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94 results about "Urban waste" patented technology

An apparatus and method for resource utilization of municipal waste incineration slag

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.
Owner:SHANGHAI QINWANG ENVIRONMENTAL PROTECTION MATERIAL CO LTD

Urban garbage clearance scheduling method and system based on path optimization

The invention discloses an urban garbage collection and transportation scheduling method and system based on path optimization, and relates to the technical field of urban garbage collection and transportation and intelligent scheduling optimization, and the method comprises the steps: collecting multi-source original data, carrying out the standardization and time-space registration, and generating the structured observation data of vehicles, roads and collection and transportation points; constructing a dynamic garbage quantity prediction model according to the structured observation data, and predicting garbage increment and liquid level trend of each collection and transportation point; generating a task package and establishing a mapping relation based on a dynamic garbage quantity prediction model result in combination with road passage, vehicle load and time window constraints; and constructing a multi-target path optimization model on the basis of the mapping relation and the constraint, outputting an optimal driving path of the vehicle, and converting a path optimization result into a scheduling instruction. According to the method, the task package is generated on the basis of the dynamic garbage quantity prediction result in combination with road traffic, vehicle load and time window constraints, hierarchical matching of task targets and vehicle resources is achieved, and therefore the reasonability of task allocation and operation feasibility are improved.
Owner:ZHANGJIAKOU QIAOXI DISTRICT URBAN MANAGEMENT COMPREHENSIVE ADMINISTRATIVE LAW ENFORCEMENT BUREAU

Urban garbage classified collection and scheduling method based on Internet of Things

The invention discloses an urban garbage classified collection and scheduling method based on the Internet of Things, and relates to the technical field of urban garbage classified collection, and the method comprises the steps: deploying an intelligent garbage can with the filling rate and environmental parameter perception capability in each region of a city, and uploading the collected state data to an edge gateway of the region through a low-power wide area network; the edge gateway performs localized priority evaluation based on the received real-time state data of each intelligent garbage can in combination with the capacity information, the last clearance time and the attribute of the area where the intelligent garbage can is located, and generates a dynamic priority score of each garbage can; when the dynamic priority score of any dustbin exceeds a preset response threshold value, the edge gateway triggers an event reporting mechanism and sends a clearance alarm containing position and priority information to a regional dispatching center; and on the basis of receiving the clearance alarm, the regional dispatching center combines weather forecast, festival calendar and regional people flow density data to carry out trend prediction on the garbage cans which are not alarmed yet and have high filling risks.
Owner:NANCHANG QINGDING ENVIRONMENTAL ENGINEERING CO LTD

Urban garbage treatment station site selection method and device, electronic equipment and storage medium

The invention discloses an urban garbage treatment station site selection method and device, electronic equipment and a storage medium, and relates to the technical field of site selection. The method comprises the following steps: dividing a target city area into a plurality of grid areas; acquiring signaling data of each grid region, and estimating population distribution characteristic data; acquiring historical garbage clearance data and commercial interest point data, and processing to obtain garbage prediction data; obtaining road data, establishing a topological road network model, and performing traffic characteristic evaluation on the topological road network model to obtain traffic characteristic data; acquiring ecological data, and acquiring service coverage data of each garbage disposal station; based on the obtained data, obtaining a multi-dimensional evaluation result, and determining a plurality of preliminary site selection of the garbage disposal station; and determining a preset number of addresses from the plurality of preliminary addresses as a final address of the garbage disposal station of the target city. By implementing the technical scheme provided by the invention, the accuracy of site selection of the urban garbage treatment station can be improved.
Owner:ZUNFENG ENVIRONMENTAL PROTECTION TECH CO LTD

