2155 results about "Separation process" patented technology

The invention provides a chemical sewage advanced treatment system and method based on multistage membrane separation, and relates to the technical field of chemical sewage treatment.The method comprises the steps that pollution load data under preset membrane flux is collected, and the cascade reflux amount in the current membrane separation process is determined through the pollution load data and a real-time pressure index during membrane separation filtration; according to the separation interference deviation, the steady-state filtering period of the membrane separation filtering grade in the constant flux change is predicted, the steady-state filtering period is synchronously screened, and the full-flow separation limit of the multistage membrane separation unit in different pollution loads is obtained; and generating a separation regulation and control index when the equivalent flux generates peak offset according to the cascade reflux quantity and the full-flow separation limit, and performing starting point triggering on the treatment flow of the multistage membrane separation sewage and dirt. Under the dynamic working condition of operation of the multistage membrane separation system, balance adjustment can be carried out on the advanced treatment process trigger of the chemical sewage, so that the standard-reaching rate of membrane separation chemical sewage advanced treatment is increased.

The invention discloses a dynamic fluidized bed system and a dynamic fluidized separation method, belongs to the technical field of fluidized particle separation system measurement, and aims to solve the problem of poor detection precision of a mixed separation state of pulverized coal in a separation process in the prior art. In the dynamic fluidized bed system, a pressure acquisition unit acquires pressure signals at different positions of a bed layer in the vertical direction and transmits the pressure signals to a controller, the controller receives the pressure signals, calculates pressure difference signals, converts the pressure difference signals into density signals, and processes the density signals to generate a Hilbert map of particles in the bed layer; and judging whether the bed layer is in a mixed state or a separated state according to the Hilbert spectrum. The method can be used for dynamic fluidized separation of raw coal.

The invention discloses a preparation method and application of a pH-responsive controllable oil-water separation material, polyurethane sponge is used as a substrate, polypyrrole is attached to the sponge substrate through an in-situ polymerization method, a pH-responsive polymer is introduced into the sponge substrate through a soaking method, and finally the pH-responsive controllable oil-water separation material is obtained. The controllability of the material in the oil-water separation process is reflected as follows: due to the introduction of the pH responsive polymer, the surface of the material has pH responsiveness, the surface of the material has different wettability by adjusting the pH value, different types of oil-water mixtures can be controllably separated in a targeted manner, and the adsorption and desorption of oil products can be realized. Due to the introduction of polypyrrole, the material has good photo-thermal conversion capacity, the viscosity of crude oil can be effectively reduced, and the absorption rate of the crude oil can be improved. The material with pH responsiveness has wide application prospects in the fields of oil-water separation, oil product adsorption and desorption and crude oil absorption.

The invention relates to the technical field of liquid chromatography-mass spectrometry series connection, and particularly discloses a method for detecting folic acid metabolites of red blood cells through the liquid chromatography-mass spectrometry series connection technology. And an image analysis algorithm based on artificial intelligence and deep learning is utilized to extract a chromatographic separation state, so that gradient parameters are dynamically adjusted, the requirement of manual intervention is reduced, and the separation process of a target object in a complex matrix is favorably optimized. Particularly, key features in a chromatogram can be automatically identified and quantified based on a deep learning method, and gradient elution parameters are intelligently and dynamically adjusted according to the information, so that more optimized substance separation and detection can be realized. For example, if separation of a certain component is not ideal, the separation effect of the component can be improved by adjusting the proportion of the mobile phase B, so that the gradient elution process is optimized.

The invention relates to the technical field of nano magnetic bead preparation, and discloses a magnetic bead continuous separation device. The magnetic bead continuous separation device comprises a magnetic bead separator, a magnetic field generating device and a driving device, the driving device is used for driving the magnetic field generating device to be close to or away from the side wall of the magnetic bead separator, the magnetic bead separator is hollow, one end of the magnetic bead separator is provided with a first liquid inlet and a second liquid inlet, and the other end of the magnetic bead separator is provided with a first liquid outlet and a second liquid outlet. According to the invention, a plurality of separation processes can be integrated in the same structure, so that the system configuration is simplified, and the requirements of automation and large-scale continuous treatment in the magnetic bead purification process are effectively met.

