35results about How to "Fine particle" patented technology

The invention relates to the technical field of biological medicine, in particular to radix puerariae and sesame coffee for improving non-alcoholic fatty liver and application of the radix puerariae and sesame coffee. The radix puerariae and sesame coffee comprises the following components in parts by weight: 0.5 part of a fructus cannabis polypeptide solution, 0.5 part of radix puerariae polypeptide solution and 9 parts of coffee. After continuous treatment for 7 weeks, according to liver appearance and liver histopathology observation, it is found that the radix puerariae and sesame coffee mixed liquid effectively reduces lipid deposition and liver fat, and the liver fat lesion is improved. Experimental results show that the radix puerariae and hemp coffee has a remarkable lipid-lowering effect, and can effectively reduce liver fat particles, reduce inflammatory injury, improve liver tissue pathological changes and relieve NAFLD mouse liver tissue injury.

The invention discloses an intermediate of a sulfide electrolyte, a preparation method of the intermediate, the sulfide electrolyte and a preparation method of the sulfide electrolyte, the fluidity of the intermediate is 30s / 50g-75s / 50g, the preparation method of the sulfide electrolyte is characterized in that the intermediate is sintered to obtain the sulfide electrolyte, the grain size and material distribution of the sulfide electrolyte intermediate are uniform, the grain size is relatively fine, and the sulfide electrolyte intermediate has relatively high fluidity. According to the method, the intermediate of the sulfide electrolyte is adopted to prepare the sulfide electrolyte, and the improvement proportion of the ionic conductivity of the sulfide electrolyte is relatively high.

The invention provides a method for recovering valuable component copper in an electronic waste copper material, which comprises the following steps: mixing low-grade copper sulfide ore and electronic copper waste according to a mass ratio of 15: (1-30), crushing until the particle size is not greater than 15mm, adding water, and grinding to obtain ore pulp; performing magnetic separation on the ore pulp to obtain iron ore concentrate and magnetic separation tailings; a pH regulator is added into the magnetic separation tailings, the pH is regulated to 9-10.5, then a collecting agent and a foaming agent are added for roughing, and rough concentrate is obtained; a proper amount of collecting agent and foaming agent are added into the rough concentrate, and flotation copper concentrate is obtained after scavenging; and tailings left after scavenging are subjected to reselection treatment, and reselected copper concentrate is obtained after enrichment. The method provided by the invention is more systematized, easy to operate and low in recovery difficulty, copper in the electronic copper waste and the low-grade copper sulfide ore can be efficiently recovered, and resource waste is avoided.

The present invention relates to a modified mica powder / resin composite insulating material and a preparation process thereof and a mica roll preparation process. The present invention uses Joule heat technology to prepare Zr-Mg-Al oxide, which is named as insulating inorganic nanoparticles. The insulating inorganic nanoparticles prepared by the present invention have excellent electrical insulation performance, heat resistance and chemical stability. It is applied to the preparation of modified mica powder / resin composite insulating materials, which has excellent insulating effect. On the other hand, the present invention significantly improves the mechanical properties of the material by selecting a suitable silane coupling agent for reasonable modification treatment.

The utility model belongs to the technical field of reprocessing of chromium-containing iron mud, and particularly relates to a reprocessing device for chromium-containing iron mud. Comprising a box body, a feeding port is fixedly connected to the top of the box body, a dust collection frame is arranged in the box body and located below the feeding port, crushing rollers are rotationally connected to the two sides in the box body and located below the dust collection frame, and a screening plate is slidably connected to the position, located below the crushing rollers, in the box body; a rotating plate is arranged in the box body and located below the screening plate. The utility model provides a chromium-containing iron mud reprocessing device which solves the problems that in the prior art, when chromium-containing iron mud is processed, target components in the chromium-containing iron mud are generally extracted through simple dissolving and precipitating steps, required products or materials are obtained, but more dust and impurities are contained in the chromium-containing iron mud before processing, and the processing efficiency is high. If the dust and the impurities are not adsorbed, filtered and cleaned, the subsequent processing quality of the ferrochrome mud is easily influenced.

