81results about How to "Efficient release" patented technology

The invention discloses a method for breeding, separating and purifying nosema bombycis, which comprises the following steps: infecting 2-year-old silkworms for 6-12 hours by using nosema bombycis with the concentration of 1.0 * 10 < 5 > spores / mL to 5.0 * 10 < 5 > spores / mL, feeding the silkworms with clean mulberry leaves until the silkworms fall asleep at 4 years old, and gradually causing pebrine death when the silkworms grow at 5 years old; the method comprises the following steps: grinding dead silkworms to prepare grinding liquid, filtering the grinding liquid, and separating out filtrate enriched with nosema bombycis; centrifuging the filtrate to obtain a precipitate which comprises grey silkworm body tissues on the upper layer and white nosema bombycis on the lower layer, shaking the centrifuge tube by using a shaking table to release the grey silkworm body tissues to supernate, pouring out the supernate, and retaining the white nosema bombycis at the bottom of the centrifuge tube. According to the method, the nosema bombycis is bred, separated and purified according to the growth rules and characteristics of the bombyx mori and the nosema bombycis, a high-quality sample can be efficiently obtained, and the nosema bombycis is high in content and few in impurity.

The present application relates to the technical field of soil treatment, in particular to a soil remediation system for solid waste multi-component joint activation, which comprises a boiler tail gas purification and waste heat cascade utilization unit, a biochar preparation unit, a low-rank coal slime preparation porous carbon unit, a power plant ash alkali metal leaching and residue activation unit, a mixed component composite activation unit and a compound fertilizer forming preparation unit; the boiler tail gas purification and waste heat cascade utilization unit is used for removing dust and acid gas, and the waste heat is used for preparing biochar by biomass pyrolysis and preparing porous carbon by low-rank coal slime; the present application can prepare soil remediation products with water and fertilizer retention and harmlessness by the organic and inorganic compounding of biomass, low-rank coal slime and power plant ash, which has important significance for the treatment and harmless remediation of special soil such as saline-alkali soil and desert soil.

The present application relates to the technical field of sodium battery materials, in particular to a sodium supplement coating based on a spiral iron-carbon composite material and a preparation method thereof, a spiral polypyrrole template is synthesized by a chiral template method, Fe3C@CNS spiral carbon composite material rich in Fe3C nanocrystals and iron single-atom sites is prepared through iron loading, sulfidation and high-temperature pyrolysis, Na2C2O4@Fe3C@CNS composite material is prepared by highly dispersing sodium oxalate on the surface and in the pores of the spiral carbon composite material through a recrystallization method, finally, a slurry is prepared by mixing the Na2C2O4@Fe3C@CNS composite material with a conductive agent and a binder, and the slurry is coated on the surface of an electrode to form a functional sodium supplement coating. The sodium supplement coating based on the spiral iron-carbon composite material and the preparation method thereof solve the problems of poor interface stability and first-cycle irreversible sodium loss of existing sodium ion batteries, realize efficient sodium pre-activation and interface synergistic regulation, and improve the comprehensive performance of the battery.

The application belongs to the technical field of thermal error compensation, and discloses a non-metal supporting piece numerical control machine tool thermal error compensation method, which comprises the following steps: S1: when the equipment main body is working, the temperature of the equipment main body is monitored in real time through a temperature sensor, and when the temperature reaches a certain threshold value, a pump, a first motor and a second motor are started through an external power supply; S2: the start of the pump enables the cooling liquid to circulate in the cooling cavity and the conveying cavity, and the whole equipment main body is cooled and circulated, so that thermal error compensation is performed; the temperature of the equipment main body is monitored in real time through the temperature sensor, and when the temperature of the equipment main body reaches a certain threshold value, the cooling liquid can be circulated in the cooling cavity and the conveying cavity through the start of the pump, the whole equipment main body is cooled and circulated, and thermal error compensation is performed.

The utility model relates to the technical field of heating furnace assembly, especially relates to a high temperature heating furnace chassis of preventing cracking, the utility model adopts the technical scheme: including main body support chassis seat, the upper end of main body support chassis seat is equipped with integral fixed mounting hole, the upper end of main body support chassis seat is equipped with the main body ventilation heat -resisting groove of front -and-back staggered arrangement and is linear distribution in left and right directions, the main body ventilation heat -resisting groove is composed of two first forming safety cooperation groove and second forming safety cooperation groove of front and back, and the size of first forming safety cooperation groove and second forming safety cooperation groove is same, and first forming safety cooperation groove and second forming safety cooperation groove are front -and-back staggered distribution, the utility model has the advantages of: can effectively avoid the situation that the internal irregular cracking easily appears under high temperature environment in the use, can release internal stress comprehensively and efficiently when using, avoids the cracking situation and occurs easily, makes the durability of whole stronger.

