140results about How to "Efficient reuse" patented technology

The invention discloses a pickling waste liquid recycling system and recycling method, and relates to the technical field of industrial wastewater treatment, the pickling waste liquid recycling system comprises: a treatment unit for respectively detecting the concentration of each heavy metal ion in pickling waste liquid, respectively adding corresponding chelating resin into the pickling waste liquid according to each heavy metal ion concentration, and collecting to obtain recycled acid liquid; the monitoring unit is used for collecting the pH value and the conductivity data of the recycled acid liquor in real time, inputting the pH value, the conductivity data and the heavy metal ion concentration data as monitoring data into the control unit, and establishing a monitoring database; and the control unit is used for calculating optimal control parameters in real time based on the monitoring data in the monitoring database, automatically adjusting the processing unit according to the optimal control parameters, and conveying the recycled acid liquor to the pickling process for recycling. Through multi-parameter cooperative monitoring and intelligent self-adaptive control, precise detection, dynamic optimization treatment and efficient recycling of the heavy metal ions in the pickling waste liquid are realized.

The utility model relates to a printed circuit board (PCB) inner layer printing ink coating device, which belongs to the technical field of printing ink coating, and comprises a material collecting box, a material guide hopper, two supports and a coating roller, one side of the material collecting box far away from the ground is fixedly connected with one side of the material guide hopper, the two supports are respectively and fixedly arranged on one side of the material collecting box far away from the ground through bolts, and the coating roller is fixedly arranged on the other side of the material collecting box far away from the ground. The two brackets are distributed in a mirror symmetry manner, and the outer side of the coating roller is mounted on one side of each bracket; and two sets of ink scraping and recycling mechanisms in mirror symmetry are mounted on the side, away from the ground, of the material collecting box. According to the PCB inner layer ink coating device, the function of automatically recycling ink can be provided, the ink on the coating roller can be effectively recycled and reused, waste of the ink is avoided, the production cost is reduced, meanwhile, the ink on the coating roller can be removed in time, drying and curing of the ink are avoided, and the production efficiency is improved. Therefore, the printing ink recovery effect of the existing PCB inner layer printing ink coating device is effectively improved.

The invention relates to an electrolytic fluorine-making nickel-containing waste electrolyte treatment method which comprises the following steps: heating a fluorine-making electrolytic cell to 80-95 DEG C, completely melting the electrolyte, standing for layering, and taking out the colorless electrolyte on the upper layer; excessive fluorine gas is introduced into the electrolytic cell, and ferrous ions in the remaining electrolyte are converted into iron ions; electrolyte in the electrolytic bath is guided into an anti-corrosion container, deionized water is added into the anti-corrosion container, and the electrolyte is completely dissolved; adjusting the pH value of the solution in the container to 3-4, fully precipitating, and carrying out solid-liquid separation to obtain a solid A and a filtrate A; adjusting the pH value of the filtrate A to 9-11, fully precipitating, and carrying out solid-liquid separation to obtain a solid B and a filtrate B; and adjusting the ion molar ratio of F <-> to K < + > in the filtrate B to be 2: 1, then carrying out evaporative crystallization, and drying obtained crystals to obtain products of potassium hydrogen difluoride and potassium fluoride. The waste electrolyte can be effectively treated, and resources are efficiently recycled and reutilized.

The invention discloses a cordierite material prepared from magnesium waste porcelain and a preparation method of the cordierite material, the cordierite material is prepared from the following raw materials: magnesium waste porcelain, talc, a clay raw material and a high-aluminum raw material, and the weight percentage of the magnesium waste porcelain is 20-40%. According to the invention, the magnesium ceramic waste is fully utilized as a cordierite synthesis precursor to prepare the high-performance heat-resistant ceramic, so that the efficient reutilization of resources is realized, the dependence on scarce resources is greatly reduced, and the cost of raw materials is effectively reduced. Meanwhile, due to the low sintering temperature, energy consumption is remarkably reduced, carbon emission is greatly reduced, and the current green and environment-friendly development concept is perfectly met. Through a unique formula and process design, the ceramic body with excellent thermal shock resistance is successfully prepared at a relatively low firing temperature. According to the technical innovation, the performance of the ceramic is remarkably improved, and a brand new thought and a brand new method are brought to the field of manufacturing of the heat-resistant ceramic.

