465 results about "Material recovery" patented technology

The invention discloses a recovery device and a recovery method for a photovoltaic multi-layer stacked assembly. The recovery device comprises a dismounting unit, a pyrolysis unit and a waste gas treatment unit which are arranged in sequence, the pyrolysis unit comprises a tunnel kiln, a bearing assembly and a conveying assembly. The recycling method comprises the steps that S1, the disassembling unit is used for disassembling, and the frame is stripped; s2, the photovoltaic multi-layer laminated assembly is sent to a pyrolysis unit for pyrolysis, and a glue film layer in the photovoltaic multi-layer laminated assembly is removed; and S3, the waste gas is discharged after being treated. By means of the innovative disassembling system, the multi-plate stacking tunnel kiln pyrolysis scheme and the multi-stage waste gas treatment system, the industrial production capacity of treating 1-3 tons of photovoltaic panels per hour can be achieved, the pyrolysis effect is good, the silicon material recovery rate can reach 98.5% or above, energy consumption is low, and the tail gas emission index is superior to the national standard by 50% or above.

The invention discloses an AGV-six-degree-of-freedom mechanical arm operating system and method based on double-vision fusion, the system comprises a control system and a six-degree-of-freedom mechanical arm, and the control system comprises a master control unit, a slave control unit and a dynamic error compensation module; the method comprises the steps of AGV autonomous navigation and material transfer, cross-station accurate docking and dynamic error compensation, high-precision biological medicine operation under double-vision fusion guidance, and material recovery and circulation. According to the invention, through dual-vision dynamic fusion of eyes outside the hand and eyes on the hand, adaptive switching from global coarse positioning to local fine positioning is realized; due to the integrated design of the AGV and the six-degree-of-freedom mechanical arm, the operation flexibility is greatly improved; an extended Kalman filtering dynamic error compensation algorithm is innovatively adopted, so that the comprehensive error of the AGV, the mechanical arm and the visual system can be corrected in real time; and by combining with a double-layer distributed control architecture, the system realizes multi-task intelligent scheduling and modular collaboration.

The invention discloses a waste polyurethane material recovery method and a preparation method of a polyurethane product, and belongs to the technical field of waste polyurethane material recovery and reutilization. The recovery method comprises the following steps: a powder preparation stage: crushing a waste polyurethane material by using crushing equipment to obtain polyurethane powder; a premixed liquid preparation stage: mixing polyurethane powder with a degradation agent, a catalyst and a cosolvent in proportion, and uniformly mixing through stirring equipment to obtain a premixed liquid with a certain powder content; in the degradation stage, equipment with a mechanical shearing and extruding function is used for grinding, extruding and shearing the premixed liquid, the reaction process is carried out within a set temperature range, and degradation mixed liquid of the polyurethane material is obtained after the reaction is completed. In the preparation method of the polyurethane product, a part of or all of the polyol raw material adopts a degradation mixed solution. According to the method, the degradation process is low in reagent consumption, low in temperature and short in time, does not need gas protection, and does not generate toxic substances such as aromatic amine, and the obtained high-performance heterogeneous polyhydric alcohol can be directly used for preparing polyurethane products without any post-treatment process.

The invention provides a device and a method for recovering valuable metals from slag of a copper furnace by reducing carbon slag in an aluminum electrolysis cell, and relates to the technical field of metal material recovery, the device comprises a smelting furnace, a mixing bin, an anti-blocking mechanism and a screening mechanism; the anti-blocking mechanism comprises a rotating ring rotationally connected to the bottom of the mixing bin, a gear disc is fixedly arranged at the bottom of the rotating ring, an arch breaking plate is fixedly arranged on the inner side of the gear disc and located on the inner side of the mixing bin, a mounting seat is fixedly arranged on the right side of the mixing bin, and a driving motor is arranged at the top of the mounting seat. According to the scheme, it is finally achieved that when a gear disc rotates, an adjusting support and a rotating wheel are driven to rotate at the same time, under the action of a protruding plate, a screening frame drives a screen to move up and down, and marbles irregularly jump in a lantern ring, so that discharged materials are screened, the roasted materials do not need to be screened independently, and the screening efficiency is improved. And the efficiency of recovering valuable metals from the copper-aluminum slag is improved.

