2848results about "Solid solvent extraction" patented technology

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 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.

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 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 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.

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 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 discloses a plant extraction method and system based on image processing, and relates to the technical field of image processing. The method comprises the following steps: acquiring and standardizing a plant raw material image; extracting feature vectors of the images by using a neural network convolutional layer algorithm, comparing the feature vectors with a plant raw material standard feature database, and screening out qualified images of the plant raw materials; qualified images are processed through multispectral image analysis and an image segmentation algorithm, and an effective component spatial distribution diagram is obtained; constructing a partial least squares regression linear model, extracting spectral feature vectors of the effective components, inputting the spectral feature vectors into the model to obtain concentration values, and calculating quantitative data of the effective components; establishing an extraction process rule base, selecting a process parameter combination according to a spatial distribution diagram and quantitative data, and extracting to obtain a primary extracting solution and plant residues; and calculating an effective component residual error rate by matching and mapping to a qualified image coordinate, and if the effective component residual error rate is greater than a preset threshold, performing secondary extraction to obtain a secondary extracting solution. And quantitative basis is provided for extracting process parameters through the spatial distribution diagram of the effective components.

The invention provides a method for preparing high-purity hafnium tetrachloride by wet extraction and separation, which comprises the following steps: stirring and leaching hafnium alloy waste serving as a raw material by using HNO3 and HF mixed acid, then adding thioacetamide, adjusting the pH value to 4-5, stirring and filtering; compounding tributyl phosphate, trioctylphosphine oxide and sulfonated kerosene to obtain a composite extracting agent, and stirring and mixing to form a homogeneous organic phase; in a hydrochloric acid medium, controlling the volume ratio of an organic phase to a water phase to be (2.5-3.5): 1, carrying out three-stage counter-current extraction, and standing for phase splitting; the extracted organic phase passes through an adsorption column filled with iminodiacetic acid modified silica gel; and carrying out reverse extraction by using a hydrochloric acid solution, and then carrying out reduced pressure evaporation concentration, cooling crystallization and dehydration to obtain hafnium tetrachloride. According to the method, the zirconium and hafnium separation efficiency in the hafnium tetrachloride preparation process is improved, and the problem that the content of zirconium and hafnium impurities in the product is too high is solved.

The invention relates to the technical field of coal production, and provides a heavy medium cyclone separation ash reduction and leaching chlorine reduction joint production device and a production process, the heavy medium cyclone separation ash reduction and leaching chlorine reduction joint production device comprises a rack, and a heavy medium cyclone and a leaching chlorine reduction device which are sequentially arranged on the rack, the dense medium cyclone is used for separating coal, the leaching chlorine reduction equipment is used for receiving the coal, a liquid leaching agent is contained in the leaching pool, the conveying part is arranged in the leaching pool in a circulating conveying mode, the stirring parts are rotationally arranged relative to the conveying part and move along with the conveying part, and the multiple stirring parts are distributed in the circumferential direction of the conveying part. The stirring part is used for stirring the coal on the conveying part when moving to the position above the conveying part along with the conveying part, and is used for disturbing the liquid flow of the leaching agent when moving to the position below the conveying part. By means of the technical scheme, the problems that in the prior art, coal moves in a stacking state during coal leaching and dechlorination, the coal makes insufficient contact with a leaching agent, and the leaching efficiency is low are solved.

The embodiment of the specification provides an astaxanthin extraction device, the device comprises a mixing tank, a cavitator, a static mixer, a three-phase centrifuge and a precision filter, the mixing tank is configured to mix haematococcus pluvialis, water and phospholipase to form uniform algae slurry; the cavitator is configured to receive the algae slurry and perform wall breaking on the algae slurry by utilizing hydrodynamic cavitation to obtain wall-broken algae slurry; the static mixer is configured to mix the wall-broken algae slurry and an extraction agent to form mixed algae slurry; the three-phase centrifugal machine is configured to receive the mixed algae slurry and perform three-phase separation on the mixed algae slurry to obtain an astaxanthin oil phase, a water phase and algae residues; the precision filter is configured to filter the astaxanthin oil phase so as to remove residual algae residues, and the astaxanthin oleoresin is obtained.

