38results about How to "Improve refining effect" patented technology

The invention discloses a video super-resolution method and system, electronic equipment and a storage medium, and the method comprises the steps: building a video super-resolution model in a complex motion scene, and training and testing the model, the model comprises a feature extraction sub-module, a cross-frame alignment sub-module, a feature enhancement sub-module and an up-sampling reconstruction sub-module, the feature extraction sub-module is used for extracting shallow features of input continuous video frames; the cross-frame alignment sub-module performs feature level alignment on different frames by using deformable convolution to realize cross-frame spatio-temporal information fusion and motion compensation; the feature enhancement sub-module is used for enhancing the features; and the up-sampling reconstruction sub-module amplifies the resolution of the enhanced features output by the feature enhancement sub-module, and reconstructs the enhanced features after resolution amplification into video frames. According to the invention, the super-resolution effect of the video in the complex motion scene is improved, and the quality and visual effect of the video are enhanced.

The invention relates to a butterfly valve steel ladle bottom argon blowing refining device and a using method thereof.The butterfly valve steel ladle bottom argon blowing refining device comprises a support and a molten steel containing component arranged on the support, and the molten steel containing component comprises a steel ladle barrel arranged on the support and a ladle wall brick arranged in the steel ladle barrel; a center air brick is embedded in the center of the ladle wall brick, a plurality of eccentric air bricks are arranged at the eccentric position of the ladle wall brick at equal intervals along the circumference, and air guide holes corresponding to the center air brick and the eccentric air bricks are formed in the bottom of the steel ladle cylinder. Finally, during working, the device integrates the eccentric argon blowing function and the central argon blowing function, the refining effect on molten steel can be effectively improved, and reliable guarantee is provided for the performance of a final butterfly valve finished product.

The invention is applicable to the technical field of metal smelting, and particularly relates to an electrolytic copper anode slime refining management and control method and equipment, and the method comprises the following steps: obtaining refining instruction information of anode slime in a refining workshop; based on the refining instruction information, area judgment is conducted before anode slime refining, and a refining area is obtained; based on the refining instruction information and the refining area, safety condition judgment is conducted before anode slime refining, and area safety information is obtained; based on the refining instruction information, the refining area and the area safety information, refining condition judgment is conducted before the anode slime is refined, and refining demand information is obtained; and controlling a refining management and control device to perform refining management and control on the anode slime according to the refining area, the area safety information and the refining demand information. According to the electrolytic copper anode slime refining control method provided by the invention, the safety of an operation area is improved, the precision of refining parameters is improved, and possible injuries to technicians and influences on other objects during working are reduced.

The invention discloses a preparation method of high-purity mannitin-5-nicotinate, which comprises the following steps: mixing mannitin-6-nicotinate with a first solvent, heating and stirring until the mixture is fully dispersed, then adding organic alkali, and carrying out heat preservation reflux reaction at 40-45 DEG C for 3-4 hours to obtain a primary mixed solution; adding an acid into the primary mixed solution to adjust the pH value to 5-6, then stopping adding the acid, raising the temperature to 65-70 DEG C, carrying out atmospheric distillation treatment, and after full distillation, cooling and washing to obtain a mannityl pentanicotinate crude product; and mixing the mannityl pentanicotinate crude product with a second solvent, and sequentially carrying out pulping refining, cooling crystallization and solid-liquid separation to obtain the high-purity mannityl pentanicotinate. According to the method, mannitol hexanicotinate is used as a raw material, the mannitol hexanicotinate and the organic base are hydrolyzed in the mixed solvent of methyl alcohol and methyl chloride to obtain the mannitol pentanicotinate crude product, the reaction selectivity is high, few by-products are produced, the purity is high, the yield is high, the method can be effectively used for mannitol hexanicotinate quality control, and the accuracy of the detection method is improved.

