61 results about "Zero waste" patented technology

The invention relates to the technical field of molten salt treatment, and discloses a molten salt recovery system based on a steel belt cooling granulator. The system comprises a molten salt physical property monitoring module, a viscosity modeling module, a cooling optimization module, a partition temperature control module, a phase change monitoring module, a dynamic adjustment module, a particle size analysis module, a quality grading module, a pneumatic conveying module and a waste heat recovery module. The progressive crystallization control of the molten salt particles is realized; a heat pipe type heat exchanger and an organic Rankine cycle system are integrated at the waste heat recovery end, so that comprehensive energy consumption is reduced; the environment regulation and control end monitors the workshop temperature and humidity in real time based on a dew point calculation model, and the long-term stability of hygroscopic fused salt particles is guaranteed. According to the method, four technical bottlenecks of out-of-control crystallization, energy waste, classification loss and environmental interference in fused salt recovery are overcome, and low-cost, high-purity and zero-waste fused salt resource recycling is realized.

The invention relates to the field of costume design and production, and particularly discloses a three-dimensional plane synergy-based chest-waist fit type costume pattern making and discharging method, which comprises the following steps of S1, cutting piece structure design: S1.1, extracting a curve contour of a yoke on a chest through three-dimensional cutting, and dividing an upper garment into a front middle cutting piece, a front side cutting piece, a rear side cutting piece and a rear middle cutting piece by adopting a plane pattern making technology, the edge of each cutting piece is designed to be trapezoidal or arc-shaped; s1.2, the transverse width of the yoke on the chest is adjusted, the front center line and the side seam are each retracted by 1 cm and totally retracted by 4 cm, and the cutting piece is made to be attached to the curve of the chest; according to the invention, through modular arrangement unit construction (such as a quasi-rectangular unit) and a wave-shaped nested arrangement method, the same-size arrangement rate is greater than or equal to 97.7%, the continuous-size arrangement rate is greater than or equal to 97.4%, and the jump-size arrangement rate is greater than or equal to 96.7%, which are obviously higher than the utilization rate of 80-85% of a traditional arrangement method; the allowance area is supplemented through the decoration processes such as pleating and I-shaped pleats, the material utilization rate of the local area is 100%, fabric waste is reduced, and the zero-waste design requirement is met.

A method for recycling catalytic metals comprising: collecting a plurality of spent catalytic metals, wherein the spent catalytic metals contain cathodes of NMC111, NMC622, NMC811, NCA, LCoO2, LiNi0.5Mn1.5O4, LiMnO4, LiNiO2, LiMn2O4, and / or LiMnO2 compositions; subjecting the plurality of spent catalytic metals to a green mixture, wherein the green mixture includes dihydrogen phosphite and water, phosphoric acid and water, sulfuric acid and water, hydrogen chloride and water, or nitric acid and water, at temperatures of between 80 and 120° C. to form a metal leachate solution; and recovering lithium (Li) from the metal leachate solution.

The invention provides a sand mold three-dimensional interconnected high-flexibility channel rapid freezing device and method.The device comprises a frozen sand mold printing system and a frozen sand mold post-processing system, and the frozen sand mold post-processing system comprises a pore positioning module, a pore sand cleaning module and a rapid freezing module; a belt conveyor is arranged between the frozen sand mold printing system and the frozen sand mold post-processing system, and a printed frozen sand mold is transferred from the frozen sand mold printing system to the frozen sand mold post-processing system through the belt conveyor. On the basis of an airflow scanning positioning and closed-loop sand cleaning system, the pore three-dimensional shape is precisely reduced, residual sand is removed, micron-sized pore control and overall frozen sand mold rapid freezing are achieved, the consumable cost is reduced, the frozen sand mold whole-process machining efficiency is effectively improved, and the product quality is improved. And a high-precision, short-period and zero-waste green casting solution is provided for the fields of aerospace, automobiles and the like.