The application provides a composite material for sludge dewatering, a preparation method thereof and a sludge dewatering conditioner. The composite material for sludge dewatering comprises magnetic porous carbon and molybdenum disulfide loaded on the magnetic porous carbon, wherein the magnetic porous carbon comprises porous carbon and ferroferric oxide loaded on the porous carbon. The preparation method comprises the following steps: mixing the magnetic porous carbon with a molybdenum source and a sulfur source, and performing a hydrothermal reaction to make the molybdenum source and the sulfur source react to generate molybdenum disulfide; after the reaction is completed, performing solid-liquid separation, collecting the solid product, and calcining the solid product under an inert atmosphere at 350-450 DEG C to obtain the molybdenum disulfide magnetic porous carbon composite material; wherein the magnetic porous carbon comprises porous carbon and ferroferric oxide loaded on the porous carbon; and the composite material for sludge dewatering can construct a molybdenum disulfide magnetic carbon-based composite material with a large specific surface area, high catalytic activity and high universality, and the composite material can improve the sludge dewatering performance.

This invention belongs to the field of fire extinguishing materials and their preparation technology, and provides a fire extinguishing microcapsule and its microfluidic controllable preparation method. The preparation method is characterized by the following steps: (1) preparing fluids of each phase, (2) preparing a dual emulsion using a microfluidic device, (3) collecting and sealing the dual emulsion in a collection container, controlling the axis of the collection container to be horizontal, and controlling the collection container to rotate around its axis for 1 to 15 minutes, applying light to solidify the outer shell of the dual emulsion droplets while maintaining the rotation of the collection container, cleaning, and drying to obtain the final product. The fire extinguishing microcapsule prepared by this method consists of an outer shell and a liquid fluorine-containing fire extinguishing agent encapsulated within the outer shell. The outer shell of the fire extinguishing microcapsule has a uniform thickness, and the eccentricity between the outer shell and the core is less than 0.1. The method of this invention can achieve precise customization of fire extinguishing microcapsules according to the differentiated fire characteristics of different application scenarios, and can improve the concentricity between the core and the outer shell of existing fire extinguishing microcapsules.

This application discloses a cathode sheet, an electrochemical device, and an electronic device. The cathode sheet includes a current collector, a first active material layer, and a second active material layer. The first active material layer is disposed on the current collector and includes a plurality of first material portions and a plurality of second material portions alternately distributed along a second direction. Each first material portion has a first groove, and each second material portion has a second groove. The compaction density at the bottom of the first groove is C1, and the compaction density at the bottom of the second groove is C2, where C2 < C1. The second active material layer is disposed on a second base surface. The cathode sheet is used to form a wound battery cell. The first material portions are located in the straight section of the cathode, and the second material portions are located inside the curved section of the cathode. This increases the contact area between the active material of the cathode sheet and the electrolyte, reduces the risk of cracking or detachment of the active material, thereby reducing the risk of short circuit in the electrochemical device and improving the cycle performance of the electrochemical device.

The embodiment of the utility model relates to the technical field of wireless charging, and discloses a charging base and wireless charging equipment, the charging base comprises a base main body, a middle frame, a supporting pad and a heat dissipation assembly, the base main body is provided with an accommodating cavity, and the middle frame is provided with a supporting surface; the heat dissipation assembly comprises a transmitting module, a panel, a fan module and an air outlet channel, the transmitting module is arranged on the supporting face and located on the side, opposite to the supporting face, of the supporting pad, the panel covers the transmitting module, the air outlet channel is arranged on the side, opposite to the supporting face, of the transmitting module, and the fan module is arranged in the air outlet channel. The fan module is arranged on the side, away from the supporting pad, of the transmitting module, one end of the air outlet channel communicates with the fan module, and the other end of the air outlet channel extends to the side, opposite to the transmitting module, of the panel to form an air outlet. According to the embodiment of the invention, the charging efficiency can be improved while the heat dissipation effect is ensured.

