112results about How to "High quality content" patented technology

The present invention provides a method and device for producing a content filling bottle including a bottom part that is inverted between a concave shape and a convex shape to prevent a body part from being subjected to reduced pressure deformation, the method and device being capable of efficiently producing a sanitary and high-quality content filling bottle. Contents are filled into an empty bottle 1 with an inversion part 11 projecting outwardly from the body part. A cap 6 is fitted onto an opening of the bottle 1 to seal the bottle 1. An auxiliary tool 27 is then installed on the bottom part 5 of the bottle 1. Then, the bottom part of the bottle 1 with the auxiliary tool 27 installed thereon is supported via the auxiliary tool 27. The downwardly projecting inversion part 11 is pressed up so as to be inverted and recessed inwardly into the bottle 1. Subsequently, with the opening of the bottle 1 gripped, the auxiliary tool 27 is separated from the bottle 1.

A content delivery network (CDN) is enhanced to enable mobile network operators (MNOs) to provide their mobile device users with a content prediction and pre-fetching service. Preferably, the CDN enables the service by providing infrastructure support comprising a client application, and a distributed predictive pre-fetching function. The client application executes in the user's mobile device and enables the device user to subscribe to content (e.g., video) from different websites, and to input viewing preferences for such content (e.g.: “Sports: MLB: Boston Red Sox”). This user subscription and preference information is sent to the predictive pre-fetching support function that is preferably implemented within or across CDN server clusters. A preferred implementation uses a centralized back-end infrastructure, together with front-end servers positioned in association with the edge server regions located nearby the mobile core network. The predictive pre-fetch service operates on the user's behalf in accordance with the user preference information.

A system integrates a DVD system and a WWW web browser. Universal Resource Locator (URL) information corresponding to sites accessible by the browser are stored in fields within the DVD data. When a user actuates a DVD element that has a corresponding URL, the web browser displays information from that site. When the user actuates an HTML menu or other browser-implemented feature, the DVD system accesses a portion of the DVD data specified in the menu. This arrangement provides for two-way communication, i.e., HTML in the browser is able to control DVD content and vice-versa. Having the WWW information embedded in the DVD brings a number of benefits, the foremost of which is the ability to write a “one size fits all” template web page that can interrogate the DVD for URL information and present WWW content corresponding to the URL synchronized with the DVD information.

The present invention is directed towards systems and methods for identifying high quality content in a social media environment. The method according to one embodiment of the present invention comprises retrieving a content item and retrieving a plurality of quality features associated with said content item wherein said quality features comprise intrinsic, usage and relationship features. The method then performs an analysis of said content item against said quality features and generates a quality score based on said analysis.

The invention discloses a heavy hydrocarbon hydrogenation combined process which comprises: (a) heavy hydrocarbon raw material and a gas-phase outflow substance from the fixed bed hydrogenation reaction are mixed and enter a boiling bed hydrogenation reactor; (b) the gas-phase outflow substance from the boiling bed hydrogenation reaction in the step (a) is subjected to hydrogen sulfide removal and then used for the fixed bed hydrogenation reaction of the gas-phase outflow substance of the boiling bed hydrogenation reaction in the step (a); and (c) the gas-phase outflow substance of the fixed bed hydrogenation reaction in the step (b) is directly used for the boiling bed hydrogenation reaction process in the step (a), and the liquid-phase outflow substance of the fixed bed hydrogenation reaction in the step (b) is fractionated to obtain a gasoline fraction, a diesel fraction and unconverted tail oil. In the combined process, the boiling bed technique and the fixed bed technique are combined by fully considering the technical characteristics of the boiling bed and the fixed bed as well as the features of the reaction materials, thereby providing a new operation mode which is flexible, efficient and energy-saving; and on the premise of ensuring the smooth operation of the device, the reaction heat is fully utilized, high product quality is provided, and the operational process can be flexibly adjusted according to the requirements of refineries.

