109results about How to "Solving Recycling Problems" patented technology

The invention provides a regenerated lithium iron phosphate positive pole piece. The regenerated lithium iron phosphate positive pole piece comprises 70-90% of a recycled waste lithium iron phosphate positive pole material, 3-15% of a lithium supplement additive, 3-10% of a fast ion conductor and 3-5% of a binder, wherein the recycled waste lithium iron phosphate positive electrode material is obtained by discharging a decommissioned power battery until the voltage is reduced to 0.5 V or below, crushing a disassembled and separated positive electrode plate by adopting a physical method, adding the crushed positive electrode plate into a NaOH solution with the pH value of 10-14, stirring, centrifuging, washing and drying. The invention also provides a lithium iron phosphate battery which is a repaired and regenerated lithium iron phosphate battery prepared by prefabricating the lithium iron phosphate battery with the regenerated lithium iron phosphate positive pole piece and then carrying out pre-cycle repair treatment. According to the method, the problem of recycling the lithium iron phosphate positive electrode material in the power battery is solved, the electrochemical performance of the lithium iron phosphate battery is reliably ensured while the manufacturing cost of the lithium iron phosphate battery is reduced, and the requirements of commercial energy storage lithium batteries can be met.

The invention relates to the technical field of waste rubber recovery, in particular to a method for preparing a rubber compound by recycling waste rubber and the prepared rubber compound. The high-shear mechanical desulfurization technology is combined, the desulfurization efficiency is further improved through the synergistic effect of various components in the compound auxiliary, and meanwhile the plasticity of the waste rubber and the compatibility of the waste rubber and new rubber are enhanced. The method not only can effectively destroy the cross-linked structure of the waste rubber, but also can be used for preparing a high-performance rubber compound product by mixing the waste rubber with a new rubber material through a subsequent mixing process, and is widely applied to manufacturing high-strength and wear-resistant rubber products, such as solid tires and the like.

The invention relates to an offshore wind turbine large-diameter steel pipe pile scouring solidified soil cover protection and construction method, a reinforcing steel cylinder is arranged in a scouring pit at the bottom of a wind turbine steel pipe pile, the wind turbine steel pipe pile can be effectively protected, and direct scouring of water flow to the wind turbine steel pipe pile is avoided; an annular reinforcing mesh is arranged below the solidified soil quilt, and underwater concrete is injected into the annular reinforcing mesh, so that the injected underwater concrete is prevented from being scoured and taken away by water flow, and the durability of the reinforced structure is improved; the solidified soil is integrally put down in place through the suspension support, so that the situation that wrinkles appear when the solidified soil sinks to the water bottom is avoided, and it is effectively guaranteed that the solidified soil covers the scouring pit; the fan steel pipe pile is sleeved with the suspension support through the floating steel cylinder, the suspension support is controlled to float and sink along the fan steel pipe pile by adjusting the air bag, and the problems of hoisting and positioning are effectively solved.

The present invention discloses a method for preparing lithium iron manganese phosphate positive electrode material based on ferrous sulfate produced as a byproduct of titanium dioxide. The present invention adjusts the pH range so that the ferrous sulfate produced as a byproduct of titanium dioxide removes impurities such as titanium and aluminum during the thermal dissolution process while retaining manganese impurities, thereby reducing the amount of manganese supplementation and reducing the cost; and then obtains anhydrous ferric phosphate doped with manganese through a two-step coprecipitation method and aerobic calcination, thereby further preparing a lithium iron manganese phosphate positive electrode material with high stability and good electrochemical properties. The method is simple to operate, has a short process, is widely used, and has high economic benefits. It is of great significance for solving the problem of recycling waste byproduct ferrous sulfate produced in the current titanium dioxide production, and can achieve the sustainable development of titanium dioxide production enterprises.

The invention discloses a preparation method and application of a polyethylene glycol terephthalate (PET)-based hard carbon negative electrode material of a sodium ion battery. The method comprises the following steps: taking waste PET as a raw material, performing a pretreatment process, and drying to obtain a precursor; and physically mixing the precursor with an additive, and carrying out low-temperature and high-temperature carbonization treatment to obtain the PET-based hard carbon material. The method is simple in technological process and low in raw material cost, and meets the requirements of large-scale industrial production. The obtained sodium-ion battery hard carbon negative electrode material has excellent reversible specific capacity when being applied to a sodium-ion battery, and has certain competitive advantages and good application prospects.

