2238 results about "Superfine grinding" patented technology

The invention discloses an oily diamond grinding liquid and a preparation method thereof, and belongs to the technical field of surface superfine grinding. The grinding liquid comprises the following components by weight percent: 0.001%-10% of diamond micro powder, 0.001%-20% of surface active agent, 0-20% of dispersant, 0-10% of pH value regulator, 0-10% of wetting agent and oil in balancing amount. The oily diamond grinding liquid is mainly applied to surface grinding and polishing of silicon carbide wafers, LED sapphire substrate slices, ceramic, optical fiber, dies, semi-conductor compound wafers and the like. By the use of the oily diamond grinding liquid provided by the invention, the polishing efficiency can be greatly improved; the dispersing performance is good; a uniform and stable state can be kept for a long time; the degree of finish of products polished with the oily diamond grinding liquid is high; the polishing effect is good; no ingredient harmful to human body is contained; the cleaning is easy; and the environmental protection is facilitated.

The invention discloses a method for preparing fruit juice with high anthocyanin content from vaccimium spp. fruit. The method comprises the steps that the vaccimium spp. fruit serves as a raw material; juicing is performed by pectin, cellulose and starch composite enzyme enzymolysis; residual anthocyanin in vaccimium spp. fruit residues is extracted, filtered, condensed, frozen, dried, subjected to superfine grinding, and then added to the vaccimium spp. fruit juice. The method significantly increases the anthocyanin content of the vaccimium spp. fruit juice. The method is simple in preparation technology and low in production cost, facilitates industrial production, and has higher popularization performance, and the anthocyanin content of the fruit juice is high.

The invention relates to an efficient mechanical method for peeling layered compounds, relating to a method for peeling layered compounds. The invention overcomes the disadvantages of low efficiency for peeling the layered compounds, difficulty in acquiring a large amount of 1 to 10 layers of nanometer slices, easy damage to the lattice of the layered compounds, and the like of the traditional mechanical methods for peeling the layered compounds, such as high-energy ball-milling method, sanding method, and the like. Meanwhile, the invention overcomes the disadvantage of difficult separation of superfine grinding media. In the invention, solid particles and liquid work media (or gas work media) are utilized, and the layered compounds are separated after being mechanically peeled so that the layered compounds are peeled. The invention has the advantages of high grinding efficiency, acquirement of a large amount of 1 to 10 layers of nanometer slices, no change of the lattice of the layered compounds, and easy separation of the grinding media.

The invention discloses an anti-stress anti-diarrhea growth-promotion Chinese herbal medicine feed additive for a weaned pig, which is obtained by carrying out the superfine grinding and mixing on the following components at the mass ratio: 1-5 parts of Astragalus mongholicus, 1 part of Scutellaria baicalensis, 1 part of malt, 1 part of liquorice, 1-5 parts of dangshen, 1-5 parts of poria cocos and 1-5 parts of largehead atractylodes rhizome. According to the Chinese herbal medicine feed additive disclosed by the invention, the weaned pig growth performance can be improved, and the Chinese herbal medicine feed additive has the anti-diarrhea effect; the gastrointestinal tract development of the weaned pig can be promoted; the activity of the digestive enzyme of the gastrointestinal digestive tract of the wigged pig can be improved to promote the development of the pig digestive enzyme system; the micro-ecological environment of the digestive tract of the pig can be regulated and stabilized to accelerate the pig to grow; the antioxidation function of the wigged pig organism can be improved so as to improve the compensatory capability of the wigged pig organism on external irradiation; the intestinal mucosa form of the wigged pig can be improved so as to alleviate the intestinal villus withering of the wigged pig and promote the tract of the wigged pig to restore; and the immunologic function of the intestinal mucosa of the wigged pig can be regulated.

The invention relates to a preparation method of organic modified silicate mineral clay, which belongs to the clay silicate technical field. The preparation method adopts the specific steps that a spiral classifier is utilized for primary purification, a cyclone separator is utilized for secondary purification, gravity sorting equipment is utilized for tertiary purification, flocculation and concentration, organic modification, drying and superfine grinding, and finally micropowder of organic modified silicate mineral clay with 2.5 to 6.0 average particle diameters is produced. The method realizes one step completion of the purification and modification technical processes of the silicate mineral clay, improves the quality of silicate mineral clay products, and has low requirements on the equipment; the process is simple, the condition is temperate, and the investment is low.

