61results about How to "Improve secondary use" patented technology

The invention discloses a plant nutrient solution. The plant nutrient solution is made by mixing, by weight, 370 parts of monoammonium phosphate, 150 parts of potassium nitrate, 60 parts of zinc phosphate, 30 parts of copper sulfate, 10 parts of ferrous sulfate, 15 parts of magnesium sulfate, 10 parts of manganese sulfate, 15 parts of borax, 7 parts of ammonium molybdate, 30 parts of fresh pea juice, 1000 parts of a component A, 33 parts of fresh aloe juice, 90 parts of a component B, 100 parts of fulvic acid and 80 parts of amino acid. The plant nutrient solution can effectively promote absorption of major elements by plants, and absorption of major elements by plants can be higher than 90%. Soil improvement, phosphate solubilization, nitrogen solubilization can be realized to improve soil regenerability, enhance photosynthesis and promote root growth, and secondary utilization of fertilizers can be effectively improved. Further, pesticide residue on the plants can be effectively reduced, and the planting structure of following crops can be adjusted.

The invention discloses a solder strip shaping mechanism, and the mechanism comprises a solder strip tensioning clamping mechanism, a solder strip bending mechanism, a cutting clamping mechanism, and a cutter, wherein the solder strip tensioning clamping mechanism, the solder strip bending mechanism, the cutting clamping mechanism and the cutter are sequentially arranged along a solder strip conveying direction. A marking press mechanism which is used for forming a pattern for light diffuse reflection on the surface of a solder strip is disposed between a solder strip coil and the cutting clamping mechanism. Compared with a conventional film-pasting mechanism, the mechanism is simpler, is smaller in number of parts, is convenient to operate, is lower in cost of production and maintenance, can improve the effect of light reflection, improves the secondary utilization ratio of light energy, and improves the efficiency of power generation.

The invention discloses a factory type production system of sprouting vegetable. The system is characterized by comprising a seed disinfecting space, a seed soaking space, a spraying space, a finished product distributing space and a finished product storing space; water-saving circulating production systems are arranged between the seed disinfecting space, the seed soaking space and the spraying space; a cleaning device of a sprouting vegetable basket and a roller table conveying structure of the sprouting vegetable basket are arranged in the storing space. According to the system, a circulating rail and a soaking barrel loading seat are arranged in the soaking space, so that the carrying and loading are convenient; the sprouting vegetable can be sprayed through the spraying space according to the sprouting temperature required in different seasons, and thus sprouting vegetable can be marked each day; the water-saving circulating systems arranged improve the secondary circulation of a water resource, and therefore, the energy consumption is saved; the finished product distributing space can effectively clean and sort coat and shell included in the sprouting vegetable.

The invention discloses a high-dietary-fiber bran and red jujube probiotics chewing tablet. The chewing tablet is prepared by pelleting, low-temperature drying, size stabilizing and tabletting of bran and red jujube fermented grain powder, a flavoring agent, a coagulator and a lubricant, wheat bran powder rich in dietary fiber and red jujube mud with full function and high sugar content are taken as raw materials, lactobacillus plantarum and leuconostoc mesenteroides subjected to domestication expanding culture are taken as leavening agents, and the chewing tablet is made through solid state fermentation, vacuum freeze drying and high-speed crushing. The high-dietary-fiber bran and red jujube probiotics chewing tablet has the advantages of easy obtain of the materials, low cost, few addition of supplementary materials, palatable flavor, high dietary fiber content and rich nutrient and intestinal probiotics of the lactobacillus plantarum and leuconostoc mesenteroides, and combined colony count is maintained at 8X107cfu / g above level within the product warranty period; the chewing tablet having good conditioning and healthcare functions on human constipation is a good healthcare food and can be chewed and eaten directly.