The invention relates to the technical field of coating preparation, and particularly discloses a long-acting anti-corrosion alloy coating formula and a preparation method thereof. The raw material is composed of a component A and a component B, wherein the component A comprises 30-50 parts of polyurethane, 20-40 parts of aluminum-zinc alloy powder, 5-7 parts of titanium dioxide, 6-8 parts of talcum powder, 1-3 parts of a defoaming agent, 1-3 parts of a thickening agent and 20-40 parts of water; the component B is a curing agent; the preparation method of the long-acting anti-corrosion alloy coating comprises the following steps: S1, stirring and mixing polyurethane, aluminum-zinc alloy powder, titanium dioxide, talcum powder, a defoaming agent, a thickening agent and water, and grinding to obtain a mixture; and S2, adding a curing agent into the mixture, stirring and mixing, centrifugally filtering, and grinding to obtain the anti-corrosion alloy coating. By designing the raw materials and the proportion, the prepared anti-corrosion alloy coating has relatively high corrosion resistance, wear resistance and excellent metal substrate adhesive force, and long-acting corrosion resistance can be realized.

The invention relates to the field of medical diagnosis imaging, in particular to a crystallization method and application of a fluorescent-magnetic resonance bimodal contrast agent intermediate. The structural formula of the fluorescent-magnetic resonance bimodal contrast agent intermediate is as shown in formula I. The crystallization method of the intermediate comprises the following steps: adding an alcohol solvent and water into a fluorescent-magnetic resonance bimodal contrast agent intermediate crude product, heating, stirring and dissolving, then adding a nitrile solvent, cooling to room temperature, filtering and drying to obtain the fluorescent-magnetic resonance bimodal contrast agent intermediate. Stirring, separating out, filtering and drying to obtain the refined fluorescent-magnetic resonance bimodal contrast agent intermediate. The crystallization method has a good refining effect and meets the industrial production requirements. # imgabs0 #

The invention relates to a rare earth zinc-aluminum alloy wire and a production method thereof, and belongs to the technical field of zinc-aluminum alloy wires, and the production method comprises the following steps: melting raw materials, casting into a round ingot, extruding into a thick wire, carrying out solution treatment, aging treatment and annealing treatment, and finally drawing to prepare an alloy wire intermediate; the preparation method comprises the following steps: mixing polyol, isocyanate, alloy powder, a reinforcing material, an antioxidant, an adhesion promoter, a catalyst and a filler, and reacting to finally obtain the anticorrosive coating. The surface of the alloy wire intermediate is coated with the anti-corrosion coating in a blade mode, then drying is conducted, and the rare earth zinc-aluminum alloy wire is obtained; according to the technical scheme, lanthanum oxide is modified through nano-particles, then the silane coupling agent is grafted, a reinforcing material is prepared, and the corrosion resistance and wear resistance of the coating are improved; the zirconium-based amorphous alloy and the titanium-based amorphous alloy are mixed and screened to obtain alloy powder, so that the corrosion resistance and the mechanical performance of the coating are further improved, and the comprehensive performance of the rare earth zinc-aluminum alloy wire is generally improved.

This utility model relates to the field of edible oil production technology, specifically to a high-efficiency refining and extraction device for edible oil. To address the technical problem of unagglomerated impurities floating in the solution, which do not settle and are difficult to separate, thus affecting refining quality, the device includes: a refining tank, a chute, a slider, a first semi-circular filter plate, a second semi-circular filter plate, a hydraulic cylinder, a cover plate, a semi-circular plate, a conveying shaft, a spiral blade, and a waste removal mechanism. Crude oil undergoes initial filtration through the first semi-circular filter plate. The initially filtered impurities are conveyed to the waste removal mechanism by the upper spiral blade. An electrolyte aqueous solution is added to the crude oil. After sedimentation, the second semi-circular filter plate slides down and engages with the first semi-circular plate. Impurities floating in the aqueous solution are filtered out and adhere to the second semi-circular filter plate. The lower spiral blade scrapes off the sediment on the first semi-circular filter plate and the impurities on the second semi-circular filter plate, conveying them to the waste removal mechanism to complete the impurity removal. This achieves the filtration of large particulate impurities, unprecipitated impurities, and precipitated impurities, resulting in excellent refining performance.

