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143 results about "Mixed waste" patented technology

Mixed waste can refer to any combination of waste types with different properties. Typically commercial and municipal wastes are mixtures of plastics, metals, glass, biodegradable waste including paper and textiles along with other nondescript junk.

Waste mixing device and waste mixing processing equipment

Waste mixing processing equipment has a waste mixing device and a feeding device. The waste mixing device has a major mixing set, a sub-mixing set, and an extruding-and-shaping set arranged in sequence. The major mixing device and the sub-mixing device each have a y-shaped mixing passage in a base and tapering toward a discharging port, a driving screw, and a driven screw obliquely disposed therein. Waste and additives / fillers are fed into the major mixing set by proportion, and are mixed sequentially through the major mixing set and the sub-mixing set. The waste and the additives / fillers are mixed, extruded, and conveyed by the driving screw and the driven screw in the y-shaped mixing passages of the major / sub-mixing sets, whereby mixing efficiency is improved.
Owner:YEAN HORNG MACHINERY CO LTD +1

Intelligent catalytic thermal cracking reaction system and method for complex mixed waste plastics

The invention discloses an intelligent catalytic thermal cracking reaction system and method for complex mixed waste plastics, and belongs to the technical field of waste plastic resourceful treatment. The system comprises a feeding device, a high-pressure multi-section cracking reaction kettle, a spraying type heat exchange temperature control system, a heating system, a sensing and analyzing unit, an intelligent control system and a product condensation separation and utilization unit, the method specifically comprises the following steps: (1) pretreating and feeding raw materials; (2) multi-section temperature control cracking reaction; (3) intelligent feedback control; (4) the catalyst has a synergistic effect; and (5) product separation and recovery. According to the invention, a unique spraying type high-pressure multi-section temperature control system is combined with intelligent control of a rate matching algorithm, so that efficient, directional and stable cracking of complex mixed waste plastics is realized, the yield of high-value products such as light olefins, aromatic hydrocarbons and the like is remarkably improved, byproduct residues and energy consumption are reduced, and long-term continuous operation is realized.
Owner:北京绿安创华环保科技有限公司

System and process for sorting and recovery of recyclable materials from mixed municipal solid waste

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

Self-adaptive model prediction control system for mixed plastic pyrolysis process

The embodiment of the invention relates to the technical field of industrial process control and mixed waste plastic pyrolysis, in particular to a self-adaptive model prediction control system for a mixed plastic pyrolysis process. The system comprises a state sensing unit, a key energy mapping unit, an enthalpy flow planning unit and an execution feedback unit. The system identifies a chemical reaction dominant type by analyzing a gas generation rate curve; the core of the method is that a reaction type is converted into a physical energy demand containing energy flow density and action time, and a three-dimensional dynamic enthalpy flow control instruction and a self-adaptive switching strategy are generated according to a differential energy barrier of polyvinyl chloride dechlorination and polyolefin cracking; according to the invention, conversion from single steady state control to space-time energy potential accurate matching is realized, and the problem of energy level mismatching is effectively avoided.
Owner:GREEN HARVEST ENERGY (BEIJING) TECHNOLOGY CO LTD

Adaptive robotic system for selective opening of flexible containers in waste streams

A system for selectively opening flexible containers, such as plastic bags, in a mixed solid waste stream is disclosed, for use in Material Recovery Facilities (MRFs) or other contexts. The system may include a conveyor configured to transport waste, a sensor configured to detect the presence and position of flexible containers, and a multi-degree-of-freedom positioning device that moves a cutting tool relative to the containers. A processor, in communication with the sensor and positioning device, may calculate a cutting path and control the positioning device to execute the cutting operation. The system may utilize various cutting tools, including punches, blades, spades, shovels, and motorized saws, as well as non-contact fluid-based cutting technologies such as air or water jets. Additionally, the system can dynamically adjust the cutting trajectory based on real-time feedback and environmental conditions. The method provides an adaptable solution to open bags without damaging recyclable materials, improving throughput and reducing waste in mixed waste streams.
Owner:CP MANUFACTURING INC

