6165results about "Solid solvent extraction" patented technology

The invention relates to the technical field of process data optimization, and discloses a traditional Chinese medicine extraction process optimization method and system based on dynamic countercurrent extraction and a medium. The method comprises the following steps: carrying out online monitoring data processing on a traditional Chinese medicinal material digital feature data set and a dynamic countercurrent extraction parameter initial data set to obtain a countercurrent extraction process real-time monitoring data stream and parameter associated data, and carrying out multi-dimensional parameter optimization processing; a dynamic countercurrent extraction process optimization parameter group is obtained and is analyzed and processed in real time, and an automatic parameter regulation and control instruction sequence and process abnormity early warning data are obtained; and performing quality characteristic data processing on the extract after execution of the automatic parameter regulation and control instruction sequence to obtain a process quality evaluation data set and a process tracing data set, and performing association analysis processing to obtain a dynamic countercurrent extraction process parameter optimization rule base. According to the invention, intelligent monitoring and automatic parameter optimization of the extraction process are realized, so that the accuracy and controllability of the traditional Chinese medicine extraction process are improved.

A ternary deep eutectic solvent (TDES) system for a biomolecule (for example, chitin) recovery from a biomass (for example, seafood waste), and the method of preparation of ternary deep eutectic solvent (TDES) system, and a process to differentiate / extract / recover biomolecules (such as chitin) from a biomass (such as seafood waste).

The invention relates to the technical field of plant extraction, in particular to an intelligent plant extraction control method and system, and the method comprises the following steps: based on historic plant extraction data, including temperature, pressure and pH value during extraction, analyzing the long-term trend of parameters, predicting the requirements of plant extraction conditions by simulating parameter reactions under various conditions, and obtaining a plant extraction result; and obtaining a parameter prediction result. According to the method, long-term trend prediction of parameters such as temperature, pressure and pH value is realized through analysis of historically recorded plant extraction data, so that the parameters of extraction equipment are adjusted in advance, changes of different plant materials and environmental conditions are effectively adapted, the extraction efficiency is optimized, and by dynamically simulating the expression of the extraction efficiency in various time periods, the extraction efficiency is improved. According to the innovative scheme, an optimal extraction time window is mined, resource consumption and extraction time in the extraction process are reduced, and meanwhile the quality and consistency of extracts are kept.

The invention provides a process for preparing various nutritional ingredients from oats, and relates to the technical field of deep processing of oats. The process comprises the following steps: crushing and sieving oats to obtain oat bran; the method comprises the following steps: extracting oat bran through a supercritical extraction technology to obtain pretreated oat bran and an extract, and carrying out gradient membrane treatment and membrane ultrafiltration on the extract to obtain oat oil; extracting the pretreated oat bran through continuous sectional extraction equipment; after first-stage protein extraction, second-stage dextran extraction, third-stage immobilized enzymolysis and fourth-stage filler decoloration, the materials enter a system balance tank, and membrane separation and concentration are performed to obtain the oat beta-dextran. According to the invention, various nutrient substances such as oat beta-glucan, oat protein, oat oil and the like can be extracted at the same time, the defects in the prior art are overcome, the automation degree is high, and energy conservation and emission reduction are realized.

The invention belongs to the technical field of condiment production, and particularly relates to a condiment processing and extracting device and a condiment processing technology.The extracting device comprises an extracting mechanism, a first filtering mechanism, a second filtering mechanism, a residue discharging mechanism and a solvent recycling mechanism, and the extracting mechanism comprises an extracting tank and a control valve block; the control valve block is arranged at a discharging port in the lower end of the extraction tank, the first filtering mechanism is installed on the second filtering mechanism and connected with the control valve block through a pipeline, the second filtering mechanism is connected with the solvent recycling mechanism through a pipeline, and the slag discharging mechanism is installed on the first filtering mechanism and connected with the solvent recycling mechanism through a pipeline. Through cooperation of the combined filter screen and the liquid inlet assembly, the filtering efficiency is effectively improved, the technical problems that the production period is prolonged and the content of residual solids is high are solved, and through cooperation of the control valve block and the first filtering mechanism, the dynamic continuous separation function can be achieved.

