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51results about How to "Fast extraction time" patented technology

Multiple-magnetron type large-capacity microwave-assisted extraction machine and microwave-assisted extraction method thereof

The invention discloses a multiple-magnetron type large-capacity microwave-assisted extraction machine and a microwave-assisted extraction method thereof, belonging to the field of biological raw material extraction equipment and an extraction method. The multiple-magnetron type large-capacity microwave-assisted extraction machine comprises a rack, a transmission device, a microwave tank, a microwave device, an air-entrapping device, a rotor device, a discharging device and a control device, wherein a plurality of magnetron installing holes uniformly and equidistantly distributed are formed in the wall of the microwave tank; the microwave device comprises a plurality of high-frequency magnetrons which are uniformly and equidistantly arranged on the wall of the microwave tank, and the high-frequency magnetrons are connected with an external power source; the air-entrapping device comprises a plurality of compressed air inlets formed in the wall of the microwave tank, a compressed air input pipeline and a plurality of electromagnetic valves; the rotor device comprises a rotating shaft and a plurality of stirring wings which are fixed on the rotating shaft and form certain crossing angles with the rotating shaft. The multiple-magnetron type large-capacity microwave-assisted extraction machine has the advantages that feed liquid in the microwave tank continuously runs and interchanges, an extractive is uniformly subjected to the action of an electromagnetic field to be heated, the extraction rate is increased, and the extraction time is shortened.
Owner:永州中农银杏开发有限责任公司

Key evidence extraction method for text prediction result

The invention discloses a key evidence extraction method for a text prediction result, and relates to a key evidence extraction method for a text prediction result. The objective of the invention is to solve the problem that in the prior art, when key evidence capable of explaining a prediction result is extracted from a text, evidence searching is dependent on manual annotation. The method comprises the following steps: 1, obtaining a sentence level vector; 2, taking an average value of the sentence level vectors as an initial value of an external storage unit; 3, obtaining an updated external storage unit corresponding to the first sentence level vector; obtaining the document level vector until a final external storage unit corresponding to the nth sentence level vector is obtained; 4,outputting the probability of each category of the document; 5, obtaining a trained hard extraction network model; inputting the to-be-classified documents into the trained hard extraction network model to obtain the probability that the to-be-classified documents are divided into various categories and a sentence set that the documents are divided into the categories. The method is applied to thefield of evidence extraction of text prediction results.
Owner:HARBIN INST OF TECH

Ultrasonic extraction tank with stirring device

The invention discloses an ultrasonic extraction tank with a stirring device and belongs to the technical field of traditional Chinese medicine pharmaceutical equipment. The ultrasonic extraction tank is characterized by comprising a tank body, a heating jacket, an ultrasonic generation mechanism and the stirring device. A tank cover is arranged on the upper portion of the tank body, a feed inlet and a secondary steam discharge hole are arranged in the tank cover, and a slagging door is arranged at the bottom of the tank body. The heating jacket is arranged in the middle of the tank body. The ultrasonic generation mechanism is arranged on the outer wall of the tank body. The stirring device comprises a motor, a reducer, a reducer bearing seat, a stirring shaft and a spiral plate, wherein the motor is in transmission fit with the reducer, the motor and the reducer are arranged on the reducer bearing seat, the reducer bearing seat is fixed on the tank cover, the upper end of the stirring shaft passes the tank cover to extend out of the tank body to be connected with the output shaft of the reducer while the lower end of the same is supported at the bottom inside the tank body, and the spiral plate is arranged in the middle of the stirring shaft. By the arrangement, the ultrasonic extraction tank has the advantages that speed of materials is increased, extraction time is shortened, energy consumption is reduced, the effect that heat penetrates the materials is improved, dissolution rate of the effective components in the materials and utilization rate of raw materials are increased, and yield is increased.
Owner:JIANGSU SHAJIABANG CHEM EQUIP

