30results about How to "Accurate ingredients" patented technology

The invention provides an aluminum-vanadium-niobium-chromium intermediate alloy as well as a preparation method and application thereof. The aluminum-vanadium-niobium-chromium intermediate alloy comprises the following components in percentage by mass: 15%-22% of V, 1%-7% of Nb, 5%-11% of Cr and the balance of Al and inevitable impurities. The preparation method of the aluminum-vanadium-niobium-chromium intermediate alloy comprises the following steps: firstly, respectively preparing three binary intermediate alloys, namely primary alloys, by utilizing an aluminothermic reduction method; then, the primary alloy is refined through vacuum induction melting, and a secondary alloy is obtained; and finally, the secondary alloy and metal aluminum are subjected to vacuum induction melting, and the aluminum-vanadium-niobium-chromium intermediate alloy is prepared. The aluminum-vanadium-niobium-chromium intermediate alloy has the advantages of being uniform in component, low in element segregation and low in impurity content, and has very good application prospects and large-scale industrial popularization potential in the field of titanium alloy production through the additive manufacturing technology.

The utility model discloses an antioxidant injection allocation mechanism which comprises a tank body, a stirring mechanism and a driving mechanism, according to the scheme, the injection allocation mechanism is designed, a mounting frame is additionally arranged in an upper cavity, the mounting frame is in butt joint with a batching box, assembling and forming are convenient, materials in the batching box enter a weighing box in a weighing mechanism through a discharging pipe, and after weighing, a driving motor drives the weighing box to rotate; the material distribution device has the advantages that the material distribution is accurate, the control is easy, and the efficiency is high.

The utility model relates to the technical field of crop processing, and discloses a rationing and feeding device for crop processing, which comprises a workbench, the lower end of the workbench is fixedly connected with supporting legs, the upper ends of the supporting legs are fixedly connected with a supporting plate, and the outer wall of the supporting plate is fixedly connected with a mounting plate. A metering scale is fixedly connected to the upper end of the mounting plate, a batching box is fixedly connected to the upper end of the metering scale, discharging devices are arranged in the batching box and on the outer wall of the batching box, a discharging hopper is fixedly connected to the side wall of the mounting plate, a discharging pipe is fixedly connected to the lower end of the discharging hopper, and a mixing tank is fixedly connected to the bottom end of the discharging pipe. A stirring mechanism is arranged in the mixing tank; the discharging device comprises a material pushing assembly which is arranged in the batching box. According to the material distributing and feeding device for crop processing, by arranging the discharging device, accurate material distributing and automatic discharging can be achieved, so that the material distributing speed is increased, and the material distributing progress is enhanced.

The invention discloses a fish premade dish containing high protein. The fish premade dish is prepared from the following raw materials in parts by weight: 50-80 parts of fresh fish, 20-30 parts of high-protein side dishes, 5-10 parts of edible oil, 10-20 parts of purified water, 3-5 parts of seasonings and 4-8 parts of medicated food bags. Fresh live fish is preprocessed, fish soup, fish heads and fish meat of different tastes can be obtained through simple cooking or heating within a short time, the eating taste of the fish meat is diversified, each part of the fish meat is made into a prefabricated form and is more and more welcomed, and especially in a big city with a fast pace of life, the method has a very good market prospect. According to the present invention, the cooking device is simple in structure and suitable for office workers with fast-paced life or people who are not good at cooking, the taste and the quality are stable, the cooking speed is rapid, the serving speed is rapid, the taste change caused by the cooking skill difference is avoided, the accurate material preparation and the accurate packaging are avoided, and the food material waste is reduced.

The utility model discloses an art paint batching device, and belongs to the technical field of art paint batching devices. Comprising a tank body, a plurality of batching barrels and a stirring mechanism, the tank body is composed of a top plate, a side plate of which the upper part is in threaded connection with the lower part of the top plate, and a bottom plate of which the upper part is in threaded connection with the lower part of the side plate; the corresponding upper connecting tables and lower connecting tables are connected through springs; by arranging the top plate, the side plate and the bottom plate which are in threaded connection, the tank body can be detached, so that the interior is convenient to clean, and by arranging the vibration motor and the spring, when powder art paint is placed in the batching barrel, the vibration motor can drive the batching barrel to vibrate, so that the surface of the powder art paint cannot be sunken when the powder art paint flows into the tank body; therefore, accurate burdening can be realized.

