20190 results about "Waste material" patented technology

The invention relates to the technical field of material removal in laser processing, in particular to a laser positioning stripping system and method for special-shaped neodymium iron boron waste, and the method comprises the following steps: S1, carrying out multispectral scanning on the surface of the special-shaped neodymium iron boron waste; s2, dynamically adjusting energy parameters of laser lift-off, and constructing an energy thickness matching model; s3, generating a fractal scanning path of the adaptive special-shaped surface based on the geometric contour data of the three-dimensional characteristic spectrum; s4, in-situ surface roughness detection is carried out in the laser lift-off process, a secondary finishing mode is triggered according to a detection result, and the safe lift-off allowance is dynamically corrected based on lift-off depth data; and S5, in-situ separation of the oxide layer fragments and the matrix particles is achieved through the hot air flow field in combination with the gas-solid separation dynamics principle, and matrix particle recovery is assisted and strengthened through the magnetic field. The laser energy, the scanning path and the thermal control strategy can be dynamically adjusted according to real-time data, so that material loss and waste are effectively avoided, and the processing efficiency and the recovery rate are improved.

A method for pyrolysis of a mass of waste material, includes: providing a screw arrangement adapted to supply heat to the mass by mechanical shear; providing a reactor after the screw arrangement, adapted to supply heat to the mass in the absence of oxygen by heating the reactor wall; heating the mass to an exit temperature and increasing the pressure to an exit pressure in the screw arrangement; thermally degrading the mass in the reactor. The mass is brought into an extreme condition at the exit temperature and exit pressure by the screw arrangement, such that during the pressure drop pyrolysis occurs, thereby forming gaseous hydrocarbons within the connecting element.

The invention provides a slag ardealite-based solid waste cementing material as well as a preparation method and application thereof, and belongs to the technical field of building materials. The slag ardealite-based solid waste cementing material is prepared from the following raw materials in percentage by mass: 45-55% of slag, 40-50% of ardealite, 0.5-5% of carbide slag and 2-10% of silica fume, the water-cement ratio is 0.35-0.50, the slag, the ardealite, the carbide slag and the silica fume are uniformly mixed, then water is added, stirring is performed to obtain slurry, and the slurry is uniformly mixed to obtain the slag ardealite-based solid waste cementing material. Pouring into a mold, standing, demolding, and carrying out standard curing to obtain the slag ardealite-based solid waste cementing material. According to the invention, two calcium-containing solid wastes of slag and ardealite are used as main raw materials, carbide slag is used as an alkaline activator, silica fume is added to further improve the performance of the solid waste cementing material, the cement has the characteristics of low carbon, low cost, high performance and the like, and environmental and ecological problems caused by accumulation of a large amount of solid waste materials are reduced at the same time.

The utility model discloses a progressive die for a round plug terminal, which relates to the technical field of progressive dies, and adopts the technical scheme that the progressive die is applied to manufacturing of the round plug terminal, and the round plug terminal comprises a connecting part, a wire clamping part and an inserting column part; the progressive die comprises an upper die body and a lower die body, a conveying system used for conveying a material belt is arranged between the upper die body and the lower die body, and the upper die body and the lower die body are provided with a knife edge work station set used for cutting workpieces on the material belt; and the forming work station group comprises a bending work station, an edge rolling work station and a puncturing work station and is used for forming the wire clamping part and the column inserting part. The progressive die has the beneficial effects that the progressive die in the scheme can be used for continuously manufacturing the round plug terminal, and the production efficiency of the round plug terminal is well improved. By arranging the scrap bouncing prevention structure at the plug end blanking station, waste bouncing can be effectively avoided, and therefore it is guaranteed that follow-up machining is not affected.

The invention discloses a mixing and feeding electric control system with a liquid level sensing function, and relates to the field of control systems. An adaptive parameter configuration module; a multi-stage gradient stirring module; a real-time data twinning processing module; a remote cooperative monitoring module; a fault linkage processing module; and an energy-saving closed-loop control module. According to the system, the material characteristic pre-detection module is combined with the water content-viscosity-medicament dosage three-dimensional mapping table and the viscosity-rotating speed mapping table, so that real-time scanning and parameter quantitative matching of the granularity, the water content and the viscosity of the industrial waste are realized; according to the scheme, the stirring sufficiency of the high-viscosity industrial sludge is improved, the energy consumption of the low-viscosity material is reduced, the dosage of the medicament is automatically matched according to the three-dimensional mapping table, the utilization rate of the curing agent is improved, and the core problems of stirring waste and insufficient stirring are fundamentally solved.