This invention belongs to the field of biomedical materials and nanotechnology, specifically relating to the synthesis and application of a multifunctional mesoporous nanomaterial. The inventors synthesized a core-shell structured mesoporous nanoparticle using mesoporous silica nanoparticles and dopamine via emulsion epitaxy. The core of the core-shell structured mesoporous nanoparticle is S-nitrosoglutathione supported on mesoporous silica, and the outer shell is pentafluorophenyl chlorophyll supported on mesoporous polydopamine, forming MSN / G@mPDA / F nanoparticles. These nanoparticles rapidly increase in temperature to 45°C under 808 nm laser irradiation. o At temperatures above a certain temperature, S-nitrosoglutathione decomposes to produce nitric oxide. Further irradiation at 750 nm generates a large amount of reactive oxygen species, killing bacteria. This combination of photothermal and photodynamic therapy effectively inhibits bacterial growth. Therefore, this method exhibits excellent antibacterial effects and can play a role in the future treatment of bacterial infections.

The present application relates to the technical field of energy storage, and discloses an energy storage system coupling a high-temperature heat pump and compressed air, which comprises a steam turbine power cycle subsystem, a high-temperature heat pump subsystem, a non-combustion compressed air energy storage subsystem and a molten salt heat storage system; steam turbine exhaust is used as a low-temperature heat source of the high-temperature heat pump, a steam turbine condenser is omitted, the temperature of the low-temperature heat source of the heat pump is raised to reduce the temperature difference and improve the COP of the heat pump; the molten salt heat storage is used as a unified high-temperature heat source, which drives the steam turbine to generate power, heats the air before the expansion of compressed air, and absorbs the excess high-temperature heat of the heat pump. The present application effectively improves the energy efficiency of the heat pump and the power generation efficiency of compressed air, realizes efficient energy utilization, and is suitable for new energy consumption and long-time peak regulation of the power grid.

The application provides a method for efficiently removing beryllium and thallium in lithium residue, comprising the following steps: S1, providing lithium residue; the lithium residue contains beryllium and thallium, and the lithium residue has calcium aluminosilicate; S2, performing hydrothermal treatment on the lithium residue and an acid solution to obtain a reaction liquid; the acid solution comprises one or more of sulfuric acid solution, hydrochloric acid solution, nitric acid solution and phosphoric acid solution; the concentration of the acid solution is not less than 1 mol / L; the temperature of the hydrothermal treatment is not less than 100 DEG C, and the time of the hydrothermal treatment is not less than 2 h; and S3, performing solid-liquid separation on the reaction liquid to obtain a beryllium and thallium separation liquid and a detoxification residue. The application has excellent removal effect on beryllium and thallium in lithium residue, and can realize low-cost detoxification and reuse of the lithium residue.

The present invention relates to a manufacturing method of a microfluidic valve, comprising: arranging a substrate (1) of a mechanically inert material to one or more physicochemical properties over time, configuring a structural portion of the valve; printing, by means of additive layer manufacturing, a succession of one or more filaments (2) of a material with mechanical response to one or more of said physicochemical properties over time, preferably LCP, configuring a functional portion of the valve; and arranging the succession of filaments (2) on the substrate (1), configuring a fluid flow rate (3) through the valve by means of the application of an anti-adhesion treatment on one or more interfaces of said filaments (2) and the substrate (1). In this way, the variation in one or more physicochemical parameters causes a disruption in the molecular order of the LCP, contracting or expanding its polymer chains throughout a longitudinal or transversal direction of the filaments (2), and leading to an increase or reduction in the flow rate (3) of the fluid.

The application discloses a kind of floating wind turbine and seabed data center fusion device, including wind turbine, tower drum, float, mooring cable, seabed data center, the wind turbine is arranged on the tower drum, the tower drum is arranged on the float, the float is connected with the mooring cable, the seabed data center and the mooring cable are connected, the seabed data center is as the anchoring base of the float, the seabed data center is below waterline, the wind turbine and the seabed data center are electrically connected.The application can effectively reduce the construction cost of floating wind turbine and seabed data center, reduce the power cost of seabed data center, effectively improve the cooling capacity of seabed data center.

The present application relates to a kind of vertical battery frame mould pressing equipment and its mould pressing forming method, comprising: prepreg equipment, cantilever spreader, cutting and stacking equipment, grabbing manipulator and mould pressing host, mould pressing host includes: bearing base plate, linear guide, left mould pressing assembly, right mould pressing assembly, screw motor assembly, bottom plate for installing inner mould is arranged between left mould pressing assembly and right mould pressing assembly, inner mould is used to place the pre-press raw material to be formed, left mould pressing assembly and right mould pressing assembly are used to compress the pre-press raw material on the two sides of inner mould and form, upper mould assembly is arranged between left mould pressing assembly and right mould pressing assembly, upper mould assembly is used to compress the pre-press raw material on the upper end surface of inner mould and form, the side of inner mould close to screw motor assembly is provided with material pushing mechanism, the side of inner mould away from screw motor assembly is provided with frame body demoulding mechanism;The present application has the characteristics of short beat, high efficiency, less auxiliary equipment, less operator and low production cost.