The invention belongs to the technical field of material recovery, and particularly discloses a regeneration method of a waste lithium iron phosphate battery positive electrode material, a lithium ion battery positive plate prepared from regenerated lithium iron phosphate powder and a lithium ion battery. Waste lithium iron phosphate powder is uniformly mixed with uric acid and a lithium source, and the mixture is subjected to annealing and annealing treatment in an inert atmosphere, so that structure repair and performance upgrading of a failure material are realized. Uric acid serves as a reducing agent and a carbon-nitrogen source at the same time in the process, Fe < 3 + > is effectively reduced through thermal decomposition of the uric acid, anti-position defects are reduced, a uniform nitrogen-doped carbon coating layer is synchronously formed on the surfaces of particles, and the conductivity and the ion diffusion rate of the material are remarkably improved. The method is short in process flow and environment-friendly, and does not need to use strong acid and strong alkali. The regenerated lithium iron phosphate material has excellent electrochemical performance, the capacity retention rate reaches 91.22% after 500 times of circulation under the multiplying power of 0.5 C, the capacity retention rate is far superior to that of a commercial material, and an effective way is provided for high-valued recovery of waste lithium iron phosphate.

The utility model discloses a multi-scraper rotary melt filter and relates to the field of melt filtration. The multi-scraper rotary melt filter comprises a filter shell part, a rotary extrusion mechanism is arranged in the filter shell part, the filter shell part comprises a middle shell and a discharge port formed in the outer wall of the middle shell, a feed port is formed in one end of the middle shell, and a waste discharge screw is arranged at the other end of the middle shell. According to the rotary melt filter with the multiple scrapers, the multiple arc-shaped blades are attached to the inner wall of the filter screen to rotationally scrape waste materials through rotation of the rotary roller mounted at the tail end of an extruder, the filter screen is used for filtering, and the multiple arc-shaped blades are annularly arranged in multiple rows; and the waste materials immediately enter the positions of the next set of arc-shaped blades after leaving the previous set of arc-shaped blades, continuous waste material scraping is achieved, it is guaranteed that the waste materials can rapidly and effectively enter the conical waste storage cavity, the waste materials are prevented from blocking the filter screen, and the filtering efficiency and the material recovery rate are improved.

The invention discloses a novel building waste asphalt material recovery device, relates to the technical field of building waste asphalt recovery, and provides the following technical scheme in order to achieve the purpose: the novel building waste asphalt material recovery device comprises a static jaw structure and a movable jaw structure which are arranged in a box body, the fixed inclined plate and the sliding inclined plate are arranged in the box body, and the sliding inclined plate slides up and down relative to the fixed inclined plate; the inclined plane sliding block mechanism is arranged between the fixed inclined plate and the sliding inclined plate in a sliding manner; the inclined plane sliding block mechanism longitudinally slides to drive the sliding inclined plate to transversely slide; the sliding inclined plate is connected with the wedge block through the sliding block and the sliding groove, up-and-down sliding of the wedge block is transmitted to the sliding inclined plate through the sliding block and the sliding groove, the wedge block is made to move transversely, and then the crushing gap between the static rack and the movable rack is changed; therefore, the device adapts to waste asphalt materials with different particle sizes.

A renewable wall of a fusion reactor chamber is disclosed. In some embodiments of the disclosed technology, a fusion reactor device comprises a fusion reactor chamber including an inner wall that is at least partially made of a wall-forming aggregate to be exposed to a heat flux in the fusion reactor chamber during a nuclear fusion reaction which decomposes into constituent pebbles upon this heat flux exposure, a material collection system structured to collect via gravity, from the inner wall of the fusion reactor, a material recovery unit connected to the material collection system to recover the decomposed wall-forming material and provide a recovered wall-forming material to a wall-forming material container, and an array of extrusion channels connected between the inner wall and the wall-forming material container to feed the recovered wall-forming material from the wall-forming material container toward the inner wall of the fusion reactor chamber.