The invention relates to the technical field of intelligent control, in particular to a traditional Chinese medicinal material extraction intelligent control system which comprises a heat energy distribution control module, a pressure environment optimization module, a solvent dynamic adjustment module, an extraction abnormity intervention module and a component extraction quality improvement module. According to the invention, by dynamically adjusting heat energy output, pressure distribution and solvent flow velocity, accurate control of key parameters in the extraction process of traditional Chinese medicinal materials is realized, uniform distribution of heat energy is ensured, extraction efficiency and quality are optimized, the system is adjusted according to the change of pressure gradient, the adaptive capacity to the fluctuation of extraction conditions is enhanced, and the extraction efficiency is improved. The flexibility and overall stability of the system are improved, the use efficiency of the solvent is improved through fine solvent adsorption and diffusion regulation and control, the solvent is promoted to uniformly act on the traditional Chinese medicinal materials, the extraction rate and uniformity of effective components are improved, the solvent distribution and concentration are rapidly adjusted when temperature fluctuation or pressure deviation occurs, and the abnormal response capability is enhanced. And the continuity of the extraction process and the product consistency are ensured.

The invention provides equipment for extracting lithium from electrolytic aluminum slag and a process for extracting lithium and co-producing cryolite, and relates to the technical field of solid waste treatment, the equipment comprises a bottom plate, a heating tank, an extracting tank, a filtering tank, a top cover, a driving mechanism, a switching mechanism and a mixing mechanism; the heating tank is installed on the upper surface of the bottom plate, the extraction tank is installed inside the heating tank, the filtering tank is installed inside the extraction tank, the top cover is installed on the upper surface of the filtering tank in a sealed mode, and a liquid inlet pipe and a feeding pipe are installed inside the top cover. According to the scheme, the conical mixing barrel and the linkage overturning type material mixing plate are adopted, the material mixing plate can overturn caustic soda flakes into the electrolytic aluminum slag, then the caustic soda flakes and the electrolytic aluminum slag are mixed through the material mixing rod, it can be guaranteed that the caustic soda flakes can be evenly mixed with the electrolytic aluminum slag through the design, and it is guaranteed that the caustic soda flakes can be well attached to the surface of the electrolytic aluminum slag; and rapid overheating can be avoided when the subsequent caustic soda flakes are contacted with water, so that the filter tank works more stably and safely.

The invention discloses a green processing technology of sea cucumber powder capable of realizing directional enrichment and improving polysaccharide release rate, and belongs to the field of food processing. The sea cucumber powder is prepared by the following steps: S1, pretreating sea cucumbers; s2, enrichment of nutrient substances of the sea cucumbers; s3, regulating and controlling the particle size of the sea cucumber powder; s4, performing'single 'supercritical treatment; s5, carrying out in-situ ultramicro physical crushing; and S6, performing'dual 'supercritical treatment. Through the design of the gas disperser and the additional arrangement of the second hole disc, the supercritical extraction instrument can perform effective supercritical carbon dioxide extraction on the ultramicro sea cucumber powder, the deodorization of the ultramicro sea cucumber powder is realized, and the eating quality of the ultramicro sea cucumber powder is improved. Moreover, by detecting and regulating the stacking density and the tap density, optimal processing parameters for the ultramicro sea cucumber powder are found, so that the prepared ultramicro sea cucumber powder is high in polysaccharide release rate, good in eating quality and easy for subsequent processing.

The preparation method comprises the following steps: S1, crushing cordate houttuynia rhizomes, adding the crushed cordate houttuynia rhizomes into a mixed acid aqueous solution, and carrying out immersion treatment to obtain a cordate houttuynia mixed solution; s2, adjusting the pH value of the herba houttuyniae mixed solution to 4-5, adding pectinase, carrying out primary enzymolysis and enzyme deactivation, adjusting the pH value to 6-7, adding compound enzyme, carrying out secondary enzymolysis and enzyme deactivation, so as to obtain an enzymatic hydrolysate; s3, menthol is added into the enzymatic hydrolysate, water extraction is conducted, and water extract and filter residues are obtained; s4, the filter residues are added into ethyl alcohol, then salicylic acid and diacetyl tartaric acid ester of mono (di) glycerides are added, alcohol extraction and filtering are conducted, and an alcohol extraction solution is obtained; s5, mixing the water extract with the alcohol extract, and performing reduced pressure distillation to obtain the herba houttuyniae extract. According to the method, the extraction rate of polysaccharide and flavone in houttuynia cordata can be effectively increased, and meanwhile, the prepared houttuynia cordata extract has better oxidation resistance and has a good application prospect.