The utility model belongs to the field of fertilizer batching, in particular relates to a fertilizer production ground platform batching device, and provides the following scheme aiming at the problems that the existing device cannot realize high-position automatic accurate batching, so that the labor intensity of workers is high, the efficiency is low, the batching precision is difficult to guarantee, and the quality of fertilizer products is influenced. The device comprises a rack, a plurality of conveying belts and a storage box, a plurality of frames are fixedly arranged at the top of the rack, a plurality of funnels are fixedly arranged at the positions, located at the bottoms of the frames, of the rack, and the funnels are communicated with the frames; a stirring mechanism is arranged on the material storage box and is used for stirring and fusing various raw materials. Through the arrangement of the rack, the conveying belt and the storage box, a high-position batching mode is constructed, the labor force is effectively saved, the strength of manual carrying and mixing is reduced, meanwhile, the batching process is more accurate by virtue of stable operation and accurate control of the device, and the production efficiency and the product quality are improved.

The invention discloses vacuum coating equipment, a conductive film preparation method, a conductive film and a pole piece, the vacuum coating equipment comprises an equipment body, an evaporation component and a magnetron sputtering component, a vacuum cabin is arranged in the equipment body, and the vacuum cabin comprises a first cabin and a second cabin which are arranged in a separated mode; a membrane penetrating gap is formed in the side wall between the first cabin and the second cabin and is communicated with the first cabin and the second cabin; the evaporation component is mounted in the first cabin and is at least used for plating metal main body layers on the two opposite surfaces of the conductive film; and the magnetron sputtering assembly is mounted in the second cabin and is used for plating an isolating layer on the surface of the metal main body layer on one surface of the conductive film. The invention solves the problems of low plating efficiency and influence on the film forming quality of a copper film on a conductive film when the conductive film with an anti-sticking function is plated by adopting the existing film plating equipment.

The utility model relates to the technical field of color master batch processing, and discloses a color master batch processing and feeding device. The color master batch processing and feeding device comprises mounting frames, a storage barrel, a positioning frame, a material collecting box, a material blocking plate, a connecting rod and a guide plate, the storage barrel is arranged on the mounting frames, the mounting frames are fixedly connected to the left side and the right side of each mounting frame, the material collecting box is fixedly connected to the mounting frames, the material blocking plate is arranged on the material collecting box in a sliding mode, and the connecting rod is arranged on the material blocking plate. A connecting rod is fixedly connected to the top of the material blocking plate, two guide plates are installed on the material collecting box, the mounting disc is arranged at the top of the material storage barrel, the rotating disc is rotationally arranged on the mounting disc, the push rod is fixedly connected to the rotating disc, and the push rod can make contact with the connecting rod. The material collecting box is closed and opened by moving the material blocking plate up and down, so that intermittent discharging is achieved, the discharging amount of each time is accurately controlled, the purpose of accurate batching is achieved, and the quality of color master batches is improved.

The invention relates to a full-DP communication batching scale data acquisition and control method, and the method comprises the steps: carrying out the bidirectional data acquisition of the related parameters of a batching scale through a PLC (Programmable Logic Controller) by utilizing a field bus technology, such as the actual flow, given flow, stock bin value, speed, belt load, accumulation, frequency converter control value, operation, alarm, fault reset and other data; the discharging amount of the batching scale is accurately controlled by setting a flow value in a communication mode, the discharging amount of a dragging belt is accurately controlled by setting a stock bin value, the deviation value does not exceed + / -0.2%, and the accuracy state of the batching scale can be pre-judged on line through the load and speed of the belt. According to the DP communication of the method, the functions of the batching scale are realized to the greatest extent, PID parameters are accurately corrected, accurate batching of the batching system is realized, the cable laying amount is greatly reduced, the workload of maintenance personnel is reduced, the labor cost is reduced, the accuracy state of the batching scale is pre-judged on line, and the batching accuracy is improved.