The invention provides a percolation device and a preparation method of a phyllanthus emblica extract. The percolation device comprises a percolation tank, a pressing device and a plurality of separation structures, the preparation method of the emblic leafflower fruit extract comprises the following steps: firstly, coarsely crushing and soaking an emblic leafflower fruit medicinal material, then percolating the emblic leafflower fruit medicinal material in a percolating device, and collecting percolate; the preparation method comprises the following steps: extracting a percolate, adsorbing the percolate through macroporous resin, eluting with water and ethanol in sequence, combining an obtained lower column liquid and a water washing liquid, separating through a ceramic membrane and an ultrafiltration membrane in sequence to obtain a micromolecular functional sugar part, decolorizing with activated carbon, eluting with an ethanol solution, concentrating and drying to obtain a polyphenol part, and proportioning to obtain a target product. According to the technical scheme provided by the invention, active micromolecular functional sugar and polyphenol components in the phyllanthus emblica can be extracted and enriched at one time. The extract is light in color and good in solubility, so that the problems of single extracted component and inconvenience in application due to poor color and solubility in the traditional process are effectively solved.

The invention discloses a male tussah concentrated solution preparation device and method. The device comprises an equipment frame, the primary extraction assembly comprises a squeezing mechanism and a standing layering mechanism, the squeezing mechanism is provided with a first feeding port, the squeezing mechanism is communicated with the standing layering mechanism, a supernatant extraction mechanism is arranged on the standing layering mechanism, and the squeezing mechanism and the standing layering mechanism are both arranged on the equipment frame; the extracting solution secondary treatment assembly comprises a distillation and concentration mechanism and a freezing mechanism, the distillation and concentration mechanism is communicated with the supernatant extraction mechanism, and the freezing mechanism is communicated with the distillation and concentration mechanism through a first liquid pump; the extracting solution centrifugal treatment assembly comprises a centrifugal mechanism, a collecting mechanism is arranged outside the centrifugal mechanism, and the centrifugal mechanism is communicated with the freezing mechanism through a second liquid pump. The device is relatively high in integration degree, relatively good in operation continuity and more convenient in production, and the time of material conversion between procedures is shortened, so that the production efficiency is improved.

The invention relates to the technical field of hydrometallurgy production systems, in particular to a solvent regeneration control system for separating zirconium and hafnium through MIBK method centrifugal extraction, which comprises a control module used on a solvent regeneration neutralization reactor, and the control module comprises a heat exchange module; the heat exchange module comprises a heat exchange unit; the heat exchange unit comprises a cooling liquid flow adjusting unit, a cooling liquid temperature detecting unit and a cooling liquid pressure detecting unit. And the heat exchange module is used for controlling the flow of the cooling liquid, the pressure of the cooling liquid and the temperature of the cooling liquid of the heat exchange unit so as to adjust the temperature of the mixed phase in the neutralization reactor. The control system can monitor the flow, temperature and pressure of cooling liquid in real time, accurately control opening, closing and temperature adjustment of the heat exchange unit, quickly respond to temperature change of a mixed phase in the neutralization reactor, remove reaction heat in time, effectively avoid the problem of extraction system emulsification caused by high-temperature decomposition and polymerization of thiocyanic acid in the solvent regeneration process, and improve the extraction efficiency. The solvent regeneration efficiency and quality are ensured.

Targetry coupled separation refers to enhancing the production of a predetermined radiation product through the selection of a target (including selection of the target material and the material's physical structure) and separation chemistry in order to optimize the recovery of the predetermined radiation product. This disclosure describes systems and methods for creating (through irradiation) and removing one or more desired radioisotopes from a target and further describes systems and methods that allow the same target to undergo multiple irradiations and separation operations without damage to the target. In contrast with the prior art that requires complete dissolution or destruction of a target before recovery of any irradiation products, the repeated reuse of the same physical target allowed by targetry coupled separation represents a significant increase in efficiency and decrease in cost over the prior art.

The invention discloses a method for extracting ginsenoside based on a supercritical extraction method, and relates to the technical field of traditional Chinese medicine extraction. The ginsenoside is extracted through a supercritical extraction method, the extraction process is convenient and efficient, the purity of the ginsenoside is high, organic solvent residues are avoided, the method is green and environmentally friendly, carbon dioxide can be recycled, and the operation cost is low; through degreasing pretreatment, fat-soluble components in ginseng powder are removed, the extraction purity of saponin is increased, the solid loading capacity of supercritical extraction is reduced, the mass transfer resistance is reduced, and the extraction efficiency is improved; the ginsenoside is purified in a post-treatment mode of resin adsorption and elution, polar impurities can be further removed, glutamine is adopted for surface functionalization of the resin, acylamino and carboxyl are introduced to the surface of the resin and can form hydrogen bonds with phenolic hydroxyl groups in the ginsenoside, functional adsorption is achieved, meanwhile, impurities are removed, and the content of the ginsenoside is increased. Reaction conditions are simple and mild, and adsorption efficiency is high.

