34results about How to "Realize industrial operation" patented technology

Disclosed is a method for flax seeds decortication and separation, comprising dehydrading flax seeds to a moisture percentage of 2-4%; feeding same into a rotary centrifugal decortication machine continuously, decorticating the flax seeds to form a mixture of shells and kernels; and separating the shells and kernels mixture through an electrostatic field. An apparatus realizing said method comprises a centrifugal decortication machine, screen means mounted on the discharge side of the centrifugal decortication machine, a convey belt mounted on the discharge side of the screen, and electrostatic absorption means mounted over the discharge terminal of the convey belt front part. The method is provided with continuously industrialization production for large amounts of product, complete seperation of shells and kernels, and high production efficiency to shorten the art time from the flax seeds feeding, decorticating to discharging by 80%, decrease full cost by 50%, and produce no environmental waste materials.

The invention belongs to the field of construction engineering, and relates to construction technology of building structures, in particular to the technology of adopting the construction method of assembly-cast-in-place to realize the dense column structure used in residential buildings with shear wall system. It is suitable for multi-storey and small high-rise residential buildings with shear wall system, and can also be used for shear wall structures of other industrial and civil buildings. In the present invention, dense columns (7) are arranged in the cavity of the prefabricated building hollow wall formwork (8) and connected with cast-in-place corner columns (5), cast-in-place beams (4), floor slabs (1) and other components to form an assembled-on-site Poured dense column structure. Adopting the assembly-cast-in-place dense column structure with good structural performance of the present invention, in the construction of multi-storey and small high-rise residential buildings of the shear wall system, the cast-in-place concrete wall does not need traditional wall formwork, which improves the assembly-type concrete structure. The prefabrication rate of the structure realizes the industrialized operation on the construction site, which can be used in the construction of industrialized houses, and effectively overcomes the defects of the current prefabricated concrete structure.

The invention discloses a liquid membrane extraction method by taking a hollow fiber composite membrane as a liquid membrane carrier. According to the liquid membrane technology, the hollow fiber composite membrane serves as the liquid membrane carrier, an extract phase is filled and attached to the gap and surface of the hollow fiber composite membrane to form the liquid membrane, a feed liquid phase solution and a reverse extraction phase respectively flow through two sides of the carrier, and the separation effect of in-step extraction and reverse extraction is realized through the liquid membrane function. The hollow fiber composite membrane consists of a braided tube layer and a polymer membrane layer; and meanwhile, the extraction phase and the feed liquid phase are fully mixed before entering the membrane by utilizing a mixer, the dispersing effect of the extraction phase liquid drops in the feed liquid phase is improved, the contact probability of the liquid membrane and the feed liquid solution is enhanced, and the mass transfer efficiency is improved. The imbalanced extraction realized by the liquid membrane technology is utilized, the problems that the liquid membrane attachment amount is small, the liquid membrane is instable, the mass transfer efficiency is low and the like in the hollow fiber supported liquid membrane and the liquid membrane updating technology are solved, the mass transfer coefficient and liquid membrane flux are improved, and the magnitude order of the mass transfer coefficient is 10-5.

The invention belongs to the technical field of lithium-ion battery cathode materials, and discloses a method for coating a lithium-ion battery cathode material with aluminum oxide. The method includes the steps: dissolving aluminum hydroxide in glacial acetic acid according to the mole ratio of aluminum hydroxide to glacial acetic acid=1:(3-3.2) to obtain colorless transparent solution, and thenadding absolute ethyl alcohol into the solution to dilute the solution; weighing the lithium-ion battery cathode material, adding the absolute ethyl alcohol and starting stirring; blending the two types of solution; heating the solution and continuously stirring the solution until the solution is volatilized completely; performing drying and heat treatment. The cathode material is coated with thealuminum oxide by the coating method, the aluminum hydroxide is dispersed in the glacial acetic acid and uniformly mixed with the cathode material, the aluminum oxide can be uniformly attached to thesurface of the cathode material in a later period, and the method avoids oversize and non-uniformity of coating particles due to inconsistency of crystalline growth velocity and nucleation rate of coatings and the like in coating with the aluminum hydroxide generated by direct reaction in cathode material solution.

The invention discloses a lithium ion battery anode material. The anode material is prepared from raw materials in percentage by weight as follows: 40%-85% of organosilicon resin, 10%-40% of nano silicon and 1%-20% of a carbon source. The invention also discloses a preparation method of the lithium ion battery anode material. The preparation method is simple and easy to control and realizes industrial operation, and the obtained anode material has good cycle stability and rate capability.

