multiple raw material processing mechanisms, different particle sizes of various materials can be screened, meeting the precise requirements for different raw material particle sizes in industrial silicon production; it can crush lumpy raw materials, allowing the raw material particles to pass through the set screen; the vertical displacement assembly drives the material screen to move up and down, which can effectively lift the large particles of raw material accumulated on the screen surface, avoiding screen blockage or re-crushing with the crushing blades, eliminating the need for regular manual cleaning, improving screening efficiency, reducing downtime, and lowering operating costs.

The utility model discloses a sand steel ladle mouth castable mold structure which comprises a mounting plate, the upper surface of the mounting plate is fixedly connected with a group of supporting rods, the top ends of the group of supporting rods are jointly and fixedly connected with a smelting box, and two sealing bearings are fixedly embedded in the inner side wall of the smelting box. The device is provided with a heating plate, a sealing bearing, a stirring rod and a rotating motor, sand steel to be melted can be conveniently melted by utilizing the heating capacity of the heating plate, and the stirring rod can be conveniently driven to stir the sand steel in cooperation with rotation of the rotating motor, so that the melting quality is better; in addition, a rotating motor, a pressure bearing, a lead screw, a connecting plate and vibration equipment are combined, the lead screw can be conveniently driven to rotate through rotation of the rotating motor, and the connecting plate and the vibration equipment can be conveniently driven to descend through threaded connection of the lead screw and the connecting plate; and in addition, the molten iron ladle solution can be conveniently vibrated by using vibration equipment to increase the density during forming of the molten iron ladle solution.

The invention belongs to the technical field of preparation of non-ferrous metal materials, and particularly relates to a medium-frequency smelting method for an extrusion ingot for reducing black lines of anodized aluminum. The method comprises the following steps: mixing various components of an aluminum alloy, then smelting at 720-750°C, placing the smelted aluminum alloy in a medium-frequency furnace for refining, wherein the refining comprises refining agent refining and argon refining; the refining agent refining comprises the following steps: adding a refining agent to the smelted aluminum alloy, wherein the medium gas is argon gas, heating the medium-frequency furnace for a period of time, closing the medium-frequency furnace, and standing for a total of at least 10 minutes, and then slagging; after the argon refining is completed, standing for at least 5 minutes, and then slagging; the method can reduce the hydrogen content, improve the effect of the aluminum alloy after anodizing treatment, and especially reduce the phenomenon of black lines of anodized aluminum.

The invention discloses a high-quality sleeve fused optical fiber bundle preparation device, including an operating platform, a vertical bracket is arranged on the operating platform, a lifting motor and a rotating motor are arranged on the top of the vertical bracket, a lifting screw assembly connected to the lifting motor is arranged on the surface, the rotating motor is connected to one end of the hexagonal column, and the other end of the hexagonal column is connected to the vertical bracket through an end plate, a lifting platform is arranged on the screw lifting assembly, a lifting base is arranged on the lifting platform, a driving pulley and a driven pulley are arranged on the lifting base, bearings are arranged between the driving pulley and the lifting base and between the driven pulley and the lifting base, the driving pulley is sleeved on the hexagonal column through an internally arranged hexagonal inner cavity, a drill clamp is also arranged below the driven pulley, and the driven pulley and the drill clamp rotate synchronously and are arranged through; a matching preparation method is also disclosed. The invention has a simple structure and can efficiently assist in the production of optical fiber bundles.

This invention relates to the field of metal smelting technology, specifically to an alloy melting furnace for machining mechanical parts, comprising: a base; and a crushing mechanism. The crushing mechanism includes a crushing box fixedly connected to the upper surface of the base. Inside the crushing box, from top to bottom, are arranged multiple crushing rods, a preheating component, and a rotating component. On opposite sides of the crushing box, symmetrically arranged are a pushing component and a connecting pipe. A first motor driving the rotating component is located on the side of the crushing box. Through the crushing rods, preheating component, rotating component, and pushing component in the crushing mechanism, simple crushing and preheating of the alloy before it enters the melting furnace can be achieved. The pushing component ensures that the preheated alloy can smoothly enter the melting furnace, thereby achieving crushing and preheating of the alloy before it enters the melting furnace, thus improving melting quality, reducing energy consumption, and increasing overall processing efficiency.