The invention discloses a tungsten-molybdenum separation method based on tungsten coprecipitation inhibition. The tungsten-molybdenum separation method comprises the following steps: measuring the content of each ion in a tungsten-molybdenum mixed solution; converting Fe < 3 + > and Cu < 2 + > into water-soluble complexes, precipitating and separating out Si < 4 + >, and filtering to obtain a pretreated solution; adjusting the pH value of the pretreated solution to 4.5-6.0, raising the temperature to 40-55 DEG C, adding a compound complexing agent and a precipitation accelerator, then adding an ammonium sulfide solution, maintaining the pH value of the system, continuing the reaction until the end, and performing solid-liquid separation on the product to obtain filtrate and filter residues; washing and drying filter residues to obtain molybdenum sulfide; and combining the washing liquid of the filter residues and the filtrate, and obtaining a tungsten product through an ion exchange method. The invention innovatively provides a double-function technical route of selectively vulcanizing and precipitating molybdenum and complexing and stabilizing tungsten in situ, and efficient separation of tungsten and molybdenum and zero waste of tungsten resources are realized by accurately regulating and controlling a reaction environment and optimizing a reagent system.

The invention discloses a resource utilization method for preparing calcium aluminate through aluminum ash denitrification aluminum extraction-calcium roasting, and belongs to the technical field of aluminum ash resource processing. The method comprises the following steps: carrying out dry grinding on raw material aluminum ash to realize monomer dissociation to micron size, sieving, carrying out wet grinding on the obtained aluminum ash fine powder in a water-containing medium for denitrification, and sieving to recover metal aluminum and obtain aluminum-rich slag slurry; the aluminum-rich slag slurry is subjected to solid-liquid separation and soluble salt leaching treatment, and purified aluminum-rich slag is obtained; and the purified aluminum-rich slag is subjected to high-temperature calcium roasting, and the calcium aluminate system steelmaking refining slag with 12CaO. 7Al2O3 as the main crystalline phase is obtained. According to the method, physical separation, wet chemical reaction and pyrogenic calcination are combined for cooperative treatment, harmful elements such as nitrogen and fluorine can be efficiently removed, the aluminum ash of metal aluminum in the aluminum ash can be recycled, and harmless treatment, zero waste and all-component high-value utilization of the aluminum ash are achieved.

The present invention describes the construction of sustainable modular buildings from end-of-life or reused wind turbine segments, promoting the circular economy and the “zero waste” concept. It discloses a modular building that follows structural mechanics and architecture strongly influenced by the introduction of wind turbine tower and blade segments at the end of their useful lives. The hollow section part of the tower will form the rigid core and the blades will form pillars and connecting beams that join these pillars to the central core. Valuing the hollow internal space of the components, there is also the incorporation of a fire fighting and safety system using a water circuit inside the structure, at the same time that it houses networks of the different tubes and pipes of the specialties present in a building. To improve anti-seismic behaviour and vibration control, cork is used as a connecting element and constituent of the expansion joints between structural elements.

The invention relates to the technical field of tobacco flavor processing, in particular to a method for preparing hawthorn extract by combining high-voltage discharge with fermentation treatment or low-temperature plasma, which overcomes four major pain points of'thin aroma, thermosensitive vulnerability, long flow and high cost 'of the traditional hawthorn extract by one stroke. The aroma richness is remarkably improved, the extraction efficiency is remarkably improved, the resource utilization rate is remarkably improved, and the energy consumption and emission are remarkably reduced; the technology is in a normal-temperature short range, the equipment is universal and easy to amplify, the solvent is recycled and zero-waste, the residue can be used for preparing the fertilizer, the economic, environment-friendly and sensory benefits are taken into account, a reproducible, generalizable and sustainable green manufacturing normal form is provided for the cigarette and food natural perfume industry, and the method has wide industrial application prospects.

A method for recycling catalytic metals comprising: collecting a plurality of spent catalytic metals, wherein the spent catalytic metals contain cathodes of NMC111, NMC622, NMC811, NCA, LCoO2, LiNiO.5Mnl.5O4, LiMnO4, LiNiO2, LiMn2O4, and / or LiMnO2 compositions; subjecting the plurality of spent catalytic metals to a green mixture, wherein the green mixture includes dihydrogen phosphite and water, phosphoric acid and water, sulfuric acid and water, hydrogen chloride and water, or nitric acid and water, at temperatures of between 80 and 120°C to form a metal leachate solution; and recovering lithium (Li) from the metal leachate solution.