The invention discloses a high-voltage transmission line iron tower, relates to the field of line iron towers, and solves the problem of easy recovery of pedal rods in climbing of existing line iron towers. The invention comprises: a tower base and four support frames fixedly installed on the top of the tower base in a centrally symmetrical distribution, a guardrail fixedly installed between adjacent support frames, a plurality of support plates distributed at equal intervals installed on the outer side of the support frame, the inner side of the support plate is a hollow structure, and a plurality of pedal rods distributed at equal intervals are arranged on both sides of the support plate; the invention also comprises: a rod collection mechanism for storing and releasing the pedal rods, and the rod collection mechanism is installed on the inner side of the support plate; the invention can swing a plurality of pedal rods outwards through the rod collection mechanism, so as to facilitate the staff to step on and climb, and can store a plurality of pedal rods at the same time, without adjusting the position of the support plate, thereby solving the problem of easy recovery of the pedal rods in climbing, and achieving the effect of facilitating climbing and storing protection.

The invention relates to an ethanol upgrading device and method, the device is used for upgrading ethanol containing a small amount of ethyl acetate, the device comprises a low-pressure rectification unit, a pumping unit and a high-pressure rectification unit which are connected in sequence, a variable-pressure rectification principle is adopted, azeotrope composition is changed only through a variable-pressure mode, reasonable process parameters are matched, and the quality of ethanol is improved. The purified ethanol is extracted from the low-pressure rectification unit, and the ethanol with higher ethyl acetate content is extracted from the high-pressure rectification unit, so that a large amount of ethanol is prevented from being evaporated to the high-pressure rectification unit, the energy consumption is obviously reduced, the production cost is reduced, and the economic benefit is improved.

The utility model discloses an ecological agriculture vegetable cleaning device, relates to vegetable cleaning device technical field, including cleaning pool, the front end outer surface of cleaning pool is provided with side plate and mud receiving tray, the side plate is located the mud receiving tray, one side outer surface of side plate is movably connected with the turnover frame, and the turnover frame is located the mud receiving tray. A sieve plate is arranged in the middle of the overturning frame, and a connecting spring is arranged between the overturning frame and the sieve plate. According to the ecological agricultural vegetable cleaning device, when the side plates are used, the overturning frame can be driven by the third driving motor to overturn, vegetables in the overturning frame can be conveniently poured into the cleaning water pool to be cleaned, the vegetables can be placed on the sieve plate before cleaning, and the cleaning effect is good. Then a vibration motor can be started to vibrate a sieve plate, the sieve plate can shake through a connecting spring, soil on the vegetables can be screened out through shaking, then the soil can be received through a soil receiving disc, and a large amount of soil can be prevented from entering a cleaning water pool.

The utility model relates to the field of ferrous metallurgy, and discloses a quick lime digestion steam recovery processing system based on three-stage purification, which comprises a digester, a water outlet end of the digester is fixedly connected with a pipeline water curtain dust remover, and a smoke outlet end of the pipeline water curtain dust remover is fixedly connected with a spray tower. The waste water end of the pipeline water curtain dust removal is fixedly connected to the water inlet end of the digester, the smoke outlet end of the spray tower is fixedly connected with a wet electric dust removal device, the smoke outlet end of the wet electric dust removal device is fixedly connected with a dust removal fan, the smoke outlet end of the dust removal fan is fixedly connected with a chimney, and the feeding end of the pipeline water curtain dust removal device is provided with a conveying assembly. According to the utility model, the digester, the belt conveyor, the pipeline water curtain dust remover, the spray tower, the wet electric dust remover, the dust removal fan and the chimney are matched with one another, so that quick lime and water are digested in the digester to generate water vapor, the water vapor is discharged into the atmosphere through three-stage purification, and the problem of recycling the water vapor containing calcium oxide and calcium hydroxide is solved.

The invention provides a natural rubber carbonized conductive material and application thereof in a lithium ion battery positive electrode material, and belongs to the technical field of lithium ion batteries. The waste natural rubber is adopted as the raw material, the problem of recycling of the waste rubber material can be solved, the additional value of the waste natural rubber is improved, and therefore the cost is reduced. The natural rubber carbonized conductive material, the active substance and the binder are prepared into the lithium ion battery electrode according to a certain proportion, the lithium ion battery electrode and the graphite negative electrode are assembled into the battery, the overall performance of the battery is excellent, and the battery shows relatively high cycling stability, relatively high charge-discharge voltage efficiency and power density; the natural rubber carbonized conductive material is introduced and can be used as a reinforcing agent to improve the mechanical stability of the electrode material; the natural rubber carbonized conductive material has excellent heat-conducting property and can quickly dissipate heat generated in the charging and discharging process, so that the comprehensive performance of the battery is further improved.