A refrigeration apparatus and a method for bleeding thereof are provided. The refrigeration apparatus comprises a compressor comprising a compressor inlet and a compressor outlet; a condenser downstream of the compressor outlet; a first valve downstream of the condenser; and at least one flow path downstream of the first valve, each of the at least one flow path comprising a flow regulating valve to control the flow of refrigerant into the at least one flow path; wherein the first valve and the flow regulating valve are normally closed valves, and wherein the refrigeration system further comprises a bleed flow path connected between the first valve and the flow regulating valve, thereby allowing fluid to escape between the first valve and the flow regulating valve when the first valve and the flow regulating valve are closed. Embodiments according to the present invention effectively bleed fluid in a closed circuit, preventing the creation of high pressure.

This utility model discloses a mosquito-killing lamp, relating to the technical field of mosquito repellent devices. The mosquito-killing lamp includes a main housing, a rear housing, a first ultraviolet lamp plate, an outer lamp cover, a second ultraviolet lamp plate, and a flying insect trapping plate. The lower part of the main housing has a first cavity, and the bottom of the main housing has several heat dissipation inlets. The rear housing is detachably connected to the lower part of the main housing. The first ultraviolet lamp plate is installed at the top of the first cavity, and the main housing has several first heat dissipation outlets. The outer lamp cover is detachably connected to the top of the rear housing, and the top of the outer lamp cover has several second heat dissipation outlets, with light-transmitting holes on both sides. The second ultraviolet lamp plate is installed on both sides inside the outer lamp cover. The flying insect trapping plate is detachably connected to the upper part of the main housing, and the flying insect trapping plate has several transparent plates arranged on it and covered with a layer of adhesive. During use, the internal heat of this mosquito-killing lamp can be effectively dissipated, and the light flux and illuminated area can be effectively guaranteed.

The invention discloses an extraction process of citrus essential oil and the citrus essential oil prepared through the extraction process, and belongs to the field of natural perfume extraction.The extraction process of the citrus essential oil comprises the following steps that S1, peel of disinfected and cleaned fresh citrus fruits is obtained; s2, sequentially crushing and squeezing the fruit peels under the assistance of ultrasonic waves or without ultrasonic waves, and then separating out solid matters to obtain virgin juice; and S3, standing and layering the virgin juice in an environment of 0-10 DEG C, then centrifuging at a controlled temperature at a centrifugal speed of 2000-60000r / min for 1-180min, and separating out upper-layer essential oil within 30min after centrifugation is finished, so as to obtain the citrus essential oil. The process can improve the essential oil yield, reduce the water content and maintain the natural fragrance close to that of fresh fruits, and can be applied to the field of food and the field of daily chemicals.

The application discloses a method for preparing high-purity dihydrate gypsum from hemihydrate phosphogypsum in an organic acid system and belongs to the technical field of comprehensive utilization of phosphogypsum. The method comprises the following steps: preparing an organic acid solution and heating, mixing the organic acid solution with hemihydrate phosphogypsum dry base and water in proportion, performing a hydration recrystallization reaction at constant temperature, adding sulfuric acid of a proper concentration to modify the crystal, and finally filtering and washing the product, recycling the organic acid solution in a closed loop, drying the filter cake and obtaining high-purity dihydrate gypsum. The method can effectively break the impurity wrapping effect and deeply remove phosphorus and fluorine impurities, solves the problems of incomplete removal of phosphorus and fluorine impurities, high residual of insoluble impurities, low resource recovery rate and poor performance of finished products in the existing inorganic acid modification process, and significantly improves the purity of dihydrate gypsum and the recovery rate of phosphorus and fluorine, thereby realizing high-value and resource utilization of hemihydrate phosphogypsum.