The invention discloses a hot melt adhesive film plate re-pasting production method which is characterized by comprising the following steps: S1, dedusting a base material to ensure that the surface is flat and clean; s2, the decorative fabric is cut according to the size of the plate; s3, the surface of the base material is covered with the hot melt adhesive film; wherein the coating amount and temperature of the hot melt adhesive are based on the fluidity of the hot melt adhesive during subsequent hot pressing; and S4, the base material coated with the adhesive film and the decorative fabric are stacked and then fed into a hot press, the adhesive film is molten and flows, and firm bonding of the base material and the fabric is achieved. By means of the method, the problems of gas emission, no pollution, no waste, high environmental protection and better promotion of plate gluing are effectively solved, flour is not used in the compounding process, and the problems of environmental protection and grain waste can be effectively solved. And in the production process of the artificial board, zero emission of harmful gas can be achieved, no pollution is caused, and the efficiency can be improved in reproduction.

The invention relates to the technical field of iron-containing mineral treatment, in particular to a method for comprehensively utilizing iron-containing minerals, which comprises the following steps: through the whole-process cooperative treatment of low-temperature weak reduction magnetization, magnetic separation, associated element gradient extraction and tailing gelatinization, iron, titanium and rare earth are respectively collected, and iron can be efficiently and magnetically separated and recycled under the mild condition of lower than 750 DEG C; the energy consumption and the carbon emission are greatly reduced; titanium, manganese and rare earth are clearly separated due to the fact that oxide forms are kept, the rare earth is subjected to normal-temperature leaching and environment-friendly extraction, oxalic acid precipitation closed-loop recovery, and waste liquid is recycled; the magnetic separation tailings and the titanium slag are directly prepared into a high-strength geopolymer gelling material according to the proportion of 7: 3, the tailings are completely converted into building materials or heavy metal contaminated soil remediation filler, a tailing dam is thoroughly omitted, and the risks of dam break and percolation are eradicated; and finally, the high-iron concentrate, the mixed rare earth oxide and the high-added-value gelling material are output, and a virtuous cycle with full utilization of resources, zero emission of waste and win-win economy and environment is formed.

A cooking system (A) for deep fat cooking of food, comprising at least one frying unit (10), which prevents the formation of waste oil resulting from physical and chemical reactions with frying, characterized in that; it comprises closed-circuit frying units (10) that prevent the contact of the frying oil with the atmosphere during the frying process, and a deacidification column (40) operating under vacuum that provides online oil flow to the said frying units (10), prevents the acidity of the oil from rising by ensuring that the oil is reused without the formation of free fatty acidity in the oil, and a digital software control panel (P) that enables the management of the entire system with energy saving and domestic waste / zero waste output products.

The invention provides a silicon steel coating waste liquid treatment system and process method.The silicon steel coating waste liquid treatment system comprises a pretreatment system, a first-stage treatment system, a second-stage treatment system, a deep treatment system and a discharging system, and the pretreatment system is used for pretreating and transporting waste liquid; the primary treatment system is used for removing part of pollutants in the waste liquid; the secondary treatment system is used for removing and converting part of pollutants in the waste liquid and separating water from part of pollutants in the secondary treatment system; the deep treatment system is used for separating and adsorbing residual pollutants in the waste liquid; and the discharge system is used for treating and discharging substances removed in the primary treatment system, the secondary treatment system and the deep treatment system. The method provided by the invention has the advantages of zero discharge of waste liquid, good recycled water quality, small dosage of chemical agents and small solid waste amount, reduces the hazardous waste outsourcing disposal cost of enterprises, and also reduces the operation load and operation cost of a comprehensive water treatment station system.

The invention provides a laser line marking machine, which relates to the technical field of line marking machines, and comprises a consumable supply assembly, a laser etching assembly and a cutting module, according to the invention, the production logic of the wire marking pipe is fundamentally reconstructed by designing a system architecture integrating online curling forming and laser marking of the sheet; in the economic level, low-cost sheets are directly adopted, and the production mode of nearly zero waste is adopted, so that the cost of a single product is obviously reduced; and on the production level, the equipment is changed into a universal platform from a special tool, a user does not need to reserve various consumables for different specifications, and flexible manufacturing and quick response are truly achieved.