The utility model relates to an extruder with a vacuum waste material removing device. The extruder comprises a machine barrel and the vacuum waste material removing device, wherein the vacuum waste material removing device is mounted on a machine barrel and comprises a vacuum connecting seat, a gland, a cylinder seat plate, a vacuum guide column, a sealing assembly and a vacuum cylinder; the connecting base is installed above the machine barrel, the gland is installed on the top of the vacuum connecting base, the air cylinder base plate is arranged above the gland, one end of the vacuum guide column is connected with the air cylinder base plate, and the other end of the vacuum guide column sequentially penetrates through the gland and the vacuum connecting base, extends into the machine barrel and abuts against the screw rod. The vacuum cylinder is mounted on the cylinder seat plate; and a cylinder piston rod is connected with the gland. The vacuum guide pillar provided by the utility model is integrally designed, is simple to disassemble and convenient to maintain and clean regularly, and meanwhile, by arranging the sealing assembly, the sealing effect between the vacuum guide pillar and the gland is improved.

The invention provides a full-automatic taking, placing and selecting integrated intelligent plate laser cutting production line, belongs to the technical field of laser cutting, and solves the problems that existing laser cutting equipment is poor in positioning effect, low in laser cutting freedom degree, lack of waste material sorting and the like. Comprising a carrying platform mechanism, a sorting and picking mechanism, two waste box transferring mechanisms, a machining platform mechanism, a plate moving mechanism, a separating and feeding mechanism, a multi-axis laser tool bit mechanism, a dust collection, sorting and waste discharge assembly and a waste plate moving-out mechanism, and the two waste box transferring mechanisms are located on the front side and the rear side of the dust collection, sorting and waste discharge assembly correspondingly; a finished product bearing tray or two finished product crawler machines are arranged below the carrying platform mechanism, and jacking positioning mechanisms and positioning electric push rods are arranged on the right rear portion of the waste plate moving-out mechanism and the right rear portion of the machining platform mechanism. According to the multi-axis cutting device, multiple times of positioning, multi-axis accurate cutting and chipping and smoke suction can be conducted on plates, multiple times of classification and transfer can be conducted on waste, and finished products can be quickly sorted, picked and output in a classified mode.

The invention provides a vehicle interior laser cutting machine tool, and relates to the technical field of laser cutting machine tools, the vehicle interior laser cutting machine tool comprises a cutting table and a laser cutting head, the middle of the cutting table is hollow, a drawer type waste tray is movably inserted in the cutting table, one end of the cutting table is fixedly provided with a dust collector, and the other end of the cutting table is fixedly provided with an air blowing pump; shunting seats are fixedly mounted on the two sides of the cutting table, a plurality of dust collection holes are formed in the two side walls in the cutting table at equal intervals, cavities used for collecting dust are formed in the two side walls in the cutting table, and the output end of the dust collector is fixedly communicated with the two cavities in the cutting table; the adjusting assembly is installed at the top of the cutting table and used for adjusting the position of the laser cutting head, and the bearing sets are installed on the cutting table at equal intervals and used for containing the vehicle interior trim panel. According to the laser cutting machine tool, the sealing windshield is driven to be opened and closed through the rollers in the adjusting assembly, the purpose of air duct follow-up switching is achieved, and the laser cutting machine tool has the excellent cleaning capacity for kerfs of a to-be-cut piece.