The invention relates to a design method of a universal industrial reverse osmosis membrane element product. The method comprises the following steps: according to a predetermined membrane element rolling diameter, a predetermined total length, a predetermined page number, a predetermined outer diameter of a center rod and a predetermined size of an exposed end of the center rod, calculating the cutting widths of the membrane, the water inlet separation net and the water production guide cloth of the membrane element through relational expressions; calculating the winding turns of the membraneaccording to the rolling diameter, the outer diameter of the center rod, the page number and the thicknesses of the membrane, the water inlet separation net and the water production guide cloth; andfinally calculating the cutting lengths of the membrane, the water inlet separation net and the water production guide cloth according to relational expressions, conducting cutting according to the calculated cutting sizes, and performing rolling and curing to form a membrane element product. The invention provides a standardized design method suitable for designing of membrane elements with various boundary dimensions. According to the design method provided by the invention, waste of materials is avoided, design cost is reduced, design efficiency is improved, a product meeting requirements can be designed according to the design method provided by the invention even under the condition of insufficient experience, and industrial operation of membrane element product design is realized.

The invention discloses a process for co-preparing hydrogen and LNG from raw gas. The process sequentially comprises a decoking step, a primary pressurization cooling liquid separation step, a secondary pressurization step, a pretreatment step, a tertiary pressurization step, a deoxidation conversion step, a desulfurization step, a wet decarburization step, a methane concentration step, a hydrogen purification step and an LNG preparation step. According to the process, LNG is also prepared while hydrogen is prepared, so that effective components in the raw coke oven gas are fully utilized, and the waste of energy sources is reduced; besides, the raw coke oven gas is pressurized basically through three times of compression in different stages before CO conversion, so that the energy consumption of the whole process is reduced; in addition, impurities in the raw coke oven gas subjected to CO conversion are removed by adopting a vacuumizing pressure transformation system I and a vacuumizing pressure transformation system II to obtain product hydrogen with the purity as high as 99.9%, and the recovery rate of the hydrogen can reach 89% or above; and desorbed gas rich in methane is adsorbed and desorbed from the vacuum-pumping variable-pressure system 1 to be used for preparing LNG.

The invention discloses a selenium-heteroatom doped graphene hollow sphere composite positive electrode material. The selenium-heteroatom doped graphene hollow sphere composite positive electrode material is obtained by compounding heteroatom doped graphene hollow spheres and selenium, wherein in the heteroatom doped graphene hollow spheres, heteroatoms are one or more of nitrogen atoms, boron atoms and phosphorus atoms. The invention further provides a preparation method of the selenium-heteroatom doped graphene hollow sphere composite positive electrode material. The preparation method comprises the following steps: preparing an aqueous graphene oxide solution, a silicon dioxide dispersion and an aqueous heteroatom precursor solution; mixing the prepared aqueous graphene oxide solution,the prepared silicon dioxide dispersion and the prepared aqueous heteroatom precursor solution, then uniformly dispersing to obtain a suspension; performing spray drying on the suspension, then sintering in an inert gas, discharging, then soaking in an aqueous hydrofluoric acid solution, washing, and drying to obtain the heteroatom doped graphene hollow spheres; mixing the heteroatom doped graphene hollow spheres with the selenium, then performing ball milling, then sintering in the inert gas, and discharging.

The invention relates to a method for preparing textured potassium niobate sodium-based leadless piezoelectric ceramic and belongs to the field of preparation of leadless piezoelectric ceramic. The method comprises the following steps of: preparing power and obtaining slurry by taking flaky NaNbO3 or flaky KnbO3 as a template or a non-type template and selecting powder of Na2CO3, K2CO3, Li2CO3, Nb2O5, Ta2O5, Sb2O3 according to a chemical formula, namely, [(KmNa1-m)1-xLix](Nb1-y-zTaySbz)O33; laminating and pressing a plurality layers of thick ceramic films obtained by screen printing so as to obtain a biscuit; removing plastic from the biscuit; and sintering the biscuit from which the plastic is removed. A printing process is simple, the textured potassium niobate sodium-based leadless piezoelectric ceramic with a very high degree of orientation can be obtained and the highest degree of orientation factor is up to 90 percent.

