1325 results about "Material recycling" patented technology

One aspect is a method for producing a first intermediate product. A feedstock is provided that comprises a first polyester. The first polyester is contacted with a further organic compound in a volume section V3 to obtain a further initial mixture. A weight average molar mass of the first polyester is reduced in the volume section V3 to obtain a first intermediate mixture. The first intermediate mixture comprises a first intermediate product and the further organic compound. First particulated material is added to the first intermediate mixture in a volume section V4. A filtering means is pre-coated with the first particulated material. At least one impurity is at least partially removed from the first intermediate mixture using the filtering means. The first particulated material has a median pore diameter in the range of 5 mm to 20 mm.

The invention relates to the technical field of pipeline solid waste material treatment, in particular to a pipeline solid waste grading crusher and a material recycling method thereof.The pipeline solid waste grading crusher comprises an outer shell with the bottom face provided with a supporting base, a first feeding frame and a second feeding frame, and the first feeding frame and the second feeding frame are sequentially installed above the outer shell from front to back; and a first-stage crushing assembly and a second-stage crushing assembly are sequentially installed in the outer shell from top to bottom, a moving ring is connected to the interior of the left side of a second feeding frame through a connecting control mechanism, a cross frame body is installed in the moving ring, and cutter assemblies used for preliminary slitting are symmetrically fixed to the right side face of the cross frame body. According to the pipeline solid waste grading crusher and the material recycling method thereof, aged or damaged hard plastic pipelines can be conveniently and preliminarily cleaned, and the situation that the crushing efficiency and quality are affected by impurities such as sludge is avoided, so that the crushing and recycling efficiency and quality of the plastic pipelines can be improved, and plastic particles obtained after crushing are conveniently recycled and reused in the later period.

The invention provides a method for recovering a lithium iron phosphate material from a waste battery, and relates to the technical field of battery material recovery. The method comprises the following steps: pre-treating the waste battery; treating a positive plate; and material recovery. Wherein the positive plate treatment specifically comprises the step of soaking the positive plate by adopting a first soaking agent. And crushing the positive plate soaked in the first soaking agent. Soaking the crushed positive plate in a second soaking agent, and filtering to obtain a first filter residue taking the positive active material as a main component; and drying, grinding and screening the first filter residue to remove impurities so as to obtain the lithium iron phosphate impurity-removed material. According to the method for recovering the lithium iron phosphate material from the waste battery, provided by the invention, impurities in the recovered lithium iron phosphate material can be reduced, and the purity of the recovered lithium iron phosphate material is increased; the performance of the lithium iron phosphate material synthesized again after the lithium iron phosphate in the waste battery is recycled can meet the brand-new battery-grade raw material requirement.

The present disclosure generally relates to collecting, handling, and / or sorting of waste or other objects. For example, certain embodiments are generally directed to systems and methods for collecting and sorting objects such as trash, recyclables, compostables, etc. In some cases, such systems may be used at a MRF (materials recovery facility), a transfer station, a public facility, or other locations where various objects in a waste stream are to be sorted. In some cases, the system may be relatively small and compact. The waste stream may be singulated or separated into discrete objects to facilitate identification and sorting. For example, two or more discrete objects within the waste stream that are contacting one another or are proximate to one another may be separated, so as to facilitate identification and / or sorting of the objects. This may be useful, for example, for producing less contaminated streams of trash, recyclables, compostables, etc. from a waste stream.

The invention provides a high-value recovery method and device for a retired double-glass photovoltaic module. The high-value recovery method comprises the four steps of lossless disassembly of a frame and a junction box, gradient separation of double-sided glass, segmented pyrolysis of inert gas and material sorting. On the basis of gradient pyrolysis and flexible separation and recovery technologies, nondestructive recovery of the double-sided glass is realized, and complete separation of the double-sided glass is realized by gradient heating and flexible stripping technologies; high-value battery pieces are reserved, and thermal damage is avoided through segmented pyrolysis and ultrasonic vibration; resources are circulated in a closed-loop mode, the reutilization rate of glass, battery pieces and welding strips is high, and the retired double-glass assembly can achieve all-material closed-loop recycling.