The utility model relates to the technical field of pharmaceutical engineering, and discloses a crushing and extracting mechanism for separating traditional Chinese medicine components, which comprises a base, an immersion barrel and a crushing box are assembled at the top of the base, a discharge port is assembled between the immersion barrel and the crushing box, a feed port is arranged at the top of the crushing box, and a discharge port is arranged at the bottom of the crushing box. A screening assembly and a grinding assembly are arranged in the smashing box, a temperature control assembly is arranged on the outer side of the immersion barrel, a liquid inlet pipe is assembled on the top of the immersion barrel, a liquid outlet pipe is assembled at the bottom of the immersion barrel, the screening assembly comprises a first motor, and the first motor is assembled in the middle of the smashing box. According to the utility model, under the cooperation of the motor I, the eccentric block, the screen, the spring rod and other structures, impurities are effectively prevented from being mixed into the leaching liquor, the subsequent purification process is smoothly and efficiently carried out, the purity of the leaching liquor is powerfully guaranteed, and a foundation is built for the output of high-quality traditional Chinese medicine components.

The invention discloses equipment and a process for efficiently and continuously extracting astaxanthin by a low-frequency microwave-assisted eutectic solvent method, and belongs to the technical field of bioactive substance extraction. The method for extracting astaxanthin by the low-frequency microwave-assisted eutectic solvent method comprises the following steps: performing low-frequency microwave pretreatment on a eutectic solvent to obtain a high-temperature pretreated eutectic solvent; cooling the pretreated eutectic solvent, then mixing the pretreated eutectic solvent with crustacean byproducts, performing eutectic solvent extraction treatment, performing ultrasonic-assisted extraction in the process, and then performing solid-liquid separation to obtain filtrate; mixing the filtrate with an extraction solvent, and extracting to obtain an extraction solvent phase containing astaxanthin and a eutectic solvent phase; and removing the extraction solvent in the extraction solvent phase containing the astaxanthin to obtain an astaxanthin product.

The invention discloses traditional Chinese medicinal material extraction equipment which comprises a heating tank, an evaporation tank and a purification tank, the evaporation tank and the purification tank are in a negative pressure state, the evaporation tank is arranged in the heating tank, the purification tank and the evaporation tank are fixed through a connecting seat, the evaporation tank and the purification tank are connected through a siphon, a steam conveying pipe is arranged on the evaporation tank, and the purification tank is connected with the evaporation tank through a siphon. A condensing pipe is arranged at the top of the purification tank, the bottom end of the condensing pipe extends into the purification tank, the end part of the steam conveying pipe is communicated with the condensing pipe, a plurality of ultrasonic generators are arranged on the inner wall of the purification tank, a filter cartridge for storing traditional Chinese medicinal materials is arranged in the purification tank, and a discharging pipe is arranged at the bottom of the heating tank; the traditional Chinese medicinal material extraction equipment can circularly extract traditional Chinese medicinal materials, so that the extract is concentrated, the extraction process is isolated from the outside, the pollution of the external environment to the extract is avoided, the overall structure is safe and efficient, and the equipment is suitable for popularization and use.

The invention discloses a feed additive for synergistically improving oxidative stress resistance of broiler chickens based on oleuropein-luteoloside-maslinic acid ternary combination and application of the feed additive, the feed additive is the olea europaea leaf extract, the total polyphenol content of the feed additive is about 52%, the total flavone content is 7%, and the total flavone content is 5%. The feed is mainly composed of oleuropein, luteolin-7-beta-glucoside and maslinic acid, the oleuropein, the luteolin-7-beta-glucoside and the maslinic acid are sequentially added in a molar ratio of 6: 1: 1 to generate a synergistic anti-oxidative stress effect, and when the feed is applied to breeding on the basis of corn-soybean daily ration of broilers, the daily gain of the broilers can be obviously increased, the feed conversion ratio is reduced, and the feed conversion rate is increased. The intestinal micro-ecological health, the anti-oxidative stress effect and the organism immunity are improved, and the infection rate and the death rate of intestinal diseases such as diarrhea of broilers are reduced. The product has the advantages of being simple and convenient to prepare and use, free of toxic and side effects, beneficial to broiler chicken growth and human health, free of the problems of drug resistance, drug residues and the like, and capable of promoting chicken meat quality improvement and the like.