The invention discloses a method for adsorbing and purifying oil tea polyphenols by adopting macroporous resin, belonging to the technical field of purification and separation of the oil tea polyphenols. The method comprises the following processes of: taking oil tea seeds and oil tea fruit shells after deoiling as raw materials for extracting the oil tea polyphenols, drying, then crushing, adopting an organic solvent for extracting to obtain a crude extract of the oil tea polyphenols, dissolving the crude extract of the oil tea polyphenols in water to prepare a water solution of the crude extract of the oil tea polyphenols, performing macroporous resin adsorption and desorption on the water solution of the crude extract of the oil tea polyphenols, and then performing rotary evaporation on a desorption solution to obtain a product of the oil tea polyphenols. According to the method disclosed by the invention, the oil tea polyphenols are obtained by adopting the macroporous resin to perform separation and purification, the processes are relatively simple, the using amount of the solvent is small, the obtained oil tea polyphenols have high purity, and the mass content can be as high as above 78%.

The invention discloses a hydrogenation method of a heavy hydrocarbon multi-segment fluidized bed. The technical process comprises the steps of: mixing thick heavy hydrocarbon raw materials with gas phase material flow which is discharged from a fluidized bed hydrogenation-desulfuration reactor and a hydrogenation-denitrification reactor to enter into a hydrogenation-demetalization reactor; cooling and purifying reacted gas phase material flow to be taken as recycle hydrogen; mixing the demetallized liquid phase material flow with hydrogen to enter into the fluidized bed hydrogenation-desulfuration reactor; mixing the desulfurated liquid phase material flow with hydrogen to enter into the hydrogenation-desulfuration reactor; and leading the denitrified liquid phase material flow to enter into a separating device. The technology adopts a new reactor assembly mode to machine heavy oil raw materials with high viscosity and bad quality, can provide a new flexible, high-efficiency and energy-saving operation mode, organically combines the performances of the raw materials with the characteristic of each hydrogenation reaction, makes full use of reaction heating on the premise that a device is guaranteed to be stably operated, provides a product with good quality, and can flexibly adjust the operation process according to the requirement of a refinery.

Methods for integrating an authored DVD system and a WWW web browser are described. Universal Resource Locator (URL) information corresponding to sites accessible by the browser is stored in fields within the DVD data. When a user actuates a DVD element that has a corresponding URL, the web browser displays information from that site. When the user actuates an HTML menu or other browser-implemented feature, the DVD system accesses a portion of the DVD data specified in the menu. This arrangement provides for two-way communication, i.e., HTML in the browser is able to control DVD content and vice-versa. Having the WWW information embedded in the DVD brings a number of benefits, the foremost of which is the ability to write a “one size fits all” template web page that can interrogate the DVD for URL information and present WWW content corresponding to the URL synchronized with the DVD information.

The invention provides a dietary fiber nutrient biscuit produced by utilizing clitocybe maxima stems and a preparation method thereof. The dietary fiber nutrient biscuit is prepared by using clitocybemaxima stems and flour as main raw materials and adopting the following steps of adding and mixing white granulated sugar, palm oil, starch, ammonium bicarbonate, sodium bicarbonate, table salt, flavoring agent and water, rolling, standing still, molding, baking, injecting oil, cooling and finishing. The invention improves the protein content of the biscuits by directly utilizing the high-qualityedible fungus protein of the clitocybe maxima stems without adding high-fat and high-cholesterol animal proteins, meets the requirement on upholding the edible fungus protein of consumers at presentand also reduces high cost of the animal proteins. The invention produces the functional nutrient biscuits being rich in dietary fibers, the edible fungus protein and various biological active mineralsubstances by utilizing the characteristics of low price, high dietary fiber and high quality protein content of the clitocybe maxima stems.