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

The invention relates to a method for catalytically degrading a polyester material by using an ionic liquid and application of the polyester material, and mainly solves the technical problems of high energy consumption, environment unfriendliness and complex process in polyester material recovery research in the prior art. According to the technical scheme, the novel method for catalytically degrading the polyester material through the ionic liquid comprises the steps that the ionic liquid is used as a catalyst, diol is used as an alcoholysis agent, polyester is catalytically degraded, and the ionic liquid has the following general formula: A + B-(I); in the formula, A < + > is an organic alkali cation, and B <-> is an alkoxy anion, the problem is well solved, and the method can be applied to polyester recovery industry.

The invention belongs to the technical field of lithium ion battery material recovery, and discloses a regeneration, repair and doping method of a waste lithium iron phosphate material and a regenerated positive electrode material. The method comprises the following steps: firstly, immersing waste LiFePO4 powder into a mixed solution of citric acid and ascorbic acid, oscillating to selectively dissolve out Fe < 3 + > impurities, and synchronously reducing Fe < 3 + > on the surface to Fe < 2 + >; then Li2CO3 is added into the leached powder for lithium bit compensation, and ball milling and uniform mixing are carried out; then Al2O3 and TiCl3 are added for aluminum-titanium co-doping, and ultrasonic dispersion is carried out uniformly; and finally, carrying out segmented sintering. In the first stage, sintering is carried out in an air atmosphere at 300-350 DEG C; in the second stage, sintering is performed at 600-700 DEG C in an inert gas atmosphere; and finally obtaining the regenerated positive electrode material. According to the method, waste lithium iron phosphate batteries can be turned into wealth, the lithium iron phosphate positive electrode material with good electrochemical performance is obtained, the complex and expensive impurity removal process is omitted, the cost is low, and possibility is provided for large-scale industrial regeneration and repair of waste lithium iron phosphate active substances.

The invention belongs to the technical field of material preparation and air pollution control, and particularly relates to preparation of a manganese oxide composite material photocatalyst with foamy carbon as a substrate material. According to the preparation method, a solution impregnation method is adopted, the surface of foamy carbon is pretreated and activated, an activated carbon skeleton can adsorb a material precursor more easily, and the MnxOy / FC composite material can be prepared through calcination. The MnxOy is anchored on the carbon skeleton, so that the loss of MnxOy nanoparticles in air flow is reduced, the secondary pollution possibly caused by the MnxOy nanoparticles in the catalytic reaction process is avoided, and the recycling of the material can be realized through the integral material design. Experiments prove that the degradation rate of the material to 600 ppm toluene under the irradiation of sunlight simulated by a 300 W xenon lamp reaches 95% within 30 min, the material has rapid degradation efficiency to toluene under the concentration of 100-2000 ppm, the reaction activity is basically kept unchanged in 20 cycle experiments, and the material has very strong stability. And the catalyst has good degradation performance on removal of gaseous pollutants such as formaldehyde, benzene and the like, and has universality. The preparation method is simple, the raw materials are low in price, the chemical properties of the materials are stable, no pollution is caused, the energy consumption in the preparation process is low, and the material shows excellent degradation performance on VOCs, can be applied to various waste gas emission or leakage environments and the like, and has a wide application prospect.

The utility model discloses a regeneration device of a hydrogen adsorption tower, and relates to the technical field of hydrogen adsorption. Comprising a hydrogen adsorption tower A and a hydrogen adsorption tower B. A hydrogen feeding port of the hydrogen adsorption tower A and a hydrogen feeding port of the hydrogen adsorption tower B are connected with a first hydrogen feeding pipeline and a second hydrogen feeding pipeline respectively, and the first hydrogen feeding pipeline and the second hydrogen feeding pipeline are provided with a first feeding valve and a second feeding valve respectively. When the hydrogen adsorption tower is regenerated, the hydrogen adsorption tower is decompressed, organic phases in the hydrogen adsorption tower are desorbed by water vapor, the desorbed regenerated materials are recycled by the material recycling unit, and then the hydrogen adsorption tower is purged by hot nitrogen and cold nitrogen in sequence. And finally, hydrogen balance is performed on the hydrogen adsorption tower by using qualified hydrogen, so that regeneration of the hydrogen adsorption tower can be completed, and stable operation of hydrogen adsorption is ensured.