The invention provides a Yao bath lotion multistage circulation extraction device which comprises an extraction assembly, a stirring assembly arranged at the inner end of the extraction assembly, a dead zone turbulent flow assembly arranged in the extraction assembly, an aperture adjusting assembly arranged in the dead zone turbulent flow assembly, a sealing assembly arranged in the aperture adjusting assembly and an auxiliary intelligent control assembly arranged in the extraction assembly. The extraction assembly comprises a first-stage extraction tank, the inner end of the first-stage extraction tank is filled with a plurality of Yao bath stock solutions, the outer side of the first-stage extraction tank is fixedly connected with a heating jacket, and the upper end of the heating jacket is fixedly connected with a sealing tank cover. According to the Yao bath lotion extraction device, a multi-stage extraction, mechanical stirring, flow field optimization, dynamic adjustment and intelligent control cooperative work system is formed, the problems of uneven mixing, existence of dead zones, low extraction efficiency and the like in traditional extraction are effectively solved, high efficiency, intelligence and refinement of the Yao bath lotion extraction process are achieved, and reliable technical support is provided for production of high-quality Yao bath lotion.

The utility model discloses a lucid ganoderma extract preparation device, which comprises a crushing device, a second crushing device and a third crushing device, the crushing device comprises a first crushing tank, a first driving motor is arranged at the upper end of the first crushing tank, a first rotating shaft is arranged at the lower end of the first driving motor, and a first crushing blade is arranged at the lower end of the first rotating shaft; the dissolving device comprises a first dissolving tank, a second driving motor is arranged at the upper end of the first dissolving tank, a second rotating shaft is arranged at the lower end of the second driving motor, and a first stirring paddle is arranged at the lower end of the second rotating shaft; the evaporation device comprises a first evaporation tank, and a heating evaporation mechanism is arranged in the first evaporation tank. The lucid ganoderma extract preparation device provided by the utility model is simple in structure and high in temperature, lucid ganoderma is firstly crushed, then dissolved and finally evaporated and extracted through treatment of the crushing device, the dissolving device and the evaporating device in sequence, the lucid ganoderma extract is prepared, the production speed is higher, and the preparation efficiency is better.

The utility model provides liquid nitrogen extraction equipment which comprises a containing cavity, a smashing device, a first driving device and a separating device, the containing cavity is provided with a feeding port and a discharging port, blades used for smashing raw materials are arranged on the lower surface of the smashing device, and the first driving device drives the smashing device to rotate and move in the vertical direction. The separating device is arranged below the smashing device and divides the containing cavity into a first cavity communicating with the feeding port and a second cavity communicating with the discharging port. The separating device comprises a first separating plate and a second separating plate, the first separating plate is provided with a first through hole, the second separating plate is provided with a second through hole, the first through hole and the second through hole are arranged in a staggered mode, and the second separating plate can move in the vertical direction to be attached to or away from the first separating plate. According to the liquid nitrogen extraction device, automation of the process of smashing raw materials and transferring the raw materials into the cavity used for soaking the raw materials to extract active ingredients can be achieved, the workload of operators is reduced, and the working efficiency is improved.

Various aspects of this disclosure relate to methods to lower the activation energy of the cannabinoid decarboxylation reaction by performing the decarboxylation reaction in the gas phase. In some specific embodiments, the method relates to the decarboxylation of a cannabinoid performed in a short-path distillation apparatus or a thin-film distillation apparatus.

The present invention relates to the field of extraction devices, and specifically to an astaxanthin extraction device. An extraction tank is provided with a central shaft driven by a power device and rotating around its own axis. A sleeve is vertically slidably installed on the central shaft, a fixed sleeve is fixedly installed on the sleeve, and a sliding sleeve is also vertically slidably installed on the sleeve located above the fixed sleeve. A stirring blade is fixedly installed on both the fixed sleeve and the sliding sleeve. A movable column is also radially slidably installed on the fixed sleeve along the extraction tank, a scraper matching the inner wall of the extraction tank is fixedly installed on one end of the movable column, and a support rod is hinged between the sliding sleeve and the movable column. While the fixed sleeve and the sliding sleeve rotate to stir the material, the cantilever drives the sleeve, the fixed sleeve and the sliding sleeve to move back and forth up and down along the central shaft through the hollow tube, thereby driving the stirring blade to evenly stir the material at different depths in the extraction tank.