The invention discloses a method for extracting alliin from garlic, which is characterized by comprising the following steps of: (1) processing a raw material, namely deactivating enzyme and grinding peeled fresh garlic; (2) mixing with water, leaching and filtering to obtain filtrate; (3) regulating the pH value, keeping the temperature, and separating to obtain supernate; (4) making the pH value 7, separating by keeping the temperature to obtain the supernate, and regulating the pH value; (5) adsorbing the supernate by using an ion exchange resin column, resolving by using ammonia water, and collecting resolving liquor; (6) regulating the pH of the resolving liquor, and making the resolving liquor pass through a nanofiltration membrane with the pore size of 150Da to obtain filtrate; and(7) concentrating and drying the filtrate to obtain the alliin. The product prepared by the method has the alliin content of 85 to 95 mass percent; and the method has the advantages of energy conservation, high efficiency, low operating temperature, simple process, convenience in operation, light pollution and the like.

The invention discloses a potassium chloride and ammonium nitrate double decomposition and circulation method for producing high quality potassium nitrate. According to the method, potassium chloride and ammonium nitrate are taken as the raw materials, and the method comprises steps of raw material preparation, potassium nitrate crystallization, foam floatation and separation, potassium nitrate refinement, and ammonium chloride crystallization. The method is developed on the basis of conventional potassium nitrate production technology by improving part of the technology; wherein in the foam flotation and separation technology, in the presence of a floatation reagent (C12-C20 higher straight-chain aliphatic amine) and in a certain pH value range, the ammonium chloride and coarse potassium nitrate can be separated through foam entrainment; in the potassium nitrate refinement, the refined potassium mother liquid in the previous circulation is used to wash the coarse potassium nitrate, and then potassium nitrate is purified by sodium carbonate. In one aspect, the conventional potassium nitrate production technology is optimized, the potassium nitrate quality is improved, and the impurity content of the potassium nitrate product is greatly reduced. In the other aspect, the water using amount is reduced, the labor intensity is also reduced, and the production cost is saved. The industrial grade KNO3 mass content is not less than 99.7%, the content of Cl<-> is not more than 0.01%, and the content of NH4<+> is not more than 0.03%. the method has a wide application value and can generate prominent social benefit and economic benefit.

The invention relates to a protein-free momordica grosvenori pure-flavor concentrated juice and a production method thereof. The production method comprises the following steps: (1) after washing thefresh momordica grosvenori, squeezing the momordica grosvenori, extracting the pomace with ice water, and merging the juice and an ice water extract; (2) adjusting the pH value to alkaline, adding a protease preparation, performing enzymatic hydrolysis, heating and boiling the material, cooling the material, and performing centrifugation; (3) passing the material through a cation exchange resin column, and collecting an effluent; (4) passing the material through an anion exchange resin column, collecting the effluent, and concentrating the product. The concentrated juice obtained by the methodhas a protein content of less than 0.1%, a mass content of mogroside V as high as 4.53%, and a yield of up to 98%; The obtained concentrated juice is light yellow transparent and thick liquid, the smell is fragrant, the taste is sweet and saturated, no odor is generated, the sugar content is as high as 68 brix, and the sweetness is close to that of sucrose; The production method has the advantages of strong operability, safety, environmental protection and no pollution, and is suitable for industrial production.

The invention discloses puerarin-rich instant arrowroot and a preparation method thereof, and belongs to the technical field of agricultural product processing. The puerarin-rich instant arrowroot comprises the following ingredients: 80-95 parts by weight of arrowroot starch, 2-20 parts by weight of arrowroot water extract, and 0.01-0.1 part by weight of sucralose. The preparation method comprises the following steps: uniformly mixing a sucralose water solution and the arrowroot starch according to the ratio; adjusting the water content to 11-13%; performing puffing cooking, wherein the puffing temperature is 135-145 DEG C and the puffing speed is 0.5-1 m / min; drying, wherein the drying temperature is 80-90 DEG C and the drying duration is 2-5 h; smashing, and screening with a 80-100 meshed sieve to obtain instant arrowroot starch; uniformly mixing the arrowroot water extract and the instant arrowroot starch according to the ratio; pelletizing through a drying method; smashing, and screening with a 60-80 meshed sieve to obtain puerarin-rich instant arrowroot. The puerarin mass content of the instant arrowroot provided by the embodiment of the invention is larger than 15 mg / g, and the puerarin-rich instant arrowroot has a good taste, and a good appearance, and is good in instant property.