The invention provides a lepidolite tailing rubidium and cesium extraction device, a rubidium and cesium efficient extraction agent and a preparation method of the rubidium and cesium efficient extraction agent, and relates to the technical field of metal material recycling. The driving mechanism comprises a mounting seat fixedly arranged at the bottom of the front surface of the treatment tank, the inner side of the mounting seat is rotationally connected with a rotating rod, and a surface key groove of the rotating rod is connected with a driving gear. According to the scheme, the pH value of the lepidolite leachate is finally and rapidly adjusted in a targeted mode, the problem that local pH value fluctuation is large due to the fact that excessive pH adjusting liquid is put at a time is solved, the problem that the pH adjusting efficiency of the lepidolite leachate is low due to the fact that the pH adjusting liquid is put intermittently can be solved, gas is injected into the lepidolite leachate at the same time, and the efficiency of adjusting the pH value of the lepidolite leachate is improved. While the pH adjusting liquid and the lepidolite leaching liquid are helped to be fused, the liquid turbulence is enhanced, the concentration gradient is reduced, the pH value of the lepidolite leaching liquid is rapidly adjusted, and the extraction efficiency of rubidium and cesium metal is improved.

The invention relates to the technical field of automatic material treatment, in particular to an intelligent material treatment system and method.The intelligent material treatment system comprises a multi-floor treatment unit, a drying unit, a gas-solid separation unit, a conveying unit, a material mixing unit and an intelligent control unit; the multi-floor treatment unit is divided according to the functions of third-floor pretreatment, second-floor sanding and first-floor temporary storage and is seamlessly connected through a pipeline; the intelligent control unit adopts an MCGSPRO industrial control module and is provided with functional modules such as a layered operation interface and a parameter monitoring interface, so that full-process management and control are realized; the gas-solid separation unit adopts a cyclone separator and a dust remover for secondary purification, and the conveying unit comprises a quantitative hopper, so that the material recovery and quantification precision is guaranteed. The method comprises the five steps of pretreatment on the third floor, sanding treatment on the second floor, temporary storage and conveying on the first floor, drying and gas-solid separation and quantitative mixing. According to the scheme, the problems that a traditional system is poor in multi-floor cooperation, insufficient in sanding flexibility, low in intelligence and the like are solved, and the material recovery rate and the product consistency are remarkably improved.

The invention relates to the technical field of dry particle distributing machines, and discloses a dry particle distributing system which comprises a dust-raising-preventing distributing device, a recycling and separating device and a negative-pressure collecting device. The dust-raising-preventing material distributing device comprises a material distributing machine shell, a feeding pipe is arranged on the material distributing machine shell, an excess material recycling belt is arranged in the material distributing machine shell, and the excess material recycling belt is provided with a first feeding pipeline; the recovery and separation device comprises a recovery tower, a suction hopper, a fan assembly and a dust remover; the recovery tower is provided with a second feeding pipeline; the negative pressure material collecting device comprises a recycling material collecting hopper, a negative pressure generating assembly and a material storage hopper, the recycling material collecting hopper is communicated and connected with the first feeding pipeline and the second feeding pipeline, the material storage hopper is communicated and connected with the lifting feeding device, and the lifting feeding device is communicated and connected with the feeding pipe. The dry particle distribution system has the advantages of high automation degree and high continuous working capability, and can effectively improve the utilization rate of dry particles, reduce the production cost and improve the production efficiency and the product quality.

The invention relates to a method for selectively recovering a lithium element in a waste lithium iron phosphate battery by utilizing a deep eutectic solvent, and belongs to the technical field of battery material recovery. Disassembling and recycling the waste lithium iron phosphate battery, and separating and collecting a positive electrode active material; mixing the hydrogen bond donor and the hydrogen bond acceptor to prepare the eutectic solvent; the method comprises the following steps: adding a deep eutectic solvent and a hydrogen peroxide solution into a positive electrode active material, stirring and reacting at a certain solid-to-liquid ratio and temperature, and after the reaction is finished, carrying out solid-liquid separation to obtain a lithium-containing leachate and an iron phosphate-containing leaching residue. The hydrogen peroxide and the eutectic solvent have a synergistic effect in lithium iron phosphate (LiFePO4) leaching, so that lithium stably exists in a liquid phase in an ion form, and iron exists in a solid phase in a precipitate form.

