3996 results about "Waste recycling" patented technology

The invention discloses an intelligent welding forming method and system for a green building steel heating radiator, and the method comprises the following steps: carrying out the surface defect recognition of a steel heating radiator base material based on an AI visual inspection system, recognizing a qualified base material, and automatically matching the type of a welding material from a material database according to the material and thickness parameters of the qualified base material. Welding parameters are intelligently matched through AI visual inspection and a neural network model, a laser and friction stir hybrid welding process is combined, traditional manual operation is replaced, the welding efficiency and precision are improved, and the problems of uneven welding seams and the like are solved; welding data are analyzed in real time through a multi-mode AI model, parameters are dynamically adjusted, intelligent defect recognition and repair welding are achieved in cooperation with 3D visual inspection, and the quality stability is improved through whole-process monitoring; smoke dust is treated through an environment-friendly process, acid pickling is replaced with mechanical rust removal, efficient recycling of materials is achieved through waste recycling, a green manufacturing system is constructed, and the sustainable development requirement of green buildings is met.

The invention relates to the technical field of solid waste monitoring and management, in particular to a full-life-cycle management method and system for solid waste. The method comprises the following steps: collecting waste source monitoring data based on a sensor, performing distributed storage management according to the waste source monitoring data, and constructing a solid waste real-time management database; according to the solid waste real-time management database, waste recovery types are predicted one by one, dynamic sorting control treatment is carried out, and therefore a dynamic solid waste sorting strategy is generated; obtaining a solid waste recovery processing log; carrying out urban garbage disposal recycle bin node identification on the solid waste recycling log, and constructing an urban recycle bin distribution map; and identifying positioning information of each waste source according to the waste source monitoring data, and making a dynamic solid waste transportation decision based on the distribution map of the urban recycle bin to generate a dynamic solid waste transportation strategy. According to the invention, the solid waste recovery efficiency and real-time monitoring management are improved.

The invention discloses an intelligent field management system based on an Internet of Things platform, and relates to the technical field of Internet of Things, and the intelligent field management system comprises a multi-source data fusion and analysis module, a waste recovery and resource utilization module, a knowledge graph and question and answer module, and a self-adaptive decision and regulation module. The multi-source data fusion and analysis module comprises a data acquisition sub-module and a data analysis and preprocessing sub-module; the data acquisition sub-module comprises a multi-source heterogeneous data acquisition unit and a real-time dynamic data acquisition unit; the multi-source heterogeneous data acquisition unit uses a wireless sensing technology, a GPS positioning technology, a sensor calibration algorithm and a data interpolation algorithm to acquire meteorological, soil, crop physiology and biological field data. By arranging the multi-source data fusion and analysis module, the problems that traditional agricultural data is difficult to obtain and not deep in analysis, precision agricultural development is difficult to support, and agricultural resources are wasted and crop yield and quality are unstable due to data quality problems can be solved.

The invention provides a coal gangue organic fertilizer and a preparation method thereof, and belongs to the technical field of fertilizers. The coal gangue organic fertilizer is prepared by uniformly mixing modified coal gangue, forestry and agricultural residues and a microbial agent, performing high-temperature aerobic composting and aging. Organic components of the coal gangue and nutrient elements such as nitrogen, phosphorus, potassium, calcium and the like required by plant growth are fully utilized, the carrier effect of the coal gangue is also played, and the coal gangue organic fertilizer prepared from the modified coal gangue has a relatively high decomposition degree and is greatly beneficial to seed growth. According to the invention, on one hand, the problems of large stockpiling land occupation and environmental pollution of coal gangue, forestry and agricultural residues and other solid wastes are relieved, and on the other hand, the prepared organic fertilizer can turn waste into wealth and realize solid waste recycling.