Recovery and conversion reaction system for mixed waste plastics

The invention discloses a mixed waste plastic recovery and conversion reaction system which comprises a waste plastic raw material bin, a spiral feeder, a reaction furnace, a combustion chamber, a condensing device and an oil storage tank. The reaction furnace is sequentially provided with a feeding end, a reaction area and a discharging end, the reaction area comprises a plurality of reaction sections which are connected in series, the reaction sections are sequentially and continuously arranged along the length of a furnace body, and each reaction section is provided with a temperature control device which is independently opened and closed; the discharging end is communicated with a condensing device, and the condensing device is provided with a condensed kerosene outlet and a non-condensed pyrolysis gas outlet; the non-condensing pyrolysis gas outlet is divided into two paths, one path is communicated with the reaction furnace, and the other path is communicated with the combustion chamber. According to the invention, multiple reaction sections are combined and connected in series, multiple reaction mode combinations are provided, and high-value aviation kerosene can be produced. According to the invention, dechlorination can be effectively carried out before pyrolysis, and equipment corrosion, catalyst poisoning, secondary pollution and the like are prevented; according to the invention, the non-condensed gas is recovered for hydrogenation upgrading of products and self-heating of the system, so that energy is saved.
Owner:ZHEJIANG UNIV

Synthesizer for acetoxyacetyl chloride

The utility model provides an acetoxyacetyl chloride synthesizer which comprises a first synthesis kettle and a second synthesis kettle, the top of the first synthesis kettle and the top of the second synthesis kettle are both communicated with a first metering tank and a second metering tank through pipelines, and the first metering tank and the second metering tank are both provided with feeding pumps. The bottom of the first synthesis kettle and the bottom of the second synthesis kettle are communicated with a rectifying kettle through pipelines, a rectifying assembly is arranged at the top of the rectifying kettle, and a discharge port is formed in the bottom of the rectifying kettle; the whole device is simple in structure, the two synthesis kettles can be alternately used, so that the production efficiency is effectively improved, acidic mixed waste gases such as sulfur dioxide and hydrogen chloride are not generated, the utilization rate of raw materials theoretically reaches 100%, the device completely conforms to an environment-friendly and pollution-free green process, the reaction process is mild, and the production cost is low. The reaction speed can be controlled by controlling the temperature and the catalyst input amount, the production operation is safe, the production cost is low, and the benefit is high.
Owner:LIANYUNGANG BAIYU BIOTECHNOLOGY CO LTD

Method for recycling PA66 / PET (Polyamide 66 / Polyethylene Terephthalate) mixed waste

The invention discloses a method for recycling PA66 / PET (Polyamide 66 / Polyethylene Terephthalate) mixed waste. The recycling and regenerating method comprises the following steps: under the action of a catalyst, carrying out hydrolysis reaction on the PA66 / PET mixed waste; wherein the catalyst is adipic acid, and the use amount of the catalyst is 10-30 wt% of the amount of the mixed waste according to the mass percentage. An adipic acid autocatalysis system is adopted, efficient hydrolysis of PA66 and PET is achieved at the same time under the single reaction condition, the defect that step-by-step treatment is needed in a traditional process is overcome, the hydrolysis rate of PET is larger than or equal to 85%, the hydrolysis rate of PA66 is 50-70%, hydrolysis products can be further polymerized into polyesteramide with excellent mechanical performance and thermal stability, and the preparation method is suitable for industrial production. And the spanning from degradation recovery to upgrading regeneration is realized.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

Combination heat and power air supply system of fuel cell

The utility model provides a combined heat and power supply air supply system of a fuel cell, which utilizes a byproduct high-pressure pure oxygen generated by hydrogen production through water electrolysis as a working fluid, realizes air humidification and cyclic utilization of electric pile waste gas through combination of an injection device and an air compressor branch, reduces the use of a humidifier and an intercooler, and reduces the complexity and air flow resistance of the system. The system comprises an air inlet main path, an oxygen inlet branch path, an air inlet branch path and an injection device, waste oxygen is introduced into the oxygen inlet branch path, the air inlet branch path is provided with an air compressor, and the injection device mixes the waste oxygen and fresh air and supplies the mixed waste oxygen and fresh air into a galvanic pile. The air outlet pipeline is connected with the water segregator, waste gas is recycled to humidify fresh air, and a backflow adjusting valve is arranged. The system reduces the power consumption of the air compressor and improves the cogeneration efficiency of the fuel cell.
Owner:ZHEJIANG TIANNENG HYDROGEN ENERGY TECH CO LTD