The invention relates to the technical field of artificial intelligence, in particular to an AI-based solid waste material high-added-value product design method and system. The method comprises the following steps: collecting physical property data of the solid waste aggregate; generating an aggregate grading scheme according to the physical performance data of the solid waste aggregate to obtain aggregate grading scheme data; acquiring historical aggregate grading scheme data, and performing adversarial training according to the aggregate grading scheme data and the historical aggregate grading scheme data to obtain an aggregate grading scheme adversarial model; and performing target grading optimization according to the aggregate grading scheme confrontation model to obtain aggregate grading scheme optimization data. According to the method, efficient and accurate intelligent grading optimization of the solid waste aggregate is realized, the calculation efficiency, the optimization precision and the engineering adaptability are improved, and high-added-value utilization of solid waste resources is promoted.

The invention provides a mineralization grouting method for reinforcing sequestration of carbon dioxide, and belongs to the technical field of underground goaf grouting filling, the working process comprises the steps that supercritical CO2, micro-nano filler and calcium-containing solid waste are jointly mixed and mixed into slurry, the slurry is injected into a goaf, part of CO2 is turned into a gaseous state to escape in the state of being lower than the supercritical pressure of CO2, and then the CO2 is discharged; bubble cores are formed on the surface of the micro-nano filler, and uniformly distributed micropores are formed in a stone body after the slurry is solidified. Due to the fact that the micropores can seal gaseous CO2, the carbon sequestration amount of the slurry per cubic meter can reach 150-350 kg, and the carbon sequestration capacity of the slurry is higher than the carbon sequestration capacity of a common grouting material. The technological method is easy to operate, supercritical CO2 reacts with the slurry, a large amount of CO2 in the shallow goaf is stored, the solid waste material is used for grouting, meanwhile, the carbon sequestration amount of the slurry is increased, and the grouting cost is saved.

The invention discloses a totally-closed exchange platform laser cutting machine and a using method, and belongs to the technical field of cutting machines, the totally-closed exchange platform laser cutting machine comprises a cutting machine tool body, a cross beam horizontally moving in the length direction of the cutting machine tool body, a laser cutting head installed on the side edge of the cross beam, and a protective shell fixed to the end of the cutting machine tool body and used for protecting a cutting area. Liftable universal balls are arranged between the ends of the adjacent sawtooth plates and are used in cooperation with a lifting mechanism composed of a supporting frame, a first rack, a rotating shaft, a first gear, a second rack, a hollow box, a sliding rod and a first spring, so that after a plate is cut and moved to the position of the end plate, the universal balls can be automatically controlled to ascend, and the plate cutting efficiency is improved. According to the feeding device, the cut plates are jacked up, separation of workpieces and waste materials is facilitated, the plates can be supported in the feeding process, in addition, position adjustment is conducted in cooperation with the centering and correcting mechanism, and the precision of the plates in the placing process is guaranteed.

The injection mold comprises a movable mold body and a fixed mold body which are arranged, a lifting plate is connected to the interior of a containing groove through a driving assembly, a cutter used for cutting accumulated materials in an injection groove is arranged on the lifting plate, and a moving rod is driven by gas in a driving air cylinder; an auxiliary assembly is arranged in the movable mold, a conveying bag is arranged on the auxiliary assembly, the output end of the conveying bag is connected with an air blowing assembly, and a vibration assembly is arranged in the storage groove. According to the injection mold capable of recycling the plastic waste, accumulated materials in an injection groove in the injection nozzle are separated from a formed part in the fixed mold through a cutter on the lifting plate, the overall structure is simple, the problem that maintenance is inconvenient due to the arrangement of a complex structure is solved, and the problem that the adaptability of the mold is reduced due to the arrangement of a large structure is solved; and through cooperation of the vibration assembly and the air blowing assembly, accumulated materials in the injection groove can be thoroughly cleaned, and the cost problem of secondary treatment is reduced.

The invention discloses a laser cutting device, and relates to the technical field of laser cutting, the laser cutting device comprises a mounting rack, a laser cutting assembly used for movable cutting is mounted on the top side of the mounting rack, a sword grid frame used for placing a cutting piece is arranged on the bottom side of the laser cutting assembly, and a waste collecting groove used for collecting cutting waste is formed in the bottom side of the sword grid frame; according to the laser cutting device, through the arrangement of the male plate, the female plate, the steel balls, the inserting block, the scraper, the sliding sleeve and the like, after laser cutting is completed, in the process that the inserting block drives the male plate and the female plate to rotate reversely, a cutting piece is placed on the steel balls after being supported by the L-shaped supporting frame, and the cutting piece is placed on the sliding sleeve; the cutting piece is convenient to move and take, the surface of the cutting piece is prevented from being scratched, molten slag attached to the side faces and the sword peaks of the male plate and the female plate in the rotating process of the male plate and the female plate is automatically cleaned, and the use convenience of the device is further improved.