The invention relates to the field of waste recovery monitoring, in particular to a full-period recovery monitoring method and system for waste paper products. The method comprises the following steps: acquiring a multi-angle real-time monitoring image of a to-be-treated waste paper product pile; local brightness enhancement processing is carried out on the multi-angle real-time monitoring image, panoramic image reconstruction is carried out, and a waste paper pile panoramic image model is constructed; waste paper feature classification is carried out on the waste paper pile panoramic image model, an RFID electronic code is generated, and waste paper pile real-time monitoring parameters are obtained; carrying out real-time positioning and tracking according to the real-time monitoring parameters of the waste paper pile, and carrying out current transportation path analysis so as to generate a current transportation path of the waste paper pile; obtaining a waste paper product operation log; and performing dynamic transportation track mapping according to the waste paper product operation log and the current transportation path of the waste paper pile, and constructing a transportation track site map. According to the invention, the recovery efficiency of waste paper products and real-time recovery state monitoring are improved.

The invention relates to the technical field of mechanical part punching, in particular to a beam frame type automatic punching machine applied to photovoltaic frame machining, which comprises a public bottom plate, and a punching machine feeding mechanism, a punching mechanism, a waste recycling mechanism, a punching machine discharging mechanism and a discharging interval conveying mechanism are arranged on the public bottom plate; a feeding gripper in the punching machine feeding mechanism turns over a product by 90 degrees and conveys the product into the punching mechanism, and a discharging gripper in the punching machine discharging mechanism drives the product to rapidly avoid a punching machine base in a C-shaped track and then move into the discharging interval conveying mechanism. The overall structural design is ingenious, the punching machine is assembled in an up-and-down and left-and-right stacking mechanism mode, the equipment layout occupied size is small, transportation is convenient, the flow direction of photovoltaic frame products is improved, the defects that a traditional punching machine cannot automatically load and unload materials, and the production rhythm is slow are overcome, and the production efficiency is improved. And the stamping and transferring efficiency of the photovoltaic frame is improved.

The present invention provides a device and method for the resource utilization of urban waste incineration slag, which relates to the technical field of slag waste recycling. The device for the resource utilization of urban waste incineration slag includes an equipment frame and a crusher installed on the equipment frame. It further includes a flow and precipitation component, a water addition component, and a resource recovery component installed on the equipment frame. The crusher transfers the crushed slag to the water addition component. The water addition component is used to add water to the ash slag and make it flow into the flow and precipitation component. After operation and precipitation, it is then discharged onto the resource recovery component. It also includes multiple groups of stirring components for stirring the slurry in the flow and precipitation component. The device and method for the resource utilization of urban waste incineration slag, by setting the flow and precipitation component, can obtain precipitation within the operation time compared with a fixed sedimentation tank, and can be flipped and dumped, and flushed with high-pressure water, making it easier to clean the internal slurry and preventing blockage.

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 technical field of solid waste recycling, in particular to a method for preparing ceramsite through multi-element solid waste co-treatment. The method comprises the following steps: S1, uniformly stirring and mixing waterworks sludge, washing-free waste incineration fly ash, polluted soil and iron tailing slag powder in proportion to obtain a stirred mixture; s2, directly putting the stirred mixture which is uniformly mixed and is in a wet state into a ceramsite drying and granulating kiln, and granulating in the kiln to obtain raw material balls; s3, the raw material balls enter a pyrolysis section in the kiln to be subjected to low-temperature pyrolysis treatment; s4, the pyrolyzed raw material balls enter a calcining kiln to be subjected to high-temperature sintering treatment; and S5, passing the obtained sample through a cooling kiln, and taking out the cooled sample to obtain the multi-element solid waste ceramsite. According to the method, pure solid waste is adopted for preparing the ceramsite, and the links of raw material drying and granulation in traditional ceramsite manufacturing are omitted. The sludge of the waterworks, the waste incineration fly ash, the polluted soil and the iron tailing slag are utilized in a high-valued manner, the energy consumption is low, and less secondary environmental pollutants are generated.