System and method for treating urban garbage based on smoldering technology

The invention discloses a system and a method for treating urban garbage based on a smoldering technology, and belongs to the technical field of urban garbage treatment. The urban garbage treatment system comprises a garbage pretreatment device; a gradient temperature control reaction bed is arranged in the center of the garbage incinerator, and gradient temperature control is achieved through air supply and water supply; the air supply device is used for conveying air to a reaction area in the garbage incinerator so as to control the proceeding degree of the smoldering reaction; a harmful flue gas incinerator; the water treatment device is arranged between the garbage incinerator and the harmful flue gas combustion furnace, after sewage generated by garbage smoldering is treated, one part of water returns into the garbage incinerator to be mixed with air to help control the temperature in the furnace, and the other part of water enters the harmful flue gas combustion furnace to be subjected to high-temperature treatment together with harmful flue gas so as to remove harmful components; the invention discloses a multi-stage gas purification device. By means of the device system, self-sustaining smoldering decomposition treatment of the municipal solid waste is achieved.
Owner:汾阳市能源局

Garbage recycling resource benefit dynamic evaluation method for urban steward

The invention relates to the technical field of urban garbage management, and discloses a garbage recycling resource benefit dynamic evaluation method for urban large housekeepers. The method comprises the following steps: receiving real-time sensor data of a plurality of garbage collection points, determining garbage type distribution and processing priorities by using a preset garbage classification model, and dynamically generating a resource allocation strategy which comprises recycling vehicle path planning and processing equipment scheduling instructions. And predicting a garbage increment trend through a preset spatial-temporal distribution model, adjusting resource allocation strategy parameters, updating a processing priority through an iterative optimization algorithm, and outputting a resource scheduling scheme. According to the method, the condition of a recycling point can be accurately mastered in real time, accurate garbage classification and efficient resource allocation are achieved, garbage increment can be predicted, emergencies can be dealt with, garbage recycling resource benefits are effectively improved, urban garbage management work is optimized, and urban sustainable development is promoted.
Owner:SHANGHAI BOLI INTELLIGENT TECH CO LTD

Efficient pollution-free treatment method for municipal waste incineration fly ash

The invention discloses an efficient pollution-free treatment method for municipal waste incineration fly ash, and relates to the technical field of waste resource utilization and environmental protection. Comprising the following steps: S1, adding the garbage fly ash into a hydrochloric acid solution, carrying out wet grinding, and carrying out centrifugal separation to obtain heavy metal filtrate and heavy metal-removed fly ash; washing the heavy metal-removed fly ash with clear water to obtain a washing solution; mixing the washing liquid with the heavy metal filtrate to obtain a heavy metal solution; s2, adding a complexing agent into the heavy metal solution, stirring and mixing, standing overnight, performing centrifugal separation to obtain a heavy metal removal solution and a heavy metal complex, and adjusting the pH value of the heavy metal removal solution to be neutral to complete heavy metal removal treatment; s3, uniformly mixing the washed heavy metal-removed fly ash and a catalyst, performing low-temperature pyrolysis treatment, sieving and separating to obtain dioxin-removed fly ash, and completing dioxin removal treatment; and S4, the heavy metal removal solution and the heavy metal complex are treated, and garbage fly ash treatment is completed.
Owner:NANTONG LEER ENVIRONMENTAL TECH CO LTD

Dynamic adjustment method and system for urban garbage points

The invention relates to a dynamic adjustment method and system for urban garbage points. The method comprises the steps of obtaining state data of each junk point based on a current junk point distribution condition, and performing feature analysis on the state data of each junk point to obtain state data features; classifying the state data features of each junk point according to different time levels to obtain state data feature sets corresponding to the different time levels, and performing trend analysis on the state data feature sets to obtain a short-term fluctuation trend and a long-term change trend corresponding to each junk point; combining the short-term fluctuation trend and the long-term change trend corresponding to each garbage point to obtain a throwing prediction result of each garbage point in a future time period; and according to the throwing prediction result of each garbage point, the positions, the number and the clearance frequency of the garbage points in the current garbage point distribution condition are adjusted to obtain an adjusted garbage point distribution condition. By adopting the method, the garbage points can be efficiently and dynamically adjusted.
Owner:SHENZHEN YUENENG ENVIRONMENTAL PROTECTION TECH CO LTD