The invention relates to a narrow particle size distribution nickel-rich precursor, a preparation method thereof and a positive electrode material, the preparation method is a co-precipitation method, accurate regulation and control of precursor crystal nucleation and growth are realized by adjusting process conditions of different reaction stages and metal solution feeding flow and complexing agent types in different reaction stages, and the nickel-rich precursor with the narrow particle size distribution is obtained. The nickel-rich precursor with uniform morphology and good sphericity degree and narrow particle size distribution is finally obtained, so that the electrochemical performance of the positive electrode material is remarkably improved; moreover, the preparation method provided by the invention does not need to adopt specific reaction kettle equipment, does not need a complicated kettle separation process, is simple and controllable in preparation process, and is easy for industrial production.

The invention discloses an improved YOLOv10-based molybdenum ore resource automatic detection method and system, and belongs to the technical field of computer vision beneficiation, and the improved YOLOv10-based molybdenum ore resource automatic detection method and system comprise a YOLOv10-based improved model and an X-ray sorting technology. According to the method, a complete automatic detection and separation process is formed by organically combining a YOLOv10-based improved model and an X-ray separation technology, and a formed molybdenum ore resource detection and separation scheme is not limited by physical and chemical properties of molybdenum ore; compared with the traditional manual detection and sorting mode, the molybdenum ore resource sorting method has the advantages of greatly reducing manual intervention and operation time, and remarkably improving the working efficiency of the whole molybdenum ore resource sorting process, and has the remarkable advantages in the aspects of detection accuracy, sorting efficiency, resource utilization rate, adaptability to different working conditions and the like.

The invention provides a methane recovery and purification system in intelligent cleaning equipment, which relates to the technical field of environmental protection, and is characterized in that methane-containing gas is collected from the cleaning equipment, moisture and small particles in the gas are removed to obtain preliminarily purified gas, and then methane is separated and recovered by using a separation technology to obtain purified gas. And the purified methanol is obtained through multi-stage purification treatment. According to the methane recovery technology, a time sequence of gas components, a time sequence of physical properties and a time sequence of process parameters need to be obtained, and local time sequence coding and causal context time sequence aggregation are carried out, so that a separation technology recommendation result is recommended, and operation parameters are dynamically adjusted. Therefore, subjective experience can be abandoned, gas characteristics and process requirements are monitored in real time and accurately matched, the accuracy and objectivity of separation technology selection are improved, and it is ensured that the separation process is always in the optimal state.

The invention discloses a method for slowing down membrane scaling and improving membrane treatment capacity in saline-alkali water treatment, and belongs to the technical field of agricultural saline-alkali water treatment and membrane separation, and the method comprises the following steps: (1) for hardness ions with the highest content in saline-alkali water to be treated, calculating the theoretical ion concentration # imgabs0 # of the hardness ions on the surface of a separation membrane and the inorganic scaling supersaturation index SI under a set working condition, predicting the membrane scaling trend in the separation process, and determining the target removal rate of the hardness ions in the agent softening process; (2) calculating the target removal rate of other hardness ions in the saline-alkali water to be treated; (3) optimizing the process parameters of the agent softening process so as to achieve the target removal rate of the hardness ions calculated in the above steps; and (4) carrying out agent softening on the saline-alkali water to be treated under the optimized process parameters, and filtering the saline-alkali water softened by the agent by using a separation membrane, thereby retarding membrane scaling and improving the membrane treatment capacity.

The utility model belongs to the technical field of recovery of coking chemical products in the metallurgical coking industry, and particularly relates to a crude benzene oil-water separation integrated device which is characterized by comprising an oil-water separation area, an oil phase collection area and a water phase collection area, and a partition plate is annular and defines the oil-water separation area in the middle and the oil phase collection area surrounding the oil-water separation area; a crude benzene diversion weir is arranged between the periphery of the top of the partition plate and the oil phase collecting region; a flow guide expansion head and a flow guide baffle are arranged at the bottom of the inlet liquid guide pipe, and a dispersion flow channel in the transverse circumferential direction is formed between the flow guide expansion head and the flow guide baffle; a drainage pipe at the bottom of the oil-water separation area is provided with a diversion collector for transversely draining and collecting separated water from the periphery. The crude benzene oil-water separation device has the beneficial effects that the existing crude benzene oil-water separation process is improved, oil-water separation and reflux are integrated, and the equipment integration device saves the occupied area, simplifies the process flow and is convenient to operate and maintain.