Waste collection and processing systems for use in low-gravity environments include a toilet having a bowl and a lid; a waste tank having an inlet and an outlet, with the bowl fluidly coupled to the inlet of the waste tank; a first valve arranged between the bowl and the waste tank and selectively operable to allow fluid connection between the bowl and the waste tank; a second valve arranged at a first outlet of the waste tank and selectively operable to allow for solid waste and liquid waste within the waste tank to be directed to a waste outlet; and a third valve arranged at a second outlet of the waste tank and selectively operable to allow for gases to be removed from the waste tank and directed to at least one of an occupied space, an external environment, or a waste reclamation system.

The invention relates to the technical field of mine solid waste treatment and carbon dioxide sealing and storage, and particularly discloses a system and a method for sealing and storing carbon dioxide by utilizing coal-based solid waste and mine water to prepare slurry. The system comprises a cement bin, a gangue bin, a coal ash bin, a gasified slag bin, a mine water storage tank, a stirring reaction kettle, a carbon dioxide storage tank, a slurry temporary storage tank, a vacuum pump and a slurry pump, and the stability and adsorption efficiency of carbon dioxide fixation are improved in the mode that coal-based solid waste, mine water and carbon dioxide are subjected to chemical reaction and physical adsorption; meanwhile, the prepared backfill slurry has high-strength anti-pressure ability, the stability of the backfilled underground goaf is better improved, further, coal-based solid waste and mine water are utilized for waste recycling, and the carbon dioxide storage cost is reduced.

The present invention relates to the technical field of metal waste treatment, and discloses a metal solid waste recycling and treatment device, including a treatment box shell, a drive motor is arranged on the left side thereof, and the output end of the drive motor is connected to a crushing roller through a rotating shaft, a fixed bracket is fixedly installed at the lower end of the treatment box shell; a first gear and a second gear are rotatably arranged on the right side of the treatment box shell, and a fixed plate is installed at the upper end of the treatment box shell. The metal solid waste recycling and treatment device can discharge metal waste through a discharge plate to ensure safety during use, and can flush the inside of the device through the rotation of a spray plate, and can convey the crushed scrap metal through a linkage structure to link the conveyor belt to rotate, and can clean the conveyor belt through a cleaning plate, and then clean the cleaned conveyor belt and absorb water stains through a flushing component, and can absorb materials such as iron, cobalt, and nickel in the crushed metal through the linkage rotation of an annular magnet.

The invention relates to the field of plastic separation and recovery, in particular to a waste recovery device for plastic particle production. The device comprises a rack, a discharging hopper, a plastic separation box, a rotating piece and an electromagnet adsorption mechanism. The plastic separating box is arranged on the rack and comprises a feeding cylinder part, a separating box part, a screening box part, an iron collecting box part and a discharging cylinder part which are integrally connected. The rotating part is rotationally arranged on the separation box part, and a plurality of adsorption grooves uniformly distributed around a central shaft are formed in the outer side; the electromagnet adsorption mechanism produces magnetic attraction force in the cavity, when the rotating piece rotates, the electromagnet adsorption mechanism adsorbs iron materials in the materials into the adsorption groove through the rotating piece, plastics in the materials fall into the screening box part, and when the adsorption groove rotates to face the communicating position of the iron collecting box part and the separating box part, the adsorption groove area loses the magnetic attraction force. And the iron material in the adsorption tank falls into the iron collection box part. According to the device, doped iron materials can be separated out, so that the plastic separation and recovery quality is guaranteed.

The invention discloses a power distribution network transformer carbon footprint analysis method based on life cycle evaluation, which is based on a life cycle evaluation method, takes a transformer with the capacity of 200kVA as an example, calculates the carbon emission and the total energy demand of the whole life cycle, and further analyzes the carbon emission in each stage. Research finds that the carbon emission with the highest proportion is the operation stage and accounts for 99.03% of the whole life cycle, the waste recovery stage effectively reduces the influence of the carbon emission on the environment, the technology in the production and manufacturing process is improved, more energy-saving and efficient devices are adopted, and the carbon emission can be effectively reduced. Sensitivity analysis shows that the silicon steel sheets have obvious influence on carbon emission in the life cycle of the power distribution network transformer, and the higher the silicon steel sheets are, the lower the carbon emission is.