The invention discloses a cleaning agent recycling system, and relates to the technical field of detergent recovery, the cleaning agent recycling system is characterized in that the inner side wall of a filtering tank body is fixedly connected with a ceramic filtering plate, the high-performance ceramic filtering plate is uniformly provided with ultra-micropores, the aperture of the ultra-micropores is less than or equal to 1nm, the top of the ceramic filtering plate is provided with a slope, and the top of the slope is provided with a water inlet. The outer side wall of the filtering tank body is fixedly communicated with a feeding pipe, the feeding pipe is positioned above the ceramic filtering plate, and the bottom of the filtering tank body is fixedly communicated with a return pipe; through cooperative use of the filtering tank body, the ceramic filtering plate, the slope and the feeding pipe, cleaning agent molecules can be accurately screened out conveniently according to the characteristics that the diameter of the cleaning agent molecules is smaller than 1 nm, and the diameter of oil dirt impurities, bacteria and the like cleaned by a cutter is larger than 1 nm, and meanwhile the oil dirt impurities, bacteria and the like are effectively blocked. Therefore, the cleaning agent and the oil dirt impurities can be fully separated, the filtering effect is improved, and the recycling rate of the cleaning agent is increased.

The optical element polishing device comprises a polishing box, an L-shaped support and a motor are installed in the polishing box, a polishing table is installed on the side portion of the L-shaped support, a suction cup is rotatably installed in the polishing table, a suction cup rotating shaft is in butt joint with a motor shaft, and the top of the suction cup is used for installing an optical element. And a lifting electric polishing head is movably mounted at the upper end of the L-shaped bracket. The driving assembly is designed, through intelligent control of a temperature sensor and a U-shaped electromagnetic block, the function that the polishing head automatically and gradually moves towards the center of the optical element along with lowering of the liquid level of cooling liquid is achieved, therefore, the all-directional and uniform polishing effect is ensured, the polishing precision and consistency are improved through the design, and compared with electric driving, the polishing efficiency is greatly improved. Manual intervention is reduced, the structure principle is simple, and the machining efficiency is improved.

The invention relates to the technical field of sludge treatment, in particular to a low-calorific-value incineration sludge circulating fluidized bed boiler system which comprises a sludge component monitoring module, a fuel proportion adjusting module, a drying and gasifying module, a staged combustion module, a heat energy recycling and power generating module, an ash sorting module and a flue gas purifying module. Wherein the sludge component monitoring module is used for collecting organic matter content, water content and calorific value data of sludge; the fuel ratio adjusting module is used for automatically adjusting the ratio of the sludge to the auxiliary fuel; and the drying and gasifying module is used for receiving the fuel mixture and drying the fuel mixture by utilizing waste heat of the incinerator, and meanwhile, part of organic matters are converted into combustible gas through gasifying treatment. According to the invention, through intelligent fuel adjustment, waste heat recovery and multi-stage flue gas purification technologies, high-efficiency combustion, energy reutilization and up-to-standard emission of the low-calorific-value sludge are realized, and the environmental protection property and economical efficiency of sludge treatment are remarkably improved.

The invention discloses combined cumquat and a preparation method and application thereof, and belongs to the technical field of combined cumquat preparation. The preparation method comprises the following steps: adding di-tert-butyl peroxide into isopropyl benzene at the temperature of more than or equal to 130 DEG C and less than 140 DEG C for reaction; the molar ratio of the cumene to the di-tert-butyl peroxide is (2: 0.6)-(2: 1.4), the adding speed of the di-tert-butyl peroxide is 1s / drop to 2s / drop, the reaction temperature does not exceed 150 DEG C, and the reaction time is not less than 4 hours. The method is simple to operate, relatively low in cost, relatively short in reaction time, free of wastewater generation and environment-friendly, only one initiator is needed, and combined cumyl chloride with relatively high purity can be obtained through the method. The obtained combined catalyst can be used for flame-retardant synergism, high-molecular modification or initiation of high-temperature polymer reaction and the like.