The invention provides a synthesis method of 1-amino-2-cyano-1-cyclopentene, which comprises the following steps: 1, mixing an ionic liquid and a super-strong organic alkali in a protective gas atmosphere, heating, stirring, uniformly mixing and dissolving to obtain a material A; the ionic liquid is selected from at least one of [BMIM] PF6, [BMIM] BF4, [BMIM] NTf2, [BMIM] OTf and [BMIM] OAc; 2, adiponitrile is dropwise added into the material A under stirring for a reaction, and a material B rich in 1-amino-2-cyano-1-cyclopentene is obtained; 3, cooling and crystallizing the material B, and carrying out pressure filtration to obtain an ACCP crude product; and 4, recrystallizing and refining the obtained ACCP crude product to obtain a pure product. The method provided by the invention has the advantages of simplicity, high efficiency, sustainable production, low cost, low content of generated three wastes, mild reaction conditions and suitability for industrial production.

The invention discloses a method for relieving low endotoxin recovery rate. The method comprises the following steps: (1) rechecking sensitivity of tachypleus amebocyte lysate / verifying reliability of a standard curve; (2) determining key parameters of retention time research according to a production process; (3) determining the non-interference dilution ratio of the sample; (4) carrying out retention time research; (5) determining that the sample has an LER phenomenon; and (6) a method for relieving the low endotoxin recovery rate: treating the sample with human serum albumin, and carrying out retention time research again to confirm that the LER phenomenon is eliminated. And (7) confirming that the low endotoxin recovery rate phenomenon is relieved, and calculating the recovery rate of the endotoxin. The method has the following beneficial effects: 1, shielded endotoxin in a sample can be detected; 2, time and labor are saved; cost is low, operation is easy, and precision is higher than that of rabbit experiments; 4, a sample with a low endotoxin recovery rate phenomenon is solved, and clinical safety and effectiveness are guaranteed.

The present invention relates to the technical field of polymer composite materials, and specifically discloses a straw fiber modified wood plastic composite material. In the present invention, the straw fiber modified wood plastic composite material includes the following raw materials in parts by mass: 100 parts of polypropylene resin, 25-35 parts of flame retardant modified straw fiber, 3-5 parts of maleic anhydride grafted polypropylene, 12-20 parts of synergist, 1-3 parts of antibacterial agent, 1-1.5 parts of stabilizer and 1-3 parts of lubricant, wherein the flame retardant modified straw fiber is prepared from straw fiber powder, basalt fiber and organic flame retardant 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, and the straw fiber renewable resources are recycled in the present invention, which improves its added value and has significant ecological and environmental benefits. Through chemical grafting, each raw material has good dispersibility and compatibility, and the obtained composite material exhibits excellent mechanical properties and flame retardant properties.

The utility model belongs to the technical field of photovoltaic power generation equipment, and discloses a drawer type mobile photovoltaic power station, which comprises a photovoltaic frame group. A plurality of photovoltaic frame groups are arranged; each photovoltaic frame group comprises a horizontally arranged photovoltaic panel, and the lower end surface of the photovoltaic panel is fixedly connected with a pair of symmetrically arranged brackets; the plurality of photovoltaic frame groups are mutually nested, and the lower end surfaces of the brackets of the photovoltaic frame groups are flush with one another; every two adjacent layers of photovoltaic frame sets are connected in a sliding mode, the height of the upper end face of the photovoltaic panel in any photovoltaic frame set is smaller than or equal to the height of the lower end face of the photovoltaic panel in the adjacent photovoltaic frame set on the outer side, and the two supports in any photovoltaic frame set are attached to the two supports in the adjacent photovoltaic frame set on the outer side respectively. The problem that photovoltaic power generation equipment in the prior art is inconvenient to deploy or recycle rapidly is solved, the working efficiency of deploying or recycling the photovoltaic power station is improved, and the portability and the flexibility of the photovoltaic power station are also improved.