The invention discloses a preparation method of modified micron zero-valent iron and an application method of the modified micron zero-valent iron in remediation of heavy metal contaminated soil. The preparation method of the modified micron zero-valent iron comprises the steps of cleaning of iron raw materials, preparation of micro iron, ultrafine grinding and modifying treatment. A modifying agent composed of water, xanthan gum, sulfide, a stabilizing agent, zeolite and blast furnace slag is adopted in the step of modifying treatment. The preparation method of the modified micron zero-valent iron has the beneficial effects that the production process of the modified micron zero-valent iron is simple, and the effect similar or superior to micron zero-valent iron is achieved while the cost is reduced; and in addition, the reaction activity is controlled, the oxidation rate is decreased, excellent stability is obtained, and the acting time of the micron zero-valent iron is longer. By the adoption of the application method of the modified micron zero-valent iron, the remediation cost of heavy metal contaminated underground water is further reduced. According to the preparation method of the modified micron zero-valent iron and the application method of the modified micron zero-valent iron in remediation of heavy metal contaminated soil, organic fertilizer is added in the soil treatment process so that the fertility of soil can be improved, the structure of soil can be improved through humic acid produced by the organic fertilizer, heavy metal elements, such as lead, chromium and arsenic, in underground water can be removed, and the concentration of pollutants such as nitrate and perchlorate can be reduced.

The invention relates to a production process of germ and corn composite nutritional powder and the product of the production process, and belongs to the technical field of food processing. The production process is characterized in that mixing corn which sprouts in stress with wheat germ which is subjected to microwave enzyme inactivation; performing extrusion and superfine grinding to prepare germ and corn meal; adding carrot meal, spirulina meal, white granulated sugar, maltodextrin and vegetable fat powder into the germ and corn meal; and sterilizing and packaging to prepare the germ and corn composite nutritional powder. The production process is simple and high in industrial degree, so that the germ resource can be further utilized, corn can be completely utilized, and the additional value of agricultural products can be increased. The germ and corn composite nutritional powder produced by the production process is good in dissolubility, fine in taste and high in nutritional value, is rich in gamma-aminobutyric acid, glutathione, octacosanol, dietary fiber and other components, has the functions of improving brain functions, calming nerves, improving sleeping, resisting oxidation, delaying senescence, improving body immunity and the like, and is an ideal health-care nutritional food, wherein the content of gamma-aminobutyric acid in the product is between 20 and 60mg / 100g.

A natural composite powder for improving immunity, and preparation method and application thereof; the composite powder comprises the following raw materials in parts by weight: 1-50 parts of cabbage powder, 1-100 parts of wheat flour, and 0-50 parts of other vegetable powder and / or fruit powder. The composite powder is prepared by employing superfine grinding technology.

The invention belongs to the technical field of flour food processing, and particularly relates to a multi-grain instant noodle and a manufacturing method thereof. The preparation method comprises the following steps: multi-grain flour and high gluten wheat flour are used as main raw materials and are manufactured into the multi-grain instant noodle with modified starch, vital gluten, salts, dietary alkali, composite phosphate, and monoglyceride through processes of dough making, still standing, calendering, cutting, steaming, forming, drying and the like, wherein the multi-grain flour is a flour material sieved by a sieve of 100-150 meshes and is manufactured by one or the combination of mung beans, black soya beans, kidney beans, peas, broad beans, ormosia, maize, potatoes, and sweet potatoes being subjected to ultrahigh pressing, enzymolysis, germinating and / or superfine grinding and then drying and smashing. The multi-grain instant noodle manufactured by the method has the outstanding advantages of well nutrition and flavor, high raw material utilization ratio, low nutrient loss, good reconstitution property, modest crunch and elasticity, low fat content and the like.

The invention discloses a silicate positive electrode material for a lithium ion power battery, a preparation method thereof and the lithium ion power battery, and aims to solve the technical problems of improving the electric conductivity and cycle life of the positive electrode material. The positive electrode material of the invention uses LinMSiO4 as the matrix, a carbon material particle layer is wrapped outside the matrix, and the thickness of the carbon material particle layer is between 0.5 and 50 nanometers. The preparation method for the positive electrode material comprises the following steps: preparing precursor slurry by lithium, transition metal elements, silicon and carbon, and performing standing, superfine grinding, standing again, drying, thermal treating and fusion treating on the precursor slurry. The lithium ion power battery is characterized in that the positive electrode material uses LinMSiO4 as the matrix, a carbon material particle layer is wrapped outside the matrix, and the thickness of the carbon material particle layer is between 0.5 and 50 nanometers. Compared with the prior art, the positive electrode material has the advantages of high stacking density, high specific volume amount and good battery processing property; and the power battery made of the positive electrode material has high safety performance, magnification performance and cycle performance.