The invention relates to an air pre-impurity-removal control method and system for enrichment and separation of Kr, and relates to the technical field of gas separation and purification, and the air pre-impurity-removal control method comprises the following steps: removing impurity components in air through an impurity removal device to obtain air subjected to impurity removal treatment; carrying out multi-stage enrichment and separation treatment on the air subjected to impurity removal treatment to obtain enriched Kr gas; and introducing the enriched Kr gas into a chromatographic separation device, and separating krypton from other inert gases to obtain a target krypton component. The problems that in the traditional Kr enrichment and separation process, due to the fact that air impurities are prone to icing, the device is blocked, the multi-stage separation parameter adaptability is poor, and the enrichment efficiency is low are solved, and through pre-impurity removal of intelligent parameter configuration and multi-stage enrichment of gradient temperature control, the Kr separation stability, the enrichment efficiency and the target component purity are improved.

The invention belongs to the technical field of edible fungus cultivation, and discloses an automatic bag removing device for edible fungus matrixes, which comprises a processing table, a six-edge support is fixedly mounted on the processing table, lifting cylinders are fixed on the upper and lower end faces of the six-edge support, and cutting knife rests are fixed at the output ends of the lifting cylinders. Six groups of tearing structures for clamping and expanding the bag body are mounted on the six-edge bracket at equal angles; electric sliding rails are symmetrically fixed to the two sides of the upper surface of the machining table, a sliding support is slidably installed on the electric sliding rails, an outer positioning ring is fixed to the sliding support, a rotating frame is rotatably installed in the outer positioning ring, and a limiting structure for clamping and limiting a bag body filled with edible fungus matrixes is arranged on the rotating frame. The bag body can be clamped, expanded and cut apart, so that the bag body is effectively torn and separated from a mushroom stick, damage to hyphae in the mushroom stick is avoided in the separation process, and the bag removing effect is good.

The invention belongs to the technical field of mineral separation processes, and particularly relates to a magnetic separation process for low-grade potassium feldspar ore, which comprises the following steps: (1) crushing: crushing low-grade potassium feldspar raw ore; (2) ore grinding: grinding the fine particle raw materials to obtain ore pulp; (3) desliming: desliming the ore pulp to obtain a material containing magnetite and other weakly magnetic minerals; (4) removing strong magnetic magnetite through weak magnetic separation; (5) superconducting magnetic separation: carrying out superconducting magnetic separation on the magnetite-removed material to obtain potassium feldspar concentrate; (6) concentration is conducted, specifically, concentrate is subjected to concentration, and residual impurities are removed; and (7) dewatering and drying: dewatering and drying the concentrated concentrate to obtain a final product. According to the method, a two-step magnetic separation process is adopted for the low-grade potassium feldspar raw ore, weakly magnetic iron-containing impurities in the potassium feldspar raw ore are effectively removed, the impurity removing and whitening effects are achieved, the potassium feldspar powder with high purity and high whiteness is obtained, and the method is free of pollution and suitable for large-area application and popularization.

The invention provides an improved ammonia production system based on a temperature swing adsorption principle. The improved ammonia production system comprises a water electrolysis hydrogen production module, a deep cooling air separation nitrogen production module, a multi-stage ammonia synthesis tower module and a double-bed circulating adsorption separation ammonia module, the water electrolysis hydrogen production module and the deep cooling air separation nitrogen production module provide raw material gas for the multi-stage ammonia synthesis tower module through a mixer, low-grade waste heat of a multi-stage ammonia synthesis tower serves as a heat source of the double-bed circulating adsorption separation ammonia module, and the double-bed adsorption separation ammonia module is connected with the multi-stage ammonia synthesis tower. The working conditions of an adsorption bed of the double-bed ammonia adsorption and separation module comprise an adsorption working condition and a desorption working condition, the adsorption bed alternately performs the adsorption working condition and the desorption working condition within the operation time, and low-grade waste heat from a multi-stage ammonia synthesis tower is used for driving to perform separation operation on ammonia synthesis gas so as to obtain high-purity ammonia; according to the invention, the operation pressure in an ammonia product separation project can be effectively reduced, circulation is formed, and the purity and the recovery rate of the obtained ammonia product are not reduced while the waste heat in the system is further utilized.

