35results about How to "High separation purity" patented technology

The invention relates to the technical field of wastewater treatment, in particular to an intelligent wastewater recovery and zero discharge control system, which is suitable for efficient separation and resource utilization of high TDS (total dissolved solids) and high COD (chemical oxygen demand) wastewater, and realizes intelligent control and resource utilization of a wastewater treatment process by combining a dynamic Bayesian network and a deep reinforcement learning algorithm. According to the system, wastewater with high TDS (Total Dissolved Solid Concentration) and high COD (Chemical Oxygen Demand) is treated by monitoring wastewater characteristics in real time, dynamically optimizing operation parameters and adopting a cross-flow PON (Passive Optical Network) pollution-resistant design and a POM (Polyoxymethylene) wide flow channel design, so that the aims of efficient separation, deep concentration and zero emission are fulfilled.

The invention relates to a method for ultrasonic-enhanced extraction of a multicoloured leaf extract by using an ethanol and ethyl acetate cosolvent, and belongs to the technical field of chemical engineering and plant extraction. (2) synergistically degrading cellulose by using multi-component glycosidase; (3) cosolvent extraction; 4, chloroplast pigment is efficiently separated and purified, chlorophyll and other impurities in an extracting solution are effectively separated and removed through silica gel column chromatography, and therefore the high purity of the multicoloured leaf extract is achieved; according to the invention, ethanol and ethyl acetate are used as cosolvents to extract the multicoloured leaf extract, so that the extraction efficiency and the purity of the extract can be improved.

The invention discloses an alcohol distillation and purification system, belongs to distillation and purification of alcohol in the technical field of alcohol production, and aims to solve the technical problems that in the prior art, the content of methanol and n-propanol in finished edible alcohol exceeds standard values, and the quality of the finished product is low. Comprising a crude tower, an aldehyde removal tower, a water washing tower, a rectifying tower, a methanol removal tower, a recovery tower, an industrial alcohol purification tower and an industrial alcohol storage tank, the crude tower, the aldehyde removal tower, the water washing tower, the rectifying tower and the methanol removal tower are sequentially connected, and impurity outlets of the crude tower, the aldehyde removal tower, the water washing tower, the rectifying tower and the methanol removal tower are all connected with the recovery tower; low-concentration industrial alcohol in the recovery tower is input into an industrial alcohol purification tower, pure high-concentration alcohol output from the upper part of the industrial alcohol purification tower is conveyed to an aldehyde removal tower and a rectifying tower, high-concentration industrial alcohol output from the upper part of the industrial alcohol purification tower is conveyed to an industrial alcohol storage tank, and hot water output from the bottom of the industrial alcohol purification tower is conveyed to a water washing tower. The system can reduce the content of isoamyl alcohol, isobutanol and n-propyl alcohol in a finished product and improve the quality of the finished product.

The present disclosure relates to a method for separating naphtha, comprising: feeding naphtha and a first desorbent into a first adsorption separation tower for first adsorption separation to obtain a first extract and a first raffinate; feeding the first raffinate into a first rectifying tower for first rectification treatment to obtain a first stream mainly containing cycloalkanes and alkanes; feeding the first stream and a second desorbent into a second adsorption separation tower for second adsorption separation to obtain a second extract and a second raffinate; feeding the second raffinate into a second rectifying tower for second rectification treatment to obtain a second stream mainly containing alkanes; feeding the first extract and the second extract into a third rectifying tower for third rectification treatment to obtain a third stream mainly containing aromatic hydrocarbons and cycloalkanes; wherein the first desorbent is selected from heavy aromatic hydrocarbon components, and the second desorbent is selected from light hydrocarbon components. The method of the present disclosure has low cost, simple process, high separation purity and high yield.