The invention discloses a fiber-reinforced thermoplastic resin-based composite material based on dynamic reversible interface interaction and a preparation method and a recycling method thereof. The fiber-reinforced thermoplastic resin-based composite material comprises a modified thermoplastic resin matrix and a modified fiber reinforcement which are compounded with each other, the modified thermoplastic resin matrix and the modified fiber reinforcement are bonded and connected through dynamic bonds with dynamic reversible interface interaction. Through construction of dynamic reversible interface interaction in the fiber-reinforced thermoplastic resin-based composite material, infiltration compounding and interface bonding between a fiber reinforcement and a high-viscosity thermoplastic resin melt can be enhanced, and interface debonding and total-value recycling of the fiber reinforcement in the composite material recycling process can be effectively promoted; therefore, the bottleneck problems of poor wettability in the forming process, low bonding fastness at a heterogeneous interface, insufficient mechanical properties, low waste recovery value and the like confronted by the development of the fiber-reinforced thermoplastic composite material are effectively solved.

The invention provides a high-compaction lithium iron phosphate positive electrode material and a preparation method thereof, and belongs to the field of recycling and repairing of lithium ion battery materials. The method comprises the following steps: step 1, dispersing iron phosphate, lithium carbonate, glucose, polyethylene glycol PEG and titanium dioxide into water to form first slurry; step 2, sanding the first slurry to a first predetermined particle size requirement, and then performing spray drying to obtain first solid powder; 3, roasting the first solid powder to obtain a sample A; step 4, dispersing iron phosphate, lithium carbonate, glucose and PEG into water to form second slurry; step 5, sanding the second slurry to a second predetermined particle size requirement, and then performing spray drying to obtain second solid powder; step 6, roasting the second solid powder to obtain a sample B; and step 7, mixing the sample A and the sample B, carrying out size mixing, carrying out sand milling, controlling to a third preset particle size requirement, carrying out spray drying, then carrying out roasting, and carrying out airflow crushing to obtain the high-compaction lithium iron phosphate positive electrode material.

The invention provides a multifunctional aerogel fiber based on a waste firefighter uniform fabric and a preparation method thereof, and belongs to the technical field of textile material recovery. The method comprises the following steps: separating aramid fiber 1313, aramid fiber 1414 and conductive fiber from the waste firefighter uniform; dissolving step by step, and compounding with sulfonated MXene to prepare a spinning solution; forming a gel fiber precursor through wet spinning, and spirally winding and stranding; performing supercritical carbon dioxide treatment to construct a porous structure; and finally coating a functional skin layer. Spiral winding stranding is adopted to replace traditional parallel stranding, interface micro-fusion is generated in combination with supercritical carbon dioxide, and mechanical interlocking and hydrogen bond strengthening between fibers are synchronously achieved; the continuity of the conductive network is enhanced through sulfonated MXene modification, and the solvent system difference is avoided through beam splitting spinning. The prepared aerogel fiber has the characteristics of high strength, high conductivity and high temperature resistance, and solves the problems of poor interface bonding and single function of various fibers in the waste firefighter uniform.

The invention belongs to the technical field of road engineering material recycling, and particularly relates to an asphalt pavement reclaimed material original biochemical separation process and equipment, and the process comprises the following steps: 1, recovering an old asphalt pavement to obtain an old asphalt mixture; step 2, carrying out dust removal treatment on the recycled old asphalt mixture; 3, preliminarily scattering the old asphalt mixture in a flexible scattering manner; 4, the scattered materials are subjected to primary screening; step 5, performing primary crushing on the coarse material subjected to primary screening; step 6, performing secondary crushing on the materials subjected to primary crushing; step 7, carrying out deasphalting membrane treatment on the crushed material by adopting a physical or chemical method; and step 8, performing fine screening on the material after the asphalt film is removed. Through the steps of flexible scattering, multi-stage crushing, fine screening and the like, excessive crushing of aggregates can be effectively avoided, coarse and fine aggregates with different particle sizes can be accurately separated out, and the quality and applicability of the aggregates are improved.