The invention belongs to the field of alloys, and particularly discloses a manganese-titanium intermediate alloy and a preparation method and application thereof. The manganese-titanium intermediate alloy is prepared by adding sponge titanium step by step according to a specific proportion and carrying out vacuum induction melting. According to the preparation method of the manganese-titanium intermediate alloy and the titanium alloy, the situation that a large amount of Mn element is burnt out in the smelting process can be reduced, so that the component content consistency and uniformity of the manganese-titanium intermediate alloy, the titanium alloy and the like are improved, and the metallurgical quality of the smelted alloy is guaranteed; meanwhile, the method is simple and easy to implement, can be achieved through one-time smelting, does not need to make raw materials into electrode blocks in advance, reduces the process complexity degree and the production cost, and is environmentally friendly and suitable for being widely applied and popularized in the alloy field.

The utility model discloses an electric control batching system which comprises a raw material tank, a support frame fixedly sleeved on the outer wall of the raw material tank, a tank cover arranged on one side of the top end of the raw material tank, a material guide pipe arranged at the bottom end of the raw material tank, a weighing box arranged at the bottom end of the material guide pipe, connected with the support frame through an elastic connecting component, and communicated with the material guide pipe through a telescopic hose. And a plurality of uniformly distributed support plates I are arranged at the bottom end of the weighing box and located on the support frame. The device has the beneficial effects that blanking can be weighed by arranging an elastic connecting assembly, a weighing box and a weighing sensor, so that batching is more accurate, stable blanking of the raw material tank is prevented by arranging a material guiding assembly, and meanwhile, unsmooth blanking caused by blockage of the blanking end of the raw material tank by materials is prevented; raw materials in the raw material tank can be stirred by arranging stirring blades to prevent the raw materials from sticking together, and the raw materials are prevented from sticking to the inner wall of the raw material tank by arranging a tank wall cleaning assembly.

A lead-containing flue ash pretreatment device and method, wherein an acid mixer is fixedly placed in the middle of a pretreatment device box, a sulfuric acid temporary storage tank, a flue ash temporary storage tank, and a viscosity agent temporary storage tank are fixedly placed on a top base of the pretreatment device box; the sulfuric acid temporary storage tank is connected to the upper end of the acid mixer through a sulfuric acid discharging pipe; the flue ash temporary storage tank is connected to the upper end of the acid mixer through a flue ash discharging pipe; the viscosity agent temporary storage tank is connected to the upper end of the acid mixer through a viscosity agent discharging pipe; the acid mixer comprises a box and a stirrer arranged inside the box, a flue ash acid mixing stirring motor is installed below the acid mixer, an output shaft of the flue ash acid mixing stirring motor is connected to the stirrer center shaft of the stirrer, an acid mixer discharge port is further arranged on one side of the acid mixer, a pneumatic discharge valve matching the acid mixer discharge port is arranged at the acid mixer discharge port, and the outer side of the pneumatic discharge valve is connected to the output end of an air pressure pump; the purpose of energy saving and consumption reduction is achieved, and the smoke dust rate of the subsequent smelting process is reduced.

The present invention discloses an AGV overall fully intelligent batching control system, including a batching unit and a batching AGV trolley, wherein the batching unit is provided with a plurality of batching units, the batching unit includes a protective shell, a material flow control device and a controller are installed inside the protective shell, the material flow control device is connected to the controller, the output end of the material flow control device is connected to the discharge port, the discharge port is fixed on the protective shell, the controller is connected to the host computer control center by telecommunication, and the batching AGV trolley is connected to the host computer control center by telecommunication. The host computer control center of the system can control different batching units to automatically batch according to the settings, and the batching is accurate without human error; the system realizes the automation of batching and transportation, reduces labor costs, and improves production efficiency.