The utility model discloses a refining device for steel casting production, which relates to the technical field of steel casting production and processing and comprises a bottom plate, a refining box, a moving mechanism arranged on the bottom plate, a fixing mechanism arranged on the bottom plate, a supporting column, a rotating mechanism arranged on the supporting column and a lifting mechanism arranged on the rotating mechanism. The starting mechanism, the first stirring roller, the fixing rod, the L-shaped scraping plate and the second stirring roller are arranged on the lifting mechanism; through cooperation of a starting mechanism, a first stirring roller, a fixing rod, an L-shaped scraping plate and a second stirring roller, the first stirring roller and the second stirring roller are driven to rotate, molten steel is fully stirred, the molten steel is evenly mixed, the temperature difference between the molten steel is reduced, heating is even, and the refining effect is improved; and through cooperation of the rotating mechanism and the lifting mechanism, the first stirring roller, the fixing rod, the L-shaped scraping plate and the second stirring roller are driven to move out of the refining box, and cleaning by a user is facilitated.

The invention relates to the field of refining agent preparation, and discloses a preparation method of a refining agent for smelting an aluminum alloy profile, and the refining agent for smelting comprises magnesium carbonate, potassium carbonate, magnesium fluoride, aluminum fluoride, an additive, potassium fluosilicate and potassium fluoroaluminate. The preparation method comprises the following steps: mixing the components, drying and dehydrating, molding by a press, crushing and granulating, and performing multi-stage screening to obtain the refining agent for smelting. The additive is formed by mixing calcium nitride and modified silicon nitride according to the mass ratio of 1: (1-2); the modified silicon nitride is prepared by grafting silicon tetrachloride with cerium chloride, magnesium chloride and n-propylamine, generating silicon nitride in situ in a pyrolysis process, carrying out spark plasma sintering to obtain silicon nitride ceramic, and coating the surface of the silicon nitride ceramic with aluminum powder by taking sodium water glass as an adhesive. And impurities and oxide layers in the aluminum alloy can be effectively removed, and the quality and purity of the aluminum alloy are improved.

The utility model discloses a metal silicon semi-finished product oxygen introduction refining device, which comprises a refining tank and a filter box, a plurality of connecting pipes are inserted at equal intervals on one side of the refining tank and on the outer side of each connecting hole, a gas guide pipe is fixedly arranged at one end of each connecting pipe, and a first sealing valve is rotatably arranged on one side of the outer wall of each gas guide pipe. A plurality of supporting discs are fixedly arranged in the refining tank at equal intervals, a through groove is formed in the top end of each supporting disc, a stirring impeller is rotationally arranged on the inner wall of each through groove, and an arc-shaped guide pipe is arranged between every two supporting discs. According to the utility model, a silicon solution is supported by the supporting disc and then flows down through the through groove, the stirring impeller is rotated to stir and flap the silicon solution when the silicon solution passes through the through groove, so that the silicon solution is in full contact with oxygen, and meanwhile, the staying time of the metal silicon solution in the refining tank is prolonged under the buffering type flow guide of the arc-shaped guide pipe, so that the metal silicon solution can be in contact reaction with the oxygen for a longer time; the refining effect of the device is improved.

The utility model relates to a stirring pump for refining, which comprises a high temperature resistant motor, a stirring pump and a refining breather pipe, the stirring pump comprises a pump body and a rotating shaft, the pump body comprises an upper pump body and a lower pump body which are connected through a pump flange, the upper pump body is fixed with the motor, the lower end of the lower pump body is provided with a pump cylinder, and a pump impeller is arranged in the pump cylinder. According to the alloy liquid stirring device disclosed by the utility model, alloy liquid under the liquid level is ensured to be fully stirred, and the suspension and retention time of a refining agent in the alloy liquid can be maintained for a longer time, so that inclusions can be fully contacted with the refining agent, and the refining effect is good.