The invention belongs to the technical field of lithium battery material recovery, and particularly relates to a method for recovering a waste lithium iron phosphate positive electrode material. The method comprises the following steps: (1) grinding and sieving the positive electrode material of the waste lithium iron phosphate battery, mixing with an alkaline solution, stirring and leaching, and carrying out solid-liquid separation to obtain a lithium-rich solution and leaching residues; (2) introducing a saturated sodium carbonate solution into the obtained lithium-rich solution, carrying out heating reaction, filtering, taking a solid phase, and drying to obtain lithium carbonate; and the obtained leaching residues are dried, and ferroferric oxide is obtained. According to the method, the waste lithium iron phosphate battery positive electrode material is leached through the alkaline liquid phase, it can be guaranteed that lithium and iron in waste lithium iron phosphate are separated through a one-step leaching method, and therefore selective lithium extraction is achieved. The whole technological process is convenient to operate, mild in reaction condition and low in energy consumption, does not need to use any acid or oxidant, avoids generation of a large amount of waste liquid and harmful gas, and is high in selective lithium extraction efficiency.

The application discloses a preparation device for regenerated colored lycra fabric fibers, belongs to the technical field of clothing fiber recycling equipment, and solves the problems of low impurity removal rate, poor cutting effect and low efficiency in the prior art. The device comprises a conveying device, which is used for feeding materials and conveying the materials into a cleaning device. The cleaning device is used for cleaning the materials. A recycling device is used for recycling the materials. The cleaning device is arranged below the output end of the conveying device. The recycling device is arranged at the side of the cleaning device. A transfer device is further arranged above the cleaning device and the recycling device. The application cleans the materials in the basket through the cleaning device, effectively removes dust and other impurities on the materials, improves the quality of material recycling, and increases work efficiency. The material is dried in the drying device first, and then cut and crushed for recycling, so that the cutting effect is ensured and the work efficiency is high.

The invention discloses a preparation method and application of an aminated MIL-101 (Cr) material for enhancing adsorption of perfluorinated compounds, relates to the technical field of metal organic framework materials, and aims to enhance the adsorption effect of the aminated MIL-101 (Cr) material on the perfluorinated compounds. The preparation method comprises the following steps: taking MIL-101 (Cr) as a skeleton raw material and tris (2-aminoethyl) amine as an amination raw material, and then synthesizing and modifying to prepare the MIL-101 (Cr)-TAEA, the average pore size of which can be more than 7 times of that of the MIL-101 (Cr); the MIL-101 (Cr)-TAEA can be applied to removal of perfluorinated compounds in water, and after four times of cyclic regeneration, the total removal rate of PFASs is reduced by less than 5% compared with that of first adsorption; the preparation steps are simple and easy to operate, the raw materials are easy to obtain, the preparation cost is low, the average pore size of the prepared aminated MIL-101 (Cr) material is greatly increased, the flexibility of the material is enhanced, the adsorption performance on perfluorinated compounds is good, the saturation adsorption capacity is high, and the cyclic regeneration performance of the material is excellent.

The invention belongs to the field of aluminum-based composite material recycling, and particularly relates to an aluminum-based composite material machining chip recycling method which comprises the steps that oil stains and floating dust on the surfaces of machining chips are removed, and the machining chips are crushed into sheets; carrying out alkali washing and acid washing cleaning to remove an oxide layer; determining a reinforced phase mass fraction through pickling; stirring the flaky material, and performing gravity settling to obtain particles arranged in parallel; performing low-temperature vacuum sintering to obtain a billet; and the aluminum-based composite material with high interface bonding strength and good uniformity is prepared through high-temperature plastic deformation. And the particle reinforced aluminum matrix composite material processing chips are recycled, so that the machining loss is reduced. And the oxide layer is removed, and the particle sintering difficulty is reduced. And the processing chips are arranged in parallel, so that the problems that the sheet-shaped aluminum-based composite material particles are not dense in hot pressing and easy to generate pores due to high strength are solved, and a new scheme is provided for recycling and reusing the composite material.