The invention discloses a method for preparing a Na2FePO4F / C material by using iron phosphate waste residue, which comprises the following steps: (1) carrying out oxidizing roasting pretreatment on the iron phosphate waste residue to obtain a roasted product; (2) mixing and reacting the roasted product with an acidic reducing agent to obtain a reaction product; (3) mixing and reacting the reaction product, a sodium source, a fluorine source, a carbon source, an iron source, a phosphorus source and an aluminum source, and drying the reaction product to obtain an intermediate product; and (4) carrying out reduction roasting on the intermediate product to obtain the Na2FePO4F / C. According to the invention, the doping modification effect of the aluminum impurities in the raw materials in the Na2FePO4F / C material is fully utilized, so that the cycle performance of the Na2FePO4F / C at high rate is effectively improved.

The present invention provides a preparation device and method of active biological calcium particles based on embrittlement resonance, which relates to the technical field of calcium particle preparation. The preparation device includes: a bone particle cooling sealed cylinder, a liquid nitrogen cooler, a liquid nitrogen circulation pipeline, a bone particle transmission pipeline, a resonator and a particle filter; the bone particle cooling sealed cylinder is provided with a feed port; the liquid nitrogen cooler is provided with a nitrogen inlet and a nitrogen outlet, and the nitrogen inlet and the nitrogen outlet are connected through a liquid nitrogen circulation pipeline; at least part of the liquid nitrogen circulation pipeline passes through the inside of the bone particle cooling sealed cylinder; the bone particle cooling sealed cylinder is connected to the resonator through the bone particle transmission pipeline; the resonator is connected to the particle filter; the particle filter is provided with a discharge port and a waste port. The present invention can cool and embrittle the coarse particles obtained by the traditional research and development method in the bone particle cooling sealed cylinder, and then crush them through the resonator to obtain finer particles, thereby improving the human body absorption rate of calcium particles.

The utility model provides suspension grinding equipment which is characterized in that a crushing mechanism is arranged in an inner cavity of a crushing box, the crushing mechanism comprises a mounting block, and the right side of the mounting block is fixedly connected with an air pump. Firstly, a suspension needing to be ground is added into a crushing box through a feeding hopper, a first driving motor is started to drive a rotating rod and a crushing roller, when the suspension enters the crushing box, an air pump drives a first crushing block to impact a second crushing block to crush the suspension, and the crushed suspension can fall down and is subjected to secondary crushing by a driving crushing roller and a driven crushing roller; the suspension subjected to secondary crushing can fall into the grinding barrel under the guide of a baffle, a second driving motor is started to enable a blade to rotate at a high speed to grind the suspension again, and the second driving motor drives a driving gear and a driven gear to enable a scraping strip to scrape off the suspension attached to the inner wall of the grinding barrel to grind again; the ground suspension can fall into the storage box, the drawer is pulled out through the handle, and the ground suspension is taken out.

The invention relates to the technical field of lithium batteries, in particular to an LMFP composite positive electrode material and a preparation method thereof. According to the method, the LMFP composite positive electrode material is prepared from a composite carbon source, and the composite carbon source comprises cane sugar, polyvinyl alcohol and polystyrene microspheres. According to the method, the LMFP composite positive electrode material with proper carbon content, uniform particle size distribution, porosity and good electrochemical performance can be obtained; the method has the advantages of simple steps, mild conditions, low cost, no need of introducing chemical substances with strong toxicity, and good environmental protection characteristic; the LMFP composite positive electrode material has the advantages of high energy density, small electrochemical polarization, good rate capability and good cycle stability.

The present application relates to a flip-type concrete mortar machine, which includes a machine base, a mixing seat is arranged on the machine base, and a spiral mixing frame is rotatably arranged in the mixing seat; a feeding port is formed on the top of the mixing seat, a sieve plate facing the feeding port is arranged on the inner side wall of the mixing seat, and a plurality of feeding holes arranged in sequence and spaced are penetrated on the sieve plate; a pushing mechanism mounted above the sieve plate is also arranged on the mixing seat, and the pushing mechanism includes a sliding plate slidingly arranged on the sieve plate, and a pushing plate is arranged on the sliding plate; a crushing mechanism is also arranged on both sides of the sieve plate in the mixing seat, and the pushing plate is used to push the coarse aggregate falling above the sieve plate into the crushing mechanisms on both sides. The present application has the effect of greatly improving the fineness of the finished mortar, and is suitable for construction links with high requirements for the fineness of the mortar, thereby greatly reducing the loss of resources.