Sand blasting dust separation device

The utility model discloses a sand blasting dust separation device, a feeding hole of the sand blasting dust separation device is connected with sand blasting equipment, and the sand blasting dust separation device comprises a separated sand flowing groove and a separator, a feeding port of the separating type quicksand groove is communicated with sand blasting equipment, the separating type quicksand groove can separate sundries, a discharging port of the separating type quicksand groove is communicated with a feeding port of the separator, the separator is arranged below the separating type quicksand groove, and dust of grinding materials is separated through the separator and can be collected. According to the sand blasting dust separation device, mixed waste materials are separated through the arrangement of the separation type sand flowing groove, and waste caused by the fact that the abrasive materials which can be used are mixed into waste abrasive materials is avoided. And negative-pressure separation is carried out through the negative-pressure separation area in the separator, so that the quality of the recycled grinding materials is guaranteed, and dust pollution is avoided. And moreover, the separator can adjust, adsorb and separate abrasives with different specific gravities according to the characteristic that different abrasives have different specific gravities, so that the applicability of the sand blasting dust separation device is improved.
Owner:HENGYANG KEYING STEEL PIPE CO LTD

Emptying waste gas treatment device in chemical synthesis

The utility model discloses an emptying waste gas treatment device in chemical synthesis, and relates to the technical field of waste gas treatment. Comprising a workbench, a cleaning mechanism is arranged on one side of the workbench and comprises a cleaning tank, a through hole is formed in one side of the cleaning tank, and an air inlet pipe is fixedly connected into the through hole. Through the arrangement of the cleaning mechanism and the filtering mechanism, in the using process, firstly, cleaning liquid is added into the water tank through the water inlet pipe, then the booster pump is started to spray the cleaning liquid into the cleaning tank through the spraying pipe and the nozzle, and in the process, waste gas enters the cleaning tank through the gas inlet pipe; meanwhile, a servo motor on a mounting plate drives a filter plate to rotate to quickly mix the waste gas and the cleaning solution, finally, a twisting cover is manually opened to discharge generated waste water through a drain pipe, the mixed waste gas enters a filter mechanism through a connecting pipe, the device can uniformly cover the waste gas, the contact between the waste gas and the cleaning solution is enhanced, and the waste gas treatment efficiency is improved.
Owner:HUAIBEI LONGXI BIOTECHNOLOGY CO LTD

Method for preparing potassium fluosilicate from mixed waste acid

The invention belongs to the field of waste liquid recycling, and discloses a method for preparing potassium fluosilicate by using mixed waste acid, which comprises the following steps: S1, silica fume acidification pretreatment: soaking silica fume in an acid solution for acidification, carrying out precipitation separation on the silica fume, drying, and grinding to obtain acidified silica fume; s2, mixing the raw materials: uniformly mixing the acidified silica fume and the silicon dioxide powder; s3, preparation of fluosilicic acid: adding a mixture of acidified silica fume and silicon dioxide powder into the mixed waste acid, and uniformly stirring by a mechanical stirrer; and S4, preparation of potassium fluosilicate: adding a potassium chloride saturated solution into the fluosilicic acid solution to generate potassium fluosilicate precipitate. The method has the advantages and effects of being high in fluorine ion utilization efficiency, low in production cost and high in finished product purity.
Owner:HUBEI SANXIONG TECH DEV CO LTD

Biological deodorization and mist removal device, method for preparing filler and application in treatment of mixed exhaust gas

The embodiment of the application provides a biological deodorization and demisting device, a filler preparation method and application in mixed waste gas treatment, and belongs to the technical field of biological purification and waste gas treatment. The device comprises: a pretreatment unit comprising a gas distributor and a spraying humidifier arranged together; a biological reaction unit for biodegradation of waste gas discharged from the pretreatment unit, which comprises at least one layer of composite filler layer, and catalyst is loaded in the layer height direction by layered spraying, and composite bacteria are loaded on the layer surface; a demisting unit comprising a demister and a separator for hierarchical and collaborative removal of mist droplets; and a control unit for real-time monitoring and adjustment of temperature, humidity, pH value, bacteria activity and pollutant concentration. The application realizes efficient and collaborative purification of H2S, NH3, VOCs and oil mist droplets in mixed waste gas, improves biological activity in the filler and prolongs the replacement cycle.
Owner:BEIJING ZHONGDINGHENGYE SCI & TECH CO LTD