The invention discloses a carbon fiber composite material recovery device and a control method thereof. The carbon fiber composite material recovery device comprises a reaction container, a microwave radiation assembly, a monitoring assembly, a shell and a control system, the reaction container is used for containing a carbon fiber composite material and a treating fluid, and the microwave radiation assembly is used for providing microwave radiation energy for the carbon fiber composite material in the reaction container; the monitoring assembly is used for monitoring reaction parameters in the reaction container in real time, a shielding layer is arranged on the inner wall of the shell and used for shielding microwave radiation generated by the microwave radiation assembly, and the control system is used for adjusting the output power of the microwave radiation assembly according to the monitored reaction parameters. According to the invention, the microwave absorption capability of carbon fibers in the carbon fiber composite material is utilized, degradation reaction energy is directly provided for the carbon fiber composite material in a targeted manner in a microwave radiation manner, the degradation liquid in the whole reaction container does not need to be heated, the energy consumption cost is low, and the reaction time is high.

Belonging to the technical field of fine chemical product separation and purification, the invention discloses a beta-bromophenylethane rectification purification process, which comprises the steps of system negative pressure pretreatment, falling film evaporation directional separation, structured packing layer gas-liquid mass transfer, precise reflux ratio regulation and control, segmented collection (front fraction-qualified product), and residual liquid treatment and system circulation. According to the process, the negative pressure of a system is stabilized at 800-1200 Pa, the material temperature of a falling film evaporation discharging end is controlled at 125-135 DEG C, the feeding flow is stabilized at 1.8-2.2 m / h, the reflux ratio is regulated and controlled at 0.8: 1-1.2: 1, and the process realizes efficient purification of beta-bromopheny ethane through precise negative pressure control, synergistic linkage of falling film evaporation and a rectifying tower, segmented material collection and a circular treatment mechanism, so that the process is suitable for industrial production of beta-bromopheny ethane. According to the method, the purity of beta-bromopheny ethane can stably reach 99.5% or above, the material recovery rate is increased to 92% or above, energy consumption is reduced by 15-20% compared with that of a traditional process, material thermal decomposition loss is avoided, and the method is suitable for industrial large-scale production.

The invention relates to the field of paper diaper processing, and discloses a flexible material cutting mechanism for paper diaper processing, comprising a processing table, supporting legs, a collecting bin, a stacking bin and a handle; the device further comprises a fixed shearing unit arranged on the machining table, the extrusion assembly is driven by the driving assembly to ascend and descend, the flexible water-absorbing cloth in the stacking bin is pressed, the flexible water-absorbing cloth in the stacking bin is extruded and compressed, and in the process that the flexible water-absorbing material recovers deformation, the flexible water-absorbing cloth in the stacking bin is extruded and compressed. The shearing assembly can cut the next flexible water-absorbing cloth, then the cloth is pushed into the stacking bin, the flexible water-absorbing cloth is pressed by the extrusion assembly, and the operation is repeated, so that more cut flexible water-absorbing cloth can be placed in the stacking bin, and the situation that a few pieces of flexible water-absorbing cloth cannot be placed in the stacking bin due to fluffy flexible water-absorbing cloth is avoided; in the prior art, the machine needs to be shut down to pour out the flexible water-absorbing cloth and then the machine is started for cutting, and a large amount of manufacturing time is wasted.

The device comprises a bottom plate, the top of the bottom plate is fixedly connected with a placement table through a support, the left end of the top of the placement table is fixedly connected with a spraying tower, the top of an inner cavity of the spraying tower is fixedly connected with a spraying head through a support, and the spraying head is fixedly connected with a spraying head through a support. A first pump machine is fixedly connected to the top of the spraying tower, an air inlet pipe is arranged on the left side of an inner cavity of the spraying tower, a water tank is fixedly connected to the middle end of the top of the placing table, a curved pipe is fixedly connected to an inner cavity of the water tank through a support, and a liquid level sensor is fixedly connected to the top of the inner cavity of the water tank; and the bottom of the inner cavity of the water tank is fixedly connected with a water temperature detector. According to the invention, full gas-liquid contact is realized through the combination of the spray tower and the spray head, and a dual purification path of'wet absorption and adsorption filtration 'is formed in cooperation with the activated carbon filter screen of the purification box, so that the pollutant removal efficiency is remarkably improved.