The invention discloses a gas positive pressure type solid-phase extraction device and an extraction method, and relates to the technical field of solid-phase extraction devices. A gas positive pressure type solid-phase extraction device comprises a base and further comprises a first supporting column and a second supporting column which are both rotationally installed on the base, an upper rotary disc and a lower rotary disc are longitudinally installed on the first supporting column in a sliding mode, a plurality of placing holes are formed in the upper rotary disc and the lower rotary disc, and the first supporting column and the second supporting column are arranged on the base. An upper bottle body and a lower bottle body are inserted into the two sets of containing holes respectively, an opening and closing part for driving the upper rotary disc and the lower rotary disc to ascend and descend is arranged on the first supporting column, and a switching part for driving the first supporting column and the second supporting column to rotate is arranged on the base. According to the device, multiple steps of extraction can be automatically realized, the device is more convenient, labor-saving and efficient to use, and liquid can pass through the filler more quickly, so that the solid-phase extraction efficiency is improved.

The invention relates to the technical field of traditional Chinese medicine extraction, in particular to a communication control method and system in the traditional Chinese medicine extraction process, and the method comprises the following steps: S1, technological parameter monitoring and recording, S2, data-based judgment and analysis, S3, communication control strategy making and execution, and S4, abnormal condition monitoring and early warning processing. In each time sequence section of traditional Chinese medicine extraction, refractive index change values at the beginning and the end are accurately measured and compared, and through a set threshold value, specifically in a soaking time sequence section, when the refractive index change exceeds the set threshold value, it can be accurately affirmed that the extraction process is started; and at the later stage of extraction, the extraction end point is accurately judged according to the change trend of the refractive index and the stability of continuous measurement, so that the problem of insufficient extraction or excessive extraction caused by inaccurate judgment is effectively avoided, the stability of the quality of the extract is ensured, and the production efficiency is remarkably improved.

The invention provides an extraction device containing a penthorum chinense pursh extract and a beverage, and relates to the field of food processing. According to the extraction device containing the penthorum chinense pursh extract, through the design of a closed-loop transmission system, continuous feeding, extraction and discharging of penthorum chinense pursh materials are achieved, a driver provides a stable power source through a bevel gear transmission mechanism, it is ensured that the materials continuously move and are stirred in an extraction pipe, and the extraction efficiency is improved. Penthorum chinense pursh materials can be continuously fed and extracted without shutdown treatment. Compared with the prior art, continuous extraction is achieved, the production efficiency is improved, the operation process is simplified, human intervention is reduced, the ultrasonic extraction effect is enhanced, the extraction efficiency is improved, real-time monitoring and feedback are achieved, and it is ensured that the extraction process is stable.

The invention relates to the technical field of aluminum ash washing filtrate recycling intelligent control, in particular to an aluminum ash washing filtrate recycling intelligent control device and method, and the device comprises a multi-parameter online detection module, a data processing optimization module, a process parameter execution module and a filtrate circulation module. The multi-parameter online detection module is used for cooperatively detecting the real-time concentration of trace impurity ions such as fluorine, potassium and sodium through an ion selective electrode array and a micro spectrum analyzer; predicting the dissolution trend of impurity ions through an LSTM model and generating a process parameter adjustment instruction; the process parameter execution module regulates and controls the stirring strength, the liquid-solid ratio and the water-ash contact time in a linkage manner; and the filtrate circulating module is used for buffering, homogenizing and proportionally mixing the washed liquid phase to generate a regenerated leaching medium for recycling. According to the method, the detection data and the model decision are dynamically matched through the closed-loop control process, and the impurity element removal efficiency is improved.