This utility model discloses a gas-liquid mixture recovery device, relating to the field of gas-liquid separation devices. The utility model includes a separation device comprising a separation tank body. An inlet pipe is disposed on one side of the inner side of the separation tank body. An overflow cylinder is fixedly disposed at the lower axis of the inner side of the separation tank body. A cavity is formed between the outer side of the overflow cylinder and the inner side of the separation tank body. The outlet end of the inlet pipe extends into the interior of the overflow cylinder. This utility model achieves efficient three-phase separation of gas, liquid, and solid through the cavity structure formed by the overflow cylinder and the separation tank body. The inlet pipe leads directly into the interior of the overflow cylinder. After the mixture is slowed down by a buffer mechanism, the gas naturally floats to the surface and is discharged from the top outlet. The liquid overflows evenly into the cavity through overflow teeth, and solid particles settle under gravity. Simultaneously, an independent drain outlet is directly connected to the bottom of the overflow cylinder to specifically discharge deposited solid impurities, solving the clogging problem caused by solid accumulation in traditional devices.

The application discloses an extraction device for natural product separation, which comprises an extraction tank, a membrane separation assembly, a stirring motor, a temperature control assembly and a controller. The temperature control assembly adopts an up-down partitioned cold-hot temperature control design, and a heat insulation partition fence is arranged between the cooling pipe and the heating pipe. In combination with an anchor type gentle stirring, denaturation of active ingredients is avoided. The membrane separation assembly realizes three-stage gradient separation through a primary ultrafiltration membrane, a medium-level nanofiltration membrane and a high-level affinity membrane. The high-level affinity membrane is loaded with replaceable biological ligands to accurately enrich target components. A structure for real-time detection of concentration and activity of an extraction agent is matched, and the whole process is automatically regulated by electric control valves and the controller. The application can efficiently separate natural active substances of targeted membrane protein targets and drug resistance related targets, completely retains the activity of components, has high separation purity, high automation degree, and recyclable extraction agent, is suitable for laboratory research and development and small-scale industrial production, and meets the extraction requirements in the fields of biological experiments, agriculture and biological medicines.

The invention discloses a centrifugal liquid-liquid phase separation system and method, the phase separation system comprises a raw material tank, a booster pump, a cooler, a spiral phase separation pipeline, a heavy phase extraction valve, a heavy phase extraction sensor, a light phase extraction valve, a light phase extraction sensor and a reflux valve, the liquid outlet of the raw material tank is connected to the cooler through the booster pump, the cooler is used to cool the solution discharged from the raw material tank; the liquid outlet of the cooler is connected to the liquid inlet of the spiral phase separation pipeline, the spiral phase separation pipeline is provided with a heavy phase extraction port at a corresponding position of the outer wall of different layers of pipelines, the heavy phase extraction port is provided with a heavy phase extraction sensor and a heavy phase extraction valve, the liquid outlet of the spiral phase separation pipeline is connected with a light phase extraction pipe and a reflux pipe in parallel, and the reflux pipe is connected to the liquid inlet of the raw material tank. The centrifugal liquid-liquid phase separation system of the invention realizes the separation of heavy phase solution and light phase solution by using the centrifugal force generated by the spiral phase separation pipeline, and the system structure is more compact and occupies a small area.

The invention discloses application of an acer palmatum 'Jinling Huangfeng' extract in preparation of a medicine for preventing and treating breast cancer, and belongs to the technical field of natural product extraction. The invention further discloses an extraction method of the acer palmatum 'Jinling Huangfeng' extract and a separation method of active ingredients of the acer palmatum 'Jinling Huangfeng' extract. Scratch repair experiments directly prove that the acer palmatum 'Jinling Huangfeng' extract can significantly inhibit the migration ability of highly metastatic breast cancer cells MDA-MB-231. The separation method of the active components of the acer palmatum 'Jinling Huangfeng' extract is closely linked with anti-breast cancer metastasis activity screening, so that the experimental process has definite pharmacological guidance quality, the efficiency and success rate of finding the active components are greatly improved, and a high-value candidate resource is provided for developing anti-metastasis drugs.