The invention discloses waste reutilization equipment for silicone adhesive packaging film production, and relates to the technical field of plastic waste recovery treatment, the waste reutilization equipment comprises a melting tank and a heating module mounted on the melting tank, and further comprises a partition plate; the stirring mechanism comprises a main shaft and a plurality of material mixing assemblies, and each material mixing assembly comprises a plurality of stirring blades; the material control mechanism comprises a material guide plate mounted outside the plurality of stirring blades, a plurality of through grooves formed in the material guide plate, two scraping plates mounted in the through grooves, two cutting assemblies mounted in the through grooves and a linkage assembly used for driving the scraping plates to rotate; the scraping plate is driven to move towards the edge direction of the partition plate along with the material guide plate, packaging film waste materials with different melting degrees on the surfaces of the stirring blades are scraped away, and the packaging film waste materials which are not completely molten are easily attached to the outer portions of the stirring blades, so that the waste materials are easily carried to move towards the heating module; and the part of waste enters a high-temperature area close to the heating module, and melting of the part of waste is accelerated.

The invention belongs to the technical field of waste recycling, and discloses a textile fiber waste separating and recycling device and a recycling method.The textile fiber waste separating and recycling device comprises a recycling box, a feeding opening is fixedly formed in the top end of the recycling box, a crushing assembly is arranged below the feeding opening, and a separating assembly is arranged in the recycling box; when textile fiber waste is separated and recycled, firstly, the textile fiber waste is crushed through a crushing roller, the crushed waste falls to the top end of a material guide plate and finally moves into a first collecting box to be collected, meanwhile, negative pressure is formed in the recycling box through starting of a fan, and the waste with low density in the crushed waste is sucked away; and finally, after being blocked by the filter plate, the waste downwards falls into the second collecting box to be collected, the waste is separately collected through the first collecting box and the second collecting box, and the separation efficiency of the textile fiber waste is improved.

The invention relates to an automatic pole piece waste collecting method for an automatic lithium battery winding machine in the technical field of information, which comprises the following steps of: arranging a vacuum suction nozzle array below a cutting device, connecting the vacuum suction nozzle array to a central vacuum pump, setting proper vacuum degree and suction time according to material characteristics and sizes of cut waste, and collecting the cut waste by a vacuum pump; the cut waste is automatically sucked and conveyed by controlling starting and stopping of the vacuum pump and the suction force. A flow sensor is installed in a vacuum suction pipeline, the speed and pressure of sucked airflow are monitored in real time, whether the suction process is normal or not is judged according to a preset flow curve, and if the abnormal condition of insufficient suction or airflow turbulence occurs, parameters of a vacuum pump are adjusted in time; the method comprises the steps of collecting and analyzing images of sucked waste materials, recognizing and classifying material types and shape features of the waste materials by adopting a convolutional neural network algorithm, and estimating the quantity and weight of the waste materials in combination with suction time and vacuum degree data so as to provide a basis for subsequent waste material recovery and treatment.

The utility model discloses a shaving board waste recovery processing device, which belongs to the technical field of shaving board processing and comprises a processing box, sliding holes are arranged on the front and the back of the processing box, a first filter plate is connected in the sliding holes, a second filter plate is connected in the processing box, and a collecting box is slidably connected in the processing box. According to the shaving board waste recovery treatment device, by arranging a first filter plate, a second filter plate, a collecting box, a fixed crushing cutter, a movable crushing cutter, a gear and toothed bars, when the gear rotates, the two toothed bars and the first filter plate can be controlled to move away from each other, and when the first filter plate moves, strip-shaped objects on the surface of the first filter plate can be pushed to the position of the fixed crushing cutter; when the gear rotates, the rotating shaft and the crushing moving cutter are controlled to rotate, so that the crushing moving cutter crushes the strip-shaped objects, the crushed chippings enter a collecting box through a second filter plate, the chippings and the strip-shaped objects can be separated and crushed, and the probability that the particle size of the crushed chippings is small is reduced.