A staggered scraper type extractor and an extraction method thereof. A chamber (3) is provided with a plurality of longitudinal partition plates (3a) parallel to each other, and the longitudinal partition plates (3a) divide the chamber (3) in the width direction into a plurality of soaking tanks (3k) which are arranged side by side and are sequentially connected in series; each soaking tank (3k) is provided with an inclined bottom wall (3b), and the inclination directions of inclined bottom walls (3b) of adjacent soaking tanks (3k) are opposite; and an annular chain scraping mechanism is provided in each soaking tank (3k), and a temporary storage and feeding device is mounted above a first-stage soaking tank (3k). A chain partition plate (3c) is provided above each inclined bottom wall (3b), each chain partition plate (3c) is parallel to the corresponding inclined bottom wall (3b) below, the upper layer of the chain scraping mechanism moves downwards along the corresponding chain partition plate (3c), and the lower layer of the chain scraping mechanism is used for fishing out materials from the tank bottom of the corresponding soaking tank (3k) and draining, and pushing the materials upwards along the inclined bottom wall (3b). A fresh solvent enters the space below from a slit type opening (3c1) of a last-stage chain partition plate (3c), and after turning from the bottom, the fresh solvent moves upwards by a distance along the chain partition plate (3c) and then overflows to the prior stage; and the advancing direction of the materials is opposite to that of the solvent, achieving full-counterflow soaking type extraction.

The invention provides an ultrasonic-assisted red pomelo polyphenol extraction method and application. The polyphenol component in the red pomelo is extracted through the following steps: firstly, performing activation pretreatment on red pomelo dry powder by adopting a low-temperature plasma device, and destroying a cell wall structure so as to improve the accessibility of combined polyphenol; then cellulase, pectinase, hemicellulase and beta-glucosidase are added into a biodegradable deep eutectic solvent to synergistically hydrolyze the cell wall polysaccharide, and combined polyphenol is released; then applying pulse type ultrasonic wave to assist extraction under a low-temperature condition, so that polyphenol is fully dissolved out and enters the eutectic solvent; and finally, carrying out solid-liquid separation to obtain the red pomelo polyphenol extract. Compared with a conventional heat extraction method, the method has the advantages that the extraction rate of the polyphenol of the red pomelo is remarkably increased at a lower temperature, the degradation of the polyphenol is effectively avoided, and the content of the total polyphenol and the antioxidant activity are increased; the method is green and environment-friendly, and can be applied to the health industry as an antioxidant.

The invention provides an anti-aging and whitening pyracantha fortuneana fruit extract prepared by adopting a supramolecular solvent and a preparation method of the pyracantha fortuneana fruit extract, and relates to the technical field of biological extraction. The preparation method comprises the following steps: by taking betaine as a hydrogen bond acceptor and 1, 3-propylene glycol as a hydrogen bond donor, mixing and self-assembling the betaine and the 1, 3-propylene glycol to form a supramolecular solvent; and the pyracantha fortuneana fruits are extracted by adopting the supramolecular solvent. The pyracantha fortuneana fruit active ingredients are extracted by adopting the supramolecular solvent which is harmless to the skin, so that the irritation of the solvent to the skin can be avoided, the supramolecular solvent can be specifically combined with the active ingredients in the pyracantha fortuneana fruit, and the purity and activity of the active ingredients are improved. The pyracantha fortuneana fruit extract extracted by adopting the supramolecular solvent has better oxidation reduction resistance; generation of non-enzymatic glycosylation intermediate products is inhibited, and saccharification and aging resistance are facilitated; the red blood cell oxidative damage is improved, and the effects of resisting oxidation and relieving are achieved; the whitening mask has an inhibiting effect on elastinase and tyrosinase, and can resist aging, whiten skin, relieve facial pigmentation and brighten the skin.

The invention provides a method and equipment for producing Li2CO3 based on coordinated roasting of lepidolite and spodumene. The method for producing Li2CO3 based on coordinated roasting of lepidolite and spodumene comprises the steps that S1, ore pretreatment is conducted, specifically, lepidolite and spodumene with the particle size smaller than 5 mm are evenly mixed according to the mass ratio of 1: (1-3), and the mixed ore is finely ground till the particle size is smaller than 75 microns; s2, additive mixing, wherein a composite additive is added into the mixed ore obtained after fine grinding and evenly mixed with the ore, and the composite additive is composed of fluoride, sulfate and a fluxing agent; and S3, coordinated roasting, wherein the mixed materials are fed into a rotary kiln to be roasted. According to the method for producing Li2CO3 based on coordinated roasting of the lepidolite and the spodumene, the lepidolite and the spodumene are roasted in a coordinated mode, the structural and chemical property differences of the lepidolite and the spodumene are utilized, advantage complementation is achieved, the overall extraction rate of lithium is increased, compared with a single lithium extraction technology, the lithium recovery rate can be increased by 10%-20%, and the waste residue generation amount is reduced.