Garbage truck scheduling method and system for garbage treatment plant

The invention relates to the technical field of vehicle scheduling management, and discloses a garbage clearance vehicle scheduling method and system for a garbage treatment plant, and the system comprises an urban garbage clearance evaluation module, an urban garbage clearance vehicle matching module, and an urban garbage clearance vehicle scheduling module. Based on an intelligent search algorithm and numerical analysis science, the overall density, the overall volume information and the overall quality information of garbage clearance at the urban garbage station are measured and calculated, and garbage clearance trucks are scientifically and intelligently dispatched based on real-time spatial feature information of garbage at the urban garbage station. Based on garbage collection volume and mass information of the urban garbage station, an artificial intelligence algorithm and set different garbage collection characteristics are combined with the specification and model information of the urban garbage collection vehicle, and the specification and model of the optimal garbage collection vehicle required by the urban garbage station are accurately selected. The intelligent matching of the garbage truck based on the real garbage characteristics of the urban garbage station is realized, and the scientificity and accuracy of the scheduling of the garbage truck are improved.
Owner:HUAYANG HONGTONG (BEIJING) NEW ENERGY ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Urban garbage collection structure

The utility model discloses a kind of urban garbage collection structures of cleaning and transport, it includes frame, the outer surface of the frame is provided with sorting component, the sorting component includes multiple thread rollers, the rotation of multiple thread rollers pushes garbage along specified path, this urban garbage collection structure of cleaning and transport, by setting washing component, clean water is transported, the end synchronous pulley of a thread roller is rotated by synchronous belt drive a rotating rod, the end synchronous pulley of a rotating rod is rotated by synchronous belt drive another rotating rod, multiple rotating rods can be made synchronous rotation, each rotating rod is rotated by bevel gear set drive adjacent shower head, the outer surface synchronous pulley of a shower head is rotated by synchronous belt drive another shower head, multiple shower heads can be made synchronous rotation, start water pump, clean water is pumped from water storage tank, transported to conveying frame, to be transported to shower head, the application has the effect of cleaning garbage before sorting robot sorting.
Owner:JIAXING JINGYUE ENVIRONMENTAL TECH CO LTD

Sieve star with cleaning element

Sieve star for a sieving device for sieving a material such as municipal waste, wood chips or soil-covered crops, comprising the sieve star: 1.1 a hub (4) that defines an axis of rotation (R) of the sieve star (3), 1.2 Several elastically compliant fingers (5) made of plastic or rubber are distributed around the axis of rotation (R), projecting from a foot area (6) near the hub (4) to a free peripheral end (7), with at least one of the fingers (5) serving as a cleaning finger (5), and 1.3 a cleaning element (10; 20; 30; 40; 50) detachably attached to the cleaning finger (5) made of a material that is harder than the plastic or rubber of the fingers (5), wherein 1.4 the cleaning element (10; 20; 30; 40; 50) can be optionally attached to the cleaning finger (5) in a first and a second orientation, 1.5 the cleaning element (10; 20; 30; 40; 50) has a first cleaning geometry (11; 21; 31; 41; 51) and a second cleaning geometry (12; 22; 32; 42; 52), 1.6 In the first orientation, the first cleaning geometry (11; 21; 31; 41; 51) and in the second orientation, the second cleaning geometry (12; 22; 32; 42; 52) take an active position, while the other cleaning geometry takes a passive position. 1.7 the cleaning geometry (11, 12; 21, 22; 31, 32; 41, 42; 51, 52) in the active position points in the direction of rotation (D) of the sieve star (3) and / or radially outwards, and 1.8 the cleaning geometry of the hub (4) in the passive position is radially closer than the cleaning geometry (11, 12; 21, 22; 31, 32; 41, 42; 51, 52) in the active position and / or points against the direction of rotation (D) of the sieve star (3).
Owner:GUNTHER HLDG GMBH & CO