The invention relates to fruit-vegetable bean curd with abundant nutrition and a preparation process thereof. The fruit-vegetable bean curd is prepared from the following raw materials in weight percentage: the ratio of soybean to soybean oil to fruit-vegetable is 100-300 to 60-70 to 10-50. The fruit-vegetable bean curd has fresh and delicious taste, smooth and soft mouthfeel, lustrousness, attractive appearance, simple and uncomplicated raw materials, available material source, simple processing and preparing process, and short preparation flow, and is convenient to grasp and exert, has no any risk in production, transportation or storage, and has wide market prospect.

The invention relates to the field of Internet, and provides a homepage recommendation method and device. The method comprises the following steps: receiving a homepage recommendation request sent by a first client, wherein the request comprises a room identifier of a recommended live broadcasting room; judging whether the live broadcasting room meets preset recommendation conditions or not according to the room identifier; if the live broadcasting room meets the preset recommendation conditions, storing the room identifier of the live broadcasting room in a recommendation list; and when the number of room identifiers in a homepage recommendation queue is smaller than a preset number, selecting the room identifier from the recommendation list and adding the selected room identifier to the homepage recommendation queue, wherein live broadcasting rooms corresponding to the room identifiers in the homepage recommendation queue are live broadcasting rooms for homepage recommendation on a second client. The method and device has the advantages that a homepage recommendation process is simple, and a recommendation cycle is short, so that the live broadcasting rooms with high-quality contents can be recommended in time.

An online system more efficiently streams multimedia content over the Internet for play back on client devices with varying computing power and network bandwidths by generating enhanced manifest files that more efficiently identify suitable media representations of the multimedia content. Each media representation has multiple media segments according to predefined byte ranges and a manifest file, which identifies location of the media file, bitrates, resolution, byte range, total duration, and other metadata. The online system customizes a manifest file for a user based on various factors including device capacity, network connectivity type and geolocation of the user. The online system also generates manifest fetch commands, which more efficiently fetch media segments for streaming. In response to changes of streaming server and media file (e.g., increased popularity), the online system dynamically updates corresponding manifest files.

The invention discloses a multistage hydrogenation method for heavy hydrocarbon. The method comprises the following technical steps of: mixing a condensed heavy hydrocarbon raw material and a gas phase material flow discharged from a hydrogenation desulfurization reactor and a hydrogenation denitrification reactor, and putting the mixture into a boiling bed hydrogenation demetalization reactor; cooling and purifying the reacted gas phase material flow and taking the cooled and purified reacted gas phase material flow as recycled hydrogen; mixing a liquid phase material flow subjected to the boiling bed demetalization reaction and the hydrogen, and putting the mixture into the hydrogenation desulfurization reactor; mixing the liquid phase material flow subjected to the desulfurization reaction with the hydrogen, and putting the mixture into the hydrogenation denitrification reactor, wherein at least one of the hydrogenation desulfurization reactor and the hydrogenation denitrification reactor is a fixed bed reactor. Compared with the prior art, the method provides a novel flexible, efficient and energy-saving operating mode for treating inferior heavy and residual oil raw materials; the property of the raw materials is organically combined with characteristics of the hydrogenation reactions, so the reaction released heat is fully used, the quality of the product is perfect and the operation process can be flexibly adjusted as required on the premise of guaranteeing the stable operation of a device.