Extensible modular foundation with one or several layers of foundation (or modules), each with an extension higher than the previous one, superimposed on an existing or newly built base footing, joined only in its central part by means of anchor bolts and extensions, working structurally as a laminar foundation, constituted by the outermost foundation layer, combined with a lower counterweight constituted by the previous layers and the base footing, with great effectiveness to support the necessary stresses in high-rise elements, being able to build successive layers of foundation on top of the already existing ones. It is a modular structure that can be extended from its conception, evolving over time, adding more layers according to future needs without penalising the initial investment, avoiding the modification of the base shoe, reducing construction time and economic cost, while generating much less waste in line with the sustainability objective of "Zero Waste".

This invention relates to a standardized, zero-waste, data-quantified, rapid switching system for sheet metal production lines. The system includes: a base mounted on the ground, comprising: a first reference surface, a machined horizontal surface on the base; a second reference surface, a machined side surface on the base, perpendicular to the first reference surface; a side generatrix, parallel or coplanar with the second reference surface; a functional moving component mounted on the first reference surface; a first detection surface, a side surface on the functional moving component that can be used for measurement, or a side surface of the sheet metal workpiece; and a work instruction signboard dimension, representing the opening distance between the first detection surface and the second reference surface. This invention, by measuring the distance between the end face of the detection protrusion and the moving side of the equipment on the production line, combined with design drawings, quickly locks the position of the production line equipment along the Y-axis, enabling rapid switching of any specification on the sheet metal production line with precise switching and no unnecessary waste.

The goal is to achieve both upcycling and zero waste simultaneously. [Solution] The system comprises: a recycled raw material quantity calculation means that calculates the quantity of recycled raw materials that can be recycled as raw materials from the quantity of waste materials generated in the production process; a planned production quantity input means that inputs the planned production quantity of products to be produced using the raw materials; a new raw material quantity output means that calculates the quantity of raw materials required based on the planned production quantity input into the planned production quantity input means and outputs the quantity of new raw materials that are newly required by subtracting the quantity of recycled raw materials calculated by the recycled raw material quantity calculation means; and a waste material quantity calculation means that calculates the quantity of waste materials generated in the production process based on the planned production quantity input into the planned production quantity input means. The system simulates the quantity of recycled raw materials and the quantity of new raw materials from the quantity of waste materials calculated by the waste material quantity calculation means, and realizes a circular economy without difficulty by changing the flow of money.

The utility model discloses a greenhouse gas treatment system, which comprises a gas trapping and storing device, a gas purifying device and a reactor which are sequentially connected in series through pipelines, and gas products produced in the reactor sequentially pass through a gas product collecting device and a gas product separating device which are connected in series to form single elementary gas. Solid products produced in the reactor sequentially pass through a solid product collecting device and a solid product detecting device which are connected in series, and then single solid elementary substance products are collected in the solid end product collecting device. The greenhouse gas treatment system provided by the embodiment of the utility model can be used for capturing, storing and treating various greenhouse gases, products are gas elementary substances and solid elementary substances, the atom utilization rate is high, the treatment process is safe and stable, the energy consumption is low, no catalyst is used, meanwhile, zero carbon emission and zero waste emission are realized in the production process, the final products are all elementary substance products, and the production cost is low. And the raw material is the greenhouse gas, so that the aim of reducing the emission of the greenhouse gas is fulfilled, the manufacturing cost is low, and the market price of related simple substance products can be greatly reduced.

The application discloses a wall plastering gypsum continuous coating forming device and a wall forming method, and belongs to the technical field of building machines. The device comprises a hollow sealed bin assembly, a centrifugal device, a leveling device, a collection and scraping device assembly and a sensing device assembly. The hollow sealed bin and the wall form a relatively sealed cavity. The centrifugal device throws the gypsum on the wall by high-speed rotation, thereby improving the bonding force and uniformity. The collection and scraping device completes scraping and light collection, and the remaining materials are recycled in the sealed bin. The sensing device realizes closed-loop regulation and control of the material level, bin pressure and plastering thickness. The forming method comprises positioning, centrifugal slurry throwing, thickness detection, scraping and light collection, internal circulation of the remaining materials and continuous integrated construction. The application solves the problems of weak adhesion, large waste of remaining materials and poor one-time forming of the prior art, has the advantages of high bonding strength, zero waste of remaining materials, high automation degree and one-time forming up to standard, and is suitable for automatic wall plastering operation of plastering machines and plastering robots.