Process for fly ash innocuous treatment

The application belongs to the technical field of solid waste treatment, and discloses a fly ash harmless treatment process, which comprises the following steps: pretreating fly ash, mixing fly ash slurry and a citric acid solution, adding CaO for sufficient grinding, feeding the ground material into a drying equipment for drying and dewatering, adding Ca(OH)2 for sufficient grinding, and adding a solidifying agent to obtain stable harmless fly ash solidifying products. The application utilizes anhydrous citric acid to degrade dioxins and Cl in municipal waste incineration fly ash under specific mechanical equipment. Under the action of mechanical energy, the dioxins and Cl flow at high speed in an irregular manner, collide with each other, form mechanical disturbance effects and chemical effects, and achieve the effect of degrading and removing harmful and toxic substances in fly ash. The application utilizes mechanical equipment to perform harmless treatment on fly ash, and has the advantages of high efficiency, short reaction time, no sewage, no smoke, no dust, no waste gas discharge, and no carbon emission.
Owner:CHUANGZHIXIN (SHANGHAI) ENVIRONMENTAL PROTECTION TECH CO LTD

Intelligent solid waste environment-friendly treatment system and method

The invention relates to the technical field of environment-friendly treatment, and particularly discloses an intelligent solid waste environment-friendly treatment system and method.According to the intelligent solid waste environment-friendly treatment system and method, municipal waste is subjected to landfill, leachate generated in the biodegradation process of the municipal waste is collected, and meanwhile key state parameters such as the pH value of the leachate and landfill gas components in the degradation process are monitored in real time; a deep learning algorithm is introduced to carry out sequential evolution mode analysis on multi-dimensional key state parameters in the degradation process, meanwhile, the current biodegradation reaction stage is self-adaptively recognized in combination with the current reacted time, and then an adaptive recharge leachate target pH value is determined based on the recognition result of the reaction stage. And adjusting the pH value of the collected leachate according to the pH value of the collected leachate, and recharging the adjusted leachate into the landfill area to dynamically adjust the pH value environment of the leachate. According to the method, the optimal biochemical environment can be provided for microbial flora in different stages through intelligent sensing and staged regulation and control of the garbage degradation process, so that the garbage degradation efficiency and the gas production rate are improved.
Owner:郑州洁普智能环保技术有限公司

Efficient and durable municipal waste incineration conveying chain

The utility model discloses an efficient and durable municipal waste incineration conveying chain, which relates to the technical field of conveying chains, and comprises outer chain sheets, middle chain sheets, pin shafts, stainless steel wear-resistant sleeves, mounting plates and assembling screw grooves, the outer walls of the middle chain sheets are provided with splicing screw grooves, the outer walls of the mounting plates are provided with splicing screw rods, and the splicing screw rods are connected with the pin shafts. A matching groove is formed in the outer wall of the outer chain piece, an assembling screw groove is formed in the outer wall of the stainless steel wear-resisting sleeve, an operation groove is formed in the outer wall of the middle chain piece, a threaded plate is installed on the inner wall of the operation groove, and an assembling screw is installed on the inner wall of the threaded plate. By installing the performance mechanism, firstly, the stainless steel wear-resisting sleeve is moved into the connecting hole, one end of the assembling screw rod is moved into the assembling screw groove, then one end of the stainless steel wear-resisting sleeve is fixed, and then the other end of the stainless steel wear-resisting sleeve is fixed into the splicing screw groove through the splicing screw rod, so that the high temperature resistance of the chain is improved through the stainless steel wear-resisting sleeve, and the service life of the chain is prolonged. And thermal creep is reduced, and the service life is prolonged.
Owner:浙江安驰机械有限公司

A smart city garbage disposal equipment management method and an internet of things system

The embodiment of the present specification provides a smart city garbage treatment equipment management method and an Internet of Things system. The method is executed based on a management platform of a smart city garbage treatment equipment management Internet of Things system. The method comprises the following steps: acquiring a garbage accumulation condition in a target area; determining at least one sub-area in the target area as at least one garbage point to be treated based on the garbage accumulation condition; and determining a garbage truck scheduling scheme of the target area based on the at least one garbage point to be treated. The garbage truck scheduling scheme comprises the type of at least one garbage truck to be scheduled and the departure time of the at least one garbage truck.
Owner:CHENGDU QINCHUAN IOT TECH CO LTD

Garbage truck intelligent scheduling method and system based on reinforcement learning