The invention provides a method for synergistically recovering valuable elements from waste ternary lithium battery black powder and a spent automobile catalyst, and belongs to the technical field of solid waste recycling. The method comprises the following steps: mixing waste ternary lithium battery black powder, a spent automobile catalyst, coke and a slag former, and sequentially pelletizing and smelting to obtain lithium oxide-containing dust, PGMs-nickel cobalt manganese and smelting slag; carrying out magnetic separation on the smelting slag, and merging the secondarily enriched PGMs-nickel-cobalt-manganese alloy into the PGMs-nickel-cobalt-manganese alloy in the step (1); the PGMs-nickel cobalt manganese alloy, a hydrochloric acid solution and a sodium chlorate solution are mixed and then subjected to acidolysis, the obtained mixed solution is subjected to extraction, reverse extraction and precipitation, and recovery of platinum group metal, lithium and nickel cobalt manganese is achieved. The collaborative recovery method is adopted, the recovery rate of the platinum group metal is larger than or equal to 98%, the recovery rate of lithium is larger than 92%, the recovery rate of nickel-cobalt-manganese resources is larger than or equal to 90%, a new trapping agent does not need to be added in the platinum group metal trapping process, and valuable elements are fully applied.

The invention relates to the technical field of rare earth waste recovery, in particular to a rare earth waste recovery process monitoring system and method based on industrial data processing, and the method comprises the steps: importing component composition data and magnetic characteristic data of rare earth waste in a rare earth waste magnetic separation process into a rare earth waste magnetic separation state analysis model; analyzing the magnetic separation state of the rare earth waste in the magnetic separation process of the rare earth waste; importing the equipment state data of the recovery equipment into the recovery equipment processing state analysis model, and analyzing the equipment processing state of the recovery equipment in the rare earth waste magnetic separation process; according to the rare earth waste magnetic separation state analysis result and the equipment treatment state analysis result of the recovery equipment in the rare earth waste magnetic separation process, the magnetic separation treatment benefit of the rare earth waste is evaluated; and according to the magnetic separation treatment benefit evaluation result of the rare earth waste, optimization early warning is conducted on the subsequent recovery process of the rare earth waste. And by analyzing the equipment state and sorting parameters, the rare earth treatment benefit is improved, and the equipment energy consumption cost is reduced.

The invention discloses a civil construction waste crushing and recycling device, and particularly relates to the technical field of waste recycling and transportation, the civil construction waste crushing and recycling device comprises a transportation material channel, a supporting plate, a sliding frame and a positioning synchronous transportation mechanism; the positioning and synchronous conveying mechanism comprises a screw rod, a gear motor, a moving distance sensor, a sleeving block, a conveying box, two frame plates, a pushing electric cylinder, a pushing block, a discharging plate, a pushing electric cylinder, a pushing strip, a linkage strip and a pushing plate. The device further comprises a positioning material separation conveying mechanism and a conveying state processing assembly. By means of the positioning synchronous conveying mechanism, the conveying and stacking conditions of the crushed civil construction waste can be known in time, and the crushed civil construction waste which is stacked ultrahigh can be efficiently conveyed in time, so that the problems that the conveying and stacking conditions of the crushed civil construction waste are difficult to know in time, and the conveying efficiency of the crushed civil construction waste is improved are solved. And the crushed civil construction waste which is accumulated in an over-limit mode is difficult to efficiently transport in time.