The invention provides a recycling method of metal vanadium turning waste, and relates to the technical field of metallurgy, and the recycling method of the metal vanadium turning waste comprises the following steps: S1, treating wire-coil-shaped turning waste, S2, vacuumizing and preheating the treated turning waste, S3, heating and degassing, S4, adding elemental iodine to start iodination, and S5, generating volatile vanadium iodide. And S6, the metal vanadium with the purity being 99.95% or above is obtained, the metal vanadium turning waste can be effectively recycled and reused through the iodination purification technology, due to the wire-coil-shaped structure and gaps of the waste, the iodination reaction is smoothly conducted, and the product quality is improved. The efficient utilization of the waste is promoted, the iodination method utilizes the selective effect of iodine to transfer the metal vanadium from a low-temperature area to a high-temperature area for deposition, so that separation and purification are realized, and the high-value recovery of the metal vanadium turning waste is successfully realized.

The invention discloses a method for recycling waste PET (Polyethylene Terephthalate) and a corresponding polymer. The method comprises the following steps: directly mixing PET with 1, 4-butanediol, aliphatic polyester, polyethylene glycol, polytetrahydrofuran, an aliphatic polyester-nylon copolymer or PA66, inserting 1, 4-butanediol, aliphatic polyester, polyethylene glycol, polytetrahydrofuran, an aliphatic polyester-nylon copolymer or PA66 into a PET molecular chain through ester exchange under the catalysis condition of a multi-core metal catalyst to form a prepolymer, and carrying out heat treatment on the prepolymer to obtain the PET / PA66 composite material. The prepolymer is repolymerized under a reduced pressure condition to generate polymers such as PBT, PBAT, PEBAT and TPEE with higher additional values; according to the reaction mode provided by the invention, the waste PET can be directly subjected to chemical upgrading conversion, the conversion efficiency is high, the process is simple, the waste PET can be fully utilized, the cost can be obviously reduced, and the environmental pollution and the resource waste can be reduced.

The invention discloses a low-creep high-alumina brick based on electric melting a-beta corundum brick waste and a preparation method thereof, and belongs to the technical field of high-alumina bricks. The low-creep high-alumina brick comprises the following raw material components in percentage by mass: 20-30% of electric melting a-beta corundum brick waste with the particle size of 0-3.5 mm; 20 to 30 percent of 85 bauxite particles; 10-20% of fine andalusite powder; 10%-20% of sillimanite fine powder; 0-15% of fused corundum fine powder; 0-15% of Guangxi white mud powder; and 2-5% of an additive which is externally doped. The obtained low-creep high-alumina brick is good in microstructure, stable in product quality, high in compression strength, good in thermal shock performance and low in creep rate and is far superior to similar high-alumina bricks, the performance of the low-creep high-alumina brick is greatly improved, and the low-creep high-alumina brick has important application prospects.

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery with positive and negative electrode adapter plates, which comprises a battery body, pins and an adjusting component, the pins are mounted on the battery body, the adjusting component comprises an adapter plate body, a circular base body, a connecting component, an electrode component and a supporting component, the adapter plate body is mounted on the pins, and the connecting component is mounted on the circular base body. The circular base body is fixedly installed on the adapter plate body, the connecting component is installed on the adapter plate body, the electrode component is installed on the adapter plate body, the supporting component is installed on the adapter plate body, and when the adapter plate is used, the adapter plate body is placed on the pins, so that the pins are in circuit communication with the electrode component through the connecting component, an access is formed, and charge balance is kept; the adapter plate body and the battery body form a whole lithium battery, and the electrode component is in contact with the elastic sheet of the client product to form a loop, so that the welding-free assembly of the client product and the whole lithium battery is realized, and the whole lithium battery is convenient to disassemble and recycle.

The invention relates to the field of catalyst preparation and the field of waste high polymer material recycling, and discloses a spherical cracking catalyst, a preparation method thereof and application of the spherical cracking catalyst in direct catalytic cracking reaction of waste plastics. The spherical cracking catalyst comprises a spherical precursor and a metal oxide, the spherical precursor comprises an SAPO-34 molecular sieve and aluminum oxide, and based on the total weight of the spherical precursor, the content of the SAPO-34 molecular sieve is 20-50 wt%, and the content of the aluminum oxide is 50-80 wt%. The spherical cracking catalyst is applied to a reaction for preparing low-carbon olefin through direct catalytic cracking of waste plastics, so that the problem of recycling of the waste plastics is solved, and the yield of the important chemical raw material low-carbon olefin is increased.