The application provides a method for extracting lithium from waste batteries, which comprises the following steps: charging a waste lithium ion battery, crushing the battery under water to obtain a slurry; performing dielectrophoresis treatment on the slurry to separate negative electrode active material and positive electrode active material, and then performing plasma activation treatment on the obtained positive electrode active material slurry to obtain activated positive electrode active material; and then mixing the activated positive electrode active material with a lithium ion sieve adsorbent, performing first leaching and desorption, and obtaining a first lithium-containing solution. The method adopts dielectrophoresis separation treatment, effectively improves the separation rate and separation purity of the positive and negative electrode materials, simultaneously performs low-temperature plasma activation treatment on the separated positive electrode active material, effectively reduces the leaching resistance and contact efficiency of lithium, and adopts a lithium ion sieve adsorbent to perform lithium-specific adsorption and in-situ desorption, so that the recovery rate and purity of lithium recovery can be effectively improved.

The utility model discloses a kind of metal multistage sorting devices for lithium battery recycling, it is related to lithium battery recycling equipment field.The device includes the processing cylinder of inclined arrangement, and the peeling assembly and screening assembly are coaxially arranged in processing cylinder, and feeding filter plate with through-hole and driving motor are equipped at inlet, and driving motor transmission connects two components.Peeled off roll with rubber particles is used to peel off outerwear in peeling assembly, and screening assembly is separated by multistage baffle and discharge port, and external support assembly guarantees stable operation, and dust isolation net and powder collecting box with negative pressure impeller are arranged at air hole.The device realizes integrated processing, improves efficiency, reduces blockage and core damage, improves separation purity, effectively collects dust, and is suitable for efficient environmental protection recovery of waste lithium battery.

The invention discloses a purification method and application of bacitracin A, and relates to the field of biology. According to the method for purifying the bacitracin A, preparation of the high-purity bacitracin A is achieved through liquid chromatographic separation, the purity of the bacitracin A can reach 95% or above, the separation and purification process of the high-purity bacitracin A is simplified to a great extent, the loss of reagents in the separation and purification stage is reduced, and the yield of the high-purity bacitracin A is increased. The method has the advantages of high separation purity, less organic solvent dosage, simple device, simple and convenient process operation, environmental protection and the like, and is suitable for process production.

The utility model provides a kind of multistage condensing structure of air-water separation equipment, comprising: condensing shell, the lower end of condensing shell is provided with support base, the inside of condensing shell is also provided with two-stage separation mechanism, compared with prior art, the utility model has the beneficial effects as follows: by setting pre-separation section, by setting cyclone cavity in inlet pipeline and introducing low-temperature cold blast stream for tangential injection, the residual cold of itself system can be utilized to precool and cyclone dehumidification to inlet high-temperature high-humidity gas, so as to reduce instantaneous condensing load to improve equipment service life, while reducing the main cold source load and energy consumption of subsequent condenser, improve overall dehydration efficiency and equipment operation economy, another by setting two-stage separation mechanism, condensing efficiency and separation purity are greatly improved, significantly reduce the overall energy consumption of system and enhance the adaptability to complex gas composition.

The invention provides a time sequence neural network-based protein chromatographic purification anomaly detection and control method, which relates to the technical field of time sequence neural networks, and comprises the following steps: constructing a separation knowledge graph and mapping chromatographic process data to generate a feature vector, and predicting a separation behavior by using a time sequence neural network model of a bidirectional recursive structure, and then an optimization objective function is established to generate an optimal process parameter combination, and finally actual operation data is fed back to the knowledge graph to realize online optimization. According to the method, the protein purification accuracy can be improved, the abnormal risk can be reduced, and intelligent optimization and self-adaptive adjustment of process parameters can be realized.

The utility model relates to the technical field of concentrating machines, in particular to a polymetallic ore concentrating machine which comprises a first installation frame, a conveying belt, a feeding hopper and a second installation frame, the conveying belt is rotationally arranged in the first installation frame, and the feeding hopper is fixedly connected in the second installation frame. The discharging end of the feeding hopper is arranged above one end of the conveying belt, a magnetic attraction device is installed above the conveying belt, the magnetic attraction device comprises a connecting frame and a first belt, the connecting frame is arranged above the first installing frame, and the first belt is rotationally connected in the connecting frame; a second belt is further rotationally connected into the connecting frame and arranged on one side of the first belt. According to the magnetic attraction device, the magnetic metal ore in the polymetallic ore can be quickly classified and screened out, repeated treatment is not needed, the working time of extracting the magnetic metal ore in the polymetallic ore by equipment is shortened, and meanwhile the separation efficiency and purity of the magnetic metal ore are improved.