The invention relates to the technical field of oil-water separation, and discloses oil-water separation equipment which comprises a pool body, an annular discharging groove and a water outlet are formed in the inner side wall of the pool body, a separation baffle is installed on the inner wall of the annular discharging groove through an extending frame, and an oil collecting channel is further installed on the inner wall of the separation baffle. The lower end of the oil collecting channel is communicated with an oil outlet pipe; the tank body is provided with a feeding cylinder and a sludge discharging pipe, a pushing scraping plate is mounted on the outer side wall of the feeding cylinder through a rotating frame, the lower end of the feeding cylinder is communicated with a feeding pipe, and a feeding port is formed in the outer side wall of the feeding cylinder; the invention further discloses an oil-water separation process which comprises the following steps: S1, sewage introduction and pretreatment; s2, primary separation; s3, fine separation; s4, collecting and discharging oil liquid; and S5, water discharging: a multi-stage separation structure is adopted, the separation efficiency is greatly improved through multi-stage cooperation, a good separation effect on oil drops with small particle sizes is achieved, and the environment-friendly discharge requirement is met.

The invention provides a metal material recycling device and a method for leaching fluorine beryllium thallium and lithium rubidium cesium in lithium slag. Relates to the field of metal material recycling, and comprises a leaching tank placed on the ground through four supporting frames, the top of the leaching tank is fixedly provided with a top cover, and the bottom of the leaching tank is fixedly provided with a bottom cover. According to the metal material recycling device and the leaching method for fluorine beryllium thallium and lithium rubidium cesium in the lithium slag, the ultrasonic generator is arranged to supply energy to the first ultrasonic transducer and the second ultrasonic transducer to generate ultrasonic waves, the ultrasonic waves generate microjet flow to impact the surface of minerals, acid liquor permeation and ion diffusion are accelerated, the leaching time is shortened, and the efficiency is improved; the surface of the lithium slag is not prone to passivation, the leaching rate of target metal ions is increased, the leaching liquid is pumped out through the water suction pump, manual contact with the leaching liquid in the next solid-liquid separation procedure is facilitated, dilute sulfuric acid is supplemented through the acid supplementing pipe, then the lithium slag is placed through the funnel, and the consistency and controllability of starting of the leaching reaction are guaranteed.

The invention provides a catalyst recovery control system and method based on multi-stage centrifugal separation, and relates to the technical field of catalyst separation, the system comprises: a device building module for building a multi-stage centrifugal separation device; the separation and analysis module is used for determining M catalyst centrifugal process parameters; the separation treatment module is used for performing preliminary separation treatment on the target mixture and acquiring M catalyst state parameters at the same time; and the recovery control module is used for carrying out separation effect calculation and multi-stage dynamic adjustment on the M catalyst centrifugal process parameters according to the catalyst state parameters, determining multi-stage centrifugal separation strategy parameters and carrying out catalyst recovery control on the target mixture. The technical problem that the catalyst recovery efficiency is low due to the fact that the catalyst separation efficiency is insufficient and the catalyst is wasted in the prior art can be solved, the optimization of the catalyst state in the whole separation process is ensured through multi-stage centrifugal separation, and the catalyst recovery efficiency is improved.

The invention relates to a coal gangue all-component resource utilization method based on a grading and grading process, and belongs to the technical field of solid waste resource utilization. Aiming at the technical bottlenecks of high component mixing degree, low resource utilization rate, low product added value and the like in the traditional coal gangue treatment process, the method innovatively constructs an integrated process system of three-stage crushing and screening coordinated multi-path resource conversion. The specific implementation process comprises the steps that firstly, size grading is conducted on coal gangue through a combined crushing system of a jaw crusher, a hammer crusher and an impact crusher, and accurate separation of coarse coal, stone and soil is achieved through a three-stage vibration screening system according to the selective crushing characteristics of different minerals in the aspects of density, hardness and mechanical properties. Wherein the materials with the size fraction larger than 25 mm are subjected to impact type crushing to strengthen quartz component decomposition and separation, the materials with the size fraction ranging from 25 mm to 6 mm are subjected to multi-section hammer type crushing to promote kaolin enrichment, and finally coarse coal, stone and soil products are formed.