The utility model relates to a silicon water refining system, and relates to the field of silicon smelting, the silicon water refining system comprises a ladle used for containing silicon water and a temperature sensor used for monitoring the internal temperature of the silicon water in the ladle, and the temperature sensor is located in an inner cavity of the ladle and can be covered by the silicon water in the ladle; the device further comprises a controller, a weighing device and an electric valve. The controller is used for receiving a temperature signal monitored by the temperature sensor and a mass signal monitored by the weighing device and sending a corresponding control signal to the electric valve. The temperature sensor is used for measuring the temperature in the silicon water, the effect of improving silicon water refining is achieved, and the product quality is improved.

The invention discloses a method for refining lacosamide, which comprises the following specific steps: dissolving a lacosamide crude product in a good solvent, then adding into an inert solvent, cooling the system to a certain temperature, stirring for crystallization, stirring for 2-3 hours, and filtering to obtain a lacosamide refined product, wherein the mass volume ratio of the crude product to the good solvent to the inert solvent is 1g: (4-6) mL: (9-24) mL, the good solvent is dichloromethane, and the inert solvent is methyl tert-butyl ether. The crystallization refining of lacosamide is realized by adopting an anti-solvent method, the refining effect is good, the isomer clearance rate is high, the operation is simple, and the method is particularly suitable for industrial production.

The utility model relates to the technical field of body paper processing, and discloses a body paper pulping machine with a good pulping effect, which comprises a base, one side of the base is fixedly connected with a sliding mounting frame, the upper surface of the base is fixedly connected with a supporting base, a pulping cylinder is movably inserted in the supporting base, one side of the sliding mounting frame is provided with a sliding groove, and the sliding groove is provided with a sliding groove. A threaded rod is movably inserted into the upper surface of the sliding mounting frame, the lower end of the threaded rod extends into the sliding groove and is movably inserted into the bottom of the inner wall of the sliding groove, a sliding block is in threaded connection to the threaded rod, a connecting block is fixedly connected to the side, close to the pulping cylinder, of the sliding block, and a driving device is fixedly connected to the connecting block; according to the raw paper pulping device, fibers of raw paper can be loosen and broomed, the pulping efficiency is improved, the roughness of the surface of the raw paper is effectively reduced, the surface of a paper product is smoother, and the quality of the paper product is improved.

The invention discloses an aluminum alloy for preparing a train built-in bogie traction rod and a preparation method of the aluminum alloy, and belongs to the technical field of metal material preparation. The preparation method of the aluminum alloy comprises the following steps: (1) respectively heating and melting intermediate alloys such as pure Al, Al-Zn and Al-Mg, and then mixing and stirring to obtain an alloy melt; (2) introducing mixed inert gas and a refining agent from the bottom of the alloy melt, then continuously introducing the inert gas, and removing surface scum; (3) degassing the alloy melt treated in the step (2), and sintering in a pulsed magnetic field environment; and (4) after sintering is finished, cooling is conducted, plasma treatment is adopted in the cooling process, then casting is conducted after continuous cooling, and the aluminum alloy casting blank is obtained. Through the constructed preparation method, the defects in the alloy can be effectively reduced, the diffusion effect of atoms in the alloy is promoted, the phenomenon of uneven distribution of structures in the alloy is improved, and the service performance of the alloy is improved.

The invention discloses a medium-frequency induction heating metal refining control system, and belongs to the technical field of metal refining, the medium-frequency induction heating metal refining control system is provided with a crucible, the crucible can be sealed, an air injection assembly is arranged at the bottom end of the crucible, an induction coil is arranged on the outer surface of the crucible, and metal powder in the crucible is directly heated through the electromagnetic effect of current; the gas injection assembly can introduce inert gas into the crucible to prevent the surface of the metal liquid from being oxidized, an automatic metal impurity fishing structure is further arranged in the crucible, impurities in the refined metal liquid are fished out of the crucible through the fishing structure, labor is saved, production accidents are reduced, the heating time is shortened, and the metal refining effect is improved.