The invention provides a composite solid waste-based cementing material and application thereof, the composite solid waste-based cementing material comprises 93-97 parts of industrial solid waste micro powder, 3-7 parts of an inorganic additive and 2-5 parts of an organic additive, and the invention further provides a preparation method of the composite solid waste-based cementing material. According to the solid waste-based cementing material provided by the invention, the hydration potential of all components in the solid waste-based cementing material is accelerated through the organic-inorganic composite admixture, the mechanical property and toughness of the solid waste-based cementing material are synergistically enhanced, the phenomena of falling off and falling off after molding are reduced, and the solid waste-based cementing material has important significance on the development of the solid waste recycling industry.

The invention relates to the field of numerical control machine tools, in particular to a multi-layer chain type tool magazine which comprises a chain type tool storage bin, a forward and reverse rotation motor, a collecting box, a positioning assembly, a heat dissipation assembly and a cleaning assembly. The positive and negative rotation motor is coaxially connected with a positioning assembly which keeps tool changing stable and accurate, the positioning assembly is installed in the chain type tool storage bin and connected with the chain type tool storage bin, and a heat dissipation assembly for heat dissipation and lubrication is installed on the positioning assembly. A cleaning assembly used for cleaning a replaced cutter and assisting in accurate positioning of the cutter is installed above the heat dissipation assembly, a collecting box used for collecting waste liquid and waste materials is rotationally installed between the forward and reverse rotation motor and the chain type cutter storage bin, and the heat dissipation assembly and the cleaning assembly are matched through different rotating directions of the positioning assembly. The problem of inaccurate positioning is solved, and meanwhile the service life of the cutter and the chain type cutter storage bin is prolonged.

The invention discloses a method for selectively extracting rubidium from lithium ore tailings in a short process, and relates to the field of comprehensive utilization of mineral waste. The method comprises the following steps: grinding the lithium ore tailings into powder; adding an additive into the lithium ore tailing powder, and fully stirring and mixing; roasting the mixture to obtain a calcined clinker; directly carrying out water leaching on the calcined clinker; rubidium enrichment liquid and leaching residues are obtained from the leaching liquid through solid-liquid separation; the rubidium extraction composite material is mixed with rubidium enrichment liquid, and selective adsorption of rubidium is achieved; and recycling the composite material, and the like. According to the method, efficient selective recovery of rubidium in the lithium ore tailings is achieved, the water leaching time is shortened, the water leaching temperature and the rubidium extraction roasting reaction temperature are reduced, the separation efficiency of impurities in the lithium ore tailings and the selective recovery efficiency of the rubidium element are remarkably improved, and efficient selective recovery of rubidium in the lithium ore tailings is achieved.

The invention discloses a device and a process for recycling perchlorate in fireworks and crackers waste, the process comprises the steps of first-stage washing, first-stage solid-liquid separation, concentration, second-stage washing, second-stage solid-liquid separation and crystallization, the separation, recovery and resource utilization of the perchlorate, aluminum powder and other substances in solid waste can be realized, meanwhile, the waste residue is subjected to innocent treatment, and the recycling of the perchlorate in the fireworks and crackers is realized. The pollution to the environment is reduced; and in the crystallization step, a low-temperature evaporation space is divided into a plurality of units, and the negative effects of overhigh evaporation temperature and sudden temperature increase of perchlorate can be effectively avoided in a manner of changing positions of the cells.