The application provides a rare earth-titanium-boron composite vacuum seal welding high-density cored wire and a preparation method thereof, and belongs to the technical field of metallurgical auxiliary materials. The preparation method comprises the following steps: weighing lanthanum-cerium rare earth alloy powder, titanium powder and boron powder for batching, and then uniformly mixing under a protective atmosphere to obtain mixed powder; filling the mixed powder into a low-carbon steel cylinder after pretreatment under a protective atmosphere, and then preliminarily sealing to obtain a composite blank; performing a reduction reaction on the composite blank in hydrogen, and then performing seal welding under a vacuum condition to obtain a composite blank after vacuum seal welding; heating the composite blank after vacuum seal welding, and then performing hot drawing to obtain the cored wire. The cored wire provided by the application realizes stable composite addition of rare earth, titanium and boron with high recovery rate, and significantly improves the structure and performance of 20Mn2 steel and the like, and solves the problems of cold heading cracking, insufficient toughness and aging embrittlement.

The utility model belongs to the field of stirring reaction kettles, and particularly relates to a stirring reaction kettle for discharging powder materials, which is suitable for production of stirring reaction kettles for discharging the powder materials. According to the technical scheme, the device comprises a tank body, a discharging mechanism and a discharging auger. The upper end of the tank body is provided with a feeding pipe opening used for feeding of powder materials. The discharging mechanism is arranged above the tank body and at least comprises a material storage box, and the material storage box has the tendency of reciprocating operation in the vertical direction. The discharging packing auger is fixed to the lower end of the storage box, a pipe fitting of the discharging packing auger is communicated with the storage box, the pipe fitting of the discharging packing auger is connected into the tank body in an inserted mode, and the discharging packing auger has the tendency of moving back and forth in the vertical direction along with the storage box. And the distance between the lower end of the pipe fitting of the blanking auger and the stored materials in the tank body is 3-10cm.

The invention discloses an automatic batching device and method for alloy casting, the device comprises a conveying and guiding mechanism and a shearing blade, the conveying and guiding mechanism comprises a baffle ring, a metal wire feeding system and a sleeve, a metal wire sequentially penetrates through the baffle ring, the metal wire feeding system and the sleeve, and the baffle ring has the effect of restraining the movement range of the metal wire; the metal wire can smoothly move forwards, and the sleeve can enable the metal wire to more straightly move forwards, so that the batching precision is improved; the shearing blade is located behind the sleeve and aligned with the wire. According to the invention, accurate, rapid and automatic batching can be realized.

The invention belongs to the technical field of food production and processing, and particularly relates to a precise powder batching device for food production and processing, which comprises a stirring barrel, a sealing cover is mounted at the top of the stirring barrel, a feed hopper communicated with an inner cavity of the stirring barrel is embedded in the top of the sealing cover, a discharge pipe is arranged right below the bottom end of the stirring barrel, and the discharge pipe is connected with the stirring barrel. Supporting plates which are connected with each other are fixedly connected to one side, opposite to the discharging pipe, of the bottom end of the stirring barrel; a stirring mechanism for stirring powder is arranged in the stirring barrel, the stirring mechanism comprises a first motor fixedly mounted at the top of the sealing cover, and the bottom end of an output shaft of the first motor penetrates through the stirring barrel and is fixedly connected with a rotating rod. Furthermore, the effects of further prolonging the powder mixing time and the mutual collision diffusion frequency of different powder materials are achieved, so that the powder materials which are continuously flapped, impacted and rotationally raised are mixed more uniformly.

The utility model discloses an ingredient weighing hopper for feed. The ingredient weighing hopper comprises a feeding mechanism, a weighing mechanism and a mixing mechanism. The feeding mechanism comprises a hopper, a first valve and a first pipe, the hopper is used for storing raw materials, one end of the first pipe is connected with the bottom of the hopper, and the first valve is located at the end, close to the hopper, of the first pipe. The weighing mechanism is located on one side of the feeding mechanism and comprises a weighing hopper, a supporting frame and a weighing device, the weighing hopper is used for containing raw materials, the top of the weighing hopper is connected with the first pipe, the top of the supporting frame is connected with the bottom of the weighing hopper, and the weighing device is connected with the bottom of the supporting frame and used for weighing the weighing hopper and the raw materials. The material mixing mechanism comprises a material mixing bin and a material mixing assembly, the material mixing bin is located at the bottom of the weighing device and used for receiving the raw materials from the weighing hopper, and the material mixing assembly is located in the material mixing bin and used for stirring the raw materials in the material mixing bin. According to the ingredient weighing hopper for the feed, the weighing device can be conveniently disassembled and assembled.