The invention relates to a method for separating azeotrope of 1-fluoro-1, 1-dichloroethane and 1, 1, 1, 3, 3-pentafluorobutane through extractive distillation. According to the method for separating the 1-fluoro-1, 1-dichloroethane and the 1, 1, 1, 3, 3-pentafluorobutane azeotrope through extractive distillation, an extracting agent is added into the 1-fluoro-1, 1-dichloroethane and the 1, 1, 1, 3, 3-pentafluorobutane azeotrope, and the extracting agent is one or more of n-amyl alcohol and n-heptanol. The method adopts intermittent extractive distillation or continuous extractive distillation operation, and has the advantages of simple and efficient separation process, high product purity and the like. The loss rate of the extracting agent is low, the extracting agent can be recycled, and environmental pollution can be avoided.

The invention relates to the technical field of air flotation oil removal, and discloses a rotational flow air flotation oil removal device and an oil-water separation process. The rotational flow air flotation oil removal device comprises a tank body; the cyclone assembly is arranged in the tank body and comprises a cylinder body fixedly mounted in the tank body; the gas distribution assembly is coaxially arranged at the bottom of the mixing cavity; the gas distribution assembly comprises a gas distribution disc rotationally arranged at the bottom of the mixing cavity, a gas inlet pipe connected with the center of the bottom of the gas distribution disc in a penetrating mode, a plurality of sets of cylindrical gas holes formed in the radial direction of the gas distribution disc in an array mode, a plurality of sets of spiral cover plates covering the gas distribution disc and conical gas holes formed in the spiral cover plates and corresponding to the cylindrical gas holes. According to the rotational flow air flotation oil removal device, the air distribution disc is driven to rotate intermittently, so that the cylindrical air holes correspond to the conical air holes of the spiral cover plate alternately, tiny bubbles and large bubbles matched with oil drops with different particle sizes are generated, and effective capture of tiny oil drops and rapid separation of medium and large oil drops are achieved.

The invention relates to a waste liquid treatment device for automatically separating radionuclides. The waste liquid treatment device comprises a first waste liquid collection passage and a second waste liquid collection passage, an upstream liquid supply channel shared by the two channels comprises an injection pump and a multi-way valve, and the injection pump inputs liquid into the multi-way valve. The first waste liquid collecting channel directly guides cleaning liquid, replacement liquid and the like which do not need to be reserved into a waste liquid barrel through a first output port of the multi-way valve. The second waste liquid collecting channel is sequentially connected with a plurality of resin columns, a waste liquid tank, a peristaltic pump and a waste liquid barrel through a second output port of the multi-way valve, waste liquid generated by the resin columns firstly enters the waste liquid tank for temporary storage, and when the liquid level of the waste liquid tank reaches a preset threshold value, the peristaltic pump automatically pumps and discharges the waste liquid into the waste liquid barrel for centralized collection. The device can distinguish reserved liquid from waste liquid according to steps, realizes automatic flow division, temporary storage and discharge of the waste liquid, avoids manual pouring of the waste liquid halfway, ensures continuous operation of a long-time and multi-channel separation process, and reduces the risk of personnel exposure in a radioactive waste liquid treatment process.

The invention relates to the technical field of heterogeneous catalysis and fine chemical engineering, and discloses a rhodium-tungsten para-site MOF-based catalyst as well as preparation and application thereof. The invention relates to a rhodium-tungsten para-site MOF-based catalyst, which is composed of a catalytic active component, a metal additive and a carrier. The rhodium-tungsten para-site MOF-based catalyst provided by the invention takes a metal organic framework material as a carrier, an active component Rh and a metal additive W are stably anchored on the surface of the carrier, and an Rh-WOx para-site is successfully constructed; the rhodium-tungsten para-site MOF-based catalyst provided by the invention shows excellent catalytic activity and excellent cycle stability in olefin hydroformylation reaction, and overcomes the technical bottlenecks that noble metals in a homogeneous catalysis system are easy to lose and energy consumption is high in a product separation process; an efficient and stable catalyst design thought is provided for olefin hydroformylation reaction, and the catalyst has a good industrial application prospect.