The invention belongs to the technical field of food with homology of medicine and food, and particularly relates to a preparation method of rose ferment. The method comprises the steps of separating petals, sieving, protecting color, carrying out superfine grinding, carrying out fermentation pretreatment, planting bacteria for the first time, planting bacteria for the second time, planting bacteria for the third time, finely filtering and feeding collagen to obtain rose ferment liquid. According to the method, probiotic strains which are good for the intestinal tract of a human body are selected for use, and the fermentation temperature is strictly controlled, so that the loss of effective components in roses can be effectively reduced, and the activity of the rose ferment is maintained to the utmost extent; the dominant bacteria are implanted for three times, so that the growth of other bacteria can be effectively inhibited, and the product quality is stable; lactobacillus acidophilus, lactobacillus thermophilus and lactobacillus plantarum are selected, have symbiosis performance and can be planted in the intestinal tract after being fermented in a mixed way; furthermore, the comprehensive activity of ferment products can be better improved. The prepared rose ferment has a certain prevention function for chronic diseases such as heart disease and liver disease, and has the effects of soothing the liver and activating the spleen. After being eaten for a long time, the rose ferment also has the functions of smoothing the skin, whitening the skin and beautifying the face.

The invention discloses a method for preparing fresh grosvener siraitia freeze-dried superfine powder, relates to processing technology for fruits and vegetables, and provides a method for preparing fresh grosvener siraitia freeze-dried superfine powder, which combines vacuum freeze drying technology with superfine grinding technology to protect effective components of the grosvener siraitia and realize full utilization of the grosvener siraitia. The method comprises the following steps: carrying out pretreatments such as selecting, cleaning, sterilization and the like on the fresh grosvener siraitia; putting the grosvener siraitia on a tray for prefreezing after crushing; putting the prefreezed grosvener siraitia in a vacuum environment for heating and drying at the temperature of between 40 and 120 DEG C; controlling the moisture content of the freeze-dried product to less than 6 percent; and finally, grinding the dried grosvener siraitia until the particle size of the powder reaches 10 to 40 meshes, and then carrying out superfine grinding on the powder by a superfine grinding machine until the particle size of the powder reaches less than 40 microns. Because the product is superfine powder, thus, the fresh grosvener siraitia freeze-dried superfine powder has the advantages of small powder particle, big surface area, delicate taste, quicker absorption and wider application, the superfine powder can be eaten directly, and can also be used as the raw materials of other foods, health-care products, medicaments and cosmetics.

The multifunctional superfine powder rice seed coating agent is compounded with imidacloprid and other pesticide, Seedvax and other germicide, sodium nitrophenolate compound and other plant growth regulator, trace element fertilizer and other active components as well as compound filming agent chitosan and other non-active components, and through superfine grinding and other steps. It can form film automatically while being set in water and may be used for coating rice seed for raising seedling in water, raising seedling in dry land and direct seeding, with the weight ratio between the coating agent and the rice seed being 1 to 300-600. It can prevent diseases and pests of rice seedling for 50-65 days and promote rice seedling growth.

The invention relates to the technical field of flammukinan and in particular relates to an extraction method for flammukinan. The extraction method comprises the steps of performing superfine grinding; adding water into ultrafine powder, adding cellulose for enzymolysis, and then adding pectinase and xylanase for enzymolysis; performing ultrasonic extraction; and performing concentration, alcohol precipitation, deproteinization, decoloration, dialysis and drying to obtain the flammukinan. The flammukinan is extracted through ultrafine grinding and enzymolysis combined ultrasonic extraction, so that the extraction efficiency is obviously improved, and the time is short; raw materials and energy are saved, and the activity of the flammukinan is kept; moreover, during enzymolysis by the compound enzyme, the cellulose, the pectinase and the xylanase are added in sequence, so that the extraction efficiency is improved when being compared with the extraction efficiency when the three enzymes are independently or jointly added. The invention provides the high-efficiency extraction method for the flammukinan.

A technology for manufacturing precise steel balls includes such steps as providing the light-drawn steel wire, cold forging, shaping plus soft grinding, heat treating through heating, quenching and tempering in protective gas, cooling strengthening surface, hard grinding by abrasive ceramic disc, beautifying appearance by photoelectric eddy, ageing, cold treating, and superfine grinding.