The invention relates to a method for extracting vanadium from a solution containing vanadium and chromium and separating the vanadium and the chromium. The method comprises the following steps: S1, adsorbing a feed liquid by using special resin SepliteLSC-2150 for vanadium extraction by the Blue Kiaozhou technology, so as to obtain adsorbed resin; s2, desorbing the adsorbed resin by adopting a sulfuric acid solution and sulfur dioxide to obtain a vanadium desorption solution and vanadium desorbed resin, and then washing the vanadium desorbed resin; and S3, the resin for desorbing vanadium is subjected to desorption treatment through an alkali solution, and a chromium desorption solution is obtained. By means of the method, vanadium can be effectively extracted from the solution containing vanadium and chromium, and effective separation of vanadium and chromium is achieved.

The invention relates to a cotton fiber recovery device suitable for refined cotton crushing equipment, which comprises a plurality of symmetrically arranged corona electrode plates, the outer ends of the plurality of corona electrode plates are fixedly connected with a plurality of uniformly distributed needle-shaped electrodes, the bottom ends of the corona electrode plates are fixedly connected with a flow guide cover, and the bottom end of the flow guide cover is fixedly connected with a separation basket. The outer end of the separation basket is fixedly connected with a plurality of rectangular grooves, the rectangular grooves are symmetrically arranged relative to the center face of the separation basket, the inner wall of the separation basket is fixedly connected with a first pole plate pair, a second pole plate pair, a third pole plate pair and a fourth pole plate pair, large cotton fiber particles are removed through primary separation, and the total amount of particles entering the electrostatic separator is reduced; the load of the electrostatic separator is reduced, the efficiency and the purity of treating small particles are improved, the electric charge quantity of cotton fiber particles and dust particles is increased through a corona discharge area, the cotton fiber particles and the dust particles are larger in stress in an electric field and more easily attracted to corresponding polar plates, the separation purity is improved, and the function of recycling the small-particle-size cotton fiber particles is achieved.

The invention relates to a spraying system for removing sediments in a pre-condenser in naphthalene-process phthalic anhydride production, and relates to the technical field of naphthalene-process phthalic anhydride production, the spraying system comprises a pre-condenser body, a gas-liquid separation device, a crude phthalic anhydride intermediate tank and a switching condenser, the surface of the pre-condenser body is provided with a first conveying pipe, and the first conveying pipe is provided with a second conveying pipe; a filtering assembly is arranged on the surface of the first conveying pipe, a connecting pipe is arranged at the other end of the first conveying pipe, the other end of the connecting pipe is arranged on the surface of the gas-liquid separation device, and a liquid phase pipe and a gas phase pipe are arranged on the surface of the gas-liquid separation device; by integrating the pre-condenser body, the gas-liquid separation device, the crude phthalic anhydride intermediate tank and the switching condenser, a complete gas-liquid separation and circulating spraying system is constructed, the efficiency and stability of the crude phthalic anhydride condensation process can be remarkably improved through the synergistic effect of all the components, and gas and liquid can be efficiently separated and impurities can be intercepted through the combination of the gas-liquid separation device and the filtering assembly.