The invention provides an electric vehicle intelligent charging control method, an electric vehicle and a device. The electric vehicle comprises at least two charging modes, and the intelligent charging control method of the electric vehicle comprises the following steps: an obtaining step of obtaining an instruction of selecting a charging mode or a default charging mode; and a charging control step of charging a power battery of the electric vehicle by using one charging mode corresponding to the instruction of selecting the charging mode or one charging mode corresponding to the instructionof the default charging mode.

The invention relates to the technical field of wastewater recovery treatment, in particular to a domestic wastewater recovery treatment device. A box cover is arranged above a box body, a water inletis formed in the center of the box cover, a water inlet pipe penetrates through the water inlet to be fixedly connected with the box cover, an electromagnetic valve and an impurity groove are connected to the water inlet pipe, a coarse filtration layer is arranged below the water inlet, a fine filtration layer is arranged below the coarse filtration layer, an activated carbon adsorption layer isarranged below the fine filtration layer, a water outlet is arranged on the lower side surface of the box body and fixedly connected with a water outlet pipe, a water pump is mounted on the water outlet pipe, a water storage tank is located on one side of the box body, the water outlet pipe is fixedly connected with the water storage tank, an ultraviolet disinfection lamp is arranged in the waterstorage tank, and a master control unit is arranged on the outer side of the water storage tank and electrically connected with the electromagnetic valve, the water pump and the ultraviolet disinfection lamp. The domestic wastewater recovery treatment device has the benefits as follows: the device is simple in structure and lower in cost, secondary utilization of domestic water can be improved, domestic water consumption is reduced, and water resources are protected while the production cost is saved.

The invention relates to the field of electrochemical polishing and discloses an electrochemical polishing technology for aluminum or stainless steel products.The electrochemical polishing technology for aluminum or stainless steel products comprises the following steps that aluminum or stainless steel products to be polished are put into an organic solvent for ultrasonic cleaning and then blow-dried for use; an aluminum polishing solution is prepared, wherein strong acid is added into ethyl alcohol and mixed evenly, and the volume ratio of strong acid to ethyl alcohol is 1:(5-6); a stainless steel polishing solution is prepared, wherein phosphoric acid, concentrated sulfuric acid and lactic acid are mixed evenly, and the volume ratio of phosphoric acid to concentrated sulfuric acid to lactic acid is (6-8):5:3; the aluminum or stainless steel products serve as anode and cathode boards and are put into the corresponding polishing solutions, a direct current power source is connected, and polishing is carried out; the aluminum or stainless steel products are washed with clean water and blow-dried.The electrochemical polishing technology is easy and convenient to implement, free of potential safety hazards, efficient and environmentally friendly.

The invention provides a preparation method of a composite ceramic. The preparation method of the composite ceramic comprises the following steps that fiber cloth is bonded on the surface of a bulletproof back plate; a plurality of packaged ceramic small blocks are bonded on the surface of the fiber cloth; the fiber cloth is bonded on the surface of the plurality of packaged ceramic small blocks to form a ceramic plate; and the ceramic plate is cured to obtain the composite ceramic. The composite ceramic prepared by the method provided by the invention forms a new integral ceramic plate, and has the shock wave isolation effect, so that the anti-multiple attack ability is remarkably enhanced; the ceramic small blocks are bonded to one another, so that the overall bending strength is remarkably improved, the structural integrity and the bulletproof performance of the ceramic small blocks are not reduced under a long-term static load or dynamic load; and after impact, the damaged ceramicsmall blocks can be removed and replaced with the new ceramic small blocks in order to be used for multiple times and improve the use efficiency of the ceramic plate, and even in an emergency situation, the ceramic plate can be repaired. The invention further provides a composite ceramic.

The invention discloses a method for planting aloe in a greenhouse. The method comprises the following steps: 1) preparing soil; 2) transplanting; 3) watering; 4) applying fertilizer; 5) preventing diseases. The method for planting aloe is advantaged by being natural pollution-free, conforming to growth rhythm and living habit of aloe, taking care of aloe in the whole process, and cultivating aloe in a phased manner. A special fertilizer is used, so as to effectively promote the plants to absorb major elements, and absorption of microelements reaches more than 90%. The method can improve soil, decompose phosphorus and nitrogen, and improve regeneration capacity of soil, enhance photosynthesis, promote root growth, and effectively improve reutilization of fertilizer. The method effectively reduces residue of pesticide on plants, and adjusts planting structure. The popularization of the method for planting aloe has wide market prospect.