Cleaning equipment and cleaning system

The invention discloses cleaning equipment and a cleaning system. The cleaning equipment comprises a machine body, a cleaning assembly and a dirt collecting assembly. A dirt collecting tank is arranged on the machine body; the cleaning assembly is arranged at the bottom of the machine body and can rotate around the axis. The dirt collecting assembly is arranged at the bottom of the machine body and close to the cleaning assembly so as to be at least used for collecting solid-liquid mixed garbage at the cleaning assembly, the dirt collecting assembly communicates with the dirt collecting box through a dirt pumping channel, and a filtering piece is arranged between the dirt pumping channel and the dirt collecting assembly. The problems that in the prior art, solid foreign matter collected by cleaning equipment is likely to move into a sewage tank along with sewage, the cleaning difficulty of the sewage tank is increased, and a sewage inlet pipeline is likely to be blocked are solved.
Owner:SHEN ZHEN 3IROBOTICS CO LTD

Auxiliary suction device for sorting waste plastic films

The utility model relates to the technical field of waste film treatment devices, in particular to a waste plastic film sorting auxiliary suction device which comprises a supporting frame, rotating shafts are rotationally connected to the two sides of the supporting frame, a conveying belt is sleeved outside the two rotating shafts, a suction mechanism is arranged on the upper side of the conveying belt, the waste plastic film sorting auxiliary suction device further comprises a stirring mechanism, and the stirring mechanism comprises two baffles. The first motor drives the stirring shaft and the two gears to rotate, the gears are meshed with the racks to drive the sliding plates to slide towards the two sides along the sliding rails, the stirring shaft rotates and moves on the conveying belt, a shovel plate turns and stirs mixed waste plastic products, extruded waste plastic films are turned out, and the sorting and sucking effect is improved; the brush plate is driven by the stirring shaft to brush the surface of the conveying belt, the brush plate completes cleaning in the cleaning box in the rotating moving process through the arc groove in the other side of the baffle, waste plastic films are prevented from adhering to the surface of the conveying belt due to oil dirt, and the sorting and sucking effect is improved.
Owner:GAOTANG COUNTY JULONGTAI ENVIRONMENTAL PROTECTION MATERIALS TECHNOLOGY CO LTD

Cyclic regeneration method of PA66 waste toughened by POE-g-MAH catalyzed by adipic acid

PendingCN121450094AElastomerPtru catalyst
The invention discloses a cyclic regeneration method of PA66 waste toughened by POE-g-MAH under the catalysis of adipic acid. Comprising the following steps: mixing POE-g-MAH toughened PA66 waste, a catalyst adipic acid and water, carrying out a hydrolysis reaction, and stopping the reaction until the hydrolysis rate of PA66 is greater than or equal to 80%; carrying out a repolymerization reaction on the hydrolysate and additionally added hexamethylenediamine under the action of a catalyst to obtain a regenerated material; wherein the use amount of the catalyst adipic acid is 20 to 30 weight percent of the POE-g-MAH toughened PA66 waste. According to the method, the recycling of the mixed waste of the grafted POE toughened PA66 can be realized, and the elastomer phase is in an in-situ micro-nano dispersion state of 0.3-1.0 mu m in the repolymerization process, so that the regenerated material also has excellent mechanical properties.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

Mixed waste plastic crushing and sorting device

The invention relates to the field of waste plastic recovery, in particular to a mixed waste plastic crushing and sorting device which comprises a sorting tank, feeding ports are symmetrically formed in the upper portion of the sorting tank, discharging ports are symmetrically formed in the bottom of the sorting tank, and two sets of discharging hoppers are sequentially arranged on the inner wall of the sorting tank downwards in a penetrating mode. The high-frequency electric push rod and the crushing roller are driven by the motor to crush waste plastics, meanwhile, preliminary magnetic separation can be performed through vibration during crushing, and the whole magnetic separation process can be completed in the separation tank through stirring of the stirring paddle and the action of the electromagnetic cover; by means of the structure, in the crushing process of waste plastics, primary magnetic separation is conducted on internal metal, then magnetic separation is conducted through downward conveying, the magnetic separation device and the magnetic separation device are driven by the same set of power but do not affect each other, the magnetic separation device and the magnetic separation device can conduct magnetic separation at the same time and do not need to be transferred among all sets of equipment, and the magnetic separation quality and effect are greatly improved.
Owner:YANGZHOU NINGDA NOBLE METAL CO LTD