The present application relates to a kind of judgment method and processing method of blast furnace suspension material position, the judgment method of blast furnace suspension material position is used to judge the position of blast furnace suspension material, the processing method of blast furnace suspension material position, including if upper suspension material control wind speed and increase the coke of maintaining material surface shape, " sit material " by different ways is selected according to different suspension material position, quantitative calculation supplementary net coke weight, determine the distribution of net coke increase way.The present application has the advantages that: different furnace condition recovery method, parameter setting rule, coke adding method are invented for different suspension material position, improve the recovery speed after blast furnace suspension material;In upper suspension material, maintaining material surface shape can speed up subsequent wind process, reduce the possibility of secondary collapse, slide material accident;According to different suspension material position, different ways are selected to reduce wind " sit material ", according to different suspension material position, corresponding wind reduction method is adopted, can as far as possible speed up furnace condition recovery process, realize the optimization of suspension material recovery process.

This invention provides a composite magnesium-iron modified biochar and its method for purifying industrial wastewater, belonging to the technical field of functional materials for water treatment. The composite biochar of this invention uses porous biochar as a substrate, and through bimetallic impregnation, in-situ co-precipitation nucleation with pH control, and programmed temperature calcination, a composite crystalline phase of magnesium-iron layered bimetallic oxide and magnesium-iron spinel is anchored in-situ on its surface and internal pores. This material exhibits excellent magnetic field response characteristics and abundant bimetallic active sites. When added to composite wastewater, the bimetallic synergistic mechanism enables one-step simultaneous adsorption and degradation of COD, ammonia nitrogen, and total phosphorus; after the reaction, only an external magnetic field is needed to quickly achieve solid-liquid separation. This invention completely solves the problem of powder material recovery, and is resistant to desorption and regeneration, exhibiting excellent long-term recycling performance.

The present application relates to a tobacco loose detection equipment technical field, especially to a kind of tobacco loose after moisture processing degree of detection device of stretching degree.Its technical scheme includes the detection device of checking tobacco, also includes: setting in the detection device in order in turn material taking conveying line, material distributing vibration disc, material conveying line, detection square cover and return material conveying line.The present application is by material taking conveying line, material distributing vibration disc, material conveying line, detection square cover, return material conveying line and industrial camera etc.Structure design, by image recognition technology to the light transmission of tobacco is analyzed, the stretching degree of tobacco is converted into the quantization index of gray value area area ratio, solve the problem of strong subjectivity and poor consistency caused by relying on artificial sense of smell in prior art evaluation.At the same time, it also realizes the automatic extraction, dispersion, image acquisition and material recovery of tobacco sample.The whole detection process does not need manual intervention, significantly improves the detection efficiency.

The present invention provides a method for stripping a composite by immersing the composite in a stripping solution, wherein the composite comprises a metal substrate and a coating applied to one or both sides of the metal substrate, wherein the coating comprises a polymeric binder, and wherein the polymeric binder comprises an aqueous copolymer. The use of a stripping solution comprising an alkali metal phosphate allows for a complete stripping of the composite in an efficient and extremely fast manner. Furthermore, the stripping method disclosed herein avoids complex separation procedures, contamination and corrosion of the metal substrate, and enables excellent material recovery. An application of the method for stripping an electrode of a battery is disclosed herein.

The utility model discloses scratch-resistant fabric coating equipment which comprises a feeding assembly, a coating assembly, a coating assembly and a receiving assembly, the upper end of the feeding assembly is fixedly connected with the coating assembly, the upper end of the coating assembly is fixedly connected with the coating assembly, the upper end of the coating assembly is fixedly connected with the receiving assembly, and the scratch-resistant fabric coating equipment is characterized by further comprising the feeding assembly; the upper end of the feeding frame is fixedly connected with the coating material recycling frame; the material wheel is rotationally connected to the upper end of the feeding frame; the display controller is fixedly connected to the left end of the feeding frame; the first material guiding wheel is also rotationally connected to the upper end of the feeding frame; the second material guide roller is rotationally connected to the lower end of the feeding frame and is arranged at the lower end of the first material guide roller; and by arranging the coating assembly capable of recycling redundant coating when the fabric is coated, the device can recycle the redundant coating when the fabric is coated, and waste is avoided.