This invention proposes an aniline refining system, including a dehydration mechanism and a distillation mechanism. The discharge pipe of the crude aniline tank in the dehydration mechanism is connected to the cold-side inlet of the first condenser of the distillation column via a dehydration tower feed pump, a dehydration flow meter, and a dehydration regulating valve group. The cold-side outlet of the first condenser is connected to the feed inlet at the top of the aniline dehydration tower. The discharge outlet at the top of the aniline dehydration tower is connected to the first condenser. The condensate outlet of the first condenser is connected to the second condenser. The outlet of the second condenser is connected to the upper liquid inlet of the aniline water stripping tower. This invention allows for multiple impurity removal and purification of crude aniline, improving the refining effect and reducing energy consumption.

The utility model discloses an external electromagnetic stirring device for electroslag remelting, which comprises an external magnetic field generating device which comprises a shell, a rotating magnetic field generating device, a traveling wave magnetic field generating device and a temperature measuring device, the temperature measuring assemblies correspond to the upper-layer magnetic field generating mechanism, the middle-layer magnetic field generating mechanism and the lower-layer magnetic field generating mechanism and measure the temperature of the magnetic field generating mechanism of the corresponding layer; the control panel is arranged outside the shell and used for controlling start and stop of the movable clamping device, the external magnetic field generating device and the temperature measuring assembly and displaying related data; due to the implementation of the stirring device, the refining effect of the electroslag remelting device on special steel can be effectively improved, high-quality special steel can be obtained under the condition that vacuum self-consumption and atmosphere protection of an electroslag furnace are not adopted, and possibility is provided for manufacturing of high-end mechanical equipment.

The invention discloses a spiral stirring blade, a stirring device and a magnesium alloy melt refining device and method. The spiral stirring blade is of a single-spiral structure, the screw pitch, the width and the diameter of the spiral stirring blade are equal, the width is 1 / 4 of the screw pitch, and the spiral angle of the spiral stirring blade is 110 degrees. According to the magnesium alloy melt refining method provided by the embodiment of the invention, the refining time is shortened by more than 30% compared with that of a traditional refiner, the refining effect is good, and the inclusion content reaches the first level of aviation standard.

The utility model relates to the technical field of lubricating oil processing, and discloses ester lubricating oil base oil refining equipment which comprises a refining box, two supporting columns are fixedly installed at the top of the refining box, an installation box is fixedly installed between the tops of the two supporting columns, the top of the installation box is communicated with an oil inlet pipe, and the oil inlet pipe is communicated with an oil outlet pipe. A filter box is slidably connected to the inner side of the mounting box, a mounting hole is formed in the bottom of the filter box, a filter screen is fixedly mounted on the inner side wall of the mounting hole, the bottom of the mounting box communicates with a three-way pipe, an electromagnetic valve is fixedly mounted on the outer side of the three-way pipe, and a mounting plate is fixedly mounted on the inner side wall of the refining box. According to the ester lubricating oil base oil refining equipment, the stirring rod can continuously rotate up and down, so that base oil in the refining box is stirred, it is guaranteed that heating wires evenly heat the base oil, and then the refining effect of the base oil is improved.

The invention discloses a scouring agent and a preparation method and application thereof. The scouring agent specifically comprises the following components by weight: 15-20 parts of secondary alkyl sodium sulfonate, 3-5 parts of emulsifier, 10-15 parts of alkyl glycoside, 3-5 parts of alcohol ether carboxylate, 3-5 parts of magnesium chloride, 3-5 parts of sodium gluconate, 18-20 parts of organic solvent, and 25-45 parts of water. The preparation method comprises: mixing secondary alkyl sodium sulfonate, emulsifier, alkyl glycoside, alcohol ether carboxylate, magnesium chloride, sodium gluconate and organic solvent by weight to obtain a mixture; adding water to the mixture to a total weight of 100 parts, compounding, and obtaining a scouring agent. The scouring agent obtained by the formula and preparation method of the invention is a phosphorus-free and environmentally friendly scouring agent, which can achieve the stability of textiles in a continuous processing process, and can avoid the occurrence of holes in textiles and the occurrence of textiles being stained after wax precipitation.