Chemical recycling of materials comprising waste automotive carpet

Chemical recycling facilities for processing mixed waste plastic are provided herein. Such facilities have the capability of processing mixed plastic waste streams and utilize a variety of recycling facilities, such as, for example, solvolysis facility, a pyrolysis facility, a cracker facility, a partial oxidation gasification facility, an energy recovery facility, and a solidification facility. Streams from one or more of these individual facilities may be used as feed to one or more of the other facilities, thereby maximizing recovery of valuable chemical components and minimizing unusable waste streams.
Owner:EASTMAN CHEM CO

Air sorting unit

PendingUS20260183802A1Process engineeringConveyor belt
The present invention discloses an automated waste sorter (100) for sorting / segregating one or more categories of materials from a mixed waste stream. The automated waste sorter (100) includes a primary conveyor belt (110), an encoder (170), one or more sensors (131), a vision system (130) and an ejection means (150). The primary conveyor belt (110) moves the mixed waste stream at a predefined speed. The vision system (130) is trained to analyze the frame to identify, classify and locate one or more classified waste material using at least one of a plurality of identity parameters and / or a plurality of other parameters. The ejection means (150) includes one or more manifolds to eject the one or more classified waste material based on the one or more coordinates communicated by the vision system (130). A method to operate the automated waste sorter (100) is also disclosed.
Owner:ISHITVA ROBOTIC SYST PVT LTD

Low-energy-consumption and high-output-value critical temperature pyrolysis process for polystyrene and high-density polyethylene mixed waste plastics

The embodiment of the invention discloses a low-energy-consumption and high-output-value critical temperature pyrolysis process for mixed waste plastics of polystyrene and high-density polyethylene, which is characterized by comprising the following steps of: (1) crushing and pretreating the waste plastics and preparing the mixed waste plastics; (2) weighing the single-component waste plastics and the mixed waste plastics; (3) analyzing pyrolysis characteristics of the single-component waste plastics and the mixed waste plastics; (4) exploring a pyrolysis function model of the single-component waste plastics and the mixed waste plastics; (5) constructing a critical temperature pyrolysis process of the polystyrene and high-density polyethylene mixed waste plastics according to the corresponding relation of the pyrolysis temperature, the conversion rate and the pyrolysis function model; (6) verifying the feasibility of a critical temperature pyrolysis process; and (7) exploring the oil production rate of the pyrolysis reactor and measuring the clamp type power energy consumption. According to the embodiment of the invention, the practical problems of high energy consumption and low oil yield in the pyrolysis process of the polystyrene and high-density polyethylene mixed waste plastics are solved, and the dual purposes of energy conservation and yield increase in the pyrolysis process of the polystyrene and high-density polyethylene mixed waste plastics are achieved.
Owner:QINGDAO UNIV OF SCI & TECH

A device and a method for processing mixed waste plastic and products made from mixed waste plastic

PCT designated stageWO2026041720A1Plastic recyclingPolymer scienceAcrylonitrile
The invention belongs to the field of recycling plastic waste, particularly mixed plastic, recycling of which is very challenging. The invention relates to a device and a method for processing mixed waste plastic (MWP) and products made from mixed waste plastic. The mixed waste plastic comprises at least two of the following plastics: acrylonitrile butadiene styrene (ABS), ABS and glass fibre composite (ABS GF), polycarbonate (PC), polycarbonate and glass fibre composite (PC GF), PC-ABS composite, polyamide (PA), polybutylene terephthalate (PBT), and quartz sand (QS) with granulation up to 3 mm mixed in a selected ratio, which is from 30% : 70% to 60% : 40%. The method comprises the following steps: a) mixing MWP and QS, b) leading the prepared mixture to the extruder comprising a shaft with blades arranged for mixing and moving the material along the extruder, wherein the extruder is heated to a temperature between 200 and 250 °C, c) extruding the material from the extruder to a heated container, heated so that the temperature of the material inside it is between 210 and 240 °C, d) leading the material into a mould inside a press arranged to compress the mould, which presses the material into the desired shape, wherein said mould is cooled so that the product is cooled to a temperature between 60 and 90 °C and hardens.
Owner:EXPLAST D O O

Systems and Methods for Vitrification Process Control

Disclosed herein are systems and methods for a waste processing system. The system comprises a container preparation area wherein containers are prepared for in-container vitrification processes, a feed area where spent media, recycled waste, and one or more of glass frit, silica sand, or glass formers, are blended to form blended waste. The blended waste is metered into a prepared container from the container preparation area as electricity is applied to electrodes placed in the waste within the container, thereby creating heat sufficient to melt the contents of the container. This results in a container containing vitrified glass product with entrained contaminants. The system includes a container cooling area where the processed container may be cooled, and a container disposition area where the processed container may be surveyed, decontaminated, sealed, shielded, and / or prepared for storage.
Owner:VEOLIA NUCLEAR SOLUTIONS INC