The invention relates to the technical field of chemical smelting equipment, and discloses a chemical smelting waste heat recycling device convenient for energy conservation and environment protection. The chemical smelting waste heat recycling device convenient for energy conservation and environment protection comprises a platform, wherein a smelting furnace, a fixed table and a water tank are fixedly mounted at the top end of the platform from left to right in sequence; a smelting cavity is arranged inside the smelting furnace; a partition positioned at the top end of the smelting cavity sleeves the side surface of the smelting furnace in a sealing mode; a smoke exhaust tube is fixedly mounted at the top end of the smelting furnace; and the bottom end of the smoke exhaust tube is movably sleeved by a sealing plug. According to the chemical smelting waste heat recycling device convenient for energy conservation and environment protection disclosed by the invention, hot gas generated by smelting of a gas inlet tube arranged on the side surface of the smelting furnace is guided into a gas inlet cavity inside the recycling cavity, and is guided into the recycling cavity through a gas guide hole to perform heat recycling; by virtue of hot water tubes, cold water tubes and gas outlet tubes, which are arranged at the two sides of the recycling tubes, waste gas is discharged; and meanwhile, waste gas can be purified, so that secondary utilization of available resources is improved, and the energy conservation and environment protection effect is achieved.

The invention discloses a backwash filtering device of rolled oil of a stainless steel rolling mill. The backwash filtering device of rolled oil of a stainless steel rolling mill comprises a filtering cylinder body; the filtering cylinder body is provided with a filtering cylinder cap which is provided with a gas opening and is connected with a steel pipe; the filtering cylinder body is internally provided with four filtering plate which are divided into four layers, each layer of the filtering plate is provided with 832 backwash filtering element; the filtering plates are arc; the upper part of the filtering cylinder body is provided with an overflow opening and a filtering plate backwash oil opening; the lower part of the filtering cylinder body is provided with a sump oil inlet, a self-circulation oil opening and a liquid level sensor. The backwash filtering device of rolled oil of the stainless steel rolling mill, which is provided by the invention, is high in filtering precision, is good in efficiency, can improve the secondary utilization of rolled oil, comprises more filtering elements, and can backwash a great amount of rolled oil once; moreover, the filtering plates are arc, and impurities on the surface of the filtering plates can flow down along the filtering plates.

The invention provides an array type blade wind driven generator. The array type blade wind driven generator comprises a fan blade set, a bracket plate, a motor bracket, a motor hub and a motor, and is characterized in that the fan blade set is supported through the bracket plate; the bracket plate is connected with the motor bracket; the motor bracket is arranged on the motor hub; and the motor hub is arranged on the motor. In the array type blade wind driven generator, the fan blade set consists of multiple small blades formed by arrays, and the array arrangement forces air currents to perform turning movement, so that the secondary utilization of wind energy is improved, and the total machine weight is reduced; a small blade windward (wind receiving) rough surface structural design is added, so that the friction force of the air currents is reinforced, and the operation driving force of the wind driven generator is improved; and the small blades of the array type blade wind driven generator can be adjusted according to different powers and different use environments of the wind driven generator.

The invention discloses a mixed play system for multiple audio files and a control method for the mixed play system. The mixed play system comprises an audio processor, an SDRAM (Synchronous Dynamic Random Access Memory) memory, an NAND (Not And) Flash memory, an analyzer and a programming system, wherein the programming system is used for receiving an external instruction to obtain a time sequence file name; the system program is used for finding a corresponding time sequence file in the NAND Flash memory and finding positions of all audio file data required to be played in the NAND Flash memory according to basic data information of the time sequence file; the position of the audio data in a time slice of the audio file in each command line by the system program; and finally, the data are decoded and played by the audio processor, thereby realizing that certain audio file is played in certain tile slice, starting playing any audio file from any time point and ending at any time point and managing the whole play process through a specified time sequence file.