The invention provides cat litter based on lithium smelting slag and a preparation method and application of the cat litter, and belongs to the technical field of pet supplies, the cat litter based on the lithium smelting slag is obtained by modifying the lithium smelting slag at high temperature, mixing the modified lithium smelting slag with a binder, a preservative and an auxiliary agent, granulating, foaming, drying and screening. The cat litter based on the lithium smelting slag is short in collapsing time, urine and the like can rapidly permeate into the bottom layer of the cat litter, and the cat litter has good water absorption and deodorization performance; the preparation method provided by the invention not only solves the problem of treatment of the lithium smelting waste residue and reduces the risk of environmental pollution, but also provides a new raw material source for production of the cat litter and reduces the production cost.

The invention discloses a low-silicon silicon slag intelligent screening process, which belongs to the technical field of silicon slag screening, and comprises the following steps: step 1, carrying out preliminary crushing treatment on silicon slag; 2, the crushed silicon slag is transferred into a screening machine to be screened into large-particle-grade silicon slag, medium-particle-grade silicon slag and small-particle-grade silicon slag; 3, transferring the small-size silicon slag into a tailing surge bin for storage, and transferring the large-size silicon slag into the step 1 for crushing treatment again; and fourthly, the medium-grade silicon slag is transferred into a first-grade sorting machine to be subjected to sorting treatment to obtain first-grade low-silicon alloy and tailings, the tailings are transferred into a tailings buffering bin to be stored, and the first-grade low-silicon alloy is transferred into a second-grade sorting machine to be subjected to sorting treatment to obtain second-grade low-silicon alloy and third-grade low-silicon alloy. According to the process provided by the invention, the low-silicon alloy in the silicon slag and the silicon slag can be quickly and efficiently separated and recycled, the recovery of low-silicon alloy resources in the silicon slag is realized, the enterprise benefit is improved, and meanwhile, the resource waste is reduced.

The invention discloses a method for culturing seawater rotifers by using prawn shell leavening, which comprises the following steps: S1, cleaning prawn shells to obtain a fermentation substrate; s2, dynamically optimizing fermentation conditions by adopting a multi-agent collaborative reinforcement learning algorithm; s3, predicting the optimal completion time of fermentation by adopting a mixed graph convolutional neural network and an adaptive genetic algorithm, and providing dilution suggestions through a spectral analysis technology; s4, dynamically calculating the dilution ratio, and mixing the fermentation liquor with seawater; s5, pouring the diluent into a rotifer culture pond, predicting the health state of the rotifer by adopting a Vision Transform model, and automatically adjusting a nutrition formula or environmental conditions; s6, monitoring the density of the rotifers in real time through a YOLOv5 target detection model and a camera, and keeping the rotifers within a preset density range; and S7, performing intelligent management on waste treatment based on a multi-objective evolutionary algorithm of non-dominated sorting. According to the method, a multi-agent collaborative algorithm and a deep learning technology are adopted, and intelligent culture of seawater rotifers and optimized treatment of wastes are realized.

The invention provides a method for improving the selectivity of a product 3-methoxy-3-methyl-1-butanol (MMB). According to the method, the content of the isopentene methyl ether in the raw material isoprenol is controlled to be 0.005-0.25 wt%, so that the selectivity of the MMB can be effectively improved, the generation of key byproducts of isoprenol methyl ether and isoprenol methyl ether is reduced, and the purity of the MMB is improved.

The invention discloses a waste crystalline silicon photovoltaic module recovery method based on pyrolysis and dense medium separation, which effectively removes organic matters such as ethylene-vinyl acetate (EVA), backboards and the like in a photovoltaic module through pyrolysis, and utilizes the density difference of silicon wafers, glass and solder strips in the pyrolyzed waste photovoltaic module to accurately blend different dense media to recover the photovoltaic module. The suspension liquid with different density gradients is formed, and efficient separation of the silicon wafer, the glass and the welding strip is achieved. And heavy medium residues on the surface of the material are further removed through a wet sieve, and finally the pure recycled material is obtained. According to the method, the recovery efficiency of the silicon wafers, the glass and the welding strips is ensured to exceed 99%, and the utilization efficiency and the resource recovery level of valuable materials are remarkably improved. According to the technical scheme, the technological process is simple and efficient in design, the recovery treatment cost is greatly reduced, and environment friendliness is achieved.