The invention discloses a waste gas adsorption resin waste recovery device which comprises a support, a recovery cylinder is installed on the support, a flow guide plate is fixed in a screen cylinder, when the screen cylinder drives the flow guide plate to rotate, resin in the screen cylinder can be conveyed to the position between two rotating cylinders, the two rotating cylinders rotate relatively to drive a crushing tool bit to rotate, and the crushing tool bit is driven to rotate. The rotating crushing tool bits can circularly crush the resin, the two crushing tool bits can be driven to extend towards the outside of the rotating cylinders, and the gap between the crushing tool bits on the two rotating cylinders is reduced, so that the particle size of crushed particles of the resin is reduced. Only one power source is needed, energy consumption and maintenance cost are reduced, resin waste can be efficiently crushed, multi-stage crushing is not needed, the crushing tool bits in use can be cooled, the service life is prolonged, the screening drum is effectively prevented from being blocked, the screening efficiency of crushed resin is guaranteed, the distance between the crushing tool bits can be adjusted, and the particle size of resin particles is controlled; the stable quality of the recovered resin is ensured.

The invention relates to the technical field of pipeline solid waste material treatment, in particular to a pipeline solid waste grading crusher and a material recycling method thereof.The pipeline solid waste grading crusher comprises an outer shell with the bottom face provided with a supporting base, a first feeding frame and a second feeding frame, and the first feeding frame and the second feeding frame are sequentially installed above the outer shell from front to back; and a first-stage crushing assembly and a second-stage crushing assembly are sequentially installed in the outer shell from top to bottom, a moving ring is connected to the interior of the left side of a second feeding frame through a connecting control mechanism, a cross frame body is installed in the moving ring, and cutter assemblies used for preliminary slitting are symmetrically fixed to the right side face of the cross frame body. According to the pipeline solid waste grading crusher and the material recycling method thereof, aged or damaged hard plastic pipelines can be conveniently and preliminarily cleaned, and the situation that the crushing efficiency and quality are affected by impurities such as sludge is avoided, so that the crushing and recycling efficiency and quality of the plastic pipelines can be improved, and plastic particles obtained after crushing are conveniently recycled and reused in the later period.

The invention relates to the technical field of non-metal waste treatment, in particular to recycling equipment for plastic defective products. In order to solve the problem that when a pipe rolls during crushing, the residence time of materials in a crushing cavity is prolonged, and the crushing efficiency is low. Comprising a bottom frame, a crushing shell is fixedly connected to the bottom frame, a connecting and guiding shell is fixedly connected to the crushing shell, a crushing roller set is arranged in the crushing shell, a motor is fixedly connected to the bottom frame, transmission is conducted between an output shaft of the motor and the crushing roller set through a belt wheel and a belt, extrusion rollers distributed in a mirror image mode are rotationally connected to the crushing shell, and the extrusion rollers are connected to the crushing shell. And the extrusion rollers in mirror image distribution are in transmission through a gear set. According to the pipe crushing device, a pipe is pre-compressed in advance through the extrusion rollers when the pipe is crushed, a cylindrical pipe is compressed into an elliptic cylindrical pipe, then vertical feeding crushing is conducted, the rolling probability of the pipe during crushing is reduced, and the crushing efficiency of the pipe is improved.

The invention belongs to the technical field of powder metallurgy production, and discloses a silver tungsten carbide graphite waste recovery treatment device and method.The silver tungsten carbide graphite waste recovery treatment device comprises a treatment box, a conveying module is arranged on the outer wall of the treatment box, a discharging port is formed in the outer wall of the treatment box, and smashing rollers are arranged on the inner wall of the treatment box; a downward pressing mechanism is arranged on the inner wall of the treatment box, a shielding mechanism is arranged on the outer wall of the treatment box, and a screening mechanism is arranged on the outer wall of the treatment box; the screening mechanism comprises a motor, an output shaft of the motor is fixedly connected with a chain wheel A, and the outer wall of the chain wheel A is in transmission connection with a chain wheel B through a chain; through cooperation of the motor and the trapezoidal block, waste materials crushed by the crushing roller can fall on the screen, and the waste materials can be stacked more uniformly through continuous movement of the moving frame and the screen, so that the problem that the screening efficiency is affected due to the fact that the waste materials fall on the screen and then are stacked at one position is avoided.