Extraction technology of folium artemisiae argyi volatile oil

The invention discloses an extraction technology of folium artemisiae argyi volatile oil. The technology comprises the steps that 1, folium artemisiae argyi is cleaned thoroughly, impurities are removed, and low-temperature drying and smashing are performed to obtain folium artemisiae argyi powder; 2, warm water is added into the folium artemisiae argyi powder till the folium artemisiae argyi powder is soaked to be expanded, and freezing treatment is performed at the temperature of subzero 6 DEG C to 0 DEG C for 2-3 h; microwave defrosting is performed on the frozen folium artemisiae argyi powder; 3, water with the weight 10-15 times that of the folium artemisiae argyi powder is added into the defrosted folium artemisiae argyi powder for soaking for 5-10 h, then, steam distillation is performed on the folium artemisiae argyi powder and the soaking solution, distillation is performed for 5-8 h, and a distillate is collected; standing, cooling and layering are performed on the distillate, and then an upper oil layer is obtained and is the folium artemisiae argyi volatile oil. According to the extraction technology of the folium artemisiae argyi volatile oil, freezing-microwave defrosting pretreatment and a steam distillation steam method are combined, volatile oil in folium artemisiae argyi is extracted, the cost is low, operation is simple, the extraction time is short, and the volatile oil extraction rate is high.
Owner:安徽益健堂中药饮片科技有限公司

Method for extracting high-purity crambe abyssinica seed oil and cream containing crambe abyssinica seed oil

The invention belongs to the field of natural products extraction, and concretely relates to a method for extracting high-purity crambe abyssinica seed oil and a cream containing the crambe abyssinica seed oil. According to the invention, the crambe abyssinica seed oil can be extracted by using a microwave radiation method, the method comprises the following steps: 1) accurately weighing a certain amount of crambe abyssinica seeds and placing the crambe abyssinica seeds in a container, adding a certain amount of an extraction solvent, extracting the crambe abyssinica seeds under certain microwave power to obtain a mixture; 2) filtering the mixture, performing rotating separation on a filtrate on a rotary evaporator, removing the extraction solvent to obtain a residual substance crambe abyssinica seed crude oil; 3) placing the crude oil in a fixed container, adding sodium hydroxide for boiling the material, washing the material by warm water until the material presents neutrality; and 4) performing adsorption decoloring on the crambe abyssinica seed crude oil obtained in the step 3) and filtering the crambe abyssinica seed crude oil, and obtaining the filtrate which is the crambe abyssinica seed oil. The extraction technology is simple, and purity of the obtained crambe abyssinica seed oil is high. The invention also discloses an application of the crambe abyssinica seed oil in the cream.
Owner:OPAL COSMETICS HUIZHOU

Preparation method and application of rhizome traditional Chinese medicinal material decocting-free preparation

The invention belongs to the technical field of traditional Chinese medicine preparation, and in particular relates to a preparation method and application of a rhizome traditional Chinese medicinal material decocting-free preparation. The preparation method comprises the following steps: performing steam explosion wall-breaking treatment on a rhizome traditional Chinese medicinal material; then extracting active ingredients by adopting a manner of combination of ultrasonic assisted alcohol extraction and ultrahigh pressure extraction; then performing microfiltration treatment by adopting a ceramic membrane; and finally, performing concentration, drying and nano pulverization to obtain the rhizome traditional Chinese medicinal material decocting-free preparation. The preparation can be used for preparing a traditional Chinese medicine compound preparation containing the rhizome traditional Chinese medicinal material or a rhizome traditional Chinese medicinal material extract. By adopting the preparation method, the problems of low raw material utilization ratio, incomplete extraction of active ingredients and low extraction efficiency of a conventional method for extracting traditional Chinese medicinal materials are solved, the whole process flow is simple to control and is green and environment-friendly, and all process steps achieve a synergistic effect, so that the preparation method provided by the invention is higher in extraction efficiency, the active ingredients are effectively protected, and the utilization degree of the rhizome traditional Chinese medicinal material is improved.
Owner:HENAN XINGZHI PATENT SERVICE CO LTD

Nutrient soil with broad-spectrum insecticidal property and good water retention capacity and preparation method of nutrient soil

The invention relates to nutrient soil with broad-spectrum insecticidal property and good water retention capacity. The nutrient soil is characterized by being prepared by the following steps: firstly extracting and separating sophocarpidine by virtue of an ultrasonic extraction-microwave extraction combined technique and trichloromethane extraction; and then carrying out microwave heating on attapulgite, vermiculite and zeolite so as to increase effective apertures of the attapulgite, the vermiculite and the zeolite, and introducing the sophocarpidine into the apertures of the attapulgite, the vermiculite and the zeolite; and finally carrying out cross-linking polymerization on acrylamide, as a monomer, and the attapulgite, the vermiculite and the zeolite under the catalysis of potassium persulfate, so as to obtain spatial reticular inorganic mineral-polymer particles, namely the nutrient soil with the broad-spectrum insecticidal property and the good water retention capacity. The nutrient soil disclosed by the invention has the broad-spectrum insecticidal property, is capable of improving a soil structure, improving soil organic matters and adjusting a soil microenvironment and is applicable to plantation of flowers and nursery stocks.
Owner:孙志廷