The invention discloses a method for recycling waste cathode carbon blocks of an aluminum electrolysis cell. The method comprises the following steps: 1, grinding the waste cathode carbon blocks into powder of 100-200 meshes through superfine grinding, and then winnowing the powder to separate the carbon powder from aluminum and aluminum carbide; 2, adding the fine carbon powder into water, stirring the fine carbon powder, then filtering the obtained solution, and preparing filtrate and filter residues for later use; 3, adding the filter residues in the step 2 into an aluminum sulfate solution, leaving the mixed solution to stand at normal temperature for 20-30 hours, then filtering the mixed solution, washing obtained filter residues to obtain the carbon powder with the carbon content higher than 90% and preparing filtrate for later use; 4, mixing the filtrate obtained in the step 2 and the filtrate obtained in the step 3, adjusting the pH value to be 5.5, increasing the temperature to 90 DEG C, then carrying out reaction for 3 hours to obtain flocculent hydroxyl aluminum fluoride, and carrying out filtering to obtain filter residues; and 5, calcining the filter residues obtained in the step 3 at 485 DEG C to obtain AlF3 and Na5Al3F14 and using AlF3 and Na5Al3F14 as raw materials of aluminum electrolysis. Through the method, the waste cathode carbon blocks of the aluminum electrolysis cell can be efficiently recycled.

The invention discloses a production process for wheat germ powder and belongs to the technical field of deep grain processing. Cordyceps militaris powder, walnut powder, pearl barley powder and bee pollen are adopted as auxiliary materials in the production process, wherein the mixture ratio of the cordyceps militaris powder to the walnut powder to the pearl barley powder to the bee pollen to the wheat germ powder in part by mass is 0.3-0.7 : 1.5-3 : 1.5-3 : 0.4-0.8 : 97-103. The production process comprises the steps as follows: filtering by a vibration sieve; deactivating enzyme and drying; conveying by a conveying belt; carrying out superfine grinding; sieving by an air jet sieve; carrying out three-dimensional mixing; carrying out microwave sterilization; and checking and packing. According to the production process, wheat germs are dried, subjected to enzyme deactivation, ground into ultrafine powder with fineness of 80-500 and subjected to microwave sterilization, so that the mouth feel of the wheat germ powder is improved, and the wheat germ powder with various wheat tastes and safe and reliable quality is produced.

The invention belongs to the technical field of fermentation of feeds, enzymic preparations and microorganism, in particular to a preparation method of a soluble easily-digested feed for young livestock and poultry. Impurity removal and smashing of corn, wheat and broken rice are performed, water is added into cereals to manufacture pulp, and a-amylase and glucoamylase are added to prepare enzymatic hydrolysate. Filtrate, plasma protein, lactose and the like are mixed to prepare dextrin priming. Filter residues, soya bean meal and the water are evenly mixed, then fungi are inoculated to perform anaerobic fermentation and enzymolysis, and small-peptide protein slurry is prepared through superfine grinding and defibrination. A total-nutrition solution is prepared through mixing, and emulsified liquid is prepared through filter pressing and homogeneity of a high-pressure homogenizer. The emulsified liquid is directly packed into a paste or liquid feed, or is manufactured into a powder feed through absorption of extruded corns and drying of a tube bundle dryer, or is manufactured into a small-pellet feed through the drying of a spray dryer after tempering is performed by adding the water. The feed is rich in short-chain dextrin, glucose, oligosaccharide, small peptide, lactic acid and probiotics and has the advantages of being balanced in amino acid, high in nutrition, easy to digest, good in palatability, low in antinutritional factor content and the like.

The invention discloses a production method of instant burdock flavor powder, belonging to the filed of food. The invention uses fresh burdock as a main raw material and maltodextrin, sucrose, milk, cocoa powder, fruit and vegetable and the like as accessories; the raw materials are selected, washed, peeled off, washed, dipped for color conserve, sliced, preliminary cooked for sterilization, smashed, coarsely grinded, homogenized by high-shearing, decomposed by enzyme and the like, and then the obtained product is blended, homogenized by high-shearing, dried by spraying, cooled, packed and the like to obtain the instant burdock flavor powder. The invention is characterized by combining the methods of enzymic reaction and high-shearing homogenizer wet superfine grinding for processing burdock, thus enhancing the fineness of burdock fiber, increasing the instant ability of the product. The invention adopts spray drying for evaporation of water at low drying temperature, therefore, the burdock flavor powder of the invention enjoys good instant ability and color and low waste of nutrient components. Compared with the existing dry ground which is used in the production of instant burdock flavor powder, wet grinding can save electricity by over 10% and steam by over 30% in producing a ton of the product.