This invention discloses a method and system for intelligent scheduling of garbage trucks based on reinforcement learning, specifically relating to the field of intelligent scheduling technology. The method involves acquiring urban garbage collection road network topology, historical garbage production spatiotemporal distribution data, and garbage truck trajectory data; calculating the negative coupling coefficient of each intersection segment to the scheduling strategy of adjacent routes to form a negative coupling matrix; performing spectral clustering on the negative coupling matrix to divide the coupling-sensitive subgraph and extracting a set of key intersection segments; inputting the set of key intersection segments and historical garbage production spatiotemporal distribution data into a multi-agent reinforcement learning framework to construct a scheduling strategy model and output initial strategy parameters; generating a collaborative scheduling scheme based on the initial strategy parameters in a simulation environment and incrementally correcting the initial strategy parameters to obtain a converged scheduling strategy; determining the garbage truck departure time and travel path based on the converged scheduling strategy and writing it back to the route interaction graph for iterative optimization.
Owner:HUBEI YUNHANG SPECIAL PURPOSE VEHICLE CO LTD

Novel triple co-generation system cooperatively driven by terrestrial heat and municipal waste

The invention discloses a novel triple co-generation system cooperatively driven by terrestrial heat and urban garbage. The novel triple co-generation system comprises a waste treatment unit, a thermodynamic cycle unit, an absorption type refrigeration unit, a terrestrial heat utilization unit, a seawater desalination unit and a system coupling structure. The system creatively integrates natural gas, garbage marsh gas and geothermal energy, anaerobic digestion is performed on household garbage through the waste treatment unit to produce marsh gas, and the marsh gas and the natural gas form dual-fuel driving; the thermodynamic cycle unit realizes four-stage gradient utilization of flue gas waste heat; the terrestrial heat utilization unit adopts two-stage flash evaporation, ORC and OFC cascade power generation, and tail liquid is fully recharged; the absorption refrigeration unit improves the refrigeration efficiency through two-stage pressure reduction; and the seawater desalination unit is coupled with geothermal waste heat to realize coordination of power generation, refrigeration, desalination and heating. According to the system, through multi-energy complementation, gradient utilization and environment-friendly closed-loop design, the resource utilization rate and the energy efficiency are remarkably improved, pollutant emission is reduced, and a low-carbon solution is provided for regional energy supply.
Owner:爨璋瑜

Combined type municipal waste and industrial solid waste co-gasification device

The invention discloses a combined type municipal waste and industrial solid waste co-gasification device, relates to the technical field of energy and chemical industry, and solves the problems that enough time is needed to control the temperature due to manual material changing, and continuous purging and heating operation cannot be realized. The device comprises a purging system, a reaction system, a feeding system and a gas supply system, the purging system purges a reaction material by using carrier gas, monitoring is performed through an outlet gas analyzer, and when the gas concentration is consistent with the carrier gas concentration, the material is conveyed to the reaction system; a reaction system is provided with a gas analyzer and a temperature sensor, carrier gas and water vapor are introduced, materials enter a reactor for reaction after the temperature reaches the standard, the reaction is complete when the gas concentration is the same as the carrier gas concentration, and residues are discharged through a feeding system. According to the co-gasification device designed by the invention, continuous feeding, synchronous purging and reaction can be realized under the condition of air isolation, the temperature of the reactor is kept stable, the experimental error is reduced, and the experimental efficiency is effectively improved.
Owner:HARBIN INST OF TECH

Construction structure of large pipe shed for advanced support of tunnel body passing through urban waste residue body

This utility model discloses a construction structure for a large-pipe shed for advance support of a tunnel body passing under urban waste disposal sites. It includes the current construction section of the tunnel, where the surface is a waste disposal soil layer and both sides are hard rock layers. Multiple rings of large-pipe sheds are arranged along the tunnel excavation direction, with each ring overlapping the previous one. An enlarged excavation section, shaped like a trumpet, is arranged in front of the overlapping section. Multiple arch frames are erected within the enlarged excavation section, with each subsequent arch frame designed to be higher than the previous one. An excavation section is arranged on the overlapping section, with two steel frames erected on it as guide frames. The two steel frames are arranged at intervals, with the height of the first steel frame lower than the final arch frame in the enlarged excavation section. A height space is reserved between the final arch frame and the first steel frame, and the entire ring of large-pipe sheds is installed circumferentially within this height space. This invention effectively ensures the drilling space for large pipe sheds and reduces disturbance to large-volume waste materials, existing pipelines and structures.
Owner:中铁隧道集团一处有限公司 +3