The utility model discloses an integrated device for preparing flocculant powder from fly ash, which comprises an extraction chamber, an aging reaction chamber, a rotary spray drying chamber and a product collecting chamber, a discharge port at the bottom of the extraction chamber is connected with the aging reaction chamber through a pipeline, the bottom of the aging reaction chamber is connected with a spray gun through a pipeline, the spray gun extends into the rotary spray drying chamber, and the rotary spray drying chamber is connected with the product collecting chamber through a pipeline. The product collecting chamber is located under a discharging port of the rotary spray drying chamber. An electric heating layer is arranged at the bottom of the extraction chamber; a filter is arranged at a discharge hole in the bottom of the extraction chamber. The device is an integrated continuous production device, has experiment and detection functions, is simple to operate and is suitable for industrial production.

The invention relates to the technical field of bottled beverage production, in particular to a tea beverage efficient extraction production system which comprises a pre-treatment unit, a tea soup preparation unit and a waste heat recovery unit, the pre-treatment unit comprises a water tank, a hydraulic filter and an ion exchanger, and the hydraulic filter is provided with a water inlet and a water outlet; the tea soup preparation unit comprises a three-stage counter-current extraction tower, a standing tank and a cooling tower; the waste heat recovery unit comprises a steam condensation device and a heat energy storage tank, one end of the steam condensation device is communicated with the material inlet and outlet of the three-stage counter-current extraction tower, and the other end of the steam condensation device is externally connected with a CIP cleaning system. Through dynamic gradient temperature control extraction, a multi-stage counter-current extraction technology and an instantaneous cooling system, the production efficiency and the energy utilization rate are remarkably improved while the tea soup quality is guaranteed, and therefore efficient, energy-saving and intelligent tea beverage production is achieved.

The utility model discloses a system for step-by-step separation and conversion of tar residues, which comprises an ultrasonic cleaning instrument, the liquid outlet end of the ultrasonic cleaning instrument is connected with a solid-liquid separator through a pipeline, the liquid outlet end of an upper liquid layer of the solid-liquid separator is connected with a delivery pump I through a pipeline, and the delivery pump I is connected with the liquid inlet end of a rotary evaporator I through a pipeline. Concentrated organic matters in the rotary evaporator I are conveyed into a vertically arranged chromatographic column through a pipeline, the lower end of the chromatographic column is connected with a sand core funnel, a collecting tank is placed below an outlet of the sand core funnel, the collecting tank is connected with a conveying pump V through a pipeline, and the conveying pump V is connected with a liquid inlet end of the rotary evaporator II through a pipeline. According to the method, high additional organic matters in the tar residues can be effectively extracted by adopting a mode of synergism of ultrasonic-assisted extraction and column chromatography separation, so that resource utilization of the tar residues is realized. The solvent and the eluent selected in the whole process can be recycled through a rotary evaporator, the operation cost is low, and near-zero emission can be realized.

The invention relates to a method for extracting and separating polyether polyol in waste salt slag by a water-based method, and belongs to the technical field of separation and purification. The method comprises the following steps: (1) slurrying extraction: mixing polyether polyol salt slag with water according to a certain mass ratio, and carrying out slurrying extraction under a stirring condition to obtain oil-water-salt mixed slurry; (2) performing centrifugal separation to obtain an oil-water mixture rich in polyether polyol; (3) demulsifying and layering to obtain a polyether polyol phase; and (4) refining and purifying: dehydrating the polyether polyol phase to obtain a recycled polyether polyol product. According to the method, water is used as an extraction solvent, so that the use of toxic and flammable organic solvents is completely avoided, the safety and health hidden dangers are fundamentally eliminated, and secondary organic pollution is avoided. By optimizing parameters such as the temperature and the liquid-solid ratio of extraction water and combining centrifugal separation, the polyether polyol can be efficiently extracted and separated from the thick salt slag, and the recovery rate can reach 95% or above.

The invention relates to the technical field of plant component extraction, in particular to supercritical extraction equipment for plant component extraction, which comprises an extraction mechanism, the device further comprises a sealing mechanism, a smashing mechanism and a crushing mechanism. Dry ice is crushed through the crushing mechanism to form dry ice particles, the dry ice particles are discharged into the crushing mechanism at a high speed through the crushing mechanism, spices in the dry ice particles are crushed, then the crushed spices are discharged into the extraction mechanism through the crushing mechanism, and the extraction mechanism is sealed through the sealing mechanism. Carbon dioxide gas is continuously discharged into the extraction mechanism through supercharging equipment, oil substances in the spices are dissolved in liquid carbon dioxide, the internal temperature of the extraction mechanism is adjusted through the extraction mechanism, the liquid carbon dioxide is in a supercritical state, and the oil substances in the spices are extracted by reducing the pressure in the extraction mechanism. The liquid carbon dioxide is gasified, and oil substances in the spices are left, so that the practicability of the equipment is improved.