The utility model relates to the technical field of UTG glass cutting, and discloses a UTG glass raw material production cold section cutting production line, which comprises a transverse cutting conveying mechanism, a transverse cutting mechanism, a transverse cutting mechanism and a transverse cutting mechanism, the longitudinal cutting mechanism is used for longitudinally cutting according to requirements; the splitting mechanism is arranged on the right side of the transverse cutting and conveying mechanism and used for separating the cut UTG glass; the cracked ear material conveying mechanism is arranged on the right side of the splitting mechanism and is used for separating ear materials from the cut glass and conveying finished products away; the transverse cutting conveying mechanism comprises a first rack, and a plurality of first sliding rails are arranged at the top of the first rack at equal intervals. According to the utility model, through the transverse follow-up cutting, the longitudinal high-precision cutting and split piece separation, the dust collection assembly and the automatic variable-width conveying technology, the cutting efficiency and precision are improved, the split piece separation smoothness, the dust treatment capacity and the offcut recovery capacity are optimized, and the problems of low efficiency, poor precision, serious pollution and incomplete offcut treatment in the prior art are solved.

The invention relates to the technical field of waste battery recycling, in particular to a battery module lossless disassembling method based on low-temperature brittleness difference, which comprises the following steps: step 1, analyzing material brittleness and formulating a gradient cooling program; 2, local directional cooling and embrittlement control, wherein a low-temperature cooling medium is adopted to conduct directional spraying on the adhesive concentration area, and meanwhile the temperature of the metal current collector is maintained to be higher than the embrittlement temperature of the metal current collector through heat insulation protection; temperature distribution is monitored in real time, cooling parameters are dynamically adjusted, and it is ensured that a target material is completely embrittled; step 3, vibration separation and layered recovery: applying low-frequency vibration to the embrittled battery module to break the embrittled material layer; and sorting materials based on fragment size and density difference, and recovering the complete metal current collector. By means of the steps, it is guaranteed that materials are not damaged in the disassembling process, and lossless disassembling and efficient recycling of the battery module are achieved through accurate control and the efficient sorting process.

The invention relates to the technical field of battery material recovery, and particularly discloses a method for efficiently recovering lithium and ferrous sulfate heptahydrate in retired lithium iron phosphate through total leaching and green impurity removal. Comprising the following steps: 1, adding strong base and a carbon source into black powder, and calcining at high temperature in an inert atmosphere; step 2, dissolving in pure water after calcining, and carrying out suction filtration to obtain a lithium salt solution and ferrous hydroxide; 3, sulfuric acid is added into ferrous hydroxide for suction filtration, and graphite and a ferric salt solution are obtained; drying the ferric salt solution to obtain ferrous sulfate heptahydrate; step 4, adding alkali into the lithium salt solution to obtain a purified lithium salt solution; 5, introducing carbon dioxide into the purified lithium salt solution, and adding alkali to generate lithium carbonate precipitate; and 6, finally carrying out heat preservation, suction filtration, washing and drying to obtain a lithium carbonate finished product. The technical problems that in the prior art, a traditional decommissioned lithium iron phosphate battery grading recycling technology is complex in production process, more waste liquid pollution is generated, and the production cost is relatively high are solved.