The invention provides a method for preparing agaricus bisporus powder and application thereof, and belongs to the technical field of food processing. The method comprises the following steps of: cleaning fresh agaricus bisporus, chopping the agaricus bisporus into pieces, soaking the agaricus bisporus pieces in color protecting solution of sodium D-isoascorbate, sodium sulfite and citric acid, drying and dehydrating the agaricus bisporus pieces by blowing air, and superfine grinding the dehydrated agaricus bisporus pieces to obtain the agaricus bisporus powder. The agaricus bisporus powder can be used to prepare noodles, bean strips, breads, biscuits and various puffed food.

The invention discloses a suckling pig creep feed mixed feed which consists of the following raw materials in percentage by mass: national standard level-1 corn, national standard level-1 wheat, extruded full-fat soybean, extruded dehulled soybean meal, concentrated soybean protein, defatted fish meal, high-protein whey powder, edible glucose, high-quality soybean oil, coconut oil, calcium lactate, feed grade calcium hydrophosphate and gunk. The mixed feed is prepared by employing the production process of superfine grinding, mixing, pelletizing, cooling, grading and packaging. According to the suckling pig creep feed mixed feed, the conventional problems of low suckling pig creep feed protein, little suckling pig feed intake, high feed conversion ratio and slow weight increase within 10 days after breast-feed and ablactation are solved, the plasma proteins, intestinal membrane proteins and other protein raw materials homologous with pig organisms which bring danger of porcine virus diseases and the risk of possibly influencing and changing porcine biogenic genes are avoided, the suckling pig feed intake and daily gain are improved, and the feed conversion ratio is reduced.

The invention discloses a method for preparing a black fungus puffed ultramicro powder. The method includes selecting black fungus sporophores to serve as a raw material, puffing black funguses by an instantaneous alternating temperature and pressure difference of a puffing tank of a puffing device, maintaining a valve between the puffing tank of the puffing device and a vacuum tank to be in an opening state all the time, subjecting the black funguses in the puffing tank to a vacuum drying, and subjecting the puffed black funguses to a coarse grinding and a superfine grinding to obtain the black fungus puffed ultramicro powder. According to the method, a high pressure gas serves as a carrier, by means of a puffing wall breaking process, a black fungus organization structure is subjected to a cytoclasis to release whole nutritional ingredients and medicinal effect ingredients which are easy to digest and use by human bodies, and problems that the black funguses are hard and not suitable for being chewed, digested and used are solved. Besides, when the black fungus puffed ultramicro powder can be mixed with foods of flours, cakes and the like, the black fungus puffed ultramicro powder has flavor and nutrition of the black funguses, and smoothing taste is increased. The method is low in production cost and suitable for industrialization production, and products are used for foods, health care foods, medicines and raw material extraction.

The invention relates to a preparation method of an inorganic composite white pigment with high covering power. The method comprises the steps of: taking titanium white powder and white mineral powder or composite white mineral powder as raw materials; taking a wet ultrafine stirring grinder or a sand miller as a compound device; performing segmented wet ultrafine grinding and compounding to the titanium white powder and the white mineral powder by adding a certain quantity of pH adjusting agent and dispersing agent; and drying and mechanically dispersing and depolymerizing size after ultrafine grinding and compounding to prepare the inorganic composite white pigment which can be used by replacing the titanium white powder, wherein the performance indexes such as the granularity, the whiteness and the covering power, and the like, of the inorganic composite white pigment are as the same as or similar with the granularity, the whiteness and the covering power of the titanium white powder. The method has simple preparation technology, lower preparation cost and cleaning preparation process.

The invention discloses a preparation method of a superfine grinding composite nutrient whole wheat flour and relates to the food processing field; the invention solves the problems that the existing whole wheat flour which is formed by the following steps that the wheat is ground directly or wheat bran separated is ground again and then reduced into the flour has a large amount of residue, the size of the ground granule is not ideal and the high temperature generated in the grinding leads the ground materials to be modified so as to cause poor taste, and the like; the preparation method takes the wheat as raw materials and comprises the following steps of clearing and wetting the wheat, purifying the wheat and tempering, removing the skin, drying, sterilizing, fine grinding with high efficiency, preparing composite homogenerous matters, sterilizing a storage bin, measuring and packing; the superfine grinding composite nutrient whole wheat flour produced by the preparation method has smooth and fine taste, reasonable nutrition proportion and safe and reliable eating, saves the resources and further improves the additional value of products.