The invention relates to the technical field of weighing, and particularly discloses batching equipment which comprises a platform, a standard feeding station, an automatic feeding station and a barreling device. The standard feeding station is arranged on the platform; the automatic feeding station is arranged on the platform, the automatic feeding station comprises a feeding bin and a discharging structure, the feeding bin is provided with a feeding window, a rotating shaft is arranged at the feeding window, and the discharging structure is hinged to the feeding bin through the rotating shaft; the barreling device is arranged below the platform and is used for receiving materials from the standard feeding station and the automatic feeding station; the barreling device comprises a plurality of weighing and batching structures, a transfer material storage structure and a weighing roller conveying line, each weighing and batching structure is connected with a standard feeding station or an automatic feeding station, the transfer material storage structure is connected to the bottom of the weighing and batching structure, and the weighing roller conveying line is connected with the transfer material storage structure. And the weighing roller conveying line is arranged below the transfer material storage structure. The device has the advantages of being high in production efficiency and capable of achieving accurate weighing and proportioning.

The invention discloses a multi-form precise batching device which comprises an annular conveying device arranged on a storage device guide rail frame, a plurality of storage devices are connected to the annular conveying device, and each storage device comprises a plurality of storage boxes fixedly arranged on a material box support; a material taking device used for containing and receiving materials discharged by the material storage box, a material supplementing device used for supplementing materials into the material storage box and a material returning device used for containing and receiving excessive materials in the material taking device are arranged on the material storage device guide rail frame. When the material receiving device receives excessive materials, the material taking device and the material returning device rotate at the same time, the material returning box is located under the material receiving device, and the material returning box receives the excessive materials in the material receiving device and supplements the excessive materials into the corresponding material storage boxes; a material conveying mechanism is arranged on the guide rail frame of the material storage device and is positioned below the corresponding material taking device; the automatic batching device has the advantages that the batching accuracy is high, the automatic material supplementing function is achieved, accurate batching of materials of different forms is achieved, and the accuracy and diversity of a formula are ensured.

An operation method of the facial cleanser preparation device containing the peony flower essential oil comprises the following steps: before the facial cleanser containing the peony flower essential oil is processed, 30% of pure water is manually heated, and the temperature data is as follows: when the temperature is 65 DEG C, 10% of cucumber extract is manually conveyed into a temperature control stirring tank to be stirred for 3 minutes; sequentially conveying 1.5% of peony essential oil and 40% of peony fresh flower hydrolat into a temperature control stirring tank; 8% of ethylene glycol monostearate is conveyed into a temperature control stirring tank; 2% of a honey extract, 0.5% of a protein composition and 8% of pure water are conveyed into a temperature control stirring tank to be mixed and stirred to complete preparation and canning of the facial cleanser containing the peony flower essential oil; the raw materials of the facial cleanser containing the peony flower essential oil control the feeding microcomputer electromagnetic pump and the discharging microcomputer electromagnetic pump through the control console, the proportioning is accurate, the processing flow of product production is sealed in the whole process, the product quality of the facial cleanser containing the peony flower essential oil and the market approval are improved, the market requirements can be met, and the production cost is reduced. And the development of peony skin care and beautifying products is accelerated.