The invention provides a thermal compounding device which comprises a bearing platform, a positive plate positioning device is arranged on one side of the top surface of the bearing platform, a temporary storage platform is arranged on one side of the positive plate positioning device, a material taking manipulator is arranged on one side of the temporary storage platform, and a flat pressing thermal compounding device is arranged on one side of the material taking manipulator. An ultrasonic dust removal device is arranged among the cache platform, the material taking manipulator and the flat-pressing thermal compounding device, a temperature and pressure sensor is arranged on one side of the flat-pressing thermal compounding device, a laser photographing and cutting platform is arranged on one side of the temperature and pressure sensor, and a parallel material clamping belt is arranged between the flat-pressing thermal compounding device and the laser photographing and cutting platform; the invention has the beneficial effects that the flat pressing type thermal composite structure that the upper and lower soft flat plates are used for hot-pressing and adhering the upper and lower diaphragms to the front and back surfaces of the positive plate is adopted, so that the defects of pole piece dislocation, material belt distortion, pause pole piece scrapping and the like caused by adopting a double-roller mode in the same row are effectively overcome, and the failure rate of equipment can be effectively reduced; and waste materials are reduced, the cost is saved, and the production efficiency and the yield are improved.

The invention discloses a center positioning clamp for optical lens polishing, and relates to the technical field of optical lens machining, the center positioning clamp comprises an example workbench, a controller, an electric control air cylinder and a micro servo motor, the electric control air cylinder and the micro servo motor are arranged above the example workbench, and the electric control air cylinder and the micro servo motor are both controllably connected to the controller; through the arrangement of an arc-shaped plate and a wiping layer, grinding fluid and lens waste particles adhering to the clamping blocks in the clamping and grinding process are wiped, and therefore it is guaranteed that the clamping faces of the clamping blocks are dry and clean, and the clamping stability of the next time is guaranteed; in addition, the risk that the lens is damaged during processing due to the fact that uneven particles adhere to the surface of the clamping tool can be avoided, the loss rate of lens processing is further reduced, meanwhile, the workload of manually cleaning the clamping tool is reduced, and in addition, through the arrangement that the wiping layer ascends to automatically replace rolling, the production efficiency is improved. And the wiping layer is further ensured to be in a clean state during wiping each time.

A solid waste-based reinforced ceramic tile adhesive and a preparation method therefor. The solid waste-based reinforced ceramic tile adhesive comprises 17-22% of polyacrylamide modified solid waste residue powder, 3-7% of cement, 7-12% of tailing micro powder, 55-65% of graded tailing sand and 8-13% of a tensile adhesive. By limiting the raw material components and content of the tensile adhesive, the tensile adhesive strength of the solid waste-based adhesive with different substrates and the construction performance thereof can be ensured; and the solid waste residue powder is modified by using a very small amount of low-molecular-weight polyacrylamide, such that the stability of the system can be significantly improved, and the comprehensive performance of the solid waste-based ceramic tile adhesive can be enhanced. The solid waste-based reinforced ceramic tile adhesive comprises 90 wt% or more of solid wastes. By limiting the components and contents of each raw material, all components can act synergistically, so that the solid waste-based reinforced ceramic tile adhesive can replace traditional cementing materials such as cement, which greatly reduces the cost, realizes the comprehensive utilization of industrial solid waste materials, and has significant advantages such as saving on energy, having environmental protection and being low carbon.

The invention relates to the field of treatment and resource utilization of high-carbon-content materials, in particular to a method for preparing graphene at high temperature through electric pulses. The method comprises the following steps: mixing a non-graphitized carbon material and a conductive carbon material to obtain a mixture; pulse current is applied to the mixture, so that the temperature of the mixture is increased to 2000-3000 DEG C, and the mixture subjected to electric heat treatment is obtained; and carrying out cooling treatment on the mixture subjected to the electric heat treatment to obtain the graphene, wherein the carbon content in the non-graphitized carbon material is greater than or equal to 50wt%; the heating rate is 103-104 DEG C / s. According to the method, the carbon atom conversion rate is remarkably increased, the graphene preparation cost is greatly reduced, and meanwhile, the environmental problem caused by a traditional incineration or landfill mode is solved through high value-added utilization of the high-carbon-content waste. Compared with a traditional graphene preparation method, low-cost, high-quality and green preparation of graphene is achieved, the method is suitable for high-valued treatment of various high polymer materials and industrial waste, and a new technical path is provided for large-scale preparation and application of graphene.

