11 results about "Wet-milling" patented technology

This application belongs to the technical field of cemented carbide materials, specifically a high-toughness WC-Co cemented carbide and its preparation method. The preparation method includes: using tungsten carbide powder, cobalt powder, tantalum carbide powder, boron source, and tungsten powder as raw materials; mixing and ball-milling all the boron source, tungsten powder, and part of the cobalt powder to obtain a first slurry; mixing and ball-milling all the tungsten carbide powder, tantalum carbide powder, and the remaining cobalt powder to obtain a second slurry; mixing the first slurry and the second slurry, ball-milling, drying, and pressing; and then sintering in three stages with increased temperature to obtain the WC-Co cemented carbide. This application, through the synergistic design of "pre-alloying wet milling" and "medium-temperature heat preservation," guides the uncontrollable boron diffusion reaction process into a directional and gradual reaction path of "B→Co2B→WCoB," thereby avoiding the formation of harmful phases such as brittle WB, optimizing the microstructure of the WC-Co cemented carbide, and improving its mechanical properties.

This invention discloses a method for processing cocoa beans or cocoa granules, comprising the steps of: (a) adding water to cocoa beans or cocoa granules to form a suspension; (b) wet milling the suspension; (c) subjecting the suspension to heat treatment at a temperature of 70°C or lower; (d) separating the suspension into: an aqueous phase (heavy phase), a lipid phase including cocoa oil (light phase), and a solid phase including cocoa powder and fluid components; (e) continuously separating the fluid components from the solid phase obtained in step (d) by supplying the solid phase to a mixing device to obtain cocoa aroma and cocoa powder; wherein the mixing device... The device includes: a cylindrical tubular body having a horizontal axis, the tubular body having an inlet opening for a solid phase, an outlet opening for a dried solid phase, and an optional outlet opening for a vapor phase including cocoa aroma; end plates closing the tubular body at opposite ends; a coaxial sleeve for heating or cooling the inner wall of the tubular body to a temperature of 55°C to 150°C; and a bladed rotor supported in the tubular body for rotation, the blades of the bladed rotor being arranged in a helical shape and oriented for centrifugally separating the solid phase and simultaneously transporting the solid phase toward the outlet opening.

The application discloses a building ceramic wetting and powdering square anti-sticking wetting tower, and belongs to the technical field of wetting towers for building ceramic production. The building ceramic wetting and powdering square anti-sticking wetting tower comprises a support, a storage bin, a high-frequency vibration powder distributing device, an upper powder cylinder and an anti-sticking cloth cylinder body are sequentially and fixedly connected to the support from top to bottom, the top end and the bottom end of the high-frequency vibration powder distributing device are respectively connected with the storage bin and the upper powder cylinder in a flexible mode, the high-frequency vibration powder distributing device is used for realizing uniform falling of powder by means of multi-stage powder dispersing action, the upper powder cylinder is internally provided with uniformly distributed spray rods, the spray rods are connected with a water tank through water supply pipes, the bottom surface of each spray rod is provided with a plurality of downwardly arranged spray heads, and the spray heads are uniformly distributed in the vertical projection of the anti-sticking cloth cylinder body. The building ceramic wetting and powdering square anti-sticking wetting tower adopts the above structure, the uniformity of powder distribution and wetting is improved, and the problems of wall sticking and blockage of the discharge opening of the wetting tower are solved.

This invention discloses a high-toughness cemented carbide and its preparation method, belonging to the technical field of cemented carbide materials. The method includes: firstly, ball milling and mixing tantalum carbide powder with a liquid medium to prepare a tantalum carbide dispersion slurry; then, wet milling tungsten carbide powder (5-30% by weight of tungsten carbide powder) and cobalt powder in a liquid medium to prepare a tungsten carbide-cobalt mixed slurry; mixing the tungsten carbide-cobalt mixed slurry with the tantalum carbide dispersion slurry to obtain a mixed slurry; then adding the remaining tungsten carbide powder and a forming agent to the mixed slurry and continuing ball milling; after ball milling, drying, granulation, molding, and sintering to obtain the high-toughness cemented carbide. This invention can effectively disperse tantalum carbide, thereby reducing the agglomeration of tantalum carbide in the cemented carbide, preventing tantalum carbide agglomeration sites from becoming fracture sources, significantly enhancing the fracture toughness while maintaining the high hardness of the cemented carbide, and the process is simple, easy to implement, and suitable for industrial production.