The invention relates to the technical field of biomedical administration, and particularly discloses double-layer hydrogel suitable for the interior of a bladder. The double-layer hydrogel comprises a hydrophilic adhesion slow-release layer and a hydrophobic protective layer; the hydrophilic adhesive slow-release layer and the hydrophobic protective layer are respectively obtained by curing a hydrophilic adhesive slow-release hydrogel precursor solution and a hydrophobic protective hydrogel precursor solution. By adopting a layered progressive double-hydrogel synergistic structure, an integrated administration barrier of mucous membrane adsorption-drug sustained release-physical protection is formed, so that the double-layer hydrogel has excellent bladder mucous membrane adhesion performance in a water environment and a stable and controllable drug sustained release effect, and the problems that an existing bladder perfusion drug is easily diluted and washed by urine, and the drug sustained release effect is poor are solved. The medicine action time is short, and the bioavailability is low.

There are provided a linker compound, for which a glutathione concentration at which a disulfide bond dissociates can be designed by molecular design, and which can accurately identify a cancer cell, is stable outside a target cell, and can effectively release a drug compound in the target cell, and a complex compound containing the same. The linker compound is used for a complex compound containing a drug compound and has a structure represented by the following Formula (1). (In Formula (1), R is a compound containing hydrogen, carbon, oxygen, or a halogen element, or a derivative thereof.

The utility model relates to the technical field of start-stop controllers, in particular to an automatic start-stop controller for a motorcycle. The controller comprises a shell and a circuit board fixedly connected with the shell, a main chip, an MOS bridge and a driver which are connected are arranged on the circuit board, heat dissipation elements are connected to the side, away from the circuit board, of the shell, the heat dissipation elements are distributed on the shell at intervals, a heat dissipation boss is arranged in the shell, a gap is formed between the heat dissipation boss and the circuit board, and the heat dissipation boss corresponds to the main chip in position. Compared with the prior art, the start-stop controller has the advantages that the heat dissipation effect of the start-stop controller is improved, the service life of the chip is further prolonged, and the like.

The invention provides a baicalin carbon dot / silver-based metal organic framework composite material and a drug delivery system. The composite material B-CDs (at) Ag-MOF comprises a silver-based metal organic framework and baicalin carbon dots loaded on the silver-based metal organic framework; the drug delivery system comprises hydrogel and a composite material dispersed in the hydrogel, and the composite material is the B-CDs (at) Ag-MOF. According to the composite material and the drug delivery system provided by the invention, the problems that pure baicalin carbon dots are difficult to release in a controllable manner and the targeting property is insufficient can be solved.

This invention relates to the field of food processing technology and discloses a method for improving the stability and bioavailability of astaxanthin by combining piperine with a whey protein fibrillary-algin complex. The method specifically includes the following steps: S1. Preparation of whey protein fibrillary; S2. Loading piperine onto whey protein fibrillary; S3. Complexation of piperine-loaded whey protein fibrillary with sodium alginate; S4. Preparation of an astaxanthin-piperine co-encapsulated emulsion. This invention constructs a three-dimensional network resistant to pepsin hydrolysis through electrostatic complexation; enhances the effective concentration of piperine in the intestine through co-encapsulation, efficiently regulating the expression of P-gp efflux transport proteins and the transmembrane absorption of astaxanthin; and utilizes the functional property of piperine to inhibit the activity of P-gp efflux transport proteins to achieve efficient absorption of astaxanthin.

This invention discloses a surface-modified current collector, an all-solid-state battery, its preparation method, and an electrical device. The surface-modified current collector includes a negative electrode current collector substrate, a lithium storage layer, and a lithiophilic layer arranged sequentially along the thickness direction. The lithium storage layer has a plurality of micropores oriented perpendicularly to and / or inclined to the surface of the negative electrode current collector substrate. The lithium storage layer includes a conductive micropore template with a micropore structure having a plurality of micropores with the same orientation as the micropores and a vanadium nitride layer disposed on the surface of the conductive micropore template and the inner wall of its micropore structure. This lithium storage layer constitutes a three-dimensional conductive framework, which can guide lithium ions to transport longitudinally or tend to transport longitudinally and deposit uniformly, suppress lithium dendrite growth, and alleviate volume expansion stress during cycling. The lithiophilic layer provides low nucleation overpotential sites, further promoting uniform lithium deposition. Through the synergy of the above layers, uniform lithium deposition can be effectively achieved, and volume expansion stress during cycling can be dispersed and absorbed, significantly improving the cycle performance and safety of the battery.