The invention discloses a method for deeply separating an aromatic nitration product and a method for supplying a purified product to a continuous flow high-order nitration ingredient, and particularly relates to an emulsion nitride oil phase obtained by nitrating an aromatic compound through nitric acid and sulfuric acid and layering through oleic acid, the method for deeply separating and dispersing the acid phase comprises the following steps: injecting an emulsion nitride oil phase into a filtering device by adopting a microporous material of which the material surface energy is lower than 33 mJ / m as a filtering element, driving the emulsion nitride oil phase to be infiltrated in the tissue of the hydrophobic microporous material based on lower tension of the nitride, and combining the precision of micropores of the microporous material and a two-phase tension difference, so as to realize deep separation of the dispersed acid phase. Regulating and controlling the operation parameters of the filtering device to be matched with the attributes of the material and the medium, so that the oil phase and the microporous structure of the hydrophobic microporous material jointly form a complete tension liquid film, constructing sustainable differential pressure filtration, and retaining and enriching the dispersed acid phase all the time under the pressure difference of 5-80 kPa, so as to obtain a clear, transparent and highly homogeneous nitride oil phase; according to the method, the dosage of a neutralizing agent and water can be greatly reduced in a neutralizing and washing link of the aromatic nitration product; for a graded continuous nitration production process, continuous and accurate burdening of a later-stage reaction can be directly supplied; for an online continuous flow nitration reaction device with a small volume, the device is particularly beneficial to the continuous, stable and flexible starting and stopping of a graded tandem reaction device.

The utility model relates to a kind of road construction modified asphalt production device, belong to road asphalt equipment technical field, including rack, batching tank, stirring tank, discharge pipe, material conveying pipe, colloid mill, circulation pipe, material conveying pipe another end is connected with finished product delivery pump, the top of batching tank and two stirring tanks are all fixed with matrix asphalt inlet pipe, the top of batching tank is connected with weighing bin, weighing bin is connected with weighing frame by tension sensor, weighing frame is fixed on rack, the upper portion of weighing bin is equipped with screw conveyor, filter is connected between material conveying pipe and colloid mill, filter and circulation pipe are all connected with a section of bellows between colloid mill.The utility model can accurately measure the dosage of modifier by weighing bin and tension sensor, ensure the accuracy of modified asphalt batching;Material is ground by colloid mill and then returns to stirring tank by circulation pipe for cyclic treatment, cooperating with the stirring equipment arranged in stirring tank, the uniformity of material mixing can be significantly improved.

The present invention discloses a water-brushed stone slurry quantity control and anti-condensation construction control system and control method. The system includes a mixer body, a control unit, a visual recognition unit, a data collection unit and a data processing and storage unit. The present invention adopts visual data acquisition and intelligent recognition technology to achieve accurate raw material ratios and reduce human errors and trial and error costs. The system automatically calculates the ratio without relying on experience, reduces training costs, and improves construction efficiency and quality. By clearly defining the construction area, the raw material requirements are accurately calculated and the construction plan is optimized. The system has four working modes to adapt to different construction conditions, reduce raw material waste, and ensure construction continuity and quality. The automatic cleaning and raw material ratio memory functions reduce the burden of manual cleaning and quickly restore the construction state. It is particularly suitable for water-brushed stone slurry construction with complex ratios and high precision requirements, and improves construction efficiency.

The utility model relates to the technology of fertilizer additive mixing equipment, and discloses a mixing device for producing and processing a fertilizer additive, which comprises a machine body, a feeding structure, a dispersing structure, a stirring structure and a conveying structure, a feeding structure is arranged above the machine body, the feeding structure is connected with a material dispersing structure through a first feeding pipe, a stirring structure is arranged below the material dispersing structure, the machine body is connected with a feeding structure through a second feeding pipe, two layers of trays are arranged in the first feeding port, the second feeding port and the third feeding port, and a first discharging port and a second discharging port are formed in the side edges of the two layers of trays respectively. A rotary material distribution disc is installed between the two layers of material discs, a baffle is arranged on the rotary material distribution disc, a rotary shaft on a servo motor penetrates through the rotary material distribution disc, and a material mixing bin of a material dispersing structure is rotationally connected with a rotary three-way discharging pipe through a rotary structure. And the fertilizer additive scattered from the rotary three-way discharging pipe is fully mixed under the action of the stirring structure, so that the mixing effect is improved.