The invention discloses a green deodorization method suitable for ultramicro sea cucumber powder, and belongs to the field of food processing. The method comprises the following steps: S1, putting sea cucumber coarse powder into an extraction kettle of a supercritical extraction instrument, and deodorizing the sea cucumber powder; s2, crushing the sea cucumber powder subjected to fishy smell removal in the step S1 by using an ultrafine crusher to obtain sea cucumber powder, and controlling the bulk density of the powder to be 0.65-0.7 g / mL and the tap density to be 0.70-0.80 g / mL; and S3, putting the sea cucumber powder subjected to superfine grinding in the step S2 into an extraction kettle of a supercritical extraction instrument for deodorization. According to the invention, the second hole disc is additionally arranged on the gas distributor in the supercritical extraction instrument, so that carbon dioxide fluid flows back during extraction, the pressure of the carbon dioxide fluid discharged from the material basket is reduced, and the material is prevented from being taken out, thereby solving the problem of pipeline blockage of ultra-micro powder and improving the extraction efficiency and the production efficiency.

The invention relates to the technical field of compound extraction, in particular to a control method and system for ultrasonic-assisted extraction of high-purity flavonoid compounds. According to the method, preparation conditions are optimized according to material characteristics, then ultrasonic treatment is carried out by adopting a segmented control strategy, meanwhile, the extraction process is tracked in real time through chromatographic detection, process parameters are adjusted in time based on the change trend of an efficiency curve, blindness of a traditional fixed parameter control mode is avoided, and the efficiency is improved. Through intelligent dynamic adjustment, the energy utilization efficiency is remarkably improved, excessive degradation of effective components is effectively prevented, and the control accuracy of the extraction process is improved.

The invention discloses a method for extracting active ingredients in pollen typhae based on a natural eutectic solvent, and belongs to the technical field of active substance extraction. By screening the natural eutectic solvent and optimizing preparation parameters, the invention provides the method for extracting the active components in the pollen typhae by using the natural eutectic solvent, and solves the problems of low extraction rate of the active components in the pollen typhae and the like in the prior art. According to the method, proline-lactic acid (the molar ratio is 1: 3) is used as a natural eutectic solvent, and the extraction efficiency of total active substances (polyphenol, flavone and alkaloid) in the pollen typhae reaches 167.9 mg / g of pollen typhae powder; the extraction of quercetin reaches 0.41 mg / g of pollen typhae powder, and the extraction effect is far better than that of conventional water extraction and alcohol extraction.

The invention belongs to the field of comprehensive utilization of plant resources, and relates to a method for extracting amide components in Chinese prickly ash through a natural eutectic solvent assisted by superfine grinding. The method comprises the following steps: firstly, collecting a pepper raw material, drying the pepper raw material by a heat pump, and performing high-speed crushing and low-temperature superfine crushing to obtain pepper superfine powder; preparing a natural eutectic solvent from a hydrogen bond acceptor and a hydrogen bond donor, mixing the natural eutectic solvent with the pepper superfine powder, performing microwave-assisted extraction, centrifugally collecting supernate after extraction, and completing primary extraction; adding NDES into the remaining precipitate, and repeatedly extracting according to the primary extraction step; and repeatedly extracting for several times, combining the supernate, and finally concentrating and filtering with a filter membrane to obtain an extracting solution, thereby realizing the extraction of the amide components in the Chinese prickly ash. The method provided by the invention overcomes the defects of low extraction efficiency, environmental pollution caused by an extraction reagent, high equipment cost and the like in the existing technical means for extracting the amide components in the Chinese prickly ash, realizes efficient and green extraction of the amide components in the Chinese prickly ash, and has a wide application prospect.