This invention discloses a novel use of pyrroloquinoline quinone (PQQ) in improving conception rates after artificial insemination in beef cows, as well as compositions containing rumen-protected PQQ and their application methods, belonging to the field of animal nutrition and reproductive technology. Addressing the problem of low conception rates in beef cattle after artificial insemination due to early embryonic oxidative stress death, this invention proposes continuously adding an effective dose of rumen-protected PQQ to the cow's diet starting from the day of artificial insemination. This method significantly increases the conception rate of cows from approximately 40.00% in the control group to 80.00%. This invention is safe, effective, and easily applicable in large-scale farming.

The invention belongs to the technical field of building construction, and discloses a construction method of a high-altitude super-large-span negative-curvature flexible steel roof structure. Comprising the following steps that the periphery of a negative curvature flexible steel roof of a radial net structure formed by longitudinal main beams and transverse secondary beams is connected with four steel roof trusses of an east truss, a south truss, a west truss and a north truss correspondingly; the temporary supporting jig frame and the transverse main beam are used as temporary pulling knots; two transverse main beam supporting jig frames are installed, and positioning and splicing are conducted according to the distribution positions of transverse main beams; the transverse main beams are welded and spliced into a whole at the positions of the transverse main beam supporting jig frames; socket type expansion joints used for releasing deformation in the east-west direction are arranged on the transverse secondary beams at the ends of the south side and the north side of the longitudinal main beam. And after the longitudinal main beams and the transverse secondary beams of the roof are all installed, the jig frame unloading process is carried out, and the accurate and efficient installation process of the whole roof truss is completed. The whole unloading process can be precisely controlled, and construction safety is ensured.

The utility model discloses a supercritical heat storage top peak heat supply unit, including steam turbine system, steam heat storage system, heat network system and power grid system, steam turbine system includes the steam turbine and generator of cooperation, and steam heat storage system includes steam water heat exchanger and hot water heat storage jar, and heat network system includes first station, primary network heat supply pipe and heat user, and primary network heat supply pipe includes primary network backwater pipe and primary network water supply pipe, steam turbine passes through first station and connects primary network heat supply pipe, and primary network heat supply pipe is connected with heat user, and steam turbine passes through steam water heat exchanger and connects hot water heat storage jar, and hot water heat storage jar connects primary network heat supply pipe, sets up expansion water tank and water replenishing pump, and the water inlet of expansion water tank is connected with primary network backwater pipe, and the water outlet is connected with water replenishing pump inlet, and water replenishing pump outlet is connected with primary network water pipe, the utility model discloses the adjusting effect of expansion water tank can more effectively absorb and release heat, thereby improves the efficiency of heat storage, and reduces the operation pressure fluctuation of unit.

The invention discloses an efficient wind energy storage and scheduling optimization method and a related device, the device comprises a wind energy data acquisition and prediction module, an intelligent scheduling optimization module and a dual-mode energy storage management module, and the dual-mode energy storage management module comprises a superconducting energy storage system and a liquid air energy storage system; the wind energy data acquisition and prediction module is used for acquiring current wind speed, temperature and humidity and power grid load and calculating wind power output power according to the current wind speed, temperature and humidity and power grid load; the intelligent scheduling optimization module is used for obtaining a charging and discharging control instruction according to the wind power output power, the power grid load, the electricity price signal, the charge states of the superconducting energy storage system and the liquid air energy storage system, and the charging and discharging capabilities and the current operation states of the superconducting energy storage system and the liquid air energy storage system; and the superconductive energy storage system and the liquid air energy storage system are controlled according to the charging and discharging control instruction. The method and the related device can efficiently dispatch superconductive stored energy and liquid air stored energy.

The application discloses a method for efficiently extracting heparin sodium from biological materials, and the method comprises the following steps: cleaning and crushing the raw material at low temperature; adding poloxamer, ammonium sulfate and complex enzymes to perform synergistic enzymolysis under mild and neutral conditions; after the reaction is completed, the temperature is increased to above the cloud point of the polymer, liquid-liquid two-phase separation is triggered, fat-soluble impurities are synchronously removed, and the water phase rich in heparin sodium is collected; after the water phase is purified through ion exchange, concentration, alcohol precipitation and vacuum drying are sequentially performed, then vibration screening and low-temperature drying are performed, and finally, high-purity heparin sodium powder is obtained. Through the intelligent phase change characteristics of the temperature-sensitive polymer, the high-efficiency enzymolysis and primary purification are coupled, the yield and purity of heparin are significantly improved, the high-salt, strong-alkali or high-temperature conditions in the traditional process are avoided, the biological activity of the product is effectively protected, and the yield is improved.