The invention discloses a preparation method of a polyurethane thermoplastic elastomer modified by amino POSS. The method comprises the steps that under protection of nitrogen, polytetrahydrofuran isdissolved in acetone, after uniform stirring, a catalyst dibutyltin dilaurate is added, and the mixture is heated to be slightly boiled; isophorone diisocyanate is slowly added, a backflow reaction isconducted for 3-5 hours, the amino POSS is added, and after a reaction continues to be conducted for 1-2 hours, heating is stopped; an obtained emulsion is subjected to standing at the normal temperature until no bubbles exist, the emulsion is slowly poured into a polytetrafluoroethylene mold, and after one day of standing at the normal temperature, the polyurethane thermoplastic elastomer modified by the amino POSS is obtained. By means of the preparation method, the mechanical performance and surface hydrophobicity of modified polyurethane can be improved, and the application range of a polyurethane material is further enlarged.

The invention relates to the technical field of walnut processing, and discloses a spiral feeding cutting and scraping type walnut dry-method green husk removing machine which comprises a rack, a screening mechanism, a cutting and peeling mechanism and a cleaning mechanism, and the screening mechanism, the cutting and peeling mechanism and the cleaning mechanism are installed on the rack; the rack comprises a base, a transmission shaft is arranged on the base, and a transmission shaft drives the cutting and peeling mechanism and the cleaning mechanism to rotate; a feeding hopper used for feeding and a discharging hopper used for discharging are further arranged on the rack; the screening mechanism is used for carrying out size grading on the green walnuts fed by the feeding hopper; the cutting and peeling mechanism is used for performing spiral feeding cutting and scraping type peeling on the graded green walnuts; and the cleaning mechanism is used for cleaning the peeled walnuts to remove residual green husks and discharging the clean walnuts out of the discharging hopper. The green walnut husk removing machine can be used for multiple sizes and multiple varieties, the universality is improved, the whole structure is simple, the function is reliable and easy to achieve, the production efficiency is improved, and the breakage rate is also reduced.

The invention discloses a preparation method of a zero-valent Pd / Cu modified moso bamboo biomorphic composite material and an application thereof. The method comprises the following steps: washing the moso bamboos cut into strips with deionized water, drying the moso bamboos, calcining the moso bamboos in a tubular furnace in a nitrogen atmosphere at 600 DEG C for 4 hours, and cooling, grinding and sieving the moso bamboos to obtain moso bamboo carbon; weighing PdCl2 and CuCl2 with different mass ratios, adding the PdCl2 and the CuCl2 into a 100mL glass bottle with a plug, dissolving the PdCl2 and the CuCl2 with 50mL of deionized water, weighing 0.5600 g of moso bamboo carbon, adding the moso bamboo carbon into the glass bottle, plugging a sealing plug, introducing nitrogen for 20 minutes, and then carrying out ultrasonic treatment for 1 hour; and weighing excessive NaBH4, dissolving the NaBH4 in 20mL of deionized water, dropwise adding the NaBH4 by using a dropper, oscillating the NaBH4 at the rotating speed of 130rpm for 30 minutes, repeatedly cleaning the NaBH4 by using absolute ethyl alcohol and deionized water, carrying out suction filtration, and drying the NaBH4 in a drying oven at the temperature of 40 DEG C to obtain the zero-valent Pd / Cu modified moso bamboo biomorphic composite material. The preparation process is simple, the cost is low, a good removal effect on nitrate in water is achieved, the material after the electrocatalytic reduction reaction can be recycled through suction filtration, and the utilization effect is high.