The present invention relates to a metallurgical furnace with aluminum refining function and a refining method, the metallurgical furnace comprises a furnace body, the furnace body has an inner cavity for retaining aluminum liquid, the furnace body is provided with a furnace eye connected with the inner cavity; the inner cavity has a first bottom surface and a second bottom surface adjacent to the first bottom surface, the first bottom surface is parallel to the horizontal plane, the second bottom surface is annular, and the cross-sectional area of ​​the space surrounded by the second bottom surface gradually decreases from top to bottom; a plurality of first porous bricks and a plurality of second porous bricks are provided in the wall of the furnace body, the top surface of the first porous brick is connected with the first bottom surface, the bottom of the first porous brick is connected with a first gas distribution pipe, the top surface of the second porous brick is connected with the second bottom surface, the bottom of the second porous brick is connected with a second gas distribution pipe, and the first porous brick and the second porous brick are both located between the central axis of the furnace body and the furnace eye. The present invention has the advantages of low operating cost, good refining effect, high utilization rate of refining medium, etc.

The utility model discloses an oily tofu residue and pulp separating device, which comprises a pulping machine, a material uniformizing assembly and a water removing assembly, the pulping machine comprises a hopper movably arranged at the upper end of the pulping machine, and the material uniformizing assembly comprises a blanking cone fixedly arranged in the hopper. According to the oily soybean curb residue and pulp separating device, the rotating disc is installed at the bottom of the discharging cone in the hopper and the water injection pipe is installed on one side of the bottom of the rotating disc, under transmission and driving of the motor and the water pump, soybeans and water in the hopper can be evenly discharged in a matching mode, and therefore the pulping effect in the use process of a pulping machine is improved; the soybean and water are automatically proportioned and discharged, the convenience of the pulping machine in use can be improved, the feeding box is installed on one side of the upper end of the hopper, and residual water at the upper end of the fed soybean in the hopper can be filtered and removed through the filter plate obliquely installed in the feeding box, so that the soybean pulping machine is more convenient to use. Therefore, the problem of non-uniform water filling caused by residual water in the soybeans is avoided.

The application discloses an oxidation stability reaction kettle for edible oil refining, which comprises a double-layer reaction kettle body, an electric heating plate arranged in the interlayer of the reaction kettle body, and a filter screen detachably arranged in a crude oil inlet pipe. During use, the electric heating plate can ensure the reaction temperature in the reaction kettle body, the crude oil can enter the reaction kettle body through the crude oil inlet pipe, and the impurities in the crude oil can be filtered through the filter screen, so that the functional diversity of the reaction kettle is improved. The auxiliary materials can be added into the reaction kettle body through an auxiliary material inlet pipe, a plurality of stirring rods are fixed to a stirring shaft, and the stirring rods in the same layer are fixed with a scraper at one end. The starting driving motor can drive the stirring shaft and the stirring rods to rotate, so that the materials in the reaction kettle body are stirred and uniformly mixed, the reaction is uniformly promoted, the refining effect is improved, the grease on the inner wall of the reaction kettle can be scraped off through the scraper, the service life of the reaction kettle is prolonged, and the edible oil can be discharged through a discharge pipe after the refining is completed.

The invention relates to a deep clean smelting process for preparing high-purity aluminum, and aims to improve the purity of molten aluminum through multi-step purification and refining treatment. The process comprises the key steps of aluminum ingot selection and pretreatment, smelting, refining, degassing, filtering, stirring, casting and the like. According to the method, coarse slag inclusion is removed by adopting an immersed closed structure, a high-purity graphite crucible is used, high-purity argon is introduced for protection, and a mixed refining agent of AlCl3 and NaCl is used for refining for multiple times, so that the content of impurities in molten aluminum can be remarkably reduced. And further, through ceramic filtration, rotary jet degassing and electromagnetic stirring, it is ensured that molten aluminum components are uniform and clean. The final product is smooth and flawless in surface after being polished and ultrasonically cleaned, and is suitable for the high-tech field with strict requirements on material purity. The process is simple and efficient, the preparation quality of the high-purity aluminum can be greatly improved, and the method has wide application prospects.