The utility model relates to the technical field of gravel conveying, in particular to an excess material recycling device of a gravel conveying belt. The excess material recycling device of the gravel conveying belt comprises a material removing base, an arc-shaped scraper with a scraping blade of an arc-shaped structure is installed on the material removing base, and a plurality of sets of shock excitation components distributed at equal intervals are installed on the portion, on the rear side of the arc-shaped scraper, of the material removing base. According to the excess material recovery device for the gravel conveying belt, the steel balls alternately slide on the stripe part and the non-stripe part on the conveying belt, so that the sliding columns are matched with the springs to continuously impact the conveying belt to generate vibration, and the excess materials attached to the conveying belt are vibrated off; the vibration effect not only enhances the scraping effect of the arc-shaped scraper, but also prevents the accumulation of excess materials on the conveying belt, and ensures the continuous and efficient operation of the gravel conveying belt.

The invention discloses a waste lithium iron phosphate battery recovery processing method, and belongs to the technical field of battery material recovery, the waste lithium iron phosphate battery recovery processing method comprises the following steps: (1) stirring and mixing a positive electrode material of a waste lithium iron phosphate battery, phosphoric acid, lithium monohydrogen phosphate and lithium dihydrogen phosphate in water to obtain a mixed solution; (2) adjusting the pH value of the mixed solution to be acidic, adding hydrogen peroxide, stirring, adding ferrite, and stirring to obtain slurry; (3) adding lithium acetate, vanadium nitrate, niobium pentoxide, polyacrylic acid or citric acid, carbon nanotubes and polytetrafluoroethylene emulsion into the slurry, stirring and mixing, dispersing, and drying to obtain a precursor; and (4) crushing the precursor, and then carrying out gradient calcination in a nitrogen-hydrogen mixed gas atmosphere to obtain the lithium iron phosphate material. The obtained lithium iron phosphate material can be directly used for preparing a lithium iron phosphate battery, and has high specific capacity and good cycle stability.

The utility model relates to a material recovery device which is characterized in that when a negative electrode material needs to be recovered in the actual negative electrode material processing process, a vacuum feeding machine can be operated, the negative electrode material is collected by a material suction pipeline of the vacuum feeding machine, and the negative electrode material is sucked into the vacuum feeding machine through the material suction pipeline; then the feeding port of the ton bag penetrates into the position between the feeding barrel and the clamping ring, the linear driving part is operated to drive the clamping ring to ascend through the lifting plate, the clamping ring and the fixing ring are matched with each other to clamp the feeding port of the ton bag, and then a valve in the vacuum feeding machine is operated to clamp the feeding port of the ton bag. The negative electrode material in the vacuum feeding machine enters the ton bag through the feeding port of the ton bag to be recycled, then the clamping ring is driven to descend, and the ton bag is taken out, so that the negative electrode material can be better conveyed, flying dust is reduced, material loss is avoided, the processing environment is prevented from being polluted, and the health of operators is prevented from being affected.

The utility model relates to the technical field of rim charge recovery devices, and discloses a plastic film rim charge crushing and recovering mechanism which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a supporting frame, the outer wall of the supporting frame is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a first pulley. A belt is arranged on the outer wall of the first pulley, a second pulley is arranged on the outer wall of the belt, a first supporting rod is fixedly connected to the interior of the second pulley, smashing blades are fixedly connected to the outer wall of the first supporting rod, and a supporting column is fixedly connected to the upper surface of the bottom plate. According to the leftover material crushing device, the first motor drives the first pulley to rotate, then the first pulley drives the second pulley to rotate through the belt, then the first supporting rod is driven to rotate in the supporting frame, then the first supporting rod drives the crushing blades to rotate, leftover materials can be further crushed, and the effect of efficiently and finely crushing the leftover materials is achieved.

The present invention provides a method for stripping a composite by immersing the composite in a stripping solution, wherein the composite comprises a metal substrate and a coating applied to one or both sides of the metal substrate, wherein the coating comprises a polymeric binder, and wherein the polymeric binder comprises an aqueous copolymer. The use of a stripping solution comprising a weak base allows for a complete stripping of the composite in an efficient and extremely fast manner. Furthermore, the stripping method disclosed herein avoids complex separation procedures, contamination and corrosion of the metal substrate, and enables excellent material recovery. An application of the method for stripping an electrode of a battery is disclosed herein.