The invention relates to the technical field of crushing equipment, and particularly discloses a rubber asphalt preparation device which comprises a preparation cylinder with an inlet and an outlet, a heating plate arranged at the bottom in the preparation cylinder, and a preparation mechanism arranged in the preparation cylinder, the preparation mechanism comprises a rotating shaft, a screening plate, a discharging disc, a plurality of cutters arranged in the circumferential direction of the rotating shaft at equal intervals, a through hole formed in the discharging disc and a driving assembly used for driving the rotating shaft to rotate. The rotating shaft is rotationally connected with the preparation cylinder; the screening plate is connected with the preparation cylinder; the discharging disc is fixedly connected with the rotating shaft, located below the screening plate and attached to the screening plate. The cutter is fixedly connected with the rotating shaft and located above the screening plate. The problem that rubber asphalt cannot be quantitatively discharged through an existing preparation device is solved.

The invention relates to a refractory high-activity multi-element complex alloy suspension induction smelting suction casting device and method, and aims to improve the alloy smelting and casting efficiency and quality. The device comprises a casting controller, a temperature controller, an ultrasonic controller and other modules, and the melting condition of raw materials in a smelting crucible and the filling condition in a mold are monitored in real time through an ultrasonic probe. And feature extraction and state classification are performed on the ultrasonic signals by using a deep learning model, so that optimal control of the casting process is realized. The method comprises the steps of smelting starting, ultrasonic detection preparation, data acquisition and preprocessing, feature extraction, deep learning model analysis, alloy filling, mold ultrasonic detection, state judgment and adjustment and the like. By accurately controlling the flow of the inert gas and maintaining the protective atmosphere, alloy oxidation is effectively prevented, the smelting quality is improved, it is ensured that alloy components are uniform, the quality and consistency of castings are improved, the production cost is reduced, and the production efficiency is improved.

The utility model relates to polyester chip processing technical field, concretely relates to a polyester chip melting device, including melting jar, material guiding valve, discharge valve, stock bin, feeding assembly and cleaning component, cleaning component includes first filter screen, seal cover, pipe seat, electric valve, air suction fan, connecting pipe, collecting pipe, second filter screen, stirring component, heating component and mixing component, first raw materials are put into the stock bin during processing, then open stirring component, and stirring component stirs raw materials, and the dust and small impurities in polyester chip are separated from polyester chip in the stirring process, and simultaneously start air suction fan, and the dust and small impurities are sucked into collecting pipe through the mesh hole cooperation of first filter screen by air suction fan work, then, after opening material guiding valve, raw materials directly fall into melting jar and carry out melting processing, and do not contact with the outside, thereby can greatly guarantee the purity of raw materials after melting, and can effectively improve product melting quality.

The application is suitable for the technical field of batteries, and particularly relates to an aluminum foil for sodium ion batteries and a production method thereof. The production method comprises the following steps: according to the percentage of the raw material formula, a blank is prepared by using a casting rolling mill through a casting rolling rolling method to obtain a casting rolling blank; wherein the components and mass percentage of the raw material formula are as follows: Si < 0.05%, Fe < 0.35%, Ti = 0.02-0.025%, Al = 99.80-99.85%; the element Ti is configured through an AlTi10 intermediate alloy and an aluminum titanium boron wire; S2, the casting rolling blank is subjected to cold rolling treatment to obtain a cold rolling strip with a thickness of 0.18-0.30 mm; S3, the cold rolling strip is subjected to foil rolling through a foil rolling mill to obtain an aluminum foil with a thickness of 8-10 microns. Compared with the prior art, the aluminum foil produced through the above steps has a thickness of 8-10 microns and a tensile strength of 290-300 MPa, and mass production of the aluminum foil is realized.

The application discloses a composite crucible for smelting aluminum-lithium alloy and a preparation method thereof. The composite crucible is composed of an outer heat-resistant cast steel layer, a middle carbon fiber felt layer and an inner silicon carbide ceramic layer. The heat-resistant cast steel is one of ZG40Cr24Si2, ZG50Cr28Ni48W5 and ZG35Cr24Ni7NRE. The middle layer is a carbon fiber felt with a porosity of 30-70% prepared from mesophase pitch-based carbon fibers. The silicon carbide ceramic layer is composed of 85-90% silicon carbide, 5-8% SiO2 and 2-10% mullite. The preparation process of the crucible is simple. The main body of the crucible does not react with lithium, thereby ensuring the quality of the melt. The multi-layer structure makes it easier to replace and repair the damaged crucible, thereby prolonging the service life of the crucible. Meanwhile, the crucible is convenient to transfer and will not crack during the smelting process.