The utility model relates to the technical field of extraction separation, especially, it is a kind of continuous extraction tower system, including extraction tower, pipeline mixer, metering pump and liquid storage tank;Its characterized in that: the extraction tower includes base and tower body, the tower body is sequentially arranged as clarification section, extraction separation section, settling section from top to bottom and is connected between each section by flange;The bottom of settling section is connected with base, the base one side is equipped with heavy phase outlet, and the other side is equipped with exhaust port;The extraction separation section is equipped with filler layer and is equipped with mixed phase import and separation observation sight glass in side wall;The clarification section top is equipped with clarification vent and is equipped with light phase outlet and circular observation sight glass in side surface;The application adopts pipeline mixer accurate control two-phase mixing and emulsification degree, flange connection combined tower body is combined with grading treatment mode, and segmented maintenance is convenient and efficient;Pipeline mixer and the synergistic effect of permeable structured packing, inhibit intermediate layer, improve mass transfer separation efficiency.

This utility model relates to the field of fluid separation technology, and more particularly to a retention chamber for separating mixed gases. The retention chamber has a hollow structure and can be positioned radially distal to the center of rotation of a primary separation device, rotating coaxially and synchronously with the primary separation device, and the two are connected. A Brownian motion suppressor is provided circumferentially inside the retention chamber, which effectively prevents the remixing of different gas components after separation, improving separation efficiency. Simultaneously, the retention chamber has a first end and a second end arranged axially inclined, with the internal space gradually increasing from the first end to the second end. A first exhaust port is located radially proximal to the first end, and a second exhaust port is located radially distal to the second end. This inclined shape allows different gas components to accumulate in different areas, which is beneficial for improving the purity of the separated gas and facilitates disassembly. This retention chamber has a simple overall structure and small size, and can be used to improve various traditional centrifuge devices on the market.

The invention relates to the field of waste grease separation, in particular to a waste grease multistage separation and purification device and method.The waste grease multistage separation and purification device comprises a vertically-through separation barrel, a limiting frame is slidably arranged in the separation barrel, a storage frame is rotatably arranged in the limiting frame, and a conical cover and a plugging plate are hinged to the upper side and the lower side of the storage frame through torsional springs; a water inlet pipe penetrates through one side of the separation barrel, a stirring assembly is arranged in the material storage frame, a main frame is arranged above the separation barrel, when the material storage frame rotates in the limiting frame, the inner wall stirring shafts are driven to rotate, and meanwhile, the annular ring is driven by external force to drive the other group of stirring shafts to rotate reversely through the supporting frame; the two groups of stirring shafts rotate in opposite directions, so that waste grease blocks can be effectively scattered, and the waste grease is separated from impurities and fully mixed with water; and the heating plate is combined to heat the water, so that the grease is fully melted in the water, and the separation efficiency and purity of the waste grease are further improved.

The utility model provides a flocculation settling tank for industrial wastewater, which comprises a flocculation tank, the top of the flocculation tank is sealed through a sealing cover, two sides of the middle of the flocculation tank are respectively connected with a feed pipe and a dosing pipe through pipelines, two sides of the bottom of the flocculation tank are connected with a discharge pipe and a backwashing pipe through pipelines, and the top of the sealing cover is fixedly connected with a driving box. An extrusion assembly is arranged in the flocculation tank, and the extrusion assembly is connected with a driving assembly arranged in the driving box; the stirring assembly comprises a stirring motor, the stirring motor is fixedly connected to the lower end face of the flocculation tank through a mounting base, the output end of the stirring motor is rotationally connected with a rotating shaft, and a stirring plate is fixedly connected to the rotating shaft. According to the utility model, the pressing plate and the extrusion assembly are arranged, and the driving assembly is utilized to accurately control the pressing stroke of the pressing plate, so that the flocculated clear liquid is extruded to rise and separate through the through hole, the flocculated liquid is preliminarily separated, the water content of the floc below is reduced, and the settling speed of the discharged floc is accelerated.

This invention discloses an online detection method and system for health hazard factors in drinking water based on pre-column derivatization, belonging to the field of water quality testing technology. The method includes: introducing a drinking water sample into a microfluidic chip-type derivatization reaction cell, where it reacts with a pH / temperature dual-response intelligent derivatization reagent to generate characteristic spectral derivatized products; acquiring spectral data using a micro fiber optic spectrometer, and calculating the derivatization efficiency in real time using a PID dynamic control model, automatically adjusting the reagent dosage and reaction conditions until the target is met; the target derivatized products are separated and purified twice by a two-dimensional chromatographic separation component and then transmitted to a dual internal standard correction machine learning model, where peak shape analysis, overlapping peak decomposition, dual internal standard correction, and quantitative regression calculations are performed to output the detection results and feed them back to the PID dynamic control model to update parameter thresholds. This invention improves the specificity, stability, and accuracy of the detection.