The invention provides production equipment for growth-promoting antibiotic-replacing feed, and belongs to the technical field of feed production. Comprising a supporting main body, a blending and premixing main body movably connected to the supporting main body, and a magnetic auxiliary fermentation main body which is connected with the supporting main body through a reinforcing connecting frame and is in through connection with the bottom end of the blending and premixing main body; according to the equipment, required raw materials are quantitatively weighed, crushed, mixed and then uniformly scattered in the magnetic auxiliary fermentation main body, the mixed raw materials are stirred and spread flatly through the spreading rotating frame, it is ensured that each part of the raw materials can make full contact with air and microorganisms, uniform fermentation is promoted, meanwhile, external air is compressed and filtered through the oxygenation assembly, and the fermentation efficiency is improved. According to the present invention, the air is purified through the negative ions so as to remove the positive ions, the bacteria, the viruses and the harmful gas in the air, and then the air is introduced into the magnetic auxiliary fermentation main body, such that the air quality during the fermentation process is improved through the treated air, and the fermentation efficiency and the product quality can be easily improved.

A method of performing a radioembolism treatment includes injecting 402 a plurality of radioembolism particles into a blood flow of a patient to treat a target tissue. Each radioembolic particle of the plurality of radioembolic particles includes a radioactive nucleus and a radiopaque layer. The method further includes obtaining 404 an image of the target tissue and the radioembolic particles to determine 406 a radiation dose delivered to the target tissue by the plurality of radioembolic particles, where the image is one of a computed tomography (CT) image and an X-ray image.

The present invention discloses a UHPC premixing process, which performs UHPC dry premixing in advance, and sets a number of movable wet mixers in the later on-site construction according to the construction progress requirements, thereby increasing the output of UHPC finished materials and construction efficiency, ensuring metering accuracy, and improving quality. Also disclosed is a UHPC premixing production line for realizing the UHPC premixing process.

A method for recovering organic tin in a vinyl ether compound transesterification kettle liquid, comprising the following steps: 1) taking the vinyl ether compound transesterification kettle liquid, cooling to-10-40 DEG C, standing, until crystals are precipitated in the transesterification kettle liquid, filtering, or, cooling to-10-40 DEG C, adding 0.1-5% of organic tin powder in mass fraction to the transesterification kettle liquid, stirring and mixing uniformly, then standing, until crystals are precipitated in the transesterification kettle liquid, filtering; 2) adding a basic solution with a concentration of 5-8 wt% to the crystals obtained by filtering, in a mass ratio of 1:0.5-10, and heating to 25-60 DEG C, until flocculent substances appear on the surface of the basic solution, and filtering the lower aqueous phase; 3) washing the crystals obtained by filtering with water, then washing with an organic solvent, drying, to obtain organic tin. The process condition is mild and the operation is convenient, the recovered organic tin can be used repeatedly, the production cost of enterprises is reduced, and environmental pollution is avoided.

The utility model belongs to the technical field of fine iron powder processing, and particularly relates to a transfer device for fine iron powder processing and upgrading, which comprises a material box, one side of the material box is fixedly connected with a conveying frame, one side of the conveying frame is fixedly connected with a blanking frame, the conveying frame is provided with a conveying and lifting assembly, the bottom of the blanking frame is fixedly connected with a screen, and the screen is fixedly connected with a conveying and lifting assembly. And a recycling box is fixedly connected to one side of the discharging frame, a smashing assembly is arranged on the recycling box, and a transfer trolley is movably arranged at the bottom of the discharging frame. The fine iron powder recycling device is reasonable in structural design, fine iron powder can be lifted and conveyed firstly and then filtered and screened when the fine iron powder is transferred and loaded, fine iron powder particles are smaller, finer, more uniform and consistent during transferring, the purpose of upgrading the fine iron powder is achieved, the large fine iron powder enters the recycling box to be smashed, and the quality of the fine iron powder is improved. Therefore, the particle size of the fine iron powder is reduced, and the fine iron powder is recycled.