The invention relates to the technical field of cosmetics, in particular to a plant extract composition having efficacy of removing acnes and a preparation method of the plant extract composition. Byusing the total mass of the plant extract composition having the efficacy of removing acnes as a reference, the plant extract composition having the efficacy of removing acnes comprises the followingcomponents in percentage by mass of 1-98% of pomegranate rinds, 1-98% of cortex magnoliae officinalis bark and 1-98% of mangosteen peel. The plant extract composition has the effects of efficiently controlling oil, and efficiently resisting inflammation, is small in skin irritability, low in cost, simple in technology, controllable and stable in product quality, light in color, light in smell, free from obvious formula contraindication, broad in practicability, natural and safe, and can practically meet requirements of consumers for products capable of really restraining and removing acnes.

The invention discloses a sewage treatment system with photovoltaic power and commercial power collaborated power supply. The sewage treatment system includes a distributed photovoltaic array, an intelligent control system, a photovoltaic energy storage system, a low-voltage power distribution system, a sewage treatment system and a photovoltaic flushing device. The intelligent control system controls transmission of the photovoltaic power generated by the distributed photovoltaic array to the low-voltage power distribution system and storage to the photovoltaic energy storage system, and commercial power is incorporated into the low-voltage power distribution system simultaneously, the intelligent control system controls the low-voltage power distribution system's supply of photovoltaic power and / or commercial power to electric equipment of the sewage treatment system, and the intelligent control system controls the photovoltaic flushing device in terms of extracting water from a clear water tank of the sewage treatment system to flush photovoltaic components. The invention also discloses a power supply method. The sewage treatment system and the method provided by the invention maximumly utilize photovoltaic power to supply power, employ the treated sewage for secondary utilization, and ensure the efficiency of photovoltaic power generation. The whole system is controlled by the intelligent control system, and has the advantages of simple operation and efficient operation.

The invention provides a ceiling-mounted gypsum board which comprises a keel and a gypsum board body mounted on the keel, wherein the keel comprises a keel main body; the top of the keel main body extends towards two sides to form an upper stop piece; a lower stop piece extending towards two sides is arranged at the bottom of the keel main body, and is provided with an inclined upper surface; fixing grooves are formed in positions, positioned at the lower part of the lower stop piece, on the two side surfaces of the keel main body; the upper parts, positioned in the fixing grooves, on the two side surfaces of the keel main body extend towards two sides to form arc-shaped elastic blocks; fixing strips are formed in the fixing grooves; the gypsum board body is inserted between the upper stop piece of the keel main body and the upper surfaces of the fixing strips. A plurality of the ceiling-mounted gypsum boards are spliced together to form a whole large-area ceiling, and the ceiling-mounted gypsum board has the advantages of firmness in mounting, crack prevention, reusability and the like.

The invention discloses a safety detection and evaluation method for secondary utilization of an electric vehicle battery which comprises the steps of firstly establishing a lithium battery formationsafety voltage curve, then extracting related parameters from the lithium battery formation safety voltage curve to serve as reference characteristics, and performing model training and optimization on each parameter of the reference characteristics to obtain an SVM diagnosis model; when a diagnosed battery is detected, detecting a diagnosed voltage curve of the old battery, extracting related parameters from the diagnosed voltage curve to serve as comparison characteristics, and calculating and matching the comparison characteristics and an SVM diagnosis model to obtain a diagnosis result. Whether the old battery can be secondarily applied or not can be detected, secondary utilization of the waste battery can be greatly improved in practice, the method is quite environmentally friendly, and waste is avoided.

The invention relates to a green belt for ecological garden landscape design, which comprises a belt groove built between a residential area and a road and located under the ground, a damping mechanism arranged in the belt groove and a green belt body, the belt groove is of an upper opening structure, and the belt groove comprises a base and two vertically-arranged separation walls. The two separating walls are arranged on the two sides of the base in the width direction respectively, the damping mechanism comprises a damping component and a filtering component, the damping component is arranged at the groove bottom of the belt groove and comprises at least two vertically-arranged partition plates, the length direction of the partition plates extends in the groove length direction of the belt groove, and the filtering component is arranged in the groove length direction of the belt groove. The at least two partition plates are arranged in the groove width direction of the belt groove at intervals and form a distance with the partition wall, and the filtering component is arranged between the damping component and the green belt body. The green belt has the effect of solving the problem that the living quality of the residential area is reduced due to the fact that the green belt is single in function and cannot relatively reduce the influence on the residential area when an automobile runs.