The application relates to the field of plastic film bag waste recycling, and particularly relates to a waste plastic film sorting and recycling equipment capable of screening impurities, which comprises a rack, a pretreatment mechanism, a conveying mechanism and a crushing mechanism; a feeding box is fixedly arranged on the rack; a gas flow sorting box is communicated below the feeding box; an impurity discharge port is arranged at the lower part of the gas flow sorting box, and a film discharge port is arranged at the side part; the pretreatment mechanism comprises first rotating shafts, a rotary driver and a translation assembly; supports are fixedly arranged on the inner wall of the feeding box; the two first rotating shafts are rotationally arranged on the supports; a brush roller is slidably sleeved on each first rotating shaft; the rotary driver is fixed to the rack; and the translation assembly is fixed to the support. The application realizes the functions of waste plastic film surface cleaning, layered unfolding and integrated sorting and recycling of light and heavy impurities, and solves the technical problem that the air separation sorting of the waste plastic film is invalid due to the overlapping and clumping of the waste plastic film caused by the adhesion of mud.

The invention discloses a method for establishing a trifolium repens protoplast separation and instantaneous transformation system. The method comprises the following steps: selecting tender and disease-free trifolium repens leaves for enzymolysis; washing the protoplast liquid with a pre-cooled modified W5 solution, and centrifuging the protoplast liquid to obtain a protoplast precipitate; mixing the plasmid with the protoplast, and adding a PEG-Ca < 2 + > solution; standing for 5 minutes at room temperature, so that the plasmids are in full contact with the protoplast; adding a W5 solution and a protoplast suspension, and incubating at room temperature in darkness; and observing the conversion effect through a confocal microscope. According to the method, the separation efficiency and purity of the trifolium repens protoplast are remarkably improved, the yield of the protoplast is improved, the biological activity of the protoplast and the reliability of subsequent experiments are guaranteed, and more efficient and stable technical support is provided for research and application of the trifolium repens; according to the method, the efficiency and success rate of instantaneous transformation of the protoplast are improved, and a more efficient and stable method is provided for molecular biology research and genetic improvement of plants.

The utility model discloses a dry -type magnetic separator with high -efficient unloading mine structure, including the machine case, the machine case top is equipped with the feed port, the even rotation of magnetic force roller is connected with in the machine case bottom of feed port, the even installation of spiral blade has in the machine case bottom of magnetic force roller, spiral blade bottom is equipped with drive mechanism, the one end of machine case is connected with the discharge chute, the inside rotation of discharge chute and machine case junction is connected with the unloading cylinder, a plurality of magnetic force roller and unloading cylinder are in line and set up, the unloading cylinder inside is provided with the magnetic block, the same drive mechanism is installed to unloading cylinder and magnetic force roller one end, the discharge chute inside is fixed with the scraper in unloading cylinder one side, and the scraper end portion is pasted and contacts the unloading cylinder surface, and through the dynamic function of spiral blade's turning over, the problem that material and magnetic force element contact is not sufficient in traditional equipment is solved, and the adsorption probability of magnetic particle in material is ensured to improve 30% or above.

This invention discloses a harmless wastewater resource treatment device for diseased and dead livestock and poultry carcasses, belonging to the field of wastewater treatment technology. To address the problem that existing wastewater resource treatment devices lack a dynamic extrusion mechanism, leading to the easy mixing of the separated oil phase with the aqueous phase and affecting subsequent treatment, this invention includes an air flotation oil removal component. The air flotation oil removal component is fixedly connected to one end of an output pipe, the other end of which is fixedly connected to one end of a valve. The other end of the valve is fixedly connected to a liquid storage tank assembly, which is connected to an extrusion component. The liquid storage tank assembly is fixedly connected to one end of a conveying pipe, the other end of which is fixedly connected to one end of a hydraulic pressure chamber, and the other end of the hydraulic pressure chamber is fixedly connected to one end of a double-conical tube. During wastewater treatment, this invention utilizes a pneumatic extrusion component to preferentially separate the lower aqueous phase through top-down extrusion, reducing the mixing of oil and grease into the aqueous phase and improving separation purity.