The invention is applicable to the technical field of graphite composite materials, and provides a heat-conducting graphite composite material and a preparation method thereof. The preparation methodof the heat-conducting graphite composite material comprises the following steps of mixing flake graphite and aluminum powder, and then mixing the flake graphite and the aluminum powder with an interfacial wetting agent to obtain mixed powder; mixing a binder and a solvent, and then mixing the mixture with the mixed powder to obtain a slurry; printing the slurry onto a substrate through a silk-screen process, and drying the slurry to obtain a thick film; after forming the thick film, carrying out organic matter removal treatment and cold isostatic pressing treatment to obtain a biscuit; and performing discharge plasma sintering on the biscuit to obtain the heat-conducting graphite composite material. The heat-conducting graphite composite material prepared by the preparation method has anobvious highly oriented arrangement, and the degree of orientation is high, so that high heat-conducting property can be achieved on xy surfaces.

The invention belongs to the technical field of production of rubber vulcanization accelerators TMTD, and relates to a novel method and equipment for improving the dispersity of an accelerator TMTD. Continuous production can be achieved from feeding to discharging, and industrial operation is convenient to achieve. The tubular reactor is small in size and high in production efficiency, the synthesized accelrator S is stable in quality and free of peculiar smell, the yield of the further synthesized accelrator S is increased, the homogeneous reaction for oxidative synthesis of TMTD is guaranteed, and when Tween 80 and the seed crystal A are added, the dispersity of the product TMTD is improved, and the uniformity of the dispersity of the product is guaranteed.

The invention discloses a method for preparing seasoning instant PetasitespalmataA.Gray. The method comprises the following steps of: S1, selecting, inspecting and washing fresh PetasitespalmataA.Gray, blanching, cooling, peeling and adding salt for salting; S2, after salting, elutriating by using saline, draining water, adding white granulated sugar, inoculating a complex microbial inoculant, and fermenting; and S3, removing partial salinity, seasoning, packaging, vacuum bagging, and sterilizing, thus obtaining a finished product. The method has the beneficial effects that alcoholic fermentation is carried out by using acid-resisting yeast and taking sugar as a culture medium, obvious and faint soy sauce flavor is generated by virtue of common effects of saccharomycetes and lactic acid bacteria, thus the unique taste and flavor of the instant PetasitespalmataA.Gray are obtained, and meanwhile the nutritive value of the instant PetasitespalmataA.Gray is also improved; the complex microbial inoculant can reduce the pH of the environment and inhibit growth of harmful microbes, and also has the capacity of degrading nitrite so as to guarantee the edible safety of the product; and the method is convenient and easy to operate, mature in technology, easy to learn and convenient to popularize, and industrial production can be realized.

The invention relates to a design method of a general-purpose industrial reverse osmosis membrane element product. According to the predetermined coil diameter, total length, number of sheets, outer diameter of the central rod, and the size of the exposed end of the central rod, the membrane element is calculated by a relational formula. The cutting width of the diaphragm, water inlet screen, and water production guide cloth, and then calculate the diaphragm according to the roll diameter, the outer diameter of the center rod, the number of pages, and the thickness of the diaphragm, water inlet screen, and water production guide cloth. The number of winding circles, and finally calculate the cutting length of the diaphragm, water inlet screen, and water production guide cloth according to the relational formula, and then roll and solidify to form a membrane element product after cutting according to the cut size calculated above. The present invention provides a standardized design method applicable to the design of membrane elements of various dimensions, which avoids the waste of materials, reduces the design cost, and improves the design efficiency. Even if the experience is insufficient, the design method provided by the present invention can also Products that meet the requirements can be designed, and the industrialized operation of membrane element product design has been realized.

The invention belongs to the technical field of lithium-ion battery cathode materials, and discloses a method for coating a lithium-ion battery cathode material with aluminum oxide. The method includes the steps: dissolving aluminum hydroxide in glacial acetic acid according to the mole ratio of aluminum hydroxide to glacial acetic acid=1:(3-3.2) to obtain colorless transparent solution, and thenadding absolute ethyl alcohol into the solution to dilute the solution; weighing the lithium-ion battery cathode material, adding the absolute ethyl alcohol and starting stirring; blending the two types of solution; heating the solution and continuously stirring the solution until the solution is volatilized completely; performing drying and heat treatment. The cathode material is coated with thealuminum oxide by the coating method, the aluminum hydroxide is dispersed in the glacial acetic acid and uniformly mixed with the cathode material, the aluminum oxide can be uniformly attached to thesurface of the cathode material in a later period, and the method avoids oversize and non-uniformity of coating particles due to inconsistency of crystalline growth velocity and nucleation rate of coatings and the like in coating with the aluminum hydroxide generated by direct reaction in cathode material solution.

