20results about How to "High separation purity" patented technology

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 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 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 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 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.

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 utility model discloses an improved equipment of impurity separation in titanium concentrate concentration process belongs to titanium concentrate processing technical field, and this equipment includes the box of removing impurity, and the top of box of removing impurity is equipped with support plate and motor, and the rotation of magnet ring is driven through a series of transmission structure to adsorb iron impurity, and the box of removing impurity is equipped with baffle, inclined plane piece and other structure still, and cooperate the filter screen, stirring vane, shower nozzle, vibration motor etc. in the feed hopper, can carry out the pretreatment to titanium concentrate before removing impurity, and effectively remove various impurities, and the titanium concentrate and impurity after separating respectively through the different discharge port in the collection box and discharge, the utility model discloses through the effective separation of iron impurity etc. in titanium concentrate powder, has improved the purity of titanium and the content of TiO2, has increased the whiteness, has improved the effect of removing impurity simultaneously, has reduced the loss to the equipment.

The application discloses a static adsorption type plastic and metal solid waste grading separation device, and relates to the technical field of solid waste separation.The device comprises a grading box, a first fixed plate is fixedly connected to the bottom end of the grading box, a spring is fixedly connected to the bottom outer wall of the first fixed plate, a table plate is fixedly connected to the end of the spring away from the first fixed plate, a suction box and a support frame are fixedly connected to the bottom of the table plate; a grading screening assembly is arranged in the grading box; a dust collection assembly for adsorbing metal particles and a discharge assembly for releasing voltage are arranged in the suction box.In the application, the grading separation mode of "grading screening combined with large-particle-size air separation and small-and-medium-particle-size static adsorption" is adopted, so that efficient separation of solid wastes with different particle sizes and different materials is realized, and the structure linkage design of screening, air separation and static adsorption greatly improves the separation efficiency and purity, and meets the use requirement of people.