The invention provides a gas purification and separation method and device, and belongs to the technical field of gas purification. The method comprises the following steps: mixing process gas and methanol, and sequentially carrying out condensation treatment and gas-liquid separation treatment to obtain gas-liquid separation process gas and acidic gas condensate; carrying out methanol washing on the gas-liquid separation process gas to realize desulfurization and decarbonization so as to obtain purified gas and rich methanol (including first sulfur-containing methanol and carbon-rich methanol); carrying out first flash separation treatment on the acidic gas condensate to respectively obtain acidic gas, second sulfur-containing methanol and solid carbon dioxide; washing the solid carbon dioxide with methanol, dissolving the solid carbon dioxide in methanol, and carrying out second flash separation treatment on the obtained methanol rich in carbon dioxide to respectively obtain gas carbon dioxide and cold methanol containing carbon dioxide; the carbon dioxide-containing cold methanol can be reused for dissolving the washed solid carbon dioxide after being heated; heat exchange is carried out between the second flash separation treatment and the condensation treatment. The method has a good process gas purification and separation effect, and has the advantages of energy conservation and consumption reduction.

The invention relates to the technical field of lead-zinc ore beneficiation, in particular to a lead-zinc ore dense medium grading selection-flotation combined separation system and a separation process, and the system comprises a dense medium separation system and a flotation system. The dense medium separation system comprises a crushing and screening unit, a dense medium coarse fraction separation unit, a dense medium fine fraction separation unit and a fine ore water treatment unit, an outlet of the crushing and screening unit is divided into a coarse fraction outlet, a fine fraction outlet and a fine ore outlet, the coarse fraction outlet is connected with the dense medium coarse fraction separation unit, and the fine fraction outlet is connected with the fine ore water treatment unit; the fine fraction outlet is connected with the dense medium fine fraction separation system, the fine ore outlet is connected with the fine ore water treatment unit, and a coarse fraction gravity concentration concentrate outlet of the dense medium coarse fraction separation unit, a fine fraction gravity concentration concentrate outlet of the dense medium fine fraction separation unit and a concentrated fine ore outlet of the fine ore water treatment unit are connected with the flotation system. The method has the advantages of high economic benefit, low production cost, energy conservation, environment friendliness and the like, and the lead-zinc ore dressing efficiency and the metal recovery rate are effectively improved.

The invention belongs to the technical field of membrane separation, and relates to a self-repairing type polydimethylsiloxane pervaporation membrane based on disulfide dynamic covalent bonds, which is prepared by adding 4, 4 '-diaminodiphenylmethane into epoxy-terminated polydimethylsiloxane in a nitrogen atmosphere. Self-repairing type polydimethylsiloxane pervaporation membrane material prepared by curing interpenetrating network formed by physically blending disulfide dynamic covalent bond-based self-repairing type polydimethylsiloxane obtained by reflux reaction of dichloromethane solution of 4, 4 '-dithiodiphenylamine and methacrylate-based polydimethylsiloxane and coating polyvinylidene fluoride with self-repairing type polydimethylsiloxane pervaporation membrane material and an ethylene supporting layer. When the pervaporation membrane is subjected to external damage, especially when the pervaporation membrane is scratched by solid substances in the separation process, the pervaporation membrane does not need to be replaced, the repairing function can be achieved only through external heating, no additional solvent is needed in the repairing process, and the method can be used for separating butanol.

The invention provides a lignin extraction-sulfonic acid modification integrated preparation method based on eutecticevaporate solvent coupling microwaves, lignin sulfonate and application, and belongs to the technical field of oilfield chemistry. The preparation method comprises the following steps: mixing choline chloride, epichlorohydrin and 4-hydroxybenzenesulfonic acid, heating and stirring to obtain a deep eutectic solvent ternary system; the method comprises the following steps: adding biomass powder into a deep eutectic solvent ternary system, and reacting under a microwave condition; after the reaction is completed, filtering, and adjusting the pH value of the obtained filtrate to be neutral to obtain a mixed solution; and then adding an organic solvent into the obtained mixed solution for precipitation, filtering, washing and drying to complete lignin extraction-sulfonic acid modification. According to the method, in-situ grafting of sulfonic acid functional groups is realized in the lignin separation process through the ternary eutectic solvent in combination with microwave-assisted extraction, so that sulfonation modification of lignin is completed. After sulfonation modification, the obtained sulfonated lignin is applied to the drilling fluid, and the viscosity reduction effect can be achieved.