The invention relates to a preparation method of Trimethylsilyl trifluoromethanesulfonate, and belongs to the field of a fine chemical industry. The preparation method comprises the following specific steps: a compound of which the general formula is CF3SO2X reacts with hydroxytrimethylsilane, wherein X is Cl, F or OSO2CF3, and hydroxytrimethylsilane is used as a silicon alkylation reagent of the reaction; the reduced pressure distillation is carried out on a reaction mixture after the reaction is finished to collect Trimethylsilyl trifluoromethanesulfonate of which the mass content is higher than 99.0%, wherein the mole ratio of the CF3SO2X to the hydroxytrimethylsilane in the reaction is (1.00: 0.80) to (1.00: 1.60), the reaction time is 1 to 10 hours, the reduced pressure distillation is carried out on the reaction mixture after the reaction is finished, and the pressure is 0.005 to 0.030MPa.

The present invention provides a method and device for producing a content filling bottle including a bottom part that is inverted between a concave shape and a convex shape to prevent a body part from being subjected to reduced pressure deformation, the method and device being capable of efficiently producing a sanitary and high-quality content filling bottle. Contents are filled into an empty bottle 1 with an inversion part 11 projecting outwardly from the body part. A cap 6 is fitted onto an opening of the bottle 1 to seal the bottle 1. An auxiliary tool 27 is then installed on the bottom part 5 of the bottle 1. Then, the bottom part of the bottle 1 with the auxiliary tool 27 installed thereon is supported via the auxiliary tool 27. The downwardly projecting inversion part 11 is pressed up so as to be inverted and recessed inwardly into the bottle 1. Subsequently, with the opening of the bottle 1 gripped, the auxiliary tool 27 is separated from the bottle 1.

The invention discloses a process for producing lignin diesel. The method is characterized by comprising the following steps of: uniformly mixing the components of an emulsifier in a ratio, forcibly dispersing the uniformly mixed emulsifier and diesel by a physical means to obtain a stable dispersing system, then adding assistant emulsifier and an oil modifier in a certain ratio, injecting decolored alkali lignin aqueous solution from which impurities are removed into the system at a constant speed, continuously dispersing cyclically for certain times, taking out and naturally settling for 1 to 2 days, and filtering to obtain supernate, namely the lignin diesel. In the process, the lignin diesel is prepared from the waste lignin used as raw materials instead of partial diesel. The process has the advantages of simplicity, easiness in amplification, and industrialization and the like.

The invention discloses a preparation method of high-purity 1-deoxynojirimycin. 1-deoxynojirimycin is enriched by using ammonium cation exchange resin, and the 1-deoxynojirimycin is pulped and purified by combining anion exchange resin and a hot solvent to prepare the high-purity 1-deoxynojirimycin. The use of a high-concentration acid liquor can be avoided, so that equipment in a production workshop is prevented from being corroded by acids, the production risk is reduced, the energy consumption can be reduced, the solvent loss can be reduced, the product yield can be increased, and finally,the product with the mass content of 1-deoxynojirimycin being greater than 98.0% can be prepared.

The invention discloses a method for extracting volatile oil from usnea and simultaneously extracting usnea polysaccharide and usnic acid. The method for extracting volatile oil from usnea includes the following steps: (1) reflux extraction: crushing dried usnea, adding an organic solvent, reflux extracting, and filtering to obtain an extracting solution; (2) column chromatography separation: arranging a chromatography column filled with a filler on the extracting solution obtained in the step (1), collecting an effluent liquid, and concentrating to obtain the volatile oil. The invention further discloses a method for simultaneously extracting usnea polysaccharide and usnea acid. In the volatile oil, usnea polysaccharide and usnea acid products obtained by the method, the mass content of the volatile oil, usnea polysaccharide and usnea acid can reach 95.2%, 97.5% and 99.7% respectively, and the yield can reach 95%, 95% and 97% respectively. The method can comprehensively utilize usnearesources, has high product yield, high purity, simple process, strong operability, low cost and little pollution, so that the method is suitable for industrial production.