The invention relates to a Chinese caterpillar fungus instant tea which comprises the raw materials in parts by weight: 20-40 parts of cordyceps fruiting body, 5-15 parts of sealwort, 10-20 parts of medlar, 10-20 parts of puerarin, 10-20 parts of poria cocos, 5-10 parts of lotus seeds, 5-10 parts of ginseng or American ginseng and 40-50 parts of isomalto-oligosaccharide. The Chinese caterpillar fungus instant tea is prepared by carrying out water extraction or superfine grinding on the raw materials, mixing and pelleting. The Chinese caterpillar fungus instant tea is a solid instant drink which has the functions of improving the immunity, protecting the cells of liver and kidney, regulating the intestinal flora, promoting the proliferation of bifidobacterium, improving gastroenteric function and the like for the middle-aged and elderly people and the organism with sub-health state.

The invention relates to a mineral processing technology by utilizing the grade difference of potassium feldspar. The mineral processing technology comprises the following steps that (1), potassium feldspar raw ore is mined and sorted in a separated mode according to the three classes of low-grade potassium feldspar ore, medium-grade potassium feldspar ore and high-grade potassium feldspar ore; (2), the mineral processing processes of crushing, washing, grinding for grading, desliming, and magnetic separation for deep iron removal are carried out on the low-grade potassium feldspar ore; (3), the mineral processing processes of crushing, washing, grinding for grading, desliming, flotation for mica removal and iron removal, flotation for separating feldspar from quartz, and magnetic separation for deep iron removal are carried out on the medium-grade potassium feldspar ore; (4), the mineral processing processes of crushing, washing, grinding for grading, desliming, magnetic separation for deep iron removal, wet superfine grinding and screening are carried out on the high-grade potassium feldspar ore. The different mineral processing technical schemes are adopted for the potassium feldspar ore of different grades, and the purposes of being free of environmental pollution, simplifying the production processes and efficiently developing and utilizing resources are achieved.

The invention relates to a trepang capsule and a preparation process thereof. The trepang capsule is composed of 500-1000 parts of trepang, 50-100 parts of rhodiola root, 50-80 parts of mulberry leaf, 50-80 parts of Chinese wolfberry; 50-80 parts of hawthorn, 50-80 parts of Chinese date, 10-20 parts of fructus momordicae, 50-80 parts of calcium gluconate, and 50-80 parts of vitamin C. The preparation process comprises the following eleven steps: raw material purification, vacuum freeze drying, coarse cracking, superfine grinding, microwave auxiliary enzymolysis, enzyme deactivation, filtration, desalting, auxiliary seasoning processing, material proportioning and pelletization, as well as sterilization and packing. The obtained trepang capsule is reasonable in formulation composition, and stable in property, has blood sugar decreasing and blood pressure reducing efficacy, and is especially prominent in blood fat reducing efficacy.

The invention relates to an instant green tea powder processing method which comprises the following steps of: killing out fresh tea leaves by adopting a vacuum microwave method, carrying out superfine grinding after deep freezing, extracting and superfinely filtering by adopting secondary vacuum ultrasonic wave, and freezing and drying to obtain the instant green tea powder. The killing, extraction and drying steps are completed under a vacuum condition, and the action temperature is low, so that the oxidation of effective ingredients in fresh tea leaves can be effectively avoided; and vacuum ultrasonic extraction after freezing and superfine grinding ensures the full leaching of the effective ingredients. The product produced by the processing method has the advantages of high production efficiency, good product color, fresh taste, good dissolvability, incapability of generating tea cream and the like.

The invention disclose a single-channel single-race bearing superfine grinding machine including a machine frame with an operating desk, as well as a workpiece seat, a grinding device and a material loading device which are arranged on the operating desk, wherein the workpiece seat includes four rollers which are arranged by groups of two, so as to form a race grinding service position and a channel grinding service position; the grinding device includes a race grinding device which is used for race processing and arranged corresponding to the race grinding service position, and a channel grinding device which is used for channel processing and arranged corresponding to the channel grinding service position; the material loading device includes a portal frame arranged athwart above the workpiece seat, first and second traverse motion mechanisms arranged on the portal frame, as well as first and second manipulators which are respectively connected with the first and the second traverse motion mechanisms, wherein the first manipulator is used for sending a workpiece to the race grinding service position, and the second manipulator is used for sending the workpiece from the race grinding service position to the channel grinding service position. The single-channel single-race bearing superfine grinding machine has the advantages of fully automatic running, precise processing and so on.