The invention discloses a device and a method for quickly preparing lambda-Ti3O5 powder. The device comprises a hydrogen storage tank, a material tank, a vibrator, a linear motor, a reaction furnace,a gas-solid separator, a material collection tank and a tail gas purification device. Commercial P25 or pigment-grade titanium dioxide is used as a raw material, hydrogen is used as a carrier gas anda reducing gas, the gas flow and the reaction temperature are controlled, and lambda-Ti3O5 powder is obtained in a material collecting area after the reaction is finished; according to the method, lambda-Ti3O5 powder can be rapidly prepared, the particle size of the powder is micron-sized, the Ti3O5 phase is stable, and rapid preparation of lambda-Ti3O5 powder is realized.

The invention provides a method and equipment for treating VOCs (volatile organic compounds) by utilizing flue gas. The method comprises the following steps: mixing cupola furnace flue gas and incinerator flue gas according to a volume ratio of 1: (1.8-3), carrying out reactions, adding a desulfurizing agent, preferably inorganic alkali, and keeping on reactions. According to the method for treating VOCs, SO2, NOX and other components in the cupola furnace flue gas react with HCHO, C6H5-OH, CH4 and other components in the incinerator flue gas; the components are all converted into harmless products; VOCs gas and toxic gas containing nitrogen and sulfur are scientifically treated at the same time, the method is low in operation cost, easy and convenient to operate and good in treatment effect, and products with high additional values can be generated and recycled.

The invention is applicable to the technical field of graphite composite materials, and provides a thermally conductive graphite composite material and a preparation method thereof. The preparation method of the thermally conductive graphite composite material includes the following steps: mixing flake graphite and aluminum powder, and then infiltrating with the interface agent to obtain a mixed powder; mix the binder with a solvent, and then mix with the above mixed powder to obtain a slurry; print the above slurry on the substrate by screen printing and dry it processing to obtain a thick film; after the thick film is formed and processed, organic matter removal treatment and cold isostatic pressing are performed to obtain a green body; the green body is subjected to discharge plasma sintering to obtain the heat-conducting graphite composite material. The thermally conductive graphite composite material prepared by the preparation method has obvious high orientation arrangement, and its orientation degree is high, so that high thermal conductivity can be realized on the xy plane.

The invention relates to a method for solidifying chromium in polluted acid slag. Its characteristic is that it includes the following steps: first, add modified metal magnesium slag to the dirty acid slag after drying and grinding, mix it evenly, and press it into a block, and then put the obtained block into a sintering furnace at 800-1300°C Keep it warm for 4‑8 hours, cool down, take it out and dry grind it into powder. The method of the present invention has the following advantages: the present invention is an environmentally friendly treatment method for solidifying and stabilizing the heavy metal Cr in the polluted acid slag. The modified reducing slag smelted with metal magnesium is sintered to realize the solidification and stabilization of the heavy metal in the polluted acid slag. The purpose of treating waste. Therefore, the solidification and stabilization process does not need expensive materials, and the cost of raw materials is low; the modified magnesium slag is fully utilized; the solidification process of the polluted acid slag is simple and easy to implement, so it can realize industrial operation; no secondary waste residue is produced in the process of solidifying and stabilizing heavy metals , Waste water.

The invention provides a comprehensive treatment system capable of realizing stage filtering for kitchen lampblack. The comprehensive treatment system capable of realizing the stage filtering for thekitchen lampblack is used for a residential district, and comprises a fan, a primary separation device, a secondary separation device and a gas filtering device which are sequentially arranged, wherein the fan is used for conveying the kitchen lampblack to the primary separation device; the primary separation device is used for separating oil drops in the kitchen lampblack to obtain a primary separated substance; the secondary separation device is used for separating oil mist in the primary separated substance to obtain a secondary separated substance; and a gas separation device is used for removing impurities and peculiar smell of the secondary separated substance to obtain a tertiary separated substance. The comprehensive treatment system capable of realizing the stage filtering furthercomprises a spray device, wherein the spray device is arranged at the top of the gas filtering device. The comprehensive treatment system capable of realizing the stage filtering is capable of realizing that the kitchen lampblack is treated to achieve the national gas emission standards; and the separated dirty oil can be concentratedly conveyed to a dirty oil plant to be treated, the generated sewage can be concentratedly conveyed to a sewage plant to be treated, and concentrated collection for the dirty oil and the sewage is realized separately, and pollution is reduced.