The invention provides a method of purifying diatom shale to prepare a diatom ooze functional filler. The method comprises following steps: grinding diatom shale ores into powder; drying powder in a drying oven until the water content is less than 5 wt%; transferring dried powder to a purification kettle, adding an acidic solution into the purification kettle, heating the purification kettle understirring until the mixed solution is boiling, maintaining the temperature for 5 to 6 hours, then cooling until the temperature is lower than 60 DEG C; filtering, washing the reaction product by water, stopping washing when the pH value of the filtrate reaches 6.0; after filtration, subjecting the filter residues to membrane filter pressing, burning the filter residues in a calcining furnace, cooling after burning; and grinding cooled substances to obtain a finished product. A chemical leaching method is adopted, the whiteness and main component contents of the product are greatly improved; the whiteness and purity of the product are high, the internal structure of diatom shale is well maintained, and the product has a wide application range.

The present invention provides a method for preparing a heat-resistant resin by using ethylene tar as a raw material, wherein a reaction with ethylene tar is performed to prepare the heat-resistant resin by using low-price dialdehyde starch to replace other high-price cross-linking agents and by using low-price lignosulfonic acid as a catalyst, the heat-resistant resin has high adhesion, the highest yield of the obtained heat-resistant resin is 96.7%, and the softening point is 123 DEG C. Compared to the resin synthesized by using p-toluenesulfonic acid as the catalyst and using terephthalyl alcohol, divinylbenzene, s-trioxane and 1,4-phthalaldehyde as the cross-linking agents, the resin prepared through the method of the present invention has the following advantages that the mass carbon residue value and the beta resin mass content are substantially improved so as to provide the new approach for the industrial utilization of the ethylene tar. According to the present invention, the prepared ethylene tar resin can be used as the binder for molding of various graphite materials.

The invention provides water soluble mineral powder fired from shellfish and / or accretionary limestone and a preparation method and application thereof. The preparation method comprises the steps that shellfish and / or accretionary limestone are / is used as raw materials and fired section by section to obtained the water soluble mineral powder, wherein at least 50-60 ppb / 5g of dissolved hydrogen is contained, and each 100 g of water soluble mineral powder contains at least 50 g of calcium. The water soluble mineral powder is fired based on the temperature and time difference, interval, frequency and the like. The water soluble mineral powder is nontoxic strong basicity powder matter, has pH of 12-13.8, is beneficial to growth of human beings, animals, plants and soil and prevents soil acidification. The water soluble mineral powder is widely applied in human being healthcare food, various food additives and antioxidants, animal and plant growth, soil improvement, water purification and other aspects.

The invention discloses a method for separating water-soluble dietary fiber and collagen from siraitia grosvenorii waste liquid, comprising the following steps: (1) adjusting the pH value of siraitiagrosvenorii production waste liquid to neutrality, adding a protease preparation, and performing heating, heat preservation and enzymolysis to obtain enzymatic hydrolysate; (2) filtering with an ultrafiltration membrane, and collecting ultrafiltration membrane permeate; (3) performing chromatography using a sephadex chromatographic column, collecting effluent, concentrating under reduced pressure,and drying to obtain water-soluble dietary fiber; (4) eluting, by using an eluent, the sephadex chromatographic column after the effluent is collected, filtering the effluent through a nanofiltrationmembrane, collecting nanofiltration membrane retentate, concentrating under reduced pressure, and freeze drying to obtain nano collagen. The mass content of the siraitia grosvenorii water-soluble dietary fiber product obtained by the method of the invention is as high as 97 percent, the yield is as high as 95.1 percent, the purity of the obtained siraitia grosvenorii nano collagen product is as high as 92 percent, and the total protein recovery rate is as high as 90.0 percent; the method of the invention is strong in operability, low in cost, and suitable for industrial production.