Clearing and transporting device for urban garbage

The utility model discloses a clearing and transporting device for urban garbage, and particularly relates to the technical field of garbage clearing and transporting, which comprises a clearing and transporting carriage, a flip box door is arranged on one side of the upper end of the clearing and transporting carriage, a rotary discharging door is arranged on one side of the outer end face of the clearing and transporting carriage, and a limiting convex plate is arranged on one side of the lower end of the clearing and transporting carriage. A supporting connecting rod, a first motor and a second motor are arranged on the outer end face of the clearing carriage. In actual use, under the corresponding arrangement state of the reinforcing connecting block, the limiting protruding plate, the rotary locking piece, the electric telescopic rod and the supporting connecting rod, the rotary discharging door can be conveniently turned over and opened, meanwhile, the rotary locking piece can conveniently lock the rotary discharging door, and therefore the sealing performance of closing of the rotary discharging door is guaranteed, and the service life of the rotary discharging door is prolonged. And meanwhile, in the corresponding arrangement state of the garbage conveying belt, the rotating roller shaft, the discharging scraping plate, the adaptive sliding block, the adaptive sliding groove and the cleaning brush roller, the discharging scraping plate can be driven to move through the garbage conveying belt.
Owner:SHAANXI LUSHUI GAOJIE ENVIRONMENTAL ENGINEERING CO LTD

Urban garbage incremental learning detection method and system supporting detection of unknown classes

The application provides a kind of urban garbage incremental learning detection method and system supporting detection unknown class, on the basis of Faster-RCNN detection model, optimization feature extraction and feature utilization, including setting pyramid feature structure to obtain multi-scale features, making channel attention correction to features, by highlighting the key areas of image features, suppresses unobvious features, obtains garbage detection base model;On the basis of garbage detection base model, a sustainable incremental registration learning model is established;On the basis of sustainable incremental registration learning model, set up network structure supporting detection unknown class, to stably identify unknown class of urban garbage;Support unknown output results as supplement, incremental registration learning is carried out, closed loop is realized.The application improves detection accuracy;Realize model sustainable registration incremental learning, use new data to register new detection class, without touching old data while not producing knowledge forgetting;Unknown class can be detected, and effective detection is output for the class that does not exist in training data.
Owner:WUHAN UNIV

Garbage solid-liquid separation monitoring system based on environmental protection technology

The invention relates to the technical field of garbage recycling monitoring, in particular to a garbage solid-liquid separation monitoring system based on an environmental protection technology, which comprises a data acquisition module, a route garbage state analysis module, a garbage leachate deposition state analysis module, a storage box blockage risk assessment module, a storage box blockage risk early warning module and a control module, the route garbage state analysis module is used for receiving the garbage collection route data collected by the data collection module and analyzing the garbage collection load state of garbage collection equipment; the landfill leachate deposition state analysis module is used for receiving the landfill leachate storage data acquired by the data acquisition module and analyzing the deposition state of the landfill leachate in the garbage recycling process; the storage box blockage risk assessment module is used for constructing a storage box blockage risk assessment model and assessing the blockage risk of the landfill leachate storage box in the garbage recycling process; normal operation of garbage recycling equipment is guaranteed, and efficient recycling and treatment of urban garbage are achieved.
Owner:JIANGXI YAMAGATA ENVIRONMENTAL PROTECTION ENERGY GRP CO LTD

Method for inhibiting toxic and harmful gas in leachate pool of urban garbage dump