The invention belongs to the technical field of rubber vulcanization accelerator S production, and relates to a method and equipment for continuously synthesizing a rubber vulcanization accelerator S. Continuous production can be achieved from feeding to discharging, and industrial operation is convenient to achieve. A tubular reactor is small in size and high in production efficiency, the synthesized accelerator S is stable in quality and free of peculiar smell, and the yield of the further synthesized accelerator S is increased.

The invention belongs to the technical field of electric motor manufacturing tools and particularly relates to an automatic material cutting machine for an electric motor. The automatic material cutting machine for the electric motor comprises a support, wherein a rotary shaft is arranged on the support; a driving wheel is fixed in the middle of the rotary shaft and connected with a transmission electric motor; a transmission rotational wheel is arranged at one end of the rotary shaft; a guide block is arranged on the transmission rotational wheel; a transmission link rod is arranged on the guide block; a cutting groove matched with a slidable cutter is formed in a material cutting frame; a feeding port corresponding to a material clamping roller is arranged on the material cutting frame; the feeding port is communicated with the cutting groove; a blanking port is formed in the support. The automatic material cutter for the electric motor achieve industrial operation of a flat copper material, greatly improves processing efficiency, and enables the processing operation to be safer and more reliable.

The invention provides a multifunctional processing system and method. The processing system comprises: an all-in-one machine, wherein a nozzle, a tray and a pressure detection unit are arranged in the all-in-one machine; a first tank body, wherein a first heating device and a first temperature detection unit are arranged in the first tank body; and a second tank body, wherein a second heating device and a second temperature detection unit are arranged in the second tank body. The all-in-one machine and the second tank body are connected through a circulation loop to form a rinsing subsystem; the all-in-one machine is connected with the first tank body through a circulation loop and is connected with the second tank body to form a steaming subsystem; and the all-in-one machine is connected with the second tank body after being heated by the first tank body to form a drying subsystem. The two tank bodies are connected with the all-in-one machine through the pipeline to form the rinsing subsystem, the steaming subsystem and the drying subsystem, multiple steps in the processing process are integrated, the multiple functions of wetting, cleaning, steaming, braising, drying and fresh keeping of the processing equipment are met, the production efficiency is effectively improved, and large-scale industrial operation is facilitated.

The invention discloses milk tablets added with a seaweed extract. The milk tablets added with the seaweed extract is prepared from the following raw materials: whole milk powder, a sweetener, a seaweed extract, silicon dioxide, an excipient, water, and the balance of desalinated whey powder. The invention further provides a preparation method of the milk tablets added with the seaweed extract. The preparation method of the milk tablets added with the seaweed extract comprises the following steps: (1) performing irradiating-sterilizing on fucoidan extracted from seaweeds; (2) uniformly mixingthe raw materials, and carrying out drying so as to obtain a primary base powder; (3) pressing the primary base powder into thin tablets, and carrying out crushing, granule-dispersing and sieving so as to obtain milk tablet base powder with even particle size; and (4) adding the silicon dioxide into the milk tablet base powder, carrying out uniform mixing, sieving the mixture, and carrying out tablet-compressing and molding so as to obtain finished products of the milk tablets. The preparation method of the milk tablets added with the seaweed extract has the following advantages: by adding thefucoidan extracted from the seaweeds into the milk tablets, the prepared milk tablets have certain physiological functions; moreover, bad taste of the raw materials are perfectly covered, so that, the prepared milk tablets are good in taste and endowed with certain functional characteristics.

The invention discloses a method for rapidly preparing λ-Ti 3 o 5 Powder device and method, the device includes a hydrogen storage tank, a material tank, a vibrator, a linear motor, a reaction furnace, a gas-solid separator, a material collection tank, and an exhaust gas purification device; commercial P25 or pigment grade titanium dioxide is used as a raw material, and hydrogen is used as a carrier Gas and reducing gas, control the gas flow and reaction temperature, after the reaction is completed, λ‑Ti is obtained in the material collection area 3 o 5 powder; this method can quickly prepare λ-Ti 3 o 5 Powder, the particle size of the powder is micron, Ti 3 o 5 phase stable, enabling λ‑Ti 3 o 5 Rapid preparation of powders.