Interlocking construction blocks of a type that can be used as part of a system for building various structures, such as walls. An individual block provides positive intermeshing with other blocks abutting thereto and positive interlocking with other blocks stacked thereon, forming a joint that allows the abutting blocks to be held together without the need for mortar. Interlocked blocks are capable of providing a barrier against horizontal water seepage along the joints from one side of the interlocked blocks to the opposite side. The blocks provide a relatively light-weight structural unit while still providing good structural strength against horizontal and vertical loads. The blocks may be formed at least partly of recycled waste material(s) and / or may themselves be made of materials that can be easily recycled, thereby providing an environmentally friendly construction material that may have a reduced carbon footprint compared to other construction block systems.

A system for removing debris from an agricultural harvester includes a flow splitter supported relative to an outlet of a chopper assembly of the harvester such that the flow splitter at least partially extends within a stream of processed crop material discharged from the chopper assembly. The flow splitter is configured to divide the stream of processed crop material into separate crop material flows for receipt within an extraction chamber of the agricultural harvester.

The invention belongs to the field of layout optimization of special-shaped parts, and particularly discloses a template-stacked multi-plate layout optimization method and system for special-shaped parts, and the method comprises the steps: solving a template set with the optimal fitness through employing a genetic algorithm, and achieving the multi-plate layout optimization of the special-shaped parts; when the initial solution space of the genetic algorithm is obtained, the principle of large part area priority is adopted, large parts are firstly arranged, the occupation condition of a large area on a plate can be determined, when small parts are subsequently arranged, the residual irregular space between the large parts can be more accurately utilized, gaps can be filled, and therefore the waste area on the plate is reduced; meanwhile, the plate utilization rate serves as a constraint condition, all generated solutions are required to be feasible solutions meeting the utilization rate requirement, iterative optimization of the production efficiency is carried out on the basis, and the search process is effectively simplified. According to the method, the number of types of templates can be minimized while the threshold value of the material utilization rate is met, and the production efficiency is improved.

The invention relates to the technical field of comprehensive utilization of solid waste materials, and particularly provides a circulating fluidized bed ash-based all-solid waste cementing material and a preparation method thereof. The cementing material is prepared from the following components in parts by mass: 25 to 55 parts of granulated blast furnace slag, 5 to 25 parts of CFB fly ash and 25 to 65 parts of CFB slag, an exciting agent accounting for 0-5% of the basic component is doped; the specific surface area of the cementing material is not less than 600m < 2 > / kg. Through solid waste compounding, physical grinding and chemical excitation, it is ensured that the solid waste cementing material has high cementing activity and strength; the main raw materials are industrial solid wastes, and the product can replace cement to be used for preparing concrete, prefabricated parts and the like, so that the utilization rate of the solid wastes is increased, the ecological environment problem caused by stockpiling is reduced, and the requirement of green building development in the future is met.

The invention provides efficient integrated machining equipment for automobile hubs, and relates to the technical field of hub machining, the efficient integrated machining equipment comprises a turning numerical control table, a hydraulic expansion mandrel, a turning assembly and a turning rack, the turning numerical control table is fixedly installed at the side end of the turning rack, the hydraulic expansion mandrel is fixedly installed on the turning numerical control table, and the hydraulic expansion mandrel is fixedly installed on the turning rack. The turning assembly is fixedly installed on the turning machine frame, a recycling mechanism for recycling waste liquid is arranged on the turning machine frame, a processing mechanism for processing the waste liquid is arranged on the turning machine frame, and the recycling mechanism comprises a turning protective cover, a cooling spray head and a V-shaped guide plate. According to the device, the V-shaped guide plate, the coarse separation box, the stainless steel wire net, the recycling box, the filtering layer and the scrap box are matched, and functional modules such as waste liquid diversion recycling, preliminary separation, metal scrap adsorption, scraping and collection, waste liquid fine filtering and waste scrap temporary storage are compactly integrated on turning equipment; and extra arrangement of a huge and dispersed external system for waste treatment is avoided.