The invention relates to a method for inhibiting toxic and harmful gas in a leachate pool of an urban garbage dump. The method comprises the steps of three-dimensional closed system construction, precise spraying adsorption system configuration and flexible operation and maintenance of an auxiliary system. According to the invention, gas diffusion is blocked through the three-dimensional sealing cover, and a high-pressure micro-mist spraying technology is combined, so that micron-sized adsorbent mist is in full contact with harmful gas, the adsorbent has high-efficiency adsorption capacity on multi-component gases such as hydrogen sulfide and carbon monoxide, the concentration of the harmful gas in a sealed space is greatly reduced, and the removal efficiency can reach 90% or above; the selected composite adsorbent takes modified zeolite as a core component, harmless treatment or recycling can be performed after adsorption saturation, and no new pollutants are generated; meanwhile, the closed system avoids direct contact between the adsorbent and the external environment, and overcomes the defects that in the prior art, the treatment efficiency of poisonous and harmful gas in the percolate pool of the urban garbage dump is low, the poisonous and harmful gas is easy to diffuse, and secondary pollution is possibly generated.
Owner:INNER MONGOLIA LINGLINGQI TECHNOLOGY CO LTD

Method for strengthening extraction of valuable metals in municipal waste incineration slag

The invention discloses a method for strengthening extraction of valuable metals in municipal waste incineration slag, and belongs to the technical field of solid waste resource utilization. The method comprises the following steps: carrying out first-stage acid leaching on the municipal waste incineration residues to obtain first-stage leachate containing zinc and copper and leaching residues; the leaching residues and alkaline sodium salt are mixed for alkaline roasting, and an alkaline roasting product is obtained; and the alkaline roasting product is subjected to second-stage acid leaching, and second-stage leaching liquid containing zinc is obtained. According to the method, the recovery rate of valuable metals such as copper and zinc in the incineration slag can be remarkably increased, the process is simple, the cost is low, large-scale use is facilitated, and the technical problem that the extraction efficiency of the metals such as copper and zinc in the municipal waste incineration slag is low is solved.
Owner:ZHENGZHOU UNIV

A device for improving clay soil using municipal waste and a method of using the same

The application relates to the technical field of soil improvement, and discloses a device for improving clay soil by using urban waste and a use method thereof, which comprises a stirring box body and a discharging box arranged above the stirring box body. A crushing part for crushing and humidifying the urban waste is arranged in the discharging box. A first motor for driving the crushing part and a water storage tank for humidifying the urban waste are arranged on the outer wall of the discharging box. An extrusion base is arranged in the stirring box body, and a stirring part for mixing the crushed materials is arranged on the extrusion base. The first motor drives the second gear to rotate, and drives the surrounding first gears to rotate together. Since the first gears are coaxially fixed with the second rotating shafts, the second rotating shafts are driven to rotate together, and the eccentric crushing blocks are driven to rotate together. The urban waste to be crushed is put into the discharging box, and the originally large urban waste is crushed.
Owner:BEJING SUNSHINE LANDSCAPE CO LTD

Shared bicycle scheduling variable VRP search method based on deep reinforcement learning driving

The invention discloses a shared bicycle scheduling variable VRP search method based on deep reinforcement learning driving, and the method comprises the following steps: S1, constructing a variable VRP mathematical model considering space-time resource constraints, constraint conditions met by the variable VRP mathematical model comprise one or more of a traffic volume variable constraint, a flow conservation constraint, a vehicle load limit and a time cost coupling constraint of driving time and operation time; s2, constructing a deep reinforcement learning interaction environment based on an ALNS; s3, a Double DQN intelligent agent is built and trained; s4, executing online topology-traffic volume nested search by adopting a double-layer nested search strategy; and S5, introducing a constraint penalty term into the target function, and executing softening and processing of multiple complex constraints. The method has excellent generalization performance, can be directly expanded and applied to various logistics scenes such as express terminal distribution, material emergency dispatching and urban garbage recycling, and has wide industrial application prospects.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