The invention discloses a method for extracting and purifying flavone in litsea coreana through an ultrasonic-assisted eutectic solvent, and belongs to the technical field of green processing of natural products. The invention provides a method for efficiently preparing litsea coreana flavone by integrating computer prediction, green solvent extraction and resin purification technologies. The method comprises the following steps: firstly, calculating and screening a deep eutectic solvent system with the highest affinity with the litsea coreana flavone on the basis of a COSMO-RS theoretical model, then coupling the optimized DES with an ultrasonic-assisted extraction (UAE) technology, and through the synergistic effect of the DES and the UAE technology, remarkably improving the extraction rate of the litsea coreana flavone and furthest keeping the biological activity of a target component; then, a macroporous resin dynamic adsorption-desorption purification process is linked, so that high-selectivity enrichment and impurity removal of the flavonoid compounds in the crude extract are realized, a high-purity product is obtained, and a complete process route from intelligent screening, efficient extraction to precise purification is finally formed.

A method for increasing the yield of an artemisinin crude product belongs to the technical field of artemisinin extraction, and comprises the following steps: an extraction step: adding artemisia apiacea leaves into a petroleum ether solvent, and extracting by combining heating stirring, ultrasonic waves or microwaves; a separation step: carrying out liquid-solid separation by adopting a filtering or centrifuging mode to obtain an artemisinin extracting solution containing artemisinin; a concentration step: evaporating and concentrating the artemisinin extracting solution to obtain an artemisinin concentrated solution; a crystallization step: putting the artemisinin concentrated solution into a crystallization tank for crystallization, and filtering after crystallization to obtain a mother solution and an artemisinin crude product; the crystallizing tank is a cold and hot crystallizing tank provided with a refrigerant ring cavity and a heating medium ring cavity at the same time, the artemisinin extracting solution on the upper portion can be rapidly cooled, meanwhile, the artemisinin extracting solution on the lower portion is kept at the constant temperature, impurities attached to low-temperature crystals can be reduced, the crystallizing speed is increased, and the crystallizing recovery rate of the artemisinin crude product is increased.

The invention relates to the technical field of abalone peptide production, and discloses extraction equipment for extracting natural taurine from sea cucumbers, which solves the problems of function splitting, pollution transfer and low efficiency in the traditional process by integrating three functional modules of countercurrent stirring, in-situ filtration and rotary elution. A reverse stirring part forms shear convection through stirring blades rotating in two directions and a stirring plate, and sea cucumber tissue breaking is accelerated; a dynamic adjusting and filtering mechanism is adopted in the filtering part, filtering modes are switched after stirring, and in-situ separation of the extracting solution and the raw materials is achieved; the elution part drives the cationic resin to be in forced contact with an extracting solution through rotation, and the adsorption efficiency is improved by combining through-channel type resin distribution. The three components cooperatively operate in a single tank, and traditional crushing, extracting, separating and eluting multi-step processes are integrated into a continuous flow. The method has the advantages that the extraction efficiency is improved, the taurine purity is improved, and meanwhile, the material transfer loss and the pollution risk are reduced.

The invention discloses a method for extracting macadamia nut green peel polyphenol by screening a deep eutectic solvent (DES) based on molecular simulation, and belongs to the field of molecular simulation and natural product extraction. The method comprises the following steps: firstly, quantitatively analyzing the composition of the macadamia nut green peel polyphenol, then based on the composition of the green peel polyphenol, researching the dissolving-out capacity of DES composed of different hydrogen bond donors / hydrogen bond receptors on the main polyphenol of the macadamia nut by adopting molecular simulation, screening DES with different hydrogen bond donor / hydrogen bond receptor compositions and molar ratios, and determining the content of the main polyphenol in the macadamia nut. Finally, the screened DES system is subjected to process optimization, and the optimal DES proportion is obtained. The DES system can be rapidly screened on the basis of the main composition of macadamia nut green peel polyphenol, the polyphenol yield is increased, and the problems of large use amount of an organic solvent and low extraction efficiency in traditional polyphenol extraction are solved.