Method for preparing ultrasonic extracted Chinese medicinal preparation for treating qi deficiency

The invention discloses a method for preparing an ultrasonic extracted Chinese medicinal preparation for treating qi deficiency, which belongs to the technical field of traditional Chinese medicaments. The method comprises the following steps of: crushing ginseng into coarse powder, putting the coarse powder into an ultrasonic extractor, adding 30 percent ethanol in an amount which is 3 times weight of the coarse powder, starting ultrasonic equipment at a temperature of between 20 and 25 DEG C, performing ultrasonic treatment for 40 minutes, filtering, reclaiming the ethanol, concentrating the filtrate to original amount, adding the ethanol in an amount which is 3 times weight of the concentrate, stirring, standing, taking the supernate, reclaiming the ethanol, and concentrating the supernate to 100ml; and adding sodium benzoate, stirring the solution uniformly, regulating the ethanol content to be 20 to 30 percent, standing at a temperature of between 5 and 10 DEG C, taking the supernate, filtering the supernate, adding water till 1,000ml, standing for 7 days at a temperature of between 5 and 10 DEG C, taking the supernate, filtering the supernate, and packing the supernate to obtain the preparation. By adopting the advanced ultrasonic extraction technology, the effective ingredients based on ginsenoside in the preparation are obviously improved, the quality and the curative effect of the medicament are improved, the clinical effect of the preparation is improved, the yield and the purity of the product are improved, the cost is saved, and the method is suitable for large-scale production operation.
Owner:TONGHUA YUSHENG PHARMA

Microwave extraction method of steroid saponin from puncturevine

The invention provides a microwave extraction technology for steroid saponins in caltrops, which comprises the following steps: weighing caltrop sample and placing the caltrop sample into a microwave extraction bottle, adding alcohol in the microwave extraction bottle, placing the microwave extraction bottle in a MAS-II type normal-pressure microwave-assisted synthesis/extraction reaction instrument for extraction, performing decompression filtration to an obtained extract, and then evaporating a solvent on a rotary evaporator to obtain a crude extract of the steroid saponins of the caltrops; adopting a HCl solution to hydrolyze the steroid saponins extracted by microwave, obtaining sapogenins corresponding to the steroid saponins of the caltrops after the hydrolysis, dissolving the saponins with chloroform, and then filtering the saponins for GC-MS detection. The technology adopts a microwave-assisted hot reflux method to extract the steroid saponins of the caltrops, combines a gas chromatography mass spectrometry to detect steroidal sapogenins of the caltrops, ensures that the pretreatment is simple and convenient and the operation is simple by optimizing extraction conditions, has high extraction efficiency, and is environment-friendly and nontoxic.
Owner:FUZHOU UNIVERSITY

Extraction method and application of fish skin collagen

PendingCN112760351AOvercoming low extraction ratesThe technical method is simple and feasibleConnective tissue peptidesPeptide preparation methodsFresh water fishType I collagen
The invention belongs to the technical field of collagen extraction, and particularly relates to an extraction method and application of fish skin collagen. The invention provides a method for rapidly extracting non-denatured fish skin collagen, which solves the problem of waste of freshwater fish processing byproducts and overcomes the defects of low extraction rate and long extraction time of the traditional collagen extraction method. The technical method disclosed by the invention is simple and feasible, short in extraction time and high in extraction efficiency, most importantly, the integrity of collagen macromolecular structures is ensured, and the extraction time is greatly shortened compared with other methods. According to the extraction method, the collagen is subjected to ultrasonic treatment before being extracted by a traditional acid-enzyme combination method, so that the natural activity of extracted fish skin collagen molecules is ensured, and the fish skin collagen obtained by measurement keeps the natural structure of type I collagen and is non-denatured type I collagen. The method is simple to operate, lower in energy consumption, high in extraction efficiency and easy to amplify and apply to production.
Owner:HUAZHONG AGRI UNIV
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