Efficient multi-stage rotational flow mixed waste gas pretreatment tower

The invention relates to the technical field of waste gas pretreatment towers, and discloses an efficient multistage cyclone mixed waste gas pretreatment tower which comprises a waste gas tank, a fixing plate is fixedly connected to the inner wall of a tower body, the top end of the fixing plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with a first gear. A plurality of second gears are connected to the tooth end of the first gear in a meshed mode, toothed plates are connected to the tooth ends of the second gears in a meshed mode, second rotating shafts are fixedly connected to the interiors of the second gears, mixing blades are fixedly connected to the outer walls of the second rotating shafts, and turbulent flow blades are fixedly connected to the outer wall of the first rotating shaft. According to the mixing assembly, synchronous reverse rotation of a first rotating shaft and a second rotating shaft is achieved through cooperative transmission of a first gear and a second gear of a motor driving gear set, mixing blades and turbulent flow blades are driven to form a multi-stage rotational flow disturbance field, and the contact area and the shear mixing strength of waste gas and spraying washing liquid are greatly increased.
Owner:MAANSHAN IRIS ENVIRONMENTAL PROTECTION TECH CO LTD

Method for resourceful treatment and recycling of hot-rolled titanium coil pickling waste liquid

This invention relates to the field of industrial waste acid treatment and resource recycling technology, and particularly to a method for the resource-based treatment and recycling of pickling waste liquid from hot-rolled titanium coils. The method includes: based on the mixed waste acid liquid discharged from the acid tank, continuous measurement and recording, filtration, impurity separation, and pretreatment liquid preparation are performed to obtain a first pretreatment liquid record; then, alkali solution is added, stirred, and a first pH window is adjusted, followed by precipitation and solid-liquid separation to obtain a first supernatant record; next, alkali solution is added, stirred, and a second pH window is adjusted to obtain a first mother liquor record; finally, diffusion dialysis or selective ion exchange membrane separation is performed to obtain a first regenerated acid liquid record, which is then mixed with fresh acid liquid after concentration detection to obtain a first recycling record. This invention, through graded precipitation and a complete recording chain, achieves stepwise separation of iron and titanium components and efficient recovery and reuse of acid liquid, significantly improving the resource utilization level.
Owner:HUNAN TITANIUM CRYSTAL NEW MATERIAL TECHNOLOGY CO LTD

Method for preparing high-purity titanium powder by taking aluminum-titanium waste as raw material

The invention discloses a method for preparing high-purity titanium powder by taking titanium-aluminum waste as a raw material, which comprises the following steps: annealing a titanium-aluminum waste mixture at 400-600 DEG C in an inert atmosphere to remove organic waste in the titanium-aluminum mixed waste, and carrying out reduction deoxidation reconstruction on surface oxides of the titanium-aluminum waste by using reducing micromolecules generated by pyrolysis depolymerization of the organic waste, a clean titanium and aluminum mixture is obtained; the titanium and aluminum mixture is placed in the dense medium liquid, the aluminum material floats above the dense medium liquid, the titanium material sinks to the lower portion of the dense medium liquid, and separation is achieved; the method comprises the following steps: placing a titanium material in a closed reactor, reacting by using gaseous high-reactivity Lewis acid salt, and converting the titanium material into gaseous low-valence titanium chloride; the gaseous low-valence titanium chloride is guided into an inlet-outlet high-temperature-gradient high-temperature decomposition reactor in a high-frequency pulse mode, and is converted into high-purity titanium powder in the process of passing through the high-temperature decomposition reactor, and the high-purity titanium powder is deposited in a collection area of the reactor.
Owner:ZHONGYUAN CRITICAL METAL LAB +1