The invention relates to the field of platen lamination, and discloses an integrated kitchen platen plate laminating device and a laminating method.The integrated kitchen platen plate laminating device comprises a machine body, assembling plates are installed on the two sides of the top of the inner wall of the machine body, connecting plates are installed on the front sides of the inner walls of the assembling plates, and motors are installed on the outer walls of the connecting plates; a motor is installed at the upper end of the conveying belt, a lead screw is installed at the output end of the motor through a rotating shaft, a lifting block is installed on the outer wall of the lead screw, and a connecting column is installed on the outer wall of the lifting block. And the glue is pushed to one side of the conveying belt through left-right sliding of the glue moving block, the glue can smoothly fall from the vertical side after being stacked and continues to be pushed through the triangular design of the glue moving block, and therefore effective collection and recycling of the glue are achieved, and the problem that waste is caused due to the fact that the glue possibly overflows from the outer wall of a plate during lamination is solved.

The invention relates to the technical field of waste sodium-ion battery recovery, and discloses a water-based solution-based waste sodium-ion battery hard carbon material recovery and regeneration method and application of the water-based solution-based waste sodium-ion battery hard carbon material recovery and regeneration method. Comprising the following steps: disassembling and separating the waste sodium-ion battery to obtain a hard carbon negative pole piece; stripping the hard carbon active material from the surface of the current collector, and collecting hard carbon negative electrode powder in the waste battery; removing side reaction products on the surface of the hard carbon negative electrode powder by adopting a water-based solution treatment method, and carrying out solid-liquid separation, washing and drying to obtain a primary regenerated hard carbon material; according to the specific failure mechanism and failure degree of the hard carbon material in the battery, the primary regenerated hard carbon is further subjected to annealing treatment, and the high-performance value-added recycled hard carbon material is obtained. The method adopts a water-based solution recovery technology, and has the advantages of safety, environmental protection and low cost; and meanwhile, the recovery process is simple, convenient and feasible, and has higher economic benefits. The performance of the regenerated hard carbon material is remarkably recovered, and the regenerated hard carbon material can be reused for manufacturing the sodium-ion battery.

The invention discloses a method for preparing functional artificial aggregate from lake and reservoir deposits, and belongs to the technical field of preparation of artificial aggregate. The functional artificial aggregate with excellent mechanical properties is prepared by taking the reservoir deposits, the mineral powder and the fly ash as main raw materials, adjusting the ratio of the reservoir deposits to the mineral powder to the fly ash, combining layered sodium disilicate, nano CaO and silicon powder as an alkali activator and an additive, and doping fibers and phase change microcapsules at the same time. The problems that in the prior art, reservoir deposits are difficult to recycle and low in utilization rate, and a traditional alkali excitation system cannot control the early strength are solved.

The invention provides a full-spectrum solar frequency-division photovoltaic photo-thermal hydrogen-electricity co-production system and method, and belongs to the technical field of new energy. The system comprises a sunlight distribution module, a photo-thermal chemical module, a photovoltaic power generation module, a light condensation and heat collection module and a separation module. And the photo-thermal chemical module, the photovoltaic power generation module and the light condensation and heat collection module are respectively arranged on distributed ultraviolet, visible and infrared light paths. And the separation module is connected with the photo-thermal chemical and photovoltaic power generation module. The photo-thermal chemical module comprises a rotatable spatially separated photo-thermal reaction tube formed by splicing an upper part and a lower part, and the inner wall of the photo-thermal chemical module is coated with an oxygen carrier. The photovoltaic power generation module comprises a photovoltaic panel and an anion exchange membrane alkaline electrolytic cell connected with the photovoltaic panel. And the light condensation and heat collection module is connected with the photovoltaic panel and the photo-thermal reaction tube. According to the system, sunlight of different wave bands is accurately distributed to a photothermal chemical unit, a photovoltaic power generation unit, a light condensation and heat collection unit and the like through the spectrum frequency division technology, multi-energy cooperative conversion is achieved at the low temperature (smaller than or equal to 150 DEG C) and under the normal pressure, and the solar energy utilization efficiency can be improved to the maximum extent.