The present invention discloses a carbazole coupling compound and a preparation method and application thereof. The structure of the compound is shown in the following formula: wherein R is selected from any one of the following; n is an even number of integers from 0 to 20; and X is selected from any one of F, Cl, Br, and I. The carbazole coupling compound synthesized by the present invention contains an N positive center and can be more easily adsorbed on the surface of a copper layer. The large conjugated large plane of the carbazole coupling compound can have a larger coverage area on the electrode surface and can increase cathode polarization, inhibit copper deposition, thereby making the particles of electroplated metal deposition finer and making the copper-plated layer obtain a high preferred crystal plane orientation, more effectively preventing the reduction and deposition of copper ions. The carbazole coupling compound is adsorbed to a place with high current density during electroplating, and can be used as an electroplating leveling additive to play a leveling role.

This invention relates to the field of sulfur production technology and discloses an oil-extended insoluble sulfur and its preparation method. The method includes: drying industrial sulfur with a sulfur content ≥99.9% and heating it to 135~145℃ to melt it; heating the molten sulfur to 230~250℃ under a pressure of 1.5~2.5MPa to carry out a polymerization reaction, adding a composite polymerization auxiliary during the polymerization reaction; depressurizing the molten sulfur after the polymerization reaction within 0.1~0.5s and injecting it into a quenching liquid for quenching to obtain crude insoluble sulfur; drying the crude insoluble sulfur and mixing it with iodine, then grinding and aging it to obtain an aged product; extracting the aged product with an extractant and drying it to obtain high-purity insoluble sulfur powder; and coating and extruding the high-purity insoluble sulfur powder with aromatic oil and a composite stabilizer. This invention simultaneously solves the contradiction between low conversion rate of the low-temperature method and poor safety of the high-temperature method, which has long plagued the industry, and achieves better technical results.

The invention discloses a preparation method of high-quality anhydrous sodium acetate. Comprising the following steps: dropwise adding alkali liquor into acetic acid or an acetic acid solution in a stirring state to obtain a sodium acetate solution, and preparing anhydrous sodium acetate from the sodium acetate solution by using a spray dryer. The sodium acetate solution is directly subjected to spray drying by using the spray dryer, the solution does not need to be concentrated, crystallized and dried, the operation steps are reduced, the process is simple, the yield is high, and the cost is low. The water content of the prepared sodium acetate powder is less than 1.0%, the sodium acetate content is greater than or equal to 99.0%, and the yield is greater than or equal to 98.5%.

The invention provides an application of N,N,N-tris(2-hydroxypropyl)amine cyclic borate as an inorganic non-metallic mineral grinding aid. The N,N,N-tris(2-hydroxypropyl)amine cyclic borate as a grinding aid has the effects of making the particles of the powder finer, having better dispersibility and better compatibility.

The invention discloses emulsified oil powder mixing equipment for animal feed and a mixing process of the emulsified oil powder mixing equipment, and relates to the technical field of animal feed, the emulsified oil powder mixing equipment comprises an oil dripping mechanism, the oil dripping mechanism is used for controlling oil dripping, and emulsifier sprayers are arranged on two sides of the oil dripping mechanism. Water drops are injected into the upper surface of the electric heating plate through the water pump, oil drops are dripped on the surfaces of the water drops in a fixed-point mode through the oil dripping mechanism, water and oil do not have intersolubility, the density of the oil is smaller than that of the water, the oil drops cover the surfaces of the water drops, the water drops are heated through the electric heating plate, and the boiling point of the water is smaller than that of the oil; after reaching the boiling point, water drops have higher kinetic energy and potential energy, high-strength energy is utilized to destroy the viscosity during grease combination, oil drops are fried into smaller oil particles, the oil crushing effect is achieved, the oil drops are atomized into smaller oil particles, oil and an emulsifying agent are mixed more uniformly, and the prepared emulsified oil powder is finer and more convenient to absorb by young animals.