FIELD: food industry.SUBSTANCE: method for producing a plant-based beverage is proposed, comprising: wet milling in an aqueous medium of plant-based raw material to obtain a raw material suspension; sifting the raw material suspension to obtain primary milk and a fibrous suspension; grinding the fibrous suspension; treating the fibrous suspension with a protease selected from the group consisting of a metalloendoprotease and a trypsin selected from the group consisting of bacterial trypsin and fungal trypsin; treating the fibrous suspension specified protease at a temperature below the specified operating temperature for the specified protease to obtain a processed fibre suspension; and sifting the processed fibre suspension to obtain secondary milk and clean fibre. A method is proposed for reducing the viscosity of the fibrous suspension.EFFECT: preservation of the quality of the extracted material, including beta-glucan and protein, by using low temperatures and minimal protease activity and digestion time during extraction.22 cl, 10 dwg, 28 tbl, 24 ex

This invention provides a ternary cathode material precursor, its preparation method, and its application. The preparation method includes: (1) wet milling a metal salt, a binder, a defoamer, and a solvent to obtain a slurry; (2) spray granulating the slurry under a pure oxygen atmosphere to obtain the ternary cathode material precursor. This invention uses solid-phase spray granulation technology to replace the traditional co-precipitation process for preparing ternary cathode material precursors, resulting in high production efficiency, short cycle time, no need for the addition of complexing agents with irritating odors, and simple process and equipment, making it highly feasible for industrialization.

The instant application provides methods to improve the total starch yield and / or gluten yield from corn kernels in a wet milling process, the method comprising admixing corn kernels or a fraction of the corn kernels with an enzyme composition comprising an effective amount of one or more hydrolytic enzymes, wherein at least one of said hydrolytic enzymes is selected from the group consisting of a GH30 polypeptide, a GH5 polypeptide or a combination thereof.

The application discloses a method for improving resistant starch content of cyperus esculentus by ultra-high pressure treatment and relates to the technical field of starch processing. The method comprises the following steps: (1) compounding cyperus esculentus starch and polyphenols in proportion and incubating in a 25 DEG C water bath for 30 min; (2) performing ultra-high pressure treatment on the mixture obtained in the step (1); and (3) freeze-drying the mixture after the ultra-high pressure treatment to obtain cyperus esculentus resistant starch. The cyperus esculentus starch is extracted by a wet milling and alcohol extraction method, and the steps are as follows: after washing cyperus esculentus, the cyperus esculentus is soaked in deionized water at room temperature for 12 h, then is uniformly pulped after being drained, is filtered through a 100-mesh screen, and then the filtrate is left to stand overnight; the supernatant is discarded, and the precipitate is extracted with anhydrous ethanol for 1 h, and the extraction is repeated for three times; the precipitate is collected, dried and ground to obtain cyperus esculentus starch; the solid-liquid ratio in the uniform pulping process is 1:4 (w / v); and the solid-liquid ratio in the extraction process is 1:1 (v / v). The application provides a method for improving resistant starch content of cyperus esculentus by ultra-high pressure processing, and the produced starch has strong digestibility and a more compact structure.

This invention discloses a method for preparing lithium titanate, comprising: selecting lithium carbonate and titanium dioxide, stirring in an ethanol medium to form a mixed slurry; performing temperature-controlled wet milling of the slurry to achieve nanoscale uniform mixing; subsequently performing pressure filtration, static drying, and ethanol recovery; sintering the dried precursor under programmed temperature control, followed by controlled cooling, pulverizing, and classifying to obtain a final product with a particle size ≤10μm. This invention combines liquid-phase milling with programmed sintering to achieve molecular-level uniform mixing and controllable crystallization of raw materials, effectively improving the purity, particle size uniformity, and structural stability of the product. The resulting lithium titanate material exhibits excellent electrochemical performance, long cycle life, a green and economical process, and ease of large-scale production.

This invention discloses a method for preparing a high-pressure solid lithium iron phosphate cathode material, comprising: (1) adding an iron source, a lithium source, a phosphorus source, a first carbon source, a titanium source, and a dispersant to a high-speed mixer for dry mixing, and mixing evenly to obtain a dry powder; (2) pre-sintering the dry powder under an inert atmosphere at a sintering temperature of 600~700℃ and a holding time of 1~8h to obtain primary precursor particles; (3) mixing the primary precursor particles with a solvent, adding a second carbon source, a titanium source, and a lithium source, and transferring the mixture to a sand mill for wet milling to obtain a wet milling slurry; (4) transferring the wet milling slurry to a spray dryer to obtain secondary precursor particles; (5) performing secondary sintering of the secondary precursor particles under an inert atmosphere at a sintering temperature of 750~850℃ and a holding time of 2~10h to obtain the high-pressure solid lithium iron phosphate cathode material. By adjusting the process, optimizing parameters, and designing wet milling feed, a method for preparing lithium iron phosphate with synergistic improvement in high compaction density and electrochemical performance is achieved, thus addressing the pain points of existing technologies.

This invention discloses a slurry-like admixture with reinforcing and slump-retaining functions, its preparation method, and its application. Using zeolite and water as main raw materials, and with the aid of a polymerization precursor, ammonium persulfate, and a grinding aid, this invention prepares a slurry-like admixture with reinforcing and slump-retaining functions through wet milling and in-situ polymerization. When the slurry-like admixture with reinforcing and slump-retaining functions prepared according to this invention is used in cement concrete at a dosage of 5%-10%, the fluidity of the cement paste increases by 30% after 1 hour, by 20% after 2 hours, and shows no loss after 3 hours; the compressive strength increases by 5% after 1 day, and does not decrease after 28 days.