The invention provides a solar cell and a preparation method thereof, and the solar cell comprises a substrate, and a first passivation layer, an emission layer and a first conductive layer which are sequentially stacked on the surface of one side of the substrate, wherein the first conductive layer comprises a first transparent conductive oxide layer, a first conductive metal layer and a second transparent conductive oxide layer which are stacked in sequence; according to the solar cell, the first transparent conductive oxide layer, the first conductive metal layer and the second transparent conductive oxide layer which are stacked in sequence are adopted in the first conductive layer, the sandwich structure can effectively reflect sunlight penetrating through the substrate to reach the back transparent electrode, and secondary utilization of light by the heterojunction solar cell is increased; the short-circuit current of the heterojunction cell is further improved; meanwhile, due to the fact that the metal layer is added into the sandwich structure, the conductivity of the sandwich structure is better than that of a traditional transparent conductive oxide thin film, filling factors of the heterojunction solar cell can be effectively improved, and then the photoelectric conversion efficiency of the heterojunction solar cell is improved.

The invention provides a synergistic method for anaerobic digestion of municipal sludge, and an application thereof, and relates to the technical field of sludge treatment. Food wastes and municipal sludge are mixed according to an absolute dry weight ratio of 1:8 to 1:2, and the obtained mixture undergoes anaerobic digestion at 30-40 DEG C, wherein the water content of the mixture of the municipal sludge and the food wastes is 88-92 wt%. The synergistic method effectively improves the organic matter degradation rate of municipal sludge anaerobic digestion, and has the advantages of simple process, low energy consumption, and improvement of the biogas yield.

The invention provides a magnetic pushing and guiding unloading type elevator, and relates to the technical field of elevators. The magnetic pushing and guiding unloading type elevator comprises a guide rail, an elevator car moving along the guide rail, a traction steel wire rope connected with the elevator car, an elevator main machine used for dragging the traction steel wire rope, a control cabinet controlling the elevator main machine, an energy storage device connected with the control cabinet, a counter weight block connected with the other end of the traction steel wire rope, and a loadbearing stand column. The guide rail and the load bearing stand column are arranged in a shaft, magnetic stress blocks are arranged above and below the counter weight block correspondingly, and a magnetic pushing and guiding device used for pushing the counter weight block to move is arranged on the load bearing stand column, is connected with the energy storage device and comprises a steering gear II arranged on the load bearing stand column, and an electromagnetic converter connected with the steering gear II and used for converting electric energy into magnetic energy. The magnetic pushingand guiding unloading type elevator has the function that braking energy is utilized for assisting elevator starting, the starting energy consumption of the elevator is reduced, energy saving and environment friendliness are achieved, and high efficiency and practicability are achieved.

The invention relates to a garbage treatment method which comprises the following steps: adding garbage to a garbage stacking point; transferring the garbage to a garbage concentrator station; identifying the size of the garbage, and sending a signal to a control mechanism after identifying the size of the garbage; sending the signal to a loading mechanism after the control mechanism receives thesignal, and automatically loading the garbage by the loading mechanism; and rushing the garbage by a crushing mechanism, and sorting the crushed garbage by a sorting mechanism. The garbage treatment method disclosed by the invention can greatly improve treatment efficiency of large household waste generated in daily life of residents, reduces staff needs of crushing operation and transfer operation, reduces treatment cost, and improves treatment efficiency. The garbage is sorted intensively, secondary utilization of available resources can be effectively improved, and garbage sorting treatmentis reasonably performed, so that scientificity and environment friendliness of garbage treatment are further improved.