This invention provides a flame retardant for water-based fire-retardant coatings for steel structures, prepared from the following raw materials: urea, phosphoric acid, acidic lignin, and pentaerythritol; the weight ratio of urea, phosphoric acid, acidic lignin, and pentaerythritol is 1:(0.8-1):(0.1-0.5):(0.01-0.05). Applying this flame retardant to water-based fire-retardant coatings for steel structures achieves both moisture resistance and flame retardancy.

The invention discloses an Mg3Sb2-based semiconductor material for energy conversion and a preparation method thereof, and belongs to the technical field of energy conversion, and the molecular formula of the Mg3Sb2-based semiconductor material is Mg < 3.2 > Bi < 1.3 > Sb < 0.7 >. Mg < 3.2 > Bi < 1.3 > Sb < 0.7 > can generate n-p conduction transformation; when the K is less than 500 K, Mg < 3.2 > Bi < 1.3 > Sb < 0.7 > is an n-type semiconductor; when the voltage is greater than 500 K, Mg < 3.2 > Bi < 1.3 > Sb < 0.7 > is a p-type semiconductor. The preparation method comprises the following steps: uniformly mixing magnesium powder, bismuth powder and antimony powder according to a molar ratio of 3.2: 1.3: 0.7, sealing in a pure argon environment, and carrying out alloying, cold pressing and sintering to obtain the Mg3.2 Bi1. 3Sb0.7. When Bi is doped into the Sb position, the Mg vacancy concentration in the material can be effectively reduced, and the electron concentration can be improved at the same time. The doping not only enables the energy band gap of the material to be narrowed and converted into a narrow-band-gap semiconductor, but also improves the carrier concentration of the material. Under the combined action of the two factors, the electron concentration in the material is remarkably enhanced, and then conversion from an n-type conduction type to a p-type conduction type can be achieved. Therefore, the material has huge application potential in the technical field of energy conversion.

According to the preparation method of the composite silver tin oxide electric contact material based on the thick-wall AgSn tube, the strength of an oxide framework is guaranteed by adopting the method for preparing the composite silver tin oxide through the thick-wall AgSn tube, a silver matrix is modified and reinforced, and the uniformity of an oxidation region is guaranteed and oxide particles are finer through a mode of generating oxide in situ. And meanwhile, a working layer on the edge of the manufactured rivet contact is of an internal oxidation process structure, and the rivet contact has excellent arc erosion resistance, especially high-current arc erosion resistance. According to the extrusion method for the composite silver tin oxide blank in the AgSn tube, the proportion can be adjusted at will according to needs, the problem of difficult oxidation is avoided, and the prepared material is better in plasticity, low in hardness and easy to machine.

The utility model discloses a kind of ammonium dihydrogen phosphate tubular reactor spray head devices, including mixed acid reactor and spray head, the mixed acid reactor both ends are respectively arranged opening, first flange is arranged at mixed acid reactor both ends opening, the spray head one end is arranged opening, the other end is arranged spout, the spray head opening one end is arranged second flange, the mixed acid reactor and spray head are connected fastening by first flange and second flange.The technical scheme of the utility model is adopted, phosphoric acid enters from the left side of mixed acid reactor, and after being fully reacted with the ammonia gas of the upper and lower two groups of ammonia gas inlets, slurry is obtained, after slurry enters spray head, the flow guiding effect of cyclone vane makes material rotate in pipeline, and then the flow rate of spraying is increased by the pressurizing effect of booster conical tube, finally material is sprayed in atomized state, the slurry in atomized state is finer than ordinary directly sprayed slurry particles, and the speed of evaporated moisture is faster, and better finished product ammonium dihydrogen phosphate can be obtained compared with ordinary spray head.