The present invention provides an edge material recycling device for a film blowing machine, which relates to the technical field of film edge material recycling and includes an edge material receiving unit; the control unit is installed on the edge material receiving unit; the collection bag positioning unit is installed on the edge material receiving unit; the edge material recycling unit is installed on the edge material receiving unit; the protection unit is installed inside the edge material receiving unit; there are two groups of multifunctional units in total, and the two groups of multifunctional units are installed on the front and back sides of the edge material receiving unit; the support unit is installed at the bottom of the edge material receiving unit; the present invention facilitates the staff to fix the film edge material collection bag through two rows of collection bag positioning rods, ensuring that the bottom of the edge material receiving hopper is always inserted into the film edge material collection bag, reducing the labor intensity of the staff; solving the problem that the staff generally need to hold the top of the film edge material collection bag, unable to position the film edge material collection bag, and increasing the labor intensity of the staff.

The invention relates to the technical field of energy-saving crushing, and discloses a material returning device for non-woven fabric production, the material returning device comprises a crusher shell, crushing rollers, a servo motor and a feeder, the crushing rollers are symmetrically and rotatably connected to the interior of the crusher shell, the servo motor is mounted on the outer side of the crusher shell, and the crushing rollers are driven by the servo motor; the anti-blocking and anti-winding assembly comprises removing columns, the removing columns are rotationally connected into the crusher shell, and the number of the removing columns and the number of the crushing rollers are both two. Non-woven fabric waste is limited in an effective crushing area in the middle of the crushing roller through the guide blocks on the inner walls of the limiting feeding plates, so that the waste is prevented from diffusing towards shaft heads at the two ends of the crushing roller, and the winding risk is reduced from the source; secondly, the removing column synchronously rotates along with the crushing roller and is located in the rotating path of the crushing roller, residual fibers on the surface of the crushing roller can be scraped off in real time, and fiber accumulation is prevented from forming a winding foundation; and the double structure reduces the rotation resistance of the crushing roller.

A system and process for sorting and recovery of recyclable materials, and in particular, sorting and recovery of recyclable materials from mixed waste comprising municipal solid waste in a materials recovery facility or “MRF” are provided. Advanced technology and machinery are integrated into a multi-step system and process that are designed to treat contaminated MSW streams to meet or exceed minimum material quality specifications while also reducing and minimizing headcount of sorter personnel. Because the mix of materials in MSW can be so varied and unpredictable, the system and process are designed to effectively sort and recover desired materials from MSW streams having a variety of material compositions.

The invention relates to the technical field of high polymer material recycling, and discloses a composite material prepared from recycled PC (polycarbonate), which comprises the following components in parts by mass: 95-100 parts of recycled PC; 10 to 20 parts of a reactive toughening agent with a maleic anhydride functional group; 0.5 to 2.0 parts of a furan functionalization reagent; 2 to 8 parts of a bismaleimide cross-linking agent; 0.5 to 1.0 part of a compound stabilizer; the reactive toughening agent with the maleic anhydride functional group is a maleic anhydride grafted styrene block copolymer; the maleic anhydride grafted styrene block copolymer is a product obtained by reacting a styrene-ethylene-butylene-styrene copolymer with maleic anhydride. According to the invention, efficient reutilization of recycled polycarbonate is realized, rigid-tough balance is improved through interface bonding of the reactive flexibilizer, the material is endowed with self-repairing capability by utilizing a dynamic cross-linked network, and the service life is remarkably prolonged.

The invention discloses a thermoplastic wave-absorbing material as well as a preparation method and application thereof. The thermoplastic wave-absorbing material comprises a silane coupling agent modified absorbent and thermoplastic polyurethane, wherein the thermoplastic polyurethane is prepared from the following raw materials in parts by mass: 100 parts of a polyurethane matrix, 2 to 4 parts of an anti-hydrolysis agent, 2 to 4 parts of an antioxidant, 0.1 to 0.5 part of a mildew preventive and 2 to 10 parts of a plasticizer. The thermoplastic wave-absorbing material disclosed by the invention has good wave-absorbing performance in a range of 1-18GHz, has temperature resistance, flexibility, mechanical strength and environmental adaptability which are equivalent to those of a thermosetting material, and has a wide application prospect. According to the preparation method, extrusion molding is adopted, continuous production can be achieved, use of solvents is reduced, the method is more environmentally friendly, the material can be recycled after being damaged, and therefore the material cost is effectively reduced.