The utility model provides a kind of embedded pure drinking machine zero waste water system with reverse water supply, it is related to pure drinking machine technical field, including water inlet and booster pump, the input end of the booster pump is connected with composite filter element, the output of the booster pump is connected with water inlet solenoid valve, the output of the water inlet solenoid valve is connected with RO membrane, the side of the RO membrane is connected with combined waste water valve.The utility model discloses when machine 30 minutes do not make water using RO membrane front section pure water directly into waste water pipe 5 seconds, the stale water in RO membrane is discharged, to reduce the TDS value of first cup water, machine in 30 minutes has water machine and does not discharge (TDS at that time is not high).Reduce the concentration of harmful substances, prevent impurities in water from re-dissolving or precipitating, improve the safety of water quality;Reduce the reproduction of microorganisms in the water purifier, reduce the risk of microbial contamination, users do not need to put down stale water before taking water, can obtain high-quality purified water at any time, and the taste of water is stable, reduce the waste of water resources.

The invention relates to an ecological environment-friendly prefabricated light roof garden unit and garden system.The garden unit comprises a planting frame, a base, an outer wrapping plate, a water filtering layer, a water retention layer, a nutrition base layer and a vegetation layer, drainage holes are formed in a drainage bottom plate of the planting frame, holes are formed in the base, part of the holes are communicated with the drainage holes, and the rest of the holes form a water storage cavity; the outer wrapping plate is correspondingly installed on the side wall of the planting net rack, a planting area is defined by the outer wrapping plate and the base, and the water filtering layer, the water retention layer, the nutrition base layer and the vegetation layer are sequentially installed in the planting area from bottom to top. Agricultural waste straw serves as a core raw material and is subjected to carbonization and waterproof treatment to be manufactured into a base and an outer wrapping plate, efficient utilization of agricultural solid waste is achieved, the weight of garden units is controlled through the lightweight characteristic of straw, the problem that a traditional roof garden is difficult to adapt to old buildings due to heavy loads is solved, straw materials can be degraded into organic fertilizer, and the environment is protected. And zero waste in the whole life cycle is realized.

This application provides a method for recovering antimony alkali residue. This process combines microwave activation with citric acid leaching technology to achieve highly efficient antimony recovery (>95%) while reducing energy consumption by 40%. Through TBP gradient extraction, a 98% recovery rate is achieved, eliminating the generation of hazardous waste. Zero waste is achieved, with tailings completely converted into qualified building materials and a wastewater reuse rate exceeding 95%. The process offers significant economic benefits, with a treatment cost of approximately 1,200 yuan per ton and an investment payback period of less than three years. The process utilizes mature industrial equipment, enabling large-scale application. A closed-loop design ensures process stability. Comprehensive safety measures are implemented, ensuring that the final product meets national environmental protection and building material standards.

This invention discloses a vacuum closed-loop recovery method for recyclable camphor pore-forming agent with an explosion-proof safety mechanism, belonging to the field of porous material preparation technology. It solves the problems of existing camphor pore-forming processes lacking closed-loop recovery and posing explosion safety hazards. This invention constructs a complete explosion-proof safety mechanism through a full-process technology of pre-inert gas replacement, vacuum gradient sublimation camphor removal, and directional condensation solid-state recovery, eliminating the risk of camphor vapor explosion at the source. Simultaneously, it achieves a camphor pore-forming agent recovery rate of ≥90%, and the recovered camphor can be directly recycled and reused, with zero waste gas emissions throughout the process. This method is adaptable to pore-forming of various suitable matrix materials, is safe, low-cost, and suitable for large-scale industrial production.

The invention discloses a comprehensive utilization process for superfine pulverization and zero waste discharge of coal gasification slag, and belongs to the field of solid waste recycling. The process comprises the following steps: treating coal gasification slag with different particle fractions; carrying out spiral chute-shaking table separation on carbon-rich components and carrying out gradient utilization on heat energy; and preparing ceramic and ceramsite or different types of building mortar. According to the process disclosed by the invention, the coal gasification slag is converted into high-purity silicon-aluminum-based powder with the SiO2 / Al2O3 molar ratio of 1.0-2.5 through superfine pulverization. The recycling rate of the whole process is larger than or equal to 97%, and zero waste discharge is achieved.