A co2-cured industrial solid waste-based slurry for mine filling

PendingCN122355666AAluminiteSlag
This invention relates to the field of mine backfilling applications, specifically to a CO2-solidified industrial solid waste-based slurry for mine backfilling, comprising the following raw materials in parts by weight: 85-105 parts solidifying agent, 15-22 parts sludge, 3-5 parts construction waste particles, 5-10 parts amine-functionalized porous material, 1.2-2.4 parts municipal solid waste particles, 0.5-2.5 parts rheology modifier, 0.1-0.5 parts setting regulator, and 0.1-0.5 parts defoamer; the solidifying agent, by weight percentage, includes 25-35 parts ettringite, 2-12 parts yellow phosphorus slag, 3-8 parts phosphogypsum, 4-16 parts modified fly ash, 3-10 parts desulfurized gypsum, 2-5 parts steel slag, and 3-5 parts tailings. By optimizing the solid waste combination and activation process, the slurry can actively adsorb / mineralize CO2 during the backfilling and solidification process, achieving the dual goals of increasing the strength of the backfill and reducing carbon emissions.
Owner:贵州绿色产业技术研究院

Methane production system, power generation apparatus using methane production system, subcritical water reaction treatment apparatus used in methane production system, methane production method, and power generation method using methane production system

The present invention makes it possible to obtain, from one or more forms of organic waste (hereinafter referred to as a subject organic waste) obtained by removing wood waste from organic waste materials encompassing animal feces, urban waste, agricultural or fishery residue, organic building waste in building materials, and organic sludge, a torrefied material having a higher energy and a higher yield than those of the subject organic waste as the feedstock, thereby producing a high-energy, high-yield organic waste biogas. The present invention is provided with a subcritical water reaction treatment apparatus, an organic waste biopellet production apparatus, and an organic waste biogasification reactor. In the subcritical water reaction treatment apparatus, part of a solidified low-molecular organic waste biomaterial derived from the subject organic waste bonds to another low-molecular organic waste biomaterial to form a torrefied organic waste biomaterial. The organic waste biopellet production apparatus produces organic waste biopellets from the torrefied organic waste biomaterial, and the organic waste biogasification reactor produces methane.
Owner:GAS WATER CO LTD

Urban garbage classification device based on visual identification

The urban garbage classification device comprises a shell, a rotating mechanism, a garbage detection mechanism and a plurality of garbage cans, the rotating mechanism, the garbage detection mechanism and the garbage cans are arranged in the shell, the garbage detection mechanism comprises a storage barrel, a camera and a switch assembly, and the garbage detection mechanism is fixedly connected with the top of the shell; a through hole is formed in the top of the shell, the rotating mechanism comprises a rotating motor and a rotating platform, the rotating motor is fixedly arranged at the bottom of the shell, and the rotating platform is arranged above the rotating motor and is in transmission connection with a rotating shaft of the rotating motor. The urban garbage classification device is provided with the garbage detection mechanism, the garbage detection mechanism detects the type of garbage in the storage cylinder through the camera, then the rotating platform is controlled to rotate, the garbage can of the corresponding type is moved to the position below the storage cylinder, then the switch assembly is controlled to work, the bottom of the storage cylinder is opened, and the garbage in the storage cylinder falls into the garbage can; the structure is simple.
Owner:ZHONGSHAN CUIHENG URBAN RESOURCES MANAGEMENT CO LTD

Path optimization and comprehensive scheduling method, system and equipment for classified transportation of urban garbage, and storage medium

The invention discloses a path optimization and comprehensive scheduling method, system and device for classified transportation of urban garbage and a storage medium, and relates to the technical field of urban garbage treatment and intelligent scheduling, and the method comprises the steps: collecting basic geography and operation parameters, and vehicle and facility attributes to construct a comprehensive data table; generating an optimal traversal path covering collection points for each garbage type, and dividing the optimal traversal path into sub-paths according to vehicle load; the sub-paths are bound with the special vehicle, and the total transportation cost is calculated; a transfer station site selection decision is introduced, a secondary transportation network is planned, and cost and energy efficiency are optimized in combination with a time window and carbon emission constraint; an optimization result is converted into an instruction and a chart to be delivered to an operator, and transportation path optimization and scheduling are completed; according to the invention, the operation cost and carbon emission of garbage collection and transportation can be obviously reduced, the transportation efficiency and the service timeliness are improved by optimizing the vehicle collaborative scheduling and transfer station layout, and the double improvement of economic and environmental protection benefits is realized.
Owner:GUIZHOU POWER GRID CO LTD