This invention proposes a high-precision heart rate estimation method and system based on millimeter-wave radar, belonging to the field of radar detection technology. The method includes: processing the target echo signal received by the millimeter-wave radar to extract a phase-time signal reflecting chest cavity vibration; extracting the respiratory fundamental frequency from the phase-time signal and generating a respiratory reference signal containing its harmonic components based on the respiratory fundamental frequency; and using an adaptive filter, with the respiratory reference signal as a reference input, filtering the phase-time signal to suppress the harmonic components generated by the respiratory fundamental frequency and separate the initial heartbeat signal. This invention enhances the high-frequency components of the heartbeat signal while suppressing noise amplification, significantly improving the quality of the heartbeat signal in low signal-to-noise ratio environments. Employing a high-resolution spectrum estimation method, it can clearly extract the heartbeat frequency spectrum peaks from the enhanced signal, thereby achieving high-precision and robust heart rate estimation in complex environments.

The utility model discloses a high pressure gas separation device relates to gas separation technical field, including processing jar, the top of processing jar is provided with the jar cover, the inner wall both sides of processing box all are provided with the limit sliding block, and the limit sliding block both sides of two all are provided with the clamping groove in and are provided with the breathable net in. The utility model discloses through starting high pressure pump and compressing gas to the inside bottom side of processing jar, and gas will pass through two groups of adsorption membrane, and the first group membrane preliminary intercepts macromolecular impurity, and reduces the follow -up membrane layer load, and the second group membrane further selectively adsorbs target gas, and improves separation purity, and two groups of membrane series connection or parallel connection design, and share high pressure impact to prolong life, and reduce cross -contamination, and finally output high -purity gas and reduce maintenance cost, and through the limit sliding block and the sliding slot that are equipped with can take out adsorption membrane from processing jar, in addition, the adsorbent is placed in the inner wall of sliding block, and through the breathable net can adsorb the gas peculiar smell in processing jar.

This invention relates to the technical field of Napier grass seed treatment equipment, specifically an integrated flexible de-hair removal treatment device for Napier grass seeds. A drive motor is fixedly connected to the outer wall of one side of the treatment box via a bracket. A drive rod is fixedly connected to the output end of the drive motor. A first gear is fixedly connected to the middle wall of the drive rod. A symmetrically arranged rotating rod is rotatably connected to the inner wall of the treatment box via bearings. Treatment rollers are fixedly connected to the walls of each rotating rod, and a staggered flexible brush and barbs are fixedly connected to the outer wall of each treatment roller. The side of the rotating rod closest to the first gear extends to the outside of the treatment box via bearings and is fixedly connected to a second gear. The beneficial effects of this invention are that the staggered flexible brush and barbs on the treatment rollers work synergistically, achieving a high de-hair removal rate by precisely removing the bristles through the barbs and assisting in combing with the flexible brush, while avoiding damage to the seed embryo caused by traditional rigid impacts / crushing, significantly reducing seed breakage and ensuring subsequent germination viability.

The invention relates to an exosome separation and extraction method, in particular to a human peripheral blood macrophage exosome separation and extraction method. The invention discloses a method for separating and extracting human peripheral blood macrophage exosomes, which has the characteristics of convenience in collection, safety and reliability compared with a common separation and extraction method, avoids the problems of ethical heredity and rejection anaphylaxis of exosomes of heterologous tissue cells or exosomes of allogeneic tissue cells such as umbilical cord, abdominal cavity and the like, and has the advantages of simple operation and high efficiency. The exosome is easy to apply clinically and is an ideal source exosome.