The invention discloses a photovoltaic fluorine-containing wastewater recycling treatment process, and particularly relates to the field of wastewater treatment.The photovoltaic fluorine-containing wastewater recycling treatment process comprises the following steps that the pH value of fluorine-containing wastewater is adjusted in a multi-stage adjusting mode, activated carbon or kieselguhr serves as a filtering medium, and particle impurities and suspended solids are removed; the solid content in the wastewater is reduced to a set threshold value. Through multi-stage pH value adjustment, optimized filtration, electrolytic treatment and ion exchange resin defluorination processes, and in combination with real-time monitoring of a sensor and judgment of a decision tree model, high efficiency and automation of wastewater treatment are realized; according to the invention, fluorine ions, heavy metals and organic matters are fully removed in each stage, and dynamic adjustment of the proportion of the filtering medium is ensured, so that the whole process is stable and efficient, and the recycling standard is reached.

The invention discloses a soil replacement medium and a preparation method and application thereof, and belongs to the technical field of municipal engineering, the soil replacement medium provided by the invention comprises an upper planting layer, a middle replacement medium layer, a lower replacement medium layer and a bottom gravel layer from top to bottom; wherein the upper planting layer comprises vermiculite and soil; the middle replacement medium layer comprises sawdust and iron ore from top to bottom; the lower replacement medium layer is river sand; the upper planting layer guarantees the growth environment of plants; the sawdust in the middle-layer filling medium is used for providing a carbon source, the iron ore and phosphate are subjected to complex reaction and generate chemical bonds, the lower-layer filling medium is used for improving the infiltration capacity, and the bottom gravel layer is used for regulating and storing and avoiding blockage, so that pollutant interception and rainwater infiltration are realized. According to the invention, vermiculite is matched with other modifying agents for use, so that the interception effect on pollutants is effectively improved.

The invention relates to the technical field of wastewater treatment, and particularly discloses a resourceful treatment method for waste brine generated in trichloroisocyanuric acid production. According to the invention, the waste brine from trichloroisocyanuric acid production is subjected to twice sedimentation treatment and wet catalytic oxidation treatment to obtain the sodium chloride brine meeting the feeding standard of an electrolytic bath in the chlor-alkali industry. Wherein in the wet catalytic oxidation, an Re-MnO2 / vermiculite composite material is used as a catalyst, and Re is any one of Y, La or Ce. According to the technical scheme, the problems that in the prior art, the treatment process for the waste brine produced in trichloroisocyanuric acid production is poor in effect, the treated sodium chloride has many impurities and is difficult to recycle, and treatment equipment can be damaged are effectively solved.

The invention provides a preparation method and application of a fly ash-based soft soil curing agent, and aims to improve the activity and strength of the curing agent by using fly ash, lime, gypsum, silica fume and the like as main raw materials and adding a reinforcing agent such as metakaolin and nano-silica and an exciting agent such as sodium hydroxide and sodium carbonate. The method comprises the following steps: pretreating the raw materials, mixing according to a ratio, carrying out hydration reaction at a proper water-cement ratio, compacting and molding, and curing under the control of temperature and humidity. And crushing and sieving the cured curing agent to obtain a finished product. The curing agent shows excellent compressive strength, shear strength and water resistance, and is suitable for reinforcement of high-water-content soft soil. According to the invention, the material cost is reduced, the environmental influence is reduced, and the application prospect is wide.