The invention discloses a novel kitchen domestic sewage treatment device, which comprises a treatment box body. The treatment box body is provided with a sewage inlet pipe, a rectangular sewage outlet, an oil outlet pipe and a water outlet pipe; the interior of the treatment box body is provided with a inclined plate in a sleeving way, a frustum is fixed on the inclined plate, a plurality of smallholes are formed in the frustum and the inclined plate, a rectangular flat plate is fixed on the outer wall of the lower end of the inclined plate, and the rectangular flat plate is inserted in the rectangular sewage outlet and can rise and descend; a fine filter net and an active carbon filter net are sequentially arranged below the frustum; the active carbon filter net and the inner cavity at the lower side of the treatment box body form a water storage chamber; the interior of the water storage chamber is provided with an oil layer and a water layer, a floating block is floated in the oillayer and sleeves a straight rod; the upper end of the straight rod is provided with a pressure sensor; the outer end of the oil outlet pipe is provided with an solenoid valve; and the pressure sensorand the solenoid valve are connected with a control panel. The device of the invention can achieve simple and efficient treatment on domestic sewage, thereby improving the secondary utilization rateof sewage and saving water resources.

The application relates to an ecological garden landscape design green belt, which includes a belt groove built between the residential area and the road and located under the ground, a shock absorbing mechanism arranged in the belt groove and a green belt body. The upper opening structure, the belt groove includes a base and two vertically arranged partition walls, the two partition walls are respectively arranged on both sides of the base width direction, the shock absorbing mechanism includes a shock absorbing component and a filter component, the The shock-absorbing component is arranged at the bottom of the groove with the groove, and the shock-absorbing component includes at least two vertically arranged partitions, the length direction of the partition extends along the length direction of the groove with the groove, and at least two of the partitions The plates are arranged at intervals along the groove width direction of the groove and form a distance from the separation wall, and the filtering component is arranged between the shock absorbing component and the green belt body. The application has the effect of improving the problem that the green belt has only one function and cannot relatively reduce the impact on the residential area when the car is driving, resulting in a decline in the quality of life in the residential area.

The invention discloses a method for improving the corrosion resistance of a neodymium-iron-boron waste recovery magnet, which comprises the following steps: carrying out hydrogen decrepitation on sintered neodymium-iron-boron waste recovery again, and mixing copper powder with the size of 1 mu m for jet mill grinding. Due to the introduction of the copper powder, not only is the distribution of grain boundary structures changed, but also the phase composition of the grain boundary structures is changed, so that the magnetic property and the corrosion resistance of the neodymium iron boron waste recovery magnet are improved at the same time. NdFeB waste is used for recovering magnet raw materials and comes from the production process of NdFeB commercial magnets, and needed equipment is a hydrogen breaking furnace and an airflow powder grinding machine. According to the method, the advantages of a double-alloy process and a grain boundary modification technology are combined, the resource utilization rate of the neodymium iron boron is effectively increased while the magnetic performance and the corrosion resistance are guaranteed, recycling of the neodymium iron boron waste recycled magnet in the production process is promoted, and economic benefits can be better played.

The invention provides a clothes washing and drying integrated machine which comprises a shell, a clothes washing device and a clothes drying device, wherein the clothes washing device and the clothesdrying device are arranged in the shell and can run independently. The clothes drying device comprises a heat exchange element and a heat exchange element filtering device. The clothes washing devicecomprises a washing drum component communicated with the heat exchange element and the heat exchange element filtering device through communicating pipelines, and flushing water for flushing the heatexchange element filtering device and condensate of the heat exchange element are guided into the washing drum component of the clothes washing device. As the washing drum component of the clothes washing and drying integrated machine is communicated with the heat exchange element and the heat exchange element filtering device through the communicating pipelines, the condensate of the heat exchange element and the flushing water for flushing the heat exchange element filtering device can be discharged through a drainage pipeline of the washing drum component, and the clothes drying device andthe clothes washing device achieve higher integration degree.