The invention relates to the field of separation devices and using methods, in particular to a residue separation device for grain vinegar production and a using method, the residue separation device comprises a separation box, a rack, an extrusion plate A, an extrusion plate B, a control cylinder, a linkage assembly, a filter screen, a cleaning brush, a sealing cover and a linear driving structure; the inner side of the separation box is slidably connected with a rack; an extrusion plate A is welded on the inner side of the rack; an extrusion plate B is arranged at the upper end of the extrusion plate A; a control cylinder for controlling the extrusion plate B to lift is mounted at the upper end of the rack; grain vinegar residues in a filter bag are preliminarily extruded through an extrusion plate B, then the extruded vinegar juice is further filtered through a filter screen, the separation efficiency and quality are improved, a linkage assembly is arranged on the inner side of the device, when the extrusion plate B descends, a cleaning brush is driven to move on the upper surface of the filter screen, blockages are automatically removed, and the device is convenient to use. And the separation box is driven to move up and down in the grain vinegar residue separation process, so that the residue separation speed and efficiency are improved.

The invention relates to the technical field of biological separation materials, and discloses an amine-functionalized magnetic nano composite material and application thereof in protein separation and purification. The material has a core-shell structure and comprises a magnetic ferroferric oxide nano core, an ordered mesoporous silicon dioxide intermediate layer and a covalent grafted polyethyleneimine functional layer. By controlling the matching relationship between the pore diameter of mesopores and the molecular size of the polymer and adopting a crosslinking strategy, the material has high magnetic responsiveness, rapid mass transfer performance and high-density surface amino groups. The material shows high adsorption capacity, rapid adsorption kinetics and good cycle stability in the protein separation process, and is suitable for enrichment purification and metal chelating affinity separation of protein in a biological sample. According to the invention, the technical problems of low protein adsorption capacity, slow dynamics and poor cycling stability caused by compact shell layer, non-uniform amino distribution and limited mass transfer of the existing amine functionalized magnetic material are solved.

The invention discloses a cycloolefin copolymer / carbon nanotube hybrid material modified oil-water separation sponge, relates to the field of high polymer materials, and provides a novel cycloolefin block copolymer which can be obtained by ring-opening metathesis polymerization of cycloolefin and 5-norbornene-2-carboxylic acid methyl ester under the catalysis of a third-generation Grubbs catalyst. The method is simple in process, and the length of the 5-norbornene-2-carboxylic acid methyl ester block can be accurately regulated, so that the nano shish-kebab structure and the surface performance of the nano shish-kebab structure can be regulated. The process for preparing the nano-hybrid shish-kebab from the cycloolefin block copolymer and the carbon nanotubes is simple in technology, the surface of a rough surface material such as polyurethane sponge can be uniformly covered with the nano-hybrid shish-kebab to form a thin film, super-hydrophobicity can be achieved, and meanwhile the nano-hybrid shish-kebab has oleophylic performance; and the oil-water separator has high separation efficiency and good wear resistance in the oil-water separation process.

The invention discloses a water quality purification and circulation device in a rutile separation process, and relates to the technical field of water quality purification and circulation. Comprising a main body, a fixing frame is fixed to the bottom end of a lifting assembly, a stirring assembly is arranged at the bottom of the fixing frame, a plurality of stirring plates are arranged at the bottom of the fixing frame, the whole stirring plates are in a broken line shape, a discharging assembly is arranged in a storage barrel, and a moving assembly is arranged on one side of a discharging pipe. A bidirectional screw rod rotates to drive two sliding blocks to move bidirectionally, then a connecting plate drives a lifting plate to move in a reciprocating manner, so that a stirring plate and a filter plate stir wastewater and a coagulant, a second bevel gear rotates to drive a first bevel gear to rotate, the first bevel gear drives a cam to rotate, and then a moving plate moves in a reciprocating manner; when the moving plate moves, the stirring plate is driven to integrally contract or expand towards the first connecting rod fixedly connected with the fixed plate, so that the wastewater and the coagulant are fully mixed through the moving stirring plate.