The utility model discloses an air compressor waste heat recovery device, including crankcase, the crankcase front end is provided with the drive motor, the upper end of crankcase is connected with the compression box, the upper end right side communication of compression box has the air inlet pipe, the upper end of air inlet pipe is connected with the air filter cartridge, the upper end left side communication of compression box has the air outlet pipe, the outside of compression box is connected with a plurality of water cooling fin, a plurality of water cooling fin outside sleeve joint has the air cooling cover, a plurality of water cooling fin left and right two ends all communicate with the distribution pipe, the utility model discloses through the synergies of water cooling fin and air cooling cover, carries out water cooling and air cooling heat exchange in compression box outside simultaneously, utilizes the high heat capacity characteristic of water cooling system to absorb most compression heat again through the air cooling system intensification heat dissipation efficiency, realizes the double recovery of waste heat, and the waste heat recovery efficiency is high. Cold water is heated after entering secondary heat exchange stage through water cooling fin, and the air of air cooling system heating can be directly used for workshop heating, forms energy cascade utilization.

The invention provides a granulation waste powder separation and recovery method and a pure ceramic powder, comprising the following steps: taking an appropriate amount of granulation waste powder and pouring it into a ball mill, adding alcohol and citric acid; adding grinding balls, ball milling under vacuum conditions, placing after ball milling, using ammonium polyacrylate to fully decompose after placing, and recirculating the following ball milling steps at least five times: ball milling under vacuum conditions, placing after ball milling, using ammonium polyacrylate to fully decompose after placing, and obtaining ball-milled slurry; performing rotary evaporation solid-liquid separation on the ball-milled slurry to obtain rotary evaporation dried powder; secondary rinsing of the rotary evaporation dried powder in isopropanol, and performing rotary evaporation solid-liquid separation on the secondary rinsing powder to obtain pure ceramic powder; organic matter in the waste powder can be effectively removed to obtain pure ceramic powder, which not only reduces the amount of organic matter residue in the recovered powder and meets the standard of secondary use, but also enables the waste powder resources to be effectively recovered and reused.

The utility model discloses a recycling various waste batteries recycling equipment system, its characterized in that, including conveying device, disassembling device, shredding device, drying device, air guide device, sorting device and flotation device, conveying device includes conveyer, and the battery box and battery cover of battery are set up to split out battery cover mechanism for conveying machine, and the collection mouth of disassembling device is poured into after electrolyte collection in battery box material, and disassembling device includes disassembling machine, and the below of disassembling machine sets up brine pool, and brine pool sets up meshing conveying mechanism and conveys material to shredding device, and shredding device includes shredder, and the below outlet of shredder sets up fire lye pool, and fire lye pool iron class heavy metal class plastic class material is conveyed to sorting device through meshing conveying mechanism, and the black powder class material of deposition is sent to dehydration equipment dehydration through pipeline screw conveying mechanism, and then, using pipeline screw conveying mechanism, the material is sent into drying device. The utility model can make all resources of waste batteries, and process safety, reliable.

The present invention relates to the technical field of slope support. The purpose of the present invention is to provide a prefabricated vertical support retaining wall based on recycled concrete and a construction method thereof, comprising a plurality of H-shaped steels and a concrete base; the H-shaped steels are arranged at intervals, and their openings are arranged oppositely, an excavation area is formed between the relative openings of two H-shaped steels, a plurality of prefabricated sandwich columns are inserted in the excavation area, the transverse cross-section of the prefabricated sandwich columns is T-shaped, and comprises a front stopper, a rear stopper and a sandwich part connected between the front stopper and the rear stopper, and a steel cage is also pre-embedded in the prefabricated sandwich column; each front stopper forms a retaining wall, and the steel cages at both ends of the excavation area are welded with lateral force-transmitting steel plates; a plurality of horizontal force-transmitting steel bars are fixed on the steel cage, a fixing groove is provided on the top of the concrete base, and steel slide plates are provided at both ends of the concrete base, the structure has strong integrity, high construction efficiency, has excellent economic benefits, and solves the problem of practical application of recycled concrete.

The utility model relates to bean sprout cultivation technical field, specifically is a bean sprout production environment room, include: shell, fixed plate is fixedly connected with the both sides inner wall of shell close to end, two chutes, two the chute is respectively set up in one side end of shell, two sliding blocks, two the sliding block is respectively slidingly connected in the chute, through the combination of water pump, water flow groove, water pipe and shower nozzle, water flow can be evenly distributed to each planting drawer, and each shower nozzle output end has multiple tiny holes, can scatter water flow into tiny water flow, ensure that moisture evenly sprays on bean sprout, promotes its healthy growth, this design avoids the problem that partial area is too wet or too dry, improves the consistency and growth quality of bean sprout, and water circulation mechanism realizes effective recovery and reuse to redundant moisture through the combination of water pump, water flow groove, water pipe and shower nozzle, this not only reduces the waste of water resources, also reduces operating cost.