The utility model discloses a lubricating oil liquid production excess material recovery device, and belongs to the technical field of lubricating oil production. The utility model relates to a lubricating oil liquid production excess material recovery device, which comprises a recovery tank and a cover body arranged at the top of the recovery tank, and further comprises a scraping plate arranged below the cover body and attached to the inner wall of the recovery tank; the cover body is provided with a driving part for driving the spline shaft to rotate, the spline shaft is longitudinally provided with a sleeve in a sliding manner, the scraping plate is connected with the sleeve, the cover body is provided with a connecting part, and when the driving part drives the spline shaft to rotate, the connecting part is connected with the sleeve. The connecting part drives the sleeve to slide along the spline shaft; the driving part drives the spline shaft to rotate, meanwhile, the connecting part drives the sleeve to longitudinally slide along the spline shaft, then the scraping plate is driven to rotate and longitudinally move, excess materials attached to the inner wall of the recycling tank can be effectively scraped, and the utilization rate of the excess materials is increased.

The utility model discloses a medium density fiberboard processing wood chip screening machine which comprises a base, the base is connected with a screening assembly used for screening raw materials for medium density fiberboard processing wood chips, and the screening assembly comprises a screening piece which is installed on the base and used for screening out impurities in raw material mixtures, the screening part comprises a rotating cylinder rotationally connected to the right end of the upper side of the base, a filtering cylinder used for filtering impurities is installed on the left side of the rotating cylinder, and a recycling box used for receiving the impurities is placed on the portion, corresponding to the lower side of the filtering cylinder, of the upper side of the base. According to the wood chip screening machine for medium-density fiberboard processing, the air cylinder assembly is matched with the push plate, materials retained in the rotating cylinder and the filter cylinder are guided out, the material recovery rate is increased, and the water pump, the three-way valve, the corrugated pipe, the water spraying ring, the branch pipe and the water spraying strip are matched with one another, so that the inner wall and the outer surface of the filter cylinder are cleaned.

The invention discloses a process system and a process for producing mineral wool using solid waste silicon-manganese slag, and relates to the technical field of mineral wool production. The process system for producing mineral wool using solid waste silicon-manganese slag comprises a mineral wool plate roller conveyor, a cutting device and an edge material recovery device installed on the mineral wool plate roller conveyor, wherein a wide transmission gap is formed between two rollers of the mineral wool plate roller conveyor; and the cutting device comprises a longitudinal cutting cutter head. The self-driven threaded push rod generates friction with the mineral wool plate waste, and with the cooperation of the mineral wool plate roller conveyor, the waste is pushed toward the frame direction to realize the outward push of the waste, so as to avoid the friction between the cut mineral wool plate and the waste causing damage to the edge of the mineral wool plate, and the waste cutting knife is pushed to move back and forth by the driving structure to realize the shredding of the waste, and under the action of the push block, the waste is accelerated to fall from the wide transmission gap to avoid the accumulation of waste, thereby realizing the collection of waste, which is conducive to the recycling of waste.

The invention provides a recovery device for a step-by-step electrochemical synthesis charged material, and belongs to the technical field of electrochemistry, the recovery device comprises a recovery cavity, a frequency conversion physical separation mechanism and a heat exchanger, and the frequency conversion physical separation mechanism is located in the recovery cavity; a feed port, an air inlet and a discharge port are formed in the recovery cavity, and the feed port is used for inputting a charged material; the variable-frequency physical separation mechanism is used for separating a capacitive electrode material and an electrolyte in the charged material to obtain a recovered capacitive electrode material and an electrolyte, a liquid collecting tank is arranged below the variable-frequency physical separation mechanism, and a liquid outlet pipe is arranged at the bottom of the liquid collecting tank; the heat exchanger provides heat energy. Through the design that the closed recovery cavity is adopted and atmosphere gas or reaction gas is input into the closed recovery cavity, the problem of introduction of external impurities can be effectively solved, and meanwhile, internal gas components can be accurately controlled, so that the introduction of a side reaction process is avoided.