The invention belongs to the technical field of comprehensive utilization of industrial solid wastes, and particularly relates to a sawing mud-graphite tailing road base material as well as a preparation method and application thereof. The road base material is prepared by mixing saw mud, graphite tailings, a red mud-based cementing material, a reinforcing agent and water. The sawn mud-graphite tailing road base material is applied to a heavy traffic load road base with the strength requirement of 4.0-6.0 MPa. According to the sawing mud-graphite tailing road base material, all aggregates in a traditional road base material are jointly replaced by sawing mud-graphite tailings, and the red mud-based cementing material is adopted for curing, so that the utilization efficiency of solid waste recycling is greatly improved; and the problems of shortage of sand and gravel resources and high material cost of construction engineering in the road engineering construction process are relieved.

The invention discloses an injection mold based on waste recovery, and relates to the technical field of injection molds for waste recovery, the injection mold based on waste recovery comprises a mold base and a mold extrusion disc, and a sliding groove is formed in the side wall of the mold base. According to the injection mold based on waste recovery, before injection molding, thrust is applied to the shoveling plate through the fixed mold disc, so that the thrust spring is compressed, the shoveling plate is pushed to reset through the elastic force of the thrust spring after the injection molding work is completed, leftover materials existing in a gap between the mold disc and the mold base are shoveled, and the injection molding efficiency is improved. The waste leftover materials can be conveniently collected, and the problems that the leftover materials remain in the gaps of the mold for a long time and are difficult to remove, and the mold cannot be closed easily after being accumulated for a long time are solved. The problem that leftover materials generated by matching gaps in the injection molding process of injection molding products are difficult to remove is solved.

The invention provides an electrostatic separation system, method and device based on the Internet of Things and artificial intelligence, and relates to the technical field of waste recovery and resource regeneration, the system comprises a feeding system, a receiving system, an electrified processing module, an electric field control module, an artificial intelligence optimization system and an Internet of Things system; the Internet of Things system is used for collecting feature data of the materials and operation data of the electrostatic separation system and carrying out data processing and analysis; the artificial intelligence optimization system is used for generating an optimal electric field adjustment instruction and an electrification control strategy according to the received feature data and the operation data; the electrification processing module is used for adjusting an electrification mode and an electrification parameter of the material according to an electrification control strategy; the electric field control module is used for optimizing electric field distribution according to the electric field adjusting instruction; and the material receiving system is used for receiving the materials subjected to electrostatic separation. The system response capability, the sorting precision and the energy efficiency level can be greatly improved, and intelligent optimization and self-adaptive adjustment of the electrostatic sorting process are achieved.

The invention discloses a method for recovering a valuable material from a waste ternary lithium battery, which directly uses a lithium battery inner core as a roasting raw material, simplifies a pretreatment process flow, improves the overall recovery process efficiency, and performs low-temperature reduction roasting by using pyrolysis tail gas generated by pyrolysis of a battery material (the lithium battery inner core) to realize waste reutilization. The organic binder in the organic diaphragm and the positive electrode material can be effectively removed, meanwhile, metal elements in the positive electrode material can be reduced, high-valence metal oxide can be reduced into metal elementary substances, in the subsequent leaching process, use of a reducing agent can be avoided, the metal ion leaching rate in the subsequent water leaching and acid leaching process is increased, and the leaching efficiency is improved. Efficient separation and recovery of lithium, nickel, cobalt, manganese, copper foil, aluminum foil and graphite are realized, and maximization of economic benefits and environmental benefits is realized.

The invention relates to the technical field of sintered ore production, in particular to a multi-process cooperative control method and system of a sintering process. The sintering production level is comprehensively improved. The control method comprises the following steps: uniformly-mixed material replacement control logic: establishing a feed-forward compensation model taking a material ferrous component and a burn-out rate as variables, and adjusting the ratio of fuel to a flux; solid waste circulation matching control logic: establishing an admission and substitution mechanism of gravitational dedusting ash and environmental dedusting ash; hydrothermal cooperative control logic: establishing a coupling regulation mechanism of temperature and moisture of the mixture; the ignition-sintering end point cooperative control logic is used for adjusting ignition parameters and the main fuel dosage in a linkage mode; according to return mine balance control logic, the sintering process is reversely diagnosed and adjusted through the physical state and flow feedback of return mines; and fuel and flux replacement control logic: executing accurate replacement calculation taking carbon balance or alkalinity conservation as a basic principle, and introducing a particle size or activity degree correction coefficient for optimization. The method is realized by a multi-process cooperative control system.