The invention discloses a method for recovering and repairing positive and negative electrode materials of a lithium ion battery, which comprises the following steps of: crushing a waste lithium ion battery into sheets, volatilizing electrolyte through low-temperature heat treatment, and screening out an aluminum shell and a diaphragm through winnowing to obtain a positive and negative electrode sheet mixture; performing color sorting on the positive and negative electrode plate mixture through a color sorter, and separating to obtain a positive electrode plate and a negative electrode plate; sintering the positive plate for the first time to volatilize the binder, and then sintering for the second time to complete repair to obtain a positive electrode material and aluminum powder; and repairing the negative plate directly through one-time sintering to obtain a negative electrode material and copper powder. According to the method, separation, recovery and repair of the positive and negative electrode materials in the waste lithium ion battery are directly realized through crushing, low-temperature heat treatment, winnowing, color sorting and sintering, the positive and negative electrode materials are high in recovery rate and low in impurity content, and the positive and negative electrode materials in the waste lithium ion battery can recover or even exceed the original performance through accurate repair.

The invention relates to the technical field of recycling devices, and discloses a regenerant recycling device for chemical production, which comprises a water inlet tank, the top of the water inlet tank is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, the circumferential surface of the water inlet tank is fixedly connected with a water pump, and the inner wall of the water pump is provided with a water inlet pipe; when wastewater is treated, an L-shaped rod is driven by a motor to indirectly discharge chemicals, chemical liquid is prevented from being polluted, chemical feeding of sewage is more accurate, chemical waste is reduced, the treatment effect is improved, the sewage treatment efficiency is improved, and the chemical feeding efficiency is improved while chemical feeding. The rotating shaft drives the turning plate to rotate to turn the sewage, so that the sewage and a purification agent can be more fully fused, the contact area of the agent and the sewage is increased, the chemical reaction speed is increased, and the sewage purification effect is improved.

The invention relates to the technical field of powder conveying, in particular to melamine resin powder quantitative conveying and excess material automatic recycling integrated equipment which comprises a support and a discharging tank. The transmission assembly comprises a discharging barrel, a material moving column and a pushing head; the stroke adjusting assembly comprises a first adjusting rod; the excess material recycling assembly comprises a rack and a sliding rod, quantitative discharging and excess material recycling are integrated, the operation steps are optimized, meanwhile, the efficiency is improved, meanwhile, charging, discharging and excess material recycling are automatically achieved in the rotating process of the material moving column, the circulating integrated production process is achieved, and the production efficiency is improved. When the excess material recycling assembly vibrates, excess materials on the lower portion are shaken off and collected, meanwhile, falling distributed materials on the upper portion are vibrated, gaps are eliminated, accurate discharging is guaranteed, when the discharging amount is set, balance weights are adjusted in a self-adaptive mode, finally, the amplitude and the vibration effect are improved in a self-adaptive mode, integrated adjustment of the discharging amount range and the amplitude is achieved, and the discharging efficiency is improved. The occupied space is saved; and meanwhile, the production efficiency is improved.

The invention discloses a power battery disassembling method and related equipment, and relates to the technical field of power batteries, and the method comprises the following steps: obtaining multi-mode sensing data of a to-be-disassembled battery pack; performing risk assessment on the multi-modal sensing data based on a preset safety threshold, and generating a risk level matrix; based on the multi-modal sensing data and the risk level matrix, analyzing and processing the battery pack topological relation of the to-be-disassembled battery pack through a preset adaptive decision model to obtain a disassembling path planning scheme; and based on the disassembling force parameter and the disassembling path priority, controlling the heterogeneous robot to collaboratively execute the disassembling operation on the to-be-disassembled battery pack by an execution unit. Through multi-mode sensing, risk assessment, self-adaptive path planning and heterogeneous robot collaborative operation, high safety, high efficiency and high precision in the power battery pack disassembling process are achieved, and the material recycling value is improved.