A cooking system (A) for deep fat cooking of food, comprising at least one frying unit (10), which prevents the formation of waste oil resulting from physical and chemical reactions with frying, characterized in that; it comprises closed-circuit frying units (10) that prevent the contact of the frying oil with the atmosphere during the frying process, and a deacidification column (40) operating under vacuum that provides online oil flow to the said frying units (10), prevents the acidity of the oil from rising by ensuring that the oil is reused without the formation of free fatty acidity in the oil, and a digital software control panel (P) that enables the management of the entire system with energy saving and domestic waste / zero waste output products.

The present invention relates to a zero-waste eco-friendly cosmetic product and a method for manufacturing same. The present invention provides a cosmetic product that does not contain plastic and minimizes the generation of waste and thus is eco-friendly and can be used by cutting. In addition, the method for manufacturing a cosmetic product according to the present invention has the effect of ensuring stability by minimizing pinholes and molding marks which can be formed in the cosmetic content.

The application discloses a kiln waste heat sludge drying waste gas closed loop treatment system and process, belonging to the field of solid waste drying and waste gas treatment. The system contains a double-unit drying main body, a distributed temperature monitoring unit, a cylinder driving speed regulation unit, a material conveying and oxygen supply unit, and a waste gas closed loop treatment unit. The double-unit is two independent units each with four series-connected cylinders, which are matched with eight temperature sensors for accurate temperature measurement. The cylinder rotating speed can be dynamically adjusted according to the temperature, and dynamic oxygen supply can promote the decomposition of organic matter. After multi-step treatment, the waste gas is sent into the kiln for high-temperature decomposition. The process utilizes kiln waste heat to dry sludge, and the dried sludge is sent to a brick making unit. The waste water is reused, and the waste gas is treated in a closed loop. The application solves the problems of small processing scale and inaccurate temperature control of traditional equipment, realizes stable control of sludge moisture content below 30%, zero waste gas discharge, guarantees production continuity through redundant design of double-unit, and improves waste heat utilization and harmful gas decomposition efficiency.

The invention discloses a duplexer and a preparation and improvement process thereof, and belongs to the field of filter devices, the isolation degree of a product is improved by adjusting the thickness difference of an insulating film in a Tx / Rx region of the duplexer, so that waste is turned into wealth, and the output rate is improved; meanwhile, according to the isolation requirement, duplexers meeting different frequency and power requirements can be produced, the problem of insufficient isolation does not need to be worried about, and the communication efficiency and stability are effectively guaranteed. And in the aspect of isolation, the output demand of zero waste is really realized.

The invention belongs to the technical field of prebaked anode production, and relates to a process system and method for continuously producing an electrode binder by taking unconverted slurry oil of a slurry bed as a raw material, the process system comprises a membrane filter, a modifier, an asphalt generator, a reduced pressure fractionating tower, a forming machine, a separator and a separating tower, according to the present invention, the high-carbon-residue-value and high-viscosity prebaked anode asphalt binder is prepared by using the continuous thermal polymerization method, such that the continuous production is achieved, the process operation is simple, the heat energy can be recycled, and the zero waste material discharge is achieved, and the method has characteristics of continuous production, simple process operation, cyclic utilization of the heat energy, and can be used for the production of the high-carbon-residue-value and high-viscosity prebaked anode asphalt binder.

The utility model relates to the technical field of textile equipment, and discloses a quick oil changing device of an air jet loom, which comprises a shell, an inner barrel rotatably connected to the bottom of the inner wall of the shell, a gear ring sleeved on the outer wall of one end of the inner barrel, a positive and negative motor fixedly connected to the outer wall of one end of the shell, and a gear fixedly connected to a rotating shaft of the positive and negative motor, according to the rapid oil changing device of the air jet loom, through mutual cooperation of the structures, it is guaranteed that oil is not leaked or splashed out in the changing process, zero waste of the oil is achieved, the device further has the waste oil recycling function, waste oil can be treated in a centralized mode, pollution of the waste oil to the environment is avoided, and the rapid oil changing device of the air jet loom is suitable for popularization and application. And the ecological environment is protected.