The invention discloses a phosphorus-containing waste curing process, and belongs to the technical field of hazardous waste curing treatment, and the phosphorus-containing waste curing process specifically comprises the following steps: (1) sequentially carrying out hydrolysis, filtration, impurity removal and catalytic oxidation treatment on phosphorus-containing waste to obtain hydrolysate; (2) concentrating the hydrolysate obtained in the step (1), and centrifuging to obtain a concentrated solution; (3) carrying out curing treatment on the centrifuged concentrated solution under the action of a curing agent and a curing auxiliary agent to obtain a calcium phosphate cured body for landfill; the process is simple and easy to implement, organic matter is removed while reactivity is eliminated, the landfill requirement is met, waste is treated with waste, and the capacity increasing ratio can be reduced.

The anode heat preservation material smashing equipment comprises a smashing box body, the smashing box body is of a cuboid-shaped shell structure with an opening in the upper portion, and a strip-shaped through groove is formed in the upper portion of the smashing box body. And a shovel is not required to be placed on a new anode, so that convenience and rapidness are achieved.

The invention discloses a phosphorus-containing waste solidification treatment system, and belongs to the technical field of hazardous waste solidification treatment, the phosphorus-containing waste solidification treatment system comprises a hydrolysis system, a concentration system, a solidification system and a waste gas treatment system, the waste gas treatment system comprises a first waste gas treatment system and a second waste gas treatment system; the outlet end of the hydrolysis system is communicated with the inlet end of the concentration system through a pipeline and a pump, the outlet end of the concentration system is communicated with the inlet end of the curing system through a pipeline and a pump, waste gas outlets are formed in the hydrolysis system, the concentration system and the curing system respectively, and the waste gas outlets of the hydrolysis system and the concentration system are communicated with the first waste gas treatment system. The system is simple in structure and convenient to use and operate, phosphorus-containing waste is effectively and directly landfilled after being treated, the treatment process is environmentally friendly and harmless, the cost is low, and waste is treated with waste.

The present invention relates to a food processor for making bread, comprising: a screen assembly; a body assembly, in which a top micro switch, a bottom micro switch and an electric control locking device are arranged; a bread cup assembly configured to be placed in the body assembly, comprising a cup cover, a cup body kit, a heating tube, a stirring device and a rod linkage device, wherein the cup body kit is composed of an inner liner, a middle-layer fixing member and an outer shell; and a base assembly; wherein an NTC temperature sensor and a fuse are arranged on the middle-layer fixing member, and when the cup cover is buckled into place on the cup body kit, the cup cover turns on the top micro switch and simultaneously turns on the bottom micro switch through the rod linkage device, and when the food processor is powered on and running, the NTC temperature sensor feeds back the temperature around the inner liner to the food processor, and when the temperature of the heating tube is too high, the fuse will automatically melt, and the electric control locking device will lock the cup cover in place, until the food processor finishes working, the electric control locking device will be powered off to allow the cup cover to be opened.

The invention discloses a preparation method of a dye solvent red 196 crystal transformation product, which comprises the following steps: mixing a wet filter cake formed by reaction of solvent red 197 and concentrated hydrochloric acid with a mixed solution of an aliphatic organic solvent and water, and then dropwise adding alkali liquor for neutralization and crystal transformation; if the pH value of the filter cake is neutral or weakly alkaline after the alkali pulping is carried out once, carrying out water pulping treatment, and if the filter cake is still acidic, repeating the alkali pulping operation for at least one time until the filter cake meets the requirement; and pulping the filter cake meeting the requirements for 2-3 times to obtain a dye solvent red 196 crystal transformation product. The method is simple in process and short in time consumption, and the obtained product is blackish green, high in quality and more suitable for silk spray dyeing and plastic wire drawing industries.

The application discloses a semiconductor device and a process cavity maintenance method. The maintenance method comprises the following steps: providing a process cavity, a target film layer is deposited on the inner wall of the process cavity, and the target film layer is a semi-insulating oxygen-doped polysilicon film layer; a first gas is introduced into the process cavity, the target film layer is subjected to a first treatment, the target film layer is oxidized to form an oxidized target film layer, and the oxidized target film layer is cracked and peeled off under the action of stress, and the first gas is an oxidizing gas; and a second gas is introduced into the process cavity, and the process cavity is purged. The application can realize online maintenance of the process cavity, maintain the particle performance at a good level, has the advantages of simpler, more reliable, more efficient and faster maintenance, and can greatly reduce the labor cost and the material cost.