The invention belongs to the technical field of co-crystallization molecular sieves, and discloses a Fe-Mn-ZSM5 / 11 barium slag based co-crystallization molecular sieve and a preparation method thereof.The preparation method comprises the steps that S1, a barium slag acidification separation solution A containing ferric ions, aluminum ions and divalent manganese ions is prepared; s2, preparing a reaction solution B by using the silicon-containing barium slag; s3, preparing a low-sodium Fe-Mn-ZSM5 / 11 barium slag based co-crystallization molecular sieve; and S4, preparing the high iron and high manganese Fe-Mn-ZSM5 / 11 barium slag based co-crystallization molecular sieve. The high-iron high-manganese Fe-Mn-ZSM5 / 11 barium slag-based co-crystallization molecular sieve is prepared by taking the barium slag as a raw material and adopting a hydrothermal method, the recovery efficiency of barium is high, no additional pollution product is generated, the pollution of the barium slag to the environment is solved, and the resource waste is also reduced.

The invention discloses automatic laying equipment for modified asphalt waterproof coiled materials, and relates to the technical field of building waterproofing, and the automatic laying equipment comprises a controller, a combustion box, a hot melting box, a mass transfer rod, a spray head, a heating spray head, an adjusting plate, an adjusting motor, a material box, a heating pipe, a waste heat pipe and a heating roller. Heat generated by combustion heats the combustion box, the hot melting box and the material box, so that an adhesive such as asphalt in the material box is melted, compressed air pushes the liquid adhesive to flow into a mass transfer rod from the hot melting box and is finally sprayed out to the bottom end of a coiled material from a spray head, and high-temperature waste gas after combustion enters a heating pipe, a heating spray head and a heating roller through a waste heat pipe. According to the device, all-directional multiple heating of the coiled material and real-time monitoring and automatic adjustment of the surface temperature of the coiled material are achieved, uniform preheating is provided for the coiled material through the heating rollers and the side pressing wheels, the bonding strength between the coiled material and a base plane is enhanced through physical extrusion, and bonding gaps are prevented from being generated at joints.

The application relates to the technical field of textile recycling, in particular to a rewoven process method based on shredded fabric recycling, which comprises the following steps: S1: classifying and screening the shredded fabric, and selecting fabric segments with a length not less than 10 cm; S2: cutting and processing the fabric segments to form cloth strips with a width of 1 cm-1.5 cm; S3: adopting a cross-knot tying method to tie and connect the cloth strips to form continuous cloth strip wires; and S4: reserving free ends with a length of 3 cm-5 cm at each connecting knot and keeping the free ends outside the woven structure to form a feather-like or tassel-like three-dimensional decoration effect. In the application, the shredded fabric is efficiently recycled, resource waste is reduced, and the green environmental protection requirement is met; the cross-knot tying is firm and not easy to loosen, the continuity and structural strength of the wire are ensured; the free ends are reserved to form a unique three-dimensional decoration, and the design performance and product added value are improved.

The utility model relates to the field of ship coating equipment, in particular to an over-spray paint mist recovery device suitable for ship coating. The device comprises a supporting frame, a recycling cover and a recycling box, the recycling cover is composed of a mounting part, a vacuum adsorption part and a first recycling pipe, the mounting part is connected with a spray gun head, and the vacuum adsorption part is provided with a vacuumizing hole and communicated with the mounting part through the first recycling pipe; and the recycling box is communicated with the first recycling pipe through a second recycling pipe, and is provided with a stirring mechanism for mixing the paint mist flocculating agent with the recycled paint mist. According to the device, by optimizing the structural design, the paint mist recycling efficiency is effectively improved, environmental pollution is reduced, and meanwhile the spraying quality is guaranteed.