An air fryer

ActiveCN224461531UCold airElectric machine
An air fryer, including a heating head part, having a cover, the cover including at least an upper shell, and a heating tube protection lower cover, the heating tube protection lower cover being arranged in the lower space of the cover through a heating tube support, the heating tube protection lower cover being provided with a plurality of heat air vents on the bottom, and a heating element cooperating to blow hot air into a hot air exhaust channel; an output motor is arranged in the upper shell, and a transmission shaft is fixed with a heating fan blade; characterized in that the cover is internally provided with a heating tube upper cover, thereby dividing the space in the cover into an upper cavity and a lower cavity; the lower cavity is used to arrange the heating tube and the heating fan blade; the upper cavity above the top of the heating tube upper cover is provided with a cold air assembly as a cooling mechanism; the cold air assembly includes a cooling fan blade, which is also fixed on the transmission shaft of the output motor; the upper shell and the motor cover are provided with a cold air outlet on the side, and the air outlet is arranged to communicate with the mixing chamber outside the mixing cover; after cooling, the mixed waste air is discharged through the exhaust port, the temperature of the waste gas is reduced, and the structure is reasonably arranged, thereby prolonging the service life of the electronic components, preventing accidental start, being easy to operate, and being safer.
Owner:NINGBO YANRAN TECH CO LTD

A waste treatment device for workpiece cutting

The utility model relates to a kind of waste treatment device for workpiece cutting, the utility model effectively solves the problem that the existing waste treatment device is not convenient for screening different volume waste or chippings, and is not convenient for the classification of ferromagnetic and non-ferromagnetic waste.The waste treatment device for workpiece cutting is provided with negative pressure dust collection mechanism on both sides of the collecting cover, which can effectively prevent dust diffusion and significantly improve the air quality of the working area.The vibrating screening mechanism can automatically separate the large cutting waste from the small chippings and dust, and the magnetic separation screening mechanism can adsorb and separate the ferromagnetic metal in the falling mixed waste, while the non-magnetic metal directly falls down, so that different types of metal waste are automatically classified and collected into different storage boxes, greatly improving the purity and recycling value of the waste, saving additional sorting cost.The whole process is automatically continuous, greatly improving the efficiency of waste treatment.
Owner:YAGAO MACHINERY (LUOYANG) CO LTD

A method, system, terminal and medium for producing light aggregate based on hazardous waste

This application relates to a method, system, terminal, and medium for producing lightweight aggregates based on hazardous waste, belonging to the field of hazardous waste treatment technology. The method includes: obtaining information on the type of hazardous waste; pre-treating the hazardous waste according to the type information to obtain waste to be processed; collecting the chemical composition and elemental content of the waste to be processed; generating a mixing ratio and an auxiliary material ratio based on the chemical composition and elemental content, using a preset processing standard as a reference; mixing the waste to be processed according to the mixing ratio, and adding auxiliary materials according to the auxiliary material ratio to form a mixed waste; and sintering the mixed waste to obtain lightweight aggregates. This application has the effect of improving the sintering effect of lightweight aggregates.
Owner:YUYUAN NINGHAI ENVIRONMENTAL PROTECTION TECH CO LTD

Sorting of Zopaba

A material handling system utilizes a combination of a spectral sensor, such as x-ray fluorescence, and a visual system implementing an artificial intelligence system to sort mixed waste material in order to identify or classify each of the materials, and then sort each of the materials into separate groups based on such identification or classification. The system is capable of sorting materials that are typically found within Zorba, Zebrala, and Twitch.
Owner:SOTRA TECH CO LTD

Method and treatment system for synergetic resource utilization of titanium white waste acid and acid wastewater

The invention relates to the technical field of resource recovery, in particular to a titanium white waste acid and acid wastewater collaborative resource utilization method and a treatment system. The method comprises the following steps: carrying out membrane concentration pretreatment on acidic wastewater generated in the titanium dioxide production process to obtain reuse water and concentrated acid water containing sulfuric acid and metal ions; mixing the concentrated acid water with the pretreated titanium dioxide waste acid to obtain mixed waste acid, and feeding the mixed waste acid into a multi-effect evaporation and concentration unit for concentration to obtain concentrated waste acid; the concentrated waste acid is subjected to a pre-pyrolysis drying reaction at the temperature of 250-400 DEG C, and a solid product and sulfur-containing tail gas are obtained; the sulfur-containing tail gas is condensed, concentrated sulfuric acid with the mass concentration not lower than 90% is obtained through recovery, and uncondensed tail gas is discharged after being purified. By precisely regulating and controlling the temperature window of the pre-pyrolysis drying reaction, solid products can be directionally produced, the additional value is remarkably improved, the acid purchasing cost of enterprises can be reduced by recycling high-purity concentrated sulfuric acid, and the overall economic benefit is very remarkable.
Owner:SHANDONG LUBEI INT NEW MATERIAL RES INST CO LTD +1