The invention discloses nutrient soil used for planting of ornamental tree seedlings. The nutrient soil is prepared by the following steps of S1, pretreatment S2, composting fermentation, S3, decomposing; S4, detection and S5, granulation, wherein, in the step S1, municipal domestic sludge is crushed, and the crushed municipal domestic sludge passes through a 300-500 mesh screen to remove large granules in the domestic sludge; in the step S2, deodorized sludge is dewatered to a first water content ratio, active microorganisms are added into the dewatered deodorized sludge, straw and biologicalcarbon are put into the dewatered deodorized sludge, and temperature is controlled to be first temperature and fermentation is performed for second time; in the step S3, fermented sludge prepared inthe step S2 is dewatered to a second water content ratio; in the step S4, the content of phosphorus, acid and potassium and the content of organic matter in nutrient soil are detected, and the nutrient soil is adjusted by adding lots of elements including the phosphorus, the acid, the potassium and the like; and in the step S5, the adjusted nutrient soil is put into a granulator and is made into granules. The nutrient content of the prepared nutrient soil is 2-3 times more than that of common soil; the nutrient soil is green and environment-friendly; and when the nutrient soil is used for agriculture and forestry production, production efficiency can be greatly increased, and the economic income is increased.

The invention relates to a preparation method of benzodiazothioketone serving as an intermediate of alprazolam. The preparation method comprises the following steps: performing a typical acylation reaction, a cyclization reaction and a vulcanization reaction on 2-amino-5-chloro-benzophenone (M2) serving as a raw material to obtain a benzodiazothioketone crude product (the HPLC (High Performance Liquid Chromatography) content is about 94 percent); and recrystallizing the crude product in a mixed solvent at the normal temperature to obtain a fine product of which the HPLC content is over 98.5 percent, wherein the melting point of the fine product is 238-242 DEG C (the melting range is below 3 DEG C). The preparation method has the advantages of small number of synthesis steps, mild process condition, easiness in controlling a refining method, high yield, high fine product content, controllable low production cost, reduction in environmental pollution, and contribution to industrialization.

The present invention relates to an alfalfa quality improving drying method which comprises the following steps: 1) harvesting and flattening; 2) a first turn-over; 3) a second turn-over; 4) bundling; and 5) natural air-drying or desiccant drying. The alfalfa production drying methods are different in rain or shine weather, high or low latitudes, and specific time of turn-over and turning sun-drying. According to wet and dry, and different rainfall amount in different regions, and different drying methods, the solar thermal power and wind energy in the nature are maximumly taken advantages of and thus the drying quality is ensured at the same time. By harvesting and flattening, turn-over and ventilation, bundling, and sun-drying, green drying is achieved. The produced alfalfa bundle is emerald green, has a leaf containing rate of 62-65%, is high in cellulose, protein, and carotene content, and is good in palatability and commodity.

The invention relates to a method for producing instant calcium caseinate from food-grade casein. The instant calcium caseinate with high content of calcium is produced by treating the food-grade casein which is used as the raw material, adding an emulsifier and drying. The method comprises the following steps: (1) dissolving: preparing the raw material which is the food-grade casein into a solution with the mass concentration of 4-10%, adding the food-grade aqueous ammonia slowly to adjust the pH value to 5.5-8.0, and stirring continuously to dissolve the casein; (2) converting: preparing the calcium hydroxide powder into a suspension, and adding the suspension into the solution of the dissolved casein, wherein the mass of the calcium hydroxide powder is 1.5-2.5% of that of the casein; (3) emulsifying: adding water-soluble soya bean lecithin after converting, and mixing uniformly; (4) grinding by using a colloid; (5) sterilizing; (6) homogenizing by using a homogenizer with the homogenizing pressure of 20-30Mpa; and (7) drying by spraying to obtain the finished product which is the instant calcium caseinate. The instant calcium caseinate has a pure color, good solubility and high content of protein and calcium, thereby being a good protein and calcium supplement.