The invention provides a method for efficiently extracting tea polyphenol and tea polysaccharide and application, and belongs to the technical field of plant extraction.The extraction method comprises the following steps that tea leaves are pre-cooled and rolled and cut to obtain pretreated tea leaves, then the pretreated tea leaves are added into water to be mixed, biological enzyme is added for ultrasonic enzymolysis, filtering is conducted, and filtrate and tea residues are obtained; adding tea residues into water, mixing, adding an auxiliary agent, and carrying out low-temperature plasma treatment and filtration to obtain a filtrate; combining the filtrates, concentrating, precipitating, centrifuging, and collecting precipitate and supernate; washing and drying the precipitate to obtain a tea polysaccharide extract; and concentrating, extracting, adsorbing, eluting, re-concentrating and drying the supernate to obtain the tea polyphenol extract. The extraction method disclosed by the invention can be used for efficiently extracting the tea polyphenol and the tea polysaccharide in the tea leaves, the product yield and purity are high, and the tea polyphenol and the tea polysaccharide can be used for preparing health-care products for relieving diabetes and polyuria.

The invention belongs to the technical field of pesticide processing, and particularly relates to a pesticide extraction device for pesticide production, the pesticide extraction device comprises a separation box, the top of the separation box is connected with an end cover, the pesticide extraction device further comprises a separation mesh cylinder, and the two sides of the top of the separation mesh cylinder are fixedly connected with the bottom of the end cover through connecting columns; the extrusion assembly is installed on one side of the bottom of the end cover, the two ends of the extrusion assembly are arranged at the two ends of the separation net barrel correspondingly, and the extrusion assembly is used for repeatedly extruding the raw materials in the separation net barrel; the stirring assembly is mounted at the bottom of the inner cavity of the separation box, and the stirring assembly is used for stirring the solvent. According to the device, coarsely crushed plant raw materials are guided into the separation mesh cylinder and then enter the separation box together with the separation mesh cylinder, and a solvent is in contact with the raw materials to extract pesticide components, so that residual material residues can be left in the separation mesh cylinder, and subsequent filtration treatment by workers is not needed; and the pesticide component extraction efficiency can be improved.

The invention belongs to the technical field of traditional Chinese medicine preparation devices, and particularly relates to a production method and device of traditional Chinese medicine composition oral thick paste. Comprising an extract mixing tank, a tank cover is fixedly connected to the top of the extract mixing tank in an inserted mode, a hydraulic lifting rod is fixedly installed on the tank cover, and the telescopic end of the hydraulic lifting rod is fixedly connected with a motor through a connecting frame; a communicating port is formed in the middle of the top of the tank cover in a penetrating manner, and the top of the tank cover further communicates with a feeding port; according to the invention, the water body not only can circularly clean the extract mixing tank to save water, but also can improve the cleaning efficiency and reduce the energy consumption, and the mixing is easier and more uniform; according to the invention, the extractum in the extractum mixing tank can be uniformly mixed, and the problems of low liquidity and easy layering of the extractum are solved; the stirring direction of the stirring mechanism is quickly switched while the lifting effect of the auger blade is not influenced; the traditional Chinese medicine composition prepared by the method has the effects of enhancing immunity, improving sleep quality, relieving pressure and the like.

The invention belongs to the technical field of grease extraction. The multi-stage extraction and leaching device comprises a first extraction and leaching section, a second extraction and leaching section and a third extraction and leaching section, the first leaching mechanism comprises a first material conveying mechanism and a second material conveying mechanism which have a height difference; the second extraction and leaching section is located below the first extraction and leaching section and comprises a second shell and a second leaching mechanism arranged in the second shell, the feeding end of the second shell communicates with the discharging end of the first shell, and the discharging end of the second shell communicates with the discharging end of the second shell; and the second leaching mechanism comprises a third material conveying mechanism and a fourth material conveying mechanism which have a height difference. The invention further discloses a multi-stage extraction leaching process. The device is used for solving the technical problems that materials of existing leaching equipment are compacted in the conveying process, the permeation rate of a solvent is affected, and the leaching efficiency is low.

The invention discloses a natural product synergistic extraction and purification control system, which adopts a data acquisition unit to acquire technical parameters of an extraction device and a purification device, adopts a data processing unit to obtain parameter influence values for extraction and purification processes, and controls an adjustment unit to adjust the extraction and purification processes respectively according to the corresponding influence values. The extraction efficiency and the purity are improved; the integrated design is adopted, and an extraction device and a purification device are integrated in one system, so that the continuous and automatic extraction and purification process is realized, and the energy consumption and the labor cost are reduced; an advanced control system is arranged, so that the whole extraction and purification process is monitored and managed in real time, and the stability and the operation convenience of the system are improved.