The utility model discloses a vacuum and rotary blowing composite efficient degassing device for aluminum alloy refining, which comprises a smelting container, a driving mechanism, two groups of stirring mechanisms, a vacuumizing mechanism and a gas supply mechanism, a closed smelting chamber is arranged in the smelting container, and the driving mechanism and the two groups of stirring mechanisms are arranged in the smelting chamber. The driving mechanism is simultaneously in transmission connection with the two groups of stirring mechanisms and drives the two groups of stirring mechanisms to reversely rotate around respective axes, the gas supply mechanism is connected with the stirring mechanisms and is used for inputting specified gas into the smelting chamber through the stirring mechanisms, and the vacuumizing mechanism is connected with the smelting container and is used for forming an air pressure difference in the smelting chamber. According to the vacuum and rotary blowing composite efficient degassing device for aluminum alloy refining, vacuumizing degassing and rotary blowing degassing are combined for combined degassing, the refining time is shortened by more than 30% compared with that of a traditional refiner, the refining effect is good, and the gas content can reach 0.08 ml / 100g or below.

The utility model discloses a preparation system for improving the dicyclopentadiene refining effect, and belongs to the technical field of chemical equipment systems. The device comprises a double-ring tower, a feeding pipeline is connected to the middle of the double-ring tower, a gas phase outlet at the upper end of the double-ring tower is connected with an upper inlet of a condenser, a lower liquid port of the condenser is connected with an inlet of a return tank, a gas phase outlet of the return tank is connected with a vacuum system, the vacuum system is connected with a torch system, and the torch system is connected with a gas outlet of the double-ring tower. An outlet in the bottom of the reflux tank is connected with an inlet of a reflux pump, one part of an outlet of the reflux pump is connected with the upper part of the double-ring tower for reflux, the other part of the outlet of the reflux pump is connected to a dicyclopentadiene external production system, the bottom of the double-ring tower is connected with the bottom of a reboiler, the top of the reboiler is connected with the lower part of the double-ring tower, and the top of the reboiler is connected with the upper part of the double-ring tower. The other path of the bottom of the double-ring tower is connected with an inlet of a tower kettle extraction pump, and an outlet of the tower kettle extraction pump is connected with a heavy component tank. According to the dicyclopentadiene refining device, the color number of dicyclopentadiene can be reduced, and the refining effect of dicyclopentadiene is improved.

The present application discloses a medium frequency induction heating metal refining control system, which belongs to the technical field of metal refining. The present application is provided with a crucible, which can be sealed, a jet assembly is provided at the bottom of the crucible, and an induction coil is provided on the outer surface of the crucible. The electromagnetic effect of the electric current is used to directly heat the metal powder in the crucible. The jet assembly can introduce inert gas into the crucible to prevent the surface of the metal liquid from being oxidized. The crucible is also provided with an automatic scooping structure for metal impurities. The impurities in the refined metal liquid are scooped out of the crucible through the scooping structure, which saves labor, reduces the occurrence of production accidents, shortens the heating time, and improves the metal refining effect.

The invention discloses a production process of a beryllium aluminum alloy with high beryllium content, which belongs to the technical field of beryllium-based aluminum alloy materials and comprises the following steps: S1, weighing the following raw materials in percentage by weight: 65-75% of beryllium, 2-3% of nickel, 1-2% of refining agent, 0.05-1% of silicon and the balance of aluminum and inevitable impurities; s2, an aluminum ingot is added into a vacuum melting furnace, the temperature is increased to 200-250 DEG C, preheating is conducted for 2-3 h, then the temperature is increased to 750-780 DEG C, heat preservation is conducted for 20 min, beryllium, nickel and silicon are added, the temperature is increased to 1450-1550 DEG C, vacuum melting is conducted, a melt is prepared, a refining agent is added, heat preservation and refining are conducted, and a mixed melt is prepared; and S3, the prepared mixed melt is cast in a mold and cooled, a beryllium-aluminum alloy blank is prepared and treated, and the beryllium-aluminum alloy with the high beryllium content is prepared. By adding the refining agent, the refining effect can be remarkably improved, and the beryllium-aluminum alloy is endowed with more excellent comprehensive performance.