The present invention discloses a method for preparing a photocatalytic ceramic membrane and an integrated photocatalytic ceramic membrane water treatment device. A graphene oxide-titanium oxide composite nanoparticle dispersion is prepared so that the doping amount of the graphene oxide therein is greater than 0 and less than 10%. The composite nanoparticles are then bonded to a ceramic diaphragm by a vacuum filtration method to form a modified ceramic diaphragm with a nanoparticle coating, and its performance is enhanced by a heat treatment of >160°C to obtain a photocatalytic ceramic membrane. The device includes an integrated UV-membrane processing unit, which includes a UV light source and a photocatalytic ceramic membrane, and enables the UV light source to directly irradiate the photocatalytic ceramic membrane to achieve photocatalytic activation. The present invention has the advantages of integration of membrane filtration and catalytic degradation, flexible reactor design, small footprint, and energy saving.

The invention relates to the technical field of metal preparation. The invention provides a preparation method of metal copper. The preparation method comprises the following steps: S1, preparing a copper oxide thin film; s2, preparing a metal aluminum film on the surface of at least one side of the copper oxide thin film; and S3, the thin film containing the copper oxide thin film and the metal aluminum film is placed in an alkaline solution to be soaked, and metal copper is obtained. The method can be used for preparing the metal copper at room temperature, and is simple and convenient.

The invention discloses a heat recovery method and device of a heat supply system, a storage medium and an electronic device. The method comprises the steps that a first temperature value of circulating water in the heat supply system after passing through a primary heat supply network heat exchanger is obtained; under the condition that the first temperature value is larger than the preset temperature value of the cold user or the air source heat exchanger, secondary heat exchange treatment is conducted on the circulating water, circulating water of a second temperature value is obtained, and the first temperature value is larger than the second temperature value; and the circulating water with the second temperature value is conveyed to a waste steam heat recovery heat exchanger for heat recovery. By the adoption of the technical scheme, the problem that heat of circulating water in the heat supply system cannot be effectively recycled and utilized is solved. Furthermore, by adjusting the temperature of the circulating water in the heat supply system and recycling the heat exceeding the demand in the circulating water, the waste steam heat recovery efficiency and the overall energy utilization efficiency are improved.

A fluctuating steam thermal storage and heat exchange device and method are disclosed. The device includes a tank, a heat exchanger, and a spraying device. The spraying device is located in the upper part of the tank, and the heat exchanger is located in the lower part of the tank. The bottom of the tank is connected to the spraying device via an upper pipe section through an upper circulation inlet, and to the middle of the tank via a lower pipe section through a lower circulation inlet. A circulating water pump is installed on the lifting pipe. A steam inlet is provided on the tank between the spraying device and the lower circulation inlet. This invention also provides a thermal storage and heat exchange method based on this fluctuating steam thermal storage and heat exchange device. This invention can solve the problem of recovering and utilizing intermittent polluted steam, and produces clean, high-temperature secondary water that can be used for power generation or winter heating.

The utility model discloses a kind of circulation stationary machines, including, rack, is equipped with stationary bin, disassembly tray bin and empty tray bin;Handling mechanism, be in rack, for handling tray;Driving mechanism, be in rack, driving mechanism drives handling mechanism to be connected between external and the stationary bin, between the stationary bin and disassembly tray bin and between the empty tray bin and external;And;Disassembly tray blanking mechanism, be in rack, and be connected between disassembly tray bin and empty tray bin and between disassembly tray bin and blanking area.Through driving mechanism drives handling mechanism to be connected between external and the stationary bin, between the stationary bin and disassembly tray bin and between the empty tray bin and external, realize handling mechanism multidirectional movement, realize from external tray stationary, after stationary, disassembly tray, after disassembly tray, empty tray, and workpiece is automatically transported to next process from blanking area, entire machine realizes full automation, this machine saves manual work, improves efficiency.

An ammonia recovery device capable of achieving ventilation comprises a water container and a ventilation mechanism; the water container is provided with a level gauge, a drain valve, a density meter, an exhaust outlet and a water supply valve; the ventilation mechanism is provided with two sets of check systems, the purpose of the first check system is to allow the ammonia exhaust gas to enter the water container normally and ensure that the solution in the container is not sucked back into the reactor, and the second check system is to allow air to enter the reactor and ensure that the ammonia exhaust gas is not discharged. When the ammonia exhaust gas generated by the reactor enters the water container, the ammonia gas is absorbed by water and becomes ammonia water, and the saturated ammonia water is discharged to the ammonia water storage tank through the drain valve at the bottom of the container for recycling. When the reactor is discharged, negative pressure begins to be generated in the reactor, and air enters the reactor through the second set of check systems to ensure that the reactor is at normal pressure and discharged normally. Therefore, the present invention solves the problem of ammonia water back-sucking in the reactor while solving the recycling of ammonia gas.