The invention discloses a method for preparing seasoning instant PetasitespalmataA.Gray. The method comprises the following steps of: S1, selecting, inspecting and washing fresh PetasitespalmataA.Gray, blanching, cooling, peeling and adding salt for salting; S2, after salting, elutriating by using saline, draining water, adding white granulated sugar, inoculating a complex microbial inoculant, and fermenting; and S3, removing partial salinity, seasoning, packaging, vacuum bagging, and sterilizing, thus obtaining a finished product. The method has the beneficial effects that alcoholic fermentation is carried out by using acid-resisting yeast and taking sugar as a culture medium, obvious and faint soy sauce flavor is generated by virtue of common effects of saccharomycetes and lactic acid bacteria, thus the unique taste and flavor of the instant PetasitespalmataA.Gray are obtained, and meanwhile the nutritive value of the instant PetasitespalmataA.Gray is also improved; the complex microbial inoculant can reduce the pH of the environment and inhibit growth of harmful microbes, and also has the capacity of degrading nitrite so as to guarantee the edible safety of the product; and the method is convenient and easy to operate, mature in technology, easy to learn and convenient to popularize, and industrial production can be realized.

The invention discloses a method for preparing seasoning instant osmunda japonica thumb. The method comprises the following steps of: S1, washing fresh osmunda japonica thumb, blanching, cooling to room temperature and salting; S2, elutriating the salted osmunda japonica thumb, draining water, adding white granulated sugar, filling in a fermenting tank, inoculating a complex microbial inoculant, and fermenting; and S3, removing part of salinity of the fermented osmunda japonica thumb, seasoning, vacuum packaging and bagging by adopting an aluminum foil compound pocket, and sterilizing. The method has the beneficial effects that alcoholic fermentation is carried out by utilizing acid-resisting yeast and taking sugar as a culture medium, obvious and faint soy sauce flavor is generated by virtue of common effects of saccharomycetes and lactic acid bacteria, thus unique taste and flavor of the instant osmunda japonica thumb are obtained, and the nutritive value of the instant osmunda japonica thumb is improved; the complex microbial inoculant can reduce the pH of the environment, inhibit growth of harmful microbes, and also has the capacity of degrading nitrite so as to guarantee the edible safety of the product; the fermentation period is greatly shortened, the yield is increased, and the agriculture efficiency and income of farmers are increased; and the method is simple, the technology is mature, the method is easy to popularize, and industrial production is realized.

The invention discloses a treatment device for waste liquid containing nickel or phosphorus. The device includes a waste liquid nickel treatment unit, a gas treatment unit, a liquid treatment unit and a solid treatment unit. The bottom surface of the waste liquid nickel treatment unit is provided with deposits exhaustion hole. The present invention can cooperate with the method of Chinese patent authorization announcement number CN103159364B, so that it can achieve mature processing technology, low cost and simple operation in practice, which changes the current international one that is not mature, low cost, low energy consumption, simple and easy to implement The current status of the waste liquid recycling phosphorus or nickel metal treatment method, the extracted phosphorus can be used as chemical fertilizer for secondary use, can realize zero discharge of phosphorus-containing electroless nickel plating waste liquid, and reduce the environmental protection pressure of enterprises in the electroless nickel plating industry; On the one hand, the metal lifting carrier can be accommodated in the processing tank described in the present invention, and the whole equipment has the purpose of simple structure, easy operation and realizing industrial operation.

The invention discloses a liquid membrane extraction method by taking a hollow fiber composite membrane as a liquid membrane carrier. According to the liquid membrane technology, the hollow fiber composite membrane serves as the liquid membrane carrier, an extract phase is filled and attached to the gap and surface of the hollow fiber composite membrane to form the liquid membrane, a feed liquid phase solution and a reverse extraction phase respectively flow through two sides of the carrier, and the separation effect of in-step extraction and reverse extraction is realized through the liquid membrane function. The hollow fiber composite membrane consists of a braided tube layer and a polymer membrane layer; and meanwhile, the extraction phase and the feed liquid phase are fully mixed before entering the membrane by utilizing a mixer, the dispersing effect of the extraction phase liquid drops in the feed liquid phase is improved, the contact probability of the liquid membrane and the feed liquid solution is enhanced, and the mass transfer efficiency is improved. The imbalanced extraction realized by the liquid membrane technology is utilized, the problems that the liquid membrane attachment amount is small, the liquid membrane is instable, the mass transfer efficiency is low and the like in the hollow fiber supported liquid membrane and the liquid membrane updating technology are solved, the mass transfer coefficient and liquid membrane flux are improved, and the magnitude order of the mass transfer coefficient is 10-5.