The utility model discloses a plastic woven bag production waste recovery device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a supporting plate, the top of the supporting plate is provided with a machine body, the top of the machine body is provided with a dustproof mechanism, the machine body is internally provided with a crushing mechanism, and a screening mechanism is arranged below the machine body. The utility model relates to the technical field of waste recovery. According to the waste recovery device for plastic woven bag production, through the arrangement of the screening assembly, screening operation is conducted on crushed plastic woven bag materials, the crushed materials which are completely crushed are filtered through a screening plate and conveyed into the recovery tank through a discharging pipe, secondary crushing operation is facilitated, and the waste recovery quality is improved; and under the driving of the driving motor, the screening plate slides in a reciprocating mode, so that the screening efficiency of the screening plate on the crushed materials is improved, and the condition that the crushed materials are accumulated in screening holes to cause blockage is avoided.

The automatic cutting machine comprises a rack, a plurality of clamping and rotating mechanisms are evenly distributed on the rack, and a chain plate conveying line used for feeding is arranged at the top of the rack; a servo grabbing mechanism used for carrying products is arranged between each clamping and rotating mechanism and the chain plate conveying line, and all the servo grabbing mechanisms are carried between the corresponding clamping and rotating mechanisms and the chain plate conveying line in a reciprocating mode through a carrying servo portal frame. According to the full-automatic injection molding machine, a full-automatic mode of a whole set of process flow from feeding to cutting to discharging of injection molding products is achieved, so that production and machining are more efficient and safer; modular design is adopted as a whole, and rapid replacement of tools and injection molding parts of different specifications is supported; the integrated waste recovery function is achieved, a dust blocking air cylinder is used for driving a baffle, waste scraps splashed during cutting are blocked, and then cutting waste recovery is achieved through negative pressure air suction.

The invention relates to the technical field of household garbage treatment, in particular to a rural household garbage classification and resourceful treatment circulation system, which comprises straw, harmful garbage, recyclable garbage, kitchen garbage, large household garbage and sludge; the rural household garbage treatment system comprises a household garbage classification system, a household garbage pyrolysis treatment system, a household garbage recycling treatment system, a harmful garbage recycling treatment system, a kitchen garbage recycling treatment system, a large household garbage classification recycling treatment system and a sludge recycling treatment system. By means of a centralized treatment mode of the rural domestic garbage, the problem that landfill of the rural domestic garbage is difficult is solved, corresponding economic value is brought to the rural area, the idea of waste utilization, circular economy, energy conservation and emission reduction is achieved, the rural environment is better, and the economic benefit of the rural area is improved. And a solid foundation is laid for creating a high-quality living environment in rural areas.

The invention discloses a method for preparing silicon carbide materials by using coal gasification slag, belonging to the field of solid waste recycling. The solution of the invention includes first pre-treating the coal gasification slag, then performing acid leaching, water washing, suction filtration and drying on the pre-treated coal gasification slag, and then performing Joule heating treatment. After calcination, silicon carbide is obtained; in the Joule heating treatment, the discharge voltage is set to 120V-150V, and the number of discharges is 1-5 times. By performing Joule heating treatment on the coal gasification slag, the reaction time of each Joule heating reaction is extremely short, greatly reducing the energy consumption, and sharply shortening the reaction time, solving the technical problem of high energy consumption caused by the long reaction time in the traditional carbothermal reduction for preparing silicon carbide materials in the prior art.