The utility model discloses oil gas recovery equipment, which relates to the technical field of oil gas recovery and comprises a bottom plate, an oil storage tank is mounted at the upper end of the bottom plate and is of a cavity structure, a round hole is formed in the middle of the upper end of the oil storage tank, an oil inlet hole is formed in one side of the upper end of the oil storage tank, and an oil inlet pipe is sleeved on the inner side of the oil inlet hole. An adjusting switch is installed at the upper end of the oil inlet valve, an oil outlet is formed in one side of the lower end of the oil storage tank, the oil outlet is connected with an oil outlet adjusting valve, and the oil outlet adjusting valve is connected to the inner side of the oil outlet in a sleeved mode; through the rotating shaft and the fixing rod in the middle of the oil gas recovery cavity, oil gas in the cavity can be conveniently stirred, the oil gas recovery efficiency is improved, the oil gas stirring function can be achieved, oil gas can be conveniently absorbed and filtered through the adsorption plate on the circular filter barrel, the oil gas filtering stability is improved, and the oil gas recovery efficiency is improved. Therefore, the function of filtering and absorbing oil gas can be realized, and the problem of oil gas recovery is finally solved.

The invention belongs to the technical field of polymer coatings, and particularly relates to a composite chlorinated resin composition, an anticorrosive coating and a preparation method of the anticorrosive coating. The coating disclosed by the invention is prepared from chlorinated polyolefins with different molecular weights and viscosities in a curing system, so that the coating has good adhesive force and flexibility under the condition that a plasticizer and an adhesive force accelerant are not added; the composition and the anticorrosive paint have excellent mechanical properties, corrosion resistance, environmental adaptability and long-acting stability, solve the problem of cost reduction of the traditional chlorinated rubber paint and the problem of recycling of waste polyolefin plastics, and are green and environment-friendly.

The invention discloses a monatomic Rh polymer catalyst as well as a preparation method and application thereof, and relates to the technical field of catalyst preparation. The catalyst comprises an active component and a carrier, the active component is rhodium metal, the carrier is a polymer containing a phosphine ligand, and the catalyst is of a microporous structure. The monatomic Rh polymer catalyst can realize efficient conversion of common olefin compounds under relatively mild conditions, has high activity and high aldehyde forming selectivity in a hydroformylation reaction, can be stably circulated for more than 5 times, and effectively solves the problems of catalyst separation and recovery. In a hydrosilylation reaction, a terminal silane product is selectively generated, and the method is an effective method for preparing an organosilicon reagent. The invention solves the problem of poor stability and activity of the existing heterogeneous catalyst.

The invention discloses a method for regenerating an H-shaped vertical-axis breeze generator blade from a waste wind power blade, and relates to the field of resource recycling, the H-shaped vertical-axis breeze generator blade is manufactured by cutting a formed section of the waste wind power blade, and an epoxy resin glass fiber reinforced plastic sandwich panel of the waste wind power blade has the characteristics of light weight, high strength and corrosion resistance; the glass fiber reinforced plastic sandwich plate of the waste wind power blade is used for replacing aluminum alloy to produce the H-shaped vertical-axis breeze generator blade, so that the waste wind power blade is recycled, the weight of the H-shaped vertical-axis breeze generator blade is reduced under the condition that the strength of the H-shaped vertical-axis breeze generator blade is guaranteed, loads of a supporting structure and a transmission system are reduced, and the service life of the H-shaped vertical-axis breeze generator blade is prolonged. The blades of the H-shaped vertical-axis breeze generator are easier to start and accelerate at a lower wind speed, so that the blades can operate in a wider wind speed range; the wind energy capturing efficiency is improved, and the waste wind power blade obtains the second life, so that the cyclic utilization of resources is realized, and the sustainable development is promoted.

The application discloses a solution containing natural macromolecule and a coagulation molding method. The fiber stream obtained by wet spinning of the solution containing natural macromolecule is coagulated and molded through at least one coagulation bath. The solution containing natural macromolecule contains metal hydroxide and an additive selected from at least one of urea, zinc oxide and thiourea. Bicarbonate or bisulfite or a combination of bicarbonate and carbonate or a combination of bisulfite and sulfite is used as a component of the coagulation bath. The low-cost, green, efficient, non-toxic, harmless and inexpensive inorganic salt solution does not contain strong acid and organic solvent, and can be used to prepare long fibers with circular cross section and excellent mechanical properties. The long fibers have smooth surface, softness and luster. In the coagulation bath, the bicarbonate and carbonate or the bisulfite and sulfite can be easily separated and recovered.