The invention discloses a metal powder suitable for MIM injection molding ultra-high strength steel, a preparation method and ultra-high strength steel. In the preparation of the metal powder, S1, pure iron, high-purity chromium, molybdenum bars, elemental niobium, electrolytic copper, cobalt, nickel plates, high-purity silicon and micro-carbon ferrochrome, raw materials of ultra-high strength steel, are added into a medium frequency induction furnace, and smelting is performed with nitrogen protection to obtain molten steel; S2, water-gas combined atomization: nitrogen is used as the process protection atmosphere, and a water-soluble quenching liquid is used as the atomizing medium. Under high temperature conditions, the main components of the quenching liquid are separated and coated on the surface of the metal droplets, thereby avoiding the generation of water vapor film to oxidize the metal droplets during the atomization process; after the atomization is completed, the atomizing medium and the metal powder fall into the water, the temperature is reduced, the quenching liquid is dissolved back into the water, the film is broken, and the metal droplets are cooled and solidified into metal powder; the powder prepared by this method has the advantages of low oxygen content, accurate alloy composition, high cleanliness, fine powder particle size and reasonable distribution, good sphericity, etc., and can be widely used as a raw material for MIM injection molding ultra-high strength steel.

This invention discloses a stepwise thermal control method for improving the process and performance of laser additive manufacturing of nickel-based superalloys. It is based on a dual-laser additive manufacturing process, which includes a first laser and a second laser beam. During the printing process, for each printed layer, the first laser beam is first applied at 20 J / mm². 3 -40 J / mm 3 A low-energy-density laser preheats and partially melts the alloy powder layer on the substrate to optimize its adhesion and improve its stability. A second laser beam at 70 J / mm² is then used. 3 -110 J / mm 3 The high unit volume laser energy density completely melts the alloy powder layer; the alloy powder layer uses nickel-based high-temperature alloy powder. Therefore, this invention can suppress the burn-off of key elements (such as Al, Cr, Nb, etc.) in the alloy powder layer during the melting stage, achieving precise control of component composition and improving surface quality and dimensional accuracy.

The invention provides a strip-shaped high-entropy alloy self-supporting electrocatalyst as well as a preparation method and application thereof, and belongs to the technical field of nano materials and catalysts. The chemical formula of the strip-shaped high-entropy alloy self-supporting electrocatalyst is FeaCobNicCrdMMn, in the formula, a, b, c, d and e represent the atomic ratio, and a: b: c: d: e = (1-3): (1-3): (1-3): 1: 1. The overpotential of the catalyst provided by the invention can reach 273.2 mV under the current density of 10mA. Cm <-2 > in electrochemical alkaline hydrogen evolution catalysis; and in electrochemical alkaline oxygen evolution catalysis, the overpotential can reach 338.9 mV under the current density of 10mA. Cm <-2 >, and excellent electro-catalysis efficiency is achieved. And after a multi-section current density stability test for 600h, the potential attenuation is only 1.26%, and the stability is excellent.

The utility model belongs to the technical field of catalysis, particularly relates to a device for mixing and catalyzing in proportion, and provides the following scheme aiming at the problems that most of the existing raw materials are fed into stirring equipment through a single material inlet, are easy to accumulate at one position and cannot be fully stirred and mixed, and the mixing efficiency is reduced. A discharging pipe for discharging is fixed at the bottom end of the stirring barrel, and four supporting legs are fixed at the bottom end of the stirring barrel; a rotating shaft rotates in the stirring barrel, the multiple stirring blades are evenly fixed to the surface of the rotating shaft and used for stirring and mixing raw materials, a set of stirring assembly is arranged on the upper side of the stirring barrel, and the stirring assembly is used for driving the multiple stirring blades to stir the raw materials; the feeding assembly is arranged in the rotating shaft and used for rotating and feeding along with the rotating shaft; the device has the advantages of uniform mixing, accurate burdening, simplicity and convenience in operation, high production efficiency and the like, and is suitable for the requirements of proportionally mixing and catalyzing various raw materials in cleaning agent production.